EP1224923B1 - Bed, especially a medical and/or care bed - Google Patents

Abstract

A bed (1) has a bed stand (3) with a bed frame (2) and a load bearing structure (10). The bed frame is made up of longitudinal (7) and crosswise (8) supports and has supplementary load bearing framework elements (9). The bed stand and bed frame are screwed or welded together. Bed frame supports (4) and support legs (11) are hollow tubular sections. A lifting device (15) with a motor and pistons raises and lowers the bed.

Description

The invention relates to a bed, in particular a hospital and / or nursing bed, consisting of a bed frame having a bed frame and a Supporting frame, wherein the bed frame is formed of longitudinal and transverse beams.

Generic beds are known from the prior art and are in the practice among others used in the health and / or care sector. she serve the patient to a comfortable and especially a disease or to be able to take care of lying or sitting position in bed. To this Purpose generic beds also usually have lifting devices for Lifting and lowering of the bed frame as well as additional adjustment options with regard to the lying surface.

For example, a generic bed discloses CH-A-167118. Shown is Here is a hospital and / or nursing bed, which consists of a bed frame as well a lifting frame carrying the bed frame is formed. For a lift and Lowering the bed frame is provided a corresponding lifting device, the it allows the patient to relatively move the bed frame in height. From DE 44 16 689 a bed, in particular a hospital bed, is known, which consists of a bed frame and a height adjustable in the bed frame Guided tower with bed frame is formed. In addition, this bed has two independently operable drive motors, which serve the Height of bed attachment to move. To make sure that at the Height adjustment of the bed attachment a specific location, especially one horizontal position, maintained, it is suggested that the bed is over a Horizontal control device for the bed attachment with a Inclination detection device for detecting the inclination of the bed attachment opposite the bedstead.

Also, for example, DE 195 47 206 C1 and EP 0 433 737 B1 disclose each a hospital and / or nursing bed with a bed frame and a Bed frame supporting support frame. About a corresponding lifting device the bed frame and the support frame are coupled together, the bed frame in height is movable relative to the support frame. Not to extra Staff to be instructed, is a height adjustment of the bed frame over a patient-operated remote control possible.

DE 22 23 271 discloses a hospital bed with a top and a chassis, wherein the upper part is liftable relative to the chassis and is lowerable. To improve the lifting comfort and to avoid the Disadvantages associated with the use of hydraulic lifting devices go along, it is proposed here that to raise and lower the Upper part of a mechanical slant plate device is provided, and that to control the lowering a hydraulic damping support is present.

US 5,669,090 discloses the closest prior art.

In addition, generic beds usually have carrying roles, both from around their transverse as well as about its vertical axis rotatably mounted castors are formed and a little extra effort and a good maneuverability of the bed.

The standard hospital and / or nursing beds are at standard size or Standard dimensions designed. So they usually have a standard deck area measure of 90 x 200 cm. The usually available Lifting force of the lifting device is for a lifting weight of up to 200 kg dimensioned. However, it should be remembered that the total From the lifting device to be moved lifting weight from the weight of the im Bed patients and the height of the movable parts of the bed itself yields. The maximum patient weight is for this reason mostly limited to about 130 to 140 kg, which also applies to the beds previously quoted pamphlets applies.

In particular, with regard to the possible lifting capacity of the lifting device Standard hospital and / or nursing beds for overweight people with Disadvantage not suitable. First, there is a risk that the bed construction a use by overweight people does not withstand, for other, safe operation of the lifting device can not be ensured as soon as a lifting force of more than approx. 200 kg is required. Further, for overemphatic People often do not have the available lying area of 90 x 200 cm sufficient to allow a comfortable lying.

In order to give even heavyweight the possibility of illness and / or To take care beds in use, the appropriate use and Ease of use, such as the height adjustment or the Couch surface adjustment, it requires custom-made, individually manufactured Need to become. Disadvantageously this is very expensive.

The above prefaced, the invention has for its object to provide a bed that can be produced in a simple and economical manner and is suitable for receiving heavyweight persons.

To solve this problem is proposed with the invention that the bed frame has additional load-bearing truss elements.

By this measure, a self-starched bed frame is provided, the is suitable for receiving larger loads. In addition, the inventive Bed frame torsion and bending stiffer.

