CN109966098A - Self-adjustable, which leans forward, to be kneeled position and practices midwifery device - Google Patents

Abstract

It leans forward the invention discloses a kind of self-adjustable and kneels position and practice midwifery device, including successively overturning the hassock of connection, pad of lying prone, bolster and controller, pad middle part of lying prone is equipped with cavity；It is additionally provided with elevating mechanism below bolster, elevating mechanism includes pedestal and lifter, and lifter is between bolster and pedestal；Pad of lying prone includes foremast, middle pad, rear pad, telescoping mechanism and driver, and telescoping mechanism includes sliding rail, slide bar, bascule and driver, and drive belts moving slide-bar is with respect to sliding rail activity；Controller is coupled with driver and lifter.Pass through controller, puerpera can the length of height to bolster voluntarily and pad of lying prone be adjusted according to own situation, so that puerpera quickly can be found the most accurate and comfortably lean forward and kneel pose gesture practicing midwifery on device, it lies prone and pads the cavity on surface and allow puerpera and lain prone with to climb volt posture and pad surface lying prone, trunk exerts a force under the support for device of practicing midwifery without arm, and puerpera is not easy to slide, it prevents from falling, ensures Material and infant safe.

Description

Self-adjusting forward leaning kneeling delivery device

technical field

The invention relates to a midwifery instrument, in particular to a self-adjusting forward-leaning kneeling position delivery device.

Background technique

At present, domestic women are usually in the supine position during delivery. When the mother is lying on her back, her body leans back against the birth mattress to form a backward posture, so that the gravity of the fetus is directed towards the mother's back spine, which aggravates the mother's back pain, causing the fetal longitudinal axis to be inconsistent with the maternal pelvic axis, which is not conducive to the fetal head entering the pelvis and rotating. , descending and delivery, resulting in abnormal position of the fetal head, prolonged or stagnant labor, and the mother eventually ended labor with dystocia and cesarean section.

When the fetus is in the occipital posterior position or the fetal head position is abnormal, the puerpera has pain in the lumbosacral region, or the puerpera is found to have intrauterine distress in the supine or lateral position, the midwives routinely suggest that the puerpera try to adjust the position, among which the forward kneeling position can increase the comfort of the puerpera It can promote the rotation of the fetal head, effectively correct the abnormal position of the fetal head and relieve the fetal distress.

The function of the forward-leaning kneeling position is as follows: the body of the parturient leans forward and the trunk is straight, which can effectively utilize the effect of gravity, so that the longitudinal axis of the fetus is consistent with the axis of the pelvis of the parturient, and the pelvis is not compressed, which is more beneficial than lying on the back and side. Diameter, space and capacity; facilitates back massage and maternal pelvic rocking; relieves the occurrence of umbilical cord compression; promotes effective pelvic entry, flexion, rotation, descent and delivery of the fetus in the maternal pelvic cavity.

At present, there is no special equipment for puerpera to perform delivery in the anteversion kneeling position. Generally, the puerpera is made to kneel on the bed or the floor, and the body leans forward on the head of the bed, chair, delivery ball or other supports. The object that is not supported or grasped by the hand of the puerpera is prone to fall when the puerpera exerts force (or the stage of fatigue after exertion), which brings serious safety hazards and risks. Therefore, multiple midwives are required to accompany them to fix The torso of the parturient can avoid the occurrence of danger, and also increase the labor intensity of the delivery personnel, occupying a large amount of medical human resources.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a self-adjusting forward-leaning kneeling position delivery device, through the controller, the puerpera can adjust the height of the pillow and the length of the lying pad according to her own situation, so that the puerpera can quickly The most accurate and comfortable forward-leaning kneeling position is found on the delivery device. The concave cavity on the surface of the lying pad enables the parturient to lie on the surface of the lying pad in a forward-kneeling position. Not easy to slip and fall, more secure.

