CN106691619A - Impactor for animal spinal cord contusion - Google Patents
Impactor for animal spinal cord contusion Download PDFInfo
- Publication number
- CN106691619A CN106691619A CN201710095183.3A CN201710095183A CN106691619A CN 106691619 A CN106691619 A CN 106691619A CN 201710095183 A CN201710095183 A CN 201710095183A CN 106691619 A CN106691619 A CN 106691619A
- Authority
- CN
- China
- Prior art keywords
- spinal cord
- animal
- screw rod
- contusion
- pressure head
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D1/00—Surgical instruments for veterinary use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D3/00—Appliances for supporting or fettering animals for operative purposes
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Animal Husbandry (AREA)
- Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an impactor for animal spinal cord contusion. A lower pressing plate is installed on a base plate. Guide rods are vertically arranged between an upper pressing plate and the lower pressing plate. A screw rod is arranged between two guide rods. A lifting base is arranged between the upper pressing plate and the lower pressing plate. A first through hole corresponding to the guide rod is arranged on the lifting base. A second through hole corresponding to the screw rod is arranged on the lifting base. A first screw nut is arranged in the second through hole. The first screw nut coordinates with the screw rod. A panel is arranged on the base plate. A suspension arm is arranged at one end of the lifting base. A pressing head is connected with the end portion of the suspension arm through a pressing head connecting base. An electromagnetic sucking disk is arranged at the upper side of the pressing head, and controls the connection or disconnection between the pressing head and the electromagnetic sucking disk through electromagnetic induction. A digital display vernier caliper is arranged on the base plate and at one side of the guide rod. The impactor for animal spinal cord contusion can effectively guarantee that the accuracy of the impacting positions and the precision of the impacting strength, ensure the experiment effects and successful rate. The impactor for animal spinal cord contusion has the advantages of being low in cost, easy to learn, and worthy of publicizing.
Description
Technical field
The present invention relates to zoopery technique with the apparatus field, more specifically, more particularly to a kind of animal contusion of spinal cord is hit
Hit device.
Background technology
The animal model of spinal cord injury is the important foundation for studying central nervous system injury and Regeneration and Repair.The ridge commonly used at present
The animal model that marrow is damaged includes clashing into, extruding and the various forms such as cross-section.Wherein no matter weight falls impact-model in damage
The aspects such as the pathophysiological change of physiological reaction and secondary injury after form, or damage can preferably simulating reality life
The spinal cord injury of middle people, is acute spinal cord injury animal model the most frequently used at present.But or existing spinal cord beating device does not have
There is the device of fixed animal, otherwise the overall fixation of animal is only taken into account, not specifically designed for plan by strike spinal segment position
The accurate fixing device of vertebral plate.And in actual operation operating process, if vertebral plate fixes bad, during strike spinal cord, easily draw
The displacement of animal is played, and then drives the displacement of intraspinal tube spinal cord.On the one hand can cause actual strike dynamics and position with preset
Have deviation；The deviation between different animals individuality can be more importantly caused to increase, the consequence such as experimental data is unstable.Cause
This, designs a animal contusion of spinal cord ram that can precisely fix vertebral plate, has great to the reliable and stable of experimental data
Meaning.
The content of the invention
It is an object of the invention to provide a kind of simple structure, can precisely fix the animal contusion of spinal cord ram of vertebral plate.
In order to achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of animal contusion of spinal cord ram, including bedplate, guide rod, top board, lifting pedestal, screw rod, magnechuck,
Pressure head, panel, pressure head connecting seat, lower platen, the first nut, electronic digital indicator and cantilever；The lower platen is installed on base
On plate, the guide rod is vertical between top board and lower platen, and the screw rod is located between two guide rods, the lifting pedestal
Between top board and lower platen, lifting pedestal is provided with the first through hole corresponding with guide rod, is additionally provided with lifting pedestal
Second through hole corresponding with screw rod, in the second through hole, first nut is engaged first nut with screw rod, institute
Panel is stated on bedplate, located at one end of lifting pedestal, the pressure head is installed on outstanding the cantilever by pressure head connecting seat
The end of arm, the magnechuck located at the top of pressure head, by electromagnetic induction control pressure head and magnechuck connection or
Disconnect, the electronic digital indicator is on bedplate and electronic digital indicator is located at the side of guide rod.
