CN109730881B

CN109730881B - Special bed of obstetrical department

Info

Publication number: CN109730881B
Application number: CN201910188844.6A
Authority: CN
Inventors: 张文华; 位菊峰; 荆玉慧; 李玲; 李健
Original assignee: Qingdao Central Hospital
Current assignee: Qingdao Central Hospital
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2021-03-16
Anticipated expiration: 2039-03-13
Also published as: CN109730881A

Abstract

The invention relates to the technical field of medical instruments, and particularly discloses a special obstetrical bed which comprises a bed frame, wherein an upper bed board and a middle bed board are arranged at the left end of the bed frame, a first cylinder is fixedly mounted on the bed frame, a first telescopic rod is arranged in the first cylinder, a slide bar is fixed at the top end of the first telescopic rod, and a right bed board and a left bed board are arranged at the right end of the middle bed board in a sliding manner. An air pump is fixedly arranged on the bedstead and is communicated with an air box at the right end. The lower fixed surface of right bed board and left bed board installs the second cylinder, is provided with the second telescopic link in the second cylinder, and the lift groove has been seted up on the top of second telescopic link, and the elevator has been placed to the lift inslot, and the elevator lower extreme is provided with the guide post, and the nestification has the spring on the guide post. The upper surface of the lifting block is symmetrically hinged with two opening supporting plates, air bags are arranged in the opening supporting plates, and the air bags are communicated with the air box. The invention has the advantages that: simple structure, convenient operation, good comfort, strong applicability, sanitation and convenience, and can greatly reduce the pain of the lying-in woman.

Description

Special bed of obstetrical department

Technical Field

The invention relates to the technical field of medical instruments, in particular to a special obstetric bed.

Background

At present, a hospital bed used clinically mainly comprises a bed board and bed legs, a lying-in woman can flow a large amount of blood after childbirth, the blood flow easily pollutes the bed pad on the hospital bed and is not easy to clean, particularly, doctors mostly find some substitutes to heighten the legs during childbirth, the method is troublesome to reach the ideal height at any time, and great work difficulty is increased for medical staff.

Chinese patent (publication No. CN 203280673U, bulletin date 2013.11.13) discloses a special bed for obstetrics and gynecology department, which comprises a bed plate and bed legs, wherein a groove is arranged on the bed plate, the groove is connected with a drainage groove, two sides of the tail end of the bed plate are provided with support rods, the top ends of the support rods are provided with arc-shaped support plates, and two sides of the front end of the bed plate are provided with cylindrical handles. The opening degree of the legs of the bed can not be adjusted in the using process, the supporting plates can hurt the legs of a lying-in woman, and a doctor does not have a midwifery space.

Disclosure of Invention

The invention aims to provide a special obstetrical bed to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a special bed for obstetrics comprises an upper bed plate, a middle bed plate, a bed frame and an opening supporting plate. The left end of the bed frame is provided with an upper bed board, the right end of the upper bed board is hinged with a middle bed board, and the upper bed board can rotate relative to the middle bed board. The bed comprises a bed plate and is characterized in that a sliding groove is formed in the bed plate, a first cylinder is fixedly mounted on a bed frame below the bed plate, a vertical first telescopic rod is arranged in the first cylinder, a sliding rod is fixedly arranged at the top end of the first telescopic rod, the sliding rod is nested in the sliding groove, and the sliding rod can freely rotate in the sliding groove. The first telescopic rod stretches under the driving of the first cylinder, so that the upper bed plate rotates, and a lying-in woman can sit up or lie down conveniently.

The right end of the middle bed board is provided with a right bed board and a left bed board, and the right bed board and the left bed board can slide relative to the middle bed board. The bedstead is provided with transmission below right bed board and the left bed board, and transmission includes motor and sliding block, and the motor is fixed on the bedstead, and the output shaft of motor has the axis of rotation, and the axis of rotation rotates to be connected on the bedstead, and the both ends of axis of rotation are provided with opposite direction's screw thread and the nested of symmetry have two sliding blocks, are provided with the internal thread in the sliding block. Under the drive of the motor, the rotating shaft rotates, so that the distance between the sliding blocks is reduced or increased. Two sliding blocks respectively with the lower surface fixed connection of right bed board and left bed board, right bed board and left bed board open or close along with the removal of sliding block.

