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    • 61. 发明申请
    • Surgical stapling instrument with a firing member return mechanism
    • 具有击发构件返回机构的手术吻合器械
    • US20080314957A1
    • 2008-12-25
    • US12008266
    • 2008-01-10
    • Chad P. Boudreaux
    • Chad P. Boudreaux
    • A61B17/068A61B19/00
    • A61B17/07207A61B2017/2913A61B2017/2916A61B2017/2923A61B2017/2927A61B2017/2929A61B2017/2943A61B2017/2946A61B2090/0811
    • A surgical instrument including a firing drive configured to selectively advance a firing member and/or cutting member relative to an end effector and, in addition, a reversing drive configured to selectively retract the firing member and/or cutting member relative to the end effector. In various embodiments, the surgical instrument can further include a switch including relatively movable first and second portions, wherein the first portion can be configured to operably disengage the firing drive from the firing member and, in addition, operably engage the reversing drive with the firing member. In at least one embodiment, the second portion can include a handle extending therefrom which can be motivated by the surgeon in order to engage the second portion with the first portion and move the first portion into position.
    • 一种外科器械,包括击发驱动器,其构造成相对于端部执行器选择性地推进击发构件和/或切割构件,另外,构造成相对于末端执行器选择性地缩回击发构件和/或切割构件的反转驱动器。 在各种实施例中,手术器械还可包括开关,其包括相对可移动的第一和第二部分,其中第一部分可构造成将击发驱动器与击发构件可操作地分离,并且另外可操作地与反转驱动器接合, 会员。 在至少一个实施例中,第二部分可以包括从其延伸的手柄,其可由外科医生激励,以便将第二部分与第一部分接合并将第一部分移动到位。
    • 62. 发明申请
    • Surgical stapling and cutting instrument with side mounted retraction member
    • 手术缝合和切割仪器与侧面安装的退回构件
    • US20080237296A1
    • 2008-10-02
    • US11729013
    • 2007-03-28
    • Chad P. BoudreauxChristoper J. Schall
    • Chad P. BoudreauxChristoper J. Schall
    • A61B17/04
    • A61B17/07207A61B17/2909A61B2017/2923A61B2017/2925
    • A surgical stapling and severing instrument particularly suited to endoscopic procedures incorporates a handle that produces separate closing and firing motions to actuate an end effector. In particular, the handle produces multiple firing strokes in order to reduce the required amount of force required to fire (i.e., staple and sever) the end effector. A linked transmission reduces the required handle longitudinal length, yet achieves a rigid, strong configuration when straightened for firing. A traction biased firing mechanism avoids binding in driving this straightened linked rack. The instrument further has a manually actuatable retraction system that does not require the use of additional springs or other mechanisms to generate retraction forces which must be overcome when generating the forces necessary to fire the device. In various embodiments, the retraction system provides a visual indication to the surgeon as to how far firing has progressed.
    • 特别适用于内窥镜手术的手术吻合器和切断器具有一个手柄,其产生分开的关闭和发射运动来致动末端执行器。 特别地,手柄产生多个点火冲程,以便减少火焰所需的所需力量(即订书钉和切断)末端执行器。 连接的传动减少了所需的手柄纵向长度,而在拉直时用于烧制,实现了刚性的强结构。 牵引偏压的发射机构避免了在驱动该直线连接的齿条时的装订。 仪器还具有可手动致动的回缩系统,其不需要使用额外的弹簧或其它机构来产生在产生发射装置所需的力时必须克服的回缩力。 在各种实施例中,缩回系统向外科医生提供关于射击进展的程度的视觉指示。
    • 63. 发明授权
    • Method and apparatus for safety catheter insertion device
    • 安全导管插入装置的方法和装置
    • US06692471B2
    • 2004-02-17
    • US09788073
    • 2001-02-16
    • Chad P. Boudreaux
    • Chad P. Boudreaux
    • A61M532
    • A61M25/0643A61M5/3273A61M25/0618A61M2005/325
    • Apparatuses and methods for safely inserting of a catheter into a patient and the use of a solid needle. An exemplary apparatus of the present invention includes a needle shaft, which is coupled to a solid needle tip. The needle shaft includes a first end, a second end, and a first dimension. The solid needle tip includes a sharp end and a blunt end, a groove, and a second dimension. The second dimension is greater than the first dimension such that a juncture, which is a step up from the first end, is formed when the needle shaft is coupled to the solid needle tip. The groove runs axially along a surface of said solid needle tip and extends from said sharp end to said blunt end. A catheter is disposed about the needle shaft and the solid needle tip with the solid needle tip protruding from an edge of the catheter. A connector is used to couple the catheter to a safety container, which is partially disposed within a body. The safety container is designed to trap the solid needle tip therein after the solid needle tip retracts into the safety container.
    • 用于将导管安全地插入患者体内的装置和方法以及使用固体针。 本发明的示例性装置包括连接到固体针尖的针轴。 针轴包括第一端,第二端和第一尺寸。 固体针尖包括尖端和钝端,凹槽和第二尺寸。 第二尺寸大于第一尺寸,使得当针轴联接到固体针尖时形成从第一端升高的接合部。 所述凹槽沿着所述固体针尖的表面轴向延伸并且从所述尖端延伸到所述钝端。 导管围绕针轴和固体针尖设置,其中固体针尖从导管的边缘突出。 连接器用于将导管连接到安全容器,安全容器部分地设置在身体内。 安全容器设计成在固体针尖缩回到安全容器中之后将固体针尖收集在其中。
    • 68. 发明授权
    • Surgical stapling instrument with a geared return mechanism
    • 具有齿轮回位机构的手术吻合器械
    • US08353437B2
    • 2013-01-15
    • US12697334
    • 2010-02-01
    • Chad P. Boudreaux
    • Chad P. Boudreaux
    • A61B17/068
    • A61B17/07207A61B2017/2913A61B2017/2916A61B2017/2923A61B2017/2927A61B2017/2929A61B2017/2943A61B2017/2946A61B2090/0811
    • A surgical instrument including a firing drive configured to selectively advance a firing member and/or cutting member relative to an end effector and, in addition, a reversing drive configured to selectively retract the firing member and/or cutting member relative to the end effector. The firing drive can include a pawl which can be selectively engaged with the firing member in order to advance the firing member, wherein the pawl can be disengaged from the firing member when the reversing drive is engaged with the firing member. The reversing drive can include a gear train having a first gear operably engaged with the firing member and, in addition, a second gear operably engaged with the first gear, wherein the second gear can be selectively operable with the trigger such that an actuation of the trigger can retract the firing member and/or cutting element via the first and second gears.
    • 一种外科器械,包括击发驱动器,其构造成相对于端部执行器选择性地推进击发构件和/或切割构件,另外,构造成相对于末端执行器选择性地缩回击发构件和/或切割构件的反转驱动器。 射击驱动器可以包括棘爪,其可以选择性地与击发构件接合以便推进击发构件,其中当反转驱动器与击发构件接合时,棘爪可以从击发构件脱离。 反转驱动器可以包括齿轮系,齿轮系具有与击发构件可操作地接合的第一齿轮,并且还包括与第一齿轮可操作地接合的第二齿轮,其中第二齿轮可以选择性地与触发器一起操作, 触发器可以经由第一和第二齿轮缩回击发构件和/或切割元件。