With the bed according to the invention is the first time in series economically manufacturable bed provided for holding heavy loads is suitable, which even heavyweight persons offered the opportunity is to take hospital and / or nursing beds in use, over the common operating and comfort devices, such as lifting and Lying surface adjustment, have. This is under heavy load in the sense of Invention to understand a body weight of up to 350 kg.

The bed according to the invention has a lifting device for lifting and Lowering the bed frame, which allows one to stand opposite the stand Technology to produce significantly higher lifting force, so that even when exploiting the permissible total weight lifting and lowering of the bedstead below Consideration of all safety aspects. Also the Adjustment of the bed is on the use of Heavyweight matched.

According to a feature of the invention, the bed frame in addition arranged load-bearing truss elements formed from square tubes Crossbars. These are welded to the bed frame and cause a Reinforcement of the bed frame, which has an overall higher load capacity allows. Alternatively, the cross struts with the bed frame can also be bolted.

According to a further feature of the invention, the bedstead an am Bed frame arranged bed frame rack, the other additional Reinforcement elements in the form of reinforcing struts has. These serve In addition, consisting of bed frame supports and crossbar bed frame frame also in the manner of a truss in addition to reinforce. That too Support frame has an additional reinforcement spar. As well as the Cross struts of the bed frame are also the reinforcing struts of the Bed frame frame and the reinforcing spar of the support frame with the Whole construction welded, with other types of connections such. B. screw or stick together are possible.

The bed frame of the bed according to the invention has at its two end faces each a bed frame frame, which are welded to the bed frame. Bed frames and bed frames together form the bed frame. The Bed frame has a support frame on the front edge side. Each support frame For its part, each has a supporting spar supported by carrying rollers, which upwardly oriented carrying legs. According to the invention, the carrier beam supplemented by a reinforcement bar. The upstanding support legs are Corresponding to the hollow bed frame supports of the Bed frame rack formed and ready for use of the Bed according to the invention pushed into this. Each support frame has via a separate lifting device, which the support frame with each associated bed frame rack coupled. This way a can Relative movement of the bed frame can be achieved with respect to the support frames, in that guided by the support legs of the support frame bed frame supports over the lifting device can be raised or lowered.

All bed components are so reinforced or dimensioned, that heavy loads of up to 350 kg of the bed according to the invention added can be. It can also in the payload of such a heavy load both the lifting device for raising and lowering the bed frame and the Adjustment for leveling and alignment of the bed in an advantageous Be used to an optimized lying position for in bed patients. Called, for example, the Trendelenburg storage.

According to a further feature of the invention, the bed frame is opposite each of the two support frames by means of a corresponding lifting device mechanically, electromechanically and / or hydraulically or pneumatically height-adjustable. For this purpose, each lifting device has a Lift motor. This produces advantageously a lifting force of 5000 N. Zur Supply of the lifting motor with electrical energy can be a corresponding Be provided transformer.

The lifting device also has a pneumatic or hydraulic operable reciprocating piston. Alternatively, the lifting device also by a rack and pinion arrangement may be formed.

According to a particular advantage of the invention, the lifting motors are the Lifting devices independently operable, so that the bed frame individually movable relative to each support frame by lifting and / or lowering is. In this way, can also be inclined to the floor Reach the position of the lying surface.

According to a further feature of the invention, the support frame has the foot side Carrying rollers on. These support rollers are advantageously made both to the Transversely formed as well as about the vertical axis rotatably mounted castors and able to take a load capacity of at least 150 kg. Exemplary Each support frame have two support rollers, so that the inventive Bed is provided with a total of four idlers, thus a minimum capacity of 600 kg is ensured.

The bed frame of the bed according to the invention is according to another feature the invention with a reinforced by means of additional cross braces lying surface Mistake. This lying surface is by means of provided for lying surface motors adjustable trained. For this purpose, preferably two are connected in parallel Liegeflächenmotoren provided by lying in bed by means of a corresponding remote control are individually controlled. This way you can the desired lying position over an adjustment of the lying surface exactly be set. The lying surface motors preferably produce one Adjustment force of 10000 N.

According to a further feature of the invention is a lying surface support provided, which is formed of water-resistant multiplex plywood. The Plywood can according to a further feature of the invention, a metal inner reinforcement exhibit.

To secure the person in bed can also be a bed frame be provided surrounding side rails. The side rail is preferably made Wood formed with integrated metal interior reinforcement. For the Hospital design of the bed can also be used as the side rail Steel side grid to be formed with plastic end pieces.

