CN112353471A

CN112353471A - Fetal head suction midwifery device for obstetrics and gynecology department

Info

Publication number: CN112353471A
Application number: CN202011252712.4A
Authority: CN
Inventors: 刘建平
Original assignee: Individual
Current assignee: Guo Chunling
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-02-12
Anticipated expiration: 2040-11-11
Also published as: CN112353471B

Abstract

The invention discloses a fetal head suction midwifery device for obstetrics and gynecology department, which comprises a base, wherein a vertical column is fixedly installed at the top of the base, a chute is formed in one side of the vertical column, a piston is arranged in the chute, a cross rod is fixedly installed on one side of the piston, one end of the cross rod, far away from the piston, extends out of the chute, an air inlet pipe and an air outlet pipe are fixedly installed on one side of the vertical column, far away from the cross rod, and are positioned below the air outlet pipe, and the air inlet. The pneumatic lying-in woman parturition device is reasonable in design and good in practicability, the distance between the two arc supporting plates can be adjusted by air pressure, the two arc supporting plates are used for propping open and fixing the two legs of a lying-in woman, the situation that the two legs of the lying-in woman move disorderly in the parturition process and are not beneficial to a doctor to help parturition work of the lying-in woman is avoided, the situation that the two legs of the lying-in woman move disorderly and hurt a fetus is also prevented, the head of the fetus can be sucked by the suction head quickly.

Description

Fetal head suction midwifery device for obstetrics and gynecology department

Technical Field

The invention relates to the technical field of medical instruments, in particular to a fetal head suction midwifery device for obstetrics and gynecology department.

Background

The delivery assistance means a series of measures taken before and during labor for enabling a fetus to be delivered out of a maternal birth canal smoothly, and mainly comprises the steps of caring a puerpera, carefully observing the labor course and guiding the fetus to be correctly matched with the labor course progress and delivery, wherein the fetal head suction delivery assistance device in obstetrics and gynecology department is a fetal head suction device.

Through retrieval, the authorized bulletin number is CN209863994U discloses a fetal head suction midwifery device of gynaecology and obstetrics, including the midwifery device, the midwifery device comprises suction head, suction tube and rubber air bag, the one end of suction tube and rubber air bag fixed connection, and suction tube and rubber air bag are integrated into one piece component, the outer fixed surface of one side of suction head installs the connecting tube, and the other end screw thread of suction tube connects in the inside of connecting tube, the outside screw thread connection of suction tube and connecting tube has fastening sealing sleeve, the inside fixed mounting of fastening sealing sleeve has first fastening sealing washer and second fastening sealing washer, this fetal head suction midwifery device can avoid suction head and suction tube to drop separately, also prevent that the suction head and suction tube junction gas leakage from leading to the suction head can's the circumstances of holding the fetus head to take place, set up the rubber shrink circle simultaneously and can protect the head of fetus, avoid attracting the head and direct and the head contact of foetus and lead to the circumstances of its head scotch to take place, however, among the prior art, this foetus head attracts practise midwifery device when using, do not have the function of strutting the both legs of lying-in woman, lying-in woman can involuntary both legs disorder because of the pain in the childbirth in-process, thereby be unfavorable for doctor's help lying-in woman's childbirth work, still probably receive the injury to the foetus because of lying-in woman's both legs disorder, and the speed of utilizing rubber to take out the air in the suction head is slow, it is longer to use time, lead to attracting the head that the head can not be quick absorption at the foetus, be unfavorable for the timely childbirth of lying-in woman, for this reason, we propose a.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a fetal head suction midwifery device for obstetrics and gynecology department, which solves the problems that the existing fetal head suction midwifery device does not have the function of propping open the legs of a puerpera, the puerpera can involuntarily move the legs due to pain in the process of delivery, so that a doctor is not beneficial to the delivery work of the puerpera, the fetus can be injured due to the movement of the legs of the puerpera, the air in the suction head is pumped out by using a rubber air pumping bag at a low speed, the time consumption is long, the suction head cannot be quickly adsorbed on the head of the fetus, and the timely delivery of the puerpera is not beneficial.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a fetal head suction midwifery device for obstetrics and gynecology department comprises a base, wherein a vertical column is fixedly installed at the top of the base, a chute is formed in one side of the vertical column, a piston is arranged in the chute, a cross rod is fixedly installed on one side of the piston, one end, away from the piston, of the cross rod extends out of the chute, an air inlet pipe and an air outlet pipe are fixedly installed on one side, away from the cross rod, of the vertical column, the air inlet pipe is positioned below the air outlet pipe, the air inlet pipe and the air outlet pipe are both communicated with the inside of the chute, a connecting seat is fixedly installed at one end, away from the vertical column, of the air inlet pipe, a suction hose is fixedly installed at one side, away from the air inlet pipe, of the suction hose, a fastening sealing sleeve is fixedly connected with one end, away from the, a first deflation cock is arranged in the first threaded hole, two ends of the first deflation cock extend out of the first threaded hole, a pressure gauge and a standpipe are fixedly arranged at the top of the air inlet pipe, the pressure gauge and the standpipe are communicated with the inside of the air inlet pipe, a first one-way valve is fixedly arranged on the air inlet pipe, a second one-way valve is fixedly arranged on the air outlet pipe, one end of the air outlet pipe, which is far away from the upright post, is fixedly connected with an air pipe, the air pipe is communicated with the air outlet pipe, a fixed seat is fixedly arranged at the top of the upright post, two second cavities are arranged on the fixed seat, movable plates are arranged in the two second cavities, two springs are fixedly arranged on the sides, which are close to each other, of the two movable plates, one ends, which are close to each other, of the four springs are respectively and fixedly connected with the inner wall of one side of, the equal fixed mounting in one side that two fly leafs kept away from each other has the slide bar, the slide opening has all been seted up on the one side inner wall that two second cavitys kept away from each other, corresponding slide opening is run through respectively to the one end that two slide bars kept away from each other, the equal fixed mounting in one end that two slide bars kept away from each other has the arc fagging, the second screw hole has all been seted up on the top inner wall of two second cavitys, the second gassing cock is installed to the equal screw thread in two second screw holes, the top of two second gassing cocks extends to outside the corresponding second screw hole respectively.

