Adapters, connection components and ventricular assist systems

Abstract

The present application relates to an adapter, a connection assembly and a ventricular assist system. The adapter includes a shell, a circuit board and a cable assembly. The shell is provided with a receiving cavity and two connection ends located on the shell, and both of the connection ends can be connected to a connector; the circuit board is arranged in the receiving cavity of the shell, and the circuit board includes two side plates spaced apart from each other, and the two side plates correspond to the two connection ends respectively, and can be electrically connected to the connector connected to the connection ends; the cable assembly is fixedly connected to the shell, and the cable assembly includes a connecting wire, and the connecting wire is electrically connected to the circuit board. The adapter of the present application has a high signal transmission performance, can improve the operating stability of the ventricular assist system, and thus improve the reliability of the operation of the ventricular assist system.

Description

Technical Field

[0001] The present application relates to the field of medical device technology, and in particular to an adapter, a connection assembly and a ventricular assist system. Background Art

[0002] In a ventricular assist system, in order to simultaneously control the operation of multiple ventricular assist devices, the controller of the ventricular assist system needs to be connected to multiple ventricular assist devices through an adapter. The traditional adapter is electrically connected to the connector of the ventricular assist device through a connecting wire to achieve the conduction of the control circuit. However, the signal transmission performance of this connection method is poor, which makes the operation stability of the ventricular assist system poor. Summary of the invention

[0003] Based on this, the present application provides an adapter, a connection assembly and a ventricular assist system, aiming to improve the signal transmission performance of the adapter, so as to improve the operating stability of the ventricular assist system, and thereby improve the reliability of the operation of the ventricular assist system.

[0004] In one embodiment, the adapter of the present application includes a housing, a circuit board and a cable assembly. The housing is provided with a receiving cavity and two connecting ends located on the housing, and both connecting ends can be connected to a connector; the circuit board is arranged in the receiving cavity of the housing, and the circuit board includes two side plates spaced apart from each other, and the two side plates correspond to the two connecting ends respectively and can be electrically connected to the connector connected to the connecting ends; the cable assembly is fixedly connected to the housing, and the cable assembly includes a connecting wire, and the connecting wire is electrically connected to the circuit board.

[0005] In one of the embodiments, the two connection ends are respectively arranged on opposite sides of the shell, and the arrangement direction of the two connection ends is recorded as the transverse direction of the shell, and the two side plates of the circuit board are arranged along the transverse direction of the shell; the circuit board also includes an inner plate body, which is located between the two side plates to be arranged with intervals with the two side plates along the transverse direction, and the inner plate body is electrically connected to the two side plates.

[0006] In one embodiment, the inner plate body has a first end portion and a first side portion and a second side portion located on both sides of the first end portion; one of the side plates has a first connecting portion corresponding to the first side portion, and the other side plate has a second connecting portion corresponding to the second side portion; the circuit board further includes at least one of a first connecting plate body and a second connecting plate body; wherein the first connecting plate body connects the first side portion and the first connecting portion, and the first connecting plate body is configured to be arc-shaped and convex outward relative to the spacing area between the inner plate body and the side plate body;

[0007] The second connecting plate body connects the second side portion and the second connecting portion. The second connecting plate body is configured to be arc-shaped and convex outward relative to the spacing area between the inner plate body and the side plate body.

[0008] In one of the embodiments, the arrangement direction of the two connecting ends is recorded as the transverse direction of the shell, and the direction perpendicular to the transverse direction is recorded as the longitudinal direction of the shell; the shell includes a bottom shell and a shell cover arranged along the longitudinal direction, the bottom shell has a first accommodating groove, the shell cover has a second accommodating groove, and the shell cover and the bottom shell are connected so that the first accommodating groove and the second accommodating groove enclose the accommodating cavity.

[0009] In one embodiment, the cable assembly is fixedly connected to the bottom shell, the connecting wire of the cable assembly passes through the bottom shell and extends into the receiving cavity, the circuit board has a first end and a second end opposite to each other, the first end is received in the first receiving groove of the bottom shell, the second end is provided with a plurality of wiring parts, and the wiring parts are electrically connected to the connecting wire;

[0010] And / or, the cable assembly has an outlet end for the connecting line to pass through, the outlet end extends along the longitudinal direction of the shell, the bottom shell has a bottom surface and side surfaces located on opposite sides of the bottom surface, wherein the plane passing through the longitudinal axis and the transverse axis of the shell is recorded as the first plane, and the plane tangent to the side surface of the bottom shell is recorded as the second plane, the second plane is parallel to the first plane, and the outlet end is connected to the side surface and is located between the second plane and the first plane.

[0011] In one embodiment, the adapter further includes an insulating avoidance member, which is arranged on the outer periphery of the circuit board, and the insulating avoidance member separates the circuit board and the inner wall surface of the shell; and / or, the connection end is provided with a plug interface, the opening periphery of the plug interface is spaced apart from the side plate body by a first spacing so that the connector can be inserted and electrically connected to the side plate body, and the inner wall surface of the plug interface is provided with a snap-fitting portion, which can be snap-fitted with a matching portion provided on the connector.

[0012] In one embodiment, the adapter further includes at least one of the following four features:

[0013] The shell is configured to be cylindrical or spherical;

[0014] The diameter of the shell gradually decreases from the middle to the two ends;

[0015] The side plate body of the circuit board is provided with a plurality of insertion holes, so that the conductive pins of the connector can be inserted therein for electrical connection;

[0016] A fixing glue is arranged in the receiving cavity of the shell, and the fixing glue at least wraps a part of the circuit board, wherein a part of the fixing glue is filled between the circuit board and the inner wall surface of the shell, and another part of the fixing glue is filled in the spacing area between the two side plates of the circuit board.

[0017] In one embodiment, the inner wall surface of the housing is provided with an insulating protective film. Optionally, the connection end is provided with an insertion port for the connector to be inserted; the inner wall surface of the housing is also provided with an annular groove, the annular groove is adjacent to the insertion port and separates the insulating protective film from the inner wall surface of the insertion port, so that the inner wall surface of the insertion port is not covered by the insulating protective film.

[0018] The present application also provides a connection component, which includes an adapter and two connectors; the adapter refers to any one of the above-mentioned embodiments; the two connectors can be respectively connected to the two connection ends of the adapter to respectively electrically connect with the side plate body of the circuit board in the adapter.

[0019] In one embodiment, the connector includes a socket assembly, which is fixedly connected to the connecting end of the adapter and electrically connected to a side plate body of the circuit board located inside the connecting end, and the socket assembly can be connected to a plug assembly.

[0020] In one embodiment, the connector further comprises the plug assembly and the locking sleeve; wherein the plug assembly is connected to the socket assembly on the connecting end; the locking sleeve connects the socket assembly and the plug assembly; the socket assembly comprises a conductive seat and a shell arranged on the outer periphery of the conductive seat, the conductive seat can be inserted into the connecting end and electrically connected to the side plate body of the circuit board, the conductive seat is provided with a connecting hole, and the connecting hole can be inserted and matched with the plug assembly; the shell comprises an inserting section and a connecting section, the inserting section can be inserted into the connecting end along with the conductive seat to be fixedly connected to the shell; the connecting section can be provided with a ring sleeve of the locking sleeve.

[0021] In one of the embodiments, a mating portion is provided on the outer peripheral surface of the plug-in section, and the mating portion can be engaged with a snap-fit ​​portion provided in the connecting end; and / or, the conductive seat is also provided with a conductive pin, and the conductive pin has an inner end located in the connecting hole, and an outer end located outside the connecting hole, the outer end of the conductive pin can be connected to the side plate body of the circuit board, and the inner end of the conductive pin can be inserted and connected with the plug assembly.

[0022] In one embodiment, the connecting end of the connector has a first end face; the outer peripheral surface of the shell is provided with an annular protrusion, and the annular protrusion divides the shell into the plug-in section and the connecting section; the annular protrusion has a first annular surface and a second annular surface, the first annular surface is against the first end face of the connecting end, and the second annular surface is opposite to the first annular surface; the locking sleeve has a fourth end face opposite to the second annular surface, and the locking sleeve can be looped on the connecting section so that the fourth end face is against the second annular surface.

[0023] In one embodiment, the second annular surface is provided with a plurality of grooves, and the plurality of grooves are arranged along the circumference of the second annular surface; the inner wall surface of the locking sleeve and the connecting section are provided with mutually matching threads, and the fourth end surface of the locking sleeve is provided with a positioning protrusion, and the locking sleeve can be spirally approached toward the annular protrusion on the connecting section, so that the positioning protrusion is correspondingly engaged with one of the grooves.

[0024] In one embodiment, the slot has a concave arc surface; a raised portion is formed between two adjacent slots, the raised portion has a convex arc surface, and both sides of the convex arc surface are smoothly connected with the concave arc surfaces of the two adjacent slots.

[0025] In one of the embodiments, the conductive seat of the socket assembly has a second end face located at the periphery of the opening of the connecting hole; the plug assembly includes a plug connector, a sealing ring and an inner connecting sleeve; one end of the plug connector is fixedly connected to the inner connecting sleeve, and the other end can be inserted and matched with the connecting hole; an annular groove is provided on the outer peripheral surface of the plug connector, and the annular groove has a first groove side surface opposite to the second end face, the sealing ring is arranged in the annular groove, and the two side surfaces of the sealing ring are respectively abutted against the first groove side surface and the second end face.

[0026] In one of the embodiments, an inner wall surface of the shell of the socket assembly is provided with an engaging groove, the engaging groove is located on the inner wall surface of the connecting section, and the engaging groove has an annular groove surface radially opposite to the annular groove; the plug assembly also includes an external connecting sleeve, the external connecting sleeve has a main body and an extension portion, the main body is sleeved on the outer periphery of the internal connecting sleeve, the extension portion is sleeved on the outer periphery of the plug connector and covers the sealing ring; the extension portion has a first surface and a second surface, the first surface is opposite to the bottom surface of the annular groove and abuts against the sealing ring; the second surface abuts against the annular groove surface.

