CN113576818B

CN113576818B - Antenatal examination device of gynaecology and obstetrics

Info

Publication number: CN113576818B
Application number: CN202110881684.0A
Authority: CN
Inventors: 武建利; 王黎; 汪洋; 李玲; 杨蓉
Original assignee: First Affiliated Hospital of Xinjiang Medical University
Current assignee: First Affiliated Hospital of Xinjiang Medical University
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2023-03-24
Anticipated expiration: 2041-08-02
Also published as: CN113576818A

Abstract

The invention belongs to the technical field of gynecological examination beds, and particularly relates to a prenatal examination device for obstetrics and gynecology department, which comprises a base, a seat plate, leg plates and a bed plate, wherein a support column is fixedly connected between the seat plate and the bottom plate, the leg plates and the bed plate are respectively arranged at two sides of the seat plate, rotating shafts are respectively connected at two sides of the seat plate in a rotating manner, the leg plates and the bed plate are respectively fixedly connected with the two rotating shafts, driving wheels are respectively fixedly connected at two ends of the two rotating shafts, a driving belt is connected between the two driving wheels at the same side of the two rotating shafts, a first protection cover is respectively arranged at two sides of the seat plate, a plurality of jacking mechanisms and a plurality of telescopic mechanisms are arranged on the base, each jacking mechanism is arranged below the leg plate and is connected with the leg plate, and each telescopic mechanism is arranged below the bed plate and is connected with the bed plate; the invention solves the problem that the prior examination bed has simple and fixed structure, and is inconvenient for a puerpera to support the puerpera to climb up the examination bed when the puerpera climbs up the examination bed.

Description

Antenatal examination device of gynaecology and obstetrics

Technical Field

The invention belongs to the technical field of gynecological examining tables, and particularly relates to a prenatal examining device for obstetrics and gynecology department.

Background

Prenatal care refers to the provision of a series of medical and nursing advice and measures for pregnant women in order to reduce the adverse effects of complications through early prevention and discovery of complications for the monitoring of pregnant women and fetuses, during which the provision of proper examination and medical advice is critical to reduce maternal and perinatal mortality.

When the lying-in woman carries out the prenatal examination, usually lie flat of lying-in woman and on the inspection bed, examine by professional obstetrician, however at this in-process, because the lying-in woman has the physical and pregnant movement inconvenience to present inspection bed simple structure is fixed, consequently when the lying-in woman climbs the inspection bed, need many accompanying and attending personnel to join in marriage the lying-in woman and climb the inspection bed, and is not convenient enough, consequently, we propose a prenatal examination device of gynaecology and obstetrics, can make things convenient for the lying-in woman to carry out the prenatal examination.

Disclosure of Invention

The purpose of the invention is: aims at providing a prenatal examination device for obstetrics and gynecology department to solve the problem that the prior examination bed is simple in structure, when a puerpera climbs the examination bed, a plurality of nursing personnel are needed to support the puerpera in an assisting manner to climb the examination bed, and the examination bed is not convenient enough.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a prenatal examination device for obstetrics and gynecology department comprises a base, a seat plate, leg plates and a bed plate, wherein a support column is fixedly connected between the seat plate and a bottom plate, and the leg plates and the bed plate are respectively arranged on two sides of the seat plate;

the two sides of the seat board are rotatably connected with rotating shafts, the leg board and the bed board are respectively and fixedly connected with the two rotating shafts, two ends of each rotating shaft are respectively and fixedly connected with a driving wheel, a driving belt is connected between the two driving wheels on the same side of the two rotating shafts, and first protective covers are arranged on two sides of the seat board;

the base is provided with a plurality of jacking mechanisms and a plurality of telescopic mechanisms, each jacking mechanism is located below the leg plate and connected with the leg plate, and each telescopic mechanism is located below the bed plate and connected with the bed plate.

The doctor can make leg board, bedplate and bed board warp to the seat to make things convenient for the lying-in woman to sit on the bedplate, then warp leg board, bedplate and bed board into the inspection bed by the seat again, thereby avoid the lying-in woman because of the inconvenience of moving, be not convenient for climb the problem that the inspection bed carried out the prenatal examination.

Each jacking mechanism comprises a hydraulic cylinder, a hydraulic ejector rod and a first push plate, the end part of the hydraulic ejector rod is hinged with the lower side of the first push plate, and the first push plate is connected to the lower side of the leg plate in a sliding mode.

