CN208640863U - A kind of short-tail pedicle screw - Google Patents
A kind of short-tail pedicle screw Download PDFInfo
- Publication number
- CN208640863U CN208640863U CN201721573327.3U CN201721573327U CN208640863U CN 208640863 U CN208640863 U CN 208640863U CN 201721573327 U CN201721573327 U CN 201721573327U CN 208640863 U CN208640863 U CN 208640863U
- Authority
- CN
- China
- Prior art keywords
- tail
- fixed
- block
- link
- short
- 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.)
- Expired - Fee Related
Links
Landscapes
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a kind of short-tail pedicle screws, including tail fixed block, one end of the tail fixed block is equipped with link block, the link block is fixedly connected with transiting rod far from one end of tail fixed block, the transiting rod is fixedly connected with fixed link far from one end of link block, the fixed link is equipped with nail tip far from one end of transiting rod, it is offered jointly in the fixed link and nail tip and agrees with slot, the tail fixed block offers fixing groove far from one end of link block, the two sides of the fixing groove form two fixed plates, the lateral wall of two fixed plate opposite side is symmetrically opened up there are two side fixation hole, side fixation hole is offered on the side wall of two fixed plate two sides.The utility model structure is round and smooth, ingenious in design, has abandoned the unicity and simple and crude property of conventional pedicle screws, so that screw is more in line with organization of human body provided with multiple hole slots, improve the overall performance of pedicle screw, be worthy to be popularized.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of short-tail pedicle screws.
Background technique
Medical instrument refers to instrument, equipment, utensil, external diagnosis reagent and the calibration for being directly or indirectly used for human body
Object, material and other similar or relevant article, including required computer software, the purpose is to the diagnosis of disease,
Prevention, monitoring, treatment are alleviated；Diagnosis, monitoring, treatment, alleviation or the function compensation of damage；Physiological structure or physiology
Inspection, substitution, adjusting or the support of process；The support or maintenance of life；Gestation control；By to the sample from human body
It is checked, provides information for medical treatment or diagnostic purpose.
Pedicle screw is relatively common in operation on vertebra, and effect is to be connected and fixed two or more vertebras, to ridge
The vertebra of vertebra patient plays the effects of fixing, restoring height, is orthopedic.Existing vertebral pedicle bolt structure is relatively simple, in fixation
Effect is not ideal enough after the completion, needs to make this improvement.
Utility model content
Purpose of the utility model is to solve vertebral pedicle bolt structure in the prior art is simple, effect is poor to be asked
Topic, and a kind of short-tail pedicle screw proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of short-tail pedicle screw, including tail fixed block, one end of the tail fixed block are equipped with link block, the company
It connects block and is fixedly connected with transiting rod far from one end of tail fixed block, the transiting rod is fixedly connected with far from one end of link block
Fixed pole, the fixed link are equipped with nail tip far from one end of transiting rod, offer jointly in the fixed link and nail tip and agree with slot, institute
It states tail fixed block and offers fixing groove far from one end of link block, the two sides of the fixing groove form two fixed plates, two institutes
The lateral wall for stating fixed plate opposite side is symmetrically opened up there are two side fixation hole, is opened on the side wall of two fixed plate two sides
Equipped with side fixation hole, arc groove is offered on the side wall of two fixed plate opposite sides.
Preferably, internal screw thread is offered on the inner sidewall of two arc grooves, is opened on the lateral wall of the transiting rod
Equipped with the first external screw thread, the second external screw thread is offered on the lateral wall of the fixed link.
Preferably, the surface roughness of the tail fixed block, link block, transiting rod and fixed link is respectively less than 0.8, the contract
Close slot, fixing groove, side fixation hole, side fixation hole, arc groove, internal screw thread, the first external screw thread and the second externally threaded rough surface
Degree is respectively less than 3.2.
Preferably, the surface Vickers hardness of the tail fixed block, link block, transiting rod and fixed link is all larger than or is equal to
260。
Preferably, the edges and corners of the tail fixed block, which are polished, smooth fillet, between the link block and tail fixed block
Polishing has smooth fillet.
Preferably, the described first externally threaded screw pitch is the half of the second external screw thread screw pitch.
