Class 623/23.22 - Removable collar

Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter wherein ridge is detachable from the artificial
No. of patents: 34
Last issue date: 08/28/2007

Number	Title	Issue Date
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
7247171	Modular hip implants An implant for improved engagement between modular components is provided. The implant includes a body member for insertion, in use, in a natural femoral neck; and a rod for insertion, in use, in the intramedullary canal of a femur. The body member has a first engag...	07/24/2007
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
7192448	Arthroplasty devices with resorbable component Arthroplasty devices having improved bone in growth to provide a more secure connection within the body. Different embodiments disclosed include devices having threaded intramedullary components, devices configured to receive bone growth promoting substances, device...	03/20/2007
7156879	Femur fixture and set of femur fixtures A femur fixture for a hip-joint prosthesis comprising an intraosseous anchoring structure of a generally circular cross-section for screwing laterally into a complementary bore drilled laterally into the neck of a femur after resection of the femur head to an anchor...	01/02/2007
7135023	Compression bone screw device A compression bone screw device for fixating a fractured bone. The device includes a constant compression lag screw, a side plate having a moveable rollerball for receipt of the lag screw and a compression member engageable with the lag screw and rollerball to impar...	11/14/2006
7122056	Self-locking modular prosthesis A modular prosthesis is disclosed that includes a neck member having a tapered neck body. The modular prosthesis further includes a sleeve component having a first elongated tapered bore. The tapered neck body is received within the first elongated tapered bore so a...	10/17/2006
7114501	Transverse cavity device and method The invention teaches the use of a surgical instrument for creating and preparing a cavity in a bony intervertebral body. Asymmetrical cutting structures selectively open a cavity which has a relatively large surface area in the vertical direction. ...	10/03/2006
7104998	Hip joint robot system and robot mounting apparatus A robot mounting apparatus for a hip joint operation robot capable of firmly attaching a hip joint operation robot to a femur in order for operation robot to perform an accurate femoral canal cavity operation, and a hip joint operation robot system using the same. T...	09/12/2006
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
7097664	Modular femoral stem component for a hip joint prosthesis A prosthetic femoral stem component comprising a body element, a neck element and a stem element, with the body element, neck element and stem element being secured to one another with a modular connection, wherein the modular connection comprises a taper junction a...	08/29/2006
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
7044974	Hip prosthesis with a modular acetabular cup assembly An acetabular cup assembly includes a shell component, a liner component, and means for retaining the liner in the shell including a spherical profile thread spiraling around a portion of each of the shell and liner. ...	05/16/2006
7033399	Welded hip prosthesis A hip prosthesis has a neck, a trochanter, a link, and an intramedullary rod. The intramedullary rod and the link are formed as a sub-assembly connected together endwise by a universal joint formed as a tubular extension. The link is telescoped into the trochanter a...	04/25/2006
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
6911048	Modular hip prosthesis A modular hip prosthesis, comprising: (a) a proximal segment including a neck lockingly engageable with a femoral head component and a male tapered portion; (b) a distal segment having a proximal end and a distal tip, the distal segment further formed with a male ta...	06/28/2005
6843806	Modular prosthetic component with improved body shape An improved body element for use in a modular prosthetic stem component of the sort comprising a body element and at least one other element, wherein the body element and the at least one other element are joined together by at least one modular connection, wherein ...	01/18/2005
6699293	Prosthesis having wedge-shaped body A modular orthopedic prosthesis has a body with a generally triangular cross-section near one end, allowing its angular corners to bite or incise into the surrounding bone cavity for rotational stability. A stem, which may be either unitary or modular in ...	03/02/2004
6652589	Kit for implanting a cementable endoprosthesis The kit for implanting a cementable endoprosthesis includes a fitting instrument and at least two components to be implanted, namely an endoprosthesis shaft and a proximal centering and/or sealing element, the shaft and the fitting instrument being design...	11/25/2003