Preferably, a circular plate is fixedly installed at one end, far away from the piston, of the cross rod, and anti-skid grains are formed in the circular plate.

Preferably, the air outlet pipe is fixedly provided with a first stop valve between the pressure gauge and the air pipe, and the vertical pipe is fixedly provided with a second stop valve.

Preferably, the top inner wall and the bottom inner wall of the sliding groove are fixedly provided with stop blocks, and the two stop blocks are in contact with one side of the piston.

Preferably, the piston is in sliding sealing contact with the inner wall of the sliding groove, and the two movable plates are in sliding sealing contact with the inner wall of the corresponding second cavity respectively.

Preferably, a first butterfly handle is fixedly installed at the bottom end of the first deflation cock, and second butterfly handles are fixedly installed at the top ends of the two second deflation cocks.

Preferably, the top and the bottom of the two slide bars are both provided with a limiting groove, the top and the bottom of the two slide holes are both fixedly provided with a limiting rod, and the four limiting rods are respectively slidably arranged in the corresponding limiting grooves.

Preferably, sponge pads are fixedly arranged on one sides, far away from each other, of the two arc-shaped supporting plates.

(III) advantageous effects

The invention provides a fetal head suction midwifery device for obstetrics and gynecology department. The method has the following beneficial effects:

(1) the fetal head suction midwifery device for the obstetrics and gynecology department is characterized in that a base is placed at a proper position on an obstetric table, a fixed seat and two arc supporting plates are positioned between two legs of a lying-in woman, a second stop valve is opened, a circular plate is held to horizontally and horizontally pull the circular plate, in the process that a piston horizontally reciprocates in a sliding groove, outside air is sucked into the sliding groove through a vertical pipe, an air inlet pipe and a first check valve in sequence and then enters into two second cavities through an air outlet pipe, a second check valve, an air delivery pipe and a connecting hole in sequence, air pressure in the two second cavities is gradually increased, the two movable plates are pushed by air pressure to slide towards the directions away from each other, four springs are stressed, stretched and deformed to generate elasticity, the two movable plates drive corresponding sliding rods and the arc supporting plates to move, the distance between the two arc supporting plates is gradually increased, and when strutting the two legs of lying-in woman to suitable position, stop the horizontal pull to the plectane, close the second stop valve, thereby through to two second intracavity air delivery, utilize the atmospheric pressure to adjust the distance between two arc faggings, utilize two arc faggings to strut the two legs of lying-in woman fixedly, avoid the lying-in woman to be unfavorable for doctor's work of giving birth at the parturition in-process both legs, still can prevent that lying-in woman's both legs from moving and receiving the problem of injury to the foetus.

