CN104490496A - TLIF (transforaminal lumbar interbody fusion) implanting apparatus - Google Patents
TLIF (transforaminal lumbar interbody fusion) implanting apparatus Download PDFInfo
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- CN104490496A CN104490496A CN201410683422.3A CN201410683422A CN104490496A CN 104490496 A CN104490496 A CN 104490496A CN 201410683422 A CN201410683422 A CN 201410683422A CN 104490496 A CN104490496 A CN 104490496A
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- tlif
- rotary actuation
- club shaft
- lock lever
- check lock
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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
The present invention relates to medical instruments field, particularly, relate to a kind of TLIF implantation device.
Background technology
TLIF (Transforaminal Lumbar Interbody Fusion) refers to transforaminal approach lumbar interbody fusion art.Owing to being enter from the midline incision of patient back canalis spinalis more side, the muscle that this art formula greatly reduces in operation peels off quantity, and TLIF can provide the support of front pillar and stablize, and rebuilds the normal anatomy curvature of corresponding sections, thus maintain or recover the physiological camber of lumbar vertebra entirety.
And the current fusion device for TLIF operation and implantation device thereof can not make fusion device realize adjustable rotary, need reciprocally swinging implantation device in art, to make fusion device arrive desirable implantation position.The reciprocally swinging of implantation device easily damages nerve root and dural sac, and makes TLIF operation become more complicated.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of TLIF implantation device, with fusion device with the use of, make fusion device directly arrive implantation position, avoid the damage to nerve root and dural sac, simplify operating procedure, reduce operating time, reduce patient suffering.
For solving the problem, the technical solution adopted in the present invention is as follows:
TLIF implantation device, comprise check lock lever and rotary actuation bar, described check lock lever comprises the check lock lever body of rod, tight lock part, shank, and described check lock lever lever front end is provided with the locking post coordinated with TLIF fusion device locking hole; Described rotary actuation bar is hollow structure, comprises rotary actuation club shaft and rotating part, and described rotary actuation club shaft front end is provided with the tooth engaged with profile of tooth bar, described rotary actuation bar be socketed on the check lock lever body of rod with check lock lever body of rod matched in clearance.
Preferably, described locking post is provided with external screw thread.
Preferably, also comprise outer loop bar, described outer loop bar is hollow structure, comprises overcoat club shaft and support, outer loop bar be socketed on rotary actuation club shaft with rotary actuation club shaft matched in clearance; Described support inside is provided with accommodation space, and 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 in accommodation space, with support matched in clearance.
Preferably, described overcoat club shaft front end is provided with circular arc indent, and described circular arc indent and fusion device body tail section circular arc match.
Preferably, also comprise handle, described taper knob is connected on overcoat club shaft, before being positioned at support; Described handle is provided with spacer, and described spacer is parallel with the upper and lower surface of support accommodation space.
Compared to existing technology, beneficial effect of the present invention is:
1, implantation device of the present invention coordinates with TLIF fusion device, makes fusion device can realize original position and rotates, arrive expection implantation position, avoid the damage to nerve root and dural sac, simplify operating procedure, reduce operating time, reduce patient suffering;
2, on implantation device of the present invention, spacer is parallel with support sidewall, can play positioning action to TLIF fusion device, avoids TLIF fusion device in operating process to tilt on the impact of operation.
Accompanying drawing explanation
Fig. 1 is TLIF fusion device structural representation;
Fig. 2 is TLIF fusion device agent structure schematic diagram;
Fig. 3 be in TLIF fusion device 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 rotary actuation bar structural representation in the present invention;
Fig. 8 is the present invention China and foreign countries loop bar structural representations;
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 backing pin, 31 be pin cap, 32 be pin, 4 be backing pin hole, 5 be check lock lever, 501 be the check lock lever body of rod, 502 for locking post, 503 be tight lock part, 504 be shank, 6 be rotary actuation bar, 601 be rotary actuation 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 for spacer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As Figure 1-4, for TLIF fusion device, comprise fusion device main body 1, swinging strut 2 and backing pin 3, swinging strut 2 two ends are provided with pin hole 21, swinging strut 2 cylinder is provided with the locking hole 22 perpendicular to pin hole 21 direction, described fusion device main body 1 has the upper surface contacted with top vertebral body, the lower surface contacted with bottom vertebral body, fusion device main body 1 afterbody is circular arc, fusion device main body 1 afterbody is provided with groove between upper and lower surface, backing pin 3 one end is fixed in fusion device main body 1, the other end and pin hole 21 matched in clearance; The wall of described groove is provided with profile of tooth bar 11, and profile of tooth bar 11 is radial radial distribution centered by swinging strut 2.
