Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 5911723 | Surgical apparatus A surgical tensioning apparatus has a base, first and second bone tissue engaging elements mounted on the base and being displaceable toward and away from each other. One of the tissue engaging elements being adapted to be oriented by the tissue engaged t... | 06/15/1999 |
| 5879387 | Prosthetic bearing element and method of manufacture A prosthetic bearing element comprises a backing which supports a bearing liner having a bearing surface. The backing is made from a "hard" polymeric material having a minimum hardness value of 55 N/mm2 and the bearing liner is made from a "sof... | 03/09/1999 |
| 5879394 | Tibial element for a replacement knee prosthesis A tibial element is provided for a replacement knee prosthesis which comprises a tibial tray provided with a bearing component having medial and lateral compartments. Control means acting between the tray and the bearing component are included which provi... | 03/09/1999 |
| 5879402 | Method and apparatus for implanting an acetabular cup A method of implanting an acetabular cup which includes the step of preparing an acetabular socket to receive a cup, placing cement in the acetabular socket before or after locating a tube in line with the acetabular socket and inserting the acetabular cu... | 03/09/1999 |
| 5788704 | Apparatus and method for implanting a prothesis An apparatus for performing prosthesis surgery has a phantom implant component. Elements are provided for holding said phantom component accurately and stationary relative to a cavity in a bone. The phantom component has a tapered insert portion, the dime... | 08/04/1998 |
| 5752954 | External fixation device An articulation element for the relative positioning of fixation bars or bone pins of an external fixator includes a plurality of pairs of jaws. The jaws have on their adjacent faces grooves which form a passage intended to receive a bar or a pin. A sprin... | 05/19/1998 |
| 5665121 | Preformed mantle A prosthesis having attachment portion for insertion into or attachment to a patient's bone without bone cement. Parts of the attachment portion on the prosthesis are attached to the bone are covered with a mantle of synthetic resin material and which has... | 09/09/1997 |
| 5630819 | Acetabular bone graft impactor An acetabular bone graft impactor comprising a contact surface at least part of which is located on a head connected to a shaft provided with and anvil to be hit with a hammer. A flange extends from the head so that the contact surface shape can be select... | 05/20/1997 |
| 5609646 | Acetabular cup for a total hip prosthesis An acetabular cup for a total hip prosthesis has an outer shell and an inner bearing component. The shell is molded around the inner bearing component and has an elastic modulus similar to subchondral bone of between 5 GPa and 18 GPa. The shell has a part... | 03/11/1997 |
| 5609644 | Prosthetic patello femoral joint assembly A prosthetic patello femoral joint assembly comprises a patella mounting component on which is located a movable mobile bearing component. A first side of the bearing component is shaped to engage the patella groove of a natural or an artificial femur. A ... | 03/11/1997 |
| 5478343 | Targeting device for bone nails A targeting device for making holes in cortical bone for bone nails has a right angle drill which interconnects to a telescopic guide member. The guide member attaches to the drill at the side thereof opposite the chuck. The free end of the telescopic gui... | 12/26/1995 |
| 5458651 | Femoral component for a hip prosthesis A femoral component of a replacement hip joint has a collarless stem including a shoulder for fixing in a medullary canal by cement. The component has a stem beneath the shoulder having a straight taper and the anterior and posterior faces of the stem eac... | 10/17/1995 |
| 5454813 | Intramedullary intertrochanteric fracture fixation appliance An intramedullary intertrochanteric fracture fixation appliance has an intramedullary rod having an angulated opening to receive a femoral neck screw. The femoral neck screw has a threaded portion at its proximal end of predetermined diameter. A locking e... | 10/03/1995 |
| 5413605 | Tibial element for a replacement knee prosthesis A prosthetic tibial component has a tibial tray having an underside for engaging a prepared tibial plateau. The tibial component has a stem having a tapered connection at one end. The stem has a non-symmetrically shaped bone engagement element extending t... | 05/09/1995 |
| 5258033 | Total hip replacement femoral component A total hip replacement femoral component has an outer surface shaped to conform to an acetabular socket and has an internal bore adapted to receive a femoral head. The head has been shaped and dimensioned to provide a spigot to enter the bore and be lock... | 11/02/1993 |
| 5197990 | Prosthetic intramedullary femoral prosthesis with preformed sheath A prosthetic intramedullary femoral prosthesis provided with a separate preformed sheath made from an acrylic material which is dimensioned to enclose the prosthesis stem from the distal tip to a location on the stem which will be adjacent the proximal cu... | 03/30/1993 |
| 5171286 | Cemented taper lock acetabular cup An acetabular cup for use in a total hip prosthesis includes an implant/cement interface portion for location in a cement mantle. The cup has an enclosure element for allowing the cup to slide lengthwise to re-engage itself in the cement mantle to accommo... | 12/15/1992 |
| 5092892 | Intramedullary centralizer A centralizer for the stem of a prosthetic orthopedic implant adapted for implantation into a medullary canal has a hollow annular body portion. The annular body portion has an interior for receiving the stem of the implant. The body portion also includes... | 03/03/1992 |
