CN210408670U

CN210408670U - Embryo electrotransformation experiment table with auxiliary injection function

Info

Publication number: CN210408670U
Application number: CN201920676778.2U
Authority: CN
Inventors: 吴海涛; 朱倩; 邵靖媛
Original assignee: Institute of Pharmacology and Toxicology of AMMS
Current assignee: Institute of Pharmacology and Toxicology of AMMS; Academy of Military Medical Sciences AMMS of PLA
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-04-28
Anticipated expiration: 2029-05-13

Abstract

An embryo electrotransformation experiment table with auxiliary injection function comprises an experiment table, an injector fixing structure, an injector pushing structure and a warm-keeping structure, wherein the injector fixing structure is arranged on the experiment table and used for placing and fixing an injector, the injector pushing structure is used for assisting injection completion, and the warm-keeping structure is used for keeping an experimental animal warm; the injector pushing structure comprises a pushing part which is contacted with a piston push rod of the injector, and the pushing part is arranged above the injector fixing structure; the warm keeping structure is arranged at the front end of the injector fixing structure; the injector fixing structure is integrally connected with the experiment table, the injector pushing structure is connected with the injector fixing structure in a combined manner, and the warm keeping structure is connected with the experiment table in a combined manner; the injector can be fixed by arranging the injector fixing structure, the injector pushing structure is used for pushing the injector, and the warm-keeping structure can keep warm for the experimental animal.

Description

Embryo electrotransformation experiment table with auxiliary injection function

Technical Field

The utility model belongs to biological assay equipment field, concretely relates to is an embryo electricity changes laboratory bench with supplementary injection function.

Background

The intrauterine embryo electrotransformation technology for experimental animal is one technology capable of transfecting plasmid to different embryo areas effectively without affecting the growth and development of fetal mouse in uterus, and makes it possible to research the action and mechanism of gene on the growth, birth, adult and gene of fetal mouse in mother's uterus. Embryo electrotransformation plays an important role in researching the proliferation, migration and differentiation processes of cells in neural development, and the technology is widely applied to researching the development of brains, cerebellum and spines at present and plays a key role in promoting the research of the regulation and control effect of genes in development. The improved design of the embryo electric transfer tool is expected to improve the application prospect of the technology, save precious time for researchers and improve the working efficiency. Embryo engineering is an important means for studying embryology, reproduction, development and genetics of animals, and is also a test model of embryo engineering of human beings and livestock; meanwhile, embryo engineering of experimental animals is also widely applied to establishment of self germ lines of experimental animals, resource preservation and embryo engineering of efficient breeding of experimental animals, and covers all in vitro operations of gametes (sperms and ova) and early embryos.

Carry out embryo electricity at the laboratory and change the experimentation, need to inject the plasmid to pregnant mouse intrauterine fetal mouse cavity, experiment operating personnel's both hands are in the occupy-place state, can not accomplish injection operation alone, need another laboratory personnel cooperation to accomplish, and the laboratory does not have the apparatus that is used for fixed syringe specially and can assist experiment operating personnel to carry out the plasmid injection at present, the speed that so operates the promotion syringe is hardly accurately grasped with the volume of injecting the plasmid, the deviation then can lead to the plasmid volume of injection not enough or inject the air admission cavity slightly, all will influence the experimental result, do not have the experimental apparatus of being convenient for in the aspect of the embryo electricity changes the injection of plasmid and being convenient for experiment operator independently to accomplish the injection at present.

The utility model discloses in carrying out embryo electricity transfer experimentation to prior art at the laboratory at present, need be to embryo cavity injection plasmid, experiment operating personnel's both hands are in the occupy-place state, can not accomplish the injection operation alone, need another laboratory staff cooperation to accomplish, and the laboratory does not have the problem that is used for fixed syringe specially and can assist experiment operating personnel to carry out the apparatus of injecting at present, provides an embryo electricity transfer laboratory bench convenient to independently high-efficiently accomplish plasmid injection.

SUMMERY OF THE UTILITY MODEL

In order to overcome among the prior art at present in the laboratory embryo electricity transfer experimentation, need be to embryo mouse cavity injection plasmid, experiment operating personnel's both hands are in the occupy-place state, can not accomplish the injection operation alone, need another laboratory staff cooperation to accomplish, and the laboratory does not have the problem that is used for fixed syringe specially and can assist experiment operating personnel to carry out the apparatus of injecting now, the utility model provides an embryo electricity transfer laboratory bench convenient to injection plasmid.

