EP0617945A2 - Lit, en particulier lit de malades et/ou de soins - Google Patents

Lit, en particulier lit de malades et/ou de soins Download PDF

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Publication number
EP0617945A2
EP0617945A2 EP94104455A EP94104455A EP0617945A2 EP 0617945 A2 EP0617945 A2 EP 0617945A2 EP 94104455 A EP94104455 A EP 94104455A EP 94104455 A EP94104455 A EP 94104455A EP 0617945 A2 EP0617945 A2 EP 0617945A2
Authority
EP
European Patent Office
Prior art keywords
bed
support
frame
bed frame
lifting frame
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.)
Withdrawn
Application number
EP94104455A
Other languages
German (de)
English (en)
Other versions
EP0617945A3 (fr
Inventor
Günter Dipl.-Wirt. Ing. Meyer
Oliver Meyer
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.)
MEDICAL OBJEKTEINRICHTUNG GmbH
Original Assignee
MEDICAL OBJEKTEINRICHTUNG 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 MEDICAL OBJEKTEINRICHTUNG GmbH filed Critical MEDICAL OBJEKTEINRICHTUNG GmbH
Publication of EP0617945A2 publication Critical patent/EP0617945A2/fr
Publication of EP0617945A3 publication Critical patent/EP0617945A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
    • A47C19/045—Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments
    • 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
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame

Definitions

  • the invention relates to a bed, in particular hospital and / or nursing bed, with a bed frame with head and foot parts arranged on the narrow side, in which a preferably adjustable bed insert or bed frame is mounted, and with a lifting frame underpinning the bed frame with preferably electromechanical or hydraulic Height adjustment and undercarriage rollers, the lifting frame being equipped with several, preferably four, footrests in which support supports which can be extended and are connected to the bed frame are guided.
  • Such beds are used in particular in the medical or nursing sector. They have a height adjustment, on the one hand to allow the user to get in and out comfortably in the lowered position, and on the other hand to facilitate treatments and care measures in the raised position.
  • a bed of the type described above is known from DE-PS 39 40 666. It shows a bed that can be easily and quickly adjusted in height.
  • the bed has a bed frame that is supported by a lifting frame.
  • the lifting frame is designed like a frame and preferably has four column-like footrests in which support supports are guided telescopically.
  • the carrier supports are firmly connected to the bed frame at their upper end.
  • a preferably movable and rotatable chassis roller is mounted.
  • the support brackets are longer than the footrests, so that the chassis roller protrudes a small amount from the footrest on the standing surface when the support brace is retracted.
  • the footrests are provided on their lower edge with a pressure and non-slip ring support, preferably made of rubber or plastic.
  • An electric motor is provided as a common drive for all, preferably four, carrier supports, the torque of which is above itself branching shaft connections and gears are ultimately transferred together to the four support brackets, so that the horizontally aligned bed frame can be adjusted in height in various parallel positions to the horizontal plane.
  • the central drive source can be designed and set up both for a common actuation and loading of all adjustable carrier supports as well as for a single actuation or in pairs. Due to the telescopic guidance of the support brackets in the footrests, only a common actuation of all support brackets is possible.
  • Another bed is known from DE-PS 41 17 277.
  • the footrests sit on the bed frame. Its lower end is equipped with rollers.
  • the bed is equipped with a head-side and a foot-side lifting device for lifting and lowering, the two lifting devices each being provided with a formwork or paneling. Both the lifting devices and the footrests are each arranged in a head-side and foot-side cladding, so that a change to a standing or driving position can be carried out by lifting or lowering the lifting frame.
  • the two lifting frames provided at the head end on the one hand and at the foot end on the other are with each an electric motor as a drive.
  • a skid is provided on the lifting devices on the head side and on the foot side, which extends at least over part of the width of the bed.
  • the underside of the runner is rounded in the transverse direction, so that a leg or head position can also be reached without tension occurring on the bed frame; Due to the rounded runners, the lifting devices at the head and foot ends can move into correspondingly inclined positions. Inclined lateral transverse positions are not possible with this bed.
  • a hospital bed which has a base frame provided with undercarriage castors, a lifting frame which can be raised in comparison thereto and a bed frame with a lying insert or lying frame.
  • the bed frame can be pivoted on the lifting frame or on lifting struts about a pivot axis lying approximately in the vertical longitudinal center plane of the bed, so that the lying surface can be pivoted into inclined lateral transverse positions.
  • a motor can be provided as a drive for the respective lateral transverse position and a further motor for the height adjustment.
  • the arrangement of the three frames one above the other requires a corresponding amount of construction work and also takes up construction height, so that the entry and exit position is limited at the bottom.
  • the bed rests in all positions on the undercarriage castors, so that separate locking devices for the undercarriage castors are required.
  • the invention has for its object to provide a bed of the type described above, in which the lying area predetermined by the bed frame optionally in a head or leg position on the one hand and in a Lateral lateral position on the other hand and also height adjustable.
  • this is achieved in the bed of the type described in the introduction in that a separate drive is provided for each support, that each support is connected via a joint which has two pivot axes parallel to the edges of the bed frame, and each has a length compensation with the bed frame is.
  • the invention is based on the idea of providing an individual drive for each support. If four support supports are generally provided, four drives are also provided, each of which is assigned to only one support support.
  • the support brackets are no longer rigidly connected to the bed frame, but are each supported by a joint, the joint providing at least two pivot axes, one pivot axis being used for the head or leg depression and the other pivot axis being used for the lateral transverse position.
  • four footrests are used, each with one support and four individual drives for each support.
  • each separate drive preferably has an electric motor.
  • a control device is provided for all electric motors, with which the electric motors can be controlled in pairs on the long side and / or on the narrow side.
  • a relatively simple control device can be implemented electrically.
  • each individual motor can be controlled separately, an electric motor is never operated alone, unless only three support points are used instead of the four support points. In the usual training with four support points, ie four footrests and four support supports, the electric motors are operated in pairs.
  • the two electric motors arranged on the long side on one side of the bed are operated together, then the inclination of the lateral transverse position is changed, the bed frame pivoting about a pivot axis which is formed by the joints of the other two non-controlled electric motors. This is possible alternately.