In the utility model, nail tip is inserted on two vertebras by user, and be tightened bar, and two vertebras is made to be fixed on one
It rises, side fixation hole, side fixation hole and fixing groove are convenient for for screw connecting with other fixing pieces.The utility model structure is round and smooth, if
It counts ingenious, has abandoned the unicity and simple and crude property of conventional pedicle screws, so that screw is more in line with human body provided with multiple hole slots
Structure improves the overall performance of pedicle screw, is worthy to be popularized.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of short-tail pedicle screw positive overall structure diagram；
Fig. 2 be the utility model proposes a kind of short-tail pedicle screw part-structure bottom view；
Fig. 3 be the utility model proposes a kind of short-tail pedicle screw left side view；
Fig. 4 be the utility model proposes a kind of short-tail pedicle screw part A structure enlarged drawing；
Fig. 5 be the utility model proposes a kind of short-tail pedicle screw part B structure enlarged drawing；
Fig. 6 be the utility model proposes a kind of short-tail pedicle screw C portion structure enlarged drawing.
In figure: 1 tail fixed block, 2 link blocks, 3 transiting rods, 4 fixed links, 5 nail tips, 6 agree with slot, 7 fixing grooves, 8 fixed plates,
9 side fixation holes, 10 side fixation holes, 11 arc grooves, 12 internal screw threads, 13 first external screw threads, 14 second external screw threads.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-6, a kind of short-tail pedicle screw, including tail fixed block 1, one end of tail fixed block 1 are equipped with connection
Block 2, link block 2 are fixedly connected with transiting rod 3 far from one end of tail fixed block 1, and transiting rod 3 is fixed far from one end of link block 2
It is connected with fixed link 4, fixed link 4 is equipped with nail tip 5 far from one end of transiting rod 3, offers contract jointly in fixed link 4 and nail tip 5
Slot 6 is closed, tail fixed block 1 offers fixing groove 7 far from one end of link block 2, and the two sides of fixing groove 7 form two fixed plates 8, and two
The lateral wall of a 8 opposite side of fixed plate is symmetrically opened up there are two side fixation hole 9, is opened on the side wall of two 8 two sides of fixed plate
Equipped with side fixation hole 10, arc groove 11 is offered on the side wall of two 8 opposite sides of fixed plate.
In the utility model, internal screw thread 12 is offered on the inner sidewall of two arc grooves 11, on the lateral wall of transiting rod 3
The first external screw thread 13 is offered, the second external screw thread 14, tail fixed block 1, link block 2, transition are offered on the lateral wall of fixed link 4
The surface roughness of bar 3 and fixed link 4 is respectively less than 0.8, agrees with slot 6, fixing groove 7, side fixation hole 9, side fixation hole 10, arc groove
11, the surface roughness of internal screw thread 12, the first external screw thread 13 and the second external screw thread 14 is respectively less than 3.2, tail fixed block 1, link block
2, the surface Vickers hardness of transiting rod 3 and fixed link 4 is all larger than or is equal to (being not less than) 260, the edges and corners of tail fixed block 1
Polishing has smooth fillet, and equally polishing has smooth fillet, the screw pitch of the first external screw thread 13 between link block 2 and tail fixed block 1
It is the half of 14 screw pitch of the second external screw thread.
In the utility model, nail tip 5 is inserted on two vertebras by user, and be tightened bar 4, is fixed on two vertebras
Together, side fixation hole 9, side fixation hole 10 and fixing groove 7 are convenient for for screw connecting with other fixing pieces.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of short-tail pedicle screw, including tail fixed block (1), it is characterised in that: install one end of the tail fixed block (1)
Have link block (2), the link block (2) is fixedly connected with transiting rod (3), the transiting rod far from the one end of tail fixed block (1)
(3) one end far from link block (2) is fixedly connected with fixed link (4), and the fixed link (4) sets far from the one end of transiting rod (3)
Have nail tip (5), offer and agree with slot (6) jointly on the fixed link (4) and nail tip (5), the tail fixed block (1) is far from connection
One end of block (2) offers fixing groove (7), and the two sides of the fixing groove (7) form two fixed plates (8), two fixations
The lateral wall of plate (8) opposite side is symmetrically opened up there are two side fixation hole (9), on the side wall of two fixed plate (8) two sides
It offers side fixation hole (10), offers arc groove (11) on the side wall of two fixed plate (8) opposite sides.
