CN109730734B - Suture anchor assembly - Google Patents
Suture anchor assembly Download PDFInfo
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- CN109730734B CN109730734B CN201910179078.7A CN201910179078A CN109730734B CN 109730734 B CN109730734 B CN 109730734B CN 201910179078 A CN201910179078 A CN 201910179078A CN 109730734 B CN109730734 B CN 109730734B
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- suture
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- anchor sleeve
- clamping part
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- 238000002513 implantation Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000000491 Tendinopathy Diseases 0.000 description 1
- 208000023835 Tendon disease Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention proposes a suture anchor assembly comprising: the anchor sleeve is provided with an axial hole and an external thread so as to be implanted into a human body; and the clamping part is at least partially arranged in the axial hole, a plurality of chucks are arranged on the clamping part, a gap is reserved between at least two chucks, and the gap is used for placing a suture, wherein when the clamping part stretches into the anchor sleeve, at least part of the hole wall of the axial hole is in interference fit with the clamping part, so that the gap between the chucks is reduced to clamp the suture in the gap. According to the technical scheme, the two ends of the suture line are simultaneously clamped in the pressurizing device, so that the suture line is prevented from being cut and damaged by external threads of the anchor sleeve due to the fact that the suture line is too tight, and knotting is not needed; the tension of the suture line can be adjusted by adjusting the implantation depth of the anchor sleeve, so that the suture line is prevented from being too loose or too tight, the operation difficulty is reduced, and the operation efficiency and safety are improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a suture anchor assembly.
Background
The traditional orthopaedics sports medicine has the main treatment means of plaster or bandage external fixation, steel wire suture, suture, tendon tissue imbedding fixation after bone opening, and the like, and the methods have the disadvantages of infirm repair, long time and poor curative effect; the joint is sticky and stiff, and the tissue breaks again; residual pain at the wound site; partial loss of function and the like. With the further development of medicine in recent years, the bone anchor combined with arthroscope minimally invasive technology has become an advanced means for treating orthopedic sports medical injuries, and has the advantages of being minimally invasive, short in operation time, rapid in recovery, capable of reducing infection risk, completely recovering the original anatomical involution relationship, reliable in fixation, high in traction resistance and capable of avoiding complications without secondary operation.
The existing bone anchor is mainly divided into a knotted system and a knotless system, and compared with the common anchor, the knotless anchor has the advantages of simple operation, convenient use, high operation efficiency and the like, and becomes more and more a treatment trend, but the existing knotless product still has the defects in use: currently, products on the market mainly adopt an anchor external pressing suture structure, and the structure firstly relies on a guide head to send the suture into a preset position and then presses the anchor. The suture line can not be pulled too tightly or loosened too tightly in the pressing process of the anchor, and the thread is in direct contact with the suture line, so that the anchor can cause cutting damage to the suture line, the fixing strength is affected, and the long-term curative effect of ligament repair is affected. The line is too loose, and the anchor is difficult to compact the line, and the line is easy to loosen during the follow-up rehabilitation activities of patients, and the fixation failure is easy to cause.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
Accordingly, it is an object of the present invention to provide a suture anchor assembly.
In order to achieve the above object, the present invention provides a suture anchor assembly, comprising: the anchor sleeve is provided with an axial hole and an external thread so as to be implanted into a human body; and the clamping part is at least partially arranged in the axial hole, a plurality of chucks are arranged on the clamping part, a gap is reserved between at least two chucks, and the gap is used for placing a suture, wherein when the clamping part stretches into the anchor sleeve, at least part of the hole wall of the axial hole is in interference fit with the clamping part, so that the gap between the chucks is reduced to clamp the suture in the gap.
