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    • 35. 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。
    • 38. 发明申请
    • SURGICAL DEVICE WITH TACK-FREE GEL AND METHOD OF MANUFACTURE
    • 无缝凝胶的手术装置及其制造方法
    • WO2005013803A2
    • 2005-02-17
    • PCT/US2004/025511
    • 2004-08-05
    • APPLIED MEDICAL RESOURCES CORPORATIONAHLBERG, Russell, E.ADLPARVAR, PayamTAYLOR, Scott, V.WIXEY, Matthew, A.MARTINEZ, DanielBRUSTAD, John, R.
    • AHLBERG, Russell, E.ADLPARVAR, PayamTAYLOR, Scott, V.WIXEY, Matthew, A.MARTINEZ, DanielBRUSTAD, John, R.
    • A61B
    • A61M3/0279A61B17/3423A61B17/3462A61B17/3498A61B2017/00469A61B2017/22067B29C37/0067B29C39/006B29C39/025B29C39/123
    • A process of making a tack-free gel is disclosed comprising the steps of providing a mold defining a mold cavity, the mold cavity comprising a plastic material; pouring or injecting a molten gel having a high molding temperature into the mold cavity; and forming the tack-free gel as a thin layer of plastic of the mold cavity is melted over the gel. The forming step further comprises cooling the gel from the molten state to a solidified state. The melting temperature of the plastic material is lower than the molding temperature of the gel; and the higher the temperature differential, the greater the melting of the plastic material and the thicker the layer of the plastic material on the surface of the gel. The mold may be formed of low-density polyethylene (LDPE). With the process of the invention, the heat of the molten gel at its molding temperature is transferred to the surface of the LDPE mold so as to melt a thin layer of the LDPE. The mold may comprise a mold base having a plurality of mold holes forming a plurality of mold cavities, each of the mold holes comprising an axial pin to mold an axial hole through a center of the gel, an LDPE cylinder providing a predetermined inside diameter for the mold, and an LDPE disc mounted on the axial pin and disposed at the bottom of each mold cavity in the mold base. The process may further comprise the step of dabbing the gel in a low-friction powder such as polytetrafluoroethylene (PTFE) and a lubricant. The mold may further comprise a mold top disposed axially of the mold base and comprises a plurality of holes forming a plurality of cavities, each of the mold top holes is adapted to receive the LDPE cylinder, and a second LDPE disc disposed at the top of each mold cavity of the mold top.
    • 公开了制造无粘性凝胶的方法,包括以下步骤:提供限定模腔的模具,所述模腔包括塑料材料; 将具有高成型温度的熔融凝胶注入或注入模腔中; 并且将形成无粘性凝胶作为模腔的塑料薄层在凝胶上熔化。 形成步骤还包括将凝胶从熔融状态冷却至固化状态。 塑料材料的熔化温度低于凝胶的成型温度; 并且温差越高,塑料材料的熔化越大,并且凝胶表面上的塑料材料层越厚。 模具可以由低密度聚乙烯(LDPE)形成。 通过本发明的方法,熔融凝胶在其成型温度下的热量转移到LDPE模具的表面,以熔化LDPE的薄层。 模具可以包括具有形成多个模具腔的多个模具孔的模具基座,每个模具孔包括轴向销,以模制通过凝胶的中心的轴向孔,提供预定内径的LDPE圆筒, 模具和安装在轴向销上并设置在模具基座中的每个模具腔的底部的LDPE盘。 该方法还可以包括在诸如聚四氟乙烯(PTFE)和润滑剂的低摩擦粉末中浸渍凝胶的步骤。 模具还可包括设置在模具基座的轴向上的模具顶部,并且包括形成多个空腔的多个孔,每个模具顶部孔适于接纳LDPE圆筒,并且设置在第二LDPE圆盘的顶部 模具顶部的每个模腔。