CN104490496B - TLIF (transforaminal lumbar interbody fusion) implanting apparatus - Google Patents
TLIF (transforaminal lumbar interbody fusion) implanting apparatus Download PDFInfo
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- CN104490496B CN104490496B CN201410683422.3A CN201410683422A CN104490496B CN 104490496 B CN104490496 B CN 104490496B CN 201410683422 A CN201410683422 A CN 201410683422A CN 104490496 B CN104490496 B CN 104490496B
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- club shaft
- rotation driving
- locking
- tlif
- support
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Abstract
The invention discloses a TLIF (transforaminal lumbar interbody fusion) implanting apparatus which comprises a locking lever and a rotation driving lever. The locking lever comprises a locking lever body, a locking portion and a handle portion, and a locking pillar matched with a TLIF locking hole is arranged at the front end of the locking lever body; the rotation driving lever is of a hollow structure and comprises a rotation driving lever body and a rotation portion, a tooth meshed with a tooth-shaped strip is arranged at the front end of the rotation driving lever body, and the rotation driving lever sleeves the locking lever body to be in clearance fit with the locking lever body. The TLIF implanting apparatus is fittingly used with a fusion apparatus, so the fusion apparatus can be reach the implant place directly, injuries to nerve roots and dural sacs are avoided, surgical steps are simplified, time for surgery is reduced, and pain of patients is lowered.
Description
Technical field
A kind of the present invention relates to medical instruments field, more particularly, it relates to TLIF implantation device.
Background technology
TLIF (Transforaminal Lumbar Interbody Fusion) refers between transforaminal approach lumbar vertebral body
Fusion.Due to being the midline incision entrance from patient back canalis spinalis more side, this art formula greatly reduces the flesh in operation
Quantity peeled off by meat, and TLIF can provide the support of front pillar and stablize, and rebuild the normal anatomy curvature of corresponding sections, thus tieing up
Hold or recover the overall physiological camber of lumbar vertebra.
And the fusion device and its implantation device currently used for TLIF operation can not make fusion device realize adjustable rotary, need in art
Reciprocally swinging implantation device, to make fusion device reach preferable implantation position.The reciprocally swinging of implantation device is easily to nerve root and hard
Membrane vesicle damages, and makes TLIF operation become more complicated.
Content of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of TLIF implantation device, join with fusion device
Close and use, make fusion device directly reach implantation position, it is to avoid the damage to nerve root and dural sac, simplify operating procedure, reduce
Operating time, reduces patient suffering.
For solving the above problems, the technical solution adopted in the present invention is as follows：
TLIF implantation device, including check lock lever and rotation driving bar, described check lock lever includes locking club shaft, tight lock part, handle
Portion, described check lock lever lever front end is provided with the locking post with the cooperation of TLIF fusion device locking hole；Described rotation driving bar is hollow
Structure, including rotation driving club shaft and rotating part, described rotation driving club shaft front end is provided with the tooth engaging with profile of tooth bar, institute
State rotation driving rod set and be connected on and coordinate with locking club shaft gap on locking club shaft.
Preferably, described locking post is provided with external screw thread.
Preferably, also include outer loop bar, described outer loop bar is hollow structure, including overcoat club shaft and support, overcoat
Rod set is connected on and is coordinated with rotation driving club shaft gap on rotation driving club shaft；It is provided with accommodation space inside described support,
The upper and lower surface of described accommodation space is plane, and in order to indicate the upper and lower surface of fusion device main body, described rotating part is arranged on accommodating
In space, with the cooperation of support gap.
Preferably, described overcoat club shaft front end is provided with circular arc indent, described circular arc indent and fusion device main body tail
Portion's circular arc matches.
Preferably, also include handle, described handle is socketed on overcoat club shaft, before support；Described handle
It is provided with spacer, described spacer is parallel with the upper and lower surface of support accommodation space.
