CN206239494U - Minimal invasion hinders vertebra reset system - Google Patents
Minimal invasion hinders vertebra reset system Download PDFInfo
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- CN206239494U CN206239494U CN201620891869.4U CN201620891869U CN206239494U CN 206239494 U CN206239494 U CN 206239494U CN 201620891869 U CN201620891869 U CN 201620891869U CN 206239494 U CN206239494 U CN 206239494U
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Abstract
What the utility model provided a kind of minimal invasion hinders vertebra reset system, including first connecting rod, two compression linkages, two strut linkage, two pairs of pedicle nails and pushing tow resetting-mechanism；Each pair pedicle nail includes the first pedicle nail and the second pedicle nail, connects the compression linkage between first pedicle nail and second pedicle nail respectively and described struts linkage；The first connecting rod is connected across between described two compression linkages, and the compression linkage is slidably connected to the end of the first connecting rod；The pushing tow resetting-mechanism is slidably mounted on the first connecting rod.The minimal invasion is hindered vertebra reset system and the front pillar of backbone and rear pillar can be strutted and/or compressed, and can realize being operated for the reset for hindering vertebra on this basis.
Description
Technical field
The utility model is related to a kind of medical treatment device, more particularly to a kind of minimal invasion hinders vertebra reset system.
Background technology
Thoracolumbar vertebral compression fracture is the common disease and frequently-occurring disease of elderly population, the incidence of disease about 10%.Existing treatment method
Respectively there are advantage and disadvantage, percutaneous vertbroplasty operation is simple, and post-operative recovery is fast, but poor to the recovery of spinal anterior approach, interior solid
Although fixed have larger advantage in terms of kyphosis deformity is corrected, for elderly patient, operation risk is higher.Therefore, it is necessary to
Find a kind of new treatment method and treat normal morphology that is not only minimally invasive but also can effectively recovering centrum, correct spinal anterior approach.
A kind of Spondylitis ankylosing frame fixed system joint vertebroplasty new modus operandi for thoracolumbar fracture is provided.
Magerl application Spondylitis ankylosing technologies first treat thoracolumbar fracture within 1977, but because of complex structure, it is clinical difficult
To promote.1994, Xu Youjia etc. proceeded by Spondylitis ankylosing correlative study, does not obtain greater advance.Wang Wenjun in 2006
Deng the principle based on Magerl external fixing racks, improved with modern pedicle of vertebral arch technology, treated a collection of patient, expired
The curative effect of meaning, but clinical expansion is still difficult, and reason is that its design concept is remained in 4 traditional nail distraction reduction theories,
Mechanics design is not very reasonable.With the continuous renewal of modern restoring backbone theory, corpus vertebrae replacement is carried out using hindering vertebra and putting nail, be to work as
Preceding reduction of the fracture theory the most rational, meets the biomechanical principle of vertebral fracture.Therefore, design a based on percutaneous vertebral body
Put nail technology and hinder vertebra reset theory, simple and easy to do corpus vertebrae replacement system, to improving clinical efficacy, reduces the wound of patient
Wound, improves economic results in society significant.
The content of the invention
In order to solve the above technical problems, the purpose of this utility model is the vertebra reset of hindering for providing a kind of minimal invasion being
System, the minimal invasion is hindered vertebra reset system and the front pillar of backbone and rear pillar can be strutted and/or compressed, and can be at this
On the basis of realize for hinder vertebra reset operate, be conducive to bringing safely and effectively medical effect.
Based on this, vertebra reset system, including first connecting rod, two pressures are hindered the utility model proposes a kind of minimal invasion
Contracting linkage, two strut linkage, two pairs of pedicle nails and pushing tow resetting-mechanism；Each pair pedicle nail includes the
One pedicle nail and the second pedicle nail, the pressure is connected between first pedicle nail and second pedicle nail respectively
Contracting linkage and described strut linkage；The first connecting rod is connected across between described two compression linkages, and institute
State the end that compression linkage is slidably connected to the first connecting rod；The pushing tow resetting-mechanism is slidably mounted in
On the first connecting rod.
