CN115887118A - Medical transfer bed driven by ultrasonic motor - Google Patents

Abstract

The present invention is applicable to the technical field of medical equipment, and provides a medical transfer bed driven by an ultrasonic motor, including a transfer frame, a movable bed frame, a movable bed board, a mattress, an air pressure rod, and an ultrasonic motor drive mechanism. The transfer frame includes a horizontal The bottom frame is set; the four corners of the bottom frame are respectively equipped with a wheel with a locking function; the upper surface of the four corners of the bottom frame is respectively fixed with a guide pipe insert; a level is set between the two guide pipe inserts at the same end of the bottom frame The support plate; the two guide pipes at the same end of the base frame are fixed with handles on the outer sides; the movable bed frame includes a bed frame plate; several rectangular through holes are opened on the bed frame plate; a bed head is respectively installed on the upper surfaces of the two ends of the bed frame plate; There are two round waist holes on the head. The ultrasonic motor driving mechanism of the device can safely move the movable bed plate sideways in the nuclear magnetic resonance examination room, and the air pressure rod can be adjusted to adjust the relative height of the movable bed frame. The overall operation is convenient and reliable for transferring patients. .

Description

A medical transfer bed driven by an ultrasonic motor

technical field

The invention relates to the technical field of medical instruments, more specifically, it relates to a medical transfer bed driven by an ultrasonic motor.

Background technique

For patients who cannot move autonomously, during the MRI examination, the patient needs to be transferred from the original hospital bed to the MRI room, and a transfer bed is needed, and patients are usually transferred between beds by lifting and hugging. The whole process takes a long time. In order to save the transfer time of a single patient, the transfer speed is required to be fast, and it is inevitable to cause secondary damage to the patient during the transfer process. In addition, since the special bed for nuclear magnetic resonance is required to be non-magnetic, the transfer bed with a common coil motor cannot directly enter the nuclear magnetic resonance room. The motor will fail when encountering a magnetic field and cannot be driven electrically. Easy to use during transport.

At present, the invention whose publication number is CN113749878A discloses a kind of nuclear magnetic resonance patient transfer vehicle, including vehicle frame, bed frame, bed frame lifting mechanism, brake mechanism and panel moving mechanism, panel moving mechanism includes: sprocket shaft, two driving sprockets, Two driven sprockets, chain positioning mounting block, reel frame and panel; slideway plates are fixedly installed on the upper parts of the front and rear ends of the bed frame, and a plurality of first sliding rollers are installed side by side in the slideway plate, and the front and rear ends of the panel The panel support bar is fixed, and a plurality of second sliding rollers are arranged side by side in the panel support bar; the first sliding roller is in contact with the side of the panel support bar, and the second sliding roller is in contact with the upper and lower sides of the slideway board; the width of the panel is larger than that of the bed shelf width. The invention adopts the mode of manually shaking the sprocket shaft, which can drive the panel to move easily, and complete the transfer of the patient between the transfer vehicle and the hospital bed. Although the height adjustment of the transfer bed can be realized manually, the adjustment flexibility in use is still insufficient.

In order to solve the above problems, the present application document provides a medical transfer bed driven by an ultrasonic motor.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a medical transfer bed driven by an ultrasonic motor. In the nuclear magnetic resonance examination room, the ultrasonic motor drive mechanism can safely move the movable bed board sideways, and the air pressure rod can be adjusted to adjust the movement. The relative height of the bed frame is convenient and reliable for transferring patients as a whole.

To achieve the above object, the present invention provides the following technical solutions:

A medical transfer bed driven by an ultrasonic motor, comprising a transfer vehicle frame, a movable bed frame, a movable bed board, a mattress, an air pressure bar, and an ultrasonic motor drive mechanism, the transfer vehicle frame includes a horizontally arranged underframe; the underframe The four corners of the bottom frame are respectively equipped with a wheel with a locking function; the upper surface of the four corners of the underframe is respectively fixed with a guide pipe insert; a horizontal support is set between the two guide pipe inserts at the same end of the underframe plate; handles are fixed on the outer surfaces of the two guide tubes at the same end of the chassis.

