CN205458838U - TLIF operation passageway intervertebral struts ware - Google Patents
TLIF operation passageway intervertebral struts ware Download PDFInfo
- Publication number
- CN205458838U CN205458838U CN201620090635.XU CN201620090635U CN205458838U CN 205458838 U CN205458838 U CN 205458838U CN 201620090635 U CN201620090635 U CN 201620090635U CN 205458838 U CN205458838 U CN 205458838U
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- China
- Prior art keywords
- strut
- arm
- tooth bar
- strutting
- seat
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- 238000000034 method Methods 0.000 abstract description 12
- 239000007943 implant Substances 0.000 description 5
- 210000004872 soft tissue Anatomy 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 206010061310 Nerve root injury Diseases 0.000 description 1
- 210000003164 cauda equina Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
Abstract
The utility model provides a TLIF operation passageway intervertebral struts ware, relates to the technical field of medical instruments, be equipped with and strut the rack, strut and be equipped with two on the rack and strut the arm, wherein at least one struts the arm and can follow and strut rack longitudinal sliding motion, can follow and strut strutting of rack longitudinal sliding motion and be equipped with and strut rack matched with on the arm and end contrary pawl, two strut to be equipped with respectively on the arm and are used for the pedicle of vertebral arch screw sleeve that links to each other with the pedicle of vertebral arch screw, two strut strutting between the arm and are equipped with on the rack and pull the seat, it is equipped with the slide opening on the seat to pull, be equipped with in the slide opening and pull the screw rod, it is equipped with on the screw rod and pulls the nut to pull pulling of a rear side, it is equipped with on the screw rod front portion and pulls the hook plate to pull pulling of a front side. The utility model discloses simple structure, convenient to use do not influence operation technique, can the firm operation passageway of fast settling.
Description
Technical field
The present invention relates to technical field of medical instrument, say it is a kind of simple in construction, easy to use in detail, do not affect operation technique, quickly set up the TLIF operation path intervertebral opening device of operation path.
Background technology
It is known that decompression, fixing, to merge be three big principles of internal fixation of spine operation, in art, decompression and intervertebral process operation and need to the most fully expose reduced pressure zone, stably go up hypocentrum.At present, in clinic, the method for preoperative Path Setup is: implants pedicle screw on the vertebral body that need to strut, nails on installation pitman at pedicle of vertebral arch screw, uses distraction forcep to carry out pyramidal support by connecting rod force, uses jackscrew to be fixed；Reach pyramidal support and stable purpose.It has a disadvantage in that pitman just blocks operation technique region, affects operation technique, is difficult to operate outside nerve root completely, easily causes nerve root injury of cauda equina, implants fusion device difficulty.Jackscrew and pedicle screw need locking operation repeatedly, be easily destroyed implants jackscrew and pedicle screw, and then patient is easily caused damage；Passage cannot be set up and carry out little incision operation；The skin soft tissue of incision needs to use the traction of other utensil, struts, and troublesome poeration, wastes time and energy.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, it is provided that a kind of simple in construction, easy to use, do not affect operation technique, quickly set up TLIF(transforaminal approach interbody fusion) intervertebral opening device of operation path.
The present invention solves the deficiencies in the prior art and be the technical scheme is that
A kind of TLIF operation path intervertebral opening device, it is characterized in that: be provided with and strut tooth bar, strut tooth bar to be provided with two and strut arm, at least a part of which one struts arm can be along strutting tooth bar longitudinal sliding motion, can be provided with along the arm that struts strutting tooth bar longitudinal sliding motion and strut the non-return ratchet that tooth bar matches, two strut and are respectively provided with the pedicle screw sleeve being connected with pedicle screw on arm, two tooth bars that strut strutted between arm are provided with traction seat, traction seat is provided with slide opening, traction screw it is provided with in slide opening, traction screw on rear side of traction seat is provided with draw nut, traction screw front portion on front side of traction seat is provided with tracting hook plate.
Heretofore described pedicle screw sleeve is located at the leading section strutting arm.
Heretofore described strut arm and can be along the structure strutting tooth bar longitudinal sliding motion: strut arm and be provided with chute, strut freely slidable being located in chute of tooth bar.
