CN201055438Y - Animal head fixing device with two-dimension regulation function - Google Patents
Animal head fixing device with two-dimension regulation function Download PDFInfo
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- CN201055438Y CN201055438Y CNU2007201694848U CN200720169484U CN201055438Y CN 201055438 Y CN201055438 Y CN 201055438Y CN U2007201694848 U CNU2007201694848 U CN U2007201694848U CN 200720169484 U CN200720169484 U CN 200720169484U CN 201055438 Y CN201055438 Y CN 201055438Y
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- head fixing
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Abstract
The utility model relates to an animal head fixing device with the function of two-dimensional regulation and is characterized in that the device comprises a bottom plate; the device also comprises an arc-shaped support plate, the support plate is arranged on the middle back part of the bottom plate, and the arc-shaped internal surface of the support plate is provided with a heating layer; the device also comprises a fixing bracket and the fixing bracket is arranged on the bottom plate ahead of one side of the arc-shaped support plate; the device comprises an adjustable bracket, the adjustable bracket is corresponding to the fixing bracket and is connected with the bottom plate on the other side of the arch-shaped support plate in a rotating way, and moreover, the adjustable bracket is provided with a suspending arm protruding forward; the device also comprises two ear bars, the two ear bars are respectively connected with the fixing bracket and the adjustable bracket in an adjusting way, and the head of the two ear bars are respectively and movably sleeved with a top cap; the device comprises a lower oral clip and the front part and the lower oral clip is connected with a long hole on the suspending arm in an adjusting way forward and backward; the device comprises an upper oral clip and the upper oral clip can be movably fixed on the top of the lower oral clip. The utility model has simple and compact structure and small volume as well as easy operation, with low manufacturing cost. The utility model can be widely used in the research field of electrophysiology and biological imaging, etc.
Description
Technical field
This utility model relates to a kind of animal head fixing device, particularly about a kind of animal head fixing device with two-dimensional adjustment function.
Background technology
To animal brain in researchs such as body electricity physiology and bio-imaging, animal brain fixing extremely important, the fixed quality of brain will directly influence the success or failure and the stability of experiment.The fixing requirement of animal head accomplishes to stablize, and be little to animal injury, can keep the life state of animal for a long time, and can carry out horizontal adjustment to height and front and back pitch position about animal brain.Occurred the method and apparatus of various fixed animal head both at home and abroad, for example United States Patent (USP) 7,146,936B2, United States Patent (USP) 6,716,220B2, Chinese patent 200420033663.5.At United States Patent (USP) 7,146,936 B2 and 6,716 among 220 B2, stress the supervision to the fixing and animal physiological state of animal whole body, but do not keep the device of animal life state, can not be to the horizontal adjustment of carrying out of brain.United States Patent (USP) 6,716, the device complexity among 220 B2 is not easy to operation.In Chinese patent 200420033663.5, invented the head fixture under the clear-headed condition of a kind of animal, but the device of animal life state is not kept in this invention yet, and head is carried out horizontal adjustment, and the necessity that lacks the body part beyond the animal brain supports.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of animal head fixing device with two-dimensional adjustment function that can keep animal life.
For achieving the above object, this utility model is taked following technical scheme: a kind of animal head fixing device with two-dimensional adjustment function is characterized in that it comprises: a base plate; One arc gripper shoe, it is arranged on the postmedian of described base plate, and the arc-shaped inner surface of described gripper shoe is provided with a zone of heating; One fixed support, it is arranged on the described base plate in described arc gripper shoe one side the place ahead; One adjustable support, it is corresponding with described fixed support, be rotatably connected on the described base plate of described arc gripper shoe opposite side, and described adjustable support has a cantilever that protrudes out forward; Two ear bars, its adjustable ground are connected on described fixed support and the adjustable support, and the head of two described ear bars is arranged with a top medicated cap respectively versatilely; One mouth is folder down, its can before and after be connected in the slotted hole on the described cantilever with regulating; Press from both sides on one mouth, it is fixed on the top of folder under the described mouth movably.
This utility model also comprises: a base, and it is arranged on described floor below; One short column, its bottom is plugged in one jiao of described base, and its top braces is one jiao of described base plate; Four extension springs, it is fixedly connected between the base and base plate of the base plate dual-side adjacent with described short column by the screw on described base plate and the base is set; Two adjustment screw, its respectively coil cross the far-end of the base plate dual-side adjacent with described short column, the bottom of described adjustment screw withstands on the described base.
