CN214343085U

CN214343085U - Prevent pressing sore sick bed

Info

Publication number: CN214343085U
Application number: CN202022865689.8U
Authority: CN
Inventors: 张小玲; 钟跃; 陈叶辉; 沈中秋
Original assignee: Tongxiang First Peoples Hospital
Current assignee: Tongxiang First Peoples Hospital
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-10-08
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a pressure sore prevention sickbed, which comprises a bedstead, wherein a mattress is erected on the bedstead and comprises four sub-mattresses distributed in a shape like the Chinese character 'tian', and the adjacent sub-mattresses are hinged; a lifting mechanism is arranged below the mattress and comprises a motor which is longitudinally arranged, a hydraulic cylinder is horizontally and fixedly arranged on an output shaft of the motor, four L-shaped oil pipes which are positioned on the central axis of the mattress are uniformly distributed around the hydraulic cylinder, a piston and a piston rod in the vertical part of the oil pipe are arranged in the horizontal part of the oil pipe in a sliding manner, and the end part of the piston rod is provided with a lifting frame which is abutted against the bottom of the two adjacent sub-mattresses; a control mechanism connected with the motor and the hydraulic cylinder through wires is also arranged below the mattress; an operation panel communicated with the control mechanism is arranged beside the bed frame. Through above-mentioned structure, realize the automatically regulated of patient's prone position, very big reduction caregiver's intensity of labour, and send the prone position adjustment through control mechanism to nurse's platform and remind, medical personnel can in time observe, prevent that patient from appearing the accident when adjusting the posture.

Description

Prevent pressing sore sick bed

Technical Field

The utility model relates to the field of medical equipment, especially a prevent pressing sore sick bed.

Background

Pressure sores, also known as bedsores, refer to the ulceration and necrosis of soft tissues caused by prolonged pressure on local tissues of the body, blood circulation disorders, and persistent ischemia, hypoxia, and malnutrition. Is commonly seen in patients lying in bed for a long time. The pressure sores cause great harm to the physical and psychological health of patients. The pressure sore prevention has important significance, in order to prevent the pressure sore, the pressure sore prevention has strict requirements on the lying posture of a long-term bedridden patient, and a nursing person needs to turn over the patient at regular time, regulate the holding time of a specific posture and the like. However, the conventional turning operation is manually performed by a caregiver, which is labor-intensive when the caregiver turns over the patient and easily misses the specified optimal holding time.

SUMMERY OF THE UTILITY MODEL

In view of the above insufficiency, the utility model aims to provide a prevent pressing sore sick bed can adjust patient's bed posture through adjusting the bed body state, still possesses regularly to remind the function simultaneously.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a pressure sore prevention sickbed comprises a bedstead, wherein a mattress is erected on the bedstead and comprises four sub-mattresses distributed in a shape like a Chinese character 'tian', and the adjacent sub-mattresses are hinged with each other; a lifting mechanism is arranged below the mattress and comprises a motor which is longitudinally arranged, a hydraulic cylinder is horizontally and fixedly arranged on an output shaft of the motor, four L-shaped oil pipes which are positioned on the central axis of the mattress are uniformly distributed around the hydraulic cylinder, a piston and a piston rod in the vertical part of the oil pipe are arranged in the horizontal part of the oil pipe in a sliding manner, and the end part of the piston rod is provided with a lifting frame which is abutted against the bottom of the two adjacent sub-mattresses; a control mechanism connected with the motor and the hydraulic cylinder through wires is also arranged below the mattress; an operation panel communicated with the control mechanism is arranged beside the bed frame.

Further, the end part of the jacking frame is rotatably provided with a roller.

Further, an oil filling valve communicated with the interior of the oil pipe is arranged on the oil pipe.

Furthermore, at least one guide rail is arranged on the inner wall of the oil pipe, and the guide rail is arranged in parallel with the central axis of the oil pipe; and guide grooves matched with the guide rails are arranged on the side surfaces of the piston and the piston rod, which are contacted with the inner wall of the oil pipe.