In order to achieve the above purpose of the invention, the present invention adopts the following technical solutions: a self-adjusting forward-leaning kneeling position delivery device, comprising a kneeling pad, a lying pad and a pillow pad that are turned over and connected in turn, and the horizontal height of the pillow pad is greater than the level of the kneeling pad The height, the reclining cushion is inclined, and the middle part of the reclining cushion is provided with a concave cavity that matches the abdomen of the parturient; the lower part of the pillow cushion is also provided with a lifting mechanism for adjusting the height, the lifting mechanism includes a base and a lifter, and the lifter is located in Between the pillow cushion and the base; the lying cushion includes a front cushion, a middle cushion, a rear cushion, a telescopic mechanism and a driver, the front cushion is connected with the pillow cushion, the rear cushion is connected with the kneeling cushion, and the telescopic mechanism is used for the front cushion and the rear cushion to be opposite The middle pad moves, and the telescopic mechanism includes a slide rail, a slide bar, a movable structure and a driver. The front pad and the rear pad are fixed on different slide bars, the middle pad is fixed on the slide rail, and the driver drives the slide bar to move relative to the slide rail; The adjustable forward-leaning kneeling delivery device also includes a controller for coupling with the driver and the lifter.

Preferably, the movable structure is used for mirror-image synchronous movement of the front pad and the rear pad relative to the middle pad, the movable structure includes a transmission shaft and two sets of symmetrical movable assemblies, the transmission shaft is connected to the driver, and the symmetrical movable assembly includes two A rack and a synchronizing gear, the tooth surfaces of the two racks are arranged oppositely, the synchronizing gear meshes with the two racks at the same time, and the end of the transmission shaft meshes with the synchronizing gears in the two sets of symmetrical movable assemblies.

Preferably, the controller includes a height adjustment button and a height display; the pillow cushion is provided with a length adjustment button and a length display;

- Height adjustment button, coupled to the lifter, used to control the up or down of the pillow;

- a height display, coupled to the lifter, used to assist in displaying the height of the pillow;

- The lengthening button, coupled to the driver, is used to control the distance between the front pad and the rear pad relative to the middle pad;

- Length display, occasional and driver, used to assist in displaying the length of the pads.

Preferably, the bottom surface of the cavity is further provided with a clay plastic cavity, and the clay plastic cavity is filled with mud material, the mud material is a mixture of calcium carbonate powder, liquid paraffin and glycerin, and the outer layer of the clay plastic cavity is to prevent the mud material from contacting the air. Floor.

Preferably, an air cavity is further provided above the clay plastic cavity, the air cavity and the clay plastic cavity are separated by an isolation layer, the outside of the air cavity is closed by a surface layer, and the surface layer is provided with an inflatable nozzle, and the inflatable nozzle communicates with the air cavity.

Preferably, the front of the pillow is provided with a grasping rod for the parturient to grasp; the grasping rod includes a side gripping rod, and the side gripping rod is located on the front or upper surface of any two sides of the pillow.

Preferably, the gripping bar includes a total of two side grip bars, the side grip bars are all rectangular, and the side grip bars include an inner vertical bar, an upper horizontal bar, an outer vertical bar and a lower horizontal bar which are connected in sequence, and the lower horizontal bar is connected in sequence. The height of the rod is flush with the pillow cushion and located in front of the pillow cushion, the upper cross rod is located above the lower cross rod, the inner vertical rod is close to the middle of the pillow cushion, and the outer vertical rod is close to the side edge of the pillow cushion.

Preferably, the gripping bar includes a middle gripping bar, the middle gripping bar is located in front of the middle part of the pillow cushion, and the height of the middle gripping bar is flush with the pillow cushion.

Preferably, the base includes a bottom plate, a structural plate and a support column, a front support plate is arranged in front of the bottom plate, the front support plate and the bottom plate are integrally formed in a "convex" shape, the structural plate is located above the bottom plate, and the structure The two sides of the plate are connected with the lifting rod, and the two ends of the support column are connected with the support column and the front support plate.

Compared with the prior art, the self-adjusting forward-leaning kneeling delivery device that adopts the above technical solution has the following beneficial effects:

1. Adopt the self-adjusting forward-leaning kneeling position delivery device of the present invention, when using, the parturient kneels on the knee pad to avoid knee pain caused by kneeling and sitting for a long time, and then the thigh, abdomen and torso lie on the lying pad in an inclined posture Place your hands on top of the pillow and rest your head on your arms, or lay your head directly on the pillow and lean your body forward for a rest. The delivery device enables the puerpera to maintain a proper forward kneeling position, and can effectively utilize the effect of gravity, so that the longitudinal axis of the fetus is consistent with the pelvic axis of the puerpera, and the pelvis is not compressed, which is more beneficial to increase the size of the pelvis than lying on the supine and side. Diameter, space and capacity; facilitate back massage and maternal pelvic rocking; relieve the occurrence of umbilical cord compression; relieve wrist joint tension; promote effective pelvic entry, flexion, rotation, descent and delivery of the fetus in the maternal pelvic cavity.

