A device for placing an anchor in annular tissue

Abstract

Embodiments of the present application relate to the field of implantable prostheses, and particularly to a device suitable for setting an anchor on annular tissue. The device suitable for setting an anchor on annular tissue provided by embodiments of the present application can drive the anchor driving assembly and the anchor fixing assembly to move simultaneously by mounting the anchor driving assembly and the anchor fixing assembly on the mounting member respectively, so as to reduce the difficulty of driving the anchor driving assembly and the anchor fixing assembly to move. Meanwhile, the first shell is arranged to be capable of observing the movement distance of the anchor driving assembly and the anchor fixing assembly from the outside of the first shell, so as to facilitate adjusting the movement distance of the anchor driving assembly and the anchor fixing assembly, and to realize accurate control of the movement of the anchor driving assembly and the anchor fixing assembly.

Description

Technical Field

[0001] Embodiments of this application relate to the field of implantable prostheses, and more specifically to a device suitable for placing anchors on valve annulus tissue. Background Technology

[0002] The statements herein are provided merely as background information in connection with this application and do not necessarily constitute prior art.

[0003] Mitral regurgitation is a common heart valve disorder. Patients with mitral regurgitation may experience various symptoms of weakness, and if left untreated, it can even lead to death. Therefore, it is necessary to treat mitral regurgitation appropriately.

[0004] Currently, appropriate repair devices are typically used to screw anchors into the annular tissue of the heart valve to repair the annular tissue and treat mitral regurgitation. However, there are still many problems in the process of screwing anchors into the annular tissue using appropriate repair devices. Summary of the Invention

[0005] A brief overview of this application is provided below to offer a basic understanding of certain aspects thereof. It should be understood that this overview is not an exhaustive summary of the application. It is not intended to identify key or essential parts of the application, nor is it intended to limit its scope. Its purpose is merely to present certain concepts in a simplified form as a prelude to the more detailed description that follows.

[0006] To address the aforementioned issues, embodiments of this application provide a device suitable for placing anchors on annular tissue.

[0007] The apparatus provided in this application for placing anchors on annular tissue includes a first housing, an anchor driving assembly, an anchor fixing assembly, an adjusting member, and a mounting member. The adjusting member is configured to penetrate the mounting member and is movably mounted on the first housing. The adjusting member is fixedly connected to the mounting member and can drive the mounting member to move along the direction of extension of the adjusting member. The anchor driving assembly extends through the first housing and drives the anchor into the annular tissue. The anchor fixing assembly extends through the first housing and fixes the anchor into the annular tissue. The anchor driving assembly and the anchor fixing assembly are respectively mounted on the mounting member. Movement of the mounting member along the direction of extension of the adjusting member can drive movement of the anchor driving assembly and the anchor fixing assembly. The first housing is configured such that the distance moved by the anchor driving assembly and the anchor fixing assembly can be observed from the outside of the first housing.

[0008] The apparatus provided in this application for placing anchors on the annular tissue comprises an anchor driving component and an anchor fixing component respectively mounted on a mounting member. This allows the movement of the mounting member to simultaneously move both the anchor driving component and the anchor fixing component, eliminating the need to move either component separately. This reduces the difficulty of moving the anchor driving component and the anchor fixing component and improves their efficiency. Furthermore, by configuring the first housing to allow observation of the distance moved by the anchor driving component and the anchor fixing component from the outside, the distance of anchor movement can be adjusted, thereby facilitating precise control of the anchor's entry point into the annular tissue. Attached Figure Description

[0009] Other objects and advantages of this application will become apparent from the following description of embodiments of this application with reference to the accompanying drawings, and will help to provide a comprehensive understanding of this application.

[0010] Figure 1 This is a schematic diagram of a device for placing anchors on annular tissue, provided by an embodiment of this application.

[0011] Figure 2 yes Figure 1 The diagram shows the structure of the anchor drive assembly, anchor fixing assembly, and mounting components after assembly.

[0012] Figure 3 yes Figure 1 The diagram shows the structure of the anchor fixing assembly, adjustment parts, and mounting parts after assembly.

[0013] Figure 4 yes Figure 2 The diagram shows the structure of the regulating housing.

[0014] Figure 5 yes Figure 1 A magnified view of region A in the diagram.

[0015] Figure 6 yes Figure 5 The diagram shows a cross-sectional view of the assembled wire winding component, anti-loosening component, anti-loosening limiting component, and anchor fastener.

[0016] Explanation of reference numerals in the attached figures:

[0017] 100. A device suitable for placing anchors in annular tissue; 1001. Anchor;

[0018] 10. First housing; 11. Mounting housing; 12. Observation housing; 120. Observation window; 13. Auxiliary housing;

[0019] 20. Anchor drive assembly; 21. Anchor drive component; 211. Drive body; 212. Anchor drive unit;

[0020] 22. Driving component adjustment parts;

[0021] 221. Drive component adjustment section; 222. Drive component mounting section; 2221. First part; 2222. Second part;

[0022] 23. Bending control component; 231. Second housing; 2310. First mating part;

[0023] 232. Bending control part; 233. Bending control limiting part; 2330. Second mating part;

[0024] 24. Drive control component; 241. Adjustment housing; 2411. Axial groove; 2412. Radial groove;

[0025] 242. Adjusting handle; 243. Adjusting limit piece;

[0026] 25. Positioning and adjusting parts; 250. Positioning pins;

[0027] 30. Anchor bolt fixing assembly; 31. Anchor bolt fastener; 32. Fixing and mounting components;

[0028] 33. Limiting component; 331. Connecting part; 332. Limiting part; 333. Limiting mating part;

[0029] 40. Adjustment parts; 50. Mounting parts;

[0030] 60. Locking wire assembly; 61. Locking wire; 62. Locking wire component; 6201. Locking hole; 6202. Guide hole;

[0031] 70. Wire winding component; 71. Wire winding section; 710. Wire winding hole; 72. Wire winding limiting fitting part; 721. Extension section; 722. Connecting section; 73. Anti-rotation fitting part;

[0032] 80. Anti-loosening component; 81. Anti-loosening body; 8101. Receiving cavity; 8102. Relief part;

[0033] 82. Anti-loosening limiting part; 820. Passageway;

[0034] 90. Anti-loosening limit component; 901. Anti-rotation component.

