Anchor implanting device and anchor

Abstract

The embodiment of the invention provides an anchor implanting device and an anchor. The anchor implanting device comprises a first sleeve, a second sleeve, a push rod assembly, a firing pin assembly and a driving assembly, wherein the first sleeve and the second sleeve are nested; an accommodating cavity is formed in the first sleeve; the second sleeve penetrates through the near-end opening and extends into and out of the containing cavity. The push rod assembly comprises a push rod and a push rod cylinder extending out of the cavity and is used for installing an anchor. The driving assembly comprises a first elastic piece and a rammer, and the firing pin assembly is arranged between the rammer and the push rod cylinder. During operation, the second sleeve is pressed to compress the first elastic piece to store energy, the rammer is released to impact the firing pin, and the push rod is pushed to nail the anchor into a living body. The first sleeve and the second sleeve are nested, so that the structure is compact, and holding and accurate operation are facilitated; the push rod cylinder ensures linear implantation, and the precision is improved; the elastic energy storage and burst release impact mode ensures that the anchor is stably and reliably implanted, the slipping risk is reduced, and the anchor is suitable for arthroscopic minimally invasive surgery.

Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to an anchor implantation device and an anchor. Background Art

[0002] Rotator cuff tears are a common shoulder joint disease among middle-aged and elderly people. Rotator cuff patch reconstruction is an important treatment for patients with unsutureable or severe tears. Traditional treatments using suture fixation techniques have problems such as complex operation, insufficient fixation precision, low operation efficiency, and poor biomechanical control.

[0003] Therefore, there is an urgent need for an anchor implantation device that is easy to operate and can provide stable fixation to meet the precision and reliability requirements of minimally invasive surgery. Summary of the Invention

[0004] This application provides an anchor implantation device and an anchor, which aims to improve the reliability of anchor implantation.

[0005] An embodiment of the first aspect of this application provides an anchor implantation device, including: a first sleeve, a push rod assembly, a second sleeve, a firing pin assembly, and a drive assembly; the first sleeve has a proximal end and a distal end disposed opposite to each other along a first direction, the first sleeve has a receiving cavity, the proximal end of the first sleeve has a first opening communicating with the receiving cavity, and the distal end of the first sleeve has a second opening communicating with the receiving cavity; the second sleeve is disposed through the first opening, one end of the second sleeve extends into the receiving cavity, and the other end of the second sleeve is exposed through the first opening; the push rod assembly includes a push rod and a push rod tube, the push rod tube is disposed through the second opening and extends into the receiving cavity, and the push rod tube is opposite to... One proximal end extends outside the receiving cavity and is used to set the anchor. The push rod is movably disposed in the push rod cylinder along a first direction. The drive assembly is disposed in the second sleeve and includes a first elastic element and a hammer. The first elastic element is located on the side of the hammer away from the push rod assembly. The firing pin assembly includes a firing pin sleeve and a firing pin located inside the firing pin sleeve. The firing pin sleeve abuts between the hammer and the push rod cylinder. The second sleeve is movably disposed in the first direction toward the distal end to cooperate with the firing pin sleeve to compress the first elastic element. The firing pin is located between the push rod and the hammer. The first elastic element is used to provide elastic force to the hammer so that the hammer strikes the firing pin toward the distal end. The firing pin strikes the push rod to drive the anchor into the organism.

[0006] According to an embodiment of this application, the firing pin sleeve is located inside the second sleeve. The firing pin sleeve includes a first section and a second section arranged sequentially along the extending direction of the firing pin sleeve. The second section is located on the side of the first section facing the distal end. The outer diameter of the second section is larger than the outer diameter of the first section. The second sleeve has a convex ring inside, and the inner diameter of the convex ring is equal to the outer diameter of the second section. The central part of the hammer facing the distal end is provided with a core groove and a core located in the core groove. The second sleeve is movably arranged along a first direction to drive the convex ring to move between the first section and the second section. The convex ring is located in the first section, and the extending direction of the firing pin sleeve intersects with the first direction. The first section abuts against the hammer. The convex ring is located in the second section, and the convex ring abuts against the second section so that the extending direction of the firing pin sleeve is parallel to the first direction. The first section and the core groove are arranged opposite to each other. The first elastic member is configured to push the hammer to move towards the distal end so that the first section enters the core groove. The core extends into the firing pin sleeve and strikes the firing pin to move towards the distal end.

[0007] According to an embodiment of this application, the firing pin sleeve further includes a guide section located between the first section and the second section, and the outer diameter of the guide section gradually increases in the direction away from the proximal end.

[0008] According to an embodiment of this application, the firing pin sleeve includes a first channel extending along a first direction. The first channel includes a first sub-segment located in a first section and a second sub-segment located in a second section. The diameter of the second sub-segment is greater than the diameter of the first sub-segment. The firing pin includes a first portion located in the first sub-segment and a second portion located in the second sub-segment. The outer diameter of the first portion is less than or equal to the diameter of the first sub-segment, and the outer diameter of the second portion is less than or equal to the diameter of the second sub-segment. The outer diameter of the second portion is greater than the diameter of the first sub-segment.

[0009] According to the embodiments of this application, the anchor implantation device further includes a second elastic member, and the firing pin sleeve further includes a third section located on the distal side of the second section. The second elastic member abuts between the convex ring and the third section. The convex ring is located in the second section. The second elastic member is in a compressed state and is used to provide a restoring force to the second sleeve in the direction away from the distal end.

[0010] According to an embodiment of this application, the second elastic member includes a first surface facing the third segment, the first surface abutting against the third segment, a convex ring located in the first segment, an acute angle between the first surface and the first direction, and the extension direction of the firing pin sleeve intersecting the first direction.

[0011] According to an embodiment of this application, the second sleeve includes a first adjusting part and a first sub-part. The first adjusting part is movably connected to one end of the first sub-part away from the distal end along a first direction. A first elastic member and a hammer are disposed inside the first sub-part. The first adjusting part covers the outside of the first sub-part. The first sub-part includes a third opening away from the distal end. The first adjusting part covers the third opening. The first elastic member is located between the hammer and the first adjusting part, and the first elastic member abuts against the first adjusting part through the third opening.

[0012] According to an embodiment of this application, the push rod cylinder includes a body and a second adjustment part. The second adjustment part is movably mounted on the end of the body facing the proximal end in a first direction. The push rod is disposed through the body and the second adjustment part. The push rod includes a rod and a head. The head is located on the side of the rod facing the proximal end. A third elastic member is disposed inside the push rod cylinder. The head is disposed between the third elastic member and the second adjustment part. The third elastic member abuts against the head and the inner wall of the body to provide elastic force to the push rod in the proximal direction.