(2) The fetal head suction midwifery device for the obstetrics and gynecology department is characterized in that a suction head is placed in an obstetric channel to be contacted with the middle position of the head top of a fetus, then a circular plate is held to horizontally pull and draw, a piston horizontally reciprocates in a chute, air in a space formed by the contact of the suction head and the fetal head is sucked into the chute through a fastening sealing sleeve, a suction hose, a first cavity, an air inlet pipe and a first check valve in sequence and then is discharged into two second cavities through an air outlet pipe and an air delivery pipe, so that negative pressure is generated inside the suction head, the air in the suction head can be rapidly extracted, the suction head is rapidly adsorbed on the fetal head, time is saved, the reading of a pointer on a pressure gauge is the negative pressure value in the suction head, the judgment of the negative pressure value in the suction head by medical staff can be helped, and the damage to the head caused by the overlarge negative pressure in the suction head is avoided, when the negative pressure value in the suction head is pumped to a proper value, the suction hose and the suction head can be pulled to match the force of the lying-in woman, and then the fetus can be taken out.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is a right view of the structure of the present invention.

In the figure: 1. a base; 2. a column; 3. a chute; 4. a piston; 5. a cross bar; 6. an air inlet pipe; 7. an air outlet pipe; 8. a connecting seat; 9. a suction hose; 10. fastening the sealing sleeve; 11. a suction head; 12. a first cavity; 13. a first threaded hole; 14. a first bleed cock; 15. a pressure gauge; 16. a first check valve; 17. a second one-way valve; 18. a gas delivery pipe; 19. a fixed seat; 20. a second cavity; 21. a movable plate; 22. a spring; 23. connecting holes; 24. a slide bar; 25. a slide hole; 26. an arc-shaped supporting plate; 27. a second threaded hole; 28. a second bleed cock; 29. a circular plate; 30. a first shut-off valve; 31. a vertical tube; 32. a second shut-off valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: a fetal head suction midwifery device for obstetrics and gynecology department comprises a base 1, wherein a vertical column 2 is fixedly installed at the top of the base 1, a chute 3 is formed in one side of the vertical column 2, a piston 4 is arranged in the chute 3, a cross rod 5 is fixedly installed on one side of the piston 4, one end, far away from the piston 4, of the cross rod 5 extends out of the chute 3, an air inlet pipe 6 and an air outlet pipe 7 are fixedly installed on one side, far away from the cross rod 5, of the vertical column 2, the air inlet pipe 6 is positioned below the air outlet pipe 7, the air inlet pipe 6 and the air outlet pipe 7 are both communicated with the inside of the chute 3, a connecting seat 8 is fixedly installed at one end, far away from the vertical column 2, of the air inlet pipe 6, a suction hose 9 is fixedly installed at one side, far away from the air inlet pipe 6, the air inlet pipe 6 and the suction hose 9 are both communicated with a first cavity 12, a first threaded hole 13 is formed in the inner wall of the bottom of the first cavity 12, a first deflation cock 14 is installed in the first threaded hole 13 through threads, both ends of the first deflation cock 14 extend out of the first threaded hole 13, a pressure gauge 15 and a vertical pipe 31 are fixedly installed at the top of the air inlet pipe 6, the pressure gauge 15 and the vertical pipe 31 are both communicated with the inside of the air inlet pipe 6, a first check valve 16 is fixedly installed on the air inlet pipe 6, a second check valve 17 is fixedly installed on the air outlet pipe 7, an air pipe 18 is fixedly connected to one end, far away from the upright post 2, of the air outlet pipe 7, the air pipe 18 is communicated with the air outlet pipe 7, a fixed seat 19 is fixedly installed at the top of the upright post 2, two second cavities 20 are formed in the fixed seat 19, movable plates 21 are respectively arranged in, the one end that four springs 22 are close to each other is respectively with one side inner wall fixed connection of corresponding second cavity 20, same connecting hole 23 has been seted up on the one side inner wall that two second cavities 20 are close to each other, the one end fixed mounting that outlet duct 7 was kept away from to air-supply pipe 18 is linked together at the bottom of fixing base 19 and with connecting hole 23, the equal fixed mounting in one side that two fly leafs 21 were kept away from each other has slide bar 24, all seted up slide opening 25 on the one side inner wall that two second cavities 20 were kept away from each other, the one end that two slide bar 24 were kept away from each other runs through corresponding slide opening 25 respectively, the equal fixed mounting in one end that two slide bar 24 were kept away from each other has arc fagging 26, second screw hole 27 has all been seted up on the top inner wall of two second cavities 20, equal threaded mounting has second gassing cock 28 in two second screw holes 27, the top.

