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EP0685216B1 - Bett, insbesondere Krankenbett - Google Patents

Bett, insbesondere Krankenbett Download PDF

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Publication number
EP0685216B1
EP0685216B1 EP95106010A EP95106010A EP0685216B1 EP 0685216 B1 EP0685216 B1 EP 0685216B1 EP 95106010 A EP95106010 A EP 95106010A EP 95106010 A EP95106010 A EP 95106010A EP 0685216 B1 EP0685216 B1 EP 0685216B1
Authority
EP
European Patent Office
Prior art keywords
bed
bed according
castors
motor
shaft
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
EP95106010A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0685216A1 (de
Inventor
Heinrich Völker
Karlheinz Baumeister
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.)
Volker Mobelproduktions-Gesellschaft Mbh
Voelker Moebelproduktion GmbH
Original Assignee
Volker Mobelproduktions-Gesellschaft Mbh
Voelker Moebelproduktion 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=27206381&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0685216(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE4416690A external-priority patent/DE4416690A1/de
Priority claimed from DE4416689A external-priority patent/DE4416689C1/de
Application filed by Volker Mobelproduktions-Gesellschaft Mbh, Voelker Moebelproduktion GmbH filed Critical Volker Mobelproduktions-Gesellschaft Mbh
Priority to US08/578,612 priority Critical patent/US5903940A/en
Priority to PCT/EP1995/001795 priority patent/WO1995031171A1/de
Publication of EP0685216A1 publication Critical patent/EP0685216A1/de
Application granted granted Critical
Publication of EP0685216B1 publication Critical patent/EP0685216B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
    • 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
    • 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
    • A61G7/0528—Steering or braking devices for castor wheels
    • 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
    • A61G7/005—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position

