Artificial valve clamping piece and conveying system

Abstract

The utility model relates to the technical field of medical instruments, in particular to an artificial valve clamping piece and a conveying system. The artificial valve clamping piece comprises a clamping piece body, a connecting wire and a traction structure, the clamping piece body comprises a pipe body and a plurality of through holes formed in the pipe body, the pipe body is in a wave shape, and the two ends of the pipe body are closed to form a ring shape; the connecting wire penetrates into the tube body, and the end part of the connecting wire penetrates through the through hole in the tube body and then is suitable for being connected with the artificial valve; the traction structure comprises a traction wire, the traction wire is arranged in the pipe body in a penetrating mode through a through hole in the pipe body, and the traction wire is suitable for being connected with a conveying system. The clamping piece is of a periodic wave-shaped or fluctuating annular structure, can be fixed to the periphery of the outer surface of the artificial valve, can be radially compressed and expanded according to the size of the internal artificial valve, and is matched with the artificial valve to clamp the autologous valve leaflet, so that the artificial valve can be stably anchored at an accurate position without displacement, and meanwhile, the clamping piece can be used for clamping the autologous valve leaflet. The clamping device can reduce the occurrence risk of perivalvular leakage.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to an artificial valve clamping device and delivery system. Background Technology

[0002] Aortic valve disease is a heart condition that is common in middle-aged and elderly people. There are two main types of aortic valve disease:

[0003] (1) Aortic stenosis (AS): Aortic stenosis can lead to restricted blood flow due to calcification, fibrosis or increased scar tissue on the valve.

[0004] (2) Aortic regurgitation (AR): Aortic regurgitation means that the valve cannot close completely, causing blood to flow back into the left ventricle. In recent years, transcatheter aortic valve replacement (TAVR) has become the main treatment for aortic stenosis (AS) in the elderly both domestically and internationally due to its advantages of minimal invasiveness and rapid recovery. However, TAVR is not common in isolated aortic regurgitation (AR), and traditional surgical aortic valve replacement (SAVR) remains the mainstream treatment for AR. However, SAVR is not suitable for elderly patients, patients with poor physical condition, or patients with other serious diseases.

[0005] With the accumulation of experience in TAVR technology and the development of new-generation valve systems, TAVR has gradually become a treatment method for AR cases. However, TAVR surgery still presents challenges in treating regurgitation patients, such as:

[0006] (1) The artificial valve is difficult to anchor: Many artificial heart valves are anchored by a stent or frame placed in the aortic valve annulus. However, because the aortic valve leaflets of AR patients are soft and lack suitable calcified anchoring points, artificial valves with only stents or frames often face the problem of difficult valve anchoring and easy valve displacement after implantation.

[0007] (2) Paravalvular leakage is likely to occur after implantation: AR patients often have problems with aortic valve annulus and ascending aorta dilation. The treatment effect of existing artificial valves is not ideal, and problems such as paravalvular leakage are likely to occur.

[0008] (3) Risk of bouncing. Current clamping or anchoring structures generally use self-expanding nickel-titanium materials, which pose a risk of bouncing, displacement, and damage to the aortic valve due to rapid expansion when the clamping or anchoring structure is released in the body;

[0009] (4) Inability to locate the sinus independently: When performing transcatheter aortic valve replacement (TAVR), it is crucial to determine the optimal orthogonal projection of the aortic root. The ease and accuracy of locating the artificial valve relative to the surrounding structures will directly affect the difficulty of the surgery and the success rate of the surgery. Utility Model Content

[0010] In view of this, the present invention provides an artificial valve clamp to solve the problems existing in the TAVR procedure for treating patients with regurgitation in the prior art.

[0011] In a first aspect, this utility model provides an artificial valve clamping device, comprising:

[0012] The clamping component includes a tube body and several through holes provided on the tube body, wherein the tube body is wavy and the two ends of the tube body are closed to form a ring;

[0013] A connecting wire is inserted inside the tube body, and the end of the connecting wire passes through a through hole in the tube body and is adapted to be connected to the artificial valve.

[0014] A traction structure includes a traction wire that passes through a through-hole in the tube and is inserted inside the tube, and the traction wire is adapted to be connected to a conveying system.

