CN219271008U - Full-suture anchor with primary-secondary structure and implantation device - Google Patents
Full-suture anchor with primary-secondary structure and implantation device Download PDFInfo
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- CN219271008U CN219271008U CN202222508379.XU CN202222508379U CN219271008U CN 219271008 U CN219271008 U CN 219271008U CN 202222508379 U CN202222508379 U CN 202222508379U CN 219271008 U CN219271008 U CN 219271008U
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Abstract
The utility model discloses a full suture anchor with a primary-secondary structure and an implantation device, wherein a first flexible deformation part and a second flexible deformation part are arranged at intervals, and at least one shrinkage suture track is formed in the two flexible deformation parts through a first suture; further arranging the first suture to form a closed structure between the two flexible deformations such that the second suture can pass through the closed structure; when the full-suture anchor of the primary-secondary structure of the embodiment is configured, the first flexible deformation portion and the second flexible deformation portion are placed in the target duct, the length of the two flexible deformation portions can be compressed by tightening the first suture and the second suture, the width of the two flexible deformation portions is increased, two anchor sleeves are respectively formed, and the two anchor sleeves are anchored in the target duct. The anchor nail and the subcortical bone form a mechanical support, the mechanical support is not dependent on the subcortical bone any more, the safety of the full-suture anchor nail is improved, and the problem that the mechanical strength of the existing full-suture anchor nail is dependent on the subcortical bone is solved.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a full-suture anchor with a primary-secondary structure and an implantation device.
Background
In recent years, suture anchors are widely used for repairing injuries at the junction of soft tissues and hard bone tissues, and most of anchor materials are titanium alloy, polyether ether ketone (PEEK) and polylactic acid materials. After the anchor is screwed into the bone tissue near the position to be fixed, the suture loaded on the anchor passes through the soft tissue to be repaired according to the operation requirement, and the soft tissue is fixed in contact with the surface of the bone tissue by ligating and tightening the suture, so that the physical repair of the damaged tissue is completed.
However, with the popularity of clinical applications, it is now known that hard material anchors suffer from a number of drawbacks: after the metal anchor is implanted, inflammation is easy to occur due to rejection reaction, bone dissolution occurs at the implantation position, the anchor is loosened and shifted, and the fixation is failed. The polylactic acid absorbable anchor may be degraded and broken too early after implantation, the fixation firmness is reduced due to secondary anchor displacement, and the degradation product may cause problems such as synovitis, osteolysis and the like.
In order to further solve the problems of the hard anchor, the full-suture anchor is developed by adopting flexible materials such as suture and the like and adopting a braiding mode, and the diameter of the anchor can be increased to be larger than the diameter of a bone hole through deformation, so that the anchor is fixed in a pre-constructed bone tunnel, namely, fixed in cancellous bone and under cortical bone, and is a brand-new anchor technology.
The maximum load of the full-suture anchor meets more operation demands, and the characteristics of convenient operation, flexible anchor imbedding device and the like are achieved, so that the clinical usability of the full-suture anchor is further improved, the occurrence of clinical iatrogenic injury is avoided, and the learning difficulty of doctors is also reduced. Based on good biocompatibility of the full-suture anchor, and the anchor meets the mechanical requirement of the conventional sports injury operation, the full-suture anchor has been applied to more sports injury repair operations, such as rotator cuff injury, labrum injury, biceps brachii long head tendon injury and the like, and has wide clinical application prospect.
Most of the full-suture anchors in the current market are fixed in a pre-constructed bone tunnel, namely in cancellous bone and under cortical bone, by increasing the diameter of the anchor body, so that the fixation and the biomechanical strength of the traditional full-suture anchors depend on the quality of cortical bone at the implantation point. Dimitris et al studied bone morphology lesions after anchor failure in 30 human humerus samples by comparing full suture anchors (Y-Knot
ConMed, newYork, NY) and PEEK conventional tape wire anchors (CrossFT) TM ConMed, newYork, NY) it was found that the maximum load of a full suture anchor is closely related to the thickness of the cortical bone adjacent thereto and that a thickness of at least 0.4mm is required for the cortical bone to withstand 200N tension, while there is no similar correlation in conventional band-line anchors. John et al constructed a control group and a deboned group, respectively, from 10 human cadaver shoulder samples, and found that the lack of large tuberosity cortical would significantly reduce the maximum load of the full suture anchor from 386N to 314N. Therefore, the mechanical strength of the existing full-suture anchors depends on the quality of cortical bone, and is difficult to apply to patient groups with low bone density, such as elderly patients.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a full-suture anchor with a primary-secondary structure and an implantation device, so as to solve the problem that the mechanical strength of the existing full-suture anchor depends on cortical bone.
