Beds – Invalid bed or surgical support – Tiltable along a transverse axis
Reexamination Certificate
2005-02-08
2005-02-08
Trettel, Michael F. (Department: 3673)
Beds
Invalid bed or surgical support
Tiltable along a transverse axis
C005S611000, C005S616000, C005S109000
Reexamination Certificate
active
06851144
ABSTRACT:
A power-controlled bed mainly includes an upper bed frame on which a mattress divided into movable back, thigh, and leg rest parts and a fixed hip rest part is supported; a lower bed frame; at least one lifting mechanism pivotally connected at upper and lower ends to the upper and the lower bed frames, respectively; and a microcomputer controller for controlling operation of the lifting mechanism. The lifting mechanism may be manually controlled for the upper bed frame to statically stay at different positions, or be automatically controlled via the controller to dynamically shift the upper bed frame between two or more selected position combinations, so that the force of gravity is well utilized in the movements of the bed to promote a user's blood circulation, help clearing of sputum, enable sufficient supply of oxygen to the brain, do rehabilitation exercises, etc.
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patent: 5615255 (1997-03-01), Lemieux
patent: 5940911 (1999-08-01), Wang
patent: 6353949 (2002-03-01), Falbo
Trettel Michael F.
Troxell Law Office PLLC
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