A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/092 (2006.01)
Patent
CA 2628417
A reinforced medical catheter (10) includes an elongated tubular outer wal! reinforced by an internal helical coil spring (36). Successive loops of the coil spring adjoining the distal end are longitudinally separated, and a working lumen extends longitudinally through the catheter. A longitudinally extending reinforcing cable is captured in the tubular outer wall against the exterior of the coil spring. A steering cable operably interconnected with the distal end of the coil spring extends proximally from the distal end of the coil spring freely through the working lumen to the proximal end of the catheter. The reinforcing cable and the steering cable may constitute a continuous elongated filament. Withdrawing the steering cable proximally through the working lumen causes the distal tip of the catheter to be deflected laterally.
La présente invention concerne un cathéter médical renforcé qui comprend une paroi externe tubulaire allongée renforcée par un ressort hélicoïdal interne. Des boucles successives du ressort jouxtant l~extrémité distale sont séparées longitudinalement, et une lumière de travail s~étend longitudinalement à travers le cathéter. Un câble de renfort s~étendant longitudinalement est capturé dans ladite paroi contre l~extérieur dudit ressort. Un câble de direction interconnecté de manière opérationnelle avec l~extrémité distale dudit ressort s~étend de manière proximale à partir de l~extrémité distale dudit ressort librement à travers la lumière de travail vers l~extrémité proximale du cathéter. Le câble de renfort et le câble de direction peuvent former un filament allongé continu. En tirant sur le câble de direction de manière proximale à travers la lumière de travail, on amène la pointe distale du cathéter à être déviée latéralement.
Custom Medical Applications Inc.
Heenan Blaikie Llp
LandOfFree
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