In order to solve the problems, the technical scheme of the utility model is as follows:
the utility model provides a full suture anchor with a primary-secondary structure, which comprises the following components:
a first flexible deformation portion;
the second flexible deformation parts are arranged on the first flexible deformation parts at intervals along the length direction of the first flexible deformation parts;
the first end of the first suture is inserted from the head end of the first flexible deformation part, sequentially penetrates through the first flexible deformation part, the second flexible deformation part and the first flexible deformation part, is inserted from the head end of the first flexible deformation part, forms at least one shrinkage suture track in the first flexible deformation part and the second flexible deformation part respectively, and forms a closed structure between the first flexible deformation part and the second flexible deformation part;
at least one second suture, the second suture passing through the closure structure;
when the suture is configured to a target duct, the first flexible deformation part and the second flexible deformation part extend into the target duct, the first suture and the second suture are tightened, the lengths of the first flexible deformation part and the second flexible deformation part are compressed under the action of the contraction suture track, and the widths of the first flexible deformation part and the second flexible deformation part are enlarged and anchored in the target duct.
The full suture anchor with the primary-secondary structure comprises a first semicircular sheath and a second semicircular sheath which are respectively positioned at two sides of the length direction;
a plurality of openings which are opposite and are arranged at intervals along the length direction are respectively arranged on the first semicircular sheath and the second semicircular sheath;
the first end of the first suture is penetrated by the opening at the head end of the first semicircular sheath, sequentially penetrates into and out of the adjacent opening along the head end to the tail end of the first semicircular sheath, and penetrates out of the opening at the tail end of the first semicircular sheath to form the contraction joint suture track;
the first end of the first suture is penetrated by the opening at the tail end of the second semicircular sheath, sequentially penetrates into and out of the adjacent opening along the tail end to the head end of the second semicircular sheath, and penetrates out of the opening at the head end of the second semicircular sheath to form the contraction joint suture track.
The primary-secondary structure full suture anchor comprises a first semicircular sheath, a second semicircular sheath and a hole, wherein the first semicircular sheath and the second semicircular sheath are hollow structures;
the compound holes are two holes with the circumferential connecting line of the circular sheath parallel to the radial direction of the circular sheath;
the single hole is a hole in the circumferential direction of the circular sheath.
The full suture anchor with the primary-secondary structure comprises a second flexible deformation part, a first elastic deformation part and a second elastic deformation part, wherein the second flexible deformation part comprises a third semicircular sheath and a fourth semicircular sheath which are respectively positioned at two sides in the length direction;
a plurality of openings which are opposite and are arranged at intervals along the length direction are respectively arranged on the third semicircular sheath and the fourth semicircular sheath;
the first end of the first suture is penetrated by the opening at the head end of the third semicircular sheath, sequentially penetrates into and out of the adjacent opening along the head end to the tail end of the third semicircular sheath, and penetrates out of the opening at the tail end of the third semicircular sheath to form the contraction joint suture track;
the first end of the first suture is penetrated by the opening at the tail end of the fourth semicircular sheath, sequentially penetrates into and out of the adjacent opening along the tail end to the head end of the fourth semicircular sheath, and penetrates out of the opening at the head end of the fourth semicircular sheath to form the shrinkage seam suture track.
The full suture anchor with the primary-secondary structure is characterized in that the third semicircular sheath and the fourth semicircular sheath are hollow structures, and the open holes are duplex holes or single holes;
the compound holes are two holes with the circumferential connecting line of the circular sheath parallel to the radial direction of the circular sheath;
the single hole is a hole in the circumferential direction of the circular sheath.
The full-suture anchor of the primary-secondary structure extends out of the first end of the first suture of the second flexible deformation part, sequentially penetrates into and out of the first side of the second flexible deformation part in the length direction, the first side of the first flexible deformation part in the length direction, the second side of the first flexible deformation part in the length direction and the second side of the second flexible deformation part in the length direction, and the closed structure is formed.
