CN113456139B - Non-absorbable suture anchor - Google Patents
Non-absorbable suture anchor Download PDFInfo
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- CN113456139B CN113456139B CN202110576807.XA CN202110576807A CN113456139B CN 113456139 B CN113456139 B CN 113456139B CN 202110576807 A CN202110576807 A CN 202110576807A CN 113456139 B CN113456139 B CN 113456139B
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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
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B17/0642—Surgical staples, i.e. penetrating the tissue for bones, e.g. for osteosynthesis or connecting tendon to bone
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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
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B2017/0647—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks
- A61B2017/0648—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks threaded, e.g. tacks with a screw thread
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Abstract
The application relates to a medical instrument, in particular to a non-absorbable suture anchor, which has the technical scheme that the non-absorbable suture anchor comprises a matching part for connecting an orthopedic implant and a bone and an implanting part which is coaxial with the matching part, wherein the outer surface of the implanting part is processed with an implanting thread; when the broken bone and the soft tissue need to be fixed simultaneously, firstly connecting the suture with the anchor with the wire, then driving the anchor with the wire to be screwed into the orthopedic implant until the implanted part is screwed out of the orthopedic implant, then connecting the matching part with the orthopedic implant, then extending the implanted part into the bone of a patient, and finally utilizing the suture to realize the fixation of the broken bone and the soft tissue; due to the design, the broken bones and the soft tissues can be fixed at the same time, so that the convenience of operation is greatly improved; meanwhile, the design is convenient for fixing the broken bones and the soft tissues respectively.
Description
Technical Field
The present application relates to medical devices, and more particularly to a non-absorbable suture anchor.
Background
The outer surface of the anchor with the thread is processed with threads, and the interior of the anchor with the thread is provided with a threading hole which penetrates through the anchor with the thread along the direction of the axis; when repairing soft tissue, an operator firstly connects the suture with the suture anchor, then screws the suture anchor into the bone of a patient by using the anchor implantation device, and finally fixes the soft tissue and the bone by using the suture.
When the broken bone and the soft tissue need to be fixed at the same time, aiming at the related technical scheme, the inventor finds that: the suture anchor can only realize the fixation of soft tissues, and the treatment of broken bones can only realize the connection of the orthopedic implant and the bones by utilizing other tools, so the design greatly increases the complexity of the operation.
Disclosure of Invention
In order to facilitate the realization simultaneously fixed to garrulous bone and soft tissue, improve the rapidity of operation, the application provides a non-absorbable suture anchor.
The application provides a non-absorbable suture anchor adopts following technical scheme:
a non-absorbable suture anchor includes a mating portion for connecting an orthopedic implant to a bone and an implant portion coaxial with the mating portion, the implant portion having an outer surface formed with implant threads.
By adopting the technical scheme, when the broken bone and the soft tissue need to be fixed simultaneously, firstly, the suture is connected with the anchor with the thread, then the anchor with the thread is driven to be screwed into the orthopedic implants such as the wound plate or the femoral stem until the implanted part is screwed out from the wound plate or the femoral stem, then the matching part is connected with the orthopedic implants such as the wound plate or the femoral stem, then the implanted part is extended into the bone of a patient, and finally, the broken bone and the soft tissue are fixed by the suture; the design facilitates the connection of the anchor with the wire and the bone, and simultaneously enables orthopedic implants such as a wound plate or a femoral stem and the like to be connected with the bone of a patient, thereby facilitating the fixation of broken bones and soft tissues at the same time and greatly improving the convenience of operation; meanwhile, the design is convenient for fixing the broken bone and the soft tissue respectively.
Preferably, the outer surface of the mating portion is machined with mating threads.
Through adopting above-mentioned technical scheme, the cooperation part relies on the cooperation screw thread to realize being connected with orthopedic implant such as wound board or femoral stem, and such design makes orthopedic implant such as wound board or femoral stem can realize being connected with patient's skeleton to can fix broken bone and soft tissue simultaneously.
Preferably, the pitch of the mating thread is smaller than the pitch of the implant thread.
