Artificial valve delivery device

Abstract

The embodiment of the present application provides an artificial valve delivery device, which includes a valve release adjustment component, a fixing seat, and a first adjustment mechanism, wherein the valve release adjustment component includes a base, the fixing seat is mounted on the base, and the first adjustment mechanism is mounted on the base and is mutually limited with the fixing seat in a first direction, and is used to adjust the movement of the valve release adjustment component relative to the fixing seat in the first direction, wherein a first limiting portion is provided on the base, and the first limiting portion is used to limit the fixing seat in the first direction. The present application can improve the maneuverability of the artificial valve delivery device, so that the positioning of the valve release adjustment component before releasing the valve and the position of the released valve are more accurate, which is conducive to making the surgical effect of implanting an artificial valve higher, and can control the movement distance of the valve release adjustment component so that the valve release adjustment component does not extend too far into the heart tissue, which can improve the safety of the valve implantation surgery.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to an artificial valve delivery device. Background Art

[0002] The heart is a vital organ in the human body, powering blood circulation. Valves prevent blood from flowing back between the atria, ventricles, and arteries. When these valves become diseased, blood backflow may occur, affecting blood circulation.

[0003] Valvular disease can be treated by implanting an artificial valve to replace the diseased one. Among the various surgical methods for implanting an artificial valve, the use of a delivery device to introduce the prosthetic valve eliminates the need for thoracotomy, offers advantages such as minimal trauma and rapid postoperative recovery. However, current prosthetic valve delivery devices are primarily positioned manually by the physician, making maneuverability a critical performance indicator for these devices. Summary of the Invention

[0004] The problem to be solved by the present application is to provide an artificial valve delivery device with improved maneuverability.

[0005] To solve the above technical problems, this application provides the following technical solutions:

[0006] An artificial valve delivery device, comprising:

[0007] A valve release regulating component includes a base body;

[0008] A fixing seat, mounted on the base;

[0009] a first adjustment mechanism, mounted on the base and limiting the position of the first adjustment mechanism with the fixing seat in a first direction, for adjusting the movement of the valve release adjustment assembly relative to the fixing seat in the first direction;

[0010] Wherein, a first limiting portion is provided on the base, and the first limiting portion is used to limit the fixing seat in the first direction.

[0011] The present invention has the following beneficial effects:

[0012] The present invention sets a first adjustment mechanism on the base of the valve release adjustment component, so that the first adjustment mechanism can adjust the movement of the valve release adjustment component relative to the fixed seat in the first direction. Compared with the artificial valve delivery device without the first adjustment mechanism, the present invention can improve the maneuverability of the artificial valve delivery device. By adjusting the position of the valve release adjustment component in the first direction, the positioning of the valve release adjustment component before releasing the valve can be made more accurate, thereby improving the accuracy of the position of the subsequent valve release adjustment component to release the valve, which is conducive to making the surgical effect of implanting an artificial valve better. In addition, by setting a first limiting portion on the base to limit the fixed seat, the moving distance of the valve release adjustment component can be controlled, so that the valve release adjustment component will not extend too far into the heart tissue, thereby improving the safety of the valve implantation operation.

[0013] Furthermore, the artificial valve delivery device includes a first locking member used in conjunction with the fixing seat, the first locking member being used to fix the fixing seat and the base relative to each other in the circumferential direction, and when the first locking member moves along the first direction with the fixing seat until it abuts against the first limiting portion, the first limiting portion restricts the fixing seat from continuing to move.

[0014] In the above implementation process, by setting the first locking member, the fixing seat and the base can be relatively fixed in the circumferential direction, preventing the base from rotating relative to the fixing seat and causing the valve release adjustment component to move, and the first locking member can cooperate with the first limiting portion to limit the movement of the fixing seat.

[0015] Furthermore, two limiting planes are provided on the base body, and the two limiting planes are spaced apart along the circumference of the base body. The first locking member is provided with a holding opening, and the holding opening holds the two limiting planes.

[0016] In the above implementation process, two limiting planes are provided on the base, and a clamping opening is provided on the first locking member to clamp the two limiting planes, so that the first locking member can limit the rotation of the fixing seat and the base in the circumferential direction.

[0017] Furthermore, the first locking member includes a connecting arm and two limiting arms, the two limiting arms are arranged at intervals, the holding opening is formed between the two limiting arms, the connecting arm connects the two limiting arms, the two limiting arms respectively abut against the two limiting planes to limit the circumferential rotation of the fixing seat relative to the base, and the first limiting portion is a convex portion located at both ends of the limiting plane.

[0018] In the above implementation process, by setting the first locking member as a structure in which a connecting arm connects two limiting arms, a clamping opening can be formed to cooperate with the limiting plane to limit the circumferential rotation of the fixed seat and the base, and the limiting arm can also cooperate with the protrusions at both ends of the limiting plane to limit the movement of the fixed seat. The structure of the first locking member is simple and the reliability of achieving limitation is high.

[0019] Furthermore, the base is provided with an external thread for threaded connection with the first adjusting mechanism, the limiting plane is formed by smoothing the external thread, and the convex portion is a part of the external thread.

