Class 623/23.21 - Having a collar

Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter wherein the artificial femur stem or part
No. of patents: 29
Last issue date: 04/17/2012

Number	Title	Issue Date
8157871	Femoral HIP prosthesis and method of implantation Implants and methods are presented for surgically repairing a hip joint with a proximal femoral prosthesis that comprises femoral head component and a femoral stem component. The femoral stem component comprises a neck portion, a flange portion, a transitional body ...	04/17/2012
7534271	Femoral hip prosthesis and method of implantation Implants and methods are presented for surgically repairing a hip joint with a proximal femoral prosthesis that comprises femoral head component and a femoral stem component. The femoral stem component comprising a neck portion, a flange portion, a transitional body...	05/19/2009
7491242	Femoral prosthesis A femoral prosthesis including a stem for insertion in a femoral canal and a shoulder and/or neck portion characterized by a proximal sleeve having an outer circumferential wall and comprising two or more proximal sleeve components, each of which provides part of th...	02/17/2009
7374576	Polyaxial orthopedic fastening apparatus with independent locking modes Implants and methods are presented for surgically repairing a hip joint with a proximal femoral prosthesis that comprises femoral head component and a femoral stem component. The femoral stem component comprising a neck portion, a flange portion, a transitional body...	05/20/2008
7261741	Prosthesis with resorbable collar A articulating hemiarthroplasty prosthesis (10) for use in arthroplasty is provided. The prosthesis includes a stem (12) for implantation at least partially within the medullary canal (14) of a long bone (16) and a collar (20). The...	08/28/2007
7229478	Shoulder prosthesis with anatomic reattachment features Apparatus and methods are disposed for maintaining the proper positioning of a prosthetic implant having proximal and distal ends within a prepared bone cavity during cement injection and curing. First stabilization means, implantable within the bone cavity, minimiz...	06/12/2007
7186269	Composite shoulder prosthesis The invention is a modular composite shoulder prosthesis 64, whose construct incorporates a solid autogenous bone graft 50 to be used to replace the upper humerus in certain fracture types. The prosthesis comprises a stem 22 to be inserted in th...	03/06/2007
7104995	Method of preparing an acetabulum for receiving a head of a femoral prosthesis A femoral neck fixation prosthesis and method of using same which reduces bone loss and the avoids the other shortcomings of the prior art by allowing the fixation of a stable femoral head replacement while reducing the amount of the femur which must be reamed for t...	09/12/2006
7044978	Positioner and method for a femoral hip implant The present invention provides a positioner for controlling the position of a femoral hip implant within the intramedullary canal of a femur. ...	05/16/2006
6994731	Prosthetic implant A highly polished femoral implant (1) has a proximal neck portion (10), a distal tip portion (30), and an elongate stem portion (20) that extends from the neck portion to the tip portion. The stem portion (20) has a proximal or met...	02/07/2006
6913624	Orthopaedic implant with proximal collar A cementless femoral hip stem component. The hip stem component includes an elongate stem, a proximal body, and a collar disposed on the proximal body and extending outward therefrom in a sideways direction to form a ledge. The proximal body defines at least a major...	07/05/2005
6783553	Prosthesis A prosthesis for implantation in a bone includes a collar having a first surface and a second surface generally on an opposite side of the collar for engaging the bone and transferring forces to the bone. A neck extends outwardly from the first surface and is adapte...	08/31/2004
6716250	Modular femoral prosthesis Disclosed is a modular femoral prosthesis having a neck element 18 that can be selectively positioned atop a stem element 12 by inserting a grooved shaft 26 that extends downward from the bottom of the neck element 18 into a corresponding...	04/06/2004
6524344	Cement jacket for a cemented artificial joint stem and artificial joint having the cement jacket A cement jacket for a cemented artificial joint stem, the cement jacket including a main body with a hollow interior and an open upper end for receiving and enclosing at least a part of a stem of an artificial joint, the cement jacket being shaped and ada...	02/25/2003
6383226	Prostheses having curvilinear collars Novel prostheses, particularly femoral prostheses, are provided. The subject devices are characterized by the presence of a curvilinear collar. Also provided are methods of implanting a prosthesis in a manner sufficient to provide for a pressure profile a...	05/07/2002