Optionally, the compression linkage is located at the top for strutting linkage, the two ends of the first connecting rod
Described two compression linkages are connected respectively.
Optionally, the compression linkage includes second connecting rod and two compression connectors, and the second connecting rod passes through
First sliding block is connected with the first connecting rod, and the second connecting rod is perpendicular with the first connecting rod, and described two compressions connect
The two ends that device is respectively slidably connected to the second connecting rod are connect, the pedicle nail is arranged in the compression connector.
Optionally, first sliding block includes top layer part and underlying component, and the top layer part is provided with two first and leads to
Hole, the quantity of the first connecting rod is set to two, and two first connecting rods are each passed through described two first through hole, the bottom
Part is provided with perforation, and the central axis of the central axis of the perforation and the through hole is perpendicular, and the second connecting rod passes through institute
State perforation.
Optionally, connect and can relatively rotate by stud fastener between the top layer part and the underlying component,
And be provided with stria between the top layer part and the underlying component, the two ends of the stria respectively with described two first through hole
Communicate, the stud fastener passes perpendicularly through the stria；The underlying component is provided with the first lockhole, is set on first lockhole
It is equipped with the first lock screw being matched therewith.
Optionally, the compression connector includes the first connecting cylinder, the second connecting cylinder and the first mounting cylinder, and described first connects
Connect jacket casing and be connected to the second connecting rod periphery, second connecting cylinder is connected with first connecting cylinder, and described second connects
The central axis upright of cylinder is connect in the central axis of first connecting cylinder, first mounting cylinder is connected with the first connecting shaft,
The axial direction of first connecting shaft is perpendicular with the central axis of first mounting cylinder, the second connecting cylinder socket described first
Connecting shaft, the pedicle nail is passed through and passed through between first mounting cylinder, and the pedicle nail and first mounting cylinder
Threaded connection.
Optionally, stop nut is provided with above first mounting cylinder, the stop nut is socketed on the pedicle of vertebral arch
Periphery is followed closely, and the stop nut is connected through a screw thread with the pedicle nail.
Optionally, the linkage that struts struts connector including third connecting rod and two, described two to strut connection
Device is respectively slidably connected to the two ends of the third connecting rod, and the pedicle nail is also arranged in described in strutting connector.
Optionally, the connector that struts includes the 3rd connecting cylinder, the 4th connecting cylinder and the second mounting cylinder, and the described 3rd connects
Jacket casing is connect located at the third connecting rod periphery, the 3rd connecting cylinder is connected with the 4th connecting cylinder, and the described 3rd connects
Connect cylinder central axis and the 4th connecting cylinder central axis it is perpendicular, second mounting cylinder is connected with the second connection
Axle, and second connecting shaft the central axis for being axially perpendicular to second mounting cylinder, the 4th connecting cylinder with it is described
Second connecting shaft is socket-connected, and first mounting cylinder and second mounting cylinder are communicated, and the length of first mounting cylinder is big
In the length of second mounting cylinder, the pedicle nail sequentially passes through first mounting cylinder and second mounting cylinder.
Optionally, first connecting cylinder, second connecting cylinder, the 3rd connecting cylinder and the 4th connecting cylinder point
The second lockhole is not provided with, and the second lock screw coordinated with it is provided with second lockhole.
Optionally, the pedicle nail includes root nail head and root nail afterbody, and described nail head is pyrometric cone tip, institute
It is in hexagonal column to state root nail afterbody；Position of the pedicle nail between described nail head and described nail afterbody is provided with the
One external screw thread, the pedicle nail is connected through a screw thread with the compression linkage.
Optionally, the pushing tow resetting-mechanism is installed on the first connecting rod by the second sliding block, and the pushing tow resets
Mechanism includes sleeve pipe and interior core needle, and the interior core needle passes through described sleeve pipe, described sleeve pipe to pass through second sliding block, and the set
The outer wall of pipe is provided with the second external screw thread, is connected through a screw thread between described sleeve pipe and second sliding block.
