Knotting-free medical repair assembly and pre-configuration method thereof

Abstract

The invention relates to a knotting-free medical repair assembly and a pre-configuration method thereof, and the medical repair assembly comprises an anchoring part which is provided with a first end part and a second end part; the suture line at least penetrates through a part of the anchoring part, the suture line is provided with a cable eye, and the cable eye is located on one side of the first end part and / or the second end part in the extending direction of the suture line; and at least one traction member partially passing through the eyelet of the suture line. According to the medical repair assembly, the rope eye is located outside the anchoring piece in the using state, the resistance for pulling the suture line when the annular shape is tightened can be reduced, the closing degree of the annular shape can be accurately controlled, and furthermore, the two ends of the suture line can be pulled at the same time or alternately, so that the tension of different parts can be adjusted, controlled and balanced; and negative effects caused by excessive concentration of local stress are avoided.

Description

Technical Field

[0001] This application relates to the technical field of medical devices, and particularly to a knotless medical repair component and its pre-configuration method. Background Art

[0002] The shoulder joint has the largest range of motion in the human body, so its stability is relatively poor. Shoulder joint dislocation can cause symptoms such as shoulder pain and limited function, seriously affecting the daily life of patients. It is reported that anterior shoulder instability (ASI) accounts for about 95.0% of shoulder joint dislocations.

[0003] The injuries caused by ASI are divided into soft tissue injuries and hard tissue injuries. Soft tissue injuries include inferior glenohumeral ligament injuries, glenoid labrum-capsular injuries, etc. The Bankart repair is the most widely used surgery for treating ASI. By implanting ≥3 anchors in the anteroinferior part of the glenoid, the glenoid labrum-capsular is tightened and repaired to restore the soft tissue stability effect on the anterior side of the joint.

[0004] In a systematic review study with a 10-year clinical follow-up, it was found that up to 31% of patients still had joint instability and 16% had redislocation after Bankart repair, indicating that the treatment effect of Bankart repair may gradually decline over time. Therefore, how to firmly perform the tightening repair of the glenoid labrum-capsular so that the repaired glenoid labrum will not redislocate is particularly important for joint injury repair.

[0005] Whether it is a hard suture anchor such as metal or polyetheretherketone or a full suture soft suture anchor, during the surgical operation, the suture needs to be first tied to the soft tissue and then the soft tissue is fixed at the anchorage or the surgical site by tying a knot with the suture. Although this method can effectively treat joint soft tissue injuries, it will significantly increase the doctor's surgical operation time during the operation, and connective tissue may be generated at the suture knot after the operation, resulting in a foreign body sensation and thus prone to postoperative inflammatory reactions. Therefore, how to achieve knotless operation during soft tissue repair is crucial for the doctor to save operation time during the operation and the patient's postoperative management.

[0006] Compared with traditional metal or polyetheretherketone suture anchors, the bone tunnels required for the implantation of full suture anchors and knotless full suture anchors are smaller in diameter. During the process of gathering the suture into a knot, due to the small volume of the bone tunnel, the suture accommodation space is further reduced after compressing the anchor, resulting in problems such as difficult suture gathering and a strong sense of cutting.

[0007] For arthroglenolabral-capsular tightening repair using a knotless all-suture anchor, current commercially available products often require a large amount of force to tighten the suture during use. The tightening process generally uses single-handed tightening or uses appropriate tools to assist in tightening. During this process, the knotless all-suture anchor may over-tighten the relevant soft tissues due to excessive suture tightening force, and even cut the soft tissues due to the suture cutting force. Summary of the Invention

[0008] This application provides a repair device that can further improve the control accuracy, reduce the operation difficulty, and reduce the mistakes during the tightening process based on the knotless usage method.

[0009] A knotless medical repair component of this application includes:

[0010] An anchor having a first end and a second end;

[0011] A suture that at least passes through a part of the anchor. The suture has a grommet. Along the extension direction of the suture, the grommet is located on one side of the first end and / or the second end;

[0012] At least one traction member that partially passes through the grommet of the suture.

