Patents by Inventor Louis-Philippe Amiot
Louis-Philippe Amiot 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).
-
Publication number: 20170360512Abstract: Systems and methods may be used to perform robot-aided surgery. A system may include a robotic controller to monitor a position and orientation of an end effector coupled to an end of a robotic arm. The robotic controller may apply a force to a bone using the end effector, such as via a soft tissue balancing component. The robotic controller may determine soft tissue balance using information from a tracking system, such as a position of a first tracker affixed to the bone. The soft tissue balance may be output, such as to a display device.Type: ApplicationFiled: June 15, 2017Publication date: December 21, 2017Inventors: Pierre Couture, Alain Richard, Olivier Boisvert, Emily Gogarty, Louis-Philippe Amiot, Sebastien Parratte, Di Li
-
Publication number: 20170360513Abstract: Systems and methods are described herein for resurfacing bones, and in particular, for detecting and resurfacing one or more femoroacetabular impingements (FAIs). A FAI resurfacing controller may be used to perform this detecting and resurfacing of FAIs. The FAI resurfacing controller may include a bone model generator to receive bone imaging and to generate a model of at least one osteophyte and of a surface of a native bone surrounding the at least one osteophyte. The FAI resurfacing controller may include an osteophyte identifier to set a virtual 3D boundary surface between native bone surface and the at least one osteophyte. The FAI resurfacing controller may include a resurfacing navigator to generate and output a navigation file. The navigation file may include the model with the 3D boundary surface between native bone surface and the at least one osteophyte.Type: ApplicationFiled: June 16, 2017Publication date: December 21, 2017Inventors: Louis-Philippe Amiot, Seth Anderson Nash, John White
-
Patent number: 9826919Abstract: There is described a method and a system for generating a non-imaged plane view of an anatomical part for assisting a surgery. A model of the anatomical part is provided, comprising features and dimension parameters. A first plane view of the anatomical part is obtained. Features are identified in the first plane view. The dimension parameters are measured from the features identified. The model is displayed in the non-imaged plane view such that the model is dimensioned with the measured dimension parameters. A position and orientation of a surgical object is then tracked relative to the anatomical part while a user navigates the surgical object in space and a representation of the surgical object to be overlaid in register on at least one the first plane view and/or the non-imaged view is generated.Type: GrantFiled: September 30, 2008Date of Patent: November 28, 2017Assignee: ORTHOSOFT, INC.Inventors: Louis-Philippe Amiot, François Poulin, Mélanie Chassé
-
Publication number: 20170132389Abstract: An assembly of a patient specific instrument and tracking system comprises a patient specific instrument having a body with a patient specific contact surface negatively shaped relative to a corresponding surface of a bone for complementary contact therewith. An inertial sensor unit with a preset orientation is connected to the body in a planned connection configuration, such that a geometrical relation between the contact surface and the inertial sensor unit is known. A tracking system has a tracking processor connected to the inertial sensor unit, a user interface, and bone orientation data related to the patient specific contact surface, the tracking processor producing orientation tracking data for the bone using the geometrical relation and the bone orientation data when the preset orientation of the inertial sensor unit is initialized, to output the orientation tracking data on the user interface.Type: ApplicationFiled: January 23, 2017Publication date: May 11, 2017Inventors: Jeffrey A. MCCAULLEY, Louis-Philippe AMIOT
-
Publication number: 20170119477Abstract: There is described a system and a method for assisting a user manipulating an object during a surgery, the method comprising: tracking the object in a sterile field in which surgery is being performed at a location using a tracking device which generates tracking data; processing the tracking data using a processing device located outside the sterile field to generate position and orientation information related to the object; and sending the position and orientation information related to the object to a displaying device positioned in the sterile field adjacent to the location at which the surgery is being performed, for display to the user.Type: ApplicationFiled: November 24, 2016Publication date: May 4, 2017Inventors: LOUIS-PHILIPPE AMIOT, ERIC SZMUTNY, MICHEL BOIVIN, YANNICK BROSSEAU
-
Publication number: 20170112508Abstract: A hip resurfacing CAS system for guiding an operator in altering a femoral head in computer-assisted surgery for subsequent implanting of a femoral head implant, comprises a trackable reference on the femur. A registration tool is trackable. A bone-altering tool is associated with a resurfacing of the femoral head. A tracking apparatus tracks the tools. A resurfacing processing unit is connected to the tracking apparatus so as to receive tracking data for the tools. The resurfacing processing unit has a position/orientation calculator to calculate from the tracking data a position and orientation of the trackable reference to track the femoral frame of reference, and of the registration tool and the bone-altering tool. A model generator receives position and orientation data of the registration tool to produce a model of the femoral head and neck with respect to the femoral frame of reference.Type: ApplicationFiled: November 8, 2016Publication date: April 27, 2017Inventors: Francois PARADIS, Louis-Philippe AMIOT, Bruno FALARDEAU, Herbert Andre JANSEN
