CN220403995U - Nuclear magnetic resonance instrument with knee joint buckling angle retention support structure - Google Patents

Abstract

The utility model discloses a nuclear magnetic resonance instrument with a knee joint buckling angle retention support structure, which belongs to the technical field of auxiliary fixation for medical examination, and comprises an examination bed and retention support assemblies, wherein two retention support assemblies are arranged, and a sliding chute for sliding the retention support assemblies is formed in the examination bed; the positioning support assembly comprises a sliding rail sliding in the sliding groove, a driving piece for driving the sliding rail is connected between the two sliding rails, a displacement groove is formed in the examination bed for the driving piece to move, the positioning support assembly further comprises a propping piece sliding connected in the sliding rail, the two propping pieces are hinged to the ends, far away from the sliding rail, of the two propping pieces, a knee joint backing plate is further connected with an adjusting piece, the knee joint backing plate drives the propping piece to move through the adjusting piece, and the knee joint backing plate moves in a lifting mode synchronously in the height direction; the retention support can be completely stored into the examination bed when not in use, is convenient to use, can assist the knee joint of a patient to bend at different angles, and is convenient to carry out multidirectional nuclear magnetic shooting.

Description

Nuclear magnetic resonance instrument with knee joint buckling angle retention support structure

Technical Field

The utility model belongs to the technical field of auxiliary fixation in medical examination, and particularly relates to a nuclear magnetic resonance apparatus with a knee joint buckling angle retention support structure.

Background

Nuclear magnetic resonance is an atomic nucleus with non-zero magnetic moment, the spin energy level is subjected to zeeman splitting under the action of an external magnetic field, resonance absorbs the physical process of radio frequency radiation with a certain frequency, nuclear magnetic resonance spectroscopy is a branch of spectroscopy, the resonance frequency is in a radio frequency band, the corresponding transition is the transition of nuclear spin on the nuclear zeeman energy level, the nuclear magnetic resonance detects the electromagnetic wave emitted by the external gradient magnetic field, and the position and the type of the atomic nucleus forming the object can be known, so that the object can be drawn into a structural image in the object.

During scanning nuclear magnetic images, a subject usually needs to bend the knee on one side and keep for a long time, although some of the subjects can also provide a certain support for the knee joint, such as fixing by using a knee joint support; or the dorsum of the foot is sleeved by the cloth strips, and the cloth strips are pulled by two hands, so that the leg support and fixation are realized. These supports do not guarantee both knee joint flexion angle and leg weight support for long periods of time and the subject is in a relatively uncomfortable position. In addition, in the existing experimental process, a method for fixing the knee joint buckling angle by adopting a low-temperature thermoplastic plate is also adopted, but the low-temperature thermoplastic plate needs to be thermoplastic according to the leg shape, and the material is disposable in the experimental process, for example, the knee joint angle is adjusted, the material needs to be thermoplastic again, so that the experimental time is prolonged.

Based on the technical problems, chinese patent CN209678513U discloses a knee joint flexion angle retention support for nuclear magnetic imaging experiments, the support comprising a thigh support plate, a shank support plate, a sleeve and an angle reader; the thigh support plate is connected with the upper part of the shank support plate and is used for supporting the thigh and the shank of a subject, the lower parts of the thigh support plate and the shank support plate can be opened and closed relatively, and the opening and closing angle is the knee joint buckling angle of the subject; the two ends of the sleeve are respectively fixed on the lower surfaces of the thigh support plate and the shank support plate, and the length of the sleeve is changed according to the opening and closing angles of the thigh support plate and the shank support plate; the supporter obtains the opening and closing angles of the thigh support plate and the shank support plate through the angle reader. However, the knee joint buckling angle retention support in the above technical scheme needs to be placed on a bed plate of the nuclear magnetic resonance apparatus and adjusted when being used each time, which is inconvenient to store; simultaneously thigh backup pad, the shank backup pad that its set up are plastics material, under patient permanent bending, can oppress patient knee inboard, have the extrusion condition, consequently can also further improve patient's comfort level.