[0013] In this application, the grommet is located on one side of the end of the anchor, which can reduce the influence on the grommet during the deformation of the anchor, avoid excessive resistance when the traction member or the suture passes through the grommet, improve the operation accuracy, and reduce the safety risk of the operation.

[0014] The following also provides several optional ways, but they are not additional limitations to the above overall solution. They are only further supplements or preferences. On the premise of no technical or logical contradiction, each optional way can be combined with the above overall solution alone, or multiple optional ways can be combined with each other.

[0015] In one embodiment, the grommet includes at least two spaced-apart locations.

[0016] The two grommets can be used for the different end parts of the suture to pass through, and multiple tension adjustment parts can be formed, which is beneficial to the conduction and balance of tension.

[0017] In one embodiment, there is only one suture, and all the grommets are arranged on the same suture.

[0018] Using one suture can avoid the interference between multiple sutures. Arranging all the grommets on this suture further simplifies the structure, reduces the number of components, and is more conducive to processing and pre-configuration or on-site adjustment.

[0019] In one embodiment, all the eyelets are located outside the anchor.

[0020] The inside of the anchor has a threading channel. The eyelets not only do not enter the threading channel, but also avoid being wound or wrapped by the anchor, that is, they are located outside the anchor, which can improve the feel during the pulling operation and facilitate control.

[0021] In one embodiment, there are two traction members, each passing through a corresponding eyelet, and the two traction members are independently configured or connected to each other.

[0022] The two traction members cooperate with the corresponding eyelets one by one, which can more flexibly configure the types of eyelets and reduce the limitations of structural design.

[0023] In one embodiment, the traction member also passes through the anchor.

[0024] The traction member can pass through the anchor in advance, that is, in a pre-configured state, which is more convenient for doctors to operate and reduces the learning cost. It can also further improve the surgical efficiency and reduce the dependence on auxiliary tools.

[0025] In one embodiment, the anchor is a full-suture anchor and has a threading channel inside, and the threading channel is open at the first end and the second end;

[0026] The traction member includes a first traction member and a second traction member. One end of the first traction member and one end of the suture both pass through the anchor via the threading channel.

[0027] The design of the threading channel facilitates the suture and the traction member to quickly and accurately pass through the anchor. The two traction members can act on one end of the suture respectively, making the process of forming a loop of the suture more flexible and capable of providing multiple pulling force application points.

[0028] In one embodiment, at least a part of the suture can be radially deformed to provide the eyelet.

[0029] Since the keyhole is outside the anchor, the suture adopts a radially deformed way to provide the keyhole, which can make the medical repair component have higher flexibility as a whole and reduce the safety risk.

[0030] In one embodiment, the traction member is a wire structure, including a traction loop and an extension part connected to the traction loop, wherein the wire diameter of the part forming the traction loop is smaller than that of the extension part.

[0031] The wire diameter of the traction loop part is slightly smaller, which is convenient for pulling the end of the suture to pass through the eyelet and reduces the pulling resistance. In addition, the relatively thicker extension part can avoid being cut when applying a pulling force.

[0032] The present application also provides a method for pre-configuring a knot-free medical repair component, comprising:

[0033] Providing an anchor, a suture and two traction members, wherein the suture has two eyelets arranged at intervals;

[0034] Pass each of the traction members through a corresponding eyelet;

[0035] One end of the suture and a traction member adjacent to the end are passed through the anchor, keeping each of the eyelets outside of the anchor.

[0036] The pre-configuration method of the present application can be combined with the composition and structural characteristics of the medical repair components of the present application for corresponding pre-assembly, which can reduce the operation time and the probability of misoperation at the surgical site, improve efficiency, and facilitate the standardization of the process.

[0037] In one embodiment, the traction member is a cable structure, including a traction ring and an extension portion connected to the traction ring;

[0038] The pre-configuration method further comprises:

[0039] The ends of the suture are inserted into corresponding traction rings, and the ends of the suture are driven through corresponding eyelets by the traction members. One end is also led through the interior of the anchor member so that the suture itself is wound into a ring shape, and each end extends out of the corresponding eyelet to form a tap.

