Multiple-type catheter connection system

A - Human Necessities – 61 – M

Patent

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Details

A61M 39/12 (2006.01) F16L 33/22 (2006.01) A61M 39/02 (2006.01)

Patent

CA 2222021

A catheter connection system (32, 340, 394, 634) is defined by a rigid, tubular stem (34, 278, 288, 318, 342, 396, 496, 530, 574, 612) attached at a proximal end thereof to a medical device (016, 222, 246, 274, 312, 366, 636). The stem has one or more engagement barbs (49, 226, 254, 280, 290, 320, 358, 408, 466, 538, 586) encircling and radially, outwardly extending on an exterior surface of the stem. The engagement barbs can be configured having a variety of different sizes and positions. A locking barb (50, 228, 258, 294, 322, 360, 412, 472, 510, 541, 632) also encircles and radially, outwardly extends on the exterior surface of the stem. The locking barb is positioned between the medical device and the engagement barbs. A variety of fastening assemblies (57, 300, 304, 328, 414, 480, 492, 555, 600) are provided for inwardly compressing a portion of a body wall (53, 83, 376) of a selected catheter (54, 58, 244, 302, 330, 386, 416, 474, 518, 544, 594), chosen from two or more catheters, against the engagement barbs or locking barb on the stem when the stem is received in the lumen (54, 58, 244, 302, 330, 386, 416, 474, 518, 544, 594) of the selected catheter. The fastening assemblies create a mechanical joinder and liquid-tight seal between the selected catheter and the stem.

Cette invention concerne un dispositif de raccordement de cathéter (32, 340, 394, 634) défini par une tige tubulaire rigide (34, 278, 288, 318, 342, 396, 496, 530, 574, 612) fixée au niveau de l'extrémité proximale dudit dispositif qui permet le raccordement à un dispositif médical (016, 222, 246, 274, 312, 366, 636). Ladite tige comporte au moins une barbe d'accouplement (49, 226, 254, 280, 290, 320, 358, 408, 466, 538, 586) encerclant la tige et formant une extension radiale à la surface extérieure de la tige. Les barbes d'accouplements peuvent être conçues suivant une variété de tailles et de positions différentes. Une barbe de blocage (50, 228, 258, 294, 322, 360, 412, 472, 510, 541, 632) encercle également la tige et forme une extension radiale à la surface extérieure de ladite tige. Cette barbe de blocage est placée entre le dispositif médical et les barbes d'accouplement. Divers ensembles de fixation (57, 300, 304, 328, 414, 480, 492, 555, 600) permettent de comprimer une partie d'une paroi (53, 83, 376) du corps d'un cathéter sélectionné (54, 58, 244, 302, 330, 386, 416, 474, 518, 544, 594), choisi parmi au moins deux cathéters, contre les barbes d'accouplement ou la barbe de blocage de la tige lorsque ladite tige est insérée dans la lumière (54, 58, 244, 302, 330, 386, 416, 474, 518, 544, 594) du cathéter sélectionné. Ces ensembles de fixation constituent une jonction mécanique et un joint étanche aux liquides entre le cathéter sélectionné et la tige.

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