[0013] According to an embodiment of this application, a receiving groove is provided at one end of the main body away from the proximal end. The receiving groove is used to receive the anchor. The receiving groove is located on the side of the push rod away from the proximal end. The anchor includes an ear. The main body has a recess located in the receiving groove and disposed opposite to it along a direction perpendicular to the first direction. The recess is used to receive the ear to position and load the anchor into the receiving groove.

[0014] A second aspect of this application provides an anchor bolt, comprising: a first tip, a second tip, and a bent portion. The first tip is connected to one end of the bent portion, and the second tip is connected to the other end of the bent portion. The first tip and the second tip are disposed adjacent to each other along a second direction. Along the second direction, the first tip has a first inclined surface facing the side of the second tip, and the second tip has a second inclined surface facing the side of the first tip. Along the direction close to the bent portion, the distance between the first inclined surface and the second inclined surface gradually decreases.

[0015] According to an embodiment of this application, along the second direction, the bent portion has two ears disposed opposite to each other along the second direction, and the ears protrude relative to the bent portion along the second direction.

[0016] In this embodiment, the nested design of the first and second sleeves results in a compact overall structure, facilitating grip and precise operation by the surgeon. The surgeon presses the second sleeve, exposed through the first opening, and moves it distally along a first direction to compress the first elastic element, giving it elastic force along that direction. This elastic force provides elasticity to the hammer, causing it to strike the firing pin and move it away from the proximal end. The firing pin acts as an intermediary between the hammer and the push rod. During the hammer's impact, the firing pin sleeve and push rod sleeve are aligned along the first direction. The firing pin moves distally along the first direction, extending into the push rod sleeve and pushing the push rod away from the proximal end. The rigid guiding effect of the push rod sleeve constrains the push rod's movement path, ensuring the straightness and depth consistency of the anchor implantation, thus improving surgical accuracy and the reliability of the anchor implantation. The firing pin sleeve abuts between the hammer and the push rod sleeve. When the second sleeve moves distally along the first direction, it cooperates with the firing pin sleeve to compress the first elastic element, forming a stable energy storage state. The second sleeve acts as the force-applying component, while the push rod sleeve serves as the force-bearing fulcrum. Together, they efficiently convert the surgeon's applied hand pressure into the compressive potential energy of the first elastic element, reducing operational complexity and making it particularly suitable for high-precision surgical scenarios. The drive assembly employs an elastomer energy storage combined with hammer impact, capable of releasing significant impact force instantaneously. This ensures the anchor is quickly and stably driven into the biological tissue, reducing the risk of slippage or displacement and improving surgical efficiency. The end of the push rod sleeve, facing away from the proximal end, extends outside the receiving cavity and is used to place the anchor. The push rod sleeve acts as a guide, ensuring the anchor is implanted along a predetermined path, making it more suitable for arthroscopic surgery, where anchors can be implanted through small incisions in the body. Attached Figure Description

[0017] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings, wherein the same or similar reference numerals denote the same or similar features.

[0018] Figure 1 This is a schematic diagram of the structure of an anchor implantation device provided in an embodiment of this application;

[0019] Figure 2 This is a schematic diagram of another anchor implantation device provided in the embodiments of this application;

[0020] Figure 3 This is a schematic diagram of the structure of another anchor implantation device provided in the embodiments of this application;

[0021] Figure 4 This is a schematic diagram of the structure of a hammer provided in an embodiment of this application;

[0022] Figure 5 This is a cross-sectional view of a hammer provided in an embodiment of this application;

[0023] Figure 6 This is a schematic diagram of another hammer structure provided in an embodiment of this application;

[0024] Figure 7 This is a cross-sectional view of a firing pin sleeve provided in an embodiment of this application;

[0025] Figure 8 This is a schematic diagram of the structure of a firing pin assembly provided in an embodiment of this application;

[0026] Figure 9 This is a cross-sectional view of a push rod cylinder provided in an embodiment of this application;

[0027] Figure 10 This is a schematic diagram of a push rod and a third elastic element structure provided in an embodiment of this application;

[0028] Figure 11 This is a schematic diagram of the structure of a push rod assembly provided in an embodiment of this application;

[0029] Figure 12 This is a partial structural schematic diagram of an anchor implantation device provided in an embodiment of this application;

[0030] Figure 13 This is a schematic diagram of the structure of the first sub-part of a second sleeve provided in an embodiment of this application;

[0031] Figure 14 This is a partial structural schematic diagram of another anchor implantation device provided in an embodiment of this application;

[0032] Figure 15 This is a schematic diagram of a partial structure of a push rod cylinder provided in an embodiment of this application;

[0033] Figure 16 This is a partial structural schematic diagram of another anchor implantation device provided in the embodiments of this application;

[0034] Figure 17 This is a partial structural schematic diagram of another anchor implantation device provided in the embodiments of this application;

[0035] Figure 18 This is a partial structural schematic diagram of another anchor implantation device provided in the embodiments of this application;

[0036] Figure 19 This is a schematic diagram of the structure of an anchor provided in an embodiment of this application;

[0037] Figure 20 This is a schematic diagram of the structure of an anchor bracket provided in an embodiment of this application;

[0038] Figure 21 This is a structural schematic diagram of an anchor bracket and anchor provided in an embodiment of this application.

[0039] Explanation of reference numerals in the attached drawings: 10, Anchor pin; 11, First tip; 12, Second tip; 13, Bending portion; 14, First inclined surface; 15, Second inclined surface; 16, First barb; 17, Second barb; 18, Ear; 20, Shell; 21, Support; 22, Fixing groove; 23, Partition; 100, First sleeve; 101, Proximal end; 102, Distal end; 110, Receiving cavity; 111, First opening; 112, Second opening; 200, Second sleeve; 201, First adjusting portion; 201a, First protrusion; 201b, First groove; 202, First sub-part; 202a, Third opening; 203, Second sub-part; 203a, Second protrusion; 203b, Second groove; 210, Protruding ring; 300, Drive assembly; 310, First elastic element; 320, Hammer; 321, Hammer core groove; 322, Impact core; 400, Impact pin assembly; 410, Impact pin sleeve; 411, First section; 412, Second section; 413, Guide section; 414, Third section; 415, First channel; 415a, First sub-segment; 415b, Second sub-segment; 416, First end face; 420, Impact pin; 421, First division; 422, Second division; 430, Second elastic element; 431, First surface; 500, Push rod assembly; 510, Push rod; 511, Rod portion; 512, Head; 520, Push rod sleeve; 521, Body portion; 522, Second adjustment portion; 523, Second channel; 524, Second end face; 530, Third elastic element; 540, Receiving groove; 541, Recess; 550, Receiving portion; 551, Clearance opening; X, First direction; Y, Second direction; Z, Third direction. Detailed Implementation

[0040] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In the detailed description below, many specific details are set forth in order to provide a comprehensive understanding of the present application. However, it will be apparent to those skilled in the art that the present application can be implemented without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples of the present application. In the accompanying drawings and the following description, at least some of the well-known structures and technologies are not shown in order to avoid unnecessary ambiguity in the present application; and, for clarity, the sizes of some structures may be exaggerated. In addition, the features, structures, or characteristics described below may be combined in any suitable manner in one or more embodiments.