2. The pillow is set on the side of the head, and the upper body is supported by the pillow and the lying cushion, which relieves the tension and pressure of the hands, and does not need the mother to support the arm, and avoids muscle spasm in the hands and arms.

3. Because the pillow and the lying pad support the entire torso, a concave cavity is opened in the middle of the lying pad, so that the parturient can put the abdomen into the concave cavity, so that the parturient can lie on the lying cushion with the abdominal cavity facing down. There is also a lying pad for support, so there is no need to worry about the mother slipping from the top of the delivery device, thus ensuring the safety of mother and baby.

With the assistance of the self-adjusting forward-leaning kneeling delivery device, the mother can achieve delivery in the forward-leaning kneeling position under the escort of her family members and a midwife, reducing the number of midwives involved. The delivery midwives only need to control the fetal head drop. The speed of delivery is enough, no need to support the torso of the parturient, reduce the manpower of the midwife, and reduce the labor intensity and physical exertion of the midwife's work.

4. During childbirth, the mother can grasp the pillow or the grip rod on the pillow to make the hand have a focus point, which can better control the force required during childbirth and reduce the probability of perineal laceration.

5. There is a lifting mechanism under the pillow. By adjusting the movement between the lifting rod and the lifting groove, the height of the pillow and the inclination angle of the lying cushion can be adjusted to meet the comfort needs of different mothers.

6. In the delivery device of the present invention, the lifting mechanism and the telescopic mechanism are all controlled by electric control, which can adjust the height of the pillow cushion and the length of the lying cushion adaptively. Because of the electric adjustment, the adjustment process is more intelligent. simplified and easily simplified. Therefore, the mother can adjust the height of the pillow and the length of the lying cushion through the controller by herself to achieve the most comfortable position, and can also adjust it with the assistance of the midwife.

Description of drawings

1 is a schematic structural diagram of an embodiment of a self-adjusting forward-leaning kneeling position delivery device according to the present invention.

2 is a side view of the self-adjusting forward-leaning kneeling delivery device in the embodiment.

FIG. 3 is a schematic diagram of the structure of the delivery device in the embodiment (in a raised and elongated state).

FIG. 4 is a side view of the delivery device in the embodiment (in a raised and elongated state).

FIG. 5 is a schematic structural diagram of the lifting mechanism in the embodiment.

FIG. 6 is a schematic structural diagram of the base in the embodiment.

FIG. 7 is a schematic view of the structure of the lying mat in the embodiment.

FIG. 8 is a cross-sectional view of the middle pad in the embodiment.

FIG. 9 is a schematic structural diagram of the middle pad and the telescopic mechanism in the embodiment.

FIG. 10 is a schematic structural diagram of the middle pad and the telescopic mechanism in the embodiment.

FIG. 11 is a partial enlarged view of A in FIG. 9 .

FIG. 12 is a schematic structural diagram of the height-adjusting and length-adjusting buttons and the height and length displays in the embodiment.

Reference numerals: 1, pillow; 10, top seat; 11, limit screw; 2, lying pad; 20, cavity; 201, surface layer; 202, air cavity; 203, isolation layer; 204, clay plastic cavity; 205 , air nozzle; 206, support plate; 21, front pad; 22, middle pad; 23, rear pad; 241, slide bar; 242, slide rail; 25, transmission shaft; 26, driver; 27, synchronous gear; 28, Rack; 3. Kneeling pad; 30. Groove; 4. Grip bar; 40. Side grip bar; 401, Inner vertical bar; 402, Upper cross bar; 403, Outer vertical bar; 404, Lower cross bar; 41 , middle grip rod; 5, base; 50, lift rod; 51, bottom plate; 52, front support plate; 53, support column; 54, structural plate; 55, bottom limit plate; 6, elevator; 71, height adjustment button ; 72, height display; 73, length adjustment button; 74, length display.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings.

