CN105596040A - Intervertebral expander for TLIF (Transforaminal Lumbar Interbody Fusion) surgical channel - Google Patents
Intervertebral expander for TLIF (Transforaminal Lumbar Interbody Fusion) surgical channel Download PDFInfo
- Publication number
- CN105596040A CN105596040A CN201610062327.0A CN201610062327A CN105596040A CN 105596040 A CN105596040 A CN 105596040A CN 201610062327 A CN201610062327 A CN 201610062327A CN 105596040 A CN105596040 A CN 105596040A
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- Prior art keywords
- strut
- arm
- tooth bar
- struts
- traction
- 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.)
- Granted
Links
- 230000004927 fusion Effects 0.000 title abstract description 5
- 230000033001 locomotion Effects 0.000 claims description 15
- 241000587161 Gomphocarpus Species 0.000 claims description 3
- 238000000034 method Methods 0.000 description 13
- 239000007943 implant Substances 0.000 description 5
- 210000004872 soft tissue Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 208000027418 Wounds and 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
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
- A61B2017/0256—Joint distractors for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an intervertebral expander for a TLIF (Transforaminal Lumbar Interbody Fusion) surgical channel, and relates to the technical field of medical instruments. The intervertebral expander for the TLIF surgical channel is provided with an expanding gear rack, wherein the expanding gear rack is provided with two expanding arms; at least one expanding arm can longitudinally slide along the expanding gear rack; the expanding arm which can be longitudinally slid along the expanding gear rack is provided with a non-return pawl which cooperates with the expanding gear rack; the two expanding arms are provided respectively with a vertebral pedicle screw sleeve which is used for being connected with a vertebral pedicle screw; the expanding gear rack between the two expanding arms is provided with a traction base; the traction base is provided with a sliding hole; traction screw rods are arranged in the sliding hole; the traction screw rod at the back side of the traction base is provided with a traction nut; the front part of the traction screw rod at the front side of the traction base is provided with a traction hook plate. The intervertebral expander for the TLIF surgical channel is simple in structure and is convenient to use; surgical operation is not influenced; the firm surgical channel can be quickly established.
Description
Technical field
The present invention relates to medical instruments technical field, say in detail it is a kind of simple in structure, easy to use, do not affect operation technique, the TLIF operation path intervertebral opening device of Rapid Establishment operation path.
Background technology
We know, decompression, fixing, to merge be three large principles of internal fixation of spine operation, and in art, decompression and intervertebral are processed operation and needed as far as possible fully expose reduced pressure zone, stable above hypocentrum. At present, in clinical, the method for preoperative Path Setup is: on the centrum strutting at need, implant pedicle screw, nail on installation pitman at pedicle of vertebral arch screw, use distraction forcep to carry out pyramidal support by the connecting rod application of force, use jackscrew to be fixed; Reach pyramidal support and stable object. There is following shortcoming in it: pitman just blocks operation technique region, affects operation technique, is difficult to operate outward at nerve root completely, easily causes nerve root cauda equina injury, implants fusion device difficulty. Jackscrew and pedicle screw need locking operation repeatedly, easily destroy implants jackscrew and pedicle screw, and then patient Yi Zaocheng is damaged; Cannot set up passage and carry out little incision operation; The skin soft tissue of incision need to use the traction of other utensil, strut, and troublesome poeration, wastes time and energy.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, easy to use, do not affect operation technique, Rapid Establishment TLIF(intervertebral spinal fusion approach interbody fusion) intervertebral opening device of operation path.
The present invention solves the technical scheme that the deficiencies in the prior art adopt:
A kind of TLIF operation path intervertebral opening device, it is characterized in that: be provided with and strut tooth bar, strutting tooth bar is provided with two and struts arm, wherein at least one strut arm can be along strutting tooth bar longitudinal sliding motion, can be provided with and the non-return ratchet that struts tooth bar and match along the arm that struts that struts tooth bar longitudinal sliding motion, two strut and on arm, are respectively equipped with the pedicle screw sleeve for being connected with pedicle screw, two tooth bars that strut that strut between arm are provided with traction seat, traction seat is provided with slide opening, in slide opening, be provided with traction screw, the traction screw of traction seat rear side is provided with pull nut, the traction screw front portion of traction seat front side is provided with tracting hook plate.
Pedicle screw sleeve described in the present invention is located at the leading section that struts arm.
Strutting arm and can be along the structure that struts tooth bar longitudinal sliding motion described in the present invention: strut arm and be provided with chute, strut being located in chute that tooth bar can be free to slide.