Further, be additionally provided with limit assembly on the panel, the limit assembly include two be oppositely arranged it is spacing
Unit, each described position-limiting unit includes support column, fix bar, screws part and pressing plate, and the support column is provided with vertical
Stopper slot, the fix bar is horizontally through the stopper slot, and fix bar is fixed by screwing part, and the pressing plate is located at fix bar
Medial end.
Further, copper sheathing is additionally provided with the first through hole, the guide rod is engaged with copper sheathing.
Further, end cap is arranged with the screw rod of the lifting pedestal upper end, the end cap uses hexagonal circle in first
Stud bolt is fixed.
Further, before the lower end of the electronic digital indicator is installed on slide calliper rule mounting base by slide calliper rule installing plate
Side, the slide calliper rule mounting base is installed on bedplate, and the display portion of the electronic digital indicator connects shrouding by slide calliper rule
It is connected on slide calliper rule with slide calliper rule upper junction plate.
Further, the screw rod above the top board is provided with wing nut, and the guide rod above the top board passes through
3rd nut is fixed.
Further, be additionally provided with deep groove ball bearing in second through hole, the screw rod through after deep groove ball bearing with the
One nut is engaged.
Compared with prior art, the advantage of the invention is that：The present invention has been effectively ensured the accuracy of hit position, strike
The accuracy of dynamics, it is ensured that experiment effect and success rate, and low cost, be easy to learn and use, it is worthy to be popularized.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the front view of animal contusion of spinal cord ram of the present invention.
Fig. 2 is the side view of animal contusion of spinal cord ram of the present invention.
Fig. 3 is the enlarged drawing at A-A in Fig. 1 of the present invention.
Fig. 4 is the top view of animal contusion of spinal cord ram of the present invention.
Fig. 5 is a kind of structural representation of animal contusion of spinal cord ram center platen of the present invention.
Fig. 6 is another structural representation of animal contusion of spinal cord ram center platen of the present invention.
Description of reference numerals：1st, bedplate, 2, guide rod, 3, top board, 4, copper sheathing, 5, lifting pedestal, hexagonal in 6, first
Cylinder head bolt, hexagonal cylindrical hook bolt in 7, second, 8, slide calliper rule connection shrouding, 9, slide calliper rule upper junction plate, 10, end cap, 11, spiral shell
Bar, 12, magnechuck, 13, pressure head, 14, panel, 15, pressure head connecting seat, 16, limit assembly, 17, key, hexagonal in the 18, the 3rd
Cylinder head bolt, hexagonal cylindrical hook bolt in the 19, the 4th, 20, lower platen, 21, elastic washer, the 22, first nut, 23, zanjon
Ball bearing, 24, electronic digital indicator, 25, slide calliper rule installing plate, 26, slide calliper rule mounting base, the 27, second nut, 28, hex bolts,
29th, wing nut, the 30, the 3rd nut, 31, cantilever, 32, support column, 33, fix bar, 34, screw part, 35, pressing plate, 36, spacing
Groove.
Specific embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Embodiment one
Refering to shown in Fig. 1-Fig. 4, the present invention provides a kind of animal contusion of spinal cord ram, including bedplate 1, guide rod 2, on
Pressing plate 3, lifting pedestal 5, screw rod 11, magnechuck 12, pressure head 13, panel 14, pressure head connecting seat 15, lower platen 20, the first spiral shell
Female 22, electronic digital indicator 24 and cantilever 31.
