AU603430B2 - Maternity bed and chair combination - Google Patents

Maternity bed and chair combination Download PDF

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Publication number
AU603430B2
AU603430B2 AU12602/88A AU1260288A AU603430B2 AU 603430 B2 AU603430 B2 AU 603430B2 AU 12602/88 A AU12602/88 A AU 12602/88A AU 1260288 A AU1260288 A AU 1260288A AU 603430 B2 AU603430 B2 AU 603430B2
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AU
Australia
Prior art keywords
patient
seat
foot
supporting
bed
Prior art date
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Ceased
Application number
AU12602/88A
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AU1260288A (en
Inventor
Edward Alfred Martin
Original Assignee
Edward Alfred Martin
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Filing date
Publication date
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Priority to AU12602/88A priority Critical patent/AU603430B2/en
Publication of AU1260288A publication Critical patent/AU1260288A/en
Application granted granted Critical
Publication of AU603430B2 publication Critical patent/AU603430B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00Operating tables; Auxiliary appliances therefor
    • A61G13/0009Obstetrical tables or delivery beds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/005Chairs specially adapted for gynaecological purposes, e.g. obstetrical chairs

Description

SAUSTRALIA 34 1 1 X, -6 Or;.i 1 3 4 3 oi/00 Form PATENTS ACT 1952 COMPLETE SPECIFICATION
(ORIGINAL)
FOR OFFICE USE Short Title: Int. CI: Application Number: Lodged: '0 0 o Comnplets Specification-Lodged: o Accepted: Lapsed: Published: "Prisity: 9 o Related Art: 6* 4, This document contains the namendments made under i Section 49 and is correct for printing.
4 TO BE COMPLETED BY APPLICANT Name of Applicant: Address of Applicant: EDWARD ALFRED MARTIN 29 Ourven Road, Hamilton Hill, W.A. 6163 L :E;zb';
J
Ih Actual Inventor: Edward Alfred Martin Address for Service: 29 Curven Road, Hamilton Hill, W.A. 6163 Complete Specification for the invention entitled: Maternity bed and chair combination The following statement is a full description of this invention, including the best method of performing it known to me:-* SNote: The description is to be typed in double spacing, pica type face, in an area not exceeding 250 mm in depth and 160 mm in width, on tough white paper of good quality and it is to be inserted inside this form.
14599/78--L Printed by C. J. THOMPSON, Commonwealth Government Printer, Canberra 1(
I,
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p~, ,.1 [ITLE: MATERNITY BED AND CHAIR COMBINATION 1: I c- C V C C C Ct
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CC I C CC.
C CC C C .1 CC *6 IY 1 t C C I C This invention relates to hospital beds and chairs and more particularly to maternity beds and chairs used by a female patient before, during and after childbirth.
In addition, this invention relates to a multifunction, combination bed/chair having fully independent, movable and adjustable sections to accomodate the patient in a variety of positions, from recumbent, through to a sitting or a squat like position, through to the lithotomy position, suitable for labor, delivery, and other obstetric or gynecological reasons; and at the same time providing maximum access to medical staff throughout tie perinatal processes. Hereinafter the 1 0 term maternity bed and chair combination may be referred to as maternity bed/chair or bed/chair.
Obstetric tables, maternity beds and so called birth chairs all basically perform the same function, that is, aiding various stages of childbirth including delivery. Although, each of these devices are specifically designed for these purposes, they have numerous limitations. Some for 1 5 example do not allow the seat section to be tilted making it difficult for attending medical personnel to gain access during delivery, some others do not provide a lithotomy position making some surgical operations difficult if not impossible. Some are not practical in that numerous clip on or attachable components such as foot supports and the like are time consuming and cumbersome to attach or remove, whilst also being difficult to clean and maintain. Most however, have only limited adjustment of the sections or positions, and thus, not providing patients with maximum comfort or medical staff with maximum access to the.
patient. Armrests, are a feature rarely provided, yet these provide great security and comfort to the patient and allow the patient to exert counterpressure as required during labor and delivery. Another feature seldomly seen on these delivery devices, is a a quick or emergency release mechanism to lower the patient's head below horizontal should she faint, thus allowing rapid blood flow back to the brain. The maternity bed and chair combination of this current invention overcomes all these limitations providing a bed/chair that the patient may use for all stages of normal and caesarean childbirth.
The object of the invention is to provide a maternity bed and chair combination which 30 allows the patient and/or medical staff to select from a large variety of positions, the most comfortable position for the patient, allowing the variation of the position as required during all phases of the birthing process, and at the same time providing maximum comfort and access to medical staff during these processes. A further object of the invention is to eliminate the requirement to move or transfer the patient from one bed to another by providing a maternity bed and chair combination suitable for accomodating the patient before, during and after all
I
I 1 1 o 0 0 0 0 0 0 00 o 0 00 0 00 0 0 0 0O 00 0 0s 0 0 0 0 00 a 0 0 0 00 0 0 birth related procedures, and also to eliminate the requirement to physically move the patient along the bed before varying its position, thus improving patient comfort.
Accordingly, a maternity bed and chair combination to meet the above objectives has been invented comprising: A back section to support the patient's upper body and head which is independently adjustable by either patient or medical staff.
A seat section to support the patient's buttocks which is independently adjustable by either patient or medical staff and having a recess to allow access to the perineal region of the patient.
A common base frame with supporting and lifting means to move the seat and back sections to the desired height and which is also independently adjustable by either patient or medical staff.
And a removable foot section having a protrusion to interface with the seat section and having locking means to lock the foot section and seat section together.