The working principle is as follows: when a patient lies in bed for a long time and needs to turn over at regular time, a caregiver inputs an instruction into the control mechanism through the operation panel, the control mechanism after receiving the instruction drives the motor to rotate to a set position at regular time, then the piston rod of the driving hydraulic cylinder extends out and pushes the piston in the oil pipe forwards, the piston rod can only move upwards to withdraw from the oil pipe when the piston moves forwards due to the fact that hydraulic oil in the oil pipe is not compressible, and the lifted piston rod drives the jacking frame at the end of the piston rod to jack up the two pieces of sub-mattresses in contact with the jacking frame to a set angle. The patient then completes a change of the bed position. When the bedridden posture of the patient in one posture reaches the set value, the control mechanism sends an instruction to the hydraulic cylinder again, and the telescopic rod of the hydraulic cylinder returns to the initial position, namely the telescopic rod exits from the oil pipe. And in the process that the telescopic rod retreats backwards, the piston rod descends under the action of the weight of the bed separating cushion and the patient. Finally, the sub-mattresses return to the horizontal position. When the hydraulic cylinder returns to the initial position, the control mechanism drives the motor to rotate for a certain angle again and then reach the preset position, and then the control mechanism controls the hydraulic cylinder to repeat the operation to realize the lifting of the split mattress, so that the reciprocating is realized, and the aim of regularly adjusting the lying posture of the patient is fulfilled.

Has the advantages that: through above-mentioned structure, realize the automatically regulated of patient prone position, very big reduction caregiver's intensity of labour.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the lifting separated mattress of the present invention;

fig. 4 is a sectional view of fig. 3.

Reference numerals: 1. the bed frame 2, the mattress 21, the sub-mattress 3, the lifting mechanism 31, the motor 32, the hydraulic cylinder 33, the oil pipe 331, the guide rail 34, the piston 35, the piston rod 36, the jacking frame 37, the roller 38, the oiling valve 39, the guide groove 4, the control mechanism 5, the operation panel 51, the liquid crystal display screen 52, the time adjusting button 53, the start/stop switch 54, the lifting angle adjusting button 55 and the alarm eliminating button.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The pressure sore prevention sickbed shown in fig. 1-4 comprises a bedstead 1, and a one-piece mattress 2 is erected on the bedstead. Specifically, the mattress is composed of four sub-mattresses 21 distributed in a shape like a Chinese character tian, and two adjacent sub-mattresses are hinged with each other, so that the two connected sub-mattresses can be turned over synchronously by using the central axis of the mattress as a rotating shaft. A lifting mechanism 3 capable of turning the mattress is arranged below the mattress 2. Specifically, the lifting mechanism includes a longitudinally arranged motor 31 (the motor adopts a servo motor or a stepping motor with a relatively precise rotation angle), a hydraulic cylinder 32 is fixedly installed at the end part of an output shaft of the motor, and four L-shaped oil pipes 33 are uniformly distributed around the hydraulic cylinder. It should be noted that the four oil pipes are respectively located on the central axis of the mattress in the length direction and the width direction, and a piston 34 and a piston rod 35 are slidably fitted in the oil pipes. Wherein the piston is located in the horizontal part of the oil pipe and the piston rod is located in the vertical part of the oil pipe. The oil pipe is positioned in a cavity between the piston and the piston rod and is used for injecting hydraulic oil. It should be noted that, the principle of the hydraulic oil addition amount in the oil pipe is that when the piston is located at the outermost side of the oil pipe, the bottom of the piston rod does not enter the horizontal part of the oil pipe, so as to ensure the sealing property between the piston rod and the oil pipe. In addition, a lifting frame 36 is arranged at the end of the piston rod, and the lifting frame is rake-shaped and contacts with two adjacent separate mattresses. Simultaneously, the tip of jacking frame and branch mattress butt is the smooth surface to guarantee that the jacking frame can smooth and easy relative slip between mattress and the jacking frame when the jacking divides the mattress. In a specific operation, the rising angle of the sub-mattress is adjusted through the rising height of the piston rod. And the lifting angle range of the sub-mattress is 0-90 degrees. Meanwhile, a control mechanism 4 capable of controlling the rotation angle of the motor and the extension length of the hydraulic cylinder is arranged below the mattress. Specifically, the control mechanism adopts a single chip microcomputer control principle, and the adopted control chip can be an STM32 series single chip microcomputer, an MSP430 series single chip microcomputer and the like. The control unit and the nurse station may be connected by a wire or wirelessly. When the setting is achieved, the control unit synchronously sends a prompt signal to the nurse station to remind medical staff to observe whether the prone position of the patient on the bed is correct or not. In addition, in order to realize human-computer interaction, it is convenient the utility model discloses a control. An operation panel 5 is provided at a side of the frame. Specifically, the operation panel has a liquid crystal display screen 51, a time adjustment button 52, an on/off switch 53, a lift angle adjustment button 54, and an alarm cancel button 55. Wherein, time adjustment button 52 is used for adjusting the time interval of changing the prone position, and start/stop switch 53 is used for starting to close the utility model discloses, lifting angle adjustment button 54 is used for the adjustment the utility model discloses lift the angle of dividing the mattress at every turn, and this warning signal that is used for eliminating nurse's platform of alarm elimination button 55.

