Arrangement comprising a catheter and connector piece, and...

Details Arrangement comprising a catheter and connector piece, and... Arrangement comprising a catheter and connector piece, and...

A - Human Necessities

61

M

A61M 16/08 (2006.01) A61M 16/04 (2006.01) A61M 16/20 (2006.01)

Patent

CA 2602251

To provide an access route which is leaktight and at the same time permits mobility and exact positioning of an instillation catheter (6), an arrangement comprising an instillation catheter (6) and a connector piece (1) for attachment to a tracheal or endotracheal tube is proposed. The connector piece (1) has a distal end (1a) for attachment to the tube, and a proximal end (1b) for attachment to a ventilation and/or suction device and comprises a branch (5) which serves for insertion of the catheter (6) and in which a valve (2) is arranged. The valve (2) is made, at least in some areas, from an elastically deformable material and can be opened by insertion of the catheter (6). The valve further comprises a proximal through-opening (21) whose inner wall has a means allowing sealing against axial flow of fluid between catheter (6) and inner wall, and, in the distal direction from the through-opening, it has a beak section (22) which, at its beak tip (23), has a normally closed slit (24).

Pour former une voie d'accès qui soit étanche et, en même temps, permette la mobilité et le positionnement exact d'un cathéter d'instillation (6), le dispositif de l'invention comprend: un cathéter d'instillation (6) et une pièce de raccordement (1) qui se fixe à un tube trachéal ou endotrachéal. La pièce de raccordement (1) comporte une extrémité distale (1a) qui se fixe au tube st une extrémité proximale (1b) qui se fixe à un dispositif de ventilation et/ou d'aspiration et comprend une ramification (5) qui sert à insérer le cathéter (6) et dans lequel est placé une valve (2). La valve (2) est fabriqués, au moins dans certaines parties, dans un matériau à déformation élastique et peut s'ouvrir lors de l'insertion du cathéter (6). La valve comprend également un trou traversant proximal (21) dont la paroi interne comporte un élément formant une étanchéité par rapport à l'écoulement axial du fluide passant entre le cathéter (6) et la paroi interne et, dans le sens distal, à partir du trou traversant, elle comporte une section en forme de bec (22) qui, à son extrémité (23), présente un passage fermé au repos (24).

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