Disclosure of Invention

The utility model aims to provide a nuclear magnetic resonance instrument with a knee joint buckling angle retention support structure, wherein the retention support can be completely contained into an examination bed when not in use, is convenient to use, can assist the knee joint of a patient to bend at different angles, and is convenient to carry out multidirectional nuclear magnetic shooting.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the nuclear magnetic resonance apparatus with the knee joint buckling angle retention support structure comprises an inspection bed and retention support assemblies, wherein two retention support assemblies are arranged and are symmetrically arranged and are in sliding connection with the inside of the inspection bed, and a sliding chute for the retention support assemblies to slide is formed in the inspection bed; the utility model discloses a device for detecting the position of the knee joint backing plate, including the fixed position supporting component, the fixed position supporting component is including sliding at the inside slide rail of spout, is connected with the drive slide rail between two slide rails along the gliding driving piece of spout, set up the displacement groove on the inspection bed and supply the driving piece to remove, displacement groove and two spout intercommunication, still include the supporting piece of sliding connection inside the slide rail, the supporting piece sets up with slide rail middle part symmetry, and two supporting pieces keep away from slide rail end hinge connection have knee joint backing plate, and two supporting pieces still are connected with the regulating part, and knee joint backing plate passes through regulating part drive supporting piece and removes, carries out lifting movement in the direction of height in step.

Further, the driving piece is including fixing the connecting rod in the slide rail outside, and two connecting rods keep away from slide rail end and are fixed with the connecting block, and the connecting block both sides all are connected with the piston rod, and the connecting block end is kept away from to the piston rod is fixed with the cylinder, and the cylinder is all fixed inside the inspection bed.

The scheme is adopted: the adjustable slide rail is convenient to adjust, and the adjustable slide rail is adjusted along the examining table to move, so that the adjustable slide rail is suitable for nuclear magnetism shooting of patients with different heights.

Further, be equipped with the connection base below the knee joint backing plate, connect the base with the top support piece is articulated, connects the inside sliding connection of base and has the montant, and the montant is kept away from and is connected base end fixed connection to the knee joint backing plate is fixed with connecting spring between montant and the connection base.

The scheme is adopted: utilize connecting spring to carry out the shock attenuation, place on knee joint backing plate at patient's knee joint back, the montant can be followed and connect the base and slide, and then through the shock attenuation of connecting spring, can improve the comfort level that the patient placed.

Further, the top support piece comprises sliding blocks which are connected inside the sliding rail in a sliding mode, the sliding blocks are symmetrically arranged, a fixing block is arranged between the two sliding blocks, the fixing block is fixed at the center position inside the sliding rail, the opposite sides of the sliding blocks are hinged to top support rods, and the two top support rods are hinged to the ends, away from the sliding blocks, of the two top support rods and are connected to the lower portion of the knee joint base plate.

The scheme is adopted: the two top supporting rods can rotate at 0-180 degrees, so that the knee joint of a patient can be assisted to bend at different angles, and multidirectional nuclear magnetic shooting is convenient to conduct.

Further, the regulating part comprises threaded connection two the inside screw rod of sliding block, screw rod one end rotates inside the slide rail, and the other end rotates inside the inspection bed to stretch out the inspection bed, stretch out the end and be connected with servo motor, servo motor bottom screw fixation has the backup pad, and the backup pad is fixed with the telescopic link towards the inspection bed end, and the telescopic link other end is fixed on the inspection bed, and the servo motor outside still is equipped with the guard frame, and the guard frame screw fixation is on the inspection bed.

The scheme is adopted: simple structure, convenient doctor carries out the knee joint bending angle adjustment of patient.

Further, the screw threads on two sides of the fixed block rotate in opposite directions.

The scheme is adopted: the two sliding blocks can move simultaneously, so that the adjusting efficiency is improved.

Further, set up flutedly on the knee joint backing plate, the recess is equipped with four altogether, and every recess inside is fixed with the axostylus axostyle, and the axostylus axostyle outside is fixed with the vortex form elastic plate, and the vortex form elastic plate is fixed with the bandage off-axis rod end, and the bandage can be twined and accomodate in the vortex form elastic plate outside, and the bandage of two relative settings is passed through the magic and is pasted and connect.

The scheme is adopted: the leg fixing device is convenient to fix the legs of the patient, and meanwhile, the binding bands can be automatically stored, so that the binding bands are convenient to arrange.

The beneficial effects of the utility model are as follows:

1. can assist the knee joint of the patient to bend at different angles, and is convenient for multi-azimuth nuclear magnetic shooting.