By adopting the technical scheme, because the thread pitch of the matching thread is smaller than that of the implanted thread, when the anchor with the wire rotates for a circle, the advancing distance of the matching part is smaller than the advancing distance of the implanted part, namely, the matching part and the implanted part can generate relative displacement, the design improves the pretightening force between the matching part and the orthopedic implants such as the wound plate or the femoral stem and the like and the pretightening force between the implanted part and the bone of the patient, and further improves the connection strength and the stability between the anchor with the bone of the patient, the orthopedic implants such as the wound plate or the femoral stem and the like and the bone of the patient.
Preferably, the outer diameter of the mating portion increases in a direction from proximal to distal to the implanted portion, and the minimum outer diameter of the mating portion is greater than the outer diameter of the implanted portion.
By adopting the technical scheme, the outer diameter of the matching part is gradually increased along the direction from the close to the implantation part to the far away from the implantation part, the design ensures the tightness of the thread pair, so that the matching part can be screwed more and more tightly when screwed into the orthopedic implants such as the wound plate or the femoral stem, and the like, thereby improving the connection strength between the orthopedic implants such as the wound plate or the femoral stem, and the like and the anchor with the thread; the minimum external diameter of cooperation part is greater than the external diameter of implanting the part, can reduce the injury to patient's skeleton under the prerequisite of guaranteeing orthopedic implant such as wound board or femoral stem and patient's skeleton stable connection, and then shortens the recovery time of postoperative.
Preferably, the mating portion comprises a transition bar and an abutment cap; the transition rod and the implantation part are integrally formed, and the abutting cap is arranged at one end of the transition rod, which is far away from the implantation part, and is integrally formed with the transition rod; the outer diameter of the abutting cap is larger than that of the transition rod.
By adopting the technical scheme, when the orthopedic implants such as the wound plate or the femoral stem need to be connected with the bone of a patient, firstly, the implanted part penetrates through the orthopedic implants such as the wound plate or the femoral stem and is screwed into the bone of the patient, and meanwhile, the transition rod is left inside the orthopedic implants such as the wound plate or the femoral stem, so that the abutting cap is abutted against the outer surface of the orthopedic implants such as the wound plate or the femoral stem, and the connection between the orthopedic implants such as the wound plate or the femoral stem and the bone of the patient can be realized; the design improves the convenience of operation and shortens the operation time.
Preferably, the outer surface of the implant part is machined with two cutting planes symmetrically arranged along the axis of the implant part; the cutting plane is provided with a first threading through hole of which the axis is vertical to the axis of the implanted part and a second threading through hole parallel to the axis of the first threading through hole; a thread winding block is arranged between the first threading through hole and the second threading through hole.
By adopting the technical scheme, when the anchor with the thread is connected with the suture thread, one end of the suture thread firstly passes through the second threading through hole, and then one end of the suture thread is threaded into the first threading through hole and then threaded into the threading through hole until the suture thread penetrates out from the end surface of the matching part far away from the plant part; then the other end of the suture is threaded into the first threading hole and then is threaded into the threading hole until the suture penetrates out of the end face of the matching part far away from the implantation part; the design enables the suture to be arranged inside the anchor with the wire, reduces the resistance when the anchor with the wire is screwed into the bone implant of the patient, the wound plate or the femoral stem and the like, enables the anchor with the wire to be smoothly screwed into the bone implant of the patient, the bone implant of the wound plate or the femoral stem and the like, and improves the rapidness of the operation.
Preferably, the winding block is provided with a weight reduction groove.
Through adopting above-mentioned technical scheme, the weight reduction groove of seting up can alleviate the whole weight of area line anchor to be convenient for weaken patient's foreign matter sense.
Preferably, the suture anchor is provided with a threading hole penetrating through the suture anchor along the axis.
By adopting the technical scheme, when the anchor with the wire needs to be screwed into the bone of the patient, the intramedullary needle penetrates through the orthopedic implant such as a wound plate or a femoral stem by using a medical tool and extends into the bone of the patient, then the threading hole is aligned with the intramedullary needle, and the anchor with the wire is driven to move towards the direction close to the bone of the patient until the anchor with the wire is screwed into the bone of the patient; the configuration of the threader hole provides a guide for the anchor, reducing the likelihood of the anchor becoming dislodged when it is driven into the patient's bone.
Preferably, the end of the implantation portion remote from the mating portion is formed with a pointed tip coaxial with the implantation portion, the outer diameter of the pointed tip decreasing in a direction from proximal to distal from the mating portion.
