In-vivo connector for heart implantation equipment and heart implantation equipment

Abstract

The utility model discloses an in-vivo connector for heart implantation equipment. The in-vivo connector comprises a connector base; the connector end cover is connected with the connector base, and an accommodating cavity is formed between the connector end cover and the connector base; the electrical connection assembly comprises a first conducting strip, a second conducting strip and a cable, the first conducting strip is arranged on the connector base, and the second conducting strip is connected with the first conducting strip through a first fastener; the cable comprises a plurality of core wires, and one end, located in the accommodating cavity, of each core wire is connected with the second conductive sheet; and the protective sleeve sleeves the position, extending out of the accommodating cavity, of the cable. According to the internal connector for the heart implantation equipment, the core wires of the cable are connected with the second conducting strip, and the second conducting strip is connected with the first conducting strip through the first fastener, so that the cable is fixed, the cable is convenient to disassemble and assemble through the connection mode, and the internal connector for the heart implantation equipment is high in flexibility and high in reliability. The in-vivo connector for the heart implantation equipment is convenient to test, clean and sterilize in the manufacturing process.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and more specifically, to an in-vivo connector for a cardiac implant device and the cardiac implant device. Background Art

[0002] Heart failure is abbreviated as HF. In layman's terms, it means that the heart cannot pump enough blood to maintain blood circulation throughout the body. For patients with heart failure, there are only three treatment options: conservative drug therapy, heart transplantation, and cardiac assist. The effect of drug therapy is poor, and heart transplantation is very difficult due to donor restrictions. Therefore, cardiac assist devices have become the most effective treatment for various types of end-stage heart failure recognized worldwide.

[0003] The cardiac assist device includes an internal connector, an external controller and a power supply. The internal connector is connected to the external controller and power supply through a cable, and the cable is connected to the internal connector through a conductive sheet. The internal connector needs to undergo multiple tests, cleaning and sterilization during the manufacturing process, and the cable needs to be frequently disassembled and assembled. The existing technology mostly uses welding to achieve the connection between the cable and the internal connector, and the disassembly and assembly flexibility is poor.

[0004] Therefore, how to improve the flexibility of assembly and disassembly of the cable and the internal connector has become a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0005] In view of this, an object of the present invention is to provide an in-vivo connector for a cardiac implant device, so as to improve the flexibility of assembly and disassembly of a cable and the in-vivo connector.

[0006] Another core of the utility model is to disclose a cardiac implant device comprising the in-vivo connector for the cardiac implant device.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An in-vivo connector for a cardiac implant device, comprising:

[0009] Connector base;

[0010] A connector end cover, the connector end cover is connected to the connector base, and a receiving cavity is formed therebetween;

[0011] An electrical connection assembly, comprising a first conductive sheet, a second conductive sheet and a cable, wherein the first conductive sheet is arranged on a connector base, the second conductive sheet is connected to the first conductive sheet through a first fastener, one end of the cable is inserted into a receiving cavity, and the other end extends outside the human body; the cable comprises a plurality of core wires, each core wire is located at one end of the receiving cavity and connected to the second conductive sheet;

[0012] The protective sleeve is arranged at the position where the cable protrudes out of the accommodating cavity.

[0013] Optionally, in the above-mentioned in vivo connector for the cardiac implant device, a socket is provided on the second conductive sheet, the core wire is inserted into and pressed into the socket at one end of the accommodating cavity, and the axis of the socket is perpendicular to the axis of the first fastener.

[0014] Optionally, in the above-mentioned in-vivo connector for the cardiac implant device, a connector bracket is provided in the accommodating cavity, and the first conductive sheet is provided on the connector bracket.

[0015] Optionally, in the above-mentioned in vivo connector for the cardiac implant device, a boss and a slot are provided on the connector base, and the connector bracket is inserted into the slot and abuts against the boss.

[0016] Optionally, in the above-mentioned in vivo connector for the cardiac implant device, a plurality of conductive sheet cavities for accommodating the first conductive sheet are provided on the connector bracket, and an insulating partition is provided between two adjacent conductive sheet cavities, and a conductive sheet boss abutting against the bottom plate of the connector bracket is provided on the first conductive sheet.

[0017] Optionally, in the above-mentioned in vivo connector for the cardiac implant device, a first cable bearing bracket is provided on the connector base, and a second cable bearing bracket is provided on the connector end cover, the first cable bearing bracket is snapped together with the second cable bearing bracket to form a cable bearing bracket for carrying the cable, and the connection area of ​​the protective cover is sleeved on the cable bearing bracket.

