Patents by Inventor Hai H. Trieu
Hai H. Trieu 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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Patent number: 8480718Abstract: Orthopedic implants include a device that is non-rigid, i.e., flexible and/or malleable, in a first form for insertion into a desired in vivo site, and then transformable into a rigid, or hardened, form for providing a load-bearing function or providing other structural and/or mechanical function after implant. The device includes a biocompatible sheath and a curable material sealed within the sheath. The curable material is provided in a first form that provides flexibility to the device and is structured to rigidize in a second form after application of a quantity of an initiating energy to the material. Related methods and kits are also provided.Type: GrantFiled: December 21, 2006Date of Patent: July 9, 2013Assignee: Warsaw Orthopedic, Inc.Inventors: Dimitri Protopsaltis, Hai H. Trieu, Jeff R. Justis, Michael C. Sherman
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Publication number: 20130103154Abstract: A spinal implant includes first and second vertebral endplate-engaging components connected to each other at one end in articulated engagement to provide a desired expanded configuration, and an expander component disposed between the first and second components at the other end thereof to maintain the expanded configuration. Methods of use are disclosed.Type: ApplicationFiled: October 24, 2011Publication date: April 25, 2013Applicant: WARSAW ORTHOPEDIC, INCInventors: Hai H. Trieu, Keith E. Miller
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Patent number: 8425604Abstract: A spinal implant for insertion into an intervertebral disc space for intervertebral stabilization, the implant comprising a radiolucent polymer substrate coupled to a radiopaque and osseoconductive bone securing component which provides the implant with secure fixation between adjacent vertebrae. The implant's radiolucent, radiopaque and osseointegrative properties facilitate radiographic assessment of fusion across the disc space, assessment of osseointegration between vertebral endplates and osseointegration of the spinal implant to adjacent vertebral end plates. The implant comprises an implant substrate and a securing component coupled to the implant substrate. The implant preferably comprises a radiolucent polyetheretherketone (PEEK) substrate coupled to a radiopaque Titanium (Ti) or a titanium (Ti) alloy securing component, whereby the securing component is adjacent to the vertebral endplates when the implant is inserted in the disc space.Type: GrantFiled: January 20, 2011Date of Patent: April 23, 2013Assignee: Warsaw Orthopedic, Inc.Inventor: Hai H. Trieu
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Patent number: 8425561Abstract: An interspinous process brace is disclosed and can include a superior component and an inferior component. The superior component can include a superior spinous process bracket that can engage a superior spinous process. The inferior component can include an inferior spinous process bracket that can engage an inferior spinous process. Further, the interspinous process brace can be moved between a bent configuration and a straight configuration. In the bent configuration, an overall height of the interspinous process brace can be minimized to facilitate installation between the superior spinous process and the inferior spinous process.Type: GrantFiled: May 24, 2011Date of Patent: April 23, 2013Assignee: Warsaw Orthopedic, Inc.Inventors: Roy K. Lim, Thomas A. Carls, Aurelien Bruneau, Eric C. Lange, Kent M. Anderson, Hai H. Trieu
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Patent number: 8414619Abstract: The present application is directed to vertebral rods and methods of use. In one embodiment, the rod includes upper and lower sections that are separated by an intermediate section. The intermediate section may include one or more members, and may have a variety of configurations. An elastic member may be positioned within the intermediate section. The intermediate section and the elastic member may provide for variable resistance during movement of the upper and lower sections. In one embodiment, the resistance increases the further away the upper and lower sections move from a first orientation.Type: GrantFiled: October 4, 2010Date of Patent: April 9, 2013Assignee: Warsaw Orthopedic, Inc.Inventor: Hai H. Trieu
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Patent number: 8399619Abstract: A collagen material is disclosed and can include a plurality of particles. Each particle can include an elongated, thin body having one or more arcuate portions and one or more straight portions. Further, each particle can include one or more fibers extending from the body. One or more fibers of one particle can engage the one or more fibers of one or more other particles to establish a matrix of material, where a cross-linking agent may be added in the collagen material. Furthermore, an additive including a radiocontrast medium, a drug, a cellular matter, a biological factor, or a combination thereof may be added to the collagen mixture.Type: GrantFiled: June 30, 2006Date of Patent: March 19, 2013Assignee: Warsaw Orthopedic, Inc.Inventors: Hai H. Trieu, Jeffrey M. Gross, Sean M. Haddock, Keith M. Kinnane, Thomas A. Simonton
