CN209186915U - A kind of orthopaedics combined hollow spike devices - Google Patents
A kind of orthopaedics combined hollow spike devices Download PDFInfo
- Publication number
- CN209186915U CN209186915U CN201820638451.1U CN201820638451U CN209186915U CN 209186915 U CN209186915 U CN 209186915U CN 201820638451 U CN201820638451 U CN 201820638451U CN 209186915 U CN209186915 U CN 209186915U
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- CN
- China
- Prior art keywords
- nail
- hollow
- rivet nut
- internal recessing
- real
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Abstract
The utility model relates to orthopedic medical device technical fields, more particularly to a kind of orthopaedics combined hollow spike devices, including hollow nail and real nail；Hollow nail front is equipped with several mouths that split；Upper internal recessing and lower internal recessing are equipped with inside the head of a nail；The hollow cavity rear inside wall of hollow nail is equipped with hollow cavity screw thread；Rear portion is equipped with rivet nut screw thread in real nail rivet nut, and rivet nut screw thread is adapted setting with hollow cavity screw thread.The application hollow nail front end because several mouths that split setting so that hollow nail front end is sharper, it is easier to be inserted into skeletal tissue；The combination configuration followed closely in fact uses, so that the fixation of hollow nail is stronger；In disassembly process, first real nail is taken out among hollow nail；The support that hollow nail front end is not followed closely in fact mutually can become to loosen than before, so that disassembly hollow nail work is more easy；It is interspersed for two layers of internal recessing on the head of a nail of hollow nail rear end, forced area is big, effectively prevent skidding, and reduces light patient's secondary damage, is conducive to conditions of patients and restores.
Description
Technical field
The utility model relates to orthopedic medical device technical fields, more particularly to a kind of orthopaedics combined hollow spike devices.
Background technique
Nowadays because of reasons such as traffic accident, contingencies, incidence of fracture is constantly improved.It fractures, needs for treatment
The both ends of fracture are fixedly connected by hollow nail, to play firm effect, after the completion of bone docking, are carrying out sky
Heart nail is removed.The structure of existing hollow nail is one end stress in fixation procedure by fixed function, and close to the one of the head of a nail
Pairing is completed by the pressure of the head of a nail in end, and when use is difficultly painstaking.It needs to remove hollow nail after postoperative a period of time.Existing sky
In the disassembly process of heart nail, the head of a nail structure of existing hollow nail is relatively simple, it is easy to which there is a situation where stripped threads, cause hollow
Nail dismounting is not smooth, increases and removes the time；Will lead to hollow nail during bone restoration ecosystem simultaneously has minute movement, increases
Dismounting difficulty, it is serious certain damage may be caused to bone.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of orthopaedics combined hollow
Spike devices, the orthopaedics combined hollow spike devices are easy to use in bone-operating, fixation, and disassembly is easy.
It is for technical solution used by realization the purpose of this utility model: a kind of orthopaedics combined hollow spike devices, including
Hollow nail and real nail；The hollow nail rivet nut in hollow structure and the head of a nail that rivet nut rear end is set；The hollow structure of rivet nut
For hollow cavity；Hollow nail rivet nut front is provided with thread segment；If the rivet nut that the front of hollow nail is equipped with thread segment is equipped with
Dry and cracked opening；Be equipped with through-hole corresponding with hollow cavity in rivet nut in the middle part of the head of a nail, hole size and hollow cavity it is transversal
Size is identical；Internal recessing is equipped with inside the head of a nail；Internal recessing includes upper internal recessing and lower internal recessing；Upper internal recessing is located at the head of a nail
Central rear, lower internal recessing are located at head of a nail central anterior；Upper internal recessing and lower internal recessing through connection, the two and rivet nut it is hollow
Chamber is all arranged concentrically；Upper internal recessing slot bottom area is greater than lower internal recessing slot bottom area；The cross section of the hollow cavity of hollow nail rivet nut
Product is less than the slot bottom area of lower internal recessing；The hollow cavity rear inside wall of hollow nail is equipped with hollow cavity screw thread；The reality, which is followed closely, includes
Real nail rivet nut and the real nail head of a nail that real nail rivet nut rear end is set；Real nail rivet nut length is identical as hollow nail rivet nut length；Real nail
Rivet nut is cylinder, which is adapted setting with the hollow cavity of hollow nail, and real nail rivet nut is enabled to penetrate hollow nail
In hollow cavity；Rear portion is equipped with rivet nut screw thread in real nail rivet nut, and rivet nut screw thread is adapted setting with hollow cavity screw thread.