[0040] The present application also provides a knot-free medical repair component, comprising:

[0041] An anchor, used for fixing to a preset position;

[0042] A suture with an eyelet, wherein the suture has a use state in which the suture passes through the anchor and is wound around itself into a ring. In the use state, the eyelet is located outside the anchor, at least a portion of the suture passes through the eyelet, and the passing portion is retained by the eyelet to limit the expansion of the ring.

[0043] In the medical repair component of the present application, the eyelet is located outside the anchor, which can reduce the impact on the eyelet during the deformation of the anchor, avoid excessive resistance when the traction member or suture passes through the eyelet, and improve operational accuracy and reduce safety risks of operation.

[0044] In one embodiment, the suture has a first end and a second end opposite to each other, and the eyelet includes two locations arranged at intervals. In use, the first end and the second end are passed through corresponding eyelets to form a tap for pulling and closing the ring.

[0045] In one embodiment, along the extension direction of the suture thread, the locations where the first end and the second end form taps are located between two eyelets and extend toward each other.

[0046] In one embodiment, along the extension direction of the suture, the eyelet includes a first eyelet far away from the first end and a second eyelet close to the first end;

[0047] In the use state, the first end head is further extended through the first eyelet via the anchor, and the second end head is further extended through the second eyelet via the anchor.

[0048] The present application also provides a knot-free suture, wherein the suture has a first end and a second end opposite to each other, and the suture has at least two eyelets arranged at intervals.

[0049] The suture of the present application can be respectively threaded and bounded at each end of the suture through multiple eyelets, providing multiple independent pulling force points when in use, which can adapt to more usage scenarios and further optimize the stress distribution of the suture.

[0050] In one embodiment, the suture has a use state in which it is wound into a ring. In the use state, the first end and the second end are respectively passed through corresponding eyelets to form taps for pulling and closing the ring. When the ring has an expansion tendency, the eyelets correspondingly tighten the passing portion of the suture to limit the expansion of the ring.

[0051] In the medical repair component of the present application, the eye of the suture is located outside the anchor when the suture is in use, which can reduce the resistance to pulling the suture when tightening the ring, and facilitate accurate control of the degree of contraction of the ring. Furthermore, the two ends of the suture can be pulled simultaneously or alternately to regulate and balance the tension in different parts and avoid the negative impact caused by excessive local stress concentration. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the conventional technology, the drawings required for use in the embodiments or the conventional technology descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0053] Figure 1 This is a schematic structural diagram of a medical repair component according to an embodiment of the present application;

[0054] Figure 2 for Figure 1 A schematic diagram of the first end of the middle suture thread cooperating with the first traction member;

[0055] Figure 3 For Figure 2 A schematic diagram of the cooperation between the second end of the suture and the second traction member after the first end of the suture in is in place;

[0056] Figure 4 For Figure 3 A schematic diagram after the second end of the suture in Figure 3 is in place (all traction members have been withdrawn and the suture is in use);

[0057] Figure 5 For Figure 4 A schematic diagram when the anchor in Figure 4 is at the preset position;

[0058] Figure 6 For different test groups, a schematic diagram of the pulling force and corresponding displacement of the anchor;

[0059] The reference numerals of each component are as follows:

[0060] 100, bone tissue; 110, bone tunnel; 120, damaged tissue;

[0061] 200, suture; 210, body; 211, first end; 212, second end; 213, first eyelet; 214, second eyelet; 215, built-in section; 216, extension section;

[0062] 300, traction member; 310, first traction member; 311, first traction ring; 320, second traction member; 321, second traction ring;

[0063] 400, anchor; 410, first end; 420, second end. Detailed implementation manners

[0064] To make the above objects, features, and advantages of the present application more obvious and understandable, the following will describe the detailed implementation manners of the present application in conjunction with the accompanying drawings. Many specific details are set forth in the following description to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0065] It should be noted that when a component is referred to as "fixed to" or "disposed on" another component, it can be directly on the other component or there can also be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the description of this application are only for the purpose of illustration and do not represent the only implementation.

