Patents Assigned to DePuy International Limited
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Patent number: 11576616Abstract: A method for assessing the orthopaedic performance of a joint of a patient can comprise implanting at least a first and second RF wirelessly detectable markers in first and second bones associated with a site and determining and storing their positions before a surgical procedure is performed. The procedure can be carried out on the site and the positions of the first and second markers can be detected and stored after the procedure has been completed. The detected positions can be used to generate a representation of the orthopaedic performance of the joint after the procedure.Type: GrantFiled: February 5, 2020Date of Patent: February 14, 2023Assignee: DePuy International LimitedInventors: Ian Revie, Alan Ashby, Dudi Reznick, Yaacov Nitzan
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Patent number: 10646623Abstract: An implantable medical device, which comprises a device substrate, a coating on the substrate which includes a drug, and a protective layer which overlies the coating. The protective layer comprises a polymer selected from the group consisting of polylactic acid, polyglycolic acid and a lactic acid/glycolic acid copolymer having a weight average molecular weight of not more than 40,000.Type: GrantFiled: December 1, 2017Date of Patent: May 12, 2020Assignee: DePuy International LimitedInventors: Yufu Li, Deborah Schachter, Raymond S. Shissias, Sandra Wechsler
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Patent number: 10582896Abstract: A method for assessing the orthopaedic performance of a joint of a patient can comprise implanting at least a first and second RF wirelessly detectable markers in first and second bones associated with a site and determining and storing their positions before a surgical procedure is performed. The procedure can be carried out on the site and the positions of the first and second markers can be detected and stored after the procedure has been completed. The detected positions can be used to generate a representation of the orthopaedic performance of the joint after the procedure.Type: GrantFiled: June 29, 2015Date of Patent: March 10, 2020Assignee: DePuy International LimitedInventors: Ian Revie, Alan Ashby, Dudi Reznick, Yaacov Nitzan
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Patent number: 10456148Abstract: A bone broach is formed from a plurality of substantially planar members which are positioned adjacent to each other with each of the substantially planar members attached to at least one other substantially planar member. At least some of the substantially planar members defines at least one cutting profile at its perimeter. The plurality of substantially planar members include a first group of substantially planar members defining planes which are substantially parallel to each other, and at least one additional substantially planar member defining a plane which is angled relative to the planes defined by the first group of substantially planar members.Type: GrantFiled: April 26, 2017Date of Patent: October 29, 2019Assignee: DEPUY INTERNATIONAL LIMITEDInventor: Duncan Young
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Patent number: 9849220Abstract: An implantable medical device, which comprises a device substrate, a coating on the substrate which includes a drug which is highly soluble in water, and a protective layer which overlies the coating. The protective layer comprises a polymer selected from the group consisting of polylactic acid, polyglycolic acid and a lactic acid/glycolic acid copolymer having a weight average molecular weight of not more than 40,000.Type: GrantFiled: October 16, 2009Date of Patent: December 26, 2017Assignee: DePuy International LimitedInventors: Yufu Li, Deborah Schachter, Raymond S. Shissias, Sandra Wechsler
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Patent number: 9775626Abstract: A surgical instrument system includes a tool (2) including an elongate shaft which defines the tool axis. The shaft bears a plurality of marker rings (10, 11, 12) arranged in a predetermined pattern on the surface of the shaft so that they extend around the shaft axis. The system includes at least two receiving devices (14) which are spaced apart for receiving stereoscopic signals from the rings on the tool, and a data processor (16) for analyzing the signal from the rings and generating information relating to the position and orientation of the tool relative to the receiving device.Type: GrantFiled: September 27, 2010Date of Patent: October 3, 2017Assignee: DePuy International LimitedInventors: Ian Revie, Michal Slomczykowski
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Patent number: 9693879Abstract: An alignment guide is described that includes a shaft having a longitudinal axis and a housing attachable to the shaft and rotatable about a first axis that is substantially perpendicular to the longitudinal axis. A guide arm the extends from the housing at a predetermined angle along a second axis. A spirit level is connected to the housing on a plane aligned with the predetermined angle.Type: GrantFiled: September 9, 2014Date of Patent: July 4, 2017Assignee: DEPUY INTERNATIONAL LIMITEDInventors: Alec Birkbeck, Robert Freeman, Gary Moore, Steven Gowers
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Patent number: 9662122Abstract: A bone broach is formed from a plurality of substantially planar members which are positioned adjacent to each other with each of the substantially planar members attached to at least one other substantially planar member. At least some of the substantially planar members defines at least one cutting profile at its perimeter. The plurality of substantially planar members include a first group of substantially planar members defining planes which are substantially parallel to each other, and at least one additional substantially planar member defining a plane which is angled relative to the planes defined by the first group of substantially planar members.Type: GrantFiled: June 3, 2014Date of Patent: May 30, 2017Assignee: DEPUY INTERNATIONAL LIMITEDInventor: Duncan Young
