CN220001756U - Head fixing mechanism for small animal magnetic resonance imaging instrument - Google Patents

Abstract

The utility model relates to the field of magnetic resonance imaging instruments and discloses a head fixing mechanism for a small animal magnetic resonance imaging instrument, which comprises a supporting block, wherein a connecting groove is formed in the outer wall of the supporting block, a reset spring is arranged in the supporting block, positioning blocks are fixedly connected to the two sides of the reset spring, a connecting block is fixedly connected to the outer wall of the positioning block, supporting rods are fixedly connected to the inner sides of the supporting block and the inner side of the positioning block, and a fixing block is fixedly connected to one side of the supporting rod. This head fixed establishment for toy magnetic resonance imaging appearance through supporting shoe, spread groove, reset spring, locating piece, connecting block, bracing piece and the fixed block that set up, has realized the function of being convenient for stretch out and draw back, is favorable to then fixing or relieving fixed work to the head of toy, has improved the convenience of operation, has solved the problem of inconvenient operation, has satisfied people's work demand, is worth using widely.

Description

Head fixing mechanism for small animal magnetic resonance imaging instrument

Technical Field

The utility model relates to the technical field of magnetic resonance imaging instruments, in particular to a head fixing mechanism for a small animal magnetic resonance imaging instrument.

Background

Nuclear magnetic resonance is also known as mri, and mri is the instrument that results from this technique. It is a further significant advancement in medical imaging following CT. Since the application in the 80 s, it has been developed at an extremely rapid rate. Nuclear magnetic resonance is a physical phenomenon, and is widely applied to the fields of physics, chemistry, biology and the like as an analysis means, and is used for medical clinical detection only in 1973. To avoid confusion with radio-imaging in nuclear medicine, it is called nuclear magnetic resonance imaging.

In the process of nuclear magnetic resonance, the movement of the small animal can cause inaccuracy of the detection result, and the existing fixing device is not convenient enough when fixing and releasing the head of the small animal, so that a head fixing mechanism for a small animal magnetic resonance imager is needed to solve the above-mentioned problem.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a head fixing mechanism for a small animal magnetic resonance imaging instrument, which has the function of being convenient for fixing and solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a head fixed establishment for animal magnetic resonance imaging appearance, includes the supporting shoe, the spread groove has been seted up to the outer wall of supporting shoe, the inside of supporting shoe is provided with reset spring, the both sides of reset spring all fixedly connected with locating piece, the outer wall fixedly connected with connecting block of locating piece, the inboard all fixedly connected with bracing piece of supporting shoe and locating piece, one side fixedly connected with fixed block of bracing piece, through supporting shoe, spread groove, reset spring, locating piece, connecting block, bracing piece and the fixed block that set up, realized the function of being convenient for stretch out and draw back, be favorable to then carrying out the work of fixing or releasing the fixation to the head of animal, improved the convenience of operation, solved inconvenient problem of operating, satisfied people's work demand, be worth using widely.

Furthermore, the front view of the supporting block is in an arc shape, and the side view of the supporting block is in a concave structure, so that the positioning block can be conveniently prevented from falling off.

Furthermore, the positioning block and the supporting block form a telescopic structure through the reset spring, and the positioning block is in an arc shape in front view, so that the positioning block is conveniently driven to reset and slide.

Furthermore, the connecting block penetrates through the outer wall of the supporting block through the connecting groove, and the connecting block is in sliding connection with the supporting block through the connecting groove, so that the positioning block is conveniently limited when sliding.

Furthermore, the supporting rods and the fixing blocks are of an integrated structure, and the supporting rods are distributed at equal angles along the axial center line of the supporting blocks, so that the fixing stability is improved.

Furthermore, the bottom of fixed block is arc form, and the fixed block is elastic structure, has avoided extrudeing the condition that the animal head caused the damage.

Advantageous effects

Compared with the prior art, the utility model provides the head fixing mechanism for the small animal magnetic resonance imaging instrument, which has the following beneficial effects:

1. this head fixed establishment for toy magnetic resonance imaging appearance through supporting shoe, spread groove, reset spring, locating piece, connecting block, bracing piece and the fixed block that set up, has realized the function of being convenient for stretch out and draw back, is favorable to then fixing or relieving fixed work to the head of toy, has improved the convenience of operation, has solved the problem of inconvenient operation, has satisfied people's work demand, is worth using widely.

