CN110584824A - Injection fixing device for intoxication state experimental animals - Google Patents
Injection fixing device for intoxication state experimental animals Download PDFInfo
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- CN110584824A CN110584824A CN201810602435.1A CN201810602435A CN110584824A CN 110584824 A CN110584824 A CN 110584824A CN 201810602435 A CN201810602435 A CN 201810602435A CN 110584824 A CN110584824 A CN 110584824A
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- Prior art keywords
- clamping
- displacement
- displacement rod
- intoxicated
- displacement pole
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- 238000002347 injection Methods 0.000 title claims abstract description 34
- 239000007924 injection Substances 0.000 title claims abstract description 34
- 238000010171 animal model Methods 0.000 title claims abstract description 26
- 230000035987 intoxication Effects 0.000 title description 3
- 231100000566 intoxication Toxicity 0.000 title description 3
- 238000006073 displacement reaction Methods 0.000 claims abstract description 109
- 238000002474 experimental method Methods 0.000 claims abstract description 33
- 241001465754 Metazoa Species 0.000 claims abstract description 13
- 206010002091 Anaesthesia Diseases 0.000 claims description 6
- 230000037005 anaesthesia Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 5
- 239000007779 soft material Substances 0.000 claims description 4
- 230000005012 migration Effects 0.000 claims description 2
- 238000013508 migration Methods 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract 2
- 210000003128 head Anatomy 0.000 description 42
- 230000000149 penetrating effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 241000699666 Mus <mouse, genus> Species 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 210000000278 spinal cord Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000004960 anterior grey column Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D3/00—Appliances for supporting or fettering animals for operative purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D3/00—Appliances for supporting or fettering animals for operative purposes
- A61D2003/003—Appliances for supporting or fettering animals for operative purposes with head or neck restraining means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Animal Husbandry (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The injection fixing device for the experimental animals in the intoxicated state is arranged on an experiment table and comprises at least one clamping device, wherein the clamping device comprises a displacement rod, a driving arm and a clamping part which are sequentially connected, the displacement rod is used for controlling the driving arm to vertically move above the experiment table, the driving arm is provided with at least two universal joints for supporting the free movement of the clamping part, the clamping part comprises a first clamping piece and a second clamping piece, clamping heads of the first clamping piece or the second clamping piece bend towards the experiment table, and the clamping heads are mutually abutted. The invention adopts a spherical universal joint connection mode to realize free deflection; the clamping head is provided with the kit, so that the comfort and the applicability are improved, the damage to animals is reduced, the service life of the device is prolonged, and the clamping head can be used for clamping a centrifugal tube filled with medicines or reagents so as to be convenient for accurately sucking the medicines and the reagents; the structure through the displacement pole improves and realizes quick accurate displacement from top to bottom.
Description
Technical Field
The invention relates to the technical field of experimental devices, in particular to an injection fixing device for an experimental animal in an anesthesia state.
Background
This section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
When an experimental animal (such as a mouse) in an anesthesia state is used for medical experiments, the mouse needs to be injected with spinal cords (ventral horn, dorsal horn and middle band) or spinal side lower part, the existing experimental device usually exposes and fixes the part to be injected on the back of the mouse, then only vertical injection can be carried out, the existing experimental device can only move up and down and left and right to meet the application of vertical injection in the spinal cords, when hidden parts such as the side part of the injection part or the spinal side lower part and the like are hidden, external tissues generally need to be cut off to be exposed, the animal is greatly damaged, and ischemia and infection death are easily caused by careless operation; moreover, the existing experimental device is complex in installation process, low in precision, poor in operability, long in time consumption and low in experimental efficiency, and the up-down and left-right movement is controlled by adopting simple screws.
Disclosure of Invention
In view of the above, there is a need for an improved injection fixture for experimental animals under anesthesia, which can freely deflect the clamped injection site, and has the advantages of high comfort, convenient installation, high precision and short experimental time.
The technical scheme provided by the invention is as follows: the utility model provides an injection fixing device for experimental animals in anesthesia state, installs on the laboratory bench, includes an at least clamping device, clamping device contains displacement pole, actuating arm and the clamping part that connects gradually, the displacement pole is used for control the actuating arm is in the vertical migration of laboratory bench top, the actuating arm is equipped with at least one universal joint and is used for supporting the free movement of clamping part, the clamping part includes first folder and second folder, first folder or the holding head orientation of second folder the laboratory bench direction is crooked, the holding head contradicts each other.
