CN111920609B

CN111920609B - Bed of changing dressings convenient to belly is changed dressings

Info

Publication number: CN111920609B
Application number: CN202010819338.5A
Authority: CN
Inventors: 陈琳
Original assignee: First Affiliated Hospital of PLA Military Medical University
Current assignee: First Affiliated Hospital of PLA Military Medical University
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-29
Anticipated expiration: 2040-08-14
Also published as: CN111920609A

Abstract

The invention relates to the field of medical sickbeds and discloses a dressing change bed convenient for abdominal dressing change, which comprises a bed frame, wherein a left bed board and a right bed board are arranged on the bed frame, the left bed board is hinged with the right bed board, a left mattress and a right mattress are respectively arranged on the left bed board and the right bed board, a right expansion unit is fixedly connected to the right mattress, and the right expansion unit comprises a plurality of right expansion air bags; the lower side of the bedstead is provided with an inflating mechanism used for inflating the right expansion unit, the inflating mechanism comprises an inflating tube, the inflating tube is communicated with a plurality of inflating branch tubes I, the inflating branch tubes I are provided with control valves I, and one ends of the inflating branch tubes I, far away from the inflating tube, are respectively communicated with the corresponding right expansion airbags. According to the invention, the volume of the right expansion air bag of the right expansion unit is increased after the right expansion air bag is inflated, the back waist of the patient is pushed to leave the right mattress, so that a space is reserved between the back waist of the patient and the right mattress, the medical staff can change the medicine conveniently, the patient can be prevented from independently exerting force and the medical staff can be prevented from lifting the abdomen of the patient, and the working efficiency of the medical staff is improved.

Description

Bed of changing dressings convenient to belly is changed dressings

Technical Field

The invention relates to the field of medical sickbeds, in particular to a dressing change bed convenient for dressing change at the abdomen.

Background

The patient is in hospital, the postoperative all needs to lie on the sick bed to have a rest, the current sick bed can rotate the angle of adjustment, so that the patient lies on the sick bed obliquely, thereby being convenient for the patient to eat or move the patient's body, however, if the patient's abdomen has an operation wound or other wounds, when dressing change is carried out to the patient's abdomen wound, the patient needs to independently exert force to lift the abdomen or medical personnel to exert force to lift the patient's abdomen, so that a space is left between the patient's back waist and the sick bed, so that the medical personnel take down the bandage from the patient's waist, after dressing change, a new bandage is wound on the patient's waist, in the process, if the patient independently exerts force to lift the abdomen, the abdominal muscle is tensed, the wound is easily split, the healing period of the wound is prolonged, and the pain of the patient is aggravated, and if the medical personnel exert force to lift the patient's abdomen, because the time of, medical personnel lift up patient's abdomen the time longer, will consume medical personnel's physical power in a large number, increase medical personnel's the degree of fatigue to, need two medical personnel cooperations to go on at least when changing dressings, one medical personnel lifts up patient's abdomen portion, and another medical personnel takes off or twines the bandage, has reduced medical personnel's work efficiency.

Disclosure of Invention

The invention aims to provide a dressing change bed convenient for abdominal dressing change, and aims to solve the problem that the working efficiency of medical staff is reduced due to the fact that a wound is cracked due to the fact that a patient needs to exert force autonomously when abdominal dressing change is carried out or medical staff needs to change dressings cooperatively.

In order to achieve the purpose, the invention adopts the following technical scheme: a dressing change bed convenient for abdominal dressing change comprises a bed frame, wherein a left bed board and a right bed board are arranged on the bed frame, the left bed board is hinged with the right bed board, a left mattress and a right mattress are respectively and fixedly arranged on the left bed board and the right bed board, a right expansion unit is fixedly connected on the right mattress, and the right expansion unit comprises a plurality of right expansion air bags; the lower part of the bedstead is provided with an inflating mechanism used for inflating the right expansion unit, the inflating mechanism comprises an inflating tube, the inflating tube is communicated with a plurality of inflating branch tubes I, the inflating branch tubes I are provided with control valves I, and one ends of the inflating branch tubes I, far away from the inflating tube, are respectively communicated with the corresponding right expansion airbags.