An embryo electrotransformation experiment table with auxiliary injection function comprises an experiment table, an injector fixing structure, an injector pushing structure and a warm-keeping structure, wherein the injector fixing structure is arranged on the experiment table and used for placing and fixing an injector, the injector pushing structure is used for assisting injection completion, and the warm-keeping structure is used for keeping an experimental animal warm; the injector pushing structure comprises a pushing part which is contacted with a piston push rod of the injector, and the pushing part is arranged above the injector fixing structure; the warm keeping structure is arranged at the front end of the injector fixing structure; the injector fixing structure is integrally connected with the experiment table, the injector pushing structure is connected with the injector fixing structure in a combined manner, and the warm keeping structure is connected with the experiment table in a combined manner; the injector can be fixed by arranging the injector fixing structure, the injector pushing structure is used for pushing the injector, so that the embryo can be injected conveniently, the warm-keeping structure can keep warm for the experimental animal, and the accuracy of experimental data is ensured.

Further, the laboratory bench sets up to the rectangle, and the laboratory bench adopts arbitrary one kind medical metal material preparation, and medical metal material security is high and weight is heavier to have stability, and on the other hand is convenient for wash.

Further, the injector pushing structure is arranged as an injector pushing rod; the pushing part is a pressing disc arranged at one end of a pushing rod of the injector.

Furthermore, the syringe push rod is arranged to be an inverted U-shaped rod, one end of the syringe push rod is arranged in the syringe fixing structure, and the other end of the syringe push rod is arranged above the fixing frame; when the injector pushing rod is used, the injector pushing rod is moved upwards, the injector is placed in the fixing frame, and after the injector is fixed, the injector pushing rod is pressed downwards, so that the piston pushing rod of the injector moves downwards, and embryo injection is carried out.

Further, the main part of syringe catch bar sets up to the cylindricality, and the columniform setting is identical with the shape of support column and syringe, is favorable to realizing the function that promotes the syringe on the one hand, and on the other hand preparation simple process is convenient for industrial production.

Further, the diameter of the pressing disc is larger than the diameters of the injector piston push rod and the injector push rod; the pressing area of the syringe push rod is increased by the arrangement of the pressing disc, and the syringe can be accurately pressed.

Further, the injector fixing structure comprises a supporting structure and a fixing frame for placing the injector, the fixing frame is arranged on one side of the supporting structure and is one side facing the center of the experiment table, and the fixing frame and the supporting structure are integrally connected; when the injection device is used, the injector is placed on the fixing frame and faces the center of the experiment table, so that the injector is close to an experimental animal and is convenient for embryo injection.

Further, the supporting structure is a cylindrical supporting column, and the bottom of the supporting column is integrally connected with the experiment table; the supporting column is provided with a hollow section, the hollow section is internally provided with the injector push rod, the injector push rod is arranged above the fixing frame, and the injector push rod is combined and connected with the supporting column; when the injector pushing rod is used, the injector can be pressed to inject.

Furthermore, an elastic structure is arranged at the bottom of the hollow section, the bottom of the elastic structure is combined and connected with the bottom of the hollow section, the elastic structure is positioned at the bottom of the syringe push rod, and the top of the elastic structure is combined and connected with the syringe push rod; the arrangement can ensure that the pushing rod of the injector has certain elasticity and can rebound to the upper position, and an acting force is given to experimenters in the injection process, so that the micro injection amount can be controlled.

Further, the elastic structure is provided as a spring; the elasticity of the spring is moderate.

Furthermore, an opening is formed in one side of the hollow section, a connecting button used for being connected with the syringe pushing structure is arranged at the bottom of the syringe pushing rod, the connecting button and the syringe pushing rod are integrally connected, and the connecting button extends out of the opening; during the use, the experimenter adjusts the syringe catch bar through the connecting button and reciprocates, and this kind of setting is convenient for syringe to promote the function that the structure realized promoting the syringe.

Further, the main body of the connecting button is arranged in a cylindrical shape; the cylindrical connection button has a smooth surface, facilitating sliding in the opening of the hollow section.

Furthermore, the fixing frame comprises a fixing ring and a connecting section, and the shape of the fixing ring is the same as that of the injector; one end of the connecting section is integrally connected with the fixing ring, and the other end of the connecting section is integrally connected with the supporting column; this arrangement facilitates securing the syringe within the holder.

