Anesthetic waste gas evacuation system
    81.
    发明授权
    Anesthetic waste gas evacuation system 失效
    麻醉废气排放系统

    公开(公告)号:US5482033A

    公开(公告)日:1996-01-09

    申请号:US192362

    申请日:1994-02-08

    IPC分类号: A61M16/00 A62B31/00 A62B9/02

    摘要: An anesthesia waste gas evacuation system having a waste gas collection chamber with an inlet into the chamber at the bottom and a blower at the top for blowing gas from the chamber to an outlet connected to a building ventilation system. Vents are provided to provide communication between the chamber interior and the surrounding atmosphere so that the pressure within the chamber remains substantially at atmospheric pressure avoiding the formation of a sub-ambient pressure within the chamber. The chamber is electrically grounded and is electrically connected to a standpost so as to ground the post as well.

    摘要翻译: 一种具有废气收集室的麻醉废气排放系统,其具有位于底部的室中的入口和顶部的鼓风机,用于将气体从腔室吹送到连接到建筑物通风系统的出口。 通气孔被提供以提供腔室内部和周围大气之间的连通,使得腔室内的压力基本保持在大气压力,避免在腔室内形成次环境压力。 该室电接地并且电连接到一个支柱,以便使该柱接地。

    Combination oral suction and scavenging apparatus
    82.
    发明授权
    Combination oral suction and scavenging apparatus 失效
    组合口吸和扫气装置

    公开(公告)号:US5033464A

    公开(公告)日:1991-07-23

    申请号:US409818

    申请日:1989-09-20

    摘要: The compact combination oral suction and scavenging apparatus can be operated simultaneously or separately for oral suctioning and expired anaesthetic gases scavenging of a patient under sedation. It includes a main shut off valve for turning the entire apparatus on or off, and a separate shut off valve which can be operated selectively to disable the scavenger portion of the apparatus. A safety relief valve prevents sub-atmospheric or excessively high pressures from building up in the apparatus to affect the normal breathing pattern of a patient. The expiratory valve of the scavenging assembly is housed in a disposable chamber having a disposable transparent snap-on dome shaped cover such that the expiratory valve can be readily monitored visually, and the cover can be easily and quickly removed for manual manipulation or adjustment of the expiratory valve by the anaesthetist.

    摘要翻译: 紧密组合的口服抽吸和清除装置可以同时或分开地操作,以便在镇静下对患者进行口服抽吸和过期的麻醉气体清除。 它包括用于打开或关闭整个设备的主截止阀,以及可选择性地操作以禁用设备的清除部分的单独的截止阀。 安全释放阀防止在设备中的大气压或过高的压力积聚以影响患者的正常呼吸模式。 清扫组件的呼气阀容纳在具有一次性透明卡入式圆顶盖的一次性腔室中,使得呼气阀可以容易地目视地监视,并且可以容易且快速地移除盖子,以进行手动操作或调整 呼气阀由麻醉师。

    Self-contained jet pump breathing apparatus
    84.
    发明授权
    Self-contained jet pump breathing apparatus 失效
    独立式喷气泵呼吸器

    公开(公告)号:US4702241A

    公开(公告)日:1987-10-27

    申请号:US786468

    申请日:1985-10-11

    IPC分类号: A61M16/00

    摘要: A self-contained jet pump type breathing apparatus is provided for introducing gases into the lungs of a patient having an inspiratory jet pump for sweeping gases toward the patient, an expiratory jet pump for sweeping exhaled gases away from the patient and an absorber for absorbing carbon dioxide from the exhaled gases which are again supplied to the respiratory jet pump. An anesthetic introduction conduit permits the flow of anesthetic gases into the breathing apparatus. In addition, a jet producer device, is also provided, which obtains fresh compressed gases from the absorber and compressor and supplies pulsating pressurized gases to the respiratory jet pumps.