Further, the universal joint is a ball joint.
Furthermore, a sleeve is arranged outside the clamping head and made of a soft material.
Furthermore, the clamping head is provided with a plurality of groups or a plurality of groups with different thicknesses and shapes, and is used for clamping or pulling apart and fixing different parts.
Furthermore, the clamping head is in point contact, the contact area is small, the neck clamping head is suitable for neck clamping, and the damage is small.
Further, the first clamping piece or the second clamping piece comprises a tail end and a first middle end, the first middle end is connected with the clamping head, and the first middle end is located below a connecting line of the tail end and a fixed end of the clamping head.
Further, a first through hole and a second through hole are arranged on the tail end and/or the first middle end.
Furthermore, a first rotating part is arranged at the end part of the driving arm penetrating out of the first through hole.
Furthermore, an elastic element is arranged between the second through holes of the first clamping piece and the second clamping piece.
Furthermore, the elastic element is a spring and is sleeved on a fastening piece penetrating through the second through hole, and a second fastening piece is arranged on the fastening piece.
Furthermore, the elastic element is an elastic sheet and is sleeved on the fastening piece penetrating through the second through hole, and the fastening piece is provided with a second fastening piece.
Furthermore, the end part, far away from the experiment table, of the displacement rod is connected with the bottom of the fixing part, the driving arm penetrates into or penetrates out of the inner part of the fixing part in a direction parallel to the experiment table, and a third rotating part is arranged above the driving arm at the top of the fixing part.
Further, the displacement rod comprises a first displacement rod and a second displacement rod, the top of the first displacement rod is fixed to the bottom of the fixing portion, the second displacement rod is fixed to the top surface of the base on the experiment table top, and the first displacement rod and the second displacement rod are matched with each other to control the height of the driving arm.
Further, an outer surface of the first displacement rod is threadedly engaged with an inner surface of the second displacement rod.
Further, the bottom of first displacement pole is equipped with the ear, the internal surface of second displacement pole is equipped with vertically spout and a plurality of ear ditch, the spout with the profile cooperation of ear is used for reciprocating, works as when first displacement pole removes to suitable position rotatory ear card is gone into ear ditch internal fixation.
Further, the laboratory bench is equipped with the device groove, the displacement pole is fixed in on the base, the base is followed the translation of device groove to through with the screw that the displacement pole set up side by side is screwed fixedly.
Furthermore, the clamping device is provided with 2, and 2 groups of clamping heads are arranged oppositely.
Further, the driving arm is provided with 2 ball joints.
Further, the device tank is provided with 2 in parallel.
Compared with the prior art, the injection fixing device for the experimental animals in the intoxicated state, which is provided by the invention, is arranged on an experiment table and comprises at least one clamping device, wherein the clamping device comprises a displacement rod, a driving arm and a clamping part which are sequentially connected, the displacement rod is used for controlling the driving arm to vertically move above the experiment table, the driving arm is provided with at least two universal joints for supporting the free movement of the clamping part, the clamping part comprises a first clamping piece and a second clamping piece, clamping heads of the first clamping piece or the second clamping piece are bent towards the direction of the experiment table, and the clamping heads are mutually abutted. The invention adopts a spherical universal joint connection mode to realize free deflection; the clamping head is provided with the kit, so that on one hand, the comfort level is improved, on the other hand, the damage to the rats is reduced, and the service life of the device is prolonged; the structure through the displacement pole improves and realizes quick accurate displacement from top to bottom.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of an injection fixing device according to an embodiment of the present invention.
Fig. 2 is a schematic view of the gimbal structure shown in fig. 1.
FIG. 3 is a schematic view of the clamping head and the kit of FIG. 1.
Fig. 4 is a further schematic view of the displacement rod of fig. 1.
Description of reference numerals:
| injection fixing device | 1 |
| Clamping device | 2 |
| Clamping part | 3 |
| Clamping head | 4 |
| External member | 5 |
| First clamping piece | 6 |
| Second clamping piece | 7 |
| First through hole | 8 |
| Second through hole | 9 |
| First screwing member | 10 |
| Fastening piece | 11 |
| Elastic element | 12 |
| Second screwing part | 13 |
| Fixing part | 14 |
| Third screwing part | 15 |
| Driving arm | 16 |
| Universal joint | 17 |
| Displacement rod | 18 |
| First displacement rod | 19 |
| Second displacement rod | 20 |
| Ear piece | 21 |
| Sliding chute | 22 |
| Ear canal | 23 |
| Experiment table | 24 |
| Device groove | 25 |
| Base seat | 26 |
The following detailed description further illustrates embodiments of the invention in conjunction with the above-described figures.