Compared to existing technology, the beneficial effects of the present invention is：
1st, the implantation device of the present invention and the cooperation of TLIF fusion device, make fusion device can achieve and rotate in situ, reach expected implantation
Position, it is to avoid the damage to nerve root and dural sac, simplifies operating procedure, reduces operating time, reduces patient suffering；
2nd, on implantation device of the present invention, spacer is parallel with support side wall, can play positioning action to TLIF fusion device, keep away
Exempt from TLIF fusion device in operating process and tilt the impact to operation.
Brief description
Fig. 1 is TLIF fusion device structural representation；
Fig. 2 is TLIF fusion device agent structure schematic diagram；
Fig. 3 be TLIF fusion device in swinging strut pin hole non-through with run through structural representation；
Fig. 4 is backing pin structural representation in TLIF fusion device；
Fig. 5 is TLIF implantation device structural representation in the present invention；
Fig. 6 is check lock lever structural representation in the present invention；
Fig. 7 is rotation driving bar structural representation in the present invention；
Fig. 8 is China and foreign countries of the present invention loop bar structure schematic diagram；
Wherein, 1 be fusion device main body, 11 be profile of tooth bar, 2 be swinging strut, 21 be pin hole, 22 be locking hole, 3 be gear
Pin, 31 be pin cap, 32 be pin, 4 be backing pin hole, 5 be check lock lever, 501 be locking club shaft, 502 be locking post, 503 be lock
Tight portion, 504 be shank, 6 be rotation driving bar, 601 be rotation driving club shaft, 602 be rotating part, 7 be outer loop bar, 701 be
Overcoat club shaft, 702 be support, 703 be accommodation space, 8 be handle, 801 be spacer.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in further detail.
As Figure 1-4, it is TLIF fusion device, including fusion device main body 1, swinging strut 2 and backing pin 3,2 liang of swinging strut
End is provided with pin hole 21, and swinging strut 2 cylinder is provided perpendicular to the locking hole 22 in pin hole 21 direction, described fusion device
Main body 1 has the lower surface that the upper surface being contacted with top vertebral body is contacted with bottom vertebral body, and fusion device main body 1 afterbody is in circular arc,
It is provided with groove, backing pin 3 one end is fixed in fusion device main body 1, the other end and pin hole between the upper and lower surface of fusion device main body 1 afterbody
21 gap cooperations；The wall of described groove is provided with profile of tooth bar 11, profile of tooth bar 11 radially radial distribution centered on swinging strut 2.
As viewed in figures 5-8, it is implantation device, including check lock lever 5 and rotation driving bar 6, check lock lever 5 includes locking club shaft
501st, tight lock part 503, shank 504, locking club shaft 501 front end is provided with the locking post with TLIF fusion device locking hole 22 cooperation
502；Rotation driving bar 6 is hollow structure, including rotation driving club shaft 601 and rotating part 602, rotation driving club shaft 601
Front end is provided with the tooth engaging with profile of tooth bar 11, and rotation driving bar 6 is socketed on locking club shaft 501 and locks between club shaft 501
Gap coordinates.
Embodiment 1
TLIF fusion device, including fusion device main body 1, swinging strut 2 and backing pin 3, swinging strut 2 is polygon prism, rotation
Post 2 two ends are provided with pin hole 21, and swinging strut 2 cylinder is provided perpendicular to the locking hole 22 in pin hole 21 direction, merge
Device main body 1 has the lower surface that the upper surface being contacted with top vertebral body is contacted with bottom vertebral body, and fusion device main body 1 afterbody is in circular arc
Shape, fusion device main body 1 afterbody is provided with groove between upper and lower surface, is provided with backing pin hole 4 between described groove and the upper and lower surface of fusion device main body,
Backing pin 3 includes pin 32 and the pin cap 31 of integrative-structure, pin cap 31 and backing pin hole 4 interference fit, between pin 32 and pin hole 21
Gap coordinates；The wall of described groove is provided with profile of tooth bar 11, profile of tooth bar 11 radially radial distribution, profile of tooth centered on swinging strut 2
Bar 11 height is 0.8mm.