Described mouth folder down comprises that one is slidingly arranged in the screw in the slotted hole on the described cantilever, and one connects the fixed block of described screw, the fixedly connected metallic rod in described fixed block the other end; Folder is that middle thin two ends are thick on the described mouth, and the middle depression bar that upwards arches upward, described depression bar are provided with the shape of falling a Qian cover that cooperates with described fixed block, and the described shape of falling Qian cover is buckled in described fixed block top, and is fixed on the described fixed block by a screw.
Described adjustable support comprises a carrier base, and it is fixedly connected on the described base plate, and the top of described carrier base is circular arc, described carrier base arranged outside have one with the concentric arc groove of described top circular arc; One protrudes out piece, and inboard, its rear end is provided with one and cooperates with described arc groove and insert circular arc fin in the described arc groove, and should end by a sheet metal and the screw that arc cooperates bottom it, the described piece that protrudes out is fixed on the described carrier base; The described front end that protrudes out piece is the cantilever of a tool Contraband type groove, and described Contraband type groove is provided with a slotted hole.
Described two ear bars are a kind of in screw shaped and the polished rod shape.
The zone of heating that is arranged on described arc gripper shoe inner surface is one back and forth to be arranged with the arc zone of heating of heating wire.
This utility model is owing to take above technical scheme, and it has the following advantages: 1, because fixture of the present utility model adopts fix the method for multi-point support at 3, so simple and compact for structure, volume is little, and is easy to operate, replacing for convenience detach, and cost of manufacture is cheap.2, because a ultra-thin electric heating layer is posted on this utility model skewed slot surface,, prolong animal life as much as possible so can keep the body temperature of animal.
Description of drawings
Fig. 1 is the overall structure sketch map of this utility model device
Fig. 2 is this utility model arc gripper shoe and heating part structural representation
Fig. 3 is this utility model adjustable support structural representation
Fig. 4 is upper and lower folder of this utility model mouth and adjustable support decomposing schematic representation
Fig. 5 is that this utility model mouth presss from both sides up and down and fixing, adjustable support connection diagram
Fig. 6 is that this utility model base plate and base two-dimensional level are regulated the parts schematic side view
Fig. 7 is the schematic top plan view of Fig. 6
Fig. 8 is this utility model user mode sketch map
The specific embodiment
Below in conjunction with drawings and Examples, this utility model is described in detail.
As shown in Figure 1, this utility model comprises a base plate 1, postmedian at base plate 1 is provided with an arc gripper shoe 2, arc-shaped inner surface in gripper shoe 2 is provided with a zone of heating 3, the base plate 1 in gripper shoe 2 one side the place aheads is provided with a fixed support 4, relative with fixed support 4, one adjustable support 5 is set on the base plate 1 in gripper shoe 2 opposite side the place aheads, adjustable support 5 has a cantilever that protrudes out forward, one ear bar 41 is set respectively on fixed support 4 and adjustable support 5,51, at each ear bar 41,51 head is arranged with a top medicated cap 42 respectively versatilely, 52, be provided with on the cantilever of adjustable support 5 one can before and after press from both sides 7 under the mouth regulated, the top of folder 7 connects on the movable mouth of opening and presss from both sides 8 under mouth.
As shown in Figure 2, arc gripper shoe 2 of the present utility model is when fixing animal head, the support animals health.The bottom of arc gripper shoe 2 can be provided with a back-up block 21, and back-up block 21 is fixed on the base plate 1 by screw on it 22 and screw 23.The zone of heating 3 that is arranged on arc gripper shoe 2 inner surfacies can be one back and forth to be arranged with the arc heating sheet (electric blanket) of heating wire 31, also can be other heating arrangement.The effect of zone of heating is when weather is colder, plays to the insulation of animal health, keeps the effect of animal life state, and the positive and negative electrode 32,33 of zone of heating can external 10 volts voltage source.
