CN117898894A - Special non-magnetic stretcher of magnetic resonance - Google Patents

Abstract

The invention discloses a special non-magnetic stretcher for magnetic resonance, which comprises a movable stretcher, a stretcher base and a double-lock mechanism; the movable stretcher is contacted with the stretcher base, the double-lock mechanism is arranged between the double-lock stretcher base and the movable stretcher, and two ends of the double-lock mechanism are respectively connected with the stretcher base and the movable stretcher. The patient lies on the movable stretcher, the medical staff lifts the movable stretcher, the movable stretcher is placed on the stretcher base, the movable stretcher is pushed into the stretcher base, and the medical staff can move the patient by pushing the stretcher base. The special non-magnetic stretcher for magnetic resonance gives attention to the magnetic resonance scanning bed, does not need to be transferred from the stretcher to the appointed magnetic resonance bed body, reduces the secondary transfer to the patient, and prevents secondary injury. The movable stretcher bed and the stretcher base are provided with double locking devices, the double locking devices are used for locking, the patient pushing, positioning and locking and the patient withdrawing and locking are completed during the magnetic resonance scanning, and the movable stretcher bed has the function of adjusting the height and provides better operation convenience.

Description

Special non-magnetic stretcher of magnetic resonance

Technical Field

The application relates to the technical field of stretcher beds, in particular to a non-magnetic stretcher bed special for magnetic resonance.

Background

Stretcher beds are widely used in emergency vehicles, hospitals, emergency rooms, operating rooms, and the like. They provide a safe and comfortable way to ensure that the patient is properly supported and cared for during transport and treatment.

Currently, when performing magnetic resonance scanning, patients often need to be transferred by a plurality of medical staff in the process of transferring patients to a magnetic resonance bed on a sickbed, and the patients are possibly secondarily injured in the transfer process.

Disclosure of Invention

The application aims to solve the technical problems that when a patient is transferred to a magnetic resonance bed on a sickbed during magnetic resonance scanning, a plurality of medical staff are often required to transfer patients with inconvenient actions such as injuries, fracture or coma, and secondary injury can be caused to the wounded in the transfer process.

In order to solve the above problems, or at least partially solve the above technical problems, the present application provides a magnetic resonance dedicated nonmagnetic stretcher.

The invention discloses a special non-magnetic stretcher for magnetic resonance, which comprises a movable stretcher, a stretcher base and a double-lock mechanism;

the movable stretcher is in contact with the stretcher base, the double-lock mechanism is arranged between the double-lock stretcher base and the movable stretcher, and two ends of the double-lock mechanism are respectively connected with the stretcher base and the movable stretcher.

Preferably, the movable stretcher comprises a bed body, a first fixed column and a second fixed column, wherein the first fixed column and the second fixed column are connected with the bed body, and the first fixed column and the second fixed column are vertically arranged on the back surface of the bed body;

the double-lock mechanism is connected with the first fixed column or the second fixed column.

Preferably, the movable stretcher comprises a head rest and a movable wheel;

the head support is connected with one side of the bed body, the movable wheel is connected with the bed body, and the movable wheel and the first fixed column are arranged on the same surface of the bed body.

Preferably, the double-lock mechanism comprises a first rod, a second rod, a movable rod and a handle;

The first rod is rotationally connected with the second rod, the handle, the first rod, the second rod and the movable rod are sequentially connected, and the movable rod is fixedly connected with the stretcher base.

Preferably, the double lock mechanism comprises a zipper assembly mounted at a position where the first rod is connected with the second rod.

Preferably, the zipper assembly comprises a fixing piece and a zipper piece, one end of the zipper piece is connected with the fixing piece, and the fixing piece is fixedly connected with the stretcher base.

Preferably, the double lock mechanism comprises a push lock assembly mounted at one end of the movable bar.

Preferably, the push lock assembly comprises a lock piece plate, a first push lock piece, a second push lock piece and a gear piece;

the lock piece plate is fixedly connected with the stretcher base, and the first pushing lock piece, the second pushing lock piece and the gear piece are arranged on the lock piece plate;

The gear piece with movable rod is connected, first pushing away the locking piece with the second pushes away the locking piece contact, first pushing away the locking piece with locking piece board fixed connection, the gear piece with first pushing away the locking piece and installing respectively the both ends that the second pushed away the locking piece.