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Patent number: 9603722Abstract: A surgical instrument alignment guide comprising a mount (2) arranged to be coupled to a bone of a patient, an alignment rod (4), a guide rod (24) and an indicator (26). The alignment rod (4) has a first end pivotally coupled to the mount (2) such that the inclination of the alignment rod (4) relative to the mount (2) is adjustable. The guide rod (24) is couplable to a second end of the alignment rod (4) at an adjustable angle and orientation such that the guide rod (24) can extend transverse to the alignment rod (4). The indicator (26) is coupled to the guide rod (24) to indicate when the guide rod (24) lies at a desired angle relative to a horizontal axis. Also disclosed is a method of aligning a surgical instrument using the surgical instrument alignment guide.Type: GrantFiled: July 15, 2015Date of Patent: March 28, 2017Assignee: DEPUY INTERNATIONAL LIMITEDInventors: David Beverland, Robert Freeman, Steven Gowers
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Patent number: 9380980Abstract: A method for assessing the orthopedic performance of a joint of a patient can comprise implanting at least a first and second RF wirelessly detectable markers in first and second bones associated with a site and determining and storing their positions before a surgical procedure is performed. The procedure can be carried out on the site and the positions of the first and second markers can be detected and stored after the procedure has been completed. The detected positions can be used to generate a representation of the orthopedic performance of the joint after the procedure.Type: GrantFiled: March 7, 2005Date of Patent: July 5, 2016Assignee: DePuy International LimitedInventors: Ian Revie, Alan Ashby, Dudi Reznick, Yaacov Nitzan
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Publication number: 20160158027Abstract: An alignment guide is provided having a shaft having a longitudinal axis. The guide includes a housing configured to be attached to the shaft and rotatable about a first axis substantially perpendicular to the longitudinal axis. The housing includes a base and a plate. The base is attached to the shaft, and the plate is rotatable about the first axis relative to the base. The guide also includes a guide arm having a first portion and a second portion, the first portion being attached to the housing and extending from the housing along a second axis, the second portion extending from the first portion at a first predetermined angle.Type: ApplicationFiled: February 17, 2016Publication date: June 9, 2016Applicants: DEPUY INTERNATIONAL LIMITED, DEPUY INTERNATIONAL LIMITEDInventors: Alec Birkbeck, Robert Freeman, Gary Moore, Steven Gowers
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Patent number: 9333022Abstract: A tool for extracting a pin from a substrate comprises a first lever arm with a body part having a cavity in which the free end of a pin can be received, and a second lever arm which can pivot relative to the first lever arm. A jaw component is provided within the body part which can be actuated from an unlocked position in which a pin within the jaw component can slide freely past the jaw component, and a locked position in which the pin is gripped by engagement of the jaw component with the side wall of the pin, and a support is provided which can slide relative to the body part, in a direction towards the substrate from which the pin is to be extracted. Initial movement of the first lever arm relative to the second lever arm causes the jaw component to be actuated from its unlocked position to its locked position so that an inserted pin is gripped by the jaw component.Type: GrantFiled: July 5, 2007Date of Patent: May 10, 2016Assignee: DEPUY INTERNATIONAL LIMITEDInventors: William Graves, Iain Alexander McMillan, Ray Randle
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Patent number: 9295566Abstract: An alignment guide is provided having a shaft with a longitudinal axis and a guide arm having a first portion, a second portion and a third portion. The first portion is attached to the shaft and configured to be rotatable about a first axis substantially perpendicular to the longitudinal axis. The second portion extends from the first portion at a first predetermined angle along a second axis. The third portion extends from the second portion at a second predetermined angle.Type: GrantFiled: May 4, 2010Date of Patent: March 29, 2016Assignee: DEPUY INTERNATIONAL LIMITEDInventors: Alec Birkbeck, Robert Freeman, Gary Moore, Steven Gowers
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Patent number: 9114027Abstract: A surgical instrument alignment guide comprising a mount (2) arranged to be coupled to a bone of a patient, an alignment rod (4), a guide rod (24) and an indicator (26). The alignment rod (4) has a first end pivotally coupled to the mount (2) such that the inclination of the alignment rod (4) relative to the mount (2) is adjustable. The guide rod (24) is couplable to a second end of the alignment rod (4) at an adjustable angle and orientation such that the guide rod (24) can extend transverse to the alignment rod (4). The indicator (26) is coupled to the guide rod (24) to indicate when the guide rod (24) lies at a desired angle relative to a horizontal axis. Also disclosed is a method of aligning a surgical instrument using the surgical instrument alignment guide.Type: GrantFiled: April 29, 2010Date of Patent: August 25, 2015Assignee: DEPUY INTERNATIONAL LIMITEDInventors: David Beverland, Robert Freeman, Steven Gowers