1 5 When configured as a bed, that is with the back section and seat section coplanar and connected to foot section, the patient does not have to move along the bed if she wishes to sit up, squat or occupy any other position.
The maternity bed/chair can be configured as a bed, allowing the patient to enter it as a bed in its lowered position prior to child birth, examination or other obstetric or gynecological 20 procedure. The bed can then be adjusted to be a chair or other position through to lithotomy as required for the procedure. The patient can then recover in a bed configuration again, and then later, exit from the bed in its lowered position for ease of alighting. Of course, the patient may enter and exit whilst the bed/chair is configured other than a bed, for example configured as a reclined chair.
The maternity bed/chair provides an endless variety of positions capable of being controlled by the patient and/or medical staff for maximum patient comfort by adjusting back section and seat section independently of one another, also providing the desired position most suitable and convenient, for attending medical staff.
The maternity bed/chair provides full height adjustment, again capable of being controlled by the patient and/or medical staff, to allow patient ease of entry and exit and also to select the most suitable and comfortable height for medical personnel whilst tending to the patient.
The maternity bed/chair provides maximum comfort to the patient's legs by means of the removable foot section when configured as a bed and by means of adjustable foot rests when removable foot section has been removed.
r, 11
A
U9~ c i Once the removable foot section has been removed, because of the shaped recess in the seat section and the adjustable foot rests, together with adjustable back section, adjustable seat section and adjustable overall height, maximum access can be provided to medical staff for examinations, monitoring, child birth or any other obstetrical or gynecological procedures.
By providing a locking means to lock the removable foot section to seat section, the complete bed/chair can be moved readily from room to room or as required, and finally, brake firmly in any desired position by operating the foot brake(s).
The maternity bed/chair has movable arm rests which can be moved out of the way when not required and if required, locked into position to provide the patient with comfort, security and leverage.
S" The maternity bed/chair has a quick or emergency release mechanism to lower the back section below horizontadl should the patient faint, thus allowing rapid blood flow back to the head.
This invention provides a very safe, quiet, comfortable and aesthetically pleasing S" 15 maternity bed and chair combination requiring minimal maintenance, whilst being extremely easy to clean.
This invention may best be explained and highlight further features and advantages, by :00 referring to the following details and description of a particular embodiment, read in conjunction with the associated drawings: "a 1 o Description of drawings of a particular embodiment Fig. I is a plan view of the maternity bed/chair when configured as a bed, that is, 0 with back section and seat section coplanar and with removable foot section attached, and with cutaway views showing details of base frame, supporting means and lifting mechanism.
Fig. 2 is a side elevation view also configured as a bed showing retracted armrests and foot rests.
Fig. 3 is a side elevation view also configured as a bed also showing the s3 i 50 back section raised with arm rests in position.
Fig. is a side elevation view with bed/chair configured like a chair, that is, with back section raised, seat section raised and with removable foot section removed. The arm rests and foot rests are shown in position. The chair is raised and the side panels are cutaway exposing the supporting means and lifting mechanism.
Fig. 5 is a side elevation view showing approximate range of positions available of the back section and seat section. Foot section is removed.
Fig. 6 is a cutaway side view showing the supporting mai.;J and lifting mechanism when the bed/chair is lowered.
Fig. 7 is a cutaway side view showing the supporting means and lifting mechanism when the bed/chair is raised.
Fig. 8 shows the foot rest assembly in detail.
Fig. 9 is a side elevation view showing back section in normal lowered position with emergency drop lever also shown but not operated.
Fig. 10 is a side elevation view showing back section in rearwardly inclined position with emergency drop lever operated.
r r c Details and description of a particular embodiment 6 .I crrc? A maternity bed and chair combination according to this invention has been designed to meet all the design objectives and requirements of modern maternity hospitals. This invention provides a very safe, comfortable and aesthetically pleasing maternity bed and chair combination providing maximum access to medical personnel during childbirth, obstetric and 20 gynecological procedures, requiring minimal maintenance and allowing cleaning of the bed/chair to be carried out easily.
Apart from the base irame 1 and supporting means the basic bed/chair consists of only a back section 3, a seat section 4 and a removable foot section 5. These three sections form the basis of the patient support surface and are designed to accomodate the patient in all positions.
The patient is accomodated whilst recumbent as shown in Fig. 2 or semi recumbent, that is with back section 3 raised causing the head end to be the highest as shown in Fig. 3. These positions with foot section 5 attached will henceforth be known as the recumbent configuration. Once the foot section 5 is unlocked from the seat section 4 and removed the patient is only supported by two surfaces, that is, the seat section 4 and the back section 3, the foot rests 9 can now be 3 0 utilised by adjusting them to the desired length and radial position. The remaining two sections, i ,uci 1~~ I I that is, the seat section 4 and the back section 3 can be independently adjusted to the most comfortable or desired position, as shown in Fig. 4 and Fig. 5. The back section 3 and seat section 4 are independently adjustable, both pivoting from approximately the same point, that is, at the junction of the seat section 4 and the back section 3, Operating these adjustments allows the bed/chair to assume an endless variety of positions from recumbent as shown in Fig.
i ltLLI.
r ol~nr~*lraps~~ r^ o O 0994 09 04 00 9 2 through to sitting as shown in Fig. 4 through to lithotomy as shown in Fig. Once the back section 3 is raised the patient can be made more comfortable and more secure by folding out arm rests 10 as shown in Fig. 3. These also provide a means for the patient to obtain leverage during child birth or even to just simply rearrange her position slightly.