The principle and the advantages of the scheme are as follows: during the in-service use, medical personnel can aerify through the right inflation unit of mechanism of aerifing, make the increase of the volume of the right inflation gasbag in the right inflation unit, the back waist that promotes the patient leaves right mattress, thereby leave the space between patient's back waist and right mattress, make things convenient for medical personnel to change dressings, avoid the patient independently to exert oneself and raise the belly and lead to the wound to split open, also avoided many medical personnel's cooperation to change dressings to the patient, medical personnel's work efficiency is improved, alleviate medical personnel's the degree of fatigue. Moreover, in this scheme, medical personnel can inflate the switching of control valve I on the branch pipe I through the control to control right inflation cell in the expanded quantity and the position of right inflation gasbag body, thereby realize assisting the patient and become the function that the side was lain by flat lying, and, when the patient was flat lain, can push patient's back after the expansion of right inflation gasbag, thereby massage patient's back, for the patient muscles and tendons are tired, improve patient's comfort level.

Preferably, as an improvement, fixedly connected with left inflation unit on the left mattress, left inflation unit includes a plurality of left inflation gasbag, the gas tube intercommunication has a plurality of branch of aerifing II, aerifys and installs control valve II on the branch II, aerifys branch II and keeps away from the one end of gas tube and communicates with the left inflation gasbag that corresponds respectively.

In this scheme, set up left inflation unit on left mattress, and through control valve II control left inflation gasbag inflation quantity and position on the inflation branch pipe II, thereby make left inflation unit can enough promote patient's buttock and leave left mattress, right inflation unit makes the space of leaving between patient's back waist and the right mattress bigger in coordination, the medical personnel of being more convenient for change dressings to the patient, can push patient's buttock again, the shank, thereby massage patient's buttock and shank, alleviate patient tired out, further improve patient's comfort level.

Preferably, as an improvement, the inflation mechanism comprises a driving motor and a box body, a piston is connected in the box body in a sliding manner, the box body is divided into a left cavity and a right cavity by the piston, the left cavity is communicated with an air inlet pipe and an air release pipe, one end, far away from the right expansion unit, of the air inlet pipe is communicated with the left cavity, a first one-way valve for guiding air into the left cavity is installed on the air inlet pipe, a second one-way valve for guiding air out of the left cavity is installed on the air inlet pipe, and the air release pipe is provided with an air release valve; a cam and a plurality of elastic pieces for pushing the piston are arranged in the right cavity, and two ends of each elastic piece are respectively connected with the inner side wall of the right cavity and the piston; the output end of the driving motor is fixedly connected with a driving shaft, a driven shaft is arranged beside the driving shaft, the cam is fixedly connected to the driven shaft, and the driving shaft and the driven shaft are driven through a transmission assembly.

In this scheme, drive the driving shaft through driving motor and rotate, utilize transmission assembly to drive the driven shaft and rotate, and then make cam intermittent type nature promote the piston and slide for the volume and the interior pressure continuous variation of left cavity inhale left cavity with external air in the intake pipe, discharge in the gas tube again, thereby realize aerifing to left inflation gasbag and/or right inflation gasbag. And, medical personnel or other personnel can be through the release valve on the control release pipe to the disappointing of control left inflation gasbag and/or right inflation gasbag, thereby realize the massage to the patient, alleviate patient's tired out.

Preferably, as an improvement, the transmission assembly includes a driving tooth and a first driven tooth, the driving tooth is coaxially and fixedly connected to the driving shaft, the first driven tooth is coaxially and fixedly connected to the driven shaft, and the driving tooth is meshed with the first driven tooth.

In this scheme, through the drive gear in the control drive assembly and the drive ratio of first driven tooth, can control the rotational speed of driven shaft to make the rotational speed of driven shaft suitable, avoid the driven shaft rotational speed to hang down excessively or too high.

Preferably, as an improvement, the bed frame is fixedly connected with an upper transverse plate, the bed frame is vertically and slidably connected with a lower transverse plate, a ball screw pair is arranged between the upper transverse plate and the lower transverse plate, and a nut of the ball screw pair is fixedly connected with the upper transverse plate; the below of ball screw pair's lead screw is equipped with the telescopic link of vertical setting, and the telescopic link includes interior pole and outer pole, interior pole and outer pole along axial sliding connection, the top and the lead screw fixed connection of interior pole, go up the diaphragm and set up the through-hole that supplies the lead screw to pass, the top of lead screw offsets with the bottom surface of right bed board, outer pole coaxial fixedly connected with can with the driven tooth of the second of initiative tooth meshing, the outer pole passes through the bearing and rotates to be connected in diaphragm down, the supporting shoe that is used for supporting diaphragm down is placed to the below of diaphragm down.

