Class / Patent application number | Description | Number of patent applications / Date published |
623230440 | Stem structure | 22 |
20090048682 | Disposable neck trial adapter - The system to implant a prosthetic device in a long bone such as a femur or a humerus includes a stem implant having a recess. The system of present invention also includes a broach to prepare the long bone that may receive the stem implant. The broach also has a recess that is similar to the recess in the stem implant. An adapter of a generally rectangular shape similar to the recess fits snugly in the recess in the stem implant. A trial neck that fits snugly in the recess formed in the adapter is also provided. A trial head may be assembled on the trial neck. A neck similar to the trial neck can be inserted in place of trial neck. A head may be assembled on the proximal end of the neck. A system for implantation of a prosthetic device in a long bone may be made available as a kit that includes at least two stems having the adapter inserted in each of the stem, at least two trial necks, at least two trial heads, at least two necks and at least two heads. | 02-19-2009 |
20090149966 | TRANSCUTANEOUS PROSTHESIS - A transcutaneous prosthesis includes a first component configured for attachment to a bone, the first component including flutes or grooves on a surface thereof for deterring rotation of the prosthesis within a bone; a second component adapted for location between the bone and the skin, the second component having a surface treatment for stimulation of fibroblastic cell proliferation and attachment of epithelial cells; and a third component adapted for location to extend from the skin surface and is adapted to extend directly from the skin surface in use, the third component having a coating of a non-stick material on an outer surface thereof, the coating having a surface energy that is lower than a surface energy of the first and second components and which is low enough to deter bacterial adhesion. | 06-11-2009 |
20100217402 | FIBULAR STIFFENER AND BONY DEFECT REPLACER - A fibular implant is provided. The implant includes a stem anchored to the fibula and a joint body. The stem is at least partially covered with a bony-in-growth surface. The joint body includes an articulating surface for articulating with the talus. The articulating surface is polished to reduce friction in the ankle joint. | 08-26-2010 |
20100331996 | METHOD OF INSTALLING A TRANSCUTANEOUS PROSTHESIS - A method of installing a transcutaneous prosthesis which includes a first component, a second component adapted for location between the bone and the skin, the second component having a surface treatment for stimulation of fibroblastic cell proliferation and attachment of epithelial cells and a third component adapted for location to extend from the skin surface and the third component having an outer surface. The outer surface of the third component has a surface energy that is lower than a surface energy of at least the first component and which is low enough to deter bacterial adhesion. The method includes attaching the first component to a bone such that a transition from the second component to the third component is essentially at the surface of the skin and the third component extends from the skin surface when the first component is attached to a bone | 12-30-2010 |
20110144762 | FLUTED SLEEVE HIP PROSTHESIS FOR MODULAR STEM - An intramedullary implant for mounting within an intramedullary canal of a bone is disclosed. The intramedullary implant includes a lower stem portion, an upper stem portion, and a modular sleeve body. The modular sleeve body is connected to one of the lower stem portion or the upper stem portion. The sleeve body includes an inner portion that covers at least a segment of the upper stem portion and has one or more longitudinally extending bone engagement members for engagement with the bone. | 06-16-2011 |
20110295382 | PROSTHETIC IMPLANT SUPPORT STRUCTURE - A prosthetic system that includes a prosthetic implant and a support structure secured to an inner surface of the cavity in the end of the bone is disclosed. The support structure defines a channel that extends through the length of the support structure. The prosthetic implant is received in the channel, and a portion of the prosthetic implant is secured to an inner surface of the channel by an adhesive. The stem of the prosthesis beyond the channel may be cemented or uncemented. The support structure may have an approximately funnel shape. The support structure may be a hollow porous cylindrical sleeve. The support structure may comprise a pair of partially hemispherical components arranged in spaced apart relationship thereby defining a channel between the pair of components. The support structure may comprise a plurality of pedestals secured to the inner surface of the cavity of the bone. | 12-01-2011 |
20120065738 | Cortical Bone Spacers for Arthrodesis - A spacer is used in a damaged bone to provide a contact surface that complements the shape of a cooperating bone so a corrective arthrodesis may be performed across the two bones. The spacer further may restore the length and, preferably, the shape of the damaged bone, particularly when a discrete bone segment has been removed. The spacer has a base having the length and shape of the removed bone segment, and a stem attached to the base for securing the spacer to the damaged bone. The spacer may have one or more fixation channels for receiving fixation devices, such as k-wires or bone pins. In a method of using the spacer, gradual osteotomies are performed on the damaged bone until bleeding bone is obtained. A stem hole is drilled to receive the stem, and the spacer is inserted and aligned with the damaged and cooperating bones. | 03-15-2012 |
