EP2476401A2 - Birthing chair - Google Patents

Abstract

The stool has a supporting leg (3) with an upper end at which a seat (4) is attached. The seat comprises a seat plate and a pivot joint (10), which is arranged between the upper end of the supporting leg and the seat plate. The seat plate is formed in U-shape at a top view. The pivot joint horizontally tilts the seat plate in a seat direction and comprises an oscillating bearing i.e. ring, made of flexibly deformable material. The pivot joint comprises a locking mechanism for fixing the seat plate in a horizontal position. The seat plate is made of two seat sections.

Description

The present invention relates to a birthing chair.

In the DE 100 49 289 A1 is a birthing chair revealed. This birthing chair has two seating areas arranged one behind the other. A frame of the delivery chair is curved in the contact area towards the floor. This allows the birthing chair to move back and forth like a rocking chair. Depending on the need, the woman and the man behind it can fall into a swaying motion, with the swaying movement soothing and relaxing to affect the pregnant woman.

From the DE 196 16 515 A1 A baby chair comes out. The birthing chair includes a horseshoe-shaped seat and a lower leg. The subframe is designed as a vertical oscillating element, so that a vertical up and down movement is possible. This should support the natural birth process. The seat of the birthing chair has an elastic deformable support. This edition consists of a multi-chamber air cushion system. This is to be an optimal relaxation of the pelvic floor of the woman giving birth, if this must perform sideways inclinations during childbirth.

In the DE 42 35 548 C2 is a birthing chair revealed. This birthing chair comprises a flat trained flexible support member for supporting the back, buttocks and thighs of the woman. This support member is provided with suspension elements to suspend the support member to a frame. The frame may be connected to a holder such that the frame is rotatably formed by a spindle in the horizontal.

From the DE 37 19 350 A1 A baby chair comes out. This birthing chair comprises a substantially horizontal seat with a recess in the front middle area and a reclining backrest.

Furthermore, office chairs are known which have a movable pillar. The leg is movably mounted in the base of the chair and thereby follows the movements of the user.

In the mainstay a spring is integrated, which allows a movement up and down. In such seats, it is possible to rock up and down and to stretch and bend in all directions of the room. Nevertheless, the contact with the ground is always maintained because such chairs can not tip over because of their base.

From the EP 0 808 116 B1 goes out such a pendulum stool. The pendulum stool includes a seat, a leg and a stand. The pillar is mounted on the base tilt and reset and formed from a central column with a spring element. As a result, a resilient movement in the longitudinal axis of the pillar is enabled, which is to ensure a comfortable active-dynamic swinging over a long travel while sitting.

In the DE 42 10 097 A1 is a stool described. This stool comprises a pedestal, a leg connected to the pedestal and a seat connected to the pedestal. The seat is cupped convexly downwardly on its underside, the pedestal being supported by a bearing engaging the cup-shaped underside and located at the upper end of the pedestal supported in the vertical direction and tilted in the radial direction.

From the DE 26 42 112 A1 a stool comes out. The stool has a seat connected to a standpipe. At the lower end of the standpipe, a ball joint is provided, which is connected to star-shaped tension springs arranged. Due to the tension springs, the standpipe is moved back into its basic position after tilting in the ball joint.

From the EP 2 190 540 A1 An ergonomic seat emerges. This seat has a spring-loaded support and is connected via a standpipe with a stand. The standpipe is formed tiltable in the base relative to a vertical plane. As a hinge in the base, a rubber element may be provided to limit the pendulum width of the standpipe and the seat.

Object of the present invention is to provide a birthing chair, which allows the most comfortable storage of women during and before birth and is also designed to be variable and adaptable to the needs of the user.

The invention has to solve this problem, the features specified in claim 1 and in claim 4. Advantageous embodiments thereof are specified in the respective subclaims.

According to a first aspect of the present invention, the delivery chair comprises a leg, at the upper end of which a seat is attached. The seat has a seat plate and a pivot, wherein the pivot joint between the upper end of the support leg and the seat plate is arranged. The seat plate is approximately U-shaped in plan view.

Characterized in that the pivot joint between the upper end of the supporting leg and the seat plate is arranged, the pivot point of the pivot joint is disposed in close proximity to the hip of a user. This allows the user to tilt the hip against the spine. By tilting the hip against the spine and the associated corresponding movements, the cramping occurring during labor can be mitigated or resolved.

The inventor has found that it is disadvantageous in the prior art baby carriages that a monotonous posture is taken during long sitting or lying during childbirth, which is particularly detrimental to the intervertebral discs due to the one-sided pressure. For the spine, however, it is advantageous if in addition to the intervertebral discs and the intervertebral joints, the cartilaginous and ligamentous apparatuses and the muscles are in a physiological equilibrium and sufficiently moved.

In addition, in conventional birthstations, the front edge of the seat is pressed against the underside of the thighs, severely hampering the return of venous blood from the legs as well as significantly restricting the pelvic freedom of movement. This stagnation of the blood in the legs can lead to problems in the legs and lower pelvis. This effect is further enhanced by the forward bent position of the woman during labor.

The swivel joint of the birthing chair according to the invention allows the user to tilt in and counter to the seat direction and transversely to the seat direction.

Such movements prevent one-sided pressure from being applied to the intervertebral discs. In addition, when labor is experienced, it is extremely advantageous for the user to be able to tip forward with the angle between thigh and spine remaining substantially unchanged, thereby avoiding compression or squeezing of the pregnant abdomen. The forward tilting of the seat also causes the front edge of the seat not pressed against the underside of the thighs, which facilitates both the return of venous blood from the legs and increases the freedom of movement of the pelvis and relieves the intervertebral discs.

Furthermore, lateral inclinations of the pelvis are possible, which ensure optimal relaxation of the pelvic floor of the woman giving birth.

