CN207202963U - A kind of animal contusion of spinal cord ram - Google Patents

A kind of animal contusion of spinal cord ram Download PDF

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Publication number
CN207202963U
CN207202963U CN201720158736.0U CN201720158736U CN207202963U CN 207202963 U CN207202963 U CN 207202963U CN 201720158736 U CN201720158736 U CN 201720158736U CN 207202963 U CN207202963 U CN 207202963U
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CN
China
Prior art keywords
animal
pressure head
spinal cord
contusion
screw rod
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.)
Expired - Fee Related
Application number
CN201720158736.0U
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Chinese (zh)
Inventor
范春玲
刘素美
张冬洪
王宁
王媛梅
王慧
陈旦
黄菊芳
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Central South University
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Central South University
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Publication date
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Priority to CN201720158736.0U priority Critical patent/CN207202963U/en
Application granted granted Critical
Publication of CN207202963U publication Critical patent/CN207202963U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of animal contusion of spinal cord ram, lower platen is installed on bedplate, guide rod is vertical between top board and lower platen, screw rod is between two guide rods, lifting pedestal is located between top board and lower platen, lifting pedestal is provided with the first through hole corresponding with guide rod, second through hole corresponding with screw rod is additionally provided with lifting pedestal, first nut is in the second through hole, first nut is engaged with screw rod, panel is on bedplate, cantilever is located at one end of lifting pedestal, pressure head is installed on the end of cantilever by pressure head connecting seat, magnechuck is located at the top of pressure head, the connection or disconnection of pressure head and magnechuck are controlled by electromagnetic induction, electronic digital indicator is on bedplate and electronic digital indicator is located at the side of guide rod.The accuracy of hit position, the accuracy of hitting dynamics has been effectively ensured in the utility model, ensure that experiment effect and success rate, and cost is low, is easy to learn and use, and is worthy to be popularized.

