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-adjustable, which leans forward, to be kneeled position and practices midwifery device

Technical field

The present invention relates to midwifery instrument, specially a kind of self-adjustable, which leans forward, to be kneeled position and practices midwifery device.

Background technique

Currently, domestic puerpera is usually based on dorsal position when practicing midwifery.Body leans back is close to obstetric table when puerpera lies on the back Pad forms the posture of layback, and the gravity of such fetus aggravates puerpera's backache towards parent back backbone, leads to the fetus longitudinal axis and produce Woman's pelvis production axis is inconsistent, and unfavorable engagement of head, declines and gives birth to rotation, causes fetus head position abnormality, prolonged labor or stops Stagnant, puerpera finally terminates to give a birth with difficult labour and Cesarean esction.

And be in occipitoposterior position or fetus head position abnormality for fetus, puerpera's waist and sacrum pain or puerpera lie on the back or lateral position hair When existing fetal distress in uterus, midwife routinely suggests that puerpera attempts adjustment position, kneels position wherein leaning forward can to increase puerpera comfortable Degree promotes fetal head rotation, effective to correct fetus head position abnormality and alleviate fetal distress in uterus.

Lean forward kneel position effect it is as follows: puerpera's forward lean, trunk is straight and upright can effectively to utilize gravity, make fetus The longitudinal axis is consistent with puerpera's pelvis production axis, and pelvis is not pressurized, than more advantageous radial line, space and the capacity for increasing pelvis of lying on the back, lie on one's side； It is waved convenient for back massage and puerpera's pelvis；Alleviate the generation of compression of umbilical cord；Fetus is promoted effectively to enter maternal pelvic is intracavitary Basin, bow it is in the wrong, rotate, decline and give birth to.

The special equipment kneeled and practiced midwifery position that leans forward clinically is not carried out for puerpera at present, generally by allowing puerpera to kneel in bed On upper or floor, forward lean is leaned against on the head of a bed, arm-chair, parturition-ball or other supporters, its shortcoming is that puerpera's hand is without branch By/the object that grasps, in puerpera's force, (or force after stage out of strength) easily causes tumbles, and bring serious security risk with Risk, therefore several midwives is needed to accompany and attend to, to fix puerpera's trunk, dangerous generation is avoided, also increases personnel's labour of practicing midwifery Intensity occupies biggish medical treatment manpower resource.

Summary of the invention

It leans forward the purpose of the invention is to providing a kind of self-adjustable and kneels position and practice midwifery device, by controller, puerpera can be with The length of height to bolster and pad of lying prone voluntarily is adjusted according to own situation, so that puerpera can be quickly in dress of practicing midwifery It sets and finds the most accurate and comfortably lean forward and kneel pose gesture, lie prone and pad the cavity on surface and allow puerpera and lain prone with the kneeling position gesture that leans forward Surface is padded lying prone, trunk exerts a force under the support for device of practicing midwifery without arm, and puerpera is not easy to slide and fall, safer.

In order to achieve the above-mentioned object of the invention, the invention adopts the following technical scheme: a kind of self-adjustable, which leans forward, to be kneeled position and practices midwifery Device, including successively overturning the hassock of connection, lie prone pad and bolster, the level height of bolster is greater than the level height of hassock, pad of lying prone It is obliquely installed, the pad middle part of lying prone is equipped with cooperation puerpera's abdomen cavity；The liter for adjusting height is additionally provided with below the bolster Descending mechanism, the elevating mechanism include pedestal and lifter, and the lifter is between bolster and pedestal；The pad of lying prone includes Foremast, middle pad, rear pad, telescoping mechanism and driver, foremast are connect with bolster, and rear pad is connect with hassock, before telescoping mechanism is used for Pad and rear the pad pad in generate movement, and telescoping mechanism includes sliding rail, slide bar, bascule and driver, and foremast and rear pad are solid Due on different slide bars, middle pad is fixed on sliding rail, and drive belts moving slide-bar is with respect to sliding rail activity；Self-adjustable, which leans forward, to be kneeled position and connects Producing device further includes the controller coupled for same driver and lifter.

Preferably, the bascule pads the pad in for foremast and afterwards and generates mirror image synchronization movement, the movable knot Structure includes transmission shaft and two groups of symmetrical movable components, and transmission shaft is connect with driver, and the symmetrical movable component includes two rooted teeth Item, a synchromesh gear, the flank of tooth of two toothed racks are oppositely arranged, and synchromesh gear engages two toothed racks, the end of transmission shaft simultaneously With the synchromesh gear engagement in two groups of symmetrical movable components.

