1
Scato Albarda, Werner Thoren, Stefan Kahning, Peter Vehrens: Valve arrangement of microstructured components. Dragerwerk Aktiengesellschaft, McGlew & Tuttle, July 9, 1991: US05029805 (342 worldwide citation)

A valve arrangement from microstructured components worked out of a basic body, for the control of fluids, include an actuation element which is movable relative to a flow path distributor and opens or closes fluid paths depending on its position. A transition from one position into the other is eff ...


2
Scato Albarda: Apparatus for admixing liquid anesthetics and respiratory gas. Dragerwerk Aktiengesellschaft, McGlew and Tuttle, November 27, 1984: US04484576 (109 worldwide citation)

An apparatus is disclosed for admixing anesthetic with respiratory gas to be supplied to a patient, which comprises a mixing chamber having an inlet for receiving the liquid anesthesia and the respiratory gas, and an outlet for supplying the mixture. A feed line is provided in the inlet for the liqu ...


3
Scato Albarda, Werner Thoren, Stefan Kahning, Peter Vehrens: Valve arrangement of microstructured components. Dragerwerk Aktiengesellschaft, McGlew & Tuttle, November 19, 1991: US05065978 (103 worldwide citation)

A valve arrangement from microstructured components worked out of a basic body, for the control of fluids, include an actuation element which is movable relative to a flow path distributor and opens or closes fluid paths depending on its position. A transition from one position into the other is eff ...


4
Dieter Weismann, Marcel Baum: Method for detecting the respiratory phases of a patient during an assisted ventilating process. Dragerwerk Aktiengesellschaft, Walter Ottesen, April 19, 1994: US05303700 (85 worldwide citation)

The invention relates to a method for recognizing the respiratory phases of a patient for controlling a ventilating apparatus. The time-dependent trace of a signal, which represents the respiratory flow curve and is emitted by a signal device, is determined and from this trace, a trigger criterium i ...


5
Erik Schwanbom, Detlef Warnow: Apparatus for enhancing a persons breathing and/or artificial respiration. Dragerwerk Aktiengesellschaft, McGlew and Tuttle, May 5, 1981: US04265237 (79 worldwide citation)

An apparatus for enhancing a person's breathing and artificial respiration which includes inspiration and expiration phases and operates in a situation where the inspiration phase is repeated periodically within the time content of the operation of the lungs. A respiratory gas breathing line having ...


6
Ralf Cronjaeger: Respirator mask for positive pressure respirator equipment. Dragerwerk Aktiengesellschaft, McGlew & Tuttle, March 6, 1990: US04905683 (76 worldwide citation)

A respirator mask for positive pressure respirator equipment comprises several peripheral seal edges around the face of the mask wearer. It must be assured that in case of possible leaks of the seal edges no respiratory gas, in particular respiratory gas with increased oxygen concentration, escapes ...


7
Dwayne D Westenskow, Patrick J Loughlin, Roman R Jaklitsch, Carl Friedrich Wallroth: Anesthesia ventilating apparatus having a breathing circuit and control loops for anesthetic gas components. Dragerwerk Aktiengesellschaft, Walter Ottesen, March 10, 1992: US05094235 (75 worldwide citation)

The invention relates to an anesthesia ventilating apparatus having a breathing circuit and a plurality of control loops for the anesthesia gas, the anesthesia agent and the carbon dioxide exhaled by a patient. A disconnect switch is provided for opening and closing the control loop for adjusting th ...


8
Volker Wienke, Heinrich Scheel: Valve for a gas vessel. Dragerwerk Aktiengesellschaft, Walter Ottesen, September 6, 1988: US04768543 (72 worldwide citation)

A valve for a gas vessel has a gas-pressure line which leads to a valve chamber and which is closed by means of a closure valve disposed in the valve chamber. The valve for a gas vessel also includes a gas-takeoff line and is configured so that the valve chamber and the gas-takeoff line as well as o ...


9
Ernst Wilhelm Schubert, Roland Zarske, Hans Wagner: Respirator with an input and output unit. Dragerwerk Aktiengesellschaft, McGlew and Tuttle, October 21, 1997: US05678539 (65 worldwide citation)

A respirator is provided with a gas-metering device for respiration gases, a control unit influencing and monitoring the metering of the gas, an input unit connected to the control unit for introducing commands into the control unit, a display unit outputting parameters, a rotary knob changing prese ...


10
Warncke Ernst: Protective mask with annular flushing chamber. Dragerwerk Aktiengesellschaft, August 1, 1972: US3680555 (65 worldwide citation)

A protective mask includes a double sealing rim or frame which defines a passageway for exhaled air which extends around the periphery of the face of the wearer to a space, for example, defined at the forehead of the wearer having an exhalation valve permitting the controlled discharge thereof. The ...