EP0222375B1 - Dispositif de relèvement applicable à des lits d'hôpital - Google Patents

Dispositif de relèvement applicable à des lits d'hôpital Download PDF

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Publication number
EP0222375B1
EP0222375B1 EP86115666A EP86115666A EP0222375B1 EP 0222375 B1 EP0222375 B1 EP 0222375B1 EP 86115666 A EP86115666 A EP 86115666A EP 86115666 A EP86115666 A EP 86115666A EP 0222375 B1 EP0222375 B1 EP 0222375B1
Authority
EP
European Patent Office
Prior art keywords
tube
bearing
raising device
coupling
brake clutch
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
Application number
EP86115666A
Other languages
German (de)
English (en)
Other versions
EP0222375A3 (en
EP0222375A2 (fr
Inventor
Walter Dipl.-Ing. Späth
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.)
Spaeth & Co KG Stahlbau-Biegetechnik GmbH
Original Assignee
Spath & Co KG Stahlbau-Biegetechnik GmbH
Spath & Co KG Stahlbau-Biegetechnik 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
Application filed by Spath & Co KG Stahlbau-Biegetechnik GmbH, Spath & Co KG Stahlbau-Biegetechnik GmbH filed Critical Spath & Co KG Stahlbau-Biegetechnik GmbH
Priority to AT86115666T priority Critical patent/ATE43239T1/de
Publication of EP0222375A2 publication Critical patent/EP0222375A2/fr
Publication of EP0222375A3 publication Critical patent/EP0222375A3/de
Application granted granted Critical
Publication of EP0222375B1 publication Critical patent/EP0222375B1/fr
Expired 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
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/053—Aids for getting into, or out of, bed, e.g. steps, chairs, cane-like supports
    • A61G7/0533—Lifting poles

