EP0552502A2 - Commande pour dispositif élévateur de lit de soins - Google Patents

Commande pour dispositif élévateur de lit de soins Download PDF

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Publication number
EP0552502A2
EP0552502A2 EP92122130A EP92122130A EP0552502A2 EP 0552502 A2 EP0552502 A2 EP 0552502A2 EP 92122130 A EP92122130 A EP 92122130A EP 92122130 A EP92122130 A EP 92122130A EP 0552502 A2 EP0552502 A2 EP 0552502A2
Authority
EP
European Patent Office
Prior art keywords
foot
head
contact
motor
bottom end
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.)
Granted
Application number
EP92122130A
Other languages
German (de)
English (en)
Other versions
EP0552502B1 (fr
EP0552502A3 (en
Inventor
Helmut Kötter
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.)
Wissner Bosserhoff GmbH
Original Assignee
Wissner Bosserhoff GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6448245&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0552502(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wissner Bosserhoff GmbH filed Critical Wissner Bosserhoff GmbH
Publication of EP0552502A2 publication Critical patent/EP0552502A2/fr
Publication of EP0552502A3 publication Critical patent/EP0552502A3/de
Application granted granted Critical
Publication of EP0552502B1 publication Critical patent/EP0552502B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

  • the invention relates to a control device for actuating lifting devices for lifting a mattress frame at the head and / or foot end, wherein a head motor is directed from a DC voltage source via contacts of a head-side stroke switch and is directed to lower via contacts of a head-side depress switch, and wherein the foot-side motor is operated is directed upwards via contacts of a foot-side lifting button and is directed downwards via contacts of a foot-side lowering button, the two motors having a common return conductor connection.
  • a care bed which has a lifting device on the head and foot side, which enables lifting and lowering of the head side and the like of the foot side via individual control buttons.
  • the bed frame can be raised on both sides or relatively lowered on one side for easy care and treatment of the patient, so that the circulation of the patient is stimulated or relieved depending on the particular indication.
  • rollable supports are arranged on the bed frame so that the bed frame can be moved on its rollers in an extreme position of the lifting device. Somewhat lifted out of this extreme position, however, the bed stands non-slip on the lifting devices. Free controllability in the special positions entails the risk of that when the bed is in the roll position, it can roll away as soon as a patient gets up from it or lies down, which means that the patient is at risk of falling. Furthermore, especially the head low is often contraindicated. It is therefore inadmissible to leave confused persons to control the situation themselves, because they cannot assess or recognize dangerous situations and do not take any tax measures to avoid or reverse them. On the other hand, it is desirable that a person lying down can choose to spend himself in a comfortable head-up position or in a high bed position or in a low stand-up position, so that he does not have to order a caregiver for this.
  • a head bottom end contact and a foot bottom end contact are each arranged in series in the supply line of the head motor, these bottom end contacts are each actuated before a rolling position of the bed frame, and that between the leads of the two motors are switched on the key side to bridge a normally closed contact of a key switch and on the motor side these leads are decoupled from one another and lead to an operating contact of the key switch which bridges the two end contacts.
  • the key switch advantageously has the further function of separating a parallel control of the lifting and lowering provided for safety reasons, so that the carer can make any inclination adjustment. is.
  • the set inclination is retained until the limit switches limit the raising or lowering of the raised or lowered end, so that the horizontal position is restored when both ends of the bed and thus the lifting devices are in the full end position.
  • the lying bed (1) shown on the head side has a frame (RG), which is provided on the head and foot sides with a lifting device, next to which wheel supports are arranged on both sides.
  • a frame which is provided on the head and foot sides with a lifting device, next to which wheel supports are arranged on both sides.
  • KH head-side lifting device
  • RK head-side rolling supports
  • the lifting device (KH) is in a lower position, in which the rollers (5) of the roller supports (RK) are still above the floor, which means that the bed has a firm footing.
  • the lifting device (HK) is operated by the head-side motor (MK) with a gear via a lifting spindle depending on the current direction in the motor raising or lowering.
  • MK head-side motor
  • the support frame (3) is raised so far that the bed can be rolled on the rollers (5).
  • the bed frame (BR) together with the roller supports (RK) is raised far so that a patient can be cared for easily.
  • the various adjustment positions are reported to the control device (ST) by means of cam-controlled switches.
  • the cam (N) is shown arranged on a holding arm of the lifting frame and the cam switches on one of the roller supports (RK) are shown in the corresponding heights. Other locations can also be expertly selected, for example along the drive's spindle cylinder.
  • KU the lower position of the bed frame (BR) before a rolling position (KR)
  • EUK end contact
  • the cam position contact (ERK) is also controlled open by the cam (N).
  • the cam (N) controls the upper end contact (EOK) open.
  • the control cam lines are led into the control device (ST), from which lines to the head-side drive motor (MK) and to a power supply unit (NT), which includes a transformer and a rectifier contains, led.
  • NT power supply unit
  • a similar arrangement as the head-side is located at the foot end of the bed frame, and from there, from the foot-side lifting device (FH), which is only shown schematically, corresponding lines go from a foot-side roll position limit switch (ERF), a foot-side down position limit switch (EUF) and a foot-side up position limit switch (EOF) to the control device, which in turn controls the foot-side lifting motor (MF).
  • FH foot-side lifting device
  • a keypad with 4 control buttons, one of which is the head-side lift button (THK), one the head-side lower button (TSK), one the foot-side lift button (THF) and one the foot-side lower button (TSF).
  • a key switch SS is arranged there, which can only be actuated with this key inserted and is intended for making special settings, namely the rollable position of the bed and the lowering of the head side.
  • Figure 2 shows the circuit which has proven to be particularly advantageous and simple, but this can also be modified in a circuit-technically equivalent manner in which the provided decoupling diodes are replaced by changeover contacts and / or the changeover contacts by logic gate arrangements in a known manner.
  • the control device is supplied with power via the transformer (TR) with a rectifier (GL) connected downstream.
  • the head-side lifting button (THK) consists of a double-pole switch, whose Working contacts are made via the normally closed contacts of the head-side depression button (TSK) to the head-side motor (MK).
  • TSK head-side depression button
  • MK head-side motor
  • the normally closed contacts of the head-side lifting button are led to a pair of changeover switches of the foot-side lifting button, the working contacts of which are led to the foot-side motor (MF) via normally closed contacts of the foot-side lowering button (TFS).
  • MF foot-side motor
  • TFS normally closed contacts of the foot-side lowering button
  • the head side sink contact pair is supplied from the work side with the other power supply polarity at its work contacts, so that the reverse direction of rotation of the head side motor (MK) is controlled when the button is pressed.
  • the working contacts of the head-side depress button are accordingly supplied via normally closed contacts of the head-side button and also via contacts of the foot-side button, so that in turn a short-circuit locking is ensured.
  • the lower side switch on the working contact side is supplied via the chaining of the normally closed contacts of the stroke switches (THK, THF) with a correspondingly reversed polarity, and its switching contacts are switched through to the lower side motor (MF).
  • the lower end contact (EUK) In the lower end position, the lower end contact (EUK) is open, with the bed still standing firmly. If the key switch (SS) is actuated, the lower end contact (EUK) is bridged with its working contact (SA) via a diode (D5), so that a further lowering is possible when the depression key (TSK) is pressed into the rolling position until the roll position end contact (ERK) opens.
  • SA working contact
  • D5 diode
  • a corresponding arrangement of the foot-side end contacts (EUF, ERF, EOF) and the associated diodes (D3, D4, D6) are placed in the feed line of the foot-side motor (MF), so that the entire arrangement works completely symmetrically.
  • the Diodes (D5, D6) are used for the final coupling of the two motor leads when the key switch (SS) is actuated.
  • the function of these two diodes can also be replaced by a pair of contacts on the key switch (SS).
  • control and safety functions of the circuit arrangement can also be transferred to a directional control that works with AC motors or to an electrically controlled hydraulic lifting device.

