CN203790023U - Self-destruction type centrum shaper - Google Patents
Self-destruction type centrum shaper Download PDFInfo
- Publication number
- CN203790023U CN203790023U CN201420108911.1U CN201420108911U CN203790023U CN 203790023 U CN203790023 U CN 203790023U CN 201420108911 U CN201420108911 U CN 201420108911U CN 203790023 U CN203790023 U CN 203790023U
- Authority
- CN
- China
- Prior art keywords
- self
- destruction
- bar
- pipe
- vertebral body
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model relates to a self-destruction type centrum shaper. The self-destruction type centrum shaper comprises an instrument part, an implantation bar is connected to the instrument part, and the instrument part is provided with a handle. The self-destruction type centrum shaper is characterized in that a limit spring is arranged in the instrument part, the instrument part further comprises an imbedding pipe, and the imbedding pipe is connected with a guide tube. Meanwhile, a catheter is arranged in the guide pipe, an imbedding rod is arranged in the imbedding pipe in a penetrating mode, the guide pipe is connected with a self-destruction mechanism, and the self-destruction mechanism is connected with a self-destruction rod. In addition, a self-destruction block is distributed at one end of the self-destruction rod, a guide groove is formed in the inner wall of the guide pipe, the self-destruction rod and the self-destruction block are installed in the guide groove, and the limit spring is arranged between the self-destruction rod and the self-destruction block, so that a contact preventing interval is formed. Thus, due to cooperation of the instrument part and the implantation bar, centrum shaping is effectively carried out. By the adoption of the self-destruction mechanism, repeated use can be avoided, and the possibility of disease spreading is avoided. In addition, the self-destruction type centrum shaper is simple in overall structure, easy to manufacture, assemble and use, and convenient to popularize.
Description
Technical field
This utility model relates to a kind of shaping utensil, relates in particular to a kind of type self-destroyed vertebral body shaper.
Background technology
Vertebroplasty is a kind of new minimally invasive spine surgical, be mainly used in treating the illness such as osteoporosis Vertebral Compression shape fracture, former of vertebral body or metastatic tumo(u)r and control, the main technical approach that adopts has at present: 1. liquid object is injected and comprised not revivable bone cement and revivable pulp etc.Whether bone cement injection struts and can be divided into percutaneous vertebroplasty and Kyphoplasty according to vertebral body, and the former injects bone cement under the condition of high pressure in the vertebral body without space; The latter produces cavity by bone dilator at vertebral body intramedullary expansion, and under low-pressure, to the empty intracavitary administration bone cement of vertebral body, seepage is limited to.Liquid injection is difficult to avoid risk of leakage undoubtedly: (1) enters canalis spinalis and nerve root canal may cause spinal nerves compression to cause paralysis to vertebral body rear seepage; (2) fatal pulmonary embolism, may be injected and to be caused that vertebral body internal pressure changes and cause due to fat embolism by bone cement.2. solids is implanted, will not revivable expandable metal implant by vertebral plasty apparatus or revivable non metal implant implantation vertebral body in, as vertebral body pillar piece etc.Obviously, solids is implanted and not to be had risk of leakage, represents the direction of Future Development, but be applied to the vertebral body shaper that solids implants, has more tube chamber and gap, cleans more difficultly, and repeated application may exist the risk of pathophoresis.
In view of this, urgently for above-mentioned technical problem, need to provide a kind of type self-destroyed vertebra former, to keep operation safety, improve the convenient degree of using, improve therapeutic effect simultaneously.
Utility model content
The purpose of this utility model is exactly in order to solve the above-mentioned problems in the prior art, and a kind of type self-destroyed vertebral body shaper is provided.
