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    • 4. 发明授权
    • Helically wound blood filter
    • 螺旋血液过滤器
    • US4092246A
    • 1978-05-30
    • US798666
    • 1977-05-19
    • Frederick J. Kummer
    • Frederick J. Kummer
    • A61M5/165B01D29/00B01D29/01B01D35/10B01D37/00
    • B01D35/10A61M5/165B01D29/03B01D29/073B01D29/58
    • A filter for the filtration of blood characterized by a high flow rate with low pressure drop, which filter comprises: a filter housing; an inlet in the housing for the introduction of the blood to be filtered; an outlet in the housing for the removal of filtered blood; and a filter element disposed within the housing, which element comprises a helically coiled strip of sheet material containing a surface layer of fibrous flocked material on at least one side thereof, the sheet material wound into a helical coil of desired tightness, and the flocked material selected to remove particles from the blood to be filtered.
    • 用于过滤血液的过滤器,其特征在于具有低压降的高流速,该过滤器包括:过滤器壳体; 用于引入待过滤的血液的壳体中的入口; 用于移除过滤血液的外壳中的出口; 以及设置在所述壳体内的过滤元件,所述元件包括在其至少一侧上包含纤维状植绒材料的表面层的片状材料的螺旋状盘绕条,所述片材卷绕成所需密度的螺旋形线圈,并且所述植绒材料 选择以从要过滤的血液中除去颗粒。
    • 5. 发明授权
    • Cement plug for the medullary canal of a bone and coacting tool for
installing same
    • US5092891A
    • 1992-03-03
    • US490711
    • 1990-03-08
    • Frederick J. KummerSteven A. Stuchin
    • Frederick J. KummerSteven A. Stuchin
    • A61F2/00A61F2/30A61F2/46
    • A61F2/4614A61F2/30723A61F2002/30143A61F2002/30382A61F2002/30579A61F2002/4627A61F2002/4631A61F2220/0033A61F2230/0017
    • A cement plug for sealing the medullary canal of a bone to restrict the flow of cement, debris, etc. beyond a predetermined point in the canal. The cement plug, which is executed in a biocompatible plastic, comprises (1) a tubular body that is a slit axially at three or more locations to define resilient fingers, (2) an obturator plate located at the upper end of the body, (3) a tapered conical plug that can be advanced through the lower end of the body and intot he interior thereof, and (4) a threaded bolt that extends through the tubular body and into the conical plug. Locator holes are formed in the obtrator plate, and sharpe edges, teeth, or locator tab(s) are formed on the outer surface of the conical plug so that said plug does not rotate relative to the tubular body of the plug. An insertion tool, including an inner tube and an outer tube, is engaged within the locator by depending plins. The lower end of the inner tube engages the upper end of the threaded bolt. By rotating a handle so that the tubes move relative to one another, a torquing force is imparted to the head of the bolt. The bolt draws the plug upwardly into the interior of the plug body. Such upward movement of the tapered conical plug forces the resilient fingers outwardly into secure engagement with the wall defining the medullary canal.Cement, under pressure, is then forced down the medullary canal. The obturator plate, which is situated perpendicular to the body of the plug at the upper end thereof, serves as a barrier to the flow of cement. The obturator plate extends transversely across the medullary canal and may even bow slightly under such pressure; however, the plug will not slip and the cement will now flow, leak or migrate past the plate and adversely impact upon the resilient fingers. The obturator plate may even serve as a secondary gripping member. The plug thus forms a stable platform atop which a prosthesis may be accurately positioned.
    • 6. 发明授权
    • Protector pad
    • 保护垫
    • US5062433A
    • 1991-11-05
    • US465387
    • 1990-01-16
    • Frederick J. Kummer
    • Frederick J. Kummer
    • A41D13/05A61F15/00
    • A61F15/008A41D13/0506A41D13/0156Y10T428/24149
    • A protector to prevent hip fracture and/or bed-sores and/or protect a wound or wound area is formed from an outer load bearing member reinforced by internal ridges. The protector is dome shaped with structured ridges to form an internal dome or clearance for the region of desired protection. A soft inner sheet is attached for comfort. This structure has less bulk and weight than a solid pad. The outer shell formation distributes the load or pressure to the edges of the device, protecting the organ covered by the dome. The pad may have different internal ridge patterns to provide flexibility for user comfort.