In the technical scheme, the clamping parts and the anchor sleeves are in interference fit, so that the clamping heads can be pressed towards the middle to reduce the gaps between the clamping heads, thereby clamping the suture line and preventing loosening; the suture line is positioned in the gap between the chucks and is not contacted with the external threads of the anchor sleeve, so that the suture line is prevented from being cut and damaged by the external threads due to over tightening; by the clamping mode, the thread ends at the two ends of the suture line can be fixed at the same time, so that knotting is avoided; in addition, when the anchor sleeve is implanted into a human body, the clamping part can be driven to move to the deep of the human body through the interference fit of the clamping part and the anchor sleeve, and the suture line is tensioned through the limit of the external thread of the anchor sleeve; the depth of the anchor sleeve implantation can be adjusted, so that the tensioning degree of the suture line is adjusted, the adjusting mode is simple, the small accuracy of the adjusting amplitude is high, the suture line can be prevented from being too tight or too loose, the problem that the suture line is cut and damaged is effectively solved, and the problem that the suture line is too loose to cause fixing failure is also solved.
It will be appreciated that the location of the gap, when there are only two collets, is that the gap is between the two collets; when three chucks or more chucks are provided, the gap comprises a space between two chucks and a space commonly surrounded by the three chucks, for example, a central hole surrounded by the three chucks, and the suture line can be placed in the space between the two chucks or in the central hole surrounded by the three chucks.
In the above technical solution, at least one of the inner wall of the anchor sleeve and the clamping portion is tapered.
In the technical scheme, the inner wall of the anchor sleeve and the clamping part are both conical, and the conicity is the same.
In the technical scheme, the clamping part is provided with the central hole, the plurality of chucks are symmetrically distributed along the axis of the central hole, and the clamping surfaces of the plurality of chucks jointly form the hole wall of the central hole.
In any one of the above technical solutions, the method further includes: the guide part is arranged at the tail part of the clamping part and is provided with a guide inclined plane or a guide curved surface so as to guide when the suture anchor assembly is implanted into a human body.
In the technical scheme, when the clamping part completely stretches into the axial hole, the guiding part is abutted against the tail part of the anchor sleeve.
In the technical scheme, the guide part is provided with the through groove communicated with the gap, the through groove divides the guide part into at least two parts, wherein the at least two parts are connected through the connecting part, and the connecting part is also used for being wound by the suture line; and/or the head of the anchor sleeve is provided with a counter bore for the insertion of a tightening tool.
In any of the above technical solutions, a buffer layer is provided on a clamping surface of the chuck.
In any of the above technical solutions, the inner wall of the anchor sleeve and the outer wall of the clamping portion are provided with mutually adapted conical threads.
In the above technical solution, the clamping portion is hemispherical or semi-ellipsoidal, and the axial hole is conical or cylindrical.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a suture anchor assembly according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a suture anchor assembly according to one embodiment of the present invention;
FIG. 3 is a schematic front view of a pressurizing device according to an embodiment of the present invention;
fig. 4 is a schematic side view of a pressurizing device according to an embodiment of the present invention.
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 4 is:
10 anchor sleeve, 100 external threads, 102 axial hole, 104 counter bore, 12 clamping part, 120 chuck, 122 gap, 124 center hole, 14 guide part, 140 through slot, 2 suture.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Some embodiments according to the present invention are described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, a suture anchor assembly according to one embodiment of the present invention includes: an anchor sleeve 10 provided with an axial hole 102 and an external thread 100 for implantation into a human body; the clamping part 12 is at least partially arranged in the axial hole 102, a plurality of chucks 120 are arranged on the clamping part 12, a gap 122 is reserved between at least two chucks 120, the gap 122 is used for placing the suture 2, wherein when the clamping part 12 stretches into the anchor sleeve 10, at least part of the hole wall of the axial hole 102 is in interference fit with the clamping part 12, so that the gap 122 between the chucks 120 is reduced to clamp the suture 2 in the gap 122.
