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102 条记录 (耗时 0.05 秒)

    System and method to prevent the transmission of pathogenic entities between the multiple users of second stage regulators
    23.
    发明授权
    System and method to prevent the transmission of pathogenic entities between the multiple users of second stage regulators 失效
    防止第二级调节器多用户间致病实体传播的系统和方法

    公开(公告)号：US6089225A

    公开(公告)日：2000-07-18

    申请号：US182619

    申请日：1998-10-29

    申请人： Richard I. Brown ,  David S. Brown

    发明人： Richard I. Brown ,  David S. Brown

    IPC分类号： A62B9/06 ,  B63C11/18 ,  B63C11/22 ,  B63C11/02

    CPC分类号： B63C11/2227 ,  B63C11/186

    摘要： A mouthpiece for use with breathing devices of the type used by scuba divers is provided. The mouthpiece includes-at least one no-return valve to allow exhalation directly into the ambient environment. Additional no-return valves can be incorporated into the inhalation pathway to prevent fluids from flowing back into the regulator housing. In one embodiment, an inlet no-return valve is located in the respiratory port tube of the regulator. In other embodiments, an inlet no-return valve is located in the mouthpiece itself. The disclosed invention keeps the interior spaces of the regulator clean and dry even when the regulator is not in place, thus extending regulator life and preventing a dangerous and irritating free-flow condition from occurring due to icing during cold water use. Saliva and expired air with its attendant moistures and pathogenic entities are prevented from entering the regulator housing. The mouthpiece is easily detachable and can be sanitized between uses, making it particularly well suited for rental and instructional purposes. The mouthpiece can be variously constructed to differentiate common-use mouthpieces from those owned individually.

    摘要翻译： 提供了一种与潜水员使用的呼吸装置一起使用的喉舌。 吸嘴包括 - 至少一个止回阀，以允许直接呼出到周围环境中。 附加的止回阀可以并入吸入通道，以防止流体回流到调节器壳体中。 在一个实施例中，入口止回阀位于调节器的呼吸端口管中。 在其他实施例中，入口止回阀位于接口管本身中。 所公开的发明保持调节器的内部空间清洁和干燥，即使调节器不在适当位置，从而延长了调节器的使用寿命，并且防止在冷水使用期间由于结冰而产生危险和刺激性的自由流动状况。 唾液和呼出空气及其伴随的湿润和致病实体被阻止进入调节器壳体。 喉舌易于拆卸，可在使用之间消毒，使其特别适合租赁和教学目的。 喉舌可以进行各种不同的构造，以将通用口气与单独使用的吸嘴区分开来。

    Centrifuge with pivot-out, easy-load processing chamber
    26.
    发明授权
    Centrifuge with pivot-out, easy-load processing chamber 失效
    离心机带有转出式，易于加工的处理室

    公开(公告)号：US5690602A

    公开(公告)日：1997-11-25

    申请号：US705699

    申请日：1996-08-30

    申请人： Richard I. Brown ,  Warren P. Williamson ,  Paul M. Di Perna

    发明人： Richard I. Brown ,  Warren P. Williamson ,  Paul M. Di Perna

    IPC分类号： A61M1/02 ,  B04B5/00 ,  B04B5/04 ,  F02B75/02 ,  B04B7/08

    CPC分类号： B04B5/0442 ,  B04B2005/045 ,  F02B2075/025

    摘要： A centrifuge comprising a yoke element that rotates about a rotational axis and a processing chamber having an axis. The processing chamber includes a bowl element, a spool element, and a mechanism for joining the spool and bowl elements for relative movement between a mutually cooperating position for centrifugal processing and a mutually separated position for loading. A hinge attaches the processing chamber to the yoke element for pivotal movement between an operating position and an access position. In the operating position, the spool and bowl elements are in their mutually cooperating position and oriented for rotation with the yoke element about the rotational axis. In the access position, the processing chamber axis lies outside the axis of rotation and the spool and bowl elements are oriented for movement from their mutually cooperating position into their mutually separated position.

    摘要翻译： 一种离心机，包括围绕旋转轴线旋转的轭元件和具有轴线的处理室。 处理室包括碗元件，卷筒元件和用于连接卷轴和碗元件的机构，用于在用于离心处理的相互配合的位置和用于装载的相互分离的位置之间的相对运动。 铰链将处理室连接到轭元件，用于在操作位置和进入位置之间枢转运动。 在操作位置，阀芯和碗元件处于它们相互配合的位置，并被定向成与轭元件围绕旋转轴线旋转。 在进入位置，处理室轴线位于旋转轴线的外侧，并且卷轴和碗元件被定向成从它们相互配合的位置移动到它们相互分开的位置。

    Peristaltic pulse pumping systems and methods
    27.
    发明授权
    Peristaltic pulse pumping systems and methods 失效
    蠕动脉冲泵送系统及方法

    公开(公告)号：US5538405A

    公开(公告)日：1996-07-23

    申请号：US269933

    申请日：1994-07-01

    申请人： Timothy J. Patno ,  Richard I. Brown ,  William H. Cork

    发明人： Timothy J. Patno ,  Richard I. Brown ,  William H. Cork

    IPC分类号： A61M1/10 ,  A61M1/36 ,  F04B43/00 ,  F04B43/12 ,  F04B43/08

    CPC分类号： F04B43/0081 ,  A61M1/3693 ,  A61M1/3696 ,  F04B43/1253 ,  A61M2205/12 ,  F04B2203/0209

    摘要： A peristaltic pumping apparatus and associated method to control power to the pump rotor to establish, during a preestablished first time period, a selected first angular velocity and sequentially establishing during a preestablished second time period immediately following the first time period a second angular velocity different than the first angular velocity. In this fashion, the apparatus and method achieve flow rates well below the minimum continuous flow rate of the rotor.