[0015] This artificial valve clamping device features a wavy tube with closed ends forming a ring. The tube is hollow to allow the connecting wire to pass through. A through-hole is provided on the tube; during use, the end of the connecting wire passes through this hole and connects to the artificial valve, thus linking the clamping device to the valve. A traction structure includes a traction wire, also passing through the tube. The end of the traction wire exits the tube through the through-hole and connects to the delivery system, thus linking the clamping device to the delivery system. This device features a periodic wavy or undulating ring structure that can be fixed around the outer surface of the artificial valve. It radially compresses and expands according to the size of the artificial valve, clamping the valve leaflet to ensure stable anchorage and prevent displacement. Simultaneously, the clamping device reduces the risk of paravalvular leakage.

[0016] In one alternative embodiment, the tube body includes a clamping section and a transition section, the transition section being disposed at the end of the clamping member, and the tube body being bent at the transition section.

[0017] In one optional embodiment, the through hole on the tube body includes an outlet hole, an inlet hole, and a central hole. The outlet hole is located on the transition section at the outlet end of the clamping member, the inlet hole is located on the transition section at the inlet end of the clamping member, and the central hole is located on the clamping section.

[0018] This artificial valve clamping device, through its traction structure, can apply an adjustable radial force to the clamping device based on its position within the valve annulus and aorta, controlling the opening angle of the clamping device. It is flexible and controllable in function and easy to operate, thus keeping the relative position of the artificial valve unchanged. The entire release process is more reliable and controllable, and the clamping force after implantation is more closely matched with the main body of valve frame of different sizes.

[0019] In one alternative embodiment, the traction structure further includes a traction tube through which the traction wire passes and is adapted to connect to a conveying system.

[0020] In one alternative embodiment, the traction tube is a hollow tube made of polymer material.

[0021] In one alternative embodiment, the traction tube is adapted to have multiple traction wires threaded through it, and the traction tube is provided with a plurality of traction holes.

[0022] In one alternative embodiment, the traction wire is made of a single or multiple polymer material filaments.

[0023] In one alternative embodiment, the clamping member is made of shape memory alloy wire, with a central hole being a fan-shaped opening protruding from the clamping section, through which the traction wire and the connecting wire pass;

[0024] Alternatively, the clamping section of the clamping member can be widened on both sides to form a widened section, with the central hole located in the middle of the widened section.

[0025] A delivery system for the aforementioned artificial valve clamping device, comprising:

[0026] Balloon catheter;

[0027] A balloon is placed at the distal end of the balloon catheter, and an artificial valve is fitted onto the balloon.

[0028] An artificial valve clamp is fitted onto the balloon catheter and is connected to the artificial valve.

[0029] The tip is fixed to the distal end of the balloon catheter.

[0030] In one alternative embodiment, the clamping member of the artificial valve clamping device is placed in series with the artificial valve.

[0031] In one alternative embodiment, the artificial valve holder is positioned overlapping the artificial valve.

[0032] The artificial valve clamping and delivery system provided by this utility model has the following advantages:

[0033] 1. The present invention provides an artificial valve clamping device, comprising a clamping device, a connecting wire, and a traction structure. The clamping device includes a tube body and a plurality of through holes disposed on the tube body. The tube body is wavy and the two ends of the tube body are closed to form a ring. The connecting wire passes through the tube body and the end of the connecting wire passes through the through hole on the tube body and is adapted to connect with the artificial valve. The traction structure includes a traction wire, which passes through the through hole on the tube body and is adapted to connect with a delivery system.

[0034] This artificial valve clamping device features a wavy tube with closed ends forming a ring. The tube is hollow to allow the connecting wire to pass through. A through-hole is provided on the tube; during use, the end of the connecting wire passes through this hole and connects to the artificial valve, thus linking the clamping device to the valve. A traction structure includes a traction wire, also passing through the tube. The end of the traction wire exits the tube through the through-hole and connects to the delivery system, thus linking the clamping device to the delivery system. This device features a periodic wavy or undulating ring structure that can be fixed around the outer surface of the artificial valve. It radially compresses and expands according to the size of the artificial valve, clamping the valve leaflet to ensure stable anchorage and prevent displacement. Simultaneously, the clamping device reduces the risk of paravalvular leakage.

[0035] 2. The present invention provides an artificial valve clamping component, wherein the through hole on the tube body includes an outflow hole, an inflow hole, and a central hole. The outflow hole is located on the transition section at the outflow end of the clamping component, the inflow hole is located on the transition section at the inflow end of the clamping component, and the central hole is located on the clamping section. The traction structure also includes a traction tube, and the traction wire passes through the traction tube and is adapted to be connected to the delivery system.