Preferably, the two ends of the second pushing locking piece are provided with arc grooves and buckling teeth, the circumference side of the arc grooves of the second pushing locking piece is matched with the circumference side of the first pushing locking piece, the arc grooves are formed in the circumference side, far away from the buckling teeth, of the second pushing locking piece, and the gear piece is meshed with the teeth of the second pushing locking piece.

Preferably, the stretcher base comprises a supporting table and guardrails, the movable stretcher bed is in contact with the supporting table, the supporting table is connected with the double-lock mechanism, the guardrails are connected with the supporting table, and the guardrails are installed on one side of installation of the double-lock mechanism and on two adjacent sides.

Compared with the prior art, the technical scheme provided by the application has the following advantages:

According to the special non-magnetic stretcher for magnetic resonance, a patient lies on the movable stretcher, medical staff lifts the movable stretcher and places the movable stretcher on the stretcher base, the movable stretcher is pushed into the stretcher base, and the medical staff can move the patient by pushing the stretcher base. The special non-magnetic stretcher for magnetic resonance gives attention to the magnetic resonance scanning bed, does not need to be transferred from the stretcher to the appointed magnetic resonance bed body, reduces the secondary transfer to the patient, and prevents secondary injury. The movable stretcher bed and the stretcher base are provided with double locking devices, the double locking devices are used for locking, the patient pushing, positioning and locking and the patient withdrawing and locking are completed during the magnetic resonance scanning, and the movable stretcher bed has the function of adjusting the height and provides better operation convenience.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of a special nonmagnetic stretcher for magnetic resonance;

FIG. 2 is a view showing a state of use of a special nonmagnetic stretcher for magnetic resonance;

FIG. 3 is a schematic diagram of the connection structure between the stretcher base and the double-lock mechanism of the non-magnetic stretcher special for magnetic resonance;

FIG. 4 is a schematic diagram of a movable stretcher for a special non-magnetic stretcher for magnetic resonance;

FIG. 5 is a schematic diagram II of the movable stretcher of the special nonmagnetic stretcher for magnetic resonance;

FIG. 6 is a schematic diagram of a double-lock mechanism of a special non-magnetic stretcher for magnetic resonance;

FIG. 7 is an enlarged schematic view of the portion P of FIG. 6;

FIG. 8 is a view of a second fixed column of a magnetic resonance dedicated nonmagnetic stretcher approaching a zipper assembly;

FIG. 9 is a diagram showing a state where the second fixing column is locked by the zipper assembly of the non-magnetic stretcher special for magnetic resonance;

fig. 10 is a state diagram of the first fixed column of the special non-magnetic stretcher for magnetic resonance approaching to the push lock assembly;

FIG. 11 is a diagram showing the state that the push lock assembly of the non-magnetic stretcher special for magnetic resonance locks the first fixed column;

Fig. 12 is a state diagram of the first fixing column of the non-magnetic stretcher special for magnetic resonance, which is provided by the application, separated from the push lock assembly.

Reference numerals illustrate:

1. A special non-magnetic stretcher for magnetic resonance;

11. a movable stretcher; 111. a bed body; 112. a first fixing column; 113. a second fixing column; 114. a head rest; 115. a movable wheel;

12. a stretcher base; 121. a support table; 122. guard bars; 123. a universal wheel;

13. A double lock mechanism; 131. a first lever; 132. a second lever; 133. a movable rod; 134. a grip; 135. a zipper assembly; 1351. a fixing member; 1352. a zipper member; 136. a push lock assembly; 1361. a locking plate; 1362. the first pushing and locking piece; 1363. the second pushing and locking piece; 1364. an arc-shaped groove; 1365. a buckling tooth; 1366. a gear member.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1-12, the invention discloses a special non-magnetic stretcher 1 for magnetic resonance, which comprises a movable stretcher 11, a stretcher base 12 and a double-lock mechanism 13; the movable stretcher 11 is in contact with the stretcher base 12, the double-lock mechanism 13 is arranged between the double-lock stretcher base 12 and the movable stretcher, and two ends of the double-lock mechanism 13 are respectively connected with the stretcher base 12 and the movable stretcher 11.