In this scheme, when the patient need the feed, the diaphragm under the supporting shoe supports, make diaphragm lapse, lower diaphragm area outer pole rebound, the driven tooth of second and the meshing of initiative tooth, start driving motor, make the outer pole take place to rotate, and outer pole and interior pole along axial sliding connection, therefore, interior pole rotates along with the outer pole, drive the lead screw and rotate, again because nut fixed connection is in last diaphragm, therefore, upwards remove when the lead screw pivoted, promote right bed board anticlockwise rotation, thereby make the patient become the recumbent by the tie, be convenient for the patient to feed and be convenient for the patient and carry out other activities.

Preferably, as an improvement, the top fixedly connected with horizontal pole of lead screw, the equal fixedly connected with gyro wheel in both ends of horizontal pole.

In this scheme, at the top fixed connection horizontal pole of lead screw to at the both ends fixed connection gyro wheel of horizontal pole, increase the stress point of right bed board, make right bed board more stable at the rotation in-process. And the resistance that the gyro wheel can reduce right bed board and rotate the in-process and receive, no longer directly offsets between lead screw and the right bed board moreover, avoids the top of lead screw and the impaired bottom surface of right bed board.

Preferably, as an improvement, the left and right inflatable air bags are respectively adhered to the left and right mattresses by hook and loop fasteners.

In this scheme, because left inflation gasbag passes through the magic and pastes the bonding on left mattress, right inflation gasbag passes through the magic and pastes the bonding on right mattress, consequently, be convenient for medical personnel or other personnel take off left inflation gasbag and right inflation gasbag from left mattress and right mattress, put back after the cleanness, or with the damaged gasbag of new gasbag replacement.

Preferably, as an improvement, the inflation branch pipe I and the inflation branch pipe II are both fixedly connected with identification pieces.

In this scheme, all design the identification piece on inflating branch pipe I and inflating branch pipe II to medical personnel or other personnel know and inflate branch pipe I and inflate right inflation gasbag and the left inflation gasbag that II correspond of branch pipe, thereby correctly just inflate specific right inflation gasbag and left inflation gasbag fast.

Preferably, as an improvement, the bed frame is horizontally connected with an operating platform in a sliding manner, the operating platform is positioned above the left mattress, a shadowless lamp is fixedly installed on the operating platform, and a sunken part is arranged on the operating platform.

In this scheme, the operation panel slides for the operation panel is close to or keeps away from the patient, and when changing dressings, will change in the required article places the portion of sinking on the operation panel like medicine and bandage, makes things convenient for medical personnel to take, and opens the shadowless lamp, so that medical personnel can see patient's wound more clearly, helps changing dressings. In addition, the operation table can be used as a dining table to facilitate the patient to eat food at ordinary times.

Preferably, as an improvement, a drainage bag hook is fixedly connected to the bedstead.

In this scheme, hang the drainage bag on drainage bag hook, make things convenient for getting of drainage bag to put.

Drawings

FIG. 1 is a front sectional view of a dressing change bed for facilitating abdominal dressing change in accordance with an embodiment of the present invention;

FIG. 2 is a front sectional view of a dressing change bed for facilitating abdominal dressing change in accordance with a second embodiment of the present invention;

fig. 3 is a schematic structural view of the ball screw assembly of fig. 2 located under the frame.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the bed frame comprises a bed frame 1, a left bed board 2, a right bed board 3, a left mattress 4, a right mattress 5, a left expansion air bag 6, a right expansion air bag 7, an inflation pipe 8, an inflation branch pipe I9, an inflation branch pipe II 10, a control valve I11, a control valve II 12, a driving motor 13, a box body 14, a piston 15, a left chamber 16, a right chamber 17, an air inlet pipe 18, an air release pipe 19, a cam 20, an elastic piece 21, a mounting bracket 22, a driving shaft 23, a driven shaft 24, a driving tooth 25, a first driven tooth 26, an operation table 27, a support plate 28, a shadowless lamp 29, a sunken part 30, a drainage bag hook 31, an upper transverse plate 32, a lower transverse plate 33, a nut 34, a screw rod 35, an inner rod 36, an outer rod 37, a transverse rod 38, a roller 39, a second.