[0036] The clamping device is placed in series with the artificial valve, with the artificial valve located proximally and the clamping device located distally. The clamping device has an outflow hole and an inflow hole. A connecting wire passes through the inflow hole of the clamping device and connects to the artificial valve. A traction wire passes through the outflow hole of the clamping device, is encased inside the traction tube, and connects to the delivery system. Alternatively, the clamping device and the artificial valve are placed overlapping, with the artificial valve located proximally and the clamping device located distally. The clamping device has an outflow hole and a central hole. A connecting wire passes through the central hole of the clamping device and connects to the artificial valve. A traction wire passes through the outflow hole of the clamping device, is encased inside the traction tube, and connects to the delivery system.

[0037] This artificial valve clamping device, through its traction structure, can apply an adjustable radial force to the clamping device based on its position within the valve annulus and aorta, controlling the opening angle of the clamping device. It is flexible and controllable in function and easy to operate, thus keeping the relative position of the artificial valve unchanged. The entire release process is more reliable and controllable, and the clamping force after implantation is more closely matched with the main body of valve frame of different sizes. Attached Figure Description

[0038] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0039] Figure 1 This is a front view of the clamping member provided in an embodiment of the present invention;

[0040] Figure 2 This is a first unfolded cross-sectional view of the clamping member provided in an embodiment of the present utility model;

[0041] Figure 3 This is a second unfolded cross-sectional view of the clamping member provided in an embodiment of the present invention;

[0042] Figure 4 This is a third unfolded cross-sectional view of the clamping member provided in an embodiment of the present invention;

[0043] Figure 5 This is a schematic diagram of the clamping member in a gripping state provided in an embodiment of this utility model;

[0044] Figure 6 This is a schematic diagram of the first combination of the clamping member and the artificial valve provided in the embodiments of this utility model;

[0045] Figure 7 This is a schematic diagram of a second combination of the clamping member and the artificial valve provided in an embodiment of the present invention;

[0046] Figure 8 This is a schematic diagram of a third combination of the clamping member and the artificial valve provided in an embodiment of the present invention;

[0047] Figure 9 This is a schematic diagram of the clamping member and the artificial valve clamping the autologous valve leaflet provided in an embodiment of the present invention.

[0048] Explanation of reference numerals in the attached figures:

[0049] 1-Clamping component; 11-Clamping section; 12-Transition section; 13-Outlet hole; 14-Inlet hole; 15-Center hole;

[0050] 2-Connecting wire;

[0051] 3-Traction structure; 31-Traction wire; 32-Traction tube; 33-Traction hole;

[0052] 4-Balloon catheter;

[0053] 5-Balloon;

[0054] 6-Tip header;

[0055] 7- Artificial valve;

[0056] 8-Autologous valve leaflets. Detailed Implementation

[0057] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0058] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0059] For ease of explanation in this embodiment, the end closer to the heart is defined as the proximal end, and the end farther from the heart is defined as the distal end.

[0060] Example

[0061] Aortic valve disease is a heart condition that is common in middle-aged and elderly people. There are two main types of aortic valve disease:

[0062] (1) Aortic stenosis (AS): Aortic stenosis can lead to restricted blood flow due to calcification, fibrosis or increased scar tissue on the valve.

[0063] (2) Aortic regurgitation (AR): Aortic regurgitation means that the valve cannot close completely, causing blood to flow back into the left ventricle. In recent years, transcatheter aortic valve replacement (TAVR) has become the main treatment for aortic stenosis (AS) in the elderly both domestically and internationally due to its advantages of minimal invasiveness and rapid recovery. However, TAVR is not common in isolated aortic regurgitation (AR), and traditional surgical aortic valve replacement (SAVR) remains the mainstream treatment for AR. However, SAVR is not suitable for elderly patients, patients with poor physical condition, or patients with other serious diseases.

[0064] With the accumulation of experience in TAVR technology and the development of new-generation valve systems, TAVR has gradually become a treatment method for AR cases. However, TAVR surgery still presents challenges in treating regurgitation patients, such as:

[0065] (1) The artificial valve is difficult to anchor: Many artificial heart valves are anchored by a stent or frame placed in the aortic valve annulus. However, because the aortic valve leaflets of AR patients are soft and lack suitable calcified anchoring points, artificial valves with only stents or frames often face the problem of difficult valve anchoring and easy valve displacement after implantation.

