Patents by Inventor Stephane Lavallee

Stephane Lavallee 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).

  • Patent number: 11278355
    Abstract: A modular fluoro-navigation instrument including a base made of a substantially radiotransparent material. The base is intended to be rigidly secured to a patient's bone and a tracker rigidly attachable to the base. The instrument has a registration phantom separate from the tracker which includes a plurality of radiopaque fiducials. The base and the registration phantom includes respective attachment members for reproducibly attaching the registration phantom to the base.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: March 22, 2022
    Assignee: ECENTIAL ROBOTICS
    Inventors: Laurence Van Beek, David Armand, Arnaud Pierre, Herve Collet, Elie Fournier, Stephane Lavallee
  • Patent number: 11253322
    Abstract: A fluoro-navigation system for navigating a tool relative to a medical image. The system includes a motorized X-ray imaging system for acquiring a plurality of images of a region of interest of a patient, the position of each image being known. Also included is a localization system, a registration phantom with a plurality of radiopaque fiducials, a tracker for being tracked by the localization system, a processor for receiving the plurality of images and for reconstructing a 3D medical image from the images using radiopaque fiducials visible in the plurality of images. Also included is base made of a substantially radiotransparent material, to be rigidly secured to a patient's bone and having a reproducible fixation system for attaching the registration phantom and/or tracker.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: February 22, 2022
    Assignee: ECENTIAL ROBOTICS
    Inventors: Laurence Van Beek, David Armand, Arnaud Pierre, Herve Collet, Elie Fournier, Stephane Lavallee
  • Publication number: 20220047329
    Abstract: The invention relates to a surgical system for cutting an anatomical structure (F, T) of a patient according to at least one target plane defined in a coordinate system of the anatomical structure, comprising: (i) a robotic device (100) comprising: —an end effector (2), —an actuation unit (4) having at least three motorized degrees of freedom, configured for adjusting a position and orientation of the end effector (2) relative to each target plane, —a passive planar mechanism (24) connecting the terminal part (40) of the actuation unit (4) to the end effector (2); (ii) a tracker (203) rigidly attached to the end effector (2), (iii) a tracking unit (200) configured to determine in real time the pose of the end effector (2) with respect to the coordinate system of the anatomical structure, a control unit (300) configured to determine the pose of the end effector with respect to the target plane and to control the actuation unit so as to bring the cutting plane into alignment with the target plane.
    Type: Application
    Filed: December 8, 2017
    Publication date: February 17, 2022
    Inventors: Stéphane Lavallee, Daniel Girardeau-Montaut, Hervé Collet, Anthony Leandri, Nicolas Demanget
  • Publication number: 20210361295
    Abstract: The invention relates to a surgical system for cutting an anatomical structure (F, T) of a patient according to at least one target plane defined in a coordinate system of the anatomical structure, comprising: i) a robotic device (100) comprising: —a cutting tool, —an actuation unit (4) comprising from three to five motorized degrees of freedom, said actuation unit comprising at least one portion having a parallel architecture comprising a base (40) and a platform (41) selectively orientable relative to the base (40) according to at least two of said motorized degrees of freedom, —a planar mechanism (24) connecting a terminal part of the actuation unit (4) to the cutting tool (2), ii) a passive articulated lockable holding arm (51) supporting the actuation unit, iii) a tracking unit (200) configured to determine in real time the pose of the cutting plane with respect to the coordinate system of the anatomical structure, iv) a control unit (300) configured to determine the pose of the cutting plane with respec
    Type: Application
    Filed: December 7, 2017
    Publication date: November 25, 2021
    Applicant: Orthotaxy
    Inventors: Stéphane Lavallee, Nicolas Demanget, Hervé Collet, Daniel Girardeau-Montaut, Laurence Chabanas
  • Publication number: 20210353311
    Abstract: The invention relates to a surgical system for cutting an anatomical structure (F, T) of a patient according to at least one target plane defined in a coordinate system of the anatomical structure, comprising: (i) a robotic device (100) comprising: —a cutting tool, —an actuation unit (4) having a serial architecture comprising from three to five motorized degrees of freedom, at least two of said motorized degrees of freedom being rotational degrees of freedom about respective rotation axes that are substantially orthogonal to each other, configured for adjusting a position and orientation of the cutting tool relative to each target plane, —a planar mechanism connecting the last segment of the actuation unit to the cutting tool; (ii) a passive articulated lockable holding arm (5) supporting the actuation unit (4); (iii) a tracking unit (200) configured to determine in real time the pose of the cutting plane with respect to the coordinate system of the anatomical structure, (iv) a control unit (300) configured
    Type: Application
    Filed: October 25, 2017
    Publication date: November 18, 2021
    Inventors: Stéphane Lavallee, Nicolas Demanget, Hervé Collet, Daniel Girardeau-Montaut, Laurence Chabanas, François Urvoy