Specifically, the patient lies on the movable stretcher 11, the double lock mechanism 13 can lock the movable stretcher 11 on the stretcher base 12, and the double lock mechanism 13 is installed on the stretcher base 12 to lock the movable stretcher 11 entering the stretcher base 12, so as to prevent the movable stretcher 11 from moving on the stretcher base 12.

It will be appreciated that the patient lies on the movable stretcher 11, the medical staff lifts the movable stretcher 11, places it on the stretcher base 12, pushes the movable stretcher 11 into the stretcher base 12, and the medical staff can move the patient by pushing the stretcher base 12. The special non-magnetic stretcher for magnetic resonance gives attention to the magnetic resonance scanning bed, does not need to be transferred from the stretcher to the appointed magnetic resonance bed body, reduces the secondary transfer to the patient, and prevents secondary injury. A double-lock mechanism 13 is arranged between the movable stretcher 11 and the stretcher base 12, and the double-lock mechanism 13 is used for locking, so that the patient is pushed, positioned and locked and the patient is withdrawn and locked during the magnetic resonance scanning.

In particular, the special non-magnetic stretcher 1 for magnetic resonance is made of non-magnetic metal alloy and ABS plastic, does not interfere with magnetic field and is interfered by magnetic field, and the quality of magnetic resonance imaging images is ensured, so that the special non-magnetic stretcher 1 for magnetic resonance can be used for emergency vehicles, hospitals, emergency rooms and operating room places, and can also be used for magnetic resonance scanning places.

As shown in fig. 1 to 3, the stretcher base 12 includes a support table 121 and a guard rail 122, the movable stretcher 11 is in contact with the support table 121, the support table 121 is connected with the double lock mechanism 13, the guard rail 122 is connected with the support table 121, and the guard rail 122 is installed on one side where the double lock mechanism 13 is installed and on the adjacent two sides.

Optionally, the stretcher base 12 is provided with universal wheels 123 and a support, one end of the support is installed at the bottom of the supporting table 121, the other end of the support is connected with the universal wheels 123, the universal wheels 123 are arranged, medical staff can directly push the stretcher base 12 to move to any position, and the movable function of the stretcher base 12 is that the special non-magnetic stretcher bed 1 for magnetic resonance brings better operation convenience.

As an embodiment, the bracket can adopt either a lifting bracket or a folding bracket, and the special nonmagnetic stretcher for magnetic resonance can be conveniently pushed into an ambulance or better stored in a preset position by arranging the folding bracket; when the support adopts the lifting support, the height of the stretcher base 12 can be adjusted in the hospital, so that the stretcher is better suitable for the use scene.

The three adjacent sides of the stretcher base 12 are provided with guardrails 122, and a protective piece is arranged on one side where the guardrails 122 are not arranged, the protective piece is higher than the surface of the supporting table 121 and lower than the height of the guardrails 122, so that the movable stretcher 11 can be prevented from moving out of the range of the supporting table 121, the protective piece can limit the moving range of the movable stretcher 11, and when the movable stretcher 11 needs to be moved out of the protective piece, a medical staff needs to lift the movable stretcher 11, so that the movable stretcher 11 is not limited by the protective piece any more.

As shown in fig. 4-5, the movable stretcher 11 includes a bed 111, a first fixed column 112, a second fixed column 113, a head support 114, and a movable wheel 115, where the first fixed column 112 and the second fixed column 113 are connected with the bed 111, the first fixed column 112 and the second fixed column 113 are vertically disposed on the back of the bed 111, the double lock mechanism 13 is connected with the first fixed column 112 or the second fixed column 113, the head support 114 is connected with one side of the bed 111, the movable wheel 115 is connected with the bed 111, and the movable wheel 115 and the first fixed column 112 are disposed on the same surface of the bed 111.