[0020] In the above implementation process, the limiting plane is formed by smoothing the external thread of the base, and the external thread portion is used as a convex portion, so that the preparation process of the base is simple and the reliability of the limiting is high.

[0021] Furthermore, a first through hole is formed on the fixing seat, and the first locking piece passes through the first through hole.

[0022] In the above implementation process, a first through hole is formed on the fixing seat, so that the first locking member can pass through the first through hole to cooperate with the limiting plane and the protrusion, and the preparation process of the fixing seat is simple.

[0023] Furthermore, at least a portion of the connecting arm is accommodated in the first through hole, and an outer surface of the connecting arm is coplanar with an outer surface of the fixing seat.

[0024] In the above implementation process, by making the outer surface of the connecting arm coplanar with the outer surface of the fixing seat, the outer surface of the fixing seat can be made smoother, and it is convenient to subsequently arrange other components outside the fixing seat.

[0025] Furthermore, the first adjustment mechanism includes an adjustment knob, which is sleeved on the base and threadedly connected to the base, and the adjustment knob and the fixing seat limit each other in the first direction.

[0026] In the above implementation process, the adjusting knob is threadedly connected to the base and is mutually limited with the fixing seat in the first direction, so that the adjusting knob can rotate relative to the base to drive the fixing seat to move relative to the base in the first direction, and the thread adjustment accuracy is high.

[0027] Furthermore, the artificial valve delivery device also includes a second locking member, and the adjusting knob and the fixing seat are limited in the first direction by the second locking member. The second locking member cooperates with the fixing seat and the adjusting knob to limit the position, so that the adjusting knob can rotate relative to the fixing seat around the first direction to drive the valve release adjustment assembly to move along the first direction.

[0028] In the above implementation process, by setting a second locking member, the adjustment knob can be rotated around the first direction relative to the fixed seat to drive the valve release adjustment component to move along the first direction. The adjustment method is simple and has high reliability, and the movement accuracy of the valve release adjustment component in the first direction is high.

[0029] Furthermore, a first limiting groove is formed on the fixing seat, a second through hole is formed on the adjusting knob, and the second through hole is opposite to the first limiting groove. The second locking member is assembled on the base through the second through hole and the first limiting groove, so that the adjusting knob is limited relative to the fixing seat in the first direction.

[0030] In the above implementation process, a first limiting groove is formed on the fixing seat and a second through hole is formed on the adjusting knob, so that the second locking piece can pass through the second through hole to cooperate with the first limiting groove, thereby realizing mutual limitation of the adjusting knob and the fixing seat in the first direction. The structure and preparation process of the adjusting knob and the fixing seat are simple.

[0031] Furthermore, the first limiting groove is an annular groove extending along the circumference of the fixing seat.

[0032] In the above implementation process, by setting the first limiting groove as an annular groove, the second locking member can rotate relative to the fixing seat when accommodated in the annular groove and can be mutually limited with the fixing seat in the first direction.

[0033] Furthermore, the valve release adjustment component includes an adjustment component and a delivery head. The adjustment component is mounted on the base, and the delivery head is connected to the adjustment component. The adjustment component can adjust the delivery head along the first direction.

[0034] In the above implementation process, by installing the adjustment component on the base and connecting the delivery head to the adjustment component, the delivery head can move along the first direction relative to the fixed seat with the base, and the adjustment component can further adjust the delivery head along the first direction, so that the implantation process of the artificial valve is more stable and the release accuracy is higher.

[0035] Furthermore, an outer tube is provided at one end of the fixing seat away from the first adjusting mechanism, the adjusting assembly includes a first inner tube and a second adjusting mechanism, the delivery head includes a first delivery part and a second delivery part, the first delivery part is located at the proximal end of the delivery head, and the second delivery part is located at the distal end of the delivery head, the first inner tube is sleeved in the outer tube, the second adjusting mechanism is installed on the base and is located on the proximal side of the first adjusting mechanism, one end of the first inner tube is connected to the second adjusting mechanism, and the other end is connected to the delivery head, and the second adjusting mechanism is used to adjust the first delivery part or the second delivery part to move along the first direction through the first inner tube.

[0036] In the above implementation process, by providing an outer tube, a first inner tube and a second adjustment mechanism, the second adjustment mechanism can drive the first inner tube to move relative to the outer tube in a first direction, thereby pushing the delivery head to move in the first direction, so that the delivery head can be separated from the outer tube, and the artificial valve accommodated in the delivery head then falls from between the delivery head and the outer tube into the heart to complete the implantation process.

[0037] Furthermore, the second adjustment mechanism includes a first adjustment handle and a first connecting piece, the first adjustment handle is sleeved outside the base, the first connecting piece is arranged in the base and is threadedly connected to the first adjustment handle, and the first connecting piece is connected to the first inner tube.

[0038] In the above implementation process, by providing the first adjustment handle and the first connecting member that are threadedly connected, the adjustment accuracy of the first adjustment handle can be higher.

[0039] Furthermore, the base is formed with a second limiting groove, and the adjustment assembly includes a third locking piece, which passes through the first adjustment handle to be accommodated in the second limiting groove, and is used to limit the first adjustment handle from moving relative to the base along the first direction.

[0040] In the above implementation process, the third locking member is provided to limit the first adjustment handle from moving in the first direction relative to the base, and the first adjustment handle can rotate relative to the base. The third locking member has a simple structure and high reliability.

