CN112220637A

CN112220637A - Obstetrical delivery device

Info

Publication number: CN112220637A
Application number: CN202011106939.8A
Authority: CN
Inventors: 张晓冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-01-15
Anticipated expiration: 2040-10-16
Also published as: CN112220637B

Abstract

The invention relates to an obstetric delivery device, which comprises a basin, wherein an inclined lying plate is fixed in the basin, armrests are fixed on the inner wall of the basin and positioned above two sides of the lying plate, and leg supports are arranged at the front ends of the armrests. The lying plate is provided with a water inlet hole which is communicated with a water inlet pipe below the lying plate. A water outlet pipe is fixed on the bottom surface inside the basin, and the tail end of the water outlet pipe penetrates through the outside of the basin. The water inlet pipe and the water outlet pipe are respectively connected with a water pump, and a filter, a heater and a constant temperature water tank are sequentially connected between the water outlet pipe and the water inlet pipe in a through way. The invention is suitable for delivery in water, and can ensure clean water and constant temperature in the delivery process by circulating, insulating and sterilizing the water.

Description

Obstetrical delivery device

Technical Field

The invention belongs to the field of medical instruments, and particularly relates to an obstetric delivery device.

Background

The water delivery is to give birth to the child in water, and the newborn child is completely immersed in water when delivered. During this process the head of the neonate must be fully submerged until the body is fully delivered underwater, followed immediately by bringing the neonate out of the water. The water delivery is only a way of natural delivery, and a natural delivery way is selected for the lying-in women.

The optimal age of the people who deliver in water is 20-30 years, the water delivery is a kind of antenatal, the advantages of the water delivery are that the pain of the predelivery is reduced to the maximum extent, the delivery time is shortened, the hypertension is prevented, the most comfortable position for the delivery can be selected independently, and the occurrence rate of vulvar trauma and caesarean section is reduced.

The advantages of the water delivery are obvious, but the prior water delivery is mostly carried out in a bathtub, the water in the bathtub is not circulated in the delivery process, the delivery time is long, the water temperature is reduced, the water quality is deteriorated, and the health of a puerpera and a newborn baby is influenced to a certain extent.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the obstetric delivery device is suitable for delivery in water, and can ensure that the water body is clean and the temperature is constant in the delivery process by circulating, insulating and sterilizing the water body.

The technical scheme adopted by the invention for solving the problems in the prior art is as follows:

the utility model provides an obstetrical department's childbirth device, includes the basin, basin inside be fixed with the service creeper of slope, basin inner wall is located service creeper both sides top and is fixed with the handrail, the handrail front end is equipped with the leg and holds in the palm.

Be equipped with the displacement board on the basin inner wall, the displacement board terminal surface front end indent has the arc slide, and the displacement board terminal surface indent has the jack.

First telescopic link, second telescopic link are equipped with between leg support and the displacement board, and first telescopic link is located second telescopic link rear end, and first telescopic link one end holds in the palm terminal surface fixed connection, the other end and displacement board fixed connection with the leg, and second telescopic link one end holds in the palm terminal surface fixed connection, the other end slides and sets up inside the arc slide with the leg.

The outer wall of the second telescopic rod is fixed with a positioning plate, a pull rod is arranged on the positioning plate in a penetrating mode, a spring base is fixed on the pull rod and located between the positioning plate and the displacement plate, a first spring is sleeved on the pull rod and located between the spring base and the positioning plate.

When the second telescopic rod slides to the uppermost end of the arc-shaped slideway, the tail end of the pull rod is pushed by the first spring to be inserted into the jack.

The lying plate is provided with a water inlet hole which is communicated with a water inlet pipe below the lying plate.

A water outlet pipe is fixed on the bottom surface inside the basin, and the tail end of the water outlet pipe penetrates through the outside of the basin.

The water inlet pipe and the water outlet pipe are respectively connected with a water pump, and a filter, a heater and a constant temperature water tank are sequentially connected between the water outlet pipe and the water inlet pipe in a through way.

Preferably, basin inner wall indent have the first slide of horizontal arrangement, the one side that the displacement plate dorsad leg held in the palm is equipped with "T" type slider, "T" type slider slides and sets up inside first slide.

Preferably, a second slide way is connected below the first slide way in a penetrating manner, and a third slide way which is vertically arranged is arranged below the second slide way.

