EP0581474B1 - Betten - Google Patents

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Publication number
EP0581474B1
EP0581474B1 EP93305441A EP93305441A EP0581474B1 EP 0581474 B1 EP0581474 B1 EP 0581474B1 EP 93305441 A EP93305441 A EP 93305441A EP 93305441 A EP93305441 A EP 93305441A EP 0581474 B1 EP0581474 B1 EP 0581474B1
Authority
EP
European Patent Office
Prior art keywords
bed
usage
control
minutes
period
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93305441A
Other languages
English (en)
French (fr)
Other versions
EP0581474A1 (de
Inventor
Stephen Hayes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huntleigh Technology Ltd
Original Assignee
Huntleigh Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huntleigh Technology Ltd filed Critical Huntleigh Technology Ltd
Publication of EP0581474A1 publication Critical patent/EP0581474A1/de
Application granted granted Critical
Publication of EP0581474B1 publication Critical patent/EP0581474B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/018—Control or drive mechanisms

Definitions

  • This invention relates to hospital beds of the kind described in EP-A- 04 88 552 and GB 2 250 189-A for example.
  • Such beds comprise a plurality of electric actuators, motors or the like connected to a control mechanism so that the bed may be raised and lowered and possibly also tilted either longitudinally or from side to side or both, and/or profiled so as to have an upwardly inclined backrest and possibly also a knee break.
  • the motors may be controlled by a hand control unit having switches or push-buttons.
  • the object of the invention is to solve this problem, avoid the use of continuously rated motors and the like, but avoid the risks referred to.
  • a hospital bed comprises at least one electric motor or the like for adjusting the position of one part of the bed relative to another, said motor having a duty cycle, and a (first) control set for the bed connected in a circuit including cut-out means which are automatically operable and automatically re-set, and is characterised in that the automatic operation occurs after a first predetermined period of continuous usage and the re-setting occurs after a period of non-use, and by the provision of a second control set for the bed connected in a circuit including cut-out means automatically operable after a second predetermined period of continuous usage which is longer than said first predetermined period of continuous usage and likewise is automatically resettable after a period of non-use.
  • the first set may be for use by the patient, and the second set for use by medical staff. If the patient exceeds the available time from that handset, the extra time available from the medical staff handset allows an unsuitable position of the bed to be changed, and also allows for operation for emergency procedures.
  • motors are provided to raise and lower the mattress frame.
  • the mattress is required to be in a high position for ordinary nursing procedures, so as to avoid stooping on the part of the medical staff, and in a low position to enable the patient to get in and out of bed easily.
  • the mattress may be tiltable so as to have the feet lower than the head or vice versa. For some medical procedures lateral tilt is required.
  • two handsets are provided for controlling the motors. They may be identical in the sense of each being capable of controlling any or all of the motors, but it is preferred to provide the patient's handset with a more limited facility perhaps amounting to control of raise and lower and profiling only.
  • the nursing staff handset may have control switches which effectively enable or disable the patient's set controls one by one, as well as providing for control of the movements from the nursing staff set.
  • the enabling and disabling facility may be used so that for example when a patient is in intensive care, or is newly emerged from the operating theatre, the patient's set may be totally disabled, and as recovery takes place the patient may be given control over perhaps profiling initially, and then mattress raising and lowering, and so on.
  • the nursing staff handset allows continuous operation for a time equal to the rated duty cycle of the motors and other equipment, with an alarm or warning lamp lit when a predetermined portion of such time is used up.
  • the nursing set warning may be activated after 6 minutes has been used.
  • the patient set may allow usage for only the same 6 minutes and possibly with a warning after a shorter period, for example 5 minutes.
  • the patient's control set is capable of usage for the full normal rated duty cycle for example the 6 minute period, again with a warning: and the nurse's set allows override for an additional one of the half minutes, for emergency purposes, again with some kind of alarm to show that there is little reserve.
  • Restoration is effected according to the motor rating. If a one hour period of non-use is needful after the full usage capability, then preferably this is apportioned so that each continuous 5 minutes of non usage adds half a minute to the usage capability. Thus with non-use for more than one hour and then 2 minutes' use, 4 minutes is immediately available until there has been a period of 5 minutes of non-use, when 4 1/2 minutes become available, and so on. After the full 6 minutes (or 7 1/2 in the case of the nursing staff set) a 5 minute period of non-usage restores a 1/2 minute availability for use.
  • Each motor may be individually monitored, so that for example excess usage of one motor may disable it, without affecting the other motors which remain enabled.
  • timers and cut-out switches are connected in circuits with a memory and a controlling microprocessor.

