CN109009538A - A kind of spinal cord injury simulated experiment percussion device - Google Patents
A kind of spinal cord injury simulated experiment percussion device Download PDFInfo
- Publication number
- CN109009538A CN109009538A CN201810932461.0A CN201810932461A CN109009538A CN 109009538 A CN109009538 A CN 109009538A CN 201810932461 A CN201810932461 A CN 201810932461A CN 109009538 A CN109009538 A CN 109009538A
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- workbench
- percussion device
- gear
- plate
- striker
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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
Abstract
The present invention provides a kind of spinal cord injury simulated experiment percussion device, belong to animal experiment device field, including workbench, back side percussion device and veutro percussion device, the back side percussion device is located above workbench by support device, and the veutro percussion device is located on workbench；The back side percussion device includes the control device that sliding sleeve, rack gear, the first striker, first gear, motor and control rack gear are engaged with first gear, are detached from, and the control device includes direct drive type electro magnet, slide plate and support plate；The veutro percussion device includes movable plate, second gear, wind, the first fixed plate, the second fixed plate, elastic component and the second striker；The end face of the workbench is equipped with adjusting panel.Percussion device of the invention had both included back side percussion device and veutro percussion device, can satisfy kinds of experiments requirement.
Description
Technical field
The invention belongs to animal experiment device fields, and in particular to a kind of spinal cord injury simulated experiment percussion device.
Background technique
Spinal cord injury (SCI) is the complication of spinal injury most serious, frequently can lead to damage segment and is generated with lower limb body
Serious dysfunction.Spinal cord injury can not only bring the grievous injury of body and psychology to sufferers themselves, can also be to entire society
It will cause huge financial burden, but the treatment of spinal cord injury is still a great problem of medical field so far, the reason is that
The pathophysiological mechanism of SCI is extremely complex, and research worker recognizes it deep not enough, comprehensive.Establish standard, reliable
Can SCI model be the premise for carrying out SCI research and treatment, make progress and be of great significance for research.
Currently, the mankind obtain the knowledge in relation to SCI mostly from animal spinal cord damage model, traditional animal spinal cord injury is hit
Hit experiment generally use weight fall method hit spinal cord back side, weight fall impact-model due in damage physiological responses and
It is presently most used acute spinal cord injury animal mould closer to the spinal cord injury of people in terms of the Pathological Physiology of secondary injury
One of type.Domestic many research institutions and scientific research personnel also improve spinal cord injury beating device, propose many improvement
Device, but these devices substantially all can only cannot hit spinal cord dorsal side impaction to ventral side of spinal cord, thus cannot be to veutro ridge
The impaired situation of marrow is simulated.
Summary of the invention
The present invention provides a kind of spinal cord injury simulated experiment percussion device, it is desirable to provide one kind can simulate spinal cord back side
Damage, and the percussion device of ventral side of spinal cord damage can be simulated, to solve problems of the prior art.
The present invention provide a kind of spinal cord injury simulated experiment percussion device, including workbench, back side percussion device with
And veutro percussion device, the back side percussion device are located above workbench by support device, the veutro percussion device
It is located on workbench；The back side percussion device includes sliding sleeve, rack gear, the first striker, first gear and motor, the sliding sleeve
It is vertically arranged, and is connect by horizontally disposed connecting rod with support device, a side opening of the sliding sleeve far from connecting rod, institute
It states rack gear vertical sliding to be connected in sliding sleeve, and can be intermeshed with the first gear, the output shaft of the motor and
The connection of one gear, first striker are fixed on the lower end surface of rack gear, and the back side percussion device further includes control rack gear and the
The control device of the engagement of one gear, disengaging, the control device includes direct drive type electro magnet, slide plate and support plate, the support
Plate is connect by horizontally disposed connecting rod with support device, and the slide plate slides connection is on the supporting plate, solid on the slide plate
It is connected to motor, the direct drive type electro magnet is located in support plate, and the push rod of the direct drive type electro magnet is connect with sliding panel；Institute
Stating veutro percussion device includes that movable plate, second gear, wind, the first fixed plate, the second fixed plate, elastic component and second are hit
Needle, the movable plate are slidably connected on workbench, and the movable plate is arranged close to the side of workbench, the movement
The lower surface of plate is equipped with teeth along its length, is provided with groove along movable plate moving direction on the workbench, and described second
Gear is located in groove, and the second gear and the teeth of movable plate lower surface are intermeshed, the surface of the second gear
It is connected with shaft, the shaft passes through groove far from one end of second gear and extends to outside workbench, and the shaft extends to
One end outside workbench is connected with wind, and first fixed plate is located at movable plate upper surface, and second fixed plate is set
In side of the workbench far from the first fixed plate, and corresponding with the first fixed plate, first fixed plate and second fixed
Multiple slide bars that are parallel to each other are equipped between plate, one end of each slide bar is affixed with the second fixed plate, and the other end both passes through
First fixed plate, one end that each slide bar is pierced by the first fixed plate are equipped with stop nut, cover on each slide bar
It is connected to elastic component, second striker is connect by horizontally disposed connecting rod with movable plate, second striker and connecting rod
It is vertical affixed in the horizontal plane.
