CN208371790U - A kind of fixed experimental rat bed of rat head for magnetic resonance - Google Patents
A kind of fixed experimental rat bed of rat head for magnetic resonance Download PDFInfo
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- CN208371790U CN208371790U CN201721385686.6U CN201721385686U CN208371790U CN 208371790 U CN208371790 U CN 208371790U CN 201721385686 U CN201721385686 U CN 201721385686U CN 208371790 U CN208371790 U CN 208371790U
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Abstract
The utility model discloses a kind of experimental rat beds that the rat head for magnetic resonance is fixed, including head fixing groove body, head fixing groove body one end is connect with fixing seat, the head fixing groove body other end is connect with the fixed groove body of body, the two sides of head fixing groove body are provided with ear's fixing piece, are provided with respirator in head fixing groove body.The special ear rod aperture of the utility model and the design of ear pole socket, compared to other structures, can preferably fix rat head.
Description
Technical field
The utility model relates to magnetic resonance imaging rat experimental provision fields, and in particular to a kind of rat for magnetic resonance
The fixed experimental rat bed in head, applied to the fixation in the experiment of magnetic resonance imaging rat to rat head, can in diameter 3cm and
It is used in the magnetic resonance imaging body coil of other different pore size sizes.
Background technique
Magnetic resonance imaging is the indispensable important Imaging Method of current progress life science, is to carry out clinic to examine
Disconnected and brain structure/functional study important technical.Whether it is moved in clinical human body magnetic resonance examination or basic research
Object magnetic resonance detection comes to ensure that experiment goes on smoothly and obtain accurate clearly scan image from the angle of test object
It says, firstly, it is necessary to which it is motionless to guarantee that detected object is remain stationary in entire scanning process, otherwise it is pseudo- to will appear movement for image
Shadow influences the clarity and accuracy of result；Secondly, test object including fixed bed must without any metal component,
Otherwise it also will appear artifact, more seriously can all cause extensive damage to test object and instrument itself；Finally, fixed bed is not
Containing water proton, otherwise interference can be generated to the signal of imaging object, be distorted collected original signal.In zoopery process
In, it is difficult that animal is allowed independently to remain stationary state, when being handled with anesthesia, if anesthesia level is shallower, animal can go out once in a while
Now slight movement can cause larger inhibition to animal brain function activity, influence brain function if anesthesia level is deeper by a small margin
The result of research.Therefore, current animal MRI investigation requires to be aided with specific animal fixing device to meet reality
Test demand.
Utility model content
The purpose of the utility model is to overcome prior art defect, a kind of rat head for magnetic resonance is provided and is fixed
Experimental rat bed.By well-designed ear pole socket and ear rod aperture, the head of rat can be preferably fixed.It can be in diameter 3cm
And used in the magnetic resonance imaging body coil of other different pore size sizes and cheap, exquisite in workmanship, facilitate rat brain structure/
The further investigation of functional magnetic resonance imaging.
The utility model is achieved through the following technical solutions:
A kind of fixed experimental rat bed of rat head for magnetic resonance, including head fixing groove body, head fixing groove
Body one end is connect with fixing seat, and the head fixing groove body other end is connect with the fixed groove body of body, and the two sides of head fixing groove body are set
It is equipped with ear's fixing piece, is provided with respirator in head fixing groove body.
It further include adjusting rod, adjusting rod one end is connect through fixing seat with respirator.
It further include tooth bar, tooth bar one end sequentially passes through fixing seat, respirator and is provided with tooth hook.
Ear's fixing piece as described above includes ear pole socket, and ear rod aperture is provided on ear pole socket and vertical with ear rod aperture is connected
Logical screw hole, ear bar one end pass through ear rod aperture and extend in head fixing groove body.
Further include the bracket that the fixed groove body bottom of body is set, arc strip is provided on bracket, the body is solid
Determine groove body bottom surface and offer arc groove, arc strip is fastened in arc groove.
