CN208756132U - A kind of minimally invasive spine surgical is fixed to cross nail with porous - Google Patents
A kind of minimally invasive spine surgical is fixed to cross nail with porous Download PDFInfo
- Publication number
- CN208756132U CN208756132U CN201820182844.6U CN201820182844U CN208756132U CN 208756132 U CN208756132 U CN 208756132U CN 201820182844 U CN201820182844 U CN 201820182844U CN 208756132 U CN208756132 U CN 208756132U
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- connecting rod
- fixed
- nail
- screw
- porous
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Abstract
It is fixed the utility model discloses a kind of minimally invasive spine surgical and crosses nail with porous, its structure includes screw hole, nut, connecting rod, drive block, screw rod, self tapping cone, screw rack, cross nail in right side, length adjustment device, mounting hole, the inner surface of length adjustment device is nested with connecting rod, length adjustment device includes outer casing, connecting plate, spring clip, fix bar link slot, card key, connect lever attachment hole, threaded rod, embedded groove, internal screw thread, fixed link, a kind of minimally invasive spine surgical of the utility model is fixed to cross nail with porous, structure is equipped with length adjustment device, length adjustment device is set at the right side of nut, during the length to connecting rod is adjusted, threaded rod rotation is driven by embedded groove, move left fixed link mutually, card key is pushed to two sides, make in fixed link insertion fix bar link slot, it realizes The problem of fine tuning to the length of connecting rod, the amplitude for avoiding the adjusting to connection pole length is excessive, to patient causes healthy hidden danger.
Description
Technical field
The utility model, which is that a kind of minimally invasive spine surgical is fixed, crosses nail with porous, belongs to the fixed neck of minimally invasive spine surgical
Domain.
Background technique
Fixation instrument currently used for backbone is interference screw, and structure is usually cylindrical screw；And it is used for backbone
Fixed instrument is relatively more, and there are commonly endbutton button steel plate, Rigid to cross nail；Current Rigid crosses nail
Poly-lactic acid material.
Prior art discloses application No. is a kind of the porous of: the 201510602415.0 degradable absorption of used in tissue engineering
The magnesium material compound bio factor crosses nail comprising ontology is cylindric or rhombogen magnesium alloy, the body part tool
There are several porous regions, for accommodating with promotion bone uptake or at the biotic factor of tendon differentiation, ontology one end is point
Sharp shape, but the prior art is excessive for the amplitude for connecting the adjusting of pole length, easily causes healthy hidden danger to patient.
Utility model content
In view of the deficienciess of the prior art, to be to provide a kind of minimally invasive spine surgical fixed with porous for the utility model aim
Nail is crossed, it is excessive for the amplitude for connecting the adjusting of pole length with the prior art of solution, healthy hidden danger easily is caused to patient
Problem.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of vertebral column minimally invasive hand
Art is fixed to cross nail with porous, and structure includes screw hole, nut, connecting rod, drive block, screw rod, self tapping cone, screw rack, right side
Cross nail, length adjustment device, mounting hole, the screw hole insertion is installed on the upper surface of nut, the connecting rod and nut
Inner surface is nested, and the right side of the drive block is mutually welded with the left side of connecting rod, the bottom of the screw rod and screw rod
Upper surface is integrated, and the bottom surface of the screw rod is connected with the upper surface that self tapping is bored, and the screw rack is set to connecting rod
Front, the right side crosses the right side that nail is set to screw rod, and inner surface and the connecting rod of the length adjustment device be nested, institute
State length adjustment device include outer casing, connecting plate, spring clip, fix bar link slot, card key, connection lever attachment hole, threaded rod,
It is mutually binded on the left of embedded groove, internal screw thread, fixed link, the left side of the connecting plate and the inner surface of outer casing, the spring clip
Upper surface be connected with the bottom surface of connecting plate, the inner surface of the fixed link and outer casing is nested, fixed link connection
Slot is set to the left side of outer casing, and the inner surface of the internal screw thread is meshed with the outer surface of threaded rod, the left and right of the internal screw thread
Both ends and the inner surface of outer casing mutually weld, and the embedded groove insertion is installed on the right side of threaded rod, a left side for the threaded rod
End face and the right side of fixed link are integrated, and the connection lever attachment hole is set to the center of outer casing inner surface.
Further, the connecting rod is nested and parallel with the inner surface of connection lever attachment hole.
