Magnetic resonance coil device facilitating installation of small animal experiment body

Abstract

The utility model discloses a magnetic resonance coil device convenient to install a small animal experiment body, which comprises a base and an animal placing plate, an imaging shell is arranged on the base, an imaging channel is arranged in the imaging shell, a sliding chute is arranged on the base, and the sliding chute is communicated with the imaging channel; the animal placement plate is detachably connected with the base, an animal placement position is arranged at one end of the animal placement plate, the animal placement plate is in sliding fit with the sliding groove, the animal placement position can extend into the imaging channel, and an animal fixing structure is arranged on the animal placement position; the end, away from the animal placement position, of the animal placement plate is slidably clamped to the base, and a locking structure is arranged on the animal placement plate and detachably connected with the base. According to the utility model, the animal placement plate is detachably arranged on the base, so that the installation difficulty of small animals can be reduced, the problem that the installation of small animal experiment bodies is time-consuming and labor-consuming due to factors such as narrow sites and inconvenience in operation is solved, and the experiment efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a magnetic resonance imaging system technical field, concretely relates to a magnetic resonance coil device convenient to install small animal experimental body. BACKGROUND

[0002] The magnetic resonance imaging system is a kind of imaging device for medical examination made by using magnetic resonance phenomenon.When scanning different parts of human body by using the magnetic resonance imaging system, the best image effect can be obtained by using special coil, for example, the coil for scanning head is called head coil, the coil for scanning knee joint is called knee joint coil, and the coil for scanning eye is called eye coil or eye coil.Using special coil for magnetic resonance scanning can greatly improve the performance of clinical image.

[0003] In addition to human body parts, some coils are specially designed for imaging some animals, and these coils can be called animal coils. Biomedical research on animals can avoid the risks brought by experiments on human body, and can strictly control animal experimental conditions and reduce the influence of individual differences. Magnetic resonance imaging is one of the indispensable tools in animal model research. Compared with large animals, small animals have the advantages of lower cost, easier breeding and management, and easier placement during magnetic resonance imaging. Therefore, in the current magnetic resonance animal imaging, the application of small animals is becoming more and more widely, and it has also accounted for a high proportion, for example, mice, rabbits, etc.

[0004] The animal placement plate in the existing small animal coil device cannot be detached, so when magnetic resonance imaging of small animals is needed, the small animals can only be taken to the coil device and then bound and fixed on the animal placement plate for magnetic resonance imaging. Influenced by factors such as small space and inconvenient operation, it is time-consuming and laborious to take small animals to the coil device for binding, and sometimes small animals may escape, affecting the progress of the experiment. UTILITY MODEL CONTENT

[0005] In order to solve the above-mentioned problems existing in the prior art, the utility model provides a kind of magnetic resonance coil device of small animal experimental body for facilitating installation, including base and animal placement plate, the base is equipped with imaging shell, the coil unit is equipped in the imaging shell, imaging passageway is equipped at the position corresponding with the coil unit in the imaging shell, the base is equipped with sliding slot, and the sliding slot is communicated with the imaging passageway;The animal placement plate is detachably connected with the base, one end of the animal placement plate is equipped with animal placement site, the animal placement plate is slidably matched with the sliding slot, and the animal placement site can be extended into the imaging passageway, and the animal placement site is equipped with animal fixing structure;The end of the animal placement plate away from the animal placement site is slidably connected with the base, and the animal placement plate is equipped with locking structure, and the locking structure is detachably connected with the base.

[0006] As a further improvement of the utility model, the animal fixing structure includes a fixing belt, the animal placement plate is provided with a plurality of mounting holes, and the fixing belt is detachably connected with the mounting holes.

[0007] As a further improvement of the utility model, the fixing belt is an elastic bandage or a magic tape.

[0008] As a further improvement of the utility model, the base is provided with a clamping protrusion on each side, the animal placement plate is provided with a clamping groove at a position corresponding to the clamping protrusion, and the clamping groove is slidably connected with the clamping protrusion.

[0009] As a further improvement of the utility model, the locking structure includes a fixing bolt, the fixing bolt is threadedly connected with the animal placement plate, and the fixing bolt can abut against the end face of the base.

[0010] As a further improvement of the utility model, the number of fixing bolts is two, and the two fixing bolts are symmetrically distributed on the left and right sides of the animal placement site.

[0011] As a further improvement of the utility model, the upper end face of the fixing bolt is provided with a T-shaped slot or a cross-shaped slot.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The animal placement plate is detachably arranged on the base, which can reduce the installation difficulty of small animals, solve the problem of time-consuming and laborious installation of small animal experimental bodies caused by narrow space and inconvenient operation, reduce the possibility of small animal escape, and further improve the experimental efficiency.