Preferably, the bottom end of first striker is equipped with first pressure sensor, and the bottom end of the rack gear is passed equipped with ranging
Sensor, second striker are equipped with second pressure sensor far from one end of connecting rod, and the slide bar is equipped with scale, the work
Make platform end face be equipped with adjusting panel, the adjusting panel be equipped with the first display screen, regulating key, second display screen,
Motor switch and direct drive type electro magnet switch, are equipped with controller in the adjusting panel, the motor, distance measuring sensor with control
Device processed is electrically connected, and the first pressure sensor and second pressure sensor are electrically connected with second display screen, the electricity
Machine switch and electrical connection of motor, the direct drive type electro magnet switch are connect with direct driving type electromagnetic ferroelectricity, can pass through adjusting
The height of first shock needle is arranged in key, and height number can show screen display first, press motor after highly setting and open
It closes, rack gear rises along sliding sleeve under the action of first gear and rack gear, and when rising to the height of setting, controller controls motor
It stopping operating, opens direct drive type electro magnet switch at this time, direct driving type electromagnetic Tie Tong is electric, after direct driving type electromagnetic Tie Tong electricity, push rod meeting
It stretches out, pushes slide plate slides certain distance, be detached from rack gear and first gear, without the engagement of first gear, rack gear can edge
Sliding sleeve falls, and drives the first striker impact animal back lateral ridge marrow, and first pressure sensor measurement is hit the pressure of moment and passed through
Second display screen is shown.
Preferably, the support device close to workbench side be arranged, the support device include the first column and
Second column is socketed with first sleeve on first column, and the first sleeve can be moved up and down along the first column, described
First sleeve is equipped with the first fastening bolt, and the sliding sleeve is connect by first connecting rod with first sleeve, second column
On be socketed with second sleeve, the second sleeve can be moved up and down along the second column, and it is tight that the second sleeve is equipped with second
Fixing bolt, the support plate are connect by the second connecting rod with second sleeve, can be adjusted according to the needs back side percussion device
Highly, second striker is connect by third connecting rod with movable plate.
It is highly preferred that the first connecting rod, the second connecting rod and third connecting rod are telescopic rod.
Preferably, the workbench is equipped with animal fixing device, and the animal fixing device is multiple fixing clasps
Or multiple restrainings.
The present invention provides a kind of spinal cord injury simulated experiment percussion device, compared with prior art, has beneficial below
Effect: 1, percussion device of the invention had both included back side percussion device and veutro percussion device, can satisfy kinds of experiments requirement；
2, back side percussion device of the invention can set different height by regulating key, control motor rotation by controller,
And stop after so that the first striker is risen to setting position by first gear rack-driving, and the pressure value for hitting moment can lead to
It crosses second display screen to show, facilitates operation；3, veutro percussion device of the invention can by wind drive second gear from
And movable plate is driven to be moved to different positions, to make elastic component generate different screen resiliences, to simulate different impact forces
Size.