A positioning device is arranged below the T-shaped sliding block and comprises a groove with an open upper end, a connecting rod fixed below the groove and a pressing plate fixed at the tail end of the connecting rod.

A plurality of ratchets are uniformly distributed in the groove, one end of each ratchet is hinged with the groove through a rotating shaft, and a second spring is arranged between the bottom of the other end of each ratchet and the bottom surface of the groove.

The top surface of the groove is higher at one end of the ratchet under the pushing of the second spring.

The groove slides up and down in the second slide way, a third spring is arranged between the bottom surface of the groove and the bottom surface of the second slide way, and the top surface of the groove is in contact with the T-shaped sliding block under the pushing of the third spring.

The connecting rod slides up and down in the third slide way, one end of the pressing plate is vertically connected with the connecting rod, and the other end of the pressing plate penetrates through the lower end opening of the third slide way to the inside of the basin.

Preferably, a plurality of limiting strips are fixed at the opening at the upper end of the groove and are positioned above the ratchet.

Preferably, the end face of the basin is provided with an opening, and the opening is hinged with a door.

Preferably, the door is arranged on the front end face of the basin, the opening edge of the front end face is convexly provided with the sealing plate, and the door is contacted with the sealing plate after being closed.

Preferably, the lying plate comprises a head supporting plate, a back supporting plate, a hip supporting plate and a leg plate.

The back layer board is low back high slope arrangement in the front, and buttock layer board, head layer board are respectively with back layer board front and back both ends fixed connection, leg board and buttock layer board front end fixed connection.

The armrests are positioned on two sides above the back supporting plate, and the leg supports are positioned on two sides above the leg plate.

Preferably, the back splint is provided with a plurality of air bag holes arranged in a rectangular array in an inwards concave manner, and air bags are arranged in the air bag holes.

Each row of air bags is communicated with an air inlet branch pipe and an air outlet branch pipe, a first electromagnetic valve is arranged at the main air inlet of the air inlet branch pipe, and a second electromagnetic valve is arranged at the main air outlet of the air outlet branch pipe.

The air inlet end of the first electromagnetic valve is communicated with an air inlet main pipe, and an air compressor is connected to an air inlet of the air inlet main pipe.

The air outlet end of the second electromagnetic valve is communicated with the exhaust manifold.

Preferably, the leg support is in a water drop shape or a half water drop shape, and convex edges are convexly arranged above the left side and the right side of the leg support.

Preferably, the filter comprises an activated carbon filter cartridge and an RO reverse osmosis membrane filter cartridge which are connected in a one-time through manner.

Compared with the prior art, the invention has the following beneficial effects:

(1) can assist the puerpera to carry out the aquatic delivery, and in the delivery process, the water body is in the whole of circulation, filtration and constant temperature, keeps the temperature of the water body clean, and is beneficial to the health of the puerpera and the newborn.

(2) The inlet opening of obstetrical department's childbirth device is located the back layer board, has certain unrestrained effect of making, can alleviate lying-in woman's intense mood, lets the lying-in woman relax more, is favorable to the childbirth.

(3) Each row of air bags are independently controlled, corresponding air bags can be inflated according to the back width of the pregnant woman, the air bags generate a wrapping effect, and the comfort of the pregnant woman is improved.

(4) The leg support adopts the water droplet shape, and the thigh position is supported forcefully, avoids lifting the leg in the last time and causes fatigue, practices thrift lying-in woman's physical power.

(5) The lying-in woman passes through the door to enter and exit the basin, and the lying-in woman can enter and exit the basin more conveniently without climbing and more completely.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a first external view of an obstetric delivery device of the invention,

figure 2 is a second external view of the present invention,

figure 3 is a central cross-sectional view of the present invention,

figure 4 is an enlarged view of a portion of figure 3 at a,

figure 5 is an exploded view of the creeper of the present invention,

figure 6 is a view of the leg rest of the present invention,

figure 7 is an exploded view of the leg rest of the present invention,

figure 8 is an enlarged view in partial cross-section of the basin of the present invention in the area of the leg rest,

figure 9 is an enlarged view of a portion of figure 8 at B,

figure 10 is a block diagram of a positioning device of the present invention,

figure 11 is an enlarged view of a portion of figure 10 at C,

figure 12 is a flow chart of a water circuit of the invention,

FIG. 13 is a flow chart of the gas circuit of the present invention.

