Patents Assigned to LDR Medical
  • Patent number: 10492919
    Abstract: An intervertebral disc prosthesis is disclosed comprising at least two plates, namely first and second plates, articulated about each other by means of a curved surface, namely articulation, of at least one of the plates, each of the plates comprising a surface known as a contact surface, intended to be in contact with a vertebral plate of one of the vertebrae between which the prosthesis is intended to be inserted, this contact surface for each of the plates comprising a geometrical centre at equal distance from at least two diametrically opposite points located on the periphery of the plate, in which the geometric centres of the plates are not vertically aligned, this off-setting of the geometrical centres of the plates engendering an off-setting of the edges of the plates in at least one direction perpendicular to the vertical axis of the spinal column.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: December 3, 2019
    Assignee: LDR Medical
    Inventors: Ralph Rashbaum, Kee D. Kim, Hyun Bae
  • Patent number: 10485591
    Abstract: An anchoring system for the implantation of at least one anchoring device in at least one preferably bone tissue, the system is disclosed, with some embodiments comprising: at least one anchoring device comprising a curved body extending between an anterior end intended to penetrate without any deformation in the bone tissue and a posterior end intended to remain turned outward of the bone tissue, at least one guide extending along a longitudinal axis between a posterior end and an anterior end and comprising at least one guiding surface, substantially along the longitudinal axis, able to guide at least one anchoring device.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: November 26, 2019
    Assignee: LDR Medical, S.A.S.
    Inventors: Samuel Lequette, Emmanuel Bougere, Nicolas Bidegaimberry, Aymeric Fresneau
  • Patent number: 10478310
    Abstract: This disclosure provides various vertebral implants, devices for attaching a vertebral implant and implantation instrumentations. In some embodiments, the implant includes a first body and a second body, each having a face with shapes and dimensions mating that of the other body and forming mutual fitting means, thus allowing assembly of the bodies by sliding along a sliding axis. In some embodiments, a locking means is retained in one of the bodies and an abutment portion may move from an open position allowing sliding for the assembling of the bodies to a closed position locking the bodies in assembly by the contact between the abutment portion, by contact with an abutment of the other body, the abutment being oriented angularly to the sliding axis and the abutment portion passing from the open position to the closed position elastically by flexure or torsion.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: November 19, 2019
    Assignee: LDR Medical, S.A.S.
    Inventors: Marc Ameil, Daniel D. Lee, Paul Henry Cho
  • Patent number: 10478234
    Abstract: The present invention relates to an interspinous implant, intended to be implanted between two adjacent dorsal spines, each including an upper edge, a lower edge and two opposed lateral faces, wherein the implant includes at least one body with dimensions arranged so as to maintain or restore a distance between the adjacent edges of the two spinous processes and including at least two wings extending so that at least a part of each wing lies along at least a part of one lateral face of one of the two spinous processes and, additionally, at least one retainer for the implant, designed to retain the body of the implant between the two spinous processes and to be inserted from the same lateral face as the body.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: November 19, 2019
    Assignee: LDR Medical
    Inventors: Herve Dinville, Samuel Lequette, Alexandre Jodaitis, Richard Wohns, Philippe Tisserand, Laurent Zabee
  • Patent number: 10456268
    Abstract: The present invention relates to a spinal arthrodesis system including at least two types of implants from among the three following types: an intersomatic implant (IS), including at least one passage (40) mating at least one anchoring device (1); an interspinous implant (IE), including at least two wings able to run along a portion of the vertebral spines (EI, ES); a facet implant (IF) including a bone attachment.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: October 29, 2019
    Assignee: LDR Medical, S.A.S.