The movable bed frame includes a bed frame plate; several rectangular through holes are opened on the bed frame plate; a headboard is respectively installed on the upper surfaces of both ends of the bed frame plate; two waist-round through holes are opened on the headboard; Four guide grooves are installed on the upper surface of the bed frame board; a plug-in guide assembly is respectively fixed on the four corners of the lower surface of the bed frame board to cooperate with the vertical guide of the guide tube.

The lower surface of the movable bed board is fixed with four guide sliders respectively matched with the four guide grooves.

The two ends of the mattress are respectively provided with two tethers; one end of the tether passes through the waist hole and is connected to the other end of the tether;

The middle part of the horizontal support plate penetrates and fixes the socket base for installing the air pressure rod; the lower surfaces of the two ends of the bed frame board are respectively equipped with a socket upper seat that is plugged with the telescopic upper end of the air pressure rod, and the socket Connect and rotate on the seat and be connected with the operating lever that is used to adjust the expansion and contraction of the air pressure rod.

The ultrasonic motor driving mechanism includes an ultrasonic motor, a screw rod, and a screw rod slider; the ultrasonic motor is installed on the lower surface side of the bed frame; the screw rod slider is installed on the lower surface side of the movable bed board ; The output shaft of the ultrasonic motor is connected to the screw rod through a coupling;

The present invention is further provided that the underframe includes a rectangular frame; several fixed connecting rods are arranged between the opposite inner walls in the length direction of the rectangular frame; bottom sealing plates are fixed on the lower surfaces of the rectangular frame and the plurality of fixed connecting rods; The trough formed by the rectangular frame and the bottom sealing plate is divided into several storage troughs by several fixed connecting rods.

The present invention is further provided that a counterweight is placed in the storage slot.

The present invention is further provided that the guide tube insertion includes a rectangular tube; a riser is fixed between opposite inner walls of the rectangular tube; and a vertical guide round tube is arranged in the middle of the riser.

According to the present invention, the plug-in guide assembly includes two rectangular guide plates arranged in parallel and cooperating with an opposite inner wall of the rectangular tube, and a cylindrical guide rod cooperating with the circular guiding tube.

The present invention is further provided that two fixed pull rings are respectively fixed on the two side surfaces of the mattress.

The advantages of the present invention are:

1. The combination of the transport vehicle frame, movable bed frame, movable bed board, mattress, air pressure rod and ultrasonic motor driving mechanism of the present invention can safely move the movable bed board sideways in the nuclear magnetic resonance examination room by the ultrasonic motor driving mechanism, and the air pressure rod can Adjust the relative height of the movable bed frame, and the overall operation is convenient and reliable for transferring patients.

2. The height adjustment between the transfer frame and the movable bed frame of the present invention uses a pneumatic rod, which is suitable for the environment of the nuclear magnetic resonance examination room, and the adjustment is quick and convenient, and the maintenance cost is low.

3. The transfer vehicle frame, movable bed frame, movable bed board, mattress, air pressure bar, and ultrasonic motor driving mechanism of the present invention adopt a modular structure, and the overall manufacturing cost and maintenance cost are low, reducing costs.

4. A counterweight is placed in the storage slot of the present invention. The counterweight plays a positive role in lowering the center of gravity and facilitates the lateral expansion of the upper part of the transfer vehicle.

Description of drawings

Fig. 1 is a schematic structural diagram of a medical transfer bed driven by an ultrasonic motor according to the present invention.

Fig. 2 is a schematic front view of the present invention.

Fig. 3 is a right side schematic view of the present invention.

Fig. 4 is a schematic diagram of the structure of the present invention in a deployed state.

Fig. 5 is a schematic structural view of the transport frame of the present invention.

FIG. 6 is a partial enlarged view of A in FIG. 5 .

Fig. 7 is a schematic structural view of the movable bed frame of the present invention.

Fig. 8 is a schematic structural view of the mattress of the present invention.