Through adopting above-mentioned technical scheme, the design of tip further reduces the resistance when taking line anchor nail precession patient's bone and trauma board or femoral stem etc. orthopedic implant to be convenient for make taking line anchor nail can be smooth precession patient's bone in and trauma board or femoral stem etc. orthopedic implant, improved the agility of operation.
Preferably, the outer surface of the tip is machined with at least one cutting groove.
By adopting the technical scheme, the design of the cutting groove is convenient for enabling the implanted part to be screwed into the bone more smoothly in the process that the implanted part is screwed into the bone of a patient.
In summary, the present application has the following technical effects:
1. when the broken bone and the soft tissue need to be fixed simultaneously, firstly, the suture is connected with the anchor with the suture, then the anchor with the suture is driven to be screwed into the orthopedic implants such as the wound plate or the femoral stem and the like until the implanted part is screwed out from the wound plate or the femoral stem, then the matching part is connected with the orthopedic implants such as the wound plate or the femoral stem and the like, then the implanted part is extended into the bone of a patient, and finally, the broken bone and the soft tissue are fixed by the suture; the design facilitates the connection of the anchor with the wire and the bone, and simultaneously enables orthopedic implants such as a wound plate or a femoral stem and the like to be connected with the bone of a patient, thereby facilitating the fixation of broken bones and soft tissues at the same time and greatly improving the convenience of operation; meanwhile, due to the design, the broken bones and the soft tissues can be conveniently fixed respectively;
2. the matching part is connected with the orthopedic implants such as the wound plate or the femoral stem and the like by matching threads, and the design enables the orthopedic implants such as the wound plate or the femoral stem and the like to be connected with the bone of a patient, so that broken bones and soft tissues can be fixed simultaneously;
3. when the orthopedic implants such as the wound plate or the femoral stem need to be connected with the bone of a patient, firstly, the implanted part penetrates through the orthopedic implants such as the wound plate or the femoral stem and is screwed into the bone of the patient, meanwhile, the transition rod is left inside the orthopedic implants such as the wound plate or the femoral stem, and the abutting cap is abutted against the outer surface of the orthopedic implants such as the wound plate or the femoral stem, so that the connection between the orthopedic implants such as the wound plate or the femoral stem and the bone of the patient can be realized; the design improves the convenience of operation and shortens the operation time;
4. when the anchor with the thread is connected with the suture thread, one end of the suture thread firstly passes through the second threading through hole, and then one end of the suture thread passes through the first threading through hole and then passes through the threading hole until the suture thread passes out from the end face of the matching part far away from the plant part; then the other end of the suture is threaded into the first threading hole and then threaded into the threading hole until the suture penetrates out of the end face of the matching part far away from the implantation part; the design enables the suture to be arranged inside the anchor with the wire, reduces the resistance when the anchor with the wire is screwed into the bone of a patient and the bone implants such as the wound plate or the femoral stem, enables the anchor with the wire to be smoothly screwed into the bone of the patient and the bone implants such as the wound plate or the femoral stem, and improves the rapidity of operation.
Drawings
FIG. 1 is an elevation view of a suture anchor in accordance with an embodiment of the present application;
FIG. 2 is a side view of a suture anchor in accordance with an embodiment of the present application;
FIG. 3 is a schematic structural view of a suture anchor in accordance with an embodiment of the present application;
FIG. 4 is an elevation view of a suture anchor according to example two of the present application;
FIG. 5 is a side view of a suture anchor according to example two of the present application;
FIG. 6 is an elevation view of a suture anchor in accordance with a third embodiment of the present application;
fig. 7 is a side view of a suture anchor in accordance with an embodiment of the present application.
