1
James E Orsak, David L Evans: Dynamic wrist fixation apparatus for early joint motion in distal radius fractures. Smith & Nephew, Garvey Smith Nehrbass & Doody, December 19, 2000: US06162223 (188 worldwide citation)

A joint fixator apparatus conforms to the natural axis of rotation of the joint in question, such as a patient's wrist or knee to avoid the possibility of bone fragment displacement and/or fracture reduction. The apparatus includes two fixation rod sections or shaft sections with a spring module the ...


2
Robert G Johnston Jr, Mark L Stern, David L Evans: Method and apparatus for improved manipulation of data between an application program and the files system on a computer-controlled display system. Apple Computer, Blakely Sokoloff Taylor & Zafman, January 28, 1997: US05598524 (153 worldwide citation)

A method and apparatus for allowing selecting within a window on a computer system display within a first application program and moving that item to a second position on a display controlled by a file system manager. A file is created by the file system manager which is representative of the discre ...


3
John K Steele, Thomas A Carls, David L Evans, Carol D Taylor, Philippe Cartier, James Andrews, William Kennedy: Uni-compartmental femoral knee instruments and prosthesis. Smith & Nephew Richards, Pravel Hewitt Kimball & Krieger, May 17, 1994: US05312411 (147 worldwide citation)

A surgical instrument for shaping the distal femur of a patient to receive a unicondylar prosthetic component includes a cutting guide body that carries a pair of cylindrically shaped openings in the guide body, each of the openings having a central longitudinal axis and the respective axes of the o ...


4
David L Evans: Joint prosthesis with improved shock absorption. Smith & Nephew Richards, Pravel Gambrell Hewitt Kimball & Krieger, April 13, 1993: US05201881 (120 worldwide citation)

A joint prosthesis provides articulating prosthesis components that can deflect with respect to one another so that shock absorption is provided, lowering impact stresses. The components interface at articulating surfaces, and a gap is provided at a position away from the articulating surfaces, so t ...


5
Chris E Johnson, Thomas A Carls, David L Evans: Tibial prosthesis. Smith & Nephew Richards, Pravel Hewitt Kimball & Krieger, March 11, 1997: US05609641 (117 worldwide citation)

A tibial prosthesis includes a tibial tray and a post extending therefrom for receiving one or more modular stems of differing sizes. The stem provides a closed socket that registers with the post. A wedge lock fit tightens the stem to the post upon assembly. The stem has a cylindrical section and a ...


6
David L Evans: Compression screw for a joint endoprosthesis. Smith & Nephew Richards, Pravel Gambrell Hewitt Kimball & Krieger, June 16, 1992: US05122133 (73 worldwide citation)

A compression bone screw apparatus includes an elongated cylindrical shaft member with a first smaller diameter portion that is of generally uniform cylindrical configuration, and a second enlarged diameter annular proximate end portion. An internal bore extends longitudinally along the length of th ...


7
Michael D Ries, Brian Austin, David L Evans, Steve Miller, Jeff Shea: Acetabular cup body prosthesis. Smith & Nephew, Garvey Smith Nehrbass & Doody L L C, March 9, 1999: US05879405 (72 worldwide citation)

An improved acetabular cup prosthesis has a cup body with inner convex and outer concave surfaces. The cup body has an apex and a base that defines a plane. The cup body outer convex surface has a curved annular portion between the base and the transition. In one embodiment, the outer convex surface ...


8
Michael D Ries, Brian Austin, David L Evans, Steve Miller, Jeff Shea: Acetabular cup body prosthesis. Smith & Nephew, Pravel Hewitt Kimball & Krieger, October 14, 1997: US05676704 (68 worldwide citation)

An improved acetabular cup prosthesis has a cup body with correspondingly shaped outer convex and inner concave surfaces. The cup body has an apex and a base that defines a plane. The cup body outer convex surface has first and second curved, shaped portions positioned in between the base and the ap ...


9
David L Evans, Peter E Stegemann, Robert Jan Enzerink: Cementless acetabular cup. Smith & Nephew Richards, Pravel Hewitt Kimball & Krieger, October 25, 1994: US05358532 (67 worldwide citation)

A prosthetic joint acetabular cup component is provided that can be press fit into a patient's acetabulum, to create an interference fit and to eliminate the need for cement. A body portion of the cup provides an outer convex surface, The inside of the cup provides an inner concave surface. An apex ...


10
David L Evans, Mark S Gosney: Knee joint prosthesis articular surface. Smith & Nephew Richards, April 20, 1993: US05203807 (62 worldwide citation)

A knee replacement prosthesis includes a tibial component and a femoral component with improved articular surface geometries. The improved geometries allow substantial internal rotation of the tibial component with respect to the femoral component during at least the first twenty degrees (20.degree. ...