As shown in Figure 3, adjustable support 5 of the present utility model can adopt following structure, it comprises the carrier base 53 that is fixedly connected on the base plate 1, carrier base 53 tops are circular arc 54, be provided with at carrier base 53 tops one form cantilever protrude out piece 55, the rear that protrudes out piece 55 is a circular arc fin 56, the recessed edge 57 of one arc respectively is set in the interior outside of circular arc fin 56, the recessed edge 57 of the arc that protrudes out piece 55 inboards is sitting in circular arc 54 tops of carrier base 53, one top had the bottom of sheet metal 59 supports of circular arc 58 at the recessed edge 57 of arc that protrudes out piece 55 outsides, and by two screws 60 sheet metal 59 is fixed on the carrier base 53, circular arc fin 56 can be clamped in the groove that sheet metal 59 and carrier base 53 form.The front end cantilever that protrudes out piece 55 is provided with a slotted hole 61, and the inboard of cantilever is a Contraband type groove 62, presss from both sides 7 down for mouth and is provided with in it.Piece 55 tops that protrude out at fixed support 4 and adjustable support 5 are provided with a screw 63 respectively, in order to the ear bar 41,51 of connecting screw rod commentaries on classics; Also can a unthreaded hole (not shown) be set on the piece 55 respectively, ear bar 41,51 is made be polished rod, the fixedly jackscrew of usefulness, fixedly a polished rod is set at the top that protrudes out piece 55 then protruding out of fixed support 4 and adjustable support 5.Be arranged on the top medicated cap the 42, the 52nd of screw shaped ear bar 41,51 heads, in order to select the ear bar can the head of animal not to be damaged at 41,51 o'clock.
As Fig. 4, shown in Figure 5, mouth down folder 7 can comprise one can be in protruding out the Contraband type groove 62 of piece 53 fixed block 71 of adjusting position, one screw 72 is passed the slotted hole 61 that protrudes out on the piece 55 front end cantilevers, one end of fixed block 71 is fixed in the Contraband type groove 62, the fixedly connected metallic rod 73 of the other end of fixed block 71, the material of metallic rod 73 also can replace with other material, but will have certain intensity.Folder 8 is thick, the middle depression bars 81 that upwards arch upward in middle thin two ends on the mouth, and depression bar 81 roots are provided with the shape of falling a Qian cover 82 that cooperates with fixed block 71, and the shape of falling the Qian is overlapped 82 and is buckled in fixed block 71 tops, and is connected on the fixed block 71 by a screw 83.
As Fig. 6, shown in Figure 7, this utility model can also be provided with a base 9 below base plate 1, at relative one jiao of base 9 and base plate 1 short column 91 is set, and the bottom of short column 91 is plugged in the base 9, and the top braces of short column 91 is in base plate 1 bottom surface.Base plate 1 dual-side adjacent with short column 91 is provided with two stage clips 92 between base 9 and base plate 1 respectively, and the two ends of stage clip 92 are fixed on base plate 1 and the base 9 by screw 93 respectively.Far-end at base plate 1 dual-side adjacent with short column 91 is provided with a screw 94 respectively, regulates in 94 that at two an adjustment screw 95,96 being set respectively, and the bottom of adjustment screw 95,96 withstands on base 9 upper surfaces.
As shown in Figure 8, during this utility model operation, the fixed step of animal head is as follows:
1, unclamps the ear bar 41,51 of two screw rods shape, and reserve certain space in order to putting into the animal head;
2, the head of animal (for example mice) is put between the two screw rods 41,51, the mouth of animal is placed on the metallic rod 73 of folder 7 under the mouth, and the health beyond the animal head should be placed on the gripper shoe 2 that has zone of heating 3 naturally;
3, prop up bone under the ear of animal both sides with the top medicated cap 51,52 of ear bar 41,51 respectively, and clamp;
4, push down the upper surface of mouth with the depression bar 81 of folder 8 on the mouth, tighten screw 83 at last, mouth is clamped.
In actual the use, can be according to the distance between the size adjustment two ear bars 41,51 of animal head, adjustment screw 83 can change on the mouth folder 8 and the mouth clamping degree between the folder 7 down.Unclamp screw 72, mouth folder part can be slided in the slotted hole 58 of cantilever, to adjust the distance of upper and lower folder 8,7 of mouth and ear bar 41,51.Unclamp screw 60, can regulate protruding out the angle of inclination of piece 55 upper cantilevers with respect to two ear bars 41,51.
