CN207731533U - Compression fracture of vertabral body molder's tools - Google Patents
Compression fracture of vertabral body molder's tools Download PDFInfo
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- CN207731533U CN207731533U CN201721328642.XU CN201721328642U CN207731533U CN 207731533 U CN207731533 U CN 207731533U CN 201721328642 U CN201721328642 U CN 201721328642U CN 207731533 U CN207731533 U CN 207731533U
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- molder
- compression fracture
- centrum
- vertabral body
- compression
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Abstract
The utility model discloses a kind of compression fracture of vertabral body molder's tools, the compression fracture model of centrum is constructed for coordinating with the mechanics tester of any specification, there are upper soleplate and lower soleplate in the both ends of the centrum, compression fracture of vertabral body molder's tools include pedestal, the gasket of pressing plate and several different sizes, backboard, the lower part of its pedestal is provided with the protruding portion being connect for the collet with test machine, striker pivots are connected on pedestal, wherein, when work, the pressure head of test machine applies pressure by pressing plate to centrum.The gasket and composition of backboards that the utility model passes through different size, or the combination of the gasket and backboard by different size, to control the leading edge of compression fracture of vertabral body model, the compression height of rear, the compression fracture of vertabral body modelling of arbitrary height may be implemented, success rate is high, and may be implemented to anterior margin of vertebral body, rear compression height it is controllable, to obtain different types of compression fracture of vertabral body model.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of compression fracture of vertabral body molder's tools.
Background technology
With the aging of population in the world, the incidence of the frequently-occurring disease of this older population of primary osteoporosis just by
Year rises, and has become Community health's problem that today's society becomes increasingly conspicuous.Most common complication caused by osteoporosis
It is compressibility vertebral fracture (Vertebral Compression Fractures, VCF).Compression fracture of vertabral body incidence compared with
It is high, harmfulness is larger, obtained paying close attention to for spinal surgeons and scientific research scholar.There are two types of it is clinically most common
Type：One is that upper limb wedge shape snaps fracture (A1.2.1 types), shows as anterior margin of vertebral body reduction, the constant cortex of bone of centrum rear
Completely；Another kind is that collapse of vertebra is fractured (A1.3 types), in showing as before centrum after collapse, and collapsed with anterior margin of vertebral body bright
Aobvious, this is most commonly in pathologic fracture caused by osteoporosis.Therefore when implementing to study, effective compression-type sphenoid is established
It is the premise calls to conduct a research to roll over model.
The production method of current common compression fracture of vertabral body has three vertebras one front side compact model, three vertebras one up and down
Clamping plate compact model, the direct compact model of single centrum and single anterior margin of vertebral body compact model.Above-mentioned various compact models are required for
It is placed on mechanics tester, the compression fracture of centrum is formed by testing compressing head application pressure.
Although list Vertebral Compression model modeling at present is simple, it is convenient for the modelling of big quantity, to Vertebral Compression bone
Folding simulation is poor, and the compression height degree of control of front and rear edge is low, and clinical practice meaning is low；And for three vertebra one compact models,
Practical for the simulation approach clinic of vertebral compression fracture, the height loss of front and rear edge is controlled, but modeling process is sufficiently complex,
Heavy workload is unfavorable for the requirement of study on large sample.
Utility model content
A kind of technical problem to be solved by the utility model is to provide preparation methods Vertebral Compression simple, at low cost
Property fracture molder's tools, the success rate for constructing vertebral fracture model is high, and vertebral fracture line gauge is restrained, force diagram repeatability
It is high.
In order to solve the above technical problems, the technical solution adopted in the utility model is, a kind of compression fracture of vertabral body modeling
Tool can coordinate with the mechanics tester of different size to construct compression fracture of vertabral body model, the mechanics tester packet
Include pressure head and collet, the centrum has a upper soleplate and lower soleplate, the compression fracture of vertabral body molder's tools include pedestal and
Pressing plate, the lower part of the pedestal are provided with the protruding portion being connect for the collet with test machine, and the striker pivots are connected to institute
It states on pedestal, wherein when work, the pressure head of test machine applies pressure by the pressing plate to the centrum.
In addition, the utility model also proposes following attached technical scheme.
Preferably, the pedestal is L-shaped, including bottom plate and side plate, the protruding portion be arranged in the lower part of the bottom plate.
Preferably, U-lag is formed on the side plate, each in the two side arms of U-lag there are one holes.
Preferably, further include the shaft of cylinder, the end of the pressing plate forms through-hole, and the shaft is through described logical
Kong Hou is connect with the hole in the two side arms of U-lag respectively.
