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1. 发明授权

US5037423A Method and instrumentation for the replacement of a knee prosthesis 失效
标题翻译：用于更换膝盖假体的方法和仪器
公开(公告)号：US5037423A
公开(公告)日：1991-08-06
申请号：US520483
申请日：1990-05-07
申请人： Robert V. Kenna
发明人： Robert V. Kenna
IPC分类号： A61B17/15 , A61F2/38
CPC分类号： A61B17/155 , A61F2/38
摘要： A novel method for replacing a previously implanted knee joint prosthesis in a patient is disclosed in which the previously implanted femoral component is replaced with a revision femoral component having thicker distal and posterior bearing portions so as to restore the natural anatomic transverse joint plane and collateral ligamentous balance in extension and flexion of the prosthetic joint. Instrumentation for use in this method includes a novel revision cutting jig which is used in the preparation of the distal end of the femur for the implantation of the revision femoral component.
摘要翻译：公开了一种用于替换患者中先前植入的膝关节假体的新方法，其中先前植入的股骨部件被替换为具有较厚的远侧和后部轴承部分的修正股骨部件，以便恢复天然解剖横向关节平面和副韧带假肢关节的伸展和屈曲平衡。用于该方法的仪器包括一种新型的修剪切割夹具，其用于制备用于植入修正股骨组件的股骨远端。

2. 发明授权

US4828562A Anterior cruciate ligament prosthesis 失效
标题翻译：前交叉韧带假体
公开(公告)号：US4828562A
公开(公告)日：1989-05-09
申请号：US152129
申请日：1988-02-04
申请人： Robert V. Kenna
发明人： Robert V. Kenna
IPC分类号： A61F2/08
CPC分类号： A61F2/0811 , A61F2002/0829 , A61F2002/0864 , A61F2002/087 , A61F2002/0882 , Y10S606/907
摘要： An adjustable housing suitable to be used with another housing and with a synthetic ligament so as to provide (for example) an anterior cruciate ligament prosthesis system for a knee joint is provided. The adjustable housing features an interior having a step shoulder located therein. A set screw in the housing fixes the synthetic ligament at a desired level of tension. The system has many significant advantages including (but not limited to) being able to withstand very high loads and being able to be retensioned repeatedly and easily without replacing the artificial ligament.

3. 发明授权

US4755183A Ligament prosthesis 失效
标题翻译：韧带假体
公开(公告)号：US4755183A
公开(公告)日：1988-07-05
申请号：US12409
申请日：1987-02-09
申请人： Robert V. Kenna
发明人： Robert V. Kenna
IPC分类号： A61F2/08
CPC分类号： A61F2/0811 , A61F2002/0829 , A61F2002/0864 , A61F2002/087 , A61F2002/0882
摘要： A prosthesis for an anterior cruciate ligament features first and second elongate members, first and second separately tensionable cords, a catch means on the bore surface of each elongate member, and a means for securing the elongate members to the femur and tibia, respectively. The prosthesis has the significant advantage of being able to replace and to perform in substantially the same manner as a natural anterior cruciate ligament. The separate tensioning followed by fixing of the two cords in the implanted prosthesis results in a substantially smoother and more stable range of motion than has been possible with prior art prostheses.