Preferably, the controller includes that button and elevation indicator is turned up；Bolster, which is equipped with, adjusts long button and length aobvious Show device；

Button is turned up, couples lifter, is risen or fallen for controlling bolster；

Elevation indicator couples lifter, for assisting height locating for display bolster；

Adjust long button, coupling drivers, for controlling foremast and the relatively middle distance padded of rear pad；

Length display, once in a while and driver, for assisting display to lie prone the length of pad.

Preferably, the cavity bottom surface is additionally provided with clay sculpture chamber, and clay sculpture is intracavitary to be filled with pug, and the pug is Paris white Last, atoleine and glycerol mixture, clay sculpture chamber outer layer is the separation layer for preventing pug ingress of air.

Preferably, air cavity, air cavity and clay sculpture chamber are additionally provided with above the clay sculpture chamber to separate by separation layer, it is logical on the outside of air cavity Surface layer closing is crossed, surface layer has air inflation nozzle, and air inflation nozzle is connected to air cavity.

Preferably, the front of the bolster is equipped with the grasping bar grasped for puerpera；The grasping bar includes side holding rod, side Holding rod is located at the front or upper surface of any two sides of bolster.

Preferably, the grasping bar includes two side holding rods altogether, and side holding rod is in rectangle, and side holding rod includes sequentially connected Interior montant, cross tube, outer vertical bar and sheer pole, the height of the sheer pole flush and are located in front of bolster, cross tube with bolster Above sheer pole, interior montant is in the middle part of bolster, and outer vertical bar is close to bolster side portion.

Preferably, the grasping bar include also in holding rod, middle holding rod is located at the front in the middle part of bolster, the height of middle holding rod and Bolster flushes.

Preferably, the pedestal includes bottom plate, structural slab and support column, and the front of the bottom plate is equipped with front supporting plate, described Front supporting plate is assumed a " convex " shape with bottom plate integrated molding, and the structural slab is located above bottom plate, and structural slab two sides are connect with elevating lever, institute State support column both ends connection support column and front supporting plate.

Compared with prior art, it leans forward using the self-adjustable of above-mentioned technical proposal and kneels position and practice midwifery device, have has as follows Beneficial effect:

One, it is leaned forward using self-adjustable of the invention and kneels position and practice midwifery device, puerpera gets down on both kneels above hassock when use, and it is permanent to avoid It squats and causes knee pain, thigh, abdomen and trunk are lain prone above pad of lying prone later with inclined posture, and both hands disk is on bolster Head is placed on arm and rests by side, or directly head is lain prone to incline before body on bolster and kneels position and rests.By this Device of practicing midwifery makes puerpera to keep suitably leaning forward and kneel position, can effectively utilize gravity, make the fetus longitudinal axis and puerpera's bone Basin production axis is consistent, and pelvis is not pressurized, than more advantageous radial line, space and the capacity for increasing pelvis of lying on the back, lie on one's side；Convenient for back massage It is waved with puerpera's pelvis；Alleviate the generation of compression of umbilical cord；Release the anxiety of wrist joint；Fetus is promoted to have maternal pelvic is intracavitary Effect enter basin, bow it is in the wrong, rotate, decline and give birth to.

Two, bolster setting alleviates hand anxiety and pressure, nothing with bolster and pad of lying prone to being supported above the waist in head side It needs puerpera to be supported with arm, avoids both hands and arm muscles spasm.

Three, since bolster and pad of lying prone support entire trunk, pad middle part of lying prone has opened up cavity, so that puerpera is by abdomen Portion is placed in cavity, is made puerpera that can lie prone downward with abdominal cavity and is being lain prone on pad, and puerpera's pad of lying prone when out of strength is supported, It slips above device of practicing midwifery without having to worry about puerpera, to ensure the safety of mother and baby.

Self-adjustable lean forward kneel position practice midwifery device auxiliary under, puerpera is under the accompanying and attending to of family members and 1 midwife, Ji Keshi It now leans forward and kneels position and practice midwifery, reduce midwife's quantity of participation, as long as the midwife that practices midwifery controls speed that Descending of fetal head is given birth to i.e. Can, without helping puerpera's trunk, midwife's manpower is reduced, labor intensity and the physical demands of midwife's work are reduced.

Four, puerpera in the progress of labor, the grasping bar on bolster or bolster can be grasped so that hand have impetus, Strength required when childbirth can be preferably controlled, the probability of perineal laceration is reduced.

Five, it is provided with elevating mechanism below bolster, by adjusting the activity between elevating lever and lifting groove, adjusts bolster It height and lies prone and pads inclined angle, to meet the comfort need of different puerperas.

