CN103126757A - Minimally invasive fracture fixation multi-section screw fixation device - Google Patents
Minimally invasive fracture fixation multi-section screw fixation device Download PDFInfo
- Publication number
- CN103126757A CN103126757A CN2012102296218A CN201210229621A CN103126757A CN 103126757 A CN103126757 A CN 103126757A CN 2012102296218 A CN2012102296218 A CN 2012102296218A CN 201210229621 A CN201210229621 A CN 201210229621A CN 103126757 A CN103126757 A CN 103126757A
- Authority
- CN
- China
- Prior art keywords
- screw
- minimally invasive
- fixation
- handle
- screw fixation
- 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.)
- Pending
Links
Images
Abstract
Provided is a minimally invasive fracture fixation multi-section screw fixation device. The minimally invasive fracture fixation multi-section screw fixation device is composed of a sleeve, a handle, a pull rod, a plug, a connecting handle, a rotary stick and an external sleeve, wherein the pull rod is a hollow rod, the handle and the plug are respectively connected with two ends of the pull rod, the handle can be movably or fixedly connected with the pull rod, the plug is fixedly connected with the pull rod, and the plug is directly plugged in a groove which is formed in the tail portion of a screw. The minimally invasive fracture fixation multi-section screw fixation device has the advantages of being reasonable in structure, simple in operation, convenient to operate, accurate in location, stable in screw placing, good in curative effect, low in cost, capable of placing a plurality of screws and fixing the screws at one time, and the like. Due to the fact that a thoracolumbar vertebral fracture posterior approach percutaneous screw fixation technology is adopted to develop a matched screw fixation minimally invasive instrument, the minimally invasive fracture fixation multi-section screw fixation device has the advantages of achieving a fixation technology of ordinary pedicle screws to a plurality of segment centrums, improving accuracy of the screw fixation, reducing a trauma area, being remarkable in curative effect, overcoming the difficulty of the screw fixation in minimally invasive surgeries, reducing iatrogenic injuries, facilitating implantation of bone grafting and implants, and saving time and expenses of surgeries, and therefore the minimally invasive fracture fixation multi-section screw fixation device is an ideal screw fixation matched instrument special for therapies of thoracolumbar vertebral fractures.
Description
Technical field
The present invention relates to is medical apparatus and instruments, is more particularly about bone surgery set, and the Wicresoft's fracture fixation multi-segmental that is used for the treatment of the fracture fixing operations such as breast lumbar vertebra is put the nail device.
Background technology
Lumbar vertebra compression fracture is common spinal fracture, pedicle screw because of its at three posts the superiority aspect fixing, uses increasingly generally, but conventional therapy is inserted pedicle screw employing Posterior midline approach, peels off to both sides, wound is large, hemorrhage many, the hospital stays is long; Need extensively peel off paraspinal muscle in art, easily cause paraspinal muscle denervation, late period the complication such as dysfunction.Along with the development of less invasive techniques, percutaneous is inserted thoracolumbar fractures treated by internal fixation of pedicle of vertebral arch screws and is day by day caused concern widely.But insert in pedicle screw at percutaneous puncture, especially have many difficulties in the importing process of inserting and indulging rod of screw in many vertebral bones reefing, and can not be used for the more segmental thoracic lumbar vertebra fracture.Routine is inserted the designed and use for conventional therapy of pedicle screw operating theater instruments, and the posterior Pedicle screw (as hollow Pediculus arcus vertebrae screw) of some other particular design, need the pedicle screw of special matched, cost is higher, greatly increases the patient burden.Therefore, in the urgent need to designing a kind of mis instruments of using for Wicresoft's pedicle nail fixation for treatment operation for thoracolumbar fractures, can insert and fix multi-segmental, common pedicle screws system by the Minimally Invasive Surgery percutaneous, be conducive to micro-wound percutaneous pedicle screw fixation system in treatment lumbar vertebra compression fracture, will alleviate patient treatment misery and financial burden.
