EP0363555B1 - Bed-operating apparatus - Google Patents

Bed-operating apparatus Download PDF

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Publication number
EP0363555B1
EP0363555B1 EP89105329A EP89105329A EP0363555B1 EP 0363555 B1 EP0363555 B1 EP 0363555B1 EP 89105329 A EP89105329 A EP 89105329A EP 89105329 A EP89105329 A EP 89105329A EP 0363555 B1 EP0363555 B1 EP 0363555B1
Authority
EP
European Patent Office
Prior art keywords
operating apparatus
telephone
bedside
headset
bedside operating
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
EP89105329A
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German (de)
French (fr)
Other versions
EP0363555A3 (en
EP0363555A2 (en
Inventor
Klaus Dipl.-Ing. Franke
Klaus Kubista
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.)
Telenorma GmbH
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Telenorma GmbH
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Filing date
Publication date
Application filed by Telenorma GmbH filed Critical Telenorma GmbH
Priority to AT89105329T priority Critical patent/ATE89995T1/en
Publication of EP0363555A2 publication Critical patent/EP0363555A2/en
Publication of EP0363555A3 publication Critical patent/EP0363555A3/en
Application granted granted Critical
Publication of EP0363555B1 publication Critical patent/EP0363555B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems; Audible personal calling systems
    • G08B3/10Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008Personal calling arrangements or devices, i.e. paging systems

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Harvester Elements (AREA)

Abstract

Known bed operating apparatuses can be held in the hand of a patient and when not being used are plugged into a wall bracket. The new bed operating apparatus is intended to facilitate the operation of the same. The bed operating apparatus (1) is fastened to a pivotable bent arm (11) or to a post, and has a holder (10) for a telephone (9), connected to the bed operating apparatus (1), in the form of a hand set with built-in push button dialling. The bed operating apparatus is particularly suited to communication systems in hospitals and nursing homes since it can be taken hold of at any time via the pivotable bent arm and, by virtue of the connected telephone, permits the use of a wide variety of services. <IMAGE>

Description

Die Erfindung betrifft ein Bett-Bediengerät für Ruf- und Sprechanlagen in Krankenhäusern und Pflegeheimen, mit einer an einer Schwesternrufanlage angeschlossenen Ruftaste und einer Einrichtung zur Lautstärkeeinstellung eines elektroakustischen Wandlers, wobei ein Tonleitungswahlschalter vorgesehen ist, durch welchen eine Vielzahl von Tonleitungen mit einem an dem Bett-Bediengerät angeschlossenen Kopfhörer verbindbar sind.The invention relates to a bed control unit for call and intercom systems in hospitals and nursing homes, with a call button connected to a nurse call system and a device for adjusting the volume of an electroacoustic transducer, wherein a tone line selector switch is provided, through which a plurality of tone lines with one on the bed Control device connected headphones are connectable.

Es ist bereits bekannt, in Ruf- und Sprechanlagen für Krankenhäuser und Pflegeheime ein bewegliches Bett-Bediengerät einzusetzen, welches vom Patienten in die Hand genommen werden kann (s. DE 82 30 430 U1, Zettler-Mitteilungen, Heft 56, Dezember 1985, Seite 21). Die Bett-Bediengeräte nach dem Stand der Technik können bei Nichtgebrauch in einer an einem Nachtkästchen oder an einer Wand befestigten Aufnahmeeinrichtung eingehängt werden (s. auch DE-PS 32 40 145).It is already known to use a mobile bed operating device in call and intercom systems for hospitals and nursing homes, which can be picked up by the patient (see DE 82 30 430 U1, Zettler-Mitteilungen, Issue 56, December 1985, page 21). The bed control devices according to the prior art can be hung when not in use in a receiving device attached to a bedside table or on a wall (see also DE-PS 32 40 145).

