CN221750939U - Gaseous anesthesia face guard of brain stereotactic appearance for laboratory mouse - Google Patents
Gaseous anesthesia face guard of brain stereotactic appearance for laboratory mouse Download PDFInfo
- Publication number
- CN221750939U CN221750939U CN202323143724.5U CN202323143724U CN221750939U CN 221750939 U CN221750939 U CN 221750939U CN 202323143724 U CN202323143724 U CN 202323143724U CN 221750939 U CN221750939 U CN 221750939U
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- China
- Prior art keywords
- brain stereotactic
- laboratory mouse
- fixed cover
- flat plate
- laboratory
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- 210000004556 brain Anatomy 0.000 title claims abstract description 25
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 16
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 16
- 210000003625 skull Anatomy 0.000 claims abstract description 7
- 230000003444 anaesthetic effect Effects 0.000 claims description 11
- 210000003128 head Anatomy 0.000 claims description 10
- 210000000537 nasal bone Anatomy 0.000 claims description 6
- 210000005252 bulbus oculi Anatomy 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 241000699666 Mus <mouse, genus> Species 0.000 abstract description 41
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 210000003140 lateral ventricle Anatomy 0.000 abstract description 8
- 241000699670 Mus sp. Species 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 210000005036 nerve Anatomy 0.000 description 6
- 210000001331 nose Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 206010052770 Coma states Diseases 0.000 description 1
- 239000003994 anesthetic gas Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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- Instructional Devices (AREA)
Abstract
The utility model discloses a gas anesthesia mask for a brain stereotaxic device for experimental mice, comprising a flat plate and a fixed cover. The upper surface of the front end of the flat plate is provided with a jaw groove, and the fixed cover is a semi conical shape adapted to the skull of the experimental mouse. The right side is connected to a ventilation pipe, and the left side is connected to an exhaust pipe. The upper surface of the flat plate is in contact with the lower surface of the fixed cover and connected by screws. The utility model enables experimental mice to be fixed to a brain stereotaxic device while wearing an anesthesia mask to complete lateral ventricle positioning and injection.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a gas anesthesia mask of a brain stereotactic instrument for an experimental mouse.
Background
The brain stereotactic instrument for the laboratory mouse is an important device for researching the fields of nerve anatomy, nerve physiology, nerve pharmacology, neurosurgery and the like, and is used for performing directional injection, stimulation, damage, potential guiding and other operations on the nerve structure of the laboratory mouse. At present, lateral ventricle injection is a common experimental operation used for verifying a brain nerve disease recovery experiment, and an experimental mouse is anesthetized before the experiment, so that the experimental mouse is in an anesthetized state and then is subjected to lateral ventricle injection. The liquid anesthesia is easy to generate the stress reaction of the laboratory mice, the anesthesia maintenance time is long, most of the laboratory mice are still in a coma state after the lateral ventricle injection is finished, the follow-up experimental observation is not facilitated, and the gas anesthesia can be quickly restored to a normal state for experimental observation.
When the brain stereotactic device for the laboratory mouse is used, a stereotactic device fixing frame is required to be installed firstly, the upper incisor of the laboratory mouse is hooked on a clamping tooth plate, an arc-shaped pressing rod is arranged at the upper end of a nose to press nasal bones, ear rods at two sides are inserted to enable the connecting line between two ears of the laboratory mouse to be in the same straight line with the ear rods, so that the skull of the laboratory mouse is fixed, the nose of the laboratory mouse is aligned, the front and back positions of the skull are horizontal, the head and the brain of the laboratory mouse are required to be exposed during the experiment, and the lateral ventricle is convenient to open a window for injection, and the open window length is about the eyeball of the central line of the skull of the laboratory mouse to the position of the auricle; the existing mask is generally a full-head mask and an oral-nasal mask, can be used when a laboratory mouse performs experiments on the neck, the limbs and the trunk parts, but is not suitable for the occasions of researching the nerve structure head fixation of the laboratory mouse and performing gas anesthesia. There is therefore a need for an anesthetic mask that accommodates the immobilization of a laboratory mouse by a laboratory mouse brain stereotactic apparatus.
Disclosure of utility model
The utility model provides a gas anesthetic mask of a brain stereotactic device for a laboratory mouse, which ensures that the laboratory mouse is fixed on the brain stereotactic device to finish lateral ventricle positioning and injection while wearing the anesthetic mask.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
The utility model provides a gaseous anesthesia face guard of brain stereotactic appearance for laboratory mouse, includes dull and stereotyped, fixed lid, and dull and stereotyped front end upper surface is equipped with the card tooth groove, and fixed lid is the semicircle cone with the adaptation of laboratory mouse skull, and the breather pipe is connected on the right side, and the blast pipe is connected in the left side, and dull and stereotyped upper surface is laminated with fixed lid lower surface, through screw connection.
Further, a flange is arranged downwards on the lower surface of the flat plate, and the flange corresponds to the clamping tooth groove.
Further, the flange is hook-shaped.
Further, the upper surface of the flat plate is provided with a groove, a threaded hole is formed in the groove, and a screw penetrates through the through hole in the fixed cover to be connected with the threaded hole.
Further, the grooves and the screws are two pairs and symmetrically distributed at the front end of the flat plate.
Further, the front end of the fixed cover is provided with a smooth conical head which is matched with the nasal tip of the experimental mouse, and the rear end of the fixed cover is provided with an arc-shaped hole which is matched with the nasal bone of the experimental mouse.
Further, the vent pipe is connected with a gas anesthesia device.