[0014] In the specific operation process, the animal placing plate can be taken out from the base, and then the small animal is placed on the animal placing position on the experimental table or other spacious place, and the small animal is fixed through the animal fixing structure; then the animal placing plate is placed on the base again, the animal placing plate is pushed to slide in the sliding groove until the animal placing position extends into the imaging channel, and the animal placing plate and the base are locked through the locking structure, and then the small animal is subjected to magnetic resonance imaging through the coil unit. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the scheme of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0016] Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0017] Fig. 2 is a schematic diagram of the structure of the base in the embodiment of the present application;

[0018] Fig. 3 is a schematic diagram of the structure of the animal placing plate in the embodiment of the present application. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application; the description and the drawings are to be regarded as illustrative in nature and are not intended to limit the present application; the terms "comprising," "comprise," and "including," as well as any variations thereof, are intended to cover a non-exclusive inclusion; the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

[0020] In the present application, the phrase "embodiment" means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present application can be combined with other embodiments.

[0021] In order to make the technical personnel in the technical field better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below with reference to the drawings.

[0022] As shown in Figs. 1-3 A kind of magnetic resonance coil device facilitating installation small animal experimental body, including base 1 and animal placement plate 2, base 1 is equipped with imaging shell 3, imaging shell 3 is equipped with multiple coil units, coil unit is connected with the control center of magnetic resonance imaging system by circuit board, and the image information of small animal experimental body is acquired by coil unit, and image information is fed back to control center by circuit board, to realize the purpose of the experimental body small animal magnetic resonance imaging. Imaging shell 3 is equipped with imaging channel 4 at the corresponding position of coil unit, and base 1 is equipped with sliding slot 5, and sliding slot 5 is communicated with imaging channel 4.

[0023] Animal placement plate 2 is detachably connected with base 1, and one end of animal placement plate 2 is provided with animal placement site 21, animal placement plate 2 is slidably connected with sliding slot 5, and animal placement site 21 can extend into imaging channel 4, and animal placement site 21 is provided with animal fixing structure. The end of animal placement plate 2 away from animal placement site 21 is slidably connected with base 1, and animal placement plate 2 is provided with locking structure, and the locking structure is detachably connected with base 1. When carrying out experiment, animal placement plate 2 can be taken out from base 1, and then it is taken to experimental table or other spacious place, and then small animal is placed on animal placement site 21, and small animal is fixed by animal fixing structure. Then animal placement plate 2 is placed in sliding slot 5 on base 1 again, animal placement plate 2 is slid in sliding slot 5 until small animal on animal placement site 21 extends into imaging channel 4, and then animal placement plate 2 is locked with base 1 by locking structure, and then small animal is subjected to magnetic resonance imaging by coil unit.

[0024] The magnetic resonance coil device facilitating installation small animal experimental body is detachably arranged on base 1, which can reduce the installation difficulty of small animal, solve the problem of time-consuming and laborious installation of small animal experimental body caused by narrow space and inconvenient operation, reduce the possibility of small animal escaping, and further improve the experimental efficiency.

[0025] Animal fixing structure includes fixing belt (not shown in the figure), and animal placement plate 2 is provided with multiple mounting holes 22, and fixing belt is detachably connected with mounting hole 22. In the specific operation process, after small animal is placed on animal placement site 21, small animal can be bound and fixed on animal placement plate 2 by fixing belt, to avoid the escape of small animal during experiment. In the specific implementation process, the fixing belt can be an elastic bandage, a magic tape or other non-metal devices capable of fixing small animals.

[0026] The base 1 is respectively provided with a clamping protrusion 11 on both sides, and the animal placing plate 2 is respectively provided with a clamping groove 23 at the corresponding position of the clamping protrusion 11, and the clamping groove 23 and the clamping protrusion 11 are in sliding clamping. During the installation or disassembly of the animal placing plate 2, the sliding direction of the animal placing plate 2 can be limited and guided through the cooperation of the clamping protrusion 11 and the clamping groove 23, so that the animal placing plate 2 can smoothly send the small animals into the imaging channel 4; on the other hand, the cooperation of the clamping protrusion 11 and the clamping groove 23 also enables the base 1 and the animal placing plate 2 to be limited and fixed, thereby improving the stability of the structure.