[0035] It should be noted that the accompanying drawings are not necessarily drawn to scale, but are shown only in a schematic manner without affecting the reader's understanding. Detailed Implementation

[0036] Exemplary embodiments of this application will be described below with reference to the accompanying drawings. For clarity and brevity, not all features of actual implementations are described in the specification. However, it should be understood that many implementation-specific decisions must be made in the development of any such actual embodiment to achieve the developer's specific goals, such as complying with constraints related to the system and business, and these constraints may vary depending on the implementation. Furthermore, it should be understood that while development work can be very complex and time-consuming, such development work is merely a routine task for those skilled in the art who benefit from the content of this application.

[0037] It should also be noted that, in order to avoid obscuring this application with unnecessary details, only the equipment structure and / or processing steps closely related to the solution according to this application are shown in the accompanying drawings, while other details that are not closely related to this application are omitted.

[0038] In related technologies, the movement distance of the anchor is usually determined based on the image obtained by ultrasound scanning, and then the position of the anchor entering the valve annulus tissue is determined. However, since the image obtained by ultrasound scanning is difficult to accurately determine the movement distance of the anchor, it is difficult to precisely control the position of the anchor entering the valve annulus tissue.

[0039] To address the aforementioned issues, embodiments of this application provide a device suitable for placing anchors on annular tissue.

[0040] See Figure 1 , Figure 1 This is a schematic diagram of the structure of a device 100 for setting an anchor 1001 on the annular tissue provided in the embodiments of this application. The device 100 (hereinafter referred to as device 100) for setting an anchor on the annular tissue provided in the embodiments of this application may include a first housing 10, an anchor driving assembly 20, an anchor fixing assembly 30, an adjusting member 40, and a mounting member 50. The adjusting member 40 is configured to penetrate the mounting member 50 and be movably mounted on the first housing 10. The adjusting member 40 is fixedly connected to the mounting member 50 and can drive the mounting member 50 to move along the direction of extension of the adjusting member 40. The anchor driving assembly 20 is configured to extend through the first housing 10 and drive the anchor 1001 into the annular tissue. The anchor fixing assembly 30 is configured to extend through the first housing 10 and fix the anchor 1001 that has entered the annular tissue to the annular tissue. The anchor driving assembly 20 and the anchor fixing assembly 30 are respectively mounted on the mounting member 50. The movement of the mounting member 50 along the direction of extension of the adjusting member 40 can drive the anchor driving assembly 20 and the anchor fixing assembly 30 to move. The first housing 10 is configured so that the distance of movement of the anchor driving assembly 20 and the anchor fixing assembly 30 can be observed from the outside of the first housing 10.

[0041] The device 100 provided in the embodiments of this application for placing anchors on the annular tissue has the anchor driving assembly 20 and the anchor fixing assembly 30 respectively mounted on the mounting member 50. This allows the anchor driving assembly 20 and the anchor fixing assembly 30 to move simultaneously by moving the mounting member 50, eliminating the need to move the anchor driving assembly 20 or the anchor fixing assembly 30 separately. This reduces the difficulty of moving the anchor driving assembly 20 and the anchor fixing assembly 30 and improves the efficiency of their movement. At the same time, by setting the first housing 10 so that the distance of movement of the anchor driving assembly 20 and the anchor fixing assembly 30 can be observed from the outside of the first housing 10, it is beneficial to observe the distance of movement of the anchor 1001. This facilitates the adjustment of the distance of movement of the anchor 1001, thereby enabling precise control of the position of the anchor 1001 entering the annular tissue.

[0042] The device 100 provided in the embodiments of this application, which is suitable for placing anchors on valve annulus tissue, can be used to repair valve annulus tissue.

[0043] In some embodiments, the anchor fixing assembly 30 is fixedly connected to the anchor 1001 to drive the anchor 1001 into the annular tissue.

[0044] In some embodiments, the number of anchor drive components 20 can be multiple, such as two, and the two anchor drive components 20 can be respectively disposed on both sides of the anchor fixing component 30.

[0045] In some embodiments, the anchor drive assembly 20, the anchor fixing assembly 30, the adjustment member 40, and the mounting member 50 are mounted on the first housing 10 along the axial direction of the first housing 10, and the mounting member 50, the anchor drive assembly 20, and the anchor fixing assembly 30 are movable along the axial direction of the first housing 10.

[0046] Adjustment component 40 is, for example, a stud.

[0047] See Figure 1 In some embodiments, the first housing 10 may include a mounting housing 11 and an observation housing 12. The mounting housing 11 is fixedly connected to the observation housing 12, the adjusting member 40 is movably mounted on the mounting housing 11, and the mounting member 50 is disposed on the mounting housing 11. The observation housing 12 is configured such that the distance of movement of the anchor drive assembly 20 and the anchor fixing assembly 30 can be observed from the outside of the observation housing 12. In such embodiments, the above configuration allows the first housing 10 to both mount the anchor drive assembly 20 and the anchor fixing assembly 30, and also allows the distance of movement of the anchor drive assembly 20 and the anchor fixing assembly 30 to be observed through the observation housing 12 of the first housing 10.

[0048] In some embodiments, the observation housing 12 may have an observation window 120, on which a scale may be provided. The anchor drive assembly 20 and the anchor fixation assembly 30 may be marked. The distance the anchor drive assembly 20 and the anchor fixation assembly 30 move is determined based on the scale and the markings. In such an embodiment, by comparing the markings with the scale, the physician can accurately and quickly obtain the distance the anchor drive assembly 20 and the anchor fixation assembly 30 move, thereby precisely controlling the repair position and improving the effectiveness of valve annulus repair.

[0049] See Figure 1 In some embodiments, the first housing 10 may further include an auxiliary housing 13 for assisting the insertion of the means 100 adapted to place the anchor 1001 on the annular tissue into the body so as to place the anchor 1001 on the annular tissue using the means 100 adapted to place the anchor 1001 on the annular tissue.

