Class 623/914 - Bone

Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter relating to an apparatus or a process for
No. of patents: 38
Last issue date: 03/25/2008

Number	Title	Issue Date
7347874	In vivo joint implant cycle counter A joint endoprosthesis system has two prosthetic components to be affixed to two bones of a human joint. A sensor and electronic components are affixed to one of the prosthetic components so that a record can be maintained of the number of times the patient moves th...	03/25/2008
7275218	Method, apparatus, and program for analyzing a prosthetic device A method for analyzing a prosthetic device includes the step of displaying a graphical user interface. The method further includes determining a user selected prosthetic device via the graphical user interface. The method also includes determining a first user selec...	09/25/2007
7113841	Implant forming method An implant designing method to be applied to a body of bone which has a bone deficient portion, wherein the bone being substantially symmetric with respect to a plane of symmetry, includes generating three-dimensional data of the bone based on a plurality of pieces ...	09/26/2006
7097662	In-vivo orthopedic implant diagnostic device for sensing load, wear, and infection A device for providing in vivo diagnostics of loads, wear, and infection in orthopedic implants having at least one load sensor associated with the implant, at least one temperature sensor associated with the implant, at least one vibration sensor associated with th...	08/29/2006
6182664	Minimally invasive cardiac valve surgery procedure A minimally invasive approach for surgery on portions of the heart and great vessels located between a point approximately three centimeters above supra annular ridge and the mid ventricular cavity. A parasternal incision is made extending across a predet...	02/06/2001
6002859	Apparatus and method facilitating the implantation of artificial components in joints Apparatuses and methods are disclosed for determining an implant position for at least one artificial component in a joint and facilitating the implantation thereof. The apparatuses and methods include creating a joint model of a patient's joint into whic...	12/14/1999
5995738	Apparatus and method for facilitating the implantation of artificial components in joints Apparatuses and methods are disclosed for determining an implant position for at least one artificial component in a joint and facilitating the implantation thereof. The apparatuses and methods include creating a joint model of a patient's joint into whic...	11/30/1999
5937530	Kinematic restraint device and method for determining the range of motion of a total knee replacement system A kinematic restraint device and method for determining the range of motion of a total knee replacement system are disclosed. The kinematic restraint device is used as a surrogate knee that duplicates the elastic behavior of individual ligaments, tendons,...	08/17/1999
5855609	Medical information transponder implant and tracking system A passive electrical transponder may be encoded with a code corresponding to medical information, and the transponder directly transplanted in a patient's underarm area. Medical devices may also carry transponders to identify them for use with the system ...	01/05/1999
5824085	System and method for cavity generation for surgical planning and initial placement of a bone prosthesis Methods, systems and apparatus for planning the position of a prosthesis in a long bone in orthopaedic surgical procedures, such as hip replacement surgery, knee replacement surgery, long bone osteotomies, and the like. A bone model is generated from a sc...	10/20/1998
5755794	Apparatus for simplifying total hip arthroplasty An apparatus for use in surgical hip replacement procedures for ensuring that the replacement hip joint components are properly sized. The acetabulum and femur are exposed, one end of a flexible measuring cable is attached to the superior eminence of the ...	05/26/1998
5735277	Method of producing an endoprosthesis as a joint substitute for knee-joints In a process of producing an endoprosthesis as a joint replacement especially for knee joints, a reference image for determining contour differences on the femur and the tibia, which are obtained by comparing a corrected preoperative image of the damaged ...	04/07/1998
5725578	Temporary implant with transponder and methods for locating and indentifying A passive transponder may be encoded with a binary number or code of 64 bits or more and then associated with or mounted to virtually any implant intended for implantation in a human including temporary implants such as drug release implants and organ dis...	03/10/1998
5702460	Revision femoral trial prosthesis A trial femoral prosthesis for use in knee joint replacement surgery includes a trial prosthesis body that is generally J-shaped. The prosthesis body provides a distal articulating surface and a proximal non-articulating surface. The articulating surface ...	12/30/1997
5674288	Implant with transponder marker A passive transponder may be encoded with a number or code of up to 64 binary bits and then mounted to virtually any prosthesis implanted in a human, such as a breast implant. After implantation, the transponder's code may be conveniently read with a hand...	10/07/1997
5564437	Method and system for determining the fixation point on the femur of a crossed ligament of the knee A method for determining the position of a point F1 of a femur with respect to a point T1 of a tibia such that the distance between F1 and T1 is substantially invariant. The method uses a three-dimensional locating system including triplets of emitting el...	10/15/1996
5554190	Prosthesis component and a method of producing it The present invention relates to a prosthesis component for anchoring with or without using bone cement and to a method of producing it. The prosthesis component, which can be produced by CAD and image-analysis methods, provides for the largest possible s...	09/10/1996
5522900	Prosthetic joint and method of manufacture A method for modeling a prosthetic joint, and the joint manufactured therefrom, involves anatomically locating the two non-perpendicular and non-intersecting axes of rotation for the joint. The surface of revolution about these two axes, which is a torus,...	06/04/1996