Further, an injector bearing structure is arranged below the fixed frame, the injector bearing structure comprises a connecting section integrally connected with the supporting column and a bearing part used for bearing the injection end of the injector, and the bearing part is integrally connected with the connecting section; the setting of syringe bearing structure can be fixed the syringe, prevents to push down the in-process of syringe, and the syringe is deviate from in the mount, avoids influencing going on smoothly of experiment.

Furthermore, the inner diameters of the fixing ring and the injector bearing structure are set to be 0.5 cm-2 cm; the device is suitable for syringes of various specifications, and can be used for manufacturing fixing rings and syringe bearing structures with suitable specifications according to requirements.

Furthermore, the inner diameters of the fixing ring and the injector bearing structure are preferably set to be 1 cm-1.5 cm, the arrangement meets the specification of a 20ml injector for experiments, the 20ml injector can be stably fixed, and the experiment requirements are met.

Furthermore, an auxiliary pushing structure is arranged, the auxiliary pushing structure comprises a connecting part and an operating part, the connecting part is integrally connected with the connecting button, and the operating part is integrally connected with the connecting part; when in use, the experimenter can push the injector through the operating part.

Further, connecting portion set up to "L" type adjustable connecting rod, and "L" type adjustable connecting rod upwards extends, and "L" type adjustable connecting rod main part sets up to the cylindricality.

Furthermore, the L-shaped adjustable connecting rod is arranged as a telescopic rod, the telescopic rod comprises an accommodating pipe with a hollow interior, an adjusting rod arranged in the accommodating pipe and a locking structure; through setting up the telescopic link, can adjust the height of telescopic link according to experimenter's height.

Further, the locking structure is arranged as a threaded handle, and the main body of the threaded handle is arranged in a cylindrical shape; the adjusting rod can be tightly squeezed by rotating the threaded handle, so that the position of the adjusting rod is locked.

Furthermore, a circular through hole is formed in the side wall of one side of the upper end of the accommodating pipe, a threaded sleeve is arranged at the outer end of the circular through hole, and the threaded handle is arranged in the threaded sleeve; when the adjusting rod is used, the threaded handle is rotated, and one end, contacted with the threaded sleeve, of the threaded handle is rotated into the accommodating pipe, so that the position of the adjusting rod is locked.

Further, the operating part is arranged into a lower jaw bearing plate which is arranged into a boat shape; the upper part of the lower jaw bearing plate is made of soft materials, and the lower part of the lower jaw bearing plate is made of hard materials; the lower jaw bearing plate is arranged at the top of the adjustable connecting rod and is integrally connected with the adjustable connecting rod; when the adjustable connecting rod is used, an experimenter puts the lower jaw on the lower jaw bearing plate and then presses downwards, the adjustable connecting rod drives the injector push rod to move downwards, and therefore the injector piston push rod is pressed, and the function of pushing the injector to inject is achieved.

Or the connecting part is arranged to be similar to an L-shaped pedal connecting rod, the pedal connecting rod extends downwards, and the pedal connecting rod body is arranged to be cylindrical.

Furthermore, a pedal connecting rod accommodating hole is formed in the experiment table, the pedal connecting rod is arranged in the pedal connecting rod accommodating hole, and the diameter of the pedal connecting rod accommodating hole is slightly larger than that of the pedal connecting rod; the running-board connecting rod passes running-board connecting rod accommodation hole, conveniently reciprocates.

Further, the operating part is arranged as a pedal, and the pedal is arranged as a rectangle; the pedal is arranged at the bottom of the pedal connecting rod and is integrally connected with the pedal connecting rod; the distance between the pedal and the ground is 10-15 cm; when the injector pushing rod is used, an experimenter tramples the pedal plate downwards, and the pedal plate connecting rod drives the injector pushing rod to move downwards, so that the injector piston pushing rod is pressed, and the function of pushing the injector to inject is realized.

Furthermore, the warm-keeping structure is a small electric blanket which is rectangular; the device can keep the experimental animal warm in the experimental operation process.

Furthermore, the small electric blanket is connected with the experiment table in a combined way through sticking or binding; the arrangement is convenient for cleaning the small electric blanket.