Nach der Vorschrift DIN 41050, Teil 1, Seite 3, Abs. 6.3, sind für derartige Ruf- und Sprechanlagen Bett-Bediengeräte mit einer Ruftaste, Beruhigungslampe, Tasten zur Einschaltung der Raumbeleuchtung über Fernschalter und elektroakustische Wandler für den Sprechverkehr mit der Schwester vorzusehen. Darüber hinaus gibt es auch Bett-Bediengeräte, welche ein Wechsel- oder Gegensprechen ermöglichen. Weiterhin kann an dem Bett-Bediengerät auch ein Kopfhörer angeschlossen werden, um mehrere Programme durch Auswahl über einen Programmwahlschalter empfangen zu können.According to the regulation DIN 41050, part 1, page 3, paragraph 6.3, bed control units with a call button, reassurance lamp, buttons for switching on the room lighting via remote switches and electro-acoustic transducers for voice communication with the sister are to be provided for such call and intercom systems. In addition, there are also bed control units that enable two-way or two-way communication. Furthermore, headphones can also be connected to the bed control unit in order to be able to receive several programs by selection via a program selector switch.

Die Aufgabe der Erfindung besteht darin, die Handhabbarkeit des bekannten Bett-Bediengeräts zu verbessern und dieses mit neuen Leitungsmerkmalen zu versehen.The object of the invention is to improve the manageability of the known bed control device and to provide it with new line features.

Diese Aufgabe wird dadurch gelöst, daß das Bett-Bediengerät an einem, an einem Tisch befestigten, schwenkbaren starren Bügel angebracht ist und daß eine Halterung für einen an dem Bett-Bediengerät angeschlossenen Fernsprechapparat in Form eines Handapparates mit eingebauter Wähltastatur vorgesehen ist, wobei der Fernsprechapparat eine zusätzliche Ruftaste aufweist, welche der Ruftaste der Schwesternrufanlage parallel geschaltet ist.This object is achieved in that the bed control unit is attached to a pivotable rigid bracket attached to a table and in that a holder for a telephone set connected to the bed control unit is provided in the form of a handset with a built-in keypad, the telephone set has an additional call button which is connected in parallel to the call button of the nurse call system.

Durch den schwenkbaren Bügel kann das Bett-Bediengerät leicht vom Patienten in eine bedienungsgerechte Lage gebracht werden. Die Bereitstellung eines Fernsprechapparates erhöht den Bedienungskomfort, da der Fernsprechapparat nicht nur für herkömmliche Fernsprechverbindungen sondern auch für weitere Funktionen herangezogen werden kann, so zum Beispiel für den Schwesternruf, wobei eine zusätzliche Ruftaste am Fernsprechapparate angebracht ist und auch über den Fernsprechapparat ein Schwesternruf und damit eine Sprechverbindung mit der Schwester herstellbar ist.Thanks to the swiveling bracket, the bed control unit can easily be brought into a user-friendly position by the patient. The provision of a telephone set increases the ease of use, since the telephone set can be used not only for conventional telephone connections but also for other functions, for example for the nurse call, an additional call button being attached to the telephone set and also a nurse call and thus one via the telephone set Speech connection with the sister can be established.

In der DE-AS 1 441 403 wird ein elektrisches Schalt- und Signalgerät für Krankenbetten beschrieben, welches über ein flexibles Rohr mit einer Tischplatte, beispielsweise eines Nachttisches verbunden ist. Das bekannte elektrische Schalt- und Signalgerät weist elektrische Schalt- und Signaleinrichtungen für Sprechvorrichtung und Rufknopf auf, ein Fernsprechapparat ist bei diesem bekannten Gerät nicht vorhanden.DE-AS 1 441 403 describes an electrical switching and signaling device for hospital beds, which is connected to a table top, for example a bedside table, via a flexible tube. The known electrical switching and signaling device has electrical switching and signaling devices for speech device and call button, a telephone is not available in this known device.