Short column that this utility model is provided with between base plate 1 and base 9 91, four stage clips 92 and two adjustment screw 95,96 make this utility model device have the two-dimensional level regulatory function.According to 3 definite planar principles, 95,96 and short columns of two adjustment screw 91 are determined planes, select adjustment screw 96, and the left and right sides of may command base plate 1 is uneven; Regulate another adjustment screw 95, can control the front and back pitching level of base plate 1.When this utility model uses, can select to adopt the device of band base 9 or not with the device of base 9 according to different needs.
This utility model has taken into full account zooperal practical situation, fixedly behind the animal, can directly be placed on the living cells imaging experiment that carries out under the senior imaging devices such as fluorescence microscope, Laser Scanning Confocal Microscope, two-photon microscope at body.In electric Physiological Experiment, also be convenient to the insertion of electrode.
Although disclose specific embodiment of the utility model and accompanying drawing for the purpose of illustration, its purpose is to help to understand content of the present utility model and implement according to this, but it will be appreciated by those skilled in the art that: in the spirit and scope that do not break away from this utility model and appended claim, various replacements, variation and modification all are possible.Therefore, this utility model should not be limited to most preferred embodiment and the disclosed content of accompanying drawing.
Claims (10)
1. animal head fixing device with two-dimensional adjustment function is characterized in that it comprises:
One base plate;
One arc gripper shoe, it is arranged on the postmedian of described base plate, and the arc-shaped inner surface of described gripper shoe is provided with a zone of heating;
One fixed support, it is arranged on the described base plate in described arc gripper shoe one side the place ahead;
One adjustable support, it is corresponding with described fixed support, be rotatably connected on the described base plate of described arc gripper shoe opposite side, and described adjustable support has a cantilever that protrudes out forward;
Two ear bars, its adjustable ground are connected on described fixed support and the adjustable support, and the head of two described ear bars is arranged with a top medicated cap respectively versatilely;
One mouth is folder down, its can before and after be connected in the slotted hole on the described cantilever with regulating;
Press from both sides on one mouth, it is fixed on the top of folder under the described mouth movably.
2. a kind of animal head fixing device with two-dimensional adjustment function as claimed in claim 1 is characterized in that it also comprises:
One base, it is arranged on described floor below;
One short column, its bottom is plugged in one jiao of described base, and its top braces is one jiao of described base plate;
Four extension springs, it is fixedly connected between the base and base plate of the base plate dual-side adjacent with described short column by the screw on described base plate and the base is set;
Two adjustment screw, its respectively coil cross the far-end of the base plate dual-side adjacent with described short column, the bottom of described adjustment screw withstands on the described base.
3. a kind of animal head fixing device as claimed in claim 1 with two-dimensional adjustment function, it is characterized in that: described mouth folder down comprises that one is slidingly arranged in the screw in the slotted hole on the described cantilever, one connects the fixed block of described screw, the fixedly connected metallic rod in described fixed block the other end; Folder is that middle thin two ends are thick on the described mouth, and the middle depression bar that upwards arches upward, described depression bar are provided with the shape of falling a Qian cover that cooperates with described fixed block, and the described shape of falling Qian cover is buckled in described fixed block top, and is fixed on the described fixed block by a screw.
4. a kind of animal head fixing device as claimed in claim 2 with two-dimensional adjustment function, it is characterized in that: described mouth folder down comprises that one is slidingly arranged in the screw in the slotted hole on the described cantilever, one fixed block by described screw connection, the fixedly connected metallic rod in described fixed block the other end; Folder is that middle thin two ends are thick on the described mouth, and the middle depression bar that upwards arches upward, described depression bar are provided with the shape of falling a Qian cover that cooperates with described fixed block, and the described shape of falling Qian cover is buckled in described fixed block top, and is fixed on the described fixed block by a screw.
5. as claim 1 or 2 or 3 or 4 described a kind of animal head fixing devices, it is characterized in that described adjustable support comprises with two-dimensional adjustment function:
One carrier base, it is fixedly connected on the described base plate, the top of described carrier base is circular arc, described carrier base arranged outside have one with the concentric arc groove of described top circular arc;
One protrudes out piece, and inboard, its rear end is provided with one and cooperates with described arc groove and insert circular arc fin in the described arc groove, and should end by a sheet metal and the screw that arc cooperates bottom it, the described piece that protrudes out is fixed on the described carrier base; The described front end that protrudes out piece is the cantilever of a tool Contraband type groove, and described Contraband type groove is provided with a slotted hole.