Detailed description of the invention
Fig. 1 is the main view under spinal cord injury simulated experiment percussion device original state of the present invention；
Fig. 2 is cross-sectional view at A-A in Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the structural schematic diagram under spinal cord injury simulated experiment percussion device use state of the present invention.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
As shown in Figure 1-3, a kind of spinal cord injury simulated experiment percussion device, including workbench 1, back side percussion device
And veutro percussion device, the lower surface of the workbench 1 are set there are four support, four supports are distributed in workbench
Four vertex of 1 lower surface, the back side percussion device are located at 1 top of workbench, the support dress by support device
The left side setting of nearly workbench 1 is rested against, the support device includes the first column 201 and the second column 202, and described first is vertical
The bottom end of column 201 and the second column 202 and the upper surface of workbench 1 are affixed, are socketed with first set on first column 201
Cylinder 203, the first sleeve 203 can be moved up and down along the first column 201, and the first sleeve 201 is equipped with the first fastening
Bolt is socketed with second sleeve 204 on second column 202, and the second sleeve 204 can be along the second about 202 column
Mobile, the second sleeve 202 is equipped with the second fastening bolt.
The back side percussion device includes sliding sleeve 301, rack gear 302, the first striker 303, first gear 304 and motor 305,
The sliding sleeve 301 is vertically arranged, and is connect by horizontally disposed first connecting rod 306 with first sleeve 203, the sliding sleeve
301 right side is provided with recess, i.e., the cross section of the described sliding sleeve 301 is concave character type, and 302 vertical sliding of rack gear is connected to sliding sleeve
It in 301 recess, and can be intermeshed with the first gear 304, the top of the rack gear 302 is additionally provided with baffle, described
The size of baffle is greater than the size of recess, prevents rack gear from sliding when falling from sliding slot 301, the output shaft of the motor 305 and the
The connection of one gear 304, the first gear 304 are arranged close to the top of rack gear 302, and first striker 303 is fixed on rack gear
302 lower end surface, the bottom end of first striker 303 are equipped with first pressure sensor, and the bottom end of the rack gear 302 is equipped with ranging
Sensor；The back side percussion device further includes the control device for controlling rack gear 302 and engaging, being detached from first gear 304, described
Control device includes direct drive type electro magnet 307, slide plate 308 and support plate 309, and the support plate 309 passes through horizontally disposed the
Two connecting rods 310 and second sleeve 204 are affixed, and 309 surface of support plate is provided with sliding slot, and the slide plate 308 passes through lower surface
Sliding block be slidably connected in support plate 309, motor 305 is connected on the slide plate 308, the direct drive type electro magnet 307 is set
In support plate 309, and the push rod of the direct drive type electro magnet 307 is connect with the end of slide plate 308.
The veutro percussion device is located on workbench 1, and is arranged on the right side of workbench 1, and the veutro is hit
Device includes movable plate 401, second gear 402, wind 403, the first fixed plate 404, the second fixed plate 405,406 and of spring
Second striker 407, the sliding block and sliding slot that the movable plate 401 is connected by slide fit are slidably connected on workbench 1, the shifting
The lower surface of movable plate 401 is equipped with teeth along its length, is provided with groove along 401 moving direction of movable plate on the workbench 1
101, the groove 101 is located at the lower section of movable plate 401, and the second gear 402 can be turned by the connecting shaft that left surface is arranged
Dynamic to be located in groove 101, the second gear 402 is located at the middle position of 101 length direction of groove, and the second gear
402 are intermeshed with the teeth of 401 lower surface of movable plate, and the right table of the second gear 402 is connected with shaft, the shaft
Right end passes through groove 101 and extends to outside workbench 1, and the right end of the shaft is connected with wind 403, first fixed plate
404 are located at the upper surface of movable plate 401, and are arranged close to the end of movable plate 401, and second fixed plate 405 is located at work
Side of the platform 1 far from the first fixed plate 404, and, first fixed plate 404 and second corresponding with the first fixed plate 404
It is set between fixed plate 405 there are two the slide bar 408 that is parallel to each other, one end of each slide bar 408 is solid with the second fixed plate 405
It connects, the other end both passes through the first fixed plate 404, and one end that each slide bar 408 is pierced by the first fixed plate 404 is equipped with limit
Nut 409, is socketed with spring 406 on each slide bar 408, and one of slide bar 408 is equipped with scale, and described second
Striker 407 is connect by horizontally disposed third connecting rod 410 with the left end of movable plate 401, second striker 407 and third
Connecting rod 410 is vertical affixed in the horizontal plane, and second striker 407 is equipped with the second pressure far from one end of third connecting rod 410
Force snesor.