-
Patent number: 9597156Abstract: A system tracks an object in computer-assisted surgery. The system comprises a sensor unit secured to the femur. Gyroscopes on the sensor unit produce readings related to orientation data about three axes of rotation. A tracking unit receives the gyroscope readings. An axis calibrator on the tracking unit comprises a calculator for adding at least part of the gyroscope readings for specific movements of the object about a desired axis. An axis normalizer on the tracking unit determines an orientation of the desired axis with respect to the sensor unit from the added gyroscope readings. A tracking processor tracks the desired axis from the gyroscope readings. An interface displays orientation data for the object from a tracking of the desired axis. A method for tracking an object with a gyroscope sensor unit is also provided.Type: GrantFiled: July 30, 2010Date of Patent: March 21, 2017Assignee: ORTHOSOFT INC.Inventors: Louis-Philippe Amiot, Joel Zuhars, Catherine Proulx, Mynam Valin, Tin Nguyen, Benoit Pelletier, Karine Duval, Alain Richard, Rula Kiblawi, Yannick Boutin
-
Patent number: 9585597Abstract: An assembly of a patient specific instrument and tracking system comprises a patient specific instrument having a body with a patient specific contact surface negatively shaped relative to a corresponding surface of a bone for complementary contact therewith. An inertial sensor unit with a preset orientation is connected to the body in a planned connection configuration, such that a geometrical relation between the contact surface and the inertial sensor unit is known. A tracking system has a tracking processor connected to the inertial sensor unit, a user interface, and bone orientation data related to the patient specific contact surface, the tracking processor producing orientation tracking data for the bone using the geometrical relation and the bone orientation data when the preset orientation of the inertial sensor unit is initialized, to output the orientation tracking data on the user interface.Type: GrantFiled: July 24, 2013Date of Patent: March 7, 2017Assignee: ZIMMER, INC.Inventors: Jeffrey A. McCaulley, Louis-Philippe Amiot
-
Publication number: 20170027590Abstract: 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: October 13, 2016Publication date: February 2, 2017Inventors: LOUIS-PHILIPPE AMIOT, ALAIN RICHARD, YANNICK BOUTIN, JOEL ZUHARS, YONIK BRETON, KARINE DUVAL, HERBERT ANDRE JANSEN, BENOIT PELLETIER, CATHERINE PROULX, MYRIAM VALIN
-
Patent number: 9554863Abstract: A system for calculating a position and orientation of an acetabular cup in computer-assisted surgery comprises a first trackable reference secured to a pelvis, with a frame of reference being associated with the first trackable reference. A device is positionable between a femoral neck and the acetabulum of the pelvis in a known relation, the device having a second trackable reference. Sensors track the trackable references for position and orientation. A position/orientation calculator calculates a position and orientation of the frame of reference and of the device and for determining an orientation of the neck axis with respect to the frame of reference from the known relation at a desired position of the femur. An implant position/orientation calculator provides cup implanting information with respect to the orientation of said neck axis as a function of the tracking for position and orientation of at least the first trackable reference.Type: GrantFiled: June 12, 2014Date of Patent: January 31, 2017Assignee: ORTHOSOFT INC.Inventors: Francois Paradis, Louis-Philippe Amiot, Daniel Odermatt
-
Publication number: 20170007329Abstract: A system for measuring a length variation between body portions in computer-assisted surgery between a preoperative condition and intra- or post-operative condition comprises a a rangefinder configured to measure its distance to at least one reference landmark on at least a first body portion of a patient from a known position relative to a second body portion. A support includes joint(s) allowing one or more rotational degree of freedom of movement of the rangefinder to point to the at least one reference landmark. An inertial sensor unit is connected to the rangefinder to produce orientation data for the rangefinder.Type: ApplicationFiled: July 6, 2016Publication date: January 12, 2017Inventors: DI LI, LOUIS-PHILIPPE AMIOT, FRANCOIS PARADIS, BENOIT PELLETIER, LAURENCE MOREAU-BELANGER, KARINE DUVAL
-
Publication number: 20170007269Abstract: A method for determining a mechanical axis of a tibia using a tibial digitizer is disclosed. The method includes: determining an upper reference point on a tibial plateau corresponding to an entry point of the mechanical axis; fastening an upper mounting end of the tibial digitizer to the tibial plateau at the upper reference point; and fastening a lower mounting end of the tibial digitizer to medial and lateral malleoli of the ankle, by inwardly displacing opposed caliper arms of a self-centering malleoli engaging mechanism toward each other in a common plane until the caliper arms abut the malleoli. A lower reference point located at a midpoint between the medial and lateral malleoli is then determined by identifying a corresponding midpoint between the caliper arms when they are clamped onto the medial and lateral malleoli.Type: ApplicationFiled: July 28, 2016Publication date: January 12, 2017Inventors: Benoit PELLETIER, Karine DUVAL, Trong Tin NGUYEN, Pierre COUTURE, Louis-Philippe AMIOT, Yannick BOUTIN, Alain RICHARD, Catherine PROULX