[0066] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of this application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0067] In this application, unless otherwise clearly specified and defined, the first feature may be in direct contact with the second feature "on" or "under" the second feature, or the first feature and the second feature may be in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is at a higher horizontal height (or in a certain usage state, or from a certain perspective of a drawing) than the second feature. The first feature being "below", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is at a lower horizontal height (or in a certain usage state, or from a certain perspective of a drawing) than the second feature.

[0068] Unless otherwise defined, all technical and scientific terms used in the description of this application have the same meaning as commonly understood by those skilled in the technical field to which this application belongs. The terms used in the description of this application are only for the purpose of describing specific implementations and are not intended to limit this application. The term "and / or" used in the description of this application includes any and all combinations of one or more of the related listed items.

[0069] See Figures 1 to 5 , in an embodiment of this application, a knotless medical repair component is provided, including an anchor 400, a suture 200 and at least one traction member 300. The medical repair component of this application can be used for repair and reconstruction between bones such as the distal tibiofibular joint, hallux valgus, distal radioulnar joint, acromioclavicular joint reconstruction, etc., and all have significant effects. Taking shoulder repair as an example, it can also be understood as providing a knotless shoulder repair component.

[0070] The anchor 400 is used to fix to a preset position, such as a pre-constructed bone channel or an eyelet provided by an auxiliary component. The anchor 400 can be fixed to the preset position based on its own structural characteristics, such as by threaded fitting or barbs. The anchor 400 can also adopt a deformable structure and be fixed to the preset position by its own deformation tension. For example, a full suture anchor can be used, and the anchor 400 is squeezed and deformed by the contraction of the suture 200 and then positioned in the bone channel. The structure and material of the full suture anchor itself can be selected according to its characteristics and application scenarios. For example, absorbable materials are suitable for temporary support, which can be gradually degraded and absorbed by the human body, avoiding secondary surgery; for example, non-absorbable materials are suitable for situations where permanent support is required because of their high strength and long-term stability; for example, flexible materials are suitable for repair scenarios that require flexibility because of their good flexibility; composite materials and biomaterials can meet more complex needs, combining the advantages of multiple materials while promoting tissue repair and integration. For example, polyester fiber materials can be used.

[0071] Along the extension direction of the suture 200, the anchor 400 has a first end 410 and a second end 420. In some other embodiments, the first end 410 and the second end 420 can also be understood as the shape characteristics of the anchor 400. For example, the anchor 400 is strip-shaped, and its two ends in its own extension direction serve as the first end 410 and the second end 420 respectively.

[0072] The suture 200 is a flexible structure, for example, medical sutures of appropriate thickness may be selected according to needs, such as 2# sutures.

[0073] In this embodiment, the suture 200 has an eyelet. In some embodiments, the eyelet may be formed by the cooperation between the suture 200 and the traction member 300. Therefore, it can be understood that the suture 200 at least provides a part of the eyelet.

[0074] For example, the suture 200 may include a body 210 and an eyelet disposed on the body 210. Along the extension direction of the suture 200, the eyelet is located on one side of the first end 410 or on one side of the second end 420. If there are multiple eyelets, some of the eyelets may be located on one side of the first end 410, while another part of the eyelets may be located on one side of the second end 420.

[0075] At least one portion of the pulling member 300 passes through the eyelet, so as to be connected with the end of the suture 200 and pull the end of the suture 200 through the eyelet during subsequent use.

[0076] The eyelet and the body 210 may be an integral structure or may be fixed separately. For example, in one embodiment, at least a portion of the body 210 may be radially deformed and provide an eyelet. For example, a portion of the body 210 may have a woven gap or form a tubular structure with an inner channel for the locked component (such as other parts of the body 210) to pass through. When the eyelet is pulled, it may deform to further tighten the locked component and keep the locked component in the eyelet.