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)
  • Invalid Beds And Related Equipment (AREA)
EP92122130A 1991-12-30 1992-12-30 Commande pour dispositif élévateur de lit de soins Expired - Lifetime EP0552502B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4143182A DE4143182C2 (de) 1991-12-30 1991-12-30 Steuervorrichtung für eine Pflegebetthubvorrichtung
DE4143182 1991-12-30

Publications (3)

Publication Number Publication Date
EP0552502A2 true EP0552502A2 (fr) 1993-07-28
EP0552502A3 EP0552502A3 (en) 1995-02-15
EP0552502B1 EP0552502B1 (fr) 1997-07-30

Family

ID=6448245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92122130A Expired - Lifetime EP0552502B1 (fr) 1991-12-30 1992-12-30 Commande pour dispositif élévateur de lit de soins

Country Status (3)

Country Link
EP (1) EP0552502B1 (fr)
AT (1) ATE156001T1 (fr)
DE (1) DE4143182C2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4406784C1 (de) * 1994-03-02 1995-08-24 Wissner Gmbh Kranken- oder Pflegebett
DE20306066U1 (de) 2003-04-16 2003-07-24 Dewert Antriebs- Und Systemtechnik Gmbh & Co. Kg, 32278 Kirchlengern Elektromotorischer Möbelantrieb
DE112008001447A5 (de) * 2007-06-28 2010-08-05 Linrot Holding Ag Elektromotorischer Möbelantrieb
EP3081202A1 (fr) * 2015-04-13 2016-10-19 Völker GmbH Procédé pour commander l'apport d'énergie à des actionneurs d'une surface de couchage, meuble de ce type et commande pour commander l'apport d'énergie à des actionneurs de tel meuble

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174161A (en) * 1961-05-08 1965-03-23 American Seating Co Hospital bed
US3697846A (en) * 1971-02-11 1972-10-10 American Hospital Supply Corp Control system for hospital bed
US3742527A (en) * 1972-03-01 1973-07-03 Unlimited Dev Inc Hospital bed
US4425673A (en) * 1980-12-01 1984-01-17 B-W Health Products, Inc. Lifting system for adjustable hospital bed
US4953243A (en) * 1989-08-09 1990-09-04 Amedco Health Care, Inc. Electronic control with emergency CPR feature for adjustable bed
DE9104892U1 (de) * 1991-04-22 1991-07-25 Kötter, Helmut, 4901 Hiddenhausen Kranken- oder Pflegebett

Also Published As

Publication number Publication date
ATE156001T1 (de) 1997-08-15
DE4143182A1 (de) 1993-07-01
EP0552502B1 (fr) 1997-07-30
EP0552502A3 (en) 1995-02-15
DE4143182C2 (de) 1997-03-27

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