Detailed Description
So that the manner in which the above recited objects, features and advantages of embodiments of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments of the invention, and the described embodiments are merely a subset of embodiments of the invention, rather than a complete embodiment. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the embodiments of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the present invention belong. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention.
Referring to fig. 1, an injection fixing device 1 for experimental animals in anesthesia state of the present invention is installed on an experiment table 24, and includes at least one clamping device 2, the clamping device 2 includes a displacement rod 18, a driving arm 16 and a clamping portion 3, which are connected in sequence, the displacement rod 18 is used for controlling the vertical movement of the driving arm 16 above the experiment table 24, the driving arm 16 is provided with at least two universal joints 17 for supporting the free movement of the clamping portion 3, the clamping portion 3 includes a first clamping member 6 and a second clamping member 7, a clamping head 4 of the first clamping member 6 or the second clamping member 7 is bent towards the experiment table 24, and the clamping heads 4 are abutted against each other. The injection fixing device 1 is used for fixing the intoxication state experimental animal, and is convenient for vertical injection in the spinal cord, in particular to injection arranged on the spinal column and the parts around the spinal column.
The clamping device 2 is used for clamping or stripping skin tissues of experimental animals and comprises a displacement rod 18, a driving arm 16 and a clamping part 3 which are connected in sequence. The driving arm 16 and the clamping portion 3 may be integrally formed or fixedly connected.
The clamping part 3 is used for clamping or poking and fixing the part to be injected. The clamping part 3 is provided with a pair of clamping pieces, namely a first clamping piece 6 and a second clamping piece 7, the clamping head 4 of the first clamping piece 6 or the second clamping piece 7 faces the experiment table 24, the direction is bent (namely downwards bent), the first clamping piece 6 and the second clamping piece 7 are arranged in a mirror symmetry mode in the horizontal direction (the same direction with the plane of the experiment table 24), and the clamping heads 4 are mutually abutted.
The clamping head 4 can be point contact to reduce the damage to the experimental animal, and simultaneously, the space between the first clamping piece 6 and the second clamping piece 7 can be enlarged, so that other accessories such as an LED light source and a microscope lens can be conveniently assembled.
Referring to fig. 3, in one embodiment, the first clamping member 6 (or the second clamping member 7) includes a tail end and a first middle end, the first middle end is connected to the clamping head 4, and the first middle end is located below a connection line between the tail end and a fixed end of the clamping head 4. The purpose of the position improvement of the first middle end is to enable a microscope (which can also be other large-size devices) with a larger diameter to be placed above the clamping head 4, and the microscope is not obstructed by the first middle end, so that the observation and the alignment of the injection site are facilitated.
It is understood that the first middle end can be a linear type, a curved type or a multi-line segment as well as a free line segment, and is not limited by the shape, and only needs to be designed in consideration of the requirements of practical application and processing. The first middle end and the clamping head 4 can be fixed in a fixed connection mode, an integral forming mode or other clamping spiral modes.
In another embodiment, the clamping head 4 is integrally formed with the first middle end, and at least one surface of the clamping head 4 is striped to increase friction. The thickness of holding head 4 varies (as 1mm, 2mm etc.), and the shape (as half toper, oblate etc.) is variable for the centre gripping or dial out fixedly, treats area of contact, depth of contact and the angle of injection position with the animal, and the centre gripping dynamics is adjustable, selects according to animal test's needs to be used for improving the suitability, still can be used to the centre gripping simultaneously and is equipped with the centrifuging tube of medicine or reagent, the accurate medicine and reagent of absorbing of being convenient for.
It is understood that the stripe pattern is not limited, and may be a horizontal stripe, a vertical stripe, or a fingerprint stripe, or may be a non-stripe pattern, such as a plurality of dots arranged, or a coating layer having a high friction coefficient, which can increase the friction force.
In another embodiment, the clamping head 4 is integrally formed with the first middle end, the inner side surface of the clamping head 4 is in a shape of a horizontal stripe, and a sleeve 5 is disposed on the outer side of the clamping head 4, and the sleeve 5 is made of a soft material, such as silicone rubber, and the like. The kit 5 is a consumable, the service life of the kit can be prolonged by matching with the supporting head 4, and the comfort of the experimental animal can be improved by adopting a soft material.