In the figure: 1-basin, 101-handrail, 102-first slideway, 103-second slideway, 104-third slideway and 105-sealing plate;

2-lying board, 201-head supporting board, 202-back supporting board, 2021-water inlet hole, 2022-air bag hole, 203-hip supporting board and 204-leg board;

3-leg rest, 301-convex edge;

4-a first telescopic rod;

5-a second telescopic rod, 501-a positioning plate, 502-a pull rod, 5021-a spring base and 503-a first spring;

6-displacement plate, 601-arc slideway, 602-T-shaped slide block and 603-jack;

7-positioning device, 701-groove, 7011-limit bar, 702-connecting rod, 703-pressing plate, 704-ratchet, 7041-rotating shaft, 705-second spring and 706-third spring;

8-door;

9-a water inlet pipe;

10-water outlet pipe;

11-airbag, 1101-air inlet branch pipe, 11011-first electromagnetic valve, 1102-air outlet branch pipe, 11021-second electromagnetic valve, 1103-air compressor, 1104-air inlet manifold and 1105-air outlet manifold;

12-a filter, 13-a heater, 14-a constant temperature water tank and 15-a water pump.

Detailed Description

The accompanying drawings illustrate a preferred embodiment of the obstetric delivery device and will be described in further detail below with reference to the accompanying drawings.

Shown by attached figures 1 and 2, the obstetric delivery device comprises a basin 1, wherein an inclined lying plate 2 is fixed inside the basin 1, handrails 101 are fixed above the two sides of the lying plate 2 on the inner wall of the basin 1, and leg supports 3 are arranged at the front ends of the handrails 101.

The lying plate 2 comprises a head supporting plate 201, a back supporting plate 202, a hip supporting plate 203 and a leg plate 204. The back splint 202 is arranged obliquely with a low front and a high back, and the hip splint 203 and the head splint 201 are respectively fixedly connected with the front end and the back end of the back splint 202. Head layer board 201, back layer board 202, both sides extend to basin 1 inner wall department about buttock layer board 203, and with inner wall fixed connection, buttock layer board 201 below is equipped with vertically baffle, separate into two cavitys with basin 1 front and back both ends, basin 1 is located baffle front end and head layer board 201, back layer board 202, buttock layer board 203 top position is used for filling water, basin 2 is located baffle rear end and head layer board 201, back layer board 202, the position of buttock layer board 203 below is in dry state, can be used to arrange controlling means, power supply unit, the air compressor machine, relevant pipeline, a filter, the heater, the constant temperature water tank, water pump etc.. The constant temperature water tank and the air pressure gas volume are large, and the constant temperature water tank and the air pressure gas volume can also be arranged outside the basin 1.

Leg board 204 and buttock layer board 203 front end fixed connection or articulated, this embodiment leg board 204 is articulated with buttock layer board 203, and the articulated mode and the rotatory positioning mode of leg board 204 all adopt prior art, and the puerperal can be rotatory to the flagging state with leg board 204 after the childbirth is accomplished, and the puerperal of being convenient for gets off from lying board 2.

The armrests 101 are located on both sides above the back support plate 202, and the leg rests 3 are located on both sides above the leg plates 204. A plurality of handrails 101 are arranged on the inner wall of each side of the basin 1 in parallel, so that the puerpera with different arm lengths can hold the arms tightly.

Be equipped with displacement plate 6 on the basin 1 inner wall, the front end indent of 6 terminal surfaces of displacement plate has arc slide 601, and the indent of 6 terminal surfaces of displacement plate has jack 603.

As shown in fig. 7, 8 and 9, the inner wall of the basin 1 is recessed with a horizontally disposed first slide way 102, one side of the displacement plate 6 facing away from the leg support 3 is provided with a T-shaped slider 602, and the T-shaped slider 602 is slidably disposed inside the first slide way 102. The T-shaped sliding block 602 includes a horizontal plate and a vertical plate, both sides of the horizontal plate are respectively fixedly connected with the vertical plate and the displacement plate 6, and the vertical plate prevents the sliding block 602 from separating from the first sliding channel 102.

A second slide way 103 is connected below the first slide way 102 in a penetrating way, a third slide way 104 which is vertically arranged is arranged below the second slide way 103, and an opening is arranged at one side of the bottom of the third slide way 104 facing the basin 1.

A positioning device 7 is arranged below the T-shaped sliding block 602, and as shown in fig. 10 and 11, the positioning device 7 includes a strip-shaped groove 701 with an open upper end, a connecting rod 702 fixed below the groove 701, and a pressing plate 703 fixed at the tail end of the connecting rod 702.