[0050] In some embodiments, the adjusting member 40 and the mounting member 50 may be threadedly connected so that when the adjusting member 40 rotates circumferentially, it can drive the mounting member 50 to move along the direction in which the adjusting member 40 extends. In such an embodiment, the threaded connection between the adjusting member 40 and the mounting member 50 allows the mounting member 50 to be moved by rotating the adjusting member 40, thereby driving the anchor drive assembly 20 and the anchor fixing assembly 30 to move; furthermore, the threaded connection between the adjusting member 40 and the mounting member 50 allows the stepwise movement of the anchor drive assembly 20 and the anchor fixing assembly 30 to be achieved by controlling the rotation of the adjusting member 40, thereby further enabling precise control of the movement of the anchor drive assembly 20 and the anchor fixing assembly 30.

[0051] See Figure 1 and Figure 2 , Figure 2 yes Figure 1 The diagram shows the assembled structure of the anchor drive assembly 20, the anchor fixing assembly 30, and the mounting member 50. In some embodiments, the anchor drive assembly 20 may include an anchor drive member 21 and a drive member adjustment member 22, which are movably connected. The anchor drive member 21 is configured to extend through the mounting housing 11 and drive the anchor 1001 into the annular tissue. The drive member adjustment member 22 is disposed on the mounting member 50. Movement of the mounting member 50 along the extension direction of the adjustment member 40 can drive the drive member adjustment member 22 to move, thereby driving the anchor drive member 21 to move. The drive member adjustment member 22 is also configured to drive the anchor drive member 21 to move along the extension direction of the drive member adjustment member 22. In such embodiments, by using the drive member adjustment member 22 to drive the anchor drive member 21, the movement distance of the anchor drive member 21 can be precisely controlled, facilitating the movement of the anchor drive member 21 to a suitable position for repair.

[0052] See Figure 2 In some embodiments, the drive member adjustment member 22 may include a drive member adjustment portion 221 and a drive member mounting portion 222. The drive member adjustment portion 221 is disposed on the mounting member 50, extending through the mounting member 50 and fixedly connected to the drive member mounting portion 222. The drive member adjustment portion 221 can drive the drive member mounting portion 222 to move along the direction of its extension. The drive member mounting portion 222 is fixedly connected to the anchor drive member 21, and its movement along the direction of the drive member adjustment portion 221 can drive the anchor drive member 21 to move. In such embodiments, this arrangement allows the anchor drive member 21 to be moved by operating the drive member adjustment portion 221, which helps reduce the difficulty of moving the anchor drive member 21.

[0053] The drive adjustment part 221 is, for example, a stud.

[0054] In some embodiments, the drive member adjusting part 221 and the drive member mounting part 222 may be threadedly connected so that when the drive member adjusting part 221 rotates circumferentially, it can drive the drive member mounting part 222 to move along the direction in which the drive member adjusting part 221 extends. In such an embodiment, the above arrangement enables the stepping movement of the anchor drive member 21 by controlling the rotation of the drive member adjusting part 221, thereby achieving precise control of the movement of the anchor drive member 21.

[0055] See Figure 1 and Figure 2 In some embodiments, the drive member adjustment portion 221 and the adjustment member 40 may be respectively disposed on both sides of the mounting member 50, and the drive member adjustment portion 221 and the adjustment member 40 extend in opposite directions. In such embodiments, the above-described arrangement allows the drive member adjustment portion 221 and the adjustment member 40 to not interfere with each other, while making the structure of the device 100 suitable for placing the anchor 1001 on the annular tissue compact and reducing the overall volume.

[0056] In some embodiments, the drive member adjustment part 221 is disposed on the top of the mounting member 50, and the adjustment member 40 is disposed on the bottom of the mounting member 50; the drive member adjustment part 221 and the adjustment member 40 are respectively disposed on both sides of the mounting member 50 along the axial direction of the mounting member 50.

[0057] See Figure 3 , Figure 3 yes Figure 1The diagram shows the assembled structure of the anchor fixing assembly 30, the adjusting member 40, and the mounting member 50. In some embodiments, the anchor fixing assembly 30 may include an anchor fixing member 31, a fixing mounting member 32, and a limiting member 33. The anchor fixing member 31 is configured to extend through the first housing 10 and fix the anchor 1001 entering the annular tissue to the annular tissue; the fixing mounting member 32 is disposed on the mounting member 50, and the limiting member 33 is configured to enable the mounting member 50 to drive the fixing mounting member 32 to move, thereby driving the anchor fixing member 31 to move; the anchor fixing member 31 is also configured to move along the direction of extension of the limiting member 33, and the limiting member 33 is configured to restrict or release the movement of the anchor fixing member 31. In such an embodiment, by restricting the movement of the anchor fixing member 31, the anchor driving member 21 can properly drive the anchor 1001 into the annular tissue; at the same time, by releasing the movement of the anchor fixing member 31, it is ensured that the anchor fixing member 31 can fix the anchor 1001 to the annular tissue after the anchor 1001 is driven into the annular tissue.

[0058] Anchor fastener 31 is, for example, a steel cable.

[0059] See Figure 3 In some embodiments, the limiting member 33 may include a connecting portion 331, a limiting portion 332, and a limiting mating portion 333. The connecting portion 331 is fixedly connected to the fixed mounting member 32 and to the limiting portion 332. The anchor fastener 31 is configured to pass through the limiting portion 332 and the limiting mating portion 333 and extend to the connecting portion 331. The limiting portion 332 is movably connected to the limiting mating portion 333, and the limiting portion 332 can move relative to the limiting mating portion 333 to restrict or release the movement of the anchor fastener 31. When the limiting portion 332 restricts the movement of the anchor fastener 31, the mounting member 50 can drive the fixed mounting member 32 to move, thereby driving the anchor fastener 31 to move. When the limiting portion 332 releases the movement of the anchor fastener 31, the anchor fastener 31 can move along the direction in which the connecting portion 331 extends. In such an embodiment, the movement of the anchor fastener 31 can be restricted or released by the movement of the limiting part 332 relative to the limiting mating part 333, which helps to reduce the difficulty of controlling the movement of the anchor fastener 31.

[0060] In some embodiments, the connecting portion 331 is configured to be rotatable.

[0061] The limiting part 332 is, for example, a handle. The limiting mating part 333 is, for example, a handle.