[0027] In one embodiment, the inner connecting sleeve has a sleeve portion that is looped around one end of the plug connector; the outer connecting sleeve also has an extrusion portion that is connected to the extension portion and protrudes outward relatively, and the extrusion portion is located at the outer periphery of the sleeve portion; the locking sleeve is looped around the outer connecting sleeve, and the locking sleeve has a receiving groove for accommodating the extrusion portion; wherein the extrusion portion has a first table surface, a second table surface and a third table surface; the first table surface is opposite to and abuts against the third end surface located on the outer shell of the socket assembly; the second table surface is opposite to the first table surface, and the third table surface connects the first table surface and the second table surface; the receiving groove has a first groove wall and a second groove wall, the first groove wall abuts against the second table surface, the second groove wall is looped around the third table surface, and the second groove wall is provided with a capacity expansion groove.

[0028] In one embodiment, the inner wall surface of the locking sleeve is provided with an internal thread that cooperates with the connecting section of the socket assembly; the expansion groove is provided at an end of the second groove wall away from the internal thread. Optionally, the outer peripheral surface of the locking sleeve is provided with a positioning fin, which can be embedded in an installation tool for adjusting the rotation of the locking sleeve.

[0029] The present application also provides a ventricular assist system, comprising a first blood pump, a second blood pump, and a connecting assembly; the connecting assembly refers to the above embodiment. One connector of the connecting assembly connects the first blood pump to one connecting end of the adapter, and another connector of the connecting assembly connects the second blood pump to another connecting end of the adapter; the first blood pump can be installed in the left ventricle of the heart; the second blood pump can be installed in the right ventricle of the heart.

[0030] The adapter of the present application is provided with two connection ends on the housing of the adapter, and both connection ends can be connected to the connector, so that the adapter can be connected to two connectors; and a circuit board is provided in the housing of the adapter to filter out the clutter in the control circuit through the circuit board, so as to reduce the interference of the clutter on the control circuit. In this way, when the control circuit transmits a signal through the adapter and the connector, the clutter in the control circuit will be filtered out by the circuit board in the adapter, so as to improve the signal transmission performance of the adapter and improve the operation stability of the ventricular assist system. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A schematic diagram of the structure of a connection component provided in one embodiment of the present application.

[0032] Figure 2 for Figure 1 A partial exploded view of the connected assembly shown.

[0033] Figure 3 A schematic diagram of the structure of an adapter provided in one embodiment of the present application.

[0034] Figure 4 for Figure 3 Longitudinal section of the adapter shown.

[0035] Figure 5 for Figure 3 Assembly drawing of the circuit board and insulating avoidance components of the adapter shown.

[0036] Figure 6 for Figure 1 Schematic diagram of the structure of the connecting component after removing the shell cover.

[0037] Figure 7 for Figure 6 In P 1 A partial enlarged view of the location.

[0038] Figure 8 for Figure 1 Another partial exploded view of the connection assembly shown.

[0039] Fig. 9 for Figure 8 Front view of the connection assembly shown.

[0040] Fig.10 for Fig. 9 Cross-section along the AA direction.

[0041] Fig.11 for Fig.10 Schematic diagram of the structure of the right half of the connection component shown.

[0042] Fig.12 for Fig.11 A schematic diagram of the structure of the plug assembly and the socket assembly of the connecting assembly after being matched.

[0043] Fig.13 for Fig.11 In P 2 A partial enlarged view of the location.

[0044] Fig.14 for Figure 1 A schematic structural diagram of the housing of the connection component shown.

[0045] Fig.15 for Figure 1 A schematic structural diagram of the plug assembly and the locking sleeve of the connecting assembly shown.

[0046] Fig.16 for Figure 1 A schematic structural diagram of a conductive socket with a conductive pin inserted in the connecting component shown.

[0047] Fig.17 for Fig.16 Cross-section along direction BB.

[0048] Fig.18 for Figure 1 Schematic diagram of the structure of the plug connector of the connecting component shown.

[0049] Fig.19 for Fig.18 Longitudinal section through the plug connector shown.

[0050] Fig. 20 for Figure 8 Assembly diagram of the adapter and socket assembly.

[0051] Fig.21 for Fig. 20 Schematic diagram of the structural breakdown of the midsole shell and shell cover.

[0052] Fig. 22 for Figure 1 A side view of the connection assembly is provided.

[0053] Fig.23 for Fig. 22 Exploded view of a portion of the structure of a connected component.

[0054] Fig.24 A schematic diagram of the structure of a ventricular assist system provided in another embodiment of the present application.

[0055] Explanation of the reference numerals in the accompanying drawings: 100, adapter; 110, housing; 111, bottom shell; 111a, first receiving groove; 111b, bottom surface; 111c, side surface; 112, shell cover; 112a, second receiving groove; 101, receiving cavity; 102, connecting end; 102a, first connecting end; 102b, second connecting end; 103, plug interface; 104, engaging portion; 105, first end surface; 106, annular groove; 106a, first semicircular groove; 106b, second semicircular groove; 107, wire hole; 120, circuit board; 121, side plate; 1211, first connecting portion; 1212, second connecting portion; 121a, first side plate; 121b, Second side plate; 123, inner plate; 1231, first end; 1232, second end; 1233, first side; 1234, second side; 124, first flexible side plate; 125, second flexible side plate; 126, jack; 127, wiring portion; 1201, first spacing area; 1202, second spacing area; 130, insulating avoidance member; 140, cable assembly; 141, connecting line; 142, outlet terminal; 143, internal part; 144, external part; 145, fixing member; 146, fixing hole; 20, connector; 300, socket assembly; 310, housing; 311, plug section; 312, connecting section; 313, annular protrusion; 31 3a, first annular surface; 313b, second annular surface; 314, slot; 315, raised portion; 316, positioning groove; 316a, annular groove wall; 317, matching portion; 319, third end surface; 320, conductive seat; 321, connecting hole; 322, second end surface; 323, limiting protrusion; 323a, first guide surface; 323b, limiting surface; 324, conductive pin; 324a, outer end; 324b, inner end; 400, plug assembly; 410, plug connector; 411, annular groove; 411a, groove bottom surface; 411b, first groove side surface; 411c, second groove side surface; 412, large diameter section; 413, small diameter section; 414, stop protrusion; 414a , second guide surface; 414b, stop surface; 415, fixing groove; 420, inner connecting sleeve; 421, sleeve connection portion; 422, inner flange; 430, outer connecting sleeve; 431, main body; 432, extrusion portion; 432a, first table; 432b, second table; 432c, third table; 433, extension portion; 433a, first surface; 433b, second surface; 440, sealing ring; 500, locking sleeve; 510, fourth end surface; 511, positioning protrusion; 520, receiving groove; 521, first groove wall; 522, second groove wall; 530, expansion groove; 540, positioning fin; 30, first blood pump; 40, second blood pump; 50, heart; D 1 , first spacing; D 2 , the second spacing; S 1 , first plane; S 2, second plane; O 1 , longitudinal axis; O 2 , horizontal axis; O 3 , central axis. DETAILED DESCRIPTION

[0056] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0057] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, if the terms "first" and "second" appear, these terms are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Features defined as "first" and "second" may explicitly or implicitly include at least one of the features. If the term "multiple" appears in the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0058] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0059] Unless otherwise specified and limited in this application, if there is a description of a first feature being "on" or "below" a second feature, etc., it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. The first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0060] If an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may also be an element centered thereon. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be an element centered thereon. If there are expressions such as "vertical", "horizontal", "upper", "lower", "left", "right" and the like in this application, they are only for illustrative purposes and do not represent the only implementation method.

[0061] See also Figure 1 An embodiment of the present application provides an adapter 100, which can be connected to two connectors 20 and can filter out noise in the control circuit to reduce the interference of the noise on the control circuit, thereby improving the signal transmission performance of the adapter 100, improving the operating stability of the ventricular assist system, and further improving the reliability of the operation of the ventricular assist system. Exemplarily, the adapter 100 can be used to connect to the connectors 20 of two blood pumps of the ventricular assist system. In other embodiments, the adapter 100 can also be used to connect to the connectors 20 of other electronically controlled devices, which are not listed here one by one. The following mainly introduces and explains the application of the adapter 100 to the connector 20 of the ventricular assist system as an example.

[0062] See also Figures 1 to 4 In some embodiments, the adapter 100 includes a shell 110, a circuit board 120 and a cable assembly 140; wherein the shell 110 is provided with a receiving cavity 101 and two connecting ends 102, and both connecting ends 102 can be connected to the connector 20; the circuit board 120 is arranged in the receiving cavity 101 of the shell 110, and the circuit board 120 includes two side plates 121 spaced apart from each other, and the two side plates 121 respectively correspond to the two connecting ends 102, and can be electrically connected to the connector 20 connected to the connecting ends 102; the cable assembly 140 is fixedly connected to the shell 110, and the cable assembly 140 includes a connecting wire 141, and the connecting wire 141 is electrically connected to the circuit board 120.

[0063] Specifically, the circuit board 120 in the adapter 100 is a flexible circuit board, and the circuit on the circuit board 120 can selectively pass or suppress signals within a specific frequency range, so that the circuit board 120 can filter out noise in the control circuit to reduce the interference of noise on the control circuit. The side plate 121 of the circuit board 120 is provided with a plurality of jacks 126, and the jacks 126 can be inserted into the conductive pins 324 of the connector 20 for electrical connection. The two connection ends 102 are respectively recorded as the first connection end 102a and the second connection end 102b; the arrangement direction of the two connection ends 102 is recorded as the horizontal direction of the housing 110, and the direction perpendicular to the horizontal direction is recorded as the longitudinal direction of the housing 110. The two side plates 121 are respectively marked as a first side plate 121a and a second side plate 121b. The first side plate 121a and the second side plate 121b are arranged at intervals along the lateral direction of the shell 110, and the first side plate 121a is adjacent to or located at the first connecting end 102a; the second side plate 121b is adjacent to or located at the second connecting end 102b.