Example one

This embodiment is substantially as shown in fig. 1: the utility model provides a bed of changing dressings convenient to belly is changed dressings, includes bedstead 1, has laid left bed board 2 and right bed board 3 on the bedstead 1, and left bed board 2 is articulated with right bed board 3, and in this embodiment, it can realize through the hinge to articulate. On left bed board 2 and the right bed board 3 respectively fixed mounting have left mattress 4 and right mattress 5, in this embodiment, left mattress 4 and right mattress 5 all paste respectively on left bed board 2 and right bed board 3 through the magic subsides.

A left expansion unit is adhered to the left mattress 4 through a magic tape and comprises a plurality of left expansion air bags 6, in the embodiment, 15 left expansion air bags 6 are arranged, and the left expansion air bags are divided into five rows on average; the right mattress 5 is gone up and is pasted through the magic and has had the right expansion cell, and the right expansion cell includes a plurality of right expansion gasbag 7, and in this embodiment, right expansion gasbag 7 has 12, and evenly divide into four rows. An inflation mechanism used for inflating the left expansion unit and the right expansion unit is arranged below the bedstead 1, the inflation mechanism comprises an inflation tube 8, the inflation tube 8 is communicated with inflation branch tubes I9 with the same number as the right expansion airbags 7 and inflation branch tubes II 10 with the same number as the left expansion airbags 6, control valves I11 are mounted on the inflation branch tubes I9, one ends, far away from the inflation tube 8, of the inflation branch tubes I9 are respectively communicated with the corresponding right expansion airbags 7, control valves II 12 are mounted on the inflation branch tubes II 10, one ends, far away from the inflation tube 8, of the inflation branch tubes II 10 are respectively communicated with the corresponding left expansion airbags 6, in the embodiment, the right bed plate 3 and the right mattress 5 are respectively provided with a channel I for the inflation branch tube I9 to pass through, and the left bed plate 2 and the left mattress 4 are respectively provided with a channel II for the inflation; and the inflation branch pipe I9 and the inflation branch pipe II 10 are both hoses.

Aerify and all fixedly connected with identification plate (not drawn) on branch pipe I9 and the branch pipe II 10 of aerifing to other personnel behind the medical personnel know and aerify branch pipe I9 and aerify the right inflation gasbag 7 and the left inflation gasbag 6 that branch pipe II 10 corresponds, thereby correctly and inflate specific right inflation gasbag 7 and left inflation gasbag 6 fast.

The inflation mechanism further comprises a driving motor 13 and a box body 14, a piston 15 is connected in the box body 14 in a sliding mode, the piston 15 divides the box body 14 into a left cavity 16 and a right cavity 17 which are independent, the left cavity 16 is communicated with an air inlet pipe 18 and an air release pipe 19, one end, far away from a right expansion unit, of the inflation pipe 8 is communicated with the left cavity 16, a first one-way valve which guides air into the left cavity 16 is installed on the air inlet pipe 18, a second one-way valve which guides air out of the left cavity 16 is installed on the inflation pipe 8, and an air release valve is installed on the air release pipe; a cam 20 and a plurality of elastic members 21 for pushing the piston 15 are arranged in the right chamber 17, two ends of each elastic member 21 are respectively connected with the inner side wall of the right chamber 17 and the piston 15, in this embodiment, the number of the elastic members 21 is two, and the elastic members 21 are springs.

The driving motor 13 is reversely mounted on the bed frame 1 through a mounting bracket 22, and the mounting bracket 22 is fixedly connected with the bed frame 1. The output end fixedly connected with driving shaft 23 of driving motor 13, the other driven shaft 24 that is equipped with of driving shaft 23, cam 20 fixed connection is in driven shaft 24, driven shaft 24 passes through the bearing and rotates the lateral wall of connecting in right cavity 17, through the transmission of drive assembly between driving shaft 23 and the driven shaft 24, the transmission assembly includes drive tooth 25 and first driven tooth 26, the coaxial fixed connection of drive tooth 25 is in driving shaft 23, the coaxial fixed connection of first driven tooth 26 is in driven shaft 24, drive tooth 25 and the meshing of first driven tooth 26.

An operation table 27 is horizontally and slidably connected to the bed frame 1, specifically, two side walls of the bed frame 1 are provided with sliding grooves, a support plate 28 is fixedly connected to the operation table 27, and the bottom end of the support plate 28 is slidably connected to the sliding grooves. The operation table 27 is positioned above the left mattress 4, the shadowless lamp 29 is fixedly mounted on the operation table 27, and the operation table 27 is provided with a sunken part 30. The bedstead 1 is fixedly connected with a drainage bag hook 31 so as to hang the drainage bag.