  • Patent number: 11147649
    Abstract: The invention relates to a device for minimally invasive attachment of a tracker (20) and/or a registration phantom (30) to a patient's bone, comprising a base (10) made of a substantially radiotransparent material, characterized in that the base (10) comprises: a support surface (11) intended to face the bone, a plurality of non-parallel through holes (14) for passing a respective percutaneous pin (2) through the base (10); at least one slot (15) extending from an edge of the base (10) in a direction transversal to the through holes (14), said slot (15) passing throughout the base (10) until the support surface (11) and being intended to engage a percutaneous pin (2) implanted into the patient's bone so as to allow the base (10) to slide along said pin (2); and a reproducible fixation system for attaching the tracker (20) and/or the registration phantom (30) to the base.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: October 19, 2021
    Assignee: ECENTIAL ROBOTICS
    Inventors: Laurence Van Beek, David Armand, Arnaud Pierre, Herve Collet, Elie Fournier, Stephane Lavallee
  • Publication number: 20210205033
    Abstract: The disclosure relates to a robotic system for removing bony material from an anatomical structure of a patient, comprising:—a base (4), —an end effector (2) configured to hold a surgical tool (1), —an actuation unit (3) configured to translate the end effector relative to the base at least along one feed axis (A), —a control unit coupled to the actuation unit (3) and configured to turn off the tool (1) and command the actuation unit (3) to translate the end effector (2) along the feed axis (A) while the tool is turned off, the control unit comprising a feedback unit configured to measure a force exerted by the surgical tool (1) onto the anatomical structure during said translation of the end effector (2) and, based on the measured force, detect a contact of the tool with bony material of the anatomical structure.
    Type: Application
    Filed: May 28, 2019
    Publication date: July 8, 2021
    Inventors: Stéphane Lavallee, Daniel Girardeau-Montaut, Francois Urvoy, Nicolas Demanget
  • Publication number: 20210113270
    Abstract: The disclosure relates to a method for guiding position and orientation of a robotic device holding a surgical tool configured for working a planned region of an anatomical structure, the robotic device comprising a base and an actuation unit coupled to the base and configured to move the surgical tool relative to the base, the method comprising: providing a user interface displaying a virtual representation (1) of the anatomical structure and a virtual representation (2) of a target region on the anatomical structure; detecting a presence of a distal tip (3) of the tool in the target region; changing a visual aspect of the virtual representation (2) of the target region when the tool tip (3) is detected in said target region; based on the position of the target region, computing a virtual goal (4) defining a spatial range of position and orientation of the robotic device in which the tool is capable of working at least a determined part of the planned region of the anatomical structure; displaying the vir
    Type: Application
    Filed: October 14, 2020
    Publication date: April 22, 2021
    Inventors: Stéphane Lavallee, Daniel Girardeau-Montaut, Claire Baegert, Nicolas Demanget
  • Patent number: 10973529
    Abstract: A patient-specific surgical guide including at least one guiding element for guiding a surgical instrument to treat a subcutaneous anatomical structure of the patient. A first patient-specific contact element with a first patient-specific contact surface to fit a portion of the subcutaneous anatomical structure is rigidly connected to the at least one guiding element. The patient-specific surgical guide includes at least one second patient-specific contact element having at least one support element for supporting a percutaneous pin or needle whose tip is intended to contact a point of the subcutaneous anatomical structure or an anatomical structure rigidly connected thereto. An elongated junction member rigidly couples the at least one guiding element to the at least one second contact element.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: April 13, 2021
    Assignee: MINMAXMEDICAL
    Inventors: Stephane Lavallee, Nicolas Demanget, Jean-Michel Poirier
  • Patent number: 10869639
    Abstract: The invention relates to a method for determining a trajectory of a motorized X-ray imaging system for acquiring images of a patient to whom a phantom comprising radiopaque fiducials having a known spatial arrangement has been attached so as to be visible on at least one 2D image of a body region of interest acquired by the X-ray imaging system by acquiring one first 2D image of the phantom by the X-ray imaging system in a given position; detecting the fiducials of the phantom in the acquired first image; based on the detected fiducials, determining the position of the phantom in a referential of the X-ray imaging system; determining a set of positions of the X-ray imaging system configured to acquire a set of 2D X-ray images of the region of interest such that the set of 2D X-ray images complies with at least one imposed requirement on the position of the phantom relative to a part of the set of images and combining the set of determined positions to determine a trajectory of the X-ray imaging system with re
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: December 22, 2020
    Assignee: SURGIVISIO
    Inventors: David Armand, Arnaud Pierre, Laurence Van Beek, Stephane Lavallee
  • Patent number: 10849694