In the figure, 1, a suture anchor; 11. threading holes; 12. an auxiliary groove; 2. a mating portion; 21. matching threads; 22. a transition rod; 23. a butt cap; 3. an implanted portion; 31. implanting threads; 32. cutting a plane; 33. a first threading through hole; 34. a second threading through hole; 35. a winding block; 351. a weight reduction groove; 4. a tip; 41. and (5) cutting a groove.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The first embodiment is as follows:
referring to fig. 1 and 2, the present application provides a non-absorbable suture anchor comprising a fitting portion 2 and an implanting portion 3 coaxial with the fitting portion 2, wherein an outer surface of the implanting portion 3 is processed with an implanting thread 31, and lengths of the fitting portion 2 and the implanting portion 3 are determined according to actual conditions of surgery; the outer surface of the implant part 3 is machined with two cutting planes 32 symmetrically arranged along the axis of the implant part 3; the cutting plane 32 is provided with a first threading through hole 33 and a second threading through hole 34 in sequence along the direction from the matching part 2 to the implantation part 3, wherein the axis of the first threading through hole 33 is vertical to the axis of the implantation part 3, and the first threading through hole 33 is parallel to the second threading through hole 34; a winding block 35 is further arranged between the first threading through hole 33 and the second threading through hole 34, the thickness of the winding block 35 is smaller than the outer diameter of the implantation part 3, and a fillet is processed on the outer surface of the winding block 35; the interior of the anchor with thread 1 is provided with a threading hole 11 which is coaxial with the anchor with thread 1, and the threading hole 11 extends into the first threading through hole 33 from the end surface of the matching part 2 which is far away from the implantation part 3.
When the anchor 1 with the suture is connected with the suture, one end of the suture is firstly threaded through the second threading through hole 34, and then one end of the suture is threaded into the first threading through hole 33 and then threaded into the threading hole 11 until the suture penetrates out from the end face of the matching part 2 far away from the plant part; then, the other end of the suture is threaded into the first threading hole 11 and then threaded into the threading hole 11 until the suture penetrates out of the end face, far away from the implanted part 3, of the matching part 2; due to the design, the suture exists in the anchor 1, so that the resistance of the anchor 1 when the anchor 1 is screwed into the bone implant of a patient, such as a wound plate or a femoral stem, is reduced, the anchor 1 can be smoothly screwed into the bone implant of the patient, such as the wound plate or the femoral stem, and the rapidness of the operation is improved; the winding block 35 is arranged to play a role in preventing the suture from falling off, so that the possibility that the suture falls off from the interior of the anchor 1 with the suture is reduced; the thickness of the winding block 35 being smaller than the outer diameter of the implanted portion 3 facilitates placement of the suture within the anchor 1, thereby facilitating a reduction of resistance of the anchor 1 to screwing into the patient's bone and into an orthopedic implant such as a wound plate or femoral stem; the outer surface of the winding block 35 is provided with a fillet, so that the design reduces the abrasion of the winding block 35 to the suture line and ensures the normal use of the suture line.
Referring to fig. 3, in order to fix the crushed bone and the soft tissue at the same time, an implant screw 31 is processed on the outer circumferential surface of the implant part 3, and the pitch of the mating screw 21 is smaller than that of the implant screw 31; the outer diameter of the fitting portion 2 is gradually increased in the direction from the approach to the distance from the implanted portion 3, and the minimum outer diameter of the fitting portion 2 is larger than the outer diameter of the implanted portion 3; the suture anchor 1 may be made of PEEK material or other materials.
When the broken bone and the soft tissue need to be fixed simultaneously, firstly, the suture is connected with the anchor 1 with the suture, secondly, the anchor 1 with the suture is driven to be screwed into the orthopedic implants such as the wound plate or the femoral stem, and the like until the implanted part 3 is screwed out from the wound plate or the femoral stem, at the moment, the matching part 2 is positioned inside the wound plate or the femoral stem, then the implanted part 3 is screwed into the bone of the patient, so that the fixation of the orthopedic implants such as the wound plate or the femoral stem, and the like and the bone of the patient is realized, and finally, the fixation of the broken bone and the soft tissue is realized by the suture; the design facilitates the connection of the anchor 1 with the line and simultaneously the connection of the anchor 1 with the line and the connection of the orthopedic implants such as a wound plate or a femoral stem and the like with the bone of a patient, thereby facilitating the fixation of soft tissues and the fixation of broken bones and further enabling the operation to be more rapid; of course, the suture anchor 1 can also be used for respectively fixing soft tissues and broken bones; when the soft tissue is fixed simply, the anchor 1 with the wire is only required to be screwed into the bone of the patient directly; when the broken bone is simply fixed, the orthopedic implants such as a wound plate or a femoral stem and the like need to be connected with the bone of a patient by using the suture anchor 1; the thread pitch of the matching thread 21 is smaller than that of the implanting thread 31, which means that after the anchor 1 rotates for one circle, the advancing distance of the matching part 2 is smaller than that of the implanting part 3, namely, the matching part 2 and the implanting part 3 can generate relative displacement, so that the pretightening force between the matching part 2 and the orthopedic implant such as a wound plate or a femoral stem and the pretightening force between the implanting part 3 and the bone of the patient are improved, and the connection strength and the stability between the anchor 1 and the bone of the patient, the orthopedic implant such as the wound plate or the femoral stem and the bone of the patient are further improved; the outer diameter of the matching part 2 is gradually increased along the direction from the close to the far away from the implanted part 3, the design ensures the tightness of the thread pair, and the matching part 2 can be screwed more and more tightly when screwed into the orthopedic implants such as the wound plate or the femoral stem, so that the connection strength of the orthopedic implants such as the wound plate or the femoral stem and the suture anchor 1 is improved; the minimum external diameter of cooperation part 2 is greater than the external diameter of implanting part 3, can reduce the injury to patient's skeleton under the prerequisite of guaranteeing orthopedic implant such as wound board or femoral stem and patient's skeleton stable connection, and then shortens the recovery time of postoperative.