It can be understood that the kit 5 can be selected and used as a material according to the size of the experimental animal and the size of the required friction force, and can be set into various models, and the kit 5 is selected and used in each experiment, and the kit 5 needs to be matched with the clamping head 4 for use, and is preferably made of a material with certain elasticity so as to enhance the adhesive force.
The tail end and/or the first middle end are/is provided with a first through hole 8 and a second through hole 9, the driving arm 16 penetrates through the first through hole 8 of the first clamping piece 6 and the first through hole 8 of the second clamping piece 7 and penetrates out, and the end part after penetrating out is provided with a first screwing piece 10. The second through holes 9 of the first clamping piece 6 and the second clamping piece 7 are penetrated and penetrated out by a fastening piece 11, a second fastening piece 13 is arranged at the penetrated end, and an elastic element 12 is further arranged between the second through holes 9 of the first clamping piece 6 and the second clamping piece 7. The elastic element 12 is sleeved on the fastening member 11. The first and second tightening members 10 and 13 are configured to control displacement by thread fit with scale readings, and the first and second tightening members 10 and 13 and the elastic member 12 together control the displacement between the gripping heads 4 and the magnitude of the gripping force.
In one embodiment, the elastic element 12 is a spring, and is sleeved on the fastening member 11 passing through the second through hole 9, and the fastening member 11 is provided with a second fastening member 13.
In another embodiment, the elastic element 12 is a spring, and is sleeved on the fastening member 11 passing through the second through hole 9, and the fastening member 11 is provided with a second fastening member 13.
Referring to fig. 2, the driving arm 16 is a main component of the clamping device 2 for realizing the change of the clamping angle, and is provided with at least one universal joint 17 for supporting the free movement of the clamping portion 3. One end of the driving arm 16 passes through the first through hole 8 to the outside, and the other end of the driving arm 16 is fixedly connected with the displacement rod 18. In one embodiment, the intermediate section of the actuating arm 16 is provided with a ball joint 17.
It is understood that the number of the universal joints 17 may be 2 or more than 2, and the universal joints 17 are not limited to a spherical connection, and may rotate only in a plane, or may move freely through a combination of a plurality of groups.
The displacement rod 18 is used to control the vertical movement of the drive arm 16 above the laboratory table 24 and the horizontal movement itself relative to the laboratory table 24. The displacement rod 18 is perpendicular to the experiment table 24, the displacement rod 18 comprises a first displacement rod 19 and a second displacement rod 20, the top of the first displacement rod 19 is fixed at the bottom of the fixing part 14, the second displacement rod 20 is fixed on the top surface of a base 26 on the surface of the experiment table 24, and the first displacement rod 19 and the second displacement rod 20 are matched with each other to control the height of the driving arm 16.
In a specific embodiment, the outer surface of the first displacement rod 19 is threadedly engaged with the inner surface of the second displacement rod 20.
In another embodiment, the bottom of the first displacement rod 19 is provided with ears 21 as shown in fig. 4 a and b, which are t-t sectional views of a; fig. 4 c and d show that the inner surface of the second displacement rod 20 is provided with a vertical slide groove 22 and a plurality of ear grooves 23, and d is a cross-sectional view taken along the line T-T of fig. 4, the slide groove 22 is engaged with the outer contour of the ear 21 for moving up and down, and the ear 21 is rotated to be caught in the ear groove 23 when the first displacement rod 19 is moved to a proper position.
It is understood that the displacement rod 18 may further include a third displacement rod, at least one end of which is provided with an internal thread and a plurality of types of heights, the second displacement rod 20 is provided with an external thread matched with the internal thread of the third displacement rod, and the first displacement rod 19 is matched and fixed with the other end of the third displacement rod. When the third displacement rod is rotated, the first displacement rod 19 and the second displacement rod 20 are simultaneously screwed into or out of the third displacement rod, i.e. the lower and upper threads of the third displacement rod are rotated in opposite directions. The structure of the displacement rod is not limited to the above embodiment.
The connection between the displacement rod 18 and the driving arm 16 is converted and supported by the fixing portion 14, the end of the displacement rod 18 far away from the experiment table 24 is connected with the bottom of the fixing portion 14, the driving arm 16 penetrates into or out of the inside of the fixing portion 14 in a direction parallel to the experiment table 24, the top of the fixing portion 14 is provided with a third fastening member 15 above the driving arm 24, and the third fastening member 15 is used for fastening and fixing the driving arm 16. The third screw member 15 is provided with a handle for easy handling.
