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    • 2. 发明授权
    • Surgical retractor
    • 手术牵开器
    • US5027793A
    • 1991-07-02
    • US502190
    • 1990-03-30
    • John A. EngelhardtJon C. SerbousekWayne Paprosky
    • John A. EngelhardtJon C. SerbousekWayne Paprosky
    • A61B17/02
    • A61B17/02
    • A surgical retractor is disclosed for use when surgery is performed adjacent a bone and remains in place for an appropriate duration without requiring manual assistance. A barrier member includes a plurality of cannulated fixation posts for its temporary placement on, and attached to, the bone and a soft tissue engaging surface which extends transverse of a surface of the bone. Guides, including the cannulated fixation posts, slidably receive mounting pins which supplement the fixation posts for temporarily attaching the barrier member to the bone. The barrier member is also provided with bottom and top flanges which extend transversely of the soft tissue engaging surface and cooperate therewith to prevent entry of the soft tissue into an adjacent surgical site.
    • 公开了一种手术牵开器,用于在骨骼附近执行手术并且在不需要手动辅助的情况下保持适当的持续时间。 阻挡构件包括多个插管固定柱,用于临时放置在骨上并附着于骨上,并且软骨组织接合表面横向于骨的表面延伸。 包括插管的固定柱的引导件可滑动地接收安装销,所述安装销补充固定柱,用于临时将阻挡构件附接到骨骼。 阻挡构件还设置有横向于软组织接合表面延伸并与其配合以防止软组织进入相邻手术部位的底部和顶部凸缘。
    • 6. 发明授权
    • Modular intramedullary nail system
    • 模块髓内钉系统
    • US4805607A
    • 1989-02-21
    • US128091
    • 1987-12-03
    • John A. EngelhardtRichard R. Tarr
    • John A. EngelhardtRichard R. Tarr
    • A61B17/72A61F5/04
    • A61B17/72A61B17/7241A61B17/7283
    • A modular intramedullary nail system for the repair of long bone fractures. The system comprises several base nails of different lengths and diameters, each of which may be anatomically curved, and several extension members of different lengths and diameters. By selection of various combinations of base nails and extension members, nails of substantially any length and diameter can be constructed at the time of surgery. Nails for left and right bones are interchangeable. A unique construction enables an extension member to be readily and fixedly joined to the trailing end of a base nail so as to prevent inadvertent separation of the base nail and extension member while maximizing strength of the modular nail. The base nail is preferably tri-flanged, each flange terminating at a sharp point at its distal end. Cross screws may also be employed to prevent relative motion between the bone and the nail and also serve to prevent unlocking of the extension member from the base nail.
    • 用于修复长骨骨折的模块化髓内钉系统。 该系统包括几个不同长度和直径的基座钉,每个基部钉可以是解剖学上弯曲的,以及几个不同长度和直径的延伸构件。 通过选择基础指甲和延伸部件的各种组合,可以在手术时构造基本上任何长度和直径的指甲。 左右骨钉是可互换的。 独特的构造使得延伸构件能够容易且牢固地连接到基座钉的后端,以便防止基座钉和延伸构件的意外分离,同时最大化模块化钉的强度。 底钉最好是三角法兰,每个凸缘终止于其远端处的尖锐点。 也可以使用十字螺丝以防止骨与钉子之间的相对运动,并且还用于防止延伸构件从基部钉脱开。