[0066] (2) Paravalvular leakage is likely to occur after implantation: AR patients often have problems with aortic valve annulus and ascending aorta dilation. The treatment effect of existing artificial valves is not ideal, and problems such as paravalvular leakage are likely to occur.

[0067] (3) Risk of bouncing. Current clamping or anchoring structures generally use self-expanding nickel-titanium materials, which pose a risk of bouncing, displacement, and damage to the aortic valve due to rapid expansion when the clamping or anchoring structure is released in the body;

[0068] (4) Inability to locate the sinus independently: When performing transcatheter aortic valve replacement (TAVR), it is crucial to determine the optimal orthogonal projection of the aortic root. The ease and accuracy of locating the artificial valve relative to the surrounding structures will directly affect the difficulty of the surgery and the success rate of the surgery.

[0069] To address the aforementioned issues, this embodiment provides an artificial valve clamping device, comprising a clamping component 1, a connecting wire 2, and a traction structure 3. The clamping component 1 includes a tube body and several through holes disposed on the tube body. The tube body is wavy and its two ends are closed to form a ring. The connecting wire 2 passes through the tube body and its end passes through the through holes on the tube body, making it suitable for connection with the artificial valve 7. The traction structure 3 includes a traction wire 31, which passes through the through holes on the tube body and is suitable for connection with a delivery system.

[0070] Figure 1This is the front view of clamping component 1. Figure 1 As shown, the tube body is wavy and closed at both ends to form a ring. The inside of the tube body is hollow, allowing the connecting wire 2 to pass through it. The tube body has a through hole; during use, the end of the connecting wire 2 passes through the through hole and connects to the artificial valve 7, thus connecting the clamping member 1 to the artificial valve 7. The traction structure 3 includes a traction wire 31, which also passes through the tube body. The end of the traction wire 31 passes through the through hole and connects to the delivery system, thus connecting the clamping member 1 to the delivery system. In this embodiment, the clamping member 1 has a periodic wavy or undulating ring structure, which can be fixed around the outer surface of the artificial valve 7. It radially compresses and expands according to the size of the internal artificial valve 7, cooperating with the artificial valve 7 to clamp the autologous leaflet 8, ensuring that the artificial valve 7 is stably anchored in an accurate position without displacement. Simultaneously, the clamping device reduces the risk of paravalvular leakage.

[0071] In this embodiment, the traction wire 31 is made of one or more polymer material filaments.

[0072] In this embodiment, the tube body includes a clamping section 11 and a transition section 12. The transition section 12 is located at the end of the clamping member 1, and the tube body is bent at the transition section 12.

[0073] like Figures 1 to 4 As shown, the tube body is wavy or undulating. This tube body includes a clamping section 11 and a transition section 12. The transition section 12 is located at the end of the clamping member 1, and the tube body is bent at the transition section 12.

[0074] In this embodiment, the through hole on the tube body includes an outlet hole 13, an inlet hole 14, and a middle hole 15. The outlet hole 13 is provided on the transition section 12 at the outlet end of the clamping member 1, the inlet hole 14 is provided on the transition section 12 at the inlet end of the clamping member 1, and the middle hole 15 is provided on the clamping section 11.

[0075] In this embodiment, the clamping member 1 is made of shape memory alloy wire, and the central hole 15 is a fan-shaped opening protruding from the clamping section 11. The traction wire 31 and the connecting wire 2 pass through the fan-shaped opening.

[0076] As an alternative, the clamping section 11 of the clamping member 1 is widened on both sides to form a widened section, and the central hole 15 is located in the middle of the widened section.

[0077] In this embodiment, the traction structure 3 further includes a traction tube 32, and the traction wire 31 passes through the traction tube 32 and is adapted to be connected to the conveying system.

[0078] In one implementation, such as Figure 2 and Figure 6As shown, the clamping member 1 is placed in series with the artificial valve 7. The artificial valve 7 is located at the proximal end, and the clamping member 1 is located at the distal end. The clamping member 1 is provided with an outflow hole 13 and an inflow hole 14. The connecting wire 2 passes through the inflow hole 14 on the clamping member 1 and is connected to the artificial valve 7. The traction wire 31 passes through the outflow hole 13 on the clamping member 1, is wrapped inside the traction tube 32, and is connected to the delivery system.