The air pump can pump the air into the air tank to form positive pressure in the air tank. Be provided with first pressure sensors in the air tank, first pressure sensors and air pump electric connection, first pressure sensors can respond to air pressure in the air tank, and when the air tank internal pressure was too little, the air pump started to go into the air to the air tank internal pump. When the pressure in the air box is overlarge, the air pump is closed. The arrangement of the first pressure sensor avoids air leakage caused by overlarge pressure of the air tank, reduces the load of the air pump and saves energy.

The lower fixed surface of right bed board and left bed board install the second cylinder, be provided with vertical second telescopic link in the second cylinder, the lift groove has been seted up on the top of second telescopic link, the lifting block has been placed to the lift inslot. The lifting block can slide up and down in the lifting groove, the middle position of the lower surface of the lifting block is fixedly provided with a vertical guide post, and the guide post is nested with a spring. The top inside wall in lift groove has set firmly the stopper, and the setting of stopper is avoided the lifter roll-off lift groove. The upper surface of the lifting block is symmetrically hinged with two opening supporting plates, and air bags are arranged in the opening supporting plates. An electromagnetic exhaust valve and an air inlet are arranged on the opening supporting plate and are communicated with the air bag. The air inlet is communicated with the air tank through a hose, and the hose is provided with an electromagnetic valve. Be provided with the second pressure sensor in the gasbag, second pressure sensor and solenoid valve, electromagnetism discharge valve intercommunication, when gasbag internal pressure is great, electromagnetism discharge valve discharges the air in the gasbag, and when gasbag internal pressure is less, the solenoid valve is opened, and air admission gasbag is interior to the gas tank. When a lying-in woman produces, two legs are placed in the opening supporting plate to facilitate production, the arrangement of the air bag increases the contact area of the opening supporting plate and a patient, the comfort level is increased, the air bag can adapt to various patients, and the applicability is improved. Under the effect of spring, the elevator upwards moves, and the opening layer board is in open state, and when patient's both legs were put in the opening layer board, the elevator descended by the action of gravity, and the opening layer board is extruded and is closed by second telescopic link top to carry lying-in woman's both legs. After production is finished, the two legs are lifted, the lifting block is lifted under the action of the spring, the opening supporting plate is opened, and then the two legs can be taken out.

As a further scheme of the invention: the handles are symmetrically and fixedly arranged on the upper surface of the upper bed plate and are used for being held by a hand of a lying-in woman during production, so that the lying-in woman can exert force conveniently.

As a further scheme of the invention: the drainage grooves are formed in the middle bed plate, and the drainage grooves are convenient for bleeding in the vagina to flow out through the drainage grooves during the production of the puerpera, so that the bed surface is prevented from being polluted.

As a further scheme of the invention: the motor is internally provided with a torque sensor which is electrically connected with the motor, and the torque sensor is arranged to prevent the motor from being damaged due to overload operation, so that the energy waste is reduced.

As a further scheme of the invention: the lifting groove and the lifting block are of polygonal structures with inverted convex sections.

As a further scheme of the invention: the polygonal prism structure is one of a quadrangular prism, a pentagonal prism, a hexagonal prism or an octagonal prism.

As a further scheme of the invention: the cross section of the opening supporting plate is of an arc-shaped structure.

As a further scheme of the invention: the lower part of right bed board and left bed board rotate on the bedstead and be provided with the pulley, pulley and right bed board and the contact of left bed board lower surface, the pulley has the supporting role to right bed board and left bed board, the setting up of pulley makes things convenient for the slip of right bed board and left bed board, has reduced frictional force, makes to slide more smoothly.