The foot rests 9 also provide a great deal of security and comfort and can be individually adjusted in length to suit each patient and adjusted and locked radially for comfort or access by medical staff to the perineal region of the patient.
The unique shape of the seat section 4, that is, with a mouthed recess 1 1 allows a more 1 0 comfortable birth and greater access to the perineal region of the patient. The interfacing shape of the foot section 5, that is, protruding shape 12 to match seat section recess 11, allows, the foot section 5, when coupled or locked to the seat section 4 to form a normal shaped bed despite the bed/chairs variety of configurations, this is best shown in Fig. 1.
The frame itself 1 is very simple and basically provides a base to mount the supporting 1 5 means and lifting mechanism 2, which lifts and controls the height of the remainder of the bed/chair. The frame 1 has suitable castor or roller assemblies 48 which allows movement across the floor surface and could have fitted breaking assemblies as part of the castor.
assemblies to lock the maternity bed/chair in any desired location. The frame being basically shaped, provides stability and strength whilst providing maximum access to the patient by 20 medical staff and equipment. The supporting means and lifting mechanism 2 lifts the seat section 4 and back section 3 elevationally regardless of their current relationship to each other, and regardless of the positions of the armrests 10 or foot rests 9. The foot section 5 has been removed prior to operating the lifting mechanism.
The removable foot section 5 includes an upper patient support surface 8 on which the patient's legs and feet are supported whilst the bed/chair is in the previously described recumbent configuration as shown in Fig. 2 or Fig. 3, this upper patient support surface 8 is the top surface of a mattress or cushion. This upper patient support surface 8 is also shaped with a protruding section or shape 12 to interface with the recess 11 of seat section 4 when coupled or locked together. Locking means 13 secure or lock the foot section 5 to seat section 4 as best shown in Fig. 2 when seat section 4 is in its lowered position. The removable foot section 5 may simply be removed by unlocking it from the seat section 4 and being rolled or taken away. The removable foot section 5 may consist of an upper patient support surface 8 attached to or sitting on foot section mattress supporting structure 15 and held at the correct height by a table style or trolley style frame 14.
The adjustable seat section 4 also includes an upper patient support surface 7 on which 09 00 0 o 99 0 OW'r 0 fr6 0 0 0 a a A 4 nts, 6 i 4 £r r i t 4444 44 4 4 4I 4 O V 0 0rr oo43DD the patient's buttocks are supported, whether the bed/chair is in the previously described recumbent configuration or not. Again this upper patient support surface 7 is the top surface of a mattress or cushion. This upper patient support surface 7 has a centrally located open mouthed recess at the foot end of the seat section to allow access to the perineal region of the patient. The adjustable seat section 4 may consist of an upper patient support surface 7 attached to or sitting on seat section mattress supporting structure 1 6.
The adjustable back section 3 also includes an upper patient support surface 6 on which the patient's upper body and head are supported, whether the bed/chair is in the previously described recumbent configuration or not. Again this upper patient support surface 6 is the top I 0 surface of a mattress or cushion and may be shaped to include a pillow or allow attachment of a pillow if desired. The adjustable back section 3 may consist of an upper patient support surface 6 attached to or sitting on back section mattress supporting structure 17.
As shown in Fig. 4 the adjustable seat section 4 and adjustable back section 3 form the basis of conversion from a bed to a chair or other form. These two sections are connected to a 1 5 common supporting means and lifting mechanism 2 enclosed in a shell or cover 49 to protect human limbs from injury, prevent entry of dirt and other foreign materials and at the same time to look attractive by hiding the mechanics. As shown in Fig. I the seat section mattress supporting structure 1i 6 is built around seat section framework 50 and the back section mattress supporting structure 17 is built around back section framework 51.
As shown in Figures 1, 6 and 7 the seat section mattress supporting structure 16 and back section mattress supporting structure 17 pivot about a common pivot head 18, although they have independent axes about which each of the two sections pivot.
The seat section 4 pivots about axis 19 at the foot end of the pivot head 18 whilst, the back section 3 pivots about axis 20 at the head end of the pivot head 18 Pivot head 18 is connected to height adjusting support structure 21.
As best shown in Fig. 4, adjustment of the seat section 4 is accomplished by operating seat section raising means 22 which is connected between height adjusting support structure 21 and seat section pivot bracket 23 connected to seat section mattress supporting structure 16 and thus causing seat section 4 to pivot about seat section pivot axis 19. Seat section raising means cover 52 reduces noise, prevents entry of foreign bodies and dirt and disguises the actual raising means mechanism 22.
Adjustment of the back section 3 is accomplished by operating back section raising means 24 which is connected between height adjusting support structure 21 and back section pivot bracket 25 connected to back section mattress supporting structure 17 and thus causing back section 3 to pivot about back section pivot axis 20. Shown on Fig. 5 back section raising means s4 04a 4b 0 44 4*4 44 4 4 4 i
I
^i Y----c*ar~iun~ur~ a~?F~c~*c;~cnauazl C C c Ci (Cr 2C C I cover 53 also reduces noise, prevents entry of foreign bodies and dirt and disguises the actual raising means mechanism 2-1.
As best shown in Figures 9 and 10, the back section 3 can assume a position lower than horizontal, that is, rearwardly inclined. A means is provided to rapidly lower the back section 3 to this position in an emergency, such as the patient fainting and thus allowing increased blood flow to the patient's head. Of course, this position can be used at any time for any obstetric procedure. This emergency release or lowering of the back section 3 can be achieved by providing a slot 54 in the back section pivot bracket 25. Normally a back section pivot lock prevents the slot 54 from being used fully and only allows pivot operation at one end of the 1 0 slot 54 by back section raising means 24. If back section pivot lock release lever 56 is operated, this releases the back section pivot lock 55 and causes the bcck section 3 to drop rapidly until the other end of the slot 54 is reached by the upper end of the back section raising means 24.