The lower platen 20 passes through hexagonal cylindrical hook bolt 19 in the 4th and is installed on bedplate 1, and hexagonal circle in the 4th
Be provided with elastic washer 21 between stud bolt 19 and lower platen 20, the guide rod 2 be vertical at top board 3 and lower platen 20 it
Between, between two guide rods 2, the lifting pedestal 5 is located between top board 3 and lower platen 20 screw rod 11, lifts bottom
Seat 5 is provided with the first through hole corresponding with guide rod 2, and second through hole corresponding with screw rod 11, institute are additionally provided with lifting pedestal 5
The first nut 22 is stated in the second through hole, first nut 22 is engaged with screw rod 11.
By key 17 on bedplate 1, the cantilever 31 passes through hexagonal cylindrical hook bolt 18 in the 3rd to the panel 14
Located at one end of lifting pedestal 5, the pressure head 13 is installed on the end of cantilever 31, the magnechuck by pressure head connecting seat 15
12, located at the top of pressure head 13, the connection or disconnection of pressure head 13 and magnechuck 12, the digital display are controlled by electromagnetic induction
Slide measure 24 is on bedplate 1 and electronic digital indicator 24 is located at the side of guide rod 2.
Limit assembly 16 is additionally provided with the panel 14, by limit assembly 16 can up and down, three dimensions around
Be adjusted it is spacing, for fixing the vertebral plate of experimental animal (such as rat), with ensure target spinal segment fix do not move, protect
Demonstrate,prove the reliability of data.
The limit assembly 16 includes two position-limiting units being oppositely arranged, and each described position-limiting unit includes support column
32nd, fix bar 33, screw part 34 and pressing plate 35, the support column 32 is provided with vertical stopper slot 36, and the fix bar 33 is horizontal
Fixed by screwing part 34 to through the stopper slot 36, and fix bar 33, medial extremity of the pressing plate 35 located at fix bar 33
Portion.
Refering to shown in Fig. 5, the pressing plate 35 is from the side " L " shape, and only one of which right angle can meet basic wanting
Ask.
Copper sheathing 4 is additionally provided with the first through hole, the guide rod 2 is engaged with copper sheathing 4.
End cap 10 is arranged with the screw rod 11 of the upper end of the lifting pedestal 5, the end cap 10 uses hexagonal cylindrical in first
Hook bolt 6 is fixed.
The lower end of the electronic digital indicator 24 (is consolidated by slide calliper rule installing plate 25 by the second nut 27 and hex bolts 28
It is fixed) front side of slide calliper rule mounting base 26 is installed on, the slide calliper rule mounting base 26 passes through hexagonal cylindrical hook bolt 7 in second and installs
In on bedplate 1, the display portion of the electronic digital indicator 24 connects shrouding 8 by slide calliper rule and slide calliper rule upper junction plate 9 is connected
On slide calliper rule.
The screw rod 11 of the top of the top board 1 is provided with wing nut 29, and the guide rod 2 of the top of the top board 1 is by the
Three nuts 30 are fixed, when in use, using rising or falling for the lifting controllable base 5 of wing nut 29.
Further to improve precision, deep groove ball bearing 23 is additionally provided with second through hole, the screw rod 11 passes through zanjon
It is engaged with the first nut 22 after ball bearing 23.
The operation principle of animal contusion of spinal cord ram of the invention is：
The first step, beating device is placed on the clean and tidy desktop of level, magnechuck 12 is switched on power so that pressure head 13
(linear bearing is used between outer tube and pressure head, can cause that pressure head realizes sensitivity in high precision into outer tube (not shown)
Steady linear motion high, at utmost reduces frictional force and ensures that the suffered frictional force of strike is consistent every time), and make it electric
The absorption of magnechuck 12 of magnetic-inductive device is fixed.
Second step, will expose the specific hit position of spinal cord rat (or other suitable experimental animals, the present embodiment with
Illustrated as a example by rat) it is placed on panel 14.
3rd step, panel 14 is put on the bedplate of beating device, adjusts rat front and back position so that pressure head 13 and rat
Spinal cord target damage position in same vertical line, up and down/left and right/front and rear adjustment panel 14 on vertebral plate (not shown),
It is accurate that pressing plate 35 is fixed position when ensureing strike by the vertebral plate of target location.