Definitions

  • the invention relates to a bed, in particular a hospital bed, consisting of a bed frame and one in the bed frame Height-adjustable bed attachment with a preferably adjustable bed frame.
  • a bed of this type is known from DE-GM 92 07 352.
  • the US-PS 28 19 474 discloses a similar bed in which the bed frame also has an adjustable lying surface is, with both the head part of the lying surface as well the foot part of the lying surface by a separate motor can be adjusted.
  • the known mechanisms for height adjustment are associated with disadvantages. In some cases, very complicated adjustment mechanisms are provided. In other cases, the bed has a poor external appearance.
  • DE-U-93 13 149 discloses a bed with a height adjustable on a bed frame guided bed attachment, which has telescopic rods on the foot and head section, which in Telescopic guides of the bed frame are guided.
  • the guides are of a fairing surround.
  • the object of the invention is to provide a height adjustable bed, in particular To propose a bed of the kind specified in the introduction, with a simple structure, an attractive external appearance has and is easy to clean.
  • the headboard and / or the foot part of the bed attachment is each with at least a downward-pointing telescopic rod, which in Each guided an associated telescopic guide of the bed frame is, the telescopic guides of the head part or Are each surrounded by a panel.
  • the bed has an appealing exterior Appearance.
  • the arrangement of the telescopic rods and telescopic guides can also hit the other way round: then the headboard and the Foot part of the bed attachment with at least one after each provided telescopic guide at the bottom, in which associated Telescopic rods of the bed frame are guided.
  • the cladding is designed as a closed housing on all sides.
  • the housings are as a cast housing, preferably as an aluminum die-cast housing or designed as a magnesium die-cast housing. Because the Housings are closed on all sides, it is possible to easily Way to clean. This is especially true of Meaning if the bed is used as a sickbed or as a nursing bed is, both in the hand cleaning and in automatic cleaning in a cleaning device or cleaning system. Such special cleaning systems for Sick beds are already known.
  • the beds are in a cleaning chamber and automatically or manually cleaned, what with hot steam and / or with chemical cleaning agents and / or other cleaning devices such as brushes etc. can happen.
  • the all-round closed housing can be designed waterproof in a simple manner. It can also be designed as a completely encapsulated housing.
  • the housing which is preferably closed on all sides, can also designed in a simple manner as a self-supporting cladding become. It is advantageous if the drive motor for the movement of the telescopic rod or the telescopic rods within the panel or the housing is arranged. It is but also possible the drive motor outside the housing to arrange. If the bed for automatic cleaning In this case, a waterproof one must be suitable Drive motor can be used.
  • the linings are designed as self-supporting linings are.
  • the bed frame which is the load-bearing Has parts, surrounded by a separate panel.
  • the cladding is self-supporting Cladding designed. This self-supporting cladding fulfills at the same time two functions, on the one hand the function of carrying the bed attachment, and on the other others the function of covering the parts required for height adjustment.
  • the housing can be made in two parts. This is particularly so then advantageous if it is a cast housing. Can on the opposite surfaces of the two parts a housing seal can be provided, preferably by a Sealing material that is applied during assembly, for example Silicone or other plastic sealing material. Cast housings have the further advantage that they are simple Way can be sealed.
  • Another advantageous further development is characterized in that that to operate the telescopic rods and, if necessary of the rollers required components within the fairing or the housing or cast housing are arranged.
  • the external appearance is improved.
  • the cleaning ability is also improved, since only the Cladding must be cleaned and the parts inside do not disturb. There can be more in the cladding Objects can be accommodated.
  • the head-side cladding and the foot-side are preferably Cladding by at least one, preferably as a connecting pipe configured connecting part connected to each other.
  • a particularly simple and lightweight construction is created.
  • DE-GM 71 17 979 is a mobile hospital bed known in which the bed frame has a casting. This However, the casting is open at the bottom, so it is not closed on all sides and therefore cannot be easily cleaned.
  • the casting also covers the entire area of the bed. It is therefore difficult, unwieldy, difficult to manufacture and expensive.
  • the invention has the advantage that it is easier to manufacture and assemble.
  • provided cast housing can be much easier and be made smaller. You will be through the connector connected with each other.
  • the cladding or housing and connecting part existing unit can also act as an undercarriage be designated.
  • the connecting parts or connecting pipes are preferably made from extruded profiles, preferably from extruded aluminum profiles or magnesium extrusion profiles.
  • the use of a connecting pipe or another connecting part with closed Cross-section has the advantage that the entire undercarriage is then simple can be cleaned.
  • the undercarriage can also be elegant be designed.
  • a power transmission element for the adjustment the roles arranged.
  • the power transmission element it is preferably a wave.
  • the connecting part is designed as a connecting tube. The power transmission element is then in the connecting tube, where it is not visible and not during cleaning disturbs. It is also against external influences and malfunctions secured.