The full-suture anchor with the primary-secondary structure is characterized in that the suture is a flat suture or a round suture.
The material of the first flexible deformation part and the second flexible deformation part of the full suture anchor with the primary-secondary structure is medical polymer material.
According to the full-suture anchor with the primary-secondary structure, the first flexible deformation part and the second flexible deformation part are axially symmetrical in the length direction.
The implantation device comprises a jacking device and the full-suture anchor of the primary-secondary structure, wherein the jacking device is used for jacking the full-suture anchor of the primary-secondary structure into a target duct.
By adopting the technical scheme, the utility model has the following advantages and positive effects compared with the prior art:
according to the embodiment of the utility model, at least one shrinkage seam suture track is formed in the two flexible deformation parts through the first suture and the second flexible deformation parts which are arranged at intervals respectively; further arranging the first suture to form a closed structure between the two flexible deformations such that the second suture can pass through the closed structure; when the full-suture anchor of the primary-secondary structure of the embodiment is configured, the first flexible deformation portion and the second flexible deformation portion are placed in the target duct, the length of the two flexible deformation portions can be compressed by tightening the first suture and the second suture, the width of the two flexible deformation portions is increased, two anchor sleeves are respectively formed, and the two anchor sleeves are anchored in the target duct. The anchor nail and the subcortical bone form a mechanical support, the mechanical support is not dependent on the subcortical bone any more, the safety of the full-suture anchor nail is improved, and the problem that the mechanical strength of the existing full-suture anchor nail is dependent on the subcortical bone is solved.
Drawings
FIG. 1 is a schematic view of a full suture anchor of the primary and secondary structure of the present utility model;
fig. 2 is a schematic view showing the application state of the full suture anchor of the primary-secondary structure of the present utility model.
Reference numerals illustrate: 1: a first suture; 2: a second suture; 3: a first semicircular sheath; 4: a second semicircular sheath; 5: a third semicircular sheath; 6: a fourth semicircular sheath; 7: a closed structure.
Detailed Description
The utility model provides a full suture anchor with a primary-secondary structure and an implantation device, which are further described in detail below with reference to the accompanying drawings and the specific embodiments. Advantages and features of the utility model will become more apparent from the following description and from the claims.
Example 1
Referring to fig. 1 and 2, in one embodiment, a full suture anchor of a primary-secondary structure includes a first flexible deformation, a second flexible deformation, a first suture 1, and at least one second suture 2.
The second flexible deformation portion is arranged at intervals along the length direction of the first flexible deformation portion.
The first suture 1 is arranged in such a way that a first end is inserted from the head end of the first flexible deformation part, sequentially penetrates through the first flexible deformation part, the second flexible deformation part and the first flexible deformation part, and is inserted from the head end of the first flexible deformation part, so that at least one shrinkage suture track is formed in the first flexible deformation part and the second flexible deformation part respectively.
Wherein the first suture 1 further forms a closure structure 7 between the first flexible deformation and the second flexible deformation. The second suture 2 is passed through the closure structure 7, and the first suture 1 positioned in the first flexible deformation and the second flexible deformation can be cinched by cinching the second suture 2 to cooperate with the closure structure 7 formed by the first suture 1.
When the full-suture anchor of the primary-secondary structure is configured to a target duct on external bone tissue, the first flexible deformation part and the second flexible deformation part extend into the target duct, the first suture 1 and the second suture 2 are tightened, the lengths of the first flexible deformation part and the second flexible deformation part are compressed under the action of the contraction joint suture track, the widths of the first flexible deformation part and the second flexible deformation part are enlarged, and the first flexible deformation part and the second flexible deformation part are anchored in the target duct.