Further, the right side of the drive block and the left side of connecting rod are mutually welded.
Further, the drive block is set to the left side that nail is crossed on right side.
Further, the diameter of the connecting rod is 3.5cm.
Further, the self tapping cone is pyramidal structure.
Further, the screw rack is made of stainless steel, and hardness is high and is not easy to get rusty.
Beneficial effect
A kind of minimally invasive spine surgical of the utility model is fixed to cross nail with porous, and structure is equipped with length adjustment device, long
It spends regulating device to be set at the right side of nut, during the length to connecting rod is adjusted, spiral shell is driven by embedded groove
Rasp bar rotation, moves left fixed link mutually, and card key is pushed to two sides, makes to realize in fixed link insertion fix bar link slot
Fine tuning to the length of connecting rod, the amplitude for avoiding the adjusting to connection pole length is excessive, causes healthy hidden danger to patient
Problem.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of fixed porous structural schematic diagram for crossing nail of minimally invasive spine surgical of the utility model；
Fig. 2 is a kind of the schematic diagram of the section structure of length adjustment device of the utility model.
In figure: screw hole -1, nut -2, connecting rod -3, drive block -4, screw rod -5, self tapping cone -6, screw rack -7, right side are horizontal
Drift bolt -8, length adjustment device -9, mounting hole -10, outer casing -901, connecting plate -902, spring clip -903, fixed link connection
Slot -904, card key -905, connection lever attachment hole -906, threaded rod -907, embedded groove -908, internal screw thread -909, fixed link -
9010。
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Please refer to Fig. 1, Fig. 2, the utility model provides that a kind of minimally invasive spine surgical is fixed to cross nail technical solution with porous:
Its structure includes screw hole 1, nut 2, connecting rod 3, drive block 4, screw rod 5, self tapping bores 6, screw rack 7, nail 8, length are crossed in right side
Regulating device 9, mounting hole 10, the screw hole 1 are embedded in the upper surface for being installed on nut 2, the interior table of the connecting rod 3 and nut 2
Face is nested, and the right side of the drive block 4 is mutually welded with the left side of connecting rod 3, bottom and the screw rod 5 of the screw rod 5
Upper surface is integrated, and the bottom surface of the screw rod 5 is connected with the upper surface of self tapping cone 6, and the screw rack 7 is set to connection
The right side that nail 8 is set to screw rod 5, inner surface and 3 phase of connecting rod of the length adjustment device 9 are crossed in the front of bar 3, the right side
Nesting, the length adjustment device 9 include outer casing 901, connecting plate 902, spring clip 903, fix bar link slot 904, card key
905, lever attachment hole 906, threaded rod 907, embedded groove 908, internal screw thread 909, fixed link 9010 are connected, the connecting plate 902
It is mutually binded on the left of left side and the inner surface of outer casing 901, the upper surface of the spring clip 903 and the bottom surface phase of connecting plate 902
Connection, the fixed link 9010 and the inner surface of outer casing 901 are nested, and the fix bar link slot 904 is set to outer casing 901
Left side, the inner surface of the internal screw thread 909 is meshed with the outer surface of threaded rod 907, the left and right ends of the internal screw thread 909
It is mutually welded with the inner surface of outer casing 901, the embedded groove 908 is embedded in the right side for being installed on threaded rod 907, the threaded rod
907 left side and the right side of fixed link 9010 are integrated, and the connection lever attachment hole 906 is set to outer casing 901
The center of inner surface, the connecting rod 3 are nested and parallel with the inner surface of connection lever attachment hole 906, the drive block 4
Right side and the left side of connecting rod 3 are mutually welded, and the drive block 4 is set to the left side that nail 8 is crossed on right side, the connecting rod 3
Diameter is 3.5cm, and the self tapping cone 6 is pyramidal structure, and the screw rack 7 is made of stainless steel, and hardness is high and is not easy to get rusty.
5 outer surface of screw rod described in this patent cuts with the cylinder of helicla flute or cuts with the circular cone of Conical Spiral Groove, screw rod
With different heads, as the head in picture is outer-hexagonal screw rod, there are also other, such as big flat screw rod, hexagon socket head cap screw etc., institute
State spring clip 903 be it is a kind of utilize elasticity come work machine components.The part made of elastic material is sent out under external force
Raw deformation restores to the original state again after removing external force, is generally made of spring steel.