  • the telescopic rod or the telescopic rods outside the connecting line of the rollers is or are provided.
  • Preferably has the cladding or the housing in its end regions a bend on. Both are then particularly of Advantage if the rollers provided on a panel are adjusted can be and if by a power transmission element are interconnected.
  • the power transmission element is preferably designed as a straight shaft.
  • the telescopic poles are outside the line connecting the rollers and thus outside the shaft, so that the lifting movement of the telescopic rods is not hindered by the wave. This is it possible to get the full stroke for the telescopic rods.
  • the line connecting the rollers lies on that of the side of the telescopic rods facing away from the middle of the bed.
  • the cladding in its end areas is - from seen above - angled outwards. This is everyone's four rolls of the circumscribed rectangle larger so that the footprint of the bed and its stability are also larger are as in the reverse case in which the connecting line of the Rollers on the side of the telescopic rods facing the center of the bed lies.
  • the head part and / or the foot part of the bed attachment each with two parallel, spaced, downward pointing telescopic poles, which are guided in the associated telescopic guides of the bed frame are.
  • the distance between the rollers is preferably one from the other larger than the distance between the telescopic guides. Because each there are two telescopic poles the use of only one telescopic rod the advantage that the Telescopic poles can be dimensioned weaker, which ultimately is cheaper. The stability is also increased.
  • the head part of the bed attachment and for the Foot part of the bed attachment each has a separate drive motor intended. Because the motors for the headboard and the Foot section of the bed attachment separately and independently of one another can be operated, the bed attachment can be both horizontal and inclined (in the so-called Trendelenburg position).
  • the telescopic rods of the head part and / or of the Foot part connected to each other by a cross member.
  • the traverse preferably runs essentially horizontally.
  • the bed attachment is connected to the traverse. Through the Traverse stability is increased.
  • telescopic rods are each provided with a spindle drive are driven by a common toothed belt are.
  • another flexible can instead of the toothed belt Power transmission element, which is also the synchronization of the Spindle drives guaranteed to be used, for example a chain.
  • the use of such a power transmission element has the advantage that the drive option for the Vertical movement of the bed attachment even when the bed is inclined Bed attachment can be reliably realized in a simple manner can, because angle compensation is reliable in a simple manner is feasible.
  • the rollers can preferably be locked by a locking element.
  • the adjustment elements for the rollers are preferably in arranged the panels. It is advantageous if all roles locked and released by a single adjusting element can be.
  • the adjusting member is preferably of both Side of the bed can be operated.
  • a motor for actuating the locking element or the adjusting elements is present.
  • it is an electric motor. It is advantageous if desired, manual operation of the locking element or the adjusting elements is possible.
  • the lining is in the area between the telescopic guides lower than that Telescopic guides. Then in this area at the bottom there are other components of the bed attachment without this reduces the stroke.
  • rollers can be brought into a first position (rolling position) are in which they are freely rotatable, and in a second position (Blocking position) in which they are blocked. Further is a motor is provided through which the rollers move from one to the other other position can be brought.
  • the motor is preferably an electric motor. Due to the possibility of motor Roll adjustment becomes the manageability of the hospital bed improved.
  • the roles are can be brought into a third position in which at least one role rollable, but is stable and in the other roles are freely rotatable.
  • the rollable but directionally stable roll is preferably aligned in the longitudinal direction of the bed. This third position is then the so-called straight-ahead position, in which the bed is rolled in a stable direction in the longitudinal direction can be.
  • a first power transmission element by the engine in particular a shaft that can be actuated, in particular rotatable, that is associated with a role.
  • an actuating part for manually changing the Position of the roles available.
  • the roles can then optionally adjusted manually by the actuator or by motor power become.
  • the operating part can be used as an operating lever or be designed as a pedal or as a double pedal. The result
  • the manual actuation option created is in particular important if the engine is not operated can, for example, because no energy supply for the engine is present or because the engine is defective.
  • the motor is preferably with the first power transmission element or connected to the shaft by a disengageable clutch. This is particularly important if an actuating part or an operating lever or a pedal for manual Changing the position of the rollers is present and when the actuator with the first power transmission element or with the shaft is connected. Then the engine or the one with it connected parts prevent manual adjustment of the rollers; the mechanical connection is made possible by the disengageable coupling to the engine interrupted and manual adjustment of the Allows rolling.
  • the disengageable clutch preferably has a first hub and a second hub that are disengageably connected.
  • the first hub can be operated by the motor.
  • the second hub is actuated the first power transmission device or the shaft.