[0041] In the description of this application, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," etc., indicating orientation or positional relationships are only for the convenience of describing this application 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 on this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0042] The directional terms appearing in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of the embodiments of this application. It should also be noted in the description of this application that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0043] Rotator cuff tears are a common shoulder joint disease in middle-aged and elderly people, mainly caused by degenerative changes, trauma, or long-term overuse. For moderate to severe rotator cuff tears, surgical treatment is the main means of restoring shoulder joint function. Rotator cuff patch reconstruction, which involves implanting a biological or synthetic patch to bridge the torn tissue, has become an important treatment for unsutureable tears. However, traditional patch fixation techniques rely on suture systems, requiring surgeons to perform steps such as needle insertion, suture placement, and knot tying under arthroscopy. This procedure is cumbersome and requires a high level of experience, leading to prolonged operation time and increased bleeding risk. The angle, depth, and spacing of the sutures depend on the surgeon's subjective judgment, which can easily lead to uneven stress distribution on the patch, potentially resulting in patch displacement, loosening, or re-tearing postoperatively. Precise control of patch adhesion tension is difficult when knotting the sutures; excessive tightness can cause tissue necrosis, while excessive looseness can lead to patch failure. The differences in the mechanical properties of patch materials further necessitate fixation devices with controllable anchoring force and adaptive design. Therefore, there is an urgent need to develop a fixation device with 10 anchors.

[0044] like Figures 1 to 3As shown, a first aspect embodiment of this application proposes an anchor implantation device, including: a first sleeve 100, a push rod assembly 500, a second sleeve 200, a firing pin assembly 400, and a drive assembly 300; the first sleeve 100 has a proximal end 101 and a distal end 102 disposed opposite to each other along a first direction X, and the first sleeve 100 has a receiving cavity 110. The proximal end 101 of the first sleeve 100 is provided with a first opening 111 communicating with the receiving cavity 110. The distal end 102 of 100 is provided with a second opening 112 communicating with the receiving cavity 110; a second sleeve 200 is provided through the first opening 111, one end of the second sleeve 200 extends into the receiving cavity 110, and the other end of the second sleeve 200 is exposed through the first opening 111; the push rod assembly 500 includes a push rod 510 and a push rod cylinder 520, the push rod cylinder 520 is provided through the second opening 112 and extends into the receiving cavity 110, and the push rod cylinder 520 is opposite to the proximal end 101. One end extends outside the receiving cavity 110 and is used to set the anchor 10. The push rod 510 is movably disposed in the push rod sleeve 520 along the first direction X. The drive assembly 300 is disposed in the second sleeve 200. The drive assembly 300 includes a first elastic element 310 and a hammer 320. The first elastic element 310 is located on the side of the hammer 320 away from the push rod assembly 500. The firing pin assembly 400 includes a firing pin sleeve 410 and a firing pin 420 located inside the firing pin sleeve 410. The second sleeve 200 is movably disposed along the first direction X toward the distal end 102 between the hammer 320 and the push rod sleeve 520. It is used to cooperate with the firing pin sleeve 410 to compress the first elastic member 310. The firing pin 420 is located between the push rod 510 and the hammer 320. The first elastic member 310 is used to provide elastic force to the hammer 320 so that the hammer 320 impacts the firing pin 420 toward the distal end 102. The firing pin 420 impacts the push rod 510 to drive the anchor 10 into the organism.

[0045] In this embodiment, the second sleeve 200 is disposed through the first opening 111. One end of the second sleeve 200 extends into the receiving cavity 110, and the other end of the second sleeve 200 protrudes from the first opening 111. The nested design of the first sleeve 100 and the second sleeve 200 results in a compact overall structure, which is convenient for doctors to hold and operate precisely. By pressing the second sleeve 200 protruding from the first opening 111, the doctor moves it toward the distal end 102 along the first direction X, squeezing the first elastic member 310 so that the first elastic member 310 has an elastic force along the first direction X. The first elastic member 310 provides an elastic force to the hammer 320, causing the hammer 320 to strike the firing pin 420 and move toward the direction away from the proximal end 101. The firing pin 420, as an intermediary component between the hammer 320 and the push rod 510, can deflect the impact of the hammer 320. The impact force is concentrated and smoothly transmitted to the push rod 510, reducing the vibration of the push rod 510 caused by the direct impact of the hammer 320. The push rod 510 is located inside the push rod cylinder 520. The hammer 320 is set to impact the firing pin 420. The rigid guiding effect of the firing pin sleeve 410 can constrain the movement path of the firing pin 420. During the impact of the hammer 320 on the firing pin 420, the firing pin sleeve 410 and the push rod cylinder 520 are set facing each other along the first direction X. The firing pin 420 moves along the first direction X toward the distal end 102 and extends into the push rod cylinder 520, pushing the push rod 510 to move away from the proximal end 101. The rigid guiding effect of the push rod cylinder 520 can constrain the movement path of the push rod 510, ensuring the straightness and depth consistency of the anchor 10 implantation, improving the surgical accuracy and the reliability of the anchor 10 implantation.

[0046] The firing pin sleeve 410 abuts between the hammer 320 and the push rod sleeve 520. When the second sleeve 200 moves toward the distal end 102 along the first direction X, it cooperates with the firing pin sleeve 410 to compress the first elastic element 310, forming a stable energy storage state. The second sleeve 200 acts as the force-applying component, and the push rod sleeve 520 acts as the force-bearing fulcrum. The two work together to efficiently convert the hand pressure applied by the doctor into the compressive potential energy of the first elastic element 310, reducing operational complexity and making it particularly suitable for high-precision surgical scenarios.

[0047] The drive assembly 300 employs an elastomer energy storage combined with the impact of the hammer 320, which can release a large impact force instantaneously, ensuring that the anchor 10 is quickly and stably driven into the biological tissue, reducing the risk of slippage or displacement, and improving surgical efficiency. The end of the push rod 520 opposite to the proximal end 101 extends to the outside of the receiving cavity 110 and is used to place the anchor 10. The push rod 520 acts as a guide to ensure that the anchor 10 is implanted along the predetermined path, making it more suitable for arthroscopic surgery, where the anchor 10 can be implanted through small incisions in the human body.

[0048] The anchor implantation device can be applied in the field of rotator cuff tear treatment, specifically to implant biological or synthetic patches to bridge torn tissue, and can also be used in other surgical treatments. When the anchor implantation device is applied in the field of rotator cuff tear treatment, specifically to implant biological or synthetic patches to bridge torn tissue, the pusher tube 520 pre-opens the patch and lays it flat on the tendon tissue through the arthroscopic surgical channel, and the anchor implantation device inserts the anchor 10 between the patch and the tendon tissue.