In this embodiment, the clamping portions 12 and the anchor sleeve 10 are interference fit, so that the plurality of chucks 120 can be pressed to the middle to reduce the gap 122 therebetween, thereby clamping the suture thread 2 and preventing loosening; the suture 2 is positioned in the gap 122 between the chucks 120 and is not in contact with the external threads 100 of the anchor sleeve 10, so that the suture 2 is prevented from being cut and damaged by the external threads 100 due to the fact that the suture 2 is pulled too tightly; by the clamping mode, the thread ends at the two ends of the suture line 2 can be fixed at the same time, so that knotting is avoided; in addition, through the interference fit of the clamping part 12 and the anchor sleeve 10, when the anchor sleeve 10 is implanted into a human body, the clamping part 12 can be driven to move to the deep of the human body, and the suture thread 2 is tensioned through the limit of the external thread 100 of the anchor sleeve 10; the depth of the implantation of the anchor sleeve 10 can be adjusted, so that the tensioning degree of the suture line 2 is adjusted, the adjusting mode is simple, the small accuracy of the adjusting amplitude is high, the overtightening or loosening of the suture line 2 can be avoided, the problem that the suture line 2 is cut and damaged is effectively solved, and the problem that the fixation fails due to the fact that the suture line 2 is too loose is solved.
As shown in fig. 1,3, in some embodiments, with only two collets 120, a gap 122 is located between the two collets 120; in other embodiments, there are three clips 120, and the gap 122 includes both a space between any two clips 120 and a space defined between the three clips 120, such as a central hole 124 defined by the three clips 120, and suture 2 may be placed in the space between two clips 120 or in the central hole 124 defined by the three clips 120.
As shown in fig. 2 and 3, in the above-described embodiment, at least one of the inner wall of the anchor sleeve 10 and the clamping portion 12 is tapered.
In this embodiment, at least one of the inner wall of the anchor sleeve 10 and the clamping portion 12 is tapered, specifically, for example, the inner wall of the anchor sleeve 10 or the inner wall of the axial hole 102 is tapered, and gradually decreases in the direction of the head along the tail of the anchor sleeve 10, while the clamping portion 12 is cylindrical, so that the inner wall of the axial hole 102 gradually contracts inwards as the clamping portion 12 extends deeper into the anchor sleeve 10, the more tightly the anchor sleeve 10 and the clamping portion 12 are clamped, the more firmly the clamping head 120 is pressed towards the middle, thereby clamping the suture thread 2 between the gaps 122, and improving the fixing effect of the suture thread 2; in some embodiments, the inner wall of the anchor sleeve 10 is cylindrical, the clamping portion 12 is tapered, and the tapered portion gradually decreases from the tail portion to the head portion of the clamping portion 12, or the anchor sleeve 10 and the clamping portion 12 are tapered, and the tapered portion gradually decreases from the tail portion to the head portion, so that the technical effect is achieved, that is, the clamping head 120 clamps the suture 2 between the gaps 122 more firmly as the clamping portion 12 is deep, or as the anchor sleeve 10 is implanted into a human body.
In some embodiments, the inner wall of the anchor sleeve 10 is cylindrical and the clamping portion 12 is tapered, but the head of the clamping portion 12 is large and the tail is small, the head of the clamping portion 12 being an interference fit with the inner wall of the anchor sleeve 10.
As shown in fig. 2, in the above embodiment, both the inner wall of the anchor sleeve 10 and the clamping portion 12 are tapered, and the taper is the same.
In this embodiment, the inner wall of the anchor sleeve 10 and the clamping portion 12 are tapered, and the same taper is adopted, further, the anchor sleeve 10 and the clamping portion 12 are tapered with a small head and a large tail, so that the inner wall of the anchor sleeve 10 and the clamping portion 12 are more tightly matched with each other, the clamping portion 12 is uniformly stressed, the clamping force of the clamping head 120 on the suture 2 is also more uniform, the situation that the individual position of the suture 2 is broken and loosened due to overlarge stress is avoided, and the reliability and stability of clamping and fixing of the suture 2 are improved.