  • Advantageous it is when the hubs are connected by rolling elements are.
  • the hubs are preferably spring-loaded against one another.
  • the engine can be with the disengageable clutch or with its first Hub through a gear, such as a spur gear or a worm gear.
  • the head part of the bed and at the foot of the bed there are two roles, each by a first power transmission element or a shaft are connected to each other, and are also the two first power transmission elements or waves by a second Power transmission element connected together. All Rollers can then be adjusted simultaneously by a single motor become.
  • the second power transmission element can also be designed as a wave. It can also be in a tube that connects the head part of the bed with the foot part of the bed, arranged and thereby disguised in a simple manner.
  • the telescopic rod or the telescopic rods outside the connecting line of the rollers is or are provided.
  • Preferably has the cladding or the housing in its end regions a bend on. Both are then particularly of Advantage if the rollers provided on a panel are adjusted can be and if by a power transmission element are interconnected.
  • the power transmission element is preferably designed as a straight shaft.
  • the telescopic poles are outside the line connecting the rollers and thus outside the shaft, so that the lifting movement of the telescopic rods is not hindered by the wave. This is it possible to get the full stroke for the telescopic rods.
  • the line connecting the rollers lies on that of the side of the telescopic rods facing away from the middle of the bed.
  • the cladding in its end areas is - from seen above - angled outwards. This is the all four roles of the bed circumscribed rectangle larger, so that the footprint of the bed and its stability are greater are as in the reverse case in which the connecting line of the Rollers on the side of the telescopic rods facing the center of the bed lies.
  • the sick bed shown in Fig. 1 consists of a bed frame 1 and a bed attachment 2 with a height adjustment therein a bed frame, not shown in FIG. 1, which has a lying surface having.
  • the bed frame 2 has side parts 3 (bed sides) and corner bars 4.
  • the bed frame 1 consists of a cover 9 on the head side and a foot panel 10, which by frame parts 11 are interconnected. At the outer lower ends of the Panels 9, 10 rollers 12 are provided.
  • the cladding 10 is partially shown in section in FIG. 2. It has two parallel, spaced, vertical Telescopic guides 13, 14, each with a vertical Telescopic rod 15, 16 is guided in a longitudinally displaceable manner.
  • the Telescopic rods 15, 16 are at their upper ends by a horizontal traverse 17 connected to each other on the Bed attachment 2 rests (not shown in Fig. 2).
  • the telescopic rod 15 (and also the other telescopic rods) has at its lower end a slide ring 18 made of a friction reducing Covering with its outer surface on the inner surface the telescopic guide 13 rests.
  • a further slide ring 19 is provided, which also consists of a friction reducing material is made and the with its Inner surface abuts the outer surface of the telescopic rod 15.
  • a spindle 20 is rotatable, but not axially displaceable.
  • the spindle 20 passes through a spindle nut 21, which has a vertical sleeve 22 is connected to the bottom 23 of the panel 10. Accordingly can the spindle and with it the telescopic rod 15 through a rotation of the spindle 20 relative to the spindle nut 21 and thus to the panel 10 are moved up or down.
  • an electric motor 24 is attached to the cross member 17, which drives a pulley 25 around which a toothed belt 26th is looped.
  • the toothed belt is around pulleys 27 on it non-toothed back in one direction parallel to the crossbar 17 redirected.
  • It loops around gears 28, 29, each are connected to the telescopic rods 15, 16 and coaxially this sit.
  • the gears 28, 29 are opposite to the associated ones Telescopic rods 15, 16 rotatable, but axially fixed.
  • the gear 28 (and correspondingly also the gear 29) connected to the associated spindle 20 so that the rotation of the gear 28 transmits to the spindle 20. If the Motor 24 is actuated, the gears 28, 29 are synchronous driven and accordingly the telescopic rods 15, 16 synchronously upwards or - with the motor rotating in the opposite direction 24 - moved down.
  • Fig. 1 On the cross member 17 is in the manner shown in Fig. 1 further motor M1 fastened, which is connected via the connecting shaft 30 and the pulley 31 and the toothed belt 32 and the gear 33 as well as another gearwheel located behind it in FIG. 1 the two parallel, vertical, spaced telescopic rods moved up or down.
  • the lining 9 is constructed in the same way as the cladding 10. The same applies to the associated Telescopic rods, of which only the front telescopic rod in Fig. 1 34 can be seen.
  • the motors M1 and M2 are in a closed, watertight Housing 35 housed or encapsulated. This allows the bedside can be cleaned quickly and easily.
  • the housing 35 is splash-proof. It can also be more effective if needed protected against water and / or other environmental influences be.
  • the housing 35 is located in the the motors M1 and M2 are encapsulated, at the foot of the bed or of the bed attachment. There it interferes with the operation of the bed least. Furthermore, there is the further advantage that the electromagnetic fields of the electric motors at one for little harmful place for the patient. As a result of that the electric motors M1 and M2 are encapsulated in a housing 35, there is the further advantage that the wiring effort for the electric motors M1, M2 is small.
  • the housing 35 is with the telescopic rods 15, 16 connecting Traverse 17 connected. This will put the housing together with this traverse 17 and thus together with the associated Foot part of the bed attachment 2 moved up or down.