When climbing mechanism's pneumatic cylinder drove hydraulic ram up-and-down motion, can stimulate first push pedal up-and-down motion to make the anticlockwise upset motion that up of leg board to with the bedplate parallel and level or clockwise down the upset, at this in-process, first push pedal slides for the leg board downside.

The lower side of the leg plate is symmetrically provided with first limiting slide rails, and the first push plate is symmetrically provided with first limiting slide blocks matched with the first limiting slide rails.

Through the spacing cooperation of first spacing slide rail and first spacing slider, it is more stable when can making first push pedal slide for the leg board downside.

Each telescopic mechanism comprises a telescopic rod and a second push plate, the end part of the telescopic rod is hinged with the lower side of the second push plate, and the second push plate is connected to the lower side of the bed plate in a sliding mode.

In the leg plate motion in-process, through the transmission of drive wheel and drive belt, can make the bed board overturn according to the same direction with the leg plate, when the anticlockwise up roll-over motion of leg plate to bedplate parallel and level, the bed board can anticlockwise down overturn to with the bedplate parallel and level, the telescopic link is retracted and is shortened, thereby make the lying-in woman lie flat, when the clockwise down upset of leg plate, the bed board can clockwise up overturn and change into the seat, the telescopic link stretches out the lengthening, thereby make the lying-in woman can sit on the bedplate, place shank and bed board through the leg plate and support the upper part of the body, at this in-process, the second push pedal slides for the bed board downside.

The bed board downside symmetry is equipped with the spacing slide rail of second, the second push pedal symmetry be equipped with the spacing slide rail assorted of second spacing slider.

Through the spacing cooperation of the spacing slide rail of second and the spacing slider of second, it is more stable when can make the second push pedal slide for the bed board downside.

The bed board is close to the mounting groove has been seted up to bedplate one side, mounting groove internally mounted has massage mechanism, massage mechanism is including hollow tube, sleeve pipe and a plurality of elasticity massage gasbag, hollow tube one end with mounting groove inner wall fixed connection and the other end run through the bed board, the hollow tube is close to bedplate one side with keep away from bedplate one side has all seted up first bar groove, the cover pipe box is located the hollow tube outer wall, the sleeve pipe with sealed and rotate the connection between the hollow tube, sheathed tube tip runs through fixedly connected with brake assembly behind the bed board, brake assembly is used for driving the sleeve pipe by the bedplate to the directional rotation of bed board, each elasticity massage gasbag evenly set up in the sleeve pipe outer wall, the sleeve pipe seted up with each elasticity massage gasbag assorted second bar groove, the hollow tube middle part is equipped with the baffle, the baffle with the bed board is to perpendicular, the hollow tube is worn out the one end of bed board is close to bedplate one side fixedly connected with intake pipe, the air pump is installed to the bed board bottom, the intake pipe with air pump fixed connection, the hollow tube is located the one end of mounting groove is kept away from bedplate one side fixedly connected with the blast pipe.

When the sleeve of the massage mechanism is driven by the brake assembly and directionally rotates towards the bed plate by the bed plate, each elastic massage air bag can be driven to rotate along with the sleeve, the hollow pipe is fixed, when air is pumped into the air inlet pipe by the air pump, the second strip-shaped groove of the sleeve can move to be communicated with the first strip-shaped groove close to the bed plate, at the moment, the air can enter the corresponding elastic massage air bag to inflate the elastic massage air bag to swell, and meanwhile, the swelled elastic massage air bag rotates towards the bed plate by the bed plate along with the sleeve; when the expanded elastic massage air bag moves to be communicated with the first strip-shaped groove far away from the seat plate, the partition plate is arranged inside the hollow tube, so that the elastic massage air bag is elastically retracted and deflated, the air inside the elastic massage air bag is pressed into the hollow tube, and the air is led out through the exhaust pipe, so that the space inside the mounting groove is reduced by the elastic massage air bag; until the second bar-shaped groove corresponding to the elastic massage air bag moves to be communicated with the first bar-shaped groove close to the seat board again, the elastic massage air bag inflates and swells again, and the back of the lying-in woman can be continuously massaged by reciprocating in the way.

