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2. 发明申请

WO1990011040A2 SYSTEM AND METHOD FOR MONITORING, DISPLAYING AND RECORDING BALLOON CATHETER INFLATION DATA 审中-公开
标题翻译：用于监测，显示和记录气瓶导管器充气数据的系统和方法
公开(公告)号：WO1990011040A2
公开(公告)日：1990-10-04
申请号：PCT/US1990001331
申请日：1990-03-12
申请人： MERIT MEDICAL SYSTEMS, INC.
发明人： MERIT MEDICAL SYSTEMS, INC. , FOOTE, Jerrold, L. , GILL, Darla, R. , LAMPROPOULOS, Fred, P.
IPC分类号： A61B0
CPC分类号： A61M25/10187 , A61M25/10182 , A61M25/10188 , G01D9/00
摘要： An electronically controlled syringe system (14) for connection to a balloon catheter (10) or other balloon-type member and for automatically monitoring, displaying and recording inflation data when the syringe system (14) is used to inflate the balloon catheter (10) or other balloon-type member. A syringe (16) having a barrel (22) and a syringe plunger (24) is selectively operable to increase fluid pressure applied to the balloon catheter (10) or other balloon member by sliding the plunger (24) further into the barrel (22). Positive pressure applied to the balloon catheter (10) or member can be released by withdrawing the syringe plunger (24) toward the rear of the barrel (22). A piezoresistive semiconductor transducer (18) housed on the barrel (22) of the syringe (16) senses positive fluid pressure applied by the syringe (16). The electric signal output by the transducer (18) is input to a controller (20) where the signal is digitally processed so as to derive and record therefrom electronic data representing the magnitude of applied fluid pressure, and so as also to derive the length of time that positive fluid pressure is applied and the electronic data representing this information is automatically displayed and recorded. The controller (20) is also programmable to permit optional selection and input of various control parameters, such as a maximum positive inflation pressure that is to be applied, maximum duration for applying positive inflation pressure, initialization of the date and time of an inflation procedure and/or retrieving and displaying inflation data previously recorded for any prior inflation of the balloon catheter (10) or other balloon member.

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