At any time the arm rests 10 can be locked into position as shown in Fig. 3. It is envisaged 1 5 that the armrest I 0 would only be used once the back section 3 is raised to provide comfort, security and leverage to the patient, the arm rests 10, however, may be used with the bed/chair in any position or configuration.
The arm rests 10 are connected to the back section mattress supporting structure 17 by arm rest connecting arm 26, and arm rest pivot 27 thus allowing the arm rest 10 to swing through approximately 180 degrees to either of the positions shown in Fig. 3. Arm rest locking means 28 locks the arm rest in either position. As shown in Fig. 2 this allows the arm rest to be locked out of the way for patient entry or exit, as well as to provide medical staff with greater access to the patient when arm rests 10 are not required.
Once the removable foot section 5 has been removed as shown in Fig. 4 the foot rests 9 may be used by the patient for comfort and security, they may also be used by the patient as a means of leverage. The foot rest's main function, however, is to provide the patient with the most comfortable position during child birth and to provide maximum access to the patient during examination, obstetric procedures and the like, this is achieved by radially adjusting the foot rests 9.
30 Fig. 8 shows a detailed view of the foot support assembly. The foot rests 9 slide up and down (along) the foot rest connecting arm 29 to allow rapid adjustment for the correct length for each patient's legs. Foot rest locking means 30 ensures that the foot rest remains in the selected position. This type of coupling and locking means 30 also allows the foot rest to rotate about the foot rest connecting arm 29 in a radial manner again, quickly allowing the most comfortable foot rest position to be selected. Foot rest stop 31 located at the end of connecting i j p; ;E~~i 1, 1 .Vm A.
C
arm 29 prevents the foot rest 9 from being accidentally removed during adjustment. The foot rest itself 9 may be shaped to accomodate the usual shape of the patient's foot and even providing foot arch support for maximum comfort. Straps may be provided for attaching the patient's legs firmly to the foot rest connecting arm 29 during examinations, surgical procedures and the like and would be especially useful if the patient assumes the lithotomy position.
To operate the radial adjustment of the foot rest connecting arms 29 and hence the foot rests 9 thus allowing the patient's legs to come together or spread out as desired an adjustment with a locking or braking mechanism may be used. This radial movement of the foot rest 1 0 connecting arm 29 can best be seen in Figures 1 and 8. Figures 1, 4 together with 8 give a good understanding of the radial operation of the foot rests 9 and foot rest connecting arms 29. Foot rest connecting arm 29 is connected to a rotating disc 32 which has its centre on axis 33 and can rotate about spindle 34. Locking can be achieved by using a pressure to couple a fixed braking disc 35 to rotating disc 32 which can both be located on same spindle 34. One or both of 1 5 the discs may have a braking surface. The rotating disc 32 will be brought into contact with fixed disc 35 by pulling the complete spindle 34 upwards (in the direction of the fixed disc and this may be achieved by rotating an eccentric shaft 36 which is held in position with eccentric shaft support brackets 37 which in turn can be fixed to the seat section framework Connecting a foot rest locking lever, handle or similar 38 to eccentric shaft 36 provides a means of engaging and disengaging the braking mechanism and thus locking or unlocking the foot rest connecting arm 29 with foot rests 9 attached. Once unlocked, the foot rest connecting arms 29 can be rotated radially. Positioning the foot rest locking handle 38 in a convenient position as best shown in Fig. 4 enables both patient and attending medical staff to operate the foot rest locking mechanism and allcws for rapid foot rest adjustment.
The height of the back section 3 and seat section 4 may be adjusted to facilitate patient entry and exit, as well as, providing the most suitable height for the comfort and convenience of attending medical staff. As shown in Figures 6 and 7 the height adjustment may be provided for by connecting the height adjusting support structure 21 which in turn supports the back section mattress supporting structure 17 and seat section mattress supporting structure 16 via pivot head 18) to the fixed vertical support 39 which is firmly connected to the base or frame 1, via parallel linkage 40. Each end of the parallel linkage 40 is connected to the height adjusting support structure 21 and the fixed vertical support 39 by transverse linkage pivot shaft 41 and linkage pivot shaft retainer or bearing 42. To accomplish height adjustment, oper etion of lifting means 43, which is connected at one end to fixed vertical support structure 39 via fixed vertical support lifting bracket 44 and at the other end to height adjusting support 4:j~
JE
r i 9 structure 21 via height adjusting support bracket 45, will raise the height adjusting support structure 21. Because seat section raising means 22 and back section raising means 24 are coupled to the height adjusting support structure 21, the back section 3 and seat section 4 will V retain their current configuration or position relative to each other throughout the full range of height adjustment.
Although it is envisaged that the lifting means 43, seat section raising means 22 and back section raising means 24 will be electrically operated bi-directional linear actuators, this is not necessarily r instance manual, pneumatic, hydraulic or electrically operated lifting means could be used.
In order for both patient and medical staff to have convenient access to the independent operational controls 46 which in turn independently control the lifting means 43, seat section raising means 22 and back section raising means 24, these could be provided in a position as shown in Fig. 4 at the junction of seat section 4 and back section 3. A control cover 47 could be fitted to prevent dirt and foreign bodies from fouling the controls as well as providing an attractive finish to cover the internal workings or wirings, and at the same time enclosing the Sfoot rest locking lever 38.
It is envisaged that modifications and changes may be made to the particular, described and detailed embodiment of the invention without departing from the spirit and scope thereof and therefore the invention is not limited by which is described in the specification and illustrated in the drawings, but only as indicated in the accompanying claims.

