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    • 92. 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。
    • 96. 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。
    • 97. 发明申请
    • INSTRUMENT SEAL
    • 仪器密封
    • US20090234293A1
    • 2009-09-17
    • US12405040
    • 2009-03-16
    • Jeremy J. AlbrechtJohn R. BrustadGary M. JohnsonMatthew W. BecerraEric Nguyen
    • Jeremy J. AlbrechtJohn R. BrustadGary M. JohnsonMatthew W. BecerraEric Nguyen
    • A61B17/34
    • A61B17/3462A61B17/3421A61B2017/3464A61M2039/0633
    • A surgical access port comprises a valve or instrument seal that separates the instrument contact function from the instrument conforming function. Embodiments of the instrument seal comprise in instrument contact element that extends through an opening in a compression element, thereby defining an instrument orifice that seals with an instrument extending therethrough. Embodiments of the instrument contact element comprise a non-distensible membrane or film, for example, as a tube or cylinder. Some embodiments of the instrument contact element have an hourglass configuration with a first end proximal of the opening of the compression element and a second end distal of the opening of the compression element. Other embodiments of the instrument contact element “wrap around” the opening in the compression element, with the first end and the second end secured to the same side of the opening, for example, proximal of the opening. Embodiments of the compression element comprise an elastomeric seal, for example, a septum seal and/or a gel seal.
    • 手术进入口包括将仪器接触功能与仪器符合功能分开的阀或仪器密封件。 仪器密封件的实施例包括在通过压缩元件中的开口延伸的仪器接触元件中,从而限定与延伸穿过其中的仪器密封的仪器孔。 仪器接触元件的实施例包括不可扩张的膜或膜,例如作为管或气缸。 仪器接触元件的一些实施例具有沙漏构造,其具有靠近压缩元件的开口的第一端和压缩元件的开口的远端的第二端。 仪器接触元件的其他实施例“包裹”压缩元件中的开口,其中第一端和第二端固定到开口的相同侧,例如开口的近侧。 压缩元件的实施例包括弹性体密封件,例如隔膜密封件和/或凝胶密封件。
    • 99. 发明授权
    • Seal housing having anti-inversion features
    • 密封外壳具有防反转功能
    • US07591802B2
    • 2009-09-22
    • US11119189
    • 2005-04-29
    • Gary M. JohnsonJeremy J. AlbrechtNabil HilalCharles C. Hart
    • Gary M. JohnsonJeremy J. AlbrechtNabil HilalCharles C. Hart
    • A61M5/178
    • A61B17/3498A61B17/34A61B17/3417A61B17/3462A61B2017/3464A61M39/06A61M2039/0626A61M2039/0633A61M2039/0646A61M2039/0653
    • The invention is directed to a trocar adapted to form a seal around a surgical instrument, the trocar comprising a cannula having an axis extending between a proximal end and a distal end; a housing having a proximal wall and forming with the cannula a working channel sized and configured to receive the instrument; a septum seal disposed in the housing and extending transverse to the axis of the cannula across the working channel, the septum seal having a normal state when the instrument is absent from the working channel and a stretched state when the instrument is being withdrawn from the working channel; portions of the proximal wall of the housing defining an orifice sized and configured to receive the instrument into the working channel; and an elastomeric ring-shaped projection extending axially distally between the proximal wall and the septum seal, the ring-shaped projection having an axial length adapted to deform to prevent inversion and binding of the septum seal and the orifice upon withdrawal of the surgical instrument. In particular, the septum seal is prevented from reaching the orifice in the proximal wall of the housing when the instrument is withdrawn. The projection may be bonded, insert-molded, or compressively fitted to the proximal wall of the housing. The projection may be formed of an elastomeric material such as natural or synthetic rubber. The projection may further comprise a plurality of portions or fingers extending axially distally from the proximal wall, each of the extending portions or fingers may further include a living hinge. In another aspect, the ring-shaped projection may be formed on the surface of the septum seal instead of the proximal wall of the housing. That is, the ring-shaped projection may be formed to extend axially proximally from the surface of the septum seal toward the proximal wall of the housing.
    • 本发明涉及适于在外科器械周围形成密封的套针针,套管针包括具有在近端和远端之间延伸的轴线的插管; 壳体,其具有近侧壁并与套管形成工作通道,工作通道的尺寸和构造用于接收仪器; 隔膜密封件,其设置在壳体中并且跨过工作通道横向于套管的轴线延伸,当仪器不在工作通道中时,隔膜密封件具有正常状态,并且当仪器从工作通道中撤出时的拉伸状态 渠道; 壳体的近侧壁的部分限定了尺寸和构造成将仪器接纳到工作通道中的孔口; 以及在近端壁和隔膜密封件之间沿轴向向远侧延伸的弹性环形突起,所述环形突起具有适于变形的轴向长度,以防止在外科器械撤回时隔垫密封件和孔口的反转和结合。 特别地,当取出仪器时,防止隔垫密封件到达外壳近端的孔口。 突起可以被接合,嵌入成型或压缩地装配到壳体的近侧壁。 突起可以由弹性体材料形成,例如天然或合成橡胶。 突出部还可以包括从近侧壁向轴向延伸的多个部分或手指,每个延伸部分或手指还可包括活动铰链。 另一方面,环形突起可以形成在隔膜密封件的表面上而不是壳体的近侧壁上。 也就是说,环形突起可以形成为从隔膜密封件的表面朝向壳体的近侧壁的轴向向近侧延伸。