CN217244734U - Self-compression hollow headless compression screw - Google Patents
Self-compression hollow headless compression screw Download PDFInfo
- Publication number
- CN217244734U CN217244734U CN202123391344.4U CN202123391344U CN217244734U CN 217244734 U CN217244734 U CN 217244734U CN 202123391344 U CN202123391344 U CN 202123391344U CN 217244734 U CN217244734 U CN 217244734U
- Authority
- CN
- China
- Prior art keywords
- self
- rod end
- tapping
- screw
- wall
- 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.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a hollow headless forcing screw of autogenous compression relates to hollow headless forcing screw technical field, and is not good for solving current hollow headless forcing screw's result of use, can not be fine carry out exhaust problem to the bone fragment when using. The outer wall of self-tapping screw rod end is provided with self-tapping screw all around, the inside of self-tapping screw rod end outer wall is provided with chip groove one, the one end of self-tapping screw rod end is provided with self-tapping head, the other end of self-tapping screw rod end is provided with smooth terminal surface one, the one end of smooth terminal surface one is provided with intermediate junction pole, the inside of intermediate junction pole outer wall is provided with chip groove two, the one end of intermediate junction pole is provided with smooth terminal surface two, the one end of smooth terminal surface two is provided with the pressurization screw rod end, the outer wall of pressurization screw rod end is provided with the pressurization screw all around, the inside of pressurization screw rod end one end is provided with interior hexagonal slotted hole.
Description
Technical Field
The utility model relates to a hollow headless forcing screw technical field specifically is a hollow headless forcing screw of autogenous compression.
Background
People can inevitably have the damage in daily life, when the bone fracture appears, can use hollow headless forcing screw to connect the fracture department usually, can be convenient for fracture department like this and recover, prevent the condition that the bone necrosis appears after the bone fracture, and hollow headless forcing screw is a medical article of connecting the fracture department, can effectually connect the restoration to the fracture department.
However, the existing hollow headless compression screw has poor using effect, and bone fragments cannot be well discharged when the hollow headless compression screw is used, so that the use of the hollow headless compression screw is influenced, and therefore, an auto-compression hollow headless compression screw is urgently needed in the market to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hollow headless forcing screw of autogenous compression to the result of use of solving the current hollow headless forcing screw that proposes in the above-mentioned background art is not good, can not be fine when using discharge the bone bits, can influence the problem of hollow headless forcing screw's use like this.
In order to achieve the above object, the utility model provides a following technical scheme: an auto-compression hollow headless compression screw comprises a self-tapping thread rod end, self-tapping threads are arranged on the periphery of the outer wall of the self-tapping thread rod end, a first chip groove is formed in the outer wall of the self-tapping threaded rod end, a self-tapping head is arranged at one end of the self-tapping threaded rod end, the other end of the self-tapping screw rod end is provided with a first smooth end face, one end of the first smooth end face is provided with an intermediate connecting rod, the periphery of the outer wall of the middle connecting rod is provided with connecting threads, the inner part of the outer wall of the middle connecting rod is provided with a second chip groove, one end of the middle connecting rod is provided with a second smooth end face, one end of the second smooth end face is provided with a pressurizing threaded rod end, the outer wall of the pressurizing threaded rod end is provided with pressurizing threads all around, an inner hexagonal slotted hole is formed in the inner portion of one end of the pressurizing threaded rod end, and a hollow groove is formed in one end of the inner hexagonal slotted hole.
Preferably, self tapping screw thread and self tapping screw thread rod end structure as an organic whole, chip groove one is provided with three, three chip groove one distributes in proper order inside self tapping screw thread rod end outer wall.
Preferably, the self-tapping head and the self-tapping threaded rod end are of an integral structure.
Preferably, connecting thread and middle connecting rod structure as an organic whole, chip groove two is provided with three, three chip groove two distributes in proper order in the inside of middle connecting rod outer wall.
Preferably, the pressurizing screw thread and the pressurizing screw thread rod end are of an integral structure, and the outer diameter of the pressurizing screw thread rod end is gradually increased from the two ends of the smooth end face to the end of the inner hexagonal slotted hole.
Preferably, the self-tapping threaded rod end, the first smooth end face and the pressurizing threaded rod end are of an integral structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this kind of hollow headless forcing screw of autogenous compression is provided with chip groove one, smooth terminal surface one, chip groove two and smooth terminal surface two, the bone bits that produce when drilling that can be convenient through this kind of setting are discharged, avoid influencing the use of this kind of hollow headless forcing screw of autogenous compression, smooth terminal surface one and smooth terminal surface two through setting up can be fine deposit the bone bits of production, can avoid the barrier nature high like this, thereby influence the use of this kind of hollow headless forcing screw of autogenous compression.