Definitions

  • the invention relates to an erection device for attachment to hospital beds according to the preamble of claim 1.
  • Such an erection device has become known, for example, with the subject of DE-A 3 327 320.
  • Raising devices of this type are used in particular for freshly operated or handicapped patients, the patient lying in bed gripping the triangular handle with his hands and pulling up on it.
  • the tube is pivotally mounted in the holder so that the patient can swing over the rotation of the tube in the holder to the edge of the bed by stopping at the handle.
  • the coupling which secures against rotation, is intended to ensure that the pivotable tube is fixed in the holder in any pivot position. This prevents the pipe from swinging out too far and, for example, from damaging objects standing next to the bed.
  • the clutch consists of a dog clutch, which can be engaged against the spring force of a compression spring.
  • a disadvantage of this arrangement is that it is not possible to lock this coupling in any intermediate positions, because only a certain angle of rotation can be locked by the tooth division of the intermeshing claw coupling.
  • the invention has for its object to develop an erecting device of the type mentioned in such a way that it can be locked in any rotational position while avoiding early wear of the coupling.
  • the feature of the invention is therefore that the tube is connected in a rotationally fixed manner to an axial extension designed as a cone and can be axially engaged with this cone in an associated conical recess of a radially expandable brake shoe.
  • the brake shoe consists of several segment-shaped parts which are separated from one another by radial slots, with an all-encompassing tension spring being arranged in an annular groove on the outer circumference of the brake shoe.
  • segment-shaped parts then come to rest with their outer circumference on the inside of a lower bearing pot, which is provided on the inside with a corrugation running in the axial direction, which acts as a friction-increasing surface for the outer surfaces of the brake shoes pressed against it.
  • the coupling part connected to the tube in a rotationally fixed manner consists of a metal part and the associated brake shoes consist of a polyamide plastic.
  • a great freedom from wear is guaranteed, and endurance tests have shown that the material mentioned is characterized by a particularly long service life.
  • the hospital bed 25 shown in FIG. 1 consists, in a known manner, of a reclining frame 28, at the front and rear end of which a foot frame 26 and a head frame 27 are arranged.
  • a cross member 32 is attached to the head frame 27, on which an upper suspension device 33 for a holder 34 is provided.
  • a guide plate 31 is provided in the lower part of the head frame 27, in which the hal tion 34 engages with a lower, axial casing tube 6 (see FIG. 2).
  • An oval tube 30 is mounted in the holder 34 in the arrow directions 47 so that it can be rotated and fixed, on the horizontal part 45 of which a triangular handle 46 is arranged.
  • the entire lifting device 29 thus consists of the handle 46, the oval tube 30 and the associated holder 34.
  • the holder 34 is easily detachably connected to the head frame 27 of the hospital bed 25 by arranging an anti-rotation device 8 on the upper side of the holder 34, which consists of an encircling ring on which bolts 23 which are directed inwards and below one another are arranged. These bolts are hooked into the suspension device 33, the casing tube 6 simultaneously engaging through an associated recess in the lower support plate 31.
  • the holder 34 is arranged in an easily detachable manner on the head frame 27, and there is no need to retrofit existing hospital beds 25, since the holders 33, 31 already described are already present on conventional hospital beds.
  • a retaining bracket 7 extends downward from the anti-rotation device 8 and is welded to the outside of the upper bearing pot 1; this supports the entire arrangement and protects against twisting.
  • a spacer tube 2 which is connected at its opposite end to the lower bearing pot 4.
  • the lower bearing pot 4 is closed by a lid 3 and it continues downward into an axial bearing shaft seat 5, which finally opens into a casing 6, which is releasably inserted in the guide plate 31 on the head frame 27 of the hospital bed 25 in the manner described previously .