With the birthing chair according to the invention thus excellent conditions for the woman giving birth are created so that the birth can be relaxed and relaxed

Preferably, the pivot joint has a locking mechanism with which the seat plate can be fixed in a horizontal and / or inclined position.

By locking mechanism, it is possible to fix the seat of the Gebärstuhles stationary. Thus, the birthing chair can absorb the forces exerted by the user during the birth in order to carry out the birth itself safely.

The pivot joint may be formed for tilting the seat plate relative to the horizontal in the seat direction, wherein the pivot joint preferably has a floating bearing, which is in particular a ring of elastically deformable material.

The pivot joint may be designed such that a tilting relative to the horizontal in the seat direction of +/- 20 is executable.

Furthermore, the pivot joint can be designed such that a tilting relative to the horizontal transversely to the seat direction of +/- 15 ° is executable.

According to a second aspect of the present invention, the delivery chair comprises a leg, at the upper end of which a seat is fastened and the seat has a seat plate. The seat plate is formed in two parts from a first seat portion and a second seat portion. The first and second seat portions have a U-shape in plan view. Each seat portion has a buttocks portion and a leg portion, wherein extending from each buttocks portion from the outer edge portion in the seat direction forward, a leg portion. Furthermore, a width adjustment device is provided, which is designed such that the distance between the two seat sections is variable.

Furthermore, the inventor has found that is disadvantageous in the known from the prior art Gebärstühlen or stools that they have a fixed width. Since, in particular, the pelvis is formed differently from woman to woman, these do not provide optimal adaptation, for example, if a woman is somewhat broader or adipose or slightly narrower.

By the Breitenverstelleinrichtung the bearing surface of the buttocks sections is arbitrarily adjustable. This means that the delivery chair can be adapted to the physiological requirements or to the width of the user's pelvis. It is therefore suitable for both very narrow and very wide gestation.

The Breitenverstelleinrichtung may have a standing with the two seat sections engaging threaded spindle or locking rod for adjusting the distance between the two seat sections and preferably one or two guide rods on which the two seat sections are slidably mounted. By means of the width adjustment of the distance between the two seats is stepless or latched and in a simple manner, namely by operating the spindle, adjustable.

At the seating direction in the rear end of the seat plate, a backrest may be provided.

An armrest can be provided in each case on the lateral edge regions of the seat plate.

At the front in the sitting direction of the seat plate, a footrest can be arranged in each case.

The backrest and / or the armrests and / or the footrests allow a comfortable sitting of the woman before and during childbirth.

The leg may have a gas spring with a height adjustment for adjusting the height of the seat.

Due to the height adjustment of the birthing chair is arbitrarily adaptable to the size of the user.

At the lower end of the supporting leg, a connecting device, in particular a quick-release closure can be provided, via which the leg is connected to a base, which is preferably formed from a metal, or a bottom receptacle.

Another disadvantage of the prior art baby carriers is that they are usually very unwieldy, i. are large and heavy trained and therefore are not suitable for midwives for transport.

The pillar and / or the base and / or the seat can be detachably connected to one another in such a way that a modular birthing chair is provided. As connecting means here also quick-release closures may be provided.

Because of this modularity, the birthing chair is easy to transport and can be easily carried by a midwife in home births in the car and dismantled and dismantled.

In addition, the birthing chair can be designed such that it can be adapted to local conditions. This means in place of the base can also be a tub support, preferably provided with suction cups, by means of the Gebärstuhl for water births in a bathtub can be fixed. The leg can also be arranged in a corresponding formed in the bottom of a circular neck bracket.

The backrest, the armrests and the footrests can be connected by means of releasable connecting means, in particular tension locks, with the seat plate.

As a result, a quick assembly and disassembly of the delivery chair is possible.

Preferably, the seat, the leg, the backrest, the armrests and / or the footrests are made of plastic. The seat and / or the backrest can also be upholstered.

The use of plastic makes the birthing chair relatively light, which greatly simplifies transport.

According to a further aspect of the present invention, a bag-shaped placental collecting bag can be arranged in the front region of the seat plate.

For example, the placental collecting pouch is connected to the seat panel via a hook-and-loop system or push-button system. As a result, the placental collecting bag can be easily attached to the seat plate. The placental collecting bag is for example a disposable bag made of plastic, which hygienically absorbs the placenta after exiting.

Such a placental collecting bag can represent an independent idea of the invention.

According to another aspect of the present invention, a swivel joint for a chair, in particular a birthing chair, is provided. This pivot joint has a pivot plate on which the seat plate can be arranged, and a stationary support plate which is connectable to a support leg on. Between the pivot plate and the support plate is located Ring made of elastically deformable material. Furthermore, a locking mechanism is arranged between the pivot plate and the support plate, with which the two plates can be locked in a parallel position.

Such a pivot joint allows due to the simple mechanism a smooth operation of the pivot joint. In addition, the pivot joint is due to the simple construction very inexpensive to manufacture and low maintenance.

The ring may be connected to the support plate and the pivot plate in particular by vulcanization or adhesive bonding.

The connection of the ring with the support plate and / or the pivot plate may also be formed as a screw connection. It is also possible to connect one side of the ring by vulcanization with the plate and to connect the other side of the ring with the corresponding plate by a screw connection.

The locking mechanism preferably comprises an elongated recess formed in the support plate and / or the pivot plate, wherein between the support plate and the pivot plate an approximately complementary to the recess locking element is arranged. The height of the locking element corresponds approximately to the distance between the support plate and the pivot plate. The locking element is rotatably mounted between the support plate and the pivot plate so that it can be arranged in a pivoting position to the recess, so that the two plates are tilted to each other and that the locking element in a locking position in such a manner against the support plate and the pivot plate, that Support plate and the pivot plate are stationary to each other can be arranged.