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Patent number: 9095448Abstract: A method of aligning an alignment guide relative to a reamed acetabulum of a patient is provided. The method includes the step of manipulating an alignment guide comprising a shaft having a longitudinal axis and a guide arm having a first portion, a second portion and a third portion, the first portion attached to the shaft and configured to be rotatable about a first axis substantially perpendicular to the longitudinal axis, the second portion extending from the first portion at a first predetermined angle along a second axis, and the third portion extending from the second portion at a second predetermined angle. The guide arm is rotated about the first axis relative to the shaft. A cup or trial is attached to the distal end of the shaft and positioned to contact the reamed acetabulum. The third portion of the guide arm is then oriented with respect to the long axis of the patient and the surface of the table on which the patient is positioned.Type: GrantFiled: May 4, 2010Date of Patent: August 4, 2015Assignee: DEPUY INTERNATIONAL LIMITEDInventors: Alec Birkbeck, Robert Freeman, Gary Moore, Steven Gowers
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Patent number: 9084687Abstract: An orientation guide comprising a housing arranged to couple to a surgical instrument. In one embodiment the orientation guide further comprises first and second indicators (22, 26). The first indicator (22) is pivotally coupled to the housing (20) such that the first indicator (22) can rotate relative to the housing (20) about a first axis (24) to maintain its angular position about the first axis (24) relative to a vertical axis irrespective of movement of the housing (20). The second indicator (26) surrounds the first indicator (22) and is pivotally coupled to the housing (20) such that the second indicator (26) can rotate relative to the housing (20) about a second axis (32) orthogonal to the first axis (24) to maintain its angular position about the second axis (32) relative to the vertical axis irrespective of movement of the housing (20).Type: GrantFiled: December 18, 2009Date of Patent: July 21, 2015Assignee: DEPUY INTERNATIONAL LIMITEDInventors: Ivan Green, Robert Freeman, Steven Gowers
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Patent number: 9078669Abstract: A cutting guide instrument for use in a cutting step in an orthopedic surgical procedure comprises a reference component comprising a first element which can be attached or otherwise aligned relative to the bone in a predetermined arrangement and a locator arm. The invention further comprises a cutting block comprising a reference surface which can be engaged by a cutting tool to define the location and orientation of the tool during the cutting step. The cutting block further comprises at least one fixation bore for receiving a fixation pin to fix the cutting block to the bone. The locator arm can be fitted against the reference surface so that the reference component and cutting block are arranged in a predetermined manner.Type: GrantFiled: April 2, 2007Date of Patent: July 14, 2015Assignee: DEPUY INTERNATIONAL LIMITEDInventor: Liam Dower
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Patent number: 9078668Abstract: A technique for locating an axis of a bone, which extends through the center of rotation of the bone around a joint between that bone and another bone, involves a. moving the bone in a plane about the said joint, between a first point and a second point, b. locating a third point which is equidistant from the first and second points, and c. locating the axis which passes through the third point, perpendicular to a line which connects the first and second points. The invention provides an instrument for performing this technique.Type: GrantFiled: November 8, 2007Date of Patent: July 14, 2015Assignee: DEPUY INTERNATIONAL LIMITEDInventors: Mick Rock, Callum Colquhoun
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Patent number: 9066731Abstract: An instrument for removing tissue from a bone to create a cavity consists of an approximately spherical body having cutting formations in its external surface for cutting a bone. The body has a connector by which it can be connected to a drive by which it can be rotated about an axis, and a recess at the pole, opposite the connector. When the instrument is applied to the surface of a bone and is rotated about its axis, bone is cut as a result of the action of the formations against the bone, and a circular region of bone adjacent to the polar recess in the body remains generally intact.Type: GrantFiled: December 12, 2008Date of Patent: June 30, 2015Assignee: DEPUY INTERNATIONAL LIMITEDInventor: Gary Moore
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Patent number: 9042621Abstract: A system and computer implemented method for use in determining the deviation of an intra-operative position of an orthopaedic implant from a planned position is described. The position of the orthopedic implant in the bone is defined by a plurality of implant position parameters. The distance of a plurality of anatomical features in a three dimensional model of the surface of the bone relative to a model of the implant at a first position is calculated. The first position corresponds to a first set of values for the implant position parameters. The distance of the plurality of anatomical features to a model of the implant at a second position in the bone is calculated. The second position corresponds to a second set of values for the implant position parameters, and the second position is different to the first position.Type: GrantFiled: October 20, 2010Date of Patent: May 26, 2015Assignee: DEPUY INTERNATIONAL LIMITEDInventors: Alan Ashby, Harald Bornfleth, Thorsten Burger