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1. 发明授权

US07845235B2 Non-invasive system and method for measuring vacuum pressure in a fluid 失效
标题翻译：用于测量流体中真空压力的非侵入性系统和方法
公开(公告)号：US07845235B2
公开(公告)日：2010-12-07
申请号：US12291142
申请日：2008-11-06
申请人： Costin Sandu , Tate Parham
发明人： Costin Sandu , Tate Parham
IPC分类号： G01L13/02
CPC分类号： A61F9/00745 , A61B2090/064
摘要： A noninvasive system and method for measuring vacuum pressure in a fluid in accordance with the present invention generally includes a chamber with two interconnected diaphragms having different surface areas and a force transducer that makes contact with the smaller area diaphragm. When a pressure level less than atmospheric occurs inside the chamber, the smaller area diaphragm presses with a force on the force sensor. As the pressure level in the chamber decreases, the force on the sensor increases. The present system is intended for, but not limited to, use in a Phacoemulsification machine, where it will serve to measure the vacuum in a fluid without contaminating the fluid with previous uses of the system or with any components of the system which are unable to undergo a sterilization process.
摘要翻译：根据本发明的用于测量流体中的真空压力的非侵入式系统和方法通常包括具有两个具有不同表面积的互连隔膜的室和与较小区域隔膜接触的力传感器。当在室内发生低于大气压的压力时，较小的区域隔膜用力传递到力传感器上。随着室内的压力降低，传感器上的力增加。本系统旨在用于但不限于在晶状体乳化机中的用途，其将用于在流体中测量真空，而不会先前使用系统或与系统的任何部件不会污染流体，这些组件不能进行灭菌过程。

2. 发明申请

US20090114027A1 Non-invasive system and method for measuring vacuum pressure in a fluid 失效
标题翻译：用于测量流体中真空压力的非侵入性系统和方法
公开(公告)号：US20090114027A1
公开(公告)日：2009-05-07
申请号：US12291142
申请日：2008-11-06
申请人： Costin Sandu , Tate Parham
发明人： Costin Sandu , Tate Parham
IPC分类号： G01L13/02
CPC分类号： A61F9/00745 , A61B2090/064
摘要： A noninvasive system and method for measuring vacuum pressure in a fluid in accordance with the present invention generally includes a chamber with two interconnected diaphragms having different surface areas and a force transducer that makes contact with the smaller area diaphragm. When a pressure level less than atmospheric occurs inside the chamber, the smaller area diaphragm presses with a force on the force sensor. As the pressure level in the chamber decreases, the force on the sensor increases. The present system is intended for, but not limited to, use in a Phacoemulsification machine, where it will serve to measure the vacuum in a fluid without contaminating the fluid with previous uses of the system or with any components of the system which are unable to undergo a sterilization process.
摘要翻译：根据本发明的用于测量流体中的真空压力的非侵入式系统和方法通常包括具有两个具有不同表面积的互连隔膜的室和与较小区域隔膜接触的力传感器。当在室内发生低于大气压的压力时，较小的区域隔膜用力传递到力传感器上。随着室内的压力降低，传感器上的力增加。本系统旨在用于但不限于在晶状体乳化机中的用途，其将用于在流体中测量真空，而不会先前使用系统或与系统的任何部件不会污染流体，这些组件不能进行灭菌过程。

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