A plurality of ratchets 704 are uniformly distributed in the groove 701, one end of each ratchet 704 is hinged with the groove 701 through a rotating shaft 7041, and a second spring 705 is arranged between the bottom of the other end of each ratchet 704 and the bottom of the groove 701. The rotation shaft 7041 is located at the front end of the second spring 705, so that the rear end of the ratchet 704 is higher than the top surface of the groove 701 under the pushing of the second spring 705.

A plurality of limit strips 7011 are fixed at the opening of the upper end of the groove 701, the limit strips 7011 are positioned above the ratchet 704, and the limit strips 7011 can limit the rotation angle of the ratchet 704.

The groove 701 slides up and down in the second slide way 103, a third spring 706 is arranged between the bottom surface of the groove 701 and the bottom surface of the second slide way 103, and under the pushing of the third spring 706, the top surface of the groove 701 is in contact with the horizontal plate of the T-shaped sliding block 602. The ratchet 704 directly below the T-shaped slider 602 is pressed down and completely enters the groove 701, but the ratchet 704 on both sides of the T-shaped slider 602 is pushed by the second spring 705 to lift to the outside of the groove 701 at one end, which is higher than the bottom surface of the T-shaped slider 602, so that the T-shaped slider 602 is prevented from moving forward, and the T-shaped slider 602 can only move forward. During the delivery process, the legs of the parturient are put on the leg supports 3, and when the parturient exerts force, the thigh exerts force forwards, so that the ratchet 704 only needs to limit the forward movement of the T-shaped sliding block 602.

The connecting rod 702 slides up and down with the inside of the third slideway 104, one end of the pressing plate 703 is vertically connected with the connecting rod 702, and the other end penetrates through the inside of the basin 1 through the opening at the lower end of the third slideway 104. By pressing down the pressing plate 703, the groove 701 can be driven by the connecting rod 702 to move downwards, the ratchet 704 is completely lower than the T-shaped sliding block 602, and the T-shaped sliding block 602 can move freely.

Be equipped with first telescopic link 4, second telescopic link 5 between leg support 3 and the displacement plate 6, first telescopic link 4 is located 5 rear ends of second telescopic link, and 3 terminal surface fixed connection, dead lever bottom and the 6 fixed connection of displacement plate are held in the palm with the leg to the piston rod end of first telescopic link 4, and 5 terminal surface fixed connection, the dead lever slip of piston rod end and leg support of second telescopic link set up inside arc slide 601. The second telescopic link 5 can adopt the electric jar that has waterproof function, also can have manual telescopic link, and when adopting manual telescopic link, the piston rod of second telescopic link 5 has locate function. The first telescopic rod 4 and the second telescopic rod 5 both adopt the prior art.

A positioning plate 501 is fixed on the outer wall of a fixing rod of the second telescopic rod 5, a pull rod 502 penetrates through the positioning plate 501, a spring base 5021 is fixed on the pull rod 502, the spring base 5021 is located between the positioning plate 501 and the displacement plate 6, a first spring 503 is sleeved on the pull rod 502, and the first spring 503 is located between the spring base 5021 and the positioning plate 501.

When the second telescopic rod 5 slides to the uppermost end of the arc-shaped slide 601, the end of the pull rod 502 is inserted into the insertion hole 603 under the pushing of the first spring 503.

The leg support 3 is in a water drop shape or a half water drop shape, and convex edges 301 are convexly arranged above the left side and the right side of the leg support 3.

A plurality of water inlet holes 2021 are symmetrically arranged on both sides of the back splint 202, and the water inlet holes 2021 are communicated with the water inlet pipe 9 below the lying plate 2.

A water outlet pipe 10 is fixed on the bottom surface inside the basin 1, and the tail end of the water outlet pipe 10 penetrates through the end plate below the hip supporting plate 203 to the outside of the basin 1.