Six, the device of practicing midwifery in the present invention, elevating mechanism and telescoping mechanism are all made of the mode of Electronic control, can be right The height of bolster, the length for pad of lying prone carry out adaptability adjusting, and due to being motorized adjustment, adjustment process is more intelligent and light Simplify.Therefore puerpera can voluntarily pass through controller, to bolster height and lie prone and pad length and be adjusted, to reach the most comfortably Position can also be adjusted by the auxiliary of midwifery personnel.

Detailed description of the invention

Fig. 1 is that self-adjustable of the present invention leans forward and kneels position and practice midwifery the structural schematic diagram of Installation practice.

Fig. 2 is that self-adjustable leans forward and kneels position and practice midwifery the side view of device in embodiment.

Fig. 3 is the structural schematic diagram (raising elongated condition) of device of practicing midwifery in embodiment.

Fig. 4 is the side view (raising elongated condition) of device of practicing midwifery in embodiment.

Fig. 5 is the structural schematic diagram of elevating mechanism in embodiment.

Fig. 6 is the structural schematic diagram of pedestal in embodiment.

Fig. 7 is the structural schematic diagram of pad of lying prone in embodiment.

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

Fig. 9 is the structural schematic diagram of middle pad and telescoping mechanism in embodiment.

Figure 10 is the structural schematic diagram of middle pad and telescoping mechanism in embodiment.

Figure 11 is the partial enlarged view in Fig. 9 at A.

Figure 12 is the structural schematic diagram that long button and height, length display are turned up, adjusted in embodiment.

Appended drawing reference: 1, bolster；10, footstock；11, Limit screw；2, it lies prone pad；20, cavity；201, surface layer；202, gas Chamber；203, separation layer；204, clay sculpture chamber；205, air inflation nozzle；206, support plate；21, foremast；22, middle pad；23, rear pad；241, sliding Bar；242, sliding rail；25, transmission shaft；26, driver；27, synchromesh gear；28, rack gear；3, hassock；30, groove；4, bar is grasped； 40, side holding rod；401, interior montant；402, cross tube；403, outer vertical bar；404, sheer pole；41, middle holding rod；5, pedestal；50, it rises Bar drops；51, bottom plate；52, front supporting plate；53, support column；54, structural slab；55, bottom limit plate；6, elevator；71, button is turned up； 72, elevation indicator；73, long button is adjusted；74, length display.

Specific embodiment

The present invention is described further with reference to the accompanying drawing.

The self-adjustable as shown in Fig. 1 to 12, which leans forward, to be kneeled position and practices midwifery device, including successively overturn the hassock 3 of connection, pad 2 of lying prone, Bolster 1 and controller；The level height of bolster 1 is greater than the level height of hassock 3, and pad 2 of lying prone is obliquely installed, is equipped in the middle part of pad 2 of lying prone Cooperate puerpera's abdomen cavity 20.

3 upper surface of hassock is opened up there are two the groove 30 for the positioning of puerpera's knee, and puerpera is squatting when on hassock 3, It can be positioned by position of the groove 30 to trunk, kneel pose gesture to keep correctly leaning forward.

As shown in figure 5, being additionally provided with the elevating mechanism for adjusting height below bolster 1, elevating mechanism includes pedestal 5, rises Bar 50, footstock 10 and lifter 6 drop, and elevating lever 50 is fixed on 5 top of pedestal, and footstock 10 offers lifting groove, and elevating lever 50 is worn Enter into lifting groove, lifter 6 is between lifting groove and elevating lever 50.

As shown in fig. 6, being equipped with bottom limit plate 55 above pedestal 5, form what a lifter 6 was fixed by bottom limit plate 55 Kerve is stably fixed to lifter 6 between pedestal 5 and bolster 1, and the present embodiment mid-riser 6 uses scissors liter Drop machine, heave amplitude is larger, can permit puerpera and selects required the most comfortable height in arbitrary height.

As shown in figs. 7 to 11, pad 2 of lying prone includes foremast 21, middle pad 22, rear pad 23, telescoping mechanism and driver 26, foremast 21 connect with bolster 1, and rear pad 23 is connect with hassock 3, and for foremast 21 and rear pad 23, the pad 22 in generates movement to telescoping mechanism, Telescoping mechanism includes sliding rail 242, slide bar 241, bascule and driver 26, and foremast 21 and rear pad 23 are fixed on different slide bars On 241, middle pad 22 is fixed on sliding rail 242, and driver 26 is with moving slide-bar 241 with respect to 242 activity of sliding rail；By sliding rail 242 with The cooperation of slide bar 241 allows foremast 21 and the relatively middle pad 22 of rear pad 23 to carry out linear reciprocation activity, foremast 21 and rear pad 23 Between spacing be the entire length of pad 2 of lying prone.