As shown in fig. 3 and 4, in the foregoing embodiment, the clamping portion 12 is provided with a central hole 124, the plurality of chucks 120 are symmetrically distributed along the axis of the central hole 124, and the clamping surfaces of the plurality of chucks 120 together form the wall of the central hole 124.
In this embodiment, the clamping surfaces of the plurality of symmetrically distributed clamping heads 120 together form the hole wall of the central hole 124, so that the uniformity of the stress of the suture 2 can be further improved when the suture 2 is placed in the central hole 124, and the reliability and stability of the clamping and fixing of the suture 2 by the clamping heads 120 can be further improved.
Note that in fig. 3, two broken lines are the walls of the central hole 124.
As shown in fig. 3, in any one of the foregoing embodiments, the method further includes: the guiding part 14 is arranged at the tail part of the clamping part 12, and a guiding inclined plane or a guiding curved surface is arranged on the guiding part 14 so as to guide when the suture anchor assembly is implanted into a human body.
In this embodiment, the guide portion 14 is provided with a guide slope or a guide curved surface, so that the suture anchor assembly is guided conveniently, smoothness of the suture anchor assembly when implanted into a human body is improved, and operation efficiency is further improved.
In the above embodiment, the guide portion 14 abuts the tail of the anchor sleeve 10 when the clamping portion 12 is fully extended into the axial bore 102.
In this embodiment, the abutment of the guide portion 14 with the anchor sleeve 10 is beneficial to pushing the guide portion 14 to drive the clamping portion 12 connected with the guide portion 14 when the anchor sleeve 10 is implanted into a human body, so that the suture thread 2 is tensioned, and the fixing strength is improved.
In the above embodiment, the guide portion 14 is provided with the through groove 140 communicating with the gap 122, the through groove 140 divides the guide portion 14 into at least two parts, wherein the at least two parts are connected by a connecting portion, and the connecting portion is further used for being wound by the suture thread 2; and/or the head of the anchor sleeve 10 is provided with a counterbore 104 for the insertion of a tightening tool.
Since suture 2 is a flexible body, it is difficult to directly place in small gap 122; in this embodiment, as long as the suture thread 2 bypasses the connecting portion from the through groove 140 and the gap 122, and then the thread ends at two ends of the suture thread 2 are folded toward the middle, the suture thread 2 can be placed in the gap 122 and is not easy to break away, the fixing speed of the suture thread 2 can be greatly improved, the stability and reliability of clamping the suture thread 2 are ensured, and the operation efficiency is improved.
In addition, by providing the head of the anchor sleeve 10 with a counter bore, the insertion of the tightening tool is facilitated, thereby facilitating the screwing of the anchor sleeve 10 into the human body by the tightening tool, facilitating the implantation and adjusting the implantation depth.
In any of the above embodiments, the gripping surface of the collet 120 is provided with a buffer layer.
In this embodiment, by providing the buffer layer on the clamping surface, the clamping force is advantageously uniformly dispersed on the suture thread 2, and breakage of the suture thread 2 due to local overstress is avoided, thereby leading to failure in fixation.
It will be appreciated that the suture thread 2 is a flexible body, and the collet 120 is generally made of a harder material, and in addition, the clamping surfaces are not necessarily flat or are not necessarily completely parallel to each other due to factors such as processing precision, so that uneven stress is likely to occur when the suture thread 2 is clamped, and the problem of uneven stress is effectively solved due to the arrangement of the buffer layer.
In any of the above embodiments, the inner wall of the anchor sleeve 10 and the outer wall of the clamping portion 12 are provided with mutually adapted conical threads.
In this embodiment, by providing the inner wall of the anchor sleeve 10 and the outer wall of the clamping portion 12 with mutually adapted conical threads, or conical threads, the anchor sleeve 10 and the clamping portion 12 can be tightly engaged with each other by the conical threads, so that the clamping portion 12 is further contracted to clamp the suture 2 more firmly, and the clamping portion 12 can be ensured to move deep into the human body along with the implantation of the anchor sleeve 10, thereby ensuring the tightness of the suture 2.