As shown in fig. 12, a water pump 15 is connected to the water inlet pipe 9 and the water outlet pipe 10, and a filter 12, a heater 13, and a constant temperature water tank 14 are sequentially connected between the water outlet pipe 10 and the water inlet pipe 9. The filter 12 includes an activated carbon filter cartridge and an RO reverse osmosis membrane filter cartridge connected in a primary flow-through manner. The heater 13 adopts an electric heating device capable of fixing the temperature, the volume of the temperature fixing water tank 14 is more than one third of the volume of the water in the basin, and the constant temperature heater can be arranged in the temperature fixing water tank 14. The heaters 13 and the constant temperature heaters in the constant temperature water tank 14 are controlled by temperature control switches, temperature probes of the temperature control switches are placed in the constant temperature water tank 14, and the maximum temperature is set to 43 ℃. The constant temperature water tank 14 is provided with a water replenishing port through which water is added to the inside. The flow of the water pump 15 is 5-12 times of the volume of the water in the basin 1, namely, the water in the basin 1 can circulate for 5-12 times per hour.

The basin 1 on be equipped with the opening on the terminal surface, articulated on the opening have a door 8. The edge of the opening of the front end surface of the basin 1 is convexly provided with a sealing plate 105, and the door 8 is contacted with the sealing plate 105 after being closed. The opposite end surfaces of the door 8 and the sealing plate 105 can be arranged on a sealing rubber gasket, so that the sealing effect after the door 8 is closed is further improved.

The back splint 203 is internally provided with a plurality of air bag holes 2022 which are arranged in a rectangular array, and the air bags 11 are arranged in the air bag holes 2022.

As shown in fig. 13, each row of air bags 11 is connected with an air inlet branch pipe 1101 and an air outlet branch pipe 1102 in a penetrating manner, a first electromagnetic valve 11011 is arranged at the total air inlet of the air inlet branch pipe 1101, and a second electromagnetic valve 11021 is arranged at the total air outlet of the air outlet branch pipe 1102.

The air inlet end of the first electromagnetic valve 11011 is communicated with an air inlet manifold 1104, and an air compressor 1103 is connected to an air inlet of the air inlet manifold 1104. The outlet of the second solenoid valve 11021 is connected to the exhaust manifold 1105.

The air bags 11 are inflated to extend and extend to extend out of the air bag holes 2022, a groove structure is formed on the back supporting plate 203, the back of the lying-in woman is arranged in the groove structure, and the air bags on the two sides of the lying-in woman can support the lying-in woman.

The first electromagnetic valve 11011, the second electromagnetic valve 11021, the air compressor 1103, the heater 13 and the water pump 15 are all electrically connected with a control device, the control device can adopt a PLC or a single chip microcomputer, and the power supply device provides power required by work for each electric device.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An obstetric delivery device comprising a basin (1), characterized in that:

an inclined lying plate (2) is fixed in the basin (1), handrails (101) are fixed on the inner wall of the basin (1) above the two sides of the lying plate (2), leg supports (3) are arranged at the front ends of the handrails (101),

a displacement plate (6) is arranged on the inner wall of the basin (1), an arc-shaped slideway (601) is concavely arranged at the front end of the end surface of the displacement plate (6), a jack (603) is concavely arranged on the end surface of the displacement plate (6),

a first telescopic rod (4) and a second telescopic rod (5) are arranged between the leg support (3) and the displacement plate (6), the first telescopic rod (4) is positioned at the rear end of the second telescopic rod (5), one end of the first telescopic rod (4) is fixedly connected with the end surface of the leg support (3), the other end of the first telescopic rod is fixedly connected with the displacement plate (6), one end of the second telescopic rod (5) is fixedly connected with the end surface of the leg support (3), the other end of the second telescopic rod is arranged in the arc-shaped slideway (601) in a sliding way,

a positioning plate (501) is fixed on the outer wall of the second telescopic rod (5), a pull rod (502) penetrates through the positioning plate (501), a spring base (5021) is fixed on the pull rod (502), the spring base (5021) is positioned between the positioning plate (501) and the displacement plate (6), a first spring (503) is sleeved on the pull rod (502), the first spring (503) is positioned between the spring base (5021) and the positioning plate (501),

when the second telescopic rod (5) slides to the uppermost end of the arc-shaped slideway (601), the tail end of the pull rod (502) is pushed by the first spring (503) to be inserted into the insertion hole (603),

a water inlet hole (2021) is arranged on the lying plate (2), the water inlet hole (2021) is communicated with a water inlet pipe (9) arranged below the lying plate (2),

a water outlet pipe (10) is fixed on the bottom surface inside the basin (1), the tail end of the water outlet pipe (10) is arranged outside the basin (1) in a penetrating way,

the water inlet pipe (9) and the water outlet pipe (10) are respectively connected with a water pump (15), and a filter (12), a heater (13) and a constant temperature water tank (14) are sequentially connected between the water outlet pipe (10) and the water inlet pipe (9) in a penetrating way.