In der Zeitschrift Bell Laboratories Record, 44, (1966, 07/08) wird auf den Seiten 229 bis 231 ein Krankenhauskommunikationssystem beschrieben, bei welchem ebenfalls ein Fernsprechapparat in Form eines Handapparates mit eingebauter Wähltastatur vorgesehen ist. Dabei liegt der Handapparat auf einem Unterteil auf, welches eine Lauthör- und Freisprecheinrichtung und eine Schwesternruftaste enthält. Die ganze Einrichtung ist als Tischgerät aufgebaut. Eine zusätzliche Schwesternruftaste im Handapparat ist nicht vorgesehen.Pages 229 to 231 of the Bell Laboratories Record, 44, (1966, 07/08) describe a hospital communication system in which a telephone set in the form of a handset with a built-in dialing keypad is also provided. The handset rests on a lower part, which has a speakerphone and hands-free system and a nurse call button contains. The entire facility is set up as a tabletop device. An additional nurse call button in the handset is not provided.

Weitere Vorteile ergeben sich aus den Unteransprüchen.Further advantages result from the subclaims.

Die Erfindung wird anhand eines Ausführungsbeispiels näher erläutert, welches in der Zeichnung dargestellt ist. Es zeigt:

Fig. 1
die perspektivische Ansicht des Bett-Bediengeräts,
Fig. 2
die Befestigung des Bett- Bediengeräts und
Fig. 3
die Schaltungsanordnung des Bett-Bediengeräts.
The invention is explained in more detail using an exemplary embodiment which is illustrated in the drawing. It shows:
Fig. 1
the perspective view of the bed control unit,
Fig. 2
the attachment of the bed control unit and
Fig. 3
the circuit arrangement of the bed control unit.

Das Bett-Bediengerät 1 weist eine Halterung 10 für den mit einer Wahltastatur 18 versehenen Fernsprechapparat 9 auf, welcher als Handapparat ausgebildet ist und über die Anschlußschnur 16 mit dem Bett-Bediengerät 1 verbunden ist. Weiterhin ist an dem Bett-Bediengerät 1 ein nicht gezeigter Kopfhörer über das Kabel 15 angeschlossen, welcher am Gehäuse des Bett-Bediengeräts 1 angebrachten Haken 8 einhängbar ist. (Fig. 1)The bed control unit 1 has a holder 10 for the telephone set 9 provided with a selection keypad 18, which is designed as a handset and is connected to the bed control unit 1 via the connecting cord 16. Furthermore, headphones (not shown) are connected to the bed control unit 1 via the cable 15, which can be hooked onto the hook 8 attached to the housing of the bed control unit 1. (Fig. 1)

Das Bett-Bediengerät 1 enthält außerdem eine Ruftaste 2 für Notruf, eine Beruhigungslampe 3 zur Kennzeichnung, daß der Notruf quittiert wurde, eine Taste 4 zum Einschalten einer Lichtquelle, ein Orientierungslicht 5, welches das Auffinden des Bett-Bediengeräts 1 im Dunkeln ermöglicht, einen Tonleitungswahlschalter 6 und einen Lautstärkeregler 7. Am Unterteil des Bett-Bediengeräts 1 ist die Befestigung 13 angebracht, außerdem ist an der Unterseite das Anschlußkabel 17 angeschlossen.The bed control unit 1 also contains a call button 2 for emergency calls, a reassurance lamp 3 to indicate that the emergency call has been acknowledged, a button 4 for switching on a light source, an orientation light 5, which enables the bed control device 1 to be found in the dark, one Sound line selector switch 6 and a volume control 7. The attachment 13 is attached to the lower part of the bed control unit 1, and the connecting cable 17 is also connected to the underside.

In Fig. 2 wird ein Ausführungsbeispiel der Halterung des Bett-Bediengeräts 1 gezeigt. Dieses ist am Ende eines schwenkbaren Bügels 11 befestigt, welcher beispielsweise mit einem Tisch 12 oder auch mit der Wand des Raumes befestigt ist.In Fig. 2 an embodiment of the bracket of the bed control device 1 is shown. This is attached to the end of a pivotable bracket 11 which is attached, for example, to a table 12 or to the wall of the room.

Eine andere Möglichkeit besteht darin, daß Bett-Bediengerät 1 am Ende eines auf dem Fußboden stehenden nicht gezeigten Ständers anzubringen.Another possibility is to mount the bed control unit 1 at the end of a stand (not shown) standing on the floor.