Summary of the invention
The object of the present invention is to provide and a kind ofly can eliminate above-mentioned shortcoming, have rational in infrastructure, operation is simple, easy to operate, accurate positioning, put that nail is firm, good effect, cost is low, the patient suffering is light, financial burden is little, can follow closely Wicresoft's fracture fixation multi-segmental of inserting characteristics such as one-time fixing more puts the nail device.Especially adopt lumbar vertebra compression fracture way of escape percutaneous to put and implant the pedicle screw technique for fixing, developed the supporting nail mis instruments of putting, realized that common pedicle screw is to multi-segmental vertebral body technique for fixing, insert to facilitate the screw in fracture operation, improve the accuracy that screw is inserted, reduce wound face and operating time, improved operation method and therapeutic effect.Captured Minimally Invasive Surgery and inserted the difficulty of pedicle screw, reduced iatrogenic injury, the bone grafting in convenient operation and the placement of inside-fixture, simplify simultaneously operation technique, reducing operation wound, save operating time and manpower, is the supporting apparatus of operation of desirable treatment lumbar vertebra compression fracture special use.
Wicresoft of the present invention fracture fixation multi-segmental is put the nail device or is claimed that the screw inserter is sleeve, handle, pull bar, chock plug, connection handle are arranged, to revolve the formations such as rod, trocar sheath, wherein, pull bar is the hollow bar, be convenient to penetrate in guide pin, handle and chock plug are connected to the two ends of pull bar, handle can or be fixedly connected with the pull bar activity, convenient hand-held use; Chock plug is fixedly connected with pull bar, and chock plug is directly filled in the groove of screw nail afterbody, and on regulating nail tail groove direction and outer sleeve, the direction of U-shaped groove is consistent, facilitates vertical connecting rod to insert in the lower U-shaped groove of outer sleeve; Revolve rod and connection handle and be enclosed within successively on pull bar, revolving rod can be in rotary moving on pull bar, the adjusting yoke axial location; Leave one group of fixing external screw thread between pull bar and chock plug, can be connected with the female thread coupling that screw is followed closely afterbody, be convenient to position and the direction of adjustment screw in putting the nail process; Connection handle is fixed on the pull bar upper end, leaves groove on connection handle and interlocks with the tongue coupling that connects on rod, is convenient to when putting nail position and the direction of adjustment screw internally; Jacket casing is buckled in outside pull bar, consists of the pull bar general name.A groove is left in the stage casing of screw inserter, can its direction with the U-shaped groove in outer layer sleeve upper end be adjusted to by conjugation handle consistently, and then indirectly reaches the direction purpose consistent with the sleeve groove direction of adjusting the U-shaped groove of screw nail tail.
With it matching used connecting bar (or claim connection handle) be the plush copper of connection is arranged, connect tack, connect barred body connect as one consist of, wherein, connecting plush copper is to connect the top axial projection of barred body, can be connected with the groove coupling on screw inserter rotary handle, regulate direction and the position of pedicle screw by the screw inserter; The pitman lower end is for connecting the plano-convex head, can be connected with outer sleeve upper end groove coupling, being used for outer sleeve is connected with the screw inserter, consistent with the direction of outer sleeve groove by adjusting screw inserter drive nail tail groove, usually on the outer sleeve that one group of groove direction of outer vertical connecting rod insertion is consistent, the groove direction of regulating pedicle screw by the screw inserter is consistent with outer sleeve upper end groove direction, be convenient to vertical connecting rod from smooth and easy being applied in pedicle screw nail tail groove of outer sleeve lower end groove, realize the fixing purpose of disposable many nails.
The invention belongs to serial lumbar vertebra compression fracture way of escape mis instruments, be used for the operation percutaneous and insert Pedicle Screw Fixation For Treatment of Thoracolumbar Fracture, it can select medical metal material to be processed into, and preferably selects the medical stainless steel material, long service life is convenient to the Reusability of sterilizing.
Use procedure at serial apparatus: patient's general anesthesia, the patient body ventricumbent position, abdominal part is unsettled.under C arm machine, telltale mark is hindered the pedicle of vertebral arch body surface projection of vertebra and up and down vertebra thereof, along the conventional entry point center pillar to the vertebral body that punctures, insert three pieces of guide pins, the lower definite guide pin of C shape arm perspective position is good, centered by every piece of guide pin, do longitudinal incision, be about 1.5 cm, cut skin and deep fascia, use the designed cartridge system of expanding sheath step by step of the present invention, by thin to passivity expansion paraspinal muscle step by step successively slightly, adjust sleeve pipe, make all sleeve pipes groove suitable for reading of a side be in same straight line (under sleeve pipe, port recess also is in same straight line at this moment), use Kirschner wire and fix all sleeves in the transverse process root of place vertebral body, take out all the other sleeves in outer sleeve, use hollow screw tap tapping along guide pin, screw openings device opening, on vertebra, the designed screw inserter of the next vertebral body use is screwed into common pedicle screw hindering, hinder vertebra and be screwed into Universal pedicle screw, re-use connecting bar (or claiming connection handle) and adjust one by one the direction of the U-shaped groove of pedicle screw nail tail, make the complete sleeve slot opening of itself and adjusted direction consistent.Selecting appropriate length angle hold-down bars is vertical connecting rod, by hindering the skin incision of the upper vertebral body screw of vertebra, pastes vertebral plate and interts one by one to the next screw, and traction patient spinal column struts, locks hold-down bars.Prepare implant bed between vertebral plate with the dentation curet, Trephine for spondylopathy Wicresoft takes from the body ilium, utilize Wicresoft's pressurization bone grafting instrument capable after outside bone grafting.Find to have outstanding effect through clinical practice, for example: Minimally Invasive Surgery apparatus of the present invention, do not need to use the screw of particular design in use, the screw with U-shaped groove structure that all conventional therapies use all can support the use with this apparatus.
