Beds – With means for relocating an invalid – Horizontally sliding patient support surface
Patent
1992-12-17
1994-05-10
Trettel, Michael F.
Beds
With means for relocating an invalid
Horizontally sliding patient support surface
5 861, 5 871, A61G 710
Patent
active
053095847
ABSTRACT:
An invalid hoist comprises a pivoted jib (3) for carrying an under arm-sling (13), which is arranged when pivoted to lift a user from a sitting position to a standing position and vice versa. The hoist includes knee engaging means (5) and is preferably mounted on a movable chassis (1). The arrangement is such that the movement of the user's upper body from a sitting position to a standing position always involves a substantial forward component. In preferred embodiments, this is achieved by locating the pivot (15) at substantially the level of a user's waist, by having a jib (3) which is at least twice the length of the distance between the knee joint and the hip joint, and by spacing the pivot (15) backwardly from the knee engaging means (5).
REFERENCES:
patent: 3277502 (1966-10-01), Wauthier
patent: 3629880 (1971-12-01), van Rhyn
patent: 4682377 (1987-07-01), Reich
patent: 4712257 (1987-12-01), James
patent: 4918771 (1990-04-01), James
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