Preferably, the internal recessing in interior hexagon or blossom type or is in cross recess.
Further, the interlaced setting of shape in the slot of the upper internal recessing and lower internal recessing.
The beneficial effects of the utility model are: a kind of orthopaedics combined hollow spike devices, structure are simple；It is empty in use process
The heart follows closely front end because of the setting of several mouths that split, so that hollow nail front end is sharper, it is easier to be inserted into skeletal tissue；The group followed closely in fact
It closes configuration to use, so that the fixation of hollow nail is stronger；In disassembly process, first real nail is taken out among hollow nail；It is empty
The support that heart nail front end is not followed closely in fact mutually can become to loosen than before, so that disassembly hollow nail work is more easy；After hollow nail
It is interspersed for two layers of internal recessing on the head of a nail at end, forced area is big, effectively prevent skidding, and reduces light patient's secondary damage, is conducive to
Conditions of patients restores.The application device provides good medical effect for bone treatment, has very big market value and warp
Ji value is conducive to promote the use of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the combined hollow spike devices of the utility model.
Fig. 2 is the structural schematic diagram of the hollow nail of the utility model.
Fig. 3 is the schematic diagram of the section structure of the hollow nail of the utility model.
Fig. 4 is the overlooking structure diagram of the hollow nail of the utility model.
Fig. 5 is the structural schematic diagram followed closely in fact of the utility model.
In figure: 1. hollow nails, 2. rivet nuts, 3. heads of a nail, 4. hollow cavities, 5. thread segments, 6. split mouth, 7. through-holes, on 8. in
Grooving, 9. lower internal recessings, 10. hollow cavity screw threads, 11. real nails, 12. real nail rivet nuts, the 13. real nail heads of a nail, 14. rivet nut screw threads.
Specific embodiment
The utility model is described in further detail below in conjunction with specific embodiment.It should be appreciated that described herein
Specific embodiment is only used to explain the utility model, is not used to limit the utility model.
Fig. 1-5 display, a kind of orthopaedics combined hollow spike devices, including hollow nail 1 and real nail 11；During the hollow nail 1 is in
The rivet nut 2 of hollow structure and the head of a nail 3 that 2 rear end of rivet nut is set；The hollow structure of rivet nut 2 is hollow cavity 4；The hollow nail 1 is followed closely
2 front of body is provided with thread segment 5；The rivet nut 2 that the front of hollow nail 1 is equipped with thread segment 5 is equipped with several mouths 6 that split, and so sets
It sets, the front end of hollow nail 1 can fasten naturally, so that 1 front end of hollow nail is relatively narrow, when skeletal fixation, hollow nail 1 is probeed into bone
Portion is relatively easy to；Through-hole 7 corresponding with 4 body of hollow cavity in rivet nut 2,7 size of through-hole and hollow cavity are equipped in the middle part of the head of a nail 3
4 cross-sectional area size is identical；Internal recessing is equipped with inside the head of a nail 3；The internal recessing is in interior hexagon or blossom type or is in ten
Word slot；Internal recessing includes upper internal recessing 8 and lower internal recessing 9；Different groove profiles may be selected in the groove profile of upper internal recessing 8 and lower internal recessing 9,
The forced area for effectively increasing the matched screwdriver of hollow nail 1 prevents from skidding；After upper internal recessing 8 is located at 3 center of the head of a nail
Portion, lower internal recessing 9 are located at 3 central anterior of the head of a nail；Through connection, the two is hollow with rivet nut 2 for upper internal recessing 8 and lower internal recessing 9
Chamber 4 is all arranged concentrically；The interlaced setting of shape in the slot of the upper internal recessing 8 and lower internal recessing 9, further strengthening prevents from tearing open
It skids during unloading, disassembly process consolidates firm, it is not easy to cause secondary damage to patient；Upper 8 slot bottom area of internal recessing is greater than
Lower 9 slot bottom area of internal recessing；The cross-sectional area of the hollow cavity 4 of 1 rivet nut 2 of hollow nail is less than the slot bottom area of lower internal recessing 9；It is hollow
4 rear inside wall of hollow cavity of nail 1 is equipped with hollow cavity screw thread 10；The real nail 11 includes real nail rivet nut 12 and setting in nail nail in fact
The real nail head of a nail 13 of 12 rear end of body；Real nail 12 length of rivet nut is identical as hollow nail 1 rivet nut, 2 length；Real nail rivet nut 12 is cylinder,
The cylinder is adapted setting with the hollow cavity 4 of hollow nail 1, and real nail rivet nut 12 is enabled to penetrate the hollow cavity 4 of hollow nail 1
It is interior；Rear portion is equipped with rivet nut screw thread 14 in real nail rivet nut 12, and rivet nut screw thread 14 is adapted setting with hollow cavity screw thread 10.