    • 由内部脊部增强的外部承载构件形成防止髋部骨折和/或褥疮和/或保护伤口或伤口区域的保护器。 保护器是圆顶形的,具有结构化的脊,以形成所需保护区域的内部圆顶或间隙。 安装柔软的内部片材以获得舒适感。 该结构具有比固体垫更少的体积和重量。 外壳形状将负载或压力分配到装置的边缘,保护由圆顶覆盖的器官。 垫可具有不同的内脊图案,以提供用户舒适度的灵活性。
    • 7. 发明授权
    • Bone cerclage tool
    • 骨结扎工具
    • US5851209A
    • 1998-12-22
    • US586228
    • 1996-01-16
    • Frederick J. KummerKenneth Koval
    • Frederick J. KummerKenneth Koval
    • A61B17/14A61B17/88A61B17/56
    • A61B17/8861A61B17/149A61B17/8875
    • A bone cerclage tool for conformally slidably abutting a device circumferentially about a bone, such that orthopedic surgical procedures can be performed on and/or in the vicinity of the bone with minimal access and/or visibility and satisfying the need for complex maneuvering around anatomical parts and minimizing unnecessary tissue removal and contact with delicate areas. The bone cerclage tool can be used to encircle a bone with a suture, wire, cable, band, or device, to secure the bone in place, or perform operations on the bone or in the vicinity of the bone. The bone cerclage tool has a resilient member housed within a curved tube for guiding a device adjoined to the resilient member circumferentially about the bone and an exit section for directing the device to conformally slidably abut against the bone as the device is extended from the exit section. A push-pull member housed within a tubular housing and adjoined to the resilient member is used to extend or retract the device.
    • 一种骨固定工具,用于沿着骨周向周向可滑动地邻接装置,使得可以以最小的进入和/或可视性在骨骼上和/或附近进行整形外科手术,并且满足围绕解剖部位的复杂操纵的需要 并尽可能减少不必要的组织去除和与细微区域的接触。 骨结扎工具可用于用缝合线,电线,电缆,带或装置环绕骨骼,以将骨固定到位,或对骨骼或骨附近进行操作。 所述骨结扎工具具有容纳在弯曲管内的弹性构件,用于引导邻近所述弹性构件的围绕所述骨周向的装置;以及出口部,用于当所述装置从所述出口部分延伸时引导所述装置保形地可滑动地抵靠所述骨骼 。 容纳在管状壳体内并与弹性构件邻接的推拉构件用于延伸或缩回装置。
    • 8. 发明授权
    • Attachment for femur sliding screw plate
    • 股骨滑动螺丝板附件
    • US4973332A
    • 1990-11-27
    • US242650
    • 1988-09-12
    • Frederick J. Kummer
    • Frederick J. Kummer
    • A61B17/74
    • A61B17/746
    • A femur sliding screw plate is improved by adding flanges or wings on either side of a central portion, the flanges extending at least partially around the femur shaft. Preferrably, the flanges are provided integral to a centrally raised part which fits over a portion of the leg of a basic screw plate. Screw holes in the sliding screw plate align with screw holes in the basic screw plate and the sliding screw plate is attached to the basic screw plate and each screw plate is attached to the femur by common screws. The flanges each have screw holes, offset from the screw holes in the centralloy raised portion, screws being used to secure the flanges to outlying portions of the femur shaft in order to more fully consolidate fragments of the fractured femur. Alternatively a screw plate is provided with integral flanges extending from the leg of the screw plate.
    • 通过在中心部分的任一侧上添加凸缘或翼片来改善股骨滑动螺钉板,所述凸缘至少部分地围绕股骨轴延伸。 优选地,凸缘与中心凸起部分一体地设置,该中央凸起部分配合在基本螺旋板的腿的一部分上。 滑动螺丝板中的螺丝孔与基本螺丝板上的螺孔对齐,滑动螺丝板安装在基本螺丝板上,每个螺丝板通过普通螺丝固定在股骨上。 凸缘各自具有与中心合金凸起部分中的螺钉孔偏移的螺钉孔,用于将凸缘固定到股骨轴的外围部分的螺钉,以便更完全地固结骨折股骨的碎片。 或者,螺钉板设置有从螺钉板的腿部延伸的整体凸缘。