Optionally, second sliding block is provided with two the second through holes, and the quantity of the first connecting rod is set to two, this two
First connecting rod is each passed through described two second through holes.
Optionally, described sleeve pipe includes rotating handles, and the rotating handles is located at the top of described sleeve pipe.
Implement the utility model embodiment, have the advantages that：
The vertebra reset system of hindering of minimal invasion of the present utility model includes first connecting rod, struts linkage, compression connecting rod
Mechanism, pedicle nail and pushing tow resetting-mechanism, and strut linkage and compression linkage is connected with pedicle nail respectively, the
Every one end at one connecting rod two ends struts linkage and the compression linkage described in being respectively provided with, and pushing tow resetting-mechanism is slidably
Ground is arranged on first connecting rod；Thus, four pedicle nails of the present utility model can percutaneous puncture enter vertebral body, and can be according to ridge
The form of vertebral fracture, above-mentioned first connecting rod, strut linkage and compression linkage in the presence of, realize for backbone
Front pillar and rear pillar strut and/or squeeze operation, on this basis, then further can make in the pushing tow of pushing tow resetting-mechanism
Under, realize being operated for the reset of vertebral body.Minimal invasion of the present utility model hinder vertebra reset system architecture rationally, design
Novelty, is conducive to bringing safely and effectively medical operating effect.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram for hindering vertebra reset system of the minimal invasion described in the utility model embodiment.
Fig. 2 is the structural representation of the compression linkage described in the present embodiment.
Fig. 3 is the structural representation for strutting linkage described in the present embodiment.
Fig. 4 is the assembling structure schematic diagram of first connecting rod described in the present embodiment and the second sliding block.
Fig. 5 is the structural representation of the first sliding block described in the present embodiment.
Fig. 6 is the structural representation of the pedicle nail described in the present embodiment.
Fig. 7 is the decomposition texture schematic diagram of the pushing tow resetting-mechanism described in the present embodiment.
Description of reference numerals：
1st, compression connector, 1-1, the first connecting cylinder, 1-2, the second connecting cylinder, 1-3, the first mounting cylinder, 1-4, spacing spiral shell
Mother, 1-5, the first connecting shaft, 2, strut connector, 2-1, the 3rd connecting cylinder, 2-2, the 4th connecting cylinder, 2-3, the second mounting cylinder,
2-4, the second connecting shaft, 3, first connecting rod, the 4, first sliding block, 4-1, top layer part, 4-2, underlying component, 4-3, perforation, 4-4,
First through hole, 4-5, stria, 4-6, the first lock screw, 4-7, stud fastener, 5, second connecting rod, 150, compression connecting rod machine
Structure, 6, pedicle nail, 6-1, root nail head, 6-2, the first external screw thread, 6-3, root nail afterbody, 6-4, the first pedicle nail, 6-5,
Second pedicle nail, 7, interior core needle, 8, sleeve pipe, 8-1, rotating handles, 8-2, the second external screw thread, 780, pushing tow resetting-mechanism, 9,
Second sliding block, 9-1, the second through hole, the 10, second lock screw, 11, third connecting rod, 112, strut linkage.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
It is the overall knot of the one embodiment for hindering vertebra reset system for the minimal invasion that the utility model is provided referring to Fig. 1
Structure schematic diagram.
The vertebra reset system of hindering of the minimal invasion of the present embodiment includes 3, two compression linkages 150, two of first connecting rod
It is individual to strut 112, two pairs of pedicle nails 6 of linkage and pushing tow resetting-mechanism 780；Each pair pedicle nail 6 includes the first vertebra
Nut follows closely 6-4 and the second pedicle nail 6-5, and connection compression connects respectively between the first pedicle nail 6-4 and the second pedicle nail 6-5
Linkage 150 and strut linkage 112；First connecting rod 3 is connected across between two compression linkages 150, and compression connecting rod
Mechanism 150 is slidably connected to the end of first connecting rod 3；Pushing tow resetting-mechanism 780 is slidably mounted in first connecting rod 3
On.Wherein, above-mentioned compression linkage 150 is located at the top for strutting linkage 112.