Referring to fig. 3, in order to reduce the resistance generated when the suture anchor 1 is screwed into the patient's bone and into an orthopedic implant such as a wound plate or femoral stem, the front ends of the mating thread 21 and the implantation thread 31 are designed to be tapered; in order to reduce the damage to the patient's bone on the premise of ensuring that the suture anchor 1 is stably connected with the patient's bone, orthopedic implants such as a trauma plate or femoral stem, etc., and the patient's bone, the outer edges of the mating thread 21 and the implanting thread 31 are both processed with rounded corners.
Referring to fig. 3, in order to further reduce the resistance when the anchor 1 is screwed into the bone of the patient and the bone implant such as the trauma plate or the femoral stem, thereby facilitating the smooth screwing of the anchor 1 into the bone of the patient and the bone implant such as the trauma plate or the femoral stem, and improving the rapidity of the surgical operation, a tip 4 coaxial with the implant part 3 is processed at one end of the implant part 3 away from the fitting part 2, the outer diameter of the tip 4 is gradually reduced along the direction from the close to the far away from the fitting part 2, the tip 4 forms a tip at the end away from the fitting part 2, and a rounded corner is processed at the tip; in order to facilitate the implant part 3 to be smoothly screwed into the bone of the patient, at least one cutting groove 41 is formed on the outer circumferential surface of the tip 4, and in the embodiment of the present application, three cutting grooves 41 are uniformly formed on the outer circumferential surface of the tip 4.
Referring to fig. 2 and 3, in order to facilitate the anchor implanter for implanting the suture anchor 1 into the bone of the patient, the end surface of the fitting portion 2 away from the implanting portion 3 is opened with an auxiliary groove 12, in the embodiment of the present application, the cross section of the auxiliary groove 12 is square, but in other examples, the cross section of the auxiliary groove 12 may be a regular hexagon or the like including at least one straight line, or a plum blossom shape; in order to reduce the risk of scratching the surgical personnel by the suture anchor 1, the outer edge of the end face of the mating portion 2 remote from the implanted portion 3 is rounded.
To sum up, the application process of this application is: when the broken bone and the soft tissue need to be fixed at the same time, one end of the suture line is firstly threaded through the second threading through hole 34, and then one end of the suture line is threaded into the first threading through hole 33 and then threaded into the threading hole 11 until the suture line penetrates out from the end face of the matching part 2 far away from the plant part; then, the other end of the suture is threaded into the first threading hole 11 and then threaded into the threading hole 11 until the suture penetrates out of the end face, far away from the implanted part 3, of the matching part 2; after the suture is connected with the suture anchor 1, the suture anchor 1 is driven to be screwed into the orthopedic implant such as the wound plate or the femoral stem until the implanted part 3 is screwed out of the wound plate or the femoral stem, the matching part 2 is positioned inside the wound plate or the femoral stem, then the implanted part 3 is screwed into the bone of the patient, so that the fixation of the wound plate and the bone is realized, and finally the fixation of broken bone and soft tissue is realized by the suture.