    摘要翻译: 提供了一种独立的喷射泵式呼吸器,用于将气体引入到具有用于向患者吹扫气体的吸气喷射泵的患者的肺中,用于将呼出气体从患者身体吹扫的呼气喷射泵和用于吸收碳的吸收体 来自呼出气体的二氧化物再次供应到呼吸喷射泵。 麻醉引入导管允许麻醉气体流入呼吸器。 此外,还提供了一种喷射生产装置,其从吸收器和压缩机获得新鲜的压缩气体,并将脉动的加压气体供应到呼吸喷射泵。

    Breathing protective apparatus with inhalation and exhalation regulator
    85.
    发明授权
    Breathing protective apparatus with inhalation and exhalation regulator 失效
    呼吸保护装置与吸入和呼气调节器

    公开(公告)号:US4608976A

    公开(公告)日:1986-09-02

    申请号:US649158

    申请日:1984-09-10

    申请人: Les Suchy

    发明人: Les Suchy

    IPC分类号: A62B7/04 A62B9/02

    摘要: An improved breathing protective apparatus having an inhalation regulator and a primary source of breathing air supplied to the user through a pressure line, and an exhalation regulator with a return line connected to a vacuum source to remove exhaust gases from the work area is disclosed. The apparatus also has a positive pressure and free flowing regulator which provides an extra measure of safety in a toxic environment and provides low breathing resistance under high work load conditions. The arrangement is such that if the exhalation regulator is bypassed for exhaust without vacuum conditions, positive pressure and the free flowing regulator are automatically eliminated to save emergency air for escape of the user from a contaminated environment.

    摘要翻译: 公开了一种改进的呼吸保护装置,其具有吸入调节器和通过压力管线向用户供应的主要的呼吸空气源,以及呼气调节器,其具有连接到真空源的返回线以从工作区域排出废气。 该设备还具有正压力和自由流动的调节器,其在有毒环境中提供额外的安全性,并且在高工作负荷条件下提供低呼吸阻力。 这种布置使得如果呼气调节器在没有真空条件的情况下旁路排气,则正压力和自由流动调节器被自动消除,以节省紧急空气以使使用者逃离受污染的环境。

    Aspirating/ventilating apparatus and method

    公开(公告)号:US4569344A

    公开(公告)日:1986-02-11

    申请号:US633570

    申请日:1984-07-23

    申请人: Darrel Palmer

    发明人: Darrel Palmer

    摘要: A ventilating and aspirating assembly comprising an aspirating catheter tube internally disposed within and coextensive with a surrounding flexible collapsible sterility preserving film envelope, a connector by which ventilating air is involuntarily delivered to and exhausted from the lungs of a medical patient, said connector comprising structure which accommodates the manual insertion of the catheter tube into and manual removal from the trachea/bronchi patient through the connector. This facilitates aspiration of undesired respiratory fluids. The assembly further comprises a detachable connection site for one end of the envelope to the connector and a valve by which aspirating vacuum pressure is selectively communicated to the interior of the catheter tube for evacuation of said respiratory fluids, the valve comprising structure isolating the vacuum pressure from the atmosphere, structure by which the valve is placed in either of a locked and an unlocked condition and structure normally biasing and sealing the valve in a closed position, but accommodating manual displacement counter to the bias into an unsealed open position whereby, with the catheter tube indwelling in the lungs of the patient, the vacuum pressure causes evacuation of fluid from the patient's respiratory system through the catheter tube, and a detachable connection site for the other end of the envelope to the valve.