As shown in Figures 1 to 12, the self-adjusting forward-leaning kneeling delivery device includes kneeling pad 3, lying pad 2, pillow pad 1 and a controller that are turned and connected in turn; the horizontal height of pillow pad 1 is greater than that of kneeling pad 3 The height of the lying pad 2 is inclined, and the middle of the lying pad 2 is provided with a concave cavity 20 for matching the abdomen of the puerpera.

The upper surface of the kneeling pad 3 is provided with two grooves 30 for positioning the knees of the parturient. When the parturient is kneeling and sitting on the kneeling pad 3, the position of the torso can be positioned through the grooves 30 to maintain the correct forward leaning kneeling position. posture.

As shown in FIG. 5 , a lifting mechanism for adjusting the height is also provided below the pillow 1. The lifting mechanism includes a base 5, a lifting rod 50, a top seat 10 and a lifter 6. The lifting rod 50 is fixed above the base 5, and the top seat 10 A lifting groove is provided, the lifting rod 50 penetrates into the lifting groove, and the lifter 6 is located between the lifting groove and the lifting rod 50 .

As shown in FIG. 6 , a bottom limit plate 55 is arranged above the base 5 , and a bottom groove for fixing the lifter 6 is formed by the bottom limit plate 55 , so that the lifter 6 can be stably fixed between the base 5 and the pillow 1 . , in this embodiment, the lifter 6 adopts a scissor lift, which has a large lifting range, which can allow the puerpera to choose the most comfortable height required within any height.

As shown in FIGS. 7 to 11 , the lying pad 2 includes a front pad 21 , a middle pad 22 , a rear pad 23 , a telescopic mechanism and a driver 26 , the front pad 21 is connected to the pillow pad 1 , and the rear pad 23 is connected to the kneeling pad 3 . The mechanism is used to move the front pad 21 and the rear pad 23 relative to the middle pad 22. The telescopic mechanism includes a slide rail 242, a slide bar 241, a movable structure and a driver 26. The front pad 21 and the rear pad 23 are fixed on different slide bars 241. The middle pad 22 is fixed on the slide rail 242, and the driver 26 drives the slide bar 241 to move relative to the slide rail 242; through the cooperation of the slide rail 242 and the slide bar 241, the front pad 21 and the rear pad 23 can perform linear reciprocating movement relative to the middle pad 22 , the distance between the front pad 21 and the rear pad 23 is the overall length of the lying pad 2 .

As shown in FIG. 12 , the controller includes a height adjustment button 71 and a length adjustment button 73 ; a height display 72 and a length display 74 are provided on the pillow cushion 1 .

The height adjustment button 71 is coupled to the lifter 6 and is used to control the up or down of the pillow pad 1 to adjust the height of the pillow pad 1 .

A height display 72, coupled to the lifter 6, is used to assist in displaying the height of the pillow pad 1;

The length adjustment button 73 is coupled to the driver 26 and is used to control the distance between the front pad 21 and the rear pad 23 relative to the middle pad 22 to adjust the length of the lying pad 2 .

A length indicator 74, and occasionally the driver 26, is used to assist in displaying the length of the bed pad 2.

The height display 72 and the length display 74 do not monitor the actual value, but are converted through the pressing time of the button and the value of the active time of the driver 25 or the lifter 6 to obtain the value of auxiliary observation to reduce the cost. Otherwise, the cost of installing multiple detectors is too high and meaningless, but it will cause waste and increase the cost.

Through the above-mentioned height adjustment button 71 and length adjustment button 73, the mother can lie on the delivery device, and the controller is located at the upper right corner of the pillow 1 (which is convenient for the mother to control and adjust by herself), and the height of the pillow 1 can be adjusted by the finger control buttons. By adjusting the length of the lying pad 2, you can quickly find the most comfortable forward kneeling position. And when the mother is not physically strong, she can also adjust the posture with the assistance of the midwife, which is more labor-saving. As for the height display 72 and the length display 74 on the pillow 1, the mother can remember the height and length values, so as to quickly find the most suitable body position during subsequent use.