    Inventors: Alexis Mercier, Samuel Lequette
  • Patent number: 10398574
    Abstract: In various embodiments, an intervertebral disc prosthesis is provided. The prosthesis may be provided with an insertion adapter, such as a head, holder, or other carrier of the prosthesis. The insertion adapter may be configured to retain the prosthesis and to engage an insertion tool body. In various embodiments, the prosthesis and the insertion holder are provided in a sterile pack, with the prosthesis components and the insertion holder sterilized and packaged in one or more types or layers of sterile packaging. In various other embodiments, the prosthesis and an insertion tool are provided in a sterile pack, with the prosthesis components and the insertion tool sterilized and packaged in one or more types or layers of sterile packaging.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: September 3, 2019
    Assignee: LDR Medical
    Inventors: Alexandre Jodaitis, Herve Dinville, Alexis Mercier
  • Patent number: 10369009
    Abstract: The present invention relates to a vertebral system comprising a vertebral implant (2) and a plurality of inserts, said implant being designed to be implanted in a vertebral segment composed of at least two vertebrae and including a body (20) the walls whereof delimit a cavity (23) leading to the outside of the body (20) through at least one opening in at least one of said walls, at least one passage (21) passing through the implant (2) from the periphery to an upper or lower surface to receive a bone-anchoring device (1) capable of anchoring the implant (2) in at least one of said vertebrae, the system being characterized in that it includes at least two inserts selected from among the following inserts: at least one graft insert (3, 3A, 3B, 4, 5A, 5B, 6A, 6B, 6C, 6D, 202, 250) capable of being colonized by bone tissue and/or receiving at least one bone tissue graft and/or at least one substitute; and/or at least one bone-anchoring insert (210) comprising said passage (21) capable of receiving said bone-a
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: August 6, 2019
    Assignee: LDR Medical, S.A.S.
    Inventors: Florian Joly, Edouard Jouan, Alexis Mercier, Thierry Millard
  • Patent number: 10350088
    Abstract: Embodiments of instrumentation and methods are provided for the insertion of intervertebral disc prosthesis. The instrumentation of the embodiments comprises a guide comprising at least two lateral faces, at least one upper plate, at least one lower plate, at least one retainer, a cage defining an insertion axis for the prosthesis, and an angle adjuster adapted to adjust an angle formed by the insertion axis and an antero-posterior sagittal axis; and at least one separator sized to maintain a gap between the upper vertebra and the lower vertebra. Methods for implanting a prosthesis using the disclosed instrumentation comprise implanting a pin in the median sagittal axis of a vertebrae; measuring the dimensions of the intervertebral space; choosing the prosthesis; choosing the guide; adjusting the angle adjuster; positioning the guide adjacent to the intervertebral space; inserting the prosthesis into the guide; and inserting the prosthesis into the intervertebral space.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: July 16, 2019
    Assignee: LDR Medical
    Inventor: Hervé Dinville
  • Patent number: 10350083
    Abstract: Various embodiments of intervertebral implants, anchoring devices for intervertebral implants, and implantation instrumentation are provided, along with various embodiments of methods for using one or more of the devices. Some embodiments of an anchoring device have a body comprising at least one curve and a rigid plate elongated along a longitudinal axis so that its front end enters at least one vertebra while its rear end remains in the passage of an implant. In some embodiments, the plate comprises at least one longitudinal slot separating at least one posterior portion of the plate into two branches, with at least one branch comprising at least one withdrawal stop configured to retain the device in the implant.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: July 16, 2019
    Assignee: LDR Medical
    Inventors: Hervé Chataigner, Craig Chebuhar, Hervé Dinville, Emmanuel Bougere
  • Patent number: 10314620
    Abstract: A vertebral support device (1) is disclosed, which in various embodiments comprises at least two osseous anchoring implants (2), each designed to be anchored to a vertebra, and at least one linking element (3) fixed to the osseous anchoring implants (2) by fasteners (20) that maintain a fixed angle between the longitudinal axis (L) of the linking element (3) passing through rigid elements (34) of the linking element (3) and the insertion axis (DV) of the implants (2). The linking element (3) includes at least one elastic dampening element (31) that that allows the implant-bearing vertebrae some freedom of movement. The dampening element (31) accommodates the stresses imposed on the linking element (3) during movement of the vertebrae and tends to return the support device (1) to its normal configuration.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: June 11, 2019
    Assignee: LDR Medical
    Inventors: Paul Cho, Reginald Davis, Gregory Hoffman, Alan McGee, John Williams, Arnold M. Schwartz, William D. Bradley, Alexandre Jodaitis, Herve Chataigner, Hugo Santos Benitez, Chen Zhongqiang
  • Patent number: 10258479
    Abstract: Various devices, methods, and systems to implant and secure a fusion cage or intervertebral prosthesis during treatment of spinal injury or disease are provided. In various embodiments, such devices may comprise an instrument assembly having a body comprising a head, a shaft, and a handle; an insertion stop; and an intervertebral device retainer. Various embodiments also may comprise an impactor assembly comprising a housing; a bit comprising a head, a shaft, and a coupler; a transmission comprising a housing, a cam, a cam follower, a collet, and a driveshaft; and the motor. In various embodiments, the impactor assembly may be deployed with adjustments for the frequency, displacement, and force of impulses delivered to an anchor for the intervertebral device.