Based on above-mentioned structure, four pedicle nails 6 of the present embodiment can percutaneous puncture enter vertebral body, and can be according to vertebra
Body fracture form, above-mentioned first connecting rod 3, strut linkage 112 and compression linkage 150 in the presence of, it is right to realize
In the front pillar of backbone and strutting and/or squeeze operation for rear pillar, on this basis, can further in pushing tow resetting-mechanism 780
Thrusting action under, realize for vertebral body reset operate.Minimal invasion of the present utility model hinders vertebra reset system architecture
Rationally, it is novel in design, be conducive to bringing safely and effectively medical operating effect.Wherein, above-mentioned compression linkage 150 can be real
Existing compression, the above-mentioned linkage 112 that struts can be realized strutting effect, and compress linkage 150 and can drive and strut
Linkage 112 is slided and fixed in the end of first connecting rod 3 together, it is thus possible to realize above-mentioned strutting and/or compressing behaviour
Make, and the effect of pushing tow resetting-mechanism 780 more meets biomechanical effect, it can effectively reduce hypocentrum cutting stress,
It is applicable to the corpus vertebrae replacement of sufferers of osteoporosis face.The system can realize percutaneous vertebral body reattachment surgery under local anaesthesia, be especially suitable for old
Year patient and the patient of general anesthesia operation is not resistant to.
Referring to Fig. 1 and Fig. 2, compression linkage 150 includes second connecting rod 5 and two compression connectors 1, second connecting rod 5
It is connected with first connecting rod 3 by the first sliding block 4, and second connecting rod 5 is perpendicular with first connecting rod 3, two compression connectors 1 are distinguished
The two ends of second connecting rod 5 are slidably connected to, pedicle nail 6 is arranged in compression connector 1.Further, compression connection
Device 1 includes that the first connecting cylinder 1-1, the second connecting cylinder 1-2 and the first mounting cylinder 1-3, the first connecting cylinder 1-1 are socketed on second connecting rod
5 peripheries, the second connecting cylinder 1-2 is connected with the first connecting cylinder 1-1, and the second connecting cylinder 1-2 central axis upright in first
The central axis of connecting cylinder 1-1, the first mounting cylinder 1-3 is connected with the first connecting shaft 1-5, the axial direction of first connecting shaft 1-5 with
The central axis of the first mounting cylinder 1-3 is perpendicular, and the second connecting cylinder 1-2 is socketed the first connecting shaft 1-5, and pedicle nail 6 is through the
It is connected through a screw thread between one mounting cylinder 1-3, and the mounting cylinder 1-3 of pedicle nail 6 and first；Thus, two compression connectors 1 are equal
Can be slided along the axis direction of second connecting rod 5, to realize compression function, and the first sliding block 4 can respectively along first connecting rod 3
Axis direction and second connecting rod 5 axis direction slide, the first mounting cylinder 1-3 can be around the central axis of the second connecting cylinder 1-2
Make circle swing, the above is all conducive to the angles and positions of the above-mentioned each pedicle nail 6 of flexible modulation, makes pedicle nail 6 preferably
Act on vertebral body.Wherein, stop nut 1-4 is provided with above the first mounting cylinder 1-3, stop nut 1-4 is socketed on pedicle of vertebral arch
6 peripheries are followed closely, and stop nut 1-4 is connected through a screw thread with pedicle nail 6, then stop nut 1-4 can be carried out to pedicle nail 6
Fixation is spacing, it is to avoid pedicle nail 6 spins off from the first mounting cylinder 1-3.