Thousand end faces of the workbench 1 are equipped with adjusting panel 5, and the adjusting panel 5 is equipped with the first display screen, adjusts
Key, second display screen, motor switch and direct drive type electro magnet switch are saved, is equipped with controller, the control in the adjusting panel
Device processed is 51 single-chip microcontrollers, and the motor 305, distance measuring sensor are electrically connected with controller, and the regulating key and ranging pass
Sensor is electrically connected, and the first pressure sensor and second pressure sensor are electrically connected with second display screen, and described the
One display screen and regulating key are electrically connected, the motor switch and electrical connection of motor, the direct drive type electro magnet switch with
Direct drive type electro magnet 306 is electrically connected.
It should be noted that the first connecting rod 306, the second connecting rod 309 and third connecting rod 410 are flexible
Bar can according to need and be adjusted；It is additionally provided on the workbench 1 animal fixing device (being not drawn into figure), it is described dynamic
The fixed device of object is multiple restrainings, the four limbs of animal can be fixed, and restraining specific structure is the prior art.
Back side collision theory of the present invention is: when original state, rack gear 302 is limited by top plate on 301 top of sliding sleeve, is adjusted
The height of first sleeve 203 contacts the bottom end of the first striker 303 with the upper surface of workbench 1, then passes through regulating key
The bottom end of first striker 303 is set at a distance from 1 upper surface of workbench, is denoted as S1, the specific value of S1 can be shown in first
On display screen, the length of the first striker 303 of note is L, since the bottom end of rack gear 302 is arranged in distance measuring sensor, so first hits
The bottom end of needle 303 at a distance from 1 upper surface of workbench be S1 when, distance measuring sensor measure apart from 1 upper surface of workbench
Distance be S1+L；Motor switch is pressed after highly setting, the work of motor 305 drives first gear 304 to rotate, the first tooth
304 band carry-over bar 302 of wheel rises along sliding sleeve 301, as shown in figure 4, ranging passes when the distance that distance measuring sensor measures is S1+L
Signal is passed to controller by sensor, and controller control motor 305 stops working, and animal is placed on workbench 1 at this time
Suitable position, and fixed by restraining, direct drive type electro magnet switch is pressed at this time, and direct drive type electro magnet 307 is powered, Direct Action Type
After electromagnet 307 is powered, push rod stretches out, and slide plate 308 is pushed to slide certain distance, keeps rack gear 302 and first gear 304 de-
From without the engagement of first gear 304, rack gear 302 falls along sliding sleeve 301, and the first striker 303 is driven to hit animal back lateral ridge
Marrow, first pressure sensor measurement are hit the pressure of moment and are shown by second display screen；After shock, animal is taken
Under, rack gear 302 continues to fall to the first striker 303 to be contacted with 1 upper surface of workbench, closes direct drive type electro magnet switch, directly
Dynamic formula electromagnet 307 powers off, and push rod is replied under the action of the spring, so that slide plate 308 is driven to be returned to initial position, this hour rack
302 and first gear 304 engage, the test of a new round can be started；Different height is set by regulating key, can be studied
Different impact forces survey the influence of spinal cord to back.
Veutro collision theory of the present invention: driving second gear 402 to rotate by wind 403, due to the engagement of teeth, the
It is mobile that two gears 402 will drive movable plate 401, thus drive the first fixed plate 404 mobile, the mobile mistake of the first fixed plate 404
Meeting compressed spring 406 in journey, as shown in Figure 4；When the first fixed plate 404 is moved at appropriate scale, animal is fixed on properly
Then wind 403 is unclamped in position, movable plate 401 can reply under the action of the spring, and movable plate 401 drives the when replying
Two strikers 407 hit the veutro of animal spinal cord, and the pressure for hitting moment is shown by second display screen, can be by moving the
One fixed plate 404 simulates different impact forces to different location.