2. a kind of short-tail pedicle screw according to claim 1, it is characterised in that: two arc grooves (11) it is interior
It is offered on side wall internal screw thread (12), offers the first external screw thread (13), the fixation on the lateral wall of the transiting rod (3)
The second external screw thread (14) are offered on the lateral wall of bar (4).
3. a kind of short-tail pedicle screw according to claim 1, it is characterised in that: the tail fixed block (1), link block
(2), the surface roughness of transiting rod (3) and fixed link (4) is respectively less than 0.8, it is described agree with slot (6), fixing groove (7), side are fixed
Hole (9), side fixation hole (10), arc groove (11), internal screw thread (12), the first external screw thread (13) and the second external screw thread (14) surface
Roughness is respectively less than 3.2.
4. a kind of short-tail pedicle screw according to claim 1, it is characterised in that: the tail fixed block (1), link block
(2), the surface Vickers hardness of transiting rod (3) and fixed link (4) is all larger than or is equal to 260.
5. a kind of short-tail pedicle screw according to claim 1, it is characterised in that: the corner angle of the tail fixed block (1)
Place's polishing has smooth fillet, and polishing has smooth fillet between the link block (2) and tail fixed block (1).
6. a kind of short-tail pedicle screw according to claim 2, it is characterised in that: the spiral shell of first external screw thread (13)
Away from the half for being the second external screw thread (14) screw pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573327.3U CN208640863U (en) | 2017-11-22 | 2017-11-22 | A kind of short-tail pedicle screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573327.3U CN208640863U (en) | 2017-11-22 | 2017-11-22 | A kind of short-tail pedicle screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208640863U true CN208640863U (en) | 2019-03-26 |
Family
ID=65770475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721573327.3U Expired - Fee Related CN208640863U (en) | 2017-11-22 | 2017-11-22 | A kind of short-tail pedicle screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208640863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112263314A (en) * | 2020-09-28 | 2021-01-26 | 西安增材制造国家研究院有限公司 | Resetting and fixing device for atlantoaxial dislocation |
-
2017
- 2017-11-22 CN CN201721573327.3U patent/CN208640863U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112263314A (en) * | 2020-09-28 | 2021-01-26 | 西安增材制造国家研究院有限公司 | Resetting and fixing device for atlantoaxial dislocation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108670399A (en) | The universal unidirectional unification pedicle of vertebral arch screw of vertebral column minimally invasive nails on nail system | |
| CN104287819A (en) | Medical pedicle screw component with telescopic double thread and capable of resisting pullout | |
| CN208640863U (en) | A kind of short-tail pedicle screw | |
| WO2016150352A1 (en) | Low-profile pedicle screw with adjustment control function | |
| CN208876714U (en) | A kind of minimally invasive pedicle nail of soft tail | |
| CN204765887U (en) | Hollow rivet | |
| CN203815664U (en) | Inelastic and elastic combined intervertebral support device | |
| CN208625834U (en) | A kind of adjustable double flute internal fixation device of spine and bone screws | |
| CN205339095U (en) | Novel universal screw of short -tail | |
| CN209450643U (en) | A kind of anticreep pedicle nail | |
| CN109549696A (en) | A kind of adjustable double flute internal fixation device of spine and bone screws | |
| CN211484858U (en) | Special-shaped block at distal end of tibia | |
| CN204931827U (en) | Anatomical form pedicle screw | |
| CN208974092U (en) | A kind of adaptable operation electrotome pen | |
| WO2016150351A1 (en) | Self-adaptable pediculate screw | |
| CN210811451U (en) | Degradable magnesium alloy bone fixing screw | |
| CN208958305U (en) | A kind of novel fracture reduction tongs for orthopedics department | |
| CN204169918U (en) | The pedicle screw assemblies that the two screw thread of a kind of Medical flexible, resistance to plucking go out | |
| CN203042415U (en) | Bone fracture plate for ribs | |
| CN208659522U (en) | A kind of combined type backbone connector | |
| CN205626071U (en) | Hollow rivet | |
| CN207734210U (en) | A kind of vertebral column internal fixation nail stick device | |
| CN106806010A (en) | Thoracic and lumbar vertebral posterior fine motion fixed system | |
| CN209629793U (en) | Pitman wears rod bracket and spine nail bar device | |
| CN109908458A (en) | Anorectal surgery expander |
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: 20190326 Termination date: 20201122 |