Further, referring to Fig. 1, Fig. 4 and Fig. 5, above-mentioned first sliding block 4 includes top layer part 4-1 and underlying component 4-2,
Top layer part 4-1 is provided with two first through hole 4-4, and the quantity of first connecting rod 3 is set to two, and two first connecting rods 3 are worn respectively
Two first through hole 4-4 are crossed, underlying component 4-2 is provided with perforation 4-3, the perforate central axis of 4-3 and the center of first through hole 4-4
Axis perpendicular, second connecting rod 5 can be along the axis direction of first connecting rod 3 and the through perforation 4-3, then first sliding block 4
The axis direction of two connecting rods 5 is slidably；Wherein, stud fastener 4-7 is passed through between top layer part 4-1 and underlying component 4-2
Connect and can relatively rotate, and stria 4-5 is provided between top layer part 4-1 and underlying component 4-2, the two ends difference of stria 4-5
Communicated with two first through hole 4-4, stud fastener 4-7 passes perpendicularly through stria 4-5, so that, will be pushed up when with stud fastener 4-7
When layer part 4-1 and underlying component 4-2 is locked, stria 4-5 can be pressurized, and can cause that above-mentioned first through hole 4-4 deforms, by
This makes the first sliding block 4 be locked on first connecting rod 3, and when stud fastener 4-7 is unclamped, top layer part 4-1 and bottom
Can be relatively rotated again between part 4-2, which ensure that the flexibility of the angles and positions of pedicle nail 6 regulation；Underlying component 4-2
Be provided with the first lockhole, the first lock screw 4-6 being matched therewith be provided with the first lockhole, thus, when by first lock spiral shell
When nail 4-6 is locked, above-mentioned first sliding block 4 can be made to be locked on second connecting rod 5.In addition, referring to Fig. 6, pedicle nail 6 includes root
Nail head 6-1 and root nail afterbody 6-3, root nail head 6-1 are pyrometric cone tip, and root nail afterbody 6-3 is in hexagonal column, and this is conducive to
Pedicle nail 6 acts on centrum；Position of the pedicle nail 6 between root nail head 6-1 and root nail afterbody 6-3 is provided with the first outer spiral shell
Line 6-2, makes pedicle nail 6 be connected through a screw thread with above-mentioned first mounting cylinder 1-3.
Referring to Fig. 1 and Fig. 3, strut linkage 112 and strut connector 2 including third connecting rod 11 and two, two strut
Connector 2 is respectively slidably connected to the two ends of third connecting rod 11, and pedicle nail 6 is also arranged in strutting connector 2.Its
In, strutting connector 2 includes the 3rd connecting cylinder 2-1, the 4th connecting cylinder 2-2 and the second mounting cylinder 2-3, the 3rd connecting cylinder 2-1 sets
Located at the periphery of the third connecting rod 11, the 3rd connecting cylinder 2-1 is connected with the 4th connecting cylinder 2-2, and in the 3rd connecting cylinder 2-1
The central axis of heart axis and the 4th connecting cylinder 2-2 is perpendicular, and the second mounting cylinder 2-3 is connected with the second connecting shaft 2-4, and second
The central axis for being axially perpendicular to the second mounting cylinder 2-3 of connecting shaft 2-4, the 4th connecting cylinder 2-2 is nested with the second connecting shaft 2-4
Connect, the first mounting cylinder 1-3 and the second mounting cylinder 2-3 are communicated, and the length of the first mounting cylinder 1-3 is more than the second mounting cylinder 2-3's
Length, pedicle nail 6 sequentially passes through the first mounting cylinder 1-3 and the second mounting cylinder 2-3, thus, two strut connector 2 can edge
The axis direction of third connecting rod 11 slidably, and the second mounting cylinder 2-3 can around the 4th connecting cylinder 2-2 central axis make justify
Week swings, and this is equally beneficial for the angles and positions of the above-mentioned each pedicle nail 6 of flexible modulation.