[0041] Furthermore, the adjustment assembly includes a movable part, a second inner tube, a third inner tube and a third adjustment mechanism, the movable part is arranged in the second conveying part, the second inner tube is sleeved in the first inner tube, and the third inner tube is sleeved in the second inner tube. The third adjustment mechanism is installed on the base and is located on the proximal side of the second adjustment mechanism, one end of the second inner tube is connected to the movable part, and the other end is connected to the base, one end of the third inner tube is connected to the second conveying part, and the other end is connected to the third adjustment mechanism, the first inner tube is connected to the first conveying part, the second adjustment mechanism adjusts the first conveying part to move along the first direction through the first inner tube, and the third adjustment mechanism adjusts the second conveying part to move along the first direction through the third inner tube.

[0042] In the above implementation process, by arranging the movable part, the second inner tube, the third inner tube and the third adjusting mechanism to cooperate with the outer tube, the first inner tube and the second adjusting mechanism, after the second adjusting mechanism pulls at least part of the first conveying part back to the outer tube through the first inner tube, the second conveying part can be further pushed away from the movable part through the third adjusting mechanism, so that the artificial valve is completely detached from the delivery head, which can make the implantation reliability of the artificial valve higher.

[0043] Furthermore, the third adjustment mechanism includes a second adjustment handle and a second connecting piece, the second adjustment handle is sleeved outside the base, the second connecting piece is arranged in the base and threadedly connected to the second adjustment handle, and the second connecting piece is connected to the third inner tube.

[0044] In the above implementation process, by providing the second adjustment handle and the second connecting member which are threadedly connected, the adjustment accuracy of the second adjustment handle can be higher.

[0045] Furthermore, the base is formed with a third limiting groove, and the adjustment assembly includes a fourth locking piece, which passes through the second adjustment handle to be accommodated in the third limiting groove, and is used to limit the second adjustment handle from moving relative to the base along the first direction.

[0046] In the above implementation process, the fourth locking member is provided to limit the second adjustment handle from moving relative to the base along the first direction, and the second adjustment handle can rotate relative to the base. The fourth locking member has a simple structure and high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments of the present application. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0048] Figure 1 This is a schematic diagram of the three-dimensional structure of an artificial valve delivery device provided in an embodiment of the present application;

[0049] Figure 2 1 is a schematic cross-sectional view of an artificial valve delivery device provided in an embodiment of the present application;

[0050] Figure 3 This is a partial structural exploded schematic diagram of an artificial valve delivery device provided in an embodiment of the present application;

[0051] Figure 4 This is a partial structural exploded schematic diagram of an artificial valve delivery device provided in an embodiment of the present application;

[0052] Figure 5 This is a partial structural exploded schematic diagram of an artificial valve delivery device provided in an embodiment of the present application;

[0053] Figure 6 This is a schematic diagram of the three-dimensional structure of a base body of an artificial valve delivery device provided in an embodiment of the present application;

[0054] Figure 7 This is a partial structural exploded schematic diagram of an artificial valve delivery device provided in an embodiment of the present application;

[0055] Figure 8 This is a partially enlarged schematic diagram of a portion of the structure of an artificial valve delivery device provided in an embodiment of the present application;

[0056] Figure 9 This is a comparative schematic diagram of the release state of an artificial valve delivery device provided in an embodiment of the present application.

[0057] Icons: 10-artificial valve delivery device; 100-valve release adjustment component; 110-base; 111-first limiting portion; 112-limiting plane; 113-external thread; 114-first accommodating groove; 115-second limiting groove; 116-second accommodating groove; 117-third limiting groove; 120-adjustment component; 121-first inner tube; 122-second adjustment mechanism; 1221-first adjustment handle; 1222-first connecting member; 123-third locking member; 124-movable member; 125-second inner tube; 126-third Inner tube; 127-third adjustment mechanism; 1271-second adjustment handle; 1272-second connecting piece; 128-fourth locking piece; 130-delivery head; 131-first delivery portion; 1311-first accommodating chamber; 132-second delivery portion; 1321-second accommodating chamber; 200-fixing seat; 210-first through hole; 220-first limiting groove; 230-outer tube; 300-first adjustment mechanism; 310-second through hole; 410-first locking piece; 411-connecting arm; 412-limiting arm; 420-second locking piece. DETAILED DESCRIPTION

[0058] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0059] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. At the same time, in the description of this application, the terms "first", "second", etc. are only used to distinguish the description and should not be understood as indicating or implying relative importance.

[0060] In the embodiment of the present application, the distal end is the end away from the operator, and the proximal end is the end close to the operator.

[0061] Please see Figures 1 to 3 , Figure 1 This is a schematic diagram of the three-dimensional structure of an artificial valve delivery device provided in an embodiment of the present application. Figure 2 This is a schematic cross-sectional view of an artificial valve delivery device provided in an embodiment of the present application. Figure 3 A schematic diagram of partial structural decomposition of an artificial valve delivery device provided in an embodiment of the present application.

