CN115005907A - Anchor with wire - Google Patents
Anchor with wire Download PDFInfo
- Publication number
- CN115005907A CN115005907A CN202210576403.5A CN202210576403A CN115005907A CN 115005907 A CN115005907 A CN 115005907A CN 202210576403 A CN202210576403 A CN 202210576403A CN 115005907 A CN115005907 A CN 115005907A
- Authority
- CN
- China
- Prior art keywords
- nail body
- nail
- suture anchor
- abutting
- wing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000587161 Gomphocarpus Species 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 26
- 230000000694 effects Effects 0.000 abstract description 10
- 210000000988 bone and bone Anatomy 0.000 description 35
- 238000000034 method Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Images
Classifications
-
- 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
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
-
- 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
-
- 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
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0464—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors for soft tissue
-
- 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
Abstract
The application discloses a suture anchor, which relates to the technical field of medical instruments and comprises a nail head and a nail body, wherein one side of the nail body, which faces the nail head, is provided with a slot; the pin head comprises a supporting portion and an installing portion, the installing portion is used for being inserted into the groove and matched with the inner wall of the groove in an elastic mode to fix the pin body to the pin head, a wire hole is formed in the supporting portion, and the wire hole is located outside the groove. This application has the effect that improves the firm nature that the suture is fixed.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a suture anchor.
Background
Suture anchors are miniature implants used to secure sutures in bone, through which the bone and soft tissue can be reconnected, and are commonly used in surgery of various joints of the human body.
Common suture anchors include a knock-in suture anchor, which is a device that knocks a suture through a suture hole into a bone canal to fix the position of the suture, and a screw-in suture anchor.
However, in the process of driving the knock-in type anchor into the bone channel, the bone can generate plastic deformation, so that the bone channel becomes thicker, the holding force on the anchor is reduced, and the phenomenon that the suture is not firmly fixed due to the loosening of the anchor is easy to occur.
Disclosure of Invention
In order to improve the firm nature of suture fastening, the present application provides a strip line anchor.
The application provides a strip line anchor, adopts following technical scheme:
a suture anchor comprises a pin head and a pin body, wherein one side of the pin body facing the pin head is provided with a slot;
the pin fin includes supporting part and installation department, the installation department be used for plug-in to connect in the fluting and with fluting inner wall elastic fit with fixed nail body to pin fin, the line hole has been seted up on the supporting part, the line hole is located outside the fluting.
Through adopting above-mentioned technical scheme, during the installation, after the suture passed the line hole, place the pin fin in the bone way, insert the nail body again in the bone way to remove the nail body through the mode of strikeing and make the installation department can peg graft to the fluting in, installation department and nail body are connected through elastic fit's mode, and make the nail body can expand outward and support tightly the bone way inner wall, and the nail body is difficult for breaking away from the bone way with the pin fin, plays the effect that improves the fixed firm nature of suture.
Optionally, the nail body includes the butt wing that is located slot week side, be provided with on the installation department and be used for promoting butt wing elastic deformation's spigot surface.
Through adopting above-mentioned technical scheme, when the installation department removed in the fluting, the spigot surface can promote the butt wing and take place elastic deformation for the butt wing supports tight bone way inner wall.
Optionally, the two abutting wings are arranged to be opposite to each other, and the two guide surfaces are arranged to form a wedge shape.
Through adopting above-mentioned technical scheme, two spigot surfaces form the wedge, can promote butt wing deformation and removal at the spigot surface removal in-process.
Optionally, the abutment wing and the guide surface form a line contact when abutting.
Through adopting above-mentioned technical scheme, spigot surface and butt wing line contact for the butt wing displacement is bigger, and the butt effect is better.
Optionally, the abutment wing and the guide surface form a surface contact when abutting.
Through adopting above-mentioned technical scheme, butt wing and spigot surface area of contact increase, butt wing atress is more even, and butt wing and bone way support tight effect better, are difficult for causing the harm to the bone way inner wall.
Optionally, be provided with first joint portion between supporting part and the installation department, be provided with on the butt wing and be used for with first joint portion complex second joint portion.