As shown in FIGS. 10 to 11 , the movable structure is used for the mirror-image synchronous movement of the front pad 21 and the rear pad 23 relative to the middle pad 22 , that is, the moving distance of the front pad 21 and the rear pad 23 are the same, and the movable structure includes a transmission shaft. 25 and two sets of symmetrical movable assemblies, the transmission shaft 25 is connected with the driver 26, the symmetrical movable assembly includes two racks 28 and a synchronizing gear 27, the tooth surfaces of the two racks 28 are oppositely arranged, and the two racks 27 are respectively fixed on the On the front pad 21 and the rear pad 23, the synchronizing gears 27 mesh with the two racks 28 at the same time, and the end of the transmission shaft 25 meshes with the synchronizing gears 27 in the two sets of symmetrical movable assemblies. When the driver 25 drives the transmission shaft 25 to rotate, the end of the transmission shaft 25 drives the synchronous gear 27 to rotate, so that the two racks 27 move synchronously in opposite directions, so that the front pad 21 and the rear pad 23 move the same relative to the middle pad 22 The distance ensures that the mother will not lack the support of the trunk due to the excessive unilateral gap.

As shown in FIG. 8 , the cavity 20 is further provided with a clay cavity 204 and an air cavity 202 , the clay cavity 204 is located at the bottom of the cavity 20 , and the air cavity 202 is located above the clay cavity 204 . The clay sculpting cavity 204 is mainly used to support the protruding abdomen of the puerpera. Since the shape of the puerpera’s abdomen is different (the abdomen has a point and a circle, so the contact area between the abdomen and the bottom of the cavity 20 is different), it is necessary to use the midwife or the puerper to put the clay sculpting cavity into the cavity. 204 is squeezed to form a bumpy cushion that supports the abdomen well, avoiding the feeling of bloating caused by the fetus hanging in the air, and the discomfort caused by the abdomen directly touching the bottom of the cavity 20 (buffered by the clay cavity 204 and the air cavity 202).

The clay plastic cavity 204 is filled with mud, and the mud is a mixture of calcium carbonate powder, liquid paraffin and glycerin. Liquid paraffin and glycerin can prevent the calcium carbonate powder from drying, and are mainly used for moisturizing, so that the mud is in a plastic state of ooze. The isolation layer 203 separates the clay plastic cavity 204 and the air cavity 202 to prevent leakage of the clay material or exposure of the air to the clay material.

The outer side of the air cavity 202 is closed by the surface layer 201, and the surface layer 201 is provided with an inflatable nozzle 205. The inflatable nozzle 205 is communicated with the air cavity 202. The air cavity 202 is mainly used to prevent the mother's abdomen from directly contacting the mud and preventing the abdominal skin from directly contacting the hard carrier surface ( The discomfort caused by the mud or the bottom of the cavity 20 ) is used as a soft cushion by the air, so that when the puerpera lies on the tummy cushion 2, the abdomen is more comfortable.

As shown in FIG. 5 , the front of the pillow cushion 1 is provided with a grasping rod 4 for maternity grasping. The grasping rod 4 includes two side grip rods 40 and a middle grip rod 41 , and the two side grip rods 40 are located on the pillow cushion 1 . On both sides, the middle grip bar 41 is located in the middle of the pillow 1, and the side grip bar 40 and the middle grip bar 41 are both located in front of the pillow 1. The parturient can hold the grip bar 4 to exert force during childbirth. The side grip bar 40 and The middle grip bar 41 allows the mother to grasp in various free positions to achieve the most comfortable body position.

The side grip bars 40 are all rectangular, and the side grip bars 40 include an inner vertical bar 401 , an upper horizontal bar 402 , an outer vertical bar 403 and a lower horizontal bar 404 connected in sequence, and the height of the lower horizontal bar 404 is flush with the pillow 1 . The upper cross bar 402 is located above the lower cross bar 404 , the inner vertical bar 401 is near the middle of the pillow pad 1 , and the outer vertical bar 403 is near the side of the pillow pad 1 .

The inner vertical bar 401, the upper horizontal bar 402, the outer vertical bar 403 and the lower horizontal bar 404 enable the puerpera to grasp multiple parts, and can grasp with the backhand and the forehand, and the grasping posture can be more, allowing the puerpera to grasp multiple parts. Find the most comfortable way of grasping among the different grasping positions; and in this embodiment, the rectangular side grip bar 40 enables the parturient to grasp the lower cross bar 404 through the forehand from the middle of the side grip bar 40; the upper cross bar 402 Both the forehand and the backhand can be grasped, and the inner vertical rod 401 and the outer vertical rod 403 are both forehand grasping methods with different distances.