6. as claim 1 or 2 or 3 or 4 described a kind of animal head fixing devices with two-dimensional adjustment function, it is characterized in that: described two ear bars are a kind of in screw shaped and the polished rod shape.
7. a kind of animal head fixing device with two-dimensional adjustment function as claimed in claim 5 is characterized in that: described two ear bars are a kind of in screw shaped and the polished rod shape.
8. as claim 1 or 2 or 3 or 4 or 7 described a kind of animal head fixing devices with two-dimensional adjustment function, it is characterized in that: the zone of heating that is arranged on described arc gripper shoe inner surface is one back and forth to be arranged with the arc zone of heating of heating wire.
9. a kind of animal head fixing device with two-dimensional adjustment function as claimed in claim 5 is characterized in that: the zone of heating that is arranged on described arc gripper shoe inner surface is one back and forth to be arranged with the arc zone of heating of heating wire.
10. a kind of animal head fixing device with two-dimensional adjustment function as claimed in claim 6 is characterized in that: the zone of heating that is arranged on described arc gripper shoe inner surface is one back and forth to be arranged with the arc zone of heating of heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201694848U CN201055438Y (en) | 2007-06-28 | 2007-06-28 | Animal head fixing device with two-dimension regulation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201694848U CN201055438Y (en) | 2007-06-28 | 2007-06-28 | Animal head fixing device with two-dimension regulation function |
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| Publication Number | Publication Date |
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| CN201055438Y true CN201055438Y (en) | 2008-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201694848U Expired - Fee Related CN201055438Y (en) | 2007-06-28 | 2007-06-28 | Animal head fixing device with two-dimension regulation function |
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| CN (1) | CN201055438Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102488566A (en) * | 2011-12-02 | 2012-06-13 | 温州医学院眼视光研究院 | Slit-lamp laser photocoagulation small-sized animal support |
| CN103006347A (en) * | 2012-12-17 | 2013-04-03 | 中国人民解放军第四军医大学 | Fixing device for suckling mouse brain extraction |
| CN103892933A (en) * | 2014-03-26 | 2014-07-02 | 河南大学 | Multifunctional head fixation instrument for murine head and neck operations |
| WO2015054959A1 (en) * | 2013-10-18 | 2015-04-23 | 苏州瑞派宁科技有限公司 | Small animal position fixer |
| CN105944244A (en) * | 2016-05-31 | 2016-09-21 | 深圳先进技术研究院 | Ultrasonic stimulation system |
| CN106039601A (en) * | 2016-05-31 | 2016-10-26 | 深圳先进技术研究院 | Magnetic-compatibility ultrasonic stimulation system |
| CN106214282A (en) * | 2016-08-04 | 2016-12-14 | 遵义医学院 | A kind of experimental mouse taper headgear |
| CN106725970A (en) * | 2016-12-30 | 2017-05-31 | 四川格林泰科生物科技有限公司 | A kind of special equipment for opening monkey brain |
| CN106821535A (en) * | 2016-12-26 | 2017-06-13 | 深圳市龙岗中心医院 | A kind of adjustable white mouse autopsy table |
| CN107149508A (en) * | 2017-06-23 | 2017-09-12 | 佛山科学技术学院 | Toy tests fixed system |
| CN107198591A (en) * | 2017-08-03 | 2017-09-26 | 上海市东方医院 | Minitype animal experiment operating desk |
| CN108542545A (en) * | 2018-05-25 | 2018-09-18 | 河南大学 | A kind of medical research animal experimental table |