Further, an experiment table fixing structure is arranged on the side edge of the experiment table, the experiment table fixing structure is arranged on the side wall of the experiment table, and the experiment table fixing structure is connected with the experiment table in a combined mode; the experiment table can be stably fixed on a table of a laboratory by arranging the experiment table fixing structure.

Furthermore, the experiment table fixing structure comprises a fixing plate, a moving track arranged on the fixing plate and a moving plate capable of moving along the moving track; the fixed plate is connected with the experiment table in a combined mode, and the movable plate is connected with the movable track in a combined mode; the fixed plate and the experiment table are connected in a combined mode, so that the fixed plate can be detached conveniently and can be detached at any time when not fixed.

Further, the fixing plate is arranged to be of an inverted L shape, and the main body of the fixing plate is arranged to be rectangular; the arrangement is convenient for being connected with the experiment table and arranging the movable track.

Furthermore, the movable plate comprises a sliding block matched with the movable track in shape and a tightening screw, the sliding block is arranged in the movable track, and the sliding block is integrally connected with the movable plate; one end of the movable plate is provided with a screw socket, and a tightening screw is arranged in the screw socket; when the movable plate fixing device is used, the sliding block can be slid according to needs to adjust the position of the movable plate, then the screw is screwed down to fix the movable plate on a table of a laboratory, and therefore the laboratory table is fixed on the table.

When the device is used, the laboratory table is fixed on a table of a laboratory through the laboratory table fixing structure, when the pushing rod of the injector is positioned above the supporting column, a certain distance is reserved between the pushing rod and the fixing frame, the injector is conveniently installed at the certain distance, the injector is placed in the fixing ring, and the extension tube with the needle head is connected to the injector; then adjusting a telescopic rod below the lower jaw bearing plate to a proper position, locking the height of the telescopic rod through a threaded handle, pressing the lower jaw bearing plate downwards by an experimenter, driving a syringe push rod to move downwards by the telescopic rod, and pressing a piston push rod on the syringe to push liquid in the syringe downwards to flow out; or the experimenter tramples the pedal plate downwards, the telescopic rod drives the injector push rod to move downwards, so that the piston push rod on the injector is pressed, and the function of pushing the injector to inject is realized.

Compared with the prior art that the embryo is injected by manually holding the injector in a laboratory, the technical scheme of the utility model only needs one experimental operator to complete the operation, and when the two hands of the experimental operator are in an occupying state, the injection operation can be smoothly completed, and the operation is simple, time-saving and efficient; the structure is ingenious, the manufacturing process is simple, the cost is low, and the device can be widely applied to various laboratories.

Drawings

FIG. 1 is an overall structure of a lower jaw bearing plate of an embryo electric transfer experiment table with an auxiliary injection function of the utility model;

fig. 2 is a schematic view of the whole rear view structure of a lower jaw bearing plate of the embryo electric transfer experiment table with the auxiliary injection function of the utility model;

FIG. 3 is an enlarged schematic view of the junction between the lower jaw supporting plate and the supporting column of the embryo electric transfer experiment table with the auxiliary injection function of the present invention;

FIG. 4 is an enlarged schematic view of a lower jaw supporting plate of an embryo electric transfer experiment table with an auxiliary injection function of the present invention;

FIG. 5 is a schematic view of the cross-sectional enlarged structure of the threaded handle of the embryo electric transfer bench with the auxiliary injection function of the present invention;

fig. 6 is a schematic view of the whole structure of the embryo electric transfer experiment table with the auxiliary injection function, which is provided with a lower jaw bearing plate and an experiment table fixing structure;

FIG. 7 is a schematic view of the whole structure of an embryo electric transfer experiment table with auxiliary injection function of the present invention with a pedal;

FIG. 8 is a schematic view of the whole structure of an embryo electric transfer experiment table with auxiliary injection function of the present invention, which is provided with a pedal plate and an experiment table fixing structure;

FIG. 9 is a schematic view of a partial structure of an embryo electric transfer experiment table with an auxiliary injection function, which is provided with a pedal;

fig. 10 is a schematic diagram of the whole enlarged structure of the fixing structure of the injector of the embryo electrical transfer experiment table with the auxiliary injection function of the present invention.