Through adopting above-mentioned technical scheme, play and be convenient for judge whether the nail body implants in place and prevent the effect that the nail body retreats.
Optionally, the nail head is provided with a guide hole along the axial direction thereof, the guide hole penetrates through two opposite ends of the nail body, a yielding groove is formed between the two guide surfaces, and a thread groove coaxial with the guide hole is formed in the inner wall of the yielding groove.
By adopting the technical scheme, the guide hole is used for the auxiliary rod to pass through, and the thread groove is used for being in threaded connection with the end part of the auxiliary rod;
during installation, after the auxiliary rod is in threaded connection with the installation part, the nail head is placed to the bottom of the bone channel, the nail body is sleeved on the outer side of the auxiliary rod, and the auxiliary rod plays a role in guiding the sliding of the nail body;
after the installation is completed, the auxiliary lever can be removed by rotating the auxiliary lever.
Optionally, the axis of the wire hole is perpendicular to the axis of the nail body, and the end part of the abutting wing is provided with a wire abutting part.
Through adopting above-mentioned technical scheme, the butt wing is after removing the completion, and the portion of keeping off can support the movement of tight suture, restriction suture to further play the effect of fixed suture.
Optionally, one end of the supporting portion, which is far away from the mounting portion, is set to be a smooth arc-shaped surface.
Through adopting above-mentioned technical scheme, at the in-process that the nail body removed through the power of pounding, the nail head is difficult for causing destruction to the bone way diapire.
Optionally, the outer wall of the nail body forms a plurality of truncated cone-shaped structures with the same size, and the conical surface of each truncated cone-shaped structure is gradually reduced towards the direction of the nail head.
By adopting the technical scheme, after the installation of the anchor nail is completed, the conical surface of the truncated cone-shaped structure plays a role in limiting the separation of the anchor nail from the bone tunnel.
In summary, the present application includes at least one of the following benefits:
1. the mounting part is connected with the nail body in an elastic matching mode, the nail body can be expanded to tightly abut against the inner wall of the bone channel, the nail body and the nail head are not easy to separate from the bone channel, and the effect of improving the fixation firmness of the suture is achieved;
2. the first clamping part and the second clamping part are arranged to play roles in conveniently judging whether the nail body is implanted in place or not and preventing the nail body from retreating;
3. the screw groove is arranged for the connection of the auxiliary rod, and the guide hole is arranged for facilitating the movement of the nail body.
Drawings
Fig. 1 is a schematic overall structure diagram of the present embodiment 1;
FIG. 2 is a schematic sectional view of the present embodiment 1 after installation;
FIG. 3 is a schematic view of the overall structure of the present embodiment 1 during installation;
FIG. 4 is a schematic cross-sectional view of the anchor of the present embodiment 2 shown in the uninstalled state;
fig. 5 is a schematic cross-sectional view of the present application after the installation of embodiment 2.
Description of reference numerals: 1. a nail head; 11. a support portion; 111. a wire hole; 12. an installation part; 121. a yielding groove; 122. a thread groove; 123. a guide surface; 13. a first clamping part; 2. a nail body; 21. a truncated cone shaped structure; 22. an abutment wing; 221. a second clamping part; 222. a wire butting part; 23. a guide hole; 24. slotting; 3. an auxiliary lever; 4. knocking the sleeve.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example 1:
referring to fig. 1 and 2, the suture anchor comprises a nail head 1 and a nail body 2, wherein the nail head 1 is used for a suture to pass through, and the nail body 2 is used for fixing the position of the nail head 1. During the installation, will wear the suture in proper order and with the continuous pin fin 1 of auxiliary rod 3 to and the nail body 2 grafting to the bone way on the auxiliary rod 3 is established to the cover, remove the nail body 2 through the mode of striking, the nail body 2 is connected through the mode of joint with pin fin 1, the nail body 2 offsets tightly through elastic deformation mode and bone way inner wall when fixed with pin fin 1, thereby the restriction suture breaks away from the bone way, the anchor can be installed in the bone way and be difficult for breaking away from the bone way.