Brake assembly is including motor, gear and outer ring gear, the output shaft of motor with gear fixed connection, outer ring gear with gear engagement match and fixed set up in sheathed tube tip, brake assembly still is equipped with the second safety cover.

The motor drives the gear to rotate directionally from the bed plate to the bed plate, and the sleeve can rotate directionally from the bed plate to the bed plate through the meshing fit of the gear and the outer gear ring; the second safety cover that sets up can protect brake assembly.

An air channel is further formed in the bed board, the exhaust pipe is communicated with the air channel, and a plurality of air holes communicated with the air channel are formed in the bed board.

The air that derives through the blast pipe can get into the wind channel in, disperses through the air vent to lying-in woman's back blast air prevents long-time prenatal examination, makes lying-in woman back amasss sweat.

And a soft pad is bonded on the surface of the mounting groove.

The cushion can make the lying-in woman lie or lean on when the bed board on the one hand, can be more comfortable, and on the other hand can shelter from the mounting groove, makes the device more pleasing to the eye.

The bedplate, the leg board with the bedplate both sides all install the baffle.

The lying-in woman can be prevented from sliding down from the seat board, the leg board or the bed board through the baffle, and a certain safety protection effect is achieved.

The doctor can down drive the leg board through control climbing mechanism and down clockwise turning for the bedplate, cooperation through drive wheel and drive belt, thereby make the bedplate up clockwise turning for the bedplate, be out of shape to the seat, then the doctor controls climbing mechanism up again and drives the leg board up anticlockwise turning for the bedplate, on the same order, can make the bedplate down anticlockwise turning for the bedplate, until leg board and bedplate all rotate to with the bedplate parallel and level, can be out of shape by the seat and be the inspection bed, thereby avoid the lying-in woman because of the action inconvenience, be not convenient for climb up the problem that the inspection bed carries out the antenatal examination.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a first schematic view of a seat in a variation of the prenatal examination apparatus of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is a second schematic view of a chair according to an embodiment of the antenatal examination apparatus of obstetrics and gynecology department of the present invention;

FIG. 5 is an enlarged view of the structure at C in FIG. 4;

FIG. 6 is a schematic view of a modified embodiment of the prenatal examination device of the obstetrics and gynecology department of the present invention as an examination couch;

FIG. 7 is a schematic view of a partial cross-sectional structure of a modified examination couch of an antenatal examination apparatus of a gynaecology and obstetrics department according to an embodiment of the present invention;

FIG. 8 is an enlarged view of the structure at D in FIG. 7;

FIG. 9 is a schematic view of a hollow tube of an embodiment of the prenatal examination device of the obstetrics and gynecology department of the present invention;

FIG. 10 is a cross-sectional view of the mounting structure of the hollow tube and cannula of the prenatal examination device of the present invention;

the main element symbols are as follows:

the massage bed comprises a base 1, a hydraulic cylinder 11, a hydraulic ejector rod 12, a first push plate 13, a first limit slide block 131, an expansion rod 14, a second push plate 15, a second limit slide block 151, a seat plate 2, a support column 21, a transmission wheel 23, a transmission belt 24, a first protection cover 25, a leg plate 3, a first limit slide rail 31, a bed plate 4, a second limit slide rail 41, a mounting groove 5, a hollow pipe 51, a first strip-shaped groove 511, a sleeve 52, a second strip-shaped groove 521, an elastic massage air bag 53, a partition plate 54, an air inlet pipe 55, an air pump 56, an exhaust pipe 57, a soft cushion 58, a motor 61, a gear 62, an outer gear ring 63, a second protection cover 64, an air duct 71, an air vent 72 and a baffle 8.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1-10, the prenatal examination device for obstetrics and gynecology department of the present invention comprises a base 1, a seat plate 2, leg plates 3 and a bed plate 4, wherein a support column 21 is fixedly connected between the seat plate 2 and the base plate 1, the leg plates 3 and the bed plate 4 are respectively arranged on two sides of the seat plate 2, two sides of the seat plate 2 are rotatably connected with rotating shafts, the leg plates 3 and the bed plate 4 are respectively fixedly connected with the two rotating shafts, two ends of the two rotating shafts are respectively fixedly connected with a driving wheel 23, a driving belt 24 is connected between the two driving wheels 23 on the same side of the two rotating shafts, two sides of the seat plate 2 are respectively provided with a first protection cover 25, the base 1 is provided with a plurality of jacking mechanisms and a plurality of telescopic mechanisms, each jacking mechanism is located below the leg plate 3 and connected with the leg plate 3, and each telescopic mechanism is located below the bed plate 4 and connected with the bed plate 4.

