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Brian M. May, Warsaw US

Brian M. May, Warsaw, IN US

Patent application numberDescriptionPublished
20090125114KNEE JOINT PROSTHESIS SYSTEM AND METHOD FOR IMPLANTATION - A system for cooperating with an elongated IM member during preparation of a bone for receiving a prosthesis can include a scaffold, skeleton or frame. An alignment assembly can be selectively coupled to the frame. The alignment assembly can cooperate with the IM member to position the frame relative to the bone. A cutting block can be selectively coupled to the frame. According to other features, a posterior stabilized (PS) box guide assembly can have a PS box guide attachment portion that selectively couples with the first attachment portion of the frame. A posterior foot can selectively couple with a second attachment portion on the frame. The posterior foot can be positioned to occupy space of a joint line in an installed position.05-14-2009
20090149964KNEE JOINT PROSTHESIS SYSTEM AND METHOD FOR IMPLANTATION - A method for preparing at least a first bone for receiving a prosthesis can include positioning an IM member in a bone. A scaffold, skeleton or frame can be located onto the bone at a desired location. An alignment assembly can be coupled to the frame. The alignment assembly can be moved relative to the IM member to position the frame at a desired location relative to the bone. The frame can be fixed to the bone at the desired location. A cavity can be reamed into the bone using at least a portion of the alignment assembly as a guide. The alignment assembly can be removed from the frame. A cutting block can be coupled to the first attachment portion. Cuts can be prepared in the bone using the cutting block as a guide.06-11-2009
20090216325Method And Apparatus For Providing Resorbable Fixation Of Press-Fit Implants - A press-fit prosthesis for replacing a portion of a bone. The prosthesis can comprise a first side and a second side opposite the first side. The second side can be operable to engage the bone. The prosthesis can include at least one resorbable fixation member coupled to the second side such that the at least one resorbable fixation member does not extend through to the first side. The at least one resorbable fixation member can be coupled offset from a center of the second side. The at least one resorbable fixation member can substantially resist movement of the prosthesis relative to the bone. The at least one resorbable fixation member can resorb at a rate that enables bone in-growth to fixedly couple the prothesis to the bone.08-27-2009
20090265014Method And Apparatus For Attaching Soft Tissue To An Implant - A system and method for attaching soft tissue to a prosthetic implant can include a prosthetic component that defines a soft tissue attachment region having an attachment surface thereon. A first construct can be formed of porous metal and be removably coupled to the attachment surface. A second construct can be positioned outboard of the soft tissue. A fastener can be engaged to the second construct capturing the soft tissue against the first construct. The fastener can be coupled on a distal end to the first prosthetic component.10-22-2009
20090265015Method And Apparatus For Attaching Soft Tissue To Bone - A system and method for attaching soft tissue to a prosthetic implant can include a prosthetic component that defines a soft tissue attachment region having an attachment surface thereon. A first construct can be formed of porous metal and be removably coupled to the attachment surface. A second construct can be positioned outboard of the soft tissue. A fastener can be engaged to the second construct and capture the soft tissue against the first construct. The fastener can be coupled on a distal end to the first prosthetic component.10-22-2009
20100100190TIBIAL TRAY HAVING A REINFORCING MEMBER - A knee joint prosthesis can include a tibial component that can have a tibial tray. The tibial tray can include a platform-like tray that defines a superior surface and an inferior surface. The platform-like tray can have a tray perimeter and a raised wall formed on the inferior surface. The raised wall can be offset inboard relative to the tray perimeter. Porous material can be disposed on the inferior surface of the platform-like tray at a location generally between the raised wall and the tray perimeter.04-22-2010
20100100191Tibial Tray Having a Reinforcing Member - A knee joint prosthesis can include a tibial component that can have a tibial tray. The tibial tray can include a platform-like tray that defines a superior surface and an inferior surface. The platform-like tray can have a tray perimeter and a raised wall formed on the inferior surface. The raised wall can be offset inboard relative to the tray perimeter. Porous material can be disposed on the inferior surface of the platform-like tray at a location generally between the raised wall and the tray perimeter.04-22-2010
20100131068Porous Titanium Modular Revision Patella System - A patellar implant includes a posterior portion and an anterior portion. The posterior portion can have a first radial sidewall that extends between an outboard face and an inboard face. The outboard face can include an articulating surface. The inboard face can include one of a stem and a recess, and one of an annular central hub and an annular radial pocket. The anterior portion can have a second radial sidewall that extends between a tissue engaging surface and a posterior portion engaging surface.05-27-2010
20100174378Knee Joint Prosthesis System and Method for Implantation - A prosthesis system for replacing a knee joint between a femur and a tibia can include a femoral component, a tibial component, a bearing, a first yoke, and a first key. The femoral component can include a first condylar portion, a second condylar portion, a first sidewall extending superiorly from the first condylar portion, a second sidewall extending superiorly from the second condylar portion where the first and second sidewalls collectively comprise a first hinge portion. The tibial component can have a bone engaging inferior surface and a bearing engaging superior surface. The bearing can have an inferior that engages the bearing engaging surface and a superior femoral engaging surface. The bearing can define an opening. The first yoke can have an inferior portion, a superior portion and a yoke keyway extending through the therethrough.07-08-2010
20110046735Patient-Specific Implants - An endoprosthetic device includes a monolithic meniscal implant having a three-dimensional patient-specific tibial engagement surface nesting in and complementary to a proximal surface of the proximal tibia of a patient and a femoral articulating surface opposite to the tibial engagement surface for articulating with a femoral condyle of the patient. The meniscal implant includes a first portion and a second remainder portion, wherein the first portion is compressible relative to the second remainder portion.02-24-2011