Landscapes

  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Invalid Beds And Related Equipment (AREA)

Claims (4)

  1. Krankenhausbett, enthaltend wenigstens einen Elektromotor oder eine ähnliche Vorrichtung zum gegenseitigen Verstellen von Teilen eines Bettes zueinander mit einer bestimmten Einsatzdauer sowie eine - erste - Bedienungseinrichtung für das Bett, die in einem Schaltkreis mit Abschaltmitteln verbunden ist, welche automatisch aktiviert werden können und auch automatisch in den Ausgangszustand zurückversetzt werden,
    wobei das Krankenhausbett dadurch gekennzeichnet ist, daß die Abschaltmittel automatisch nach Ablauf eines bestimmten ersten Zeitraums aktiviert werden, über den hinweg der Motor ständig in Betrieb war, und das Zurücksetzen nach einem Zeitraum erfolgt, über den hinweg der Motor nicht in Betrieb war, und dadurch, daß eine zweite Bedienungseinrichtung für das Bett vorgesehen ist, welche in einem Schaltkreis mit Abschaltmitteln verbunden ist, die nach einem zweiten vorbestimmten Zeitraum automatisch aktiviert werden, über den hinweg der Motor ständig in Betrieb war und der länger ist als der entsprechende erste Zeitraum, und die ebenfalls nach einem Zeitraum automatisch in den Ausgangszustand zurückversetzt werden, über den hinweg der Motor nicht in Betrieb war.
  2. Bett nach Anspruch 1, wobei bestimmte Einstellungen des Bettes sowohl mit Hilfe der ersten als auch der zweiten Bedienungseinrichtung vorgenommen werden können, während mit Hilfe der zweite Bedienungseinrichtung außerdem noch weitere Einstellvorgänge vorgenommen werden können.
  3. Bett nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jeder Zeitabschnitt, in dem der Motor nicht eingesetzt wird, den Zeitabschnitt um einen bestimmten Betrag vergrößert, in dem der Motoren eingesetzt werden kann, und zwar bis hin zu einem maximalen Zeitraum, der der vorbestimmten Einsatzdauer des Motors entspricht.
  4. Bett nach einem der vorangegangenen Ansprüche, wobei die Aktivierung der Abschaltmittel durch die erste Bedienungseinrichtung eine sichtbare Anzeige und/oder ein hörbares Signal an beiden Bedienungseinrichtungen aktiviert.
EP93305441A 1992-07-25 1993-07-12 Betten Expired - Lifetime EP0581474B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9215852 1992-07-25
GB929215852A GB9215852D0 (en) 1992-07-25 1992-07-25 Beds

Publications (2)

Publication Number Publication Date
EP0581474A1 EP0581474A1 (de) 1994-02-02
EP0581474B1 true EP0581474B1 (de) 1997-04-02

Family

ID=10719305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93305441A Expired - Lifetime EP0581474B1 (de) 1992-07-25 1993-07-12 Betten

Country Status (5)

Country Link
EP (1) EP0581474B1 (de)
AT (1) ATE150959T1 (de)
DE (1) DE69309360T2 (de)
DK (1) DK0581474T3 (de)
GB (2) GB9215852D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7461420B2 (en) 2006-01-20 2008-12-09 Willie Kim Articulating bed

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20119899U1 (de) * 2001-12-07 2002-02-28 Dewert Antriebs- Und Systemtechnik Gmbh & Co. Kg, 32278 Kirchlengern Elektromotorischer Möbelantrieb
US7845034B2 (en) 2007-09-21 2010-12-07 Kim Willie W Articulating bed and method of operating the same
DE102010030830A1 (de) 2010-07-01 2012-01-05 Robert Bosch Gmbh Verfahren zum Betreiben einer Temperaturbegrenzungseinrichtung, Temperaturbegrenzungseinrichtung sowie elektrisches Gerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128854A (en) * 1977-10-25 1978-12-05 Honeywell Inc. Compressor minimum off-time system
JPH03118719A (ja) * 1989-09-29 1991-05-21 Seikosha Co Ltd モータの制御方法
US5128597A (en) * 1990-06-14 1992-07-07 Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho Control apparatus for power window regulator
GB2250189B (en) * 1990-11-28 1993-11-24 Nesbit Evans & Co Ltd Beds
DE9114599U1 (de) * 1991-11-23 1992-03-12 Gretsch-Unitas GmbH Baubeschläge, 7257 Ditzingen Vorrichtung zur Vermeidung von Überhitzung von Elektromotoren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7461420B2 (en) 2006-01-20 2008-12-09 Willie Kim Articulating bed

Also Published As

Publication number Publication date
GB2269916A (en) 1994-02-23
GB9314362D0 (en) 1993-08-25
ATE150959T1 (de) 1997-04-15
DE69309360T2 (de) 1997-07-10
GB9215852D0 (en) 1992-09-09
DK0581474T3 (da) 1997-09-29
EP0581474A1 (de) 1994-02-02
GB2269916B (en) 1995-09-27
DE69309360D1 (de) 1997-05-07

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