Description

A kind of animal contusion of spinal cord ram
Technical field
Zoopery equipment technology field is the utility model is related to, more specifically, more particularly to a kind of animal spinal cord is frustrated Hinder ram.
Background technology
The animal model of spinal cord injury is the important foundation for studying central nervous system injury and Regeneration and Repair.Currently used ridge The animal model of marrow damage includes hitting, extruding and the various forms such as cross-section.No matter the wherein weight impact-model that falls is damaging Pathophysiological change of physiological reaction and secondary injury after form, or damage etc. can preferably simulate actual life The spinal cord injury of middle people, it 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 for plan by strike spinal segment position The accurate fixing device of vertebral plate.And in actual operation operating process, if vertebral plate fixation is bad, when hitting spinal cord, easily draw The displacement of animal is played, and then drives the displacement of intraspinal tube spinal cord.One side can cause the dynamics actually hit and position with presetting Have deviation;The deviation between different animals individual can be more importantly caused to increase, the consequences such as experimental data is unstable.Cause This, designs a animal contusion of spinal cord ram that can precisely fix vertebral plate, to experimental data it is reliable and stable have it is great Meaning.
Utility model content
The purpose of this utility model is that providing a kind of animal contusion of spinal cord simple in construction, can precisely fixing vertebral plate hits Device.
In order to achieve the above object, the technical solution adopted in the utility model 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 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, first nut is in the second through hole, and first nut is engaged with screw rod, institute Panel is stated on bedplate, the cantilever is located at one end of lifting pedestal, and the pressure head is installed on outstanding by pressure head connecting seat The end of arm, the magnechuck are 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, limit assembly is additionally provided with the panel, the limit assembly is oppositely arranged spacing including two Unit, each position-limiting unit include support column, fix bar, screw 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 are installed on bedplate, and the display portion of the electronic digital indicator connects shrouding by slide calliper rule It is connected to slide calliper rule upper junction plate on slide calliper rule.
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, it is additionally provided with deep groove ball bearing in second through hole, the screw rod is passed through after deep groove ball bearing with the One nut is engaged.
Compared with prior art, the utility model has the advantage of:The standard of hit position has been effectively ensured in the utility model True property, the accuracy of hitting dynamics, ensure that experiment effect and success rate, and cost is low, is easy to learn and use, and is worthy to be popularized.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of animal contusion of spinal cord ram described in the utility model.
Fig. 2 is the side view of animal contusion of spinal cord ram described in the utility model.
Fig. 3 is the enlarged drawing at A-A in the utility model Fig. 1.
Fig. 4 is the top view of animal contusion of spinal cord ram described in the utility model.
Fig. 5 is a kind of structural representation of animal contusion of spinal cord ram center platen described in the utility model.
Fig. 6 is another structural representation of animal contusion of spinal cord ram center platen described in the utility model.
Description of reference numerals:1st, bedplate, hexagonal in 2, guide rod, 3, top board, 4, copper sheathing, 5, lifting pedestal, 6, first Cylinder head bolt, six point cylindrical head bolt in 7, second, 8, slide calliper rule connection shrouding, 9, slide calliper rule upper junction plate, 10, end cap, 11, spiral shell Bar, hexagonal in the 12, magnechuck, 13, pressure head, 14, panel, 15, pressure head connecting seat, 16, limit assembly, 17, key, the 18, the 3rd Cylinder head bolt, six point cylindrical head 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.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model Define.
Embodiment one
Refering to shown in Fig. 1-Fig. 4, the utility model provides a kind of animal contusion of spinal cord ram, including bedplate 1, guide rod 2nd, top board 3, lifting pedestal 5, screw rod 11, magnechuck 12, pressure head 13, panel 14, pressure head connecting seat 15, lower platen 20, One nut 22, electronic digital indicator 24 and cantilever 31.
The lower platen 20 is installed on bedplate 1 by six point cylindrical head bolt 19 in the 4th, and hexagonal is justified 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.
For the panel 14 by key 17 on the bedplate 1, the cantilever 31 passes through six point cylindrical head bolt 18 in the 3rd 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 are located at the top of pressure head 13, and 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.
Be additionally provided with limit assembly 16 on 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 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 To through the stopper slot 36, and fix bar 33 is fixed by screwing part 34, and the pressing plate 35 is located at the medial extremity of fix bar 33 Portion.
As shown in fig.5, the pressing plate 35 is " L " shape from the side, an only right angle, basic want can be met 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 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) it is installed on the front side of slide calliper rule mounting base 26, the slide calliper rule mounting base 26 is installed by six point cylindrical head bolt 7 in second 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 connects 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 top board 1 passes through 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 after ball bearing 23 with the first nut 22.
The operation principle of animal contusion of spinal cord ram of the present utility model is:
The first step, beating device is placed on horizontal clean and tidy desktop, magnechuck 12 switched on power so that pressure head 13 Into outer tube (not shown) (linear bearing is used between outer tube and pressure head, pressure head can be caused to realize high sensitivity precision High steady linear motion, at utmost reduce frictional force and ensure that the frictional force that strike is suffered every time is consistent), and make it electric The absorption of magnechuck 12 of magnetic-inductive device is fixed.
Second step, by the rat of the good specific hit position of spinal cord of exposure (or other suitable experimental animals, the present embodiment with Illustrated exemplified 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 is in same vertical line, the vertebral plate (not shown) on up and down/left and right/front and rear adjustment panel 14, It is accurate that pressing plate 35 fixes the vertebral plate of target location position when ensureing strike.
4th step, slowly rotation high-precision screw 11 (can be achieved 0.01mm highly adjust) so that the scope of attack of pressure head 13 and The endorchis on target spinal cord surface gently contacts, 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, is disconnected the power supply of magnechuck 12, is made Obtain the freely falling body of pressure head 13 and hit target spinal cord position, it is seen that the double hind legs of rat occur bouncing and macroscopic spinal cord beating Position is in extravasated blood state and color and luster is dimmed, and pressure head 13 is boosted after counting certain time (collision time of user's setting) The outer tube of pin is hit, connects the power supply of magnechuck 12 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
As shown in fig.6, in actual use, because the vertebral plate of rat still has general 4-5mm's apart from skin Distance, if structure of the pressing plate 35 using Fig. 5, pressing plate 35 is sometimes pressed not in place if directly subduing, influence using effect. Down add a right angle effect can be quite a lot of again on this basis for this, that is, be shaped asThus can preferably it be imitated Fruit.
The utility model when in use, can be fixedly secured target part vertebra, reduce the influence to animal breath and circulation, Reduce spinal cord blood supply and reduce the interference brought, and only default strike damages, and improves animal survival rate.Electronic digital indicator can Strike high precision is hit into the accuracy of height to 0.01mm, guarantee, while a fixed gap is left between pressure head and outer tube, The friction between pressure head and outer tube can be reduced and ensure the accuracy of hitting power.
The accuracy of hit position, the accuracy of hitting dynamics has been effectively ensured in the utility model, ensure that experiment effect And success rate, and cost is low, is easy to learn and use, and is worthy to be popularized.
Although being described in conjunction with the accompanying embodiment of the present utility model, patent owner can want in appended right Various deformations or amendments are made within the scope of asking, as long as no more than the protection model described by claim of the present utility model Enclose, all should be within the scope of protection of the utility model.

Claims (7)

  1. A kind of 1. 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 is in the second through hole, first nut and screw rod It is engaged, for the panel on bedplate, the cantilever is located at one end of lifting pedestal, and the pressure head passes through pressure head connecting seat It is installed on the end of cantilever, the magnechuck is located at the top of pressure head, and pressure head and magnechuck are controlled 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. 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 include two position-limiting units being oppositely arranged, and each position-limiting unit includes support column, fixation Bar, part and pressing plate being 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, and the pressing plate is located at the medial end of fix bar.
  3. 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 are engaged with copper sheathing.
  4. 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 six point cylindrical head bolt in first.
  5. 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. 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. 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 are engaged after passing through deep groove ball bearing with the first nut.
CN201720158736.0U 2017-02-22 2017-02-22 A kind of animal contusion of spinal cord ram Expired - Fee Related CN207202963U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720158736.0U CN207202963U (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
CN201720158736.0U CN207202963U (en) 2017-02-22 2017-02-22 A kind of animal contusion of spinal cord ram

Publications (1)

Publication Number Publication Date
CN207202963U true CN207202963U (en) 2018-04-10

Family

ID=61810253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720158736.0U Expired - Fee Related CN207202963U (en) 2017-02-22 2017-02-22 A kind of animal contusion of spinal cord ram

Country Status (1)

Country Link
CN (1) CN207202963U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180410

Termination date: 20190222

CF01 Termination of patent right due to non-payment of annual fee