Wherein, referring to fig. 1, the pin head 1 includes integrated into one piece's supporting part 11 and installation department 12, and supporting part 11 lateral wall runs through and sets up the line hole 111 that supplies the suture to pass, and the one end that supporting part 11 kept away from installation department 12 sets up to curved smooth curved surface for at the in-process of knocking the nail body 2, the impact force that the nail body 2 transmitted to the pin head 1 is difficult for making the pin head 1 to produce the destruction to the bone way.
The mounting portion 12 is provided with a relief groove 121 at an end thereof away from the supporting portion 11, and a thread groove 122 for the auxiliary rod 3 to be screwed is provided on a bottom wall of the relief groove 121. Referring to fig. 3, before installation, the auxiliary rod 3 is in threaded connection with the nail head 1, so that the nail head 1 can be conveniently taken and installed; after the installation of the anchor is finished, the auxiliary rod 3 can be rotated, the auxiliary rod 3 and the nail head 1 can be taken down after being disconnected, and only the anchor is left in the human body.
Referring to fig. 1, the mounting portion 12 is provided with a plurality of guide surfaces 123 at the circumferential side of the thread groove 122, the guide surfaces 123 are inclined gradually towards the direction close to the supporting portion 11 towards the direction away from the axis of the thread groove 122, and when the mounting portion 12 is in insertion fit with the nail body 2, the nail body 2 is driven to abut against the inner wall of the bone canal by the elastic fit of the guide surfaces 123 and the nail body 2. In the present embodiment, it is preferable that two guide surfaces 123 are used, and the two guide surfaces 123 are respectively located at the opening sides of the string holes 111.
Referring to fig. 1, the nail body 2 is cylindrical, a slot 24 for inserting the mounting portion 12 is formed in one side facing the nail head 1, the portion of the nail body 2 close to the nail head 1 is divided into two opposite abutting wings 22 through the slot 24, and in the process that the mounting portion 12 is inserted into the slot 24, the guide surface 123 can push the abutting wings 22, so that the abutting wings 22 are expanded outwards and abut against the inner wall of the bone channel tightly. In the embodiment of the present application with different numbers of guiding surfaces 123, the number of the abutting wings 22 is the same as that of the guiding surfaces 123, and the positions of the abutting wings 22 also correspond to those of the guiding surfaces 123, so that the anchor nail can have different fixing effects due to the different numbers of abutting wings 22.
Referring to fig. 1 and 3, a guide hole 23 for the auxiliary rod 3 to move is formed in the nail body 2, and the guide hole 23 penetrates through the inner wall of the slot 24 and one end of the nail body 2 far away from the abutting wing 22. When the anchor is installed, the auxiliary rod 3 provides guidance for the movement of the nail body 2, so that the nail body 2 is not easy to deviate when moving, the nail head 1 can be adjusted to a central position in the moving process of the nail body 2, and the auxiliary rod 3 can be detached through the guide hole 23 after the anchor installation is completed.
The circumferential side of the nail body 2 is provided with a plurality of truncated cone-shaped structures 21 at equal intervals along the axial direction, the conical surface of the truncated cone-shaped structures 21 gradually reduces towards the direction close to the nail head 1, and after the installation of the rivet is completed, the truncated cone-shaped structures 21 play roles in reinforcing the rivet and preventing the nail head 1 from falling off. In other embodiments of the present application, the nail body 2 may also use other structures for limiting the falling out, such as an external thread on the outer wall of the nail body 2.
Referring to fig. 1 and 2, the opposite surfaces of the two abutment wings 22 are planes parallel to the axis of the shank. The two sides of the nail head 1 are provided with first clamping parts 13, and the first clamping parts 13 are arranged at the end part of the guide surface 123, namely the joint of the supporting part 11 and the mounting part 12. The second clamping portions 221 which are fixedly connected to the surfaces of the two abutting wings 22 opposite to each other and are used for being clamped with the first clamping portions 13 play a role in conveniently judging whether the nail body 2 is implanted in place or not and preventing the nail body 2 from retreating. When first joint portion 13 and the cooperation of second joint portion 221, the guiding surface 123 is close to the border position and the butt wing 22 counterbalance of first joint portion 13, and guiding surface 123 and butt wing 22 form line contact for butt wing 22 displacement is bigger, and is better with the butt effect of bone way inner wall.
