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    • 7. 发明申请
    • GAUGE
    • 测量
    • WO0014499B1
    • 2000-05-18
    • PCT/US9920856
    • 1999-09-10
    • BOEHRINGER LAB INC
    • BOEHRINGER JOHN RKARPOWICZ JOHNHEGEDUS MICHAEL I
    • A61M1/00G01L7/08G01L19/00G01L7/16
    • A61M1/0031A61M1/0027G01L7/166G01L19/0636G01L19/0645
    • A gauge (10) is provided, preferably for patient use, in which a piston (44) moves linearly within a gauge body (36) against the force of a spring (43). A diaphragm (50) separates the sensing side of the piston (44) from the clean or atmosphere side of the piston (44). The diaphragm (50) rolls against the piston (44) and the wall of the chamber (47) during changes in pressure, and does not interfere with accuracy of the readings. Dampening is provided out of the patient fluid stream (38). The sight glass (15) through which measurements are read produces an optical magnification. A baffle (28) prevents entrained particles from the patient from entering the gauge (10) in significant amounts. A surface-to-surface seat enables the gauge (10) to be mounted as a saddle seat (33) on a duct (40), regulator or the like.
    • 提供优选用于患者使用的量规(10),其中活塞(44)克服弹簧(43)的力在测量器本体(36)内线性移动。 隔膜(50)将活塞(44)的感测侧与活塞(44)的清洁或大气侧分离。 在压力变化期间,隔膜(50)在活塞(44)和室(47)的壁上滚动,并且不干扰读数的准确性。 从患者流体流(38)中提供阻尼。 读取测量的观察窗(15)产生光学放大倍数。 挡板(28)防止来自患者的夹带的颗粒大量进入量规(10)。 表面到座椅使得量规(10)能够作为鞍座(33)安装在管道(40),调节器等上。