[0049] Optional, such as Figure 1 As shown, the drive assembly 300 is located inside the second sleeve 200. The second sleeve 200 is used to keep the first elastic member 310 extending and retracting along the first direction X. The second sleeve 200 is also used to keep the hammer 320 moving along the first direction X.

[0050] like Figures 1 to 6 As shown, in some optional embodiments, the firing pin sleeve 410 is located inside the second sleeve 200. The firing pin sleeve 410 includes a first segment 411 and a second segment 412 arranged sequentially along the extending direction of the firing pin sleeve 410. The second segment 412 is located on the side of the first segment 411 facing the distal end 102, and the outer diameter of the second segment 412 is larger than the outer diameter of the first segment 411. The second sleeve 200 has a convex ring 210 inside, and the inner diameter of the convex ring 210 is equal to the outer diameter of the second segment 412. The hammer 320 has a hammer core groove 321 and a hammer core 322 located in the hammer core groove 321 at its central portion on the side facing the distal end 102. The second sleeve 200 is movably arranged along the first direction X to drive the convex ring. 210 moves between the first section 411 and the second section 412. The protruding ring 210 is located in the first section 411, and the extension direction of the firing pin sleeve 410 intersects with the first direction X. The first section 411 abuts against the hammer 320. The protruding ring 210 is located in the second section 412, and the protruding ring 210 abuts against the second section 412 so that the extension direction of the firing pin sleeve 410 is parallel to the first direction X. The first section 411 is opposite to the core groove 321. The first elastic member 310 is configured to push the hammer 320 toward the distal end 102 so that the first section 411 falls into the core groove 321 and the core 322 extends into the firing pin sleeve 410 to strike the firing pin 420 and move toward the distal end 102.

[0051] In these optional embodiments, the impact groove 321 is located on the side of the impact hammer 320 facing the distal end 102. The impact groove 321 is located at the center of the impact hammer 320 along the first direction X, and the opening direction of the impact groove 321 faces the distal end 102. The outer diameter of the second segment 412 is larger than the outer diameter of the first segment 411, and the inner diameter of the convex ring 210 is equal to the outer diameter of the second segment 412, that is, the inner diameter of the convex ring 210 is larger than the outer diameter of the first segment 411. Figure 2As shown, when the convex ring 210 is located in the first section 411, the inner diameter of the convex ring 210 is larger than the outer diameter of the first section 411. The extending direction of the firing pin sleeve 410 intersects with the first direction X. The first section 411 abuts against the side of the hammer 320 facing the distal end 102. At this time, the impact core groove 321 is misaligned with the first section 411. In this state, when the second sleeve 200 is pressed, the second sleeve 200 compresses the first elastic element 310 to store energy in the direction of the distal end 102. The second section 412 is located on the side of the first section 411 facing the distal end 102. As the second sleeve 200 drives the convex ring 210 to move towards the distal end 102 until the convex ring 210 is located in the second section 412, as... Figure 3 As shown, since the inner diameter of the convex ring 210 is equal to the outer diameter of the second segment 412, the second segment 412 is inserted into the convex ring 210. The convex ring 210 straightens the firing pin sleeve 410 so that the extension direction of the firing pin sleeve 410 is parallel to the first direction X, aligning the first segment 411 with the firing core groove 321. The abutting state between the firing pin sleeve 410 and the hammer 320 is released, causing the first elastic element 310 to release its elastic force instantaneously, pushing the hammer 320 so that the first segment 411 is precisely embedded in the firing core groove 321. The firing core 322 then hammers into the firing pin sleeve 410 to strike the firing pin 420. The doctor only needs to hold and press the second sleeve 200 with one hand to complete the entire process of "compressing the first elastic element 310 - unlocking the firing pin sleeve 410 - triggering the impact", without the need for an additional knob to unlock or trigger action, significantly reducing the complexity of operation.

[0052] The hammer 320, hammer pin 420, and push rod 510 provide clear tactile feedback, allowing the surgeon to clearly perceive system state changes, such as a "click" sound or tactile indication that the anchor 10 has been implanted.

[0053] Optional, such as Figure 1 As shown, the first elastic element 310 can be a spring extending along the first direction X. By setting springs with different stiffness coefficients, it can adapt to the full range of needs from soft tissue anchors 10 (such as rotator cuff tendons) to bone anchors 10.

[0054] Optional, such as Figure 2 As shown, the convex ring 210 is located on the side of the hammer 320 facing the distal end 102, and the inner diameter of the convex ring 210 is smaller than the outer diameter of the hammer 320. The convex ring 210 is used to limit the range of movement of the hammer 320 within the second sleeve 200. Figure 3 As shown, when the convex ring 210 is located in the second section 412, at least part of the first section 411 is located on the side of the convex ring 210 facing the hammer 320.

[0055] Optional, such as Figure 2 , Figure 3 , Figure 7 and Figure 8As shown, the firing pin sleeve 410 includes a first channel 415, which extends along the extension direction of the firing pin sleeve 410. The firing pin 420 is located in the first channel 415. When the convex ring 210 is located in the second section 412, the extension direction of the first channel 415 is parallel to the first direction X. The impact core 322 of the first channel 415 is directly opposite to the first direction X. The hammer 320 moves toward the distal end 102. The first section 411 extends into the impact core groove 321. The impact core 322 extends into the first channel 415 to strike the firing pin 420. The firing pin 420 moves along the extension direction of the first channel 415, that is, along the first direction X. When the convex ring 210 is located in the first section 411, the extension direction of the first channel 415 intersects with the first direction X. The first channel 415 and the impact core 322 are misaligned, so the impact core 322 cannot enter the first channel 415. Thus, when the second sleeve 200 moves in the direction close to the distal end 102, the impact hammer 320 remains stationary. The second sleeve 200 and the impact hammer 320 compress the first elastic element 310 to store force.

[0056] Optional, such as Figures 9 to 12 As shown, the push rod cylinder 520 includes a second channel 523, with the push rod 510 located in the second channel 523, which extends along a first direction X. Figure 3 As shown, when the convex ring 210 is located in the second section 412, the first channel 415 extends along the first direction X and connects with the second channel 523. The impact core 322 extends into the first channel 415 to strike the impact pin 420. The impact pin 420 extends along the first direction X into the second channel 523 to push the push rod 510 to move in the direction away from the proximal end 101.

[0057] like Figure 7 and Figure 8 As shown, in some optional embodiments, the firing pin sleeve 410 further includes a guide section 413 located between the first section 411 and the second section 412, with the outer diameter of the guide section 413 gradually increasing in the direction away from the proximal end 101.