Specifically, the first fixing column 112 and the second fixing column 113 are mounted on the back of the bed 111, the patient is lying on the bed 111, the medical staff lifts the bed 111, and the bed 111 moves on the stretcher base 12. When the movable stretcher enters the stretcher base 12 completely, the double-lock mechanism 13 locks the second fixed column 113, so that a patient and the movable stretcher 11 are on the stretcher base 12 completely, medical staff can push the movable stretcher 11 and the patient directly, when the movable stretcher 11 extends out of the stretcher base 12, the double-lock mechanism 13 locks the first fixed column 112, so that the head part of the patient and the movable stretcher 11 extend out of the stretcher base 12 for magnetic resonance detection, and meanwhile, the patient can be prevented from moving during the magnetic resonance detection, the stability during scanning is improved, and image artifacts are prevented. The back of the bed body 111 is also provided with at least four movable wheels 115 which are respectively arranged near four corners of the bed body 111, the first fixed column 112 and the second fixed column 113 are arranged near the movable wheels 115, the head support 114 is arranged at one end of the bed body 111, the first fixed column 112 and the second fixed column 113 are oppositely arranged at the other end, the head support 114 can support the head of a patient, the head is protected, the guard rail 122 is arranged on three sides of the stretcher base 12, the three sides of the movable stretcher bed 11, which are not provided with the head support 114, are pushed into the range of the stretcher base 12, and one side with the head support 114 can freely extend out of the stretcher base 12.

As shown in fig. 6-7, the double-locking mechanism 13 includes a first rod 131, a second rod 132, a movable rod 133, a handle 134, a zipper assembly 135, and a push-lock assembly 136, wherein the first rod 131 is rotatably connected with the second rod 132, the handle 134, the first rod 131, the second rod 132, and the movable rod 133 are sequentially connected, the movable rod 133 is fixedly connected with the stretcher base 12, the zipper assembly 135 is mounted at a position where the first rod 131 is connected with the second rod 132, and the push-lock assembly 136 and the second rod 132 are respectively mounted at two ends of the movable rod 133.

Specifically, a rotating shaft is arranged at the connection position of the first rod 131 and the second rod 132, the first rod 131 and the second rod rotate about the rotating shaft, one end of the zipper component 135 is fixedly arranged on the stretcher base 12, the other end of the zipper component 135 is connected with the rotating shaft, the zipper component 135 is fixed with the first rod 131, a medical staff holds the handle 134 to pull the first rod 131, the zipper component 135 rotates around the position connected with the stretcher base 12, the second rod 132 is also pulled, the center position of the movable rod 133 is fixedly connected with the stretcher base 12, the movable rod 133 also rotates along with the pulling of the second rod 132, the push-lock component 136 is fixed on the stretcher base 12, and the movable rod 133 rotates to drive the push-lock component 136 to operate. It will be appreciated that by pulling and returning the first rod 131, the operation of the zipper assembly 135 and the push lock assembly 136 can be driven, so as to lock the zipper assembly 135 or the push lock assembly 136.

The handle 134 is provided with a limiting piece and an elastic piece, the handle 134 comprises a grab handle and a rod, the rod is connected with the first rod 131, the grab handle is perpendicular to the rod, the elastic piece is sleeved on the rod, one end of the elastic piece is in contact with the grab handle, the other end of the elastic piece is in contact with the limiting piece, when the elastic piece is installed, one end of the rod of the handle 134, which is close to the grab handle, is connected with a fixed structure on the stretcher base 12, the elastic piece is in contact with the fixed structure, a user can pull the first rod 131 by holding the grab handle, the limiting piece compresses the elastic piece to the fixed structure of the stretcher base 12 by acting force, the elastic piece is deformed, and when the user opens the handle 134, the acting force generated by returning the elastic piece to the original state is limited by the cableway elastic piece, so that the first rod 131 and the second rod 132 move towards the direction away from the handle 134.

As shown in fig. 6-9, the zipper assembly 135 comprises a fixing member 1351 and a zipper member 1352, wherein one end of the zipper member 1352 is connected to the fixing member 1351, and the fixing member 1351 is fixedly connected to the stretcher base 12. Specifically, the fixing member 1351 may fix the zipper member 1352 on the stretcher base 12, the zipper member 1352 is provided with a pulling hook capable of hooking the second fixing post 113, when the movable stretcher 11 completely enters the range of the supporting stand 121 on the stretcher base 12, the medical staff pulls the handle to move the first rod 131 and the second rod 132 toward the grip 134, the zipper member 1352 rotates around the fixing member 1351 (direction a shown in fig. 8), the second fixing post 113 enters the range of the pulling hook of the zipper member 1352, the medical staff releases the grip 134, the first rod 131 and the second rod 132 move away from the grip 134, and the pulling hook hooks the second fixing post 113, thereby locking the movable stretcher 11 and preventing the movable stretcher 11 from moving on the stretcher base 12.