The present embodiment forms at least one shrinkage suture trace in each of the two flexible deformation portions by providing the first flexible deformation portion and the second flexible deformation portion at intervals, and by the first suture 1. The first suture 1 is further arranged to form a closure structure 7 between the two flexible deformations such that the second suture 2 can pass through the closure structure 7. When the full-suture anchor of the primary-secondary structure is placed, the first flexible deformation part and the second flexible deformation part are placed in the target duct, and the length of the two flexible deformation parts can be compressed by tightening the first suture 1 and the second suture 2, so that the width is increased, two anchor sleeves are respectively formed, and the two anchor sleeves are anchored in the target duct. The two anchor sleeves transversely expand and squeeze cancellous bones at two sides to respectively form two transversely expanded bone tunnel spaces. When the anchor is pulled, the two transversely-expanded flexible deformation parts can be blocked by the bone above and are subjected to friction force of bone-anchor interfaces at two sides, so that the anchor forms mechanical support with the bone under the cortex, the biomechanical property of the anchor is enhanced, the anchor is not dependent on the cortex, the applicable crowd and clinical application scene of the anchor are widened, the safety of the full-suture anchor is improved, and the problem that the mechanical strength of the existing full-suture anchor is dependent on the cortex is solved.
The specific structure of the full-suture anchor of the primary-secondary structure of this embodiment is further described below:
in the present embodiment, the first flexible deformation portion may specifically include a first semicircular sheath 3 and a second semicircular sheath 4 located on both sides in the longitudinal direction, respectively.
The first semicircular sheath 3 and the second semicircular sheath 4 are respectively provided with a plurality of openings which are opposite and are arranged at intervals along the length direction.
The first end of the first suture 1 is penetrated by an opening at the head end of the first semicircular sheath 3, sequentially penetrates into and out of adjacent openings along the head end to the tail end of the first semicircular sheath 3, and is penetrated out of an opening at the tail end of the first semicircular sheath 3 to form the shrinkage seam suture track positioned in the first semicircular sheath 3.
The first end of the first suture 1 is penetrated by the opening at the tail end of the second semicircular sheath 4, sequentially penetrates into and out of the adjacent openings along the tail end to the head end of the second semicircular sheath 4, and is penetrated out of the opening at the head end of the second semicircular sheath 4 to form the contraction joint suture track positioned in the second semicircular sheath 4.
Further, the second flexible deformation portion includes a third semicircular sheath 5 and a fourth semicircular sheath 6 located on both sides in the longitudinal direction, respectively.
The third semicircular sheath 5 and the fourth semicircular sheath 6 are respectively provided with a plurality of holes which are opposite and are arranged at intervals along the length direction.
The first end of the first suture thread 1 is penetrated by an opening at the head end of the third semicircular sheath 5, sequentially penetrates into and out of adjacent openings along the head end to the tail end of the third semicircular sheath 5, and is penetrated out of an opening at the tail end of the third semicircular sheath 5, so as to form the shrinkage seam suture track positioned in the third semicircular sheath 5.
The first end of the first suture 1 is penetrated by the opening at the tail end of the fourth semicircular sheath 6, sequentially penetrates into and out of the adjacent opening along the tail end to the head end of the fourth semicircular sheath 6, and is penetrated out of the opening at the head end of the fourth semicircular sheath 6 to form the shrinkage suture track positioned in the fourth semicircular sheath 6.
Further, the first suture 1 may sequentially form the corresponding suture tracks of the shrink-joint in the order of the first semicircular sheath 3, the third semicircular sheath 5, the fourth semicircular sheath 6, and the second semicircular sheath 4.
Specifically, the first semicircular sheath 3, the second semicircular sheath 4, the third semicircular sheath 5 and the fourth semicircular sheath 6 may have hollow structures, and the openings may be multiple holes or single holes.
Wherein, the compound holes are two holes with the connecting line parallel to the radial direction of the circular sheath in the circumferential direction of the circular sheath. Shan Kongze is a hole in the circumferential direction of the sheath. In the case of a compound hole, the first suture 1 is wound in a shuttling manner outside the round sheath wall; in the case of a single hole, the primary suture 1 is shuttled around the outside and inside of the round sheath wall.
In the present embodiment, the intervals between two adjacent openings at the head ends and the tail ends of the four semicircular sheaths may be set smaller, for example, may be set to 1mm to 2mm; the connecting holes between the head end and the tail end can be arranged to be equally spaced, and the spacing can be 3mm to 5mm. The number of the openings can be even, and the specific number can be adjusted according to requirements. The first semicircular sheath 3 and the second semicircular sheath 4, the third semicircular sheath 5 and the fourth semicircular sheath 6 which are threaded through the first suture line 1 can be in axisymmetric structures.
In this embodiment, the assembly form between the first suture 1 and the corresponding semicircular sheath may also be modified, for example, the number of times of penetrating the first suture 1 and the semicircular sheath is increased. The volume of the semicircular sheath may also be modified according to the number of second sutures 2.