The supporting seat 21 is used for supporting the seat plate 2, so that the seat plate 2 is stably fixed on the bottom plate 1; the leg plates 3 and the bed plate 4 can be rotatably arranged on two sides of the seat plate 2 by fixedly connecting the leg plates 3 and the bed plate 4 with rotating shafts on two sides of the seat plate 2; the two driving wheels 23 at the same side can synchronously turn over the leg plate 3 and the bed plate 4 in the same direction and at the same angle through the transmission of the driving belt 24; the plurality of jacking mechanisms are used for pushing the leg plates 3 up and down; the plurality of telescopic mechanisms are used for positioning and supporting when the bed plate 4 is turned over up and down;

when using, because lying-in woman moves inconveniently, the doctor can drive leg board 3 down clockwise for bedplate 2 through control climbing mechanism, cooperation through drive wheel 23 and drive belt 24, thereby make bed board 4 up clockwise for bedplate 2, warp to the seat, lying-in woman is through sitting bedplate 2, the shank is placed in leg board 3, the back is leaned on at bed board 4, then the doctor controls climbing mechanism up and drives leg board 3 up and up anticlockwise rotate for bedplate 2, the same reason, can make bed board 4 down anticlockwise for bedplate 2, until leg board 3 and bed board 4 all rotate to with bedplate 2 parallel and level, can be out of shape by the seat and be the inspection bed, thereby make the lying-in woman that moves inconveniently can be on the inspection bed, avoid the lying-in woman because of moving inconveniently, be not convenient for climbing the problem that the inspection bed carries out prenatal examination.

Referring to fig. 1, 3, 4 and 6, each of the jacking mechanisms includes a hydraulic cylinder 11, a hydraulic ejector rod 12 and a first push plate 13, an end of the hydraulic ejector rod 12 is hinged to a lower side of the first push plate 13, and the first push plate 13 is slidably connected to a lower side of the leg plate 3.

When climbing mechanism's pneumatic cylinder 11 drove hydraulic ram 12 up-and-down motion, can stimulate first push pedal 13 up-and-down motion to make leg plate 3 anticlockwise up flip move to with bedplate 2 parallel and level or clockwise upset down, at this in-process, first push pedal 13 slides for leg plate 3 downside.

Referring to fig. 3, the lower side of the leg plate 3 is symmetrically provided with first limiting slide rails 31, and the first push plate 13 is symmetrically provided with first limiting slide blocks 131 matched with the first limiting slide rails 31.

Through the spacing cooperation of first spacing slide rail 31 and first spacing slider 131, can make first push pedal 13 more stable when sliding for leg plate 3 downside.

Referring to fig. 1, 2, 4 and 6, each of the telescoping mechanisms includes a telescoping rod 14 and a second push plate 15, an end of the telescoping rod 14 is hinged to a lower side of the second push plate 15, and the second push plate 15 is slidably connected to a lower side of the bed plate 4.

In 3 motion processes of leg board, through the transmission of drive wheel 23 with drive belt 24, can make bed board 4 overturn according to the same direction with leg board 3, when 3 anticlockwise up roll-over motion to bedplate 2 parallel and level of leg board, bed board 4 can anticlockwise down overturn to with bedplate 2 parallel and level, telescopic link 14 contracts and shortens, thereby make the lying-in woman can lie flat, when 3 clockwise down overturns of leg board, bed board 4 can clockwise up overturn and change into the seat, telescopic link 14 stretches out the lengthening, thereby make the lying-in woman can sit on bedplate 2, place shank and bed board 4 through leg board 3 and support the upper part of the body, in this process, second push pedal 15 slides for 4 downside of bed board.

Referring to fig. 2, a second limiting slide rail 41 is symmetrically arranged on the lower side of the bed plate 4, and a second limiting slide block 151 matched with the second limiting slide rail 41 is symmetrically arranged on the second push plate 15.

Through the spacing cooperation of second spacing slide rail 41 and second spacing slider 151, can make second push pedal 15 more stable when sliding for bed board 4 downside.

Referring to fig. 4 to 10, a mounting groove 5 is formed in one side, close to the seat plate 2, of the bed plate 4, a massage mechanism is installed inside the mounting groove 5, the massage mechanism includes a hollow tube 51, a sleeve 52 and a plurality of elastic massage air bags 53, one end of the hollow tube 51 is fixedly connected with the inner wall of the mounting groove 5, and the other end of the hollow tube penetrates through the bed plate 4, the hollow tube 51 is close to one side of the seat plate 2 and far away from one side of the seat plate 2, a first strip-shaped groove 511 is formed in the outer wall of the hollow tube 51, the sleeve 52 is connected with the hollow tube 51 in a sealing and rotating manner, the end of the sleeve 52 penetrates through a brake component fixedly connected to the back of the bed plate 4, the brake component is used for driving the sleeve 52 to rotate directionally towards the bed plate 4 from the seat plate 2, each elastic massage air bag 53 is uniformly arranged on the outer wall of the sleeve 52, a second strip-shaped groove 521 matched with each elastic massage air bag 53 is formed in the sleeve 52, a partition plate 54 is arranged in the middle of the hollow tube 51, the partition plate 54 is perpendicular to the hollow tube 4, one end of the hollow tube 51, one end, which penetrates through the base plate 4 is close to the bed plate 2, an air inlet tube 56 is fixedly connected to one side of the air pump 55, and an air pump 55 is installed at the bottom of the base plate 5, and is connected to one end of the air pump 51, and the mounting groove 57, and the air pump 5, and the mounting groove 57, and the base plate 5 are located on one side of the base plate 2.

When the sleeve 52 of the massage mechanism is driven by the brake component and rotates directionally from the seat plate 2 to the bed plate 4, each elastic massage air bag 53 can be driven to rotate along with the sleeve, because the hollow tube 51 is fixed, when the air pump 56 pumps air into the air inlet pipe 55, the second strip-shaped groove 521 of the sleeve 52 can move to be communicated with the first strip-shaped groove 511 close to the seat plate 2, at the moment, the air can enter the corresponding elastic massage air bag 53, the elastic massage air bag 53 is inflated and expanded, meanwhile, the expanded elastic massage air bag 53 rotates from the seat plate 2 to the bed plate 4 along with the sleeve 52, because the sleeve 52 is in sealed and rotary connection with the hollow tube 51, after the second strip-shaped groove 521 corresponding to the expanded elastic massage air bag 53 rotates through the first strip-shaped groove 511 close to the seat plate 2, the elastic massage air bag 53 can be sealed and can not be deflated, and the back of the puerpera can be massaged by the expanded elastic massage air bag 53; when the expanded elastic massage air bag 53 moves to be communicated with the first strip-shaped groove 511 far away from the seat plate 2, the partition plate 54 is arranged inside the hollow tube 51, so that the elastic massage air bag 53 elastically retracts and collapses, the air inside is pressed into the hollow tube 51 and led out through the exhaust pipe 57, and the space occupied by the elastic massage air bag 53 in the mounting groove 5 is reduced; until the second strip-shaped groove 521 corresponding to the elastic massage air bag 53 moves to be communicated with the first strip-shaped groove 511 close to the seat plate 2 again, the elastic massage air bag 53 inflates and swells again, and the back of the lying-in woman can be continuously massaged by reciprocating in this way.

Referring to fig. 5, the brake assembly includes a motor 61, a gear 62 and an outer ring gear 63, an output shaft of the motor 61 is fixedly connected with the gear 62, the outer ring gear 63 is engaged with the gear 62 and fixedly disposed at an end of the sleeve 52, and the brake assembly is further equipped with a second protective cover 64.

The gear 62 is driven by the motor 61 to rotate directionally from the bed plate 4 to the bed plate 2, and the sleeve 52 can rotate directionally from the bed plate 2 to the bed plate 4 through the meshing fit with the outer gear ring 63; a second protective cover 64 is provided to protect the brake assembly.

Referring to fig. 8, an air duct 71 is further formed inside the bed plate 4, the exhaust pipe 57 is communicated with the air duct 71, and a plurality of vent holes 72 communicated with the air duct 71 are formed in the bed plate 4.

The air led out through the exhaust pipe 57 can enter the air duct 71 and be diffused through the vent hole 72, so that the air is blown to the back of the lying-in woman, the long-time prenatal examination is prevented, and the back of the lying-in woman is prevented from accumulating sweat.