The structure with strutting the non-return ratchet that tooth bar matches described in the present invention is: strut arm and be provided with hinged seat, middle part and the hinged seat of non-return ratchet are hinged, the front portion of non-return ratchet is and the non-return tooth that struts tooth bar and match, the rear portion of non-return ratchet is provided with presses handle, presses between handle and hinged seat and is provided with back-moving spring.
Hinged seat described in the present invention is provided with turning cylinder, and turning cylinder is provided with and struts the gear that struts that tooth bar is meshed, and turning cylinder one end is provided with turning handle. When use, manipulation turning handle drives turning cylinder to rotate, and makes to strut gear and moves strutting on tooth bar, drives hinged seat, drives and strut arm motion. Simple to operate, time saving and energy saving, the spacing strutting between centrum can quantize progressively to regulate, and is beneficial to operation technique.
The structure of the pedicle screw sleeve described in the present invention is: be provided with cylindrical shell, be provided with the longitudinal register hole being connected with pedicle of vertebral arch screw nail head fit in cylindrical shell. The cylindrical shell of two pedicle screw sleeve opposite sides is provided with the unlimited viewing window in lower end, increases as much as possible operation technique space, facilitates in art and operates.
Described in the present invention two strut and on arm, are hinged with respectively Connection Block, two strut arm through Connection Block with strut tooth bar and be connected. Strut between arm and Connection Block strut tooth bar on longitudinally relative static, do not move. In use procedure, the angle between adjusting pedicle screw sleeve and pedicle screw that can be suitable, makes pedicle screw sleeve be easier to be socketed in pedicle of vertebral arch screw and nails on, and operation is convenient, saves operating time.
Two described in the present invention strut in arm, and wherein a Connection Block that struts arm rear end is fixedly connected with strutting tooth bar, and the Connection Block that another root struts arm rear end is provided with chute, strut being located in chute that tooth bar can be free to slide.
The present invention in use, implants pedicle screw on hypocentrum by operative incision on needs are performed the operation sections, uses pedicle screw sleeve to be connected with the head of pedicle screw; Tracting hook plate is placed in operative incision. On tooth bar, strut arm by two and outwards separate strutting, drive pedicle screw sleeve, pedicle screw by pyramidal support, separate strut arm non-return ratchet with strut the cooperation of tooth bar under can not strut inwardly slip on tooth bar because of stressed; Rotate pull nut and drive draw bolt, tracting hook plate to pull back the soft tissues such as skin, set up operation path. The present invention is simple in structure, easy to use, does not affect operation technique, can the firm operation path of Rapid Establishment.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is perspective view of the present invention.
Detailed description of the invention
TLIF operation path intervertebral opening device as Figure 1-3, be provided with and strut tooth bar 6, strut tooth bar 6 be provided with two be parallel to each other strut arm 11, wherein at least one strut arm 11 can be along the longitudinal sliding motion that struts tooth bar 6, as can be seen from the figure, strutting arm can be along the structure that struts tooth bar longitudinal sliding motion: strut arm 11 and be provided with chute, strut being located in chute that tooth bar can be free to slide. Can be provided with and the non-return ratchet 3 that struts tooth bar 6 and match along the arm 11 that struts that struts tooth bar longitudinal sliding motion, the structure of the non-return ratchet described in the present embodiment is: strut arm 11 and be provided with hinged seat 2, the middle part of non-return ratchet 3 is hinged through bearing pin and hinged seat 2, the front portion of non-return ratchet 3 is the non-return tooth matching with the tooth that struts tooth bar, the rear portion of non-return ratchet 3 is provided with presses handle 14, presses between handle 14 and hinged seat 2 and is provided with back-moving spring; When use, outwards slip can along strut tooth bar longitudinal sliding motion strut arm 11, two spacing that strut arm are increased, the elastic force of back-moving spring makes the non-return tooth and the tooth close contact that struts tooth bar of non-return ratchet, prevent because external force makes inwardly to slide along the arm that struts of the longitudinal sliding motion that struts tooth bar, while making two to strut spacing arm and reduce or dismantle as need, press downwards and press handle, the non-return tooth of non-return ratchet separates with the tooth that struts tooth bar, can carry out corresponding operating. Two strut on arm and are respectively equipped with the pedicle screw sleeve 12 for being connected with pedicle screw, and pedicle screw sleeve 12 is located at the leading section that struts arm, and pedicle screw sleeve center line is with to strut arm center line vertical; The structure of pedicle screw sleeve 12 is: be provided with cylindrical shell, be provided with the longitudinal register hole being connected with pedicle of vertebral arch screw nail head fit in cylindrical shell. The cylindrical shell of two pedicle screw sleeve opposite sides is provided with the unlimited viewing window in lower end, increases as much as possible operation technique space, facilitates in art and operates. Two tooth bars that strut that strut between arm are provided with traction seat 13, traction seat 13 is provided with slide opening, in slide opening, be provided with the traction screw 9 that can be free to slide, the traction screw 9 of traction seat 13 rear sides is provided with pull nut 4, traction screw 9 leading sections of traction seat 13 front sides are provided with tracting hook plate 10, tracting hook plate 10 is parallel with pedicle screw sleeve, with strut arm and to strut tooth bar vertical.