In this embodiment, the first end of the first suture thread 1 extending from the second flexible deformation portion sequentially penetrates into and out of the first side of the second flexible deformation portion in the length direction, the first side of the first flexible deformation portion in the length direction, the second side of the first flexible deformation portion in the length direction, and the second side of the second flexible deformation portion in the length direction, to form the closed structure 7.
Specifically, the closure structure 7 is formed by sequentially penetrating the first end of the first suture 1 into the tail end of the third semicircular sheath 5, the head end of the third semicircular sheath 5, the tail end of the first semicircular sheath 3, the head end of the second semicircular sheath 4, the tail end of the second semicircular sheath 4, the head end of the fourth semicircular sheath 6, and the tail end of the fourth semicircular sheath 6. Wherein the closure structure 7 may be formed by a suture segment of the first suture 1 between the crease line track in the third semicircular sheath 5 and the crease line track in the fourth semicircular sheath 6.
The second suture 2 passing through the closure structure 7 may be arranged to slide or be fixed relative to the first suture 1 in contact therewith, and is not particularly limited herein.
In this embodiment, the suture is a flat suture or a round suture. The first flexible deformation part and the second flexible deformation part are made of medical polymer materials, and the first flexible deformation part and the second flexible deformation part are axially symmetrical structures in the length direction.
In particular, the suture may be a suture woven from ultra-high molecular weight polyethylene yarns. The semicircular sheath can be a hollow cylindrical braid woven by ultra-high molecular weight polyethylene. The diameter of the suture is set to be slightly smaller than the diameter of the semicircular sheath, so that the suture can penetrate into the hollow inner cavity of the semicircular sheath. Of course, in other embodiments, the material of the semicircular sheath may be replaced by other medical polymer materials such as polyester fiber, which is not particularly limited herein.
The multi-suture anchor of the embodiment provides a double ellipsoidal structure, which comprises an upper flexible deformation part and a lower flexible deformation part, and two anchor sleeves of the full-suture anchor of the primary-secondary structure are respectively formed. In operation, when the anchor is deployed in place, after the first suture 1 and the second suture 2 are pulled, both flexible deformation parts shrink and have diameters larger than the diameters of bone tunnels, and are fixed in bones. According to the embodiment, through structural improvement of the anchor, the relation between cortical bone quality of an implanted point and the maximum load of the anchor is reduced, the full-suture anchor with the factor mother structure is not required to be implanted into bones in a threaded rotation mode, the deployment characteristics of flexibility in implantation and the like of the full-suture anchor with the primary-secondary structure are reserved, the embedder can be bent to form angles, and therefore the use scene and the use crowd of the anchor are expanded, and the method can be applied to old patients with low bone density.
Example two
The present embodiment provides an implanting device, including a propping device and the full-suture anchor of the primary-secondary structure in the first embodiment, where the propping device is used to prop the full-suture anchor of the primary-secondary structure into a target duct. When the anchor is implanted, the anchor body is implanted into the drilled positioning hole by the ejector, after the anchor is implanted below the cortical bone, the first suture line 1 and the second suture line 2 are tightened, and after the anchor is tightened, the ejector is withdrawn. When the first suture 1 is partially tightened, the two ends of the first flexible deformation part and the second flexible deformation part are tensioned by the first suture 1, the left end and the right end of the two flexible deformation parts are respectively tightened into a plurality of sections by the first suture 1, and finally two knots or two coils are formed. The full suture anchor of the neutron mother structure can enlarge a bone tunnel (a locating hole) at the position in the forming process, and the anchor diameter is larger than that of the bone tunnel, so that the anchor is anchored in the locating hole.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments. Even if various changes are made to the present utility model, it is within the scope of the appended claims and their equivalents to fall within the scope of the utility model.