[0062] In some embodiments, when the limiting portion 332 moves relative to the limiting mating portion 333 in a direction close to the limiting mating portion 333, the limiting portion 332 restricts the movement of the anchor fastener 31; when the limiting portion 332 moves relative to the limiting mating portion 333 in a direction away from the limiting mating portion 333, the limiting portion 332 releases the movement of the anchor fastener 31. In such an embodiment, when the movement of the anchor fastener 31 is restricted, the anchor fastener 31 and the connecting portion 331 can move together with the mounting member 50 to move to the position where the anchor 1001 is fixed; when the movement of the anchor fastener 31 is released, the anchor fastener 31 can move independently to fix the anchor 1001 to the annular tissue.

[0063] In some embodiments, the limiting portion 332 and the limiting mating portion 333 are configured to be threadedly connected so that the limiting portion 332 can move relative to the limiting mating portion 333, thereby enabling the limiting portion 332 to engage with the limiting mating portion 333 to restrict or release the movement of the anchor fastener 31.

[0064] In some embodiments, the inner wall of the limiting portion 332 may be provided with a plurality of clamping elements, which may be configured to form a channel for the anchor fastener 31 to pass through. The diameter of the channel is smaller than the inner diameter of the limiting portion 332, and the diameter of the channel is configured to change as the limiting portion 332 moves relative to the limiting mating portion 333. When the limiting portion 332 moves relative to the limiting mating portion 333 in a direction closer to the limiting mating portion 333, the diameter of the channel decreases, and the plurality of clamping elements clamp the anchor fastener 31, restricting the movement of the anchor fastener 31. When the limiting portion 332 moves relative to the limiting mating portion 333 in a direction away from the limiting mating portion 333, the diameter of the channel increases, and the plurality of clamping elements release the anchor fastener 31, releasing the movement of the anchor fastener 31. In such an embodiment, the diameter variation of the channel formed by multiple clamping elements to restrict or release the movement of the anchor fastener 31 simplifies the operation of restricting or releasing the movement of the anchor fastener 31, thereby improving the efficiency of repairing the valve annulus tissue.

[0065] See Figure 1 and Figure 2 In some embodiments, the anchor drive 21 may include a drive body 211 and an anchor drive portion 212. The drive body 211 is fixedly connected to the drive mounting portion 222, and the drive body 211 axially penetrates the first housing 10; the drive mounting portion 222 can move along the extension direction of the drive adjustment portion 221 to drive the drive body 211 to move, thereby driving the anchor drive portion 212 to move; the anchor drive portion 212 is fixedly connected to the anchor 1001 and is configured to drive the anchor 1001 into the annular tissue.

[0066] In related technologies, anchors are typically screwed into the annular tissue at a fixed angle using appropriate repair devices. However, due to the irregularity of the surface of the annular tissue, anchors screwed in at a single fixed angle are difficult to maintain a reliable connection with the annular tissue at different locations, leading to the problem of anchors detaching from the annular tissue and affecting the effectiveness of annular tissue repair.

[0067] See Figure 1 and Figure 2 In some embodiments, the anchor drive assembly 20 may further include a bending control member 23 and a drive control member 24. The bending control member 23 is configured to control the degree of bending of the drive body 211, and the drive control member 24 is configured to control the axial movement and circumferential rotation of the anchor drive portion 212. In such embodiments, by controlling the degree of bending of the drive body 211 through the bending control member 23, and thereby controlling the degree of bending of the anchor drive portion 212, since the anchor drive portion 212 is fixedly connected to the anchor 1001, by controlling the degree of bending of the anchor drive portion 212, the position and angle at which the anchor 1001 enters the annular tissue can be adjusted, thereby improving the reliability of the anchor 1001 entering the annular tissue and preventing the anchor 1001 from detaching from the annular tissue; at the same time, by configuring the drive control member 24 to control the axial movement and circumferential rotation of the anchor drive portion 212, the anchor drive portion 212 drives the anchor 1001 into the annular tissue.

[0068] In some embodiments, when the anchor 1001 is placed in the annular tissue using the device 100 provided in the embodiments of this application, the driving body 211 is first moved by the driving member adjustment part 221 to move the driving body 211 to the position where the anchor 1001 enters the annular tissue, and then the driving body 211 is bent by the bending control member 23 to drive the anchor 1001 into the annular tissue.

[0069] In some embodiments, during the process of the drive body 211 being moved by the drive member adjustment part 221, the drive body 211 and the drive member adjustment part 221 are axially parallel, so that the drive member adjustment part 222 can drive the drive body 211 to move along the axial direction of the drive body 211, thereby enabling the drive member adjustment part 222 to control the axial movement of the drive body 211.

[0070] In some embodiments, the drive component mounting portion 222 is further configured to be fixedly connected to the bending control component 23 and the drive control component 24.

[0071] In some embodiments, the drive member mounting portion 222 has an integrally formed first portion 2221 and a second portion 2222 in a direction perpendicular to its axial direction. The drive member adjusting portion 221 is configured to be threadedly connected to and pass through the first portion 2221; the drive body 211 is configured to be fixedly connected to the second portion 2222. In such an embodiment, the above configuration allows the drive member mounting portion 222 to be connected to the drive member adjusting portion 221 and the drive body 211 respectively, while also preventing the drive member adjusting portion 221 and the drive body 211 from interfering with each other.

[0072] See Figure 2 In some embodiments, the bending control member 23 may include a second housing 231, a bending control part 232, and a bending control limiting part 233. The second housing 231 is configured to insert into the second part 2222 and is fixedly connected to the second part 2222; the bending control part 232 is configured to pass through the bending control limiting part 233 and be threadedly connected to the bending control limiting part 233, and the bending control part 232 is axially inserted into the second housing 231; the bending control limiting part 233 is fixedly connected to the bending guide wire of the drive body 211, and the bending control limiting part 233 is movably connected to the second housing 231; rotating the bending control part 232 can drive the bending control limiting part 233 to move, and the movement of the bending control limiting part 233 can control the degree of bending of the drive body 211. In such embodiments, rotating the bending control part 232 can drive the bending control limiting part 233 to move to control the degree of bending of the drive body 211, which helps to reduce the difficulty of controlling the degree of bending of the drive body 211.