[0079] In yet another implementation, such as Figure 3 and Figure 7 As shown, the clamping member 1 and the artificial valve 7 are placed overlapping, with the artificial valve 7 located at the proximal end and the clamping member 1 located at the distal end. The clamping member 1 is provided with an outflow hole 13 and a central hole 15. The connecting wire 2 passes through the central hole 15 on the clamping member 1 and is connected to the artificial valve 7. The traction wire 31 passes through the outflow hole 13 on the clamping member 1, is wrapped inside the traction tube 32, and is connected to the delivery system.

[0080] Or, such as Figure 4 In the embodiment shown, the clamping member 1 is provided with only an outlet hole 13, which passes through the tube body.

[0081] In this embodiment, the traction structure 3 can apply an adjustable radial force to the clamping member 1 according to the position of the valve annulus and the aorta, and control the opening angle of the clamping member 1. It is flexible and controllable in function and easy to operate, so that the relative position of the artificial valve 7 remains unchanged, the whole release process is more reliable and controllable, and the clamping force of the valve frame body of different specifications is more closely matched after implantation.

[0082] In this embodiment, the tube is a hollow thin tube made of medical shape memory metal material, such as nickel-titanium alloy, with a periodic wave-shaped or undulating ring structure, and the unfolded skeleton is an S-shaped curve.

[0083] In this embodiment, the connecting wire 2 is made of polymer material thread and passes through the lumen of the clamping member 1, so that the relative positional relationship between the clamping member 1 and the artificial valve 7 is consistent and more precise.

[0084] In this embodiment, the traction wire 31 can be made of a single or multiple polymer material threads, and the traction tube 32 can be a hollow tube made of polymer material. The traction tube 32 is introduced to limit the track of the traction wire 31 and prevent multiple traction wires 31 from tangling. Therefore, when the traction wire 31 is only a single thread, the traction tube 32 may not be provided. When the clamping member 1 and the artificial valve 7 are independent of each other, there is no need to provide a through hole for the connecting wire 2 to pass through on the clamping member 1. The number of traction wires 31 ≥ the number of through holes on the clamping member 1 ≥ the number of traction tubes 32, such as... Figure 8 As shown, multiple traction wires 31 are wrapped inside a traction tube 32. In this case, traction holes 33 are provided on the traction tube 32.

[0085] The artificial valve clamping device provided in this embodiment, such as Figures 5 to 9 As shown, the usage process is as follows:

[0086] During implantation, when the clamping member 1 is compressed, the whole structure will become approximately straight. The traction wire 31 passes through the through hole on the tube body and is wrapped inside the traction tube 32 to connect with the delivery system. The connecting wire 2 passes through the through hole on the tube body and is connected with the artificial valve 7. The positional relationship between the clamping member 1, the artificial valve 7 and the traction structure 3 can be, but is not limited to, the following two situations.

[0087] Scenario 1: The clamping component 1 is placed in series with the artificial valve 7, with the artificial valve 7 located at the proximal end and the clamping component 1 located at the distal end. The clamping component 1 is provided with an outflow hole 13 and an inflow hole 14. The connecting wire 2 passes through the inflow hole 14 of the clamping component 1 and connects to the artificial valve 7. The traction wire 31 passes through the outflow hole 13 of the clamping component 1, is wrapped inside the traction tube 32, and is connected to the delivery system (e.g., Figure 3 and Figure 6 (as shown);

[0088] Scenario 2: The clamping component 1 and the artificial valve 7 are placed overlapping, with the artificial valve 7 located at the proximal end and the clamping component 1 located at the distal end. The clamping component 1 is provided with an outflow hole 13 and a central hole 15. The connecting wire 2 passes through the central hole 15 of the clamping component 1 and connects to the artificial valve 7. The traction wire 31 passes through the outflow hole 13 of the clamping component 1, is wrapped inside the traction tube 32, and is connected to the delivery system (e.g., Figure 4 and Figure 7 (as shown);

[0089] Detailed operation steps:

[0090] Step 1: Puncture both femoral arteries of the patient, insert a pigtail catheter through the auxiliary approach to locate the lesion site and use it for angiography, and place a vascular sheath along the guidewire through the main approach;

[0091] Step 2: The artificial valve 7, loaded on the delivery system, is inserted into the vascular sheath along the guidewire and passes through the hemostatic valve under the protection of the sheath.

[0092] Step 3: Push the balloon catheter 4 to allow the artificial valve 7 to cross the valve. When the clamp 1 reaches the lesion location, pull the traction structure 3 to gradually release the clamp 1 from the compressed state. During this process, the positional relationship between the sinus anatomy and the clamp 1 is observed with the aid of angiography and ultrasound images to allow the clamp 1 to autonomously fix the sinus.

