A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 9/007 (2006.01) A61M 1/00 (2006.01)
Patent
CA 2602469
A device for achieving high vacuum stability during phacoemulsification surgery includes a main aspiration line connected to a vacuum source which enables a fluid flow from a phacoemulsification handpiece tip to a drainage reservoir. A first tubing segment is provided in the main aspiration line along with a second tubing segment generally parallel to the first tubing section and a valve disposed in the second tubing segment regulates fluid flow through the second tubing segment in order to limit vacuum surge in the main aspiration line upon clearing of an occlusion in the phacoemulsification handpiece tip.
L'invention concerne un appareil pour réaliser un porte-outil sous vide poussé durant une intervention chirurgicale de phacoémulsification. L'appareil inclut une tubulure principale d'aspiration connectée à une source aspirante qui permet à un fluide de s'écouler de l'embout d'une pièce à main de phacoémulsification vers un réservoir de drainage. Un premier segment de tubulure se trouve dans la tubulure principale d'aspiration avec un deuxième segment de tubulure généralement parallèle à la première section de tubulure et une valve placée dans le deuxième segment de tubulure régule le flux de liquide à travers le deuxième segment de tubulure afin de limiter la surpression d'aspiration dans la tubulure principale d'aspiration au moment de l'évacuation d'une occlusion dans l'embout de la pièce à main de phacoémulsification.
Abbott Medical Optics Inc.
Advanced Medical Optics Inc.
Gowling Lafleur Henderson Llp
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