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    • 51. 发明申请
    • ENDOSCOPIC PORTAL FOR USE IN ENDOSCOPIC PROCEDURES AND METHODS THEREFOR
    • 内镜手术中使用的内窥镜门户及其方法
    • WO1994022357A2
    • 1994-10-13
    • PCT/US1994003554
    • 1994-03-31
    • YOON, InBae
    • A61B00/00
    • A61M39/06A61B17/3421A61B17/3462A61B17/3498A61B2017/3464A61M39/0613A61M2039/0626A61M2039/0673
    • An endoscopic portal includes a portal sleeve for insertion through a cavity wall and having an open distal end for positioning within the cavity and an open proximal end for positioning externally of the cavity and a valve assembly disposed adjacent the portal sleeve proximal end. The valve assembly includes a bladder having a passage therethrough permitting insertion of instruments of various sizes in the portal sleeve through the passage of the bladder. The bladder has means therein for compressing the passage to cause the bladder to contact the instruments inserted through the passage in sealing relation. The portal sleeve includes an expandable lumen allowing instruments and objects larger in size than the inner diameter of the portal sleeve to be passed therethrough. A method of inserting instruments through en endoscopic portal includes the steps of inserting an instrument through a passage of a bladder filled with compressible material adjacent an end of the endoscopic portal disposed externally of an anatomical cavity and compressing the passage with the compressible material to cause the bladder to contact the instrument in sealing relation to prevent undesired fluid flow through the endoscopic portal.
    • 内窥镜入口包括入口套筒,用于插入空腔壁并具有用于定位在空腔内的开口远端和用于在腔体外部定位的开放近端和邻近入口套管近端设置的阀组件。 阀组件包括具有穿过其中的通道的囊,其允许通过囊的通道将各种尺寸的器械插入入口套筒中。 气囊具有用于压缩通道的装置,以使气囊以密封关系与通过通道插入的仪器接触。 入口套筒包括可扩张腔,其允许尺寸大于门静脉套筒内径的仪器和物体通过。 通过内窥镜入口插入器械的方法包括以下步骤:将仪器通过填充有可压缩材料的气囊的通道邻近设置在解剖腔外部的内窥镜入口的端部,并用可压缩材料压缩通道,以使 膀胱以密封关系接触仪器,以防止不期望的液体流过内窥镜入口。
    • 52. 发明申请
    • SEAL ACCOMODATING DIAMETRICAL RANGE OF SURGICAL INSTRUMENTS
    • 密封接受手术仪器的直径范围
    • WO1994017844A1
    • 1994-08-18
    • PCT/US1994001569
    • 1994-02-09
    • ORIGIN MEDSYSTEMS, INC.
    • ORIGIN MEDSYSTEMS, INC.LOOMAS, Bryan, E.LUNSFORD, John, P.HLAVKA, Edwin, J.
    • A61M05/00
    • A61M39/0613A61B17/3462A61B17/3498A61B2017/3464A61M39/06A61M2039/0279A61M2039/0626A61M2039/0673A61M2039/0686
    • A seal (10) for use with a surgical instrument to provide a gas tight seal with the instrument having a diameter within a wide range of diameters. The seal (10) comprises a seal body (30), an instrument seal (32), and a laterally compliant seal mounting (34). The seal body (30) includes a bore through which the instrument is passed. The instrument seal (32) is made of an elastic material. The instrument seal (32) extends radially outwards from an instrument port (38) formed in the instrument seal through which the instrument is passed, and also extends axially from the instrument port (38) in the direction opposite to that in which the instrument is passed through the instrument port. The laterally compliant seal mounting (34) mounts the instrument seal to the seal body (30), forms a gas tight seal between the instrument seal and the seal body, and allows the instrument seal to move freely laterally in response to lateral movement of the instrument.
    • 一种用于与外科器械一起使用的密封件(10),以提供具有在宽范围直径内的直径的仪器的气密密封。 密封件(10)包括密封体(30),仪器密封件(32)和横向柔性密封件安装件(34)。 密封体(30)包括孔,仪器通过该孔。 仪器密封件(32)由弹性材料制成。 仪器密封件(32)从仪器通过仪器密封件的仪器端口(38)径向向外延伸,并且仪器端口(38)沿仪器端口(38)沿与仪器所在的方向相反的方向轴向延伸 通过仪器端口。 侧向柔顺的密封安装件(34)将仪器密封件安装到密封体(30)上,在仪器密封件和密封体之间形成气密密封,并且允许仪器密封件响应于横向移动 仪器。
    • 55. 发明申请
    • HEMOSTATIC VALVE FOR HEART PUMP INTRODUCER
    • 蜂窝泵用于心脏泵的介绍
    • WO2017049144A1
    • 2017-03-23
    • PCT/US2016/052226
    • 2016-09-16
    • ABIOMED, INC.
    • MURPHY, John
    • A61M39/06
    • A61M39/06A61M1/122A61M2039/062A61M2039/0633A61M2039/0686
    • An introducer sheath (400) for percutaneous insertion of a heart pump includes a tubular sheath body (402) having a wall (404), a proximal end portion (406), a distal end portion (408), and an inner lumen (410). The introducer sheath includes a hemostatic valve (300) disposed in the proximal end portion and forming a liquid tight seal across the inner lumen of the tubular sheath body. The hemostatic valve (300) includes a valve cavity (302) having a distal end and a proximal end (424), a first annular restriction (306) formed within the valve cavity and having a first diameter, and a second annular restriction (308) formed within the valve cavity distal to the first annular restriction and having a second diameter. The distal end of the valve cavity is spaced from the second annular restriction by a gap distance (307) and a third diameter of the valve cavity along the gap distance is about equal to or greater than the first and second diameters.
    • 用于经皮插入心脏泵的引导器护套(400)包括具有壁(404),近端部分(406),远端部分(408)和内腔(410)的管状护套主体(402) )。 引导器鞘包括设置在近端部分中的止血阀(300),并且穿过管状护套主体的内腔形成液体密封。 止血阀(300)包括具有远端和近端(424)的阀腔(302),形成在阀腔内并具有第一直径的第一环形限制器(306)和第二环形限制件(308) )形成在阀腔内远离第一环形限制器并且具有第二直径。 阀腔的远端与第二环形限制件间隔开间隙距离(307),并且沿着间隙距离的阀腔的第三直径约等于或大于第一和第二直径。