2. The whole knee joint buckling angle retention support structure can be stored into the examination bed when not in use, is convenient to use, does not occupy extra space, and is simple in structure, convenient to operate and convenient to adjust.

3. After the knee joint of the patient is placed on the knee joint backing plate, the vertical rod can slide along the connecting base, and then the comfort level of the patient placement can be improved through the shock absorption of the connecting spring.

Drawings

FIG. 1 is a schematic diagram of a nuclear magnetic resonance apparatus with knee flexion angle retention support structure according to the present utility model;

FIG. 2 is a schematic view of an inspection bed structure of a nuclear magnetic resonance apparatus with a knee flexion angle retention support structure according to the present utility model;

FIG. 3 is a schematic view of a structural view of a retention support assembly of a nuclear magnetic resonance apparatus with a knee flexion angle retention support structure according to the present utility model;

FIG. 4 is an enlarged schematic view of the portion I in FIG. 2 of a nuclear magnetic resonance apparatus with knee flexion angle retention support structure provided by the present utility model;

FIG. 5 is an enlarged view of section II of FIG. 3 of a nuclear magnetic resonance apparatus with knee flexion angle retention support structure in accordance with the present utility model;

FIG. 6 is a schematic side view of FIG. 1 of a nuclear magnetic resonance apparatus with knee flexion angle retention support structure provided in accordance with the present utility model;

fig. 7 is an enlarged view of the portion III of fig. 6 of a nmr apparatus with a knee flexion angle retention support structure provided by the present utility model.

In the figure: 1. an inspection bed; 2. a retention support assembly; 3. a chute; 4. a displacement groove; 5. a protective frame; 21. a slide rail; 22. knee joint pad; 23. a connecting rod; 24. a connecting block; 25. a piston rod; 26. a cylinder;

211. a sliding block; 212. a fixed block; 213. a top brace rod; 214. a screw; 215. a servo motor; 216. a support plate; 217. a telescopic rod;

221. the base is connected; 222. a vertical rod; 223. a connecting spring; 224. a groove; 225. a shaft lever; 226. a vortex-shaped elastic plate; 227. a strap; 228. a magic tape.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

Referring to fig. 1 to 7, a nuclear magnetic resonance apparatus with a knee flexion angle retention support structure according to an embodiment of the present utility model will be described in detail with reference to the accompanying drawings.

In the nmr apparatus with the knee joint flexion angle retention support structure according to the embodiment, the knee joint flexion angle retention support structure is made of a non-metal material, and may be used in a nuclear magnetic chamber, for example, a high performance epoxy resin material is used, wherein the knee joint pad is made of a silica gel or rubber material.

The nuclear magnetic resonance instrument with the knee joint buckling angle retention support structure comprises an examination bed 1 and retention support assemblies 2, wherein two retention support assemblies 2 are arranged, the two retention support assemblies 2 are symmetrically arranged and are in sliding connection with the inside of the examination bed 1, and a sliding chute 3 for the retention support assemblies 2 to slide is formed in the inside of the examination bed 1;

the utility model discloses a support device for the inspection bed, including fixing support assembly 2, including the inside slide rail 21 of slide rail 3, be connected with the gliding driving piece of drive slide rail 21 along slide rail 3 between two slide rails 21, set up displacement groove 4 on inspection bed 1 and supply the driving piece to remove, displacement groove 4 and two slide rails 3 intercommunication still include the shoring piece of sliding connection in slide rail 21 inside, the shoring piece sets up about slide rail 21 middle part symmetry, and two shoring pieces keep away from slide rail 21 end and hinge and be connected with knee joint backing plate 22, and two shoring pieces still are connected with the regulating part, and knee joint backing plate 22 is through regulating part drive shoring piece removal, carries out lifting movement in the direction of height in step.

Specifically, as shown in fig. 2, the driving member includes a connecting rod 23 fixed on the outer side of the sliding rail 21, two connecting rods 23 are fixed with a connecting block 24 at the end far away from the sliding rail 21, two sides of the connecting block 24 are both connected with a piston rod 25, the end far away from the connecting block 24 of the piston rod 25 is fixed with a cylinder 26, and the cylinder 26 is fixed inside the examining table 1.