[0018] Optionally, in the above-mentioned in vivo connector for cardiac implant device, a groove is provided on the first cable bearing bracket and / or the second cable bearing bracket, and a protrusion matching with the groove is provided in the connection area; or,

[0019] The first cable supporting bracket and / or the second cable supporting bracket are provided with protrusions, and the connecting area is provided with grooves matching with the grooves.

[0020] Optionally, in the above-mentioned in vivo connector for a cardiac implant device, the protective sleeve includes a connection area and a protection area, and the protection area is sleeved on the cable.

[0021] Optionally, in the above-mentioned in-vivo connector for a cardiac implant device, the lower end surface of the connector end cover abuts against the upper end surface of the connector bracket.

[0022] A cardiac implant device comprises an in-vivo connector for the cardiac implant device, wherein the in-vivo connector for the cardiac implant device is the in-vivo connector for the cardiac implant device mentioned above.

[0023] It can be seen from the above technical solutions that the in-vivo connector for cardiac implantable devices disclosed by the utility model connects each core wire of the cable to the second conductive sheet, and the second conductive sheet is connected to the first conductive sheet through the first fastener to fix the cable. This connection method is convenient for disassembly and assembly of the cable, has high flexibility, and is convenient for testing, cleaning and sterilization of the in-vivo connector for cardiac implantable devices during the manufacturing process. At the same time, the installation direction of the first fastener is perpendicular to the force direction of the core wire. This method can increase the tensile strength of the connection and improve the reliability of the cable connection.

[0024] The cardiac implant device disclosed in the embodiment of the utility model includes the above-mentioned in-vivo connector for cardiac implant device, and therefore has all the technical effects of the above-mentioned in-vivo connector for cardiac implant device, which will not be described in detail herein. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a schematic diagram of the overall structure of the in-vivo connector for a cardiac implant device disclosed in an embodiment of the utility model;

[0027] Figure 2 An exploded view of an in-vivo connector for a cardiac implant device disclosed in an embodiment of the utility model;

[0028] Figure 3 A schematic diagram of the internal structure of an in-vivo connector for a cardiac implant device disclosed in an embodiment of the utility model;

[0029] Figure 4 This is a schematic diagram of the structure of the connector base disclosed in the embodiment of the utility model;

[0030] Figure 5 This is a schematic structural diagram of a connector bracket disclosed in an embodiment of the utility model at an angle;

[0031] Figure 6 It is a structural schematic diagram of the connector bracket disclosed in the embodiment of the utility model from another angle;

[0032] Figure 7 This is a schematic diagram of the connection between the first conductive sheet and the second conductive sheet disclosed in an embodiment of the utility model.

[0033] Among them, 10 is a connector base, 11 is a first cable bearing bracket, 12 is a slot, 13 is a boss, 20 is a connector bracket, 30 is a first conductive sheet, 40 is a second conductive sheet, 50 is a first fastener, 60 is a cable, 610 is a core wire, 70 is a connector end cover, 71 is a second cable bearing bracket, 80 is a protective cover, 81 is a connection area, 82 is a protection area, and 90 is a second fastener. DETAILED DESCRIPTION

[0034] The core of the utility model is to disclose an in-vivo connector for a cardiac implant device, so as to improve the flexibility of disassembly and assembly of a cable and the in-vivo connector.

[0035] Another core of the utility model is to disclose a cardiac implant device comprising the in-vivo connector for the cardiac implant device.

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] like Figure 1 and Figure 2 As shown, an embodiment of the utility model discloses an in-vivo connector for a cardiac implant device, comprising a connector base 10 , a connector end cover 70 , an electrical connection assembly and a protective cover 80 .

[0038] It should be noted that the cardiac implant device includes an in-vivo connector, an out-vivo controller and a power supply, and the in-vivo connector is connected to the out-vivo controller and power supply via a cable.

[0039] The connector end cover 70 is a lower open structure, and the connector base 10 is an upper open structure. Figure 4As shown, the connector end cover 70 is connected to the connector base 10, and a receiving cavity is formed between the two. It should be noted that the specific connection method between the connector end cover 70 and the connector base 10 is not limited, and can be connected by a snap connection method or fixed by a fixing member. In some specific embodiments, the connector end cover 70 is connected to the connector base 10 through a second fastener 90, and the second fastener 90 can be a connecting screw. A first mounting hole is provided on the connector end cover 70, preferably, the first mounting hole is a countersunk hole, and a second mounting hole is provided on the connector base 10, preferably, the second mounting hole is a threaded hole. The connecting screw passes through the first mounting hole and is threadedly matched with the second mounting hole to realize the connection between the connector end cover 70 and the connector base 10. This connection method is easy to disassemble and assemble, and is simple to operate. In other specific embodiments, the connection between the two can be achieved by providing a snap-in block on the connector end cover 70 and a snap-in groove on the connector base 10.