As shown in FIG. 6 , the base 5 includes a bottom plate 51 , a structural plate 54 and a support column 53 . A front support plate 52 is arranged in front of the bottom plate 51 . The front support plate 52 and the bottom plate 51 are integrally formed in a “convex” shape. Above the bottom plate 51 , the two sides of the structural plate 54 are connected to the lifting rod 50 , and the two ends of the support column 53 are connected to the support column 53 and the front support plate 52 .

The bottom plate 51 increases the contact area of the entire base 5, improves the frictional force, and prevents the base 5 from moving forward when the puerpera is pressed against; and the front support plate 52 increases the span of the bottom plate 51, prevents the base 5 from tipping over toward the front side, and improves the Stability of the bottom plate 51 .

The structural plate 54 and the support column 53 are used to form the entire base into a frame structure, so that the front support plate 52 can bear a greater pressure when the base 5 is pressed forward and sideways, so as to avoid the front support plate 52 from being deformed, twisted or broken, and the structure A space is left between the plate 54 and the bottom plate 51, which can be used to place the steel block of the counterweight, which provides higher stability for the base and prevents the base from sliding, shaking or tipping over. The space between the structural plate 54 and the bottom plate 51 can also be used to place other delivery tools, such as a disposable delivery bag, a washbasin, etc., to improve the storage space of the delivery device.

When using the self-adjusting forward-leaning kneeling delivery device, its use steps are as follows:

1. The parturient kneels in the groove 30 of the kneeling pad 3 with both knees and calves, and brings the knees close to the bottom of the lying pad 2.

2. The puerpera leans forward with both hands on the pillow cushion 1, and at the same time leans forward to lay the torso on the lying cushion 2, and adjusts the height of the pillow cushion 1 and the lying cushion 2 through the height adjustment button 71 and the length adjustment button 73 on the controller. The length of the puerperium can be adapted to different body shapes. At the same time, when the puerpera finds the most comfortable forward kneeling posture, the height and length values displayed by the height display 72 and the length display 74 at this time are recorded to facilitate the next adjustment.

3. The puerpera’s hands are supported on the lying pad 2 or the pillow pad 1, the upper body is continuously attached to the surface of the lying pad 2, and the raised abdomen is put into the cavity 20, and the mud is squeezed by hand according to the comfort level, so that The clay plastic cavity 204 can be adapted to the shape of the abdomen, and then the air cavity 202 is inflated through the inflation nozzle 205, and then the abdomen is put back into the cavity 20, and the air in the air cavity 202 is released, so that the mother's abdomen can reach the most comfortable position. state.

4. The parturient's torso completely fits the surface of the lying pad 2, and stretches her hand forward to the gripping rod 4. On the multiple rods (the inner vertical rod 401, the upper horizontal rod 402, the outer vertical rod 403, the lower horizontal rod 404 and the The most comfortable and safe grasping position is selected among the middle grip bars 41) to ensure the comfort and safety during childbirth.

The above are the preferred embodiments of the present invention. For those of ordinary skill in the art, without departing from the principles of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention.

Claims (9)

1. a kind of self-adjustable leans forward and kneels position and practice midwifery device, it is characterised in that: including successively overturning the hassock (3) of connection, lying prone pad (2) With bolster (1), the level height of bolster (1) is greater than the level height of hassock (3), and pad (2) of lying prone is obliquely installed, lie prone pad (2) Middle part is equipped with cooperation puerpera's abdomen cavity (20)；

The elevating mechanism for adjusting height is additionally provided with below the bolster (1), the elevating mechanism includes pedestal (5) and lifting Device (6), the lifter (6) are located between bolster (1) and pedestal (5)；

The pad (2) of lying prone includes foremast (21), middle pad (22), rear pad (23), telescoping mechanism and driver (26), foremast (21) with Bolster (1) connection, pad (23) is connect with hassock (3) afterwards, and telescoping mechanism is for foremast (21) and the relatively middle pad (22) of rear pad (23) Movement is generated, telescoping mechanism includes sliding rail (242), slide bar (241), bascule and driver (26), foremast (21) and afterwards pad (23) it is fixed on different slide bars (241), middle pad (22) is fixed on sliding rail (242), driver (26) band moving slide-bar (241) Opposite sliding rail (242) activity；

Self-adjustable lean forward kneel position practice midwifery device further include for same driver (26) and lifter (6) coupling controller.