Heretofore described with the structure strutting the non-return ratchet that tooth bar matches is: struts arm and is provided with hinged seat, the middle part of non-return ratchet is hinged with hinged seat, the front portion of non-return ratchet is and struts the non-return tooth that tooth bar matches, the rear portion of non-return ratchet is provided with pressing handle, is provided with back-moving spring between pressing handle and hinged seat.
Heretofore described hinged seat is provided with rotary shaft, rotary shaft be provided with strut that tooth bar is meshed strut gear, rotary shaft one end is provided with turning handle.During use, manipulate turning handle and drive rotary shaft to rotate, make to strut gear and strutting motion on tooth bar, drive hinged seat, drive to strut arm motion.Simple to operate, time saving and energy saving, the spacing strutted between vertebral body can quantify progressively to regulate, beneficially operation technique.
The structure of heretofore described pedicle screw sleeve is: be provided with cylinder, is provided with the longitudinal register hole being connected with pedicle screw head fit in cylinder.The cylinder of two pedicle screw sleeve opposite sides is provided with the viewing window of open at its lower end, increases operation technique space as far as possible, facilitates in art and operate.
Heretofore described two strut and have been respectively articulated with connection seat on arm, and two strut arm and are connected with strutting tooth bar through connecting seat.Strut arm and strutting geo-stationary in tooth bar longitudinal direction with being connected between seat, do not moving.During use, the angle between regulation pedicle screw sleeve that can be suitable and pedicle screw, make pedicle screw sleeve be easier to be socketed in pedicle of vertebral arch screw and nail on, operation is convenient, saves operating time.
Heretofore described two strut in arm, wherein connection seat strutting arm rear end with strut that tooth bar is fixing to be connected, another root struts the connection seat of arm rear end and is provided with chute, struts freely slidable being located in chute of tooth bar.
The present invention in use, implants pedicle screw on needs operated level by operative incision, uses pedicle screw sleeve to be connected with the head of pedicle screw on hypocentrum；Tracting hook plate is placed in operative incision.Strutting arm by two on tooth bar outwards separate strutting, drive pedicle screw sleeve, pedicle screw by pyramidal support, the separate arm that struts will not strut slid inward on tooth bar because of stress at non-return ratchet with under the cooperation strutting tooth bar；Rotating draw nut drives draw bolt, tracting hook plate to pull back the soft tissues such as skin, sets up operation path.Present configuration is simple, easy to use, does not affect operation technique, it is possible to quickly set up firm operation path.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the perspective view of the present invention.
Detailed description of the invention
TLIF operation path intervertebral opening device as Figure 1-3, it is provided with and struts tooth bar 6, strut tooth bar 6 be provided with two be parallel to each other strut arm 11, at least a part of which one struts arm 11 can be along the longitudinal sliding motion strutting tooth bar 6, as can be seen from the figure, strutting arm can be along the structure strutting tooth bar longitudinal sliding motion: struts arm 11 and is provided with chute, struts freely slidable being located in chute of tooth bar.Can be provided with along the arm 11 that struts strutting tooth bar longitudinal sliding motion and strut the non-return ratchet 3 that tooth bar 6 matches, the structure of the non-return ratchet described in the present embodiment is: struts arm 11 and is provided with hinged seat 2, the middle part of non-return ratchet 3 is hinged with hinged seat 2 through bearing pin, the front portion of non-return ratchet 3 is the non-return tooth matched with the tooth strutting tooth bar, the rear portion of non-return ratchet 3 is provided with pressing handle 14, is provided with back-moving spring between pressing handle 14 and hinged seat 2；During use, slide in and out can along strut tooth bar longitudinal sliding motion strut arm 11, two spacing strutting arm are made to increase, the elastic force of back-moving spring makes the non-return tooth of non-return ratchet and the tooth strutting tooth bar be in close contact, prevent due to external force make can along strut tooth bar longitudinal sliding motion strut arm slid inward, as need to make two strut spacing arm reduce or dismounting time, press downwards pressing handle, the non-return tooth of non-return ratchet separates with the tooth strutting tooth bar, can carry out corresponding operating.Two strut and are respectively provided with the pedicle screw sleeve 12 being connected with pedicle screw on arm, and pedicle screw sleeve 12 is located at the leading section strutting arm, pedicle screw sleeve center line with strut arm median perpendicular；The structure of pedicle screw sleeve 12 is: be provided with cylinder, is provided with the longitudinal register hole being connected with pedicle screw head fit in cylinder.The cylinder of two pedicle screw sleeve opposite sides is provided with the viewing window of open at its lower end, increases operation technique space as far as possible, facilitates in art and operate.Two tooth bars that strut strutted between arm are provided with traction seat 13, traction seat 13 is provided with slide opening, freely slidable traction screw 9 it is provided with in slide opening, traction screw 9 on rear side of traction seat 13 is provided with draw nut 4, traction screw 9 leading section on front side of traction seat 13 is provided with tracting hook plate 10, tracting hook plate 10 parallel with pedicle screw sleeve with strut arm and to strut tooth bar vertical.