[0073] See Figure 2 In some embodiments, a first mating portion 2310 may be formed on the sidewall of the second housing 231, and a second mating member 2330 may be formed on the sidewall of the bending control limiting portion 233. The second mating member 2330 and the first mating portion 2310 cooperate with each other and are slidably connected. The second mating member 2330 is configured to be fixedly connected to the bending guide wire of the drive body 211. In such embodiments, the bending operation of the bending guide wire of the drive body 211 is realized through the cooperation of the second mating member 2330 and the first mating portion 2310, thereby realizing the bending operation of the anchor driving portion 212, which is beneficial for comprehensive control of the anchor driving portion 212.

[0074] See Figure 2In some embodiments, the drive control unit 24 may include an adjusting housing 241 and an adjusting handle 242. The adjusting housing 241 is configured to be inserted into the adjusting handle 242, and the adjusting handle 242 is configured to control the axial movement and circumferential rotation of the adjusting housing 241. The adjusting housing 241 is fixedly connected to the anchor drive unit 212. In such embodiments, the above configuration allows control of the anchor drive unit 212 via the adjusting handle 242, which helps to reduce the difficulty of controlling the anchor drive unit 212.

[0075] In some embodiments, the adjusting handle 242 and the adjusting housing 241 may be configured such that the axial movement and circumferential rotation of the adjusting handle 242 are restricted. In such embodiments, by restricting the axial movement and circumferential rotation of the adjusting handle 242, the axial movement and circumferential rotation of the anchor drive 212 are also restricted, further facilitating comprehensive control of the anchor drive 212.

[0076] See Figure 1 and Figure 2 In some embodiments, the anchor drive assembly 20 may further include a positioning pin 250 and a positioning adjustment member 25. The positioning pin 250 is disposed within the anchor drive part 212 and is capable of penetrating the annular tissue to position the anchor 1001 into the annular tissue. The positioning adjustment member 25 is fixedly connected to the positioning pin 250 and the adjustment handle 242 and is used to control the movement of the positioning pin 250 along its axial direction and its circumferential direction to penetrate the annular tissue.

[0077] See Figure 2 and Figure 4 , Figure 4 yes Figure 2The schematic diagram of the adjusting housing 241 shown illustrates that, in some embodiments, the drive control member 24 may further include an adjusting limit member 243. The adjusting handle 242 is provided with a mounting hole, and the adjusting housing 241 is formed with an axial groove 2411 and a radial groove 2412. The adjusting limit member 243 is configured to be inserted into the mounting hole and simultaneously into either the axial groove 2411 or the radial groove 2412. The axial groove 2411 is configured to extend along the axial direction of the adjusting housing 241, and the radial groove 2412 is configured to extend along the radial direction of the adjusting housing 241, so that the movement of the adjusting limit member 243 in the axial direction or the radial direction of the adjusting housing 241 is restricted. In such an embodiment, by limiting the movement of the adjusting limit member 243 in the axial direction or the radial direction of the adjusting housing 241, the movement of the adjusting handle 242 in the axial direction or the radial direction of the adjusting housing 241 is limited, thereby preventing excessive movement of the positioning adjustment member 25 and the positioning pin 250 in the axial direction of the adjusting housing 241, and thus preventing them from penetrating the valve annulus tissue too deeply and causing a safety accident.

[0078] In some embodiments, when the adjusting limit member 243 enters the axial groove 2411, the positioning adjustment member 25 and the positioning pin 250 can move within the axial distance defined by the radial groove 2412. By setting the axial distance defined by the radial groove 2412, the maximum insertion depth of the positioning pin 250 is further limited, thereby further preventing safety accidents caused by the positioning pin 250 excessively penetrating the valve annulus tissue.

[0079] After the anchor is screwed into the annular tissue, a locking wire connected to the anchor is wound around it to pull the anchor and the annular tissue, thereby repairing the annular tissue. When winding the locking wire, a corresponding locking device is usually used to lock the wound locking wire to prevent the locking wire from loosening, so as to ensure that the anchor can be pulled. In related technologies, there is a problem that the locking device is difficult to lock the locking wire, which makes the locking wire easy to loosen, making it impossible to effectively pull the anchor and resulting in poor repair effect of the annular tissue.

[0080] See Figure 5 , Figure 5 yes Figure 1The enlarged schematic diagram of region A shows that, in some embodiments, the device 100 may further include a locking wire assembly 60, a winding member 70, an anti-loosening member 80, and an anti-loosening limiting member 90. The locking wire assembly 60 is used to pull the anchors 1001 disposed on the annular tissue, changing the relative distance between the anchors 1001; the winding member 70 is configured such that the locking wire assembly 60 can be partially wound around the winding member 70 when the winding member 70 rotates, so that the locking wire assembly 60 can pull the anchors 1001; the anti-loosening member 80 is used to prevent the locking wire assembly 60 wound around the winding member 70 from detaching from the winding member 70; the anti-loosening limiting member 90 is used to drive the winding member 70 to rotate and to limit the movement of the anti-loosening member 80. In this embodiment, by winding the locking wire assembly 60 around the winding member 70, the length of the locking wire assembly 60 is changed, thereby pulling the anchor 1001 connected to the locking wire assembly 60, thus repairing the annular tissue. At the same time, by setting the anti-loosening member 80 and the anti-loosening limiting member 90, the locking wire assembly 60 wound on the winding member 70 is prevented from detaching from the winding member 70 and the movement of the anti-loosening member 80 is restricted, ensuring that the locking wire assembly 60 wound on the winding member 70 will not detach from the winding member 70, thereby ensuring that the locking wire assembly 60 can pull the anchor 1001 and guaranteeing the repair effect.

[0081] In some embodiments, the auxiliary housing 13 may also be configured to deliver the locking wire assembly 60, the winding member 70, the anti-loosening member 80, and the anti-loosening limiting member 90 to the location where the valve annulus tissue needs repair.

[0082] In some embodiments, the end of the auxiliary housing 13 near the valve annulus tissue can be configured as an arc shape so that the auxiliary housing 13 matches the cavity in the animal's body. This facilitates the delivery of the locking wire assembly 60, the winding member 70, the anti-loosening member 80, and the anti-loosening limiting member 90 into the cavity through the auxiliary housing 13, thereby facilitating the repair of the valve annulus tissue.