20110071533Patient-Specific Orthopedic Instruments - An orthopedic device includes a patient-specific alignment guide operable for preparing a bone of a patient for resection during joint arthroplasty. The alignment guide includes a patient-specific bone engagement surface complementary to a surface of the bone of the patient and imaged from a bone scan of the patient. The alignment guide includes a plurality of guiding bores, and a plurality of alignment pins received through corresponding guiding bores for attaching the alignment guide to the bone. The alignment pins are resorbable and can be cut off during a resection of the bone.03-24-2011
20110202141METHOD AND APPARATUS FOR AUGMENTING BONE DEFECTS - A bone augment for repairing a bone defect. The bone augment includes a porous body and a metallic liner. The porous body defines a bore and is configured to be intraoperatively shaped to correspond to the bone defect. The metallic liner is injection molded within the bore such that portions of the liner interlock with pores of the porous body. The metallic liner is operable to mount an implant to the bone augment.08-18-2011
20120046755Prosthetic Hip Device and Associated Method - A prosthetic device for replacement of a first pelvic portion of a pelvis of a patient opposite to a second pelvic portion relative to a median plane includes an acetabular component a flange component and a pubis component. The acetabular component has a first connecting portion and a second connecting portion at an angle relative to the first connecting portion, the angle selected for a corresponding anatomy of the patient. The flange component is coupled to the first connecting portion and configured to attach to a healthy pelvic portion on a same side of the median plane from the first pelvic portion. The pubis component is connected to the second connecting portion of the acetabular component and having a clamping portion configured to attach to a healthy pubis bone on an opposite side of the median plane from the first pelvic portion.02-23-2012
20120296438KNEE JOINT PROSTHESIS SYSTEM AND METHOD FOR IMPLANTATION - A prosthesis system for replacing a knee joint between a femur and a tibia can include a first femoral component including a first condylar portion, a second condylar portion, a first sidewall extending superiorly from the first condylar portion and a second sidewall offset from the first sidewall a first distance and extending superiorly from the second condylar portion. A tibial component can have a bone engaging inferior surface and a bearing engaging superior surface. A bearing can have an inferior surface that engages the bearing engaging surface and a superior femoral engaging surface. The bearing can define an opening and a bearing keyway. A first yoke and a second yoke can each have an inferior portion, a superior portion, and a yoke keyway extending therethrough.11-22-2012
20130190883Knee Joint Prosthesis System and Method for Implantation - A prosthesis for replacing a knee joint between a femur and a tibia can include a femoral component, a tibial component, a bearing and a yoke assembly. The yoke assembly can have a yoke disposed between the bearing and the femoral component and an axle having an axle axis. The axle can hingedly couple the yoke with the femoral component. Rotation of the femoral component about a rotation axis that is perpendicular to the axle axis causes concurrent rotation of the yoke about the rotation axis.07-25-2013
20130211536Method And Apparatus For Augumenting Bone Defects - A bone augment for repairing a bone defect and associated method. The bone augment includes a porous body and a reinforcement member. The porous body defines a plurality of pores and is configured to be intraoperatively shaped to correspond to the bone defect. The reinforcement member is mounted on an exterior surface of the porous body and is configured to be intraoperatively shaped to correspond to the bone defect08-15-2013
20140081275Patient-Specific Orthopedic Instruments - A method of preparing a distal femur for a knee joint implant includes mounting a patient-specific bone engagement surface of a femoral alignment guide on a complementary surface of a distal femur of a patient. A plurality of alignment pins is inserted through a corresponding plurality of guiding bores of the femoral alignment guide into the distal femur. A cutting guide is mounted on first and second alignment pins of the plurality of alignment pins, and a first resection of the distal femur is made using the cutting guide while cutting through the femoral alignment guide.03-20-2014
20140114318KNEE JOINT PROSTHESIS SYSTEM AND METHOD FOR IMPLANTATION - A method for preparing a first bone for receiving a prosthesis. The method includes coupling a revision alignment member to a template; positioning an offset alignment bushing relative to the revision alignment member; positioning the offset alignment bushing at the first bone such that an intramedullary member seated in the first bone extends through a passage defined by the offset alignment bushing; replacing the offset alignment bushing with a first bone cutting bushing; cutting the first bone using the first bone cutting bushing as a guide; replacing the first bone cutting bushing with an offset second bone cutting bushing; providing the second bone cutting bushing with a rotational orientation corresponding to a rotational orientation of the offset alignment bushing; and cutting the first bone using the offset second bone cutting bushing as a guide to prepare the bone to receive an offset prosthesis adapter.04-24-2014
20140121715METHOD OF IMPLANTING A KNEE PROSTHESIS BASED ON BONE DENSITY - A method of implanting a prosthesis based on bone density of a bone is provided. A first bone density of the bone may be determined at a first portion of the bone. A second bone density of the bone may be determined at a second portion of the bone. A first desired amount of bone removal may be determined at the first portion of the bone based on the first bone density. A second desired amount of bone removal may be determined at the second portion of the bone based on the second bone density. The desired amounts of bone may be removed from the first and second portions of the bone. A prosthesis may be selected and implanted.05-01-2014
20140277535Knee Prosthesis System - A knee prosthesis system constructed in accordance to one example of the present disclosure can include a femoral component, a tibial component, a first femoral component insert, a second femoral component insert, a first tibial bearing, and a second tibial bearing. The knee prosthesis system may be configured in one of a non-hinged configuration and a second hinged configuration. In the first non-hinged configuration, the first femoral component insert is positioned relative to the femoral component and the first tibial bearing is positioned onto the tibial component. In the second hinged configuration, the second femoral component insert is positioned relative to the femoral component and the second tibial bearing is positioned onto the tibial component.09-18-2014

Patent applications by Brian M. May, Warsaw, IN US

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