Wicresoft of the present invention fracture fixation multi-segmental is put the nail device and has been solved for a long time that the operation for thoracolumbar fractures wound is large, the time long, the patient suffering is large, burden heavily waits problem, this apparatus can facilitate inserting of screw, utilize pitman can make screw inserter and screw nail tail groove realize the adjustment of integration direction, greatly facilitate the importing of vertical connecting rod; The use of this mis instruments, greatly reduce operating time, perspective number of times, amount of bleeding and infect probability, reducing the complication such as the iatrogenic lumbago and backache of postoperative, second day after operation just can be walked with descending, evident in efficacy, be desirable treatment lumbar vertebra compression fracture special use put the supporting apparatus of tack operation.
Description of drawings
Fig. 1: Wicresoft's fracture fixation multi-segmental is put nail device structural representation
Fig. 2: Wicresoft's fracture fixation multi-segmental is put the nail device and is revolved the bar structure schematic diagram
Fig. 3: B-B sectional structure schematic diagram in Fig. 2
Fig. 4: Fig. 1 middle sleeve sectional structure schematic diagram
Fig. 5: the left TV structure schematic diagram of Fig. 4 middle sleeve
Fig. 6: I structure for amplifying schematic diagram in Fig. 4
Fig. 7: Tiebar structure schematic diagram in Fig. 4
Fig. 8: connection handle structural representation
Fig. 9: connection handle plan structure schematic diagram
Figure 10: the right TV structure schematic diagram of connection handle
In figure:
1-revolves the location rod, 2-revolves excellent groove, 3-pull bar, 4-sleeve, 5-sleeve external screw thread, 6-chock plug, 7-pull bar hollow, 8-connection button, 9-connection handle bar, 10-handle union joint.
The specific embodiment
Further illustrate by reference to the accompanying drawings combinative structure of the present invention:
It is by sleeve 4, handle, pull bar 3, chock plug 6, connection handle 8 that Wicresoft's fracture fixation multi-segmental is as shown in the figure put the nail device, revolve rod, trocar sheath consists of, wherein, pull bar is the hollow bar, handle and chock plug are connected to the two ends of pull bar, handle can or be fixedly connected with the pull bar activity, chock plug is fixedly connected with pull bar, and chock plug is directly filled in the groove of screw nail afterbody.Described connecting bar be have connect plush copper, connect tack, connect barred body connect as one consist of, wherein, connecting plush copper is to connect the top axial projection of barred body, can be connected with the groove coupling on screw inserter rotary handle, regulate direction and the position of pedicle screw by the screw inserter; The pitman lower end is for connecting the plano-convex head, can be connected with outer sleeve upper end groove coupling, is connected with the screw inserter for outer sleeve.Described screw refers to pedicle screw, to have nail bar, nail tip section, nail afterbody to consist of, it is to be connected with nail tip section, nail afterbody respectively at the two ends of nail bar, wherein, nail is threaded on bar, and nail tip section leaves spur, the female groove of nail the foot section brought, this groove can be filled in the chock plug of screw inserter or run through the screw vertical connecting rod, the direction of adjustment screw and location, and screw is accurately located and is inserted.Matching used screw openings device is to be made of rose bit bar, reaming conehead, handle etc. with it, it is to connect respectively handle and reaming conehead at the two ends of rose bit bar, and wherein, the reaming conehead is by the drill bit with little tooth, be used for boring the particle that opens seam, hollow screw tap accurately gets out screw thread; Handle is movable with the rose bit bar or be fixedly connected with, and the rose bit bar is the hollow bar.Matching used hollow screw tap is to be made of screw tap bar, tap holder, handle with it, it is at the two ends of screw tap bar difference connecting filament tap holder and handle, wherein, the screw tap bar is outer with the thread road, the screw tap bar is the hollow bar, screw tap bar and tap holder are connected as a single entity, and tap holder is the drill bit shape, and handle is movable with the screw tap bar or be fixedly connected with.Matching used open mouth tongs are made of left and right clamp piece, adjusting nut, adjusting screw(rod), pin, movable latch with it, and wherein, the left and right clamp piece all leaves half round cut take pin as fulcrum on two binding clips.Above-mentioned apparatus preferably selects medical macromolecular materials or medical metal material or stainless steel material to be processed into.