[0040] The electrical connection assembly includes a first conductive sheet 30, a second conductive sheet 40 and a cable 60, and the first conductive sheet 30 and the second conductive sheet 40 correspond one to one. The first conductive sheet 30 is arranged on the connector base 10, and the second conductive sheet 40 is connected to the first conductive sheet 30 through a first fastener 50. One end of the cable 60 penetrates into the accommodating cavity, and the other end extends out of the human body and is connected to the controller and power supply outside the body. The cable 60 includes a plurality of core wires 610, and one end of each core wire 610 located in the accommodating cavity is connected to the second conductive sheet 40. The second conductive sheet 40 corresponds one to one with the core wire 610, and can be connected by welding or crimping, which is not specifically limited here.

[0041] In some specific embodiments, the first fastener 50 can be a connecting screw, a third mounting hole is provided on the second conductive sheet 40, and the third mounting hole is preferably a conical countersunk hole, a fourth mounting hole is provided on the first conductive sheet 30, and the connecting screw passes through the third mounting hole and is threadedly engaged with the fourth mounting hole. When the cable 60 needs to be disassembled, it can be removed by removing the connecting screw. This connection method is easy to disassemble and assemble, and the cable 60 can be disassembled and assembled at any time according to actual needs, and has high flexibility.

[0042] The in-vivo connector for a cardiac implantable device disclosed in the embodiment of the utility model connects each core wire 610 to the second conductive sheet 40, and the second conductive sheet 40 is connected to the first conductive sheet 30 via a first fastener 50, so as to fix the cable. This connection method is convenient for disassembly and assembly of the cable 60, has high flexibility, and is convenient for testing, cleaning and sterilization of the in-vivo connector for a cardiac implantable device during the manufacturing process.

[0043] In some specific embodiments, a plug hole is provided on the second conductive sheet 40, and the core wire 610 is inserted and pressed into the plug hole at one end of the accommodating cavity. Figure 7 As shown, the second conductive sheet 40 includes a fixing column and a fixing ring, the fixing column is connected to the fixing ring, a fixing boss is provided on the fixing column, a jack is provided on the fixing column, and is used to install the connecting cable 60, the jack is preferably a blind hole, when connecting the cable, the core wire 610 is inserted into the corresponding jack, and it can be compressed using a compression tool. The third mounting hole is provided on the fixing ring, the third mounting hole is preferably a conical countersunk hole, the axis of the third mounting hole is perpendicular to the axis of the jack, that is, the installation direction of the first fastener 50 is perpendicular to the force direction of the core wire 610. The second conductive sheet 40 is connected to the first conductive sheet 30 by the first fastener 50, and the fixing boss abuts against the first conductive sheet 30. The cable 60 is fixed by combining mechanical crimping and the first fastener 50, and the installation direction of the first fastener 50 is perpendicular to the force direction of the core wire 610. This method can increase the tensile strength of the connection and improve the reliability of the connection of the cable 60.

[0044] In order to further improve the firmness and reliability of the connection of the cable 60, in some specific embodiments, a connector bracket 20 is provided in the accommodating cavity, and the first conductive sheet 30 is provided on the connector bracket 20. The specific connection method between the connector bracket 20 and the connector base 10 is not limited, and can adopt a connection method of a connecting piece or a snap-on method, as long as the firmness of the connection between the two can be guaranteed.

[0045] On the basis of the above embodiment, the connector base 10 is provided with a slot 12 and a boss 13. Specifically, the connector base 10 is a structure with an open top, such as Figure 4 As shown, it includes a bottom surface, a first end surface, a second end surface and an upper end surface, wherein the bottom surface and the upper end surface are arranged opposite to each other, wherein the first end surface refers to the long side of the bottom surface (i.e. Figure 2 The second end face refers to the short side of the bottom face (i.e. Figure 2 The first mounting hole is provided on the upper end face. The number of slots 12 is two, and the two slots 12 extend respectively along the width direction of the bottom face, and the two slots 12 are symmetrically arranged; the number of bosses 13 is two, and the two bosses 13 extend respectively along the length direction of the bottom face, abutting against the first end face, but not abutting against the second end face, that is, a certain distance is left between the boss 13 and the second end face, and the extension direction of the slot 12 is perpendicular to the extension direction of the boss 13. The number of connector brackets 20 is two, and they are arranged symmetrically. For any one of the connector brackets 20, the connector bracket 20 is inserted into the slot 12, and the bottom plate of the connector bracket 20 abuts against the bosses 13 on both sides. This method can ensure the firmness of the connection between the connector bracket 20 and the connector base 10.