The present invention improves further, and described hinged seat 2 is provided with rotary shaft 1, rotary shaft 1 be provided with strut that tooth bar is meshed strut gear, rotary shaft one end is provided with turning handle 7.During use, manipulation turning handle 7 drives rotary shaft 1 to rotate, and makes to strut gear and is strutting motion on tooth bar 6, drives hinged seat, drive to strut arm motion.Simple to operate, time saving and energy saving, the spacing strutted between vertebral body can quantify progressively to regulate, beneficially operation technique.
The present invention improves further, and described two strut and have been respectively articulated with connection seat 8 on arm 11, and two strut arm and are connected with strutting tooth bar through connecting seat 8.It can be seen that two described in the present embodiment piece strut in arm, wherein connection seat 8 strutting arm rear end with strut that tooth bar is fixing to be connected, another root struts the connection seat 8 of arm rear end and is provided with chute, struts freely slidable being located in chute of tooth bar.Strut arm and strutting geo-stationary in tooth bar longitudinal direction with being connected between seat, do not moving.During use, the angle between regulation pedicle screw sleeve that can be suitable and pedicle screw, make pedicle screw sleeve be easier to be socketed in pedicle of vertebral arch screw and nail on, operation is convenient, saves operating time.Described strutting longitudinally is provided with chute 15 along it on tooth bar, and traction seat bottom is provided with the slide block 5 matched with chute, and slide block 5 can being embedded in chute along chute 15 longitudinal sliding motion；During use, traction seat can according to actual state regulate its in the position strutting on tooth bar, with the patient of applicable different size operative incision.
The present invention in use, implants pedicle screw by operative incision on the vertebral body that need to strut, and uses pedicle screw sleeve to be connected with the head of pedicle screw；Tracting hook plate is placed in operative incision.Strutting arm by two on tooth bar outwards separate strutting, drive pedicle screw sleeve, pedicle screw by pyramidal support, the separate arm that struts will not strut slid inward on tooth bar because of stress at non-return ratchet with under the cooperation strutting tooth bar；Rotating draw nut drives draw bolt, tracting hook plate to pull back the soft tissues such as skin, sets up operation path.Present configuration is simple, easy to use, does not affect operation technique, it is possible to quickly set up firm operation path.
Claims (8)
1. a TLIF operation path intervertebral opening device, it is characterized in that: be provided with and strut tooth bar, strut tooth bar to be provided with two and strut arm, at least a part of which one struts arm can be along strutting tooth bar longitudinal sliding motion, can be provided with along the arm that struts strutting tooth bar longitudinal sliding motion and strut the non-return ratchet that tooth bar matches, two strut and are respectively provided with the pedicle screw sleeve being connected with pedicle screw on arm, two tooth bars that strut strutted between arm are provided with traction seat, traction seat is provided with slide opening, traction screw it is provided with in slide opening, traction screw on rear side of traction seat is provided with draw nut, traction screw front portion on front side of traction seat is provided with tracting hook plate.
TLIF operation path intervertebral opening device the most according to claim 1, it is characterised in that: described pedicle screw sleeve is located at the leading section strutting arm.