Example two:
the second embodiment is different from the first embodiment in that: referring to fig. 4 and 5, in order to accurately screw the anchor 1 into the bone of the patient, the anchor 1 is provided with a threading hole 11 which penetrates the anchor 1 and is coaxial with the anchor 1; when the anchor 1 with the wire needs to be screwed into the bone of a patient, firstly, the intramedullary needle penetrates through the orthopedic implant such as a wound plate or a femoral stem by using a medical tool and extends into the bone of the patient, then the threading hole 11 is aligned with the intramedullary needle, and the anchor 1 with the wire is driven to move towards the direction close to the bone of the patient until the anchor 1 with the wire is screwed into the bone of the patient; such a design provides guidance to the suture anchor 1, reducing the likelihood of migration of the suture anchor 1 as it is threaded into the patient's bone, thereby improving the ease of operation.
With reference to fig. 4 and 5, the mating portion 2 comprises a transition stem 22 coaxial with the implanted portion 3 and an abutment cap 23 coaxial with the transition stem 22, wherein the transition stem 22 is integrally formed with the implanted portion 3 and the outer diameter of the transition stem 22 is equal to the outer diameter of the implanted portion 3; the abutting cap 23 is arranged at one end of the transition rod 22 far away from the implantation part 3 and is integrally formed with the transition rod 22, the outer diameter of the abutting cap 23 is gradually increased along the direction from the end close to the transition rod 22 to the end far away from the transition rod 22, and the minimum outer diameter of the abutting cap 23 is larger than that of the transition rod 22; the end face of the abutting cap 23 far away from the transition rod 22 is provided with an auxiliary groove 12, and the cross section of the auxiliary groove 12 is in a regular hexagon shape.
When the broken bone and the soft tissue need to be fixed simultaneously, firstly, the suture is connected with the suture anchor 1, secondly, the suture anchor 1 is driven to be screwed into the orthopedic implants such as the wound plate or the femoral stem until the implanted part 3 is screwed out from the wound plate or the femoral stem, at the moment, the transition rod 22 is reserved inside the orthopedic implants such as the wound plate or the femoral stem, the abutting cap 23 is positioned outside the orthopedic implants such as the wound plate or the femoral stem and is abutted against the outer surfaces of the orthopedic implants such as the wound plate or the femoral stem, then the implanted part 3 is screwed into the bone of the patient, so that the fixation of the orthopedic implants such as the wound plate or the femoral stem and the bone of the patient is realized, and finally, the fixation of the broken bone and the soft tissue is realized by the suture; due to the design, the suture anchor 1 can be conveniently connected with the bone, and meanwhile, orthopedic implants such as a wound plate or a femoral stem can be connected with the bone, so that broken bones and soft tissues can be conveniently fixed at the same time, and the convenience of operation is improved; the outer diameter of the abutment cap 23 increases gradually from the proximal end to the distal end of the transition rod 22, so that the orthopedic implant, such as a trauma plate or femoral stem, can achieve weight reduction while being stably connected to the patient's bone.
Example three:
the third embodiment is different from the first embodiment in that: referring to fig. 6 and 7, in order to reduce the weight of the anchor bolt 1, a weight reduction groove 351 is formed along the winding block 35; the end surface of the matching part 2 far away from the implantation part 3 is provided with an auxiliary groove 12, and the cross section of the auxiliary groove 12 is plum blossom-shaped.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (1)
1. A non-absorbable suture anchor for providing simultaneous fixation of crushed bone and soft tissue, the suture anchor comprising: a matching part (2) used for enabling the orthopedic implant to be connected with the bone and an implantation part (3) coaxial with the matching part (2), wherein an implantation thread (31) is processed on the outer surface of the implantation part (3); the matching part (2) is used for realizing connection with an orthopedic implant of a wound plate or a femoral stem, and the implanting part (3) is used for extending into the bone;
the outer surface of the matching part (2) is provided with matching threads (21); the pitch of the mating thread (21) is smaller than the pitch of the implant thread (31);
the outer surface of the implantation part (3) is provided with two cutting planes (32) which are symmetrically arranged along the axis of the implantation part (3); the cutting plane (32) is provided with a first threading through hole (33) with the axis vertical to the axis of the implantation part (3) and a second threading through hole (34) parallel to the axis of the first threading through hole (33); a winding block (35) is arranged between the first threading through hole (33) and the second threading through hole (34); the threaded anchor (1) is provided with a threading hole (11) penetrating through the threaded anchor (1) along the axis;
