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51.发明公开MONITORING AND CONTROL OF STERILIZATION PROCESSES WITH SEMICONDUCTOR SENSOR MODULES 失效监测和灭菌过程的控制与半导体传感器模块
公开(公告)号：EP0969881A1
公开(公告)日：2000-01-12
申请号：EP97931563.7
申请日：1997-07-02
发明人： STEWART, Bonnie , ZELL, Peter, E.
CPC分类号： A61L2/24 , A61L2/28 , G01N33/0036
摘要： A semiconductor sensing element (124) is mounted in a sterilization chamber (1). The composition of the sensor is selected such that one of its electrical characteristics, for example, capacitance or resistance, changes with concentration of a chemical sterilant within the chamber in real-time. A receiving unit (126) monitors the solid-state sensing element and stores a baseline electrical characteristic value corresponding to a baseline concentration of the sterilant at a first set of values of environmental parameters, for example, temperature, pressure, relative humidity, air-flow velocity, an oxidizing substance concentration, and combinations of these. The receiving unit compares changes in the real-time semiconductor sensing element electrical characteristic with the baseline characteristic value to provide a real-time indication of sterilant concentration. A sterilizer control (12) controls a concentration of sterilant in the sterilization chamber and other sterilization system parameters in accordance with the real-time sterilant concentration from the receiving unit. When one or more of the environmental parameters change, the sterilizer control causes the receiving unit to change the baseline electrical characteristic value to one corresponding to a new baseline sterilant concentration value for the new set of environmental parameters.
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公开(公告)号：EP0906125A1
公开(公告)日：1999-04-07
申请号：EP97930042.0
申请日：1997-06-13
CPC分类号： A61L2/208 , A61L2/24 , A61L2202/122 , A61L2202/24 , G05D23/1935
摘要： A vaporizer (18) vaporizes liquid hydrogen peroxide or other liquid sterilants to generate a decontaminant vapor. Heaters (60, 61, 62) control the temperature of the decontaminant vapor and a carrier gas such as air. The sterilant vapor passes from the vaporizer through an inlet port (12) of a sealable chamber (10), through the chamber, through an outlet port (14) and through a fluidic circuit (16) from the outlet port back to the inlet port. A converter (20) breaks down the hydrogen peroxide into water. Blowers (22a, 22b) circulate the carrier gas through the fluidic circuit. Monitors (44, 46, 48, 54) monitor temperature, relative himidity, vapor concentration, and pressure within the chamber. A processor (42) controls a pressure fine-tuning unit (70) which adds or removes air to adjust pressure and controls an adjustable dryer (24) in accordance with the monitored temperature, relative humidity, and vapor concentration.
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公开(公告)号：EP0721550B1
公开(公告)日：1997-07-16
申请号：EP94931758.0
申请日：1994-09-21
IPC分类号： F16L37/084 , A61B1/00
CPC分类号： F16L37/0841 , A61B1/00128 , Y10T403/599
摘要： This invention relates to a connector (1) for joining a rigid (2), fluid-carrying tube to a flexible tube (4). The present invention is particularly useful for the sterilization of endoscopes, which include such a rigid tube, including a hollow passage for the fluid flow of a sterilization vapor therethrough. This connector assembly comprises a connector body (10) which defines a housing. The housing includes a cavity which is designed to receive a piston (30), capable of back and forth movement within this cavity. This piston (30) includes a biasing element (31) for urging the piston (30) into the forward direction of the cavity. The piston (30) is engaged with the end (30) of an endoscope tube (20) in the front of this cavity. The piston (30) further includes an orifice (33) which fluidly connects the endoscope tube (20) end to a flexible hose (4) in the back of this piston (30). The endoscope tube (2) is held in place by jaws (21) which slide back and forth in channels (13) in the front of the connector body (10), perpendicular to the piston cavity. These jaws (21) also include biasing elements (25) which urge the jaws (21) into mechanical engagement with the rigid tube (2). Since the jaws (21) in the piston are designed to accommodate a variety of endoscope tube sizes, this connector (1) permits fast, convenient coupling of the flexible hose (4) to the rigid endoscope (2), minimizing endoscope handling, and thus insuring a greater degree of sterility.
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54.发明公开
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公开(公告)号：EP0298694B1
公开(公告)日：1993-10-06
申请号：EP88306104.6
申请日：1988-07-05
摘要： A flow-through system for use with at least one sealable pressure or non-pressure container (12) can be used to selectively sterilise, humidify and aerate the container and can be integrally or releasably attached to the container. The system includes at least one liquid reservoir (36) for holding a sterilant, such as an aqueous solution of hydrogen peroxide. A second liquid reservoir (50) for holding water for humidification may be provided. The system also includes a unit (20) which houses a heater for vapourising incoming liquid and optionally heating incoming air and a converter for converting selected vapours to a form suitable for disposal. A vacuum pump (40) draws air from the container to reduce pressure therein so that air from an air supply (30) is drawn through an air filter (34) into the heater and into the container. A substantial portion of the withdrawn air from the container is diverted to the converter. The reduced pressure in the container may be sufficient for urging liquid from the reservoir (36) to the heater where the liquid is vapourised and carried by the stream of air into the container. Alternatively, a remaining portion of withdrawn air may be used to exert pressure within the liquid reservoir (36) to urge the liquid to the heater. Valves (38) are provided to selectively control liquid flow to the heater.
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公开(公告)号：EP0368981B1
公开(公告)日：1993-08-25
申请号：EP89906272.3
申请日：1989-05-04
发明人： ZELINA, Francis, J.
IPC分类号： A61G13/02
CPC分类号： A61G13/02 , G05B19/4063 , G05B2219/36544 , Y10T307/74
摘要： A medical table having an override circuit (54) includes control circuits for generating control signals in response to user input. Switches (SW1-SW6) are provided for generating control signals in response to user input. Mechanical actuators, responsive to the control signals, move the medical table. An override circuit (54) electrically isolates the control circuits from the mechanical actuators in response to the generation of control signals by the switches (SW1-SW6).
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公开(公告)号：EP0346436B1
公开(公告)日：1993-08-18
申请号：EP89901032.6
申请日：1988-12-16
发明人： CUMMINGS, Arthur, L.
CPC分类号： A61L2/24 , A61L2/20 , G01N25/66 , Y10S203/19
摘要： A system is provided for determining the concentration of a condensable vapor in the presence of at least one other condensable vapor, such as hydrogen peroxide and water vapors. The system includes generally a dew point sensor, a device for measuring at least one additional property of at least the other vapor such as relative humidity, and a microprocessor for fitting the dew point and additional property measurements into a modeled construct representative of the relationship between the vapors at a plurality of concentrations for each such vapor and at a plurality of corresponding dew point measurements. When used to determine the concentration of sterilant vapor in a sterilization system, the system also includes a sterilization chamber and an injector for injecting a measured quantity of the multicomponent condensable vapor into the chamber.
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公开(公告)号：EP0078614B1
公开(公告)日：1985-01-02
申请号：EP82305319.4
申请日：1982-10-06
发明人： Halleck, Frank E.
IPC分类号： A61L2/02
CPC分类号： G02C13/008 , A61L2/02 , A61L2/025 , A61L12/026 , A61L12/04 , B08B3/12 , Y10S134/901
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公开(公告)号：EP0040959B1
公开(公告)日：1984-09-19
申请号：EP81302261.3
申请日：1981-05-21
发明人： Dyke, Denis G.
CPC分类号： C12M23/08 , A61M35/006 , B67B7/92 , C12M23/32 , C12Q1/22 , Y10S215/08 , Y10S435/81
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