Preferably, the top molding of the bottom plate is fluted.
Preferably, further include gasket, the gasket is removably disposed in the groove.
Preferably, the protruding portion is cylinder, can coordinate the plug-in unit of different size and be surveyed to be mounted on different mechanics
On the collet of test-run a machine.
Preferably, further include backboard, the backboard is removably connected in the groove of the bottom plate.
Preferably, multiple holes are provided at upper a quarter in the centrum, the multiple hole is arranged in and upper soleplate
Parallel line.
Preferably, the upper soleplate of the centrum is in parallel shape with the lower soleplate by embedding dental base acrylic resin powder and after polishing
State.
Compared with the prior art, the utility model has the advantage of：The pedestal of compression fracture of vertabral body molder's tools is logical
The columned protruding portion in bottom one is crossed to coordinate the plug-in unit of different size, the mechanics of different type and specification can be directly anchored to
At the collet of testing machine, special equipment and device is not needed, and centrum sample is directly placed on pedestal, need not fixed
Device.
The utility model is combined by the gasket of different size, or passes through the gasket of different size and the combination of backboard
The leading edge of compression fracture of vertabral body model, the compression height of rear are controlled, may be implemented the vertebral compression bone of arbitrary height
Roll over modelling, success rate is high, and may be implemented to anterior margin of vertebral body, rear compression height it is controllable, to obtain different type
Compression fracture of vertabral body model.
Description of the drawings
Fig. 1 is the animal centrum that the utility model compression fracture of vertabral body molder's tools construction compression fracture model uses
Schematic diagram.
Fig. 2 is the stereoscopic schematic diagram of the utility model compression fracture of vertabral body molder's tools.
Fig. 3 is the stereoscopic schematic diagram of the pressing plate of the utility model compression fracture of vertabral body molder's tools.
Fig. 4 is the stereoscopic schematic diagram of the shaft of the utility model compression fracture of vertabral body molder's tools.
Fig. 5 is the collet and pedestal for the test machine being used cooperatively with the utility model compression fracture of vertabral body molder's tools
Stereoscopic schematic diagram.
Fig. 6 is compression fracture of vertabral body molder's tools and animal centrum and the test of the utility model first embodiment
The assembling schematic diagram of machine.
Fig. 7 is compression fracture of vertabral body molder's tools and animal centrum and the test of the utility model second embodiment
The assembling schematic diagram of machine.
Wherein,
1. 2. compression fracture of vertabral body molder's tools of centrum
3. 31. side plate 311.U shapes slot of pedestal, 312. hole
32. 321. groove of bottom plate, 4. pressing plate, 41. through-hole
5. 6. shaft of protruding portion, 7. collet, 71. plug-in unit
8. soleplate on 9. gasket of pressure head, 11. backboard 12.
13. 16. leading edge of lower 15. pedestal of soleplate, 17. rear
Specific implementation mode
Technical solutions of the utility model are made below in conjunction with preferred embodiment and its attached drawing further unrestricted detailed
Explanation.
As shown in Figures 1 to 7, the utility model discloses a kind of compression fracture of vertabral body molder's tools 2, is used for and difference
The mechanics tester of specification coordinates to construct the compression fracture model of centrum 1, mechanics tester include pressure head 8, collet 7 and
Pedestal 15, collet 7 are arranged on pedestal 15.
As shown in Figure 1, centrum 1 is that single arbitrary height, in vitro centrum sample, including dog, sheep and pig etc. are large-scale dynamic
The centrum of object, or the centrum of people.The height of centrum 1 is usually no more than 5.5cm, enumerates substantially above-mentioned common big
The specification of type animal centrum.Centrum 1 has cut off all attachmentes, includes parapophysis, centrum spinous process, and vertebral plate etc. remains
The positions such as centrum portion and pedicle of vertebral arch.Centrum 1 has leading edge 16 and rear 17.
Soleplate 12,13 is embedded by dental base acrylic resin powder up and down at the both ends of centrum 1, and so that upper soleplate 12, lower soleplate after polishing
13 are arranged in parallel.In centrum 1 at upper a quarter, multiple a diameter of 1.5mm are got, depth is the hole of 2mm, is uniformly distributed
At a line parallel with upper soleplate.Preferably, the number in hole is 5.The purpose of punching is in order in the scheduled position of centrum 1
It sets and causes weak spot so that fracture line is happened at punching, thus allows the position of the generation of fracture line controllable, and centrum 1
Fracture line rule, force diagram repeatability are high.