The purpose of this utility model is achieved through the following technical solutions:
Type self-destroyed vertebral body shaper, include apparatus portion, in described apparatus portion, be connected with and implant rod, in described apparatus portion, be provided with handle, wherein: in described apparatus portion, be provided with limit spring, described apparatus portion also includes inserts pipe, described inserting is connected with guide pipe on pipe, in described guide pipe, be provided with conduit, described inserting in pipe is equipped with and inserts bar, on described conduit, be connected with self-destructor, on described self-destructor, be connected with self-destruction bar, described self-destruction bar one end is distributed with self-destruction piece, described pipe inner wall is provided with guide groove, described self-destruction bar and self-destruction piece are all installed in guide groove, between self-destruction bar and self-destruction piece, be provided with limit spring, form anti-contactinterval.
Further, above-mentioned type self-destroyed vertebral body shaper, wherein: described self-destructor includes ratchet, described ratchet is engaged with and advances ratchet and crevis, and described propelling ratchet is connected with back-moving spring and main torsion spring, is connected with secondary torsion spring on described crevis, on described ratchet, be connected with and advance cover, described propelling puts and is connected with drive link, on described drive link, is connected with driving lever, is connected with time torsion spring on described driving lever.
Further, above-mentioned type self-destroyed vertebral body shaper, wherein: described ratchet is provided with female thread, described propelling cover is provided with external screw thread, and described female thread, external screw thread move towards to distribute corresponding.
Further, above-mentioned type self-destroyed vertebral body shaper, wherein: the head end of described self-destruction bar is provided with inclined-plane, described inclined-plane contacts with self-destruction piece, on described inclined-plane, is provided with tooth, and described self-destruction piece is also provided with the tooth of corresponding engagement.
Further, above-mentioned type self-destroyed vertebral body shaper, wherein: described catheter proximal end both sides are equipped with opening, and the head end of described conduit is provided with limiting plate.
Further, above-mentioned type self-destroyed vertebral body shaper, wherein: the rear end of described guide pipe is provided with spacing adjustment seat, in described spacing adjustment seat, be connected with spacing adjustment seat described in adjustable pipe and be outside equipped with screw thread, in adjustable pipe, be provided with corresponding with it screw thread, spacing adjustment seat is threaded with adjustable pipe.
Further, above-mentioned type self-destroyed vertebral body shaper, wherein: the excellent front end of described implantation is provided with plane, and the rear end of described implantation rod is distributed with tapered slope.
Again further, above-mentioned type self-destroyed vertebral body shaper, wherein: the described bar of inserting is that tack is inserted bar, and described tack is inserted bar front end and is distributed with plane, or inserting bar is that conical head is inserted bar, it is conical configuration that described conical head is inserted bar front end.
The advantage of technical solutions of the utility model is mainly reflected in: rely on a kind of apparatus portion of type self-destroyed vertebral body shaper and implant rod, can effectively carry out vertebral plasty.Meanwhile, type self-destroyed vertebral body shaper can prevent from reusing, and avoids pathophoresis possibility.Moreover the present invention constructs rationally, grasp easyly, be convenient to promote the use of.
Accompanying drawing explanation
The purpose of this utility model, advantage and disadvantage, the non-limitative illustration by preferred embodiment below is for illustration and explanation.
Fig. 1 is the assembling profile construction schematic diagram of type self-destroyed vertebral body shaper.
Fig. 2 is the side surface configurations schematic diagram of type self-destroyed vertebral body shaper.
Fig. 3 is the organigram of overlooking of type self-destroyed vertebral body shaper.
Fig. 4 is that tack is inserted bar organigram.