Carry out using when can by length adjustment device 9 be set to nut 2 right side at, the length to connecting rod 3 into
During row is adjusted, drives threaded rod 907 to rotate by embedded groove 908, move left 9010 phase of fixed link, card key 905
It is pushed to two sides, is embedded in fixed link 9010 in fix bar link slot 904, realizes the fine tuning of the length to connecting rod 3, avoid
It is excessive to the amplitude of the adjusting of connection pole length, the problem of healthy hidden danger is caused to patient.
The amplitude that the utility model solves adjusting of the prior art for connection pole length is excessive, easily causes health to patient
The problem of hidden danger, the utility model are combined with each other by above-mentioned component, and structure is equipped with length adjustment device, length adjustment dress
It is arranged at the right side of nut, during the length to connecting rod is adjusted, threaded rod rotation is driven by embedded groove,
It moves left fixed link mutually, card key is pushed to two sides, make to realize in fixed link insertion fix bar link slot to connecting rod
The problem of fine tuning of length, the amplitude for avoiding the adjusting to connection pole length is excessive, causes healthy hidden danger to patient.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of minimally invasive spine surgical is fixed to cross nail with porous, it is characterised in that: its structure include screw hole (1), nut (2),
Nail (8), length adjustment device are crossed in connecting rod (3), drive block (4), screw rod (5), self tapping cone (6), screw rack (7), right side
(9), mounting hole (10), the screw hole (1) insertion are installed on the upper surface of nut (2), the connecting rod (3) and nut (2)
Inner surface is nested, and the right side of the drive block (4) and the left side of connecting rod (3) are mutually welded, the bottom of the screw rod (5)
It is integrated with the upper surface of screw rod (5), the bottom surface of the screw rod (5) is connected with the upper surface of self tapping cone (6), described
Screw rack (7) is set to the front of connecting rod (3), and the right side that nail (8) are set to screw rod (5), the length adjustment are crossed in the right side
The inner surface of device (9) is nested with connecting rod (3), and the length adjustment device (9) includes outer casing (901), connecting plate
(902), spring clip (903), fix bar link slot (904), card key (905), connection lever attachment hole (906), threaded rod (907),
Embedded groove (908), internal screw thread (909), fixed link (9010), the left side of the connecting plate (902) are interior with outer casing (901)
It is mutually binded on the left of surface, the upper surface of the spring clip (903) is connected with the bottom surface of connecting plate (902), the fixed link
(9010) inner surface with outer casing (901) is nested, and the fix bar link slot (904) is set to the left side of outer casing (901),
The inner surface of the internal screw thread (909) is meshed with the outer surface of threaded rod (907), the left and right ends of the internal screw thread (909)
It is mutually welded with the inner surface of outer casing (901), embedded groove (908) insertion is installed on the right side of threaded rod (907), described
The left side of threaded rod (907) and the right side of fixed link (9010) are integrated, and the connection lever attachment hole (906) sets
In the center of outer casing (901) inner surface.
2. a kind of minimally invasive spine surgical according to claim 1 is fixed to cross nail with porous, it is characterised in that: the connection
Bar (3) is nested and parallel with the inner surface of connection lever attachment hole (906).
3. a kind of minimally invasive spine surgical according to claim 1 is fixed to cross nail with porous, it is characterised in that: the transmission
The right side of block (4) and the left side of connecting rod (3) are mutually welded.
4. a kind of minimally invasive spine surgical according to claim 1 is fixed to cross nail with porous, it is characterised in that: the transmission
Block (4) is set to the left side that nail (8) are crossed on right side.
5. a kind of minimally invasive spine surgical according to claim 1 is fixed to cross nail with porous, it is characterised in that: the connection
The diameter of bar (3) is 3.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182844.6U CN208756132U (en) | 2018-02-02 | 2018-02-02 | A kind of minimally invasive spine surgical is fixed to cross nail with porous |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182844.6U CN208756132U (en) | 2018-02-02 | 2018-02-02 | A kind of minimally invasive spine surgical is fixed to cross nail with porous |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208756132U true CN208756132U (en) | 2019-04-19 |
Family
ID=66124591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820182844.6U Expired - Fee Related CN208756132U (en) | 2018-02-02 | 2018-02-02 | A kind of minimally invasive spine surgical is fixed to cross nail with porous |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208756132U (en) |
-
2018
- 2018-02-02 CN CN201820182844.6U patent/CN208756132U/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: 20190419 Termination date: 20200202 |