The locking mechanism may alternatively comprise a bearing comprising a ball segment and a ball segment receptacle, wherein a locking element is provided which can engage with the ball segment such that the position of the pivot plate is fixed relative to the support plate.

The locking element can be arranged within the elastically deformable ring.

Furthermore, a cleaning trough for a seat plate of a seat of a childbirth chair is provided, which limits an approximately complementary to the seat plate cavity for receiving the seat plate.

Such a cleaning tub, for example, during transport, the seat plate and its padding record and protect them from damage. In addition, the cleaning tub can be filled after birth with a disinfectant to clean in place the seat plate, so that it is germ-free for further use or for transport.

The individual aspects of the present invention can be combined individually or else in combination with one another.

Fig. 1

einen erfindungsgemäßen Gebärstuhl in einer Frontansicht,

Fig. 2

den Gebärstuhl in einer Seitenansicht,

Fig. 3

den Gebärstuhl in einer Draufsicht,

Fig. 4

den Gebärstuhl in einer perspektivischen Ansicht,

Fig. 5

eine weitere Ausführungsform eines erfindungsgemäßen Gebärstuhls.

Fig. 6

den Gebärstuhl aus Fig. 1 in einer Explosionsdarstellung von vorne,

Fig. 7

den Gebärstuhl in einer Explosionsdarstellung von der Seite,

Fig. 8

den Gebärstuhl in einer Explosionsdarstellung von oben,

Fig. 9

den Gebärstuhl in einer perspektivischen Explosionsdarstellung,

Fig. 10

eine Breitenverstelleinrichtung des Gebärstuhls aus Fig. 1,

Fig. 11

den Gebärstuhl in einer Ansicht von unten,

Fig. 12

den Gebärstuhl in einer Ansicht von vorne,

Fig. 13

ein erfindungsgemäßes Schwenkgelenk in einer Draufsicht von oben,

Fig. 14

das Schwenkgelenk entlang eines Schnittes F-F,

Fig. 15

das Schwenkgelenk entlang eines Schnittes E-E,

Fig. 16

das Schwenkgelenk in einer Seitenansicht,

Fig. 17

das Schwenkgelenk entlang eines Schnittes H-H (verriegelt),

Fig. 18

das Schwenkgelenk entlang eines Schnittes G-G (verriegelt),

Fig. 19

das Schwenkgelenk in einer weiteren Seitenansicht,

Fig. 20

das Schwenkgelenk entlang eines Schnittes D-D (entriegelt),

Fig. 21

das Schwenkgelenk entlang eines Schnittes C-C (entriegelt),

Fig. 22

eine weitere Ausführungsform des Schwenkgelenks in einer Draufsicht,

Fig. 23

das Schwenkgelenk aus Fig. 22 entlang eines Schnittes A-A,

Fig. 24

das Schwenkgelenk aus Fig. 22 entlang eines Schnittes B-B,

Fig. 25

das Schwenkgelenk in einer Ausgangsstellung von der Seite,

Fig. 26

das Schwenkgelenk in einer gekippten Stellung,

Fig. 27

ein weitere Ausführungsform eines erfindungsgemäßen Schwenkgelenkes in einer Draufsicht von unten,

Fig. 28

das Schwenkgelenk aus Fig. 27 in einer Seitenansicht,

Fig. 29

das Schwenkgelenk aus Fig. 27 entlang eines Schnittes A-A,

Fig. 30

das Schwenkgelenk aus Fig. 27 entlang eines Schnittes B-B,

Fig. 31

eine Haltestange in perspektivischer Ansicht,

Fig. 32

eine weitere Ausführungsform eines Schwenkgelenks in einer seitlich geschnittenen Ansicht in einer in der horizontalen nicht arretierten Stellung,

Fig. 33

das Schwenkgelenk aus Figur 32 in einer seitlich geschnittenen Ansicht in einer arretierten Stellung, und

Fig. 34

das Schwenkgelenk aus Fig. 32 in einer seitlich geschnittenen Ansicht in einer gekippten arretierten Stellung.

The invention will be explained in more detail below with reference to the drawings. These show in:

Fig. 1

a birthing chair according to the invention in a front view,

Fig. 2

the birthing chair in a side view,

Fig. 3

the birthing chair in a top view,

Fig. 4

the birthing chair in a perspective view,

Fig. 5

a further embodiment of a Gebärstuhls invention.

Fig. 6

the birthing chair off Fig. 1 in an exploded view from the front,

Fig. 7

the birthing chair in an exploded view from the side,

Fig. 8

the birthing chair in an exploded view from above,

Fig. 9

the birthing chair in a perspective exploded view,

Fig. 10

a width adjustment of the birth chair Fig. 1 .

Fig. 11

the birthing chair in a view from below,

Fig. 12

the birthing chair in a view from the front,

Fig. 13

an inventive pivot joint in a plan view from above,

Fig. 14

the pivot joint along a section FF,

Fig. 15

the pivot joint along a section EE,

Fig. 16

the swivel joint in a side view,

Fig. 17

the pivot joint along a section HH (locked),

Fig. 18

the pivot joint along a section GG (locked),

Fig. 19

the pivot joint in another side view,

Fig. 20

the pivot joint along a section DD (unlocked),

Fig. 21

the pivot joint along a section CC (unlocked),

Fig. 22

a further embodiment of the pivot joint in a plan view,

Fig. 23

the swivel joint Fig. 22 along a section AA,

Fig. 24

the swivel joint Fig. 22 along a section BB,

Fig. 25

the swivel joint in a starting position from the side,

Fig. 26

the pivot joint in a tilted position,

Fig. 27

a further embodiment of a pivot joint according to the invention in a plan view from below,

Fig. 28

the swivel joint Fig. 27 in a side view,

Fig. 29

the swivel joint Fig. 27 along a section AA,

Fig. 30

the swivel joint Fig. 27 along a section BB,

Fig. 31

a handrail in perspective view,

Fig. 32

a further embodiment of a pivot joint in a side-sectional view in a horizontal unlocked position,

Fig. 33

the swivel joint FIG. 32 in a side-cut view in a locked position, and

Fig. 34

the swivel joint Fig. 32 in a side view in a tilted locked position.