    Abstract: The invention relates to a method for displaying the position and orientation of a linear instrument (1) navigated with respect to a 3D medical image (V), wherein: said linear instrument (1) is coupled to a guide (2); the guide (2) is tracked by a navigation system with respect to the 3D image (V); a plane (4) containing the axis of the linear instrument (1) is virtually attached to the guide (2); a slice reformatted in the 3D image and containing said plane (4) is displayed. Another object of the invention is a system for carrying out said method.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: December 1, 2020
    Assignee: IMACTIS
    Inventors: Stephane Lavallee, Lionel Carrat
  • Patent number: 10830917
    Abstract: A method for detecting an anomaly, associated with a magnetic locating device including a first magnetic element and a second magnetic element that are associated with a first object and with a second object, respectively. The first object includes a first movement sensor configured to determine a first datum dependent on inclination of the first object in a basic reference frame, or the terrestrial reference frame. The method includes: determining the first datum from the first movement sensor; determining a second datum dependent on inclination of the second object in the basic reference frame; determining at least one orientation parameter with the magnetic locating device using the first and second magnetic elements; using the at least one orientation parameter and the first and second data to generate an indicator of presence of the anomaly.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: November 10, 2020
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, MINMAXMEDICAL
    Inventors: Saifeddine Aloui, Francois Bertrand, Mickael Chave, Stephane Lavallee
  • Patent number: 10806465
    Abstract: A device for positioning a cutting guide with respect to a bone comprising a body forming the cutting guide or intended to be fixed to the cutting guide; a least two contact members intended to freely contact the bone; and adjustment means for individually varying the relative position of the body with respect to each contact member.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: October 20, 2020
    Assignee: OMNIlife science, Inc.
    Inventors: Christopher Plaskos, Stephane Lavallee, Fabrice Bertrand, Anthony Boyer
  • Publication number: 20200289824
    Abstract: The invention relates to a telemetry communication system for an implantable medical device (1) comprising a radiofrequency transceiver, comprising: a remote controller (2) adapted to be used by a patient into whom said medical device (1) is implanted, said remote controller comprising a radiofrequency transceiver configured to communicate with said implantable medical device in a first frequency band (RF1), the transceiver of the remote controller (2) being paired with the transceiver of the implantable medical device (1), a programming device (3) said implantable medical device adapted to be used by a practitioner, comprising a user interface (30), and configured to communicate with the remote controller (2) through a wire connection or a wireless connection in a second frequency band (RF2) different from the first frequency band, the programming device (3) being configured to, when said connection is established between the remote controller (2) and the programming device (3), establish a communication
    Type: Application
    Filed: September 21, 2018
    Publication date: September 17, 2020
    Inventors: Hamid LAMRAOUI, Marc MARIEN, Stephane LAVALLEE
  • Patent number: 10682148
    Abstract: The invention concerns a system for partially cutting a bone, comprising a device for guiding a cutting tool. According to the invention, the device comprises: —an upper face forming a mechanical stop for a first part of the cutting tool, the upper face being non-cutting and thicker than the blade, so as to limit the insertion of the blade into said bone in order to partially cut said bone, the upper stop face having a profile that is a homothety of the edge profile of said hinge, the guide device having a pre-defined range to ensure the steering of the blade of the cutting tool in a pre-defined direction of partial cutting of the bone, —a second part that fastens to the bone and a first fastening means for fastening the guide device to the second part and —a means for adjusting the orientation of the guide device relative to the second part.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: June 16, 2020
    Assignee: OSTESYS
    Inventors: Pierre-Yves Huet, Guillaume Dardenne, Stephane Lavallee, Eric Stindel, Christian Lefevre
  • Patent number: 10638989
    Abstract: The invention relates to a method for controlling movement of a motorized C-arm, comprising: receiving position information of a user (U) relative to the C-arm (1), continuously receiving current position information of the C-arm (1) relative to a reference position of the C-arm, from said current position information and from the position information of the user, computing a graphical representation of the current position of the C-arm according to the user's point of view, from the computed graphical representation of the current position of the C-arm, computing a graphical representation of at least one command button suited to the current position information of the C-arm and to the user's point of view to move the C-arm in a determined direction according to a respective degree of freedom, displaying on a control panel a graphical user interface (7) comprising said computed representation (70) of the current position of the C-arm and said at least one command button (710).