  • FIG. 3 shows that the oval tube 30 is inserted in a form-fitting manner in an assigned rectangular recess, the outer circumference of the oval tube nestling into the diagonally opposite, rounded recesses in the upper bearing pot 1.
  • the upper bearing pot consists of an upper protective cover 9 which is placed on the cup-shaped lower part of this bearing pot 1.
  • an outer bearing ring 10 is provided which carries on its inside a ball bushing 11 with balls arranged therein which roll on an inner bearing ring 14 on its inside.
  • the inner bearing ring 14 is in turn received by an inner oval chuck 13, and the entire arrangement is supported on a plastic ring 12 at the bottom of the cup-shaped lower part of the bearing pot 1.
  • the oval tube 30 is non-rotatably, but axially displaceable, stored in the oval bearing 13, which is supported with ribs 38 on the assigned inner surface of the inner bearing ring 14.
  • the oval casing tube rotates and moves freely with the bearing bush radially and axially.
  • the entire bearing arrangement is installed with axial play in the upper bearing pot 1.
  • the lower end face of the protective cover 9 has an axial distance 36 to the upper end face of the associated bearing arrangement, which consists of the bearing ring 10, the ball bushing 11, the inner bearing ring 14 and the oval chuck bushing 13.
  • the ball bushing 11 can also be displaced with an axial play 37 between the upper end face of the bearing ring 10 and its lower end face.
  • the coupling according to the invention is arranged in the lower bearing pot 4.
  • the lower bearing pot 4 consists of a cup-shaped lower part 51, which is closed at the top by means of a screw thread with an associated cover 3.
  • the spacer tube 2 is accommodated between the cup-shaped lower part of the upper bearing pot 1 and the cover 3.
  • a coupling part 18 made of a metal material, e.g. Cast iron, cast steel or the like.
  • this annular groove is not shown in FIG. 8, because it is also possible to press the oval tube onto the upper, conical axial attachment of the coupling part 18.
  • the coupling part 18 has a lower, as a cone 40, axial shoulder, which has outer wedge surfaces 41, which form the coupling surfaces to associated wedge surfaces 42 of a conical recess 48 of a brake shoe 16.
  • the brake shoe 16 consists of a cylindrical part which is inserted into the lower part 51 of the lower bearing cup 4.
  • the brake shoe 16 consists of four segment-shaped parts 49 which are separated from one another by radial slots 39 and which is provided on its outer circumference with a circumferential annular groove into which a tension spring 20 is inserted.
  • the parts 49 are held together by the tension spring 20 and biased inward in the radial direction. All parts together form a conical recess 48, on the inside of which the aforementioned wedge surfaces 42 are arranged, which interact with the associated wedge surfaces 41 of the coupling part 18.
  • the compression spring 21 engages in a recess 52 of the coupling part 18 and is supported with the lower end in a bearing shaft seat 5, which at the same time serves to hold a bearing shaft 17 on which the compression spring 21 is rotatably and axially displaceably mounted.
  • the bearing shaft 17 is held in the bearing shaft seat 5 in a rotationally fixed manner by means of threaded pins 22 and also engages in the casing 6.
  • the upper side of the bearing shaft 17 is rotatably mounted in the coupling part 18 in two spaced-apart slide bearing bushes 19, 35.
  • the wedge surfaces 41, 42 are chamfered so that self-clamping cannot occur. I.e. Under the force of the compression spring 21, the clutch described can be disengaged automatically, as a result of which the oval tube 30 is pushed upward in the opposite direction to the arrow direction 53 and the segment-shaped parts 49 of the brake shoe 16 move radially inward again via the tension spring 20.
  • a wiper 15 is provided, which is seated as a circumferential ring on the brake shoe 16 and with its top a distance 50 to the underside of the cover 3 forms.
  • the brake shoe 16 can only move by the amount of the distance 50 in the axial direction in the lower bearing cup 4.
  • the lower storage pot is easy to open because the cover 3 is screwed onto the lower part 51 with a corresponding thread 44 and is fixed with adhesive, i.e. is made non-rotatable.