[0058] In these optional embodiments, the guide section 413 features a gradually changing outer diameter design, ensuring that the convex ring 210 of the second sleeve 200 experiences uniform force during sliding. This reduces the likelihood of jamming or impact caused by the abrupt change in the outer diameters of the first section 411 and the second section 412, ensuring a smoother transition from the "charged state" to the "firing state." The guide section 413 guides the convex ring 210 smoothly from the first section 411 to the second section 412, ensuring that the firing pin sleeve 410 is aligned with the first section 411 and the firing pin groove 321. As the protruding ring 210 moves along the guide section 413, sliding friction occurs between the first section 411 and the surface of the hammer 320. The first section 411 gradually moves toward the core groove 321, and the surgeon can feel the resistance gradually increasing. When the protruding ring 210 reaches the second section 412, the surgeon can obtain a clear tactile sensation and feel the first section 411 slipping, the hammer 320 impacting, and the entire process of the anchor 10 being driven in.

[0059] Optionally, the first section 411, the guide section 413, and the second section 412 are integrated into one structure, thereby improving the structural strength of the firing pin sleeve 410.

[0060] like Figures 1 to 3 As shown, in some optional embodiments, the anchor implantation device further includes a second elastic element 430, and the firing pin sleeve 410 further includes a third section 414 located on the side of the second section 412 facing the distal end 102. The second elastic element 430 abuts between the convex ring 210 and the third section 414. The convex ring 210 is located in the second section 412. The second elastic element 430 is in a compressed state and is used to provide a restoring force to the second sleeve 200 in the direction away from the distal end 102.

[0061] In these optional embodiments, the anchor implantation device further optimizes the device's reset performance by adding a second elastic element 430 and a third section 414 of the firing pin sleeve 410. When the second sleeve 200 moves the convex ring 210 toward the distal end 102, the convex ring 210 and the third section 414 move closer to each other and compress the second elastic element 430. During the process of the convex ring 210 of the second sleeve 200 moving from the second section 412 back to the first section 411, the rebound force of the second elastic element 430 pushes the convex ring 210 back to the first section 411, reducing the surgeon's manual adjustment steps, allowing the instrument to quickly return to its initial state, facilitating continuous operation, and significantly improving surgical efficiency.

[0062] Optional, such as Figure 1 As shown, the outer diameter of the third segment 414 is larger than that of the second segment 412, and the second elastic member 430 is sleeved outside the first segment 411 and the second segment 412.

[0063] like Figure 2 and Figure 3As shown, in some optional embodiments, the second elastic member 430 includes a first surface 431 facing the third segment 414, the first surface 431 abutting against the third segment 414, the protruding ring 210 located in the first segment 411, the angle between the first surface 431 and the first direction X being an acute angle, and the extension direction of the firing pin sleeve 410 intersecting the first direction X.

[0064] In these alternative embodiments, the convex ring 210 is located in the first segment 411, and the first surface 431 forms an acute angle with the first direction X, causing the second elastic member 430 to generate an oblique elastic force, pushing the firing pin sleeve 410 to remain tilted. The extension direction of the firing pin sleeve 410 intersects with the first direction X, reducing the probability that the first segment 411 is directly aligned with the core groove 321, so as to facilitate the energy storage of the first elastic member 310. The convex ring 210 is located in the second segment 412, and the convex ring 210 defines the extension direction of the firing pin sleeve 410 as parallel to the first direction X.

[0065] Optional, such as Figure 2 As shown, the second elastic element 430 is a spring, and the first surface 431 of the second elastic element 430 is the end face of the spring that contacts the third section 414.

[0066] Optional, such as Figure 8 and Figure 9 As shown, the firing pin sleeve 410 has a first end face 416 facing the distal end 102, and the push rod sleeve 520 has a second end face 524 facing the proximal end 101. The first end face 416 and the second end face 524 are in contact with each other. The first end face 416 is a spherical surface that protrudes in the direction of the distal end 102; and / or, the second end face 524 is a spherical surface that protrudes in the direction of the proximal end 101. At least one of the first end face 416 and the second end face 524 is spherical. When the convex ring 210 is located in the first section 411, the first surface 431 of the second elastic member 430 is in non-parallel contact with the third section 414. The first end face 416 and the second end face 524 are in contact with each other and at least one of the first end face 416 and the second end face 524 is spherical. The firing pin sleeve 410 leans against the inner wall of the second sleeve 200. The extension direction of the firing pin sleeve 410 intersects with the first direction X, rather than being parallel, thereby ensuring the reliability of the standby state of the anchor implantation device.

[0067] Optional, such as Figure 8 As shown, the first end face 416 is located on the side of the third segment 414 facing the distal end 102.

[0068] like Figure 1 , Figure 9 , Figure 10 and Figure 11As shown, in some optional embodiments, the push rod cylinder 520 includes a body portion 521 and a second adjustment portion 522. The second adjustment portion 522 is movably mounted on one end of the body portion 521 facing the proximal end 101 along a first direction X. The push rod 510 is disposed through the body portion 521 and the second adjustment portion 522. The push rod 510 includes a rod portion 511 and a head 512. The head 512 is located on the side of the rod portion 511 facing the proximal end 101. A third elastic member 530 is disposed inside the push rod cylinder 520. The head 512 is disposed between the third elastic member 530 and the second adjustment portion 522. The third elastic member 530 abuts against the head 512 and the inner wall of the body portion 521 to provide elastic force to the push rod 510 in the direction of the proximal end 101.

[0069] In these optional embodiments, the third elastic member 530 continuously applies a spring force to the head 512 of the push rod 510 in the direction of the proximal end 101, ensuring that the head 512 of the push rod 510 abuts against the side of the second adjusting part 522 away from the proximal end 101 in the non-firing state, so that the push rod 510 can quickly return to its original position after pushing out the anchor 10. The second adjusting part 522 is movably installed along the first direction X, and the relative position of the second adjusting part 522 and the body part 521 can be changed by screwing in or out, thereby precisely controlling the initial distance between the push rod 510 and the anchor 10 to meet the needs of different sized anchors 10 or implantation depths. The third elastic member 530 keeps the head 512 of the push rod 510 in close contact with the second adjusting part 522 at all times, ensuring that the energy is evenly and smoothly transmitted to the push rod 510 when the firing pin 420 impacts.

[0070] Optional, such as Figure 9 As shown, the second end face 524 is located on the side of the second adjustment part 522 facing the proximal end 101.

[0071] Optional, such as Figure 9 and Figure 11 As shown, the second channel 523 passes through the main body 521 and the second adjustment part 522. The push rod 510 is disposed in the second channel 523 and protrudes from the second adjustment part 522, so that the striking pin 420 can press against the part of the second channel 523 located in the second adjustment part 522 without gap, and the push rod 510 can be used to smoothly transmit the impact force of the hammer 320.