As shown in figure 12, controller includes that button 71 and the long button 73 of tune is turned up；Bolster 1 is equipped with 72 He of elevation indicator Length display 74.

Button 71 is turned up, couples lifter 6, is risen or fallen for controlling bolster 1, to be adjusted to the height of bolster 1 Section.

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

Adjust long button 73, coupling drivers 26, for controlling the distance of the relatively middle pad 22 of foremast 21 and rear pad 23, come to pad 2 of lying prone Length be adjusted.

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

Wherein elevation indicator 72 and length display 74 are not monitored actual numerical value, but pass through button The time is pressed, is converted by the numerical value of the activity time of driver 25 or lifter 6, the numerical value of obtained auxiliary observation, To reduce cost, excessively high multiple detector costs are not so filled and meaning and little, cause waste and the raising of cost instead.

By above-mentioned height-regulating button 71 and long button 73 is adjusted, puerpera, which can lie prone, to practice midwifery on device, and location of controls is located at The upper right corner (voluntarily control and adjust convenient for puerpera) of bolster 1, by finger control buttons to 1 height of bolster and pad 2 of lying prone Length is adjusted, and can quickly find the most comfortably to lean forward and kneel pose gesture.And puerpera can also help when being short of physical strength Posture is adjusted under the auxiliary of production personnel, it is more laborsaving.And elevation indicator 72 and length display 74 on bolster 1, Puerpera can remember the height and length value, in subsequent use to be quickly found out most aptamer position.

As shown in Figure 10 to Figure 11, bascule generates mirror image synchronization and moves for foremast 21 and the relatively middle pad 22 of rear pad 23 Dynamic, i.e., so that the distance of the movement of foremast 21 is identical with 23 moving distances of rear pad, bascule includes that transmission shaft 25 and two groups are symmetrical Movable component, transmission shaft 25 are connect with driver 26, symmetrical movable component include two toothed racks, 28, synchromesh gears 27, two The flank of tooth of toothed rack 28 is oppositely arranged, and two toothed racks 27 are separately fixed on foremast 21 and rear pad 23, and synchromesh gear 27 is nibbled simultaneously Two toothed racks 28 are closed, the end of transmission shaft 25 is engaged with the synchromesh gear 27 in two groups of symmetrical movable components.When 25 band of driver When dynamic transmission shaft 25 rotates, 25 end of transmission shaft drives synchromesh gear 27 to rotate, so that two rack gears 27 are in the opposite direction Movement is synchronized, so that the mobile identical distance of foremast 21 and rear pad 23 pad 22 in, guarantees that puerpera will not be because of Unilateral gap is excessive and lacks the support of trunk.

As shown in figure 8, being additionally provided with clay sculpture chamber 204 and air cavity 202 in cavity 20, clay sculpture chamber 204 is located at the bottom of cavity 20, Air cavity 202 is located at 204 top of clay sculpture chamber.Clay sculpture chamber 204 is primarily to support the abdomen of puerpera's protrusion, due to puerpera's abdomen shape Shape is different (abdomen has point to have circle, therefore abdomen and 20 base contact surface of cavity product are different), needs to pass through midwife Or puerpera oneself squeezes clay sculpture chamber 204 to form the uneven cushion for supporting abdomen well, avoids fetus hanging and brings Falling inflation sense and abdomen directly contact discomfort brought by 20 bottom of cavity (buffering by clay sculpture chamber 204 and air cavity 202).

Pug is filled in clay sculpture chamber 204, pug is the mixture of calcium carbonate powder, atoleine and glycerol, liquid stone Wax and glycerol can be dry to avoid calcium carbonate powder, are mainly used for moisturizing, so that pug is in the plastic state of ooze.Isolation Layer 203 separates clay sculpture chamber 204 and air cavity 202, avoids pug leakage or air exposure contact pug.

It is closed on the outside of air cavity 202 by surface layer 201, surface layer 201 has air inflation nozzle 205, and air inflation nozzle 205 and air cavity 202 connect Logical, air cavity 202 mainly avoids puerpera's abdomen from directly contacting pug, and skin of abdomen is avoided directly to contact harder section (pug Or 20 bottom of cavity) bring sense of discomfort, by air as cushion, so that puerpera is crouching down when lying prone on pad 2, abdomen is placed It is more comfortable.

