CN104720883A - Rodent spine fixing device - Google Patents
Rodent spine fixing device Download PDFInfo
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- CN104720883A CN104720883A CN201510115214.8A CN201510115214A CN104720883A CN 104720883 A CN104720883 A CN 104720883A CN 201510115214 A CN201510115214 A CN 201510115214A CN 104720883 A CN104720883 A CN 104720883A
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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 invention relates to the technical field of medical equipment, in particular to a rodent spine fixing device. The rodent spine fixing device comprises a bottom plate, a left spine fixing clamp and a right spine fixing clamp, wherein the left spine fixing clamp and the right spine fixing clamp are arranged on the bottom plate and located on the same horizontal line. The left spine fixing clamp comprises a first vertical connection rod, a first vertical screw, a first horizontal screw and a first connection block. The right spine fixing clamp comprises a second vertical connection rod, a second vertical screw, a second horizontal screw and a second connection block. The opposite faces of the first horizontal screw and the second horizontal screw are provided with at least one set of tooth-shaped clamp bodies respectively. The rodent spine fixing device has the advantages that the first vertical screw, the second vertical screw, the first horizontal screw and the second horizontal screw are rotated to adjust the vertical height and the horizontal relative distance of the device; first tooth-shaped clamp fixing blocks and second tooth-shaped clamp fixing blocks are provided with a plurality of sets of tooth-shaped clamp clamping grooves to configure the tooth-shaped clamp bodies of different shapes, and the purpose of fixing the spines of rodents of different sizes is achieved.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically a kind of rodent spinal fixation system.
Background technology
Spinal cord injury is the disease that a kind of disability rate is very high, and the pathophysiological mechanism after spinal cord injury is very complicated, and current people are familiar with still comprehensive to this and go deep into, and carry out experimentation just seem particularly important by the animal model setting up spinal cord injury.
Damaging close to human myeloid the most when studying spinal cord injury, better can assess clinical efficacy, the most frequently used animal model is imitation contusion and laceration of spinal cord, i.e. Allen ' s model.Rat economy is easy to get, form, biochemistry and changing function after spinal cord injury is similar to people's spinal cord injury; Murine genes is easily transformed, and is suitable for the influence research of Gene intervention to spinal cord injury and reparation.Therefore large and small Mus is usually chosen as the laboratory animal of research spinal cord injury.Need to fixedly secure the spinal column of rat and mouse when making Allen ' s model, abundant exposing spinal cord.
The spinal operation adapter of clamping system, Stoelting company is had at present for the device be fixed rodent operation on spinal cord.These fixtures or height can not adjust, or the parts needing adjustment fixing are more, and operation is relatively complicated.And zoopery is usually single enforcement, therefore need easy-to-use, a single device getting final product complete operation simple to operate.
Application number is " 201210360893.1 ", application publication number is " CN 102871768 A ", name is called that the Chinese invention patent of " gecko spinal column 3 D positioning equipment and method " discloses a kind of gecko spinal column 3 D positioning equipment, comprise base, be installed on from do on U-shaped bearing, also comprise the left spinal column adapter being positioned at same level line and right spinal column adapter that are installed on U-shaped bearing U-shaped two ends respectively; This horizontal line is called the first horizontal line, and described left spinal column adapter is corresponding with right spinal column adapter structure, and concrete structure is as follows: each spinal column adapter includes a supporting seat, two movable blocks, two spine folders; Wherein supporting seat is with connecting rod, connecting rod is fixed on U-shaped bearing by adapter clamp-screw, above-mentioned two movable blocks are all installed by oat tail groove structure and holding screw and are fastened on supporting seat, above-mentioned movable block has rectangular groove structure, spine folder is positioned at rectangular groove structure, above-mentioned spine folder has oblong slots, and is locked on corresponding movable block by lock-screw; The direction of above-mentioned oat tail groove structure is vertical with the first horizontal line direction, above-mentioned rectangular groove structure is parallel with the first horizontal line direction with the direction of oblong slots, the left end of above-mentioned each spine folder all has the left opening for clamping, right-hand member all has the right opening for clamping, and both ends open size is different; On left spinal column adapter and right spinal column adapter, the spine be positioned on same level line presss from both sides as pair of spinal is pressed from both sides, and forms two pairs of spines folders altogether.Because the positioner of this prior art regulates distance between two pairs of spines folders by oblong slots and dovetail groove, its spine folder is fixed by lock-screw, needs locking or fixing link is more, operation is more complicated, needs many people to coordinate; And the distance adjustment of upright position cannot be tested.