Referring to fig. 6, a soft pad 58 is adhered to the surface of the mounting groove 5.

The cushion 58 enables on the one hand a lying-in woman to lie on or lean against the bed plate 4, which is more comfortable, and on the other hand it is able to shield the mounting groove 5, which makes the device more aesthetic.

Referring to fig. 1, 4 and 6, baffles 8 are mounted on both sides of the bed plate 2, the leg plates 3 and the bed plate 4.

The baffle 8 can prevent the lying-in woman from sliding down from the seat board 2, the leg board 3 or the bed board 4, and has a certain safety protection effect.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a gynaecology and obstetrics antenatal inspection device which characterized in that: the bed comprises a base, a seat plate, leg plates and a bed plate, wherein a supporting column is fixedly connected between the seat plate and the base, and the leg plates and the bed plate are respectively arranged on two sides of the seat plate;

the base is provided with a plurality of jacking mechanisms and a plurality of telescopic mechanisms, each jacking mechanism is positioned below the leg plate and connected with the leg plate, and each telescopic mechanism is positioned below the bed plate and connected with the bed plate;

the bed board is close to the mounting groove has been seted up to bedplate one side, mounting groove internally mounted has massage mechanism, massage mechanism is including hollow tube, sleeve pipe and a plurality of elasticity massage gasbag, hollow tube one end with mounting groove inner wall fixed connection and the other end run through the bed board, the hollow tube is close to bedplate one side with keep away from bedplate one side has all seted up first bar groove, the bushing sleeve pipe cover is located the hollow tube outer wall, the sleeve pipe with sealed and rotate the connection between the hollow tube, sheathed tube tip runs through fixedly connected with brake assembly behind the bed board, brake assembly is used for driving the sleeve pipe by the bedplate to the directional rotation of bed board, each elasticity massage gasbag evenly set up in the sleeve pipe outer wall, the sleeve pipe seted up with each elasticity massage gasbag assorted second bar groove, the hollow tube middle part is equipped with the baffle, the baffle with the bed board is perpendicular, the hollow tube is worn out the one end of bed board is close to bedplate one side fixedly connected with intake pipe, the air pump is installed to the bed board bottom, the intake pipe with air pump fixed connection, the hollow tube is located the one end of mounting groove is kept away from bedplate one side fixedly connected with the blast pipe.

2. A prenatal examination device for obstetrics and gynecology department according to claim 1, wherein: each jacking mechanism comprises a hydraulic cylinder, a hydraulic ejector rod and a first push plate, wherein the end part of the hydraulic ejector rod is hinged with the lower side of the first push plate, and the first push plate is connected to the lower side of the leg plate in a sliding manner.

3. A prenatal examination apparatus for obstetrics and gynecology department as defined in claim 2, wherein: the lower side of the leg plate is symmetrically provided with first limiting slide rails, and the first push plate is symmetrically provided with first limiting slide blocks matched with the first limiting slide rails.

4. A prenatal examination device for obstetrics and gynecology department according to claim 1, wherein: each telescopic mechanism comprises a telescopic rod and a second push plate, the end part of the telescopic rod is hinged with the lower side of the second push plate, and the second push plate is connected to the lower side of the bed plate in a sliding mode.

5. An antenatal examination apparatus of obstetrics and gynecology department according to claim 4, wherein: the bed board downside symmetry is equipped with the spacing slide rail of second, the second push pedal symmetry be equipped with the spacing slide rail assorted of second spacing slider.

6. A prenatal examination device for obstetrics and gynecology department according to claim 1, wherein: brake assembly is including motor, gear and outer ring gear, the output shaft of motor with gear fixed connection, outer ring gear with gear engagement match and fixed set up in sheathed tube tip, brake assembly still is equipped with the second safety cover.

7. A prenatal examination device for obstetrics and gynecology department according to claim 1, wherein: an air channel is further formed in the bed board, the exhaust pipe is communicated with the air channel, and a plurality of air holes communicated with the air channel are formed in the bed board.

8. A prenatal examination device for obstetrics and gynecology department according to claim 1, wherein: and a soft pad is bonded on the surface of the mounting groove.

9. A prenatal examination device for obstetrics and gynecology department according to claim 1, wherein: the bedplate, the leg board with the bedplate both sides all install the baffle.