Das Blockschaltbild gemäß Fig. 3 zeigt das Schaltbild des Bett-Bediengeräts B, welches mit dem Bett-Bediengerät 1 gemäß Fig. 1 oder 2 identisch ist. Über das gemeinsame Anschlußkabel AK und einen gemeinsamen Stecker ist das Bett-Bediengerät B mit einer Vielzahl von Einrichtungen verbunden.The block diagram according to FIG. 3 shows the circuit diagram of the bed control device B, which is identical to the bed control device 1 according to FIG. 1 or 2. The bed control unit B is connected to a large number of devices via the common connecting cable AK and a common plug.

Zur Übertragung von Rundfunk- und Musikprogrammen sind die Tonleitungen TL1 bis TLn vorgesehen, welche über die Anschlußpunkte K11 bis K32 mit dem Tonleitungswahlschalter TW verbunden sind. Zur Einstellung der Lautstärke dient der Lautstärkeregler LR. Am Tonleitungswahlschalter TW und über den Lautstärkeregler LR ist der Kopfhörer KH über die Anschlußpunkte K1 und K2 angschlossen. Der Tonleitungswahlschalter TW weist noch eine weitere Position auf, über welche der Ton eines im Patientenzimmer aufgestellten Fernsehgeräts empfangen werden kann. Zu diesem Zweck sind die Anschlußpunkte K41 und K42 mit einer raumindividuellen Fernsteuereinrichtung ST verbunden, welche bett-bediengeräte-individuelle Schaltmittel S aufweist. Diese verbinden den Kopfhörerausgang KA des Fernsehgeräts FS mit einem der Ausgänge B1 bis B3, und zwar auf Veranlassung einer zentralen Erfassungs- und Verarbeitungseinrichtung EST, welche über eine Datenleitung DL mit einer Vielzahl von Fernsteuereinrichtungen ST verbunden ist. Der Patient ist in der Lage, über den durchgeschleiften Leitungen der Anschlußpunkte a, b und E mit einer Fernsprechvermittlungsanlage FV verbundenen Fernsprechapparat FA, und zwar nach Herstellung einer Verbindung von demselben zu der an der Fernsprechvermittlungsanlage VF angeschlossenen zentralen Erfassungs- und Verarbeitungseinrichtung EST dieselbe zur Aussendung entsprechender Steuerbefehle zu veranlassen, welche die Ein- und Ausschaltung des Fernsehgeräts FS, die Kanalauswahl und die Durchschaltung des Fernsehtons in der bereits beschriebenen Weise veranlassen.For the transmission of radio and music programs, the audio lines TL1 to TLn are provided, which are connected to the audio line selection switch TW via the connection points K11 to K32. For setting the volume is controlled by the volume control LR. The headphone KH is connected to the sound line selector switch TW and the volume control LR via the connection points K1 and K2. The sound line selector switch TW has yet another position via which the sound of a television set up in the patient's room can be received. For this purpose, the connection points K41 and K42 are connected to a room-specific remote control device ST which has switching means S which are individual for the bed operating device. These connect the headphone output KA of the television set FS to one of the outputs B1 to B3, specifically at the instigation of a central recording and processing device EST, which is connected to a plurality of remote control devices ST via a data line DL. The patient is able, via the looped-through lines of the connection points a, b and E, to a telephone switching system FV connected to the telephone set FA, after establishing a connection from the same to the central recording and processing device EST connected to the telephone switching system VF, for transmission to initiate corresponding control commands which cause the switching on and off of the television set FS, the channel selection and the switching on of the television sound in the manner already described.