  • the lying surface 36 is shown, which consists of four articulated interconnected parts, namely the head part 37, the middle part 38 and in turn from two parts 39, 40 existing foot section.
  • the lying surface 36 can be, for example, as Slatted frame can be formed, but also as a grid surface or on other way.
  • An electric motor 41 is arranged in the housing 35 a threaded spindle 42 which passes through a threaded nut 43 in can cause a rotational movement.
  • the threaded nut 43 is with a tube 44 connected in a bore 45 of the guide tube 46 is guided in a longitudinally displaceable manner.
  • the spindle nut 43 is connected to the guide tube 46 in a longitudinally displaceable and rotationally fixed manner.
  • one arm 47 of a two-armed lever rotatably mounted At the end of the tube 44 facing away from the spindle nut 43 one arm 47 of a two-armed lever rotatably mounted, the other arm with its outer end 49 at the bottom of the head part 37 is supported.
  • the two-armed lever 47, 48 is at the outer end of a connecting rod 50 rotatable about an axis 51 stored.
  • the other end of the connecting rod 50 is with connected to the electric motor 41 or its housing.
  • the possibility of movement for the foot part 39, 40 of the lying surface 36 is constructed in an analogous manner.
  • the engine 53 too disposed in the housing 35, a spindle rotates one Interspersed spindle nut, which is connected to a tube 54.
  • a lever arm 55 of a two-armed Lever attached, the other lever arm 56 with his End 57 on the underside of the central part 38 of the lying surface 36 facing part 39 of this lying surface 36 abuts.
  • the two-armed Lever 55, 56 is rotatably mounted about an axis 58.
  • the Connecting rod 59 is on the one hand with the axis of rotation 58 and on the other hand, connected to the electric motor 53.
  • FIGS. 1 and 4 they are all located Electric motors M1, M2, 41 and 53 in one and the same waterproof Housing 35. As already stated, this is housing 35 connected to the traverse 17. Since the housing 35 and with him the electric motors M1, M2, 41 and 53 together with the bed attachment move up or down is the adjustment of the Head part 37 and the foot part 39, 40 of the reclining frame through the associated electric motors 41, 53 in any height position of the Bed attachment 2 possible without any problems.
  • the distance between the rollers 12 is one another larger than the distance between the telescopic guides 13, 14 or the distance between the telescopic rods 15, 16.
  • the telescopic guides 13, 14 are accordingly in the lining 10 inside the rollers 12 and the recesses 60 provided therefor This makes it possible to save overall height for the panels 10.
  • the telescopic guides 13, 14 can be very wide down and almost to the bottom 61, on which the rollers 12 rest, pass.
  • All electric motors M1, M2, 41 and 53 are independent of one another actuatable. Since the electric motors M1 and M2 are independent of each other can be actuated, the bed attachment 2 in the from FIG. 1 clearly be inclined.
  • the bed attachment 2 is rotatably mounted about the axis 62 at the foot of the bed.
  • the Axis 62 is connected to the crossmember 17. It can be horizontal Extensions are formed at the lower ends provided by the cross member 17 connected side parts 63 are (see also Fig. 2).
  • the height adjustment of the head end of the bed attachment 2 is also reliably guaranteed at the inclination shown in FIG. 1, since the toothed belt 32 even with an inclination the force of the Belt wheel 31 transmits to the gears 33.
  • the shaft outputs of motors M1, M2 are opposite the housing 35, which can be a plastic housing, with shaft seals sealed. All drive motors are powered by a battery or driven by a battery, which is also arranged in the housing 35 is.
  • a built-in transformer is not necessary so that the associated disadvantages (heating, radiation, Disconnection from the mains etc.) does not occur.
  • the sick bed is completely free of mains voltage. If a battery is used, it can be charged by a charger that is outside of the bed and is not connected to the bed, for example a plug-in charger with an output of, for example 15 VA, that with a low voltage line for only occasional cargo can be connected to the bedside.
  • All wheels 12 can be locked or locked, namely through a single locking device, from both sides of the bed can be actuated by foot pedal 67 shown in FIG. 3.
  • the foot levers 67 are connected to a first brake rotary shaft 68, through which the rollers 12 are locked at the foot of the bed can.
  • Power is transmitted to the head end by a Brake rotary rod 69 housed in a frame connection 11 is.
  • the brake rotary rod 69 is connected to the brake rotary shaft 70 connected in the panel 9 at the head of the bed.
  • the bed frame should be horizontal be moved up or down. Accordingly, one Device for synchronizing the height movements of the head part and the foot section provided.
  • a control unit 71 With the telescopic tube 15 or 16 or the traverse 17, a control unit 71 is connected.
  • the Control unit 71 is located at a distance a from the telescopic tubes 15, 16 or their longitudinal axes.
  • Stop elements 72a, 72b arranged, namely at a distance b from the telescopic tubes 15, 16 or their longitudinal axes.
  • the stop elements 72a, 72b are arranged one above the other. You have each other a vertical distance c.
  • the housing of the control unit 71 is on a connecting rod 73 attached from the cross member 17 to the outer foot end of the Bed protrudes.
  • a resilient Display element 74 towards the center of the bed. If the bed attachment 2 is in the horizontal position (Fig. 5 and 6), the inner end of the resilient display element 74 lies exactly in the middle between the two stop elements 72a and 72b.
  • the position of the changes Display device 71 does not. Accordingly, the location of the resilient display element 74 initially unchanged.