Summary of the invention
In order to achieve the above object, the invention provides a kind of rodent spinal fixation system, comprise base plate and be arranged on base plate, be positioned at left side spinal column fixation clamp on same level line and right side spinal column fixation clamp, described left side spinal column fixation clamp comprises the first vertical connecting, the first vertical screw, the first horizontal screw bolt and the first contiguous block, described right side spinal column fixation clamp comprises the second vertical connecting, the second vertical screw, the second horizontal screw bolt and the second contiguous block, wherein:
The bottom of described first vertical connecting is fixedly connected on base plate, and the first vertical screw is connected with the first vertical connecting parallel sliding;
The bottom of described second vertical connecting is fixedly connected on base plate, and the second vertical screw is connected with the second vertical connecting parallel sliding;
Run through in described first contiguous block and be provided with the first longitudinal hole and the first cross through hole, the first vertical screw is passed this first longitudinal hole and is rotationally connected with it, and the first horizontal screw bolt passes this first cross through hole and is rotationally connected with it;
Run through in described second contiguous block and be provided with the second longitudinal hole and the second cross through hole, the second vertical screw is passed this second longitudinal hole and is rotationally connected with it, and the second horizontal screw bolt passes this second cross through hole and is rotationally connected with it;
Described first horizontal screw bolt and the second horizontal screw bolt are configured with at least one group of profile of tooth folder at its opposite face respectively.
Preferably, be provided with the 3rd longitudinal hole and the 3rd cross through hole in described first contiguous block, the first vertical connecting is passed the 3rd longitudinal hole and is slidably connected with it;
Be provided with the 4th longitudinal hole and the 4th cross through hole in described second contiguous block, the second vertical connecting is passed the 4th longitudinal hole and is slidably connected with it;
Described left side spinal column fixation clamp also comprises the first horizontal brace rod, and this first horizontal brace rod passes the 3rd cross through hole and is slidably connected with it;
Described right side spinal column fixation clamp also comprises the second horizontal brace rod, and this second horizontal brace rod passes the 4th cross through hole and is slidably connected with it.
Further, the first described horizontal screw bolt and one end of the first horizontal brace rod are fixedly connected with the first profile of tooth folder fixed block jointly, and the other end of the first horizontal brace rod is fixedly connected with the first limited block, and the first horizontal screw bolt is through this first limited block;
One end of described second horizontal screw bolt and the second horizontal brace rod is fixedly connected with the second profile of tooth folder fixed block jointly, and the other end of the second horizontal brace rod is fixedly connected with the second limited block, and the second horizontal screw bolt is through this second limited block;
Described profile of tooth folder is separately positioned on the first profile of tooth folder fixed block and the second profile of tooth folder fixed block.
Further, the first described profile of tooth folder fixed block and the second profile of tooth folder fixed block are respectively equipped with at least one group of profile of tooth mounting board groove;
Described profile of tooth folder comprises rectangular teeth clevis and conical tooth clevis, wherein:
The length of described rectangular teeth clevis is 20 ~ 50mm, and width is 2 ~ 10mm, and this rectangular teeth clevis is provided with tooth-shape structure in the side of its width;
The length of described conical tooth clevis is 20 ~ 50mm, and on width, the length of longer sides is 2 ~ 10mm, and width is 1 ~ 5mm compared with the length of minor face, and this conical tooth clevis is provided with tooth-shape structure on the comparatively minor face of its width.
Further, the length of described rectangular teeth clevis is 30mm, and width is 5mm;
The length of described conical tooth clevis is 30mm, and on width, the length of longer sides is 5mm, and width is 2.5mm compared with the length of minor face.
