Device for a bed

Beds – Invalid bed or surgical support – Tiltable along a longitudinal axis

Patent

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Details

5613, A61G 7008, A61G 700

Patent

active

060387173

DESCRIPTION:

BRIEF SUMMARY
The present invention relates to a device for a bed, and more precisely to a device designed to make the handling of e.g. hospitalized persons easier when for instance the patient's position needs to be changed, the bed be made or examinations of the patient be carried out.
Persons that are confirmed to bed often encounter problems in the circulatory system in the parts of the body that the weight thereof press against the bed bottom or against a support disposed on the bed bottom, such as a mattress. The problem is found particularly in the case of patients who are deeply unconscious, in coma, or disabled, etcetera, and produces discomfort and more often than not bed sores. To prevent such problems from developing, the bedridden patients may be turned over at regular intervals, such as once an hour, allowing the patient to assume a different posture, whereby different parts of the body will be exposed to pressure from its contact with the bed support. It is easily understood that such position changes in the case of e.g. disabled persons is hard work, requiring considerable skill and strength on the part of the nursing staff, and it is not unusual that two nurses are needed to change a patient's position in order to prevent the development of lifting strain induced injuries.
Also in order to make the bed and allow examinations of the bedridden patient to be performed it is sometimes necessary to change his or her position, which involves identical problems to those outlined above.
In order to alleviate these problems it is known to utilize various implements to facilitate e.g. position changes, bed-making, examinations, and so on.
GB 2 231 790 discloses one example of use of selectively inflatable and deflatable elongate cushions to effect such patient turning-over movements. However, devices of this kind require inflating and deflating mechanisms that generate noise in the environment of the bedridden person, and result in a comparatively expensive and complex structure.
SE 7800612-9 gives one example of a solution to the problem by providing on the long sides of the bed arm-supported roller rods between which e.g. a sheet extends. By manipulating the arms and thus the roller rods the position of a bedridden person may be altered. However, also this structure is comparatively expensive and complex, in addition to taking up considerable space.
A further example of a solution to the above problem is shown in U.S. Pat. No. 4,375,706. This device comprises a bed bottom which is divided into one middle section and two side sections which are pivotably attached to the middle secton at their inner longitudinal edges. The middle section is pivotable about a longitudinal central axis. The external longitudinal edges of the side sections are supported by a plurality of pivotally arranged link arms. The use of numerous movable parts, such as the sections and the link arms, results in a complex and consequently expensive structure. The link arms are located at the longitudinal edges of the bed and on account of their unprotected position they may be exposed to mechanical damage of a nature that affects the pivotal movements of the bed. In addition, the position of the link arms may also cause clamping injuries.
In GB 2 154 437, finally, is disclosed a further example of a solution to the above problem. The device in accordance with this publication comprises a lower bed portion and an upper bed portion, the latter having two parts. They are connected to the lower portion in such a manner as to be pivotable relatively thereto about axes normal to the longitudinal extent of the bed. Consequently, position change is possible only of the upper portion of the bed and this position change is restricted to the lengthwise direction. Each one of the upper bed portion parts consists of a plurality of elongate members arranged alternately across the area of the upper short end of the bed. The device disclosed in this publication thus does not allow change of the position of the legs of a patient occupying the bed, nor change o

REFERENCES:
patent: 2112702 (1938-03-01), Loibl
patent: 3013281 (1961-12-01), Steiner
patent: 4375706 (1983-03-01), Finnhult
patent: 5640729 (1997-06-01), Marino
patent: 5699566 (1997-12-01), Chuang

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