-
Patent number: 9532848Abstract: There is described a system and a method for assisting a user manipulating an object during a surgery, the method comprising: tracking the object in a sterile field in which surgery is being performed at a location using a tracking device which generates tracking data; processing the tracking data using a processing device located outside the sterile field to generate position and orientation information related to the object; and sending the position and orientation information related to the object to a displaying device positioned in the sterile field adjacent to the location at which the surgery is being performed, for display to the user.Type: GrantFiled: June 16, 2008Date of Patent: January 3, 2017Assignee: OTHOSOFT, INC.Inventors: Louis-Philippe Amiot, Éric Szmutny, Michel Boivin, Yannick Brosseau
-
Patent number: 9495509Abstract: 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: January 16, 2014Date of Patent: November 15, 2016Assignee: 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
-
Patent number: 9433473Abstract: A tool for digitizing a mechanical axis of a tibia using a computer-assisted surgery system is described. The tool includes upper and lower mounting ends interconnected by an alignment rod extending therebetween. The upper mounting end is releasably fastenable to an upper reference point on a tibial plateau and the lower mounting end includes a self-centering malleoli engaging mechanism having opposed caliper arms displaceable in a common plane relative to each other for clamping engagement with the medial and lateral malleoli of the ankle. At least one trackable member is mounted to the alignment rod of the tool and is in communication with the computer assisted surgery system for providing at least orientation information of the alignment rod. The mechanical axis of the tibia is parallel to the alignment rod and extends between the upper and lower reference points when the tool is mounted on the tibia.Type: GrantFiled: September 3, 2013Date of Patent: September 6, 2016Assignee: ORTHOSOFT INC.Inventors: Benoit Pelletier, Karine Duval, Trong Tin Nguyen, Pierre Couture, Louis-Philippe Amiot, Yannick Boutin, Alain Richard, Catherine Proulx
-
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
-
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
-
Patent number: 9144470Abstract: A tracking system is provided for tracking an objects. A first and a second trackable member each have an inertial sensor unit producing at least orientation-based data. A processing unit receives the orientation-based data from the trackable members. The processing unit has an orientation calculator calculating an orientation of the second trackable member with respect to the first trackable member from the orientation-based data of both said trackable members, whereby the processing unit calculates an orientation of the objects. A method is also provided.Type: GrantFiled: March 25, 2009Date of Patent: September 29, 2015Assignee: ORTHOSOFT INC.Inventors: Catherine Proulx, Louis-Philippe Amiot, Yannick Boutin, Yonik Breton, Karine Duval, Benoît Pelletier, Alain Richard, Myriam Valin
-
Patent number: 8965483Abstract: A computer assisted surgery system for conducting orthopedic surgery on a knee joint includes a condyle digitizer having a posterior condyle abutment surface defining a first plane and a distal condyle abutment surface defining a second plane perpendicular to the first plane, and a trackable member which is locatable and trackable in three dimensional space by the computer assisted surgery system to define at least orientation of the condyle digitizer in real time. A computer determines a most remote reference point of the femur of the knee joint lying within at least one of the first and second planes when the condyle digitizer is abutted against condyles of the femur such that the posterior condyle abutment surface abuts a posterior side of the condyles and the distal condyle abutment surface abuts a distal side of the condyles.Type: GrantFiled: September 16, 2011Date of Patent: February 24, 2015Inventors: Pierre Couture, Alain Richard, Louis-Philippe Amiot
-
Publication number: 20140364858Abstract: A method for assisting in positioning the acetabular cup comprises orienting a cup positioning instrument with a cup thereon in an initial reference orientation relative to an acetabulum of a pelvis with the cup forming a joint with the acetabulum, the cup positioning instrument comprising an inertial sensor unit with pre-planned orientation data for a desired cup orientation based on at least one landmark of the pelvis, The cup positioning instrument is rotated to a desired abduction angle as guided by an interface of the cup positioning instrument, based on movements relative to at least one landmark. The cup positioning instrument is rotated to a desired anteversion angle as guided by the interface of the cup positioning instrument, based on movements relative to the at least one landmark. Upon reaching the desired cup orientation as indicated by the interface, the cup is impacted into the acetabulum.Type: ApplicationFiled: June 11, 2014Publication date: December 11, 2014Inventors: Di Li, Louis-Philippe Amiot, Herbert Jansen, Francois Paradis, Isabelle Robitaille, Bruno Falardeau, Karine Duval, Myriam Valin, Yvan Leone, Yonik Breton, Benoit Pelletier, Jerome Casaubon, Mathieu Chevrier