Preferably, the first described vertical connecting is fixedly connected on base plate by the first fixed block, and the top of the first vertical connecting is fixedly connected with the 3rd limited block, and described first vertical screw is passed the 3rd limited block and is rotationally connected with it;
Described second vertical connecting is fixedly connected on base plate by the second fixed block, and the top of the second vertical connecting is fixedly connected with the 4th limited block, and described second vertical screw is passed the 4th limited block and is rotationally connected with it.
Preferably, described left side spinal column fixation clamp and the number of right side spinal column fixation clamp are respectively two.
Preferably, the first described vertical connecting and the distance of the second vertical connecting are 100 ~ 150mm.
Further, the first described vertical connecting and the distance of the second vertical connecting are 120mm.
Preferably, the length of the first described vertical connecting is 50 ~ 150mm, and the length of the first vertical screw is 50 ~ 150mm, and the length of the first horizontal screw bolt is 50 ~ 150mm, and the length of the first horizontal brace rod is 50 ~ 150mm;
The length of described second vertical connecting is 50 ~ 150mm, and the length of the second vertical screw is 50 ~ 150mm, and the length of the second horizontal screw bolt is 50 ~ 150mm, and the length of the second horizontal brace rod is 50 ~ 150mm.
Further, the length of the first described vertical connecting is 100mm, and the length of the first vertical screw is 125mm, and the length of the first horizontal screw bolt is 125mm, and the length of the first horizontal brace rod is 100mm;
The length of described second vertical connecting is 100mm, and the length of the second vertical screw is 125mm, and the length of the second horizontal screw bolt is 125mm, and the length of the second horizontal brace rod is 100mm.
Preferably, described rodent can be the animal for research such as experimental rat, experiment mice.
The invention has the beneficial effects as follows, by rotating the first vertical screw, the vertical height of the second vertical screw to this device adjusts, and by rotating the first horizontal screw bolt, the horizontal relative distance of the second horizontal screw bolt to this device adjusts; First profile of tooth folder fixed block and the second profile of tooth folder fixed block are provided with multiple sets of teeth clevis draw-in groove, and are configured with difform profile of tooth folder, and to meet the object be fixed different volumes animal spinal column, operator's one hand can complete, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the first contiguous block in the present invention;
Fig. 3 is the structural representation of the first profile of tooth folder fixed block in the present invention;
Fig. 4 is the explosive view of right side spinal column fixation clamp in the present invention;
Fig. 5 is the front view of rectangular teeth clevis in the present invention;
Fig. 6 is the top view of rectangular teeth clevis in the present invention;
Fig. 7 is the front view of conical tooth clevis in the present invention;
Fig. 8 is the top view of conical tooth clevis in the present invention.
Wherein:
Spinal column fixation clamp 21-first vertical connecting on the left of 1-base plate 2-
22-first vertical screw 23-first horizontal screw bolt 24-first contiguous block
241-first longitudinal hole 242-first cross through hole 243-the 3rd longitudinal hole
244-the 3rd cross through hole 25-first horizontal brace rod 26-first profile of tooth folder fixed block
27-first limited block 28-first fixed block 29-the 3rd limited block
261-first profile of tooth mounting board groove 262-second profile of tooth mounting board groove 263-the 3rd profile of tooth mounting board groove
Spinal column fixation clamp 31-second vertical connecting on the right side of 264-the 4th profile of tooth mounting board groove 3-
32-second vertical screw 33-second horizontal screw bolt 34-second contiguous block
341-second longitudinal hole 342-second cross through hole 343-the 4th longitudinal hole
344-the 4th cross through hole 35-second horizontal brace rod 36-second profile of tooth folder fixed block
37-second limited block 38-second fixed block 39-the 4th limited block
41-rectangular teeth clevis 42-conical tooth clevis
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1:
A kind of rodent spinal fixation system as shown in Figure 1 to 4, comprises base plate 1 and is arranged on base plate 1, is positioned at left side spinal column fixation clamp 2 on same level line and right side spinal column fixation clamp 3.