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: May 5, 2020
    Assignee: SURGIVISIO
    Inventors: Laurence Van Beek, David Armand, Arnaud Pierre, Stephane Lavallee, Markus Fleute
  • Publication number: 20200093500
    Abstract: The invention relates to a surgical system comprising: (i) a handheld device (100) comprising: a base (1), an end-effector (2) for mounting a surgical tool or tool guide, an actuation unit (4) connected to said base (1) and end-effector (2), a support unit (5) designed to make contact with the treated part to be treated or an adjacent region to provide a partial mechanical link between the base (1) or end-effector (2), and the part to be treated, (ii) a tracking unit (200), (iii) a control unit (300) configured to: (a) compute in real time an optimized path of the end-effector, (b) detect whether said computed path of the tool or end-effector can be achieved without changing the pose of the base, and, if not, determine a possible repositioning of the base with respect to the part to be treated, (c) configure the actuation unit so as to move the end-effector according to said computed path, and (d) iterate steps (a) to (c) until the planned volume has been treated, (iv) a user interface (400).
    Type: Application
    Filed: September 24, 2019
    Publication date: March 26, 2020
    Inventors: Stéphane Lavallee, Matias De La Fuente Klein, Klaus Radermacher, Annegret Niesche, Meiko Muller, Gregory Dez, Herve Collet
  • Publication number: 20200008884
    Abstract: The invention relates to a system for guiding a surgical tool (200) held by a user relative to at least one target axis (T) defined in a coordinate system of a patient's spine, comprising: (i) a robotic device (300) comprising: —a base (301), —a guiding device (303) configured for constraining the tool to a guiding axis (G), —a compact motorized actuation unit (304) movable relative to the base (301), coupled to the guiding device (303) for adjusting a position and orientation of said guiding device relative to the target axis, —a support unit (305) connected to the base (301), comprising at least one element designed to make contact with the spine or a region of the patient's body adjacent to the spine so as to provide a partial mechanical link between the guiding device and the spine, (ii) a passive articulated lockable holding arm (400) supporting the base (301) of the robotic device, (iii) a tracking unit (500) configured to determine in real time the pose of the guiding axis with respect to the coordinat
    Type: Application
    Filed: March 15, 2018
    Publication date: January 9, 2020
    Applicants: DePuy Ireland Unlimited Company, DePuy Ireland Unlimited Company
    Inventors: Stéphane Lavallee, Daniel Girardeau-Montaut, Nicolas Demanget
  • Patent number: 10441437
    Abstract: The present application provides an apparatus and method for determining a position of a joint prosthesis using a computer assisted orthopedic surgery system in support of an arthroplasty surgery. The apparatus and method includes attaching a first locatable element to a first bone on one side of a joint, providing a sensor having a second locatable element and moving the sensor in proximity of the joint to locate a plurality of positions of the sensor relative to the first locatable element using a tracking devise. The apparatus and method further includes selecting a generic model of a joint, determining the generic model in response to the plurality of positions located using the tracking device to generate a deformed model, determining a position for a joint prosthesis on the deformed model, and outputting on a display the determined position upon the deformed model.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: October 15, 2019
    Assignee: OMNIlife science, Inc.
    Inventor: Stephane Lavallee
  • Patent number: 10441294
    Abstract: The invention relates to a surgical system comprising: (i) a handheld device (100) comprising: a base (1), an end-effector (2) for mounting a surgical tool or tool guide, an actuation unit (4) connected to said base (1) and end-effector (2), a support unit (5) designed to make contact with the treated part to be treated or an adjacent region to provide a partial mechanical link between the base (1) or end-effector (2), and the part to be treated, (ii) a tracking unit (200), (iii) a control unit (300) configured to: (a) compute in real time an optimized path of the end-effector, (b) detect whether said computed path of the tool or end-effector can be achieved without changing the pose of the base, and, if not, determine a possible repositioning of the base with respect to the part to be treated, (c) configure the actuation unit so as to move the end-effector according to said computed path, and (d) iterate steps (a) to (c) until the planned volume has been treated, (iv) a user interface (400).
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: October 15, 2019
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Stephane Lavallee, Matias De La Fuente Klein, Klaus Radermacher, Annegret Niesche, Meiko Muller, Gregory Dez, Herve Collet