As shown in Figures 2 to 7, the utility model compression fracture of vertabral body molder's tools 2 include pedestal 3 and pressing plate 4.Bottom
The lower part of seat 3 is provided with the protruding portion 5 being connect for the collet 7 with test machine, and pressing plate 4 is pivotally connected on the base 3.It is preferred that
, protruding portion 5 is cylinder, and collet 7 is cylindrical shape, has cylindrical hole.The hole of the collet 7 of different mechanics testers
Diameter be different.In other words, compression fracture of vertabral body molder's tools 2 can pass through the cylindrical protruding portion 5 of 3 bottom of pedestal
Coordinate the plug-in unit 71 of different size diameter, being fixed on the collet 7 of mechanics tester, is not necessarily to special equipment.
As shown in Figures 2 to 5, pedestal 3 is L-shaped, including bottom plate 32 and side plate 31, protruding portion 5 be arranged in bottom plate 32
Lower part.32 top of bottom plate molding fluted 321.
U-lag 311 is formed on side plate 31, and hole 312 is respectively formed in the two side arms of U-lag 311.
The end of pressing plate 4 forms through-hole 41.When assembly, shaft 6 is run through into through-hole 41, and make two of shaft 6 from
Pressing plate 4 is stretched out by end later to connect two free ends of shaft 6 with the hole 312 in the two side arms of U-lag 311 respectively, from
And pressing plate 4 is pivotally connected on the base 3.
As shown in fig. 6, in the utility model first embodiment, compression fracture of vertabral body molder's tools 2 further include pad
Piece 9, gasket 9 are removably disposed in groove 321.
The operation principle of the utility model first embodiment is as follows.
The plug-in unit 71 of different-diameter is coordinated to be surveyed to be fixed on mechanics the protruding portion 5 of compression fracture of vertabral body molder's tools 2
On the collet 7 of test-run a machine, later, gasket 9 is arranged in the groove 321 of bottom plate 32, then centrum 1 is close to side plate 31 and is placed, makes
The upper soleplate 12 and pressing plate 4 for obtaining centrum 1 are in sustained height.Wherein, side plate 31 can keep the stability of centrum 1.Start and surveys
Test-run a machine so that the pressure head 8 of test machine applies pressure to pressing plate 4, which is transmitted to centrum 1, so as to cause vertebral fracture
Generation.Wherein, during pressing plate 4 suppresses centrum 1 under the pushing of pressure head 8, the displacement of pressing plate 4 at the leading edge 16 of centrum 1
Will be significantly more than the displacement of pressing plate 4 at rear 17, and the trailing edge displacement of closer centrum 1 is smaller.
Gasket 9 by the different-thickness placed in the lower section of centrum 1, can maintain the upper end of the centrum 1 of different height
Plate 12 is in sustained height with pressing plate 4.
As shown in fig. 6, in this embodiment, centrum 1 is close to the placement of side plate 31, then leading edge is presented in pressed centrum 1
16 obviously collapse, and rear 17 is substantially complete, is typical centrum wedge fracture, and 16 compression height of leading edge is controllable, rear 17
Height be lost between 2~3mm.
As shown in fig. 7, in the utility model second embodiment, compression fracture of vertabral body molder's tools 2 further include the back of the body
Plate 11, backboard 11 are removably connected in the groove 321 of bottom plate 32.
The operation principle of the utility model second embodiment is as follows.
The plug-in unit 71 of different-diameter is coordinated to be surveyed to be fixed on mechanics the protruding portion 5 of compression fracture of vertabral body molder's tools 2
On the collet 7 of test-run a machine, later, gasket 9 is arranged in the groove 321 of bottom plate 3, and the back of the body is set between side plate 31 and centrum 1
Centrum 1 is placed on the middle part of compression fracture of vertabral body molder's tools 2 by plate 11, meanwhile, upper soleplate 12 and the pressing plate 4 of centrum 1
In sustained height.Start test machine so that the pressure head 8 of test machine applies pressure to pressing plate 4, which is transmitted to centrum
1, so as to cause the generation of vertebral fracture.
As shown in fig. 7, in this embodiment, coordinating the gasket 9 of different size and backboard 11 to combine, centrum 1 being made to place
In the middle part of compression fracture of vertabral body molder's tools 2, then leading edge 16 can be suppressed, rear 17 collapses, and with leading edge 16
Fracture model based on compression is typical A1.3 types collapse of vertebra fracture form, and the compression height of leading edge 16, rear 17 is equal
Controllably.