[0083] In some embodiments, when performing human surgery using the device 100 provided in the embodiments of this application, the end of the auxiliary housing 13 near the valve annulus tissue can be configured as a straight line to facilitate the doctor's operation.

[0084] In some embodiments, the anti-loosening member 80 may be configured to allow the winding member 70 to enter and to prevent the winding member 70 from leaving the anti-loosening member 80. In such an embodiment, by allowing the winding member 70 to enter the anti-loosening member 80 and preventing the winding member 70 from leaving the anti-loosening member 80, the anti-loosening member 80 can restrict the movement of the locking wire assembly 60 wound on the winding member 70, thereby preventing the locking wire assembly 60 from detaching from the winding member 70.

[0085] In some embodiments, the winding member 70 passes through the anti-loosening member 80 and is configured to be axially movable relative to the anti-loosening member 80 so that the winding member 70 enters the anti-loosening member 80.

[0086] In some embodiments, the anchor fastener 31 is threadedly connected to the winding member 70. The movement of the anchor fastener 31 along the direction of the limiting member 33 can drive the winding member 70 to move toward the anti-loosening member 80 so that the winding member 70 enters the anti-loosening member 80.

[0087] In some embodiments, when the winding member 70 rotates to cause the locking wire assembly 60 to be wound around the winding member 70, the winding member 70 is located outside the anti-loosening member 80; after the winding member 70 has completed its rotation, the anchor fixing member 31 drives the winding member 70 to move toward the anti-loosening member 80, and the winding member 70 enters the anti-loosening member 80.

[0088] See Figure 6 , Figure 6 yes Figure 5 The diagram shows the assembled structure of the winding member 70, the anti-loosening member 80, the anti-loosening limiting member 90, and the anchor fastener 31. In some embodiments, the anti-loosening member 80 may include an anti-loosening body 81 and an anti-loosening limiting part 82. The anti-loosening limiting part 82 is disposed on the anti-loosening body 81, which is configured to allow the winding member 70 to enter, and the anti-loosening limiting part 82 is configured to prevent the winding member 70 from leaving the anti-loosening body 81. In such embodiments, the anti-loosening limiting part 82 prevents the winding member 70 from leaving the anti-loosening body 81, ensuring that the winding member 70 remains on the anti-loosening body 81, and ensuring that the anti-loosening body 81 can restrict the movement of the locking wire assembly 60 wound on the winding member 70.

[0089] See Figure 5 and Figure 6 In some embodiments, the anti-loosening body 81 may be configured to form a receiving cavity 8101 and a relief portion 8102 communicating with the receiving cavity 8101. The receiving cavity 8101 is configured to allow the winding member 70 and a portion of the locking wire assembly 60 wound around the winding member 70 to enter. The relief portion 8102 is configured to allow a portion of the locking wire assembly 60 not wound around the winding member 70 to extend outside the receiving cavity 8101. The anti-loosening limiting portion 82 is configured to prevent the winding member 70 that has entered the receiving cavity 8101 from leaving the receiving cavity 8101. In this embodiment, by allowing the winding member 70 and the portion of the locking wire assembly 60 wrapped around the winding member 70 to enter the receiving cavity 8101, and by allowing the portion of the locking wire assembly 60 not wrapped around the winding member 70 to extend outside the receiving cavity 8101 through the relief portion 8102, it is possible to ensure that the anti-loosening body 81 can prevent the locking wire assembly 60 entering the receiving cavity 8101 from detaching from the winding member 70, and also to avoid excessive pulling of the locking wire assembly 60, thereby avoiding excessive pulling of the anchor 1001, which is beneficial to ensuring patient safety.

[0090] See Figure 6In some embodiments, the anti-loosening limiting part 82 can be a protrusion extending from the circumference of the anti-loosening body 81 towards the center of the anti-loosening body 81. The anti-loosening limiting part 82 can form a channel 820 for the winding member 70 to pass through. When the winding member 70 enters the receiving cavity 8101, the winding member 70 can pass through the channel 820 and abut against the end of the anti-loosening limiting part 82 away from the winding member 70, so as to prevent the winding member 70 that has entered the receiving cavity 8101 from leaving the receiving cavity 8101. In such embodiments, the above-mentioned arrangement can both avoid affecting the movement of the winding member 70 and ensure that the winding member 70 can enter the receiving cavity 8101, and also ensure that the winding member 70 that has entered the receiving cavity 8101 can not be detached from the receiving cavity 8101 due to misoperation.

[0091] See Figure 6 In some embodiments, the winding member 70 may include a winding portion 71 and a winding limiting engagement portion 72. The winding portion 71 is configured such that the locking wire assembly 60 can be partially wound around the winding portion 71 when the winding portion 71 rotates, and the winding portion 71 is configured to enter the receiving cavity 8101. The winding limiting engagement portion 72 is disposed inside the winding portion 71 and is configured to extend outside the winding portion 71. The winding limiting engagement portion 72 is used to abut against the anti-loosening limiting portion 82 to prevent the winding portion 71 that has entered the receiving cavity 8101 from leaving the receiving cavity 8101. In such embodiments, the abutment engagement between the winding limiting engagement portion 72 and the anti-loosening limiting portion 82 further prevents the winding portion 71 from leaving the receiving cavity 8101, which helps to ensure that the locking wire assembly 60 wound around the winding portion 71 will not detach from the winding portion 71.

[0092] In some embodiments, the locking wire assembly 60 is partially wound around the winding portion 71, and the portion of the locking wire assembly 60 not wound around the winding portion 71 extends out of the receiving cavity 8101 through the relief portion 8102.

[0093] In some embodiments, the maximum diameter of the winding limiting engagement portion 72 is larger than the diameter of the channel 820, and the winding limiting engagement portion 72 is configured to be elastic. In such an embodiment, the above configuration allows the winding limiting engagement portion 72 to pass through the channel 820 and to abut against the end of the anti-loosening limiting portion 82 away from the winding member 70 after passing through the channel 820.

