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    • 1. 发明申请
    • Device for mixing anesthetic vapor with anesthetic gas
    • 麻醉气体与麻醉气体混合的装置
    • US20060090750A1
    • 2006-05-04
    • US11190313
    • 2005-07-27
    • Thomas RossenKarl-Ludwig GippertMichael HeidschmidtJurgen MullerRainer Kunz
    • Thomas RossenKarl-Ludwig GippertMichael HeidschmidtJurgen MullerRainer Kunz
    • A61M11/00
    • A61M16/18A61M2205/70
    • An anesthetic evaporator with a pressure control circuit has a differential pressure pick-up (18) can be calibrated in a simple manner. A switchover device (20) is provided according to the present invention at a bypass gap (3), which is designed to connect the gas inlet (4) directly with the gas outlet (5) via a first bypass line (23) and to bridge over the bypass gap (3) via a second bypass line (26) connected to a ventilation duct (27) in a first switching position. The gas flow from the gas inlet (4) to the gas outlet (5) is established via the bypass line (2) in a second switching position. The calibration of the differential pressure pick-up (18) with the pneumatic connections (16, 17) is performed in the first switching position of the switchover means (20) via the ventilation duct (27), which is open toward the ambient atmosphere.
    • 具有压力控制电路的麻醉蒸发器具有差压检测器(18),可以以简单的方式进行校准。 根据本发明的切换装置(20)设置有旁通间隙(3),其被设计成经由第一旁通管线(23)将气体入口(4)直接与气体​​出口(5)连接,并且 通过连接到第一切换位置的通风管道(27)的第二旁路管线(26)跨越旁路间隙(3)。 在第二切换位置通过旁路管线(2)建立从气体入口(4)到气体出口(5)的气流。 利用气动连接(16,17)对差压检测器(18)进行校准,是在切换装置(20)的第一切换位置经由向周围大气开放的通风管道(27)进行的 。
    • 3. 发明申请
    • Process and system for monitoring the valves of an anesthetic dispenser
    • 用于监测麻醉剂分配器的阀的过程和系统
    • US20060090758A1
    • 2006-05-04
    • US11206879
    • 2005-08-18
    • Jurgen MullerRainer Kunz
    • Jurgen MullerRainer Kunz
    • A61M15/00
    • A61M16/18A61M2016/0027A61M2016/1035A61M2205/17
    • A system and process are provided for monitoring the valves of an anesthetic dispenser with a safety valve (2) and with a dispensing valve (3) for dispensing the anesthetic in the form of a vapor. The valves are connected in series. A system has a downstream dispensing gap (5) and a fixed bypass resistance (9). The system and process include the steps: a) the dispensing valve (3) is first opened for an equalization time, b) the safety valve (2) and the dispensing valve (3) are closed and the differential pressure between the saturated vapor branch (4) and the mixed gas branch (8) is measured by means of a differential pressure sensor (6, 7), c) the safety valve (2) or the dispensing valve (3) is opened and the differential pressure between the saturated vapor branch (4) and the mixed gas branch (8) is measured by means of the differential pressure sensor (6, 7), d) the opened safety valve (2) or the opened dispensing valve (3) is closed and the difference between the differential pressures measured in steps b) and c) is determined and compared with a preset limit value, so that e) the valve (2, 3) that is not opened in step c) is considered to be tight when the difference is below this limit value.
    • 提供了一种系统和方法,用于利用安全阀(2)和用于以蒸气形式分配麻醉剂的分配阀(3)来监测麻醉剂分配器的阀。 阀门串联连接。 系统具有下游分配间隙(5)和固定旁路电阻(9)。 该系统和方法包括以下步骤:a)首先打开分配阀(3)以达到均衡时间,b)安全阀(2)和分配阀(3)关闭,饱和蒸汽分支 (4)和混合气体分支(8)通过差压传感器(6,7)进行测量,c)安全阀(2)或分配阀(3)打开,饱和的压差 蒸气分支(4)和混合气体分支(8)通过差压传感器(6,7)进行测量,d)打开的安全阀(2)或打开的分配阀(3)关闭, 在步骤b)和c)中测量的压差之间确定并与预设极限值进行比较,使得e)当步骤c)中未打开的阀(2,3)在步骤c)中被打开时被认为是紧的, 低于此限值。