CN217014125U - Half-moon plate sewing nail - Google Patents
Half-moon plate sewing nail Download PDFInfo
- Publication number
- CN217014125U CN217014125U CN202220184837.6U CN202220184837U CN217014125U CN 217014125 U CN217014125 U CN 217014125U CN 202220184837 U CN202220184837 U CN 202220184837U CN 217014125 U CN217014125 U CN 217014125U
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- Prior art keywords
- nail
- suturing
- needle tube
- suturing nail
- suture
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- 238000009958 sewing Methods 0.000 title abstract description 13
- 241001272720 Medialuna californiensis Species 0.000 title description 4
- 230000005499 meniscus Effects 0.000 claims abstract description 25
- 238000002513 implantation Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000000281 joint capsule Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002303 tibia Anatomy 0.000 description 1
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Abstract
The utility model relates to the technical field of meniscus sewing, in particular to a meniscus sewing nail. The meniscus suture nail comprises a first suture nail, a second suture nail and a suture line, wherein a first implantation conical surface is arranged at the front end of the first suture nail, a first dovetail groove is arranged at the rear end of the first suture nail, two first threading holes are formed in the first suture nail at intervals from front to back, the first threading holes are formed in the vertical direction, and one ends of the two first threading holes are communicated through a line accommodating groove; the front end face of the second suturing nail is provided with a second implanting conical surface, the rear end of the second suturing nail is provided with a second dovetail groove, the front end face and the rear end face of the second suturing nail are both provided with sliding grooves, and two second threading holes which are communicated front and back are formed in the second suturing nail above the sliding grooves at intervals; the suture line connects the first suturing nail and the second suturing nail through the first threading hole and the second threading hole. The utility model ensures that the first suturing nail and the second suturing nail can be smoothly pushed out, has reasonable structural design and high nail body strength, and has good stability in the process of moving the suturing nails along the outer needle tube.
Description
Technical Field
The utility model relates to the technical field of meniscus sewing, in particular to a meniscus sewing nail.
Background
The tibia articular surface has medial and lateral meniscus-shaped bones called meniscus, whose edge is thicker and tightly connected with the joint capsule, and central portion is thinner and free. In addition to the ability to repair itself after damage to the limbal region, the meniscus is not self-healing after rupture.
The meniscus is broken and is usually sewed up by adopting a meniscus stitching instrument, the meniscus stitching instrument comprises an outer needle tube and an inner needle tube, the inner needle tube can move back and forth in the inner cavity of the outer needle tube, a meniscus stitching nail is installed in the inner cavity of the outer needle tube, the meniscus stitching nail comprises two nail bodies, the two nail bodies are connected through a suture, the inner needle tube and the outer needle tube penetrate through one side of the meniscus crack together, the inner needle tube pushes a first nail body out of the outer needle tube, then the inner needle tube and the outer needle tube move out together, the inner needle tube penetrates through the other side of the meniscus crack again, the inner needle tube pushes a second nail body out of the outer needle tube, and then the two sides of the meniscus crack are fixed.
The existing half-moon plate sewing nail has a plurality of defects in practical use, such as: (1) the staples risk failing to be ejected; (2) the structural design of the nail body of the suturing nail is unreasonable, and the strength of the nail body needs to be improved; (3) the stability of the staples on the outer needle tube is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a meniscus sewing nail, which overcomes the defects of the prior art, ensures that a first sewing nail and a second sewing nail can be smoothly pushed out, and has the advantages of reasonable structural design, high nail body strength and good stability in the process of moving the sewing nails along an outer needle tube.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a meniscal suture nail comprising a first staple, a second staple and a suture, wherein:
the front end of the first suturing nail is provided with a first implanting conical surface, the rear end of the first suturing nail is provided with a first dovetail groove, two first threading holes are formed in the first suturing nail at intervals from front to back, the first threading holes are formed in the vertical direction, and one ends of the two first threading holes are communicated through the thread accommodating groove;
the front end face of the second suturing nail is provided with a second implantation conical surface, the rear end of the second suturing nail is provided with a second dovetail groove, the front end face and the rear end face of the second suturing nail are both provided with sliding grooves, and two second threading holes which are communicated back and forth are formed in the second suturing nail above the sliding grooves at intervals;
the suture line connects the first suturing nail and the second suturing nail through the first threading hole and the second threading hole;
the first suturing nail and the second suturing nail are arranged at the front end of an outer needle tube of the meniscus suturing device at intervals, an accommodating groove communicated with the front end face of the outer needle tube is formed in the front end of the side wall of the outer needle tube, the first suturing nail is located at the front end of an inner cavity of the outer needle tube, the second suturing nail is located behind the first suturing nail, a sliding groove of the second suturing nail is arranged on the accommodating groove in a sliding mode, a second dovetail groove is clamped at the rear end of the accommodating groove, and an inner needle tube of the meniscus suturing device before meniscus suturing is pressed between the second suturing nail and the inner cavity of the outer needle tube; the front end of the inner needle tube is of an elastic upwarping structure;