    Type: Grant
    Filed: August 15, 2015
    Date of Patent: April 16, 2019
    Assignee: LDR Medical
    Inventors: Will Stewart, Guillaume Quetier, James Burrows
  • Patent number: 10245156
    Abstract: The present invention relates to various embodiments of anchoring devices for intervertebral implants, intervertebral implant and implantation of instrumentation, sharing the characteristic to cooperate with the anchoring device (1) comprising a body comprising at least one curve, rigid plate (10) elongated along a longitudinal axis (L) so that its front end enters at least one vertebra while its rear end remains in the passage (21) of the implant (2) by pressing said implant (2) against said vertebra with at least one retaining stop (14), the device (1) being characterized in that the plate (10) comprises at least one longitudinal slot (11) separating at least one posterior portion of the plate (10) into two branches (12, 13) which at least one comprises at least one withdrawal stop (15) configured to retain the device (1) in the implant (2).
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: April 2, 2019
    Assignee: LDR Medical
    Inventors: Hervé Chataigner, Craig Chebuhar, Hervé Dinville, Emmanuel Bougere
  • Patent number: 10245157
    Abstract: Anchoring devices for rachidian implants, implants, surgical instruments, and surgical systems and methods are disclosed. In some embodiments, an anchor comprises a stiff plate with a longitudinal axis, configured for penetration of its anterior end into a vertebral surface while its posterior end remains engaged with the implant. An implant may include a locking mechanism for the anchor. An anchor may include an abutment configured to abut a complementary abutment of an implant. In some configurations, inserting an anchor in a passage of an implant may displace a locking mechanism, which may resile and lock the anchor in the implant with complementary abutments of the anchor and implant abutting.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 2, 2019
    Assignee: LDR Medical
    Inventors: Hervé Chataigner, Craig Chebuhar, Pierre Bernard, Hervé Dinville, Emmanuel Bougere
  • Patent number: 10226355
    Abstract: The present invention relates to an intervertebral disc prosthesis comprising at least three pieces including an upper plate, a lower plate, and a movable core at least in relation to a plate, wherein it also comprises at least one elongated movable osseous anchor comprising an insertion end disposed at a first longitudinal end of the anchor and a retention end disposed at a second longitudinal end of the anchor and a plate-like body disposed between the insertion end and the retention end.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: March 12, 2019
    Assignee: LDR Medical
    Inventor: Willem Zeegers
  • Patent number: 10195046
    Abstract: Anchor removal instruments and methods for using the instruments are provided. In some embodiments, an intervertebral implant anchor extractor tool comprises a support, a support retainer configured to hold the support fixed with respect to the implant, an extractor having an anchor retainer, and an extractor guide. An embodiment of a method of using this implant anchor extractor tool comprises the steps of obtaining access to an anchor, grasping the anchor, and applying a withdrawal force on the anchor while applying a countervailing force against the implant or a vertebral structure.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: February 5, 2019
    Assignee: LDR Medical
    Inventors: Hervé Dinville, Samuel LeQuette, Emmanuel Bougère
  • Patent number: 10188528
    Abstract: In various embodiments, an intervertebral disc prosthesis is provided. The prosthesis may be provided with an insertion adapter, such as a head, holder, or other carrier of the prosthesis. The insertion adapter may be configured to retain the prosthesis and to engage an insertion tool body. In various embodiments, the prosthesis and the insertion holder are provided in a sterile pack, with the prosthesis components and the insertion holder sterilized and packaged in one or more types or layers of sterile packaging. In various other embodiments, the prosthesis and an insertion tool are provided in a sterile pack, with the prosthesis components and the insertion tool sterilized and packaged in one or more types or layers of sterile packaging.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: January 29, 2019