The specific implementation process is as follows: when a patient needs to change medicine, the medical staff determines that the air release valve on the air release pipe 19 is in a closed state, then, the driving motor 13 is started, the driving shaft 23 is driven by the driving motor 13 to rotate, the driving tooth 25 is meshed with the first driven tooth 26, therefore, the driven shaft 24 is driven by the first driven tooth 26 to rotate, the cam 20 on the driven shaft 24 rotates, then, the piston 15 slides in a left-right reciprocating mode under the combined action of the cam 20 and the elastic piece 21, the volume and the internal pressure of the left cavity 16 are changed constantly, when the volume of the left cavity 16 is increased gradually, external air enters the left cavity 16 through the air inlet pipe 18, and when the volume of the left cavity 16 is decreased gradually, air in the left cavity 16 is discharged through the air filling pipe 8.

Then, medical personnel open control valve I11 on the branch pipe I9 is aerifyd to the part, and control valve II 12 on the branch pipe II 10 is aerifyd to the right inflation gasbag 7 that patient's back waist or back department correspond, and the left inflation gasbag 6 that patient's buttock corresponds is aerifyd, make this part right inflation gasbag 7 and the inflation of left inflation gasbag 6, the increase in size, promote patient's back waist or back department, and patient's buttock rebound, thereby make patient's belly raise, then, leave the space between patient's back waist and the right mattress 5, make things convenient for medical personnel to take off the bandage of winding at patient's abdomen, after changing dressings, twine new bandage at patient's abdomen, medical personnel's work efficiency is improved, alleviate medical personnel's tired degree.

In the process, when the expansion of the right expansion air bag 7 and the left expansion air bag 6 enables the space reserved between the back waist of the patient and the right mattress 5 to be enough, the medical personnel can close the driving motor 13 to avoid overlarge volume expansion of the right expansion air bag 7 and the left expansion air bag 6. After the medical staff finishes the dressing change work, the air release valve on the air release pipe 19 is opened to enable the inside of the left cavity 16 to be communicated with the outside, the control valve I11 on the inflation branch pipe I9 and the control valve II 12 on the inflation branch pipe II 10 are opened, then, the air in the right expansion air bag 7 and the air in the left expansion air bag 6 respectively flow back to the inflation pipe 8 through the inflation branch pipe I9 and the inflation branch pipe II 10 and flow back to the left cavity 16, finally the air is discharged through the air release pipe 19, the right expansion air bag 7 and the left expansion air bag 6 are restored to the original state, and the patient lies on the left mattress 4 and the right mattress 5 horizontally again.

When medical personnel change dressings, can place the required article of changing dressings such as medicine, bandage in the portion 30 that sinks of operation panel 27 to love interactive operation panel 27 is, make operation panel 27 be close to the patient, make things convenient for medical personnel to get and put medicine and bandage etc.. Moreover, in the dressing change process, the medical staff turns on the shadowless lamp 29 on the operating table 27 to illuminate the wound on the abdomen of the patient, so that the medical staff can see the wound clearly, and the dressing change device is more favorable for cleaning the wound and changing dressings.

Whole in-process of changing dressings, the patient needn't independently exert oneself and lift up the belly, has avoided the belly muscle to tighten to avoid the wound to collapse and split, simultaneously, need not many medical personnel's cooperation and change dressings to the patient, improve medical personnel's work efficiency, alleviate medical personnel's the tired degree.