Described left side spinal column fixation clamp 2 comprises the first vertical connecting 21, first vertical screw 22, first horizontal screw bolt 23 and the first contiguous block 24.Run through in described first contiguous block 24 and be provided with the first longitudinal hole 241 and the first cross through hole 242, first vertical screw 22 is passed this first longitudinal hole 241 and is rotationally connected with it, and the first horizontal screw bolt 23 passes this first cross through hole 242 and is rotationally connected with it; The bottom of described first vertical connecting 21 is fixedly connected on base plate 1, and the first vertical screw 22 is connected with the first vertical connecting 21 parallel sliding.
Described right side spinal column fixation clamp 3 comprises the second vertical connecting 31, second vertical screw 32, second horizontal screw bolt 33 and the second contiguous block 34.Run through in described second contiguous block 34 and be provided with the second longitudinal hole 341 and the second cross through hole 342, second vertical screw 32 is passed this second longitudinal hole 341 and is rotationally connected with it, and the second horizontal screw bolt 33 passes this second cross through hole 342 and is rotationally connected with it; The bottom of described second vertical connecting 31 is fixedly connected on base plate 1, and the second vertical screw 32 is connected with the second vertical connecting 31 parallel sliding.
Described first horizontal screw bolt 23 and the second horizontal screw bolt 33 are configured with at least one group of profile of tooth folder 4 at its opposite face respectively.Described profile of tooth folder 4 comprises rectangular teeth clevis 41 and conical tooth clevis 42, wherein:
The length of described rectangular teeth clevis 41 is 30mm, and width is 5mm, and this rectangular teeth clevis 41 is provided with tooth-shape structure in the side of its width;
The length of described conical tooth clevis 42 is 30mm, and on width, the length of longer sides is 5m, and width is 2.5mm compared with the length of minor face, and this conical tooth clevis 42 is provided with tooth-shape structure on the comparatively minor face of its width.
Embodiment 2:
A kind of rodent spinal fixation system, is provided with the 3rd longitudinal hole 243 in described first contiguous block 24 and the 3rd cross through hole 244, first vertical connecting 21 is passed the 3rd longitudinal hole 243 and is slidably connected with it;
Being provided with the 4th longitudinal hole 343 and the 4th cross through hole 344, second vertical connecting 31 in described second contiguous block 34 through the 4th longitudinal hole 343 is slidably connected with it;
Described left side spinal column fixation clamp 2 also comprises the first horizontal brace rod 25, and this first horizontal brace rod 25 passes the 3rd cross through hole 244 and is slidably connected with it;
Described right side spinal column fixation clamp 3 also comprises the second horizontal brace rod 35, and this second horizontal brace rod 35 passes the 4th cross through hole 344 and is slidably connected with it;
The other end that the first described horizontal screw bolt 23 and one end of the first horizontal brace rod 25 are fixedly connected with the first profile of tooth folder fixed block 26, first horizontal brace rod 25 is jointly fixedly connected with the first limited block 27, first horizontal screw bolt 23 through this first limited block 27;
The other end that one end of described second horizontal screw bolt 33 and the second horizontal brace rod 35 is fixedly connected with the second profile of tooth folder fixed block 36, second horizontal brace rod 35 is jointly fixedly connected with the second limited block 37, second horizontal screw bolt 33 through this second limited block 37;
Described profile of tooth folder is separately positioned on the first profile of tooth folder fixed block 26 and the second profile of tooth folder fixed block 36;
The first described vertical connecting 21 is fixedly connected on base plate 1 by the first fixed block 28, and the top of the first vertical connecting 21 is fixedly connected with the 3rd limited block 29, and described first vertical screw 22 is passed the 3rd limited block 29 and is rotationally connected with it;
Described second vertical connecting 31 is fixedly connected on base plate 1 by the second fixed block 38, and the top of the second vertical connecting 31 is fixedly connected with the 4th limited block 39, and described second vertical screw 32 is passed the 4th limited block 39 and is rotationally connected with it;
Described left side spinal column fixation clamp 2 and the number of right side spinal column fixation clamp 3 are respectively two;
The first described vertical connecting 21 and the distance of the second vertical connecting 31 are 120mm;
The length of the first described vertical connecting 21 is 100mm, and the length of the first vertical screw 22 is 125mm, and the length of the first horizontal screw bolt 23 is 125mm, and the length of the first horizontal brace rod 25 is 100mm;
The length of described second vertical connecting 31 is 100mm, and the length of the second vertical screw 32 is 125mm, and the length of the second horizontal screw bolt 33 is 125mm, and the length of the second horizontal brace rod 25 is 100mm;
All the other are with embodiment 1.