The pedestal 3 of the utility model compression fracture of vertabral body molder's tools 2 is by the columned protruding portion 5 of bottom one
Coordinate the plug-in unit 71 of different size diameter, can be directly anchored at the collet 7 of different types of mechanics machine, not need spy
Different equipment and device, and centrum 1 is directly placed on the bottom plate 32 of pedestal 3, and fixing device is not needed.
The utility model controls the compression of centrum 1 by the combination of the gasket 9 of different size, backboard 11 and side plate 31
The leading edge 16 of property fracture model, the compression height of rear 17, may be implemented the compression fracture of vertabral body modelling of arbitrary height,
Success rate is high, and may be implemented the leading edge 16 to centrum 1,17 compression height of rear it is controllable, to obtain different types of vertebra
Body compression fracture model.
The success rate that the utility model constructs vertebral fracture model is high, and the fracture line rule of centrum 1, force diagram can weigh
Renaturation is high.
It should be pointed out that above-mentioned preferred embodiment is only to illustrate the technical concepts and features of the utility model, purpose
It is the content for allowing person skilled in the art that can understand the utility model and implements according to this, this reality can not be limited with this
With novel protection domain.It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover in this reality
Within novel protection domain.
Claims (10)
1. a kind of compression fracture of vertabral body molder's tools construct centrum for coordinating with mechanics tester（1）Compressibility bone
Model is rolled over, the mechanics tester includes pressure head（8）And collet（7）, the centrum（1）Both ends have upper soleplate（12）With lower end
Plate（13）, it is characterised in that：The compression fracture of vertabral body molder's tools（2）Including pedestal（3）And pressing plate（4）, the bottom
Seat（3）Lower part be provided with for the collet with test machine（7）The protruding portion of connection（5）, the pressing plate（4）It is pivotally connected in institute
State pedestal（3）On, wherein when work, the pressure head of test machine（8）Pass through the pressing plate（4）To the centrum（1）Apply pressure.
2. compression fracture of vertabral body molder's tools according to claim 1, it is characterised in that：The pedestal（3）For L-shaped,
Including bottom plate（32）And side plate（31）, the protruding portion（5）It is arranged in the bottom plate（32）Lower part.
3. compression fracture of vertabral body molder's tools according to claim 2, it is characterised in that：The side plate（31）Upper molding
There is U-lag（311）, U-lag（311）Two side arms on respectively form hole（312）.
4. compression fracture of vertabral body molder's tools according to claim 3, it is characterised in that：It further include the shaft of cylinder
（6）, the pressing plate（4）End form through-hole（41）, the shaft（6）Through the through-hole（41）Afterwards, respectively with U-lag
（311）Two side arms on hole（312）Connection.
5. compression fracture of vertabral body molder's tools according to claim 2, it is characterised in that：The bottom plate（32）Top
It is molded fluted（321）.
6. compression fracture of vertabral body molder's tools according to claim 5, it is characterised in that：It further include gasket（9）, described
Gasket（9）It is removably disposed in the groove（321）It is interior.
7. compression fracture of vertabral body molder's tools according to claim 1, it is characterised in that：The protruding portion（5）For circle
Cylindricality can coordinate the plug-in unit of different size（71）To be mounted on the collet of different mechanics testers（7）On.
8. compression fracture of vertabral body molder's tools according to claim 5, it is characterised in that：It further include backboard（11）, institute
State backboard（11）Removably it is connected to the bottom plate（32）Groove（321）It is interior.
9. compression fracture of vertabral body molder's tools according to claim 1, it is characterised in that：The centrum（1）In on
Multiple holes are provided at a quarter, the multiple hole is arranged in and upper soleplate（12）Parallel line.
10. compression fracture of vertabral body molder's tools according to claim 1, it is characterised in that：The upper soleplate（12）With
The lower soleplate（13）By embedding dental base acrylic resin powder and after polishing at parastate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721328642.XU CN207731533U (en) | 2017-10-17 | 2017-10-17 | Compression fracture of vertabral body molder's tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721328642.XU CN207731533U (en) | 2017-10-17 | 2017-10-17 | Compression fracture of vertabral body molder's tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731533U true CN207731533U (en) | 2018-08-14 |
Family
ID=63090829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721328642.XU Active CN207731533U (en) | 2017-10-17 | 2017-10-17 | Compression fracture of vertabral body molder's tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731533U (en) |
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2017
- 2017-10-17 CN CN201721328642.XU patent/CN207731533U/en active Active
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