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    • 3. 发明授权
    • Needle guard having inherent probe directing features
    • 针头具有固有的探针导向功能
    • US07192413B2
    • 2007-03-20
    • US10459406
    • 2003-06-11
    • Robert G. KrausAlan J. Dextradeur
    • Robert G. KrausAlan J. Dextradeur
    • A61M5/00A31M31/00A61M37/00
    • A61M27/006
    • A needle or puncture guard that has inherent probe directing features for use in an in-line configured shunt valve is provided. The guard comprises a base member configured for mounting within the domed reservoir of the shunt valve, and a guide wall seated on the base member. The guide wall is defined by a top wall, an inner side wall, and an opposed outer side wall. The inner side wall has an indented section with an aperture extending through the indented section. The inner side wall can be concavely curved, while the indented section has a curvature that directs instruments that are pressed against the guide wall towards the aperture. A method for performing catheter revisions on a shunt system having a guard within the shunt valve is provided as well. Also provided is a method for placement of an intracranial pressure sensor percutaneously into a ventricular catheter for determining intracranial pressure.
    • 提供具有固有探针引导特征的针或穿刺保护装置,用于在线配置的分流阀中。 护罩包括构造成用于安装在分流阀的圆顶形容器内的基座构件和安置在基座构件上的引导壁。 引导壁由顶壁,内侧壁和相对的外侧壁限定。 内侧壁具有凹口部分,其具有延伸穿过凹入部分的孔。 内侧壁可以是凹形弯曲的,而凹进部分具有将朝向孔径压靠在引导壁上的工具引导的曲率。 还提供了在具有分流阀内的防护件的分流系统上执行导管修正的方法。 还提供了用于将颅内压力传感器经皮放置到心室导管中用于确定颅内压的方法。
    • 7. 发明申请
    • MULTI-BRANCHED ANTI-REFLUX VALVE
    • 多分支防反应阀
    • US20100210992A1
    • 2010-08-19
    • US12772847
    • 2010-05-03
    • Alan J. DextradeurRobert Kraus
    • Alan J. DextradeurRobert Kraus
    • A61M1/00
    • A61M27/006
    • A shunt system includes a first catheter and a second catheter, each having a proximal end and a distal end, and at least one opening adjacent to its distal end. A proximal end of a drainage catheter is in fluid communication with the proximal end of the first catheter and the proximal end of the second catheter. A first one-way valve is disposed in fluid communication with the first catheter between its proximal end and its at least one opening. The first one-way valve effectively blocks fluid flow from the proximal end to the at least one opening. A second one-way valve is disposed in fluid communication with the second catheter between its proximal end and its at least one opening. The second one-way valve effectively blocks fluid flow from the proximal end to the at least one opening.
    • 分流系统包括第一导管和第二导管,每个具有近端和远端,以及与其远端相邻的至少一个开口。 排水导管的近端与第一导管的近端和第二导管的近端流体连通。 第一单向阀设置成在其近端和其至少一个开口之间与第一导管流体连通。 第一单向阀有效地阻止从近端到至少一个开口的流体流动。 第二单向阀设置成在其近端与其至少一个开口之间与第二导管流体连通。 第二单向阀有效地阻止从近端到至少一个开口的流体流动。
    • 8. 发明授权
    • Shunt valve locking mechanism
    • 分流阀锁定机构
    • US07771381B2
    • 2010-08-10
    • US12029818
    • 2008-02-12
    • Daniel McCuskerAlan J. DextradeurRainuka GuptaCarleton Bryan Southworth
    • Daniel McCuskerAlan J. DextradeurRainuka GuptaCarleton Bryan Southworth
    • A61M5/00F16K31/12F16K35/00
    • F16K35/025A61M27/006F16K35/04Y10T70/5615Y10T137/7069Y10T137/7225Y10T137/7256
    • A locking assembly is provided to simply and effectively prevent any unintentional adjustment of the adjustable valve mechanism in a fluid flow control device, without compromising the function of the device. The locking assembly generally includes at least one gripping arm for frictionally engaging at least a portion of the adjustable valve mechanism, and an actuating mechanism for controlling the deployment and release of the gripping arm. The locking assembly prevents unintentional adjustments that can adversely affect the pressure settings of the fluid flow control device. In particular, the locking assembly prevents unintentional adjustment, such as may be caused by the presence of a strong external magnetic field. The locking assembly can be easily disengaged, such as through the application or removal of an external mechanical force, to allow a clinician to adjust the pressure settings of the fluid flow control device as necessary.