Claims (4)

1. A maternity bed and chair combination for use by a female patient before, during and after the child birth process, and comprising of: a back section, for supporting the patient's upper body and head, independently adjustable, tilting about a horizontal axis located at the opposite end of the back section to the head end, from a horizontal position through to a steeply inclined position, allowing the patient's upper body and head to occupy a range of positions associated with lying through to sitting upright; a seat section, for supporting the patient's buttocks and thighs, independently adjustable, tilting about a horizontal axis located at the junction of the said back section with the seat section, i, from a horizontal position through to a steeply inclined position, allowing the patient's buttocks and thighs to occupy a range of positions associated with lying through to a lithotomy position, that c is, with thighs raised almost vertically, the seat section also having an open mouthed recess, Slocated at the opposite end to the axis end, allowing access to the perineal region of the patient; S 15 a removable foot section, for supporting the patient's lower legs and feet, having a protrusion to interface with the recess in the said seat section and locking means to lock the foot section to the said seat section, when their upper surfaces for supporting the patient are coplanar; and a common base frame, with supporting and lifting means, to support and lift the said seat section and the said back section to the desired height most suitable for the attending medical 20 personnel and the patient, once the said foot section has been removed. C c C
2. A maternity bed and chair combination according to claim I, wherein the said seat section c includes a pair of foot supports for supporting the patient's feet, each foot support having an :I adj usting means to vary the distance between the foot support and the upper surface of the said j 25 seat section which supports the patient's thighs, thereby comfortably accommodating each ;1 •patient's leg length, each foot support also being independently adjustable laterally, that is, away from the said seat section recess, allowing access to the perineal region of the patient whilst comfortably supporting the patient's feet.
3. A maternity bed and chair combination according to claim 1, wherein the said back section includes a pair of arm rests for supporting the patient's arms, each arm rest having a pivot point ii located at the junction of the arm rest and the said back section and also having locking means, allowing the arm rests to be locked forward for the patient's arms to rest on, or folded behind the said back section and locked out of the way when not required. 0 ~Z t Li 11I 1. A maternity bed and chair combination according to claim I wherein the said back section includes a releasing means to rapidly lower the said back section to a level lower than horizontal, that is rearwardly inclined, allowing for increased blood flow to the patient's head in the event that the patient faints. S. A maternity bed and chair combination substantially described herein with reference to the accom panying drawings. Dated thi~s I Sth day of August 1 990. Edward Alfred Martin. C tgr~ o~ 14 0 ii
4 S tile *4 4 44 0 il~ 404044 4 4 0044 I~ 4 0004 4444 0 44 40 0 0 40 04 4 4 4.4 .44 4 4 4 ott 0.4 .4 p ~4
AU12602/88A 1988-03-03 1988-03-03 Maternity bed and chair combination Ceased AU603430B2 (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
AU12602/88A AU603430B2 (en) 1988-03-03 1988-03-03 Maternity bed and chair combination