Disclosed above is only two specific embodiments of the invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (5)
1. a kind of spinal cord injury simulated experiment percussion device, which is characterized in that including workbench (1), back side percussion device
And veutro percussion device, the back side percussion device are located above workbench (1) by support device, the veutro is hit
Device is located on workbench (1)；
The back side percussion device includes sliding sleeve (301), rack gear (302), the first striker (303), first gear (304) and motor
(305), the sliding sleeve (301) is vertically arranged, and is connect by horizontally disposed connecting rod with support device, the sliding sleeve
(301) side far from connecting rod is provided with recess, and rack gear (302) vertical sliding is connected in the recess of sliding sleeve (301), institute
The lower end surface that the first striker (303) is fixed on rack gear (302) is stated, the output shaft of the motor (305) and first gear (304) are even
Connect, the first gear (304) can engage with rack gear (302), the back side percussion device further include control rack gear (302) with
The control device of first gear (304) engagement, disengaging, the control device includes direct drive type electro magnet (307), slide plate (308)
With support plate (309), the support plate (309) is connect by horizontally disposed connecting rod with support device, the slide plate (308)
It is slidably connected on support plate (309), is connected with motor (305) on the slide plate (308), the direct drive type electro magnet (307)
It is located on support plate (309), and the push rod of the direct drive type electro magnet (307) is connect with slide plate (308)；
The veutro percussion device includes movable plate (401), second gear (402), wind (403), the first fixed plate
(404), the second fixed plate (405), elastic component and the second striker (407), the movable plate (401) are slidably connected at workbench
(1) on, and the movable plate (401) is arranged close to the side of workbench (1), and the lower surface of the movable plate (401) is along length
It spends direction and is equipped with teeth, be provided with groove (101) on the workbench (1) along movable plate (401) moving direction, second tooth
Wheel (402) is rotatably located in groove (101), and the second gear (402) and the teeth of movable plate (401) lower surface are mutual
Engagement, the second gear (402) are driven by being located at the wind (403) of workbench (1) outside, first fixed plate
(404) it is located at movable plate (401) upper surface, second fixed plate (405) is located at workbench (1) far from the first fixed plate
(404) side, and corresponding with the first fixed plate (404), first fixed plate (404) and the second fixed plate (405) it
Between be equipped with multiple slide bars that are parallel to each other (408), one end of each slide bar (408) is affixed with the second fixed plate (405), separately
One end both passes through the first fixed plate (404), and one end that each slide bar (408) is pierced by the first fixed plate (404) is all provided with limited
Position nut (409), elastic component is socketed on each slide bar (408), and second striker (407) passes through horizontally disposed
Connecting rod is connect with movable plate (401), and second striker (407) is vertical affixed in the horizontal plane with connecting rod.
2. spinal cord injury simulated experiment percussion device according to claim 1, which is characterized in that first striker
(303) bottom end is equipped with first pressure sensor, and the bottom end of the rack gear (302) is equipped with distance measuring sensor, second striker
(407) one end far from connecting rod is equipped with second pressure sensor, and the slide bar (408) is equipped with scale, the workbench
(1) end face is equipped with adjusting panel (5), and the adjusting panel (5), which is equipped with, adjusts the first striker (303) and workbench
(1) regulating key of surface distance, for show the first striker (303) and workbench (1) surface distance the first display screen,
For showing the second display screen for hitting instantaneous pressure value, motor switch and direct drive type electro magnet switch, the adjusting panel (5)
It is interior be equipped with controller, the motor (305), distance measuring sensor with controller be electrically connected, the first pressure sensor and
Second pressure sensor is electrically connected with second display screen.