[0093] Step 4: After the sinus fixation is completed, the clamp 1 finally returns to the "ring structure" state and is released on the periphery of the autologous leaflet 8. Its diameter changes from the small size when it is gripped to the unfolded diameter that adapts to the size of the valve ring, providing an anchoring area for the implantation of the artificial valve 7.

[0094] Step 5: In rapid pacing mode, balloon 5 compresses and releases artificial valve 7. Both clamping member 1 and artificial valve 7 are in a fully expanded state. The two work together to clamp autologous leaflet 8. Clamping member 1 can seal the entire periosteum.

[0095] Step 6: Withdraw the delivery system to complete the implantation of the artificial valve 7;

[0096] The artificial valve 7 mentioned above can be either a balloon-expandable valve or a self-expanding valve.

[0097] Example 2

[0098] This embodiment provides a delivery system for delivering the artificial valve clamping device from Embodiment 1. The system includes a balloon catheter 4, a balloon 5, a tip 6, and the artificial valve clamping device. The balloon 5 is placed at the distal end of the balloon catheter 4, and an artificial valve 7 is fitted onto the balloon 5. The artificial valve clamping device is fitted onto the balloon catheter 4 and connected to the artificial valve 7. The tip 6 is fixed at the distal end of the balloon catheter 4.

[0099] In this embodiment, the clamping member 1 and the artificial valve 7 are placed in series in the artificial valve clamping device. Alternatively, the clamping member 1 and the artificial valve 7 are placed overlapping in the artificial valve clamping device.

[0100] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A prosthetic valve holder, characterized by, include: The clamping member (1) includes a tube body and several through holes provided on the tube body. The tube body is wavy and the two ends of the tube body are closed to form a ring. A connecting wire (2) is inserted inside the tube body. The end of the connecting wire (2) passes through the through hole on the tube body and is adapted to be connected to the artificial valve (7). The traction structure (3) includes a traction wire (31) which passes through a through hole in the tube and is installed inside the tube. The traction wire (31) is adapted to be connected to the conveying system.

2. The prosthetic valve holder of claim 1, wherein, The tube body includes a clamping section (11) and a transition section (12), the transition section (12) being located at the end of the clamping member (1), and the tube body being bent at the transition section (12).

3. The prosthetic valve holder of claim 2, wherein, The through hole on the tube body includes an outlet hole (13), an inlet hole (14), and a middle hole (15). The outlet hole (13) is located on the transition section (12) at the outlet end of the clamping member (1), the inlet hole (14) is located on the transition section (12) at the inlet end of the clamping member (1), and the middle hole (15) is located on the clamping section (11).

4. The prosthetic valve holder of claim 1, wherein, The traction structure (3) further includes a traction tube (32), through which the traction wire (31) passes and is adapted to be connected to the conveying system.

5. The prosthetic valve holder of claim 4, wherein, The traction tube (32) is a hollow tube made of polymer material.

6. The prosthetic valve holder of claim 4, wherein, The traction tube (32) is adapted to have multiple traction wires (31) threaded through it, and the traction tube (32) is provided with several traction holes (33).

7. The prosthetic valve holder of claim 1, wherein, The traction wire (31) is made of one or more polymer material filaments.

8. The prosthetic valve holder of claim 3, wherein, The clamping member (1) is made of shape memory alloy wire, and the central hole (15) is a fan-shaped hole protruding from the clamping section (11). The traction wire (31) and the connecting wire (2) pass through the fan-shaped hole. Alternatively, the clamping section (11) of the clamping member (1) can be widened on both sides to form a widened section, and the central hole (15) is located in the middle of the widened section.

9. A delivery system for delivering the prosthetic valve holder of any one of claims 1-8, characterized in that, include: Balloon catheter (4); A balloon (5) is placed at the distal end of the balloon catheter (4), and an artificial valve (7) is fitted on the balloon (5); An artificial valve clamp is fitted onto the balloon catheter (4), and the artificial valve clamp is connected to the artificial valve (7); Tip (6) is fixed at the distal end of the balloon catheter (4).

10. The delivery system of claim 9, wherein, The clamping member (1) in the artificial valve clamping member is placed in series with the artificial valve (7); Alternatively, the clamping member (1) of the artificial valve clamping member may be placed overlapping the artificial valve (7).

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