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    • 1. 发明申请
    • SURGICAL DEVICE WITH TACK-FREE GEL AND METHOD OF MANUFACTURE
    • 具有无粘性凝胶的手术设备和制造方法
    • WO2005013803A9
    • 2005-06-02
    • PCT/US2004025511
    • 2004-08-05
    • APPLIED MED RESOURCESAHLBERG RUSSELL EADLPARVAR PAYAMTAYLOR SCOTT VWIXEY MATTHEW AMARTINEZ DANIELBRUSTAD JOHN R
    • AHLBERG RUSSELL EADLPARVAR PAYAMTAYLOR SCOTT VWIXEY MATTHEW AMARTINEZ DANIELBRUSTAD JOHN R
    • A61B17/00A61B17/22A61B17/34B29C39/00B29C39/12A61B
    • 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.
    • 公开了一种制作无粘性凝胶的方法,包括以下步骤:提供限定模腔的模具,所述模腔包含塑料材料; 将具有高成型温度的熔融凝胶注入或注入模腔中; 并且形成不粘性凝胶作为模腔的塑料薄层在熔体上熔化。 成型步骤还包括将凝胶从熔融状态冷却到固化状态。 塑料材料的熔化温度低于凝胶的模塑温度; 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。 采用本发明的方法,将熔融凝胶在其模塑温度下的热量传递到LDPE模具的表面上,以熔化薄层LDPE。 模具可以包括具有形成多个模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穿过凝胶中心的轴向孔,LDPE缸提供预定内径用于 模具和安装在轴向销上并设置在模具基座中的每个模腔的底部的LDPE盘。 该方法可以进一步包括在低摩擦粉末例如聚四氟乙烯(PTFE)和润滑剂中蘸取凝胶的步骤。 所述模具还可以包括模具顶部,所述模具顶部设置在所述模具基部的轴向上并且包括形成多个腔体的多个孔,每个所述模具顶部孔适于接收所述LDPE圆筒,并且第二LDPE圆盘设置在所述顶部 模具顶部的每个模腔。
    • 4. 发明申请
    • METHOD FOR MANUFACTURING HIGH FLOW INSUFFLATION NEEDLE STYLET
    • 用于制造高流动消除针头的方法
    • WO2008048808A3
    • 2008-09-18
    • PCT/US2007080731
    • 2007-10-08
    • APPLIED MED RESOURCESTAYLOR SCOTT VBALSCHWETT PAULWIXEY MATTHEW A
    • TAYLOR SCOTT VBALSCHWETT PAULWIXEY MATTHEW A
    • A61M5/32
    • B21G1/08A61B17/3474A61B17/3496A61B2017/00526B21D28/06B21D31/02Y10T29/49995
    • A method for forming a high flow insufflation needle stylet having distal, intermediate and proximal sections includes providing a flat sheet of metal and forming pilot holes in the sheet proximate opposed edges of the sheet A profile of a fiat pattern of the stylet is formed The flat pattern has a proximal end, a distal end and a pair of substantially longitudinal edges At least one support tab is positioned between the flat pattern and the sheet The intermediate and the proximal sections of the stylet are progressively formed into a partial cylindrical shape with the proximal end being open and the longitudinal edges in the intermediate and proximal sections being positioned between about 90° and 180° apart The distal section is progressively formed into a substantially cylindrical shape having a closed distal end The stylet is trimmed from the sheet by cutting the at least one support tab.
    • 用于形成具有远端,中间和近端部分的高流量吹入针管的方法包括提供平坦的金属片,并且在片材的邻近片材的相对边缘处形成引导孔。形成通孔的平坦图案的轮廓。扁平 图案具有近端,远端和一对基本上纵向的边缘。至少一个支撑突片定位在平坦图案和片之间。探针的中间部分和近侧部分逐渐形成为部分圆柱形,其中近端 端部被打开并且中间和近侧部分中的纵向边缘定位在大约90°和180°之间。远端部分逐渐形成为具有封闭的远端的基本上圆柱形的形状。通过切割探针 至少一个支持选项卡。