It is needed at fixed bone site in use, being first placed in hollow nail 1, since 1 front end of hollow nail is split the setting of mouth 6
It sets, 1 front end of hollow nail fastens naturally makes its front end relatively narrow, and merging process is relatively easy to；Real nail 11 is passed through in hollow nail 1 again
Through-hole is inserted into the hollow cavity 4 of hollow nail 1.Due to the merging of real nail 11, so that 6 openings of sizes of mouth of splitting of 1 front end of hollow nail
Become larger, be placed in bone position can fix it is more secured.When needing to remove hollow nail 1, first real nail 11 is removed.No matter bone
How to develop, due to the protection of outer hollow nail 1, real nail 11, which is removed, to be relatively easy to.But after real nail 11 is removed, 1 front end of hollow nail
Split support of the mouth 6 without real nail 11 will natural shrinking again so that 1 front end of hollow nail becomes slightly to loosen so that
The dismounting work of hollow nail 1 becomes easy, it is not easy to generate broken nail situation.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (3)
1. a kind of orthopaedics combined hollow spike devices, including hollow nail (1) and real nail (11)；The hollow nail (1) is in hollow structure
Rivet nut (2) and setting rivet nut (2) rear end the head of a nail (3)；The hollow structure of rivet nut (2) is hollow cavity (4)；The hollow nail
(1) rivet nut (2) front is provided with thread segment (5)；It is characterized in that；The front of hollow nail (1) is equipped with the rivet nut of thread segment (5)
(2) several mouths that split (6) are equipped with；Through-hole corresponding with rivet nut (2) interior hollow cavity (4) body is equipped in the middle part of the head of a nail (3)
(7), through-hole (7) size is identical as the cross-sectional area size of hollow cavity (4)；Internal recessing is equipped with inside the head of a nail (3)；Internal recessing includes
Upper internal recessing (8) and lower internal recessing (9)；Upper internal recessing (8) is located at the head of a nail (3) central rear, and lower internal recessing (9) is located at the head of a nail
(3) central anterior；Through connection, the hollow cavity (4) of the two and rivet nut (2) is all concentric to be set for upper internal recessing (8) and lower internal recessing (9)
It sets；Upper internal recessing (8) slot bottom area is greater than lower internal recessing (9) slot bottom area；The cross of the hollow cavity (4) of hollow nail (1) rivet nut (2)
Sectional area is less than the slot bottom area of lower internal recessing (9)；Hollow cavity (4) rear inside wall of hollow nail (1) is equipped with hollow cavity screw thread
(10)；The real nail (11) includes the real nail head of a nail (13) of real nail rivet nut (12) and setting in nail rivet nut (12) rear end in fact；Real nail
Rivet nut (12) length is identical as hollow nail (1) rivet nut (2) length；Real nail rivet nut (12) is cylinder, the cylinder and hollow nail
(1) hollow cavity (4) is adapted setting, so that real nail rivet nut (12) can penetrate in the hollow cavity (4) of hollow nail (1)；Real nail
Rear portion is equipped with rivet nut screw thread (14) in rivet nut (12), and rivet nut screw thread (14) is adapted setting with hollow cavity screw thread (10).
2. orthopaedics combined hollow spike devices according to claim 1, which is characterized in that the internal recessing in interior hexagon,
Blossom type or be in cross recess.
3. orthopaedics combined hollow spike devices according to claim 1, which is characterized in that the upper internal recessing (8) and lower interior
The interlaced setting of shape in the slot of grooving (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638451.1U CN209186915U (en) | 2018-05-02 | 2018-05-02 | A kind of orthopaedics combined hollow spike devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638451.1U CN209186915U (en) | 2018-05-02 | 2018-05-02 | A kind of orthopaedics combined hollow spike devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209186915U true CN209186915U (en) | 2019-08-02 |
Family
ID=67404221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820638451.1U Expired - Fee Related CN209186915U (en) | 2018-05-02 | 2018-05-02 | A kind of orthopaedics combined hollow spike devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209186915U (en) |
-
2018
- 2018-05-02 CN CN201820638451.1U patent/CN209186915U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20200502 |