In the above embodiments, the clamping portion 12 has a hemispherical or semi-ellipsoidal shape, and the axial hole 102 has a conical or cylindrical shape.
In this embodiment, the clamping portion 12 is hemispherical or semi-ellipsoidal in shape, similar to the tapered clamping portion 12, i.e., the collet 120 is contracted toward the middle as the clamping portion 12 is advanced into the anchor sleeve 10, thereby clamping the suture 2.
The suture anchor assembly according to one embodiment of the present application is comprised of a compression device, anchor sleeve 10. The pressurizing device consists of a conical clamping part 12 and a guiding part 14, and is provided with a central hole 124, and the central hole 124 is used for placing the suture thread 2; the pressurizing means is provided with a plurality of grippers, a gap 122 is formed between adjacent grippers, the gap 122 is communicated with the central hole 124, and when the pressurizing means is pressurized, the gap 122 is contracted, so that the diameter of the central hole 124 is also reduced, and the suture thread 2 in the central hole 124 is clamped.
Specifically, a conical bore is provided in the anchor sleeve 10 to facilitate engagement with the conical clamping portion 12 of the compression device. In use, the suture thread 2 is first threaded into the central bore 124 of the compression device and then the compression device is installed into the anchor sleeve 10, with the clamping portion 12 of the compression device in interference fit with the conical bore of the anchor sleeve 10. When the suture anchor assembly is implanted, the anchor sleeve 10 is continuously screwed in, the conical clamping part 12 of the pressurizing device is pressed by the anchor sleeve 10 to enable each clamping head 120 to shrink towards the middle, and then the suture thread 2 is clamped, namely, thread ends at two ends of the suture thread 2 can be clamped in the central hole 124, so that the knotless suture technology is realized; meanwhile, as the anchor sleeve 10 is continuously screwed in, the clamping part 12 of the pressurizing device is in interference fit with the anchor sleeve 10, or the guide part 14 of the pressurizing device abuts against the anchor sleeve 10, so that the pressurizing device can be pushed into a human body deeper along with the screwing in of the anchor sleeve 10, the suture thread 2 is tensioned, and the tightness adjustment of the suture thread 2 is realized by adjusting the screwing-in depth of the anchor sleeve 10.
The suture anchor assembly of the above embodiment can rapidly and effectively solve the problems of suture fixation of ligament tendon diseases and difficult knotting of suture thread 2, and has the beneficial effects that:
(1) The central hole 124 of the pressurizing device is internally provided with the line, so that the operation is simple and safe, and the operation time and the clinical learning curve of a doctor are shortened.
(2) The pressing means cooperates with the anchor sleeve 10 in a conical manner such that the deeper the pressing means penetrates the anchor sleeve 10, the more firmly the suture 2 will be pressed or the deeper the anchor sleeve 10 is screwed in, the more firmly the suture 2 will be pressed.
The technical scheme of the invention is described in detail with reference to the accompanying drawings, through the technical scheme of the invention, the two ends of the suture are simultaneously clamped in the pressurizing device, so that the suture is prevented from being cut and damaged by the external threads of the anchor sleeve due to the fact that the suture is too tight, and knotting is not needed; the tension of the suture line can be adjusted by adjusting the implantation depth of the anchor sleeve, so that the suture line is prevented from being too loose or too tight, the operation difficulty is reduced, and the operation efficiency and safety are improved.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A suture anchor assembly comprising:
the anchor sleeve is provided with an axial hole and an external thread so as to be implanted into a human body;
A clamping part at least partially arranged in the axial hole, a plurality of chucks are arranged on the clamping part, a gap is reserved between at least two chucks, the gap is used for placing a suture thread,
When the clamping part stretches into the anchor sleeve, at least part of the hole wall of the axial hole is in interference fit with the clamping part, so that gaps among a plurality of chucks are reduced to clamp a suture line in the gaps, the inner wall of the anchor sleeve and the clamping part are both tapered, the taper is the same, the inner wall of the anchor sleeve gradually reduces along the tail part of the anchor sleeve towards the head part, and the clamping part gradually reduces along the tail part of the clamping part towards the head part;
The guide part is arranged at the tail part of the clamping part, is provided with a guide inclined plane or a guide curved surface so as to guide when the suture anchor assembly is implanted into a human body, is provided with a through groove communicated with the gap, divides the guide part into at least two parts, wherein the at least two parts are connected through a connecting part, and the connecting part is also used for being wound by the suture thread; and/or the head of the anchor sleeve is provided with a counter bore for inserting a tightening tool.
