Patents Assigned to Biomet UK Limited
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Patent number: 8852288Abstract: A hip prosthesis has an oblong plate with at one head end a mounting pin provided with a hinge ball, and at the opposite head end a fastening pin for fastening the hip prosthesis in a shaft of a bone. A first part of the plate extends on a first side of the mounting pin. The mounting pin forms an angle ? smaller than 90 degrees with the first part of the plate and the tangent to the fastening pin at the location of the connection between the fastening pin and the first part of the plate forms an angle ? greater than 90 degrees with the first part of the plate. In order to insert the hip prosthesis into a bone in a simple manner, the fastening pin includes a curved shape from the plate onwards in a direction to the first part of the plate.Type: GrantFiled: May 8, 2008Date of Patent: October 7, 2014Assignee: Biomet UK LimitedInventor: Erik Leonard Hoffman
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Publication number: 20130317619Abstract: A femoral extension prosthetic component for use in a unicondylar meniscal bearing unicompartmental knee replacement is described. The femoral component comprises a securing element and a bearing surface, the securing element adapted to abut and be connected to a distal end of a femur bone, and the bearing surface adapted to abut a meniscal bearing. The femoral component includes an entrapment portion adapted to extend beyond the meniscal bearing. Tibial components and meniscal bearings are also described, as well as methods of using such components.Type: ApplicationFiled: September 8, 2011Publication date: November 28, 2013Applicants: Chris Alexander Dodd, Biomet UK Limited, David Wycliffe MurrayInventor: Colin Hunsley
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Publication number: 20130204258Abstract: A kit of parts for use in unicondylar knee replacement of a patient having a femur and a tibia comprises a drill guide and an intramedullary rod, the intramedullary rod being sized to fit within the intramedullary canal of the femur of the patient. The drill guide is arranged so as to engage a distal end of the intramedullary rod to that which engages the patient's intramedullary canal, and is formed with a foot portion sized to fit between the patient's femur and tibia before any bone is removed from the femur or tibia. The drill guide provides a guide for drilling of at least one hole in the femur. A further kit of parts for use in unicondylar knee replacement of a patient having a femur and a tibia comprises a femoral component for implantation in the femur, the femoral component having a bearing surface having a radius of curvature, and a guide spoon.Type: ApplicationFiled: April 20, 2011Publication date: August 8, 2013Applicant: Biomet UK LimitedInventors: John O'Connor, Chris Dodd, David Murray, Colin Hunsley
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Patent number: 8470048Abstract: A bearing component 2 for a joint replacement prosthesis comprises a first bearing element 4; a second bearing element 6, and a linking element 8, operatively connecting the first and second bearing elements 4, 6 and permitting relative motion there between. The flexible linking element 8 prevents dislocation of mobile bearings in a total knee replacement prosthesis. The invention also relates to a bridging element which retains the linking element 8 with some play, which acts as a ligament support 2051, and which causes a deflection of the line of action of a ligament 1018. A joint replacement prosthesis is also disclosed comprising a biasing element 1140 or a tensioning element 1220 operatively coupled to the artificial ligament 1018. The biasing element 1140 or tensioning element 1220 may be housed in the stem of a tibial tray 1006.Type: GrantFiled: October 31, 2008Date of Patent: June 25, 2013Assignee: Biomet UK LimitedInventors: David Wolfson, Russell Lloyd, John O'Connor, Mohammed Imran Khan, David Wycliffe Murray, Christopher Dodd, John W. Goodfellow
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Patent number: 8449619Abstract: A surgical device includes a first portion and a second portion. The first and second portions are releasably connected together by cooperating first and second formations. The first formation may be formed on the first portion. The second formation includes a resilient arm which is formed on the second portion and engages the first formation on the first portion. The resilient arm may be integrally formed with the second portion.Type: GrantFiled: June 4, 2004Date of Patent: May 28, 2013Assignee: Biomet UK LimitedInventors: Nick James Theophilus Metcalfe, Robert John Andrew Bigsby