As shown in figure 5, the front of bolster 1 is equipped with the grasping bar 4 grasped for puerpera, grasping bar 4 includes two side holding rods 40 and middle holding rod 41, two side holding rods 40 are located at 1 two sides of bolster, and middle holding rod 41 is located at 1 middle part of bolster, side holding rod 40 and middle holding rod 41 are respectively positioned on the front of bolster 1, and puerpera can hold with a firm grip in childbirth to be grasped bar 4 and exert a force, and side holding rod 40 and middle holding rod 41 are permitted Perhaps puerpera can be grasped with a variety of free postures, to reach position the most comfortable.

Wherein, side holding rod 40 is in rectangle, and side holding rod 40 includes sequentially connected interior montant 401, cross tube 402, outer perpendicular Bar 403 and sheer pole 404, the height of sheer pole 404 flush with bolster 1 and are located at 1 front of bolster, and cross tube 402 is located at lower cross 404 top of bar, interior montant 401 is close to 1 middle part of bolster, and outer vertical bar 403 is close to 1 side portion of bolster.

Interior montant 401, cross tube 402, outer vertical bar 403 and sheer pole 404 allow puerpera to grasp multiple positions, and It can be grasped with backhand, forehand, the posture of grasping can be more, allow puerpera to find in multiple grip postures the most comfortable Grip；And in the present embodiment, the side holding rod 40 of rectangle grabs puerpera in the middle part of side holding rod 40 across forehand Hold sheer pole 404；Cross tube 402 can both be grasped with forehand or be grasped with backhand, and interior montant 401 and outer vertical bar 403 are The different forehand grip of spacing.

As described in Figure 6, pedestal 5 includes bottom plate 51, structural slab 54 and support column 53, and the front of bottom plate 51 is equipped with front supporting plate 52, front supporting plate 52 is assumed a " convex " shape with the integrated molding of bottom plate 51, and structural slab 54 is located at 51 top of bottom plate, 54 two sides of structural slab and lifting Bar 50 connects, and 53 both ends of support column connect support column 53 and front supporting plate 52.

Bottom plate 51 increases the contact area of entire pedestal 5, improves frictional force, avoids puerpera when being pressed against, before pedestal 5 It moves；And front supporting plate 52 makes across the width increase of bottom plate 51, and pedestal 5 is avoided to overturn towards front side, improves the stability of bottom plate 51.

And structural slab 54 and support column 53 are used to constitute entire pedestal frame structure so that front supporting plate 52 pedestal 5 to When front side is pressed, it is able to bear bigger pressure, 52 deformation of front supporting plate is avoided to distort or fracture, and between structural slab 54 and bottom plate 51 There are spaces, can be used to place the bloom of counterweight, provide higher stability for pedestal, avoid pedestal sliding, shake or turn over ?.Space between structural slab 54 and bottom plate 51 can also be used to put other such as disposable production packets of tool of practicing midwifery, washbowl, Improve the storage space for device of practicing midwifery.

Self-adjustable lean forward kneel position practice midwifery device in use, its using steps are as follows:

1. the double knee of puerpera and shank are kneeled in the groove 30 of hassock 3, by knee close to the bottom end for pad 2 of lying prone.

2. puerpera's both hands rest on bolster 1, while trunk is lain prone and is being lain prone on pad 2 by forward lean, by controller Button 71 is turned up and adjusts long button 73 to adjust the length of the height of bolster 1 and pad 2 of lying prone, to adapt to different building shape puerpera, simultaneously When puerpera search out the most comfortable lean forward kneel pose gesture when, by elevation indicator 72 and the height that shows of length display 74 at this time Degree and length value are recorded, and are adjusted convenient for next time.

It lies prone on pad 2 or bolster 1 3. puerpera's both hands are supported on, upper body is constantly bonded 2 surfaces of pad of lying prone, and the abdomen of protuberance is put Enter into cavity 20, pug is squeezed with hand according to level of comfort, clay sculpture chamber 204 is mutually fitted with abdomen shape Match, abdomen is re-injected into 202 inflation of air cavity in cavity 20 to later by air inflation nozzle 205 later, releases in air cavity 202 Air, so that puerpera's abdomen can achieve the state of the most comfortable.

4. puerpera's trunk is bonded 2 surfaces of pad of lying prone completely, and by hand to projecting forwardly at grasping bar 4, in multiple bar (interior montants 401, cross tube 402, outer vertical bar 403, sheer pole 404 and middle holding rod 41) between select grip posture the most comfortable and safe, To guarantee comfortableness and security when childbirth.

The above is a preferred embodiment of the present invention, does not depart from this hair for those of ordinary skill in the art Under the premise of bright principle, several variations and modifications can also be made, these also should be regarded as 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.