In accordance with a further advantageous embodiment, this offers bed according to the invention a larger bed area than the standard 90 x 200 cm, so that even an overweight with naturally larger Space requirement is given the opportunity to be comfortable. This is also especially appropriate when additionally arranged side rails on the bed are to avoid dropping out of bed. Without one Broadened lying area would be the obese patient downright restricted. Therefore, it is proposed to widen the bed surface, so for example 120 cm. To continue to ensure easy maneuvering of the bed It is also proposed that the additional lying surface on the standard lying surface with a width of 90 cm to arrange that this If necessary, can be folded away, so that the bed then turn a Standard width. It is e.g. possible, the beds according to the invention from the outset equipped with pivoting side areas, which the Width of the bed to widen to 120 cm, for example, with the width on demand the standard 90 cm can be reduced by folding away the side panels can.

According to a further advantageous embodiment, it is proposed according to the modular principle a widening element in the desired width to arrange a bed of standard width. This can be done for example by means of movable elements take place, so that a folding away the Broadening elements is made possible. This can be done, for example, via simple Locking elements, hinges or similar respectively. It can beds with standard width be equipped with arrangement devices in which the Broadening elements are hooked, hung or otherwise secured can. This will have widened beds for heavyweights Lying surface not be stored and provided extra, but it is possible if necessary, to widen the beds to the required width.

It is also proposed, in addition to a support at least in Connection area of the main lying surface with the widening element to arrange, which additionally supports the side part, so that an unintentional Removal of the lateral part in the event of increased stress by the patient is prevented. Furthermore, with the invention individually hinged Liegeflächen-, foot and headboard elements proposed. This will be the not on the lifting devices possible movements of the individual elements influenced and remain undisturbed. Furthermore, the side panels should be such be made reinforced, so that they meet the increased load requirements withstand the heavyweight.

Due to the foldability of the lying surfaces, the free maneuverability of the Secured bed. So a problem especially in clinical areas is that the Doors usually have standard widths and the beds matched to these in particular to allow the patient to be transported freely in his bed to back up. Due to the advantageous embodiment, the bed with hinged to provide widened side elements, which are either substantially permanently via hinges or similar attached to the standard lying surface can be or later on Anornungsvorrichtungen if necessary be arranged movably on the bed and thus broaden the lying surface becomes the overweight patient a comfortable mattress with sufficient Width provided, with the maneuverability of the widened Bed is not limited, since the widening areas if necessary can be folded away, for example, to drive through doors. there the side rails can be arranged on the widening elements.

Fig. 1

eine schematische Stirnseitenansicht des erfindungsgemäßen Betts;

Fig. 2

eine schematische Draufsicht auf das erfindungsgemäße Bett und

Fig. 3

eine schematische Seitenansicht des erfindungsgemäßen Betts.

Further advantages and features of the invention will become apparent from the following description with reference to the drawings. Showing:

Fig. 1

a schematic end view of the bed according to the invention;

Fig. 2

a schematic plan view of the bed according to the invention and

Fig. 3

a schematic side view of the bed according to the invention.

The bed according to the invention consists of a bed frame 2, two respectively front frame on the bed frame 2 arranged bed frame racks 3 and two Support frames 10. The bed frame 2 and the bed frame racks 3 are screwed together or welded together and together form the Bed frame 1. This relationship can be seen most clearly in Fig. 3.

The bed frame 2 in turn consists of two longitudinal members 7 and two Cross beams 8, which are connected together to form a rectangular support frame are. To accommodate heavy loads of up to 350 kg, the bed frame is 2 additionally with load-bearing truss elements in the form of transverse struts 9 Mistake. This is shown in FIG. 2.

A bed frame 3 in turn consists of two bed frame supports 4 and a the two bed frame supports 4 interconnecting cross member 5. By way of example, in FIG. 1 the cross member 5 is designed as an angle element. to Reinforcement of the bed frame 3 are two additional reinforcing struts 6 provided. These connect the cross member 5 and the bed frame supports. 4 also in the manner of a framework with each other.

Fig. 1 is further seen that each of the two supporting frames 10 made a support beam 13 is formed, each two facing upwards and with the Tragholm 13 firmly connected support legs 11 has. For reinforcement is also in each case a reinforcing rail 14 is provided. The support legs 11 are respectively formed corresponding to the hollow running bed frame supports 4 and in the ready state of the bed led into this. Here are the Bed frame supports 4 and support legs 11 preferably made Square hollow section tubes formed, the outer dimensions in each case so coordinated with each other, that the support legs 11 within the Bed frame supports 4 can be performed.