    • 提供了一种锁定组件,以简单且有效地防止流体流量控制装置中的可调节阀机构的任何无意的调节,而不会影响装置的功能。 锁定组件通常包括至少一个夹紧臂,用于摩擦地接合可调节阀机构的至少一部分,以及用于控制夹持臂的展开和释放的致动机构。 锁定组件防止可能不利地影响流体流量控制装置的压力设置的意外调整。 特别地,锁定组件防止无意的调整,例如可能由于存在强的外部磁场而引起。 锁定组件可以容易地脱离,例如通过施加或移除外部机械力,以允许临床医生根据需要调节流体流量控制装置的压力设置。
    • 9. 发明授权
    • High pressure range hydrocephalus valve system
    • 高压范围脑积水阀系统
    • US07559912B2
    • 2009-07-14
    • US10955258
    • 2004-09-30
    • Daniel J. McCuskerAlan J. Dextradeur
    • Daniel J. McCuskerAlan J. Dextradeur
    • A61M5/00F16K5/00F16K25/00
    • A61M27/006Y10T137/0508
    • A valve for use in a shunt system to drain fluid from one part of a patient's body to another is provided. In an exemplary embodiment, the valve is operable at a threshold pressure that is selectively adjustable up to at least about 400 mm H2O at increments in the range of about 10 mm H2O to 40 mm H2O. The ability of the valve to operate at a high threshold pressure and to be adjusted at relatively small increments renders the valve particularly advantageous for use in younger hydrocephalus patients. In particular, the operating pressure of the valve can be gradually limited in small increments over a period of time to slowly force the patient's own resorption system to circulate cerebrospinal fluid. At high operating pressures of at least about 400 mm H2O shunt independence can be achieved thereby allowing the shunt to be successfully removed.
    • 提供了用于分流系统以将流体从患者身体的一部分排出到另一部分的阀。 在一个示例性实施例中,该阀可在阈值压力下操作,该阈值压力可选择性地调节至多约400mm H 2 O,其范围为约10毫米H 2 O至40毫米H 2 O。 阀在高阈值压力下操作并以相对小的增量进行调节的能力使得瓣膜特别有利于在年轻脑积水患者中使用。 特别地,可以在一段时间内以小增量逐渐限制阀的操作压力,以缓慢地迫使患者自己的吸收系统循环脑脊液。 在至少约400mm的高操作压力下,可以实现H 2 O分流器独立性,从而允许分流器被成功地移除。
    • 10. 发明授权
    • Shunt valve locking mechanism
    • 分流阀锁定机构
    • US07390310B2
    • 2008-06-24
    • US10192394
    • 2002-07-10
    • Daniel McCuskerAlan J. DextradeurRainuka GuptaCarleton Bryan Southworth
    • Daniel McCuskerAlan J. DextradeurRainuka GuptaCarleton Bryan Southworth
    • A61M5/00F16K31/12F16F35/00
    • F16K35/025A61M27/006F16K35/04Y10T70/5615Y10T137/7069Y10T137/7225Y10T137/7256
    • A locking assembly is provided to simply and effectively prevent any unintentional adjustment of the adjustable valve mechanism in a fluid flow control device, without compromising the function of the device. The locking assembly generally includes at least one gripping arm for frictionally engaging at least a portion of the adjustable valve mechanism, and an actuating mechanism for controlling the deployment and release of the gripping arm. The locking assembly prevents unintentional adjustments that can adversely affect the pressure settings of the fluid flow control device. In particular, the locking assembly prevents unintentional adjustment, such as may be caused by the presence of a strong external magnetic field. The locking assembly can be easily disengaged, such as through the application or removal of an external mechanical force, to allow a clinician to adjust the pressure settings of the fluid flow control device as necessary.
    • 提供了一种锁定组件,以简单且有效地防止流体流量控制装置中的可调节阀机构的任何无意的调节,而不会影响装置的功能。 锁定组件通常包括至少一个夹紧臂,用于摩擦地接合可调节阀机构的至少一部分,以及用于控制夹持臂的展开和释放的致动机构。 锁定组件防止可能不利地影响流体流量控制装置的压力设置的意外调整。 特别地,锁定组件防止无意的调整,例如可能由于存在强的外部磁场而引起。 锁定组件可以容易地脱离,例如通过施加或移除外部机械力,以允许临床医生根据需要调节流体流量控制装置的压力设置。