CN202761431U - Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments - Google Patents
Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments Download PDFInfo
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- CN202761431U CN202761431U CN 201220319975 CN201220319975U CN202761431U CN 202761431 U CN202761431 U CN 202761431U CN 201220319975 CN201220319975 CN 201220319975 CN 201220319975 U CN201220319975 U CN 201220319975U CN 202761431 U CN202761431 U CN 202761431U
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- bolt
- imbedding
- minimally invasive
- screw
- chock plug
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Abstract
The utility model discloses a minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments. The minimally invasive fracture bolt-imbedding machine capable of fixing the multiple segments is composed of a sleeve cylinder, a hand shank, a pull rod, a chock plug, a connection handle, a rotating stick and an outer sleeve pipe, wherein the pull rod is a hollow core rod, the hand shank and the chock plug are respectively connected on two ends of the pull rod, and the hand shank can be movably or fixedly connected with the pull rod. The chock plug is fixedly connected with the pull rod, and the chock plug is directly plugged in a groove of the tail portion of a bolt. The minimally invasive fracture bolt-imbedding machine capable of fixing the multiple segments has the advantages of being simple in structure, simple in operation, convenient to operate, accurate in positioning, stable in bolt embedding, good in curative effect, low in cost, capable of being embedded with multiple bolts, fixed on time and the like. A thoracolumbar vertebral fracture back way percutaneous bolt-imbedding technology is adopted to research and develop a matched bolt imbedding minimally invasive instrument, the technology of fixing multiple segments of vertebral bodies by a common pedicle bolt is achieved, the accuracy of bolt imbedding is improved, trauma area is reduced, and treatment is effective. The minimally invasive fracture bolt-imbedding machine overcomes the difficulty of the bolt imbedding of a minimally invasive surgery, reduces iatrogenic injuries, enables bone grafting and the imbedding of a built-in object to be convenient, saves surgery time and cost, is an ideal bolt-imbedding operation matched instrument specialized in treating the thoracolumbar vertebral fracture.
Description
Technical field
It is medical apparatus and instruments that this utility model relates to, and more particularly is 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 the superiority of three posts aspect fixing, uses increasingly generally, but conventional therapy is inserted pedicle screw employing Posterior midline approach, peels off to both sides, wound large, hemorrhage many, the hospital stays is long; Need extensively peel off paraspinal muscle in the 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 widely concern.But insert in the 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 (such 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 make things convenient for the screw in the 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 the 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 utility model 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 the 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 the use; Chock plug is fixedly connected with pull bar, and chock plug is directly filled in the groove of screw nail afterbody, and the direction of U-shaped groove is consistent on regulating nail tail groove direction and the outer sleeve, makes things convenient for 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 the pull bar, revolve rod can be on pull bar rotary moving, the adjusting yoke axial location; Between pull bar and chock plug, leave one group of fixing external screw thread, can be connected with the female thread coupling that screw is followed closely afterbody, in putting the nail process, be convenient to position and the direction of adjustment screw; Connection handle is fixed on pull bar upper end, leaves groove on the connection handle and interlocks with the tongue coupling that connects on the rod, is convenient to when putting nail internally position and the direction of adjustment screw; Jacket casing is buckled in outside the 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 the 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 outer vertical connecting rod is inserted on the consistent outer sleeve of one group of groove direction, 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 and be applied in the pedicle screw nail tail groove from outer sleeve lower end groove is smooth and easy, realize the fixing purpose of disposable many nails.
This utility model 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.Telltale mark is hindered vertebra and the pedicle of vertebral arch body surface projection of vertebra up and down thereof under the C arm machine, along the conventional entry point center pillar to the vertebral body that punctures, insert three pieces of guide pins, the lower definite guide pin position of C shape arm perspective 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 step by step expanding sheath cartridge system of the present invention, adjust sleeve pipe by thin to passivity expansion paraspinal muscle step by step successively slightly, make all sleeve pipes groove suitable for reading of a side be in same straight line (this moment sleeve pipe under port recess also be in same straight line), use Kirschner wire and fix all sleeves in the transverse process root of place vertebral body, take out all the other sleeves in the outer sleeve, use hollow screw tap tapping along guide pin, screw openings device opening, use designed screw inserter to be screwed into common pedicle screw hindering on the vertebra the next vertebral body, hinder vertebra and be screwed into Universal pedicle screw, re-use the direction that connecting bar (or claiming connection handle) is adjusted the U-shaped groove of pedicle screw nail tail one by one, 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 the 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 utility model 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 make things convenient for inserting of screw, utilize pitman can make screw inserter and screw nail tail groove realize the adjustment of integration direction, greatly make things convenient for 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, reduce 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 sketch map
Fig. 3: B-B sectional structure sketch map among Fig. 2
Fig. 4: Fig. 1 middle sleeve sectional structure sketch map
Fig. 5: the left TV structure sketch map of Fig. 4 middle sleeve
Fig. 6: I structure for amplifying sketch map among Fig. 4
Fig. 7: Tiebar structure sketch map among Fig. 4
Fig. 8: connection handle structural representation
Fig. 9: connection handle plan structure sketch map
Figure 10: the right TV structure sketch map of connection handle
Among the 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 specify by reference to the accompanying drawings combinative structure of the present utility model:
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 the screw inserter rotary handle, regulate direction and the position of pedicle screw by the screw inserter; The pitman lower end can be connected with outer sleeve upper end groove coupling for connecting the plano-convex head, is used for outer sleeve and is connected with the screw inserter.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, be threaded on the nail bar, 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 sides clamp piece, adjusting nut, adjusting screw(rod), pin, movable latch with it, and wherein, left and right sides 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 |
|---|---|---|---|
| CN 201220319975 CN202761431U (en) | 2012-07-03 | 2012-07-03 | Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319975 CN202761431U (en) | 2012-07-03 | 2012-07-03 | Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202761431U true CN202761431U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220319975 Expired - Fee Related CN202761431U (en) | 2012-07-03 | 2012-07-03 | Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments |
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| CN (1) | CN202761431U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126757A (en) * | 2009-09-29 | 2013-06-05 | 张强 | Minimally invasive fracture fixation multi-section screw fixation device |
| CN110811717A (en) * | 2019-11-01 | 2020-02-21 | 上海市第六人民医院 | Rivet assembly convenient to place in one-step method and rivet one-step method placing method |
-
2012
- 2012-07-03 CN CN 201220319975 patent/CN202761431U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126757A (en) * | 2009-09-29 | 2013-06-05 | 张强 | Minimally invasive fracture fixation multi-section screw fixation device |
| CN110811717A (en) * | 2019-11-01 | 2020-02-21 | 上海市第六人民医院 | Rivet assembly convenient to place in one-step method and rivet one-step method placing method |
| 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20150703 |
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| EXPY | Termination of patent right or utility model |