In the figure: 1. Transfer vehicle frame; 2. Movable bed frame; 3. Movable bed board; 4. Mattress; 5. Air pressure rod; 6. Ultrasonic motor drive mechanism; 7. Counterweight; 11. Underframe; 12. Wheels ; 13, guide tube insertion; 14, horizontal support plate; 15, handle; 16, socket base; 111, rectangular frame; 112, fixed connecting rod; 113, bottom sealing plate; 132, vertical plate; 133, guide pipe; 21, bed frame plate; 22, rectangular through hole; 23, bedside; 24, round waist through hole; 25, guide channel; 28, operating rod; 261, rectangular guide plate; 262, cylindrical guide rod; 31, guide slide bar; 41, tether; 61, ultrasonic motor; 62, screw mandrel; 63, screw mandrel slider.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs.

Embodiment one

Referring to Fig. 1-8, the present invention provides the following technical solutions:

Specifically, the present invention includes a transfer vehicle frame 1, a movable bed frame 2, a movable bed board 3, a mattress 4, an air pressure bar 5, and an ultrasonic motor drive mechanism 6. The transfer vehicle frame 1 includes a horizontally arranged underframe 11; A wheel 12 with a locking function is installed at each corner; a guide pipe insert 13 is respectively fixed on the upper surface of the four corners of the underframe 11; a horizontal support plate 14 is arranged between the two guide pipe inserts 13 at the same end of the underframe 11; A handle 15 is fixed on the outer surfaces of the two guide pipe inserts 13 at the same end of the underframe 11 . The bottom frame 11 includes a rectangular frame 111; a number of fixed connecting rods 112 are arranged between the opposite inner walls of the rectangular frame 111 in the length direction; The composed tank body is divided into several storage grooves 114 by several fixed connecting rods 112 .

The movable bed frame 2 includes a bed frame plate 21; a number of rectangular through holes 22 are provided on the bed frame plate 21; a bed head 23 is respectively installed on the upper surfaces of both ends of the bed frame plate 21; two waist round through holes 24 are provided on the bed head 23; Four guide grooves 25 are installed on the upper surface of the bed frame board 21; a plug-in guide assembly 26 that is inserted into the vertical guide of the guide pipe 13 is respectively fixed at the four corners of the bed frame board 21 lower surface.

The guide tube insert 13 includes a rectangular tube 131; a vertical plate 132 is fixed between opposite inner walls of the rectangular tube 131; a vertical guiding circular tube 133 is arranged in the middle of the vertical plate 132 .

The inserting guide assembly 26 includes two rectangular guide plates 261 arranged in parallel and matched with an opposite inner wall of the rectangular tube 131 , and a cylindrical guide rod 262 matched with the guide tube 133 .

The lower surface of the movable bed board 3 is fixed with four guide slide bars 31 which cooperate with the four guide grooves 25 respectively.

Two tethers 41 are arranged at both ends of the mattress 4 respectively; one end of the tether 41 is connected to the other end of the tether 41 after passing through the round waist hole 24 . The two ends of the tether 41 are preferably connected by Velcro.

The middle part of the horizontal support plate 14 runs through and fixes the socket base 16 for installing the air pressure bar 5; Rotation is connected with the operating lever 28 that is used to adjust the expansion and contraction of air pressure stick 5.

Ultrasonic motor driving mechanism 6 comprises ultrasonic motor 61, screw mandrel 62, screw mandrel slider 63; Ultrasonic motor 61 is installed on one side of the lower surface of bed frame board 21; The output shaft of the motor 61 is connected with the screw mandrel 62 through a shaft coupling; A controller for controlling the steering of the ultrasonic motor 61 is installed on the head of the bed 23, and the power supply of the ultrasonic motor 61 is supplied by an external power supply, or an active industrial power supply is installed on the transfer vehicle frame 1.