TLIF operation path intervertebral opening device the most according to claim 1 and 2, it is characterised in that: described strut arm and can be along the structure strutting tooth bar longitudinal sliding motion: strut arm and be provided with chute, strut freely slidable being located in chute of tooth bar.
TLIF operation path intervertebral opening device the most according to claim 3, it is characterized in that: described with the structure strutting the non-return ratchet that tooth bar matches is: strut arm and be provided with hinged seat, the middle part of non-return ratchet is hinged with hinged seat, the front portion of non-return ratchet is and struts the non-return tooth that tooth bar matches, the rear portion of non-return ratchet is provided with pressing handle, is provided with back-moving spring between pressing handle and hinged seat.
TLIF operation path intervertebral opening device the most according to claim 4, it is characterised in that: described hinged seat is provided with rotary shaft, rotary shaft be provided with strut that tooth bar is meshed strut gear, rotary shaft one end is provided with turning handle.
6. according to the TLIF operation path intervertebral opening device described in claim 4 or 5, it is characterised in that: the structure of described pedicle screw sleeve is: be provided with cylinder, is provided with the longitudinal register hole being connected with pedicle screw head fit in cylinder.
TLIF operation path intervertebral opening device the most according to claim 6, it is characterised in that: described two strut and have been respectively articulated with connection seat on arm, and two strut arm and are connected with strutting tooth bar through connecting seat.
TLIF operation path intervertebral opening device the most according to claim 7, it is characterized in that: described two strut in arm, wherein connection seat strutting arm rear end with strut that tooth bar is fixing to be connected, another root struts the connection seat of arm rear end and is provided with chute, struts freely slidable being located in chute of tooth bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620090635.XU CN205458838U (en) | 2016-01-29 | 2016-01-29 | TLIF operation passageway intervertebral struts ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620090635.XU CN205458838U (en) | 2016-01-29 | 2016-01-29 | TLIF operation passageway intervertebral struts ware |
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| CN205458838U true CN205458838U (en) | 2016-08-17 |
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| CN201620090635.XU Active CN205458838U (en) | 2016-01-29 | 2016-01-29 | TLIF operation passageway intervertebral struts ware |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105596040A (en) * | 2016-01-29 | 2016-05-25 | 山东威高骨科材料股份有限公司 | Intervertebral expander for TLIF (Transforaminal Lumbar Interbody Fusion) surgical channel |
| CN107157534A (en) * | 2017-06-21 | 2017-09-15 | 上海三友医疗器械股份有限公司 | Pyramidal support device assembly |
| CN107569296A (en) * | 2017-09-19 | 2018-01-12 | 广州医科大学附属第医院 | A kind of zoopery dilator |
| CN107582112A (en) * | 2017-09-08 | 2018-01-16 | 山东威高骨科材料股份有限公司 | Device for spreading between a kind of centrum |
| CN110974321A (en) * | 2019-10-28 | 2020-04-10 | 北京大学深圳医院 | Thoracic surgery retractor |
-
2016
- 2016-01-29 CN CN201620090635.XU patent/CN205458838U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105596040A (en) * | 2016-01-29 | 2016-05-25 | 山东威高骨科材料股份有限公司 | Intervertebral expander for TLIF (Transforaminal Lumbar Interbody Fusion) surgical channel |
| CN107157534A (en) * | 2017-06-21 | 2017-09-15 | 上海三友医疗器械股份有限公司 | Pyramidal support device assembly |
| CN107157534B (en) * | 2017-06-21 | 2023-09-29 | 上海三友医疗器械股份有限公司 | Vertebral body spreader assembly |
| CN107582112A (en) * | 2017-09-08 | 2018-01-16 | 山东威高骨科材料股份有限公司 | Device for spreading between a kind of centrum |
| CN107569296A (en) * | 2017-09-19 | 2018-01-12 | 广州医科大学附属第医院 | A kind of zoopery dilator |
| CN107569296B (en) * | 2017-09-19 | 2023-09-19 | 广州医科大学附属第一医院 | Animal experiment spreader |
| CN110974321A (en) * | 2019-10-28 | 2020-04-10 | 北京大学深圳医院 | Thoracic surgery retractor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |