Patents by Inventor Herbert André Jansen
Herbert André Jansen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20160228192Abstract: A CAS system and method for guiding an operator in inserting a femoral implant in a femur as a function of a limb length and orientation of the femoral implant with respect to the femur, comprising a reference tool for the femur, a registration tool, a bone altering tool and a sensing apparatus.Type: ApplicationFiled: April 18, 2016Publication date: August 11, 2016Applicant: ORTHOSOFT INC.Inventors: Herbert Andre Jansen, Louis-Philippe Amiot, Isabelle Fontaine, Sebastien Jutras, Daniel Odermatt, Benoit Pelletier
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Patent number: 9339277Abstract: A CAS system and method for guiding an operator in inserting a femoral implant in a femur as a function of a limb length and orientation of the femoral implant with respect to the femur, comprising a reference tool for the femur, a registration tool, a bone altering tool and a sensing apparatus.Type: GrantFiled: October 3, 2003Date of Patent: May 17, 2016Assignee: ORTHOSOFT HOLDINGS INC.Inventors: Herbert André Jansen, Louis-Philippe Amiot, Isabelle Fontaine, Sébastien Jutras, Daniel Odermatt, Benoît Pelletier
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Publication number: 20150313723Abstract: A cup impactor assembly comprises a shaft. A cup coupler is at a cup end of the shaft and is releasably connecting a cup in fixed relation. A handle is at an impacting end of the shaft. A visual guide is mounted to at least one of the shaft and the handle, the visual guide producing visual guidance for pointing at at least two landmarks of the pelvis or fixed relative to the pelvis, based on a pre-planned patient-specific relation between the at least two landmarks and a desired acetabular cup orientation relative to the landmarks. A method for orienting an acetabular cup prior to impacting in an acetabulum of a pelvis is also provided.Type: ApplicationFiled: April 30, 2015Publication date: November 5, 2015Inventors: Herbert Andre JANSEN, Di LI, Karine DUVAL, Bruno FALARDEAU, Francois PARADIS, Benoit PELLETIER
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Publication number: 20140316545Abstract: A computer-assisted surgery system for guiding alterations to a bone, comprises a trackable member secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data. A positioning block is secured to the bone, and is adjustable once the positioning block is secured to the bone to be used to guide tools in altering the bone. The positioning block has a second inertial sensor unit producing orientation-based data. A processing system providing an orientation reference associating the bone to the trackable member comprises a signal interpreter for determining an orientation of the trackable member and of the positioning block. A parameter calculator calculates alteration parameters related to an actual orientation of the positioning block with respect to the bone.Type: ApplicationFiled: January 16, 2014Publication date: October 23, 2014Applicant: ORTHOSOFT, INC.Inventors: Louis-Philippe AMIOT, Yannick BOUTIN, Yonik BRETON, Karine DUVAL, Herbert Andre JANSEN, Benoit PELLETIER, Catherine PROULX, Alain RICHARD, Myriam VALIN, Joel ZUHARS
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Patent number: 8718820Abstract: A computer-assisted surgery system for guiding alterations to a bone, comprises a trackable member secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data. A positioning block is secured to the bone, and is adjustable once the positioning block is secured to the bone to be used to guide tools in altering the bone. The positioning block has a second inertial sensor unit producing orientation-based data. A processing system providing an orientation reference associating the bone to the trackable member comprises a signal interpreter for determining an orientation of the trackable member and of the positioning block. A parameter calculator calculates alteration parameters related to an actual orientation of the positioning block with respect to the bone.Type: GrantFiled: August 17, 2012Date of Patent: May 6, 2014Assignee: Orthosoft, Inc.Inventors: Louis-Philippe Amiot, Yannick Boutin, Yonik Breton, Karine Duval, Herbert Andre Jansen, Benoît Pelletier, Catherine Proulx, Alain Richard, Myriam Valin, Joel Zuhars
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Patent number: 8449551Abstract: A device (10,10?,20,20?) for digitizing a center of rotation of a hip joint implant component (A,F) with respect to a bone element in computer-assisted surgery. The device (10,10?,20,20?) comprises a detectable member (12,22) trackable for position and orientation by a computer-assisted surgery system (30). A body (11,21) is connected to the detectable member (12,22) in a known geometry. The body (11,21) has a coupling portion (14,14?,24,25) adapted to be coupled to the hip joint implant component (A,F) in a predetermined configuration. The center of rotation of the hip joint implant component (A,F) is calculable in the predetermined configuration as a function of the known geometry and of the position and orientation of the detectable member (12,22).Type: GrantFiled: June 22, 2011Date of Patent: May 28, 2013Assignee: Orthosoft Inc.Inventors: Louis-Philippe Amiot, Herbert André Jansen, Isabelle Fontaine, Daniel Odermatt
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Publication number: 20130073067Abstract: A computer-assisted surgery system for guiding alterations to a bone, comprises a trackable member secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data. A positioning block is secured to the bone, and is adjustable once the positioning block is secured to the bone to be used to guide tools in altering the bone. The positioning block has a second inertial sensor unit producing orientation-based data. A processing system providing an orientation reference associating the bone to the trackable member comprises a signal interpreter for determining an orientation of the trackable member and of the positioning block. A parameter calculator calculates alteration parameters related to an actual orientation of the positioning block with respect to the bone.Type: ApplicationFiled: August 17, 2012Publication date: March 21, 2013Inventors: Louis-Philippe Amiot, Yannick Boutin, Yonik Breton, Karine Duval, Herbert Andre Jansen, Benoît Pelletier, Catherine Proulx, Alain Richard, Myriam Valin, Joel Zuhars