As shown in fig. 10-12, the push lock assembly 136 includes a lock plate 1361, a first push lock 1362, a second push lock 1363, and a gear 1366, wherein the lock plate 1361 is fixedly connected with the stretcher base 12, the first push lock 1362, the second push lock 1363, and the gear 1366 are mounted on a side of the lock plate 1361 away from the stretcher base 12, the gear 1366 is connected with the movable rod 133, the first push lock 1362 is in contact with the second push lock 1363, the first push lock 1362 is fixedly connected with the lock plate 1361, and the gear 1366 and the first push lock 1362 are mounted on two ends of the second push lock 1363.

Specifically, the lock plate 1361 is fixedly installed on the stretcher base 12, the first lock pushing piece 1362, the second lock pushing piece 1363 and the gear piece 1366 are sequentially installed on the lock plate 1361, the gear piece 1366 is connected with the movable rod 133, a fixed column is arranged at the center of the movable rod 133 and is fixed on the stretcher base 12, two ends of the movable rod 133 are respectively connected with the gear piece 1366 and the second rod 132, and the movement of the second rod 132 can push the movable rod 133 to rotate around the fixed column, so that the gear piece 1366 at the other end of the movable rod 133 is pushed to rotate. In addition, the first lock-pushing member 1362 is fixedly installed at one end of the lock-pushing member plate 1361 far away from the direction of the movable rod 133, the first lock-pushing member 1362 is static relative to the shrinking member plate, the first lock-pushing member 1362 is provided with an arc groove which is concave, the arc groove is matched with the shape of the second lock-pushing member 1363, and when the arc groove of the first lock-pushing member 1362 is matched with the circumference side of the second lock-pushing member 1363.

The two ends of the second pushing locking piece 1363 are provided with an arc-shaped groove 1364 and a buckling tooth 1365, the arc-shaped groove 1364 is arranged on the circumference side of the second pushing locking piece 1363, the arc-shaped groove 1364 faces the first pushing locking piece 1362, the circumference side of the second pushing locking piece 1363 provided with the arc-shaped groove 1364 is matched with the circumference side of the first pushing locking piece 1362 in shape, the gear piece 1366 is meshed with the buckling tooth 1365 of the second pushing locking piece 1363, the buckling tooth 1365 can drive the gear piece 1366 to rotate, the arc-shaped groove 1364 faces the arc-shaped groove of the first pushing locking piece 1362, when the gear piece 1366 drives the second pushing locking piece 1363 to rotate, the arc-shaped groove 1364 on the second pushing locking piece 1363 rotates to a position where the first pushing locking piece 1362 contacts the second pushing locking piece 1363, a space in the arc-shaped groove 1364 is surrounded by the first pushing locking piece 1362 and the second pushing locking piece 1363, and the first fixing column 112 can be locked in the position.

In particular, the lock plate 1361 is provided with a blocking piece at the position of the gear piece 1366, the gear piece 1366 is provided with a pulling piece, the pulling piece can contact with the blocking piece, when the gear piece 1366 rotates, the pulling piece rotates along with the gear piece 1366, the pulling piece can be propped against the blocking piece when the gear piece 1366 rotates clockwise (in the direction of a in fig. 1) by a certain angle, at this time, the gear piece 1366 cannot rotate continuously, the arc-shaped groove 1364 of the second pushing lock piece 1363 faces the direction of the handle 134, and the first fixing column 112 waits for entering the arc-shaped groove 1364. The top position of the first lock-pushing piece 1362, which is close to the arc-shaped groove 1364, is provided with a protruding part, and the protruding part can limit the continuous rotation range of the second lock-pushing piece 1363, so that the second lock-pushing piece 1363 is prevented from rotating excessively, and the first fixing column 112 can be ensured to break through the range of the arc-shaped groove 1364 in the closed state of the arc-shaped groove 1364.