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
6497728	Metal jacket for a cementless artificial joint stem and artificial joint having the jacket The present invention is intended to provide a metal jacket for a cementless artificial joint stem, wherein shear force detrimental to the service life of an artificial joint can be markedly reduced and stress shielding phenomena can also be markedly reli...	12/24/2002
6428578	Modular prosthesis and connector therefor A modular orthopedic prosthesis has a body with a generally triangular cross-section near one end, allowing its angular corners to bite or incise into the surrounding bone cavity for rotational stability. A stem, which may be either unitary or modular in ...	08/06/2002
6383227	Femoral neck endoprosthesis for an artificial hip joint A femoral neck endoprosthesis for an artificial hip joint, having an adapter for accommodating the joint ball, a support ring for guiding the adapter on the proximal side of the femur, and a support bearing for guiding the adapter on the lateral side of t...	05/07/2002
6344060	Kit for implanting a cementable endoprosthesis The kit for implanting a cementable endoprosthesis comprises a fitting instrument (3) and at least two components to be implanted, namely an endoprosthesis shaft (4) and a proximal centering and/or sealing element (1), the shaft (4) and the fitting instru...	02/05/2002
6267785	Apparatus for positioning a prosthetic element to achieve a desired orientation for cementation Apparatus and method are disclosed for maintaining the proper positioning of an implant (310, 504) within a prepared bone cavity (312) during cement injection and curing. First stabilization means (340, 480), implantable within the bone cavity, minimize l...	07/31/2001
6179877	Centering device for femoral implant and method and apparatus for implementation thereof A method and apparatus for centering the stem of a femoral hip prosthesis in the cavity formed in the medullary canal in the proximal end of the femur. The apparatus includes a sleeve or other like device which is mounted onto the neck of the femoral hip ...	01/30/2001
6126694	Universal distal broach and stem trial A combination stem trial and broach includes a broach having a first attachment device at one end thereof. The first attachment device includes a first threaded member and a first orientation member. An elongated stem trial has a second attachment device ...	10/03/2000
5746771	Calcar collar instrumentation Calcar collar instrumentation including a calcar collar and a proximal femoral stem. The calcar collar includes a foot with a foot member having a face surface; a back attached to the foot and including a back member having a face surface arranged at an a...	05/05/1998
5201769	Hip stem with proximal build-up blocks A prosthetic hip stem implant with U-shaped buildup block that can be selectively connected to the hip stem adjacent to the flange to augment the height of the prosthesis. The buildup block will be available in three heights to accommodate for varying deg...	04/13/1993
4908036	Endoprosthesis Endoprosthesis having a stem to be anchored in the bone and a separate bone support. The devices for holding the bone support on the shaft are designed such that the bone support is pivotable, preferably spherically mobile, so that it adjusts itself autom...	03/13/1990
4770660	Femoral prosthesis with selectively removable collar A stem-type femoral prosthesis has a calcar collar selectively installed on the stem of the prosthesis or removed from the stem interoperatively by sliding the collar in transverse directions between the medial and lateral sides of the stem, at the proxim...	09/13/1988
4698063	Device for embedding in bone, in particular a femoral hip-joint prosthesis A device for embedding in bone, in particular as a femoral hip-joint prosthesis, comprises a head part, a stem to be anchored in the bone, and a support collar terminating the stem at the head end. In order to make it easy for the surgeon, on reoperation,...	10/06/1987
4661112	Hip joint prosthesis A ruff or collar is positioned on the hip joint prosthesis shank prior to insertion of a prosthesis into a bone. The ruff can be slipped onto the straight shank in the direction of the longitudinal axis from the distal. The ruff is fixed to the transition...	04/28/1987
4001897	Prosthesis for a joint A partial prosthesis for a joint designed to replace the head of a femur. A spherical head integral with a pin, which is designed to engage the femur, when in its utilization position engages a spherical cap which is to be accommodated and supported in th...	01/11/1977

PatentStorm

Quotables

PatentStorm News

Class 623/23.22 - Removable collar