| CN109259884A (en) * | 2018-11-29 | 2019-01-25 | 沈阳建筑大学 | A kind of mouse experiment fixator |
| CN109481077A (en) * | 2018-12-06 | 2019-03-19 | 沈阳建筑大学 | A kind of adjustable mouse experiment fixator |
| CN110811912A (en) * | 2019-12-11 | 2020-02-21 | 吴国莲 | Animal doctor uses medicine feeding device with mixing arrangement |
| CN110859156A (en) * | 2019-10-23 | 2020-03-06 | 南方医科大学第三附属医院（广东省骨科研究院） | Construction method of posterior longitudinal ligament ossification animal model |
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2007
- 2007-06-28 CN CNU2007201694848U patent/CN201055438Y/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102488566B (en) * | 2011-12-02 | 2014-07-16 | 温州医学院眼视光研究院 | Slit-lamp laser photocoagulation small-sized animal support |
| CN102488566A (en) * | 2011-12-02 | 2012-06-13 | 温州医学院眼视光研究院 | Slit-lamp laser photocoagulation small-sized animal support |
| CN103006347B (en) * | 2012-12-17 | 2015-06-03 | 中国人民解放军第四军医大学 | Fixing device for suckling mouse brain extraction |
| CN103006347A (en) * | 2012-12-17 | 2013-04-03 | 中国人民解放军第四军医大学 | Fixing device for suckling mouse brain extraction |
| WO2015054959A1 (en) * | 2013-10-18 | 2015-04-23 | 苏州瑞派宁科技有限公司 | Small animal position fixer |
| CN104546209A (en) * | 2013-10-18 | 2015-04-29 | 苏州瑞派宁科技有限公司 | Small animal positioning instrument |
| CN104546209B (en) * | 2013-10-18 | 2017-03-15 | 苏州瑞派宁科技有限公司 | A kind of toy position finder |
| CN103892933A (en) * | 2014-03-26 | 2014-07-02 | 河南大学 | Multifunctional head fixation instrument for murine head and neck operations |
| CN103892933B (en) * | 2014-03-26 | 2015-11-18 | 河南大学 | Multi-functional muroid head neck operation head fixer |
| CN105944244A (en) * | 2016-05-31 | 2016-09-21 | 深圳先进技术研究院 | Ultrasonic stimulation system |
| CN106039601A (en) * | 2016-05-31 | 2016-10-26 | 深圳先进技术研究院 | Magnetic-compatibility ultrasonic stimulation system |
| CN105944244B (en) * | 2016-05-31 | 2019-01-04 | 深圳先进技术研究院 | Ultrasound stimulation system |
| CN106214282A (en) * | 2016-08-04 | 2016-12-14 | 遵义医学院 | A kind of experimental mouse taper headgear |
| CN106821535B (en) * | 2016-12-26 | 2018-02-02 | 深圳市龙岗中心医院 | A kind of adjustable white mouse autopsy table |
| CN106821535A (en) * | 2016-12-26 | 2017-06-13 | 深圳市龙岗中心医院 | A kind of adjustable white mouse autopsy table |
| CN106725970A (en) * | 2016-12-30 | 2017-05-31 | 四川格林泰科生物科技有限公司 | A kind of special equipment for opening monkey brain |
| CN106725970B (en) * | 2016-12-30 | 2018-08-21 | 四川格林泰科生物科技有限公司 | A kind of special equipment for opening monkey brain |
| CN107149508A (en) * | 2017-06-23 | 2017-09-12 | 佛山科学技术学院 | Toy tests fixed system |
| CN107198591A (en) * | 2017-08-03 | 2017-09-26 | 上海市东方医院 | Minitype animal experiment operating desk |
| CN108542545A (en) * | 2018-05-25 | 2018-09-18 | 河南大学 | A kind of medical research animal experimental table |
| CN109259884A (en) * | 2018-11-29 | 2019-01-25 | 沈阳建筑大学 | A kind of mouse experiment fixator |
| CN109481077A (en) * | 2018-12-06 | 2019-03-19 | 沈阳建筑大学 | A kind of adjustable mouse experiment fixator |
| CN110859156A (en) * | 2019-10-23 | 2020-03-06 | 南方医科大学第三附属医院（广东省骨科研究院） | Construction method of posterior longitudinal ligament ossification animal model |
| CN110859156B (en) * | 2019-10-23 | 2021-04-30 | 南方医科大学第三附属医院（广东省骨科研究院） | Construction method of posterior longitudinal ligament ossification animal model |
| CN110811912A (en) * | 2019-12-11 | 2020-02-21 | 吴国莲 | Animal doctor uses medicine feeding device with mixing arrangement |
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