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    • 7. 发明授权
    • Combination dissector and expander
    • 组合解剖器和扩张器
    • US5984943A
    • 1999-11-16
    • US179680
    • 1998-10-16
    • Roderick A. Young
    • Roderick A. Young
    • A61B17/00A61B17/02A61B17/32A61B19/00A61F2/12
    • A61B17/0218A61B90/02A61F2/12A61B2017/00557A61B2017/320044A61B2017/320048
    • A combination tissue dissector and long term expander is disclosed for use in plastic surgery applications and other applications where it is desirable to dissect a tissue pocket and serially expand the dissected pocket through long term tissue expansion. The combination device performs the separate functions of dissection and long term expansion in a single balloon package. In an exemplary embodiment, three sheets of substantially inelastic material are bonded together at their outer margins to form two discrete inflatable chambers. The lower inflatable chamber defined by the middle and lower balloon sheets is further welded together at various points over the sheet's surface area to create a semi-rigid base portion which provides a flat well-defined footprint for the balloon. The semi-rigid base prevents further enlargement of the tissue pocket at the margins when the device is utilized as a tissue expander. In a preferred method of use for the combination device, the combination device is tunneled bluntly to a desired location within the body. The device is then inflated to dissect tissue layers along natural tissue planes and create a tissue pocket. After dissection, the combination device may be left within the body as a temporary implant to further expand the tissue pocket through long term expansion until the desired tissue pocket volume is achieved.
    • 公开了一种用于整形手术应用和其它应用的组合组织剥离器和长期膨胀器,其中希望通过长期组织扩张来解剖组织袋并连续扩张解剖口袋。 组合设备在单个气球包中执行单独的解剖和长期扩展功能。 在一个示例性实施例中,三片基本上无弹性的材料在其外边缘处结合在一起以形成两个不连续的可充气室。 由中间和下部气囊片限定的下部可充气腔室进一步在片材的表面区域上的各个点处焊接在一起,以形成半刚性基部,从而为球囊提供平坦明确的覆盖区域。 当该装置用作组织扩张器时,半刚性基部防止在边缘处的组织袋的进一步扩大。 在用于组合装置的优选方法中,组合装置被钝化地隧穿到身体内的期望位置。 然后将装置充气以沿着天然组织平面解剖组织层并产生组织袋。 在解剖之后,组合装置可以作为临时植入物留在体内,以通过长期扩张进一步膨胀组织袋,直到实现所需的组织袋体积。
    • 8. 发明授权
    • Combination dissector and expander
    • US5855588A
    • 1999-01-05
    • US933406
    • 1997-09-19
    • Roderick A. Young
    • Roderick A. Young
    • A61B17/00A61B17/02A61B17/32A61B19/00A61F2/12
    • A61B17/0218A61B90/02A61F2/12A61B2017/00557A61B2017/320044A61B2017/320048
    • A combination tissue dissector and long term expander is disclosed for use in plastic surgery applications and other applications where it is desirable to dissect a tissue pocket and serially expand the dissected pocket through long term tissue expansion. The combination device performs the separate functions of dissection and long term expansion in a single balloon package. In an exemplary embodiment, three sheets of substantially inelastic material are bonded together at their outer margins to form two discrete inflatable chambers. The lower inflatable chamber defined by the middle and lower balloon sheets is further welded together at various points over the sheet's surface area to create a semi-rigid base portion which provides a flat well-defined footprint for the balloon. The semi-rigid base prevents further enlargement of the tissue pocket at the margins when the device is utilized as a tissue expander. In a preferred method of use for the combination device, the combination device is tunneled bluntly to a desired location within the body. The device is then inflated to dissect tissue layers along natural tissue planes and create a tissue pocket. After dissection, the combination device may be left within the body as a temporary implant to further expand the tissue pocket through long term expansion until the desired tissue pocket volume is achieved.