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| Number | Title | Issue Date |
| 5049149 | Sawing gauge system A sawing gauge system to be used in case of intertrochantery accommodation osteotomies includes a first sawing gauge having an underside curved like a hollow cylinder for a face-to-face engagement with the bone surface of the femur shaft and a sawing open... | 09/17/1991 |
| 5047032 | Method and apparatus for cutting joint surfaces Surgical instrumentation and a method for cutting bones on one or both sides of a joint such as the knee joint to allow the application of a joint prosthesis. A rod is inserted into the medullary canal of the bone to be cut. The rod is secured within the ... | 09/10/1991 |
| 5037423 | Method and instrumentation for the replacement of a knee prosthesis 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 a... | 08/06/1991 |
| 5035700 | Prosthetic knee joint with improved patellar component tracking A three-component knee joint prosthesis is disclosed including femoral, tibial and patellar components. During flexion of the prosthetic knee, the patellar component, which has a convex bearing surface, cooperates with and is guided by a patellar track de... | 07/30/1991 |
| 5021055 | Patellar clamp and surgical saw guide A patellar clamp and saw guide for preparing a patella to receive a prosthetic articulating surface on the patella's posterior side. A guide plate supports a saw block. The guide plate can be swiveled so that a sagittal saw can be presented to the patella... | 06/04/1991 |
| 5007912 | Arrangement for fixing a knee-joint in defined positions and for positional control of instruments for replacing the knee-joint with a prosthesis The invention relates to an arrangement for fixing a knee-joint in connection with prosthetic surgery. The arrangement provides for a fixing of the operated knee-joint relative to a reference, which is represented by the operating table. The purpose is to... | 04/16/1991 |
| 5002545 | Tibial surface shaping guide for knee implants The present invention provides a shaping guide to permit accurate shaping of the tibial plateau while saving the anterior cruciate ligament. An alignment rod is located anterior to the anterior cruciate ligament and along the anterior cortex of the interm... | 03/26/1991 |
| 5002547 | Apparatus for knee prosthesis A modular apparatus for use in the preparation of bone surfaces and the implantation of a modular total knee prosthesis in a patient, which apparatus comprises cutting guides, templates, alignment devices, a distractor and clamping instruments which provi... | 03/26/1991 |
| 4979949 | Robot-aided system for surgery A system and method for positioning a tool relative to a patient's bone to facilitate the performance of a surgical bone alteration task. The system comprises a bone immobilization device for supporting the bone in a fixed position with respect to a refer... | 12/25/1990 |
| 4952213 | Tibial cutting guide An apparatus for placing a bone cutting saw cutting guide adjacent a proximal surface of a human tibia bone having an elongated rod inserted into the tibia for clampingly supporting a rotating bar on the central longitudinal axis of the tibia bone. The ba... | 08/28/1990 |
| 4938762 | Reference system for implantation of condylar total knee prostheses A reference system for the implantation of condylar total knee prostheses comprises a measuring rod (1) parallel to the longitudinal axis of the tibia (T) having at least two attachment arms (2) for lateral attachment to the outside of the tibia (T), a gu... | 07/03/1990 |
| 4935023 | Femoral surface shaping guide for knee implants The present invention relates to a distal femoral surface shaping guide for mounting on an intramedullary alignment which references the central long axis of the femur in shaping the distal femoral surface and a method for shaping the distal femur using t... | 06/19/1990 |
| 4926847 | Surgical cutting block A cutting guide to position a bone cutting device is disclosed. The cutting guide has at least one fixed or stationary surface and a movable surface to create a slot or gap between the fixed surface and movable surface. The cutting device is positioned an... | 05/22/1990 |
| 4907578 | Method and instruments for resection of the distal femur The present invention relates to an improved method and instruments for a resection of the distal femur. The parent application discloses a femoral alignment guide/rod including a plate insertable within a guide slot in the resector which is also used for... | 03/13/1990 |
| 4892093 | Femoral cutting guide A cutting guide for guiding a saw blade during the preparation of a femur for the implant of the femoral component of a knee prothesis includes guide surfaces for enabling the cutting of all four of the anterior femoral cut, the posterior femoral cut, the... | 01/09/1990 |
| 4825857 | Prosthetic knee implantation A tool for use in preparing a distal femur for the implantation of a prosthetic knee includes a central section having at least one handle. A positioning pin extends outwardly from the central section. A distal femoral condyles cutting jig is selectively ... | 05/02/1989 |
| 4787383 | Prosthetic knee implantation A prosthetic knee is implanted after cutting the femor and tibia in the proper manner with the aid of instruments which include axial alignment guides and a series of cutting jigs.... | 11/29/1988 |
| 4773407 | Method and instruments for resection of the distal femur The present invention relates to a method and instruments for resection of the distal femur. The instruments include a distal femoral resector and a femoral alignment guide/rod. The distal femoral resector is designed to be attached to the distal femur on... | 09/27/1988 |
| 4739751 | Apparatus and method for reconstructive surgery A method and apparatus for the permanent surgical reconstruction of the anterior cruciate ligament in the human knee, which will stabilize the tibia and femur relative to each other and restore a full range of motion to the knee, by precisely locating the... | 04/26/1988 |
| 4736738 | Instrument kit and procedure for performing posterior lumbar interbody fusion Instrument kit and method for performing posterior lumbar interbody fusion. The surgical procedure is done through the spinal canal rather than outside the spinal canal as has been done previously. The posterior lumbar interbody fusion procedure is faster... | 04/12/1988 |