2. An obstetric delivery device as claimed in claim 1, wherein:

a first slide way (102) is horizontally arranged in the inner wall of the basin (1) in a concave mode, a T-shaped sliding block (602) is arranged on one side, back to the leg support (3), of the displacement plate (6), and the T-shaped sliding block (602) is arranged inside the first slide way (102) in a sliding mode.

3. An obstetric delivery device as claimed in claim 2, wherein:

a second slideway (103) is connected with the lower part of the first slideway (102) in a penetrating way, a third slideway (104) which is vertically arranged is arranged below the second slideway (103),

a positioning device (7) is arranged below the T-shaped sliding block (602), the positioning device (7) comprises a groove (701) with an opening at the upper end, a connecting rod (702) fixed below the groove (701), and a pressing plate (703) fixed at the tail end of the connecting rod (702),

a plurality of ratchets (704) are uniformly distributed in the groove (701), one end of each ratchet (704) is hinged with the groove (701) through a rotating shaft (7041), a second spring (705) is arranged between the bottom of the other end of each ratchet and the bottom of the groove (701),

the top surface of the upper groove (701) at one end of the ratchet (704) is pushed by a second spring (705),

the groove (701) slides up and down in the second slide way (103), a third spring (706) is arranged between the bottom surface of the groove (701) and the bottom surface of the second slide way (103), under the pushing of the third spring (706), the top surface of the groove (701) is contacted with the T-shaped sliding block (602),

the connecting rod (702) and the inside of the third slide way (104) slide up and down, one end of the pressing plate (703) is vertically connected with the connecting rod (702), and the other end of the pressing plate penetrates through the opening at the lower end of the third slide way (104) to the inside of the basin (1).

4. An obstetric delivery device as claimed in claim 3, wherein:

a plurality of limiting strips (7011) are fixed at the opening of the upper end of the groove (701), and the limiting strips (7011) are positioned above the ratchet (704).

5. An obstetric delivery device as claimed in claim 1 or 3, wherein:

the end face of the basin (1) is provided with an opening, and the opening is hinged with a door (8).

6. An obstetric delivery device as claimed in claim 5, wherein:

the door (8) is arranged on the front end face of the basin (1), a sealing plate (105) is convexly arranged on the opening edge of the front end face, and the door (8) is contacted with the sealing plate (105) after being closed.

7. An obstetric delivery device as claimed in claim 1, 3 or 6, wherein:

the lying plate (2) comprises a head supporting plate (201), a back supporting plate (202), a hip supporting plate (203) and a leg plate (204),

the back supporting plate (202) is obliquely arranged with a lower front part and a higher back part, the hip supporting plate (203) and the head supporting plate (201) are respectively fixedly connected with the front end and the back end of the back supporting plate (202), the leg plate (204) is fixedly connected with the front end of the hip supporting plate (203),

the armrests (101) are positioned on two sides above the back supporting plate (202), and the leg supports (3) are positioned on two sides above the leg plate (204).

8. An obstetric delivery device as claimed in claim 7, wherein:

a plurality of air bag holes (2022) which are arranged in a rectangular array are concavely arranged in the back supporting plate (203), an air bag (11) is arranged in each air bag hole (2022),

each row of air bags (11) is communicated with an air inlet branch pipe (1101) and an air outlet branch pipe (1102), a first electromagnetic valve (11011) is arranged at the total air inlet of the air inlet branch pipe (1101), a second electromagnetic valve (11021) is arranged at the total air outlet of the air outlet branch pipe (1102),

the air inlet end of the first electromagnetic valve (11011) is communicated with an air inlet manifold (1104), the air inlet of the air inlet manifold (1104) is connected with an air compressor (1103),

the air outlet end of the second electromagnetic valve (11021) is communicated with the exhaust manifold (1105).

9. An obstetric delivery device as claimed in claim 8, wherein:

the leg support (3) is in a water drop shape or a half water drop shape, and convex edges (301) are convexly arranged above the left side and the right side of the leg support (3).

10. An obstetric delivery device as claimed in claim 1, 3, 6 or 8, wherein:

the filter comprises an activated carbon filter cylinder and an RO reverse osmosis membrane filter cylinder which are connected in a one-time through mode.