A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 1/018 (2006.01) A61B 17/34 (2006.01) A61M 39/06 (2006.01)
Patent
CA 2145380
An endoscopic portal includes a portal sleeve for insertion through a cavity wall and a valve assembly coupled with the portal sleeve including a bladder having a valve passage therethrough for introduction of instruments of various sizes into the cavity, the bladder having walls forming the valve passage and being normally closed while permitting the valve passage to open to receive the instruments. The bladder is movable by contact with the instruments to move along with the instruments to maintain sealing contact of the bladder with the instruments.
Un dispositif d'introduction endoscopique comprend un manchon porte pouvant être introduit à travers la paroi d'une cavité et un ensemble de soupapes joint au manchon porte, comprenant une vessie traversée par un conduit de soupape de façon à permettre l'introduction d'instruments de tailles diverses dans la cavité; la vessie présente des parois formant le conduit de la soupape qui sont habituellement fermées tout en permettant le conduit de la soupape de s'ouvrir pour recevoir les instruments. La vessie peut se déplacer au contact des instruments, suivant leur mouvement, de manière à assurer un contact hermétique de la vessie avec les instruments.
Macrae & Co.
Yoon Inbae
LandOfFree
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