  • the bed attachment 2 is opposite the connecting rod 73, the control unit 71 and the resilient display element 74 inclined. Hereby beats - depending on the direction of inclination - either the lower one Stop element 72a or the upper stop element 72b to the inner end of the resilient display element 74. If the bed attachment 2 is inclined further, the resilient display element moved up or down accordingly. This makes one of the two switches 75a provided in the control unit 71 or 75b operated.
  • the switch 75a is located under the resilient Display element 74, the switch 75b is located above this resilient display element 74.
  • an actuating part 76 is connected, which the resilient Display element 74 protrudes on both sides in the vertical direction.
  • the ends of the actuating part 76 lie on switching elements 77a, 77b, which in this way depends on the direction of movement of the resilient Display element 74 be changed.
  • the control unit causes that drive motor to stop becomes that which is leading in the respective direction of movement Part of the bed attachment 2 drives. If the bed attachment 2 for example is inclined in the manner shown in FIG. 1, and when the bed frame is to be moved up the control that only the motor M1 is running and that the motor M2 is stopped. Accordingly, only that in FIG. 1 head part of the bed shown on the left moved up. this happens until the bed attachment 2 is horizontal. From then both motors are actuated so that the bed attachment 2 in is moved horizontally upwards.
  • the control unit does so 71 that the electric motor M1 is stopped, so that the Height position at the head of the bed is not changed. Further causes the control unit 71 that the motor M2 in the sense of a Downward movement is actuated so that the foot end of the bed cap 2 is moved down. This control is maintained as long as until the bed attachment 2 is in a horizontal position located. From then on, both motors will move downwards actuated the bed attachment.
  • FIG. 7 A circuit diagram for such a control device is shown in FIG. 7.
  • the motors M1 and M2 are for counterclockwise rotation and Suitable for clockwise rotation and switchable. Both engines can can be operated individually up or down. she can also be operated upwards or downwards together. If the motor M1 is to be moved up, the button is pressed M1 ⁇ actuated. If the M1 motor is to be moved down, button M1 ⁇ is pressed. In an analogous way, the engine M2 can be moved up or down by pressing the M2 ⁇ button or M2 ⁇ is pressed.
  • buttons are on one side with the positive pole of a voltage source connected.
  • the other side of the button is off Fig. 7 evident way - partly over one or more Diodes D7 to D10 - with one or more of the relays RL1 to RL4 connected.
  • the buttons are for the common Movement of the motors M1 and M2 via the diodes D5 and D6 connected to another relay RL5, which when actuated Switches C1 and C2 open.
  • switches C1 and C2 becomes the area with the diodes D1 to D4 and the switches N.O. as well as N.U. activated. Instead of switches, too Reed contacts, light barriers, FET transistors or others Sensors are used. The double switches N.O. ("up") and now.
  • the roller 102 shown in FIGS. 8 and 9 is with the bed frame connected to the sickbed.
  • the roll 102 is in a first one Bring position (roll position) in which it can be freely rotated and in a second position (blocking position) in which it is blocked or braked.
  • the role is in the roll position 102 both about the horizontal axis 151 and about the vertical Axis 152 freely rotatable.
  • the roller 102 is attached to a roller housing 153 which is penetrated by a shaft 132.
  • the shaft 132 has a hexagonal cross section.
  • the role 102 is adjusted by rotating shaft 132. If the Shaft 132 in the position shown in cross section on the right in FIG. 9 "0", it is freely rotatable. By rotating the Shaft 132 to the left into the position labeled "B" the roller 102 is blocked.
  • the shaft 132 can be rotated to the right into the Position "G" for a straight travel of the bed. In this position, the bed will roll into one position brought, in which it is rollable, but stable in direction. In this Position is a free rotation of the roller around the horizontal Axis 151 possible. The rotation of the roller around the vertical axis 152 is blocked, however, in such a way that the horizontal Axis 151 extends perpendicular to the longitudinal axis 121 of the bed, see above that the roller points in the longitudinal direction of the bed.
  • the remaining roles the bed are freely rotatable, that is, both about the axis 151 and also rotatable about the axis 152. This makes a stable straight-ahead drive of the bed.
  • the rotation of the shaft 132 and thus the adjustment of the rollers 102 is carried out by the motor 134.
  • This motor 134 is designed as a thrust or Traction engine designed.
  • the connected to the engine 134 and motor rod 131 actuated by it is in the direction of the double arrow 154 agile. It is with the motor 134 through the journal 134a articulated.
  • the other end of the motor rod 131 is connected by the pin 155 to a flange of the hub 135.
  • Projections 156 are arranged on the shaft 132 at a distance from one another, on which discs 157, 157 'are supported. At the in 9 disc 157 shown on the left is based on a first hub 135 onwards. Between the first hub 135 and the other disc 157 ', a second hub 138 is provided which has a shoulder 158 has, on which a compression spring 136 is supported, the other End rests on the disc 157 '.
  • the hubs 135, 138 instruct their mutually facing surfaces recesses in which Rolling bodies 137 formed as balls lie. Due to the spring load the compression spring 136, the hubs 135, 138 against each other tense.
  • the first hub 135 is not rotatably connected to the shaft 132, thus rotatably supported on this shaft 132.
  • the second hub 138 is connected to shaft 132 in a rotationally fixed but axially displaceable manner.