The first working principle of this embodiment:

For patients whose limbs cannot move independently without trauma, the transfer vehicle frame 1 is moved to the side of the sick bed or examination bed, and the four wheels 12 are locked. Two nurses at the two ends of the transfer vehicle pull the operating lever 28 under the movable bed frame 2 respectively, so that the air pressure rod 5 is in a retractable state. By lifting or pressing the movable bed frame 2 until the upper end of the mattress 4 is flush with the upper end of the hospital bed cushion, and then release the operating lever 28, so that the air pressure rod 5 is stretched out and fixed. Control the ultrasonic motor driving mechanism 6 to extend the movable bed board 3 and the mattress 4 thereon towards the sick bed, and stop when they are fitted together. Directly turn over the patient and place it on the mattress 4. Control the ultrasonic motor driving mechanism 6 to return the movable bed board 3 and the mattress 4 thereon to the movable bed frame 2 . The four wheels 12 of unlocking can be opened and transported. The above is the process of transferring the patient to the transfer bed, and the process of removing the patient from the transfer bed is the opposite, and will not be described again.

For patients whose limbs are traumatized and unable to move independently, the transfer vehicle frame 1 is moved to the side of the sick bed or examination bed, and the four wheels 12 are locked. Two nurses at the two ends of the transfer vehicle pull the operating lever 28 under the movable bed frame 2 respectively, so that the air pressure rod 5 is in a retractable state. By lifting or pressing the movable bed frame 2 until the upper end of the movable bed board 3 is flush with the upper end of the hospital bed cushion, and then the operating rod 28 is released, so that the air pressure rod 5 is stretched out and fixed. The four tethers 41 of the mattress 4 are opened. Control the ultrasonic motor driving mechanism 6 to extend the movable bed board 3 and the mattress 4 thereon towards the sick bed, and stop when they are fitted together. Pull the mattress 4 to one side of the patient's body, slowly turn over the patient's body to place the mattress 4 under it, and then slowly move the patient to the mattress 4 completely. Pull the mattress 4 loaded with the patient onto the movable bed board 3, and control the ultrasonic motor drive mechanism 6 to return the movable bed board 3 and the mattress 4 thereon to the movable bed frame 2. Fasten the four tethers 41 of the mattress 4 again. The four wheels 12 of unlocking can be opened and transported. Then transfer to the side of the examination table. Four wheels 12 are locked. Two nurses at the two ends of the transfer vehicle pull the operating lever 28 under the movable bed frame 2 respectively, so that the air pressure rod 5 is in a retractable state. By lifting or pressing the movable bed frame 2 until the upper end of the movable bed board 3 is flush with the upper end of the hospital bed cushion, and then the operating rod 28 is released, so that the air pressure rod 5 is stretched out and fixed. The four tethers 41 of the mattress 4 are opened. Control the ultrasonic motor driving mechanism 6 to extend the movable bed board 3 and the mattress 4 thereon towards the sick bed, and stop when they are fitted together. The medical staff pulls the mattress 4 and the patient on it to the examination bed. Control the ultrasonic motor driving mechanism 6 to return the movable bed board 3 to the movable bed frame 2 . The four locked wheels 12 are opened to move the transfer vehicle out of the nuclear magnetic resonance chamber. The above is the process of transferring the patient from the hospital bed to the transfer bed and then to the examination bed. The process of transferring from the examination bed to the hospital bed is reversed and will not be repeated here.

In the present invention, through the combination of the transfer vehicle frame 1, the movable bed frame 2, the movable bed board 3, the mattress 4, the air pressure rod 5 and the ultrasonic motor driving mechanism 6, the ultrasonic motor driving mechanism 6 can safely control the side of the movable bed board 3 in the nuclear magnetic resonance examination room. Move operation, and the air pressure rod 5 can be adjusted to adjust the relative height of the movable bed frame 2, and the overall operation is convenient and reliable for transferring patients.

Embodiment two

Please refer to FIGS. 1-4 , the second embodiment is improved as follows on the basis of the first embodiment, specifically, a counterweight 7 is placed in the storage slot 114 . The counterweight 7 plays a positive role in lowering the center of gravity, and facilitates the lateral expansion of the upper part of the transfer vehicle.

