Beds – With means for relocating an invalid – With a hoisting – lifting – elevating – or raising device
Patent
1992-12-29
1995-02-21
Saether, Flemming
Beds
With means for relocating an invalid
With a hoisting, lifting, elevating, or raising device
5 871, 212260, 254124, A61G 710
Patent
active
053903803
DESCRIPTION:
BRIEF SUMMARY
DESCRIPTION
The present invention relates to stabilised bed and a hoist (lifting apparatus) therefor.
FIELD OF THE INVENTION
There are growing concerns about the occurrence of lower back injuries to nursing staff in hospitals due to lifting of patients onto and off hospital beds. It is known to use a mobile lifting apparatus to lift patients off and onto hospital beds. Such known mobile lifting apparatus are provided with wheels and incorporate straps or a harness or the like to locate about a patient. The patient can be raised or lowered by the apparatus when in the harness and the apparatus can be manoeuvred by wheeling so as to move the patient above or away from the hospital bed. A disadvantage of such apparatus is that more than one person is generally required to operate the lifting apparatus in order to manipulate the patient. Also, since the apparatus must be wheeled so as to move the patient onto or off the hospital bed one person is even less likely to be able to safely perform the task. Once moved away from the hospital bed the patient may be lowered into a wheelchair or commode or bedside bath or the like. A further disadvantage of mobile lifting apparatus is that they are generally stored at a distance from where they are required for use. Also, a person desiring to use the mobile lifting apparatus must first find it, as it may have been moved to another part of the hospital. Due to these difficulties nursing staff often move patients by hand so as to save time and back injuries to the staff tend to occur as a result.
It is desired to overcome these problems by providing a hoist mounted upon a bed for raising and lowering a person above and beside the bed.
The sick and infirm receive treatment in hospitals, nursing homes, permanent care institutions, retirement villages and their private homes. A wide range of beds are designed to meet the individual needs of these various situations. It has been found in practice and by calculation that these beds have not been adequately designed to operate under the stresses placed upon them by the use of bed mounted hoists. Accordingly, it is generally necessary to reinforce the bed. The manner in which the reinforcement is undertaken depends on the type of bed. For example, an existing bed may have reinforcing braces conveniently welded onto its frame or its base in the region of mounting of the hoist. Alternatively, a portion of the frame or the base could be removed and replaced with metal beams of greater strength and rigidity. A new bed may be manufactured with metal of greater strength and rigidity.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide a lifting apparatus capable of removable location on a bed so that it is always available for moving the patient onto and off the bed.
In accordance with one aspect of the present invention there is provided a lifting apparatus for moving an object onto and off a bed, the lifting apparatus characterised in that it comprises:
a mast mounted on the bed for pivoting about a substantially vertical axis;
a jib pivotably attached proximate a top of the mast such that a free end of the jib can be disposed higher than the top of the mast, the jib allowing raising and lowering of the object; and,
a lifting member attached between the mast and the jib for pivoting about a substantially horizontal axis for effecting raising and lowering of the free end of the jib for raising and lowering the object;
the mast having an elbow located intermediate its length and the jib having an elbow located intermediate its length, the elbow of the jib being pivotably attached to the top of the mast and one end of the lifting member being attached proximate the elbow of the mast and the other end of the lifting member being attached proximate a second end of the jib remote from the free end;
whereby, in use, the mast can be pivoted about a vertical axis between a first position for raising and lowering the object with the jib above the bed and a second position for raising and lowering the
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