Portable, self-contained apparatus for deep vein thrombosis...

A - Human Necessities – 61 – H

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Details

A61H 15/00 (2006.01) A61H 23/04 (2006.01)

Patent

CA 2374268

An entirely self-contained, patient-worn apparatus for deep vein thrombosis (DVT) prophylaxis, and other conditions includes an inflatable/deflatable bladder (102) disposed against an extremity such as the upper calf (109), foot, or hand of a patient, or within a cast. An inelastic member (106, 108) is preferably used to fully enclose the bladder and body part, such that compressive forces are directed substantially entirely against the body part of the patient when the bladder (102) expands, thereby conserving the power and reducing the volume of pneumatic compression required to operate the device. Given this conservation of energy, the invention may be battery operated from a source immediately proximate to the bladder arrangement, enabling the entire device to be self-contained and, in fact, worn by the patient. The reduced volume also allows the use of miniaturized components including the compressor motor and compressor.

L'invention concerne un appareil entièrement autonome, porté par le patient, destiné à la prophylaxie de la thrombose veineuse profonde (TVP), ainsi qu'à d'autres états, contenant une vessie gonflable/dégonflable (102) disposée contre une extrémité telle que le mollet (109), le pied ou la main d'un patient, ou à l'intérieur d'un moulage. Un élément inélastique (106, 108) est de préférence utilisé pour contenir entièrement la vessie et la partie du corps, de manière que des forces de compression soient dirigées sensiblement entièrement contre la partie du corps du patient lorsque la vessie (102) se dilate, économisant ainsi l'alimentation et réduisant le volume de compression pneumatique nécessaire à faire fonctionner le dispositif. Etant donné que l'on économise l'énergie, l'invention peut être commandée par batterie provenant d'une source se trouvant à proximité immédiate de la disposition de la vessie, permettant à tout le dispositif d'être autonome et, en fait, porté par le patient. Le volume réduit permet également l'utilisation de composants miniaturisés, notamment le moteur du compresseur et le compresseur.

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