Further, the rear end of the fixed cover is positioned at the front side of the eyeball of the experimental mouse.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model can be used for fixing the head of the experimental mouse by using the brain stereotactic instrument while carrying out gas anesthesia on the experimental mouse, and the lateral ventricle positioning and injection are not affected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side cross-sectional view of the present utility model in use;
FIG. 2 is a top view of the present utility model in use;
in the figure: the device comprises a 1-flat plate, a 2-fixed cover, a 3-clamping tooth groove, a 4-laboratory mouse, a 5-vent pipe, a 6-vent pipe, 7-screws, 8-flanges, 9-smooth conical heads, 10-arc-shaped compression bars and 11-clamping tooth plates.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the embodiments of the present application, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the product of this application is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience of describing the present application and simplifying the description, and is not indicative or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
As shown in the figure, the gas anesthesia mask of the brain stereotactic apparatus for the laboratory mice comprises a flat plate 1 and a fixed cover 2, wherein the upper surface of the front end of the flat plate 1 is provided with a clamping tooth groove 3, the lower surface of the flat plate is provided with a hook-shaped flange 8 downwards, and the flange 8 corresponds to the clamping tooth groove 3. The fixed cover 2 is a semi-conical body matched with the skull of the experimental mouse 4, the front end is provided with a smooth conical head 9 matched with the nasal tip of the experimental mouse 4, the rear end is provided with an arc-shaped hole, the fixed cover is attached to the nasal bone of the experimental mouse 4, the right side is connected with the vent pipe 5, the left side is connected with the vent pipe 6, the vent pipe 5 is connected with a gas anesthesia device, and the vent hole 6 is used for exhausting the exhaled gas of the mouse, so that ventilation is facilitated.
The upper surface of the flat plate 1 is provided with a groove, a threaded hole is formed in the groove, a screw 7 penetrates through a through hole in the fixed cover 2 to be connected with the threaded hole, the upper surface of the flat plate 1 is attached to the lower surface of the fixed cover 2, and the flat plate is connected with the screw 7. In this embodiment, there are two pairs of grooves, screws 7, symmetrically distributed at the front end of the plate 1.
When the experimental mouse is used, firstly, the upper door teeth of the experimental mouse 4 are clamped into the clamping tooth grooves 3, the fixed cover 2 covers the head of the experimental mouse 4, the smooth conical head 9 at the front end covers the nose of the experimental mouse 4, the rear end is attached to the nasal bone of the experimental mouse 4, the fixed cover 2 and the flat plate 1 are connected by screwing the screw 7, then the flat plate 1 is hooked on the clamping tooth plate 11 of the brain stereotactic apparatus through the flange 8, and the arc-shaped compression bar 10 above the flat plate is adjusted to downwards prop against the upper surface of the rear end of the fixed cover 2, so that the rear end of the fixed cover 2 is tightly attached to the nasal bone of the experimental mouse 4; after the fixation is finished, anesthetic gas is introduced into the mask, and the operation can be performed after the experimental mouse 4 is completely anesthetized. In this embodiment, the whole anaesthetic mask is located in front of the eyeball of the experimental mouse 4 and just avoids the earstem, and simultaneously exposes the head brain of the experimental mouse 4 to the outside, so that the lateral ventricle can be conveniently injected.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. The utility model provides a brain stereotactic appearance gas anesthesia face guard for laboratory mouse which characterized in that: including dull and stereotyped (1), fixed lid (2), dull and stereotyped (1) front end upper surface is equipped with card tooth groove (3), and fixed lid (2) are half cone with experimental mouse (4) skull adaptation, and breather pipe (5) are connected on the right side, and blast pipe (6) are connected in the left side, and dull and stereotyped (1) upper surface is laminated with fixed lid (2) lower surface, is connected through screw (7).
2. The laboratory mouse brain stereotactic machine gas anesthetic mask of claim 1, wherein: the lower surface of the flat plate (1) is provided with a flange (8) downwards, and the flange (8) corresponds to the clamping groove (3).
3. The laboratory mouse brain stereotactic machine gas anesthetic mask according to claim 2, wherein: the flange (8) is hook-shaped.
4. The laboratory mouse brain stereotactic machine gas anesthetic mask of claim 1, wherein: the upper surface of the flat plate (1) is provided with a groove, a threaded hole is formed in the groove, and a screw (7) penetrates through a through hole in the fixed cover (2) to be connected with the threaded hole.
5. The laboratory mouse brain stereotactic machine gas anesthetic mask according to claim 4, wherein: the grooves and the screws (7) are two pairs and are symmetrically distributed at the front end of the flat plate (1).
6. The laboratory mouse brain stereotactic machine gas anesthetic mask of claim 1, wherein: the front end of the fixed cover (2) is provided with a smooth conical head (9) which is anastomotic with the nasal tip of the experimental mouse (4), and the rear end of the fixed cover is provided with an arc-shaped hole which is jointed with the nasal bone of the experimental mouse (4).
7. The laboratory mouse brain stereotactic machine gas anesthetic mask of claim 1, wherein: the breather pipe (5) is connected with gas anesthesia equipment.
8. The laboratory mouse brain stereotactic machine gas anesthetic mask of claim 1, wherein: the rear end of the fixed cover (2) is positioned at the front side of the eyeball of the experimental mouse (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323143724.5U CN221750939U (en) | 2023-11-21 | 2023-11-21 | Gaseous anesthesia face guard of brain stereotactic appearance for laboratory mouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323143724.5U CN221750939U (en) | 2023-11-21 | 2023-11-21 | Gaseous anesthesia face guard of brain stereotactic appearance for laboratory mouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221750939U true CN221750939U (en) | 2024-09-24 |
Family
ID=92786375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323143724.5U Active CN221750939U (en) | 2023-11-21 | 2023-11-21 | Gaseous anesthesia face guard of brain stereotactic appearance for laboratory mouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221750939U (en) |
-
2023
- 2023-11-21 CN CN202323143724.5U patent/CN221750939U/en active Active
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