[0062] The artificial valve delivery device 10 includes a valve release adjustment component 100, a fixing seat 200 and a first adjustment mechanism 300. The valve release adjustment component 100 includes a base 110, the fixing seat 200 is installed on the base 110, and the first adjustment mechanism 300 is installed on the base 110, and is mutually limited with the fixing seat 200 in the first direction X, and is used to adjust the movement of the valve release adjustment component 100 relative to the fixing seat 200 in the first direction X, wherein a first limiting portion 111 is provided on the base 110, and the first limiting portion 111 is used to limit the fixing seat 200 in the first direction X.

[0063] Since the limiting effect in the limiting structure is mutual, the valve release and adjustment component 100 and the fixing seat 200 can achieve mutual limiting, so the limiting refers to limiting the moving distance of the valve release and adjustment component 100 in the first direction X.

[0064] The present invention sets a first adjustment mechanism 300 on the base 110 of the valve release adjustment component 100, so that the first adjustment mechanism 300 can adjust the movement of the valve release adjustment component 100 relative to the fixing seat 200 in the first direction. Compared with the artificial valve delivery device 10 without the first adjustment mechanism 300, the present invention can improve the maneuverability of the artificial valve delivery device 10. By adjusting the position of the valve release adjustment component 100 in the first direction X, the positioning of the valve release adjustment component 100 before releasing the valve can be made more accurate, thereby improving the accuracy of the position of the subsequent valve release adjustment component 100 releasing the valve, which is conducive to making the surgical effect of implanting the artificial valve 20 better. In addition, by setting a first limiting portion 111 on the base 110 to limit the fixing seat 200, the moving distance of the valve release adjustment component 100 can be controlled, so that the valve release adjustment component 100 will not extend too far into the heart tissue, thereby improving the safety of the valve implantation surgery.

[0065] In some embodiments, the artificial valve delivery device 10 includes a first locking member 410 used in conjunction with the fixing seat 200, and the first locking member 410 is used to fix the fixing seat 200 and the base 110 relative to each other in the circumferential direction, and when the first locking member 410 moves along the first direction X with the fixing seat 200 to abut against the first limiting portion 111, the first limiting portion 111 restricts the fixing seat 200 from continuing to move.

[0066] By setting the first locking member 410, the fixing seat 200 and the base 110 can be relatively fixed in the circumferential direction, preventing the base 110 from rotating relative to the fixing seat 200 and causing the valve release adjustment component 100 to move, and the first locking member 410 can cooperate with the first limiting portion 111 to limit the movement of the fixing seat 200.

[0067] In other embodiments, the first locking member 410 and the fixing base 200 may be integrally formed.

[0068] Please also refer to Figures 4 to 6 , Figure 4 This is a partial structural exploded diagram of an artificial valve delivery device provided in an embodiment of the present application. Figure 5 This is a partial structural exploded diagram of an artificial valve delivery device provided in an embodiment of the present application. Figure 6 A schematic diagram of the three-dimensional structure of a base body of an artificial valve delivery device provided in an embodiment of the present application. In some embodiments, base body 110 is provided with two limiting planes 112, which are spaced apart along the circumference of base body 110. A first locking member 410 is provided with a retaining opening, which retains the two retaining planes 112.

[0069] By providing two limiting planes 112 on the base 110 and providing a clamping opening on the first locking member 410 to clamp the two limiting planes 112 , the first locking member 410 can limit the rotation of the fixing seat 200 and the base 110 in the circumferential direction.

[0070] In another embodiment, only one limiting plane 112 may be provided on the base 110 to cooperate with the first locking member 410 to limit the base 110 and the fixing seat 200 in the circumferential direction of the base 110 .

[0071] In some embodiments, the first locking member 410 includes a connecting arm 411 and two limiting arms 412. The two limiting arms 412 are arranged at intervals, and a clamping opening is formed between the two limiting arms 412. The connecting arm 411 connects the two limiting arms 412. The two limiting arms 412 respectively abut against the two limiting planes 112 to limit the circumferential rotation of the fixing seat 200 relative to the base 110. The first limiting portion 111 is a convex portion located at both ends of the limiting plane 112.

[0072] By setting the first locking piece 410 as a structure in which a connecting arm 411 connects two limiting arms 412, a clamping opening can be formed to cooperate with the limiting plane 112 to limit the circumferential rotation of the fixing seat 200 and the base 110. The limiting arm 412 can also cooperate with the protrusions at both ends of the limiting plane 112 to limit the movement of the fixing seat 200. The structure of the first locking piece 410 is simple and the reliability of achieving limitation is high.

[0073] In other embodiments, two structures may be used to respectively achieve mutual limitation between the fixing seat 200 and the base 110 in the circumferential direction and in the first direction X. For example, a groove (not shown in the figure) extending through the base 110 along the first direction X may be formed, and a protrusion (not shown in the figure) may be provided on the fixing seat 200. The protrusion may be accommodated in the groove to limit the fixing seat 200 in the circumferential direction of the base 110. At the same time, a sliding groove (not shown in the figure) extending along the first direction X may be provided on the base 110, and a slider (not shown in the figure) may be provided on the fixing seat 200. The slider may only slide in the sliding groove to achieve mutual limitation between the fixing seat 200 and the base 110 in the first direction X.