Compared with the prior art, the invention has the beneficial effects that: the cylinder is adopted to control the opening supporting plate to lift, so that the control is convenient and fast, and the automation is realized. The air bag is arranged in the opening supporting plate, so that the contact area of the opening supporting plate and a patient is increased, the comfort level is increased, the air bag can adapt to various patients, and the applicability is improved. The open supporting plate is used, so that the legs of the lying-in woman can be fixed more conveniently. The left bed board and the right bed board which can be opened are used, so that the distance between the two legs of a puerpera can be adjusted, a delivery space can be provided for a doctor, and the delivery is more convenient. The first pressure sensor is used for avoiding air leakage caused by overlarge pressure of the air tank, reducing the load of the air pump and saving energy. The invention has the advantages that: simple structure, convenient operation, good comfort level, strong applicability, sanitation, convenience, various functions, high energy utilization rate and capability of greatly reducing the pain of the lying-in woman.

Drawings

Fig. 1 is a schematic top view of a obstetric bed.

Fig. 2 is a schematic structural view of a front view in a special obstetrical bed.

Fig. 3 is a schematic structural diagram of a transmission device in a special obstetrical bed.

Fig. 4 is a schematic structural view of an opening support plate in a special obstetrical bed.

In the figure, an upper bed board 1, a middle bed board 2, a right bed board 3, a left bed board 4, an opening supporting board 5, a drainage groove 6, a handle 7, a bed frame 8, a first telescopic rod 9, a sliding groove 10, a motor 11, a second telescopic rod 12, a second air cylinder 13, a pulley 14, a hose 15, an air box 16, a first pressure sensor 17, an electromagnetic valve 18, an air pump 19, a first air cylinder 20, a sliding block 21, a rotating shaft 22, an air bag 23, an electromagnetic exhaust valve 24, an air inlet 25, a spring 26, a guide post 27, a lifting block 28, a lifting groove 29 and a limiting block 30.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.

Example 1

Referring to fig. 1-4, a special obstetric bed includes an upper bed board 1, a middle bed board 2, a bed frame 8 and an opening support board 5. The left end of the bedstead 8 is provided with an upper bed board 1, handles 7 are symmetrically and fixedly arranged on the upper surface of the upper bed board 1, and the handles 7 are used for being held by a hand of a puerpera during production and are convenient for the puerpera to exert force. The right end of the upper bed board 1 is hinged with a middle bed board 2, and the upper bed board 1 can rotate relative to the middle bed board 2. A sliding groove 10 is formed in the upper bed plate 1, a first air cylinder 20 is fixedly mounted on the bed frame 8 below the upper bed plate 1, a vertical first telescopic rod 9 is arranged in the first air cylinder 20, a sliding rod is fixedly arranged at the top end of the first telescopic rod 9, the sliding rod is nested in the sliding groove 10, and the sliding rod can freely rotate in the sliding groove 10. Under the drive of the first cylinder 20, the first telescopic rod 9 stretches, so that the upper bed board 1 rotates, and a lying-in woman can sit up or lie down conveniently. Drainage grooves 6 are formed in the middle bed plate 2, and due to the arrangement of the drainage grooves 6, the bleeding in the vagina can flow out through the drainage grooves 6 when a puerpera is in production, so that the bed surface is prevented from being polluted.

The right end of the middle bed board 2 is provided with a right bed board 3 and a left bed board 4, and the right bed board 3 and the left bed board 4 can slide relative to the middle bed board 2. The transmission device is arranged on the bedstead 8 below the right bed board 3 and the left bed board 4, the transmission device comprises a motor 11 and a sliding block 21, the motor 11 is fixed on the bedstead 8, an output shaft of the motor 11 is connected with a rotating shaft 22, the rotating shaft 22 is rotatably connected on the bedstead 8, two opposite-direction threads are arranged at two ends of the rotating shaft 22, the two sliding blocks 21 are symmetrically nested, and internal threads are arranged in the sliding block 21. The rotating shaft 22 is rotated by the motor 11, thereby decreasing or increasing the distance between the slide blocks 21. Two sliding blocks 21 respectively with the lower surface fixed connection of right bed board 3 and left bed board 4, right bed board 3 and left bed board 4 open or close along with the removal of sliding block 21. The torsion sensor is arranged in the motor 11 and electrically connected with the motor 11, and the arrangement of the torsion sensor avoids damage caused by overload operation of the motor 11, so that energy waste is reduced.