[0077] In one embodiment, the suture 200 has a use state of passing through the anchor 400 and winding itself into a ring, and at this time, each traction member 300 has been pulled out of the suture 200. Based on this, it can be understood that an embodiment of the present application also provides a knot-free medical repair assembly, including:

[0078] Anchor 400, used for fixing to a preset position;

[0079] The suture 200 has an eyelet, and the suture 200 has a use state in which the suture 200 passes through the anchor 400 and is wound around itself into a ring. In the use state, the eyelet is located outside the anchor 400, at least a portion of the suture 200 passes through the eyelet, and the passed portion is retained by the eyelet to limit the expansion of the ring.

[0080] Since the suture 200 is a flexible structure, the ring mentioned in the present application does not strictly limit the extension path or specific configuration, but in terms of overall characteristics, the area surrounded by the ring can be further attached and fixed to the anchor 400 to perform joint repair.

[0081] In this embodiment, when the suture 200 is in use, the eyelet is located outside the anchor 400, and at least a portion of the suture 200, for example, at least one end portion, passes through the eyelet to form a tap. By pulling the tap, the ring can be driven to shrink to the desired size or tension level, and finally the excess portion of the tap can be sheared as needed.

[0082] Different from the prior art, in the present application, since the eyelet is located outside the anchor 400, the impact on the eyelet can be reduced during the process of the anchor 400 being deformed and anchored, avoiding excessive resistance when closing the ring, thereby reducing safety risks in operation.

[0083] In one embodiment, the suture 200 has two opposite ends, namely a first end 211 and a second end 212. When in use, each end extends toward each other from an adjacent eyelet and is successively passed through the anchor 400 and the corresponding eyelet to form a tap. When the direction of extension toward each other is closed in a ring shape, the pulling force direction of the two taps is more reasonable.

[0084] The cable eye is one continuous extending spot or multiple spots are arranged at intervals. When the cable eye is one spot, both the first end 211 and the second end 212 are passed through the cable eye.

[0085] When there are multiple grommets, the first end 211 and the second end 212 respectively pass through the corresponding grommets, that is, it is understood that there is no grommet through which both the first end 211 and the second end 212 pass, which can avoid the formation of a draw head and interference with each other during traction, so as to further improve the control accuracy.

[0086] In one embodiment, the suture 200 is only one, and all the grommets are arranged on the same suture. Based on this, it can be understood that an embodiment of the present application further provides a knot-free suture 200, the suture 200 has opposite first end 211 and second end 212, and the suture 200 is provided with at least two spaced-apart grommets. The suture 200 in this embodiment can be combined with the above embodiments and cooperate with the anchor 400 to be in a use state, or further combined with the traction member 300 to be in a pre-configured state.

[0087] Similar expressions such as passing through the grommet or passing through the anchor 400 mentioned in the present application, unless otherwise specified, do not emphasize the implementation of the passing action, such as the number of passing times or the timing, but mainly for the convenience of describing and understanding the surrounding structural characteristics of the suture 200 in different states.

[0088] Figure 1 The traction member 300 in is in a pre-configured state. In the pre-configured state, the traction member 300 passing through the grommet is convenient for guiding the end of the suture 200 to pass through the grommet, and a part of both the traction member 300 and the suture 200 also passes through the anchor 400 to reduce the operation difficulty during the operation and improve the operation efficiency.

[0089] In one embodiment, there are two traction members 300, including a first traction member 310 and a second traction member 320. The grommets are arranged at two intervals. Along the extending direction of the suture 200, the grommets include a first grommet 213 away from the first end 211 and a second grommet 214 close to the first end 211. The first traction member 310 and the second traction member 320 in the pre-configured state respectively pass through the corresponding grommets. The two traction members in this embodiment mainly provide traction rings for the two ends of the suture 200 respectively, and are used to pull the two ends of the suture 200 to pass through the corresponding grommets respectively. Therefore, the ends of the two traction members away from the traction rings can also be connected together.

[0090] The traction member 300 is a wire structure, including a traction loop and an extension connected to the loop. For example, the end portions of the first traction member 310 and the second traction member 320 are respectively provided with traction loops for the ends of the suture 200 to pass through. As for the traction member 300 itself, a medical suture with appropriate thickness can also be used. The wire diameter of the part forming the traction loop is smaller than that of the extension, that is, the wire diameter of the traction loop can be slightly thinner than other parts of the traction member 300 to reduce the penetration resistance. For example, 0# suture is used for the part forming the traction loop, and 2# suture is used for the extension.