| 1 | Apparatus portion | 2 | Implant rod |
| 3 | Guide pipe | 4 | Insert pipe |
| 5 | Insert bar | 6 | Conduit |
| 7 | Self-destructor | 8 | Handle |
| 9 | Opening | 10 | Limiting plate |
| 11 | Guide groove | 12 | Ratchet |
| 13 | Advance ratchet | 14 | Main torsion spring |
| 15 | Back-moving spring | 16 | Crevis |
| 17 | Secondary torsion spring | 18 | Drive link |
| 19 | Driving lever | 20 | Inferior torsion spring |
| 21 | Advance cover | 22 | Self-destruction bar |
| 23 | Limit spring | 24 | Self-destruction piece |
| 25 | Inclined-plane | 26 | Main tooth |
| 27 | Secondary tooth | 28 | Plane |
| 29 | Tapered slope | 30 | Tack is inserted bar |
| 31 | Conical head is inserted bar | 32 | Conical configuration |
The specific embodiment
Type self-destroyed vertebral body shaper as shown in Fig. 1～4, include apparatus portion 1, in apparatus portion 1, be connected with and implant rod 2, consider the facility of operation, in apparatus portion 1, be provided with handle 8, its unusual part is: in the apparatus portion 1 that this utility model adopts, be provided with limit spring 23, this apparatus portion 1 also includes inserts pipe 4.Specifically, for the ease of carrying out correct guiding, guarantee to implement smoothly, be connected with guide pipe 3 inserting on pipe 4, in this guide pipe 3, be provided with conduit 6.Simultaneously, insert in pipe 4 and be equipped with and insert bar 5, on described conduit 6, be connected with self-destructor 7, on described self-destructor 7, be connected with self-destruction bar 22, described self-destruction bar 22 one end are distributed with self-destruction piece 24, and described conduit 6 inwalls are provided with guide groove 11, and described self-destruction bar 22 is all installed in guide groove 11 with self-destruction piece 24, between self-destruction bar 22 and self-destruction piece 24, be provided with limit spring 23, form anti-contactinterval.And, rely on the existence of limit spring 23, can effectively prevent that self-destruction bar 22 from directly contacting with self-destruction piece 24, there will not be false triggering.
With regard to this utility model one embodiment preferably, in order to realize effective self-destruction, and use procedure gathers and there will not be false triggering, and the self-destructor 7 of employing includes ratchet 12.Specifically, the ratchet 12 of employing is engaged with and advances ratchet 13 and crevis 16.Corresponding with it, advance ratchet 13 to be connected with back-moving spring 15 and main torsion spring 14, and on crevis 16, be connected with secondary torsion spring 17.Meanwhile, on ratchet 12, be connected with and advance cover 21.And, for and be convenient to realize stable transmission, be connected with drive link 18 advancing on cover 21, on drive link 18, be connected with driving lever 19, on driving lever 19, be connected with time torsion spring 20.Moreover, in order to realize effectively, be threaded, meet the position adjustments needs that ratchet 12 advances cover 21, this utility model is provided with female thread at ratchet 12.Meanwhile, advance cover 21 to be provided with external screw thread, and female thread, external screw thread move towardss the correspondence that distributes.
Like this, when reality is used, first by two, take root in rod 2 and be placed into and insert in pipe 4, allow and insert bar 5 and enter and insert in pipe 4 once, promote drive link 18 and drive driving levers 19.Afterwards, driving lever 19 drives and advances ratchets 13, advances ratchet 13 to drive that ratchet 12 is corresponding to turn an angle, and completes two and takes root in into rod 2 and insert.Meanwhile, ratchet 12 also drives and advances cover 21 one-directional rotation certain angles, self-destruction bar 22 decline certain distances.Then, exit and insert bar 5, main torsion spring 14 and back-moving spring 15, secondary torsion spring 17, inferior torsion spring 20 reset drive link 18.So circulation, can complete and take root in excellent 2 insert and realize vertebral plasty more.
Further, in order to promote self-destruction effect, the head end of self-destruction bar 22 is provided with inclined-plane 25, and inclined-plane 25 contacts with self-destruction piece 24, is provided with main tooth 26 on inclined-plane 25, makes self-destruction piece 24 also be provided with the secondary tooth 27 of corresponding engagement.Like this, when needs carry out self-destruction, self-destruction bar 22 constantly declines, the inclined-plane 25 of its head end first contacts with self-destruction piece 24, the main tooth 26 of self-destruction bar 22 secondary tooth 27 engagements corresponding with self-destruction piece 24 subsequently, self-destruction piece 24 is pushed in conduit 6, makes drive link 18 not work on, and this vertebral body shaper is realized self-destruction and cannot be reused.
