发明名称 |
FLOW CONTROL SYSTEM BASED ON LEAKAGE |
摘要 |
<p>An ophthalmic surgical system utilizes a needle through which fluid is aspirated from a surgical site, and a sleeve coaxially received over the needle to define a flow passage between the sleeve and needle through which fluid is communicated to the surgical site. The system further includes a container that provides an adjustable infusion pressure for urging the flow of irrigation fluid to the surgical site. An aspiration pump urges aspiration of fluid from the surgical site, and a sensor detects the rate of aspiration flow. A controller is configured to calculate an intraocular eye pressure based on the infusion pressure and a pressure drop due to a resistance to the flow rate, which flow includes the sensed flow rate and a predicted leakage selected from a look-up table based on a size of the needle, a size of a sleeve, and a size of an incision through which the needle and the sleeve are placed.</p> |
申请公布号 |
EP2379126(A2) |
申请公布日期 |
2011.10.26 |
申请号 |
EP20090764972 |
申请日期 |
2009.12.04 |
申请人 |
BAUSCH & LOMB INCORPORATED |
发明人 |
CULL, LAURENCE, J.;PERKINS, JAMES, T.;FINLAY, RUSS |
分类号 |
A61F9/007;A61M1/00 |
主分类号 |
A61F9/007 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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