6273915	Femoral head-neck prosthesis and method of implantation A femoral head-neck prosthesis (1) which allows natural straining of the upper femur to prevent bone loss. The natural angle of loading of the bone is determined prior to the operation, and the prosthesis is implanted with its longitudinal axis (AX-1) par...	08/14/2001
6245111	Method and apparatus for fighting infection and maintaining joint spacing in a prosthesis implant area The present invention relates to a prosthetic device for placement in an implant area of the body. The prosthetic device comprises an elongated stem portion, a neck portion, and a head portion. Each of the stem, neck, and head portions comprise a material...	06/12/2001
6165224	Prosthesis intended to be anchored in a long bone A prosthesis for anchoring in a long bone wherein the prosthesis includes a stem adapted to be inserted in a medullary cavity of the bone and from which extends a metaphyseal part which is connected to a flange for bearing on a metaphysis of the bone at a...	12/26/2000
5910172	Apparatus for, and method of, preparing hip prosthesis implantation Each tamp in a sequence has a collar at a progressively increased distance from the bottom of a cavity in a femur relative to other tamps in the sequence. The collar on each tamp has progressively increased dimensions relative to collars on other tamps to...	06/08/1999
5871549	Femoral stem with reduced coefficient of friction with respect to bone cement An orthopedic device is provided having a femoral stem with a proximal end, a distal end, and an intermediate portion extending between the proximal end and the distal end. The intermediate portion tapers from a first cross-sectional geometry near the pro...	02/16/1999
5725594	Proximal conical stem A cementless femoral hip stem component includes an elongate stem having opposing distal and proximal sections. The proximal section includes a conical stem surface which terminates in a proximal end. A collar having a conical undersurface extends lateral...	03/10/1998
5725596	Clamp for use with a bone prosthesis A prosthetic device for the human hip having elongated fins or other like protrusions which are provided on the underside of a collar and which extend into previously formed slots or grooves in the bone. Either a plurality of fins, or a single fin having ...	03/10/1998
5702485	Collared prosthetic device with centering fins A prosthetic device for the human hip having elongated fins or other like protrusions which are provided on the lower surface of a collar and which extend into previously formed slots or grooves in the bone. Either a plurality of fins, or a single fin hav...	12/30/1997
5702484	Endoprosthesis An endoprosthesis for a cement free anchorage in a bone having a longitudinal direction comprises a prosthetic shank to be secured in the bone in the longitudinal direction of the bone. The prosthetic shank has a proximal end and a distal end and includes...	12/30/1997
5480453	Collar for femoral implant and method and apparatus for installation thereof A prosthetic device for the human hip having elongated fins or other like protrusions which are provided on the underside of a collar and which extend into previously formed slots or grooves in the bone. Either a plurality of fins, or a single fin having ...	01/02/1996
5163964	Orthopaedic prosthesis with access in collar An orthopaedic prosthesis for implanation in a bone, the prosthesis including a collar extending outwardly therefrom. The collar includes an access recess aligned above the bone cement when the stem is implanted with cement in bone, or aligned above the b...	11/17/1992
4944762	Joint endoprosthesis The invention relates to a femoral hip-joint endoprosthesis having a shaft to be inserted into the medullary cavity (4) of the femur (1) and a support plate (7), which terminates the shaft proximally and the under surface (12) of which is provided for sup...	07/31/1990
4783192	Joint prosthesis A joint prosthesis for use in long bone joint replacement comprises a tapering stem 4 upon which is located a collar 10 chosen from a range of similar collars having different internal diameters. The collar chosen locates with the stem at a particular hei...	11/08/1988
4623353	Stem-type femoral prosthesis including a collar provided with access slots for bone resectioning means Stem-type femoral prostheses including a collar disposed transversely on the proximal end of the stem and including portions extending outwardly anteriorly and posteriorly of said stem, the prosthesis for implantation in the proximal end of a femur, the c...	11/18/1986

PatentStorm

Bizarre Patents

PatentStorm News

Class 623/23.21 - Having a collar