申请人:Aundal T. Knud
公开号:US20050187430A1
公开(公告)日:2005-08-25
In general, the invention is directed to a balloon catheter system for intra-luminal or intra-cavity pressure measurements. In accordance with the invention, the balloon catheter system provides a closed fluid charging mechanism to charge and discharge a balloon mounted on the catheter. More particularly, the charging mechanism may include a closed reservoir, a passage, and an actuator that acts to drive fluid out of the reservoir and through the passage. A lumen within a catheter may transport fluid from the passage to charge the balloon. The pressure monitoring catheter system may take pressure measurements when the balloon is charged. Discharging the balloon may include withdrawing the actuator from the charging mechanism, which fills the reservoir with fluid from the balloon. In addition, a seal member may be used in the pressure monitoring catheter system to provide a more sealed environment for holding and transporting fluid.
总的来说,本发明涉及一种用于腔内或腔内压力测量的球囊导管系统。根据本发明,球囊导管系统提供了一个封闭的流体充注机构,用于充注和排放安装在导管上的球囊。更具体地说,充注机构可包括一个封闭的储液器、一个通道和一个驱动流体从储液器中流出并通过通道的致动器。导管内的管腔可从通道中输送流体,为球囊充能。压力监测导管系统可在球囊充气时进行压力测量。排出球囊可包括将致动器从充气机构中撤出,从而用来自球囊的流体填充储液器。此外,压力监测导管系统中还可使用密封部件,为容纳和输送流体提供更加密封的环境。