FIG. 11 is an enlarged structural view of the fixing structure of the injector with an injector of the embryo electrical transfer laboratory bench with the auxiliary injection function of the present invention;

fig. 12 is a schematic view of the whole cross-sectional structure of the fixing structure of the injector of the embryo electrical transfer laboratory bench with the auxiliary injection function of the present invention;

FIG. 13 is a schematic view of the whole enlarged structure of a single fixing structure of an embryo electric transfer experiment table with an auxiliary injection function according to the present invention;

FIG. 14 is a schematic diagram of an enlarged structure of a fixed structure moving plate of an embryo electrical transfer experiment table with an auxiliary injection function;

fig. 15 is a schematic diagram of the whole enlarged structure of the fixing plate of the fixed structure of the embryo electrical transfer experiment table with the auxiliary injection function.

In the figure, 1, a laboratory bench; 11. a small electric blanket; 12. a support pillar; 121. a hollow section; 1211. a spring; 122. an injector push rod; 1221. pressing the disc; 1222. a connecting button; 123. a fixed mount; 1231. a connecting section; 124. an injector support structure; 13. a telescopic rod; 131. accommodating the tube; 1311. a circular through hole; 1312. a threaded sleeve; 132. adjusting a rod; 133. a threaded handle; 134. a lower jaw bearing plate; 135. a foot pedal; 1351. a foot pedal connecting rod; 14. a connecting rod receiving hole; 2. a laboratory bench fixing structure; 21. a fixing plate; 22. a moving track; 221. a slider; 23. moving the plate; 231. screwing down the screw; 3. an injector;

31. the piston pushes the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the disclosure in the specification. The utility model discloses can also implement or use through other different concrete implementation manners, under the condition of conflict-free, the characteristics in following embodiment and the embodiment can make up each other, based on the embodiment in the utility model, all other embodiments that the ordinary skilled in the art obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.

The connecting mode of the spring, the bottom of the hollow section and the bottom of the pushing rod of the injector in the technical scheme is the prior art well known by the technical personnel in the field, and the technical personnel in the field can connect the spring, the bottom of the pushing rod of the injector and the bottom of the hollow section in any mode, so that the technical scheme does not have the problem of insufficient disclosure.

Embodiment 1 an embryo electrotransformation experiment table with auxiliary injection function

An embryo electrotransformation experiment table with auxiliary injection function comprises an experiment table 1, an injector fixing structure, an injector pushing structure and a warm-keeping structure, wherein the injector fixing structure is arranged on the experiment table 1 and used for arranging and fixing an injector 3, the injector pushing structure is used for assisting in completing injection, and the warm-keeping structure is used for keeping an experimental animal warm; the injector pushing structure comprises a pushing part which is contacted with a piston push rod of the injector 3, and the pushing part is arranged above the injector fixing structure; the warm keeping structure is arranged at the front end of the injector fixing structure; the injector fixing structure is integrally connected with the experiment table 1, the injector pushing structure is connected with the injector fixing structure in a combined mode, and the warm keeping structure is connected with the experiment table 1 in a combined mode; can be fixed with syringe 3 through setting up syringe fixed knot structure, syringe promotes the structure and is used for promoting syringe 3 to be convenient for inject the embryo, cold-proof structure can be cold-proof for the experimental animal, guarantees the accuracy of experimental data.

Laboratory bench 1 sets up to the rectangle, and laboratory bench 1 adopts arbitrary one kind medical metal material preparation, and medical metal material security is high and weight is heavier has stability, and on the other hand is convenient for wash.

The syringe push structure is provided as a syringe push rod 122; the pushing portion is a pressing plate 1221 provided at one end of the syringe push rod 122.

The syringe push rod 122 is arranged as an inverted U-shaped rod, one end of the syringe push rod 122 is arranged in the syringe fixing structure, and the other end is arranged above the fixing frame 123; when the injector pushing rod 122 is used, the injector pushing rod 122 is moved upwards, the injector 3 is placed in the fixing frame 123, and after the injector 3 is fixed, the injector pushing rod 122 is pressed downwards, so that the piston pushing rod of the injector 3 moves downwards, and embryo injection is performed.

The main body of the syringe push rod 122 is cylindrical, and the cylindrical arrangement is matched with the shapes of the support column 12 and the syringe 3, so that the syringe 3 can be pushed easily, and the manufacturing process is simple and convenient for industrial production.

The diameter of the pressing disc 1221 is larger than the diameters of the piston push rod of the injector 3 and the injector push rod 122; the arrangement of the pressing plate 1221 increases the pressing area of the syringe push rod 122, which is advantageous for accurately pressing the syringe 3.