[0074] In some embodiments, the base 110 is provided with an external thread 113 for threaded connection with the first adjustment mechanism 300 , the limiting plane 112 is formed by smoothing the external thread 113 , and the convex portion is part of the external thread 113 .

[0075] The limiting plane 112 is formed by smoothing the external thread 113 of the base 110 and using a portion of the external thread 113 as a convex portion, so that the preparation process of the base 110 is simple and the reliability of achieving limiting is high.

[0076] In some embodiments, a first through hole 210 is formed on the fixing base 200 , and the first locking member 410 passes through the first through hole 210 .

[0077] A first through hole 210 is formed on the fixing seat 200 so that the first locking member 410 can pass through the first through hole 210 to cooperate with the limiting plane 112 and the first limiting portion 111 . The preparation process of the fixing seat 200 is simple.

[0078] In some embodiments, at least a portion of the connecting arm 411 is accommodated in the first through hole 210 , and an outer surface of the connecting arm 411 is coplanar with an outer surface of the fixing base 200 .

[0079] By making the outer surface of the connecting arm 411 coplanar with the outer surface of the fixing base 200 , the outer surface of the fixing base 200 can be made smoother, and it is convenient to subsequently arrange other components outside the fixing base 200 .

[0080] In some embodiments, the first adjustment mechanism 300 includes an adjustment knob, which is sleeved on the base 110 and threadedly connected to the base 110 . The adjustment knob and the fixing seat 200 are mutually limited in the first direction X.

[0081] The adjusting knob is threadedly connected to the base 110 and is mutually limited with the fixing base 200 in the first direction X, so that the adjusting knob can rotate relative to the base 110 to drive the fixing base 200 to move relative to the base 110 in the first direction X, and the thread adjustment accuracy is high.

[0082] In other embodiments, the first adjustment mechanism 300 may also include an adjustment member (not shown) slidably connected to the base 110. For example, the adjustment member may be sleeved on the base 110 and fixedly connected to the fixing base 200. The base 110 may be provided with a sliding groove extending along the first direction X, and the adjustment member may be provided with a slider that can slide in the sliding groove so that the adjustment member can drive the fixing base 200 to slide relative to the base 110 along the first direction X.

[0083] In some embodiments, the adjusting knob is sleeved on the outside of the first locking member 410 , which can make the appearance of the artificial valve delivery device 10 more regular.

[0084] In other embodiments, the adjusting knob may not cover the first locking member 410 , and the first locking member 410 may be protruding from the fixing base 200 , which is not limited here.

[0085] In some embodiments, the artificial valve delivery device 10 may further include a second locking member 420, through which the adjusting knob and the fixing seat 200 are limited in the first direction X. The second locking member 420 cooperates with the fixing seat 200 and the adjusting knob to limit the position, so that the adjusting knob can rotate relative to the fixing seat 200 around the first direction X to drive the valve release adjustment assembly 100 to move along the first direction X.

[0086] By setting a second locking member 420, the adjustment knob can rotate relative to the fixing seat 200 around the first direction X to drive the valve release adjustment component 100 to move along the first direction X. The adjustment method is simple and has high reliability, and the movement accuracy of the valve release adjustment component 100 in the first direction X is high.

[0087] In other embodiments, the first locking member 410 and the fixing base 200 may be integrally formed.

[0088] In some embodiments, a first limiting groove 220 is formed on the fixing base 200, a second through hole 310 is formed on the adjusting knob, and the second through hole 310 is opposite to the first limiting groove 220. The second locking member 420 is assembled on the base 110 through the second through hole 310 and the first limiting groove 220, so that the adjusting knob is limited relative to the fixing base 200 in the first direction X.

[0089] By forming a first limiting groove 220 on the fixing seat 200 and a second through hole 310 on the adjusting knob, the second locking member 420 can pass through the second through hole 310 to cooperate with the first limiting groove 220, thereby realizing mutual limitation of the adjusting knob and the fixing seat 200 in the first direction X. The structure and preparation process of the adjusting knob and the fixing seat 200 are simple.

[0090] In some embodiments, the first limiting groove 220 is an annular groove extending along the circumference of the fixing seat 200 .

[0091] By configuring the first limiting groove 220 as an annular groove, the second locking member 420 can rotate relative to the fixing base 200 and can be mutually limited in the first direction X with the fixing base 200 when accommodated in the annular groove.

[0092] In other embodiments, the first limiting groove 220 may also be one or more arc-shaped grooves extending along the circumference of the fixing seat 200 , which is not limited here.

[0093] Please also refer to Figure 7 , Figure 7 This is a partial exploded schematic diagram of the structure of an artificial valve delivery device provided in an embodiment of the present application. In some embodiments, the valve release adjustment assembly 100 includes an adjustment assembly 120 and a delivery head 130. The adjustment assembly 120 is mounted on a base 110, and the delivery head 130 is connected to the adjustment assembly 120. The delivery head 130 is used to accommodate the artificial valve 20 and guide the artificial valve 20 during delivery. The adjustment assembly 120 can adjust the delivery head 130 along a first direction X to release the artificial valve 20.

[0094] By installing the adjustment component 120 on the base 110 and connecting the delivery head 130 to the adjustment component 120, the delivery head 130 can move along the first direction X relative to the fixed seat 200 along with the base 110, and the adjustment component 120 can further adjust the delivery head 130 along the first direction X, so that the implantation process of the artificial valve 20 is more stable and the release accuracy is higher.

