Auxiliary inflatable device serving as mattress
Patent 5121512 Issued on June 16, 1992. Estimated Expiration Date: 
July 15, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 15, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3775781 Bedsore preventing apparatus Air-operated body support device Patent #: 4953247 InventorApplicationNo. 730841 filed on 07/15/1991US Classes:5/713, Variably pressurizable chambers (e.g., with pump)5/714, With substantial ventilation or gas loss5/715Adapted to turn or move userExaminersPrimary: Grosz, AlexanderAttorney, Agent or FirmForeign Patent References
International ClassesA61G 007/057A47C 027/10 Foreign Application Priority Data1989-01-03 SEAbstractThe invention relates to an auxiliary device serving as mattress and consisting of a number of cells (4) fixed to a mattress bottom and extending along the mattress. The cells are individually fillable and evacuable for changing the position of a patient lying on the mattress. The auxiliary device has cloth portions (7; 9) connecting to cells to each other and to the mattress bottom (8) so as to permit substantial lateral movements of the cells relative to the mattress bottom and giving them a certain adaptability with respect to each other. | |