The injector fixing structure comprises a supporting structure and a fixing frame 123 for placing the injector 3, the fixing frame 123 is arranged on one side of the supporting structure and is the side facing the center of the experiment table 1, and the fixing frame 123 is integrally connected with the supporting structure; when the device is used, the injector 3 is placed on the fixing frame 123, and the injector 3 faces the center of the experiment table 1, so that the device is close to an experimental animal and is convenient for embryo injection.

The supporting structure is a cylindrical supporting column 12, and the bottom of the supporting column 12 is integrally connected with the experiment table 1; the cylindrical support column 12 occupies a small space on one hand and is safe in surface smoothness on the other hand.

A hollow section 121 is arranged on the support column 12, the syringe push rod 122 is arranged in the hollow section 121, the syringe push rod 122 is arranged above the fixing frame 123, and the syringe push rod 122 is connected with the support column 12 in a combined manner; by pressing the syringe push lever 122, a function of pressing the syringe 3 to perform injection can be realized.

The fixing frame 123 comprises a fixing ring and a connecting section 1231, and the fixing ring and the injector 3 have the same shape; one end of the connecting section 1231 is integrally connected with the fixing ring, and the other end of the connecting section is integrally connected with the supporting column 12; this arrangement facilitates the securing of the syringe 3 within the holder 123.

The warm-keeping structure is a small electric blanket 11, and the small electric blanket 11 is rectangular; the device can keep the experimental animal warm in the experimental operation process.

The small electric blanket 11 is combined and connected with the experiment table 1 in a sticking or binding mode; this arrangement facilitates cleaning of the small electric blanket 11.

Embodiment 2 embryo electrotransfer laboratory bench with supplementary injection function

An elastic structure is arranged at the bottom of the hollow section 121, the bottom of the elastic structure is combined and connected with the bottom of the hollow section 121, the elastic structure is positioned at the bottom of the syringe push rod 122, and the top of the elastic structure is combined and connected with the syringe push rod 122; the arrangement can enable the syringe push rod 122 to have certain elasticity and to rebound to the upper position, and an acting force is provided for experimenters in the injection process, so that the micro injection amount can be controlled.

The elastic structure is provided as a spring 1211; the elasticity of the spring 1211 is moderate.

An opening is arranged at one side of the hollow section 121, a connecting button 1222 for connecting the syringe pushing structure is arranged at the bottom of the syringe pushing rod 122, the connecting button 1222 is integrally connected with the syringe pushing rod 122, and the connecting button 1222 extends out of the opening; this arrangement facilitates the syringe push structure to perform the function of pushing the syringe 3.

The body of the connection button 1222 is provided in a cylindrical shape; the cylindrical connecting knob 1222 has a smooth surface for sliding movement within the opening of the hollow section 121.

An auxiliary pushing structure is arranged, the auxiliary pushing structure comprises a connecting part and an operating part, the connecting part is integrally connected with the connecting button 1222, and the operating part is integrally connected with the connecting part; when in use, the experimenter can push the injector 3 through the operation part.

The connecting portion are arranged to be L-shaped adjustable connecting rods, the L-shaped adjustable connecting rods extend upwards, and the L-shaped adjustable connecting rod main bodies are arranged to be cylindrical.

The L-shaped adjustable connecting rod is arranged as an expansion link 13, the expansion link 13 comprises an accommodating tube 131 with a hollow interior, an adjusting rod 132 arranged in the accommodating tube 131 and a locking structure; through setting up telescopic link 13, can adjust the height of telescopic link 13 according to experimenter's height.

The locking structure is provided as a threaded handle 133, and the body of the threaded handle 133 is provided as a cylinder; the adjustment lever 132 may be tightened by rotating the threaded knob 133, thereby locking the position of the adjustment lever 132.

A circular through hole 1311 is arranged on the side wall of one side of the upper end of the accommodating pipe 131, a thread sleeve 1312 is arranged at the outer end of the circular through hole 1311, and the threaded handle 133 is arranged in the thread sleeve 1312; in use, by rotating the knob 133, the end of the knob 133 in contact with the sleeve 1312 is rotated into the receiving tube 131, thereby locking the position of the adjustment lever 132.