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Publication number: 20130012950Abstract: A stylus assembly is adapted to be attached to a surgical jig. The stylus assembly comprises a body having first and second arms with a space therebetween for receiving a portion of the surgical jig, a stylus adjustably mounted relative to the body, and a locking member in use, actuation of the locking member from an unlocked to a locked position enables locking of the body to the surgical jig and locking of the stylus relative to the body.Type: ApplicationFiled: July 10, 2012Publication date: January 10, 2013Applicant: Biomet UK LimitedInventors: David Wycliffe Murray, Russell Lloyd
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Publication number: 20120323249Abstract: A drill guide comprising: a body comprising a hole extending therethrough for guiding a drill; and an alignment tool, the alignment tool being operable to connect the body to an intramedullary rod, such that the orientation of the body is fixable with respect to the intramedullary rod in an anteroposterior plane and in a transverse plane.Type: ApplicationFiled: November 17, 2010Publication date: December 20, 2012Applicant: BIOMET UK LIMITEDInventors: Mona Alinejad, Christopher Alexander Dodd, John William Goodfellow, Russell Lloyd, David Wycliffe Murray, John Joseph O'Connor
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Publication number: 20120259422Abstract: A femoral neck prosthesis (10) with a cross-section defined by a perimeter comprising: first and second arcuate portions (12, 14) disposed opposite one another; and first and second substantially straight portions (16, 18) disposed opposite one another and in between the first and second arcuate portions, wherein the first and second straight portions are non-parallel with respect to one another.Type: ApplicationFiled: October 28, 2009Publication date: October 11, 2012Applicant: Biomet UK LimitedInventors: Christos Pappas, Robert John Andrew Bigsby, Gordon William Blunn, Poul T. Nielsen
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Publication number: 20120245702Abstract: A prosthetic assembly A prosthetic assembly (10) comprising: a body portion (12); first and second flanges (14, 16) provided on a rim (18) of the body portion; the first and second flanges being provided with first and second openings (20, 22) respectively; and a bridging member (24) connectable to the first and second flanges such that the member spans between the first and second flanges, the member being provided with a third opening (26); wherein the first, second and third openings are suitable for receiving first, second and third bone attachment members (28, 30, 32) respectively.Type: ApplicationFiled: July 28, 2010Publication date: September 27, 2012Applicant: BIOMET UK LIMITEDInventors: Christos Pappas, Heikki Vilhelm Pitkanen, Robert John Andrew Bigsby, Esa Tapio Anttila, Anthony Ward
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Publication number: 20120184966Abstract: A surgical impactor (2) for inserting a prosthetic implant (26) into a bone, the surgical impactor (2) comprising: a movable retaining means (8) for releasably connecting the implant (26) to the surgical impactor (2), wherein the movable retaining means (8) has a first position in which the implant (26) is connected to the surgical impactor (2) and a second position in which the implant (26) is not connected to the surgical impactor (2); and a mechanism (14, 16) for moving the movable retaining means (8) between the first and second positions, wherein the movable retaining means (8) and the mechanism (14, 16) are removable from the surgical impactor (2).Type: ApplicationFiled: July 1, 2010Publication date: July 19, 2012Applicant: BIOMET UK LIMITEDInventors: Russell Lloyd, Mona Alinejad, David Wycliffe Murray, Christopher Dodd, Paul James Kistle, Nigel John Bird
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Patent number: 8221429Abstract: A stylus assembly (10) is adapted to be attached to a surgical jig (50). The stylus assembly (10) comprises a body (12) having first and second arms (22, 24) with a space (32) therebetween for receiving a portion of the surgical jig, a stylus (16) adjustably mounted relative to the body (12), and a locking member (20), In use, actuation of the locking member (20) from an unlocked to a locked position enables locking of the body (12) to the surgical jig (50) and locking of the stylus (16) relative to the body (12).Type: GrantFiled: May 16, 2006Date of Patent: July 17, 2012Assignee: Biomet UK LimitedInventors: David Wycliffe Murray, Russell Lloyd
