A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 31/12 (2006.01) A47C 27/10 (2006.01)
Patent
CA 2212661
An apparatus for supporting a body portion in a preferred embodiment having a plurality n of inflatable members Mi (i = 1, ..., n) in a desired configuration. Each member is individually adjustable to a desired pressure from a pressure source. The apparatus also has a pressure-sensing arrangement for sensing the pressure in each of the members Mi. Furthermore, the apparatus has a control arrangement for adjusting the pressure in the members Mi according to a protocol including the steps of initially inflating each member Mi until a predetermined condition has been achieved, determining the pressure Poj (j = i) of each member Mi resulting after initial inflation, determining the desired pressure PDi of each member Mi as a function Fi of the pressures Poj (j = 1, ..., n) obtained in step (ii), such that PDi = Fi(P01, ..., PDn) and adjusting the pressure of each member (Mi to a final pressure PFi that matches the desired pressure previously determined for such member such that PFi = PDi = Fi(P01, ..., PDn).
Un appareil destiné à supporter une partie du corps, selon un mode préféré de réalisation, comporte une pluralité n d'éléments gonflables M¿i? (i = 1, ..., n) disposés selon une configuration désirée. Chaque élément peut se régler individuellement à une pression désirée provenant d'une source de pression. L'appareil comporte également un dispositif de détection de pression qui détecte la pression dans chacun des éléments M¿i?. L'appareil comporte de plus un dispositif de réglage servant à ajuster la pression dans les éléments M¿i? selon un protocole consistant d'abord à gonfler chaque M¿i? jusqu'à obtention d'un état prédéterminé, à déterminer la pression P¿oj? (j = i) de chaque élément M¿i? obtenu après gonflage initial, à déterminer la pression désirée P¿Di? de chaque élément M¿i? selon une fonction F¿i? des pressions P¿oj? (j = 1, ..., n) obtenues à l'étape (ii) de sorte que P¿Di? = F¿i?(P¿01?, ..., P¿Dn?), et à ajuster la pression de chaque élément M¿i? à une pression finale P¿Fi? qui correspond à la pression désirée déterminée auparavant pour cet élément de sorte que P¿Fi? = P¿Di? = F¿i?(P¿01?, ..., P¿Dn?).
Cassar Thomas J.
Gross Clifford J.
Lu Cindy Hongzheng
Bcam International Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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