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    • 3. 发明授权
    • Articulating surgical device and method of use
    • 铰接手术装置及其使用方法
    • US08287469B2
    • 2012-10-16
    • US11971410
    • 2008-01-09
    • David StefanchikRagae M. GhabrialJames T. Spivey
    • David StefanchikRagae M. GhabrialJames T. Spivey
    • A61B5/00
    • A61B17/3421A61B1/00073A61B1/0014A61B17/29A61B17/2909A61B2017/003A61B2017/00477A61B2017/3447
    • Various embodiments of an elongate surgical device configured to travel along a tortuous body lumen to a surgical site are provided herein. In one embodiment, the device can include a tensioning element extending through a channel formed along a length of the device and the tensioning element can translate an articulation force to the working end of the device. During such articulation of the device, a portion of the channel can be configured to allow the tensioning element to exit the channel and move away from a longitudinal axis of the device thereby optimizing a mechanical advantage relative to the distal end of the device and thus maximizing the force capable of being delivered thereto. Additionally, various embodiments of a method for articulating a working end of an elongate surgical device are provided herein.
    • 这里提供了构造成沿曲折的体腔行进到外科手术部位的细长手术装置的各种实施例。 在一个实施例中,该装置可以包括延伸穿过沿着装置的长度形成的通道的张紧元件,并且张紧元件可以将铰接力平移到装置的工作端。 在装置的这种关节过程中,通道的一部分可以构造成允许张紧元件离开通道并远离装置的纵向轴线移动,从而优化相对于装置的远端的机械优点,从而最大化 能够传递给它的力。 此外,本文提供了用于铰接细长外科手术装置的工作端的方法的各种实施例。
    • 5. 发明授权
    • Selective stiffening devices and methods
    • 选择性加固装置及方法
    • US09066655B2
    • 2015-06-30
    • US11952475
    • 2007-12-07
    • David StefanchikRagae M. Ghabrial
    • David StefanchikRagae M. Ghabrial
    • A61B1/00A61B1/04A61M31/00A61M37/00A61B1/005
    • A61B1/005A61B1/00078A61B1/00147
    • Methods and devices are provided for selectively stiffening a surgical device. In one exemplary embodiment a surgical device is provided that includes a flexible elongate insertion element and a stiffening element that extends along at least a portion of the insertion element. The insertion element can be, for example, an endoscope or a sheath configured to be disposed over an endoscope. The stiffening element can be configured to selectively stiffen when an outside force, such as a vacuum force, is applied thereto. In one embodiment the stiffening element includes a plurality of elongate members disposed in a flexible sheath. When the vacuum force is applied, the sheath can be configured to engage the elongate members to maintain the elongate members in a fixed, stiffened position, thereby stiffening at least a portion of the flexible elongate insertion element coupled thereto. Various methods for stiffening an insertion instrument, such as an endoscope, are also provided herein.
    • 提供了用于选择性加强外科手术装置的方法和装置。 在一个示例性实施例中,提供外科装置,其包括柔性细长插入元件和沿插入元件的至少一部分延伸的加强元件。 插入元件可以是例如被配置为设置在内窥镜上的内窥镜或护套。 加强元件可以构造成当外力(例如真空力)施加到其上时选择性地加固。 在一个实施例中,加强元件包括设置在柔性护套中的多个细长构件。 当施加真空力时,护套可以被构造成接合细长构件以将细长构件保持在固定的加强位置,从而加强与其连接的柔性细长插入元件的至少一部分。 本文还提供了用于加强诸如内窥镜的插入器具的各种方法。
    • 7. 发明申请
    • SELECTIVE STIFFENING DEVICES AND METHODS
    • 选择性强化装置和方法
    • US20090149710A1
    • 2009-06-11
    • US11952475
    • 2007-12-07
    • David StefanchikRagae M. Ghabrial
    • David StefanchikRagae M. Ghabrial
    • A61B1/01
    • A61B1/005A61B1/00078A61B1/00147
    • Methods and devices are provided for selectively stiffening a surgical device. In one exemplary embodiment a surgical device is provided that includes a flexible elongate insertion element and a stiffening element that extends along at least a portion of the insertion element. The insertion element can be, for example, an endoscope or a sheath configured to be disposed over an endoscope. The stiffening element can be configured to selectively stiffen when an outside force, such as a vacuum force, is applied thereto. In one embodiment the stiffening element includes a plurality of elongate members disposed in a flexible sheath. When the vacuum force is applied, the sheath can be configured to engage the elongate members to maintain the elongate members in a fixed, stiffened position, thereby stiffening at least a portion of the flexible elongate insertion element coupled thereto. Various methods for stiffening an insertion instrument, such as an endoscope, are also provided herein.
    • 提供了用于选择性加强外科手术装置的方法和装置。 在一个示例性实施例中,提供外科装置,其包括柔性细长插入元件和沿插入元件的至少一部分延伸的加强元件。 插入元件可以是例如被配置为设置在内窥镜上的内窥镜或护套。 加强元件可以构造成当外力(例如真空力)施加到其上时选择性地加固。 在一个实施例中,加强元件包括设置在柔性护套中的多个细长构件。 当施加真空力时,护套可以被构造成接合细长构件以将细长构件保持在固定的加强位置,从而加强与其连接的柔性细长插入元件的至少一部分。 本文还提供了用于加强诸如内窥镜的插入器具的各种方法。
    • 9. 发明授权
    • Patient-referenced surgical support frame
    • 病人参考的手术支架
    • US09247997B2
    • 2016-02-02
    • US13249883
    • 2011-09-30
    • David StefanchikOmar J. Vakharia
    • David StefanchikOmar J. Vakharia
    • A61B1/32A61B19/00A61B17/34A61B17/00
    • A61B19/26A61B17/3417A61B90/50A61B2017/00535A61B2017/00876A61B2017/00991A61B2017/3447A61B2017/347
    • A patient-referenced surgical support frame and method of use are provided. In one embodiment, a surgical support frame can have at least three support members coupled by adjustable linkages. Each support member can have a lumen extending therethrough for receiving a cannula, and each support member can be configured such that the at least three support members (or the cannulas extending therethrough) are angularly adjustable relative to one another, and such that a distance between each of the at least three support members is adjustable. In use, the surgical support frame can be positioned on a skin surface of a patient and used to retain one or more instruments extending through the support members in a fixed orientation or position with respect to the patient, thereby allowing more than two instruments to be used simultaneously.
    • 提供了一种患者参考的手术支架和使用方法。 在一个实施例中,手术支撑框架可以具有通过可调节联接件联接的至少三个支撑构件。 每个支撑构件可以具有延伸穿过其中用于接纳插管的内腔,并且每个支撑构件可被构造成使得至少三个支撑构件(或穿过其中的插管)可相对于彼此成角度地调节,并且使得 所述至少三个支撑构件中的每一个都是可调节的。 在使用中,手术支撑框架可以定位在患者的皮肤表面上并用于保持一个或多个仪器以相对于患者的固定取向或位置延伸穿过支撑构件,从而允许两个以上的器械 同时使用