[0072] Optionally, the elastic force of the first elastic element 310 is greater than that of the third elastic element 530, so that after the hammer 320 strikes the firing pin 420, the force of the firing pin 420 pushing the push rod 510 is greater than the restoring force of the third elastic element 530, so that the push rod 510 can push the anchor 10 in the direction away from the proximal end 101. When the surgeon's hand releases the pressure applied to the second sleeve 200, the third elastic element 530 releases the restoring force in the direction of the proximal end 101, pushing the push rod 510 in the direction of the proximal end 101. The push rod 510 pushes the firing pin 420 back into the firing pin sleeve 410 in the direction of the proximal end 101, thus restoring the push rod 510 and the firing pin 420.

[0073] Optional, such as Figure 9 As shown, the second adjustment part 522 and the main body part 521 are connected by a thread.

[0074] Optionally, the main body 521 is provided through the second opening 112. The main body 521 is provided with an external thread on the side facing the first sleeve 100, and the second opening 112 is provided with an internal thread on the side facing the main body 521. The main body 521 is threadedly connected to the first sleeve 100 to facilitate disassembly and replacement, providing multiple guarantees for the use of different models of anchors 10 in different surgical environments.

[0075] like Figure 7 As shown, in some optional embodiments, the first channel 415 includes a first sub-segment 415a located in the first segment 411 and a second sub-segment 415b located in the second segment 412, wherein the diameter of the second sub-segment 415b is larger than the diameter of the first sub-segment 415a.

[0076] like Figure 7 and Figure 8 As shown, in some optional embodiments, the firing pin 420 includes a first portion 421 located in a first sub-segment 415a and a second portion 422 located in a second sub-segment 415b. The outer diameter of the first portion 421 is less than or equal to the diameter of the first sub-segment 415a, the outer diameter of the second portion 422 is less than or equal to the diameter of the second sub-segment 415b, and the outer diameter of the second portion 422 is greater than the diameter of the first sub-segment 415a.

[0077] In these alternative embodiments, the diameters of the first portion 421 and the first sub-segment 415a, and the second portion 422 and the second sub-segment 415b are matched to ensure that the firing pin 420 always moves in the first direction X, reducing lateral sway. The third elastic element 530 pushes the push rod 510 toward the proximal end 101 to push the firing pin 420 back into the firing pin sleeve 410. The diameter of the second portion 422 is larger than the diameter of the first sub-segment 415a, forming a physical stop.

[0078] like Figure 1As shown, in some optional embodiments, the second sleeve 200 includes a first adjusting portion 201 and a first sub-portion 202. The first adjusting portion 201 is detachably connected to one end of the first sub-portion 202 away from the distal end 102. A first elastic member 310 and a hammer 320 are disposed inside the first sub-portion 202. The first adjusting portion 201 covers the outside of the first sub-portion 202. The first sub-portion 202 includes a third opening 202a away from the distal end 102. The first adjusting portion 201 covers the third opening 202a. The first elastic member 310 abuts against the first adjusting portion 201 through the third opening 202a.

[0079] In these optional embodiments, the first adjusting part 201 and the first sub-part 202 are detachably connected. When the first adjusting part 201 is removed, the first elastic member 310 can be replaced through the third opening 202a. Optionally, the convex ring 210 is disposed within the first sub-part 202.

[0080] Optional, such as Figure 2 As shown, the first adjustment part 201 and the first sub-part 202 are threadedly connected. During the operation, the storage capacity of the first elastic element 310 can be changed by adjusting the relative position of the first adjustment part 201 and the first sub-part 202 along the first direction X, so as to adjust the driving force of the anchor 10.

[0081] like Figure 12 and Figure 13 As shown, in some optional embodiments, a plurality of first protrusions 201a are provided on the outer side of the first adjustment part 201. The plurality of first protrusions 201a are arranged around the first adjustment part 201 and are located between the first adjustment part 201 and the first sleeve 100. A first groove 201b is provided between two adjacent first protrusions 201a.

[0082] In these optional embodiments, a plurality of first protrusions 201a and a plurality of first grooves 201b are alternately arranged along the periphery of the first adjustment portion 201. By setting the first protrusions 201a and the first grooves 201b, the contact area between the first sleeve 100 and the second sleeve 200 can be reduced. That is, the first protrusions 201a of the second sleeve 200 contact the first sleeve 100, thereby reducing the contact area between the first sleeve 100 and the second sleeve 200, reducing the frictional force of the second sleeve 200 relative to the first sleeve 100, ensuring smoother axial movement of the second sleeve 200, and especially reducing the "piston" gas accumulation or negative pressure effect generated by the second sleeve 200 when the first sleeve 100 receiving cavity 110 moves.

[0083] like Figure 1 and Figure 14As shown, in some optional embodiments, the second sleeve 200 further includes a second sub-part 203, which is detachably connected to one end of the first sub-part 202 facing the distal end 102. A plurality of second protrusions 203a are provided on the outer side of the second sub-part 203. The plurality of second protrusions 203a are arranged around the second sub-part 203 and are located between the second sub-part 203 and the first sleeve 100. A second groove 203b is provided between two adjacent second protrusions 203a.

[0084] In these optional embodiments, a plurality of second protrusions 203a and a plurality of second grooves 203b are alternately arranged along the periphery of the second sub-part 203. By providing the second protrusions 203a and the second grooves 203b, the contact area between the first sleeve 100 and the second sleeve 200 can be reduced. That is, the second protrusions 203a of the second sleeve 200 contact the first sleeve 100, thereby reducing the contact area between the first sleeve 100 and the second sleeve 200, reducing the frictional force of the second sleeve 200 relative to the first sleeve 100, ensuring smoother axial movement of the second sleeve 200, and especially reducing the "piston" gas accumulation or negative pressure effect generated by the second sleeve 200 when the first sleeve 100 receiving cavity 110 moves.

[0085] Optional, such as Figures 1 to 3 As shown, the firing pin assembly 400 is located within the second sub-section 203 and extends into the first sub-section 202, and the push rod assembly 500 has one end facing the proximal end 101 located within the second sub-section 203. The second sub-section 203 is detachably connected to the end of the first sub-section 202 facing the distal end 102 to facilitate replacement or maintenance of the firing pin assembly 400.

[0086] like Figure 1 , Figure 15 , Figure 16 , Figure 17 and Figure 18 As shown, in some optional embodiments, the body portion 521 is provided with a receiving groove 540 at one end away from the proximal end 101. The receiving groove 540 is used to receive the anchor 10. The receiving groove 540 is located on the side of the push rod 510 away from the proximal end 101. The anchor 10 includes an ear 18. The body portion 521 has a recess 541 located in the receiving groove 540 and disposed opposite to it along a direction perpendicular to the first direction X. The recess 541 is used to receive the ear 18 to position and load the anchor 10 into the receiving groove 540.

[0087] In these alternative embodiments, the anchor 10 is located within the receiving groove 540, and the ear portion 18 of the anchor 10 is embedded in the recess 541 of the receiving groove 540 of the body portion 521, forming a lateral mechanical interlock, so that the anchor 10 can be fixed in the receiving groove 540 before the push rod 510 pushes out the anchor 10. The second channel 523 communicates with the receiving groove 540, and the push rod 510 can move along the first direction X toward the distal end 102 and enter the receiving groove 540 through the second channel 523 to push the anchor 10 into the organism.