[0091] For example, one end of the first traction member 310 is provided with a first traction loop 311. Relative to the first eyelet 213, the first traction loop 311 extends towards the second end 212, and the other end of the first traction member 310 serves as the traction end for operation.

[0092] Similarly, one end of the second traction member 320 is provided with a second traction loop 321. Relative to the second eyelet 214, the second traction loop 321 extends towards the first end 211, and the other end of the second traction member 320 serves as the traction end for operation.

[0093] Moreover, the end of the first traction member 310 with the first traction loop 311 and the second end 212 of the body 210 further extend through the anchoring member 400. The shape of the anchoring member 400 in each drawing is only for illustrative purposes and is not strictly limited. For example, when a full-suture anchor is used, its shape can change according to the force.

[0094] Based on Figure 1 the medical repair assembly shown above and the above embodiments, an embodiment of the present application further provides a pre-configuration method for a knotless medical repair assembly, including:

[0095] Providing an anchoring member 400, a suture 200, and two traction members 300, wherein the suture 200 includes a body 210 and two eyelets provided on the body 210, and the body 210 has opposite ends;

[0096] Passing each traction member 300 through the corresponding eyelet;

[0097] Passing one end of the body 210 and the traction member 300 adjacent to this end through the anchoring member 400, and keeping each eyelet outside the anchoring member 400.

[0098] Figure 2 and Figure 3The figure shows the process of respectively threading the first end 211 and the second end 212 from the pre-configuration state, wherein the first end 211 passes through the anchor 400 and the first eyelet 213 in sequence under the pulling of the first pulling ring 311 to form a tap, and then the first pulling member 310 can be pulled out. Since the second end 212 has passed through the anchor 400 in advance, it only needs to pass through the second eyelet 214 under the pulling of the second pulling ring 321 to form a tap, and then the second pulling member 320 can be pulled out.

[0099] In one embodiment, in combination Figure 4 It can be seen that in the use state, along the extension direction of the suture 200, the first end 211 and the second end 212 extend toward each other and pass through the corresponding eyelets to form a tap, and the suture 200 is wound into a ring as a whole, and the ring can be closed when the two taps are pulled.

[0100] In the loop, the inner section 215 and the outer section 216 are opposite to each other between the two eyelets, wherein at least a portion of the inner section 215 is located inside the anchor 400, and of course the inner section 215 should have a sufficient length to ensure that the eyelet is located outside the anchor 400. The inner section 215 has multiple strands and is extended and wound by the first end 211 and the second end 212, for example, the first end 211 and the second end 212 are each threaded once, while the outer section 216 is provided only by the portion of the suture 200 located between the two eyelets, that is, the first end 211 and the second end 212 do not wind around the outer section 216.

[0101] The portion where the suture thread 200 passes through the eyelet is a binding section. When the annular force gathered to the expected extent has an expansion tendency, the eyelet tightens the binding section accordingly to maintain the tightening force of the entire annular shape.

[0102] The suture 200 mentioned in the above embodiments can not only cooperate with the anchor 400, but also be used as an independent component to implement positioning operations such as bundling, or is not provided in the form of a component. Based on this, an embodiment of the present application also provides a knot-free suture. The suture 200 has a first end 211 and a second end 212 relative to each other and has a cable eye. In this embodiment, the suture 200 has a use state in which it is wound into a ring, and the ring is closed by pulling the first end 211 and the second end 212. The cable eye includes at least two places and is arranged at intervals. In the use state, the first end 211 and the second end 212 are respectively passed through the corresponding cable eye and form a tap, which is used to pull and close the ring. When the ring has an expansion trend, the cable eye correspondingly tightens the passing part of the suture 200. In this embodiment, cable eyes are respectively configured for the first end 211 and the second end 212, so that each end can be pulled independently when pulling and closing the ring, and the tension distribution of different parts of the ring can be adjusted in real time, so as to achieve precise control and convenient operation.

