Patent ID: 8512302
Filing Date: 2013-08-20
Classification: A61F,A61M

Abstract:
1. An aspiration flow control device for an ophthalmic microsurgical system comprising: a housing defining an enclosed volume, the housing having at least two vacuum ports adapted to be connected to a vacuum source, at least one aspiration port adapted to be connected to an aspiration line for receiving fluids from a surgical site, and an ejection port; and a structure configured to rotate within the housing, having at least three vanes that divide the enclosed volume within the housing into at least three rotating fluid collection chambers, wherein during rotation of the structure at least one fluid collection chamber is in communication with the at least one aspiration port and at least one vacuum port, and at least one other fluid collection chamber is simultaneously in communication with the ejection port through which fluid is expelled, whereby rotation of the structure permits continuous receiving and expelling of aspirated fluids by the at least three rotating fluid collection chambers.