[0088] like Figure 16 and Figure 18 As shown, in some optional embodiments, the body portion 521 is provided with a receiving portion 550 at one end away from the proximal end 101. The receiving portion 550 surrounds and forms a receiving groove 540. The receiving portion 550 has recesses 541 on both sides along the second direction Y and clearance openings 551 on both sides along the third direction Z. The first direction X, the second direction Y and the third direction Z intersect each other.

[0089] In these alternative embodiments, the anchor 10 is placed on the bracket 21, which is used to fix the position of the anchor 10. The clearance opening 551 faces away from the proximal end 101. The receiving portion 550 is aligned with the bent portion 13 and moved toward the first tip 11 and the second tip 12. The clearance opening 551 avoids the bracket 21 used to place the anchor 10. By gradually pushing the anchor 10 into the receiving groove 540, the positioning and loading of the anchor 10 is completed when the ear 18 is engaged with the recess 541, which facilitates one-handed operation during the operation.

[0090] Optionally, the first direction X, the second direction Y, and the third direction Z are all perpendicular to each other.

[0091] like Figure 19 As shown, a second aspect embodiment of this application provides an anchor 10, including: a first tip 11, a second tip 12, and a bent portion 13. The first tip 11 is connected to one end of the bent portion 13, and the second tip 12 is connected to the other end of the bent portion 13. The first tip 11 and the second tip 12 are arranged adjacent to each other along a second direction Y. Along the second direction Y, the first tip 11 has a first inclined surface 14 facing the side of the second tip 12, and the second tip 12 has a second inclined surface 15 facing the side of the first tip 11. Along the direction close to the bent portion 13, the distance between the first inclined surface 14 and the second inclined surface 15 gradually decreases.

[0092] In this embodiment, the first tip 11 and the second tip 12 of the anchor 10 are inserted into the organism. The distance between the first inclined surface 14 and the second inclined surface 15 gradually decreases along the direction close to the bending portion 13, that is, the distance between the first inclined surface 14 and the second inclined surface 15 gradually decreases along the direction away from the organism. The opposite inclination of the first inclined surface 14 and the second inclined surface 15 constitutes a bidirectional barb structure. During the implantation process, the first inclined surface 14 and the second inclined surface 15 guide the first tip 11 and the second tip 12 to be inclined in a direction away from each other and be inserted into the organism. The bending portion 13 has a "U" shaped structure. After the first tip 11 and the second tip 12 are inserted into the organism at an inclination, the bending portion 13 provides an elastic force that brings the first tip 11 and the second tip 12 closer to each other, thereby making the anchor 10 clamp the organism tissue located between the first tip 11 and the second tip 12, improving the "stitched" healing ability of the organism tissue, and also improving the tight bonding strength between the anchor 10 anchoring the implanted material and the organism.

[0093] like Figure 19 As shown, in some optional embodiments, along the second direction Y, the bent portion 13 has two ears 18 disposed opposite to each other along the second direction Y, the ears 18 protruding relative to the bent portion 13 along the second direction Y.

[0094] In these alternative embodiments, the two awls 18 protrude along the second direction Y, i.e., perpendicular to the implantation direction of the anchor 10. When the anchor 10 is loaded into the receiving groove 540 of the first aspect anchor implantation device, the awls 18 of the anchor 10 are embedded in the recesses 541 of the receiving groove 540 of the body portion 521, forming a lateral mechanical interlock, so that the anchor 10 can be fixed in the receiving groove 540 before the push rod 510 pushes out the anchor 10. The second channel 523 communicates with the receiving groove 540, and the push rod 510 can move along the first direction X toward the distal end 102 and enter the receiving groove 540 through the second channel 523 to push the anchor 10 into the organism.

[0095] Optionally, the first direction X and the second direction Y are perpendicular to each other, and the main body 521 has two recesses 541 located in the receiving groove 540 and arranged opposite each other along the second direction Y. The two recesses 541 are used to hold the two ears 18 respectively.

[0096] Optional, such as Figure 1 As shown, the anchor 10 is fixed in the receiving groove 540, the first tip 11 and the second tip 12 are located on the side of the bent portion 13 away from the proximal end 101 along the first direction X, and the push rod 510 pushes the anchor 10 into the organism by pushing the bent portion 13 away from the side of the first tip 11 and the second tip 12 along the first direction X.

[0097] Optional, such as Figure 19As shown, the first tip 11 also has a first barb 16 facing the side of the second tip 12, and the second tip 12 has a second barb 17 facing the side of the first tip 11. The first barb 16 is located on the side of the first inclined surface 14 facing the bent portion 13, and the second barb 17 is located on the side of the second inclined surface 15 facing the bent portion 13. Along the direction close to the bent portion 13, the distance between the first barb 16 and the second barb 17 gradually decreases. When the first tip 11 and the second tip 12 of the anchor 10 are inserted into the organism, the distance between the first barb 16 and the second barb 17 gradually decreases along the direction close to the bent portion 13, that is, the distance between the first barb 16 and the second barb 17 gradually decreases along the direction away from the organism. The opposing inclinations of the first barb 16 and the second barb 17 constitute a bidirectional barb structure. During the implantation process, the first inclined surface 14, the second inclined surface 15, the first barb 16 and the second barb 17 guide the first tip 11 and the second tip 12 to incline in a direction away from each other and insert into the organism. The body has a U-shaped bending portion 13. After the first tip 11 and the second tip 12 are inserted into the organism at an angle, the bending portion 13 provides elastic force that brings the first tip 11 and the second tip 12 closer together and the first barb portion 16 and the second barb portion 17 closer together. This allows the anchor 10 to clamp the organism tissue located between the first tip 11 and the second tip 12 and the first barb portion 16 and the second barb portion 17, thereby improving the "stitched" healing ability of the organism tissue and also improving the tight bonding strength between the anchor 10 and the implanted material and the organism.

[0098] Optional, such as Figure 19 As shown, there are at least two first barbs 16 and two second barbs 17. Multiple first barbs 16 are spaced apart along the first direction X, and multiple second barbs 17 are spaced apart along the first direction X, thereby improving the bonding force between the anchor 10 and the biological tissue.

[0099] like Figure 20 and Figure 21 As shown, the third aspect of this application provides an anchor 10 bracket 21, including: a housing 20 and a bracket 21 located inside the housing 20. The bracket 21 is provided with a plurality of fixing grooves 22, which are spaced apart along the extension direction of the bracket 21. Each fixing groove 22 is used to fix the anchor 10. A partition 23 is provided between adjacent fixing grooves 22, and the partition 23 is used to isolate each anchor 10.