Drawings

FIG. 1 is a schematic view of the present utility model in a front cross-section;

FIG. 2 is a schematic diagram of a side view connection structure of a supporting block and a positioning block according to the present utility model;

FIG. 3 is a schematic top view of a support block according to the present utility model;

fig. 4 is a schematic view of a three-dimensional connection structure of a support rod and a fixing block according to the present utility model.

In the figure: 1. a support block; 2. a connecting groove; 3. a return spring; 4. a positioning block; 5. a connecting block; 6. a support rod; 7. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The preferred embodiment of the head fixing mechanism for the small animal magnetic resonance imager provided by the utility model is shown in fig. 1 to 4: the utility model provides a head fixed establishment for animal magnetic resonance imaging appearance, including supporting shoe 1, spread groove 2 has been seted up to the outer wall of supporting shoe 1, the inside of supporting shoe 1 is provided with reset spring 3, the both sides of reset spring 3 are all fixedly connected with locating piece 4, the outer wall fixedly connected with connecting block 5 of locating piece 4, the inboard of supporting shoe 1 and locating piece 4 is all fixedly connected with bracing piece 6, one side fixedly connected with fixed block 7 of bracing piece 6, through supporting shoe 1 that sets up, spread groove 2, reset spring 3, locating piece 4, connecting block 5, bracing piece 6 and fixed block 7, the function of being convenient for flexible has been realized, be favorable to then carrying out the work of fixing or relieving fixedly to the head of animal, the convenience of operation has been improved, the problem of inconvenient operation has been solved, the work demand of people has been satisfied, be worth using widely.

Furthermore, the supporting block 1 is in an arc shape in front view, and the side view of the supporting block 1 is in a concave structure, so that the positioning block 4 can be conveniently prevented from falling off.

Furthermore, the positioning block 4 and the supporting block 1 form a telescopic structure through the reset spring 3, and the positioning block 4 is in an arc shape in front view, so that the positioning block 4 is conveniently driven to reset and slide.

Furthermore, the connecting block 5 penetrates through the outer wall of the supporting block 1 through the connecting groove 2, and the connecting block 5 is in sliding connection with the supporting block 1 through the connecting groove 2, so that the positioning block 4 is conveniently limited when sliding.

Furthermore, the supporting rods 6 and the fixing blocks 7 are of an integrated structure, and the supporting rods 6 are distributed at equal angles along the axial center line of the supporting block 1, so that the fixing stability is improved.

Furthermore, the bottom of the fixed block 7 is arc-shaped, and the fixed block 7 is of an elastic structure, so that the damage caused by extruding the head of the small animal is avoided.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. refer to the orientation or positional relationship as shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a little animal magnetic resonance imaging head fixed establishment for appearance, includes supporting shoe (1), its characterized in that: the connecting groove (2) has been seted up to the outer wall of supporting shoe (1), the inside of supporting shoe (1) is provided with reset spring (3), all fixedly connected with locating piece (4) in both sides of reset spring (3), the outer wall fixedly connected with connecting block (5) of locating piece (4), the inboard of supporting shoe (1) and locating piece (4) is all fixedly connected with bracing piece (6), one side fixedly connected with fixed block (7) of bracing piece (6).

2. The head fixation mechanism for a small animal magnetic resonance imager according to claim 1, wherein: the front view of the supporting block (1) is in an arc shape, and the side view of the supporting block (1) is in a concave structure.

3. The head fixation mechanism for a small animal magnetic resonance imager according to claim 1, wherein: the positioning block (4) and the supporting block (1) form a telescopic structure through the reset spring (3), and the positioning block (4) is in an arc shape in front view.

4. The head fixation mechanism for a small animal magnetic resonance imager according to claim 1, wherein: the connecting block (5) penetrates through the outer wall of the supporting block (1) through the connecting groove (2), and the connecting block (5) is in sliding connection with the supporting block (1) through the connecting groove (2).

5. The head fixation mechanism for a small animal magnetic resonance imager according to claim 1, wherein: the supporting rods (6) and the fixing blocks (7) are of an integrated structure, and the supporting rods (6) are distributed at equal angles along the axial center line of the supporting block (1).

6. The head fixation mechanism for a small animal magnetic resonance imager according to claim 1, wherein: the bottom of the fixed block (7) is arc-shaped, and the fixed block (7) is of an elastic structure.