    Anesthetic apparatus
    87.
    发明授权
    Anesthetic apparatus 失效
    麻醉仪器

    公开(公告)号:US4538605A

    公开(公告)日:1985-09-03

    申请号:US473315

    申请日:1983-03-08

    IPC分类号: A61M16/00

    CPC分类号: A61M16/009 Y10S128/91

    摘要: An anesthetic apparatus for administering a gaseous anesthetic comprises a breathing mask which is connected to the inspiration pipe and the expiration pipe of the apparatus and used for connecting the apparatus to the airways of a patient. To prevent harmful gaseous anesthetic from being released to the surroundings when the mask is temporarily lifted from the patient's face during anesthesia in order to check the condition of the patient, the apparatus is provided with a gas suction device which can be connected to the mask through a controllable valve. The gas suction device may be continuously operated or may be started automatically when the valve is opened. A signal emitter for generating control signals and applying these to the valve is arranged on, or in the vicinity of the mask in a manner such that it can either be activated manually by the anesthetist, or is activated automatically when the mask is lifted from the patient's face, at which time it generates a control signal for opening the valve. In this way, the suction device is connected with both the inspiration pipe of the anesthetic apparatus and with the mask, whereby all gaseous anesthetic supplied through the inspiration pipe is removed by suction, and also at least the major part of the gas exhaled by the patient is caught and removed by suction through the mask. The suction device has a capacity which at least corresponds to, and preferably exceeds, the maximum flow of gaseous anesthetic capable of being delivered by the anesthetic apparatus any one moment in time.

    摘要翻译: 用于施用气体麻醉剂的麻醉装置包括呼吸面罩,其连接到所述装置的吸气管和呼吸管,并用于将所述装置连接到患者的气道。 为了防止在麻醉期间当面罩从患者的面部临时抬起以检查患者的状况时,有害气体麻醉剂被释放到周围环境中,该装置设置有气体吸引装置,其可以通过 可控阀门。 吸气装置可以连续操作,或者当阀打开时可以自动启动。 用于产生控制信号并将其施加到阀的信号发射器以这样的方式布置在掩模上或其附近,使得其可以由麻醉师手动激活,或者当面罩从 患者的脸部,此时它产生用于打开瓣膜的控制信号。 以这种方式,抽吸装置与麻醉装置的吸气管和面罩连接,通过抽吸除去通过吸气管供给的所有气体麻醉剂,并且至少大部分由气体呼出的气体 患者被吸入并通过面罩抽吸除去。 抽吸装置具有至少对应于并且优选地超过能够由麻醉装置在一段时间内被输送的气体麻醉剂的最大流量的能力。

    Method and apparatus for purifying contamination of dental consultation
room
    88.
    发明授权
    Method and apparatus for purifying contamination of dental consultation room 失效
    净化牙科咨询室污染的方法和装置

    公开(公告)号:US4446861A

    公开(公告)日:1984-05-08

    申请号:US408568

    申请日:1982-08-16

    申请人: Yoshikazu Tada

    发明人: Yoshikazu Tada

    摘要: A method of purifying the contamination of a dental consultation room is disclosed. The purification method is characterized in that an anesthetic gas such as laughing gas and the dust generated by drilling a tooth or false tooth of the patient are changeably sucked either from a region close to the floor of the dental consultation room, or from outside the oral cavity of the patient, and are discharged outside the consultation room. Disclosed also is an apparatus for practicing the purification method.

    摘要翻译: 公开了一种净化牙科咨询室污染的方法。 净化方法的特征在于,诸如笑气体的麻醉气体和钻孔患者的牙齿或假牙所产生的粉尘可以从牙科咨询室的地板附近的区域或从口腔外部吸入 患者的腔,并排出咨询室外。 还公开了一种用于实施纯化方法的装置。

    Controllable partial rebreathing anesthesia circuit and respiratory
assist device
    89.
    发明授权
    Controllable partial rebreathing anesthesia circuit and respiratory assist device 失效
    可控部分再呼吸麻醉电路和呼吸辅助装置

    公开(公告)号:US4188946A

    公开(公告)日:1980-02-19

    申请号:US840400

    申请日:1977-10-07

    IPC分类号: A61M16/00 A61M16/08 A61M16/10

    摘要: A method and apparatus for administering anesthesia to a patient is shown. A control module may be connected through an inhalation breathing circuit to a patient with a portion of the mixed/expired gases being rebreathed by the patient thus improving humidification and heat retention. By use of a CO.sub.2 analyzer in the control module, the CO.sub.2 content of the expired gas is accurately measured with any necessary adjustments being made in the gases delivered to the patient. The control module includes an O.sub.2 analyzer, adjustable pressure warning and control device, pressure gauge, manually controlled scavenger valve, and bacterial filter connected thereto. An anesthesia ventilator or breathing bag may be used in conjunction with the control module for administering anesthesia or transportation of the patient. The inhalation breathing circuit has two concentric, non-kinking, corrugated tubes, one visually apparent within the other for delivering both fresh gas with a mixed portion of the expired gas to the patient through a special elbow adapter that allows suctioning without interrupting the fresh gas flow or ventilation of the patient.