As viewed in figures 5-8, be implantation device, comprise check lock lever 5 and rotary actuation bar 6, check lock lever 5 comprises the check lock lever body of rod 501, tight lock part 503, shank 504, and the check lock lever body of rod 501 front end is provided with the locking post 502 coordinated with TLIF fusion device locking hole 22; Rotary actuation bar 6 is hollow structure, comprises rotary actuation club shaft 601 and rotating part 602, and rotary actuation club shaft 601 front end is provided with the tooth engaged with profile of tooth bar 11, rotary actuation bar 6 be socketed on the check lock lever body of rod 501 with the check lock lever body of rod 501 matched in clearance.
Embodiment 1
TLIF fusion device, comprise fusion device main body 1, swinging strut 2 and backing pin 3, swinging strut 2 is polygon prism, swinging strut 2 two ends are provided with pin hole 21, swinging strut 2 cylinder is provided with the locking hole 22 perpendicular to pin hole 21 direction, fusion device main body 1 has the upper surface contacted with top vertebral body, the lower surface contacted with bottom vertebral body, fusion device main body 1 afterbody is circular arc, on fusion device main body 1 afterbody, groove is provided with between lower surface, in described groove and fusion device main body, backing pin hole 4 is provided with between lower surface, backing pin 3 comprises pin 32 and the pin cap 31 of integrative-structure, pin cap 31 and backing pin hole 4 interference fit, pin 32 and pin hole 21 matched in clearance, the wall of described groove is provided with profile of tooth bar 11, and profile of tooth bar 11 is radial radial distribution centered by swinging strut 2, and profile of tooth bar 11 is highly 0.8mm.
Implantation device, comprises check lock lever 5, rotary actuation bar 6, outer loop bar 7 and handle 8, and check lock lever 5 comprises the check lock lever body of rod 501, tight lock part 503, shank 504, and the check lock lever body of rod 501 front end is provided with the locking post 502 coordinated with TLIF fusion device locking hole 22; Rotary actuation bar 6 is hollow structure, comprises rotary actuation club shaft 601 and rotating part 602, and rotary actuation club shaft 601 front end is provided with the tooth engaged with profile of tooth bar 11, rotary actuation bar 6 be socketed on the check lock lever body of rod 501 with the check lock lever body of rod 501 matched in clearance; Outer loop bar 7 is hollow structure, comprises overcoat club shaft 701 and support 702, outer loop bar 7 be socketed on rotary actuation club shaft 601 with rotary actuation club shaft 601 matched in clearance; Support 702 inside is provided with accommodation space 703, and the upper and lower surface of accommodation space 703 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 matched in clearance; Handle 8 is socketed on overcoat club shaft 701, before being positioned at support 702; Handle 8 sidewall is provided with spacer 801, and spacer 801 is parallel with the upper and lower surface of support 702 accommodation space 703.
Embodiment 2
TLIF fusion device, comprise fusion device main body 1, swinging strut 2 and backing pin 3, swinging strut 2 is cylinder, and swinging strut 2 two ends are provided with pin hole 21, swinging strut 2 cylinder is provided with the locking hole 22 perpendicular to pin hole 21 direction, in locking hole 22, is provided with female thread; Fusion device main body 1 has the upper surface contacted with top vertebral body, the lower surface contacted with bottom vertebral body, fusion device main body 1 afterbody is circular arc, fusion device main body 1 afterbody is provided with groove between upper and lower surface, backing pin hole 4 is provided with between described groove and the upper and lower surface of fusion device main body, backing pin 3 comprises pin 32 and the pin cap 31 of integrative-structure, pin cap 31 and backing pin hole 4 interference fit, pin 32 and pin hole 21 matched in clearance; The wall of described groove is provided with profile of tooth bar 11, and profile of tooth bar 11 is radial radial distribution centered by swinging strut 2, and profile of tooth bar 11 is highly 3mm.
Implantation device, comprise check lock lever 5, rotary actuation bar 6, outer loop bar 7 and handle 8, check lock lever 5 comprises the check lock lever body of rod 501, tight lock part 503, shank 504, and the check lock lever body of rod 501 front end is provided with the locking post 502 coordinated with TLIF fusion device locking hole 22, and locking post 502 has been provided with external screw thread; Rotary actuation bar 6 is hollow structure, comprises rotary actuation club shaft 601 and rotating part 602, and rotary actuation club shaft 601 front end is provided with the tooth engaged with profile of tooth bar 11, rotary actuation bar 6 be socketed on the check lock lever body of rod 501 with the check lock lever body of rod 501 matched in clearance; Outer loop bar 7 is hollow structure, comprises overcoat club shaft 701 and support 702, outer loop bar 7 be socketed on rotary actuation club shaft 601 with rotary actuation club shaft 601 matched in clearance; Support 702 inside is provided with 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 is arranged in accommodation space 703, with support 702 matched in clearance, overcoat club shaft 701 front end is provided with circular arc indent, and described circular arc indent and fusion device main body 1 afterbody circular arc match; Handle 8 is socketed on overcoat club shaft 701, before being positioned at support 702; Handle 8 sidewall is provided with spacer 801, and spacer 801 is parallel with the upper and lower surface of support 702 accommodation space 703.