It will be appreciated that the third fastening member 15 may be arranged on a side surface (the side remote from the displacement rod 18) of the fixed portion 14 parallel to the driving arm 16. In other embodiments, the third tightening member 15 may also be a C-shaped tightening screw structure, which has high tightening force, and the third tightening member 15 contacts with the top and bottom surfaces of the fixing portion 14 and is screwed to the top or bottom surface; in other embodiments, the third fastening member 15 may be provided with a rod contacting with both side surfaces of the fixing portion 14 parallel to the driving arm 16, the middle of the rod passes through a rotating strip, the inner end of the rotating strip fixes the end of the driving arm 16, the outer portion of the rotating strip extends to the other side of the rod, and the driving arm 16 can be extended and contracted to perform horizontal displacement by rotating or pressing or stretching the rotating strip; in other embodiments, when the driving arm 16 is provided with a hole, the third fastening member 15 may be fixed by a pin connection, and the connection between the displacement rod 18 or the driving arm 16 and the fixing portion 14 may be absolutely fixed, i.e. the relative position is not changed. At least one fixed connection is arranged, the degree of freedom is reduced, the operation steps are simplified, manual adjustment is assisted by multiple persons, the operation can be optimized to be single-person independent operation, and the operation efficiency is improved.
The displacement rod 18 is fixed with the experiment table 24 through a base 26, the experiment table 24 is provided with a device groove 25, the displacement rod 18 is fixed on the base 26, the base 26 moves along the device groove 25 and is fixed by screwing a screw arranged side by side with the displacement rod 18.
In a specific embodiment of the invention, 2 clamping devices 2 are arranged, and 2 groups of clamping heads 4 are oppositely arranged to form four contacts which surround the periphery of the part to be injected, so that the fixing effect is good. The driving arm 16 is provided with 2 spherical universal joints, so that 360-degree free turnover transformation of the clamping head 4 can be realized; the device groove 25 on the experiment table 24 is provided with 2 parallel grooves, so that a plurality of clamping devices 2 can be conveniently placed at the same time for matching use, and the cross section of the device groove 25 is in a convex shape, so that the base 26 and devices on the base 26 can be conveniently clamped and supported.
Wherein:
the clamping part 3 is used for clamping or pulling apart a fixed part to be injected and is provided with a pair of clamping pieces, namely a first clamping piece 6 and a second clamping piece 7, the clamping head 4 of the first clamping piece 6 or the second clamping piece 7 faces the experiment table 24 and is bent (namely bent downwards), the first clamping piece 6 and the second clamping piece 7 are arranged in a mirror symmetry mode in the horizontal direction (the same direction as the plane of the experiment table 24), and the clamping heads 4 are mutually abutted. The first clamping piece 6 (the second clamping piece 7) comprises a tail end and a first middle end, the first middle end is connected with the clamping head 4, and the first middle end is located below a connecting line of the tail end and a fixed end of the clamping head 4. The first middle end is a three-fold line type. The clamping head 4 and the first middle end are integrally formed, and transverse stripes are arranged on the inner side surface, opposite to the clamping head 4. The tail end is provided with a first through hole 8, the first middle end is provided with a second through hole 9, the driving arm 16 penetrates through the first through holes 8 of the first clamping piece 6 and the second clamping piece 7 and penetrates out, and the end part penetrating out is provided with a first screwing piece 10. The second through holes 9 of the first clamping piece 6 and the second clamping piece 7 are penetrated and penetrated out by a fastening piece 11, a second fastening piece 13 is arranged at the penetrating end, an elastic element 12 is further arranged between the second through holes 9 of the first clamping piece 6 and the second clamping piece 7, the elastic element 12 is a spring, and the spring is sleeved on the fastening piece 11. The first tightening part 10 and the second tightening part 13 are in threaded fit with scale reading to control displacement, and the first tightening part 10, the second tightening part 13 and the spring jointly control the displacement between the clamping heads 4 and the clamping force.