The positions of the two sliding rails 21 are adjustable, so that when patients with different heights lie flat, the knee joint positions of the patients can be better fixed, the positions of the corresponding sliding rails 21 are adjusted according to the heights of the patients, when the sliding rails 21 are adjusted, the air cylinders 26 are opened, the air cylinders 26 drive the piston rods 25 to stretch and retract, the positions of the connecting blocks 24 are adjusted, the connecting blocks 24 further drive the two connecting rods 23 to move, and finally the aim of moving the sliding rails 21 is achieved.

In the process of adjusting the slide rail 21, only one of the cylinders 26 is opened, and the opposite piston rod 25 is driven by the connecting block 24 to passively stretch.

Specifically, as shown in fig. 3 to 5, the top support member includes sliding blocks 211 slidably connected inside the sliding rail 21, the sliding blocks 211 are symmetrically arranged, a fixed block 212 is arranged between the two sliding blocks 211, the fixed block 212 is fixed at the center position inside the sliding rail 21, opposite sides of the sliding blocks 211 are hinged with top support rods 213, and ends, away from the sliding blocks 211, of the two top support rods 213 are hinged below the knee joint pad 22.

Wherein, the regulating part includes threaded connection at two screw rod 214 inside the sliding block 211, screw rod 214 one end rotates inside slide rail 21, and the other end rotates inside inspection bed 1 to stretch out inspection bed 1, stretch out the end and be connected with servo motor 215, servo motor 215 bottom screw fixation has backup pad 216, and backup pad 216 is fixed with telescopic link 217 towards inspection bed 1 end, and telescopic link 217 other end is fixed on inspection bed 1, and servo motor 215 outside still is equipped with protection frame 5, and protection frame 5 screw fixation is on inspection bed 1.

After the patient lies down, the knee joint is placed on the knee joint backing plate 22, when the knee joint of the patient needs to be fixed to a certain angle, the servo motor 215 can be turned on, the servo motor 215 drives the screw 214 to rotate, and in the rotating process of the screw 214, as the sliding blocks 211 are in threaded connection with the screw 214, and the screw 214 is opposite in the threaded rotating direction of the two sides of the fixed block 212, the two sliding blocks 211 move towards the fixed block 212 in opposite directions, the two supporting rods 213 rotate to support the knee joint of the patient, the supporting angle can be controlled by controlling the servo motor 215 to be turned on, the doctor can conveniently operate, when the leg of the patient is put down, the servo motor 215 can be controlled to be reversed, the two sliding blocks 211 can be controlled to move back to back, and the supporting rods 213 gradually tend to be parallel to the examination bed 1.

In the above embodiment, since the slide rail 21 can move along the examination bed 1, the screw 214 is driven to move when the slide rail 21 moves, and thus the telescopic rod 217 is disposed at the servo motor 215, so that the movement adjustment of the slide rail 21 is not hindered.

Specifically, to knee pad 22, set up recess 224 on the knee pad 22, recess 224 is equipped with four altogether, every recess 224 inside is fixed with axostylus axostyle 225, axostylus axostyle 225 outside is fixed with vortex form elastic plate 226, vortex form elastic plate 226 is kept away from axostylus axostyle 225 end and is fixed with bandage 227, bandage 227 can twine and accomodate in vortex form elastic plate 226 outside, two bandage 227 that set up relatively pass through the magic subsides 228 and connect, place the back at patient's shank, the both sides of its knee joint all can be fixed through bandage 227, at the time accomplish after the magnetic imaging of nucleation, loosen bandage 227, bandage 227 can accomodate automatically.

As shown in fig. 6-7, a connection base 221 is disposed below the knee joint pad 22, the connection base 221 is hinged to the top support, a vertical rod 222 is slidably connected inside the connection base 221, the end, away from the connection base 221, of the vertical rod 222 is fixedly connected to the knee joint pad 22, and a connection spring 223 is fixedly arranged between the vertical rod and the connection base.

When adjusting patient's knee joint jack-up angle, can be further through connecting spring 223 drive montant 222 and slide, reach the shock attenuation purpose, promote patient's travelling comfort.

And can place cavernosum etc. at knee joint backing plate 22 and further promote patient's travelling comfort, wherein knee joint backing plate 22 adopts the silica gel piece preparation that elasticity performance is good.