During use, implantation device check lock lever 5 being locked post 502 is locked in TLIF fusion device swinging strut 2 locking hole 22, and adjust implantation device and TLIF fusion device direction, make spacer 801, the upper and lower surface of accommodation space 703 and TLIF fusion device upper and lower surface keeping parallelism, then before utilizing rotary actuation club shaft 601, end tooth engages with profile of tooth bar 11, rotate rotating part 602, the rotation of TLIF fusion device horizontal direction can be realized.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the claims in the present invention.
Claims (5)
1.TLIF implantation device, it is characterized in that, comprise check lock lever (5) and rotary actuation bar (6), described check lock lever (5) comprises the check lock lever body of rod (501), tight lock part (503), shank (504), and the described check lock lever body of rod (501) front end is provided with the locking post (502) coordinated with TLIF fusion device locking hole (22); Described rotary actuation bar (6) is hollow structure, comprise rotary actuation club shaft (601) and rotating part (602), described rotary actuation club shaft (601) front end is provided with the tooth engaged with profile of tooth bar (11), and described rotary actuation bar (6) is socketed on the check lock lever body of rod (501) and the check lock lever body of rod (501) matched in clearance.
2. implantation device as claimed in claim 1, it is characterized in that, described locking post (502) is provided with external screw thread.
3. implantation device as claimed in claim 1, it is characterized in that, also comprise outer loop bar (7), described outer loop bar (7) is hollow structure, comprise overcoat club shaft (701) and support (702), outer loop bar (7) is socketed on rotary actuation club shaft (601) and rotary actuation club shaft (601) matched in clearance; Described support (702) inside is provided with accommodation space (703), described accommodation space (703) upper and lower surface is plane, described rotating part (602) is arranged in accommodation space (703), with support (702) matched in clearance.
4. implantation device as claimed in claim 3, it is characterized in that, described overcoat club shaft (701) front end is provided with circular arc indent.
5. implantation device as claimed in claim 4, it is characterized in that, also comprise handle (8), described handle (8) is socketed on overcoat club shaft (701), before being positioned at support (702); Described handle (8) is provided with spacer (801), and described spacer (801) is parallel with support (702) accommodation space (703) upper and lower surface.
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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410683422.3A CN104490496B (en) | 2014-11-24 | 2014-11-24 | TLIF (transforaminal lumbar interbody fusion) implanting apparatus |
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| CN104490496A true CN104490496A (en) | 2015-04-08 |
| CN104490496B CN104490496B (en) | 2017-02-22 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330884A (en) * | 2005-12-05 | 2008-12-24 | 斯宾阿特有限公司 | Cages for setting and intersomatically fusing vertebrae |
| US20110172776A1 (en) * | 2006-03-22 | 2011-07-14 | Warnick David R | Pivotable Interbody Spacer System And Method |
| CN102755206A (en) * | 2011-04-29 | 2012-10-31 | 麦德塔国际股份公司 | Intervertebral implant for the fusion between two vertebral bodies of a vertebral column and corresponding positioning instrument |
| CN103356311A (en) * | 2012-04-09 | 2013-10-23 | 韩国Bm株式会社 | Artificial disk for transforaminal lumbar interbody fusion (TLIF) and insertion assembly thereof |
| US20140039626A1 (en) * | 2006-03-22 | 2014-02-06 | Beacon Biomedical, Llc | Pivotal lateral cage and method of insertion |
| CN204274726U (en) * | 2014-11-24 | 2015-04-22 | 创生医疗器械（中国）有限公司 | TLIF implantation device |
-
2014
- 2014-11-24 CN CN201410683422.3A patent/CN104490496B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330884A (en) * | 2005-12-05 | 2008-12-24 | 斯宾阿特有限公司 | Cages for setting and intersomatically fusing vertebrae |
| US20110172776A1 (en) * | 2006-03-22 | 2011-07-14 | Warnick David R | Pivotable Interbody Spacer System And Method |
| US20140039626A1 (en) * | 2006-03-22 | 2014-02-06 | Beacon Biomedical, Llc | Pivotal lateral cage and method of insertion |
| CN102755206A (en) * | 2011-04-29 | 2012-10-31 | 麦德塔国际股份公司 | Intervertebral implant for the fusion between two vertebral bodies of a vertebral column and corresponding positioning instrument |
| CN103356311A (en) * | 2012-04-09 | 2013-10-23 | 韩国Bm株式会社 | Artificial disk for transforaminal lumbar interbody fusion (TLIF) and 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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| CN104490496B (en) | 2017-02-22 |
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