CN211985787U - Head fixing device suitable for rat to carry out magnetic resonance and CT examination - Google Patents
Head fixing device suitable for rat to carry out magnetic resonance and CT examination Download PDFInfo
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- CN211985787U CN211985787U CN201922350050.3U CN201922350050U CN211985787U CN 211985787 U CN211985787 U CN 211985787U CN 201922350050 U CN201922350050 U CN 201922350050U CN 211985787 U CN211985787 U CN 211985787U
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Abstract
The utility model relates to the field of medical experimental instruments, more specifically the head fixing device suitable for rats to carry out magnetic resonance and CT examination, which comprises a base, two side supports, a screwing end, a fixing seat, a fixing rod, a tooth clamping plate, a head pressing plate, a slider, a slide bar, a set screw, a screw rod, a fixing nut, an adjusting plate, a cushion pad, a head cover, an air inlet pipe, a flexible glue panel, a side panel and a foot cover, wherein the head cover is sleeved on the tooth clamping plate and the head pressing plate and is of an arc structure, the two end surfaces of the head cover are respectively stuck with the flexible glue panel, and the two side surfaces of the head cover are respectively stuck with the side; the material of headgear be transparent organic glass, the headgear still be equipped with the intake pipe. The rat head fixing device which meets the experimental requirements and can enable the rat to be in an anesthesia state at all times during magnetic resonance and CT examination can be provided.
Description
Technical Field
The utility model relates to a medical science experiment apparatus field, more specifically the head fixing device that is fit for the rat and carries out magnetic resonance and CT inspection that says so.
Background
When rats are subjected to magnetic resonance and CT examination, the head needs to be fixed to avoid head movement, and firstly, the position is consistent during each examination so as to facilitate the contrast of each examination; and secondly, the artifact generated when the image is acquired due to motion is prevented from influencing the image quality. Dental and external auditory canal fixtures are commonly used. With the welfare protection of animals and more stable anesthesia effect, the abdominal cavity injection anesthesia used originally is gradually changed into mask inhalation anesthesia. The mask requires the animal's face to be wrapped, which makes the previous devices that are fixed by teeth and external ear holes unsuitable for this situation, making the animal unfixed for examination. Therefore, the body positions can not be ensured to be consistent during each examination, and the comparability of each mouse and each examined image is lost. Meanwhile, the common mask has a small contact surface and has the risk of overflowing anesthetic. Therefore, the head fixing device is designed to be suitable for the rat to carry out magnetic resonance and CT examination.
Disclosure of Invention
The utility model discloses the main technical problem who solves provides a head fixing device who is fit for the rat and carries out magnetic resonance and CT inspection, can provide one kind and satisfy the experiment requirement can make the rat be in the rat head fixing device of anesthesia state when magnetic resonance and CT inspection always.
In order to solve the technical problem, the utility model relates to a medical science experiment apparatus field, the more specifically head fixing device that is fit for the rat and carries out magnetic resonance and CT inspection that says so, including base, both sides support, the end of screwing, fixing base, dead lever, thread jamming board, pressure head board, slider, slide bar, holding screw, screw rod, fixation nut, regulating plate, blotter, headgear, intake pipe, flexible glue panel, side board and podotheca, can provide one kind and satisfy the experiment requirement can make the rat head fixing device that the rat is in anesthesia state when magnetic resonance and CT inspection always.
The head sleeve is sleeved on the tooth clamping plate and the head pressing plate and is of an arc-shaped structure, two end faces of the head sleeve are respectively adhered with a soft rubber panel, and two side faces of the head sleeve are respectively adhered with a side panel; the material of headgear be transparent organic glass, the headgear still be equipped with the intake pipe.
As the further optimization of this technical scheme, the utility model relates to a head fixing device that is fit for the rat to carry out magnetic resonance and CT inspection the material of flexible glue panel and side board be soft silica gel, and the intermediate part of flexible glue panel and side board is equipped with a aperture.
As the further optimization of this technical scheme, the utility model relates to a be fit for the rat and carry out magnetic resonance and CT inspection's head fixing device the side aperture support on board be less than the diameter of fixed rod.
As a further optimization of the technical proposal, the utility model relates to a head fixing device suitable for rat to carry out magnetic resonance and CT examination, the shape of the head cover is cylindrical, conical or spherical.
As a further optimization of the technical proposal, the utility model relates to a head fixing device suitable for rats to carry out magnetic resonance and CT examination, the two side supports and the foot sleeves are symmetrically distributed at the two ends of the head sleeve.
The utility model relates to a head fixing device that is fit for the rat and carries out magnetic resonance and CT inspection's beneficial effect does:
the utility model relates to a be fit for the rat and carry out head fixing device of magnetic resonance and CT inspection can provide one kind and satisfy the experiment requirement can make the rat be in the rat head fixing device of anesthesia state when magnetic resonance and CT inspection always.
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 the head fixing device of the present invention suitable for rat to perform magnetic resonance and CT examination.
Fig. 2 is a schematic axial side structure view of the head fixing device of the present invention suitable for rat to perform magnetic resonance and CT examination.
Fig. 3 is a schematic side view of the head fixing device of the present invention suitable for rat to perform magnetic resonance and CT examination.