[0103] The following further combines with Figure 5 to schematically illustrate the usage process of the medical repair component of the present application. The medical repair component includes an anchor 400, a suture 200, and two traction members 300, where the two traction members 300 respectively adopt variable-diameter wire loop traction wires.

[0104] Each component can be first combined to a pre-configured state (as shown in Figure 1 ), including:

[0105] 1. First, pass the suture 200 through the hollow part of the anchor 400, and make the suture tail end on one side 170 mm longer than the other side. The longer suture side is called the suture a end (corresponding to the first end 211), and the shorter suture side is called the suture b end (corresponding to the second end 212);

[0106] 2. Measure 450 mm in length from the tail of the suture a end and mark it. This position is between the two grommets. Take a variable-diameter wire loop traction wire and thread it into the inside of the suture 200 from the marked point along the direction away from the tail of the suture a end (this part corresponds to the first grommet 213, and the suture loop (i.e., the traction loop) faces the direction of the anchor 400). After threading 20 mm, it passes out of the first grommet 213, and then continues to thread into the hollow part of the anchor 400 until it passes out. At the same time, this variable-diameter wire loop traction wire is hereinafter called "traction wire a", that is, corresponding to the first traction member 310;

[0107] 3. Take another variable-diameter wire loop traction wire and thread it into the inside of the suture 200 from the marked point of the suture a end along the direction close to the tail of the suture a end (this part corresponds to the second grommet 214, and the suture loop faces away from the direction of the anchor 400). After threading 20 mm, it passes out of the second grommet 214. This variable-diameter wire loop traction wire is hereinafter called "variable-diameter wire b", that is, corresponding to the second traction member 320.

[0108] When performing the repair surgery, it includes:

[0109] 1. First, open a bone tunnel 110 in the bone tissue 100, and use an appropriate implant tool to implant the anchor 400 into the pre-drilled bone tunnel 110, so that the suture a end and the suture b end are respectively located on both sides of the damaged tissue 120. The traction wire a and the traction wire b are then clamped by arthroscopic forceps and led out of the body through the arthroscopic cannula;

[0110] 2. Under arthroscopy, use surgical tools such as a wire passer and arthroscopic forceps to bypass the damaged tissue 120 with the suture a end, and thread the tail of the suture a end into the suture loop of the traction wire a. Tighten the tail end of the traction wire a, and first thread the suture a end into the hollow part of the anchor 400, then into the inside of the suture 200 to form a sleeve structure, and finally lead the suture a end out of the body through the arthroscopic cannula and completely withdraw the traction wire a;

[0111] 3. Under arthroscopy, use arthroscopic forceps to insert the end of suture b into the suture loop of traction line b, tighten the tail end of traction line b, and insert the end of traction suture b into the interior of suture 200 to form a sleeve structure. After successful traction, lead the end of suture b out of the body through the arthroscopic sleeve and completely pull out traction line b.

[0112] See also Figure 5 At this time, the suture 200 has been wound into a ring and is in use, wherein the main part of the variable diameter traction wire ring is formed by a suture with a relatively thin wire diameter as the head end and a suture with a relatively thick wire diameter as the tail end, and a wire ring structure is formed at the head end. Since the head end of this structure is relatively thin, when the wire ring pulls the suture 200 through the anchor 400 in the bone tunnel and the eye of the suture 200, the friction between them can be greatly reduced. At the same time, the tail end of the variable diameter wire ring traction wire (i.e., the pulling end) can provide a smaller cutting force to the operator's hand during the pulling process, and the grip during the pulling process is more comfortable, which improves the problem of operating feel.

[0113] 4. When closing the ring, you can tighten the suture end a and the suture end b alternately with both hands until the damaged tissue is tightened 120 degrees to the appropriate degree, and finally cut off the excess suture end a and the suture end b.

[0114] Because the sutures are interwoven and form a sleeve structure when in use, when external force pulls the structure, that is, when the ring has a tendency to expand, the stress acting on the sutures can tighten the sutures, drive the eye to deform and lock the sutures passing through it, thereby preventing the coil structure from loosening after adjustment and tightening, achieving a knot-free effect.