In addition, referring to Fig. 1 to Fig. 5, the first connecting cylinder 1-1, the second connecting cylinder 1-2, the 3rd connecting cylinder 2-1 and the 4th
Connecting cylinder 2-2 is respectively equipped with the second lockhole, and the second lock screw 10 coordinated with it is provided with second lockhole, thus,
When corresponding second lock screw 10 is locked, above-mentioned compression connector 1 can be made to be locked on second connecting rod 5, or can make
The above-mentioned connector 2 that struts is locked on third connecting rod 11, and above-mentioned first mounting cylinder 1-3 can be made to be fixed and can not make to justify
Week is swung, or above-mentioned second mounting cylinder 2-3 can be made to be fixed and can not make circle swing.
It should be noted that above-mentioned first connecting cylinder 1-1, the second connecting cylinder 1-2, the 3rd connecting cylinder 2-1, the 4th connecting cylinder
2-2, the first mounting cylinder 1-3 and the second mounting cylinder 2-3 are circular cylinders.
Referring to Fig. 1 and Fig. 7, pushing tow resetting-mechanism 780 is installed on first connecting rod 3 by the second sliding block 9, pushing tow reset machine
Structure 780 includes sleeve pipe 8 and interior core needle 7, and interior core needle 7 passes through sleeve pipe 8, sleeve pipe 8 to pass through the second sliding block 9, and the outer wall of sleeve pipe 8 to be provided with
Second external screw thread 8-2, is connected through a screw thread between the sliding block 9 of sleeve pipe 8 and second, thus, the second sliding block 9 can drive the pushing tow to reset
Mechanism 780 along first connecting rod 3 axis direction slidably, and by revoling tube 8 can drive interior core needle 7 move up and down and
Realize thrusting action.Wherein, the second sliding block 9 is provided with two the second through hole 9-1, and two above-mentioned first connecting rods 3 are each passed through two
Individual second through hole 9-1；Sleeve pipe 8 includes butterfly rotating handles 8-1, and butterfly rotating handles 8-1 is located at the top of sleeve pipe 8, this side
For sleeve pipe 8 rotation, so as to facilitate moving up and down for above-mentioned interior core needle 7.
This percutaneously hinders installation process of vertebra reset system：After local anaesthesia, under the guiding of c-type X-ray machine, percutaneously by pedicle nail
6 are punctured to enter and hinder vertebra and up and down neighbour's vertebra, and the balance of both sides and symmetrical is noted in puncture process；After puncturing successfully, neighbour's vertebra is put up and down
Enter four above-mentioned pedicle nails 6, be inserted in a compression connector 1 and the company of strutting on every pedicle nail 6 successively respectively
Device 2 is connect, then second connecting rod 5 is penetrated toward the first connecting cylinder 1-1 of two compression connectors 1 on upper strata in both sides, while by
One sliding block 4 is enclosed within second connecting rod 5 and between two compression connectors 1, then again toward lower floor two strut connector 2
3rd connecting cylinder 2-1 penetrates third connecting rod 11；Afterwards hindering interior core needle 7 that above-mentioned pushing tow resetting-mechanism 780 is inserted at vertebra, then will
Pushing tow resetting-mechanism 780 is connected with first connecting rod 3, and first connecting rod 3 is connected with above-mentioned compression linkage 150, so far,
The assembling of whole system is completed, the overall installation diagram of system is as shown in Figure 1.
When in use, according to the concrete form of fracture, linkage four pedicle nails 6 of compression, while rotating forward above-mentioned
Pushing tow sleeve pipe 8, observes the reset degree of sclerite under guidance of C-arm machine, after after fracture block reset satisfaction, tightens each connection group
Part, is completed to fix, and so far, the system is completed to the operation for hindering reset and the fixation of vertebra.Finally, can enter to hindering vertebra on this basis
Row centrum bone cementoplasty, bone grafting operation etc. are operated, and complete next step operation.After the completion of whole operation, each component is unclamped according to this,
Take out each connecting rod, compression connector 1 and strut connector 2, finally take out pedicle nail 6.
The vertebra reset system of hindering of the minimal invasion of the utility model embodiment is based on hindering the theory that vertebra puts nail reset, fully examines
Consider the movable function of backbone and the common type of spine fracture, can freely realize to backbone by duplex through rod slidably
The combining of front pillar and rear pillar strut, combine compression, strutting and the operation such as compression is combined, and full percutaneous manipulation can be realized.