A circular plate 29 is fixedly arranged at one end of the cross rod 5 far away from the piston 4, anti-skid lines are arranged on the circular plate 29, a first stop valve 30 positioned between the pressure gauge 15 and the air delivery pipe 18 is fixedly arranged on the air outlet pipe 7, a second stop valve 32 is fixedly arranged on the vertical pipe 31, stop blocks are fixedly arranged on the inner wall of the top part and the inner wall of the bottom part of the sliding chute 3, both the stop blocks are contacted with one side of the piston 4, the piston 4 is in sliding sealing contact with the inner wall of the sliding chute 3, two movable plates 21 are respectively in sliding sealing contact with the inner wall of the corresponding second cavity 20, a first butterfly handle is fixedly arranged at the bottom end of the first air discharge cock 14, second butterfly handles are fixedly arranged at the top ends of two second air discharge cocks 28, limiting grooves are arranged at the top parts and the bottom parts of two sliding rods 24, limiting rods are fixedly arranged at the top parts, the sponge cushion is fixedly arranged on one side of each arc supporting plate 26 far away from each other.

In this embodiment, according to the fetal head suction midwifery device for obstetrics and gynecology department disclosed in the publication No. CN209863994U, a first fastening sealing ring and a second fastening sealing ring are installed in the fastening sealing sleeve 10, the suction head 11 is composed of a connecting pipe, a rubber contraction ring, a ring opening and a flap structure, the first stop valve 30 and the second stop valve 32 are both normally closed, when in use, the base 1 is first placed at a proper position on the obstetric table, so that the fixing base 19 and the two arc-shaped supporting plates 26 are positioned between the legs of the parturient, by opening the second stop valve 32, the circular plate 29 is held by hand to horizontally pull and pull, so that the circular plate 29 drives the cross bar 5 and the piston 4 to horizontally reciprocate in the chute 3, and in the process of horizontally reciprocating the piston 4 in the chute 3, the outside air is sucked into the chute 3 through the vertical pipe 31, the air inlet pipe 6 and the first one-way valve 16 in sequence, then the air enters the two second cavities 20 through the air outlet pipe 7, the second one-way valve 17, the air pipe 18 and the connecting hole 23 in sequence, the air pressure in the two second cavities 20 is gradually increased along with the continuous entering of the air, the two movable plates 21 are pushed to slide in the direction away from each other by utilizing the air pressure, the four springs 22 are stressed, stretched and deformed to generate elasticity, the two movable plates 21 drive the corresponding sliding rods 24 and the corresponding arc-shaped supporting plates 26 to move, so that the distance between the two arc-shaped supporting plates 26 is gradually increased, the four limiting rods respectively slide in the corresponding limiting grooves, when the sponge cushions on the two arc-shaped supporting plates 26 are respectively contacted with the inner sides of the two legs of the puerpera and prop the two legs of the puerpera to proper positions, the transverse horizontal drawing of the circular plate 29 is stopped, the second stop valve 32 is closed, and the air can be conveyed into the two second cavities 20 through, the distance between the two arc supporting plates 26 is adjusted by air pressure, the two arc supporting plates 26 are used for strutting and fixing the two legs of the lying-in woman, the problem that the lying-in woman is not beneficial to the delivery work of a doctor due to the disorder of the two legs in the delivery process is avoided, the problem that the lying-in woman is injured by the disorder of the two legs of the lying-in woman is also prevented, after the two legs of the lying-in woman are strutting to proper positions, the first stop valve 30 is opened, medical staff firstly put the suction head 11 into an birth canal, put the suction head 11 in the middle position of the head top of the fetus and contact with the head of the fetus, then hold the circular plate 29 to horizontally pull and pull, so that the piston 4 horizontally reciprocates in the sliding groove 3, air in a space formed by the contact of the suction head 11 and the head of the fetus is sequentially sucked into the sliding groove 3 through the fastening sealing sleeve 10, the suction hose 9, the first cavity, then the air is discharged into the two second cavities 20 through the air outlet pipe 7 and the air pipe 18, so that negative pressure is generated inside the suction head 11, the suction head 11 sucks the head of the fetus, air in the suction head 11 can be quickly extracted, the suction head 11 is quickly adsorbed on the head of the fetus, time is saved, the reading of a pointer on the pressure gauge 15 is the negative pressure value in the suction head 11, so that medical staff can judge the negative pressure value in the suction head 11, the head of the fetus is prevented from being damaged due to overlarge negative pressure in the suction head 11, when the negative pressure value in the suction head 11 is extracted to a proper value, the transverse horizontal drawing of the circular plate 29 is stopped, the suction hose 9 and the suction head 11 can be pulled to be matched with the force of the puerpera to take out the fetus, after delivery is finished, the first deflation cock 14 is screwed out, so that outside air enters the first cavity 12, the pressure in the suction head 11 is recovered, the suction head 11 can be removed from the fetal head, the two second deflation cock 28 are unscrewed to exhaust the air in the two second cavities 20, the two movable plates 21 drive the corresponding slide rods 24 and the corresponding arc-shaped supporting plates 26 to move towards the direction of approaching each other under the action of the elastic force of the four springs 22, and the two arc-shaped supporting plates 26 gradually return to the original position, and the details which are not described in detail in the present specification belong to the prior art known to those skilled in the art.