[0100] In this embodiment, multiple anchors 10 are placed in the fixing groove 22 along the extension direction of the bracket 21. The fixing groove 22 is used to fix the anchors 10. There is a partition 23 between adjacent fixing grooves 22. The partition 23 can separate the anchors 10. The receiving part 550 is aligned with the bending part 13 and moved towards the first tip 11 and the second tip 12. The clearance opening 551 avoids the bracket 21. By gradually pushing the anchors 10 into the receiving groove 540, the installation of the anchors 10 is completed when the ear 18 is engaged with the recess 541, which is convenient for one-handed operation during the operation.

[0101] Although the present application has been described with reference to preferred embodiments, various modifications may be made thereto and components may be substituted with equivalents without departing from the scope of the present application. In particular, the various technical features described in the various embodiments may be combined in any manner as long as there are no structural conflicts. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. An anchor implantation device, characterized in that, include: A first sleeve has a proximal end and a distal end disposed opposite to each other along a first direction. The first sleeve has a receiving cavity. The proximal end of the first sleeve is provided with a first opening communicating with the receiving cavity, and the distal end of the first sleeve is provided with a second opening communicating with the receiving cavity. A second sleeve is provided through the first opening, with one end of the second sleeve extending into the receiving cavity and the other end of the second sleeve protruding from the first opening; A push rod assembly, comprising a push rod and a push rod cylinder, wherein the push rod cylinder is disposed through the second opening and extends into the receiving cavity, and one end of the push rod cylinder opposite to the proximal end extends outside the receiving cavity and is used to set an anchor pin, and the push rod is movably disposed in the push rod cylinder along the first direction; A drive assembly is disposed in the second sleeve, the drive assembly including a first elastic element and a hammer, the first elastic element being located on the side of the hammer away from the push rod assembly; A firing pin assembly includes a firing pin sleeve and a firing pin located within the firing pin sleeve. The firing pin sleeve abuts between the hammer and the push rod sleeve. A second sleeve is movably configured along a first direction toward the distal end for cooperating with the firing pin sleeve to compress the first elastic element. The firing pin is located between the push rod and the hammer. The first elastic element provides elastic force to the hammer to cause the hammer to strike the firing pin toward the distal end. The firing pin strikes the push rod to drive the anchor into the organism.

2. The anchor implantation device according to claim 1, characterized in that, The firing pin sleeve is located inside the second sleeve. The firing pin sleeve includes a first section and a second section arranged sequentially along the extending direction of the firing pin sleeve. The second section is located on the side of the first section facing the distal end. The outer diameter of the second section is larger than the outer diameter of the first section. The second sleeve has a convex ring inside, and the inner diameter of the convex ring is equal to the outer diameter of the second section. The hammer has a striking core groove and a striking core located in the striking core groove at its central portion on the side facing the distal end. The second sleeve is movable along the first direction to drive the convex ring in the first section. The first section moves between the first and second sections, with the convex ring located in the first section, the extension direction of the firing pin sleeve intersecting the first direction, and the first section abutting against the hammer; the convex ring is located in the second section, and the convex ring abuts against the second section so that the extension direction of the firing pin sleeve is parallel to the first direction, the first section is disposed opposite to the core groove, and the first elastic element is configured to push the hammer toward the distal direction so that the first section enters the core groove, and the core extends into the firing pin sleeve to strike the firing pin moving toward the distal direction.

3. The anchor implantation device according to claim 2, characterized in that, The firing pin sleeve also includes a guide section located between the first section and the second section, and the outer diameter of the guide section gradually increases in the direction away from the proximal end.

4. The anchor implantation device according to claim 2, characterized in that, The firing pin sleeve includes a first channel extending along the first direction. The first channel includes a first sub-segment located in the first section and a second sub-segment located in the second section. The diameter of the second sub-segment is greater than the diameter of the first sub-segment. The firing pin includes a first portion located in the first sub-segment and a second portion located in the second sub-segment. The outer diameter of the first portion is less than or equal to the diameter of the first sub-segment, and the outer diameter of the second portion is less than or equal to the diameter of the second sub-segment, and the outer diameter of the second portion is greater than the diameter of the first sub-segment.

5. The anchor implantation device according to claim 2, characterized in that, The anchor implantation device further includes a second elastic element, and the firing pin sleeve further includes a third section located on the side of the second section facing the distal end. The second elastic element abuts between the convex ring and the third section. The convex ring is located in the second section. The second elastic element is in a compressed state and is used to provide a restoring force to the second sleeve in the direction away from the distal end.

6. The anchor implantation device according to claim 5, characterized in that, The second elastic element includes a first surface facing the third segment, the first surface abutting against the third segment, the convex ring being located in the first segment, the angle between the first surface and the first direction being an acute angle, and the extension direction of the firing pin sleeve intersecting the first direction.

7. The anchor implantation device according to claim 1, characterized in that, The second sleeve includes a first adjusting part and a first sub-part. The first adjusting part is movably connected to the end of the first sub-part away from the distal end along the first direction. The first elastic member and the hammer are disposed inside the first sub-part. The first adjusting part covers the outside of the first sub-part. The first sub-part includes a third opening away from the distal end. The first adjusting part covers the third opening. The first elastic member is located between the hammer and the first adjusting part, and the first elastic member abuts against the first adjusting part through the third opening.

8. The anchor implantation device according to claim 1, characterized in that, The push rod cylinder includes a body and a second adjustment part. The second adjustment part is movably mounted on the end of the body facing the proximal end along the first direction. The push rod passes through the body and the second adjustment part. The push rod includes a rod and a head. The head is located on the side of the rod facing the proximal end. A third elastic element is provided inside the push rod cylinder. The head is located between the third elastic element and the second adjustment part. The third elastic element abuts against the head and the inner wall of the body to provide elastic force to the push rod in the direction of the proximal end.

9. The anchor implantation device according to claim 8, characterized in that, The body portion is provided with a receiving groove at one end away from the proximal end. The receiving groove is used to receive the anchor. The receiving groove is located on the side of the push rod away from the proximal end. The anchor includes an ear. The body portion has a recess located in the receiving groove and disposed opposite to it along a direction perpendicular to the first direction. The recess is used to receive the ear to position and load the anchor into the receiving groove.

10. An anchor bolt, characterized in that, include: A first tip, a second tip, and a bent portion, wherein the first tip is connected to one end of the bent portion, and the second tip is connected to the other end of the bent portion, and the first tip and the second tip are arranged adjacent to each other along a second direction; Along the second direction, the first tip has a first inclined surface facing the side of the second tip, and the second tip has a second inclined surface facing the side of the first tip. Along the direction close to the bend, the distance between the first inclined surface and the second inclined surface gradually decreases.

11. The anchor bolt according to claim 10, characterized in that, Along the second direction, the bent portion has two ears arranged opposite to each other along the second direction, and the ears protrude relative to the bent portion along the second direction.

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