20120101591 | STEM WITH PRESSFIT POROUS ELEMENT - An implant assembly comprises a stem and an augment. The augment includes a porous outer region which is integrally formed onto a solid inner region. The augment further includes, solid posts integrally formed on the solid inner region and extend through the porous outer region to the outer surface of the augment. The posts are integrally formed with and surrounded by the porous region and are designed to allow assembly of the augment to the stem without damaging the structure of the porous region. A method of attaching the augment is described, wherein a tool is designed to grip to posts of the augment and apply loads through these posts during assembly. | 04-26-2012 |
20120172996 | STEM FOR USE IN JOINT ARTHROPLASTY - The invention relates to a prosthesis for implantation into a long bone during joint arthroplasty, particularly Total Shoulder Arthoplasty and Total Hip Arthroplasty, and a method for use of the implant. | 07-05-2012 |
20120203354 | SOFT TISSUE ATTACHMENT MECHANISM - A prosthesis humeral implant has a stem including a coupling element at a proximal end thereof and a head having a coupling element at a distal portion thereof for coupling to the stem portion coupling element. The head has a bearing surface portion for articulating on a prosthetic glenoid and a base portion. A soft tissue attachment element has an L-shape with a mounting flange portion of the L-shape extending and clamped between the bearing portion and base portion. The soft tissue attachment portion has a portion extending proximally from the mounting flange portion. The soft tissue attachment element mounting portion is captured between the head bearing portion and base portion preferably by clamping or being permanently attached to one of the base or bearing portions during manufacture. | 08-09-2012 |
20130046391 | Orthopaedic Stem with Protrusion and Associated Surgical Procedure - A method of performing joint arthroplasty on a patient with a bone fragment of a bone at least partially separated from the bone in one embodiment includes providing a prosthetic component with a bone connecting portion and a bone fragment portion, implanting the bone connecting portion of the prosthetic component in the bone, and attaching the bone fragment to the bone using the bone fragment portion. | 02-21-2013 |
20140081418 | PROSTHETIC IMPLANT SUPPORT STRUCTURE - A prosthetic system that includes a prosthetic implant and a support structure secured to an inner surface of a cavity of a bone is disclosed. The support structure defines a channel that extends through the length of the support structure. The prosthetic implant is received in the channel, and a portion of the prosthetic implant is secured to an inner surface of the support structure by an adhesive. The support structure may comprise a pair of partially hemispherical components arranged in spaced apart relationship thereby defining the channel between the pair of components. | 03-20-2014 |
20140156022 | Percutaneous Osseointegrated Prosthetic Implant System - An implant system for securing a prosthesis to a selected bone of a subject including a stem and an abutment. The stem includes a porous region that promotes osseointegration of the selected bone following implantation of the stem. The abutment is secured to the stem and is configured for secure attachment to the prosthesis. The stem and the abutment include ultra-low friction and/or highly polished surfaces at select locations that inhibit bio-adhesion. | 06-05-2014 |
20140195002 | PERCUTANEOUS OSSEOINTEGRATED IMPLANT ASSEMBLY FOR USE IN SUPPORTING AN EXO-PROSTHESIS - An implant assembly for a long bone is adapted to support an exo-prosthesis. The assembly includes a stem, a subdermal component and a percutaneous post. The stem has a proximal end that is adapted to be received in a surgically prepared medullary canal of the long bone, and a distal end having a surface that is adapted to promote bone ingrowth. The subdermal component includes a proximal portion that is adapted for attachment to the distal end of the stem, and a fixation surface that is adapted to promote soft tissue fixation. The percutaneous post has a proximal end that is adapted to be attached to the subdermal component. | 07-10-2014 |
20160199187 | MULTIPURPOSE VOID FILLING PROSTHESIS | 07-14-2016 |
623230450 | Adjustable length | 3 |
20090076621 | ORTHOPEDIC DEVICE FOR AN ARTICULAR JOINT - An orthopedic device for ball and socket joint reconstruction. The anchor stem is adapted to be anchored in a medullary canal. A proximal portion of the anchor stem includes a threaded hole oriented along a longitudinal axis thereof. Metaphyseal portion includes a proximal end with recess and a longitudinal bore in fluid communication with the recess, and a distal end adapted to interface with the proximal portion of the anchor stem. An anti-rotation structure is preferably located at an interface of the anchoring stem to the metaphyseal portion to prevent rotation of the anchor stem relative to the metaphyseal portion around the longitudinal axis. A fastener is provided to extend through the longitudinal bore and to engage with the threaded hole on the anchor stem to fix the metaphyseal portion to the anchoring stem. The locking assembly is located in the recess and mechanically couples the head of the fastener to the metaphyseal portion to limit rotation of the fastener relative to the metaphyseal portion. An insert with an articular surface is provided that engages with the proximal end of the metaphysical portion and extends over the recess in the metaphyseal portion. | 03-19-2009 |