To sum up, the fetal head suction midwifery device for obstetrics and gynecology department is characterized in that the base 1 is placed at a proper position on the obstetric table, the fixed seat 19 and the two arc-shaped supporting plates 26 are positioned between two legs of a lying-in woman, the second stop valve 32 is opened, the circular plate 29 is held by hand to horizontally pull and draw, so that in the process that the piston 4 horizontally reciprocates in the chute 3, the outside air is sucked into the chute 3 through the vertical tube 31, the air inlet tube 6 and the first one-way valve 16 in sequence, then enters the two second cavities 20 through the air outlet tube 7, the second one-way valve 17, the air delivery tube 18 and the connecting hole 23 in sequence, the air pressure in the two second cavities 20 is gradually increased, the two movable plates 21 are pushed by the air pressure to slide towards the directions away from each other, the four springs 22 are stressed to be stretched and deformed to generate elastic force, the two movable plates 21 drive the corresponding sliding rods 24, the sponge cushions on the two arc supporting plates 26 are respectively contacted with the inner sides of the legs of the lying-in woman, when the legs of the lying-in woman are stretched to proper positions, the transverse horizontal drawing of the circular plate 29 is stopped, the second stop valve 32 is closed, air is conveyed into the two second cavities 20, the distance between the two arc supporting plates 26 is adjusted by air pressure, the legs of the lying-in woman are stretched and fixed by the two arc supporting plates 26, the phenomenon that the legs of the lying-in woman move disorderly in the delivery process to avoid the inconvenience of a doctor for helping the delivery work of the lying-in woman, and the problem that the fetus is injured due to the disorderly movement of the legs of the lying-in woman can be prevented, the suction head 11 is placed in the delivery passage to enable the suction head 11 to be contacted with the middle position of the head top of the fetus, then the circular plate 29 is held to be horizontally drawn, so that the piston 4 horizontally reciprocates in the sliding groove 3, and air in, The suction hose 9, the first cavity 12, the air inlet pipe 6 and the first one-way valve 16 are sucked into the chute 3 and then are discharged into the two second cavities 20 through the air outlet pipe 7 and the air delivery pipe 18, so that negative pressure is generated inside the suction head 11, air in the suction head 11 can be rapidly extracted, the suction head 11 can be rapidly adsorbed on the head of a fetus, time is saved, the reading of a pointer on the pressure gauge 15 is the negative pressure value inside the suction head 11, medical staff can be helped to judge the negative pressure value inside the suction head 11, the head of the fetus is prevented from being damaged due to overlarge negative pressure inside the suction head 11, when the negative pressure value inside the suction head 11 is extracted to a proper value, the suction hose 9 and the suction head 11 can be pulled to be matched with the force of a lying-in woman, the fetus can be taken out, the invention has reasonable design and good practicability, and can utilize air pressure to adjust the distance between the two arc supporting plates 26, utilize two arc fagging 26 to strut the both legs of lying-in woman fixedly, avoid the lying-in woman to be unfavorable for doctor's help lying-in woman's childbirth work in the disorderly leg of childbirth in-process, still can prevent that lying-in woman's both legs from disorderly moving and receive the injury to the foetus, the utilization that moreover can be quick attracts head 11 to hold foetal head, saves time, is convenient for in time to deliver.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fetal head attraction midwifery device of gynaecology and obstetrics, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a stand column (2), one side of the stand column (2) is provided with a chute (3), a piston (4) is arranged in the chute (3), one side of the piston (4) is fixedly provided with a cross rod (5), one end of the cross rod (5) far away from the piston (4) extends out of the chute (3), one side of the stand column (2) far away from the cross rod (5) is fixedly provided with an air inlet pipe (6) and an air outlet pipe (7), the air inlet pipe (6) is positioned below the air outlet pipe (7), the air inlet pipe (6) and the air outlet pipe (7) are both communicated with the interior of the chute (3), one end of the air inlet pipe (6) far away from the stand column (2) is fixedly provided with a connecting seat (8), one side of the connecting seat (8) far away from the air inlet pipe (6) is fixedly provided, a suction head (11) is fixedly installed at one end, far away from a suction hose (9), of a fastening sealing sleeve (10), a first cavity (12) is formed in a connecting seat (8), an air inlet pipe (6) and the suction hose (9) are communicated with the first cavity (12), a first threaded hole (13) is formed in the inner wall of the bottom of the first cavity (12), a first deflation cock (14) is installed in the first threaded hole (13) in a threaded manner, two ends of the first deflation cock (14) extend out of the first threaded hole (13), a pressure gauge (15) and a vertical pipe (31) are fixedly installed at the top of the air inlet pipe (6), the pressure gauge (15) and the vertical pipe (31) are communicated with the inside of the air inlet pipe (6), a first check valve (16) is fixedly installed on the air inlet pipe (6), a second check valve (17) is fixedly installed on the air outlet pipe (7), one end, far away from an upright post (2), of the air, the gas pipe (18) is communicated with the gas outlet pipe (7), a fixed seat (19) is fixedly installed at the top of the upright post (2), two second cavities (20) are formed in the fixed seat (19), movable plates (21) are arranged in the two second cavities (20), two springs (22) are fixedly installed on one sides, close to each other, of the two movable plates (21), one ends, close to each other, of the four springs (22) are fixedly connected with the inner wall of one side of the corresponding second cavity (20), the inner wall of one side, close to each other, of the two second cavities (20) is provided with the same connecting hole (23), one end, far away from the gas outlet pipe (7), of the gas pipe (18) is fixedly installed at the bottom of the fixed seat (19) and communicated with the connecting hole (23), a sliding rod (24) is fixedly installed on one side, far away from each other, of the two movable plates (21), and a sliding hole (, the one end that two slide bars (24) kept away from each other runs through corresponding slide opening (25) respectively, the equal fixed mounting of one end that two slide bars (24) kept away from each other has arc fagging (26), second screw hole (27) have all been seted up on the top inner wall of two second cavitys (20), equal threaded mounting has second gassing cock (28) in two second screw holes (27), the top of two second gassing cocks (28) extends to outside corresponding second screw hole (27) respectively.