a pointed head (4) coaxial with the implanted part (3) is processed at one end of the implanted part (3) far away from the matching part (2), and the outer diameter of the pointed head (4) is gradually reduced along the direction from the close to the matching part (2); the outer surface of the pointed end (4) is provided with at least one cutting groove (41); the second threading through hole (34) is arranged at a position close to the pointed head (4), and the near end of the cutting groove (41) is closer to the matching part (2) than the central point of the second threading through hole (34);
in order to facilitate the implantation of the suture anchor (1) into the bone of a patient by using the anchor implantation device, the end surface of the matching part (2) far away from the implantation part (3) is provided with an auxiliary groove (12); the thickness of the winding block (35) is smaller than the outer diameter of the implantation part (3) so as to facilitate the suture to be placed inside the suture anchor (1);
wherein the bottom of the cutting groove (41) is a concave arc; the cutting plane (32) cuts off two crests of the implanted screw thread (31) corresponding to the part of the winding block (35); the outer diameter of the matching part (2) is gradually increased along the direction from the approach to the far away from the implantation part (3), the minimum outer diameter of the matching part (2) is larger than the outer diameter of the implantation part (3), and an unslotted shaft body is arranged between the matching thread (21) of the matching part (2) and the implantation thread (31) of the implantation part (3);
when the broken bone and the soft tissue need to be fixed at the same time, one end of the suture line is firstly threaded through the second threading through hole (34), and then one end of the suture line is threaded into the first threading through hole (33) and then threaded into the threading hole (11) until the suture line penetrates out from the end face of the matching part (2) far away from the implantation part (3); then the other end of the suture is threaded into the first threading through hole (33) and then is threaded into the threading hole (11) until the suture penetrates out of the end face of the matching part (2) far away from the implantation part (3); after the suture line is connected with the anchor with the suture line (3), the anchor with the suture line (1) is driven to be screwed into the bone implant such as the wound plate or the femoral stem until the implanted part (3) is screwed out of the wound plate or the femoral stem, the matching part (2) is positioned inside the wound plate or the femoral stem, then the implanted part (3) is screwed into the bone of a patient, so that the fixation of the wound plate and the bone is realized, and finally the fixation of broken bones and soft tissues is realized by utilizing the suture line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110576807.XA CN113456139B (en) | 2021-05-26 | 2021-05-26 | Non-absorbable suture anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110576807.XA CN113456139B (en) | 2021-05-26 | 2021-05-26 | Non-absorbable suture anchor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113456139A CN113456139A (en) | 2021-10-01 |
| CN113456139B true CN113456139B (en) | 2023-01-10 |
Family
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| CN202110576807.XA Active CN113456139B (en) | 2021-05-26 | 2021-05-26 | Non-absorbable suture anchor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115500885A (en) * | 2022-07-27 | 2022-12-23 | 宁波拜锐生物科技有限公司 | Self-tapping anchor with thread |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090192546A1 (en) * | 2005-03-30 | 2009-07-30 | Reinhold Schmieding | Fenestrated suture anchor and method for knotless fixation of tissue |
| US20100030276A1 (en) * | 2008-07-31 | 2010-02-04 | Dave Huebner | Periarticular Bone Plate With Biplanar Offset Head Member |
| CN210697712U (en) * | 2019-04-26 | 2020-06-09 | 常州华众生物科技有限公司 | Full-thread metal anchor with wire for soft tissue fixation |
| US20210100545A1 (en) * | 2019-10-07 | 2021-04-08 | Valeris Medical, Inc. | Suture anchor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN213098084U (en) * | 2020-03-25 | 2021-05-04 | 宁波华科润生物科技有限公司 | Soft tissue fixing assembly |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090192546A1 (en) * | 2005-03-30 | 2009-07-30 | Reinhold Schmieding | Fenestrated suture anchor and method for knotless fixation of tissue |
| US20100030276A1 (en) * | 2008-07-31 | 2010-02-04 | Dave Huebner | Periarticular Bone Plate With Biplanar Offset Head Member |
| CN210697712U (en) * | 2019-04-26 | 2020-06-09 | 常州华众生物科技有限公司 | Full-thread metal anchor with wire for soft tissue fixation |
| US20210100545A1 (en) * | 2019-10-07 | 2021-04-08 | Valeris Medical, Inc. | Suture anchor |
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| CN113456139A (en) | 2021-10-01 |
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