20120116535 | TELESCOPIC PROSTHESIS - A modular prosthesis according to embodiments of the present invention includes a diaphyseal element adapted for implantation into a bone, a metaphyseal element with a mount adapted to receive a prosthetic articulating surface, a fluid reception chamber formed between the diaphyseal element and the metaphyseal element, the fluid reception chamber having proximal and distal ends and a side wall, one end being formed by the diaphyseal element and the other end being formed by the metaphyseal element, and an injection canal in fluid communication with the fluid reception chamber, wherein the fluid reception chamber is configured to receive fluid injected via the injection canal, such that a length of the modular prosthesis is adjustable in a longitudinal dimension based on a volume of fluid received by the fluid reception chamber. Progressive insertion of agglutinating fluid into the fluid reception chamber lengthens the prosthesis. | 05-10-2012 |
20130289739 | Modular Joint Prosthesis - A modular joint prosthesis includes a nail for insertion into a bone marrow canal, the nail Slaving a nail neck. A neck piece has a proximal end, a middle shaft portion defining a longitudinal axis, and a distal end with a conical pin to which a slip-on joint hall can be attached. The proximal end of the neck piece has a helmet-shaped receiving head that includes an insertion opening for insertion of the nail neck or a module connector, a slot extending in the direction of the longitudinal axis, and corresponding recesses positioned on either side of the slot and extending perpendicularly to the longitudinal axis. The corresponding recesses receive a tensioning means which, in a tensioned state. clampingly fixes the nail neck or the module connector in the receiving head by frictional engagement in a jaw-like manner by application of tightening torque sufficient to prevent axial displacement and rotation. | 10-31-2013 |
623230460 | Including sleeve around stem member | 4 |
20110066252 | PROSTHETIC IMPLANT SUPPORT STRUCTURE - A prosthetic system that includes a prosthetic implant and a support structure secured to an inner surface of a cavity of a bone is disclosed. The support structure defines a channel that extends through the length of the support structure. The prosthetic implant is received in the channel, and a portion of the prosthetic implant is secured to an inner surface of the support structure by an adhesive. The support structure may comprise a pair of partially hemispherical components arranged in spaced apart relationship thereby defining the channel between the pair of components. | 03-17-2011 |
20130018482 | IMPLANT SLEEVE FOR CEMENT HIP STEMSAANM Meridew; Jason D.AACI WarsawAAST INAACO USAAGP Meridew; Jason D. Warsaw IN USAANM White; John R.AACI Winona LakeAAST INAACO USAAGP White; John R. Winona Lake IN USAANM Bollinger; Mark A.AACI Fort WayneAAST INAACO USAAGP Bollinger; Mark A. Fort Wayne IN US - An implant sleeve operable to center an implant at an implantation site. The implant sleeve includes a proximal end, a distal end, an annular sidewall, a mesh portion of the annular sidewall, and an interior area. The annular sidewall is between the proximal end and the distal end. The mesh portion defines a plurality of openings in the annular sidewall. The interior area is defined by the annular sidewall and is configured to receive a stem of the implant. A longitudinal axis of the implant sleeve extends along an axial center of the interior area. In response to force applied to the implant sleeve, the implant sleeve compresses and the mesh portion expands outward from the longitudinal axis. | 01-17-2013 |
20140074251 | Implant Sleeve For Orthopedic Implants - A method for centering a stem of an implant at an implantation site. The method includes implanting at the implantation site the implant having a sleeve rigidly mounted to the stem of the implant, the stem extends through an interior area of the sleeve. The method further includes compressing the sleeve by applying force to the sleeve to expand a mesh portion of the sleeve outward from the stem and into engagement with sidewalls of the implantation site to thereby center the stem at the implantation site. | 03-13-2014 |
20140135943 | Joint Prosthesis System With Positionable Head - A method includes inserting a stem into a bone, positioning a solid articulating portion of a mounting element within a tapered bore so that the mounting element is substantially free to pivot in multiple degrees of freedom relative to the stem while maintaining substantially contiguous engagement between the solid articulating portion and a portion of a surface of the tapered bore defining a circle, engaging the joint component to the mounting element, manipulating the mounting element to vary an angular position of the joint component with the mounting element positioned in the tapered bore while maintaining the substantially contiguous engagement, and mechanically locking the solid articulating portion in the tapered bore to fix a position of the mounting element relative to the stem after manipulating the mounting element by forcing the solid articulating portion toward a bottom of the tapered bore. | 05-15-2014 |