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Patent number: 8265790Abstract: A computer-assisted surgery system for planning/guiding alterations to a bone in surgery, comprises a trackable member adapted to be secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the trackable member A positioning block is adapted to be secured to the bone, with at least an orientation of the positioning block being adjustable once the positioning block is secured to the bone to reach a selected orientation at which the positioning block is used to guide tools in altering the bone. The positioning block has a second inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the positioning block. A processing system providing an orientation reference associating the bone to the trackable member comprises a signal interpreter for determining an orientation of the trackable member and of the positioning block from the orientation-based data.Type: GrantFiled: March 25, 2009Date of Patent: September 11, 2012Assignee: Orthosoft, Inc.Inventors: Louis-Philippe Amiot, Yannick Boutin, Yonik Breton, Karine Duval, Herbert Andre Jansen, Benoît Pelletier, Catherine Proulx, Alain Richard, Myriam Valin, Joel Zuhars
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Publication number: 20110251835Abstract: A device (10,10?,20,20?) for digitizing a center of rotation of a hip joint implant component (A,F) with respect to a bone element in computer-assisted surgery. The device (10,10?,20,20?) comprises a detectable member (12,22) trackable for position and orientation by a computer-assisted surgery system (30). A body (11,21) is connected to the detectable member (12,22) in a known geometry. The body (11,21) has a coupling portion (14,14?,24,25) adapted to be coupled to the hip joint implant component (A,F) in a predetermined configuration. The center of rotation of the hip joint implant component (A,F) is calculable in the predetermined configuration as a function of the known geometry and of the position and orientation of the detectable member (12,22).Type: ApplicationFiled: June 22, 2011Publication date: October 13, 2011Inventors: Louis-Philippe Amiot, Herbert André Jansen, Isabelle Fontaine, Daniel Odermatt
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Patent number: 7877131Abstract: A computer-assisted surgery system for guiding an operator in altering a pelvis. A sensing apparatus is provided for tracking a reference tool and a bone altering tool. A position calculator calculates a position and orientation of a pelvic frame of reference as a function of the tracking of the reference tool, and for calculating a position and orientation of the bone altering tool with respect to the frame of reference. A source of posture data and a posture data correction calculator are provided and are operative to provide a display of information allowing an operator to take into consideration the posture data from the source of posture data when altering the pelvis. A display unit is connected to the position calculator and to the posture data correction calculator for displaying the display of information and the bone altering tool with respect to the pelvic frame of reference.Type: GrantFiled: October 6, 2003Date of Patent: January 25, 2011Assignee: Orthosoft Inc.Inventors: Herbert André Jansen, Isabelle Fontaine, Daniel Odermatt
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Patent number: 7668584Abstract: An interface apparatus (20) for tracking by a tracking system (40) of an object(s) in space for position and orientation and for interacting with the tracking system (40). The interface apparatus (30) comprises passive detectable devices (12,14,16,22) trackable for position by the tracking system (40). A mounting device (10,24) receives the passive detectable devices (12,14,16,22) in a known geometry, and is secured to the object(s) such that a position and orientation of the object(s) is calculable by the tracking system (40) as a function of a tracking of the known geometry of the passive detectable devices (12,14,16,22). One of the passive detectable devices (22) is displaceable with respect to the object(s). A displacement of the passive detectable device (22) with respect to the object(s) is detectable to initiate an interaction with the tracking system (40) while maintaining the tracking of the object(s).Type: GrantFiled: August 11, 2003Date of Patent: February 23, 2010Assignee: Orthosoft Inc.Inventor: Herbert André Jansen
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Publication number: 20090248044Abstract: A computer-assisted surgery system for planning/guiding alterations to a bone in surgery, comprises a trackable member adapted to be secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the trackable member A positioning block is adapted to be secured to the bone, with at least an orientation of the positioning block being adjustable once the positioning block is secured to the bone to reach a selected orientation at which the positioning block is used to guide tools in altering the bone. The positioning block has a second inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the positioning block. A processing system providing an orientation reference associating the bone to the trackable member comprises a signal interpreter for determining an orientation of the trackable member and of the positioning block from the orientation-based data.Type: ApplicationFiled: March 25, 2009Publication date: October 1, 2009Inventors: Louis-Philippe Amiot, Yannick Boutin, Yonik Breton, Karine Duval, Herbert Andre Jansen, Benoit Pelletier, Catherine Proulx, Alain Richard, Myriam Valin, Joel Zuhars