[0095] Please also refer to Figure 8 , Figure 8This is a partially enlarged schematic diagram of part of the structure of an artificial valve delivery device provided in an embodiment of the present application. In some embodiments, an outer tube 230 is provided at the end of the fixed seat 200 away from the first adjustment mechanism 300, the adjustment assembly 120 includes a first inner tube 121 and a second adjustment mechanism 122, the delivery head 130 includes a first delivery portion 131 and a second delivery portion 132, the first delivery portion 131 is located at the proximal end of the delivery head 130, and the second delivery portion 132 is located at the distal end of the delivery head 130, the first inner tube 121 is sleeved in the outer tube 230, the second adjustment mechanism 122 is installed on the base 110 and is located on the proximal side of the first adjustment mechanism 300, that is, the second adjustment mechanism 122 is located at the end of the first adjustment mechanism 300 away from the delivery head 130, one end of the first inner tube 121 is connected to the second adjustment mechanism 122, and the other end is connected to the delivery head 130, the second adjustment mechanism 122 is used to adjust the first delivery portion 131 to move along the first direction X toward the base 110 or adjust the second delivery portion 132 to move along the first direction X away from the base 110 through the first inner tube 121.

[0096] By providing the outer tube 230, the first inner tube 121, and the second adjustment mechanism 122, the second adjustment mechanism 122 can drive the first inner tube 121 to move relative to the outer tube 230 along the first direction X. Specifically, the first inner tube 121 can be connected to the first conveying portion 131, and the second adjustment mechanism 122 can adjust the first conveying portion 131 to move toward the base 110 along the first direction X; or the first inner tube 121 can be connected to the second conveying portion 132, and the second adjustment mechanism 122 can adjust the second conveying portion 132 to move away from the base 110 along the first direction X. Both of the above methods can cause the second conveying portion 132 to separate from the first conveying portion 131, thereby allowing the artificial valve 20 accommodated in the delivery head 130 to fall between the first conveying portion 131 and the second conveying portion 132 into the heart, thereby completing the implantation process.

[0097] In other embodiments, the second adjustment mechanism 122 may also be located at the distal end of the first adjustment mechanism 300 , which is not limited here.

[0098] In some embodiments, the second adjustment mechanism 122 includes a first adjustment handle 1221 and a first connecting member 1222. The first adjustment handle 1221 is sleeved on the outside of the base 110. The base 110 is formed with a first accommodating groove 114 that passes through the base 110 along the radial direction of the base 110. The first connecting member 1222 is arranged in the first accommodating groove 114. The first connecting member 1222 is exposed to the base 110 and is threadedly connected to the first adjustment handle 1221. The first connecting member 1222 is connected to the first inner tube 121.

[0099] By providing the first adjustment handle 1221 and the first connecting member 1222 that are threadedly connected, the adjustment accuracy of the first adjustment handle 1221 can be increased.

[0100] In other embodiments, the second adjustment mechanism 122 may also be an adjustment member (not shown) slidably connected to the base 110. For example, the adjustment member may be sleeved on the base 110 and fixedly connected to the first inner tube 121. The base 110 may be provided with a slide groove extending along the first direction X, and the adjustment member may be provided with a slider that can slide in the slide groove so that the adjustment member can drive the first inner tube 121 to slide relative to the base 110 along the first direction X.

[0101] In some embodiments, the base 110 is formed with a second limiting groove 115, and the adjustment assembly 120 may include a third locking member 123, which passes through the first adjustment handle 1221 to be accommodated in the second limiting groove 115, and is used to limit the movement of the first adjustment handle 1221 relative to the base 110 along the first direction X.

[0102] The third locking member 123 is provided to limit the first adjustment handle 1213 from moving relative to the base 110 along the first direction X, and the first adjustment handle 1221 can rotate relative to the base 110. The third locking member 123 has a simple structure and high reliability.

[0103] In other embodiments, the third locking member 123 and the first adjustment handle 1221 may be integrally formed.

[0104] Please also refer to Figure 9 , Figure 9 A schematic diagram comparing the release states of an artificial valve delivery device provided in an embodiment of the present application. In some embodiments, the adjustment component 120 includes a movable member 124, a second inner tube 125, a third inner tube 126, and a third adjustment mechanism 127. The movable member 124 is disposed in the second delivery portion 132, the second inner tube 125 is sleeved in the first inner tube 121, the third inner tube 126 is sleeved in the second inner tube 125, the third adjustment mechanism 127 is mounted on the base 110 and is located on the proximal side of the second adjustment mechanism 122, one end of the second inner tube 125 is connected to the movable member 124, and the other end is connected to the base 110, one end of the third inner tube 126 is connected to the second delivery portion 132, and the other end is connected to the third adjustment mechanism 127, the first inner tube 121 is connected to the first delivery portion 131, and the second adjustment mechanism 122 adjusts the first delivery portion 131 to move along the first direction X toward the base 110 (as shown in FIG. 1 ). Figure 9 b), the third adjusting mechanism 127 adjusts the second conveying portion 132 to move away from the base 110 along the first direction X through the third inner tube 126 (as shown in FIG. Figure 9c). After delivery is completed, the third adjustment mechanism 127 can adjust the second delivery portion 132 via the third inner tube 126 to move toward the base 110 along the first direction X, and the second adjustment mechanism 122 can adjust the first delivery portion 131 via the first inner tube 121 to move away from the base 110 along the first direction X, thereby restoring the artificial valve delivery device 10.