Claims (7)

1. Dispositif de redressement destiné à être installé sur des lits d'hôpital, comportant une fixation (34) reliée verticalement et d'une manière amovible à la tête de lit (27), à une certaine distance de celle-ci, fixation (34) dans laquelle est logé pivotant et de manière à pouvoir être immobilisé, un tube (30) apte à coulisser axialement sous l'effet d'une sollicitation, à l'encontre de la force d'un ressort de pression (21), et sur l'extrémité libre supérieure duquel est disposée une poignée (46) destinée aux patients, un dispositif d'accouplement interdisant une rotation du tube (30) étant prévu dans la fixation (34), au niveau de l'extrémité inférieure de ce dernier, de telle sorte que, lors d'un coulissement axial du tube (30) vers le bas, celui-ci est accouplé d'une manière fixe en rotation avec la fixation (34) par l'intermédiaire du dispositif d'accouplement, caractérisé en ce que le tube (30) est conçu sous la forme d'un tube ovale, et en ce que le dispositif d'accouplement comporte, assemblée d'une manière fixe en rotation avec le tube ovale (30) en formant un prolongement axial au niveau de l'extrémité inférieure de celui-ci, une pièce d'accouplement (18) présentant une partie saillante axiale conçue sous la forme d'un cône (40) qui s'engage dans un évidement conique (48) correspondant d'une mâchoire de frein (16) apte à s'écarter radialement, la mâchoire de frein (16) étant disposée dans la partie inférieure en forme de godet (51) d'une coupelle d'appui (4) montée sur la fixation (34) et venant, lorsqu'elle s'écarte, s'appuyer contre la face interne de la partie inférieure en forme de godet (51).
2. Dispositif de redressement selon la revendication 1, caractérisé en ce que la mâchoire de frein (16) comporte plusierus parties en forme de segments (49) séparées les unes des autres par des fentes axiales (39), et en ce qu'il est prévu, à la périphérie extérieure de la mâchoire de frein (16), dans une gorge annulaire, un ressort de tension (20) qui entoure toutes les parties (49).
3. Dispositif de redressement selon la revendication 1 ou 2, caractérisé en ce que, contre la face frontale du cône (40) de la pièce d'accouplement (18), s'appuie l'une des faces du ressort de pression (21) dont l'autre face s'applique contre un siège d'arbre d'appui solidaire (5), et en ce que la pièce d'accouplement (18) est montée coulissante axialement sur un arbre d'appui (17) accouplé avec le tube (30) dans le prolongement axial de celui-ci.
4. Dispositif de redressement selon la revendication 2, caractérisé en ce que les surfaces de coin (42) dans la zone de l'évidement (48) des mâchoires de frein (16) et les surfaces de coin (41) du cône (40) de la pièce d'accouplement (18) sont polies, et en ce que les mâchoires de frein (16) sont faites d'une matière synthétique polyamide.
5. Dispositif de redressement selon la revendication 1, caractérisé en ce que la partie inférieure (51) d'un couvercle supérieur en forme e coupelle (3) est fermée, et en ce que, sur la surface frontale supérieure des mâchoires de frein (16), est appliqué un élément intermédiaire annulaire (15) qui, par son arête frontale supérieure, est situé à une certaine distance (50) de la face inférieure du couvercle (3) (Fig. 4).
6. Dispositif de redressement selon les revendications 1 et 5, caractérisé en ce que la fixation (34) est formée de la coupelle d'appui inférieure (4) et d'une coupelle d'appui supérieure (1) disposée à une certaine distance de celle-ci et constituée par une boîte à garniture ovale annulaire (13) s'appuyant avec un faible jeu radial sur la périphérie extérieure du tube ovale (30), boîte à garniture ovale (13) qui, par sa périphérie extérieure cylindrique, s'applique contre la face interne d'une bague d'appui interne (14) portant, quant à elle, une boîte à billes (11) montée mobile en rotation et coulissante axialement sur la surface interne d'une bague d'appui externe (10) reliée solidairement à la cavité d'appui (1).
7. Dispositif de redressement selon la revendication 6, caractérisé en ce que le couvercle (9) fermant la coupelle d'appui supérieure (1) vers le haut, définit par sa surface frontale inférieure un espace (36) vis-à-vis de la surface frontale supérieure de la boîte à billes (11).
EP86115666A 1985-11-13 1986-11-12 Dispositif de relèvement applicable à des lits d'hôpital Expired EP0222375B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86115666T ATE43239T1 (de) 1985-11-13 1986-11-12 Aufrichtevorrichtung fuer die anbringung an krankenhausbetten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3540302 1985-11-13
DE19853540302 DE3540302A1 (de) 1985-11-13 1985-11-13 Aufrichtevorrichtung fuer die anbringung an krankenhausbetten

Publications (3)

Publication Number Publication Date
EP0222375A2 EP0222375A2 (fr) 1987-05-20
EP0222375A3 EP0222375A3 (en) 1987-11-11
EP0222375B1 true EP0222375B1 (fr) 1989-05-24

Family

ID=6285915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86115666A Expired EP0222375B1 (fr) 1985-11-13 1986-11-12 Dispositif de relèvement applicable à des lits d'hôpital

Country Status (6)