Again further, for the ease of using, be convenient to vertebral plasty, the conduit 6 front end both sides of employing are equipped with opening 9, and the head end of conduit 6 is provided with limiting plate 10.Meanwhile, in order to meet the location of guide pipe 3, carry out effective position adjustments, improve service precision, the rear end of guide pipe 3 is provided with spacing adjustment seat, is connected with spacing adjustment seat described in adjustable pipe and is outside equipped with screw thread in spacing adjustment seat.Meanwhile, be provided with corresponding with it screw thread in adjustable pipe, spacing adjustment seat is threaded with adjustable pipe.Like this, in the time of practical operation, the position of adjusting adjustable pipe can change the length of guide pipe 3, to control, inserts the degree of depth that pipe 4 enters vertebral body.
Meanwhile, consider easy-to-usely, carry out effectively correct implantation, the front end of implanting rod 2 is provided with plane 28, and the rear end of implanting rod 2 is distributed with tapered slope 29.And, easy-to-use in order to insert, the bar 5 of inserting that this utility model adopts is inserted bar 30 for tack, and tack is inserted bar 30 front ends and is distributed with plane 28.Or, consider different use needs, can also be to insert bar 5 to insert bar 31 for conical head, it is conical configuration 32 that conical head is inserted bar 31 front ends.
By above-mentioned character express, can find out, adopt after this utility model, by apparatus portion and the excellent cooperation of implantation, effectively carry out vertebral plasty.What is more important, has adopted self-destructor can prevent from reusing, and avoids pathophoresis possibility.And this utility model unitary construction is simple, be easy to manufacture assembling and use, be convenient to promote.
These embodiment are only the prominent examples of application technical solutions of the utility model, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming, within all dropping on the claimed scope of this utility model.
Claims (8)
1. type self-destroyed vertebral body shaper, include apparatus portion, in described apparatus portion, be connected with and implant rod, in described apparatus portion, be provided with handle, it is characterized in that: in described apparatus portion, be provided with limit spring, described apparatus portion also includes inserts pipe, described inserting is connected with guide pipe on pipe, in described guide pipe, be provided with conduit, described inserting in pipe is equipped with and inserts bar, on described conduit, be connected with self-destructor, on described self-destructor, be connected with self-destruction bar, described self-destruction bar one end is distributed with self-destruction piece, described pipe inner wall is provided with guide groove, described self-destruction bar and self-destruction piece are all installed in guide groove, between self-destruction bar and self-destruction piece, be provided with limit spring, form anti-contactinterval.
2. type self-destroyed vertebral body shaper according to claim 1, it is characterized in that: described self-destructor includes ratchet, described ratchet is engaged with and advances ratchet and crevis, described propelling ratchet is connected with back-moving spring and main torsion spring, on described crevis, be connected with secondary torsion spring, be connected with and advance cover on described ratchet, described propelling puts and is connected with drive link, on described drive link, be connected with driving lever, on described driving lever, be connected with time torsion spring.
3. type self-destroyed vertebral body shaper according to claim 2, is characterized in that: described ratchet is provided with female thread, and described propelling cover is provided with external screw thread, and described female thread, external screw thread move towards to distribute corresponding.
4. type self-destroyed vertebral body shaper according to claim 1, is characterized in that: the head end of described self-destruction bar is provided with inclined-plane, and described inclined-plane contacts with self-destruction piece, on described inclined-plane, is provided with tooth, and described self-destruction piece is also provided with the tooth of corresponding engagement.
5. type self-destroyed vertebral body shaper according to claim 1, is characterized in that: described catheter proximal end both sides are equipped with opening, and the head end of described conduit is provided with limiting plate.