    摘要翻译： 一种蠕动泵送装置和相关联的方法，用于控制泵转子的功率，以在预先建立的第一时间段期间建立所选择的第一角速度并且在紧接着第一时间段之后的预先建立的第二时间段内顺序地建立不同于第一时间段的第二角速度 第一个角速度。 以这种方式，该装置和方法实现远低于转子的最小连续流速的流速。

    Stress-bearing umbilicus for a compact centrifuge
    28.
    发明授权
    Stress-bearing umbilicus for a compact centrifuge 失效
    用于紧凑型离心机的应力脐带

    公开(公告)号：US5514069A

    公开(公告)日：1996-05-07

    申请号：US172131

    申请日：1993-12-22

    申请人： Richard I. Brown ,  David E. Cerny ,  T. Michael Dennehey ,  Indrajit Patel ,  Dean M. Glash

    发明人： Richard I. Brown ,  David E. Cerny ,  T. Michael Dennehey ,  Indrajit Patel ,  Dean M. Glash

    IPC分类号： A61M1/02 ,  B04B5/00 ,  B04B5/04 ,  F02B75/02 ,  B04B11/00

    CPC分类号： B04B5/0442 ,  B04B2005/045 ,  B04B2005/0492 ,  F02B2075/025

    摘要： An umbilicus conveys fluid between a stationary body and a rotating body in a small, compact operating environment. The umbilicus comprises an elongated body including a proximal end, a distal end, and a middle region between the proximal and distal ends. A first support block is attached to the proximal end. A second support block is attached to the distal end. The first support block includes a strain relief sleeve. The umbilicus is otherwise free of any other strain relief sleeve. A thrust bearing member in the middle region spaced apart from the strain relief sleeve and the distal end. The umbilicus is otherwise free of any other thrust bearing member. The thrust bearing member has an inner annular body, an outer annular body about the inner annular body, and an array of ball bearings between the inner and outer annular bodies. The ball bearings support the inner annular body for rotation relative to the outer annular body.

    摘要翻译： 脐带在小型，紧凑的操作环境中在固定体和旋转体之间输送流体。 脐带包括细长体，其包括近端，远端和近端和远端之间的中间区域。 第一支撑块附接到近端。 第二支撑块附接到远端。 第一支撑块包括应变消除套筒。 脐管否则没有任何其他应变消除套筒。 在中间区域中的推力轴承构件与应变消除套筒和远端间隔开。 脐管否则没有任何其他推力轴承构件。 推力轴承构件具有内环形体，围绕内环形体的外环形体，以及在内外环形体之间的一组球轴承。 球轴承支撑内环形体，以相对于外环形体旋转。

    Peristaltic pump tube cassette for blood processing systems
    29.
    发明授权
    Peristaltic pump tube cassette for blood processing systems 失效
    用于血液处理系统的蠕动泵管盒

    公开(公告)号：US5462416A

    公开(公告)日：1995-10-31

    申请号：US173517

    申请日：1993-12-22

    申请人： T. Michael Dennehey ,  Richard I. Brown ,  Warren P. Williamson

    发明人： T. Michael Dennehey ,  Richard I. Brown ,  Warren P. Williamson

    IPC分类号： A61M1/02 ,  A61M1/10 ,  A61M1/36 ,  F02B75/02 ,  F04B7/00 ,  F04B43/12 ,  F04B43/08

    CPC分类号： A61M1/3693 ,  A61M1/3696 ,  F04B43/1253 ,  F04B7/0076 ,  A61M2205/12 ,  A61M2205/128 ,  F02B2075/025 ,  F04B2205/01 ,  F04B2205/05

    摘要： A cassette serves in association with one or more peristaltic pumps to centralize pumping, valving, and pressure sensing functions. The cassette includes a housing having first and second pump ports. A flexible tubing loop extends between the first and second pump ports outside the housing for engagement with an external peristaltic pump element. A liquid port on the housing attaches to a length of tubing that also extends outside the housing. Liquid passages within the housing that establish communication among the liquid port, the first pump port, and the second pump port. Valve stations formed within the housing are responsive to the application of external force for controlling liquid flow through the liquid passages. A sensing chamber is formed within the housing along at least one liquid passage. The sensing chamber transmits information regarding liquid pressure present within the one liquid passage to an external sensing element.

    摘要翻译： 一个盒子与一个或多个蠕动泵联合起来以集中泵送，阀门和压力感测功能。 盒包括具有第一和第二泵口的壳体。 柔性管道环在壳体外部的第一和第二泵口之间延伸以与外部蠕动泵元件接合。 壳体上的液体端口连接到也延伸到壳体外部的一段管道。 壳体内的液体通道，其在液体端口，第一泵口和第二泵口之间建立通信。 形成在壳体内的阀站响应于施加外力来控制液体流过液体通道。 感测室沿着至少一个液体通道形成在壳体内。 感测室将关于一个液体通道内存在的液体压力的信息传送到外部感测元件。