Below the preferred embodiment of the invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art can also make all equivalent modification or replacement under the prerequisite without prejudice to the invention spirit, and these equivalent modifications or replacement are all included in the application's claim limited range.
Claims (8)
1. a rodent spinal fixation system, comprise base plate (1) and be arranged on base plate (1), be positioned at left side spinal column fixation clamp (2) on same level line and right side spinal column fixation clamp (3), it is characterized in that: described left side spinal column fixation clamp (2) comprises the first vertical connecting (21), first vertical screw (22), first horizontal screw bolt (23) and the first contiguous block (24), described right side spinal column fixation clamp (3) comprises the second vertical connecting (31), second vertical screw (32), second horizontal screw bolt (33) and the second contiguous block (34), wherein:
The bottom of described first vertical connecting (21) is fixedly connected on base plate (1), and the first vertical screw (22) is connected with the first vertical connecting (21) parallel sliding;
The bottom of described second vertical connecting (31) is fixedly connected on base plate (1), and the second vertical screw (32) is connected with the second vertical connecting (31) parallel sliding;
Run through in described first contiguous block (24) and be provided with the first longitudinal hole (241) and the first cross through hole (242), first vertical screw (22) is through this first longitudinal hole (241) and be rotationally connected with it, and the first horizontal screw bolt (23) is through this first cross through hole (242) and be rotationally connected with it;
Run through in described second contiguous block (34) and be provided with the second longitudinal hole (341) and the second cross through hole (342), second vertical screw (32) is through this second longitudinal hole (341) and be rotationally connected with it, and the second horizontal screw bolt (33) is through this second cross through hole (342) and be rotationally connected with it;
Described first horizontal screw bolt (23) and the second horizontal screw bolt (33) are configured with at least one group of profile of tooth folder (4) at its opposite face respectively.
2. a kind of rodent spinal fixation system according to claim 1, it is characterized in that: be provided with the 3rd longitudinal hole (243) and the 3rd cross through hole (244) in described first contiguous block (24), the first vertical connecting (21) is through the 3rd longitudinal hole (243) and be slidably connected with it;
Be provided with the 4th longitudinal hole (343) and the 4th cross through hole (344) in described second contiguous block (34), the second vertical connecting (31) is through the 4th longitudinal hole (343) and be slidably connected with it;
Described left side spinal column fixation clamp (2) also comprises the first horizontal brace rod (25), and this first horizontal brace rod (25) is through the 3rd cross through hole (244) and be slidably connected with it;
Described right side spinal column fixation clamp (3) also comprises the second horizontal brace rod (35), and this second horizontal brace rod (35) is through the 4th cross through hole (344) and be slidably connected with it.
3. a kind of rodent spinal fixation system according to claim 2, it is characterized in that: described the first horizontal screw bolt (23) and one end of the first horizontal brace rod (25) are fixedly connected with the first profile of tooth folder fixed block (26) jointly, the other end of the first horizontal brace rod (25) is fixedly connected with the first limited block (27), and the first horizontal screw bolt (23) is through this first limited block (27);
One end of described second horizontal screw bolt (33) and the second horizontal brace rod (35) is fixedly connected with the second profile of tooth folder fixed block (36) jointly, the other end of the second horizontal brace rod (35) is fixedly connected with the second limited block (37), and the second horizontal screw bolt (33) is through this second limited block (37);
Described profile of tooth folder is separately positioned in the first profile of tooth folder fixed block (26) and the second profile of tooth folder fixed block (36).
