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    • 8. 发明授权
    • Devices and methods for percutaneous surgery
    • 用于经皮手术的装置和方法
    • US06206826B1
    • 2001-03-27
    • US09336191
    • 1999-06-18
    • Hallett MathewsBradley T. EstesEddie Ray, IIIMingyan Liu
    • Hallett MathewsBradley T. EstesEddie Ray, IIIMingyan Liu
    • A61B1702
    • A61B17/0293A61B17/025A61B2017/0256
    • A percutaneous surgical system includes a plurality of tissue retractors configured to maintain a working space within soft tissue. The tissue retractors include a prong on their inner surfaces for engaging a ring member. The ring member maintains the position of the tissue retractors while also defining a number of channels inside the ring member. In one embodiment, the ring member includes concentric inner and outer walls connected by support walls. The inner wall defines an inner bore for supporting a working channel sleeve for the introduction of working instruments. A plurality of outer channels are defined between the inner, outer and support walls for the introduction of ancillary instruments to the surgical site. A manipulation tool is also provided that engages each tissue retractor for positioning the retractor within the patient.
    • 经皮手术系统包括多个组织牵开器,其构造成在软组织内保持工作空间。 组织牵开器在其内表面上包括一个尖头,用于与环构件接合。 环构件保持组织牵开器的位置,同时还限定环构件内的多个通道。 在一个实施例中,环构件包括由支撑壁连接的同心的内壁和外壁。 内壁限定了用于支撑用于引入工作仪器的工作通道套筒的内孔。 多个外通道限定在内壁,外壁和支撑壁之间,用于将辅助仪器引入外科手术部位。 还提供了操纵工具,其接合每个组织牵缩器以将牵开器定位在患者体内。
    • 9. 发明申请
    • Systems and methods for fixation of adjacent vertebrae
    • 用于固定相邻椎骨的系统和方法
    • US20050038434A1
    • 2005-02-17
    • US10933155
    • 2004-09-02
    • Hallett Mathews
    • Hallett Mathews
    • A61B17/60A61B17/70A61B17/86A61F2/00A61F2/28A61F2/44A61F5/04A61B17/56A61F2/30
    • A61F2/4455A61B17/70A61B17/7007A61B17/7049A61B17/7059A61B17/86A61F2/442A61F2002/2835A61F2002/2839A61F2002/30329A61F2002/448A61F2002/449A61F2220/0025
    • A method for internal fixation of vertebra of the spine to facilitate graft fusion includes steps for excising the nucleus of an affected disc, preparing a bone graft, instrumenting the vertebrae for fixation, and introducing the bone graft into the resected nuclear space. Disc resection is conducted through two portals through the annulus, with one portal supporting resection instruments and the other supporting a viewing device. The fixation hardware is inserted through small incisions aligned with each pedicle to be instrumented. The hardware includes bone screws, fixation plates, engagement nuts, and linking members. In an important aspect of the method, the fixation plates, engagement nuts and linking members are supported suprafascially but subcutaneously so that the fascia and muscle tissue are not damaged. The bone screw is configured to support the fixation hardware above the fascia. In a further aspect of the invention, a three component dilator system is provided for use during the bone screw implantation steps of the method.
    • 用于内固定脊椎椎体以促进移植物融合的方法包括切除受影响椎间盘的核的步骤,准备骨移植物,将椎骨固定固定,以及将骨移植物引入被切除的核空间。 光盘切除是通过两个门户通过环路进行的,一个门户支持切除仪器,另一个支持观察设备。 固定硬件通过与要检测的每个椎弓根对准的小切口插入。 硬件包括骨螺钉,固定板,接合螺母和连接构件。 在该方法的一个重要方面,固定板,接合螺母和连接构件被上部地支撑而是皮下,以使得筋膜和肌肉组织不被损坏。 骨螺钉构造成支撑在面板上方的固定硬件。 在本发明的另一方面,提供了一种三组分扩张器系统,用于在该方法的骨螺钉植入步骤期间使用。