[0064] Exemplarily, the two connectors 20 connected to the adapter 100 are respectively recorded as a first connector 21 and a second connector 22; wherein the first connector 21 is connected to the first connection end 102a, and the first connector 21 and the first side plate 121a of the circuit board 120 are electrically connected; the second connector 22 is connected to the second connection end 102b, and the second connector 22 and the second side plate 121b of the circuit board 120 are electrically connected. In this way, the adapter 100 and the two connectors 20 are connected together to form a part of the control circuit.

[0065] The adapter 100 of the present application is provided with two connection ends 102 on the housing 110 of the adapter 100, and a circuit board 120 is provided in the housing 110, wherein the circuit board 121 has two side panels 121, and the two side panels 121 correspond to the two connection ends 102 respectively, and can be electrically connected to the connector 20 connected to the connection end 102, so that a total cable assembly 140 can be connected to the two connectors 20 through the circuit board 120 in the adapter 100. In addition, the circuit board 120 can filter out noise in the control circuit, so as to reduce the interference of the noise to the control circuit. In this way, when the control circuit transmits a signal through the adapter 100 and the connector 20, the noise in the control circuit will be filtered out by the circuit board 120 in the adapter 100, so as to improve the signal transmission performance of the adapter 100 and improve the operation stability of the ventricular assist system.

[0066] See also Figure 2 , Figure 6 and Figure 8In some embodiments, the two connection ends 102 (i.e., the first connection end 102a and the second connection end 102b) of the adapter 100 are respectively disposed at opposite ends of the housing 110. The arrangement direction of the two connection ends 102 is recorded as the lateral direction of the housing 110, that is, the two connection ends 102 are disposed at both ends of the housing 110 in the lateral direction. Correspondingly, the two side panels 121 of the circuit board 120 (i.e., the first side panel 121a and the second side panel 121b) are arranged at intervals along the lateral direction of the housing 110 to correspond to the two connection ends 102 one by one. Figure 2 As shown, the adapter 100 has a longitudinal axis O passing through the housing 110. 1 and the horizontal axis O 2 , longitudinal axis O 1 Perpendicular to the horizontal axis O 2 and passes through the midpoint of the distance between the two connection ends 102; wherein the horizontal axis O 2 The extension direction is the lateral direction of the housing 110, and the longitudinal axis O 1 The extending direction is the longitudinal direction of the housing 110 .

[0067] When the two connectors 20 (i.e. Figure 2 When the first connector 21 and the second connector 22 in the housing 110 are respectively connected to the two connection ends 102, the two connectors 20 are arranged in a straight line along the horizontal direction of the housing 110, and the two connectors 20 are respectively located on opposite sides of the housing 110. The spacing between the two connectors 20 is large, and the installation or removal of the two connectors 20 does not interfere with each other. Exemplarily, when the assembler connects the first connector 21 to the first connection end 102a and then continues to connect the second connector 22 to the second connection end 102b, the first connector 21 will not block the assembler from connecting the second connector 22.

[0068] Furthermore, the cable assembly 140 is fixedly connected to the housing 110. The cable assembly 140 has an outlet terminal 142, which extends in the longitudinal direction of the housing 110. The cable assembly 140 is fixedly connected to the housing 110 through the outlet terminal 142. The connecting wire 141 passes through the outlet terminal 142 and enters the receiving cavity 101 of the housing 110, and is connected to the circuit board 120. When the socket assemblies 300 of the two connectors 20 (i.e., the first connector 21 and the second connector 22) are respectively fixedly connected to the two connecting ends 102 of the adapter 100, they present a T shape (see Figure 8). For a traditional Y-shaped adapter, the angle between the two connection ends of the Y-shaped adapter is small. When each connection end is connected to the plug assembly, it is easy to be interfered with or blocked by the other connection end, making it difficult to implement the connection operation. However, the adapter 100 of the present application is T-shaped after being fixed to the socket assembly 300, which can increase the distance between the two socket assemblies 300. When one of the socket assemblies 300 and the plug assembly 400 is plugged in and out, it will not be interfered with or blocked by the other socket assembly 300, which is conducive to connecting the plug assembly 400 separately and smoothly from both sides of the adapter 100.

[0069] See also Figures 3 to 5 In order to facilitate the adapter 100 to enter the human body, the diameter or volume of the housing 110 needs to be designed to be small, and only two side plates 121 may not be sufficient to meet the circuit design requirements. Therefore, in some embodiments, the circuit board 120 also includes an inner plate 123, which is located between the two side plates 121 to be arranged with the two side plates 121 along the horizontal spacing; the inner plate 123 is electrically connected to the two side plates 121. In other words, the first side plate 121a, the inner plate 123, and the second side plate 121b are arranged in the receiving cavity 101 along the horizontal spacing of the housing 110. In this way, the inner plate 123 and any one of the side plates 121 are separated by a spacing area; wherein, the inner plate 123 and the first side plate 121a are separated by a first spacing area 1201; the inner plate 123 and the second side plate 121b are separated by a second spacing area 1202. Such an arrangement allows the circuit board 120 to obtain a larger board area to meet circuit design requirements; moreover, the circuit board 120 occupies less space, thereby reducing the size of the accommodating cavity 101 of the shell 110, thereby reducing the volume of the shell 110, and facilitating the implantation of the adapter 100 into the human body.

[0070] Optionally, the first side plate 121a and the inner plate 123 and the second side plate 121b are parallel to each other. Alternatively, the first side plate 121a and the second side plate 121b are parallel, while the inner plate 123 is not parallel to the first side plate 121a and the second side plate 121b.

[0071] Please continue reading Figures 3 to 5In some embodiments, the inner plate 123 has a first end 1231 fixed to the housing 110, and a first side 1233 located on one side of the first end 1231; one of the side plates 121 has a first connection portion 1211 corresponding to the first side 1233; the circuit board 120 further includes a first connection plate 124, which connects the first side 1233 and the first connection portion 1211. Specifically, the first side plate 121a is provided with a first connection portion 1211, and the first connection plate 124 electrically connects the first connection portion 1211 of the first side plate 121a and the first side 1233 of the inner plate 123.

[0072] Further, the inner plate body 123 also has a second side portion 1234 located on the other side of the first end portion 1231; the other side plate body 121 has a second connecting portion 1212 corresponding to the second side portion 1234; the circuit board 120 also includes a second connecting plate body 125, and the second connecting plate body 125 connects the second side portion 1234 and the second connecting portion 1212. Specifically, the second side plate body 121b is provided with a second connecting portion 1212, and the second connecting plate body 125 electrically connects the second connecting portion 1212 of the second side plate body 121b and the second side portion 1234 of the inner plate body 123.

[0073] Optionally, the first connecting plate body 124 is configured to be arc-shaped and convex outward relative to the spacing area between the inner plate body 123 and the side plate body 121 (i.e., the first spacing area 1201). The second connecting plate body 125 is configured to be arc-shaped and convex outward relative to the spacing area between the inner plate body 123 and the side plate body 121 (i.e., the second spacing area 1202). This configuration can make the entire circuit board 120 S-shaped, which not only allows the circuit board 120 to obtain a larger surface area to meet the circuit setting requirements; but also reduces the risk of the circuit board 120 contacting the inner wall surface of the housing 110, thereby reducing the interference of static electricity.

[0074] Theoretically, the first connecting plate body 124 and the second connecting plate body 125 are not necessary, and a wire can be used to replace the first connecting plate body 124 or the second connecting plate body 125. However, compared with a wire, the first connecting plate body 124 and the second connecting plate body 125 can be integrally formed with the inner plate body 123 and the side plate body 121 of the circuit board 120, and bent into an S shape after forming, thereby increasing the surface area of ​​the circuit board 120 for setting the circuit. In addition, the strength of the first connecting plate body 124 and the second connecting plate body 125 is greater than the strength of the wire, so that the inner plate body 123 and the side plate body 121 can support each other through the first connecting plate body 124 and the second connecting plate body 125, ensuring that the inner plate body 123 and the side plate body 121 are arranged in a horizontal interval, thereby preventing the inner plate body 123 from contacting the side plate body 121 during the subsequent process of glue injection to fix the circuit board 120.

[0075] See also Figure 2 and Figure 4 In some embodiments, the shell 110 can be configured to be cylindrical or spherical. The shell 110 may include a bottom shell 111 and a shell cover 112 arranged in the longitudinal direction; the bottom shell 111 has a first receiving groove 111a inside, and the shell 110 has a second receiving groove 112a inside; after the shell cover 112 is connected to the bottom shell 111, the first receiving groove 111a of the shell cover 112 and the second receiving groove 112a of the bottom shell 111 cooperate to form a receiving cavity 101. The shell cover 112 and the bottom shell 111 can be detachably connected to enclose the receiving cavity 101. Alternatively, the shell cover 112 and the bottom shell 111 are formed separately and then welded and fixed into one.

[0076] During assembly, the circuit board 120 can be first installed into the first receiving groove 111a of the bottom shell 111. Then, the assembler can electrically connect the circuit board 120 and the connecting wire 141 of the cable assembly 140 from the top of the bottom shell 111. This can obtain a larger operating space and make it easier for the assembler to connect the circuit board 120 and the connecting wire 141 of the cable assembly 140. Finally, the shell cover 112 can be connected to the bottom shell 111.