    摘要翻译: 显示了向患者施用麻醉的方法和装置。 控制模块可以通过吸入呼吸回路连接到患者,其中一部分混合/呼出气体被患者再呼吸,从而改善加湿和保温。 通过在控制模块中使用二氧化碳分析仪,可以通过在输送给患者的气体进行任何必要的调整来准确地测量呼气的二氧化碳含量。 控制模块包括一个O2分析仪,可调压力报警和控制装置,压力表,手动控制的清除阀和连接到其上的细菌过滤器。 麻醉呼吸机或呼吸袋可以与控制组件一起使用,用于给患者进行麻醉或运输。 吸入呼吸回路具有两个同心的,非扭结的波纹管,一个在另一个视觉上明显,用于将新鲜气体与呼出气体的混合部分通过特殊的弯头适配器传送给患者,允许在不中断新鲜气体的情况下进行抽吸 流量或通气量。

    Safety interface and valve for anesthesia gas scavenging
    90.
    发明授权
    Safety interface and valve for anesthesia gas scavenging 失效
    安全接口和阀门用于麻醉气体清除

    公开(公告)号:US4180066A

    公开(公告)日:1979-12-25

    申请号:US844045

    申请日:1977-10-20

    IPC分类号: A61M16/00

    摘要: A safety interface for connection between an anesthesia patient circuit and a disposal system, and a combined positive and negative pressure relief valve for the safety interface.The safety interface comprises a housing defining a passageway, means for connecting an upstream end of the passageway to the waste anesthetic gas outlet of an anesthesia patient circuit, means for connecting the downstream end of the passageway to a disposal system, a negative pressure relief valve and a positive pressure relief valve in communication with the passageway. The positive pressure release valve and negative pressure release valve are preferably provided in the form of a combined positive and negative pressure release valve, and a second negative pressure release valve is preferably also provided. Preferably, a restrictor partially obstructs the passageway at a point on its upstream to downstream extent, and the positive pressure relief valve communicates with the passageway at a point downstream of the restrictor. Means for connecting a reservoir in communication with the passageway upstream of the restrictor are preferably provided.The double acting pressure relief valve comprises a spindle, a first disc mounted on the spindle, a spindle receptacle for supporting said spindle, a coil spring seated in said spindle receptacle and surrounding said spindle, and a second disc having at least one aperture therein which may be closed by contact with said first disc, said second disc slidingly engaging said spindle and situated between said first disc and said spindle receptacle. The coil spring biases the second disc towards the housing so that the second disc may engage a raised ridge surrounding an opening in the housing.

    摘要翻译: 用于麻醉病人回路和处置系统之间连接的安全接口,以及用于安全接口的组合式正负压泄压阀。 安全界面包括限定通道的壳体,用于将通道的上游端连接到麻醉患者回路的废麻醉气体出口的装置,用于将通道的下游端连接到处置系统的装置,负压释放阀 以及与通道连通的正压力释放阀。 正压释放阀和负压释放阀优选以组合的正压和负压释放阀的形式提供,并且优选地还提供第二负压释放阀。 优选地,限流器在其上游到下游范围的一点处部分地阻塞通道,并且正压力释放阀在限流器下游的点处与通道连通。 优选地提供用于连接与限流器上游的通道连通的容器。 所述双作用减压阀包括主轴,安装在所述主轴上的第一盘,用于支撑所述主轴的主轴容座,位于所述主轴容座中并围绕所述主轴的螺旋弹簧,以及在其中具有至少一个孔的第二盘 可以通过与所述第一盘接触来关闭,所述第二盘滑动地接合所述主轴并位于所述第一盘和所述主轴容座之间。 螺旋弹簧将第二盘朝向壳体偏置,使得第二盘可以接合围绕壳体中的开口的凸起的脊。