It will be appreciated that when the patient needs to perform a magnetic resonance examination, and the upper body portion is required to extend out of the stretcher base 12, the first fixed leg 112 moves toward the push lock assembly 136, and when the first fixed leg 112 approaches the arcuate slot 1364 of the second push lock 1363, and at this time, the arcuate slot 1364 faces the grip 134, after the first fixed leg 112 enters the arcuate slot 1364, the first fixed leg 112 pushes the second push lock 1363 to rotate (as in the direction C in fig. 10), the arcuate slot 1364 of the second push lock 1363 rotates (as in the direction D in fig. 11) toward the first push lock 1362, the arcuate slot 1364 is surrounded by the circumferential sides of the first push lock 1362 and the second push lock 1363, and the first fixed leg 112 is locked. When a medical staff holds the handle 134 and pushes the handle 134 to pull toward the first rod 131, the first rod 131 and the second rod 132 move toward the movable rod 133, the movable rod 133 rotates (e.g. G direction in fig. 10), the teeth of the gear member 1366 rotate (e.g. F direction in fig. 10), the gear member 1366 rotates to drive the teeth of the second push lock member 1363 to move, thereby rotating the second push lock member 1363 (e.g. E direction in fig. 10), the rotation of the second push lock member 1363 rotates the arc-shaped groove 1364 toward the handle 134, the arc-shaped groove 1364 is in an open state, and the first fixing post 112 is separated from the locking of the first push lock member 1362 and the second push lock member 1363.

In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

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 invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (10)

1. The special non-magnetic stretcher for magnetic resonance is characterized by comprising a movable stretcher, a stretcher base and a double-lock mechanism;

the movable stretcher is in contact with the stretcher base, the double-lock mechanism is arranged between the double-lock stretcher base and the movable stretcher, and two ends of the double-lock mechanism are respectively connected with the stretcher base and the movable stretcher.

2. The special non-magnetic stretcher for magnetic resonance according to claim 1, wherein the movable stretcher comprises a bed body, a first fixed column and a second fixed column, the first fixed column and the second fixed column are connected with the bed body, and the first fixed column and the second fixed column are vertically arranged on the back of the bed body;

the double-lock mechanism is connected with the first fixed column or the second fixed column.

3. The non-magnetic stretcher special for magnetic resonance according to claim 2, characterized in that the movable stretcher comprises a head rest and a movable wheel;

the head support is connected with one side of the bed body, the movable wheel is connected with the bed body, and the movable wheel and the first fixed column are arranged on the same surface of the bed body.

4. The magnetic resonance dedicated nonmagnetic stretcher according to claim 1, characterized in that the double-lock mechanism comprises a first rod, a second rod, a movable rod and a grip;

The first rod is rotationally connected with the second rod, the handle, the first rod, the second rod and the movable rod are sequentially connected, and the movable rod is fixedly connected with the stretcher base.

5. The magnetic resonance-dedicated nonmagnetic stretcher according to claim 4, wherein the double-lock mechanism includes a zipper assembly installed at a position where the first rod is connected with the second rod.

6. The special non-magnetic stretcher of claim 5, wherein the zipper assembly comprises a fixing piece and a zipper piece, one end of the zipper piece is connected with the fixing piece, and the fixing piece is fixedly connected with the stretcher base.

7. The magnetic resonance dedicated nonmagnetic stretcher according to claim 4, wherein the double-lock mechanism includes a push-lock assembly mounted at one end of the movable rod.

8. The magnetic resonance dedicated nonmagnetic stretcher according to claim 7, wherein the push lock assembly comprises a lock plate, a first push lock, a second push lock, a gear member;

the lock piece plate is fixedly connected with the stretcher base, and the first pushing lock piece, the second pushing lock piece and the gear piece are arranged on the lock piece plate;

The gear piece with movable rod is connected, first pushing away the locking piece with the second pushes away the locking piece contact, first pushing away the locking piece with locking piece board fixed connection, the gear piece with first pushing away the locking piece and installing respectively the both ends that the second pushed away the locking piece.

9. The special non-magnetic stretcher of claim 8, wherein the second pushing locking piece is provided with an arc groove and a buckling tooth at two ends, the circumference side of the arc groove of the second pushing locking piece is matched with the circumference side of the first pushing locking piece in shape, the arc groove is arranged on the circumference side of the second pushing locking piece far away from the buckling tooth, and the gear piece is meshed with the tooth of the second pushing locking piece.

10. The magnetic resonance dedicated nonmagnetic stretcher according to claim 1, wherein the stretcher base includes a support table and a guard rail, the movable stretcher is in contact with the support table, the support table is connected with the double-lock mechanism, the guard rail is connected with the support table, and the guard rail is installed on one side where the double-lock mechanism is installed and on two adjacent sides.