  • the electric motors are also in pairs, but here summarized and controlled on the narrow side. If finally all four electric motors are combined, then two common pairs of electric motors are formed and a pure height adjustment is possible. Inclined positions can preferably only be taken from the horizontally oriented position of the bed frame, but then at any height.
  • Each chassis roller can be arranged at the lower end of a support column, which is provided on the lifting frame at a distance from the carrier support and with an axis parallel to its axis.
  • the chassis rollers are therefore no longer on the support supports and are no longer retracted into the foot supports, but are attached to a support column that is arranged separately and at a distance from it.
  • the undercarriage rollers do not have to be retracted into other parts either. The parts do not hinder each other.
  • the support column of each undercarriage roller can be easily guided on the lifting frame.
  • the support column can also be fastened to the bed frame, so that the support column then not only fulfills the function of supporting the undercarriage roller at its lower end, but at the same time also causes vertical guidance between the lifting frame and the bed frame, the connection also being provided in this way Must be that a length compensation is possible and no tension occurs when the bed frame is adjusted to the different relative positions. It is therefore easiest if the support columns are only connected to the lifting frame, but not to the bed frame.
  • the footrests are always longer than the support supports so that the support supports can be fully inserted into the footrests, so that the bed frame can be placed in a comparatively deep entry and exit position for the bed user. In this lowest position, the undercarriage rollers are extended and the footrests have been lifted slightly off the floor so that the bed can be moved with a particularly low center of gravity. If only an exit and entry is to be practiced, a somewhat higher position of the bed frame can be used, in which the bed stands on the footrests without being able to roll up.
  • the footrests themselves can also be closed at their lower end, so that there is a correspondingly large and safe contact area.
  • the support columns are longer than the footrests and each have at their upper end a stop which interacts with the bed frame or a part connected to it. Although the support columns are thus arranged next to and at a distance from the support supports and foot supports, the drive of the support support is also used in this way for the relative extension of the support support with the chassis roller.
  • the chassis rollers always remain in contact with the ground. In the last range of movement of the support brackets into the footrests, however, the weight is removed from the footrests and transferred to the undercarriage castors, the footrests being raised to a certain extent from the floor so that the bed can be moved freely.
  • the stop described only needs to perform its function in the downward direction. When the bed frame of the bed is raised, the support pillars can remain in contact with the ground on the castors.
  • the support columns only have to be loosely guided in the vertical direction on the lifting frame.
  • the support columns can thus the lifting frame in openings provided there enforce, so that they are freely movable relative to the lifting frame per se in the vertical direction and only come into force when the bed frame lies on the support columns from above.
  • the support columns also have no function when the head and legs are lowered or the side is turned. They remain in contact with the floor, with the chassis rollers only supporting the weight of the support columns on the floor, while the weight of the bed and the bed user rests securely on the footrests.
  • the support column and the parallel footrest with the support support can be surrounded by a common covering which is attached to the lifting frame.
  • This common covering gives the bed a particularly stable appearance and a pleasing shape in the corner areas.
  • the joint must be at least a double joint for the realization of the two necessary swivel positions.
  • a ball joint can also be used advantageously, which of course also provides the two pivot axes.
  • the length compensation at the connection point of each carrier support can be designed as a slide guide with two slideways overlapping at right angles.
  • the arrangement can then be such that the two slideways connect at right angles to one another, so that a change between leg and head low position on the one hand and lateral transverse position on the other hand is only possible from the middle position, in which the lying area defined by the bed frame is aligned horizontally .
  • the mechanical parts are secured against tension and destruction.
  • the separate drive for each carrier support can have a reduction gear with a nut rotatably mounted on the lifting frame, the nut being penetrated by the carrier support designed as a threaded spindle.
  • the nut can be rotated but is secured against axial displacement on the lifting frame. By rotating the nut in place, the support post migrates more or less out of or into the footrest, the threaded spindle executing a pure axial movement.
  • a frame-like lifting frame 1, which is arranged below a bed frame 2, can be seen schematically from FIG.
  • the bed frame 2 rests at four support points 3 on the lifting frame 1 or is connected to it.
  • a footrest 4 and a support 5 are provided in the area of each support point 3.
  • the support bracket 5 is guided in the footrest 4, so that these two elements are provided with a common axis.
  • a support column 6 is provided in each corner area at a distance from the footrest.
  • FIG. 2 A corner area with a support point 3 is shown here.
  • the other support points 3 are designed accordingly.
  • the footrest 4 can be designed as a tubular section. It is fixed to the lifting frame 1, for example welded to it.
  • the support 5 is accommodated in the footrest 3. Footrest 4 and support 5 thus have a common axis 7.