[0046] Based on the above embodiments, Figure 5 and Figure 6 As shown, the connector bracket 20 is provided with a plurality of conductive sheet cavities for accommodating the first conductive sheet 30. Specifically, the conductive sheet cavity is an L-shaped cavity, and both ends of the L-shaped cavity are open structures. The outer end surface of the first side of the L-shaped cavity is an open structure, and the second side is a closed structure. A notch is provided near the opening of the second side, as shown in FIG. Figure 6 As shown. The first conductive sheet 30 is provided with a welding groove, which is used to weld the power line. During installation, the welding groove on the first conductive sheet 30 faces the notch side of the connector bracket 20. An insulating partition is provided between two adjacent conductive sheet cavities, and the first conductive sheet 30 is provided with a conductive sheet boss 13 that abuts against the connector bracket 20. During installation, the corresponding first conductive sheet 30 is inserted into the corresponding conductive sheet cavity so that the conductive sheet boss 13 abuts against the bottom plate of the connector bracket 20.

[0047] In order to carry the cable 60, in some embodiments, a first cable bearing bracket 11 is provided on the connector base 10. Specifically, the first cable bearing bracket 11 is connected to the cavity and is perpendicular to the first end surface. The first cable bearing bracket 11 is a semicircular bracket. A second cable bearing bracket 71 is provided on the connector end cover 70. The second cable bearing bracket 71 is a semicircular bracket and is arranged opposite to the first bearing bracket 11. When the connector end cover 70 is connected to the connector base 10, the first cable bearing bracket 11 is engaged with the second cable bearing bracket 71 to form a cable bearing bracket for carrying the cable 60. The connection area 81 of the protective cover 80 is sleeved on the cable bearing bracket.

[0048] In order to fix the protective cover 80 and the cable bearing bracket, a groove is provided on the first cable bearing bracket 11 and / or the second cable bearing bracket 71, and a protrusion matching with the groove is provided in the connecting area 81; alternatively, a protrusion is provided on the first cable bearing bracket 11 and / or the second cable bearing bracket 71, and a groove matching with the groove is provided in the connecting area 81.

[0049] Figure 2 As shown in the figure, grooves are provided on the first cable bearing bracket 11 and the second cable bearing bracket 71. When the first cable bearing bracket 11 and the second cable bearing bracket 71 are buckled together, the grooves on the two form an annular groove. The number of the annular grooves is two. An annular protrusion matching the annular groove is provided on the inner wall of the connecting area 81 of the protective cover 80. The fixing of the protective cover 80 and the cable bearing bracket can be achieved by the snap-fitting cooperation between the annular protrusion and the annular groove. The specific installation method is described below using this as an example.

[0050] The protective sleeve 80 includes a protection zone 81 and the above-mentioned connection zone 81. In some specific embodiments, the connection zone 81 is a cylindrical structure, the protection zone 82 is a conical cylinder structure, and the large end of the protection zone 82 is connected to the connection zone 81. The conical cylinder structure design can reduce the volume of the protective sleeve 80. It can be understood by those skilled in the art that the protection zone 82 can also be set to a cylindrical structure.

[0051] In order to ensure that the connector bracket 20 is in the vertical direction (i.e. Figure 2 No displacement occurs in the Z-axis direction (as shown in FIG. 1 ). In some specific embodiments, the cavity size of the connector end cover 70 is slightly smaller than the cavity size of the connector base 10. After the connector end cover 70 and the connector base 10 are connected by the second fastener 90, the lower end surface of the connector end cover 70 abuts against the upper end surface of the connector bracket 20.

[0052] The in-vivo connector for cardiac implantable devices disclosed in the embodiment of the utility model has the following installation process: insert the connector bracket 20 into the slot 12 on the connector base 10, so that the bottom plate of the connector bracket 20 abuts against the boss 13 set in the cavity; insert the first conductive sheet 30 into the conductive sheet cavity of the connector bracket 20, so that the welding groove is located outside the cavity and faces the notch side of the connector bracket 20; insert the core wire 610 into the insertion hole of the second conductive sheet 40, use a pressing tool to press, connect the second conductive sheet 40 with the first conductive sheet 30 through the first fastener 50, so that the second conductive sheet 40 is pressed against the upper end surface of the first conductive sheet 30, and at the same time, the cable 60 abuts against the first cable bearing bracket 11; then fix the connector end cover 70 to the connector base 10 through the second fastener 90, so that the second cable bearing bracket 71 is buckled with the first cable bearing bracket 11, and then the protective cover 80 is sleeved on the cable bearing bracket and the cable 60, so that the annular protrusion of the connection area 81 is clamped in the annular groove of the cable bearing bracket. The overall structure diagram of the in-vivo connector for the cardiac implant device after installation is as follows Figure 1 shown.