2. The suture anchor assembly of claim 1 wherein,
The clamping part is provided with a central hole, a plurality of chucks are symmetrically distributed along the axis of the central hole, and the clamping surfaces of the chucks jointly form the hole wall of the central hole.
3. The suture anchor assembly of claim 1 or 2, wherein,
When the clamping part completely stretches into the axial hole, the guiding part is abutted against the tail part of the anchor sleeve.
4. The suture anchor assembly of claim 1 or 2, wherein,
And a buffer layer is arranged on the clamping surface of the clamping head.
5. The suture anchor assembly of claim 1 or 2, wherein,
The inner wall of the anchor sleeve and the outer wall of the clamping part are provided with mutually matched conical threads.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179078.7A CN109730734B (en) | 2019-03-11 | 2019-03-11 | Suture anchor assembly |
| PCT/CN2020/074755 WO2020181944A1 (en) | 2019-03-11 | 2020-02-11 | Suture anchor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179078.7A CN109730734B (en) | 2019-03-11 | 2019-03-11 | Suture anchor assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109730734A CN109730734A (en) | 2019-05-10 |
| CN109730734B true CN109730734B (en) | 2024-05-10 |
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|---|---|---|---|
| CN201910179078.7A Active CN109730734B (en) | 2019-03-11 | 2019-03-11 | Suture anchor assembly |
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| CN (1) | CN109730734B (en) |
| WO (1) | WO2020181944A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109730734B (en) * | 2019-03-11 | 2024-05-10 | 浙江科惠医疗器械股份有限公司 | Suture anchor assembly |
| CN112294491B (en) * | 2020-03-19 | 2023-01-31 | 南通市第一人民医院 | Minimally invasive comfortable urinary incontinence sling device and application thereof |
| CN113425350B (en) * | 2021-05-13 | 2023-03-17 | 花沐医疗科技(上海)有限公司 | Composite absorbable suture anchor and preparation method thereof |
| CN114073554B (en) * | 2022-01-19 | 2022-04-15 | 江苏泰科博曼医疗器械有限公司 | Minimally invasive surgery suture end locking device and method and operation gun body |
| CN114732459A (en) * | 2022-04-25 | 2022-07-12 | 尤尼泰科(重庆)医疗科技有限公司 | Labrum suture anchor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509233A (en) * | 1983-06-15 | 1985-04-09 | Esmet, Inc. | Rope clamp construction |
| EP0574707A1 (en) * | 1992-06-15 | 1993-12-22 | United States Surgical Corporation | Suture anchoring device and method |
| US5383905A (en) * | 1992-10-09 | 1995-01-24 | United States Surgical Corporation | Suture loop locking device |
| US5935129A (en) * | 1997-03-07 | 1999-08-10 | Innovasive Devices, Inc. | Methods and apparatus for anchoring objects to bone |
| US5957953A (en) * | 1996-02-16 | 1999-09-28 | Smith & Nephew, Inc. | Expandable suture anchor |
| US6527794B1 (en) * | 1999-08-10 | 2003-03-04 | Ethicon, Inc. | Self-locking suture anchor |
| CN101394795A (en) * | 2006-01-04 | 2009-03-25 | C2M医药公司 | Ring cinch assembly for attaching tissue to bone with a suture |