Implantation device, including check lock lever 5, rotation driving bar 6, outer loop bar 7 and handle 8, check lock lever 5 includes locking club shaft
501st, tight lock part 503, shank 504, locking club shaft 501 front end is provided with the locking post with TLIF fusion device locking hole 22 cooperation
502；Rotation driving bar 6 is hollow structure, including rotation driving club shaft 601 and rotating part 602, rotation driving club shaft 601
Front end is provided with the tooth engaging with profile of tooth bar 11, and rotation driving bar 6 is socketed on locking club shaft 501 and locks between club shaft 501
Gap coordinates；Outer loop bar 7 is hollow structure, and including overcoat club shaft 701 and support 702, outer loop bar 7 is socketed in rotation driving bar
Coordinate with rotation driving club shaft 601 gap on the body of rod 601；It is provided with accommodation space 703, accommodation space 703 inside support 702
Upper and lower surface is plane, and in order to indicate the upper and lower surface of fusion device main body 1, rotating part 602 is arranged in accommodation space 703, with
Support 702 gap coordinates；Handle 8 is socketed on overcoat club shaft 701, before support 702；Set on handle 8 side wall
There is spacer 801, spacer 801 is parallel with support 702 accommodation space 703 upper and lower surfaces.
Embodiment 2
TLIF fusion device, including fusion device main body 1, swinging strut 2 and backing pin 3, swinging strut 2 is cylinder, swinging strut 2
Two ends are provided with pin hole 21, and swinging strut 2 cylinder is provided perpendicular to the locking hole 22 in pin hole 21 direction, locking hole 22
Inside it is provided with female thread；Fusion device main body 1 has the lower surface that the upper surface being contacted with top vertebral body is contacted with bottom vertebral body, merges
Device main body 1 afterbody is in circular arc, and fusion device main body 1 afterbody is provided with groove between upper and lower surface, and described groove and fusion device main body are upper and lower
It is provided with backing pin hole 4, backing pin 3 includes pin 32 and the pin cap 31 of integrative-structure, pin cap 31 and backing pin hole 4 interference fit between surface,
Pin 32 and the cooperation of pin hole 21 gap；The wall of described groove is provided with profile of tooth bar 11, profile of tooth bar 11 footpath centered on swinging strut 2
To radial distribution, profile of tooth bar 11 height is 3mm.
Implantation device, including check lock lever 5, rotation driving bar 6, outer loop bar 7 and handle 8, check lock lever 5 includes locking club shaft
501st, tight lock part 503, shank 504, locking club shaft 501 front end is provided with the locking post with TLIF fusion device locking hole 22 cooperation
502, locking post 502 has been provided with external screw thread；Rotation driving bar 6 is hollow structure, including rotation driving club shaft 601 and rotation
Portion 602, rotation driving club shaft 601 front end is provided with the tooth engaging with profile of tooth bar 11, and rotation driving bar 6 is socketed in locking club shaft
With the cooperation of locking club shaft 501 gap on 501；Outer loop bar 7 is hollow structure, including overcoat club shaft 701 and support 702,
Outer loop bar 7 is socketed in and is coordinated with rotation driving club shaft 601 gap on rotation driving club shaft 601；It is provided with inside support 702
Accommodation space 703, the upper and lower surface of accommodation space 703 is plane, in order to indicate the upper and lower surface of fusion device main body 1, rotating part 602
It is arranged in accommodation space 703, with the cooperation of support 702 gap, overcoat club shaft 701 front end is provided with circular arc indent, described
Circular arc indent is matched with fusion device main body 1 afterbody circular arc；Handle 8 is socketed on overcoat club shaft 701, positioned at support
Before 702；Handle 8 side wall is provided with spacer 801, and spacer 801 is put down with the upper and lower surface of support 702 accommodation space 703
OK.