| 4736737 | Tibial cutting jig An improved tibial cutting jig is provided for use in obtaining accurate tibial resection in the course of a total knee prosthesis implantation procedure. The tibial cutting jig includes a base for sliding reception onto an intramedullary alignment rod pr... | 04/12/1988 |
| 4722330 | Femoral surface shaping guide for knee implants The present invention relates to a distal femoral surface shaping guide for mounting on an intramedullary alignment guide which references the central long axis of the femur in shaping the distal femoral surface and a method for shaping the distal femur u... | 02/02/1988 |
| 4721104 | Femoral surface shaping apparatus for posterior-stabilized knee implants The present invention relates to a surgical apparatus for providing an accurately placed recess in a distal femoral surface for the intercondylar stabilizing housing of a posterior-stabilized knee implant prosthesis which apparatus comprises (a) a templat... | 01/26/1988 |
| 4677973 | Proximal, tibial osteotomy for leveling a tibial plateau A method of performing a proximal tibial osteotomy, portion of the metaphysis of the tibia is cut free from a remaining (lower) portion of the tibia with a cylindrical cut which has a curvature axis that is perpendicular to the sagittal plane. The thus-cu... | 07/07/1987 |
| 4653488 | Prosthetic knee implantation A prosthetic knee is implanted after cutting the femor and tibia in the proper manner with the aid of instruments which include axial alignment guides and a series of cutting jigs.... | 03/31/1987 |
| 4646729 | Prosthetic knee implantation A prosthetic knee is implanted after cutting the femor and tibia in the proper manner with the aid of instruments which include axial alignment guides and a series of cutting jigs.... | 03/03/1987 |
| 4633862 | Patellar resection sawguide Disclosed herein are a method and instruments for the installation of a patellar button prosthesis. The first instrument consists of a saw guide including gauges integrally attached thereto which aid the surgeon in determining whether the patella has been... | 01/06/1987 |
| 4624250 | Instrument for elbow surface replacement arthroplasty A bone cutting device for precision elbow surface replacement arthroplasty and osteotomy is described. A humeral clamping device is provided with an outrigger to hold the ulna in preselected and rigid relation to the humerus. A bone cutting tool such as a... | 11/25/1986 |
| 4574794 | Orthopaedic bone cutting jig and alignment device An orthopaedic bone cutting jig and alignment frame for facilitating a series of controlled, precise bone cuts to fit selected prosthetic knees which promote bone imgrowth and do not rely upon cement for fixation.... | 03/11/1986 |
| 4567886 | Flexion spacer guide for fitting a knee prosthesis A spacer guide for utilization in total knee surgery for establishing size of prosthesis and position of cuts for total knee replacement surgery includes a generally L-shaped base member for attachment to the anterior femoral cortex of a prepared femur wi... | 02/04/1986 |
| 4567885 | Triplanar knee resection system An improved triplanar knee resection system is provided for preparing a knee joint for a prosthesis. The apparatus of the triplanar knee system includes a single guide member for use in resecting the distal femoral condyles, the proximal tibia, and the di... | 02/04/1986 |
| 4566448 | Ligament tensor and distal femoral resector guide A ligament tensor and distal femoral resector guide includes an adjustable support member for mounting on a tibial cutting guide including a guide slot in which is reciprocably mounted a slide member having an arm extending outward therefrom for engaging ... | 01/28/1986 |
| 4565192 | Device for cutting a patella and method therefor A device is disclosed for cutting a portion of a patella during knee surgery in which the articular surface of the patella along with a portion of the bone of the patella is cut away for implantation of a prosthesis. The device disclosed provides a fixed ... | 01/21/1986 |
| 4524766 | Surgical knee alignment method and system A system of precision instruments for utilization in knee surgery, particularly for component replacement includes a series of alignment and cutting guides which function to align various necessary cuts of bone structure with respect to the ankle. The sys... | 06/25/1985 |
| 4501266 | Knee distraction device A knee distraction device is provided for facilitating knee arthroplasty. An adjustable force calibration mechanism is disposed in the device to accommodate controlled selection of the ligament-tensioning force to be applied at respective opposite sides o... | 02/26/1985 |
| 4487203 | Triplanar knee resection method An improved triplanar knee resection system is provided for preparing a knee joint for a prosthesis. The apparatus of the triplanar knee system includes a single guide member for use in resecting the distal femoral condyles, the proximal tibia, and the di... | 12/11/1984 |
| 4474177 | Method and apparatus for shaping a distal femoral surface The present invention provides a method and apparatus for preparing the distal surface of a femur to receive a distal femoral prosthesis employing an intramedullary reamer which is used to internally locate the central long axis of the femur, an intramedu... | 10/02/1984 |
| 4467801 | Method and apparatus for shaping a proximal tibial surface The present invention provides a method and apparatus for preparing the proximal surface of a tibia to receive a proximal tibial prosthesis employing a reamer/alignment guide which is used to internally locate the central long axis of the tibia and a plat... | 08/28/1984 |
| 4457307 | Bone cutting device for total knee replacement A device for enabling a surgeon to make bone cuts in performing total knee surgery which includes a femoval assembly adapted to be mounted on a femur, and a carriage assembly connected to the femoval assembly and pivotally adjustable relative thereto abou... | 07/03/1984 |
| 4421112 | Tibial osteotomy guide assembly and method A method and guide assembly for use in a tibial osteotomy wherein two pairs of parallel guide pins are inserted into the tibia at a predetermined angle with respect to each other through a guide block. The adjacent surfaces of the pairs of pins are then u... | 12/20/1983 |