The driving arm 16 is provided with 2 ball joints 17 for supporting the free movement of the grip part 3. One end of the driving arm 16 passes through the first through hole 8 to the outside, and the other end of the driving arm 16 is fixedly connected with the displacement rod 18. The part of the driving arm 16, which penetrates out of the first through hole 8, can be arranged to be a pin clamping or spiral fastening structure, so that the clamping part 3 can be directly assembled after being assembled, and the installation difficulty of the clamping part 3 is reduced.
The displacement rod 18 is used to control the vertical movement of the drive arm 16 above the laboratory table 24 and the horizontal movement itself relative to the laboratory table 24. The displacement rod 18 is perpendicular to the experiment table 24, the displacement rod 18 comprises a first displacement rod 19 and a second displacement rod 20, the top of the first displacement rod 19 is fixed at the bottom of the fixing part 14, the second displacement rod 20 is fixed on the top surface of a base 26 on the surface of the experiment table 24, and the first displacement rod 19 and the second displacement rod 20 are matched with each other to control the height of the driving arm 16. The displacement rod 18 further comprises a third displacement rod, at least one end of the third displacement rod is provided with an internal thread, multiple types are arranged at the height of the third displacement rod, the second displacement rod 20 is provided with an external thread matched with the internal thread of the third displacement rod, and the first displacement rod 19 is matched and fixed with the other end of the third displacement rod in a threaded manner.
The fixed part 14 is a rectangular block, the lower surface (i.e. the bottom surface) is fixedly connected with a displacement rod 18 (a first displacement rod 19), the side surface (parallel to the experiment table 24) is provided with a through hole for penetrating and extending and retracting the driving arm 16, the upper surface (i.e. the top surface) of the fixed part 14 is provided with a third fastening part 15 above the driving arm 24, and the third fastening part 15 is used for fastening and fixing the driving arm 16.
The base 26 is rectangular and comprises a first convex part and a second convex part, the width and the length of the first convex part are larger than those of the second convex part, the first convex part is aligned with the side of the second convex part, the first convex part is arranged on the experiment table 24, and the bottom surface of the first convex part is in contact with the experiment table 24; the second convex part is arranged in the device groove 25 of the experiment table 24, is in an inverted T shape and is provided with a flange, the flange is arranged close to the bottom, the height of the flange is smaller than the thickness of the second convex part, and the second convex part is matched with the convex shape of the device groove 25; the displacement rod 18 (second displacement rod 20) is fixedly arranged on the upper surface of the first convex part and is above the second convex part; a square groove is formed in the side wall of the first convex part region which is not overlapped with the second convex part, so that the internal structure state can be observed conveniently, a hole is formed in the top of the first convex part corresponding to the square groove, a screw is arranged, and the base can be fixed to be immobile by screwing the screw after the base position is adjusted.
It is to be understood that the first convex portion may be square, circular, or the like, and is not limited to the present embodiment; in other embodiments, the flange of the second convex portion may be one side, may be provided on both sides, or may be a flange formed by combining a plurality of flange columns on one side or both sides.
The use of the injection fixture 1 of the present invention comprises the steps of:
1) preparation and installation of the base 26 and the test bed 24;
2) preparation of the displacement rod 18, and installation with the base 26;
3) preparation of the driving arm 16 and installation on the fixing portion 14;
4) preparing and installing the clamping part 3 and performing preliminary debugging;
5) preparing and fixing experimental animals;
6) the position of the micro-adjusting device is adjusted up, down, left and right, and the clamping force of the clamping head controls the part to be injected to be positioned under the injector.
The injection fixing device 1 can be used for fixing experimental animals (such as mice and the like), particularly for injection of a spine or below the spine, the injection fixing device 1 can be clamped or pulled to enable a part to be injected to be exposed under an injector, and the injection fixing device is convenient to install and operate and high in efficiency.
Although the embodiments of the present invention have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides an injection fixing device for experimental animals in anesthesia state installs on the test bench, its characterized in that: including an at least clamping device, clamping device contains displacement pole, actuating arm and clamping part that connects gradually, the displacement pole is used for control the actuating arm is in the vertical migration of test bench top, the actuating arm is equipped with at least one universal joint and is used for supporting the free removal of clamping part, the clamping part includes first folder and second folder, first folder or the holding head orientation of second folder the test bench direction is crooked, the holding head is contradicted each other.
2. The injection fixture for intoxicated laboratory animals according to claim 1, wherein: the universal joint is in spherical connection.
3. The injection fixture for intoxicated laboratory animals according to claim 1, wherein: the clamping head is externally provided with a kit, and the kit is made of soft materials.