[0115] In test groups 1 to 8, the repair components that have been completed are pulled as a whole, and the fixing strength of the anchors is tested. The results are shown in the following table:

[0116] Test group Fixed strength [N] 1 186.23 2 189.02 3 172.69 4 173.31 5 192.31 6 196.65 7 174.38 8 174.50

[0117] See also Figure 6 , which illustrates the relationship between the tension exerted on test groups 1 to 8 and the position of the anchor.

[0118] The medical repair assembly of the present application and the embodiment does not need to be knotted during surgery, and only needs to tighten the suture to an appropriate degree, which can simplify the surgical operation steps and improve the surgical efficiency. At the same time, since there is no knot in the affected area, the generation of postoperative connective tissue and inflammatory response can be reduced;

[0119] When in use, the operator can use both hands to adjust the tightening. The adjustment feels smooth and can be precisely tightened in one direction to the appropriate position according to the degree of damage to the affected area, avoiding excessive tightening force that may cause the suture thread to cut the tissue and cause damage, thereby reducing errors during the tightening process.

[0120] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as falling within the scope described in this specification. When the technical features in different embodiments are embodied in the same drawing, the drawing can be regarded as simultaneously disclosing the combination examples of the various embodiments involved.

[0121] The above-described embodiments merely represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application shall be subject to the appended claims.

Claims

1. A knot-free medical repair component, characterized in that: include: An anchor (400) having a first end (410) and a second end (420); A suture (200) passing through at least a portion of the anchor (400), wherein the suture (200) has an eyelet, and along the extension direction of the suture (200), the eyelet is located on one side of the first end (410) and / or the second end (420); At least one traction member (300) is partially passed through the eye of the suture (200).

2. The knot-free medical repair assembly according to claim 1, characterized in that: The eyelet includes at least two locations that are spaced apart from each other.

3. The knot-free medical repair assembly according to claim 2, characterized in that: There is only one suture line (200), and all the eyelets are arranged on the same suture line (200).

4. The knot-free medical repair assembly according to claim 2, characterized in that: All the eyelets are located outside the anchor (400).

5. The knot-free medical repair assembly according to claim 2, characterized in that: The traction members (300) are two and each member passes through a corresponding eyelet. The two traction members (300) are independently configured or connected to each other.

6. The knot-free medical repair assembly according to claim 1, characterized in that: The traction member (300) also passes through the anchor member (400).

7. The knot-free medical repair assembly according to claim 1, characterized in that: The anchor (400) is a full suture anchor and has a threading channel inside, and the threading channel is open at the first end (410) and the second end (420); The traction member (300) comprises a first traction member (310) and a second traction member (320), and one end of the first traction member (310) and one end of the suture (200) both pass through the anchor member (400) via the threading channel.

8. The knot-free medical repair assembly according to claim 1, characterized in that: At least a portion of the suture (200) is radially deformable and provides the eyelet.

9. The knot-free medical repair assembly according to claim 1, characterized in that: The traction member (300) is a wire structure, comprising a traction ring and an extension portion connected to the traction ring, wherein the wire diameter surrounding the traction ring portion is smaller than the wire diameter of the extension portion.

10. A method for pre-configuring a knot-free medical repair component, characterized in that: include: An anchor (400), a suture (200) and two traction members (300) are provided, wherein the suture (200) has two eyelets arranged at intervals; Passing each traction member (300) through a corresponding eyelet; One end of the suture (200) and the traction member (300) adjacent to the end are passed through the anchor (400), and each of the eyelets is kept outside the anchor (400).

11. The pre-configuration method according to claim 10, characterized in that: The traction member (300) is a cable structure, comprising a traction ring and an extension portion connected to the traction ring; The pre-configuration method further comprises: Each end of the suture (200) is inserted into a corresponding traction ring, and each end of the suture (200) is driven by each traction member (300) to pass through a corresponding eyelet, and one end is also guided through the inside of the anchor member (400) so that the suture itself is wound into a ring shape, and each end extends out of a corresponding eyelet to form a tap.

Images