The vertebra reset system of hindering of the minimal invasion of the utility model embodiment includes first connecting rod, struts linkage, pressure
Contracting linkage, pedicle nail and pushing tow resetting-mechanism, and strut linkage and compression linkage respectively and pedicle nail
Connection, every one end at first connecting rod two ends be respectively provided with described in strut linkage and the compression linkage, pushing tow reset machine
Structure is slidably mounted on first connecting rod；Thus, four pedicle nails of the present utility model can percutaneous puncture enter vertebral body, and
Can according to vertebral body fracture form, above-mentioned first connecting rod, strut linkage and compression linkage in the presence of, realize
Front pillar and rear pillar for backbone are strutted and/or squeeze operation, on this basis, then can further in pushing tow resetting-mechanism
Thrusting action under, realize for vertebral body reset operate.Minimal invasion of the present utility model hinders vertebra reset system architecture
Rationally, it is novel in design, be conducive to bringing safely and effectively medical operating effect.
It should be appreciated that being described using term " first ", " second ", " the 3rd ", " the 4th " etc. in the utility model
Various information, but these information should not necessarily be limited by these terms, and these terms are only used for being distinguished from each other open same type of information.
For example, in the case where the utility model scope is not departed from, " first " information can also be referred to as " second " information, similar,
" second " information can also be referred to as " first " information.
The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvement and deformation can also be made, these improve and become
Shape is also considered as protection domain of the present utility model.
Claims (10)
1. a kind of minimal invasion hinders vertebra reset system, it is characterised in that including first connecting rod, two compression linkages, two
It is individual to strut linkage, two pairs of pedicle nails and pushing tow resetting-mechanism；
Each pair pedicle nail includes the first pedicle nail and the second pedicle nail, first pedicle nail and second vertebra
The compression linkage is connected between nut nail respectively and described linkage is strutted；
The first connecting rod is connected across between described two compression linkages, and the compression linkage is slidably connected
In the end of the first connecting rod；
The pushing tow resetting-mechanism is slidably mounted on the first connecting rod.
2. minimal invasion according to claim 1 hinders vertebra reset system, it is characterised in that the compression linkage sets
In the top for strutting linkage, the two ends of the first connecting rod connect described two compression linkages respectively；It is described
Compression linkage includes second connecting rod and two compression connectors, and the second connecting rod is connected by the first sliding block with described first
Bar is connected, and the second connecting rod is perpendicular with the first connecting rod, and described two compression connectors are respectively slidably connected
In the two ends of the second connecting rod, the pedicle nail is arranged in the compression connector.
3. minimal invasion according to claim 2 hinders vertebra reset system, it is characterised in that first sliding block includes top
Layer part and underlying component, the top layer part are provided with two first through hole, and the quantity of the first connecting rod is set to two, and this two
Individual first connecting rod is each passed through described two first through hole, and the underlying component is provided with perforation, the central axis of the perforation and
The central axis of the through hole is perpendicular, and the second connecting rod passes through the perforation；The top layer part and the underlying component
Between connect and can relatively rotate by stud fastener, and be provided with stria between the top layer part and the underlying component,
The two ends of the stria communicate with described two first through hole respectively, and the stud fastener passes perpendicularly through the stria；It is described
Underlying component is provided with the first lockhole, and the first lock screw being matched therewith is provided with first lockhole.
4. minimal invasion according to claim 2 hinders vertebra reset system, it is characterised in that the compression connector includes
First connecting cylinder, the second connecting cylinder and the first mounting cylinder, first connecting cylinder are socketed on the second connecting rod periphery, described
Two connecting cylinders are connected with first connecting cylinder, and second connecting cylinder central axis upright in first connecting cylinder
Central axis, first mounting cylinder is connected with the first connecting shaft, the axial direction of first connecting shaft and first mounting cylinder
Central axis it is perpendicular, second connecting cylinder is socketed first connecting shaft, and the pedicle nail is through the described first peace
It is connected through a screw thread between fitted tube, and the pedicle nail and first mounting cylinder.