Commercial magnetic resonance imaging experimental rat bed is for magnet aperture and experimental rat body coil aperture ruler at present
It is very little to match, it is expensive.And the mating commercial rat beds of the small-bore diameter 3cm body coil are used for, volume is larger, suitable for energy
Benefit is entered the small-bore diameter 3cm region and is designed using earless bar, so that it is fixed to rat head inadequate in magnetic resonance scan sequences,
Motion artifacts are easily generated, original signal is produced and is interfered significantly with, especially the experimental result of magnetic-field-sensitive are generated larger
Influence so that correlative study can not be successfully progress.And the small-bore 3cm body coil can obtain high s/n ratio, high evenness
Magnetic resonance image has extensive application in terms of the brain function of rat and structural research.In order to preferably apply the coil, and obtain
The rat magnetic resonance image of high quality devises exquisite in workmanship, cheap, easy to operate, the stronger rat of universality thus
Bed.Rat head can be fixedly secured by the rat beds, allow the small-bore diameter 3cm body coil to be set in rat head, together
When using bracket rat bed height is adjusted so that rat is located at level, can allow various surface coils and body coil and use.
The utility model compared with the prior art, has the advantage that
1, special ear rod aperture and the design of ear pole socket, can be firmly fixed rat head.Not only meet small in diameter 3cm
It uses, and is also preferably promoted as the pervasive mating big of the small-bore magnetic resonance imager diameter 3cm body coil in the body coil of aperture
Mouse bed.
2, material therefor is that polytetrafluoroethylene (PTFE) is nonmagnetic, and surface is smooth, is free of water proton, having no irritating odor will not be to magnetic
Resonance signal generates interference and will not generate any pessimal stimulation to test rat.
3, cheap, exquisite in workmanship, easy to operate, universality is strong.The utility model bracket be adjusted rat bed height with
Suitable for the magnetic resonance imaging body coil of different pore size size, meet rat brain MRI scan condition.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure: 1- respirator；2- adjusting rod；3- head fixing groove body；4- tooth bar；5- ear pole socket；6- ear rod aperture；7- screw
Hole；8- body fixes groove body；9- arc groove；10- bracket；11- tooth hook；12- fixing seat；13- arc strip.
Specific embodiment
The technical solution of the utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, the experimental rat bed that a kind of rat head for magnetic resonance is fixed, including head fixing groove body 3,
3 one end of head fixing groove body is connect with fixing seat 12, and 3 other end of head fixing groove body is connect with the fixed groove body 8 of body, and head is solid
The two sides for determining groove body 3 are provided with ear's fixing piece, and respirator 1 is provided in head fixing groove body 3.Further include adjusting rod 2, adjusts
2 one end of bar is connect through fixing seat 12 with respirator 1.It further include tooth bar 4,4 one end of tooth bar sequentially passes through fixing seat 12, respirator
1 and it is provided with tooth hook 11.Ear's fixing piece includes ear pole socket 5, and ear rod aperture 6 and vertical with ear rod aperture 6 is provided on ear pole socket 5
The screw hole 7 of connection, ear bar one end pass through ear rod aperture 6 and extend in head fixing groove body 3.It further include being arranged in body fixing groove
The bracket 10 of 8 bottom of body, arc strip 13 is provided on bracket 10, and fixed 8 bottom surface of groove body of the body offers arc groove
9, arc strip 13 is fastened in arc groove 9.
Respirator 1 is used for gas anesthesia, and adjusting rod 2 is for adjusting position of the respirator 1 in head fixing groove body 3.Spiral shell
Wire hole 7 can screw in matched screw and ear bar is fixed, and rat head can be accommodated between ear pole socket 5.Bracket 10 is used to adjust
Whole height.
Respirator 1, adjusting rod 2, head fixing groove body 3, tooth bar 4, ear pole socket 5, ear rod aperture 6, screw hole 7, body are fixed
Groove body 8, arc groove 9, bracket 10, tooth hook 11, fixing seat 12, arc strip 13 and ear bar are polytetrafluoroethylene (PTFE) material.