4th step, slow rotation high-precision screw 11 (being capable of achieving 0.01mm highly adjust) so that the scope of attack of pressure head 13 and
The endorchis on target spinal cord surface is gently contacted, and presses lathe high-precision digital-display slide measure 24 (accuracy 0.01mm)
" ZERO " key, school zero.
Pressure head 13 is transferred to target strike height by the 5th step, rotation high-precision screw, disconnects the power supply of magnechuck 12, is made
Obtain the freely falling body of pressure head 13 and clash into target spinal cord position, it is seen that spring and macroscopic spinal cord beating occur in the double hind legs of rat
In extravasated blood state, color and luster is dimmed for position, and pressure head 13 is boosted after counting certain hour (collision time of user's setting)
The outer tube of pin is clashed into, the power supply of magnechuck 12 is connected so that pressure head 13 is adsorbed by magnechuck to be fixed, in case strike next time
Use.
6th step, by hit damage after rat removed together with panel, carry out subsequent experimental procedure.
Embodiment two
Refering to shown in Fig. 6, in actual use, because the vertebral plate of rat still has general 4-5mm's apart from skin
Distance, if pressing plate 35 is using the structure of Fig. 5, pressing plate 35 sometimes presses not in place if directly subduing, and influences using effect.
For this on this basis again down plus a right angle effect can be quite a lot of, that is, be shaped asThus can preferably be imitated
Really.
The present invention when in use, can be fixedly secured target part vertebra, reduce to animal breath and the influence of circulation, reduce
Spinal cord blood supply reduces the interference for bringing, and only default strike is damaged, and improves animal survival rate.Electronic digital indicator will can be beaten
Hit high precision to 0.01mm, it is ensured that the accuracy of strike height, while leaving a fixed gap between pressure head and outer tube, can subtract
Few friction between pressure head and outer tube and ensure the accuracy of hitting power.
The present invention has been effectively ensured the accuracy of hit position, the accuracy of hitting dynamics, it is ensured that experiment effect and into
Power, and low cost, be easy to learn and use, it is worthy to be popularized.
Although being described in conjunction with the accompanying embodiments of the present invention, patent owner can be in appended claims
Within the scope of make various deformations or amendments, as long as no more than the protection domain described by claim of the invention, all should
Within protection scope of the present invention.
Claims (7)
1. a kind of animal contusion of spinal cord ram, it is characterised in that：Including bedplate, guide rod, top board, lifting pedestal, screw rod,
Magnechuck, pressure head, panel, pressure head connecting seat, lower platen, the first nut, electronic digital indicator and cantilever；The lower platen peace
Loaded on bedplate, the guide rod is vertical between top board and lower platen, and the screw rod is described between two guide rods
Lifting pedestal is located between top board and lower platen, and lifting pedestal is provided with the first through hole corresponding with guide rod, lifting pedestal
On be additionally provided with second through hole corresponding with screw rod, first nut in the second through hole, first nut and screw rod
It is engaged, on bedplate, the cantilever passes through pressure head connecting seat to the panel located at one end of lifting pedestal, the pressure head
The end of cantilever is installed on, the magnechuck controls pressure head with magnechuck located at the top of pressure head by electromagnetic induction
Connection disconnects, and the electronic digital indicator is on bedplate and electronic digital indicator is located at the side of guide rod.
2. animal contusion of spinal cord ram according to claim 1, it is characterised in that：Spacing group is additionally provided with the panel
Part, the limit assembly includes two position-limiting units being oppositely arranged, and each described position-limiting unit includes support column, fixation
Bar, part and pressing plate are screwed, the support column is provided with vertical stopper slot, and the fix bar is horizontally through the stopper slot, and
Fix bar is fixed by screwing part, medial end of the pressing plate located at fix bar.
3. animal contusion of spinal cord ram according to claim 1, it is characterised in that：Copper is additionally provided with the first through hole
Set, the guide rod is engaged with copper sheathing.
4. animal contusion of spinal cord ram according to claim 1, it is characterised in that：The screw rod of the lifting pedestal upper end
On be arranged with end cap, the end cap is fixed using hexagonal cylindrical hook bolt in first.