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Patent number: 7427272Abstract: There is described a method for determining a mechanical axis of a femur using a computer aided surgery system having an output device for displaying said mechanical axis, the method comprising: providing a position sensing system having a tracking device capable of registering instantaneous position readings and attaching the tracking device to the femur; locating a center of a femoral head of the femur by moving a proximal end of the femur to a first static position, acquiring a fixed reading of the first static position, repeating the moving and the acquiring for a plurality of static positions; and locating the centre by determining a central point of a pattern formed by the plurality of static positions; digitizing an entrance point of the mechanical axis at a substantially central position of the proximal end of the femur; and joining a line between the entrance point and the center of rotation to form the mechanical axis.Type: GrantFiled: July 15, 2003Date of Patent: September 23, 2008Assignee: Orthosoft Inc.Inventors: Alain Richard, Herbert André Jansen, Eric Brosseau
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Patent number: 7302355Abstract: A method of calibrating a circular portion of an object, such as to determine the center point of the object, is provided. The method includes determining spatial coordinates of at least two points on a circumferential edge of the circular portion of the object, and calculating the center point of the circular portion using the spatial coordinates of the two points and a geometric parameter representative of the diameter of the circular portion. A calibration device and system are also provided for use with a computer tracking system in order to calibrate such an object having a circular portion.Type: GrantFiled: May 17, 2006Date of Patent: November 27, 2007Assignee: Orthosoft Inc.Inventors: Herbert André Jansen, Pierre Couture
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Patent number: 6996487Abstract: A system for automatic calibration of instruments (S) having varying cross-sectional dimensions within a predetermined range and having detectable elements (110, 112, 113, 114) thereon for computer-aided surgery, comprising a calibration base (C) having detectable elements (43, 44, 46, 48) secured thereto for detecting a position and an orientation thereof in space by sensors (204) connected to a position calculator (202). The calibration base is adapted to receive and to releasably secure a working shaft (100) of any of the instruments (S) and provides an abutting surface (14) for a tip (102) thereof in such a way that a position and orientation of the tip (102) of the instrument (S) secured therein is calculable when working shaft cross-section dimensions thereof are known. The position calculator (202) receives instrument data (214) and calibration data (218) from an operator through a user interface (206) and stores the instrument data (214) and calibration data (218) for subsequent calibrations.Type: GrantFiled: March 15, 2001Date of Patent: February 7, 2006Assignee: Orthosoft Inc.Inventors: Sébastien Jutras, Éric Brosseau, Herbert André Jansen, Gabriel C{dot over (o)}té , Louis-Philippe Amiot
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Publication number: 20050021043Abstract: An apparatus for obtaining an axis of an intramedullary canal of an exposed bone with a position tracking system in computer-assisted surgery, comprising a detectable device trackable in space for position and orientation. A stem portion is secured to the detectable device so as to be tracked for position and orientation. The stem portion has a leading end insertable in an intramedullary canal of the bone through an opening in the bone, and is adapted to be handled by a following end thereof. A tip portion is provided at the leading end of the stem portion. The tip portion is positionable in a determined way with respect to a surface of the intramedullary canal, such that reference points with respect to the intramedullary canal are calculable as a function of the position and orientation of the detectable device. The reference points are related to define an axis of the intramedullary canal. A method is provided for digitizing the intramedullary canal axis.Type: ApplicationFiled: October 3, 2003Publication date: January 27, 2005Inventors: Herbert Andre Jansen, Louis-Philippe Amiot, Sebastien Cossette, Sebastien Jutras, Benoit Pelletier
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Publication number: 20040230199Abstract: A CAS system and method for guiding an operator in inserting a femoral implant in a femur as a function of a limb length and orientation of the femoral implant with respect to the femur, comprising a reference tool for the femur, a registration tool, a bone altering tool and a sensing apparatus.Type: ApplicationFiled: October 3, 2003Publication date: November 18, 2004Inventors: Herbert Andre Jansen, Louis-Philippe Amiot, Isabelle Fontaine, Sebastien Jutras, Daniel Odermatt, Benoit Pelletier
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Publication number: 20030040879Abstract: A system for automatic calibration of instruments (S) having varying cross-sectional dimensions within a predetermined range and having detectable elements (110, 112, 113, 114) thereon for computer-aided surgery, comprising a calibration base (C) having detectable elements (43, 44, 46, 48) secured thereto for detecting a position and an orientation thereof in space by sensors (204) connected to a position calculator (202). The calibration base is adapted to receive and to releasably secure a working shaft (100) of any of the instruments (S) and provides an abutting surface (14) for a tip (102) thereof in such a way that a position and orientation of the tip (102) of the instrument (S) secured therein is calculable when working shaft cross-section dimensions thereof are known. The position calculator (202) receives instrument data (214) and calibration data (218) from an operator through a user interface (206) and stores the instrument data (214) and calibration data (218) for subsequent calibrations.Type: ApplicationFiled: September 13, 2002Publication date: February 27, 2003Inventors: Sebastien Jutras, Eric Brosseau, Herbert Andre Jansen, Gabriel Cote, Louis-Philippe Amiot