Adjustable length breathing circuit

Details Adjustable length breathing circuit Adjustable length breathing circuit

A - Human Necessities

61

M

A61M 16/00 (2006.01) A62B 7/00 (2006.01)

Patent

CA 2552360

A unilimb breathing circuit has a proximal end coupling member, a distal end coupling member, an expiratory tube extending between the proximal and distal end coupling members, and an inspiratory tube extending between the proximal and distal end coupling members. The expiratory tube is a corrugated expiratory tube that is expandable between a fully compressed rest position, and a fully expanded rest position, and has a plurality of intermediate rest positions. At the plurality of intermediate rest positions, the expiratory tube is capable of maintaining its rest length without the exertion of an external force. The inspiratory tube is a corrugated inspiratory tube having a length that is variable between a fully compressed rest position and a fully expanded rest position, and includes a plurality of intermediate rest positions between the fully expanded rest position and the fully compressed rest position. The inspiratory tube is also capable of maintaining these intermediate rest positions without the exertion of an external force.

L'invention concerne un circuit respiratoire monobloc qui comprend un élément de raccordement d'extrémité proximale, un élément de raccordement d'extrémité distale, un tube expiratoire reliant les éléments de raccordement des extrémités proximale et distale et un tube inspiratoire reliant les éléments de raccordement des extrémités proximale et distale. Le tube respiratoire est un tube respiratoire ondulé qui est expansible et peut passer d'une position de repos comprimée à bloc à une position de repos complètement déployée et qui comprend une pluralité de positions de repos intermédiaires. Le tube respiratoire peut conserver pluralité ces positions de repos intermédiaires de repos sans exercer de force extérieure. Le tube inspiratoire est un tube inspiratoire ondulé dont la longueur peut varier entre une position de repos comprimée à bloc et une position de repos complètement déployée et comprend une pluralité de positions de repos intermédiaires entre la position de repos complètement déployée et la position de repos comprimée à bloc. Le tube inspiratoire peut également conserver ces positions de repos intermédiaires sans exercer de force extérieure.

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