2. This kind of hollow headless forcing screw of autogenous compression is provided with interior hexagonal slotted hole, and the condition of smooth silk appears in the condition that prevents that the interior hexagonal slotted hole through setting up can be fine, can make things convenient for quick taking out this kind of hollow headless forcing screw of autogenous compression through this kind of setting.
Drawings
FIG. 1 is an overall front view of the present invention;
fig. 2 is a partial perspective view of a self-tapping threaded rod end of the present invention;
fig. 3 is an overall plan view of the present invention.
In the figure: 1. a self-tapping threaded rod end; 101. a first chip groove; 2. self-tapping threads; 3. a tapping head; 4. a first smooth end face; 5. a middle connecting rod; 501. a second chip groove; 6. connecting threads; 7. a second smooth end face; 8. a pressurized threaded rod end; 801. an inner hexagonal slot; 802. a hollow groove; 9. the screw thread is pressurized.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a hollow headless forcing screw of autogenous compression, including self-tapping screw rod end 1, self-tapping screw rod end 1's outer wall is provided with self-tapping screw 2 all around, self-tapping screw rod end 1's inside of outer wall is provided with chip groove 101, self-tapping screw rod end 1's one end is provided with self-tapping head 3, self-tapping screw rod end 1's the other end is provided with smooth terminal surface 4, smooth terminal surface 4's one end is provided with intermediate junction pole 5, intermediate junction pole 5's outer wall is provided with connecting thread 6 all around, intermediate junction pole 5's inside of outer wall is provided with chip groove two 501, intermediate junction pole 5's one end is provided with smooth terminal surface two 7, the one end of smooth terminal surface two 7 is provided with forcing screw rod end 8, forcing screw rod end 8's outer wall is provided with forcing thread 9 all around, forcing screw rod end 8's inside is provided with interior hexagonal slotted hole 801, the one end of interior hexagonal slotted hole 801 is provided with cavity groove 802.
Further, self tapping screw thread 2 and self tapping screw thread rod end 1 structure as an organic whole, chip groove 101 is provided with three, and three chip grooves 101 distribute in proper order inside self tapping screw thread rod end 1 outer wall, can improve the fastness of self tapping screw thread 2 and self tapping screw thread rod end 1 direct structure, avoid self tapping screw thread 2 and the condition that self tapping screw thread rod end 1 takes place to drop gradually when using like this to cause the influence to the operation, the bone bits that produce when drilling through three chip grooves 101 that set up can be convenient are discharged.
Further, self tapping head 3 and self tapping screw rod end 1 structure as an organic whole can improve the fastness of structure between self tapping head 3 and the self tapping screw rod end 1, can make this kind of autogenous compression's hollow headless forcing screw use between can through the self tapping head 3 that sets up to reduce the step of operation.
Further, connecting thread 6 and middle connecting rod 5 structure as an organic whole, chip groove two 501 are provided with three, and three chip groove two 501 distribute in proper order in the inside of middle connecting rod 5 outer wall, can improve the fastness of structure between connecting thread 6 and the middle connecting rod 5, can be further discharge the bone fragment through the chip groove two 501 that set up.
Further, pressurization screw thread 9 and pressurization screw rod end 8 structure as an organic whole, the external diameter of pressurization screw rod end 8 increases gradually from two 7 ends of smooth terminal surface to hexagonal slotted hole 801 end, can improve the fastness of structure between pressurization screw thread 9 and the pressurization screw rod end 8, can pressurize between the skeleton of connecting through the pressurization screw rod end 8 that sets up, makes the linkage effect between the injured skeleton better.
Further, self tapping screw rod end 1, smooth terminal surface one 4 and pressurization screw rod end 8 structure as an organic whole, can improve the fastness of this kind of hollow headless forcing screw overall structure of autogenous compression, avoid the condition of rupture to appear at the in-process that uses of this kind of hollow headless forcing screw of autogenous compression to cause the influence to the operation, seriously influence patient's recovery like this.