An embodiment of a Gebärstuhles 1 according to the invention comprises a base 2, a leg 3 and a seat 4 ( Fig. 1 to 4 ).

The base 2 is a circular plate. The plate is preferably formed of stainless steel. The base 2 has a diameter of 40 cm to 80 cm and preferably of 50 cm. In the lateral edge region of the base 2, an elongated recess 5 is provided. This recess 5 is suitable to be used as a handle, so that a simple transport of the base is possible.

In the middle of the base 2, an annular shaped leg support 6 is arranged. The standing leg receiver 6 has a quick-release closure 7. By means of the quick-release fastener 7, a lower end of a stand leg 3 arranged in the standing leg receptacle 6 can be fixed in a fixed position.

The leg 3 is designed as a gas spring. The gas pressure spring 3 has a height adjustment device 9. By means of the height adjustment device 9, the gas spring 3 is infinitely adjustable so that the height of the seat 4 of the birthing chair 1 to the body size of the user is customizable.

At the upper end of the pillar 3, a trough-shaped base plate 8 is arranged. The base plate 8 has an annular bottom bracket 45 on the underside. The upper end of the Stanbeines 3 can be arranged in the annular standing leg recording. The upper end of the pillar 3 has a cone (not shown), wherein in the base plate 8, a corresponding counter-cone is formed. By pressing the two cones, the connection of the leg 3 with the base plate 8.

Between the pillar 3 and the seat 4, a pivot joint 10 is arranged for tilting the seat.

Hereinafter, a first embodiment of the pivot joint 10 will be described ( Fig. 13 to 21 ).

The pivot joint 10 comprises a support plate 11, a pivot plate 12 arranged parallel thereto, an elastically deformable ring 13 arranged between support plate 11 and pivot plate 12, and a locking element 14 rotatably mounted between the two plates for blocking and releasing the pivot joint 10.

The locking member 14 forms in conjunction with the support plate 11 and the pivot plate 12 a locking mechanism 55 from.

The support plate 11 is formed approximately square, wherein the outer dimensions correspond approximately to the dimensions of the trough-shaped base plate 8. The edge region of the support plate 11 is connected to the base plate 8, for example by means of screw connections.

Furthermore, an elongated recess 15 is formed centrally in the support plate 11, which extends in the seat direction 16. The recess 15 has an elliptical shape in plan view.

On the support plate 11, surrounding the recess, the dimensionally stable, elastically deformable ring 13 is fixed. The ring 13 has inserts with a blind hole-shaped opening and an internal thread (not shown). About these inserts, the ring 13 is fixed on the support plate 11 by means of screws. The ring is formed of an elastically deformable elastomer.

The top of the ring 13 is connected to the pivot plate 12. The ring 13 is connected to the pivot plate 12 by vulcanization.

It can also be provided that the ring 13 is connected to the support plate 11 by means of vulcanization and, accordingly, the connection with the pivot plate via screw connections. Furthermore, it is also possible that the connection of the ring with the support plate 11 and with the pivot plate 12 by means of vulcanization and / or screw connections.

The support plate 11 and the pivot plate 12 are spaced apart from each other via the ring 13 and connected to each other.

The pivot plate 12 is formed approximately square and corresponds in size approximately to the support plate 11. The pivot plate 12 has a second recess 17. The second recess 17 corresponds in shape and size of the first recess 15 of the support plate 11 and is therefore also elliptical in plan view. The two elongated recesses 15, 17 are arranged in alignment with each other in the vertical projection.

The locking element 14 is arranged approximately centrally between the support plate 11 and the pivot plate 12.

The locking element 14 has a in the plan view of the recesses 15, 17 adapted body locking body 18 which is approximately complementary to the first and second recesses 15, 17 is formed. The elliptical locking body 18 comprises a lower side, an upper side and a circumferential side wall.

An elliptical shape of the two recesses 15, 17 and the locking element 14 is preferred. Alternatively, the two recesses 15, 17 and the locking element 14 or its locking body 18 may be formed by another suitable elongated shape such as a rectangle with rounded corners.

On the upper side of the elliptical locking body 18, a round support disk 19 is integrally formed. The storage disc 19 is integrally connected to the locking body 18. At the transition between the top of the elliptical locking body 18, the support disk 19 is provided with a laterally encircling groove 20.

In the upper side of the support disk 19, a recess 21 extending radially outwards from the center is recessed. In the recess 21, an elongated pivot lever 22 is fixed by means of two screws.

The locking element 14 and the pivot lever in conjunction with the pivot plate 12 and the support plate 11 form the locking mechanism.

The elliptical locking body 18 of the locking element 14 is formed in the width transverse to the seat direction in about 4 mm narrower than the first recess 15 of the support plate 11 and the second recess 17 of the pivot plate 12 is formed.

The elliptical locking body 18 of the locking element 14 is formed in the seat longitudinal direction at least 2 mm and preferably approximately 4 mm narrower than the first recess 15 of the support plate 11 and the second recess 17 of the pivot plate 12.

The inclination angle of the seat 4 is limited by the increasing stress due to the compression of the elastomer. Alternatively, a stopper (not shown) may be used in a soft elastomer to limit the angle of inclination in and across the seating direction.

Since the locking body 18 is arranged in alignment with the first and second recesses, tilting of the arresting body 18 in and across the seating direction 16 is possible due to the radial spacing of the arresting body 18 relative to the first and second recesses 15, 17.