In addition, when the patient lies comparatively difficult but can not walk on the ground after lying for a long time, can massage the patient through the bed of changing dressings in this embodiment, for the patient muscles and tendons are relaxed, concrete operation is as follows: and determining that the air release valve on the air release pipe 19 is in a normally closed state, and opening the control valve I11 on the inflation branch pipe I9 and the control valve II 12 on the inflation branch pipe II 10. The driving motor 13 is started, the driving shaft 23 is driven to rotate by the driving motor 13, the driving shaft 23 drives the driven shaft 24 to rotate through the transmission assembly, the cam 20 further rotates, the piston 15 slides in a left-right reciprocating mode under the action of the cam 20 and the elastic piece 21, the volume and the internal pressure of the left cavity 16 are constantly changed, outside air is sucked into the left cavity 16 and then discharged through the inflation tube 8, all the left expansion air bags 6 and all the right expansion air bags 7 are inflated, and all the left expansion air bags 6 and all the right expansion air bags 7 are inflated to push the back, the back waist, the hip and the legs of a patient. After all the left and right inflatable air bags 6 and 7 are inflated for a period of time (in this embodiment, the period of time is 6s), the air release valve on the air release pipe 19 is opened, so that the air in the left and right inflatable air bags 6 and 7 is exhausted, and the volume of all the left and right inflatable air bags 6 and 7 is reduced, and the patient is not pushed any more; then, close the snuffle valve on the snuffle pipe 19 again for in gas can get into left inflation gasbag 6 and right inflation gasbag 7, the patient is pushed out after left inflation gasbag 6 and right inflation gasbag 7 expand once more, constantly repeats above-mentioned operation, makes left inflation gasbag 6 and right inflation gasbag 7 constantly inflate and deflate, thereby realizes the massage to the patient, for the patient relaxs the muscles and tendons to recover, improves patient's comfort level.

Example two

The difference between the present embodiment and the first embodiment is: as shown in fig. 2 and 3, an upper horizontal plate 32 is fixedly connected to the bed frame 1, a lower horizontal plate 33 is vertically slidably connected to the bed frame 1, a ball screw pair is disposed between the upper horizontal plate 32 and the lower horizontal plate 33, and a nut 34 of the ball screw pair is fixedly connected to the upper horizontal plate 32. The below of ball screw pair's lead screw 35 is equipped with the telescopic link of vertical setting, and the telescopic link includes interior pole 36 and outer pole 37, and interior pole 36 is connected along axial sliding with outer pole 37, specifically, in this embodiment, interior pole 36 is along axial fixedly connected with draw runner, and the gliding spout of confession draw runner is seted up along the axial to outer pole 37's internal perisporium.

The top end of the inner rod 36 is fixedly connected with the screw rod 35, the upper transverse plate 32 is provided with a through hole for the screw rod 35 to pass through, the top end of the screw rod 35 is fixedly connected with a cross rod 38, two ends of the cross rod 38 are fixedly connected with idler wheels 39, and the idler wheels 39 are abutted against the bottom surface of the right bed plate 3. The outer rod 37 is coaxially and fixedly connected with a second driven tooth 40 which can be meshed with the driving tooth 25, the outer rod 37 is rotatably connected to the lower transverse plate 33 through a bearing, the bearing is fixedly connected with the lower transverse plate 33, and a supporting block 41 for supporting the lower transverse plate 33 is placed below the lower transverse plate 33.

In this embodiment, when the patient needs to eat food, or the patient wants to change from lying to lying, the patient's family members can slide the lower horizontal plate 33 upward, and place the supporting block 41 under the lower horizontal plate 33, so that the supporting block 41 supports the lower horizontal plate 33, and when the lower horizontal plate 33 slides upward, the patient's family members can carry the outer rod 37 to move upward until the second driven teeth 40 on the outer rod 37 are engaged with the driving teeth 25. Then, the air release valve on the air release pipe 19 is ensured to be in an open state, so that the left chamber 16 is communicated with the outside, then, the driving motor 13 is started, the driving gear 25 on the driving shaft 23 is driven by the driving motor 13 to rotate, the driving gear 25 is meshed with the second driven gear 40, so that the second driven gear 40 drives the outer rod 37 to rotate, and the outer rod 37 is axially and slidably connected with the inner rod 36, so that the inner rod 36 drives the screw rod 35 to rotate, in the process, as the nut 34 is fixedly connected with the upper transverse plate 32, the screw rod 35 rotates and moves upwards at one side, so that the cross rod 38 is driven to move upwards, and the right bed plate 3 is further pushed to rotate anticlockwise around the hinged position of the right bed plate 3 and the left bed plate 2, so that the patient lies flat or lies obliquely.