Country Link
US (1) US4847930A (fr)
EP (1) EP0222375B1 (fr)
AT (1) ATE43239T1 (fr)
DE (2) DE3540302A1 (fr)
ES (1) ES2009766B3 (fr)
GR (1) GR3000137T3 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4811435A (en) * 1988-01-15 1989-03-14 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US4932090A (en) * 1989-04-12 1990-06-12 Johansson Paul J Movable support bar
NL1001240C2 (nl) * 1995-09-19 1997-03-20 Prevas Ergonomie B V Samenstel van een bed en een inrichting voor bewegings-ondersteuning bij het in of uit een bed bewegen door een persoon.
US6357064B1 (en) * 2000-12-20 2002-03-19 Donald Totsky Assist device for disabled persons
US7188858B2 (en) 2002-04-24 2007-03-13 Graco Children's Products Inc. Foldable stroller
AU2003291215A1 (en) * 2002-11-14 2004-06-03 Adriaan Jacobus Nigrini Spinal problem recovery aid
AU2003299869A1 (en) * 2002-12-26 2004-07-29 Gendron, Inc. Bariatric patient management system
US7451509B2 (en) * 2003-10-17 2008-11-18 Jordan Dawes Enhancer device for enhancing the utility of a user's bed
US20060130238A1 (en) * 2004-07-16 2006-06-22 Robyn Smith Bed side rail method and apparatus
US7536738B2 (en) * 2005-02-17 2009-05-26 Hill-Rom Services, Inc. Patient helper apparatus
US8607378B2 (en) 2010-03-09 2013-12-17 Hill-Rom Services, Inc. Caregiver assist device
US8756735B2 (en) 2011-02-08 2014-06-24 Hill-Rom Services, Inc. Patient helper with egress handle
EP3108866B1 (fr) 2015-06-24 2019-10-30 Hill-Rom S.A.S. Procede et appareil de positionnement de patient
US10238562B2 (en) * 2016-02-23 2019-03-26 Hill-Rom Sas Unit for providing assistance or services to a patient
EP3738571A1 (fr) 2019-05-16 2020-11-18 Hill-Rom Services, Inc. Dispositif d'amélioration d'un lit résidentiel pour inclure un support d'équipement

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
DE7332718U (de) * 1973-11-29 Bremshey Ag Schwenkbarer Bettgalgen
US1849102A (en) * 1928-07-14 1932-03-15 Gerald R Livergood Slip bushing
US2010284A (en) * 1933-08-15 1935-08-06 Baash Ross Tool Co Casing head
FR1378935A (fr) * 1963-09-19 1964-11-20 Nouvelle Soc Mirima Supports télescopiques perfectionnés, notamment pour sièges et ensembles munis deces supports
GB1138172A (en) * 1966-05-17 1968-12-27 Evertaut Ltd Seats of adjustable height
DE2152256A1 (de) * 1971-10-20 1973-05-03 Demag Ag Kegelreibungsbremse
US3776387A (en) * 1972-02-28 1973-12-04 B Brent Portable stand with magnetic bar surgical instrument holder for use on an operating cart or table
US3765053A (en) * 1972-08-28 1973-10-16 Magnavox Co Friction support for lids
DE2458838A1 (de) * 1974-12-12 1976-06-16 Harry Dipl Ing Hammler Einbeinstativ fuer film- und fotokameras
US4113222A (en) * 1977-05-31 1978-09-12 Frinzel Jerry C Intravenous pole
DE3118449A1 (de) * 1981-05-09 1982-12-02 Sitema Gesellschaft für Sicherheitstechnik und Maschinenbau mbH, 7500 Karlsruhe "klemmvorrichtung"
US4445660A (en) * 1982-04-09 1984-05-01 Karapita Alexander D Adjustable suspension support
DE3327320A1 (de) * 1982-06-02 1985-02-07 Völker, geb. Mayer, Sigrid, 5014 Kerpen Bettgestell, insbesondere fuer krankenhausbett, mit einem gestellteil zugeordneter tragvorrichtung
DE3502012A1 (de) * 1982-06-02 1986-07-24 Völker, geb. Mayer, Sigrid, 5014 Kerpen Bettgestell, insbesondere fuer krankenhausbetten, mit einem gestellteil zugeordneter tragvorrichtung
DE3220783A1 (de) * 1982-06-02 1983-12-08 Völker, geb. Mayer, Sigrid, 5014 Kerpen Bettgestell, insbesondere fuer krankenhausbett, mit einem gestellteil zugeordneter tragvorrichtung

Also Published As

Publication number Publication date
EP0222375A3 (en) 1987-11-11
DE3540302C2 (fr) 1989-02-09
ES2009766B3 (es) 1989-10-16
GR3000137T3 (en) 1990-11-29
DE3663447D1 (en) 1989-06-29
ATE43239T1 (de) 1989-06-15
EP0222375A2 (fr) 1987-05-20
US4847930A (en) 1989-07-18
DE3540302A1 (de) 1987-05-14

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