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AU1260288A AU1260288A (en) 1989-11-23
AU603430B2 true AU603430B2 (en) 1990-11-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2476401A3 (en) * 2011-01-18 2012-10-24 Stefan Thurmaier Birthing chair

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103330627B (en) * 2013-06-26 2015-08-12 迟英娟 Gynecological chair
CN103356355B (en) * 2013-07-25 2016-02-03 吴平 Chair special for obstetrical department
CN103405324B (en) * 2013-07-26 2015-10-07 胡子喻 Childbirth operating chair
CN103431970A (en) * 2013-09-06 2013-12-11 四川大学华西第二医院 Free position seat obstetric table

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU532812B2 (en) * 1979-02-08 1983-10-13 Borg-Warner Industrial Products Inc. Hospital bed
AU3311284A (en) * 1983-08-17 1985-03-12 Ideo A.B. A chair and/or bed arrangement
AU585608B2 (en) * 1985-05-09 1989-06-22 Hans Oetiker Hospital bed

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU532812B2 (en) * 1979-02-08 1983-10-13 Borg-Warner Industrial Products Inc. Hospital bed
AU3311284A (en) * 1983-08-17 1985-03-12 Ideo A.B. A chair and/or bed arrangement
AU585608B2 (en) * 1985-05-09 1989-06-22 Hans Oetiker Hospital bed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2476401A3 (en) * 2011-01-18 2012-10-24 Stefan Thurmaier Birthing chair

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AU1260288A (en) 1989-11-23

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