In the figure: a base 1; two side supports 2; a screwing end 3; a fixed seat 4; a fixing rod 5; a tooth clamping plate 6; a head pressing plate 7; a slide block 8; a slide bar 9; a set screw 10; a screw 11; a fixing nut 12; an adjusting plate 13; a cushion pad 14; a head cover 15; an intake pipe 16; a soft glue panel 17; side panels 18; a foot cover 19.
Detailed Description
The present embodiment is described below with reference to fig. 1 to 3, and the present invention relates to the field of medical experimental apparatus, and more specifically to a head fixing device suitable for a rat to perform magnetic resonance and CT examination, which includes a base 1, two side supports 2, a screwing end 3, a fixing base 4, a fixing rod 5, a jaw plate 6, a head pressing plate 7, a slider 8, a sliding rod 9, a set screw 10, a screw rod 11, a fixing nut 12, an adjusting plate 13, a cushion pad 14, a head cover 15, an air inlet pipe 16, a soft rubber panel 17, a side panel 18 and a foot cover 19, and can provide a rat head fixing device capable of always making a rat in an anesthetic state during magnetic resonance and CT examination, which meets experimental requirements.
The head cover 15 is sleeved on the tooth clamping plate 6 and the head pressing plate 7, the head cover 15 is of an arc-shaped structure, two end faces of the head cover 15 are respectively adhered with a soft rubber panel 17, and two side faces of the head cover 15 are respectively adhered with side panels 18; the material of the head cover 15 is transparent organic glass, and the head cover 15 is also provided with an air inlet pipe 16. The aperture support on the side board 18 be less than the diameter of dead lever 5 for form airtight space in the headgear 15, avoid anesthetic gas to reveal, the material of flexible glue panel 17 and side board 18 be soft silica gel, and the intermediate part of flexible glue panel 17 and side board 18 is equipped with an aperture, the aperture size on the flexible glue panel 17 is in order to make things convenient for the rat head to pass as the standard.
The head cover 15 is cylindrical, conical or spherical, and is convenient for fixing the head of a rat.
The two side supports 2 and the foot sleeves 19 are symmetrically distributed at two ends of the head sleeve 15, so that a rat can be conveniently fixed.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a be fit for rat and carry out head fixing device of magnetic resonance and CT inspection, includes base (1), both sides support (2), end (3) of screwing, fixing base (4), dead lever (5), calorie dental lamina (6), pressure head board (7), slider (8), slide bar (9), holding screw (10), screw rod (11), fixation nut (12), regulating plate (13), blotter (14), headgear (15), intake pipe (16), flexible glue panel (17), side board (18) and podotheca (19), its characterized in that: the head cover (15) is sleeved on the tooth clamping plate (6) and the head pressing plate (7), the head cover (15) is of an arc-shaped structure, two end faces of the head cover (15) are respectively adhered with a soft rubber panel (17), and two side faces of the head cover (15) are respectively adhered with a side panel (18); the material of headgear (15) be transparent organic glass, headgear (15) still be equipped with intake pipe (16).
2. A head fixation device as claimed in claim 1 adapted for use in magnetic resonance and CT examinations on rats, wherein: the soft rubber panel (17) and the side panel (18) are made of soft silica gel, and a small hole is formed in the middle of the soft rubber panel (17) and the side panel (18).
3. A head fixation device according to claim 2 adapted for use in magnetic resonance and CT examinations on rats, wherein: the small hole bracket on the side panel (18) is smaller than the diameter of the fixing rod (5).
4. A head fixation device as claimed in claim 1 adapted for use in magnetic resonance and CT examinations on rats, wherein: the head cover (15) is cylindrical, conical or spherical.
5. A head fixation device as claimed in claim 1 adapted for use in magnetic resonance and CT examinations on rats, wherein: the two side supports (2) and the foot sleeves (19) are symmetrically distributed at two ends of the head cover (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922350050.3U CN211985787U (en) | 2019-12-24 | 2019-12-24 | Head fixing device suitable for rat to carry out magnetic resonance and CT examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922350050.3U CN211985787U (en) | 2019-12-24 | 2019-12-24 | Head fixing device suitable for rat to carry out magnetic resonance and CT examination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211985787U true CN211985787U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922350050.3U Active CN211985787U (en) | 2019-12-24 | 2019-12-24 | Head fixing device suitable for rat to carry out magnetic resonance and CT examination |
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| CN (1) | CN211985787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115399749A (en) * | 2022-07-25 | 2022-11-29 | 中国人民解放军总医院第一医学中心 | Fixing device and magnetic resonance inspection device of rodent experimental animals |
| CN115607324A (en) * | 2022-12-16 | 2023-01-17 | 北京沂华生物科技有限公司 | Experimental animal brain stereo injection device and brain nucleus positioning method |
-
2019
- 2019-12-24 CN CN201922350050.3U patent/CN211985787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115399749A (en) * | 2022-07-25 | 2022-11-29 | 中国人民解放军总医院第一医学中心 | Fixing device and magnetic resonance inspection device of rodent experimental animals |
| CN115607324A (en) * | 2022-12-16 | 2023-01-17 | 北京沂华生物科技有限公司 | Experimental animal brain stereo injection device and brain nucleus positioning method |
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