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    • 2. 发明申请
    • BLADELESS OPTICAL OBTURATOR
    • 无光学光学器件
    • US20110190592A1
    • 2011-08-04
    • US13085194
    • 2011-04-12
    • Henry KahleArkadiusz A. StrokoszKimball B. McGinleyScott V. TaylorGary M. JohnsonJohn R. Brustad
    • Henry KahleArkadiusz A. StrokoszKimball B. McGinleyScott V. TaylorGary M. JohnsonJohn R. Brustad
    • A61B1/32A61B17/34
    • A61B17/3417A61B1/3132A61B17/3415A61B17/3421A61B17/3423A61B17/3462A61B17/3468A61B17/3474A61B17/3478A61B17/3496A61B90/361A61B90/92A61B2017/0046A61B2017/00477A61B2017/00907A61B2017/320044A61B2017/3425A61B2017/3445A61B2017/3456A61B2017/346A61B2017/3464A61B2017/347A61B2090/3937
    • The invention is directed to a bladeless trocar obturator to separate or divaricate body tissue during insertion through a body wall. In one aspect, the obturator of the invention comprises a shaft extending along an axis between a proximal end and a distal end; and a bladeless tip disposed at the distal end of the shaft and having a generally tapered configuration with an outer surface, the outer surface extending distally to a blunt point with a pair of side sections having a common shape and being separated by at least one intermediate section, wherein each of the side sections extends from the blunt point radially outwardly with progressive positions proximally along the axis, and the shaft is sized and configured to receive an optical instrument having a distal end to receive an image of the body tissue. With this aspect, the tapered configuration facilitates separation of different layers of the body tissue and provides proper alignment of the tip between the layers. The side sections include a distal portion and a proximal portion, the distal portion of the side sections being twisted radially with respect to the proximal portion of the side sections. The intermediate section includes a distal portion and a proximal portion, the distal portion of the intermediate section being twisted in a first radial direction and the proximal portion of the intermediate section being twisted in a second radial direction opposite the first radial direction.
    • 本发明涉及一种无插管套管针闭塞器,用于在插入穿过体壁时分离或分离身体组织。 一方面,本发明的闭孔器包括沿着近端和远端之间的轴延伸的轴; 以及设置在所述轴的远端处并且具有大致锥形构造并具有外表面的无叶尖,所述外表面向远侧延伸到钝点,一对侧部具有共同的形状并且被至少一个中间体 其中每个所述侧部分从所述钝点径向向外延伸,并具有沿所述轴向近端的渐进位置,并且所述轴的尺寸和构造用于容纳具有远端以接收所述身体组织的图像的光学仪器。 通过这个方面,锥形配置便于分离身体组织的不同层,并提供顶层在层之间的适当对准。 侧部包括远端部分和近端部分,侧部分的远侧部分相对于侧部部分的近端部分径向扭转。 中间部分包括远端部分和近端部分,中间部分的远端部分在第一径向方向上扭转,并且中间部分的近端部分在与第一径向方向相反的第二径向扭转。
    • 6. 发明授权
    • Bladeless optical obturator
    • 无光学光学闭孔器
    • US07947058B2
    • 2011-05-24
    • US10956167
    • 2004-10-01
    • Henry KahleArkadiusz A. StrokoszKimball B. McGinleyScott V. TaylorGary M. JohnsonJohn R. Brustad
    • Henry KahleArkadiusz A. StrokoszKimball B. McGinleyScott V. TaylorGary M. JohnsonJohn R. Brustad
    • A61B17/00
    • A61B17/3417A61B1/3132A61B17/3415A61B17/3421A61B17/3423A61B17/3462A61B17/3468A61B17/3474A61B17/3478A61B17/3496A61B90/361A61B90/92A61B2017/0046A61B2017/00477A61B2017/00907A61B2017/320044A61B2017/3425A61B2017/3445A61B2017/3456A61B2017/346A61B2017/3464A61B2017/347A61B2090/3937
    • The invention is directed to a bladeless trocar obturator to separate or divaricate body tissue during insertion through a body wall. In one aspect, the obturator of the invention comprises a shaft extending along an axis between a proximal end and a distal end; and a bladeless tip disposed at the distal end of the shaft and having a generally tapered configuration with an outer surface, the outer surface extending distally to a blunt point with a pair of side sections having a common shape and being separated by at least one intermediate section, wherein each of the side sections extends from the blunt point radially outwardly with progressive positions proximally along the axis, and the shaft is sized and configured to receive an optical instrument having a distal end to receive an image of the body tissue. With this aspect, the tapered configuration facilitates separation of different layers of the body tissue and provides proper alignment of the tip between the layers. The side sections include a distal portion and a proximal portion, the distal portion of the side sections being twisted radially with respect to the proximal portion of the side sections. The intermediate section includes a distal portion and a proximal portion, the distal portion of the intermediate section being twisted in a first radial direction and the proximal portion of the intermediate section being twisted in a second radial direction opposite the first radial direction.
    • 本发明涉及一种无插管套管针闭塞器,用于在插入穿过体壁时分离或分离身体组织。 一方面,本发明的闭孔器包括沿着近端和远端之间的轴延伸的轴; 以及设置在所述轴的远端处并且具有大致锥形构造并具有外表面的无叶尖,所述外表面向远侧延伸到钝点,一对侧部具有共同的形状并且被至少一个中间体 其中每个所述侧部分从所述钝点径向向外延伸,并具有沿所述轴向近端的渐进位置,并且所述轴的尺寸和构造用于容纳具有远端以接收所述身体组织的图像的光学仪器。 通过这个方面,锥形配置便于分离身体组织的不同层,并提供顶层在层之间的适当对准。 侧部包括远端部分和近端部分,侧部分的远侧部分相对于侧部部分的近端部分径向扭转。 中间部分包括远端部分和近端部分,中间部分的远端部分在第一径向方向上扭转,并且中间部分的近端部分在与第一径向方向相反的第二径向扭转。