4. 发明授权

US4621630A Guide for femoral neck osteotomy 失效
标题翻译：股骨颈截骨术指南
公开(公告)号：US4621630A
公开(公告)日：1986-11-11
申请号：US485541
申请日：1983-04-15
申请人： Robert V. Kenna
发明人： Robert V. Kenna
IPC分类号： A61B17/14 , A61B17/15 , A61B17/56 , A61F5/04
CPC分类号： A61B17/15
摘要： A guide for femoral neck osteotomy comprises a longitudinal rod having attaching structure at the lower end thereof for securing the rod to a femur at the greater trochanter. A transversely extending support arm is secured to the rod adjacent the lower end thereof, and a guide bar is connected to the support arm. The guide bar has at least one elongate planar surface disposed at an angle of 45.degree. to the axis of the rod. In use, the rod is aligned with the long shaft axis of the femur and attached to the femur at the greater trochanter. The rod is manipulated until the support arm and the long shaft axis of the tibia are disposed in the same plane. This procedure properly positions the elongate planar surface of the guide bar whereby an instrument in engagement with that surface traverses the femoral neck at an angle of 45.degree. to the long shaft axis of the femur.
摘要翻译：用于股骨颈截骨的引导件包括在其下端具有附接结构的纵向杆，用于将杆固定到大转子上的股骨。横向延伸的支撑臂在其下端固定到杆上，并且导杆连接到支撑臂。导杆具有至少一个细长平面，与杆的轴线成45度角。在使用中，杆与股骨的长轴轴线对准，并连接到大转子上的股骨。杆被操作直到支撑臂和胫骨的长轴轴线设置在同一平面内。该过程适当地定位导杆的细长平面，由此与该表面接合的器械以与股骨的长轴轴成45度的角度穿过股骨颈。

5. 外观设计

USD286181S Acetabular cup assembly prosthesis 失效
公开(公告)号：USD286181S
公开(公告)日：1986-10-14
申请号：US526729
申请日：1983-08-26
申请人： Robert V. Kenna
设计人： Robert V. Kenna

6. 外观设计

USD284889S Combined acetabulum sizer and drill guide 失效
公开(公告)号：USD284889S
公开(公告)日：1986-07-29
申请号：US543206
申请日：1983-10-19
申请人： Robert V. Kenna
设计人： Robert V. Kenna

7. 发明授权

US5192324A Bone prosthesis with porous coating 失效
标题翻译：骨假体与多孔涂层
公开(公告)号：US5192324A
公开(公告)日：1993-03-09
申请号：US635394
申请日：1990-01-02
申请人： Robert V. Kenna
发明人： Robert V. Kenna
IPC分类号： A61F2/00 , A61F2/30 , A61F2/38 , B22F7/00
CPC分类号： B22F7/002 , A61F2/30767 , A61F2/3859 , A61F2/3877 , A61F2/389 , A61F2002/30011 , A61F2002/30242 , A61F2002/30769 , A61F2002/30929 , A61F2230/0071 , A61F2250/0023 , A61F2310/00023 , A61F2310/00029 , A61F2310/00407 , A61F2310/00413 , Y10S623/923
摘要： An improved metallic bone prosthesis having a porous coating for bone ingrowth or interlocking with bone cement is disclosed. The porous coating comprises two layers of generally ball-shaped metallic particles bonded together at their points of contact, e.g. by sintering, and defining between them a plurality of connected interstitial pores having an average pore size of from about 350 microns to about 500 microns. A high resistance to failure at the coating-substrate and bone-coating (or cement-coating) interfaces is achieved with the use of the improved prosthesis. Also disclosed are a novel method for affixing the porous coating to a metal susbstrate, and a knee joint prosthesis having bearing portions designed so that the function of said prosthesis closely approximates that of the natural knee.
摘要翻译：公开了一种改进的金属骨假体，其具有用于骨向内生长或与骨水泥互锁的多孔涂层。多孔涂层包括在其接触点处例如粘合在一起的两层通常为球形的金属颗粒。通过烧结，并且在它们之间限定平均孔径为约350微米至约500微米的多个连接的间隙孔。通过使用改进的假体实现了在涂层 - 基材和骨涂层（或水泥 - 涂层）界面处的高抗破坏性。还公开了一种用于将多孔涂层固定到金属构件的新方法，以及具有设计成使得所述假体的功能与天然膝盖的功能近似的承载部分的膝关节假体。