[0105] By arranging the movable part 124, the second inner tube 125, the third inner tube 126 and the third adjusting mechanism 127 to cooperate with the outer tube 230, the first inner tube 121 and the second adjusting mechanism 122, after the second adjusting mechanism 122 pulls at least part of the first conveying part 131 back to the outer tube 230 through the first inner tube 121, the second conveying part 132 can be further pushed away from the movable part 124 through the third adjusting mechanism 127, so that the artificial valve 20 is completely detached from the delivery head 130, which can make the implantation reliability of the artificial valve 20 higher.

[0106] In other embodiments, the third adjustment mechanism 127 may also be located at the distal end of the second adjustment mechanism 122 , which is not limited here.

[0107] In some embodiments, the third adjustment mechanism 127 includes a second adjustment handle 1271 and a second connecting member 1272. The second adjustment handle 1271 is sleeved on the outside of the base 110. The base 110 is formed with a second accommodating groove 116 that passes through the base 110 along the radial direction of the base 110. The second connecting member 1272 is arranged in the second accommodating groove 116. The second connecting member 1272 is exposed to the base 110 and is threadedly connected to the second adjustment handle 1271. The second connecting member 1272 is connected to the third inner tube 126.

[0108] By providing the second adjustment handle 1271 and the second connecting member 1272 which are threadedly connected, the adjustment accuracy of the second adjustment handle 1271 can be increased.

[0109] In other embodiments, the third adjustment mechanism 127 may also be an adjustment member (not shown) slidably connected to the base 110. For example, the adjustment member may be sleeved on the base 110 and fixedly connected to the third inner tube 126. The base 110 may be provided with a slide groove extending along the first direction X, and the adjustment member may be provided with a slider that can slide in the slide groove so that the adjustment member can drive the third inner tube 126 to slide relative to the base 110 along the first direction X.

[0110] In some embodiments, the base 110 is formed with a third limiting groove 117, and the adjustment assembly 120 includes a fourth locking member 128, which passes through the second adjustment handle 1271 to be accommodated in the third limiting groove 117, and is used to limit the second adjustment handle 1271 from moving relative to the base 110 along the first direction X.

[0111] The fourth locking member 128 is provided to limit the second adjustment handle 1271 from moving relative to the base 110 along the first direction X, and the second adjustment handle 1271 can rotate relative to the base 110. The fourth locking member 128 has a simple structure and high reliability.

[0112] In other embodiments, the fourth locking member 128 and the second adjustment handle 1271 may be integrally formed.

[0113] In some embodiments, the first delivery portion 131 is formed with a first accommodating chamber 1311, and the second delivery portion 132 is formed with a second accommodating chamber 1321. The artificial valve 20 can be partially accommodated in the first accommodating chamber 1311 and partially accommodated in the second accommodating chamber 1321. After the first delivery portion 131 and the second delivery portion 132 are separated, the artificial valve 20 is still partially accommodated in the second accommodating chamber 1321. By providing a movable member 124 in the second delivery portion 132 and separating the movable member 124 from the second delivery portion 132, the artificial valve 20 can be further separated from the delivery head 130, thereby improving the implantation effect.

[0114] In other embodiments, the depth of one of the first accommodating chamber 1311 and the second accommodating chamber 1321 along the first direction X is smaller, or one of the first delivery portion 131 and the second delivery portion 132 is not provided with an accommodating chamber, and the main portion or the entirety of the artificial valve 20 is accommodated in one of the first accommodating chamber 1311 and the second accommodating chamber 1321. The adjustment assembly 120 may not be provided with the movable member 124, the second inner tube 125, the third inner tube 126, and the third adjustment mechanism 127, and adjustment may be performed directly through the second adjustment mechanism 122 and the first inner tube 121. For example, if only the first accommodating chamber 1311 is provided, the second adjustment mechanism 122 drives the first delivery portion 131 to move and separate from the second delivery portion 132 via the first inner tube 121. For another example, if only the second accommodating chamber 1321 is provided, the second adjustment mechanism 122 drives the second delivery portion 132 to move and separate from the first delivery portion 131 via the first inner tube 121, thereby allowing the artificial valve 20 to fully fall into the heart.

[0115] The foregoing is merely an embodiment of the present application and is not intended to limit the scope of protection of the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined or explained in subsequent figures.