The underside of the locking body 18 is arranged slightly spaced from the support plate 11. The upper side of the elliptical locking body 18 is also arranged slightly spaced from the underside of the pivot plate 12. For manufacturing reasons, it is expedient to provide a small clearance between the pivot plate 12 and the locking element 14 and between the locking element 14 and the support plate 11, so that the locking element 14 can be adjusted easily.

The locking element 14 is arranged in the ring 13 such that the elliptical locking body 18 is received in the ring 13.

The two extending in the seat direction 16 portions of the groove 20 of the support disc 19 are so engaged with the extending in the seat direction 16 edge regions or the webs of the second elliptical recess 17 of the pivot plate 12, so that the locking element 14 is guided radially.

Hereinafter, an alternative embodiment of the above-described pivot joint based on FIGS. 22 to 24 explains:

This pivot joint substantially corresponds to the embodiment described above, which is why the same parts are designated by the same reference numerals. The in the FIGS. 22 to 24 illustrated alternative embodiment differs from the first embodiment in that the second recess 17 of the support plate 12 is circular and only the first recess 15 of the support plate 11 is adapted to the shape of the locking element 14 and is accordingly elliptical.

This locking mechanism thus acts only between the support plate 12 and the locking element 14. Similarly, it is possible only the second recess 17 of the support plate 12 to adapt to the shape of the locking element 14 and the first recess 15 so large form and in particular circular form that it does not cooperate with the locking element 14.

The structure of the seat 4 will be described below.

The seat 4 comprises a seat plate 23. The seat plate 23 is formed in two parts from a first seat portion 24 and a second seat portion 25. The first and the second seat portion 24 each include a buttocks portion 26, 27 and a leg portion 28, 29. From the outer edge region of each buttocks portion 26, 27 extends in the seat direction 16 forward of the corresponding leg portion 28, 29. The first and the second seat portion 24, 25 formed in two parts seat plate 23 is U-shaped in plan view.

Furthermore, the seat plate 23 has a width adjustment device 30, which is designed such that the distance transversely to the seat direction 16 between the two seat sections 24, 25 is variable.

Hereinafter, the width adjustment device 30 will be described ( 10 to 12 ).

The width adjustment device 30 comprises a housing 31, a threaded spindle 32 engaging with the two seat sections 24, 25, and two guide rods 33, 34 on which the two seat sections 24, 25 are slidably mounted.

The two guide rods 33, 34 extend transversely to the seat direction 16 through the housing 31 of the width adjustment device. The guide rods 33, 34 are fixed in the housing 31.

The threaded spindle 32 also extends transversely to the seat direction 16 and is fixed in the housing 31 transversely to the seat direction 16, but rotatably mounted. At least one end of the threaded spindle 31 is provided with a dial 46 for actuating the threaded spindle 31.

The buttocks sections 26, 27 of the first and the second seat portion 24, 25 have corresponding guides on the underside, so that they are mounted transversely to the seat direction 16 slidably on the guide rods 33, 34.

In addition, on the underside of the two seat plates 24, 25 each have a spindle nut fixed in such a way that the distance between the two seat sections 24, 25 can be changed transversely to the seating direction by turning the threaded spindle 32.

The housing 31 has, on the underside, a recess (not shown) which widens radially outwardly from the center of the housing transversely to the seat direction. In the recess of the pivot lever 22 of the locking mechanism is received. The opening angle of the recess is preferably at least 90 °.

The underside of the housing 31 is fixed, for example by means of screw on the pivot plate 12.

Optionally, each seat portion 24, 25 of the seat panel 23 may include a backrest 35, 36, an armrest 37, 38 and a footrest (not shown) ( Fig. 6 to 9 ).

The backrests 35, 36 are formed from a holding plate 39 and a back plate 40 arranged on the holding plate 39. The holding plate 39 is approximately L-shaped in a side view and consists of a lightweight plastic material. On a vertical leg of the holding plate 39, the back plate 40 is fixed. A horizontal leg of the retaining plate 39 is fixable in a corresponding on the underside of a seat portion 24, 25 arranged tab 42 by means of a quick-release fastener 58.

The armrests 37, 38 are also formed of a holding plate 56 and an arm plate 57 arranged on the holding plate 56. The holding plate 56 is approximately L-shaped in a side view and consists of a lightweight plastic material. On an upper edge of a vertical leg of the holding plate 56, the arm plate 57 is fixed. A horizontal leg of the retaining plate 39 is fixable in a corresponding on the underside of a seat portion 24, 25 arranged tab 42 by means of a quick-release fastener 58.

In the following, the operation of the pivot joint 10 will be explained.

In a locking position, the locking element 14 is arranged such that the pivot joint 10 is blocked. In a pivoting position, the locking element 14 is arranged such that the pivot joint 10 is released.

In the locked position, the elongated locking body 18 of the locking element 14 is arranged transversely to the longitudinal direction of the recesses 15, 17. The longitudinal axis of the locking body 18 then extends perpendicular to the first and second elliptical recess.

The underside of the locking body 18 is arranged slightly spaced from the top of the support plate 11 in this position. The top of the locking body 18 is arranged slightly spaced from the underside of the pivot plate 12 in this position.

If the seat plate 23 is loaded with the weight of a user, the elastic ring 13 is slightly compressed so that the pivot plate 12 rests on the top of the locking body 18 and the bottom of the locking body 18 rests on the top of the support plate ( Fig. 23 ). Thus, the weight of the user via the seat plate 23, the pivot plate 12, the locking member 14 and the support plate 11 is derived in the leg 3, without causing tilting between the pivot plate 12 and the support plate 11. The birthing chair 1 can then absorb the forces exerted by the user.