[0094] See Figure 6In some embodiments, the winding limiting engagement portion 72 may include two extension segments 721 and a connecting segment 722 connecting the two extension segments 721. The connecting segment 722 is disposed within the winding portion 71, and the two extension segments 721 are configured to extend outside the winding portion 71. The two extension segments 721 are also configured to be elastic so that the distance between the two extension segments 721 can be changed, thereby allowing the two extension segments 721 to abut against the end of the anti-loosening limiting portion 82 away from the winding portion 71 after passing through the channel 820. In such an embodiment, the two extension segments 721 are elastic, allowing them to be compressed when passing through the channel 820, thereby reducing the distance between the two extension segments 721 and enabling them to pass through the channel 820. At the same time, because the two extension segments 721 are elastic, they can return to their original distance after passing through the channel 820, so as to abut against the end of the anti-loosening limiting part 82 away from the winding part 71, thereby restricting the winding part 71 from leaving the receiving cavity 8101.

[0095] In some embodiments, the two extensions 721 are configured to extend obliquely in a direction away from the anti-loosening body 81, such that the winding limiting mating part 72 is V-shaped.

[0096] In some embodiments, the connecting portion 331 is fixedly connected to the anti-loosening limiting member 90, and the connecting portion 331 is also configured to rotate so as to drive the anti-loosening limiting member 90 to rotate.

[0097] In some embodiments, the anti-loosening limiting member 90 may be configured to abut against the anti-loosening member 80 to restrict the movement of the anti-loosening member 80; the anti-loosening limiting member 90 may also be configured to circumferentially limit the winding member 70, and the rotation of the anti-loosening limiting member 90 may cause the winding member 70 to rotate. In such an embodiment, the movement of the anti-loosening member 80 is restricted by the anti-loosening limiting member 90 to prevent the winding member 70 from leaving the anti-loosening member 80 due to the movement of the anti-loosening member 80, so that the winding member 70 is always located within the anti-loosening member 80; and the rotation of the winding member 70 is caused by the anti-loosening limiting member 90 so that the locking wire assembly 60 can be wound around the winding member 70.

[0098] See Figure 5 In some embodiments, the anti-loosening limiting member 90 is further configured to form an anti-rotation portion 901, and the winding member 70 is provided with an anti-rotation mating portion 73. Through the cooperation of the anti-rotation portion 901 and the anti-rotation mating portion 73, the circumferential rotation of the winding member 70 relative to the anti-loosening limiting member 90 is restricted after the winding member 70 enters the anti-loosening member 80. In such embodiments, the cooperation of the anti-rotation portion 901 and the anti-rotation mating portion 73 can effectively restrict the circumferential rotation of the winding member 70 relative to the anti-loosening limiting member 90, so that the rotation of the connecting portion 331 can drive the anti-loosening limiting member 90 and the winding member 70 to rotate.

[0099] The anti-rotation part 901 can be a groove formed at one end of the anti-rotation part 901 near the winding member 70 and extending along the axial direction of the anti-rotation part 901. The anti-rotation mating part 73 can be a protrusion provided on the circumferential sidewall of the winding part 71.

[0100] In some embodiments, when the winding part 71 enters the receiving cavity 8101, the anti-rotation mating part 73 can enter the anti-rotation part 901 to restrict the winding part 70 from rotating relative to the anti-loosening limit member 90.

[0101] In some embodiments, the locking wire assembly 60 may include a locking wire 61 and two locking wire members 62. One end of the locking wire 61 is connected to one locking wire member 62, and the other end of the locking wire 61 is connected to the other locking wire member 62 after passing through the winding member 70, so that the locking wire 61 can be wound around the winding member 70 when the winding member 70 rotates. Each locking wire member 62 forms a locking hole 6201, through which the locking wire 61 is connected to the locking wire member 62. Each locking wire member 62 is also connected to a drive body 211.

[0102] In some embodiments, the winding portion 71 of the winding member 70 forms a winding hole 710, through which the locking wire 61 can pass.

[0103] In some embodiments, the suture member 62 further forms a plurality of guide holes 6202 for guiding the anchor 1001 into the annular tissue. The plurality of guide holes 6202 are arranged at intervals along the extension direction of the suture member 62, and the anchor 1001 is slidable between the plurality of guide holes 6202 to guide the anchor 1001 into the annular tissue.

[0104] In some embodiments, the locking wire 61 is partially wound around the winding portion 71, and the locking wire 61 not wound around the winding portion 71 extends to the outside of the receiving cavity 8101 after passing through the relief portion 8102.

[0105] In some embodiments, the locking wire 61 not wound around the winding portion 71 can pass radially through the relief portion 8102. In some embodiments, the relief portion 8102 can be a groove formed at one end of the anti-loosening body 81 near the winding member 70 and extending axially along the anti-loosening body 81.

[0106] The following describes the use of the device 100 for placing anchors 1001 on annular tissue, provided by an embodiment of this application.

[0107] First, the locking wire assembly 60, the winding member 70, the anti-loosening member 80, and the anti-loosening limiting member 90 are conveyed to the location of the annular tissue requiring repair using the auxiliary housing 13. Then, the limiting part 332 moves relative to the limiting mating part 333 in a direction close to the limiting mating part 333, and the rotating adjusting member 40 causes the mounting member 50 to move, driving the anchor drive member 21 and the anchor fixing member 31 disposed on the mounting member 50. When the anchor drive member 21 and the anchor fixing member 31 move to the vicinity of the location where the anchor 1001 is driven into the annular tissue, the rotating adjusting member 40 stops. Then, the rotating drive member adjusting part 221 causes the drive member mounting part 222 to move, driving the anchor drive member 21 and the anchor fixing member 31 disposed on the drive member mounting part 222. Anchor drive 21 moves, and when anchor drive 21 moves to the position where anchor 1001 is driven into the annular tissue, the rotating drive adjustment part 221 stops rotating; then, anchor drive 212 rotates and drives anchor 1001 to rotate, and anchor 1001 begins to enter the annular tissue; after anchor 1001 enters the annular tissue, connecting part 331 rotates and drives winding part 70 to rotate, and locking wire 61 begins to wind around winding part 70; after locking wire 61 is wound, anchor fixing part 31 pulls winding part 70 to move in the direction close to anti-loosening part 80, winding part 70 enters anti-loosening part 80, and at the same time, locking wire 61 pulls anchor 1001 and the annular tissue connected to it to achieve repair of annular tissue.

