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    • 91. 发明申请
    • Vaginal applicator for brachytherapy treatment of vaginal and endometrial disease
    • 用于近距离放射治疗阴道和子宫内膜疾病的阴道涂抹器
    • US20090227827A1
    • 2009-09-10
    • US12075120
    • 2008-03-05
    • Heike HausenThomas W. RuschJames E. Jervis
    • Heike HausenThomas W. RuschJames E. Jervis
    • A61M36/10
    • A61N5/1016
    • A vaginal brachytherapy applicator has an insertable tip section, preferably rigid or at least firm enough to retain its shape when inserted, and a tubular handle section extending proximally from the tip section. A common lumen extends from the handle into and through most of the length of the tip section. In one embodiment the tip section is made of a flexible open-celled foam material with a substantially impermeable outer skin, and in this case the tip section can be contracted, or stretched lengthwise to reduce its diameter, for ease of insertion, then re-expanded to its nominal and working configuration prior to insertion of a radiation source into the lumen and irradiation of tissue surrounding the tip section.
    • 阴道近距离放射治疗器具有可插入的尖端部分,优选刚性或至少足够坚固以在插入时保持其形状,以及从尖端部分向近侧延伸的管状手柄部分。 共同的内腔从手柄延伸并穿过尖端部分的大部分长度。 在一个实施例中,尖端部分由具有基本上不可渗透的外皮的柔性开孔泡沫材料制成,并且在这种情况下,尖端部分可以收缩或纵向拉伸以减小其直径,以便于插入, 在将辐射源插入管腔中并且在末梢部分周围的组织的照射之前扩展到其标称和工作配置。
    • 96. 发明授权
    • Ballon dissector with improved visualization
    • Ballon分离器具有改进的可视化
    • US06364892B1
    • 2002-04-02
    • US09364686
    • 1999-07-30
    • James E. Jervis
    • James E. Jervis
    • A61B1700
    • A61M25/0194A61B17/00234A61B17/02A61B17/0218A61B17/320016A61B17/3421A61B17/3439A61B18/08A61B90/361A61B2017/00557A61B2017/0225A61B2017/320044A61B2017/320048A61B2090/0813A61F2/0063A61F2002/0072A61M25/0668A61M25/1002A61M25/1038A61M29/02A61M2025/1081
    • An expansible tunneling apparatus and associated methods for creating an anatomic working space for a surgical procedure. Various embodiments of one and two piece apparatus that permit laparoscopic observation both during tunneling and during subsequent balloon dissection are disclosed. In a disclosed one piece embodiment, a tubular member has a bore extending therethrough and an open distal end. A lip is formed in the distal end of the tubular member to capture the distal tip of a laparoscope that is inserted into the tubular member to permit observation of the procedure both during tunneling to a desired location and during subsequent balloon inflation. An elongated neck of the balloon is secured to the tunneling member. The elongated neck permits the tubular member to be withdrawn slightly from the balloon after inflation to facilitate observation. After the balloon has been advanced to the desired location in the body it is inflated through a balloon inflation lumen to cause the balloon to dissect tissue and create an operating space. Various balloon constructions and a reusable design are also disclosed.
    • 一种可扩展的隧道装置和相关联的方法,用于创建外科手术的解剖工作空间。 公开了在隧道掘进期间和随后的气球解剖期间允许腹腔镜观察的一个和两个装置的各种实施例。 在公开的单件实施例中,管状构件具有延伸穿过其中的孔和敞开的远端。 在管状构件的远端形成唇缘以捕获插入到管状构件中的腹腔镜的远侧末端,以允许在隧道到期望的位置期间和随后的球囊膨胀期间观察手术过程。 气囊的细长的颈部固定在隧道构件上。 细长的颈部允许管状构件在充气之后从气囊中略微抽出以便于观察。 在气囊已经前进到身体中的所需位置之后,其通过球囊膨胀腔充气以使得气囊解剖组织并创建操作空间。 还公开了各种气球结构和可重复使用的设计。
    • 98. 发明授权
    • Apparatus and method for surgical fastening
    • 手术紧固装置及方法
    • US06228098B1
    • 2001-05-08
    • US09113827
    • 1998-07-10
    • Helmut L. KayanJames E. Jervis
    • Helmut L. KayanJames E. Jervis
    • A61B1700
    • A61B17/0684A61B17/068
    • Apparatus and method for applying fasteners during endoscopic surgery includes a handle portion, a triggering mechanism and a fastener application. The fastener applicator is detachable from the handle portion by virtue of a rotational locking system and may be replaced with a new fastener applicator having a fresh load of vertically stacked fasteners. The fastener may be formed around a single point on an anvil. The fastener applicator having only one actuated part in its applicator mechanism, and makes use of biased springs controlled by the position of the actuated part for the remaining part of the mechanism. Another embodiment of the invention deploys a plunger/ratchet assembly and pawl within the handle portion of the apparatus to ensure that the apparatus applicator mechanism will not reverse in the middle of a triggered application stroke. A method of applying a fastener includes the following steps: moving a fastener from a storage channel, where it has been vertically stacked, to a driving channel by a biased fastener positioning spring as a slide is retracted; advancing the slide until the slide engages the fastener in the diving channel and drives the fastener over an anvil to form the fastener. During advancement of the slide a biased stop spring is forced back into a recess thereby allowing the next fastener to move forward in the storage channel in response to the force of a biased pusher spring; retracting the slide thereby freeing the biased ejector springs to kick the formed fastener off the end of the anvil; and further retracting the slide until the fastener positioning spring is once again free to move the distal-most fastener from the storage channel into the driving channel.
    • 在内窥镜手术中应用紧固件的装置和方法包括手柄部分,触发机构和紧固件应用。 紧固件施加器通过旋转锁定系统可从手柄部分拆卸,并且可以用新的紧固件施加器代替,该紧固件施加器具有垂直堆叠的紧固件的新鲜负荷。 紧固件可以围绕砧座上的单个点形成。 紧固件施加器在其施加器机构中仅具有一个致动部件,并且利用由该致动部件的位置控制的偏置弹簧用于机构的剩余部分。 本发明的另一个实施例将柱塞/棘轮组件和棘爪部署在装置的手柄部分内,以确保装置施加器机构在触发的施加冲程的中间不会反转。 一种施加紧固件的方法包括以下步骤:当滑架缩回时,通过偏置的紧固件定位弹簧将紧固件从垂直堆叠的存储通道移动到驱动通道; 推进滑块直到滑块接合在潜水通道中的紧固件并且将紧固件驱动在砧座上以形成紧固件。 在滑块的前进期间,偏置的止动弹簧被迫回到凹部中,从而允许下一个紧固件响应于偏压的推动弹簧的力而在储存通道中向前移动; 缩回滑块,从而释放偏置的顶出弹簧,将形成的紧固件从砧座的端部踢出; 并进一步缩回滑块,直到紧固件定位弹簧再次自由地将最远的紧固件从存储通道移动到驱动通道中。