When the right bed board 3 rotates counterclockwise to a certain angle, the driving motor 13 is turned off to stop the right bed board 3 at the angle. When a patient needs to lie down, the driving motor 13 is started, the driving shaft 23 is driven by the driving motor 13 to rotate reversely, so that the screw rod 35 rotates reversely, the screw rod 35 moves downwards while rotating reversely, and the driving motor 13 is turned off until the right bed plate 3 rotates clockwise and resets. Finally, it should be noted that, when changing the medicine, before inflating the left expansion unit and/or the right expansion unit, the supporting block 41 needs to be taken out, so that the lower transverse plate 33 slides downwards, so that the second driven tooth 40 is not engaged with the driving tooth 25, otherwise, when inflating the left expansion unit and/or the right expansion unit, the right bed plate 3 will rotate counterclockwise, thereby affecting the medical staff to change the medicine for the patient.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a bed of changing dressings convenient to belly is changed dressings, includes the bedstead, has laid left bed board and right bed board on the bedstead, and left bed board is articulated with right bed board, its characterized in that: a left mattress and a right mattress are respectively and fixedly arranged on the left bed board and the right bed board, a right expansion unit is fixedly connected to the right mattress, and the right expansion unit comprises a plurality of right expansion air bags; an inflation mechanism used for inflating the right expansion unit is arranged below the bedstead and comprises an inflation tube, the inflation tube is communicated with a plurality of inflation branch tubes I, control valves I are mounted on the inflation branch tubes I, and one ends, far away from the inflation tube, of the inflation branch tubes I are respectively communicated with the corresponding right expansion airbags; the left mattress is fixedly connected with a left expansion unit, the left expansion unit comprises a plurality of left expansion air bags, the inflation tube is communicated with a plurality of inflation branch tubes II, control valves II are mounted on the inflation branch tubes II, and one ends, far away from the inflation tube, of the inflation branch tubes II are respectively communicated with the corresponding left expansion air bags;

the inflation mechanism comprises a driving motor and a box body, a piston is connected in the box body in a sliding mode, the piston divides the box body into a left cavity and a right cavity which are independent, the left cavity is communicated with an air inlet pipe and an air release pipe, one end, far away from the right expansion unit, of the inflation pipe is communicated with the left cavity, a first one-way valve for guiding air into the left cavity is installed on the air inlet pipe, a second one-way valve for guiding air out of the left cavity is installed on the inflation pipe, and an air release valve is installed on the air release pipe; a cam and a plurality of elastic pieces for pushing the piston are arranged in the right cavity, and two ends of each elastic piece are respectively connected with the inner side wall of the right cavity and the piston; the output end of the driving motor is fixedly connected with a driving shaft, a driven shaft is arranged beside the driving shaft, the cam is fixedly connected with the driven shaft, and the driving shaft and the driven shaft are driven by a transmission assembly; the transmission assembly comprises a driving tooth and a first driven tooth, the driving tooth is coaxially and fixedly connected to the driving shaft, the first driven tooth is coaxially and fixedly connected to the driven shaft, and the driving tooth is meshed with the first driven tooth;

the bed frame is fixedly connected with an upper transverse plate, the bed frame is vertically and slidably connected with a lower transverse plate, a ball screw pair is arranged between the upper transverse plate and the lower transverse plate, and a nut of the ball screw pair is fixedly connected with the upper transverse plate; the below of ball screw pair's lead screw is equipped with the telescopic link of vertical setting, and the telescopic link includes interior pole and outer pole, interior pole and outer pole along axial sliding connection, the top and the lead screw fixed connection of interior pole, go up the diaphragm and set up the through-hole that supplies the lead screw to pass, the top of lead screw offsets with the bottom surface of right bed board, outer pole coaxial fixedly connected with can with the driven tooth of the second of initiative tooth meshing, the outer pole passes through the bearing and rotates to be connected in diaphragm down, the supporting shoe that is used for supporting diaphragm down is placed to the below of diaphragm down.

2. The dressing change bed facilitating abdominal dressing change of claim 1, wherein: the top fixedly connected with horizontal pole of lead screw, the equal fixedly connected with gyro wheel in both ends of horizontal pole.

3. The dressing change bed facilitating abdominal dressing change of claim 1, wherein: the left expansion air bag and the right expansion air bag are respectively adhered to the left mattress and the right mattress through magic tapes.

4. The dressing change bed facilitating abdominal dressing change according to claim 1 or 3, wherein: and the inflation branch pipe I and the inflation branch pipe II are fixedly connected with identification pieces.

5. The dressing change bed facilitating abdominal dressing change of claim 1, wherein: the bed frame is horizontally and slidably connected with an operating platform, the operating platform is positioned above the left mattress, a shadowless lamp is fixedly mounted on the operating platform, and a sunken part is arranged on the operating platform.

6. The dressing change bed facilitating abdominal dressing change of claim 5, wherein: the bedstead is fixedly connected with a drainage bag hook.