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Class 623/22.46 - Including protruding means projects into a bore in femoral stem or neck


Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter wherein the artificial femur bone or part
No. of patents: 43
Last issue date: 07/13/2010


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NumberTitleIssue Date
7753961Thighbone shaft
A thighbone shaft has a pole and a bolt. The pole defines an inclined threaded hole therein. Tooth portions are respectively formed at opposite sides of the pole. A head is arranged on a front portion of the pole. A sleeve is provided on the head. A threaded portion...
07/13/2010
7255716Method and instruments for inserting modular implant components
An instrument is disclosed for inserting a modular implant, the instrument comprising a first end and a second end, the first end having engagement means for engaging a stem component of the modular implant, the engagement means comprising separation means for separ...
08/14/2007
7247171Modular 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
7220283Prosthesis including a mechanism for attaching a first component to a second component
In one embodiment of the present invention a prosthesis including a mechanism for attaching a first component to a second component is provided. In one example (which example is intended to be illustrative and not restrictive), the first component may be a femoral h...
05/22/2007
7211113Hip prosthesis
An endoprosthesis utilizes a biomechanical structure based on the lever model of first degree. Contrary to the widespread practice, the inventive structure has a stem placed inside the femur bone, which is not rigidly attached to this bone. Accordingly, the bone, fo...
05/01/2007
7189261Modular humeral prosthesis and method
A modular humeral prosthesis for replacement of the humeral head of a humerus. The prosthesis generally comprises a stem to be fitted to a resected humerus; a head sized and configured to approximate the humeral head; and an intermediate connecting member for connec...
03/13/2007
7156879Femur 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
7135044Modular prosthesis kits
Modular prosthesis kits and systems are disclosed. The kit includes a plurality of stems having a bore therein and a plurality of necks having a tapered distal end adapted to taper lock in the bore of one of the stems. Each neck includes a stem registration element ...
11/14/2006
7125193Modular connection for orthopedic component
An orthopedic component comprising a first element and a second element, with the first element and the second element being secured to one another with a modular connection, wherein the modular connection comprises a taper junction and an engaged-fit junction. ...
10/24/2006
7104995Method 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
7097664Modular 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
7044973Collarless shoulder arthroplasty prosthesis
A shoulder prosthesis of the present invention includes a modular humeral prosthesis component employing a collarless design. A body portion of the prosthesis is provided without a collar, and it may be implanted into a prepared proximal end of a humerus such that t...
05/16/2006
7044975Joint prostheses and components thereof
Modular joint prostheses and components thereof are disclosed. In an embodiment, a joint prosthesis may include a head member, a neck member, and a stem member. ...
05/16/2006
6997958Conical coupling and prosthesis comprising such a coupling
A conical coupling of a male member (10) and a female member (11), the male member (10) comprising a cone (12) ensleeved in a truncated conical portion (15) of a corresponding recess (14) formed in the female member (11
02/14/2006
6994731Prosthetic 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
6974483Modular neck for femur replacement surgery
A prosthesis device for hip surgery replacement has a main body portion which is implanted in the femur of a patient. A series of adapters are provided from which one is selected. Each adapter has a tapered shank which is received a corresponding tapered bore in the...
12/13/2005
6905515Junction for a modular implant
The present invention provides an improved junction for modular implant components. ...
06/14/2005
6716250Modular 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
6706073Neck-slip-prosthesis
A hip prosthesis constructed to transfer forces to the femur without relative movements that cause failures. The prosthesis stem has an open sided central bore. The proximal end of the prosthesis is configured to seat against interior surfaces of the femoral canal a...
03/16/2004
6695883Femoral neck fixation 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 r...
02/24/2004
6524343Femoral hip prosthesis
A prosthetic femoral component is located in a prepared socket in a femur which has been resected at a position on the proximal side of its neck and Includes a tapered insert and a proximal head portion. The proximal end of the insert portion is adapted f...
02/25/2003
6464728Modular neck for femur replacement surgery
A prosthesis for femur replacement surgery has a stem which is received in the femur. The stem has a blind bore formed at an angle in the upper portion. A modular neck assembly is received in the blind bore. The neck assembly is formed at a desired angle ...
10/15/2002
6190416Orthopedic surgery assembly for a hip prosthesis with a removable neck
This orthopedic assembly has a connection between the ancillary tool and the stem or raspatory that allows both the raspatory and the femoral stem to be positioned in the intramedullary channel of a femur by means of the same ancillary tool. The connector...