By actuating the pivoting lever 22 or its displacement into the pivoting position, the locking element 14 connected to the pivoting lever 22 is rotated such that it is arranged in alignment with the first and the second recess 15, 17. In this position, the pivot joint 10 is released.

The fact that the elliptical locking body 18 of the locking element 14 is formed in width transversely to the seat direction at least about 2mm and preferably 4 mm narrower than the first recess 15 of the support plate 11 and the second recess 17 of the pivot plate 12, the user in and against the seat direction 16 tilt. When tilted, the ring 13 deforms accordingly ( Fig. 26 ). Characterized in that the ring 13 is formed of a dimensionally stable material, the user with the seat plate 23 in a simple manner again assume a horizontal position, since the ring 13 supports this state. A tilting relative to the horizontal in the seat direction 16 is possible at an angle of +/- 15 °.

The tilting in and against the seat direction 16 prevents a one-sided pressure on the intervertebral discs is exerted. In addition, when you contract labor, it is extremely beneficial for the user to be able to tilt forward with the angle between thigh and spine remaining substantially unchanged, thus avoiding compression or squeezing of the pregnant abdomen. The forward tilting of the seat also causes the front edge of the seat not pressed against the underside of the thighs, which facilitates both the return of venous blood from the legs and increases the freedom of movement of the pelvis and relieves the intervertebral discs.

Characterized in that the elongated locking body 18 of the locking element 14 in the seat longitudinal direction at least 2 mm, and preferably about 4 mm narrower than the first recess 15th the support plate 11 and the second recess 17 of the pivot plate 12 is formed, the user can also, tilt to the left and right, transverse to the sitting direction. A tilting relative to the horizontal transversely to the seat direction 16 is possible at an angle of +/- 15 °. The formed as an elastomer locking body 18 is equally compressible in each direction, inter alia, the pivot plate is also in the directions with respect to the center of the pivot plate from 1 to 12 clock over all areas swiveled.

Thus, lateral inclinations of the pelvis are possible, which ensure optimal relaxation of the pelvic floor of the woman giving birth.

Basically, the elongated recesses 15, 17 are spaced apart from the locking body 18 so that no limitation of the pivoting movement takes place. The play between the recesses 15, 17 and the locking body 18 may also be selected such that the pivoting movement in the lateral direction or transverse to the seat direction 16 and / or in the longitudinal direction or in the seat direction 16 is limited.

The operation of the width adjustment device 30 will be explained below.

By turning the dial 46 of the width adjustment, the threaded spindle 32 is rotated. As a result, the spindle nuts on the threaded spindle 32 and the Gesätteilabschnitte 26, 27 of the first and second seat portions 24, 25 are moved over the guides transversely to the seat direction 16 on the guide rods 33, 34. In this way, the distance between the two seat sections can be set to a predefined width.

The birthing chair can also be designed as a stool ( Fig. 5 ). According to this embodiment, no back braces and armrests are provided.

Hereinafter, an alternative embodiment of the pivot joint 10 will be described ( FIGS. 32 to 34 ). The same parts as in the previous embodiments are given the same reference numerals. The description of these parts in the preceding embodiments will be referred to.

The swivel joint 10 comprises a support plate 11, a pivot plate 12 which is arranged approximately parallel to an initial position and which is connected to a housing 31 of a width adjustment device 30. The width adjustment device 30 is provided with corresponding passage openings for receiving in the FIGS. 10 to 12 shown threaded spindle 32 and the two guide rods 33, 34 is formed.

The support plate 11 is connected to a spherical segment 65. In the housing 31 of the width adjustment device 30, a ball segment receiver 66 is arranged, in which the ball segment 65 is rotatably mounted.

The support plate 11 and the pivot plate 12 are spaced from each other, wherein between the support plate 11 and the pivot plate 12 is an elastically deformable ring 13, which is arranged concentrically to the spherical segment 65 and how the rings 13 of the embodiments described above is formed.

The ball segment 65 comprises an approximately cylindrical attachment portion 67 and an associated ball segment portion 68. The attachment portion 67 of the ball segment 65 is connected to the support plate 11 by screws 69, for example. The ball segment 65 is formed from a hard or only slightly deformable plastic, steel or a non-ferrous metal. Preferably, the ball segment 65 is made of two half-shells, which form a cavity after assembly. It is also possible to form the ball segment 65 in one piece.

The spherical segment receptacle has an upper spherical shell 70 and a lower spherical shell 71. The upper ball socket 70 and the lower ball socket 71 form the spherical segment receptacle 66 for the positive reception of the spherical segment section 68 of the spherical segment 65.

The ball segment receiver 66 is arranged in a recess 73 formed in the housing 31 of the width adjustment device 30. In the housing 31 of the Breitenverstelleinrichtung 30, a cylindrical through hole 72 is formed, which extends from a side surface of the housing 31 through the ball segment receiving 66 and is arranged parallel and adjacent to the pivot plate 12. In the through hole 72, a threaded bushing 74 is disposed on the outer region.

In this embodiment of the pivot joint 10, the angle of inclination of a seat connected to the width adjustment device 30 can be adjusted by virtue of the fact that the spherical segment section 68 of the ball segment 65 is rotatably received or mounted on corresponding surfaces formed in the spherical segment receptacle 66.

Furthermore, a locking element 14 is provided. The locking element 14 comprises an adjusting lever 22. The adjusting lever 22 is connected to a bolt 77 which is mounted in the passage opening 72. The bolt has a threaded portion which fits into the threaded bushing 74 engages. At pointing in the direction of the ball segment 65 free end, a fixing element 75 is fastened to the bolt 77 with a screw. The fixing element 75 is approximately tubular, so that it comprises the end of the bolt 77 and has on its end facing the spherical segment 65 an adapted to the shape of the spherical segment 65 concave spherical segment-shaped recess 76.