[0077] See also Figure 6 and Figure 7 In some embodiments, the cable assembly 140 is fixedly connected to the bottom shell 111, and the connecting wire 141 of the cable assembly 140 passes through the bottom shell 111 and extends into the receiving cavity 101 to be electrically connected to the circuit board 120 in the receiving cavity 101. Among them, the outlet end 142 of the cable assembly 140 extends along the longitudinal direction of the housing 110, and the outlet end 142 is fixedly connected to the bottom shell 111. Optionally, the outlet end 142 is a hard structure and is welded and fixed to the bottom shell 111.

[0078] See also Figure 20 to Figure 23 Furthermore, the bottom shell 111 also has a bottom surface 111b and side surfaces 111c located on opposite sides of the bottom surface 111b, and the outlet terminal 142 is connected to the side surfaces 111c of the bottom shell 111. 1 and the horizontal axis O 2 (See Figure 8 ) are perpendicular to each other as the front-to-back direction of the housing 110, and the side surface 111c refers to the front surface or the rear surface of the bottom housing 111. In this way, at least a section of the outlet terminal 142 is located on the side surface 111c of the bottom housing 111, thereby shortening the sum of the heights of the housing 110 and the outlet terminal 142 in the longitudinal direction.

[0079] The height of the housing 110 along the longitudinal direction is defined as a first height H 1 , the height of the outlet end 142 along the longitudinal direction is a second height H 2If the outlet terminal 142 is connected to the bottom surface 111b of the bottom shell 111, the height of the housing 110 and the outlet terminal 142 in the longitudinal direction is H 0 Approximately equal to H 1 and H 2 The sum of H 0 ≈H 1 +H 2 However, in this embodiment, since the outlet terminal 142 is connected to the side 111c of the bottom shell 111, at least a section of the outlet terminal 142 is located on the side 111c of the bottom shell 111, and the space occupied by the two along the axial direction partially overlaps, and thus the sum of the heights H of the housing 110 and the outlet terminal 142 along the longitudinal direction is 0 is smaller, significantly smaller than H 1 and H 2 The sum of H 0 <H 1 +H 2 Obviously, H 0 The smaller it is, the shorter the longitudinal length of the adapter 100 is, so that the adapter 100 is easier to put into the body.

[0080] See also Fig. 22 and Fig.23 , further, passing through the longitudinal axis O of the housing 110 1 and the horizontal axis O 2 The plane is denoted as the first plane S 1 , and the plane tangent to the side surface 111c of the bottom shell 111 is recorded as the second plane S 2 , the second plane S 2 and the first plane S 1 The outlet terminal 142 has a central axis O extending in the longitudinal direction. 3 , center axis O 3 The longitudinal axis O of the housing 110 1 Not collinear. Central axis O 3 Located on the second plane S 2 and the first plane S 1 Thus, most of the outlet terminals 142 can be located in the second plane S 2 and the first plane S 1 Therefore, most of the end surface of the outlet terminal 142 is opposite to and fixed to the side surface 111c of the bottom shell 111 along the longitudinal direction, effectively shortening the sum of the heights H of the shell 110 and the outlet terminal 142 along the longitudinal direction. 0 Optionally, the entire outlet terminal 142 is located on the second plane S 2 and the first plane S 1 This can not only shorten the sum of the heights H of the housing 110 and the outlet terminal 142 in the longitudinal direction, 0, and the diameter of the outlet terminal 142 can be made smaller, the volume of the outlet terminal 142 can be reduced, and the weight of the outlet terminal 142 can be reduced.

[0081] See also Fig. 20 , Fig.21 and Fig.23 Specifically, a wire-passing hole 107 is provided on the side 111c of the bottom shell 111, and the wire-passing hole 107 is communicated with the first receiving groove 111a; the outlet terminal 142 is connected to the periphery of the wire-passing hole 107. A plurality of wire-fixing holes 146 are provided inside the outlet terminal 142, and the plurality of wire-fixing holes 146 are opposite to the wire-passing hole 107. The protective cover of the cable assembly 140 is fixedly connected to the outlet terminal 142, and the plurality of connecting wires 141 of the cable assembly 140 respectively pass through the plurality of wire-fixing holes 146, so as to pass through the wire-fixing holes 146 and extend into the first receiving groove 111a of the bottom shell 111. In this way, the connecting wire 141 can be positioned by the outlet terminal 142, the connecting wire 141 cannot easily move significantly, and the connection between the connecting wire 141 and the circuit board 120 is more stable.

[0082] See also Figures 5 to 7 In some embodiments, the circuit board 120 is provided with a connection portion 127 for electrical connection of the connection wire 141, and the connection portion 127 may be a welding groove or a welding protrusion, so that the connection wire 141 can be welded to the connection portion 127. Considering that after the circuit board 120 is installed in the first receiving groove 111a of the bottom shell 111, the gap between the circuit board 120 and the inner wall surface of the first receiving groove 111a is small, and it is not convenient to weld the connection wire 141 and the connection portion 127 of the circuit board 120 in the gap. In view of this situation, in the present embodiment, the circuit board 120 has a first end 1231 and a second end 1232 opposite to each other; the first end 1231 is fixedly connected to the bottom shell 111, and the second end 1232 is provided with a plurality of connection portions 127, and the connection portions 127 are electrically connected to the connection wire 141. Specifically, the first end 1231 and the second end 1232 of the circuit board 120 are both located on the inner plate body 123.

[0083] When the circuit board 120 is installed in the first receiving groove 111a of the bottom case 111, the first end portion 1231 is located in the first receiving groove 111a of the bottom case 111 (see Figure 2 ), and the second end 1232 extends above the first receiving groove 111a, and the assembler can electrically connect the circuit board 120 and the connecting wire 141 of the cable assembly 140 from above the bottom shell 111, so that a larger operating space can be obtained, which is convenient for the assembler to weld the connecting wire 141 and the wiring part 127 of the circuit board 120. Finally, the shell cover 112 is covered and fixed to the bottom shell 111. Specifically, the shell cover 112 can be welded and fixed to the bottom shell 111.

[0084] See also Figures 3 to 5 In some embodiments, the adapter 100 further includes an insulating avoidance member 130, which is disposed on the outer periphery of the circuit board 120, and the insulating avoidance member 130 separates the circuit board 120 from the inner wall surface of the housing 110. The insulating avoidance member 130 may be a clip structure, and may be detachably clamped on the outer periphery of the circuit board 120. Specifically, the insulating avoidance member 130 may be clamped on the periphery of the inner plate body 123, or the insulating avoidance member 130 may be clamped on the periphery of the side plate body 121. The circuit board 120 and the inner wall surface of the housing 110 may be separated by the insulating avoidance member 130, so as to prevent the inner wall surface of the housing 110 from contacting the circuit board 120, thereby reducing the interference of static electricity. Moreover, before the shell cover 112 is connected to the bottom shell 111, glue may be poured into the receiving cavity 101 to further separate the circuit board 120 from the housing 110, thereby reducing the interference of static electricity and strengthening the static electricity protection.

[0085] See also Figure 3 , Figure 4 and Figure 8 In some embodiments, the connection end 102 is provided with a plug port 103, and the opening periphery of the plug port 103 is spaced from the side plate body 121 by a first distance D 1 , so that the socket assembly 300 of the connector 20 can be inserted and electrically connected to the side plate body 121. The connection end 102 also has a first end face 105, which refers to the end face of the connection end 102 that is away from the other connection end 102. The first end face 105 is arranged at the opening edge of the plug interface 103 and is arranged in a ring shape. The first end face 105 can be connected to the connector 20, which will be described in detail later.

[0086] Exemplarily, the first connection end 102a is provided with a first plug interface 103a, and the socket assembly 300 of the first connector 21 can be inserted into the first plug interface 103a and electrically connected to the first side plate 121a. At this time, the outer peripheral surface of the first connector 21 fits with the inner wall surface of the first plug interface 103a to seal the first plug interface 103a; the second connection end 102b is provided with a second plug interface 103b, and the socket assembly 300 of the second connector 22 can be inserted into the second plug interface 103b and electrically connected to the second side plate 121b. At this time, the outer peripheral surface of the second connector 22 fits with the inner wall surface of the second plug interface 103b to seal the second plug interface 103b.

[0087] See also Figure 2 and Figure 3Optionally, the inner wall surface of the plug interface 103 is provided with a snap-fitting portion 104, and the snap-fitting portion 104 can be snap-fitted with the matching portion 317 provided on the connector 20. When the connector 20 is inserted into the plug interface 103 inside the connection end 102, the matching portion 317 on the connector 20 is snap-fitted with the snap-fitting portion 104 on the inner wall surface of the plug interface 103, so that the connector 20 cannot rotate relative to the plug interface 103, so that the socket assembly 300 of the connector 20 is connected and fixed to the adapter 100, thereby improving the stability of the connection between the connector 20 and the adapter 100. Among them, the snap-fitting portion 104 can be set as a protrusion, and the matching portion 317 is correspondingly set as a groove. In addition, the snap-fitting portion 104 can also be set as a groove, and the matching portion 317 is correspondingly set as a protrusion.

[0088] See 3 and Figure 4 In some embodiments, the housing 110 is configured to be cylindrical. The diameter of the housing 110 gradually decreases from the middle to the two ends thereof; the first connection end 102a and the second connection end 102b are respectively disposed at the two ends of the housing 110. This configuration, on the one hand, can make the size of the housing 110 smaller, and can also make the receiving cavity 101 of the housing 110 have a larger volume; on the other hand, it can make the outer surface of the housing 110 smoother, reducing the difficulty of the adapter 100 entering the body through the patient's incision.

[0089] Please refer to 3 to Figure 5 In some embodiments, a fixing glue (not shown in the figure) is provided in the receiving cavity 101 of the shell 110, and the fixing glue fixes the circuit board 120 in the receiving cavity 101. The fixing glue at least wraps a portion of the circuit board 120, so that a portion of the fixing glue is filled between the circuit board 120 and the inner wall surface of the shell 110, so as to separate the circuit board 120 and the inner wall surface of the shell 110; another portion of the fixing glue is filled in the spacing area (such as the first spacing area 1201 and the second spacing area 1202) between the two side plates 121 of the circuit board 120, so as to separate the two side plates 121 of the circuit board 120, and ensure that the two side plates 121 do not contact and interfere with each other. Optionally, the fixing glue is an insulating glue to prevent the peripheral interference signal from being transmitted to the circuit board 120 through the fixing glue.