The working principle is as follows: when in use, the self-compression hollow headless compression screw can be conveniently moved through the self-tapping screw rod end 1 and the inner hexagonal groove hole 801, so that injured bones can be conveniently connected, bone chips generated during drilling can be conveniently discharged through the first chip removal groove 101, the use of the self-compression hollow headless compression screw is prevented from being influenced, the generated bone chips can be well stored through the first smooth end face 4, the injured bones can be well connected and fixed through the middle connecting rod 5, the generated bone chips can be further removed through the second chip removal groove 501, the generated bone chips can be further stored through the first smooth end face 4, then the external environment of the compression screw rod end 8 is gradually increased through the compression screw rod end 8, like this can be fine pressurize between the injured skeleton, make and connect fixed effect better between the skeleton, the hexagon socket hole 801 that can make this kind of autogenous compression's hollow headless forcing screw very convenient when dismantling through setting up, dismantlement that can be quick.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a hollow headless forcing screw of autogenous compression, includes self-tapping screw rod end (1), its characterized in that: the self-tapping screw is characterized in that self-tapping threads (2) are arranged on the periphery of the outer wall of the self-tapping screw rod end (1), a first chip groove (101) is arranged inside the outer wall of the self-tapping screw rod end (1), a self-tapping head (3) is arranged at one end of the self-tapping screw rod end (1), a first smooth end face (4) is arranged at the other end of the self-tapping screw rod end (1), an intermediate connecting rod (5) is arranged at one end of the first smooth end face (4), connecting threads (6) are arranged on the periphery of the outer wall of the intermediate connecting rod (5), a second chip groove (501) is arranged inside the outer wall of the intermediate connecting rod (5), a second smooth end face (7) is arranged at one end of the intermediate connecting rod (5), a pressurizing screw rod end (8) is arranged at one end of the second smooth end face (7), and pressurizing threads (9) are arranged on the periphery of the outer wall of the pressurizing screw rod end (8), the inside of pressurization screw rod end (8) one end is provided with interior hexagonal slotted hole (801), the one end of interior hexagonal slotted hole (801) is provided with cavity groove (802).
2. The self-compressing, hollow headless compression screw as claimed in claim 1, wherein: self tapping screw thread (2) and self tapping screw thread rod end (1) structure as an organic whole, chip groove one (101) are provided with three, three chip groove one (101) distribute in proper order inside self tapping screw thread rod end (1) outer wall.
3. The self-compressing, hollow headless compression screw as claimed in claim 1, wherein: the self-tapping head (3) and the self-tapping threaded rod end (1) are of an integral structure.
4. The self-compressing, hollow headless compression screw as claimed in claim 1, wherein: connecting thread (6) and intermediate junction pole (5) structure as an organic whole, chip groove two (501) are provided with three, three chip groove two (501) distribute in proper order in the inside of intermediate junction pole (5) outer wall.
5. The self-compressing, hollow headless compression screw as claimed in claim 1, wherein: the pressurizing screw thread (9) and the pressurizing screw thread rod end (8) are of an integral structure, and the outer diameter of the pressurizing screw thread rod end (8) is gradually increased from the end of the second smooth end face (7) to the end of the inner hexagonal groove hole (801).
6. The self-compressing, hollow headless compression screw as claimed in claim 1, wherein: the self-tapping threaded rod end (1), the smooth end face I (4) and the pressurizing threaded rod end (8) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123391344.4U CN217244734U (en) | 2021-12-30 | 2021-12-30 | Self-compression hollow headless compression screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123391344.4U CN217244734U (en) | 2021-12-30 | 2021-12-30 | Self-compression hollow headless compression screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217244734U true CN217244734U (en) | 2022-08-23 |
Family
ID=82890891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123391344.4U Active CN217244734U (en) | 2021-12-30 | 2021-12-30 | Self-compression hollow headless compression screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217244734U (en) |
-
2021
- 2021-12-30 CN CN202123391344.4U patent/CN217244734U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209186913U (en) | A kind of fracture Minimally Invasive Surgery bone-knitting device | |
| CN104546100A (en) | Dynamic compression locking plate for treatment of femoral neck fracture | |
| CN217244734U (en) | Self-compression hollow headless compression screw | |
| CN210019595U (en) | Intramedullary nail for femur | |
| CN205019148U (en) | Bone screw of screw in fast | |
| CN206621432U (en) | A kind of self-aggressive dental implant | |
| CN206508024U (en) | Fracture of condylar process setting tool | |
| CN205411365U (en) | Bury type base station | |
| CN2467067Y (en) | Fracture mono cortex multi-point internal fixer | |
| CN203576616U (en) | Proximal femur locking and compressing plate | |
| CN208808629U (en) | Inside T shape lock steel plate after proximal tibia | |
| CN212879542U (en) | Disposable expansion type screw extractor | |
| CN212490111U (en) | Threaded ball head bone round needle | |
| CN201847753U (en) | Self-drilling traction screw | |
| CN213075878U (en) | Bone screw for orthopedics department | |
| CN217611337U (en) | Orthopangry jaw surgery cuts bone chin shaping fixed titanium nail | |
| CN217219172U (en) | Internal thread forcing screw device | |
| CN205433876U (en) | Smooth silk screw of orthopedics takes out instrument | |
| CN210130912U (en) | Steel plate auxiliary device for increasing internal fixation strength of fracture | |
| CN217162180U (en) | Retractor for soft tissue at greater trochanter of hip joint replacement | |
| CN215349619U (en) | Oral cavity tool | |
| CN217886184U (en) | Orthopedic intra-vascular fixing bolt taking-out device | |
| CN211883989U (en) | Proximal femur intramedullary and extramedullary combined fixing structure | |
| CN108703796A (en) | Explosion-proof compressive hollow screw without a head | |
| CN211796808U (en) | Medical science is pressure release screw for orthopedics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |