A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/00 (2006.01)
Patent
CA 2497858
The present invention (60) is directed to a catheter (61) that is configured to self-regulate aspiration rates through a working lumen (63) of the catheter (60). The catheter (60) comprises a compliant member (74) in communication with the working lumen (63) that is configured to transition from an open position to a closed position when a predetermined aspiration threshold is exceeded. In the closed position, the compliant member (74) is temporarily drawn inward to at least partially occlude flow through the working lumen (63), thereby mitigating the rate of aspiration imposed upon a patient's vessel. When the rate of aspiration is reduced below the threshold level, the compliant member (74) returns to the open position.
La présente invention concerne un cathéter configuré pour réguler spontanément la vitesse d'aspiration par une lumière de travail du cathéter. Ce cathéter comprend, communiquant avec la lumière de travail, un élément compliant capable de transition de position ouverte à position fermée en cas de dépassement d'un seuil d'aspiration défini. En position fermée, l'élément compliant est temporairement aspiré vers l'intérieur de façon à occlure au moins partiellement le passage par la lumière de travail, ce qui permet d'atténuer la vitesse d'aspiration imposée à la cavité anatomique du patient. Dès que la vitesse d'aspiration repasse en dessous du seul, l'élément compliant revient en position ouverte.
Gore Enterprise Holdings Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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