Claims (2)
1. Wicresoft's fracture fixation multi-segmental is put the nail device, it is characterized in that by sleeve, handle, pull bar, chock plug, connection handle, revolve rod, trocar sheath consists of, wherein, pull bar is the hollow bar, handle and chock plug are connected to the two ends of pull bar, handle can or be fixedly connected with the pull bar activity, and chock plug is fixedly connected with pull bar, and chock plug is directly filled in the groove of screw nail afterbody.
2. Wicresoft as claimed in claim 1 fracture fixation multi-segmental is put the nail device, it is characterized in that above-mentioned apparatus is to be made by medical macromolecular materials or medical metal material or stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102296218A CN103126757A (en) | 2009-09-29 | 2010-09-03 | Minimally invasive fracture fixation multi-section screw fixation device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910019532.9 | 2009-09-29 | ||
| CN200910019532 | 2009-09-29 | ||
| CN2012102296218A CN103126757A (en) | 2009-09-29 | 2010-09-03 | Minimally invasive fracture fixation multi-section screw fixation device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102713109A Division CN101912300B (en) | 2009-09-29 | 2010-09-03 | Multi-section device for fixing and imbedding vertebral pedicle screws used in minimally invasive thoracolumbar vertebrae fractures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103126757A true CN103126757A (en) | 2013-06-05 |
Family
ID=43320068
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102296218A Pending CN103126757A (en) | 2009-09-29 | 2010-09-03 | Minimally invasive fracture fixation multi-section screw fixation device |
| CN2010102713109A Expired - Fee Related CN101912300B (en) | 2009-09-29 | 2010-09-03 | Multi-section device for fixing and imbedding vertebral pedicle screws used in minimally invasive thoracolumbar vertebrae fractures |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102713109A Expired - Fee Related CN101912300B (en) | 2009-09-29 | 2010-09-03 | Multi-section device for fixing and imbedding vertebral pedicle screws used in minimally invasive thoracolumbar vertebrae fractures |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103126757A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247201B (en) * | 2011-08-12 | 2012-10-31 | 贺新宁 | Percutaneous minimally invasive pedicle screw/rod internal fixation system |
| CN104665920B (en) * | 2015-03-30 | 2017-03-15 | 蔡鸿敏 | A kind of passage preparation tool of pelvis crista iliaca external fixing rack screw |
| CN105596077A (en) * | 2016-02-06 | 2016-05-25 | 贺新宁 | Universal screw-setting device for pedicle screw |
| CN105816228A (en) * | 2016-02-26 | 2016-08-03 | 邓宇 | T-shaped fixing rod of thoracolumbar vertebral fracture posterior micro-wound screw-rod fixation percutaneous reduction system |
| CN106691525A (en) * | 2017-01-06 | 2017-05-24 | 南京市六合区人民医院 | Fixing system for transplant in anterior cruciate ligament reconstruction |
| CN109330677A (en) * | 2018-11-22 | 2019-02-15 | 自贡市第四人民医院(自贡市急救中心) | A kind of personalization atlas and axis pedicle screw navigation template device and preparation method thereof step by step |
| CN110811717B (en) * | 2019-11-01 | 2023-10-13 | 上海市第六人民医院 | Rivet assembly convenient for one-step method placement and rivet one-step method placement method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050192589A1 (en) * | 2004-02-06 | 2005-09-01 | Douglas Raymond | Devices and methods for inserting a spinal fixation element |
| US20070093824A1 (en) * | 2005-09-22 | 2007-04-26 | Hestad Hugh D | Pedicle fixation rod alignment system |
| CN101128158A (en) * | 2004-09-29 | 2008-02-20 | 新特斯有限责任公司 | Less invasive surgical system and methods |
| WO2009114422A2 (en) * | 2008-03-10 | 2009-09-17 | Depuy Spine, Inc. | Derotation instrument with reduction functionality |