By actuating the adjusting lever 22, the locking element 14 can be actuated such that the orientation element 14 is moved in the passage opening 72 in the direction of the ball segment 65 or moved away from it by the threaded engagement of the bolt 77 with the threaded bushing 74. The orientation element 14 can be pressed with its spherical segment-shaped recess 76 against the ball segment 65, so that the housing 31 of the width adjustment device 30 is fixed in its position with respect to the support plate 11 by the frictional engagement of the fixing element 75 with the ball segment 65.

The fixing element 75 is preferably made of a hard elastomeric material, such as a hard rubber or a soft metal, such as e.g. Brass, formed, which causes a good frictional engagement with the ball segment 65.

The inclination angle of the seat 4 is limited by the increasing due to the compression of the elastomeric ring 13 bias.

In this embodiment, the fixing or locking of the pivot angle is decoupled by means of the locking element 14 of the elastic bearing. The elastic bearing is achieved in the embodiment by the ring 13. In the context of the invention, of course, other elastic bearings, such as spring elements, which are arranged between the support plate 11 and the pivot plate 12, possible.

Instead of a frictional connection, a positive connection between the locking element and the spherical segment can also be provided if the corresponding surfaces are formed, for example, with a toothed surface.

Hereinafter, an alternative embodiment of the pivot joint 10 will be described ( Fig. 27 to 30 ), which is similar to the pivot joint described in the first embodiment. Identical parts are provided with the same reference numerals.

According to this embodiment, the support plate 11 is provided on the upper side with a vertically arranged in the edge region of the support plate 11 frame 47.

On the pivot plate 12, an elastic suspension 48 is arranged on the underside, via which the pivot plate 12 is connected to the support plate 11.

The elastic suspension 48 comprises a ring element 49 and four elastic rubber blocks 50. The ring element 49 is connected to the underside of the pivot plate. On the ring element 48 equidistant from each other, the four radially extending rubber blocks 50 are arranged. The rubber blocks 50 are formed of an elastically deformable material and also have spring properties.

The rubber blocks 50 are connected to the frame of the support plate 11, e.g. by means of screws (not shown) connected.

Furthermore, at least one or more locking pins 51 extending in the horizontal direction are arranged on the ring element 49 in each case in the region between two rubber blocks 50.

On the support plate 11, the ring member 49 surrounding a locking ring 52 ( Fig. 27, Fig. 30 ) arranged. The locking ring 52 is connected to a arranged below the support plate 11 pivot lever 22. The locking ring 52 has on the upper side at least one or more vertically arranged locking hooks 53. The locking hooks 53 are formed with a locking recess 54 extending in the horizontal direction, which is designed to receive the locking pin 51 ( Fig. 30 ). The locking ring 52 has slots 59 which are each penetrated by a bolt 11 connected to the support plate ( Fig. 27 ). The slits 59 limit a rotational angle of the locking ring 52 of about 10 ° to 15 °. By turning the locking ring 52, the locking hooks 53 can be brought into engagement with the locking pins 51 or the engagement can be released again.

Thus, by operating the pivot lever 22, the pivot joint 10 can be adjusted from a locking position to a pivot position.

In the locking position, the locking hooks 53 are engaged with the locking pins 51. As a result, the pivot joint 10 is blocked.

In a pivoting position, the locking pins 51 are no longer arranged in the Arretierausnehmungen 54 and thus released. Thus, a tilting of the pivot plate 10 connected to the seat plate 23 in and across the seat direction 16 is possible.

There are also other known from the field of office chairs training of the swivel joint possible.

The guide rods of the width adjustment device can also be designed as rails or the like.

The seat panel, the backrests, the armrests and / or the footrests may also be provided with a padding so that the user is allowed to sit comfortably.

The birthing chair according to the invention can by its modularity, i. in that the individual components are connected to each other by means of quick-release fasteners, transported by a person in individual parts and constructed in the simplest way.

Despite the low weight of the birthing chair, due to the plastic components, the metal base offers high stability and stability.

Alternatively, instead of the threaded spindle, the width adjustment device can also have a latching rod on which the distance between the two seat sections can be adjusted by means of ball thrust pieces. In such an embodiment, the distance between the two seats is lockable by pressing the ball pressure pieces adjustable ( Fig. 31 ).

Alternatively, the connection of the supporting leg 3 to the base plate 8 can be effected by means of a quick-release closure arranged in the annular supporting leg receptacle 45.

The birthing chair may be supplemented by a support bar 60 which can be arranged in front of the birthing chair in the seat direction 16 such that a user sitting on the birthing chair can hold on to the support bar 60. As a result, the user can exert panic and bending forces on her body when she wants to pivot her hip against the spine by means of the pivot joint 10. Bending and flexing the user's body can thus be done much more effectively on the birthing chair.

The support bar 60 is preferably a horizontal support bar which is attached with its ends to two vertical columns. The support rods 60 therefore have fastening sleeves 62 at their ends, which are each penetrated by one of the two columns 61. The fastening sleeves are provided with locking elements, which engage in corresponding latching openings on the columns 61. This makes it possible to arrange the support bar 60 at different heights horizontally on the columns 61. Each of the pillars 61 has a pedestal 63. In the present embodiment, the base is formed of a horizontal rod, at the longitudinal center of each of the two columns 61 is attached. The ends of the base 63 are each provided with a suction cup 64, so that the feet or the columns can be fixed on a smooth surface. The support rod is preferably telescopically adjustable in length, so that the holding rod 60 and the holding columns 61 comprehensive holding device can be arranged with different widths.

Of course, other types of feet are possible.