The operating part is provided with a lower jaw bearing plate 134, and the lower jaw bearing plate 134 is provided with a boat shape; the upper part of the lower jaw bearing plate 134 is made of soft materials, and the lower part of the lower jaw bearing plate is made of hard materials; a mandibular bearing plate 134 is disposed on top of and integrally connected to the adjustable connecting bar; when the injector is used, an experimenter puts the lower jaw on the lower jaw bearing plate 134 and then presses downwards, the adjustable connecting rod drives the injector push rod 122 to move downwards, so that the injector 3 piston push rod 31 is pressed, and the function of pushing the injector 3 to inject is realized.

Embodiment 3 embryo electrotransfer laboratory bench with supplementary injection function

A syringe bearing structure 124 is arranged below the fixing frame 123, the syringe bearing structure 124 comprises a connecting section 1231 integrally connected with the supporting column 12 and a bearing part for bearing the injection end of the syringe 3, and the bearing part is integrally connected with the connecting section 1231; the setting of syringe bearing structure 124 can be fixed syringe 3, prevents pushing down the in-process of syringe 3, and syringe 3 deviates from in the mount 123, avoids influencing going on smoothly of experiment.

The inner diameter of the fixing ring and the injector supporting structure 124 is set to be 0.5 cm-2 cm; this arrangement can be adapted to syringes 3 of various sizes, and the appropriate size of the retaining ring and syringe support structure 124 can be made as required.

An experiment table fixing structure 2 is arranged on the side edge of the experiment table 1, the experiment table fixing structure 2 is arranged on the side wall of the experiment table 1, and the experiment table fixing structure 2 is connected with the experiment table 1 in a combined mode; the laboratory table 1 can be stably fixed on a laboratory table by arranging the laboratory table fixing structure 2.

The experiment table fixing structure 2 comprises a fixing plate 21, a moving track 22 arranged on the fixing plate 21, and a moving plate 23 capable of moving along the moving track 22; the fixed plate 21 is connected with the experiment table 1 in a combined mode, and the movable plate 23 is connected with the movable track 22 in a combined mode; the fixing plate 21 and the experiment table 1 are connected in a combined mode, so that the fixing plate 21 can be detached conveniently, and the fixing plate 21 can be detached at any time when the fixing is not needed.

The fixing plate 21 is arranged in an inverted L shape, and the main body of the fixing plate 21 is arranged in a rectangular shape; this arrangement facilitates connection with the laboratory table 1 and the arrangement of the moving rail 22.

The moving plate 23 comprises a sliding block 221 matched with the moving track 22 in shape and a tightening screw 231, the sliding block 221 is arranged in the moving track 22, and the sliding block 221 is integrally connected with the moving plate; one end of the moving plate 23 is provided with a screw socket, and a tightening screw 231 is arranged in the screw socket; when the laboratory bench is used, the slide block 221 can be slid as required to adjust the position of the moving plate 23, and then the screws are tightened to fix the moving plate 23 on the table of the laboratory, so that the laboratory bench 1 is fixed on the table.

Embodiment 4 an embryo electrotransformation experiment table with auxiliary injection function

The connecting portion is provided like an "L" shaped footboard connecting rod 1351, the footboard connecting rod 1351 extends downward, and the footboard connecting rod 1351 is provided in a cylindrical shape.

A pedal connecting rod accommodating hole 14 is formed in the experiment table 1, the pedal connecting rod 1351 is arranged in the pedal connecting rod accommodating hole 14, and the diameter of the pedal connecting rod accommodating hole 14 is slightly larger than that of the pedal connecting rod 1351; the footboard connecting rod 1351 passes through the footboard connecting rod receiving hole 14 to be conveniently moved up and down.

The operating part is provided with a pedal 135, and the pedal 135 is provided with a rectangle shape; the footboard 135 is provided at the bottom of the footboard connecting rod 1351 and integrally connected with the footboard connecting rod 1351; the distance between the pedal 135 and the ground is 10-15 cm; when the injector is used, an experimenter steps on the pedal 135 downwards, the pedal connecting rod 1351 drives the injector push rod 122 to move downwards, so that the injector 3 piston push rod 31 is pressed, and the function of pushing the injector 3 to inject is realized.

Embodiment 5 an embryo electrotransfer laboratory bench with supplementary injection function

The inner diameter of the fixing ring and the injector supporting structure 124 is set to be 1.0 cm-1.5 cm; this arrangement can be adapted to syringes 3 of various sizes, and the appropriate size of the retaining ring and syringe support structure 124 can be made as required.