[0108] Regarding the embodiments of this application, it should also be noted that, without conflict, the embodiments of this application and the features in the embodiments can be combined with each other to obtain new embodiments.

[0109] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. The scope of protection of this application shall be determined by the scope of the claims.

Claims

1. A device for placing anchors in annular tissue, characterized in that, The device comprises: a first housing, an anchor driving assembly, an anchor fixing assembly, an adjusting member and a mounting member; the adjusting member is arranged to pass through the mounting member and movably mounted on the first housing, the adjusting member is arranged to be fixedly connected with the mounting member and can drive the mounting member to move along the direction in which the adjusting member extends; the anchor driving assembly is arranged to extend through the first housing and drive the anchor into the annulus tissue; the anchor fixing assembly is arranged to extend through the first housing and fix the anchor in the annulus tissue; the anchor driving assembly and the anchor fixing assembly are respectively mounted on the mounting member, and the movement of the mounting member along the direction in which the adjusting member extends can simultaneously drive the anchor driving assembly and the anchor fixing assembly to move; the first housing is arranged to enable the distance of the movement of the anchor driving assembly and the anchor fixing assembly to be observed from the outside of the first housing.

2. The device according to claim 1, wherein: the first housing comprises a mounting housing and an observation housing, the mounting housing is fixedly connected with the observation housing, the adjusting member is movably mounted on the mounting housing, and the mounting member is arranged on the mounting housing; the observation housing is arranged to enable the distance of the movement of the anchor driving assembly and the anchor fixing assembly to be observed from the outside of the observation housing.

3. The device according to claim 2, wherein: the observation housing is formed with an observation window, and a scale is arranged on the observation window, the anchor driving assembly and the anchor fixing assembly are provided with marks, and the distance of the movement of the anchor driving assembly and the anchor fixing assembly is determined according to the scale and the marks.

4. The device according to claim 1, wherein: the adjusting member is arranged to be threadedly connected with the mounting member, so that the mounting member can be driven to move along the direction in which the adjusting member extends when the adjusting member is circumferentially rotated.

5. The apparatus of claim 3, wherein, the anchor driving assembly comprises: an anchor driving member and a driving member adjusting member, the anchor driving member is movably connected with the driving member adjusting member; the anchor driving member is arranged to extend through the mounting housing and drive the anchor into the annulus tissue; the driving member adjusting member is arranged on the mounting member, and the movement of the mounting member along the direction in which the adjusting member extends can drive the driving member adjusting member to move, thereby driving the anchor driving member to move; the driving member adjusting member is further arranged to drive the anchor driving member to move along the direction in which the driving member adjusting member extends.

6. The apparatus of claim 5, wherein, the driving member adjusting member comprises: a driving member adjusting portion and a driving member mounting portion, the driving member adjusting portion is arranged on the mounting member, the driving member adjusting portion is arranged to pass through the mounting member and fixedly connected with the driving member mounting portion, and the driving member adjusting portion can drive the driving member mounting portion to move along the direction in which the driving member adjusting portion extends; the driving member mounting portion is fixedly connected with the anchor driving member, and the movement of the driving member mounting portion along the direction in which the driving member adjusting portion extends can drive the anchor driving member to move.

7. The device of claim 6, wherein the driving member adjusting portion and the driving member mounting portion are arranged in threaded connection, so that when the driving member adjusting portion is rotated circumferentially, the driving member mounting portion is moved along the direction in which the driving member adjusting portion extends.

8. The device of claim 6, wherein the driving member adjusting portion and the adjusting member are arranged on two sides of the mounting member respectively, and the driving member adjusting portion and the adjusting member extend in opposite directions. The anchor fixing assembly comprises: an anchor fixing member, a fixing mounting member, and a limiting member; 9. The apparatus of claim 3, wherein, the anchor fixing member is arranged to extend through the first housing and fix the anchor entering the annulus tissue with the annulus tissue; the fixing mounting member is arranged on the mounting member, and the limiting member is arranged to move the mounting member, and further move the anchor fixing member; the anchor fixing member is further arranged to move along the direction in which the limiting member extends, and the limiting member is arranged to limit or release the movement of the anchor fixing member. The limiting member comprises: a connecting portion, a limiting portion, and a limiting matching portion, 10. The apparatus of claim 9, wherein, the connecting portion is fixedly connected with the fixing mounting member and the limiting portion, the anchor fixing member is arranged to extend through the limiting portion and the limiting matching portion, and further extend to the connecting portion; the limiting portion and the limiting matching portion are movably connected, and the limiting portion can move relative to the limiting matching portion to limit or release the movement of the anchor fixing member; when the limiting portion limits the movement of the anchor fixing member, the mounting member can move the fixing mounting member, and further move the anchor fixing member; when the limiting portion releases the movement of the anchor fixing member, the anchor fixing member can move along the direction in which the connecting portion extends.

11. The device of claim 10, wherein when the limiting portion moves relative to the limiting matching portion along the direction close to the limiting matching portion, the limiting portion limits the movement of the anchor fixing member; when the limiting portion moves relative to the limiting matching portion along the direction away from the limiting matching portion, the limiting portion releases the movement of the anchor fixing member.

12. The device of claim 10, wherein the limiting portion and the limiting matching portion are arranged in threaded connection, so that the limiting portion can move relative to the limiting matching portion. the inner wall of the limiting portion is provided with a plurality of clamping elements arranged to form a channel through which the anchor fixing member passes, the diameter of the channel is smaller than the inner diameter of the limiting portion, and the diameter of the channel is arranged to change with the movement of the limiting portion relative to the limiting matching portion; when the limiting portion moves relative to the limiting matching portion along the direction close to the limiting matching portion, the diameter of the channel decreases, the plurality of clamping elements clamp the anchor fixing member, and the movement of the anchor fixing member is limited; 13. The apparatus of claim 11, wherein, ​ ​ When the limiting portion moves relative to the limiting fitting portion in a direction away from the limiting fitting portion, the diameter of the passage increases, the plurality of clamping elements loosen the anchor fixation, and movement of the anchor fixation is released.

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