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    • 8. 发明申请
    • INSTRUMENT SEAL
    • 仪器密封
    • WO2009114857A1
    • 2009-09-17
    • PCT/US2009/037295
    • 2009-03-16
    • APPLIED MEDICAL RESOURCES CORPORATIONALBRECHT, Jeremy, J.BRUSTAD, John, R.JOHNSON, Gary, M.BECERRA, Matthew, W.NGUYEN, Eric
    • ALBRECHT, Jeremy, J.BRUSTAD, John, R.JOHNSON, Gary, M.BECERRA, Matthew, W.NGUYEN, Eric
    • A61B17/34
    • A61B17/3462A61B17/3421A61B2017/3464A61M2039/0633
    • A surgical access port comprises a valve or instrument seal that separates the instrument contact function from the instrument conforming function. Embodiments of the instrument seal comprise in instrument contact element that extends through an opening in a compression element, thereby defining an instrument orifice that seals with an instrument extending there through. Embodiments of the instrument contact element comprise a non- distensible membrane or film, for example, as a tube or cylinder. Some embodiments of the instrument contact element have an hourglass configuration with a first end proximal of the opening of the compression element and a second end distal of the opening of the compression element. Other embodiments of the instrument contact element "wrap around" the opening in the compression element, with the first end and the second end secured to the same side of the opening, for example, proximal of the opening. Embodiments of the compression element comprise an elastomeric seal, for example, a septum seal and/or a gel seal.
    • 手术进入口包括将仪器接触功能与仪器符合功能分开的阀或仪器密封件。 仪器密封件的实施例包括在通过压缩元件中的开口延伸的仪器接触元件中,从而限定与在其延伸的仪器密封的仪器孔口。 仪器接触元件的实施例包括不可扩张的膜或膜,例如作为管或气缸。 仪器接触元件的一些实施例具有沙漏构造,其具有靠近压缩元件的开口的第一端和压缩元件的开口的远端的第二端。 仪器接触元件的其他实施例“包裹”压缩元件中的开口,其中第一端和第二端固定到开口的相同侧,例如开口的近侧。 压缩元件的实施例包括弹性体密封件,例如隔膜密封件和/或凝胶密封件。
    • 9. 发明申请
    • EMBOLECTOMY CAPTURE SHEATH
    • WO2005079678A1
    • 2005-09-01
    • PCT/US2005/004913
    • 2005-02-15
    • APPLIED MEDICAL RESOURCES CORPORATIONNGUYEN, EricHART, Charles, C.
    • NGUYEN, EricHART, Charles, C.
    • A61B17/22
    • A61F2/01A61B17/221A61B17/32056A61B2017/2215A61F2/013A61F2002/018A61F2230/0006A61F2230/0067A61M25/0045A61M25/005A61M25/0053A61M25/0074A61M25/0662
    • An access device adapted for use in a body conduit is provided comprising an outer tube having a proximal end and a distal end, an inner tube disposed coaxially with the outer tube having a proximal end and a distal end, and an expandable portion having a first end coupled to the distal end of the outer tube and a second end coupled to the distal end of the inner tube. The outer tube and the inner tube are movable relative to each other to transform the expandable portion between a low-profile state and a high-profile state, and at least one of the outer and inner tubes comprises a wire-reinforced tube or is formed from a plurality of individual, discrete, generally ring-shaped elements arranged in series and fused or bonded together to form a continuous tubular structure. The access device may further comprise an actuator coupled to one of the outer and inner tubes and being movable relative to the other of the outer and inner tubes to transform the expandable portion between the low- and high­ profile states. The expandable portion may be formed with a braid material and has the shape of a cone. The ring-shaped elements may be formed of a thermoplastic or a thermoset material, and they may include at least one of plastic rings, metallic rings, un-reinforced plastic rings and metal reinforced plastic rings assembled along the length of at least one of the tubes to provide variable flexibility and kink-resistance. The wire-reinforced tube is formed by coating a wire with a plastic material, wrapping the coated wire around a mandrel forming a plurality of windings, and heating the wound coated wire until the plastic material melts and bonds the windings forming the wire-reinforced tube.
    • 一种适于在体导管中使用的进入装置,其包括具有近端和远端的外管,与外管同轴的内管,其具有近端和远端,以及具有第一 端部联接到外管的远端,并且第二端联接到内管的远端。 外管和内管可相对于彼此移动,以在小轮廓状态和高轮廓状态之间转换可膨胀部分,并且外管和内管中的至少一个包括线加强管或形成 从多个单独排列的大致环形元件串联布置并且熔合或结合在一起以形成连续的管状结构。 进入装置还可以包括致动器,其连接到外管和内管中的一个并且可相对于外管和内管中的另一个移动,以在低和高轮廓状态之间转换可膨胀部分。 可膨胀部分可以用编织材料形成并具有圆锥形状。 环形元件可以由热塑性材料或热固性材料形成,并且它们可以包括塑料环,金属环,未增强塑料环和金属加强塑料环中的至少一种,沿着至少一个 管子提供可变的柔性和抗扭结。 线材增强管通过用塑料材料涂覆线材来形成,将涂覆的线材围绕形成多个绕组的心轴缠绕,并加热缠绕的涂覆的线材,直到塑料材料熔化并结合形成线材增强管的绕组 。