    Assignee: LDR Medical
    Inventors: Alexandre Jodaitis, Herve Dinville, Alexis Mercier
  • Patent number: 10179015
    Abstract: The present disclosure provides various embodiments that may comprise an implant, to an instrument for implantation of the latter and to a method for manufacturing this implant which includes an elongated body between a free end and a head along a longitudinal axis on the one hand and turns of at least one threading on at least one portion of said body in proximity to the free end, along the longitudinal axis on the other hand, characterized in that the body includes a longitudinal internal conduit in at least one portion along the longitudinal axis, obtained by at least one first central machining operation parallel to the longitudinal axis and at least one second machining operation in a so-called transverse plane, not parallel to the longitudinal axis and crossing the wall of the body as far as the longitudinal internal conduit by making windows communicating between said longitudinal internal conduit and the outside of the body while preserving at least one portion of said turns and the wall of the body b
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: January 15, 2019
    Assignee: LDR Medical
    Inventors: Christophe Lavigne, Patrick Richard, Alexis Mercier, Samuel Lequette
  • Patent number: 10154909
    Abstract: This disclosure provides vertebral implants, fastening devices for vertebral implants, and implant instrumentation, and various combinations thereof. In some embodiments, the implant comprises a peripheral wall extending according to a vertical axis between upper and lower surfaces of the implant, with each such surface configured to be placed in contact with a vertebral structure, respectively, at the top and the bottom of the vertebral segment replaced by the implant. Some embodiments comprise fastening means, deployment of which anchors the implant in the lower and upper vertebral structures. Some fastening means may be deployed by sliding parallel to the vertical axis of the implant, and may comprise a plate with at least one part remaining in contact with the peripheral wall of the implant when deployed and a pointed end projecting from one of the upper and lower surfaces of the implant to enter a vertebral structures on completion of deployment.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: December 18, 2018
    Assignee: LDR Medical
    Inventors: Hervé Dinville, Samuel Lequette
  • Patent number: 10098668
    Abstract: An osseous anchoring implant, various embodiments of which comprise an osseous anchor and a head bearing fixation structure capable of receiving and fixing at least one bar, the head of the implant being traversed by at least one duct, which receives the bar through a lateral aperture, and by a threaded channel, whose axis is not parallel to the axis of the duct, which receives a fixation screw of the bar, the implant being characterized in that it comprises fixation structure of the head on the part of the implant which extends from the osseous anchor, these fixation structures allowing, prior to blocking and fixing, at least a determined mobility of the head around at least one axis not parallel to the axis of symmetry of the osseous anchor. The fixation screw of the bar may comprise a ball and socket at its base.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 16, 2018
    Assignee: LDR Medical
    Inventors: Christian Renaud, Gerard Castera
  • Patent number: 9987044
    Abstract: Various methods, devices, and systems are disclosed that facilitate easier and more compact implantation of osteosynthesis devices. In some embodiments, implants are screwed into two vertebrae and a plate is used to hold and displace the spine. In some plate embodiments, at least one longitudinally elongated opening is disposed at one end of the plate and partially opening onto an edge of the plate. In some plate embodiments, at least one longitudinally elongated opening is disposed at one end of the plate having a portion sufficiently large to be inserted without disassembly in the fixation means of an implant already screwed into the spine when the fixation means are already assembled.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: June 5, 2018
    Assignee: LDR Medical
    Inventors: Joël Delecrin, Jérôme Allain, Patrick Tropiano, Serge Ganglof, Rémi Poncer