A pedal connecting rod accommodating hole 14 is formed in the experiment table 1, the pedal connecting rod 1351 is arranged in the pedal connecting rod accommodating hole 14, and the diameter of the pedal connecting rod accommodating hole 14 is slightly larger than that of the connecting rod 1351; the footboard connecting rod 1351 passes through the footboard connecting rod receiving hole 14 to be conveniently moved up and down.

The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will fall within the protection scope of the claims of the present invention.

Claims

1. An embryo electrotransformation experiment table with auxiliary injection function comprises an experiment table (1), an injector fixing structure, an injector pushing structure and a warm-keeping structure, wherein the injector fixing structure is arranged on the experiment table (1) and used for placing and fixing an injector (3), the injector pushing structure is used for assisting in completing injection, and the warm-keeping structure is used for keeping experimental animals warm; the injector pushing structure comprises a pushing part which is contacted with a piston push rod of the injector (3), and the pushing part is arranged above the injector fixing structure; the warm keeping structure is arranged at the front end of the injector fixing structure; the injector fixing structure is integrally connected with the experiment table (1), the injector pushing structure is connected with the injector fixing structure in a combined mode, and the warm-keeping structure is connected with the experiment table (1) in a combined mode.

2. The embryo transfer laboratory bench with auxiliary injection function according to claim 1, wherein the injector pushing structure is configured as an injector pushing rod (122); the pushing part is a pressing disc (1221) arranged at one end of the injector pushing rod (122).

3. The embryo transfer laboratory bench with the auxiliary injection function according to claim 2, wherein the injector fixing structure comprises a supporting structure and a fixing frame (123) for placing the injector (3), the fixing frame (123) is arranged on one side of the supporting structure and is the side facing to the center of the laboratory bench (1), and the fixing frame (123) is integrally connected with the supporting structure.

4. The embryo transfer laboratory bench with auxiliary injection function according to claim 3, wherein the injector pushing rod (122) is an inverted "U" shaped rod, one end of the injector pushing rod (122) is arranged in the injector fixing structure, and the other end is arranged above the fixing frame (123).

5. The embryo transfer laboratory bench with the auxiliary injection function according to claim 4, wherein the supporting structure is a cylindrical supporting column (12), and the bottom of the supporting column (12) is integrally connected with the laboratory bench (1); the support column (12) is provided with a hollow section (121), the hollow section (121) is internally provided with the injector push rod (122), the injector push rod (122) is arranged above the fixed frame (123), and the injector push rod (122) is connected with the support column (12) in a combined manner.

6. The embryo electrical transfer experiment table with the auxiliary injection function according to claim 4, wherein a syringe holding structure (124) is arranged below the fixing frame (123), the syringe holding structure (124) comprises a connecting section (1231) integrally connected with the supporting column (12) and a bearing part for holding the injection end of the syringe (3), and the bearing part is integrally connected with the connecting section (1231).

7. The embryo electrical transfer experiment table with the auxiliary injection function as claimed in claim 1, wherein an auxiliary pushing structure is provided, the auxiliary pushing structure comprises a connecting part and an operating part, and the operating part and the connecting part are integrally connected.

8. The embryo electrical transfer experiment table with the auxiliary injection function as claimed in claim 7, wherein the connecting part is provided as an "L" -shaped adjustable connecting rod, the "L" -shaped adjustable connecting rod extends upwards, and the "L" -shaped adjustable connecting rod main body is provided as a cylinder.

9. The embryo transfer laboratory bench with auxiliary injection function according to claim 8, wherein the operating part is provided as a mandible supporting plate (134), and the mandible supporting plate (134) is provided in a boat shape; the upper part of the lower jaw bearing plate (134) is made of soft materials, and the lower part of the lower jaw bearing plate is made of hard materials; a lower jaw bearing plate (134) is arranged at the top of the L-shaped adjustable connecting rod and is integrally connected with the L-shaped adjustable connecting rod.

10. The embryo transfer experiment table with the auxiliary injection function according to any one of claims 1 to 9, wherein an experiment table fixing structure (2) is arranged on a side edge of the experiment table (1), the experiment table fixing structure (2) is arranged on a side wall of the experiment table (1), and the experiment table fixing structure (2) is connected with the experiment table (1) in a combined manner.