in an initial state, the second suturing nail presses the inner needle tube, when the inner needle tube is pushed forwards, the needle head of the inner needle tube abuts against the first dovetail groove of the first suturing nail to push out the first suturing nail, implantation of the first suturing nail is completed, after the first suturing nail is pushed out, the inner needle tube is retracted, due to the fact that the front end of the inner needle tube is of an elastic upwarping structure, the inner needle tube is tilted when being retracted to the rear side of the second suturing nail and abuts against the second dovetail groove, when the second suturing nail is pushed forwards, the sliding groove of the second suturing nail slides along the accommodating groove, and the inner needle tube moves stably to ensure smooth pushing out; overall structure sets up rationally, and structural strength is high.
Further, the sliding groove is arranged at the middle lower part of the side surface of the second suturing nail.
Furthermore, the spout is V type groove, and the angle of spout is 90-110, and the angle sets up rationally, guarantees that the spout keeps stable when sliding along the storage tank.
Furthermore, the angles of the first dovetail groove and the second dovetail groove are both 50-70 degrees, and the angle setting is reasonable, so that the first suturing nail and the second suturing nail can be accurately pushed.
The beneficial effects of the utility model are: compared with the prior art, the half-moon plate sewing nail has the following advantages: ensure that first sewing nail and second sew up the nail and can push out smoothly, structural design is reasonable, and nail body intensity is high, sews up the nail and removes the in-process stability good along outer syringe.
Drawings
FIG. 1 is a schematic view of the general structure of the present invention in assembled condition with a meniscal stapler;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention assembled with a meniscal stapler;
FIG. 3 is a perspective view of a first staple of the present invention;
FIG. 4 is a cross-sectional structural view of a first staple of the present invention;
FIG. 5 is a perspective view of a second staple of the present invention;
FIG. 6 is a front view of a second staple of the present invention;
the suturing device comprises a first suturing nail 1, a first implanting conical surface 101, a first dovetail groove 102, a first threading hole 103, a line accommodating groove 104, a second suturing nail 2, a second implanting conical surface 201, a second dovetail groove 202, a sliding groove 203, a second threading hole 204, a suturing line 3, a 4-meniscus suturing device, an outer needle tube 401, an accommodating groove 402 and an inner needle tube 403.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the embodiment shown in fig. 1-6, a meniscal staple comprises a first staple 1, a second staple 2 and a suture 3, wherein:
the front end of the first suturing nail 1 is provided with a first implanting conical surface 101, the rear end of the first suturing nail 1 is provided with a first dovetail groove 102, two first threading holes 103 are formed in the first suturing nail 1 at intervals in the front-back direction, the first threading holes 103 are formed in the up-down direction, and one ends of the two first threading holes 103 are communicated through a thread containing groove 104;
a second implanting conical surface 201 is arranged on the front end face of the second suturing nail 2, a second dovetail groove 202 is arranged at the rear end of the second suturing nail 2, sliding grooves 203 are formed in the front end face and the rear end face of the second suturing nail 2, and two second threading holes 204 which are through front and back are formed in the second suturing nail 2 above the sliding grooves 203 at intervals;
the suture line 3 connects the first suturing nail 1 and the second suturing nail 2 through the first threading hole 103 and the second threading hole 204;
the first suturing nail 1 and the second suturing nail 2 are arranged at the front end of an outer needle tube 401 of the meniscus suturing device 4 at intervals, an accommodating groove 402 communicated with the front end face of the outer needle tube 401 is formed in the front end of the side wall of the outer needle tube 401, the first suturing nail 1 is located at the front end of an inner cavity of the outer needle tube 401, the second suturing nail 2 is located behind the first suturing nail 1, a sliding groove 203 of the second suturing nail 2 is arranged on the accommodating groove 402 in a sliding mode, a second dovetail groove 202 is clamped at the rear end of the accommodating groove 402, and an inner needle tube 403 of the meniscus suturing device 4 is pressed between the second suturing nail 2 and the inner cavity of the outer needle tube 401; the front end of the inner needle tube 403 is of an elastic upwarping structure;
in an initial state, the second suturing nail 2 presses the inner needle tube 403, when the inner needle tube 403 is pushed forwards, the needle head of the inner needle tube 403 abuts against the first dovetail groove 102 of the first suturing nail 1 to push out the first suturing nail 1, implantation of the first suturing nail 1 is completed, after the first suturing nail 1 is pushed out, the inner needle tube 403 is retracted, due to the fact that the front end of the inner needle tube 403 is of an elastic upwarping structure, the front end of the inner needle tube 403 tilts up when returning to the rear side of the second suturing nail 2 and abuts against the second dovetail groove 202, when the second suturing nail 2 is pushed forwards, the sliding groove 203 of the second suturing nail 2 slides along the accommodating groove 402, and smooth movement is guaranteed; overall structure sets up rationally, and structural strength is high.