The abutting wing 22 includes an abutting portion 222 at an end, and after the nail head 1 and the nail body 2 are fixedly connected, the abutting portion 222 partially covers the thread hole 111, and the abutting portion 222 can abut against the suture to limit the movement of the suture, thereby further fixing the suture.
The implementation principle of a strip line anchor of the embodiment of the application is: when the auxiliary rod is installed, the auxiliary rod 3 is connected with the nail head 1 through threads, the nail head 1 is inserted into a bone channel, and the end part of the auxiliary rod 3 penetrates out of the bone channel;
then the nail body 2 is sleeved on the auxiliary rod 3, the end part of the auxiliary rod 3 penetrates out of the guide hole 23, and the knocking sleeve 4 is sleeved on the auxiliary rod 3 and abuts against the nail body 2;
when the knocking sleeve 4 is knocked, the knocking sleeve 4 moves to push the nail body 2 to move, the guide surface 123 gradually pushes the abutting wing 22 to expand outwards in the process that the mounting portion 12 moves along the slot 24, the abutting wing 22 and the inner wall of the bone tract are elastically deformed, and the line abutting portion 222 moves to push the abutting suture line until the first clamping portion 13 is matched with the second clamping portion 221; under the action of the reset force of the elastic deformation of the abutting wing 22 and the bone canal, the abutting wing and the bone canal can be abutted tightly, and the anchoring nail is fixed in position and is not easy to separate from the bone canal;
and finally, taking down the knocking sleeve 4, rotating the auxiliary rod 3, and taking out the auxiliary rod 3 from the guide hole 23.
Example 2:
the present embodiment is different from embodiment 2 in that the guide surface 123 and the abutment wing 22 are abutted differently.
Referring to fig. 4 and 5, when the shank 2 is not engaged with the stud 1, the slot 24 is slightly flared in the direction of the stud 1, i.e., the contact surface of the slot 24 is inclined in the direction of the stud 1 away from the axis of the stud 1. When first joint portion 13 and the cooperation of second joint portion 221, the one end that the spigot surface 123 is close to first joint portion 13 offsets with butt wing 22 and forms the face contact, and butt wing 22 and spigot surface 123 area of contact increase, and butt wing 22 atress is more even, and butt wing 22 and bone way are supported tight effect better, and are difficult for causing the harm to the bone way inner wall.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A suture anchor, characterized by: comprises a nail head (1) and a nail body (2), wherein one side of the nail body (2) facing the nail head (1) is provided with a slot (24);
the nail head (1) comprises a supporting part (11) and an installation part (12), the installation part (12) is used for being inserted into the groove (24) and elastically matched with the inner wall of the groove (24) to fix the nail body (2) to the nail head (1), a line hole (111) is formed in the supporting part (11), and the line hole (111) is located outside the groove (24).
2. The suture anchor of claim 1, wherein: the nail body (2) comprises an abutting wing (22) located on the circumferential side of the slot (24), and the mounting portion (12) is provided with a guide surface (123) used for pushing the abutting wing (22) to elastically deform.
3. The suture anchor of claim 2, wherein: the two abutting wings (22) are arranged to be opposite to each other, and the two guide surfaces (123) are arranged to be wedge-shaped.
4. The suture anchor of claim 3, wherein: the abutment wing (22) and the guide surface (123) form a line contact when abutting.
5. The suture anchor of claim 3, wherein: the abutment wing (22) and the guide surface (123) form a surface contact when abutting.
6. A suture anchor according to claim 2 or 3 wherein: be provided with first joint portion (13) between supporting part (11) and installation department (12), be provided with on butt wing (22) and be used for with first joint portion (13) complex second joint portion (221).
7. A suture anchor according to claim 1 or 2, wherein: the nail body (2) has seted up guiding hole (23) along its axial, guiding hole (23) run through the relative both ends of the nail body (2) have seted up between two spigot surfaces (123) and have stepped down groove (121), set up on the groove of stepping down (121) inner wall with coaxial thread groove (122) of guiding hole (23).