5. minimal invasion according to claim 4 hinders vertebra reset system, it is characterised in that described to strut linkage
Connector is strutted including third connecting rod and two, described two connectors that strut respectively slidably are connected to the third connecting rod
Two ends, the pedicle nail is also arranged in described in strutting connector.
6. minimal invasion according to claim 5 hinders vertebra reset system, it is characterised in that the connector that struts includes
3rd connecting cylinder, the 4th connecting cylinder and the second mounting cylinder, the 3rd connecting cylinder are sheathed on the third connecting rod periphery, described
Three connecting cylinders are connected with the 4th connecting cylinder, and in the central axis and the 4th connecting cylinder of the 3rd connecting cylinder
Heart axis perpendicular, second mounting cylinder is connected with the second connecting shaft, and second connecting shaft be axially perpendicular to it is described
The central axis of the second mounting cylinder, the 4th connecting cylinder socket-connects with second connecting shaft, first mounting cylinder and institute
The second mounting cylinder is stated to communicate, and first mounting cylinder length more than second mounting cylinder length, the pedicle nail
Sequentially pass through first mounting cylinder and second mounting cylinder.
7. minimal invasion according to claim 6 hinders vertebra reset system, it is characterised in that first connecting cylinder, institute
State the second connecting cylinder, the 3rd connecting cylinder and the 4th connecting cylinder and be respectively equipped with the second lockhole, set on second lockhole
It is equipped with the second lock screw coordinated with it；Stop nut, the stop nut socket are provided with above first mounting cylinder
It is connected through a screw thread with the pedicle nail in the pedicle nail periphery, and the stop nut.
8. minimal invasion according to claim 1 hinders vertebra reset system, it is characterised in that the pedicle nail includes root
Nail head and root nail afterbody, described nail head are pyrometric cone tip, and described nail afterbody is in hexagonal column；The pedicle nail
Position between described nail head and described nail afterbody is provided with the first external screw thread, and the pedicle nail connects with the compression
Linkage is connected through a screw thread.
9. the minimal invasion according to any one of claim 1 to 8 hinders vertebra reset system, it is characterised in that the pushing tow
Resetting-mechanism is installed on the first connecting rod by the second sliding block, and the pushing tow resetting-mechanism includes sleeve pipe and interior core needle, institute
Interior core needle through described sleeve pipe is stated, described sleeve pipe passes through second sliding block, and the outer wall of described sleeve pipe is provided with the second external screw thread,
It is connected through a screw thread between described sleeve pipe and second sliding block.
10. minimal invasion according to claim 9 hinders vertebra reset system, it is characterised in that second sliding block is provided with
Two the second through holes, the quantity of the first connecting rod is set to two, and two first connecting rods are each passed through described two second and lead to
Hole；Described sleeve pipe includes rotating handles, and the rotating handles is located at the top of described sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891869.4U CN206239494U (en) | 2016-08-16 | 2016-08-16 | Minimal invasion hinders vertebra reset system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891869.4U CN206239494U (en) | 2016-08-16 | 2016-08-16 | Minimal invasion hinders vertebra reset system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308909A (en) * | 2016-08-16 | 2017-01-11 | 广州聚生生物科技有限公司 | Minimally invasive percutaneous type injured vertebra restoration system |
| WO2019047158A1 (en) * | 2017-09-08 | 2019-03-14 | 张巍 | Connector and fixation system for use with pedicle screw |
-
2016
- 2016-08-16 CN CN201620891869.4U patent/CN206239494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308909A (en) * | 2016-08-16 | 2017-01-11 | 广州聚生生物科技有限公司 | Minimally invasive percutaneous type injured vertebra restoration system |
| WO2019047158A1 (en) * | 2017-09-08 | 2019-03-14 | 张巍 | Connector and fixation system for use with pedicle screw |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20190816 |