[0090] See also Figure 5 , Fig.10 and Fig. 20During manufacturing, the circuit board 120 is first placed in the bottom shell 111 of the housing 110, and then the connecting wire 141 and the wiring portion 127 of the circuit board 120 are welded and fixed; then, the bottom shell 111 with the circuit board 120 is placed in a glue injection mold, and glue is poured into the first receiving groove 111a of the bottom shell 111, so that the glue wraps the circuit board 120, so that the glue adheres and fixes the circuit board 120 to the bottom shell 111. The glue solidifies to form a fixed glue, and the fixed glue includes a first part of glue located in the first receiving groove 111a of the bottom shell 111, and a second part of glue connected to the first part and protruding above the bottom shell 111; the first part of glue wraps the lower half of the circuit board 120; the second part of glue wraps the upper half of the circuit board 120. Then, the shell cover 112 is covered on the bottom shell 111, so that the second part of the glue of the fixed glue is received in the second receiving groove 111b of the shell cover 112. Finally, the bottom shell 111 and the shell cover 112 are connected and fixed.

[0091] Furthermore, the inner wall surface of the housing 110 is provided with an insulating protective film (not shown in the figure), which is used for insulating protection and shielding peripheral interference signals. During manufacturing, the insulating protective film is first pasted on the inner wall surface of the housing 110, and then the fixing glue is filled into the receiving cavity 101 of the housing 110. The material of the insulating protective film can be but is not limited to PI material.

[0092] Considering that after the socket assembly 300 of the connector 20 is inserted into the plug port 103, the outer peripheral surface of the socket assembly 300 needs to be welded and fixed to the housing 110, the inner wall surface of the plug port 103 should not have an insulating protective film. Figure 3 and Figure 4 As shown, an annular groove 106 is also provided on the inner wall surface of the housing 110, and the annular groove 106 is adjacent to the plug port 103. The annular groove 106 separates the insulating protective film from the inner wall surface of the plug port 103, so that the inner wall surface of the plug port 103 is not covered by the insulating protective film. In this way, when the insulating protective film is pasted to the inner wall surface of the housing 110, if a part of the insulating protective film extends to the inner wall surface of the plug port 103, the insulating protective film can be cut along the annular groove 106 to cut off the excess part of the insulating protective film extending to the inner wall surface of the plug port 103, so that the insulating protective film can be cut smoothly and the cutting edge of the insulating protective film can be made smooth.

[0093] Specifically, Figure 3As shown, the annular groove 106 includes a first semicircular groove 106a located on the bottom shell 111, and a second semicircular groove 106b located on the shell cover 112. After the shell cover 112 is covered on the bottom shell 111, the first semicircular groove 106a and the second semicircular groove 106b are correspondingly spliced ​​to form the annular groove 106. In this way, the bottom shell 111 and the shell cover 112 both have corresponding semicircular grooves, so that the insulating protective film can be separately pasted and cut on the inner wall surfaces of the bottom shell 111 and the shell cover 112, reducing the difficulty of operation.

[0094] See also Figure 1 , Figure 8 and Fig. 9 The present application also provides a connection assembly, which includes an adapter 100 and two connectors 20; the two connectors 20 can be connected to the two connection ends 102 of the adapter 100, respectively, so as to be electrically connected to the side plate body 121 of the circuit board 120 in the adapter 100. The specific structure of the adapter 100 refers to any of the above embodiments. Since the connection assembly of the present application adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.

[0095] See also Figures 8 to 10 In some embodiments, the connector 20 includes a socket assembly 300, which is fixedly connected to the connection end 102 of the adapter 100 and electrically connected to the side plate body 121 of the circuit board 120 located inside the connection end 102, and the socket assembly 300 can be connected to the plug assembly 400. Since the socket assembly 300 is fixedly connected to the connection end 102 of the adapter 100, the connection between the socket assembly 300 and the adapter 100 can be more firmly connected and not easy to loosen. The socket assembly 300 and the connection end 102 of the adapter 100 can be fixedly connected by welding.

[0096] Please continue reading Figures 8 to 10 In some embodiments, the connector 20 further includes a plug assembly 400 and a locking sleeve 500; wherein the plug assembly 400 is connected to the socket assembly 300 on the connection end 102; and the locking sleeve 500 connects the socket assembly 300 and the plug assembly 400. The locking sleeve 500 is detachable, and a portion of the locking sleeve 500 is looped on the plug assembly 400, and another portion of the locking sleeve 500 is looped on the socket assembly 300, so as to press the plug assembly 400 onto the socket assembly 300, thereby improving the firmness of the connection between the socket assembly 300 and the plug assembly 400.

[0097] The connection assembly consisting of the connector 20 and the adapter 100 can be manufactured and sold as a kit. In addition, since the socket assembly 300 of the connector 20 is fixedly connected to the connection end 102 of the adapter 100, the socket assembly 300 is equivalent to a part fixedly integrated on the connection end 102 of the adapter 100. In other words, two socket assemblies 300 are integrated on the adapter 100, and the two socket assemblies 300 can be connected to two plug assemblies 400 respectively. For the convenience of subsequent introduction and description, the combined structure formed by fixing the socket assembly 300 of the connector 20 to the connection end 102 of the adapter 100 is called an integrated connector. The integrated connector is T-shaped, and this T-shaped integrated connector can be connected to the plug assembly 400 from both sides. The integrated connector can be manufactured and sold separately, and the user can provide the plug assembly 400 of the connector 20 by himself.

[0098] See also Figures 10 to 12 In some embodiments, the socket assembly 300 includes a conductive seat 320 and a shell 310 disposed on the outer periphery of the conductive seat 320. The conductive seat 320 can be inserted into the connection end 102 and electrically connected to the side plate body 121 of the circuit board 120. The conductive seat 320 is provided with a connection hole 32, and the connection hole 321 can be inserted and matched with the plug assembly 400; the shell 310 includes an insertion section 311 and a connection section 312. The insertion section 311 can be inserted into the connection end 102 of the adapter 100 along with the conductive seat 320, and the connection section 312 can be provided for the locking sleeve 500 to be looped.

[0099] See also Figure 2 , Fig.11 and Fig.14 Optionally, a mating portion 317 is provided on the outer peripheral surface of the plug-in section 311, and the mating portion 317 can be engaged with the locking portion 104 provided in the connecting end 102, so that the plug-in section 311 cannot rotate relative to the plug interface 103 of the connecting end 102, thereby improving the stability of the connection between the socket assembly 300 and the adapter 100.

[0100] See also Fig.11 , Fig.12 and Fig.14 In some embodiments, the connecting end 102 of the adapter 100 has a first end surface 105 (see Figure 4); the outer circumferential surface of the shell 310 is also provided with an annular protrusion 313, which divides the shell 310 into an insertion section 311 and a connecting section 312, and the insertion section 311 can be inserted into the connecting end 102 of the adapter 100 along with the conductive seat 320; the annular protrusion 313 has a first annular surface 313a and a second annular surface 313b, the first annular surface 313a is against the first end face 105 of the connecting end 102, and the second annular surface 313b is opposite to the first annular surface 313a; the locking sleeve 500 has a fourth end face 510 opposite to the second annular surface 313b, and the locking sleeve 500 can be sleeved on the connecting section 312, so that the fourth end face 510 is against the second annular surface 313b.

[0101] Specifically, the outer circumference of the connection section 312 of the housing 310 and the inner circumference of the locking sleeve 500 are provided with mutually matching threads, so that the locking sleeve 500 can be spirally sleeved on the connection section 312. Specifically, the outer wall surface of the connection section 312 of the socket assembly 300 is provided with an external thread, and the inner wall surface of the locking sleeve 500 is provided with an internal thread that matches the connection section 312 of the socket assembly 300. The internal thread of the locking sleeve 500 and the external thread of the connection section 312 match, so that the locking sleeve 50 can be rotatably sleeved on the connection section 312.

[0102] In the present application, the threads that cooperate with each other are trapezoidal threads, and the inner and outer threads of the trapezoidal threads are tightly attached to each other with a conical surface and are not easy to loosen, thereby improving the connection strength between the locking sleeve 500 and the socket assembly 300. In other embodiments, the threads that cooperate with each other can also be rectangular threads or other threads, which can be set according to actual conditions. After the conductive seat 320 of the socket assembly 300 is inserted into the plug interface 103 of the connecting end 102, the outer peripheral surface of the plug section 311 of the shell 310 contacts and cooperates with the inner wall surface of the plug interface 103; the annular protrusion 313 of the shell 310 is located on the outside of the plug interface 103, and the first annular surface 313a of the annular protrusion 313 is against the first end face 105 of the connecting end 102. Then, the locking sleeve 500 is screwed onto the connecting section 312 of the housing 310 until the fourth end surface 510 of the locking sleeve 500 contacts the second annular surface 313 b of the annular protrusion 313 . The plug assembly 400 is correspondingly inserted into the conductive seat 320 and electrically connected to the conductive seat 320 .