5480439	Method for periprosthetic bone mineral density measurement A method of evaluating bone density around a radiolucent composite prosthesis establishes an implant boundary by fitting a stored template to radio-opaque reference markers embedded in the prosthesis. The implant boundary is used to create a measurement b...	01/02/1996
5472415	Disposable provisional instrument component for evaluating the fit of an orthopaedic implant A provisional instrument component 1 for evaluating the fit of a corresponding orthopaedic implant. The component 1 is intended and designed to be a disposable, single use provisional instrument component. The provisional instrument component 1 is made of...	12/05/1995
5470354	Force sensing apparatus and method for orthopaedic joint reconstruction Methods and devices for assessing and determining proper alignment and placement of implant components during joint reconstruction surgery, particularly in the knee joint. Provisional components with force transducers 150, 240 are positioned in the joint ...	11/28/1995
5425775	Method for measuring patellofemoral forces A method and apparatus for measuring the forces acting on a patella includes a patella sensor comprising a sensor, a sensor cover, and a plurality of strain gages. The sensor cover is attached to the sensor and has an outer surface that is in contact with...	06/20/1995
5397361	Cranioplasty surgical procedure and kit A process of producing a cranial plate duplicating the dimensions of an excised portion of the cranium comprising, obtaining an excised portion of the cranium of a patient, preparing a three-dimensional impression of the excised portion in an impression m...	03/14/1995
5370692	Rapid, customized bone prosthesis Prosthetic bone implants are fabricated to approximately replicate a patient's original bone. Medical computer aided imaging techniques are applied to generate a data base representing the size and shape of the original bone in a three dimensional coordin...	12/06/1994
5360446	Interactive prosthesis design system for implantable prosthesis The present invention involves a system for interactively designing prosthetic implants using two x-ray images, for example two femoral x-rays for designing a hip implant. The x-rays are scanned into a computer which electronically stores and displays the...	11/01/1994
5306306	Method for periprosthetic bone mineral density measurement A method of evaluating bone density around a prosthesis establishes an implant boundary at the edge of the prosthesis and creates a measurement boundary displaced from this implant boundary toward the bone producing a conformed region of interest. Matched...	04/26/1994
5284155	Cartilage degradation assay system Methods for diagnosing and monitoring arthritic disease with an inflammatory joint component in a mammal are described. The methods comprise (a) obtaining a sample of powdered cartilage or synovial fluid from the mammal, (b) mixing the sample with powdere...	02/08/1994
5156777	Process for making a prosthetic implant A method of producing a prosthetic implant for a predetermined organ site. Three-dimensional data including surface contour information of the organ site is obtained and a physical life size model of at least a part of the surface contour of the organ sit...	10/20/1992
5152792	Apparatus and method for gauging and controlling process steps used to remove prosthetic joints Over tightening of the threaded rods used to engage and remove the cement for prosthetic joints is avoided by measuring the depth of the passages into which the rods are threaded and providing sleeves on the rods which serve as visual indicia of the exten...	10/06/1992
4936862	Method of designing and manufacturing a human joint prosthesis A customized human joint prosthesis replicating the primary contours and dimensions of a patient's bone is designed and manufactured utilizing an average anatomical bone shape. The average anatomical bone shape is generated by digitizing and storing in a ...	06/26/1990
4917703	Bone ingrowth chamber An apparatus for studying tissue ingrowth in an implant under different experimental conditions, in particular in response to locally administered test substances is made of a bio-compatible material, preferably pure titanium, and is implanted in living b...	04/17/1990
4880006	Bone ingrowth chamber An apparatus for studying the bone formation or bone ingrowth in an implant, in response to locally administered test substances of different types, is made of bio-compatible material, preferably pure titanium, and is implanted in living bone tissue, prim...	11/14/1989
4838795	Artificial joint components for teaching, research and visual aids The invention relates to artifical joint components in total prostheses for teaching, research and as visual aids. The outer form and structure of the joint components is the equivalent of conventional joint components; they consist of easily separable ma...	06/13/1989
4822365	Method of design of human joint prosthesis A method of designing a prosthesis having convex male and concave female mating portions is provided for a human joint comprising a condylar male portion the surface of which is generated by the piecewise analysis of an anatomical condyle, which can be an...	04/18/1989
4704686	Method of manufacturing of individually formed prothesis or implant A method of producing an individually adjusted endoprothesis pin includes: processing X-ray data of the bone density into a subset of tomographs showing a succession of parallel cross-sections of the bone; selecting from the subset a succession of paralle...	11/03/1987
4658808	Arrangement for preparing an anatomically measured endoprosthesis An arrangement for preparing an anatomically measured endoprosthesis with a stem to be anchored in the widening end of a hollow bone, in particular a hip joint stem prosthesis to be anchored in the femur, uses radiographs true to scale, a set of a limited...	04/21/1987
4506393	Method of prosthesis design A prosthesis is fitted to a body structure into which it is to be inserted by establishing an initial prosthesis shape and thereafter withdrawing the shape from the body structure in a sequence of defined increments and determining, for each increment, th...	03/26/1985
4436684	Method of forming implantable prostheses for reconstructive surgery Non-invasive method of forming prostheses of skeletal structures internal to a body for use in reconstructive surgery. The selected internal skeletal structure is measured by subjecting the body to radiant energy to produce radiant energy responses that a...	03/13/1984

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Class 623/914 - Bone