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    • 7. 发明申请
    • ACCESS DEVICE HAVING DISCRETE VISUALIZATION LOCATIONS
    • 具有分离可视化位置的访问设备
    • WO2005096968A1
    • 2005-10-20
    • PCT/US2005/010609
    • 2005-03-31
    • ENDIUS, INC.SHLUZAS, Alan, E.DIPOTO, Gene, P.
    • SHLUZAS, Alan, E.DIPOTO, Gene, P.
    • A61B17/34
    • A61B17/3439A61B1/313A61B17/02A61B17/0293A61B17/1757A61B17/7037A61B17/7082A61B17/7083A61B90/50A61B2017/00261A61B2017/0256A61B2017/3445A61B2017/3449A61B2090/306
    • A device (4010) for providing access to a surgical location within a patient comprises an elongate body having a proximal portion (4032) and a distal portion (4028). The elongate body defines a first passage (4066) for accessing the surgical location with surgical instruments. The device (4010) has a contracted configuration for insertion into the patient and an expanded configuration for providing access to the surgical location. The cross-sectional area of the first passage (4066) at a first location of the expanded configuration is greater than the cross-sectional area of the first passage (4066) at a second location of the expanded configuration. A second passage (4012) is separate from the first passage (4066) and is formed integrally with the elongate body. The second passage (4012) extends from the proximal portion (4032) toward the distal portion (4028) and is sized and configured to receive a viewing element for visualizing the surgical location.
    • 用于提供对患者内的手术位置的接近的装置(4010)包括具有近端部分(4032)和远端部分(4028)的细长主体。 细长主体限定用于利用外科器械进入外科手术位置的第一通道(4066)。 装置(4010)具有用于插入到患者体内的收缩构造和用于提供对外科手术位置的接近的扩展构造。 在扩展构型的第一位置处的第一通道(4066)的横截面面积大于扩展构型的第二位置处的第一通道(4066)的横截面积。 第二通道(4012)与第一通道(4066)分离,并与细长体一体形成。 第二通道(4012)从近端部分(4032)延伸到远端部分(4028),并且其尺寸和构造用于容纳用于使外科手术位置可视化的观察元件。
    • 8. 发明申请
    • STRUCTURE FOR RECEIVING SURGICAL INSTRUMENTS
    • WO2004071334A3
    • 2004-08-26
    • PCT/US2004/001664
    • 2004-01-22
    • ENDIUS INCORPORATED
    • DIPOTO, Gene, P.SILVER, WilliamUNGER, John, D.
    • A61M29/00
    • A structure for receiving surgical instruments for performing a surgical procedure on a body includes a passage (16) through which the surgical instruments are inserted into the body. The passage (16) has a proximal end and a distal end. An expandable portion (40) enables an increase in the cross-sectional area of the distal end of the passage (16). The expandable portion (40) has a contracted condition in which the cross-sectional area of the distal end of the passage has a first cross-sectional area. The expandable portion (16) has an expanded condition in which the distal end of the passage has a second cross-sectional area greater than the first cross-sectional area. The second cross-sectional area is greater than a cross-sectional area of the proximal end of the passage when the expandable portion is in the expanded condition. A retaining mechanism (106) resists movement of the expandable portion (40) from the expanded condition toward the contracted condition during the surgical procedure. The retaining mechanism (106) is released at the conclusion of the surgical procedure to permit movement of the expandable portion from the expanded condition toward the contracted condition for removal of the structure.