As a further improvement to the above embodiment, rollers 37 are rotatably provided at the ends of the lifting frame 36 in order to reduce wear on the split mattress during lifting.

As a further modification of the above embodiment, in order to facilitate the adjustment of the amount of hydraulic oil in the oil pipe, a filler valve 38 is provided on the wall of the oil pipe in communication with the inside of the oil pipe.

As a further improvement of the above embodiment, the piston and the piston rod are prevented from rotating relatively in the oil pipe, thereby affecting the normal operation of the present invention. At least one guide rail 331 is disposed on the inner wall of the oil pipe. It should be noted that the guide rail is arranged parallel to the central axis of the oil pipe. And the side surfaces of the piston and the piston rod, which are contacted with the inner wall of the oil pipe, are provided with guide grooves 39 matched with the guide rails.

Claims

1. The utility model provides a prevent pressing sore sick bed which characterized in that: comprises a bedstead, wherein a mattress is erected on the bedstead and comprises four sub-mattresses distributed in a shape like a Chinese character tian, and the adjacent sub-mattresses are hinged with each other; a lifting mechanism is arranged below the mattress and comprises a motor which is longitudinally arranged, a hydraulic cylinder is horizontally and fixedly arranged on an output shaft of the motor, four L-shaped oil pipes which are positioned on the central axis of the mattress are uniformly distributed around the hydraulic cylinder, a piston and a piston rod in the vertical part of the oil pipe are arranged in the horizontal part of the oil pipe in a sliding manner, and the end part of the piston rod is provided with a lifting frame which is abutted against the bottom of the two adjacent sub-mattresses; a control mechanism connected with the motor and the hydraulic cylinder through wires is also arranged below the mattress; an operation panel communicated with the control mechanism is arranged beside the bed frame.

2. The pressure sore prevention hospital bed as claimed in claim 1, wherein: the end part of the jacking frame is rotatably provided with a roller.

3. The pressure sore prevention hospital bed as claimed in claim 1, wherein: and the oil pipe is provided with an oil filling valve communicated with the interior of the oil pipe.

4. The pressure sore prevention hospital bed as claimed in claim 1, wherein: at least one guide rail is arranged on the inner wall of the oil pipe, and the guide rail is arranged in parallel with the central axis of the oil pipe; and guide grooves matched with the guide rails are arranged on the side surfaces of the piston and the piston rod, which are contacted with the inner wall of the oil pipe.