8. 发明授权

US5047056A Canine hip prosthesis 失效
标题翻译：犬髋假体
公开(公告)号：US5047056A
公开(公告)日：1991-09-10
申请号：US481017
申请日：1990-02-16
申请人： Robert V. Kenna
发明人： Robert V. Kenna
IPC分类号： A61F2/00 , A61F2/30 , A61F2/36
CPC分类号： A61F2/36 , A61F2/30767 , A61F2/30771 , A61F2/367 , A61F2002/30242 , A61F2002/30703 , A61F2002/30769 , A61F2002/30929 , A61F2002/30968 , A61F2230/0071 , A61F2310/00395
摘要： A canine hip prosthesis with a porous coating for bone ingrowth is disclosed. The femoral prosthesis generally comprises a stem for insertion into the intramedullary canal of a canine femur which stem is divided into a proximal portion and a longer distal portion. The stem exhibits a compound curvature along its length, including a slight posterior bow, which provides the prosthesis with a glove-like fit in the prepared intramedullary canal of the canine femur. Provided on the proximal portion of the stem is a porous coating which generally comprises two layers of ball-shaped metallic particles bonded together at their points of contact, e.g. by sintering, which define between themselves a plurality of connected interstitial pores. The size of the particles is from -30 to +35 U.S. Standard mesh size, and the pore size is between about 0.014 and 0.020 inches. The porous coating described provides superior resistance to failure at the coating-substrate and coating-bone interfaces, without weakening the prosthesis. The porous coating disclosed is also suitable for use in other canine bone prostheses.
摘要翻译：公开了一种具有用于骨向内生长的多孔涂层的犬髋关节假体。股骨假体通常包括用于插入到犬股骨的髓内管中的杆，该杆被分成近端部分和较长的远端部分。该茎沿其长度呈现出复合的曲率，包括轻微的后弓，其在假体在犬股骨的髓内管中提供手套样配合。提供在杆的近端部分上的是多孔涂层，其通常包括两层球状金属颗粒，在它们的接触点例如粘结在一起。通过烧结，它们在它们之间限定多个连接的间隙孔。颗粒的尺寸为-30至+35美制标准筛目尺寸，孔径在约0.014至0.020英寸之间。所述的多孔涂层在涂层 - 基材和涂层 - 骨界面上提供优异的抗破坏性能，而不会削弱假体。所公开的多孔涂层也适用于其他犬骨假体。

9. 发明授权

US4666450A Acetabular cup assembly prosthesis 失效
标题翻译：髋臼杯组装假体
公开(公告)号：US4666450A
公开(公告)日：1987-05-19
申请号：US526726
申请日：1983-08-26
申请人： Robert V. Kenna
发明人： Robert V. Kenna
IPC分类号： A61F2/32 , A61F2/00 , A61F2/30 , A61F2/34
CPC分类号： A61F2/34 , A61F2/30767 , A61F2002/305 , A61F2002/3411 , A61F2002/3412 , A61F2002/3414 , A61F2220/0025
摘要： An acetabular cup assembly prosthesis comprises the combination of a support shell for introduction into an acetabulum and a socket insert in nesting engagement within the shell. The shell has a generally hemispherical outer surface and a downwardly extending concavity surrounded by a peripheral rim, At least one anchoring post secures the shell to the acetabulum, and a central opening in the bottom of the concavity serves as a connection location for the socket insert. The insert has a hemispherical concavity that articulates with the rounded head of a femoral prosthesis, while the outer surface of the insert nests within the concavity of the support shell. A central fastening tab extends from the insert into locking engagement with the opening in the support shell, and structure is provided to prevent relative rotation of the shell and insert.
摘要翻译：髋臼杯组件假体包括用于引入髋臼的支撑壳和嵌套嵌合在壳内的插座插入件的组合。壳体具有大致半球形的外表面和由外围边缘包围的向下延伸的凹部。至少一个锚固柱将壳固定到髋臼上，并且凹部底部中的中心开口用作插座插入物的连接位置。插入物具有与股骨假体的圆形头部铰接的半球形凹部，而插入件的外表面嵌套在支撑壳体的凹部内。中心紧固突片从插入件延伸到与支撑壳体中的开口锁定接合，并且提供结构以防止壳体和插入件的相对旋转。

10. 外观设计

USD274161S Distal femoral cutting jig for the implantation of a prosthetic knee 失效
公开(公告)号：USD274161S
公开(公告)日：1984-06-05
申请号：US350014
申请日：1982-02-18
申请人： Robert V. Kenna
设计人： Robert V. Kenna

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