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    Bacteria-tight system for artificial respiration
    2.
    发明授权
    Bacteria-tight system for artificial respiration 失效
    用于人工呼吸的细菌系统

    公开(公告)号：US4224939A

    公开(公告)日：1980-09-30

    申请号：US913086

    申请日：1978-06-06

    Applicant: Volker Lang

    Inventor： Volker Lang

    IPC: A61M16/08 ,  A61M16/10 ,  A61M17/00

    CPC classification number: A61M16/08 ,  A61M16/0808 ,  A61M16/1055

    Abstract: An appliance for establishing a bacteriologically safe connection between a respirator and an endotracheal tube comprises a head fitting, which is adapted to be mounted on the endotracheal tube. A flexible tube for supplying inhalable gas and a flexible withdrawing tube for withdrawing exhaled air are connected to said head fitting. An exhalation valve is incorporated in the withdrawing tube and is incorporated by a controller in step with the artificial respiration. An inflatable bag, which is manually operable to effect artificial respiration, is connected by a tee fitting to the supply tube, which is connected by a bacteria filter and the controller to the respirator. The inflatable bag is provided with a sensor, which is connected by a signal line to the controller and causes the latter to close and open the exhalation valve in step with the manually effected artificial respiration.

    Abstract translation: 用于在呼吸器和气管内管之间建立细菌安全连接的装置包括头部配件，其适于安装在气管内管上。 用于提供可吸入气体的柔性管和用于抽出呼出空气的柔性抽出管连接到所述头部配件。 呼气阀并入抽出管中，并通过控制器并入人造呼吸的步骤。 可手动操作以进行人工呼吸的充气袋通过三通配件连接到供应管上，该供应管通过细菌过滤器和控制器连接到呼吸器。 充气袋设置有传感器，其通过信号线连接到控制器，并且使传感器随着手动进行的人造呼吸而逐步关闭和打开呼气阀。

    Scavenging valve device
    3.
    发明授权
    Scavenging valve device 失效
    SCAVENGING阀装置

    公开(公告)号：US4112940A

    公开(公告)日：1978-09-12

    申请号：US762462

    申请日：1977-01-25

    Applicant: Alvin E. Parkes

    Inventor： Alvin E. Parkes

    IPC: A61M16/00 ,  A61M16/20 ,  A61M17/00

    CPC classification number: A61M16/20 ,  A61M16/009 ,  Y10S128/91

    Abstract: A scavenging valve for anesthesia gas release in pediatric anesthesia apparatus is of generally conical configuration and has an axial bore extending therethrough from an open base to an open apex with a plurality of longitudinally extending fins around the bore in the valve. The scavenging valve has a plurality of external fin-like projections at its base. Each of the fin-like projections has a hole formed therethrough for facilitating releasable affixing of the scavenging valve to an operating table to prevent shifting of the valve. A control valve comprises a pair of nipples each of generally conical configuration in base to base relation with an axial bore extending therethrough from one open apex end to the other. The control valve has a radially extending hole formed therethrough at the juncture of the bases of the nipples. The bore tapers down to each of the apices from the bases. The control valve couples an anesthesia bag to the scavenging valve and has a gas flow control and shutoff plate pivotally mounted in the bore thereof in the area of the bases of the control valve. A manually operable control member is provided outside the control valve. A pin extends through the hole through the control valve and couples the control member to the valve plate in a manner whereby the valve plate rotates in correspondence with rotation of the control member.

    Calibrated anesthetic vaporizer
    4.
    发明授权
    Calibrated anesthetic vaporizer 失效
    校准麻醉蒸发器

    公开(公告)号：US4059657A

    公开(公告)日：1977-11-22

    申请号：US595186

    申请日：1975-07-11

    Applicant: Wayne W. Hay

    Inventor： Wayne W. Hay

    IPC: A61M16/18 ,  A61M15/00 ,  A61M17/00

    CPC classification number: A61M16/18 ,  Y10S261/65

    Abstract: Anesthetic vaporizer of the flow-through type having a calibrated flow control valve unit for proportional distribution of the inlet gas between a vaporizing chamber and a main bypass passage to obtain a desired anesthetic concentration. A rotary, multiple-port valve with a multiplicity of laminar flow-type passages in parallel is operable in discrete steps for adding the anesthetic vapor from the chamber in predictable increments to a preset flow of the inlet gas for proportional gas division. An auxiliary gas bypass for temperature compensation has a cone-type valve with restricted opening controlled by a temperature responsive motor in the vaporizing chamber. A wick assembly in the anesthetic vaporizing chamber guides the chamber gas through a multiplicity of parallel passages formed by stacked sheets of absorbent and corrugated materials respectively, to obtain maximum vaporization of the anesthetic.

