| US 7,544,178 B2 | ||
| Method for controlling fluid flow to and from an eye during ophthalmic surgery | ||
| Kenneth E. Kadziauskas, Coto de Caza, Calif. (US); and Mark S. Cole, Trabuco Canyon, Calif. (US) | ||
| Assigned to Advanced Medical Optics, Inc., Santa Ana, Calif. (US) | ||
| Filed on Oct. 24, 2003, as Appl. No. 10/692,832. | ||
| Application 10/692832 is a division of application No. 10/414950, filed on Apr. 15, 2003, granted, now 7,001,356. | ||
| Application 10/414950 is a division of application No. 09/918749, filed on Jul. 31, 2001, granted, now 6,579,255. | ||
| Prior Publication US 2004/0097868 A1, May 20, 2004 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A61M 1/00 (2006.01) | ||
| U.S. Cl. 604—28 [604/506] | 9 Claims |
| 1. A method for controlling fluid flow to and from an eye during ophthalmic surgery, said method composing the steps of:
introducing irrigation fluid into an eye via a bi-directional positive displacement pump;
determining initial irrigation fluid pressure;
adjusting a maximum vacuum setting based on the determined initial irrigation fluid pressure;
continuously determining irrigation fluid pressure after the initial determination; and
continuously adjusting the maximum vacuum setting based on the continuous determination of irrigation fluid pressure.
|