The support bar 60 according to the invention is preferably provided with the above-mentioned Gebärstuhl. In the context of the invention, however, it is also possible to provide this support rod in combination with another swivel joint having a chair. With the support rod, the pivoting movements can be supported on another chair having a swivel joint.

LIST OF REFERENCE NUMBERS

1

birthing stool

2

stand

3

foothold

4

Seat

5

recess

6

Mainstay recording

7

Quick-release

8th

baseplate

9

height adjustment device

10

pivot

11

support plate

12

swivel plate

13

ring

14

locking

15

first recess

16

seat direction

17

second recess

18

detent

19

storage disc

20

groove

21

recess

22

adjusting

23

seat plate

24

first seat section

25

second seat section

26

Buttock section

27

Buttock section

28

leg portion

29

leg portion

30

Width adjustment facility

31

casing

32

screw

33

guide rod

34

guide rod

35

backrest

36

backrest

37

armrest

38

armrest

39

Retaining plate

40

backplate

41

horizontal thigh

42

flap

43

Quick-release

44

vertical thigh

45

Stan strut mount

46

dial

47

frame

48

elastic suspension

50

rubber block

51

locking pin

52

locking ring

53

locking hook

54

locking recess

55

locking mechanism

56

Retaining plate

57

arm plate

58

Quick-release

59

slot

60

Handrail

61

pillar

62

mounting sleeve

63

stand

64

suction cup

65

ball segment

66

Ball segment receiving

67

attachment section

68

Ball segment section

69

screw

70

upper ball cup

71

lower ball cup

72

Through opening

73

recess

74

threaded bushing

75

fixing

76

spherical segment-shaped recess

77

bolt

Claims (15)

Including a birthing chair,
a pillar (3), at its upper end
a seat (4) is fastened and the seat (4) has a seat plate (23) and a pivot joint (10), the pivot joint (10) being arranged between the upper end of the stand (3) and the seat plate (23), and
the seat plate (23) is approximately U-shaped in plan view. Delivery chair according to claim 1,
characterized,
in that the pivot joint (10) has a locking mechanism (11, 12, 14, 15, 17, 22, 55) with which the seat plate (23) can be fixed in its position. Delivery chair according to claim 1 or 2,
characterized,
in that the swivel joint (10) is designed to tilt the seat plate (23) relative to the horizontal seat direction (16), the swivel joint (10) preferably having a floating bearing, which is in particular a ring (13) of elastically deformable material. Delivery chair, in particular according to one of claims 1 to 3, comprising
a pillar (3), at its upper end
a seat (4) is fastened and the seat (4) has a seat plate (23),
wherein the seat plate (23) is formed in two parts from a first seat portion (24) and a second seat portion (25) and each seat portion (24, 25) has a seat portion (26, 27) and a leg portion (28, 29), wherein extending from each buttocks portion (26, 27) from the outer edge portion in the seat direction (16) forward a leg portion (28, 29), and
a width adjustment device (30), which is designed such that the distance between the two seat sections (24, 25) is variable. Delivery chair according to claim 4,
characterized,
in that the width adjustment device (30) has a threaded spindle (32) or latching rod engaging the two seat sections (24, 25) for adjusting the distance between both seat sections (24, 25) and preferably one or two guide rods (33, 34), on which the two seat sections (24, 25) are slidably mounted. Delivery chair according to one of claims 1 to 5,
characterized,
in that in the seat direction (16) rear end of the seat plate (23) has a backrest (35) and / or at the lateral edge regions of the seat plate (23) each have an armrest (37) and / or in the seat direction (16) front end of the seat plate (23) in each case a footrest is arranged. Delivery chair according to one of claims 1 to 6,
characterized,
that the supporting leg (3) comprises a gas spring with a height adjustment device (9) for adjusting the height of the seat (4). Delivery chair according to one of claims 1 to 7,
characterized,
in that a bag-shaped placental collecting pocket is arranged in the front region of the seat plate (23). Swivel joint for a chair, in particular a birthing chair according to one of claims 1 to 8, comprising
a pivot plate (12) on which the seat plate (4) can be arranged, and
a fixed support plate (11) which is connectable to a leg (3), wherein between the pivot plate (12) and the support plate (12) is a ring (13) made of elastically deformable material, and
a locking element (14) is rotatably arranged between the pivot plate (12) and the support plate (13) such that it can be locked with at least one of the two plates (11, 12) and preferably with both plates (11, 12) in such a locking position, the two plates (11, 12) are arranged to each other in a parallel and / or inclined position. Swivel joint for a chair according to claim 9,
characterized,
in that the ring (13) is connected to the support plate (11) and the pivot plate (12) in particular by vulcanization and / or an adhesive connection and / or screw connections. Swivel joint for a chair according to claim 9 or 10,
characterized,
in that the locking mechanism (55) comprises a bearing comprising a spherical segment (65) and a spherical segment receptacle (66) for pivoting the pivoting plate (12) relative to the support plate (11) and a locking element (14) such that the locking element (14) engages with the locking element (14) Ball segment (65) for fixing the position of the pivot plate (12) with respect to the support plate (11) can engage. Swivel joint for a chair according to one of claims 9 to 11,
characterized,
in that the locking element (14) is arranged inside the elastically deformable ring (13). Cleaning tub for a seat plate of a seat of a birthing chair according to one of claims 1 to 12,
wherein the cleaning trough delimits a cavity approximately complementary to the seat plate (23) for receiving the seat plate (23). Including the delivery system
a birthing chair having a pivot joint, and
a handrail, which can be arranged in front of the delivery chair (1), wherein the support bar (60) is preferably arranged approximately horizontally, so that a user of the delivery chair can hold on to the support bar (60). Delivery system according to claim 14,
characterized,
that the holding rod (60) extends between two vertical columns (61) and is adjustable in height and / or length, and / or birthing chair is constructed according to any one of claims 1 to. 8

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