An air pump 19 is fixedly installed on the bedstead 8, the air pump 19 is communicated with the air tank 16 at the right end, and the air pump 19 can pump air into the air tank 16 to form positive pressure in the air tank 16. Be provided with first pressure sensor 17 in the air tank 16, first pressure sensor 17 and air pump 19 electric connection, first pressure sensor 17 can respond to the air pressure in the air tank 16, and when the pressure was too little in the air tank 16, air pump 19 started to pump into the air in the air tank 16. When the pressure in the air tank 16 becomes excessive, the air pump 19 is turned off. The first pressure sensor 17 prevents the air tank 16 from leaking air due to over-pressure, and reduces the load of the air pump 19, thereby saving energy.

The lower fixed mounting of right bed board 3 and left bed board 4 have a second cylinder 13, be provided with vertical second telescopic link 12 in the second cylinder 13, the lift groove 29 has been seted up on the top of second telescopic link 12, lift groove 29 is the polygon prism structure of the type of the convex character type of cross-section for invering, the polygon prism structure is one of quadrangular, pentagonal prism, hexagonal prism or eight prism. The lifting block 28 is placed in the lifting groove 29, and the lifting block 28 has a polygonal prism structure corresponding to the lifting groove 29. The lifting block 28 can slide up and down in the lifting groove 29, a vertical guide post 27 is fixedly arranged at the middle position of the lower surface of the lifting block 28, and the spring 26 is nested on the guide post 27. A limiting block 30 is fixedly arranged on the inner side wall of the top end of the lifting groove 29, and the limiting block 30 is arranged to prevent the lifting block 28 from sliding out of the lifting groove 29. The upper surface of the lifting block 28 is symmetrically hinged with two opening supporting plates 5, and the cross section of each opening supporting plate 5 is of an arc-shaped structure. An air bag 23 is arranged inside the opening support plate 5. The opening supporting plate 5 is provided with an electromagnetic exhaust valve 24 and an air inlet 25, and the electromagnetic exhaust valve 24 and the air inlet 25 are communicated with the air bag 23. The air inlet 25 is communicated with the air tank 16 through a hose 15, and the hose 15 is provided with an electromagnetic valve 18. A second pressure sensor is arranged in the air bag 23 and is communicated with the electromagnetic valve 18 and the electromagnetic exhaust valve 24, when the pressure in the air bag 23 is higher, the electromagnetic exhaust valve 24 exhausts the air in the air bag 23, and when the pressure in the air bag 23 is lower, the electromagnetic valve 18 is opened, and the air in the air box 16 enters the air bag 23. When the lying-in woman produces, both legs are put in opening layer board 5 and are conveniently produced, and the setting of gasbag 23 has increased opening layer board 5 and patient's area of contact, has increased the comfort level, can adapt to various patients, has improved adaptability. Under the action of the spring 26, the lifting block 28 moves upwards, the opening supporting plate 5 is in an open state, when the legs of the patient are placed in the opening supporting plate 5, the lifting block 28 descends under the action of gravity, and the opening supporting plate 5 is pressed by the top of the second telescopic rod 12 to be closed, so that the legs of the parturient are clamped. After production is finished, the two legs are lifted, the lifting block 28 is lifted under the action of the spring 26, the opening supporting plate 5 is opened, and then the two legs can be taken out.

The working principle of the invention is as follows: lying on bed during parturient's production, the doctor adjusts opening layer board 5 height through second cylinder 13 according to actual conditions in order to adapt to the parturient needs. The opening supporting plate 5 is in an open state, the legs of the patient are placed in the opening supporting plate 5, the lifting block 28 descends under the action of gravity, and the opening supporting plate 5 is extruded by the top of the second telescopic rod 12 to be closed, so that the legs of the puerpera are clamped. The air bag 23 is filled with air to make the legs of the lying-in woman comfortable. The motor 11 is started to open the right bed board 3 and the left bed board 4, the distance between the two opening supporting boards 5 is adjusted, and meanwhile, a midwifery space is left for a doctor. Blood produced during the production process is discharged from the drainage groove 6. After production is finished, the two legs are lifted, the lifting block 28 is lifted under the action of the spring 26, the opening supporting plate 5 is opened, and then the two legs can be taken out.