Claims (10)
1. A full suture anchor of a primary and secondary structure, comprising:
a first flexible deformation portion;
the second flexible deformation parts are arranged on the first flexible deformation parts at intervals along the length direction of the first flexible deformation parts;
the first end of the first suture is inserted from the head end of the first flexible deformation part, sequentially penetrates through the first flexible deformation part, the second flexible deformation part and the first flexible deformation part, is inserted from the head end of the first flexible deformation part, forms at least one shrinkage suture track in the first flexible deformation part and the second flexible deformation part respectively, and forms a closed structure between the first flexible deformation part and the second flexible deformation part;
at least one second suture, the second suture passing through the closure structure;
when the suture is configured to a target duct, the first flexible deformation part and the second flexible deformation part extend into the target duct, the first suture and the second suture are tightened, the lengths of the first flexible deformation part and the second flexible deformation part are compressed under the action of the contraction suture track, and the widths of the first flexible deformation part and the second flexible deformation part are enlarged and anchored in the target duct.
2. The full-suture anchor of a primary-secondary structure of claim 1, wherein the first flexible deformation comprises a first semicircular sheath and a second semicircular sheath on both sides in a length direction, respectively;
a plurality of openings which are opposite and are arranged at intervals along the length direction are respectively arranged on the first semicircular sheath and the second semicircular sheath;
the first end of the first suture is penetrated by the opening at the head end of the first semicircular sheath, sequentially penetrates into and out of the adjacent opening along the head end to the tail end of the first semicircular sheath, and penetrates out of the opening at the tail end of the first semicircular sheath to form the contraction joint suture track;
the first end of the first suture is penetrated by the opening at the tail end of the second semicircular sheath, sequentially penetrates into and out of the adjacent opening along the tail end to the head end of the second semicircular sheath, and penetrates out of the opening at the head end of the second semicircular sheath to form the contraction joint suture track.
3. The primary-secondary structured full-suture anchor of claim 2, wherein the first semicircular sheath and the second semicircular sheath are hollow structures, and the open pores are duplex pores or single pores;
the compound holes are two holes with the circumferential connecting line of the circular sheath parallel to the radial direction of the circular sheath;
the single hole is a hole in the circumferential direction of the circular sheath.
4. The full-suture anchor of a primary-secondary structure of claim 1, wherein the second flexible deformation comprises a third semicircular sheath and a fourth semicircular sheath on both sides in a length direction, respectively;
a plurality of openings which are opposite and are arranged at intervals along the length direction are respectively arranged on the third semicircular sheath and the fourth semicircular sheath;
the first end of the first suture is penetrated by the opening at the head end of the third semicircular sheath, sequentially penetrates into and out of the adjacent opening along the head end to the tail end of the third semicircular sheath, and penetrates out of the opening at the tail end of the third semicircular sheath to form the contraction joint suture track;
the first end of the first suture is penetrated by the opening at the tail end of the fourth semicircular sheath, sequentially penetrates into and out of the adjacent opening along the tail end to the head end of the fourth semicircular sheath, and penetrates out of the opening at the head end of the fourth semicircular sheath to form the shrinkage seam suture track.
5. The primary-secondary structured full-suture anchor of claim 4, wherein the third semicircular sheath and the fourth semicircular sheath are hollow structures and the openings are multiple holes or single holes;
the compound holes are two holes with the circumferential connecting line of the circular sheath parallel to the radial direction of the circular sheath;
the single hole is a hole in the circumferential direction of the circular sheath.
6. The full-suture anchor of a primary-secondary structure of claim 1, wherein a first end of the first suture extending from the second flexible deformation sequentially passes into and out of a first lengthwise side of the second flexible deformation, a first lengthwise side of the first flexible deformation, a second lengthwise side of the first flexible deformation, and a second lengthwise side of the second flexible deformation, forming the closed structure.
7. A full-suture anchor according to claim 1, wherein the suture is a flat suture or a round suture.
8. The full-suture anchor of a primary-secondary structure of claim 1, wherein the material of the first flexible deformation and the second flexible deformation is a medical polymer material.
9. The full-suture anchor of a primary-secondary structure of claim 1, wherein the first flexible deformation and the second flexible deformation are each axially symmetric in length.
10. An implant device comprising an ejector and a full-suture anchor of the primary-secondary structure of any one of claims 1 to 9, the ejector being for ejecting the full-suture anchor into a target tunnel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222508379.XU CN219271008U (en) | 2022-09-21 | 2022-09-21 | Full-suture anchor with primary-secondary structure and implantation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222508379.XU CN219271008U (en) | 2022-09-21 | 2022-09-21 | Full-suture anchor with primary-secondary structure and implantation device |
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| CN219271008U true CN219271008U (en) | 2023-06-30 |
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