5. animal contusion of spinal cord ram according to claim 1, it is characterised in that：The lower end of the electronic digital indicator
The front side of slide calliper rule mounting base is installed on by slide calliper rule installing plate, the slide calliper rule mounting base is installed on bedplate, the number
The display portion of aobvious slide measure connects shrouding by slide calliper rule and slide calliper rule upper junction plate is connected on slide calliper rule.
6. animal contusion of spinal cord ram according to claim 1, it is characterised in that：Screw rod peace above the top board
Equipped with wing nut, the guide rod above the top board is fixed by the 3rd nut.
7. animal contusion of spinal cord ram according to claim 1, it is characterised in that：Depth is additionally provided with second through hole
Ditch ball bearing, the screw rod is engaged after passing through deep groove ball bearing with the first nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095183.3A CN106691619B (en) | 2017-02-22 | 2017-02-22 | A kind of animal contusion of spinal cord ram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095183.3A CN106691619B (en) | 2017-02-22 | 2017-02-22 | A kind of animal contusion of spinal cord ram |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106691619A true CN106691619A (en) | 2017-05-24 |
| CN106691619B CN106691619B (en) | 2019-02-19 |
Family
ID=58917170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710095183.3A Expired - Fee Related CN106691619B (en) | 2017-02-22 | 2017-02-22 | A kind of animal contusion of spinal cord ram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106691619B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020157617A1 (en) * | 2001-04-05 | 2002-10-31 | Reinkensmeyer David J. | Robotic device for locomotor training |
| CN101185589A (en) * | 2007-12-04 | 2008-05-28 | 中山大学 | Novel electric-controlled multi-use spinal cord beating device |
| CN101375810A (en) * | 2008-09-17 | 2009-03-04 | 北京航空航天大学 | Device for causing injury of laboratory animal |
| CN101485597A (en) * | 2009-03-03 | 2009-07-22 | 姜树东 | Injury striker for ventral side of spinal cord |
| CN201328880Y (en) * | 2008-11-17 | 2009-10-21 | 徐帆 | Simple model preparer for animals with spinal cord injuries |
| CN102379752A (en) * | 2011-08-22 | 2012-03-21 | 中南大学湘雅医院 | Automatic electric control gravity type acute spinal cord injury animal model modeling striker |
| CN102871768A (en) * | 2012-09-25 | 2013-01-16 | 南京航空航天大学 | Big gecko's vertebral column three-dimensional positioning device and method |
| CN104739537A (en) * | 2015-04-03 | 2015-07-01 | 绍兴文理学院 | Animal spinal cord injury hitting device |
-
2017
- 2017-02-22 CN CN201710095183.3A patent/CN106691619B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020157617A1 (en) * | 2001-04-05 | 2002-10-31 | Reinkensmeyer David J. | Robotic device for locomotor training |
| CN101185589A (en) * | 2007-12-04 | 2008-05-28 | 中山大学 | Novel electric-controlled multi-use spinal cord beating device |
| CN101375810A (en) * | 2008-09-17 | 2009-03-04 | 北京航空航天大学 | Device for causing injury of laboratory animal |
| CN201328880Y (en) * | 2008-11-17 | 2009-10-21 | 徐帆 | Simple model preparer for animals with spinal cord injuries |
| CN101485597A (en) * | 2009-03-03 | 2009-07-22 | 姜树东 | Injury striker for ventral side of spinal cord |
| CN102379752A (en) * | 2011-08-22 | 2012-03-21 | 中南大学湘雅医院 | Automatic electric control gravity type acute spinal cord injury animal model modeling striker |
| CN102871768A (en) * | 2012-09-25 | 2013-01-16 | 南京航空航天大学 | Big gecko's vertebral column three-dimensional positioning device and method |
| CN104739537A (en) * | 2015-04-03 | 2015-07-01 | 绍兴文理学院 | Animal spinal cord injury hitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106691619B (en) | 2019-02-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190219 Termination date: 20200222 |