2. self-adjustable according to claim 1 leans forward and kneels position and practice midwifery device, it is characterised in that: before the bascule is used for It pads (21) and pad (23) pad (22) in generates mirror image synchronization movement afterwards, the bascule includes transmission shaft (25) and two groups Symmetrical movable component, transmission shaft (25) are connect with driver (26), and the symmetrical movable component includes two toothed racks (28), one The flank of tooth of synchromesh gear (27), two toothed racks (28) is oppositely arranged, and synchromesh gear (27) engages two toothed racks (28) simultaneously, transmission The end of axis (25) is the same as synchromesh gear (27) engagement in two groups of symmetrical movable components.

3. self-adjustable according to claim 2 leans forward and kneels position and practice midwifery device, it is characterised in that: the controller includes being turned up Button (71) and elevation indicator (72)；Bolster (1), which is equipped with, adjusts long button (73) and length display (74),

It is turned up button (71), couples lifter (6), risen or fallen for controlling bolster (1)；

Elevation indicator (72) couples lifter (6), for assisting height locating for display bolster (1)；

Adjust long button (73), coupling drivers (26), for control foremast (21) and rear pad (23) relatively in pad (22) away from From；

Length display (74), once in a while and driver (26), for assisting display to lie prone the length of pad (2).

4. self-adjustable according to claim 1 leans forward and kneels position and practice midwifery device, it is characterised in that: cavity (20) bottom surface is also Equipped with clay sculpture chamber (204), pug is filled in clay sculpture chamber (204), the pug is calcium carbonate powder, atoleine and glycerol Mixture, clay sculpture chamber (204) outer layer are the separation layer (203) for preventing pug ingress of air.

5. self-adjustable according to claim 4 leans forward and kneels position and practice midwifery device, it is characterised in that: on the clay sculpture chamber (204) Side is additionally provided with air cavity (202), and air cavity (202) and clay sculpture chamber (204) are separated by separation layer (203), is passed through on the outside of air cavity (202) Surface layer (201) closing, surface layer (201) have air inflation nozzle (205), and air inflation nozzle (205) is connected to air cavity (202).

6. self-adjustable according to claim 1 leans forward and kneels position and practice midwifery device, it is characterised in that: the front of the bolster (1) Equipped with the grasping bar (4) grasped for puerpera；The grasping bar (4) includes side holding rod (40), and side holding rod (40) is located at bolster (1) The front or upper surface of any two sides.

7. self-adjustable according to claim 6 leans forward and kneels position and practice midwifery device, it is characterised in that: the grasping bar (4) is wrapped altogether Two side holding rods (40) are included, side holding rod (40) is in rectangle, and side holding rod (40) includes sequentially connected interior montant (401), upper cross Bar (402), outer vertical bar (403) and sheer pole (404), the height of the sheer pole (404) flush with bolster (1) and are located at bolster (1) front, cross tube (402) are located above sheer pole (404), and interior montant (401) is in the middle part of bolster (1), outer vertical bar (403) Close to bolster (1) side portion.

8. self-adjustable according to claim 6 leans forward and kneels position and practice midwifery device, it is characterised in that: the grasping bar (4) includes Also middle holding rod (41), middle holding rod (41) are located at the front in the middle part of bolster (1), and the height of middle holding rod (41) is flushed with bolster (1).

9. self-adjustable according to claim 1 leans forward and kneels position and practice midwifery device, it is characterised in that: the pedestal (5) includes bottom The front of plate (51), structural slab (54) and support column (53), the bottom plate (51) is equipped with front supporting plate (52), the front supporting plate (52) It is integrally formed and assumes a " convex " shape with bottom plate (51), the structural slab (54) is located above bottom plate (51), structural slab (54) two sides and liter Bar (50) connection, support column (53) both ends connection support column (53) and front supporting plate (52) drop.