The present invention further improves, and described hinged seat 2 is provided with turning cylinder 1, and turning cylinder 1 is provided with and struts the gear that struts that tooth bar is meshed, and turning cylinder one end is provided with turning handle 7. When use, manipulation turning handle 7 drives turning cylinder 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 strutting between centrum can quantize progressively to regulate, and is beneficial to operation technique.
The present invention further improves, described two strut on arm 11, be hinged with respectively 8, two of Connection Blocks strut arm through Connection Block 8 with strut tooth bar and be connected. As can be seen from the figure, two described in the present embodiment strut in arm, wherein a Connection Block 8 that struts arm rear end is fixedly connected with strutting tooth bar, and the Connection Block 8 that another root struts arm rear end is provided with chute, struts being located in chute that tooth bar can be free to slide. Strut between arm and Connection Block strut tooth bar on longitudinally relative static, do not move. In use procedure, the angle between adjusting pedicle screw sleeve and pedicle screw that can be suitable, makes pedicle screw sleeve be easier to be socketed in pedicle of vertebral arch screw and nails on, and operation is convenient, saves operating time. Described strutting on tooth bar is longitudinally provided with chute 15 along it, and traction seat bottom is provided with the slide block 5 matching with chute, and slide block 5 can being embedded in chute along chute 15 longitudinal sliding motions; When use, traction seat can regulate it in the position strutting on tooth bar according to actual state, to be applicable to the patient of different big or small operative incisions.
The present invention in use, implants pedicle screw on the centrum strutting by operative incision at need, uses pedicle screw sleeve to be connected with the head of pedicle screw; Tracting hook plate is placed in operative incision. On tooth bar, strut arm by two and outwards separate strutting, drive pedicle screw sleeve, pedicle screw by pyramidal support, separate strut arm non-return ratchet with strut the cooperation of tooth bar under can not strut inwardly slip on tooth bar because of stressed; Rotate pull nut and drive draw bolt, tracting hook plate to pull back the soft tissues such as skin, set up operation path. The present invention is simple in structure, easy to use, does not affect operation technique, can the firm operation path of Rapid Establishment.
Claims (8)
1. a TLIF operation path intervertebral opening device, it is characterized in that: be provided with and strut tooth bar, strutting tooth bar is provided with two and struts arm, wherein at least one strut arm can be along strutting tooth bar longitudinal sliding motion, can be provided with and the non-return ratchet that struts tooth bar and match along the arm that struts that struts tooth bar longitudinal sliding motion, two strut and on arm, are respectively equipped with the pedicle screw sleeve for being connected with pedicle screw, two tooth bars that strut that strut between arm are provided with traction seat, traction seat is provided with slide opening, in slide opening, be provided with traction screw, the traction screw of traction seat rear side is provided with pull nut, the traction screw front portion of traction seat front side is provided with tracting hook plate.
2. TLIF operation path intervertebral opening device according to claim 1, is characterized in that: described pedicle screw sleeve is located at the leading section that struts arm.
3. TLIF operation path intervertebral opening device according to claim 1 and 2, is characterized in that: described strut arm and can be along the structure that struts tooth bar longitudinal sliding motion: strut arm and be provided with chute, strut being located in chute that tooth bar can be free to slide.
4. TLIF operation path intervertebral opening device according to claim 3, it is characterized in that: described with the structure that struts the non-return ratchet that tooth bar matches be: strut arm and be provided with hinged seat, middle part and the hinged seat of non-return ratchet are hinged, the front portion of non-return ratchet is and the non-return tooth that struts tooth bar and match, the rear portion of non-return ratchet is provided with presses handle, presses between handle and hinged seat and is provided with back-moving spring.
5. TLIF operation path intervertebral opening device according to claim 4, is characterized in that: described hinged seat is provided with turning cylinder, and turning cylinder is provided with and struts the gear that struts that tooth bar is meshed, and turning cylinder 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 characterized in that: the structure of described pedicle screw sleeve is: be provided with cylindrical shell, in cylindrical shell, be provided with the longitudinal register hole being connected with pedicle of vertebral arch screw nail head fit.
7. TLIF operation path intervertebral opening device according to claim 6, is characterized in that: described two strut and on arm, are hinged with respectively Connection Block, two strut arm through Connection Block with strut tooth bar and be connected.