2. The fetal head attracting midwifery device of claim 1, wherein: one end of the cross rod (5) far away from the piston (4) is fixedly provided with a circular plate (29), and the circular plate (29) is provided with anti-skid grains.

3. The fetal head attracting midwifery device of claim 1, wherein: and a first stop valve (30) positioned between the pressure gauge (15) and the gas pipe (18) is fixedly arranged on the gas outlet pipe (7), and a second stop valve (32) is fixedly arranged on the vertical pipe (31).

4. The fetal head attracting midwifery device of claim 1, wherein: the top inner wall and the bottom inner wall of the sliding groove (3) are fixedly provided with stop blocks, and the two stop blocks are in contact with one side of the piston (4).

5. The fetal head attracting midwifery device of claim 1, wherein: the piston (4) is in sliding sealing contact with the inner wall of the sliding groove (3), and the two movable plates (21) are in sliding sealing contact with the inner wall of the corresponding second cavity (20) respectively.

6. The fetal head attracting midwifery device of claim 1, wherein: the bottom end of the first deflating cock (14) is fixedly provided with a first butterfly handle, and the top ends of the two second deflating cocks (28) are fixedly provided with second butterfly handles.

7. The fetal head attracting midwifery device of claim 1, wherein: limiting grooves are formed in the tops and the bottoms of the two sliding rods (24), limiting rods are fixedly mounted at the tops and the bottoms of the two sliding holes (25), and the four limiting rods are slidably mounted in the corresponding limiting grooves respectively.

8. The fetal head attracting midwifery device of claim 1, wherein: and one sides of the two arc supporting plates (26) far away from each other are fixedly provided with spongy cushions.