INVERTED CONICAL EXPANDABLE RETRACTOR
    1.
    发明申请
    INVERTED CONICAL EXPANDABLE RETRACTOR 有权
    反转式可膨胀回缩器

    公开(公告)号:US20110144589A1

    公开(公告)日:2011-06-16

    申请号:US12636020

    申请日:2009-12-11

    IPC分类号: A61B17/34

    摘要: Access devices and related methods are disclosed that generally involve flexible or adjustable cannulas that have a substantially cylindrical insertion configuration and a substantially conical expanded configuration. Various methods and features are provided for transitioning the cannula from the insertion configuration to the expanded configuration while the access device is inserted through tissue to form a conical opening through the tissue. Examples include cables, biasing elements, retaining elements, bimodal rings, and coil springs. The devices and methods disclosed herein can allow for improved retention of the access device, improved angulation of instruments passed through the access device, and can increase the integrity of a seal formed between the access device and surrounding tissue.

    摘要翻译: 公开了通常涉及具有基本上圆柱形的插入构型和基本圆锥形的膨胀构型的柔性或可调节插管的通路装置和相关方法。 提供了各种方法和特征,用于将插管从插入构型转换到扩展构型,同时将进入装置插入穿过组织以形成通过组织的锥形开口。 示例包括电缆,偏置元件,保持元件,双峰环和螺旋弹簧。 本文公开的装置和方法可以允许改进的存取装置的保持性,改善通过进入装置的装置的角度,并且可以增加形成在进入装置和周围组织之间的密封的完整性。

    Inverted conical expandable retractor
    4.
    发明授权
    Inverted conical expandable retractor 有权
    倒锥形膨胀式收缩器

    公开(公告)号:US08231570B2

    公开(公告)日:2012-07-31

    申请号:US12636020

    申请日:2009-12-11

    IPC分类号: A61M29/00

    摘要: Access devices and related methods are disclosed that generally involve flexible or adjustable cannulas that have a substantially cylindrical insertion configuration and a substantially conical expanded configuration. Various methods and features are provided for transitioning the cannula from the insertion configuration to the expanded configuration while the access device is inserted through tissue to form a conical opening through the tissue. Examples include cables, biasing elements, retaining elements, bimodal rings, and coil springs. The devices and methods disclosed herein can allow for improved retention of the access device, improved angulation of instruments passed through the access device, and can increase the integrity of a seal formed between the access device and surrounding tissue.

    摘要翻译: 公开了通常涉及具有基本上圆柱形的插入构型和基本圆锥形的膨胀构型的柔性或可调节插管的通路装置和相关方法。 提供了各种方法和特征,用于将插管从插入构型转换到扩展构型,同时将进入装置插入穿过组织以形成通过组织的锥形开口。 示例包括电缆,偏置元件,保持元件,双峰环和螺旋弹簧。 本文公开的装置和方法可以允许改进的存取装置的保持性,改善通过进入装置的装置的角度,并且可以增加形成在进入装置和周围组织之间的密封的完整性。