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    • 5. 发明授权
    • Trocar system having expandable port
    • 具有可扩展端口的套管针系统
    • US07294136B2
    • 2007-11-13
    • US10246081
    • 2002-09-17
    • William R. DubrulCraig K. TsujiJohn E. Carlson
    • William R. DubrulCraig K. TsujiJohn E. Carlson
    • A61B17/34A61B17/00
    • A61B17/3439A61B17/00234A61B17/3431A61B17/3474A61B2017/00986A61B2017/3484A61B2090/0815A61F2/0063A61M25/0662A61M2025/0025
    • An apparatus and method for forming and enlarging percutaneous penetrations comprises an elongate dilation member which receives an elongate expansion member in an axial lumen thereof. The dilation tube includes a tubular braid which usually comprises a mesh of non-elastic filaments which are radially expandable from a small diameter configuration to a large diameter configuration and which is optionally covered by a removable sheath. The dilation tube is percutaneously introduced to a target site within a patient's body, usually within the abdomen in a laparoscopic procedure. The sheath (if present) is then removed, and the tubular braid thereafter radially expanded by axial insertion of the expansion member through its lumen. The tubular braid is anchored by axial shortening of the mesh and remains in place to permit subsequent exchange of dilation members to provide for different diameter access lumens. Trocar valves may be removably attached to the proximal end of the expansion member to permit the apparatus to be used as a trocar system in laparoscopic procedures where the patient's abdomen has been insufflated. An anchoring means may optionally be provided at the distal end of the expansion member.
    • 用于形成和扩大经皮穿透的装置和方法包括在其轴向腔内容纳细长膨胀构件的细长扩张构件。 膨胀管包括管状编织物,其通常包括非弹性细丝网,其可从小直径构型径向扩展为大直径构造,并且可选地被可移除护套覆盖。 扩张管经腹腔镜手术经皮导入患者体内的目标部位,通常在腹部。 然后去除护套(如果存在),然后管状编织物通过膨胀构件通过其内腔的轴向插入而径向膨胀。 管状编织物通过网状物的轴向缩短而锚定并保持在适当位置,以允许随后更换膨胀构件以提供不同直径的入口腔。 套管针阀可以可移除地附接到膨胀构件的近端,以允许该装置在腹腔镜手术中用作套管针系统,其中患者的腹部已被吹入。 可以可选地在扩张构件的远端设置锚固装置。
    • 6. 发明授权
    • Trocar system having expandable port
    • 具有可扩展端口的套管针系统
    • US06494893B2
    • 2002-12-17
    • US09879778
    • 2001-06-12
    • William R. DubrulCraig K. TsujiJohn E. Carlson
    • William R. DubrulCraig K. TsujiJohn E. Carlson
    • A61B1734
    • A61B17/3439A61B17/00234A61B17/3431A61B17/3474A61B2017/00986A61B2017/3484A61B2090/0815A61F2/0063A61M25/0662A61M2025/0025
    • An apparatus and method for forming and enlarging percutaneous penetrations comprises an elongate dilation member which receives an elongate expansion member in an axial lumen thereof. The dilation tube includes a tubular braid which usually comprises a mesh of non-elastic filaments which are radially expandable from a small diameter configuration to a large diameter configuration and which is optionally covered by a removable sheath. The dilation tube is percutaneously introduced to a target site within a patient's body, usually within the abdomen in a laparoscopic procedure. The sheath (if present) is then removed, and the tubular braid thereafter radially expanded by axial insertion of the expansion member through its lumen. The tubular braid is anchored by axial shortening of the mesh and remains in place to permit subsequent exchange of dilation members to provide for different diameter access lumens. Trocar valves may be removably attached to the proximal end of the expansion member to permit the apparatus to be used as a trocar system in laparoscopic. procedures where the patient's abdomen has been insufflated. An anchoring means may optionally be provided at the distal end of the expansion member.
    • 用于形成和扩大经皮穿透的装置和方法包括在其轴向腔内容纳细长膨胀构件的细长扩张构件。 膨胀管包括管状编织物,其通常包括非弹性细丝网,其可从小直径构型径向扩展为大直径构造,并且可选地被可移除护套覆盖。 扩张管经腹腔镜手术经皮导入患者体内的目标部位,通常在腹部。 然后去除护套(如果存在),然后管状编织物通过膨胀构件通过其内腔的轴向插入而径向膨胀。 管状编织物通过网状物的轴向缩短而锚定并保持在适当位置,以允许随后更换膨胀构件以提供不同直径的入口腔。 套管阀可以可移除地附接到膨胀构件的近端,以允许该装置用作腹腔镜的套管针系统。 患者腹部已被吹入的手术。 可以可选地在扩张构件的远端设置锚固装置。