8. A suture anchor according to claim 2 or 3 wherein: the axis of the line hole (111) is perpendicular to the axis of the nail body (2), and a line abutting part (222) is arranged at the end part of the abutting wing (22).
9. The suture anchor of claim 1, wherein: one end, far away from the mounting part (12), of the supporting part (11) is set to be a smooth arc-shaped surface.
10. The suture anchor of claim 1, wherein: the outer wall of the nail body (2) forms a plurality of round platform-shaped structures (21) with the same size, and the conical surface of each round platform-shaped structure (21) is gradually reduced towards the direction of the nail head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210576403.5A CN115005907A (en) | 2022-05-25 | 2022-05-25 | Anchor with wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210576403.5A CN115005907A (en) | 2022-05-25 | 2022-05-25 | Anchor with wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115005907A true CN115005907A (en) | 2022-09-06 |
Family
ID=83068149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210576403.5A Pending CN115005907A (en) | 2022-05-25 | 2022-05-25 | Anchor with wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115005907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115956990A (en) * | 2022-12-22 | 2023-04-14 | 尤尼泰科(重庆)医疗科技有限公司 | Interface screw for medical operation and mounting method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5268001A (en) * | 1990-09-25 | 1993-12-07 | Innovasive Devices, Inc. | Bone fastener |
| CN111134749A (en) * | 2020-02-14 | 2020-05-12 | 长春圣博玛生物材料有限公司 | Knotless anchor |
| CN211243528U (en) * | 2019-10-14 | 2020-08-14 | 青岛九远医疗科技有限公司 | Anchor with wire |
| CN112244914A (en) * | 2020-09-27 | 2021-01-22 | 杭州锐健马斯汀医疗器材有限公司 | Extrusion type expansion anchor |
| CN113425350A (en) * | 2021-05-13 | 2021-09-24 | 花沐医疗科技(上海)有限公司 | Composite absorbable suture anchor and preparation method thereof |
| CN113693654A (en) * | 2021-07-07 | 2021-11-26 | 上海市第六人民医院 | Anchor with wire |
| CN214907916U (en) * | 2021-01-20 | 2021-11-30 | 宁波市第一医院 | Strenghthened type anchor to osteoporosis patient |
| CN215273032U (en) * | 2021-07-26 | 2021-12-24 | 二零二零（北京）医疗科技有限公司 | Medical anchor with wire |
| CN219229986U (en) * | 2022-05-25 | 2023-06-23 | 尤尼泰科(重庆)医疗科技有限公司 | Anchor with wire |
-
2022
- 2022-05-25 CN CN202210576403.5A patent/CN115005907A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5268001A (en) * | 1990-09-25 | 1993-12-07 | Innovasive Devices, Inc. | Bone fastener |
| CN211243528U (en) * | 2019-10-14 | 2020-08-14 | 青岛九远医疗科技有限公司 | Anchor with wire |
| CN111134749A (en) * | 2020-02-14 | 2020-05-12 | 长春圣博玛生物材料有限公司 | Knotless anchor |
| CN112244914A (en) * | 2020-09-27 | 2021-01-22 | 杭州锐健马斯汀医疗器材有限公司 | Extrusion type expansion anchor |
| CN214907916U (en) * | 2021-01-20 | 2021-11-30 | 宁波市第一医院 | Strenghthened type anchor to osteoporosis patient |
| CN113425350A (en) * | 2021-05-13 | 2021-09-24 | 花沐医疗科技(上海)有限公司 | Composite absorbable suture anchor and preparation method thereof |
| CN113693654A (en) * | 2021-07-07 | 2021-11-26 | 上海市第六人民医院 | Anchor with wire |
| CN215273032U (en) * | 2021-07-26 | 2021-12-24 | 二零二零（北京）医疗科技有限公司 | Medical anchor with wire |
| CN219229986U (en) * | 2022-05-25 | 2023-06-23 | 尤尼泰科(重庆)医疗科技有限公司 | Anchor with wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115956990A (en) * | 2022-12-22 | 2023-04-14 | 尤尼泰科(重庆)医疗科技有限公司 | Interface screw for medical operation and mounting method thereof |
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