The use process of the utility model: will be placed in rat beds after rat anesthesia, its head and body is allowed to distinguish position
In head fixing groove body 3 and the fixed groove body 8 of body.Tooth bar 4 penetrates from respirator 1 and catches on the upper front tooth of rat, adjusts tooth
The head of rat is moved on to the position that two ears are located between two ear pole sockets 5 by bar 4 and adjusting rod 2, and fixes respirator 1 and tooth
Bar 4.Ear bar penetrates from the otica for resisting two ear of rat from ear rod aperture 6, and confirmation rat head not will shake left and right the tight ear bar of back spin
5 top screw fixed ear bars of seat, so far rat head is fixed completes.Rat body is fixed on body with adhesive tape and fixes groove body 8,
According to the aperture of laboratory apparatus body coil, select the bracket 10 of suitable dimension that arc strip 13 is fastened in arc groove 9, finally
Rat beds and the rat head being fixed are goed deep into magnetic resonance coil, and start MRI scan experiment.Greatly
Mouse bed is after being put into magnetic resonance imager magnet, and scanned position can be located at magnet center position, to obtain preferable magnetic resonance figure
As signal-to-noise ratio.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. a kind of fixed experimental rat bed of rat head for magnetic resonance, including head fixing groove body (3), feature exists
In head fixing groove body (3) one end is connect with fixing seat (12), and head fixing groove body (3) other end and body are fixed groove body (8)
Connection, the two sides of head fixing groove body (3) are provided with ear's fixing piece, are provided with respirator (1) in head fixing groove body (3).
2. a kind of fixed experimental rat bed of rat head for magnetic resonance according to claim 1, which is characterized in that
It further include adjusting rod (2), adjusting rod (2) one end is connect through fixing seat (12) with respirator (1).
3. a kind of fixed experimental rat bed of rat head for magnetic resonance according to claim 2, which is characterized in that
It further include tooth bar (4), tooth bar (4) one end sequentially passes through fixing seat (12), respirator (1) and is provided with tooth hook (11).
4. a kind of fixed experimental rat bed of rat head for magnetic resonance according to claim 1, which is characterized in that
Ear's fixing piece includes ear pole socket (5), and ear rod aperture (6) is provided on ear pole socket (5) and vertical with ear rod aperture (6) is connected
Logical screw hole (7), ear bar one end pass through ear rod aperture (6) and extend in head fixing groove body (3).
5. a kind of fixed experimental rat bed of rat head for magnetic resonance according to claim 1, which is characterized in that
Further include bracket (10) of the setting in fixed groove body (8) bottom of body, is provided with arc strip (13) on bracket (10), it is described
Fixed groove body (8) bottom surface of body offers arc groove (9), and arc strip (13) is fastened in arc groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721385686.6U CN208371790U (en) | 2017-10-25 | 2017-10-25 | A kind of fixed experimental rat bed of rat head for magnetic resonance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721385686.6U CN208371790U (en) | 2017-10-25 | 2017-10-25 | A kind of fixed experimental rat bed of rat head for magnetic resonance |
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| CN208371790U true CN208371790U (en) | 2019-01-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111616710A (en) * | 2020-06-09 | 2020-09-04 | 中科绿谷（深圳）医疗科技有限公司 | Experimental stimulation device and stimulation experimental equipment with same |
| CN112426145A (en) * | 2020-11-23 | 2021-03-02 | 中国科学院精密测量科学与技术创新研究院 | Little animal biological safety microcirculation device suitable for magnetic resonance imager |
| CN113100744A (en) * | 2021-03-29 | 2021-07-13 | 华中科技大学同济医学院附属协和医院 | Positioning device for animal nuclear magnetic resonance imaging |
| CN114098699A (en) * | 2021-11-05 | 2022-03-01 | 中国科学院精密测量科学与技术创新研究院 | Experiment bed for magnetic resonance perfusion imaging of small animals |
-
2017
- 2017-10-25 CN CN201721385686.6U patent/CN208371790U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111616710A (en) * | 2020-06-09 | 2020-09-04 | 中科绿谷（深圳）医疗科技有限公司 | Experimental stimulation device and stimulation experimental equipment with same |
| CN112426145A (en) * | 2020-11-23 | 2021-03-02 | 中国科学院精密测量科学与技术创新研究院 | Little animal biological safety microcirculation device suitable for magnetic resonance imager |
| CN113100744A (en) * | 2021-03-29 | 2021-07-13 | 华中科技大学同济医学院附属协和医院 | Positioning device for animal nuclear magnetic resonance imaging |
| CN114098699A (en) * | 2021-11-05 | 2022-03-01 | 中国科学院精密测量科学与技术创新研究院 | Experiment bed for magnetic resonance perfusion imaging of small animals |
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