| EP2572648A1 (en) * | 2011-09-22 | 2013-03-27 | Arthrex, Inc. | Tensionable knotless anchors with splice and methods of tissue repair |
| CN109223076A (en) * | 2018-09-28 | 2019-01-18 | 北京市春立正达医疗器械股份有限公司 | Pre-knotted holdfast and its implanted device |
| CN209808442U (en) * | 2019-03-11 | 2019-12-20 | 浙江科惠医疗器械股份有限公司 | Suture anchor assembly |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5702397A (en) * | 1996-02-20 | 1997-12-30 | Medicinelodge, Inc. | Ligament bone anchor and method for its use |
| US5902321A (en) * | 1997-07-25 | 1999-05-11 | Innovasive Devices, Inc. | Device and method for delivering a connector for surgically joining and securing flexible tissue repair members |
| US7217279B2 (en) * | 2003-11-14 | 2007-05-15 | Ethicon, Inc. | Suture loop anchor |
| US9295460B2 (en) * | 2007-12-31 | 2016-03-29 | Cayenne Medical, Inc. | Anchors and method for securing suture to bone |
| US8709040B2 (en) * | 2008-06-26 | 2014-04-29 | Vitasynergies, Llc | Suture anchor, guide for locating a hole in a bone, and suture anchor delivery tool |
| CN202198632U (en) * | 2011-08-29 | 2012-04-25 | 刘硕 | Needle threading device for surgical suture needles |
| US10470756B2 (en) * | 2011-11-16 | 2019-11-12 | VentureMD Innovations, LLC | Suture anchor and method |
| US20140288595A1 (en) * | 2013-03-20 | 2014-09-25 | Rajiv D. Pandya | Soft tissue interference fit anchor system |
| CN109730734B (en) * | 2019-03-11 | 2024-05-10 | 浙江科惠医疗器械股份有限公司 | Suture anchor assembly |
-
2019
- 2019-03-11 CN CN201910179078.7A patent/CN109730734B/en active Active
-
2020
- 2020-02-11 WO PCT/CN2020/074755 patent/WO2020181944A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509233A (en) * | 1983-06-15 | 1985-04-09 | Esmet, Inc. | Rope clamp construction |
| EP0574707A1 (en) * | 1992-06-15 | 1993-12-22 | United States Surgical Corporation | Suture anchoring device and method |
| US5383905A (en) * | 1992-10-09 | 1995-01-24 | United States Surgical Corporation | Suture loop locking device |
| US5957953A (en) * | 1996-02-16 | 1999-09-28 | Smith & Nephew, Inc. | Expandable suture anchor |
| US5935129A (en) * | 1997-03-07 | 1999-08-10 | Innovasive Devices, Inc. | Methods and apparatus for anchoring objects to bone |
| US6527794B1 (en) * | 1999-08-10 | 2003-03-04 | Ethicon, Inc. | Self-locking suture anchor |
| CN101394795A (en) * | 2006-01-04 | 2009-03-25 | C2M医药公司 | Ring cinch assembly for attaching tissue to bone with a suture |
| EP2572648A1 (en) * | 2011-09-22 | 2013-03-27 | Arthrex, Inc. | Tensionable knotless anchors with splice and methods of tissue repair |
| CN109223076A (en) * | 2018-09-28 | 2019-01-18 | 北京市春立正达医疗器械股份有限公司 | Pre-knotted holdfast and its implanted device |
| CN209808442U (en) * | 2019-03-11 | 2019-12-20 | 浙江科惠医疗器械股份有限公司 | Suture anchor assembly |
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| Publication number | Publication date |
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| WO2020181944A1 (en) | 2020-09-17 |
| CN109730734A (en) | 2019-05-10 |
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