02/20/2001
6083263Adjustable hip-joint endoprosthesis
A hip-joint endoprosthesis is provided which has a prosthesis head (5) that can be medio-laterally displaced parallel to a tangent that rests on the lateral edge of the proximal femoral infundibulum of the hip-joint (b) and contacts the inner contour of t...
07/04/2000
5776194Intermedullary rod apparatus and methods of repairing proximal humerus fractures
A bone stabilizing apparatus includes a stem member and an extension member, the stem member having a distal end for insertion within the intramedullary canal of a human humerus and the proximal end connected to the extension member. The extension member ...
07/07/1998
5580352Distal shaft with fast and slow screw threads
A femoral prosthesis adapted for insertion into the medullary cavity of a femur. The prosthesis including a distal shaft, a neck portion detachable from the distal shaft and a joint head detachable from the neck portion. The distal shaft having two spaced...
12/03/1996
5571203Bone-conserving hip system
In a bone-conserving hip system, the proximal end of the femur is resected to accept a body with a flat mating surface. An anchoring rod extends from a rim on the body through a hole bored through the femoral shaft and is secured to the lateral side of th...
11/05/1996
5163961Compression-fit hip prosthesis and procedures for implantation thereof
A femur head prosthesis has a curved elongate body for insertion into a femoral intramedullary canal and at least one bore extending downwardly between an entrance opening in the upper lateral region of one side of the body and an exit opening in the lowe...
11/17/1992
5047060Femoral bone-hip joint endoprosthesis
The femoral bone-hip joint endoprosthesis is characterized by the cavity construction of the prosthesis shank (10), by the ovaloid-conical aperture of the prosthesis shank and by the ovaloid-conical aperture of the upper prosthesis shank end for the accom...
09/10/1991
5002581Modular hip joint prosthesis with adjustable anteversion
The present invention provides a modular hip prosthesis, and instrumentation for implanting the same, which has provision for varying the angulation between the stem portion and the trochanteral module portion by provision of connection means between the ...
03/26/1991
5002578Modular hip stem prosthesis apparatus and method
A modular hip stem prosthesis including a hip stem with an integral, enlarged shoulder and a neck section mountable to the hip stem. The integral, enlarged shoulder is designed to closely conform to the metaphyseal region to securely mount the hip stem in...
03/26/1991
4963155Attachment mechanism for modular surgical products
A set of surgical products which includes an attachment mechanism for modular surgical products. The set includes a plurality of first components and a plurality of second components. One of the first components and one of the second components are to be ...
10/16/1990
4957510Hip prosthesis structure adapted for easy fitting to the patient coxo-femural articulation
This prosthesis essentially comprises a given size stem at the top portion thereto there is provided an oval cross-section seat for firmly coupling one oval end of a coupling bar, the other frustum of cone shaped end of which bears a spherical head to be ...
09/18/1990
4919678Hip joint prosthesis having a cylindrical shaft portion
A hip joint prosthesis includes a first member having a shaft portion and a lateral arm extending toward a joint, the lateral arm being sloped in the direction of the joint and being adapted to receive a joint ball. The lateral arm has significantly great...
04/24/1990
4851007Femoral component for a hip prosthesis
A femoral component (10) for a hip prosthesis. The femoral component (10) comprises a femoral stem (18) including a proximal stem portion (24) for being implanted in the proximal portion of a femur and a distal stem portion (28) for being closely received...
07/25/1989
4822370Hip joint femoral prosthesis
Given a hip joint femoral prosthesis having a shaft, a spherical head and a connecting part between the shaft and the head. Disposed at the proximal end of the shaft and in the head in each case is a conical boring. Located at the shaft side end and at th...
04/18/1989
4608055Femoral component for hip prosthesis
An improved femoral component for use in a total hip replacement prosthesis comprises a stem portion and a combined head and neck portion. The stem portion includes a proximal portion and a distal portion which are angularly related with respect to one an...
08/26/1986
4520511Hip prosthesis with expanding femoral component
A hip prosthesis adapted to be fixed in the femoral articulation, with gradual expansion against the wall of the femoral canal by means of a screw, has a top part shaped with a seat for settling the nut of a screw in a lower part which has three outwardly...
06/04/1985
4115875Hip prosthesis
The male and female parts of a hip prosthesis each comprise two parts, a base fixed to the bone, and an active organ attached removably to the base. The upper face of the base has a truncated conical bore with a threaded bore at the bottom. The active mem...
09/26/1978
4101985Hip-joint prosthesis
A hip-joint prosthesis has a ball head shaped to fit in an acetabulum, an elongated shaft adapted to fit in and between two opposite sides of a medullary cavity of a femur, and a stem between and connecting the head to one end of the shaft. This shaft is ...
07/25/1978
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