  • the support 5 is designed as a threaded rod and is seated in a nut 8 which is rotatably and axially immovably mounted in the footrest 4.
  • the support bracket 5 moves upward or downward into the footrest 4 depending on the direction of rotation of the nut 8 in the direction of the double arrow 9.
  • an electric motor 10 with a downstream gear 11 is provided, which ultimately drives the nut 8.
  • a joint 12 is provided, which provides two mutually perpendicular pivot axes 13 and 14, which run parallel to the narrow sides and to the long sides of the bed frame 2.
  • the joint 12 is connected to the bed frame 2 via a length compensation 15.
  • the length compensation 15 can have a slide guide 16, the slide guide 16 having at least one guide track 17 running at a right angle (FIG. 3).
  • This length compensation 15 fulfills its function when the bed is pivoted with its bed frame 2 into the head or leg low position on the one hand or the lateral transverse position on the other hand, so that the lying surface of the bed frame 2 is no longer aligned horizontally but is arranged at an angle.
  • the bed frame 2 is pivoted about an axis running parallel to the narrow sides of the bed and is brought into an inclined position, the head or Leg low set. If, on the other hand, the bed frame 2 is pivoted about a pivot axis running at right angles thereto, that is to say parallel to the long sides of the bed, the lateral transverse position is set, which is sensibly used in particular when people in need of care are turned or when appropriate treatments are carried out. In the positions described, the bed frame 2 is inclined relative to the lifting frame 1, so that there are length differences at the support points 3. In order to allow these length differences, the length compensation 15 is provided.
  • the bed frame 2 is only adjusted in height from its horizontally aligned position parallel to itself, then it always remains parallel to the lifting frame 1, and there are no length differences, so that the length compensation 15 is ineffective with such an adjustment.
  • An adjustable bed insert or bed frame is usually provided on the bed frame 2 (not shown), which can have a separately adjustable head part and a corresponding foot part.
  • the support column 6 On the lifting frame 1 there is also a guide tube 18 which receives the support column 6 in its interior.
  • the support column 6 is longer than the guide tube 18 and also longer than the footrest 4.
  • the support column 6 is loosely guided in the guide tube 18 in the vertical direction. It protrudes with its upper end to a certain extent from the guide tube 18 and ends in a stop 19 which cooperates with the bed frame 2 or a part connected to it.
  • a chassis roller 20 is arranged, which may well have a diameter of 75 mm. Relatively large undercarriage rollers 20 can be used in diameter because there is enough space available at this point.
  • the chassis roller 20 is rotatably mounted about the axis 21. It can either be swiveled by one Be vertical axis suspended on the support column 6 or rotate freely together with the support column 6 in the guide tube 18.
  • FIGS. 2 and 3 show one of the numerous starting positions in which the bed frame 2 is provided in a horizontally aligned manner with respect to the lifting frame 1.
  • Bed frame 2 and lifting frame 1 are located in mutually parallel horizontal planes.
  • the bed is in the standing position. It stands on the footrests 4.
  • the footrests 4 can be closed at the bottom.
  • An elastic coating or a base made of elastomeric material increases the friction and thus improves the stability of the bed.
  • the undercarriage roller 20 also stands on the floor 22, no forces are transmitted here apart from the weight of the support column 6 and the undercarriage roller 20 itself.
  • a control device 23 is illustrated schematically in FIG. 1.
  • the four electric motors 10 can be controlled in very different ways via this control device 23.
  • the control device 23 has a first adjustment option in which the bed frame 2 is only adjusted in height parallel to itself. All four motors 10 are actuated simultaneously and operated with the same direction of rotation, so that the bed is raised or lowered with the bed frame 2. In the case of a lowering movement from FIG. 2, the carrier support 5 runs even further into the footrest 4 until the bed frame 2 abuts the support column 19 6 hits.
  • the footrest 4 comes free from the floor 22 and the bed now rests on the guide rollers 20. It has taken its lowest position and can be rolled. In this lowest position, the footrest 4 is raised from the floor 22 by 1 to 2 cm. In this lowest position or in a position a few cm higher, in which the bed still stands on the footrests 4, it is possible to get in and out of the bed comfortably. In order to carry out maintenance work on the user of the bed, the bed frame is raised to the desired height position, all four electric motors 10 being actuated simultaneously and in the same direction of rotation via the control device 23.
  • the two electric motors provided on the narrow side are combined in pairs by means of the control device 23 and either the one pair is operated in one direction of rotation while the other pair is stationary, or both pairs are driven in opposite directions until the desired inclined position of the bed frame 2 about a pivot axis running transversely to the bed, that is to say parallel to the narrow sides, is reached.
  • the length compensation 15 also fulfills its function, and a sliding block 24 moves in the slide guide 16 in the direction of the arrow 25 or in the opposite direction.
  • the sliding block 24 moves in the guideway 17 in the direction of the arrow 26.
  • the electric motors are driven together in pairs along the longitudinal side, whereby either only one pair of electric motors 10 or both pairs are controlled simultaneously.
  • the individual drives can be controlled individually at each point of support, but an electric motor 10 is never operated alone. Either at least two electric motors or all four electric motors are operated simultaneously.
  • Each footrest 4 with its support 5 and the guide tube 18 with the support column 6 is covered by a common cladding 27, which may have an elliptical shape (FIG. 3) or a beveled design.