Example 2

On the basis of embodiment 1, the lower part of right bed board 3 and left bed board 4 rotates on bedstead 8 and is provided with pulley 14, and pulley 14 and right bed board 3 and the contact of left bed board 4 lower surface, pulley 14 have the supporting role to right bed board 3 and left bed board 4, and the setting of pulley 14 makes things convenient for the slip of right bed board 3 and left bed board 4, has reduced frictional force, makes the slip more smooth and easy.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A bed special for obstetrical department comprises an upper bed board (1), a middle bed board (2), a bed frame (8) and an opening supporting board (5), wherein the left end of the bed frame (8) is provided with the upper bed board (1), the right end of the upper bed board (1) is hinged with the middle bed board (2), a sliding groove (10) is formed in the upper bed board (1), a first air cylinder (20) is fixedly installed on the bed frame (8) below the upper bed board (1), a vertical first telescopic rod (9) is arranged in the first air cylinder (20), a sliding rod is fixedly arranged at the top end of the first telescopic rod (9), the sliding rod is nested in the sliding groove (10), the special bed is characterized in that the right end of the middle bed board (2) is provided with a right bed board (3) and a left bed board (4) in a sliding manner, a transmission device is arranged on the bed frame (8) below the right bed board (3) and the left bed board (4), and, the motor (11) is fixed on the bed frame (8), an output shaft of the motor (11) is connected with a rotating shaft (22), the rotating shaft (22) is rotatably connected on the bed frame (8), two ends of the rotating shaft (22) are provided with threads in opposite directions and are symmetrically nested with two sliding blocks (21), and the two sliding blocks (21) are respectively and fixedly connected with the lower surfaces of the right bed plate (3) and the left bed plate (4);

an air pump (19) is fixedly mounted on the bedstead (8), the air pump (19) is communicated with an air box (16) at the right end, a first pressure sensor (17) is arranged in the air box (16), and the first pressure sensor (17) is electrically connected with the air pump (19);

the lower surfaces of the right bed board (3) and the left bed board (4) are fixedly provided with second cylinders (13), vertical second telescopic rods (12) are arranged in the second cylinders (13), the top ends of the second telescopic rods (12) are provided with lifting grooves (29), lifting blocks (28) are placed in the lifting grooves (29), vertical guide columns (27) are fixedly arranged in the middle positions of the lower surfaces of the lifting blocks (28), springs (26) are nested on the guide columns (27), and the inner side walls of the top ends of the lifting grooves (29) are fixedly provided with limit blocks (30);

the upper surface of the lifting block (28) is symmetrically hinged with two opening supporting plates (5), an air bag (23) is arranged inside the opening supporting plate (5), an electromagnetic exhaust valve (24) and an air inlet (25) are arranged on the opening supporting plate (5), the electromagnetic exhaust valve (24), the air inlet (25) and the air bag (23) are communicated, the air inlet (25) is communicated with an air box (16) through a hose (15), an electromagnetic valve (18) is arranged on the hose (15), a second pressure sensor is arranged in the air bag (23), the second pressure sensor is communicated with the electromagnetic valve (18) and the electromagnetic exhaust valve (24).

2. The obstetric bed as claimed in claim 1, wherein said upper surface of said upper plate (1) is symmetrically and fixedly provided with handles (7).

3. The obstetric bed as claimed in claim 1 or 2, wherein said middle bed plate (2) is provided with drainage grooves (6) therein.

4. The obstetric table as claimed in claim 3, wherein said motor (11) is internally provided with a torque sensor, and said torque sensor is electrically connected to said motor (11).

5. A bed as claimed in claim 4, characterised in that the lifting grooves (29) and the lifting blocks (28) are of a polygonal prism configuration with an inverted convex cross-section.

6. The obstetric table as claimed in claim 5, wherein said polygonal prism structure is one of a quadrangular prism, a pentagonal prism, a hexagonal prism and an octagonal prism.

7. An obstetric table as claimed in claim 6, wherein said open support plate (5) is arcuate in cross-section.

8. The obstetric table as claimed in claim 7, wherein pulleys (14) are rotatably arranged on the bed frame (8) below the right bed board (3) and the left bed board (4), and the pulleys (14) are in contact with the lower surfaces of the right bed board (3) and the left bed board (4).