| CN202761431U (en) * | 2012-07-03 | 2013-03-06 | 张强 | Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2407724Y (en) * | 1999-12-31 | 2000-11-29 | 邢台矿业(集团)有限责任公司总医院 | Stereo positioing needle for pedicle of vertebral arch |
| CN2754574Y (en) * | 2004-12-21 | 2006-02-01 | 华中科技大学同济医学院附属同济医院 | Vertebral arch screw implanting guider |
| CN201157401Y (en) * | 2008-02-25 | 2008-12-03 | 梁道臣 | Minimally invasive percutaneous transpedicular surgery positioning guide device |
| WO2009155577A2 (en) * | 2008-06-19 | 2009-12-23 | Synthes Usa, Llc | Bone screw purchase augmentation implants, systems and techniques |
| CN101327146B (en) * | 2008-07-31 | 2010-06-16 | 中国人民解放军第三军医大学第二附属医院 | Double-groove channel-to-channel connection type percutaneous vertebral pedicle screw nail internal fixation system |
-
2010
- 2010-09-03 CN CN2012102296218A patent/CN103126757A/en active Pending
- 2010-09-03 CN CN2010102713109A patent/CN101912300B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050192589A1 (en) * | 2004-02-06 | 2005-09-01 | Douglas Raymond | Devices and methods for inserting a spinal fixation element |
| CN101128158A (en) * | 2004-09-29 | 2008-02-20 | 新特斯有限责任公司 | Less invasive surgical system and methods |
| US20070093824A1 (en) * | 2005-09-22 | 2007-04-26 | Hestad Hugh D | Pedicle fixation rod alignment system |
| WO2009114422A2 (en) * | 2008-03-10 | 2009-09-17 | Depuy Spine, Inc. | Derotation instrument with reduction functionality |
| CN202761431U (en) * | 2012-07-03 | 2013-03-06 | 张强 | Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101912300A (en) | 2010-12-15 |
| CN101912300B (en) | 2012-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1257212B1 (en) | Apparatus for providing anterior trans-sacral access to spinal vertebrae | |
| US6945974B2 (en) | Spinal stabilization implant and method of application | |
| CN103126757A (en) | Minimally invasive fracture fixation multi-section screw fixation device | |
| WO2007033583A1 (en) | A bone dilator | |
| WO2007056379A2 (en) | Application of therapy aligned to an internal target path | |
| CN105559869A (en) | Commonly-used percutaneous pedicle screw stick internal fixing system | |
| WO2005060534A3 (en) | Methods and devices for minimally invasive spinal fixation element placement | |
| CN105596077A (en) | Universal screw-setting device for pedicle screw | |
| CN202313683U (en) | Posterior thoracolumbar minimally-invasive bone cement spinal internal fixing system | |
| US20050171549A1 (en) | Apparatus and method for treating the spine | |
| CN103976779A (en) | Intervertebral foramen mirror puncturing system | |
| CN201379636Y (en) | Percutaneous puncturing spine posterior vertebral pedicle nail bar fixing system | |
| CN204600687U (en) | Thoracolumbar disk vertebroplasty Unipedicular approach positioning and guiding sting device | |
| CN102973314A (en) | Thoracolumbar spine posterior minimally invasive bone cement spine internal fixation system and application | |
| CN205493985U (en) | Pedicle of vertebral arch screw general is put to bind and is put | |
| CN202920793U (en) | Minimally invasive fixing expanding step-by-step sleeve device | |
| CN202761431U (en) | Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments | |
| CN205493979U (en) | Fixing system in general percutaneous pedicle screw stick | |
| US20110282348A1 (en) | Device for fixation of bone, and device set comprising the same | |
| CN201328874Y (en) | Minimally invasive pedicle of vertebral arch nail | |
| CN205493991U (en) | Follow closely ware on pedicle of vertebral arch screw general hollow | |
| CN108236493B (en) | Scoliosis nail stick correction support system | |
| CN201328875Y (en) | Hypodermically buried thoracolumbar screw rod reduction and fixation nail | |
| CN206896389U (en) | Scoliosis follows closely rod correction bracket system | |
| CN205126396U (en) | Ilium bone screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130605 |
|
| RJ01 | Rejection of invention patent application after publication |