6. type self-destroyed vertebral body shaper according to claim 1, it is characterized in that: the rear end of described guide pipe is provided with spacing adjustment seat, in described spacing adjustment seat, be connected with spacing adjustment seat described in adjustable pipe and be outside equipped with screw thread, in adjustable pipe, be provided with corresponding with it screw thread, spacing adjustment seat is threaded with adjustable pipe.
7. type self-destroyed vertebral body shaper according to claim 1, is characterized in that: the excellent front end of described implantation is provided with plane, and the rear end of described implantation rod is distributed with tapered slope.
8. type self-destroyed vertebral body shaper according to claim 1, it is characterized in that: the described bar of inserting is that tack is inserted bar, described tack is inserted bar front end and is distributed with plane, or inserting bar is that conical head is inserted bar, and it is conical configuration that described conical head is inserted bar front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108911.1U CN203790023U (en) | 2014-03-11 | 2014-03-11 | Self-destruction type centrum shaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108911.1U CN203790023U (en) | 2014-03-11 | 2014-03-11 | Self-destruction type centrum shaper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203790023U true CN203790023U (en) | 2014-08-27 |
Family
ID=51372305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420108911.1U Withdrawn - After Issue CN203790023U (en) | 2014-03-11 | 2014-03-11 | Self-destruction type centrum shaper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203790023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905867A (en) * | 2014-03-11 | 2015-09-16 | 苏州点合医疗科技有限公司 | Self-destroying type vertebroplasty device |
-
2014
- 2014-03-11 CN CN201420108911.1U patent/CN203790023U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905867A (en) * | 2014-03-11 | 2015-09-16 | 苏州点合医疗科技有限公司 | Self-destroying type vertebroplasty device |
| CN104905867B (en) * | 2014-03-11 | 2017-08-01 | 苏州点合医疗科技有限公司 | A kind of type self-destroyed vertebral body shaper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2721962C (en) | Posterior spinal fastener | |
| CN104010594A (en) | Surgical implants for percutaneous lengthening of spinal pedicles to correct spinal stenosis | |
| CN206675592U (en) | A kind of neck of femur puts nail servicing unit | |
| CN201701281U (en) | Intervertebral bone grafting apparatus | |
| CN102389327A (en) | Hand-operated pediculus arcus vertebrae opening drill | |
| CN203790023U (en) | Self-destruction type centrum shaper | |
| CN202892068U (en) | Superposition type full-height vertebrae former | |
| CN103767779B (en) | A kind of superposing type full-height vertebral body shaper | |
| CN202263046U (en) | Tibial interlocking intramedullary nail | |
| CN202096280U (en) | Bone grafting instrument for fractured vertebra | |
| CN201684011U (en) | Percutaneous minimally invasive lumber vertebral pedicle screw fixing system and matching machine | |
| CN104905867A (en) | Self-destroying type vertebroplasty device | |
| CN203609488U (en) | Non-leakage baffle type vertebral plastic device | |
| CN204306892U (en) | A kind of pedicle screw trajectory infusion device and pedicle screw trajectory local strengthening assembly | |
| CN204181703U (en) | Miniature isthmus bursts apart fixing head | |
| CN204446072U (en) | A kind of intervertebral space elasticity struts inner fixing device | |
| CN204133588U (en) | A kind of pedicle of vertebral arch button | |
| CN101999923A (en) | End plate leverage restorer for thoracic-lumbar vertebra reposition enchevillement bone-graft operation | |
| CN104665899B (en) | A kind of ne-leakage baffle-type vertebral body shaper | |
| CN206381262U (en) | A kind of intervertebral bone grafting apparatus | |
| CN219000513U (en) | Modular series of pedicle screws | |
| CN204698760U (en) | A kind of Invasive lumbar fusion device | |
| CN103126756B (en) | Posterior pelvic ring fracture minimally-invasive fixator | |
| CN109938819A (en) | Pedicle screw | |
| CN203763231U (en) | Sacroiliac joint screw three-dimensional positioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20170801 |
|
| AV01 | Patent right actively abandoned |