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Publication number: 20110270404Abstract: A prosthetic bearing component (10) comprising a bearing surface (40), wherein in use one or more openings (20) are provided on the bearing surface (40) and wherein the one or more openings (20) are suitable for receiving one or more attachment means (30) to secure the prosthetic bearing component (10) in place.Type: ApplicationFiled: August 27, 2009Publication date: November 3, 2011Applicant: BIOMET UK LIMITEDInventors: Mohammed Imran Khan, Robert John Andrew Bigsby, Robert Andrew Scott, David Wayne Schroeder
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Publication number: 20110106265Abstract: A bearing component 2 for a joint replacement prosthesis comprises a first bearing element 4; a second bearing element 6, and a linking element 8, operatively connecting the first and second bearing elements 4, 6 and permitting relative motion there between. The flexible linking element 8 prevents dislocation of mobile bearings in a total knee replacement prosthesis. The invention also relates to a bridging element which retains the linking element 8 with some play, which acts as a ligament support 2051, and which causes a deflection of the line of action of a ligament 1018. A joint replacement prosthesis is also disclosed comprising a biasing element 1140 or a tensioning element 1220 operatively coupled to the artificial ligament 1018. The biasing element 1140 or tensioning element 1220 may be housed in the stem of a tibial tray 1006.Type: ApplicationFiled: October 31, 2008Publication date: May 5, 2011Applicant: BIOMET UK LIMITEDInventors: David Wolfson, Russell Lloyd, John O'connor, Mohammed Imran Khan, David Wycliffe Murray, Christopher Dodo, John W. Goodfellow
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Publication number: 20100292743Abstract: An instrument (2) for aligning a surgical tool, the instrument (2) comprising, a body portion (4) having a tool guide (90), first and second arms (6), (8) operatively connected to the body portion (4) and adapted to engage a bone, and urging means (10), acting between the body portion (4) and the first and second arms (6), (8), for urging the first and second arms (6), (8) into engagement with a predetermined portion of a bone, thereby clamping the arms (6), (8) onto the bone and aligning the tool guide (90) with the bone.Type: ApplicationFiled: October 2, 2007Publication date: November 18, 2010Applicant: BIOMET UK LIMITEDInventors: Keshav Singhal, Heikki Vihelm Pitkanen, Nick James Theophilius Metcalfe
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Patent number: 7572296Abstract: A prosthesis to be implanted within a bone comprises a shell and a liner that fits within the shell. The shell comprises a bone engaging region which terminates at a first plane, and a non-bone engaging region which extends out of the first plane and at least partially defines an open mouth of the shell.Type: GrantFiled: November 15, 2006Date of Patent: August 11, 2009Assignee: Biomet UK LimitedInventors: Robert A. Scott, Robert John Andrew Bigsby
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Publication number: 20090112212Abstract: A stylus assembly (10) is adapted to be attached to a surgical jig (50). The stylus assembly (10) comprises a body (12) having first and second arms (22, 24) with a space (32) therebetween for receiving a portion of the surgical jig, a stylus (16) adjustably mounted relative to the body (12), and a locking member (20), In use, actuation of the locking member (20) from an unlocked to a locked position enables locking of the body (12) to the surgical jig (50) and locking of the stylus (16) relative to the body (12).Type: ApplicationFiled: May 16, 2006Publication date: April 30, 2009Applicant: Biomet UK LimitedInventors: David Wycliffe Murray, Russell Lloyd
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Publication number: 20070173848Abstract: A jig includes a main body with at least one tool guide portion and a referencing member. The main body includes an adjusting member which acts between the main body and the referencing member to move the main body relative to the bone.Type: ApplicationFiled: July 27, 2004Publication date: July 26, 2007Applicant: Biomet UK LimitedInventors: Iain Lennox, Russell Lloyd, Nick Metcalfe