Each support frame 10 is connected via a corresponding lifting device 15 with the respectively corresponding bed frame 3 coupled. About an operation the lifting device 15 can thus a relative movement, d. H. a lift and Lower, the bed frame 1 relative to the support frames 10 are effected. In Advantageously, while the two lifting devices from each other independently operable, so that also inclined to the floor Positions of the bed frame 2 are adjustable.

The lifting device 15 in turn consists of a reciprocating piston 16 and a Lifting motor 17. To cope with a recorded heavy load generates a each of the two lifting motors 17 a lifting force of up to 5000 N. Alternatively to a reciprocating piston 16 may also be a rack and pinion arrangement provided be.

The bed according to the invention also has one in the figures not illustrated lying surface. This lying surface is for reinforcement with additional Cross struts trained and can be connected in parallel via two Liegeflächenmotoren be adjusted in the orientation. Each of the two Lying surface motors generates an adjustment force of at least 10,000 N each.

Overall, with the bed according to the invention on heavy loads of up to 350 kg aligned construction provided with it For heavyweight people it is possible to have a comfortable and above all to take care of lying and / or sitting position. The sizing bed of the invention is designed so that both the Carrying capacity is guaranteed for a payload of up to 350 kg, as well as over the lifting and / or lying surface motors a needs-oriented orientation of the entire bed frame or the bed is possible.

LIST OF REFERENCE NUMBERS

1

bedstead

2

bed frame

3

Bed frame

4

Bed frame support

5

transverse spar

6

reinforcing strut

7

longitudinal beams

8th

crossbeam

9

crossmember

10

supporting frame

11

support leg

12

supporting role

13

spar

14

reinforcing bar

15

lifting device

16

reciprocating

17

Lifting motor

Claims (8)

1. Bed,

   with a bedstead (1) which comprises a bed frame (2) formed from longitudinal and transverse supports (7, 8) and two bed frame structures each disposed at the end on the bed frame (2), wherein each bed frame structure (3) is formed by two bed frame supports (4) as well as a transverse spar (5) which connects the two bed frame supports (4) to one another,

   and with two supporting structures (10), wherein each of the two supporting structures (10) is formed by a supporting spar (13) each of which has two supporting legs (11) which point upwards and are firmly connected to the supporting spar (13),

   wherein the bedstead (1) has a supporting structure (10) on each end face, each supporting structure (10) being coupled to the bedstead (1) by way of its own lifting device (15) which has a lifting power of at least 5000 newtons,

   wherein the bed frame (2) has transverse struts (9) which are disposed transversely with respect to the direction of the longitudinal supports (7) of the bed frame (2) as additional load-bearing latticework elements,

   wherein each of the two bed frame structures (3) has reinforcing struts (6) as additional load-bearing latticework elements,

   wherein each of the two supporting structures (10) has a reinforcing spar (14) as additional load-bearing latticework element,

   wherein the bed frame (2) is provided with a resting surface which is reinforced by means of transverse struts,

   wherein expansion elements are disposed on the resting surface so that they can be folded away or detached, so that without these elements the bed has a narrower width.
2. Bed as claimed in Claim 1, characterised in that the transverse struts (9) and/or the reinforcing struts (6) are rectangular tubes.
3. Bed as claimed in Claim 2, characterised in that the transverse struts (9) or the reinforcing struts (6) respectively are welded to the bed frame (2) or the bed frame structure (3) respectively.
4. Bed as claimed in any one of Claims 1 to 3, characterised in that the lifting motors (17) of the lifting devices (15) can be operated independently of one another.
5. Bed as claimed in any one of the preceding claims, characterised in that the supporting structure (10) is provided at the foot end with supporting rollers (12), each supporting roller (12) having a load-bearing capacity of at least 150 kg.
6. Bed as claimed in any one of the preceding claims, characterised in that the resting surface is designed to be adjustable, wherein two parallel-connected resting surface motors each having an adjusting force of at least 10,000 N are provided for adjustment of the resting surface.
7. Bed as claimed in any one of the preceding claims, characterised in that the resting surface support is made from laminated wood and has a metal internal reinforcement.
8. Bed as claimed in any one of the preceding claims, characterised in that at least partial areas of the resting surfaces as well as head and foot elements can be folded away independently of one another.

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