  • the double pedal 133 With the shaft 132, the double pedal 133 is non-rotatable and axial firmly connected. It has actuating bodies 159 at its ends, for example made of rubber or with a rubber jacket. By pressure on the actuating body 159 can cause the shaft 132 manually or by foot force. When actuated the shaft 132 through the motor 134, the pedal 133 moves with, so that it then indicates the respective position of the rollers 102.
  • the hubs 135, 138 form with the rolling elements 137 and the compression spring 136 a disengageable clutch.
  • the pushing movement of the motor rod 131 into a rotary movement of the first hub 135 converted around shaft 132.
  • This rotation is transmitted to the second hub 138 via the rolling elements 137, which in turn transmits it to shaft 132.
  • the power is transmitted from the engine 140 to the first Hub 139 not through a motor rod 131, but through a worm gear which is driven by a motor 140 Worm 141 and a worm wheel meshing with this exists, which is integrally formed on the first hub 139.
  • the hub 135 the embodiment according to FIGS. 8 and 9 is thus by Hub 139 replaced, which simultaneously as a worm wheel or as Worm gear segment is formed.
  • Switches or sensors detect the signals to the engine Deliver 134 or 140 if the desired switching position is reached.
  • the possibility of disengaging is the one that can be disengaged Coupling through axially disengageable rolling elements or balls 137 created.
  • the disengageable clutch can also be used can be realized in other ways, for example by radially disengaging Rolling elements or balls.
  • the modified embodiment shown in FIGS. 12 to 14 the bed has a bed frame with castors 102 and one not shown in the drawing, adjustable in height in the bed frame guided bed attachment with a preferably adjustable Bed frame.
  • the bed frame consists of a first Cast housing 101 at the foot of the bed, a second cast housing 101 'at the head of the bed and from a first connecting pipe 106 and a second connecting pipe 106 '.
  • the connecting pipes 106, 106 ' run parallel to each other at the same height and at a distance from each other. They also run in essentially at right angles to the cast housing 101, 101 'or perpendicular to the connecting line of two rollers 102 each a cast housing.
  • the connecting pipes 106, 106 ' run also symmetrical to the longitudinal center axis 121 of the bed.
  • the cast housing 101, 101 ' can be seen in FIG. 13 in particular Way in the area between the telescopic guides 104, 104 ' lower than these telescopic guides, by the dimension d. From the trapezoidal recess formed in this way can when lowering the bed attachment with this bed attachment connected, projecting components are included, for example Components for the adjustment of the bed frame required are.
  • a lead screw 112 is provided, the lower end of which axially fixed and rotatably connected to the bottom 171 of the housing 101 ' is.
  • the telescopic rod 105 ' (and also the other telescopic rods), which is designed as a telescopic tube, has on its lower End a spindle nut 111, which engages around the threaded spindle 112.
  • the rotation of the threaded spindle 112 causes movement the spindle nut 111 down or up.
  • the Spindle nut 111 secured against rotation, namely that the telescopic rods connected to a spindle nut 105, 105 'in turn connected to each other by bridge 113 are.
  • the two threaded spindles 112 of the cast housing 101 ' indicate their lower ends each have a pulley through a toothed belt 172 can be driven.
  • the timing belt 172 will driven by a drive motor 173. He wraps around different ones Deflection wheels and the pulleys of the two spindles 112 and is designed as a set toothed belt.
  • the drive motor 173 is arranged inside the cast housing 101 '.
  • the An drive axis of the drive motor 173 runs horizontally (parallel to the bed longitudinal axis 121).
  • the telescopic rods 105, 105 'at the head and foot of the Bed can be extended to different degrees is one Length adjustment of the attachment points of the bed attachment required.
  • At the foot of the bed is on the pivot bearing 114, located at the ends of bridge 113.
  • the bridge 113 'at the head of the bed has rotating connecting rods at its ends 115, at the lower ends of which protrude at right angles, horizontal Pads 16 are provided on which the bed attachment in the area resting on his head.
  • Through the rotating connecting rods 115 is the length compensation when extending differently the telescopic rods 105, 105 '(when the bed is in the so-called "Trendelenburg position" is possible.
  • the telescopic rods and the Telescopic guides 104, 104 'outside the connecting line of the associated rollers 102 are connected by the shaft 132.
  • the straight wave 132 lies on the connecting straight line of the rollers 102 Shaft 132 does not hinder the lifting movement of the telescopic rods, are the telescopic rods and with them the telescopic guides 104, 104 'arranged outside the shaft 132. Is located the shaft 132 or the connecting line between the rollers 102 on the side of the telescopic rods facing away from the center of the bed or the telescopic guides 104, 104 '. The same applies to that other cast housing 101 '.
  • the cast housing 101 (and also the cast housing 101 ') has an angled portion in its end regions, which in the exemplary embodiment of Figures 12 to 14 is approximately 15 °.
  • the shaft 132 is shown in FIG rear-facing lever firmly connected with a vertical Connection lever 181 is articulated.
  • the vertical link lever 181 is horizontal at its upper end Link lever 182 hinged, the other End with the second power transmission element designed as a shaft 107 is firmly connected. In this way there is a rotational movement the shaft 132 is converted into a rotational movement of the shaft 107.
  • At the other end of shaft 107 is the same lever mechanism provided to rotate the shaft 107 into a To convert rotary motion of the further shaft 132.

