Aspiration system for ophthalmic medical devices

Details Aspiration system for ophthalmic medical devices Aspiration system for ophthalmic medical devices

A - Human Necessities

61

F

A61F 9/007 (2006.01)

Patent

CA 2633378

An ophthalmic aspiration system that can be used with a hand piece and a vacuum source. The aspiration system includes a first tube that is connected to the hand piece and a second tube that is connected to a vacuum source. A filter assembly is connected to both tubes to filter out particles aspirated into the system. The second tube has an inner diameter smaller than an inner diameter of the first tube. The smaller second tube limits the amount of flow through the system to minimize vacuum surges caused by occlusions.

Selon la présente invention, un système d'aspiration ophtalmique est utilisé avec une pièce à main et une source à vide. Ce système d'aspiration comprend un premier tube relié à ladite pièce à main et un second tube relié à une source à vide. Un ensemble de filtre est relié aux deux tubes de manière à filtrer des particules aspirées dans le système. Le second tube présente un diamètre interne inférieur à celui du premier tube. Ledit second tube plus petit limite ainsi le débit à travers le système afin de minimiser les ondes de vide provoquées par des occlusions.

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