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    • 78. 发明授权
    • VARIABLE ORIFICE PULSE VALVE
    • DRUCKPULS-VENTIL MIT VARIABLERÖFFNUNG
    • EP0969894B1
    • 2003-09-17
    • EP98947734.4
    • 1998-10-27
    • Instrumentarium Corporation
    • HEINONEN, Erkki
    • A61M16/20A61M16/12
    • A61M16/12A61M16/1015A61M16/20A61M16/202A61M16/203A61M2016/0027A61M2016/0033A61M2016/0036A61M2202/0275
    • A variable orifice pulse valve (1) has a small internal volume for providing small, accurately measured pulse volumes of gas. The valve (1) may be employed to supply a very small quantity of a therapeutic gas or a diagnostic gas into the breathing gases of a patient. The valve (1) has a housing (11) with an inlet (2) for receiving the gas and an outlet (23) providing the pulsatile discharge of the gas. A chamber (13), formed in the housing, has a first opening (5) in fluid communication with the inlet (2) and a second opening (14) in fluid communication with the outlet (23). The intermediate chamber (13) is formed to have a small volume compared to the minimum pulsatile gas discharge volume of the valve (1). A spring (6) biases a variable orifice member (7) toward the first opening (5) and a solenoid (8) moves the variable orifice member (7) away from the first opening (5) to form an orifice that meters a dose of gas into the valve (1). A sealing member (16) is spring biased into sealing engagement with the second opening (14). A second control solenoid (18) operates to move the second sealing member (16) out of engagement with the second opening (14) to form a pulse orifice in the valve (1) that provides the pulsatile discharge of gas from the outlet (23). An outlet chamber (15) of the valve (1) may include a further inlet (24) providing a carrier gas that sweeps the gas pulse exiting from the intermediate chamber (13) out of the valve (1) to prevent the gas pulse from being trapped in the valve (1).
    • 可变孔脉冲阀具有小的内部体积,用于提供小的精确测量的脉冲体积的气体。 该阀可用于将非常少量的治疗气体或诊断气体供应到患者的呼吸气体中。 阀具有壳体,其具有用于接收气体的入口和提供气体的脉动排放的出口。 形成在壳体中的腔室具有与入口流体连通的第一开口和与出口流体连通的第二开口。 中间室形成为具有与阀的最小脉动气体排放体积相比较小的体积。 弹簧朝向第一开口偏压可变孔口构件,并且螺线管使可变孔口构件远离第一开口移动以形成计量一定量的气体进入阀门的孔口。 密封构件被弹簧偏置成与第二开口密封接合。 第二控制螺线管操作以使第二密封构件与第二开口脱离接合,以在阀中形成脉冲孔,从而提供来自出口的气体脉动排放。 阀的出口室可以包括另外的入口,其提供载气,其将从中间室排出的气体脉冲从阀排出以防止气体脉冲被捕获在阀中。
    • 79. 发明公开
    • Appareil d'anesthésie respiratoire à valve de décharge pilotée
    • Beatmungsnarkosegerätmit gesteurtem Entladungsventil
    • EP1118347A1
    • 2001-07-25
    • EP01400027.7
    • 2001-01-08
    • TAEMA
    • Kitten, Sébastien
    • A61M16/20
    • A61M16/20A61M16/203A61M16/205A61M16/209
    • Appareil d'anesthésie respiratoire comportant un circuit de gaz (1) comprenant une branche inspiratoire pour acheminer un mélange de gaz anesthésique jusqu'à des moyens de liaison (24) destinés à être reliés aux voies aériennes supérieures d'un patient (11) ; une branche expiratoire (3) pour acheminer un mélange gazeux contenant du CO 2 expiré par ledit patient (11); lesdites branche inspiratoire (2) et expiratoire (3) formant un circuit de gaz (1) en boucle. Une ligne (8) d'alimentation en gaz frais, en communication fluide avec le circuit (1) de gaz est destinée à alimenter ledit circuit (1) en gaz frais. En outre, une valve (4) de décharge à valeur de consigne de pression ajustable est agencée sur la branche inspiratoire (2) ou expiratoire (3) et des moyens de pilotage de la valve de décharge (4) agissent sur la valve de décharge (4) en réponse à la détection d'une variation de débit et/ou de pression du gaz frais à l'intérieur de la ligne (8) d'alimentation en gaz frais pour ajuster la consigne de pression de la valve (4) de décharge.
    • 麻醉系统具有排出阀(4),其释放设置由传感器(7)和电子控制器(6)变化,以适应新鲜气体(8)的压力或流量变化进入气体回路(1),包括入口 2)和出口(3)分支。
    • 80. 发明公开
    • VARIABLE ORIFICE PULSE VALVE
    • 开度可变压力脉冲阀
    • EP0969894A1
    • 2000-01-12
    • EP98947734.4
    • 1998-10-27
    • Instrumentarium Corporation
    • HEINONEN, Erkki
    • A61M16/20A61M16/12
    • A61M16/12A61M16/1015A61M16/20A61M16/202A61M16/203A61M2016/0027A61M2016/0033A61M2016/0036A61M2202/0275
    • A variable orifice pulse valve (1) has a small internal volume for providing small, accurately measured pulse volumes of gas. The valve (1) may be employed to supply a very small quantity of a therapeutic gas or a diagnostic gas into the breathing gases of a patient. The valve (1) has a housing (11) with an inlet (2) for receiving the gas and an outlet (23) providing the pulsatile discharge of the gas. A chamber (13), formed in the housing, has a first opening (5) in fluid communication with the inlet (2) and a second opening (14) in fluid communication with the outlet (23). The intermediate chamber (13) is formed to have a small volume compared to the minimum pulsatile gas discharge volume of the valve (1). A spring (6) biases a variable orifice member (7) toward the first opening (5) and a solenoid (8) moves the variable orifice member (7) away from the first opening (5) to form an orifice that meters a dose of gas into the valve (1). A sealing member (16) is spring biased into sealing engagement with the second opening (14). A second control solenoid (18) operates to move the second sealing member (16) out of engagement with the second opening (14) to form a pulse orifice in the valve (1) that provides the pulsatile discharge of gas from the outlet (23). An outlet chamber (15) of the valve (1) may include a further inlet (24) providing a carrier gas that sweeps the gas pulse exiting from the intermediate chamber (13) out of the valve (1) to prevent the gas pulse from being trapped in the valve (1).