Das Bett-Bediengerät B weist weiterhin eine Lichttaste LT auf, welche über die Anschlußpunkte LT1 und LT2 mit einem Schaltmittel S verbunden ist, welches die Steuerung des Ein- und Ausschaltens einer Lichtquelle im Patientenzimmer mit Hilfe einer niedrigen Spannung ermöglicht. Das Schaltmittel S arbeitet in Verbindung mit einem Netzgerät N, welches am Lichtnetz NL angeschlossen ist und die niedrige Spannung für die Lichttaste LT und für eine Orientierungslampe OL erzeugt, die auch als Leuchtdiode ausgebildet sein kann und evtl. abhängig von der Tageszeit bzw. in Abhängigkeit von dem Schaltzustand der Lichtquelle L nur bei Dunkelheit leuchtet und dem Patienten das Auffinden des Bett-Bediengeräts B erleichtert.The bed control unit B also has a light button LT, which is connected via the connection points LT1 and LT2 to a switching means S which enables the control of the switching on and off of a light source in the patient's room with the aid of a low voltage. The switching means S works in conjunction with a power supply unit N, which is connected to the light network NL and generates the low voltage for the light button LT and for an orientation lamp OL, which can also be designed as a light-emitting diode and possibly depending on the time of day or depending of the switching state of the light source L only lights up in the dark and makes it easier for the patient to find the bed control unit B.

Für den Schwesternruf ist im Bett-Bediengerät B eine Ruftaste RT1 vorgesehen, welche über die Anschlußpunkte RT1 bis RT3 mit einer Schwesternrufanlage SR verbunden ist. Parallel zur Ruftaste RT1 ist im Fernsprechapparat FA eine weitere Ruftaste RT2 vorgesehen, welche der Ruftaste RT1 parallel geschaltet und die Rufaussendung auch über den Fernsprechapparat FA ermöglicht. Als Quittungssignal, welches den Patienten darauf hinweist, daß sein Ruf zur Kenntnis genommen worden ist, dient eine Beruhigungslampe BL, welche ebenfalls als Leuchtdiode ausgebildet sein kann.For the nurse call, a call button RT1 is provided in the bed control unit B, which is connected to a nurse call system SR via the connection points RT1 to RT3. In parallel to the call button RT1, a further call button RT2 is provided in the telephone set FA, which connects the call key RT1 in parallel and also enables the call to be sent via the telephone set FA. A reassurance lamp BL, which can also be designed as a light-emitting diode, serves as the acknowledgment signal, which indicates to the patient that his call has been acknowledged.

Claims (4)

  1. Bedside operating apparatus for paging and speaking installations in hospitals and nursing homes, with a call button (2, RT1) connected to a nurse paging installation and with a device for bound volume setting (7) of an electroacoustical transducer, wherein a sound channel selector switch (6) is provided, by which a plurality of sound channels are connectible with a headset connected to the bedside operating apparatus, characterised thereby that the bedside operating apparatus (1, B) is mounted on a pivotable, rigid bracket (11) fastened to a table and that a holder is provided for a telephone (9, FA) which is connected to the bedside operating apparatus (1, B) and in the form of a handset with built-in dialling keyboard (18), wherein the telephone (9, FA) has an additional call button (19, RT2) which is connected in parallel with the call button (2, RT1) of the nurse paging installation.
  2. Bedside operating apparatus according to claim 1, characterised thereby that a hook (8) for hanging up the headset (KH) is mounted on the housing of the apparatus.
  3. Bedside operating apparatus according to claim 1 or 2, characterised thereby that the headset (KH) is connectible by way of the sound channel selector switch (6, TW) with a remote control device (ST), which connects the headset outlet of a television set (FS) disposed in the room of the bedside operating apparatus with the respective bedside operating apparatus (1, B) on the basis of control commands, which can be triggered in the remote control device (ST) by way of the dialling keyboard (10) within the framework of a telephone connection.
  4. Bedside operating apparatus according to one of claims 1 to 4, characterised thereby that all leads apart from the connections of the telephone (9, FA) and the headset (KH) are led by way of a common connection cable (AK).
EP89105329A 1988-07-30 1989-03-25 Bed-operating apparatus Expired - Lifetime EP0363555B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89105329T ATE89995T1 (en) 1988-07-30 1989-03-25 BED CONTROL UNIT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3826083A DE3826083A1 (en) 1988-07-30 1988-07-30 BED CONTROL UNIT
DE3826083 1988-07-30