In this embodiment, the sliding groove 203 is disposed at the middle lower portion of the side surface of the second staple bolt 2, the sliding groove 203 is a V-shaped groove, the angle of the sliding groove 203 is 90 to 110 °, and the angle is reasonably set, so that the sliding groove 203 is ensured to be stable when sliding along the accommodating groove 402.
In the embodiment, the angles of the first dovetail groove 102 and the second dovetail groove 202 are both 50-70 degrees, and the angles are reasonably arranged to ensure that the first staple 1 and the second staple 2 can be accurately pushed.
The above embodiments are only specific examples of the present invention, and the scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention should fall within the scope of the present invention.
Claims (6)
1. The utility model provides a semilunar plate seam nail which characterized in that: including first staple, second staple and suture, wherein:
the front end of the first suturing nail is provided with a first implanting conical surface, the rear end of the first suturing nail is provided with a first dovetail groove, two first threading holes are formed in the first suturing nail at intervals from front to back, the first threading holes are formed in the vertical direction, and one ends of the two first threading holes are communicated through the thread accommodating groove;
the front end face of the second suturing nail is provided with a second implantation conical surface, the rear end of the second suturing nail is provided with a second dovetail groove, the front end face and the rear end face of the second suturing nail are both provided with sliding grooves, and two second threading holes which are communicated back and forth are formed in the second suturing nail above the sliding grooves at intervals;
the suture line connects the first suturing nail and the second suturing nail through the first threading hole and the second threading hole.
2. A meniscal suture nail as claimed in claim 1, wherein: the sliding groove is arranged at the middle lower part of the side surface of the second suturing nail.
3. A meniscal suture nail as claimed in claim 1, wherein: the sliding groove is a V-shaped groove, and the angle of the sliding groove is 90-110 degrees.
4. A meniscal suture nail as claimed in claim 1, wherein: the angles of the first dovetail groove and the second dovetail groove are 50-70 degrees.
5. A meniscal suture nail as claimed in claim 1, wherein: first sew up nail and second and sew up nail interval and set up in the outer needle tube front end of meniscus stitching instrument, the lateral wall front end of outer needle tube offer with the outer needle tube before the storage tank of terminal surface intercommunication, first sew up the nail and be located the front end of outer needle tube inner chamber, the second sews up the nail and is located the first rear that sews up the nail, the spout that the second sewed up the nail slides and sets up on the storage tank, the second dovetail card is in the rear end of storage tank, the inner needle tube pressure that the meniscus stitching instrument was sewed up to preceding meniscus stitching instrument of meniscus is between nail and outer needle tube inner chamber at the second.
6. A meniscal suture nail according to claim 5, wherein: the front end of the inner needle tube is of an elastic upwarping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220184837.6U CN217014125U (en) | 2022-01-24 | 2022-01-24 | Half-moon plate sewing nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220184837.6U CN217014125U (en) | 2022-01-24 | 2022-01-24 | Half-moon plate sewing nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217014125U true CN217014125U (en) | 2022-07-22 |
Family
ID=82449904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220184837.6U Active CN217014125U (en) | 2022-01-24 | 2022-01-24 | Half-moon plate sewing nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217014125U (en) |
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2022
- 2022-01-24 CN CN202220184837.6U patent/CN217014125U/en active Active
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| GR01 | Patent grant |