[0103] See also Fig.11 , Fig.12 and Fig.14 In some embodiments, in order to improve the stability of the connection between the locking sleeve 500 and the connecting section 312, a plurality of slots 314 are provided on the second annular surface 313b, and the plurality of slots 314 are arranged along the circumference of the second annular surface 313b; the fourth end surface 510 of the locking sleeve 500 is provided with a positioning protrusion 511 (see Fig.15), the positioning protrusion 511 can be correspondingly engaged with one of the slots 314. When the locking sleeve 500 is screwed onto the connecting section 312 of the housing 310, the locking sleeve 500 is rotated so that the locking sleeve 500 is screwed close to the annular protrusion 313. When the fourth end face 510 of the locking sleeve 500 just contacts the second annular face 313b of the annular protrusion 313, the locking sleeve 500 is slightly rotated further, so that the positioning protrusion 511 on the fourth end face 510 of the locking sleeve 500 can be correspondingly engaged with one of the slots 314, and the locking sleeve 500 can be fixed. Without using external force, the locking sleeve 500 is not easy to overcome the restraining force of the positioning protrusion 511 and the slot 314, so that the locking sleeve 500 is not easy to reversely screw and loosen from the connecting section 312, thereby improving the firmness of the locking sleeve 500 and the connecting section 312.

[0104] See also Fig.14 and Fig.15 Optionally, the slot 314 has a concave arc surface; a protrusion 315 is formed between two adjacent slots 314, and the protrusion 315 has a convex arc surface, and the two sides of the convex arc surface are smoothly connected with the concave arc surfaces of the two adjacent slots 314, so that the second annular surface 313b is corrugated. This arrangement can make the slot 314 and the protrusion 315 both smoother. When the locking sleeve 500 is rotated, the positioning protrusion 511 on the locking sleeve 500 can easily pass from one of the slots 314 over the protrusion 315 and enter the other adjacent slot 314, so as to facilitate the removal or installation of the locking sleeve 500.

[0105] See also Figures 10 to 12 In some embodiments, the socket assembly 300 includes a conductive seat 320 and a shell 310 arranged on the outer periphery of the conductive seat 320; the conductive seat 320 has a connecting hole 321; the plug assembly 400 includes a plug connector 410 and an inner connecting sleeve 420; one end of the plug connector 410 is fixedly connected to the inner connecting sleeve 420, and the other end can be inserted and matched with the connecting hole 321.

[0106] Specifically, the connection hole 321 is a blind hole, and the conductive base 320 is provided with a conductive pin 324 in the connection hole 321. The conductive pin 324 penetrates the bottom of the connection hole 321, so that the conductive pin 324 has an inner end 324b located in the connection hole 321 and an outer end 324a located outside the connection hole 321 (see Fig.16 and Fig.17 ), the outer end 324a of the conductive pin 324 can be connected to the plug hole 126 of the circuit board 120 (see Figure 3 and Figure 4 ) plug-in connection, the inner end 324b of the conductive pin 324 can be plug-in connected with the plug connector 410 of the plug assembly 400. In other words, the conductive seat 320 is electrically connected to the plug connector 410 through the conductive pin 324.

[0107] Of course, in other embodiments, a conductive pin may be provided on the side panel body 121 of the circuit board 120, and a socket may be provided at the bottom of the connecting hole 321 of the conductive seat 320, so that the conductive pin on the side panel body 121 of the circuit board 120 can be inserted into the connecting hole 321 from the socket and electrically connected to the plug assembly 400 inserted in the connecting hole 321.

[0108] As described above, the adapter 100 can be fixedly connected with the socket assembly 300 to form an integrated connector. The integrated connector can be manufactured and sold separately, and the user can provide the plug assembly 400 that is compatible with the socket assembly 300 of the integrated connector. Fig. 20 When manufacturing the integrated connector, firstly, the outer end 324a (see Fig.11 ) and the jack 126 on the side plate body 121 of the circuit board 120 (see Figure 5 ) and the connection between the conductive pin 324 and the side plate 121 is welded to fix the two together; then the circuit board 120 and the socket assembly 300 are put down into the bottom shell 111; then the connecting wire 141 is welded to the connection part 127 of the circuit board 120; then, the bottom shell 111 and the outer shell 310 of the socket assembly 300 are welded and fixed. After the welding is completed, the bottom shell 111 is filled with glue to fix the circuit board 120; finally, the shell cover 112 is covered on the bottom shell 111, and the shell cover 112, the bottom shell 111 and the outer shell 310 of the socket assembly 300 are welded and fixed.

[0109] It can be understood that both the bottom shell 111 and the shell cover 112 are provided with a snap-fitting portion 104; the shell 310 of the socket assembly 300 is provided with a plurality of mating portions 317. A portion of the mating portions 317 is correspondingly engaged with the snap-fitting portion 104 on the bottom shell 111, so that the shell 310 of the socket assembly 300 can be snap-fitted and fixed with the bottom shell 111, thereby avoiding rotational dislocation during the subsequent welding process of the shell 310 and the bottom shell 111. Another portion of the mating portions 317 is correspondingly engaged with the snap-fitting portion 104 on the shell cover 112, so that the shell 310 of the socket assembly 300 can be snap-fitted and fixed with the shell cover 112, thereby avoiding rotational dislocation during the subsequent welding process of the shell 310 and the shell cover 112.

[0110] Please continue reading Figures 10 to 13In one embodiment, in order to improve the sealing performance of the connection between the socket assembly 300 and the plug assembly 400, the conductive seat 320 of the socket assembly 300 has a second end face 322 located at the opening periphery of the connecting hole 321; the outer peripheral surface of the plug connector 410 is provided with an annular groove 411, and the annular groove 411 has a first groove side surface 411b opposite to the second end face 322; the plug assembly 400 also includes a sealing ring 440, which is arranged in the annular groove 411, and the two lateral sides of the sealing ring 440 along the shell 110 are respectively against the first groove side surface 411b and the second end face 322.

[0111] like Fig.18 and Fig.19 As shown, specifically, the plug connector 410 has a large diameter section 412 and a small diameter section 413, and the diameter of the large diameter section 412 is larger than the diameter of the small diameter section 413. The large diameter section 412 is fixedly connected to the inner connecting sleeve 420; the small diameter section 413 is inserted and matched with the connecting hole 321. An annular groove 411 is provided at a position of the small diameter section 413 adjacent to the large diameter section 412. The annular groove 411 has a groove bottom surface 411a, a first groove side surface 411b, and a second groove side surface 411c opposite to the first groove side surface 411b; the height of the first groove side surface 411b protruding radially outward relative to the groove bottom surface 411a is greater than the height of the second groove side surface 411c protruding radially outward relative to the groove bottom surface 411a, so that the first groove side surface 411b can be opposite to the second end surface 322.

[0112] When the small diameter section 413 of the plug connector 410 is inserted into the connection hole 321 of the socket assembly 300, the sealing ring 440 is clamped by the second end face 322 and the first groove side face 411b, thereby blocking the opening of the connection hole 321 and sealing the connection between the plug connector 410 and the conductive pin 324 in the connection hole 321.

[0113] See also Figures 10 to 13 Optionally, the plug assembly 400 further includes an outer connection sleeve 430, which includes a main body 431 and an extension 433. The main body 431 is sleeved on the outer periphery of the inner connection sleeve 420, and the extension 433 is sleeved on the outer periphery of the plug connector 410. The extension 433 is at least partially located on the outer periphery of the sealing ring 440, so as to press the sealing ring 440 into the annular groove 411, so that the sealing ring 440 is not easy to fall out of the annular groove 411. The inner wall surface of the housing 310 of the socket assembly 300 is concavely provided with an engaging groove 316, which is located on the inner wall surface of the connecting section 312. The extension 433 of the outer connection sleeve 430 can extend into the engaging groove 316, so that the extension 433 is equivalent to being embedded in the inner side of the housing 310 of the socket assembly 300. The housing 310 further presses the sealing ring 440 through the extension 433, thereby improving the sealing performance of the sealing ring 440.

[0114] Furthermore, the connecting section 312 of the housing 310 of the socket assembly 300 has a third end surface 319, and the third end surface 319 is away from the annular protrusion 313; the second end surface 322 of the conductive seat 320 is spaced from the third end surface 319 by a second distance D 2 (like Fig.11 As shown in the figure, the second end face 322 is prevented from blocking the extension part 433 from being inserted into the fitting groove 316. The fitting groove 316 has an annular groove surface 316a which is radially opposite to the annular groove 411; the extension part 433 has a first surface 433a and a second surface 433b which are opposite to each other. The first surface 433a is opposite to the groove bottom surface 411a of the annular groove 411 and abuts against the sealing ring 440; the second surface 433b abuts against the annular groove surface 316a. In this way, the housing 310 further presses the sealing ring 440 through the extension part 433, so that the sealing ring 440 cannot be deformed radially outward. In combination with the aforementioned sealing ring 440 being clamped by the second end face 322 and the first groove side face 411b, the sealing ring 440 cannot be deformed in the lateral direction, so that the sealing ring 440 can only deform toward the corners / slits in the annular groove 411, so that the deformed part of the sealing ring 440 fills the corners / slits in the annular groove 411, thereby greatly improving the sealing performance of the sealing ring 440.

[0115] See also Fig.12 , Fig.18 and Fig.19 In one embodiment, the inner connecting sleeve 420 has a sleeve portion 421 that is sleeved on one end of the plug connector 410. Specifically, a fixing groove 415 is provided on the outer circumference of the large diameter section 412 of the plug connector 410, and the sleeve portion 421 has an inner flange 422. The sleeve portion 421 is sleeved on the outer circumference of the large diameter section 412 of the plug connector 410, and the inner flange 422 of the sleeve portion 421 is inserted into the fixing groove 415.