Publications (3)

Publication Number Publication Date
EP0363555A2 EP0363555A2 (en) 1990-04-18
EP0363555A3 EP0363555A3 (en) 1990-06-20
EP0363555B1 true EP0363555B1 (en) 1993-06-02

Family

ID=6360005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89105329A Expired - Lifetime EP0363555B1 (en) 1988-07-30 1989-03-25 Bed-operating apparatus

Country Status (3)

Country Link
EP (1) EP0363555B1 (en)
AT (1) ATE89995T1 (en)
DE (2) DE3826083A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560798B2 (en) 1992-11-30 2003-05-13 Hill-Rom Services, Inc. Hospital bed communication and control device
US11712385B2 (en) 2014-07-14 2023-08-01 Hill-Rom Services, Inc. Patient bed having head-of-bed lockout and stay-in-bed indicator

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4108160C1 (en) * 1991-03-14 1992-10-08 Albert Ackermann Gmbh & Co Kg, 5270 Gummersbach, De
EP0542048A1 (en) * 1991-11-13 1993-05-19 Robert Bosch Gmbh Bed operating apparatus with supplementary functions
DE4243504A1 (en) * 1992-12-22 1994-06-23 Skt Schmelter Gmbh & Co Kg Controlling communications terminal units within hospital or hotel
DE9309118U1 (en) * 1993-06-18 1993-11-04 Thiede Gerhard Dipl Architekt Bedside table with two table tops
AT98U1 (en) * 1993-06-18 1995-02-27 Thiede Gerhard Thiede Gerhard NIGHT TABLE
DE9405518U1 (en) * 1994-03-31 1995-05-04 Siemens Ag Multimedia communication device
US5835127A (en) * 1996-04-25 1998-11-10 Sony Corporation Integrated electronic system utilizing a universal interface to support telephony and other communication services
WO1999052487A1 (en) 1998-04-14 1999-10-21 Hill-Rom, Inc. Communication and bed function control apparatus
ES2202121T3 (en) * 1999-05-21 2004-04-01 ALBERT ACKERMANN GMBH &amp; CO. KG BED CONTROL UNIT FOR THE SANITARY FIELD.
DE10141574A1 (en) * 2001-08-24 2003-03-13 Barbara Doering Drinking system for a patient confined to bed has the liquid holder at the bedside, with a suction tube through a plastics hemisphere with a phosphorescent symbol for easy location of the tube by day and night

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US3112968A (en) * 1961-06-01 1963-12-03 Beryl W Cotton Nurse call and utility unit
DE1441403B1 (en) * 1963-01-04 1970-06-04 Bohne Dipl Ing Alfred Electrical switching and signaling device for hospital beds
DE1905098A1 (en) * 1969-02-01 1970-08-13 Bayer Ag Prodn of polyamides
US3757363A (en) * 1970-09-10 1973-09-11 J Langlais Patient communicator support
DE8230430U1 (en) * 1982-10-29 1988-02-11 Alois Zettler Elektrotechnische Fabrik Gmbh, 8000 Muenchen, De
DE3240145A1 (en) * 1982-10-29 1984-05-03 Alois Zettler Elektrotechnische Fabrik GmbH, 8000 München Bedside control unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560798B2 (en) 1992-11-30 2003-05-13 Hill-Rom Services, Inc. Hospital bed communication and control device
US6761344B2 (en) 1992-11-30 2004-07-13 Hill-Rom Services, Inc. Hospital bed communication and control device
US11712385B2 (en) 2014-07-14 2023-08-01 Hill-Rom Services, Inc. Patient bed having head-of-bed lockout and stay-in-bed indicator

Also Published As

Publication number Publication date
EP0363555A3 (en) 1990-06-20
DE3826083A1 (en) 1990-02-01
ATE89995T1 (en) 1993-06-15
EP0363555A2 (en) 1990-04-18
DE3826083C2 (en) 1990-07-26
DE58904562D1 (en) 1993-07-08

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