[0027] The locking structure includes a fixing bolt 6, which is in threaded connection with the animal placing plate 2 and can abut against the end face of the base 1. Under normal circumstances, the animal placing position 21 on the animal placing plate 2 extends into the imaging channel 4; at this time, the clamping protrusion 11 and the clamping groove 23 are clamped, the fixing bolt 6 is in threaded connection with the animal placing plate 2, and the fixing bolt 6 abuts against the end face of the base 1, so as to connect and fix the animal placing plate 2 and the base 1 through the fixing bolt 6; when it is necessary to install a small animal experimental body, the fixing bolt 6 can be loosened to separate it from the base 1, at which time the animal placing plate 2 can be pulled to slide along the clamping protrusion 11, so as to remove the animal placing plate 2 from the base 1. After the small animal is installed on the animal placing plate 2 and the animal placing plate 2 is pushed into the imaging channel 4, the fixing bolt 6 is tightened again to abut against the end face of the base 1 for fixation.

[0028] In the embodiment, the number of the fixing bolt 6 is two, and the two fixing bolts 6 are symmetrically distributed on the left and right sides of the animal placing position 21; by arranging two fixing bolts 6, the animal placing plate 2 and the base 1 are connected and fixed at two positions, thereby improving the stability of the structure. In other embodiments, the fixing bolt 6 can also be any other number.

[0029] In order to facilitate operation, a slot 61 is arranged on the upper end face of the fixing bolt 6; by arranging the slot 61, the user can loosen or tighten the fixing bolt 6 by means of a slot screwdriver, thereby improving the convenience of operation. In other embodiments, the end face of the fixing bolt 6 can also be provided with a cross slot or other structures suitable for common tools.

[0030] Working principle:

[0031] When the small animal needs to be given magnetic resonance imaging, the fixing bolt 6 is loosened by using a flathead screwdriver, so as to be separated from the base 1; then the animal placing plate 2 is slid on the clamping protrusion 11, and finally the animal placing plate 2 is taken off from the base 1. Then the animal placing plate 2 is taken to the experimental table or other spacious place, and the small animal is placed on the animal placing position 21, and then the small animal is fixed on the animal placing position 21 through the fixing belt; then the animal placing plate 2 is reloaded into the base 1. Through the alignment and clamping of the clamping groove 23 and the clamping protrusion 11, the clamping protrusion 11 is clamped into the clamping groove 23, and the animal placing plate 2 is slid in the sliding groove 5, so that the small animal on the animal placing position 21 is stretched into the imaging channel 4, and then the fixing bolt 6 is tightened by using the flathead screwdriver, so that the fixing bolt 6 is abutted and fixed with the end surface of the base 1, and then the small animal is given magnetic resonance imaging through the coil unit.

[0032] The above specific embodiment is the preferred embodiment of the utility model, and does not limit the specific implementation range of the utility model, and the range of the utility model includes but is not limited to the specific embodiment, and equivalent changes made according to the utility model are within the protection range of the utility model.

Claims

1. A magnetic resonance coil device for easy installation of small animal experimental subjects, characterized in that: The device includes a base and an animal placement board. The base is provided with an imaging shell, and the imaging shell contains a coil unit. An imaging channel is provided in the imaging shell at a position corresponding to the coil unit. The base is provided with a sliding groove, and the sliding groove is connected to the imaging channel. The animal placement plate is detachably connected to the base. One end of the animal placement plate is provided with an animal placement position. The animal placement plate is slidably engaged with the slide groove, and the animal placement position can extend into the imaging channel. The animal placement position is provided with an animal fixing structure. The animal placement plate is slidably engaged with the base at one end away from the animal placement position. The animal placement plate is provided with a locking structure, which is detachably connected to the base.

2. The magnetic resonance coil device for easy installation of small animal experimental subjects according to claim 1, characterized in that: The animal restraint structure includes a restraint strap, and the animal placement plate has multiple mounting holes, with the restraint strap detachably connected to the mounting holes.

3. The magnetic resonance coil device for easy installation of small animal experimental subjects according to claim 2, characterized in that: The fixing strap is an elastic bandage or Velcro.

4. The magnetic resonance coil device for easy installation of small animal experimental subjects according to claim 1, characterized in that: The base has snap-fit ​​protrusions on both sides, and the animal placement plate has snap-fit ​​grooves at the corresponding positions of the snap-fit ​​protrusions. The snap-fit ​​grooves are slidably snapped into the snap-fit ​​protrusions.

5. The magnetic resonance coil device for easy installation of small animal experimental subjects according to claim 4, characterized in that: The locking structure includes a fixing bolt, which is threadedly connected to the animal placement plate and can abut against the end face of the base.

6. The magnetic resonance coil device for easy installation of small animal experimental subjects according to claim 5, characterized in that: There are two fixing bolts, and the two fixing bolts are symmetrically distributed on the left and right sides of the animal placement position.

7. The magnetic resonance coil device for easy installation of small animal experimental subjects according to claim 5, characterized in that: The upper end face of the fixing bolt is provided with a slotted groove or a cross groove.

Images