4. The injection fixture for intoxicated laboratory animals according to claim 1, wherein: the first clamping piece or the second clamping piece comprises a tail end and a first middle end, the first middle end is connected with the clamping head, and the first middle end is located below a connecting line of the tail end and a fixed end of the clamping head.
5. The injection fixture for intoxicated laboratory animals according to claim 1, wherein: the displacement pole is kept away from the tip of laboratory bench is connected with the bottom of fixed part, the actuating arm is on a parallel with the laboratory bench direction penetrates or wears out the inside of fixed part, the top of fixed part is in the top of actuating arm sets up the third and revolves the piece.
6. The injection fixture for intoxicated laboratory animals according to claim 5, wherein: the displacement pole includes first displacement pole and second displacement pole, first displacement pole top is fixed in the bottom of fixed part, the second displacement pole is fixed in base top surface on the experiment mesa, first displacement pole with the control of mutually supporting of second displacement pole the height of actuating arm.
7. The injection fixture for intoxicated laboratory animals according to claim 6, wherein: the outer surface of the first displacement rod is threadedly engaged with the inner surface of the second displacement rod.
8. The injection fixture for intoxicated laboratory animals according to claim 6, wherein: the bottom of first displacement pole is equipped with the ear, the internal surface of second displacement pole is equipped with vertically spout and a plurality of ear ditch, the spout with the profile cooperation of ear reciprocates the height-adjusting, works as first displacement pole removes when suitable position rotatory ear card goes into ear ditch internal fixation.
9. The injection fixture for intoxicated laboratory animals according to claim 2, wherein: the clamping device is provided with 2, and 2 groups of the clamping heads are arranged oppositely.
10. The injection fixture for intoxicated laboratory animals according to claim 9, wherein: the driving arm is provided with 2 ball joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602435.1A CN110584824A (en) | 2018-06-12 | 2018-06-12 | Injection fixing device for intoxication state experimental animals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602435.1A CN110584824A (en) | 2018-06-12 | 2018-06-12 | Injection fixing device for intoxication state experimental animals |
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| Publication Number | Publication Date |
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| CN110584824A true CN110584824A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810602435.1A Pending CN110584824A (en) | 2018-06-12 | 2018-06-12 | Injection fixing device for intoxication state experimental animals |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070090294A (en) * | 2006-03-02 | 2007-09-06 | 재단법인서울대학교산학협력재단 | Stereotaxic device for animal experimentation |
| CN102335049A (en) * | 2011-08-15 | 2012-02-01 | 向永川 | Experimental rat holder |
| CN203693832U (en) * | 2014-02-20 | 2014-07-09 | 中国人民解放军第三军医大学第二附属医院 | Movable animal experiment table |
| CN205924230U (en) * | 2016-05-10 | 2017-02-08 | 青海师范大学 | Experimental animal operating table |
| CN206183429U (en) * | 2016-08-17 | 2017-05-24 | 漯河医学高等专科学校 | Prop up rod -type medical experiment dissection table |
| CN108125727A (en) * | 2018-03-07 | 2018-06-08 | 沈向红 | A kind of multifunctional operating table of pet animal doctor |
| CN209172571U (en) * | 2018-06-12 | 2019-07-30 | 南通大学 | The fixed device of injection for anaesthetizing state experimental animal |
-
2018
- 2018-06-12 CN CN201810602435.1A patent/CN110584824A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070090294A (en) * | 2006-03-02 | 2007-09-06 | 재단법인서울대학교산학협력재단 | Stereotaxic device for animal experimentation |
| CN102335049A (en) * | 2011-08-15 | 2012-02-01 | 向永川 | Experimental rat holder |
| CN203693832U (en) * | 2014-02-20 | 2014-07-09 | 中国人民解放军第三军医大学第二附属医院 | Movable animal experiment table |
| CN205924230U (en) * | 2016-05-10 | 2017-02-08 | 青海师范大学 | Experimental animal operating table |
| CN206183429U (en) * | 2016-08-17 | 2017-05-24 | 漯河医学高等专科学校 | Prop up rod -type medical experiment dissection table |
| CN108125727A (en) * | 2018-03-07 | 2018-06-08 | 沈向红 | A kind of multifunctional operating table of pet animal doctor |
| CN209172571U (en) * | 2018-06-12 | 2019-07-30 | 南通大学 | The fixed device of injection for anaesthetizing state experimental animal |
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