The working principle of the utility model is as follows: the knee joint of the patient is supported and fixed by the supporting rods with two movable ends, and the included angle between the two supporting rods is adjusted by the switch of the servo motor, so that the knee joint of the patient is assisted to be at different buckling angles, a doctor can shoot nuclear magnetic images conveniently, and pain of the patient is reduced.

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 (7)

1. The nuclear magnetic resonance instrument with the knee joint buckling angle retention support structure comprises an examination bed (1) and retention support assemblies (2), and is characterized in that the two retention support assemblies (2) are symmetrically arranged and are in sliding connection with the inside of the examination bed (1), and a sliding groove (3) for the retention support assemblies (2) to slide is formed in the examination bed (1);

the utility model provides a location supporting component (2) is including sliding at inside slide rail (21) of spout (3), is connected with drive slide rail (21) between two slide rails (21) along the gliding driving piece of spout (3), displacement groove (4) supply driving piece to remove has been seted up on inspection bed (1), displacement groove (4) and two spout (3) intercommunication, still include the shoring piece of sliding connection inside slide rail (21), shoring piece sets up about slide rail (21) middle part symmetry, two shoring pieces keep away from slide rail (21) end hinge and are connected with knee joint backing plate (22), two shoring pieces still are connected with regulating part, knee joint backing plate (22) are through regulating part drive shoring piece removal, carry out lifting movement in the direction of height in step.

2. The nuclear magnetic resonance apparatus with the knee joint buckling angle retention support structure according to claim 1, wherein the driving member comprises a connecting rod (23) fixed on the outer side of the sliding rail (21), connecting blocks (24) are fixed at ends, away from the sliding rail (21), of the two connecting rods (23), piston rods (25) are connected to two sides of the connecting blocks (24), air cylinders (26) are fixed at ends, away from the connecting blocks (24), of the piston rods (25), and the air cylinders (26) are fixed inside the examination bed (1).

3. The nuclear magnetic resonance apparatus with the knee joint buckling angle retention supporting structure according to claim 1, wherein a connection base (221) is arranged below the knee joint base plate (22), the connection base (221) is hinged with the top supporting piece, a vertical rod (222) is slidably connected inside the connection base (221), the end, away from the connection base (221), of the vertical rod (222) is fixedly connected to the knee joint base plate (22), and a connection spring (223) is fixedly arranged between the vertical rod (222) and the connection base (221).

4. The nuclear magnetic resonance apparatus with the knee joint buckling angle retention supporting structure according to claim 1, wherein the top support comprises sliding blocks (211) which are connected inside the sliding rail (21) in a sliding manner, the sliding blocks (211) are symmetrically arranged, a fixed block (212) is arranged between the two sliding blocks (211), the fixed block (212) is fixed at the central position inside the sliding rail (21), top support rods (213) are hinged to opposite sides of the sliding blocks (211), and two top support rods (213) are hinged to the lower portion of the knee joint backing plate (22) away from the ends of the sliding blocks (211).

5. The nuclear magnetic resonance apparatus with the knee joint buckling angle retention supporting structure according to claim 4, wherein the adjusting member comprises a screw rod (214) which is in threaded connection with the two sliding blocks (211), one end of the screw rod (214) rotates inside the sliding rail (21), the other end of the screw rod rotates inside the examining table (1) and stretches out of the examining table (1), the stretching end is connected with a servo motor (215), a supporting plate (216) is screwed at the bottom of the servo motor (215), a telescopic rod (217) is fixed at the end of the supporting plate (216) facing the examining table (1), the other end of the telescopic rod (217) is fixed on the examining table (1), a protective frame (5) is further arranged outside the servo motor (215), and the protective frame (5) is screwed on the examining table (1).

6. The nmr instrument with knee flexion angle retention support structure of claim 5, wherein the screw (214) threads at both sides of the fixed block (212) rotate in opposite directions.

7. A nmr apparatus with knee joint buckling angle retention and support structure according to claim 3, wherein the knee joint pad (22) is provided with four grooves (224), each groove (224) is internally fixed with a shaft rod (225), the shaft rod (225) is externally fixed with a vortex-shaped elastic plate (226), the end of the vortex-shaped elastic plate (226) far away from the shaft rod (225) is fixed with a binding belt (227), the binding belt (227) can be wound and accommodated outside the vortex-shaped elastic plate (226), and two oppositely arranged binding belts (227) are connected through a magic tape (228).