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)
EP19940104455 1993-03-27 1994-03-22 Lit, en particulier lit de malades et/ou de soins. Withdrawn EP0617945A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4310003 1993-03-27
DE19934310003 DE4310003C1 (de) 1993-03-27 1993-03-27 Bett, insbesondere Kranken- und/oder Pflegebett

Publications (2)

Publication Number Publication Date
EP0617945A2 true EP0617945A2 (fr) 1994-10-05
EP0617945A3 EP0617945A3 (fr) 1994-10-26

Family

ID=6484025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940104455 Withdrawn EP0617945A3 (fr) 1993-03-27 1994-03-22 Lit, en particulier lit de malades et/ou de soins.

Country Status (2)

Country Link
EP (1) EP0617945A3 (fr)
DE (1) DE4310003C1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755007A1 (fr) * 1996-10-28 1998-04-30 Tasserit Ets Lit pour hospitalisation a roulettes escamotables
EP0809166A3 (fr) * 1996-02-06 1998-05-13 Andreas Reisacher Servomécanisme à entraínement à vis
US6779210B1 (en) 2003-03-18 2004-08-24 Hugh Kelly Elevating bed
WO2004082550A1 (fr) * 2003-03-21 2004-09-30 Haessig Peter Lit de soins et d'hopital
CN118845029A (zh) * 2024-09-11 2024-10-29 溧阳市人民医院 一种心电图设备导联线整理装置

Families Citing this family (6)

* 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
DE4424118C1 (de) * 1994-07-08 1995-09-14 Medical Objekteinrichtung Gmbh Bett, insbesondere Kranken- und/oder Pflegebett
US5747745A (en) * 1995-07-26 1998-05-05 Tedea-Huntleigh Intl. Ltd. Weighting device for bedridden patients
DE29602391U1 (de) * 1996-01-30 1997-06-05 Flötotto Einrichtungssysteme GmbH & Co KG, 33335 Gütersloh Pflege- und/oder Krankenbett
EP1095647A1 (fr) * 1999-10-29 2001-05-02 Hermann Bock GmbH Lit avec dispositif de réglage de hauteur
FR2906986B1 (fr) * 2006-10-17 2008-12-26 Edena Sas Soc Par Actions Simp Dispositif support d'un lit equipe au moins de moyens de reglage en hauteur

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1378096A (en) * 1919-11-17 1921-05-17 Harry R Gibbons Bed-elevating device
US2604639A (en) * 1950-01-18 1952-07-29 Jack L Killifer Hydraulic hospital bed lift
US3253284A (en) * 1965-02-08 1966-05-31 Gendron Wheel Company Adjustable stretcher
FR1589982A (fr) * 1968-10-25 1970-04-06
FR2171537A5 (fr) * 1972-02-04 1973-09-21 Matifas Sa
FR2419068A1 (fr) * 1978-03-07 1979-10-05 Forez Ateliers Haut Lit a sommier inclinable et a hauteur variable pour grands malades et accidentes
DE3940666C1 (en) * 1989-12-08 1991-01-17 Voelker Moebelproduktionsgesellschaft Mbh, 5810 Witten, De Bed-frame for use in hospital - has electromechanical or hydraulic lifting system and four upright legs
DE4117277C1 (fr) * 1991-05-27 1992-12-17 Voelker Moebelproduktionsgesellschaft Mbh, 5810 Witten, De
DE9202605U1 (de) * 1992-02-28 1992-08-20 Haagensen Electronic GmbH, 4803 Steinhagen Krankenbett
DE9207352U1 (de) * 1992-05-30 1992-08-06 L. & C. Arnold AG, 7060 Schorndorf Pflegebett

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0809166A3 (fr) * 1996-02-06 1998-05-13 Andreas Reisacher Servomécanisme à entraínement à vis
FR2755007A1 (fr) * 1996-10-28 1998-04-30 Tasserit Ets Lit pour hospitalisation a roulettes escamotables
US6779210B1 (en) 2003-03-18 2004-08-24 Hugh Kelly Elevating bed
WO2004082550A1 (fr) * 2003-03-21 2004-09-30 Haessig Peter Lit de soins et d'hopital
CN118845029A (zh) * 2024-09-11 2024-10-29 溧阳市人民医院 一种心电图设备导联线整理装置

Also Published As

Publication number Publication date
EP0617945A3 (fr) 1994-10-26
DE4310003C1 (de) 1994-06-01

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