[0116] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

[0117] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

Claims

1. An artificial valve delivery device, characterized in that: include: The valve release regulating assembly comprises a base body, on which a first limiting portion is provided; A fixing seat, mounted on the base; a first adjustment mechanism, mounted on the base and limiting the position of the first adjustment mechanism with the fixing seat in a first direction, for adjusting the movement of the valve release adjustment assembly relative to the fixing seat in the first direction; a first locking member, used in conjunction with the fixing seat, for fixing the fixing seat and the base relative to each other in the circumferential direction, and when the first locking member moves along the fixing seat along the first direction until it abuts against the first limiting portion, the first limiting portion restricts the fixing seat from further movement; Wherein, the base is provided with two limiting planes, which are spaced apart along the circumference of the base, and the first locking member is provided with a clamping opening, which clamps the two limiting planes; The first locking member includes a connecting arm and two limiting arms, the two limiting arms are spaced apart, the holding opening is formed between the two limiting arms, the connecting arm connects the two limiting arms, the two limiting arms respectively abut against the two limiting planes to limit the circumferential rotation of the fixing seat relative to the base, and the first limiting portion is a convex portion located at both ends of the limiting plane; The base is provided with an external thread for threaded connection with the first adjusting mechanism, the limiting plane is formed by smoothing the external thread, and the convex portion is a part of the external thread.

2. The artificial valve delivery device according to claim 1, characterized in that: A first through hole is formed on the fixing seat, and the first locking piece passes through the first through hole.

3. The artificial valve delivery device according to claim 2, characterized in that: At least a portion of the connecting arm is accommodated in the first through hole, and an outer surface of the connecting arm is coplanar with an outer surface of the fixing seat.

4. The artificial valve delivery device according to claim 1, characterized in that: The first adjustment mechanism includes an adjustment knob, which is sleeved on the base and threadedly connected to the base. The adjustment knob and the fixing seat limit each other in the first direction.

5. The artificial valve delivery device according to claim 4, characterized in that: The artificial valve delivery device also includes a second locking member, through which the adjusting knob and the fixing seat are limited in the first direction. The second locking member cooperates with the fixing seat and the adjusting knob to limit the position, so that the adjusting knob can rotate relative to the fixing seat around the first direction to drive the valve release adjustment assembly to move along the first direction.

6. The artificial valve delivery device according to claim 5, characterized in that: A first limiting groove is formed on the fixing seat, a second through hole is formed on the adjusting knob, and the second through hole is opposite to the first limiting groove. The second locking member is assembled on the base through the second through hole and the first limiting groove, so that the adjusting knob is limited relative to the fixing seat in the first direction.

7. The artificial valve delivery device according to claim 6, characterized in that: The first limiting groove is an annular groove extending along the circumference of the fixing seat.

8. The artificial valve delivery device according to any one of claims 1 to 7, characterized in that: The valve release adjustment component includes an adjustment component and a delivery head. The adjustment component is installed on the base. The delivery head is connected to the adjustment component. The adjustment component can adjust the delivery head along the first direction.

9. The artificial valve delivery device according to claim 8, characterized in that: An outer tube is provided at one end of the fixing seat away from the first adjusting mechanism, the adjusting assembly includes a first inner tube and a second adjusting mechanism, the delivery head includes a first delivery part and a second delivery part, the first delivery part is located at the proximal end of the delivery head, and the second delivery part is located at the distal end of the delivery head, the first inner tube is sleeved in the outer tube, the second adjusting mechanism is installed on the base and is located on the proximal end side of the first adjusting mechanism, one end of the first inner tube is connected to the second adjusting mechanism, and the other end is connected to the delivery head, and the second adjusting mechanism is used to adjust the first delivery part or the second delivery part to move along the first direction through the first inner tube.

10. The artificial valve delivery device according to claim 9, characterized in that: The second adjustment mechanism includes a first adjustment handle and a first connecting member. The first adjustment handle is sleeved outside the base. The first connecting member is disposed in the base and is threadedly connected to the first adjustment handle. The first connecting member is connected to the first inner tube.

11. The artificial valve delivery device according to claim 10, characterized in that: The base is formed with a second limiting groove, and the adjustment assembly includes a third locking piece. The third locking piece passes through the first adjustment handle to be accommodated in the second limiting groove, and is used to limit the first adjustment handle from moving relative to the base along the first direction.

12. The artificial valve delivery device according to claim 9, characterized in that: The adjusting assembly includes a movable part, a second inner tube, a third inner tube and a third adjusting mechanism, the movable part is arranged in the second conveying part, the second inner tube is sleeved in the first inner tube, the third inner tube is sleeved in the second inner tube, the third adjusting mechanism is installed on the base and is located on the proximal side of the second adjusting mechanism, one end of the second inner tube is connected to the movable part, and the other end is connected to the base, one end of the third inner tube is connected to the second conveying part, and the other end is connected to the third adjusting mechanism, the first inner tube is connected to the first conveying part, the second adjusting mechanism adjusts the first conveying part to move along the first direction through the first inner tube, and the third adjusting mechanism adjusts the second conveying part to move along the first direction through the third inner tube.

13. The artificial valve delivery device according to claim 12, characterized in that: The third adjustment mechanism includes a second adjustment handle and a second connecting piece. The second adjustment handle is sleeved outside the base. The second connecting piece is arranged in the base and is threadedly connected to the second adjustment handle. The second connecting piece is connected to the third inner tube.

14. The artificial valve delivery device according to claim 13, characterized in that: The base is formed with a third limiting groove, and the adjustment assembly includes a fourth locking piece. The fourth locking piece passes through the second adjustment handle to be accommodated in the third limiting groove, and is used to limit the second adjustment handle from moving relative to the base along the first direction.

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