[0116] See also Figures 11 to 13Optionally, the outer connecting sleeve 430 also includes an extrusion portion 432 connected between the main body 431 and the extension portion 433, the extrusion portion 432 is radially protruded relative to the main body 431 or the extension portion 433, and the extrusion portion 432 is located at the outer periphery of the sleeve portion 421; the locking sleeve 500 is ring-mounted on the outer connecting sleeve 430, and the locking sleeve 500 has a receiving groove 520 for receiving the extrusion portion 432. Among them, the extrusion portion 432 has a first table surface 432a, a second table surface 432b and a third table surface 432c, the first table surface 432a is opposite to and abuts the third end surface 319 of the shell 310 of the socket assembly 300; the second table surface 432b is opposite to the first table surface 432a, and the third table surface 432c is connected between the first table surface 432a and the second table surface 432b; the receiving groove 520 has a first groove wall 521 and a second groove wall 522, the first groove wall 521 is abutted against the second table surface 432b, and the second groove wall 522 is ring-shaped on the third table surface 432c. In this way, the extrusion portion 432 of the outer connecting sleeve 430 can be clamped by the third end surface 319 of the outer shell 310 and the first groove wall 521 of the receiving groove 520 of the locking sleeve 500, so that the outer connecting sleeve 430 is fixed between the socket assembly 300, the locking sleeve 500 and the inner connecting sleeve 420 to prevent the outer connecting sleeve 430 from moving.

[0117] It is taken into consideration that when the extrusion portion 432 is clamped and deformed by the third end face 319 of the outer shell 310 and the first groove wall 521 of the receiving groove 520 of the locking sleeve 500, if the deformation of the extrusion portion 432 in the radial direction is too large, it may cause excessive friction between the external connecting sleeve 430 and the locking sleeve 500, thereby hindering the tightening of the locking sleeve 500. The external force required to rotate the locking sleeve 500 is relatively large, and the difficulty of installing the locking sleeve 500 is increased. In view of this, in the present embodiment, a capacity expansion groove 530 is provided in the second groove wall 522, and the capacity expansion groove 530 can provide a deformation space for the extrusion portion 432, so that the deformed portion of the extrusion portion 432 can be accommodated in the capacity expansion groove 530, so that the deformed portion of the extrusion portion 432 is not easy to squeeze into between the external connecting sleeve 430 and the locking sleeve 500, thereby avoiding the generation of a large friction force between the external connecting sleeve 430 and the locking sleeve 500, reducing the external force required to rotate the locking sleeve 500, and thereby reducing the difficulty of installing the locking sleeve 500.

[0118] It is understandable that the second groove wall 522 is located between the first groove wall 521 and the internal thread of the locking sleeve 500. If the expansion groove 530 is arranged at one end of the second groove wall 522 adjacent to the internal thread of the locking sleeve 500, the expansion groove 530 will be closer to the internal thread of the locking sleeve 500. In this way, when the extrusion portion 432 is clamped by the third end surface 319 of the housing 310 and the first groove wall 521 of the locking sleeve 500, the portion of the extrusion portion 432 located between the first table surface 432a and the third table surface 432c will be arched and deformed radially outward, and a part of the arched deformation may deviate from the expansion groove 530 and squeeze into the thread between the connecting section 312 of the housing 310 and the locking sleeve 500. Therefore, in this embodiment, in order to reduce the occurrence of this situation, the expansion groove 530 is arranged at one end of the second groove wall 522 away from the internal thread of the locking sleeve 500. In this way, when the extrusion portion 432 is clamped by the third end face 319 of the outer shell 310 and the first groove wall 521 of the locking sleeve 500, the portion of the extrusion portion 432 located between the second table 432b and the third table 432c will be arched and deformed radially outward, and the arched and deformed portion can be accommodated in the expansion groove 530, while the portion of the extrusion portion 432 located between the first table 432a and the third table 432c is not easy to be arched and deformed radially outward.

[0119] Of course, in other embodiments, an extrusion protrusion may be further provided on the second groove wall 522, and the second groove wall 522 abuts against the third table 432c of the extrusion portion 432 through the extrusion protrusion, thereby reducing the contact area between the locking sleeve 500 and the extrusion portion 432, and increasing the pressure of the locking sleeve 500 on the extrusion portion 432, so that the extrusion portion 432 is easier to deform, further reducing the force required to rotate the locking sleeve 500, and further reducing the difficulty of tightening the locking sleeve 500.

[0120] See also Fig.11 and Fig.12 In some embodiments, the inner circumference of the connection hole 321 of the socket assembly 300 is provided with a limiting protrusion 323, and the limiting protrusion 323 has a first guide surface 323a facing the opening of the connection hole 321, and a limiting surface 323b facing away from the first guide surface 323a (see Fig.17 ); then combine Fig.18 and Fig.19 Referring to FIG. 1 , the outer peripheral surface of the plug connector 410 of the plug assembly 400 is provided with a stop protrusion 414, and the stop protrusion 414 has a second guide surface 414a and a stop surface 414b facing away from the second guide surface 414a (see FIG. 1 ). Fig.18 and Fig.19 ), the second guide surface 414a can go over the first guide surface 323a, so that the stop surface 414b is against the limiting surface 323b.

[0121] During the process of inserting the plug connector 410 into the connecting hole 321, when the stop protrusion 414 of the plug connector 410 encounters the first guide surface 323a of the limiting protrusion 323, the second guide surface 414a of the stop protrusion 414 first contacts the first guide surface 323a of the limiting protrusion 323; at this time, an external force is used to push the plug connector 410 so that the second guide surface 414a of the stop protrusion 414 passes over the first guide surface 323a until the stop surface 414b of the stop protrusion 414 abuts against the limiting surface 323b of the limiting protrusion 323, thereby determining that the plug connector 410 has been inserted into the connecting hole 321 and has reached the position for connection with the conductive pin 324. At this time, because the stop protrusion 414 is blocked by the limiting protrusion 323, in the absence of a large external force, the plug connector 410 is not easy to overcome the restraining force of the limiting protrusion 323, and is not easy to loosen from the connecting hole 321, thereby improving the firmness of the connection between the plug connector 410 and the conductive seat 320.

[0122] Optionally, the first guide surface 323a and the limiting surface 323b of the limiting protrusion 323 are both inclined surfaces; the second guide surface 414a and the stopping surface 414b of the stopping protrusion 414 are also inclined surfaces.

[0123] Considering that the connection stability between the locking sleeve 500 and the connecting section 312 is relatively high, and the outer diameter of the locking sleeve 500 is relatively small, it is not easy to manually rotate the locking sleeve 500. Therefore, it is usually necessary to use an installation tool to be sleeved on the locking sleeve 500, and the locking sleeve 500 is driven to rotate by the installation tool to remove or install the locking sleeve 500. Such an installation tool generally includes a collar and a handle connected to the collar. The collar can be sleeved on the outer circumference of the locking sleeve 500; the locking sleeve 500 can be rotated by pulling the handle.

[0124] See also Fig.15 In order to improve the firmness of the collar of the installation tool and the locking sleeve 500, a positioning fin 540 is convexly provided on the outer circumference of the locking sleeve 500, and the collar of the installation tool is provided with a contour groove, the contour and size of the contour groove and the positioning fin 540 are substantially the same, and the positioning fin 540 can be embedded in the contour groove of the installation tool. This can prevent the collar of the installation tool and the outer circumference of the locking sleeve 500 from slipping, and avoid the collar from sliding relative to the locking sleeve 500, thereby improving the firmness of the collar of the installation tool and the locking sleeve 500, and facilitating the installation tool to drive the locking sleeve 500 to rotate.

[0125] See also Fig.24The present application also provides a ventricular assist system, which includes a first blood pump 30, a second blood pump 40, and a connecting assembly. The specific structure of the connecting assembly refers to any of the above embodiments; the two connectors 20 of the connecting assembly are respectively connected to the first blood pump 30 and the second blood pump 40; and the first blood pump 30 can be installed in the left ventricle of the heart 50; the second blood pump 40 can be installed in the right ventricle of the heart 50. Since the connecting assembly of the present application adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.

[0126] See also Fig.24 The plug assembly 400 of one connector 20 is fixedly connected to the first blood pump 30 through the first cable 31 and can be implanted in the patient's body together with the first blood pump 30; the plug assembly 400 of the other connector 20 is fixedly connected to the second blood pump 40 through the second cable 41 and can be implanted in the patient's body together with the second blood pump 40.

[0127] Since the socket assembly 300 of the connector 20 is fixedly connected to the adapter 100 to form an integrated connector, during the operation, the plug assembly 400 of the connector 20 is first implanted into the body through the human incision along with the first blood pump 30 and the second blood pump 40; then, the integrated connector is extended to the vicinity of the incision, and one of the socket assemblies 300 on the integrated connector is connected to the plug assembly 400 of the first blood pump 30 near the incision, and the other socket assembly 300 on the integrated connector is connected to the plug assembly 400 of the second blood pump 40, thereby completing the connection between the two blood pumps and the external controller.

[0128] See also Fig.24 In some embodiments, the connection assembly further includes a fixing member 145, which is disposed on the cable assembly 140. One end of the cable assembly 140 is fixedly connected to the housing 110, and the other end can pass through the body to connect to an external controller. The fixing member 145 can be fixed on the human body, dividing the cable assembly 140 into an internal part 143 and an external part 144.

[0129] The technical features of the above-described embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification. The above-described embodiments only express several implementation methods of the present application, and the description is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the patent application. It should be pointed out that for ordinary technicians in this field, without departing from the concept of the present application, several deformations and improvements can be made, which all belong to the scope of protection of the present application. Therefore, the scope of protection of the patent application of this application shall be based on the attached claims.

Claims

1. An adapter, characterized in that: The adapter comprises: A housing, wherein the housing is provided with a receiving cavity and two connecting ends located on the housing, and the two connecting ends can be connected to a connector; A circuit board, the circuit board is arranged in the receiving cavity of the shell, the circuit board includes two side plates spaced apart from each other, the two side plates are both received in the receiving cavity; the two side plates correspond to the two connecting ends respectively, and can be electrically connected to the connector connected to the connecting ends; and A cable assembly is fixedly connected to the shell, and the cable assembly includes a connecting line, which extends to the receiving cavity and is electrically connected to the circuit board.