    Abstract translation: 流通型的麻醉蒸发器具有校准的流量控制阀单元，用于在蒸发室和主旁路通道之间成比例地分配入口气体，以获得期望的麻醉剂浓度。 具有多个平行流层型通道的旋转式多通道阀可以在离散的步骤中操作，用于将来自腔室的麻醉蒸气以可预测的增量加到用于比例气体分配的入口气体的预设流中。 用于温度补偿的辅助气体旁路具有由蒸发室中的温度响应电动机控制的限制开口的锥形阀。 麻醉蒸发室中的芯组件分别引导腔室气体通过由堆叠的吸收和波纹材料片形成的多个平行通道，以获得麻醉剂的最大蒸发。

    Inhalation anesthesia device
    5.
    发明授权
    Inhalation anesthesia device 失效
    吸入麻醉装置

    公开(公告)号：US3851645A

    公开(公告)日：1974-12-03

    申请号：US35233873

    申请日：1973-04-18

    Applicant: CONNEL A

    Inventor： CONNEL A

    IPC: A61D7/04 ,  A61M16/18 ,  A61M17/00

    CPC classification number: A61D7/04 ,  A61M16/18

    Abstract: A device for inducing anesthesia in animals including a variable supply of air under a variable pressure, a source of oxygen and a flap valve arranged such that either atmospheric air, oxygen, or a mixture of these gases may be supplied to the animal or patient through a vaporizing chamber containing an anesthesia and having a by-pass in parallel relation thereto and including a valve structure controlling the flow of gas through the chamber and bypass.

    Abstract translation: 用于在动物中诱导麻醉的装置，包括在可变压力下的可变空气供应源，氧气源和瓣阀，其布置成使得大气空气，氧气或这些气体的混合物可以通过 包含麻醉并具有与其平行关系的旁路的蒸发室，并且包括控制气体通过腔室和旁路的流动的阀结构。

    Valve device for anesthesia systems and respirators
    6.
    发明授权
    Valve device for anesthesia systems and respirators 失效
    用于麻醉系统和呼吸器的阀装置

    公开(公告)号：US3599634A

    公开(公告)日：1971-08-17

    申请号：US3599634D

    申请日：1969-01-23

    Applicant: SIXTEN ENGLESSON

    Inventor： ENGLESSON SOREN H

    IPC: A61M16/08 ,  A61M16/20 ,  A61M16/22 ,  A61M17/00

    CPC classification number: A61M16/208 ,  A61M16/08 ,  A61M16/209 ,  A61M16/22

    Abstract: A valve device specifically for anesthesia systems and respirators, etc., comprising a check valve in a one-way system conveying breathing air to and from a patient as well as additional components, if desired, such as oxygen and/or anesthetic agent. The valve utilizes a balloon or bladder which releases the system air etc. to the outside through an appropriately designed balloon support when an overpressure occurs in the balloon as the result of excess pressure of said system air etc.

    Recovery of anesthetic agents
    7.
    发明授权
    Recovery of anesthetic agents 失效
    麻醉药物的恢复

    公开(公告)号：US3592191A

    公开(公告)日：1971-07-13

    申请号：US3592191D

    申请日：1969-01-17

    Applicant: JACKSON RICHARD R

    Inventor： JACKSON RICHARD R

    IPC: A61M16/00 ,  A61M16/08 ,  A61M17/00 ,  B01D51/10

    CPC classification number: A61M16/009 ,  A61M16/0093 ,  A61M16/0808 ,  A61M16/22 ,  A61M2202/0208 ,  A61M2202/03 ,  A61M2202/0007

    Abstract: In a system for administering a volatile inhalation anesthetic agent to a patient at a flow rate that is in excess of the patient''s uptake rate and wherein a portion of the excess anesthetic agent is exhausted from the system, a method and apparatus for recovering the exhausted anesthetic agent. Recovery is effected by collecting the exhausted gas and removing the water vapor either by condensation or with a hygroscopic material. The anesthetic agent is then extracted from the dried gas by a cryogenic process in which the vapors in the anesthetic agent are condensed to a liquid phase or by an absorbent material which is processed later to remove the agent. When employing the condensing process, the anesthetic condensate is collected and may be readmitted directly into the anesthetic system.

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