3. spinal cord injury simulated experiment percussion device according to claim 1, which is characterized in that the support device is leaned on
The side setting of nearly workbench (1), the support device include the first column (201) and the second column (202), and described first
Being socketed on column (201) can pass through along the first sleeve (203) that the first column (201) move up and down, the sliding sleeve (301)
First connecting rod (306) is connect with first sleeve (203), and being socketed on second column (202) can be along the second column
(202) second sleeve (204) moved up and down, the support plate (309) pass through the second connecting rod (310) and second sleeve
(204) it connects, second striker (407) is connect by third connecting rod (410) with movable plate (401).
4. spinal cord injury simulated experiment percussion device according to claim 3, which is characterized in that the first connecting rod
(306), the second connecting rod (310) and third connecting rod (410) are telescopic rod.
5. spinal cord injury simulated experiment percussion device according to claim 1, which is characterized in that the workbench
(1) animal fixing device is additionally provided on, the animal fixing device is multiple fixing clasps or multiple restrainings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932461.0A CN109009538A (en) | 2018-08-16 | 2018-08-16 | A kind of spinal cord injury simulated experiment percussion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932461.0A CN109009538A (en) | 2018-08-16 | 2018-08-16 | A kind of spinal cord injury simulated experiment percussion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109009538A true CN109009538A (en) | 2018-12-18 |
Family
ID=64630583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810932461.0A Pending CN109009538A (en) | 2018-08-16 | 2018-08-16 | A kind of spinal cord injury simulated experiment percussion device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109009538A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745140A (en) * | 2019-02-21 | 2019-05-14 | 上海塔望智能科技有限公司 | A kind of animal spinal cord injury system |
| CN111938863A (en) * | 2020-07-01 | 2020-11-17 | 白新院 | Automatic prop big coracoid and poultry management of dosing is with medicine feeding device many times |
| CN115024851A (en) * | 2022-08-01 | 2022-09-09 | 暨南大学 | Automatic change spinal cord injury animal model preparation facilities |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103006346A (en) * | 2012-12-31 | 2013-04-03 | 中国科学院自动化研究所 | Spinal cord injury percussion apparatus |
| CN103505300A (en) * | 2013-09-29 | 2014-01-15 | 四川大学华西医院 | Rat acceleration and deceleration brain trauma striking system |
| CN204994406U (en) * | 2015-08-05 | 2016-01-27 | 中国人民解放军第二军医大学 | Experimental device for be used for preparing spinal cord veutro damage animal models |
| CN105727466A (en) * | 2016-05-08 | 2016-07-06 | 陈烁 | Elastic smasher |
| CN205866881U (en) * | 2016-05-10 | 2017-01-11 | 福建中医药大学 | Strike controllable spinal cord injury striking device of effect |
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2018
- 2018-08-16 CN CN201810932461.0A patent/CN109009538A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103006346A (en) * | 2012-12-31 | 2013-04-03 | 中国科学院自动化研究所 | Spinal cord injury percussion apparatus |
| CN103505300A (en) * | 2013-09-29 | 2014-01-15 | 四川大学华西医院 | Rat acceleration and deceleration brain trauma striking system |
| CN204994406U (en) * | 2015-08-05 | 2016-01-27 | 中国人民解放军第二军医大学 | Experimental device for be used for preparing spinal cord veutro damage animal models |
| CN105727466A (en) * | 2016-05-08 | 2016-07-06 | 陈烁 | Elastic smasher |
| CN205866881U (en) * | 2016-05-10 | 2017-01-11 | 福建中医药大学 | Strike controllable spinal cord injury striking device of effect |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745140A (en) * | 2019-02-21 | 2019-05-14 | 上海塔望智能科技有限公司 | A kind of animal spinal cord injury system |
| CN111938863A (en) * | 2020-07-01 | 2020-11-17 | 白新院 | Automatic prop big coracoid and poultry management of dosing is with medicine feeding device many times |
| CN115024851A (en) * | 2022-08-01 | 2022-09-09 | 暨南大学 | Automatic change spinal cord injury animal model preparation facilities |
| CN115024851B (en) * | 2022-08-01 | 2023-10-20 | 暨南大学 | Automatic spinal cord injury animal model preparation device |
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Application publication date: 20181218 |