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    • 6. 发明申请
    • Expandable sheath for percutaneous upper gastrointestinal tract access
    • 用于经皮上消化道通道的可扩展护套
    • US20060259061A1
    • 2006-11-16
    • US11409723
    • 2006-04-24
    • George KickJay LenkerEdward Nance
    • George KickJay LenkerEdward Nance
    • A61M29/00
    • A61M25/0147A61M25/0045A61M25/0075A61M25/0108A61M25/04A61M25/1002A61M29/02A61M2025/0024A61M2025/0034A61M2025/0036A61M2025/0039A61M2210/1053
    • Disclosed is an expandable percutaneous sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion of at least a part of the distal end of the sheath to a second, enlarged cross-sectional configuration. The sheath is configured for use in the upper gastrointestinal tract and has utility in the performance of procedures in the esophagus and stomach. The access route is through the anterior abdominal wall to the stomach. The distal end of the sheath is maintained in the first, low cross-sectional configuration during advancement through the abdominal wall and into the stomach. The distal end of the sheath is subsequently expanded using a radial dilatation device. In an exemplary application, the sheath is utilized to provide access for a diagnostic or therapeutic procedure such as diagnosis and repair of gastro esophageal reflux disease. The sheath further can be secured within the gastrointestinal system and be used to draw the stomach wall against the abdominal wall.
    • 公开了一种可膨胀经皮鞘,用于在第一低截面区域构造中引入身体,并且随后将护套的远端的至少一部分膨胀至第二扩大横截面构型。 护套被配置为用于上消化道,并且可用于在食道和胃中执行手术。 进入路线是通过前腹壁到胃。 护套的远端在推进通过腹壁并进入胃中时保持在第一,低横截面构型。 随后使用径向扩张装置使护套的远端膨胀。 在示例性应用中,护套用于提供诊断或治疗程序的通路,例如胃食管反流病的诊断和修复。 护套还可以固定在胃肠系统内,并用于将胃壁拉向腹壁。
    • 10. 发明申请
    • Medical access sheath
    • 医用护套
    • US20060041270A1
    • 2006-02-23
    • US11124903
    • 2005-05-09
    • Jay LenkerOnnik TchulluianEdward Nance
    • Jay LenkerOnnik TchulluianEdward Nance
    • A61M29/00
    • A61B17/3462A61B17/3439
    • An expandable sheath is insertable into a patient through an incision. Once inserted and advanced to the target surgical site, the sheath can be expanded to an enlarged diameter. The wall of the sheath is fabricated from a tubular structure comprising filamentous elements that extend axially and at least partially circumferentially along the length of the sheath. The tubular filamentous material is drawn or expanded axially to create the small diameter configuration that is inserted into the patient. A standoff attaches the distal end of the tubular filamentous material to the sheath hub by way of radially movable anchors. Additional filamentous tubular material extends out the proximal end of the hub. A compression mechanism forces the additional filamentous tubular material in the distal direction which causes axial compression and radial or diametric dilation of the working length of the sheath, that part of the sheath that extends beyond the proximal end of the hub. Radial dilation is accomplished with no substantial change in sheath working length.
    • 可扩张护套通过切口插入患者体内。 一旦插入和推进到目标手术部位,鞘可以扩大到扩大的直径。 护套的壁由包括丝线元件的管状结构制成,所述丝状元件沿护套的长度轴向延伸并且至少部分沿周向延伸。 管状丝状材料被轴向拉伸或膨胀以产生插入患者体内的小直径构型。 间隔通过可径向移动的锚固件将管状丝状材料的远端附接到护套。 另外的丝状管状材料从毂的近端延伸出来。 压缩机构迫使另外的丝状管状材料在远端方向上,其导致护套的工作长度的轴向压缩和径向或直径扩张,护套的该部分延伸超过轮毂的近端。 径向扩张完成皮鞘加工长度没有显着变化。