4. a kind of rodent spinal fixation system according to claim 3, is characterized in that: the first described profile of tooth folder fixed block (26) and the second profile of tooth folder fixed block (36) are respectively equipped with at least one group of profile of tooth mounting board groove;
Described profile of tooth folder (4) comprises rectangular teeth clevis (41) and conical tooth clevis (42), wherein:
The length of described rectangular teeth clevis (41) is 20 ~ 50mm, and width is 2 ~ 10mm, and this rectangular teeth clevis (41) is provided with tooth-shape structure in the side of its width;
The length of described conical tooth clevis (42) is 20 ~ 50mm, on width, the length of longer sides is 2 ~ 10mm, width is 1 ~ 5mm compared with the length of minor face, and this conical tooth clevis (42) is provided with tooth-shape structure on the comparatively minor face of its width.
5. a kind of rodent spinal fixation system according to claim 1, it is characterized in that: described the first vertical connecting (21) is fixedly connected on base plate (1) by the first fixed block (28), the top of the first vertical connecting (21) is fixedly connected with the 3rd limited block (29), and described first vertical screw (22) is through the 3rd limited block (29) and be rotationally connected with it;
Described second vertical connecting (31) is fixedly connected on base plate (1) by the second fixed block (38), the top of the second vertical connecting (31) is fixedly connected with the 4th limited block (39), and described second vertical screw (32) is through the 4th limited block (39) and be rotationally connected with it.
6. a kind of rodent spinal fixation system according to claim 1, is characterized in that: described left side spinal column fixation clamp (2) and the number on right side spinal column fixation clamp (3) are respectively two.
7. a kind of rodent spinal fixation system according to claim 1, is characterized in that: described the first vertical connecting (21) is 100 ~ 150mm with the distance of the second vertical connecting (31).
8. a kind of rodent spinal fixation system according to claim 1, it is characterized in that: the length of described the first vertical connecting (21) is 50 ~ 150mm, the length of the first vertical screw (22) is 50 ~ 150mm, the length of the first horizontal screw bolt (23) is 50 ~ 150mm, and the length of the first horizontal brace rod (25) is 50 ~ 150mm;
The length of described second vertical connecting (31) is 50 ~ 150mm, the length of the second vertical screw (32) is 50 ~ 150mm, the length of the second horizontal screw bolt (33) is 50 ~ 150mm, and the length of the second horizontal brace rod (25) is 50 ~ 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115214.8A CN104720883B (en) | 2015-03-16 | 2015-03-16 | A kind of rodent spinal fixation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115214.8A CN104720883B (en) | 2015-03-16 | 2015-03-16 | A kind of rodent spinal fixation system |
Publications (2)
| Publication Number | Publication Date |
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| CN104720883A true CN104720883A (en) | 2015-06-24 |
| CN104720883B CN104720883B (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510115214.8A Expired - Fee Related CN104720883B (en) | 2015-03-16 | 2015-03-16 | A kind of rodent spinal fixation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109106464A (en) * | 2018-08-14 | 2019-01-01 | 中国人民解放军第四军医大学 | A kind of device and fixed mechanism being used to prepare spinal cord injury experimental model |
| CN109223236A (en) * | 2017-07-11 | 2019-01-18 | 上海积发生物科技有限公司 | Experimental animal carcass sample nervous centralis fast accurate cuts device and cuts method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109223236A (en) * | 2017-07-11 | 2019-01-18 | 上海积发生物科技有限公司 | Experimental animal carcass sample nervous centralis fast accurate cuts device and cuts method |
| CN109106464A (en) * | 2018-08-14 | 2019-01-01 | 中国人民解放军第四军医大学 | A kind of device and fixed mechanism being used to prepare spinal cord injury experimental model |
| CN109106464B (en) * | 2018-08-14 | 2023-09-29 | 中国人民解放军第四军医大学 | Device and fixing mechanism for preparing spinal cord injury experimental model |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104720883B (en) | 2017-06-06 |
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