2. The adapter according to claim 1, characterized in that: The two connection ends are respectively arranged at opposite ends of the shell, and the arrangement direction of the two connection ends is recorded as the transverse direction of the shell, and the two side plates of the circuit board are arranged along the transverse direction of the shell; the circuit board also includes an inner plate body, which is located between the two side plates to be arranged with intervals with the two side plates along the transverse direction, and the inner plate body is electrically connected to the two side plates.

3. The adapter according to claim 2, characterized in that: The inner plate body has a first end portion and a first side portion and a second side portion located on both sides of the first end portion; one of the side plates has a first connecting portion corresponding to the first side portion, and the other side plate has a second connecting portion corresponding to the second side portion; The circuit board further comprises at least one of a first connecting plate body and a second connecting plate body, wherein: The first connecting plate body connects the first side portion and the first connecting portion, and the first connecting plate body is configured to be arc-shaped and convex outward relative to the spacing area between the inner plate body and the side plate body; The second connecting plate body connects the second side portion and the second connecting portion. The second connecting plate body is configured to be arc-shaped and convex outward relative to the spacing area between the inner plate body and the side plate body.

4. The adapter according to claim 1, characterized in that: The arrangement direction of the two connecting ends is recorded as the transverse direction of the shell, and the direction perpendicular to the transverse direction is recorded as the longitudinal direction of the shell; the shell includes a bottom shell and a shell cover arranged along the longitudinal direction, the bottom shell has a first accommodating groove, the shell cover has a second accommodating groove, and the shell cover and the bottom shell are connected so that the first accommodating groove and the second accommodating groove enclose the accommodating cavity.

5. The adapter according to claim 4, characterized in that: The cable assembly is fixedly connected to the bottom shell, the connecting wire of the cable assembly passes through the bottom shell and extends into the receiving cavity, the circuit board has a first end and a second end opposite to each other, the first end is received in the first receiving groove of the bottom shell, and the second end is provided with a plurality of wiring parts, and the wiring parts are electrically connected to the connecting wire; And / or, the cable assembly has an outlet end for the connecting line to pass through, the outlet end extends along the longitudinal direction of the shell, the bottom shell has a bottom surface and side surfaces located on opposite sides of the bottom surface, wherein the plane passing through the longitudinal axis and the transverse axis of the shell is recorded as the first plane, and the plane tangent to the side surface of the bottom shell is recorded as the second plane, the second plane is parallel to the first plane, and the outlet end is connected to the side surface and is located between the second plane and the first plane.

6. The adapter according to any one of claims 1 to 5, characterized in that: The adapter further comprises an insulating avoidance member, which is arranged on the outer periphery of the circuit board and separates the circuit board from the inner wall surface of the housing; And / or, the connection end is provided with a plug interface, the opening periphery of the plug interface is spaced apart from the side plate body by a first spacing so that the connector can be inserted and electrically connected to the side plate body, and the inner wall surface of the plug interface is provided with a snap-fitting portion, which can be snap-fitted with a matching portion provided on the connector.

7. The adapter according to any one of claims 1 to 5, characterized in that: The adapter also includes at least one of the following four features: The shell is configured to be cylindrical or spherical; The diameter of the shell gradually decreases from the middle to the two ends; The side plate body of the circuit board is provided with a plurality of insertion holes, so that the conductive pins of the connector can be inserted therein for electrical connection; A fixing glue is arranged in the receiving cavity of the shell, and the fixing glue at least wraps a part of the circuit board, wherein a part of the fixing glue is filled between the circuit board and the inner wall surface of the shell, and another part of the fixing glue is filled in the spacing area between the two side plates of the circuit board.

8. The adapter according to any one of claims 1 to 5, characterized in that: The inner wall surface of the shell is provided with an insulating protective film.

9. The adapter according to claim 8, characterized in that: The connecting end is provided with a plug-in port for inserting the connector; the inner wall surface of the shell is also provided with an annular groove, the annular groove is adjacent to the plug-in port, and the annular groove separates the insulating protective film and the inner wall surface of the plug-in port so that the inner wall surface of the plug-in port is not covered by the insulating protective film.

10. A connection assembly, characterized in that: The connection component comprises: The adapter according to any one of claims 1 to 9; and Two connectors, the two connectors can be connected to the two connecting ends of the adapter respectively, so as to be electrically connected to the side plates of the circuit board in the adapter respectively.

11. The connection assembly according to claim 10, characterized in that The connector includes a socket assembly, which is fixedly connected to the connecting end of the adapter and electrically connected to a side plate body of the circuit board located inside the connecting end. The socket assembly can be connected to a plug assembly.

12. The connection assembly according to claim 11, characterized in that The connector also includes the plug assembly and a locking sleeve; wherein the plug assembly is connected to the socket assembly on the connecting end; the locking sleeve connects the socket assembly and the plug assembly; the socket assembly includes a conductive seat and a shell arranged on the outer periphery of the conductive seat, the conductive seat can be inserted into the connecting end and electrically connected to the side plate body of the circuit board, the conductive seat is provided with a connecting hole, and the connecting hole can be inserted and matched with the plug assembly; the shell includes an inserting section and a connecting section, the inserting section can be inserted into the connecting end with the conductive seat to be fixedly connected to the shell; the connecting section can be provided with a ring sleeve of the locking sleeve.

13. The connection assembly according to claim 12, characterized in that The outer peripheral surface of the plug-in section is provided with a matching portion, and the matching portion can be engaged with a clamping portion provided in the connecting end; And / or, the conductive seat is also provided with a conductive pin, the conductive pin has an inner end located in the connecting hole, and an outer end located outside the connecting hole, the outer end of the conductive pin can be connected to the side plate body of the circuit board, and the inner end of the conductive pin can be inserted and connected with the plug assembly.

14. The connection assembly according to claim 12, characterized in that: The connecting end of the connector has a first end face; the outer peripheral surface of the shell is provided with an annular protrusion, and the annular protrusion divides the shell into the plug-in section and the connecting section; the annular protrusion has a first annular surface and a second annular surface, the first annular surface is against the first end face of the connecting end, and the second annular surface is opposite to the first annular surface; the locking sleeve has a fourth end face opposite to the second annular surface, and the locking sleeve can be looped on the connecting section so that the fourth end face is against the second annular surface.

15. The connection assembly according to claim 14, characterized in that The second annular surface is provided with a plurality of grooves, and the plurality of grooves are arranged along the circumference of the second annular surface; the inner wall surface of the locking sleeve and the connecting section are provided with mutually matching threads, and the fourth end surface of the locking sleeve is provided with a positioning protrusion, and the locking sleeve can be spirally approached toward the annular protrusion on the connecting section, so that the positioning protrusion is correspondingly engaged with one of the grooves.

16. The connection assembly according to claim 15, characterized in that The slot has a concave arc surface; a raised portion is formed between two adjacent slots, and the raised portion has a convex arc surface. Both sides of the convex arc surface are smoothly connected with the concave arc surfaces of the two adjacent slots, so that the second annular surface is corrugated.

17. The connection assembly according to claim 12, characterized in that The conductive seat of the socket assembly has a second end face located at the opening periphery of the connecting hole; the plug assembly includes a plug connector, a sealing ring and an inner connecting sleeve; one end of the plug connector is fixedly connected to the inner connecting sleeve, and the other end can be inserted and matched with the connecting hole; an annular groove is provided on the outer peripheral surface of the plug connector, and the annular groove has a first groove side surface opposite to the second end face, and the sealing ring is arranged in the annular groove, and the two side surfaces of the sealing ring are respectively against the first groove side surface and the second end face.

18. The connection assembly according to claim 17, characterized in that The inner wall surface of the shell of the socket assembly is provided with an embedding groove, and the embedding groove is located on the inner wall surface of the connecting section of the shell, and the embedding groove has an annular groove surface radially opposite to the annular groove; the plug assembly also includes an external connecting sleeve, and the external connecting sleeve has a main body and an extension part, the main body is sleeved on the outer periphery of the internal connecting sleeve, and the extension part is sleeved on the outer periphery of the plug connector and covers the sealing ring; the extension part has a first surface and a second surface opposite to each other, the first surface is opposite to the bottom surface of the annular groove and abuts against the sealing ring; the second surface abuts against the annular groove surface.

19. The connection assembly according to claim 18, characterized in that The inner connecting sleeve has a sleeve portion that is sleeved on one end of the plug connector; the outer connecting sleeve also has an extrusion portion that is connected to the extension portion and relatively protrudes outward, and the extrusion portion is located at the outer periphery of the sleeve portion; the locking sleeve is sleeved on the outer connecting sleeve, and the locking sleeve has a receiving groove for receiving the extrusion portion; wherein, The extrusion portion has a first table surface, a second table surface and a third table surface; the first table surface is opposite to and abuts against a third end surface located on the housing of the socket assembly; the second table surface faces away from the first table surface, and the third table surface connects the first table surface and the second table surface; The receiving groove comprises a first groove wall and a second groove wall, the first groove wall abuts against the second table surface, the second groove wall is sleeved on the third table surface, and the second groove wall is provided with a capacity expansion groove.

20. The connection assembly according to claim 19, characterized in that The inner wall surface of the locking sleeve is provided with an internal thread matched with the connecting section of the socket assembly; the expansion groove is arranged at an end of the second groove wall away from the internal thread.

21. The connection assembly according to claim 12, characterized in that The outer peripheral surface of the locking sleeve is convexly provided with a positioning fin, and the positioning fin can be embedded in an installation tool for adjusting the rotation of the locking sleeve.

22. A ventricular assist system, characterized in that: The ventricular assist system includes a first blood pump, a second blood pump, and a connecting assembly as described in any one of claims 10 to 21; one of the connectors of the connecting assembly connects the first blood pump and one connecting end of the adapter, and another connector of the connecting assembly connects the second blood pump and the other connecting end of the adapter; wherein the first blood pump can be installed in the left ventricle of the heart; and the second blood pump can be installed in the right ventricle of the heart.

Images