During use, implantation device check lock lever 5 is locked post 502 and is locked in TLIF fusion device swinging strut 2 locking hole 22, and
Adjustment implantation device and TLIF fusion device direction, make following table on spacer 801, the upper and lower surface of accommodation space 703 and TLIF fusion device
Face keeping parallelism, is then engaged with profile of tooth bar 11 using rotation driving club shaft 601 front end tooth, rotates rotating part 602, you can real
The rotation of existing TLIF fusion device horizontal direction.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various
Corresponding change and deformation, and all these change and deformation all should belong to the protection domain of the claims in the present invention
Within.
Claims (5)
- It is characterised in that including check lock lever (5) and rotation driving bar (6), described check lock lever (5) includes lock to 1.TLIF implantation device Tight club shaft (501), tight lock part (503), shank (504), described locking club shaft (501) front end is provided with and TLIF fusion device lock The locking post (502) that tieholen (22) coordinates；Described rotation driving bar (6) is hollow structure, including rotation driving club shaft (601) With rotating part (602), described rotation driving club shaft (601) front end is provided with the tooth engaging with profile of tooth bar (11), described rotation drive Lever (6) is socketed in locking club shaft (501) and is above coordinated with locking club shaft (501) gap.
- 2. implantation device as claimed in claim 1 is it is characterised in that described locking post (502) is provided with external screw thread.
- 3. it is characterised in that also including outer loop bar (7), described outer loop bar (7) is hollow to implantation device as claimed in claim 1 Structure, including overcoat club shaft (701) and support (702), outer loop bar (7) be socketed in rotation driving club shaft (601) upper with Rotation driving club shaft (601) gap coordinates；It is provided with accommodation space (703), described accommodation space inside described support (702) (703) upper and lower surface is plane, and described rotating part (602) is arranged in accommodation space (703), is joined with support (702) gap Close.
- 4. implantation device as claimed in claim 3 is it is characterised in that described overcoat club shaft (701) front end is provided with circular arc Recessed.
- 5. it is characterised in that also including handle (8), described handle (8) is socketed in overcoat to implantation device as claimed in claim 4 On club shaft (701), before support (702)；Described handle (8) is provided with spacer (801), described spacer (801) parallel with the upper and lower surface of support (702) accommodation space (703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410683422.3A CN104490496B (en) | 2014-11-24 | 2014-11-24 | TLIF (transforaminal lumbar interbody fusion) implanting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410683422.3A CN104490496B (en) | 2014-11-24 | 2014-11-24 | TLIF (transforaminal lumbar interbody fusion) implanting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104490496A CN104490496A (en) | 2015-04-08 |
| CN104490496B true CN104490496B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410683422.3A Active CN104490496B (en) | 2014-11-24 | 2014-11-24 | TLIF (transforaminal lumbar interbody fusion) implanting apparatus |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2894130B1 (en) * | 2005-12-05 | 2012-07-13 | Spineart Sa | CAGES OF CONTENTION AND INTERSOMATIC FUSION OF VERTEBRATES |
| US9345587B2 (en) * | 2006-03-22 | 2016-05-24 | Beacon Biomedical, Llc | Pivotal lateral cage and method of insertion |
| WO2008115975A1 (en) * | 2006-03-22 | 2008-09-25 | Alpinespine Llc | Pivotable interbody spacer system and method |
| EP2517676B1 (en) * | 2011-04-29 | 2017-04-05 | Medacta International S.A. | Intervertebral implant for the fusion between two vertebral bodies of a vertebral column and corresponding positioning instrument |
| KR101194219B1 (en) * | 2012-04-09 | 2012-10-29 | (주)비엠코리아 | The cage for transforaminal lumbar interbody fusion and the insertion assembly thereof |
| CN204274726U (en) * | 2014-11-24 | 2015-04-22 | 创生医疗器械（中国）有限公司 | TLIF implantation device |
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