[0053] The in-vivo connector for a cardiac implant device disclosed in the embodiment of the utility model has a simple installation process, is easy to operate, is convenient for disassembling and assembling the cable, has high flexibility, and can ensure the connection strength of the cable 60 and the reliability of the cable connection.

[0054] In addition, an embodiment of the utility model further discloses a cardiac implant device, including an in-vivo connector for a cardiac implant device as described in the above embodiment, and thus has all the technical effects of all in-vivo connectors for cardiac implant devices.

[0055] It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0056] Unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the utility model can be understood according to specific circumstances.

[0057] As shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "a kind" and / or "the" do not refer to the singular, but also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements. The elements defined by the sentence "includes a..." do not exclude the existence of other identical elements in the process, method, commodity or device that includes the elements.

[0058] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0059] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An in vivo connector for a cardiac implant device, characterized in that: include: Connector base (10); A connector end cover (70), the connector end cover (70) being connected to the connector base (10), with a receiving cavity formed therebetween; An electrical connection assembly, comprising a first conductive sheet (30), a second conductive sheet (40) and a cable (60), wherein the first conductive sheet (30) is arranged on the connector base (10), the second conductive sheet (40) is connected to the first conductive sheet (30) via a first fastener (50), one end of the cable (60) is inserted into the accommodating cavity, and the other end extends outside the human body; the cable (60) comprises a plurality of core wires (610), each of the core wires (610) is located at one end of the accommodating cavity and is connected to the second conductive sheet (40); A protective sleeve (80), the protective sleeve (80) being sleeved on a position where the cable (60) protrudes out of the accommodating cavity.

2. The in-vivo connector for a cardiac implant device according to claim 1, characterized in that: The second conductive sheet (40) is provided with an insertion hole, the core wire (610) is located at one end of the accommodating cavity and inserted into and pressed into the insertion hole, and the axis of the insertion hole is perpendicular to the axis of the first fastener (50).

3. The in-vivo connector for a cardiac implant device according to claim 1, characterized in that: A connector bracket (20) is arranged in the accommodating cavity, and the first conductive sheet (30) is arranged on the connector bracket (20).

4. The in-vivo connector for a cardiac implant device according to claim 3, characterized in that: The connector base (10) is provided with a boss (13) and a slot (12); the connector bracket (20) is inserted into the slot (12) and abuts against the boss (13).

5. The in-vivo connector for a cardiac implant device according to claim 4, characterized in that: The connector bracket (20) is provided with a plurality of conductive sheet cavities for accommodating the first conductive sheet (30), and an insulating partition is provided between two adjacent conductive sheet cavities, and the first conductive sheet (30) is provided with a conductive sheet boss abutting against a bottom plate of the connector bracket (20).

6. The in-vivo connector for a cardiac implant device according to claim 3, characterized in that: A first cable bearing bracket (11) is arranged on the connector base (10), and a second cable bearing bracket (71) is arranged on the connector end cover (70); the first cable bearing bracket (11) and the second cable bearing bracket (71) are engaged with each other to form a cable bearing bracket for bearing the cable (60); and the connection area (81) of the protective cover (80) is sleeved on the cable bearing bracket.

7. The in-vivo connector for a cardiac implant device according to claim 6, characterized in that: The first cable bearing support (11) and / or the second cable bearing support (71) is provided with a groove, and the connection area (81) is provided with a protrusion matching the groove; or, The first cable bearing bracket (11) and / or the second cable bearing bracket (71) are provided with a protrusion, and the connection area (81) is provided with a groove matching the groove.

8. The in-vivo connector for a cardiac implant device according to claim 6, wherein: The protective sleeve (80) comprises the connecting area (81) and the protection area (82), and the protection area (82) is sleeved on the cable.

9. The in-vivo connector for a cardiac implant device according to any one of claims 3 to 8, characterized in that: The lower end surface of the connector end cover (70) abuts against the upper end surface of the connector bracket (20).

10. A cardiac implant device, comprising an in-vivo connector for a cardiac implant device, characterized in that: The in-vivo connector for a cardiac implant device is the in-vivo connector for a cardiac implant device as described in any one of claims 1-9.

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