Two fixed pull rings are respectively fixed on both sides of the mattress 4, so that the mattress 4 can exert force on the side.

Apparently, the above-described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

The above descriptions are only preferred implementations of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides an use medical transportation bed of supersound motor drive which characterized in that:

the method comprises the following steps:

the transfer vehicle frame (1), wherein the transfer vehicle frame (1) comprises a horizontally arranged bottom frame (11); four corners of the bottom frame (11) are respectively provided with a wheel (12) with a locking function; the upper surfaces of the four corners of the bottom frame (11) are respectively fixed with a guide pipe insert (13); a horizontal support plate (14) is arranged between the two guide pipe inserts (13) at the same end of the bottom frame (11); handles (15) are fixed on the outer side surfaces of the two guide tube inserts (13) at the same end of the underframe (11);

a movable bed frame (2), the movable bed frame (2) comprising a bed frame plate (21); a plurality of rectangular through holes (22) are formed in the bed plate (21); the upper surfaces of two ends of the bed plate (21) are respectively provided with a bed head (23); two waist-round through holes (24) are formed in the bed head (23); four guide channels (25) are arranged on the upper surface of the bed plate (21); the four corners of the lower surface of the bed plate (21) are respectively fixed with an inserting guide assembly (26) which is inserted into the guide pipe plug (13) and is vertically and guide matched with the guide pipe plug;

the lower surface of the movable bed plate (3) is fixedly provided with four guide sliding rods (31) which are respectively matched with the four guide channels (25);

the mattress (4), two tethers (41) are respectively arranged at two ends of the mattress (4); one end of the tether (41) penetrates through the waist circular through hole (24) and then is connected with the other end of the tether (41);

the middle part of the horizontal supporting plate (14) is fixedly penetrated with an inserting base (16) for installing the air pressure bar (5); the lower surfaces of the two ends of the bed plate (21) are respectively provided with an inserting upper seat (27) which is inserted and matched with the telescopic upper end of the air pressure bar (5), the inserting upper seat (27) is rotatably connected with an operating rod (28) used for adjusting the telescopic of the air pressure bar (5),

the ultrasonic motor driving mechanism (6) comprises an ultrasonic motor (61), a screw rod (62) and a screw rod sliding block (63); the ultrasonic motor (61) is arranged on one side of the lower surface of the bed plate (21); the screw rod sliding block (63) is arranged on one side of the lower surface of the movable bed plate (3); the output shaft of the ultrasonic motor (61) is connected with the screw rod (62) through a coupler; the screw rod (62) is in transmission connection with the screw rod sliding block (63).

2. The medical transfer bed driven by an ultrasonic motor according to claim 1, wherein: the chassis (11) comprises a rectangular frame (111); a plurality of fixed connecting rods (112) are arranged between the opposite inner walls of the rectangular frame (111) in the length direction; bottom sealing plates (113) are fixed on the lower surfaces of the rectangular frame (111) and the fixed connecting rods (112); the tank body formed by the rectangular frame (111) and the bottom sealing plate (113) is divided into a plurality of storage tanks (114) by a plurality of fixed connecting rods (112).

3. The medical transfer bed driven by the ultrasonic motor according to claim 2, wherein: the counter weight (7) is placed in the placing groove (114).

4. The medical transfer bed driven by an ultrasonic motor according to claim 1, wherein: the guide tube insert (13) comprises a rectangular tube (131); a vertical plate (132) is fixed between the opposite inner walls of the rectangular tube (131); the middle part of riser (132) sets up the direction pipe (133) of vertical setting.

5. The medical transfer bed driven by the ultrasonic motor according to claim 4, wherein: the inserting guide assembly (26) comprises two rectangular guide plates (261) which are arranged in parallel and matched with the opposite inner walls of the rectangular pipes (131) and cylindrical guide rods (262) matched with the guide circular pipes (133).

6. The medical transfer bed driven by an ultrasonic motor according to claim 1, wherein: two fixed pull rings are respectively fixed on two side surfaces of the mattress (4).

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