8. TLIF operation path intervertebral opening device according to claim 7, it is characterized in that: described two strut in arm, wherein Connection Block that struts arm rear end with strut tooth bar and be fixedly connected with, the Connection Block that another root struts arm rear end is provided with chute, struts being located in chute that tooth bar can be free to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062327.0A CN105596040B (en) | 2016-01-29 | 2016-01-29 | TLIF operation path intervertebral opening devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062327.0A CN105596040B (en) | 2016-01-29 | 2016-01-29 | TLIF operation path intervertebral opening devices |
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| CN105596040A true CN105596040A (en) | 2016-05-25 |
| CN105596040B CN105596040B (en) | 2018-09-18 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007311A (en) * | 2017-05-26 | 2017-08-04 | 南京医科大学第附属医院 | A kind of posterior lumbar fusion process multifunctional universal intervertebral pulling tractor |
| CN107184267A (en) * | 2017-05-31 | 2017-09-22 | 北京市春立正达医疗器械股份有限公司 | A kind of knee joint dilator |
| CN107411786A (en) * | 2017-05-18 | 2017-12-01 | 南阳市中心医院 | A kind of hepatobiliary surgery hooking device |
| CN107411787A (en) * | 2017-08-28 | 2017-12-01 | 上海君联医疗设备有限公司 | For the pyramidal support device after people's compression fracture of vertabral body |
| CN108143450A (en) * | 2017-12-26 | 2018-06-12 | 北京天和诚医疗科技有限公司 | One kind struts pressue device and its application method |
| CN108577909A (en) * | 2018-05-18 | 2018-09-28 | 山西大医院（山西医学科学院） | A kind of operation on vertebra channel system |
| CN109124703A (en) * | 2018-07-02 | 2019-01-04 | 袁永刚 | A kind of Internal Medicine-Oncology operation of lung cancer auxiliary device |
| CN110101421A (en) * | 2019-05-27 | 2019-08-09 | 杨明英 | A kind of type stretching apparatus easy to use for surgical operation |
| CN111407333A (en) * | 2020-03-27 | 2020-07-14 | 单国华 | Visual micro-incision spreader |
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| US20140031874A1 (en) * | 2012-07-27 | 2014-01-30 | Spinal Usa, Inc. | Minimally invasive devices, systems and methods for treating the spine |
| CN205458838U (en) * | 2016-01-29 | 2016-08-17 | 山东威高骨科材料股份有限公司 | TLIF operation passageway intervertebral struts ware |
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| US20060084844A1 (en) * | 2004-10-19 | 2006-04-20 | Nehls Daniel G | Retractor and distractor system for use in anterior cervical disc surgery |
| CN102821673A (en) * | 2009-11-10 | 2012-12-12 | 纽瓦西弗公司 | Method and apparatus for performing spinal surgery |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107411786A (en) * | 2017-05-18 | 2017-12-01 | 南阳市中心医院 | A kind of hepatobiliary surgery hooking device |
| CN107007311A (en) * | 2017-05-26 | 2017-08-04 | 南京医科大学第附属医院 | A kind of posterior lumbar fusion process multifunctional universal intervertebral pulling tractor |
| CN107007311B (en) * | 2017-05-26 | 2024-01-26 | 南京医科大学第一附属医院 | Multifunctional universal intervertebral distraction device for posterior lumbar fusion |
| CN107184267A (en) * | 2017-05-31 | 2017-09-22 | 北京市春立正达医疗器械股份有限公司 | A kind of knee joint dilator |
| CN107411787A (en) * | 2017-08-28 | 2017-12-01 | 上海君联医疗设备有限公司 | For the pyramidal support device after people's compression fracture of vertabral body |
| CN108143450A (en) * | 2017-12-26 | 2018-06-12 | 北京天和诚医疗科技有限公司 | One kind struts pressue device and its application method |
| CN108577909A (en) * | 2018-05-18 | 2018-09-28 | 山西大医院（山西医学科学院） | A kind of operation on vertebra channel system |
| CN109124703A (en) * | 2018-07-02 | 2019-01-04 | 袁永刚 | A kind of Internal Medicine-Oncology operation of lung cancer auxiliary device |
| CN109124703B (en) * | 2018-07-02 | 2021-01-01 | 青岛山大齐鲁医院（山东大学齐鲁医院（青岛）） | Lung cancer operation auxiliary device for medical oncology |
| CN110101421A (en) * | 2019-05-27 | 2019-08-09 | 杨明英 | A kind of type stretching apparatus easy to use for surgical operation |
| CN111407333A (en) * | 2020-03-27 | 2020-07-14 | 单国华 | Visual micro-incision spreader |
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| CN105596040B (en) | 2018-09-18 |
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