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Chappuis

James L. Chappuis, Marietta, GA US

Patent application numberDescriptionPublished
20080234825Modular Lumbar Interbody Fixation Systems and Methods - Modular lumbar interbody fixation systems and methods are provided. A representative system includes: an anterior end opposite a posterior end; a pair of engaging plates adapted to fit between and engage the vertebral bodies to maintain a disc space between the vertebral bodies during use; and an alignment device positionable between the pair of engaging plates, the alignment device comprising at least one flexible strut extending between the pair of engaging plates during use.09-25-2008
20080234826Modular Lumbar Interbody Fixation Systems and Methods with Reconstruction Endplates - Modular lumbar interbody fixation systems and methods with reconstruction endplates are provided. A representative system includes: a pair of engaging plates adapted to fit between and engage the vertebral bodies, at least one engaging plate of the pair of engaging plates being a reconstruction endplate, the reconstruction endplate having a trough and configured to receive a fixing agent; and an alignment device positionable between the pair of engaging plates, the alignment device being operative to maintain a disc space between the vertebral bodies during use.09-25-2008
20110098705Devices and Methods for Temporarily Retaining Spinal Rootlets within Dural Sac - Devices and methods for temporarily retaining spinal rootlets within a dural sac are provided. In this regard, a representative device includes: a handle operative to be grasped by a user; an arm extending outwardly from the handle; and moveable fins supported at a distal end of the arm, the fins being moveable between an unbiased position and a biased position; in the biased position, free ends of the fins having been moved toward each other such that an extent of the fins along a major axis is decreased relative to an extent of the fins along the major axis in the unbiased position.04-28-2011

Patent applications by James L. Chappuis, Marietta, GA US

Kevin Chappuis, Randolph, MA US

Patent application numberDescriptionPublished
20110288588SYSTEM AND METHOD FOR FACET FIXATION AND FUSION - A spinal fixation and fusion assembly includes a bone anchoring member, a cylindrical rod and a cap. The bone anchoring member comprises an elongated body that is made entirely of bone type material. The elongated body includes a main shaft, a conical shaped distal end, a flared out proximal end, and a through-opening extending along an axis from the proximal end to the distal end. The cylindrical rod is shaped and dimensioned to be received within the through-opening and is made entirely of metal. The cap is made entirely of metal and is attached to a proximal end of the cylindrical rod.11-24-2011

Richard Chappuis, Porrentruy CH

Patent application numberDescriptionPublished
20090198665INFORMATION PROCESSING METHOD - Method for generating information processing Systems wherein informative Containers and Contents are created, identified, stored, modeled, communicated, modified and deleted by creating, modifying or deleting Links (08-06-2009

Thierry Chappuis, Fribourg CH

Patent application numberDescriptionPublished
20080264794Dielectrophoretic Process for Retaining Polarizable Target-Particles and Device for Performing that Process - A process and a device for retaining polarizable target-particles from a fluid suspension of polarizable target-particles comprising the steps of pumping that suspension into a vertical or inclined channel and applying an alternating electric field inducing a negative dielectrophoretic force on the target-particles, the force being sufficient to push them a distance of at least or about 25 m from the surface of an electrode-bearing wall, thereby creating an upward-moving clarified fluid zone in the vicinity of that wall and a downward-moving target-particle containing fluid zone at a distance from that wall.10-30-2008