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)
  • Materials For Medical Uses (AREA)
EP95106010A 1994-05-11 1995-04-21 Bett, insbesondere Krankenbett Expired - Lifetime EP0685216B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08/578,612 US5903940A (en) 1994-05-11 1995-05-11 Adjustable motor-driven hospital bed having a housing for part of the bed superstructure
PCT/EP1995/001795 WO1995031171A1 (de) 1994-05-11 1995-05-11 Bett, insbesondere krankenbett

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE4416690A DE4416690A1 (de) 1994-05-11 1994-05-11 Bett, insbesondere Krankenbett
DE4416690 1994-05-11
DE4416688 1994-05-11
DE4416689A DE4416689C1 (de) 1994-05-11 1994-05-11 Bett, insbesondere Krankenbett
DE4416688 1994-05-11
DE4416689 1994-05-11

Publications (2)

Publication Number Publication Date
EP0685216A1 EP0685216A1 (de) 1995-12-06
EP0685216B1 true EP0685216B1 (de) 1999-07-28

Family

ID=27206381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95106010A Expired - Lifetime EP0685216B1 (de) 1994-05-11 1995-04-21 Bett, insbesondere Krankenbett

Country Status (7)

Country Link
US (1) US5903940A (da)
EP (1) EP0685216B1 (da)
AT (1) ATE182462T1 (da)
DE (1) DE59506450D1 (da)
DK (1) DK0685216T3 (da)
ES (1) ES2136763T3 (da)
WO (1) WO1995031171A1 (da)

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EP1162933B1 (de) * 1999-03-22 2004-09-08 VÖLKER MÖBELPRODUKTIONS-GESELLSCHAFT mbH Bett, insbesondere kranken- und/oder pflegebett und längenveränderbares stützelement für ein derartiges bett
BE1012628A3 (nl) * 1999-04-23 2001-01-09 Imhold Nv Bedonderstel.
DE10147142B4 (de) * 2001-09-25 2005-03-24 Völker Möbelproduktionsgesellschaft mbH Bett, insbesondere Kranken- oder Pflegebett
EP1495718B1 (en) * 2003-07-11 2006-06-14 Esaote S.p.A. Apparatus for magnetic resonance imaging
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US9474671B2 (en) * 2012-03-06 2016-10-25 Operating Room Safety Enterprises, LLC Surgical table
US9265680B2 (en) * 2012-03-06 2016-02-23 Operating Room Safety Enterprises, LLC Surgical table
BE1021305B1 (nl) * 2014-05-05 2015-10-26 Gymnauniphy Behandelbank met voetschakelaar opgehangen met elastische ophangelementen
CA2990889C (en) * 2015-06-29 2024-05-28 Arjohuntleigh Ab Brake assistance system for patient handling equipment
AU2017363367B2 (en) * 2016-11-28 2020-11-19 MAQUET GmbH Robotic surgical system to reduce unwanted vibration
CN110604425A (zh) * 2018-06-15 2019-12-24 上海智婴科技有限公司 一种智能婴儿床
CN115670835B (zh) * 2022-12-05 2023-04-07 首都医科大学附属北京天坛医院 一种神经康复训练装置

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Also Published As

Publication number Publication date
DK0685216T3 (da) 1999-11-29
ES2136763T3 (es) 1999-12-01
ATE182462T1 (de) 1999-08-15
WO1995031171A1 (de) 1995-11-23
DE59506450D1 (de) 1999-09-02
EP0685216A1 (de) 1995-12-06
US5903940A (en) 1999-05-18

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