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Patent number: 8376937Abstract: An apparatus for monitoring the characteristics of tissue adjacent a surgical site and communicating that information to a health care provider includes a retractor, a sensor, and a processing system. The sensor is disposed on the retractor and is configured to measure a parameter indicative of at least one characteristic of the tissue adjacent the first or the second blade. The processing system is in communication with the sensor and configured and arranged to receive information from the sensor indicative of the measured parameter. It includes a threshold stored therein indicative of excessive trauma to the tissue and it is configured in a manner such that it compares the received information to the stored threshold and communicates information to the health care provider regarding the comparison.Type: GrantFiled: January 28, 2010Date of Patent: February 19, 2013Assignee: Warsaw Orhtopedic, Inc.Inventors: Jusong Xia, Joseph Jude Saladino, Jeff R. Justis, Newton H. Metcalf, Jr., Greg C. Marik, Nikolas F. Kerr, Hai H. Trieu
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Patent number: 8372126Abstract: Surgical fasteners that combine mechanical and osteogenic means of fixation to maximize in vivo stability and long-term performance. The fastener generally includes a head and a shaft. The fastener is fenestrated and includes a channel that leads into one or more openings along the shaft. Bone void filling materials is delivered through the channel to the shaft to improve anchoring. In one embodiment, the osteogenic means comprise a coating applied to the fastener to improve bony apposition. The fastener with combined mechanical and osteogenic means provides initial, immediate anchoring and long term anchoring.Type: GrantFiled: April 21, 2006Date of Patent: February 12, 2013Assignee: Warsaw Orthopedic, Inc.Inventors: Hai H. Trieu, Jon Carl Serbousek, Michael S. Veldman
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Patent number: 8353938Abstract: Systems and methods for repairing annulus defects include at least one blocking member positionable in or adjacent to the annulus defect, and at least one anchor for securing the blocking member to adjacent tissue recessed into the adjacent vertebrae. The blocking member extends at least partially across the annulus defect for repair of the defect and/or retention of nucleus material, one or more implants, bio-compatible materials or device, and/or other objects positioned in the disc space. Instruments are provided to facilitate preparation of the implantation site of the annulus repair system.Type: GrantFiled: December 10, 2007Date of Patent: January 15, 2013Assignee: Warsaw Orthopedic, Inc.Inventors: Hai H. Trieu, Lehmann K. Li
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Patent number: 8348978Abstract: An implant is disclosed and can include a body and a plurality of pellets disposed within the body. The implant can be moved between an unmolded, relaxed configuration wherein the body is not conformed to a bone and a molded, relaxed configuration wherein the body is at least partially conformed to the bone.Type: GrantFiled: April 28, 2006Date of Patent: January 8, 2013Assignee: Warsaw Orthopedic, Inc.Inventors: Hai H. Trieu, Thomas Carls, Roy Lim, Eric C. Lange, Kent M. Anderson, Aurelien Bruneau
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Patent number: 8343221Abstract: Described are methods for therapeutically treating the spine that involve the implantation of a medical device, such as a fusion cage, disc nucleus implant, or artificial disc, that transmits loads to a volume of bone tissue of the spine, and the reinforcement of that volume of bone tissue to decrease the risk of fracture or other injury resultant of the transmitted loads.Type: GrantFiled: May 19, 2010Date of Patent: January 1, 2013Assignee: Warsaw Orthopedic, Inc.Inventor: Hai H. Trieu
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Publication number: 20120277865Abstract: An implant includes a first component including a wall that defines a first surface and a second surface. The first surface defines a first opening and the second surface defines a second opening. The second opening is spaced apart from the first opening to define a cavity therebetween. A second component is supported by the first component and configured for movement relative thereto. The second component is movable between a first configuration such that the second component is disposed between the first opening and the second opening within the cavity and a second, expanded configuration such that the second component simultaneously passes through the first and second openings to extend from the cavity. Methods of use are also disclosed.Type: ApplicationFiled: April 27, 2011Publication date: November 1, 2012Applicant: Warsaw Orthopedic, Inc.Inventors: Hai H. Trieu, Sachin P. Budhabhatti
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Patent number: 8298242Abstract: Systems, devices and methods are provided for bending an elongate member used in a medical procedure. In one form, the device includes a bending mechanism having a plurality of engaging members are selectively positioned relative to a receiving area. In one embodiment, a first set of engaging members is positioned in a select arrangement, and a second set of the engaging members is movable relative to the select arrangement of the first set of engaging members to compressingly engage the elongate member to bend the elongate member to a desired shape/contour. The device also includes a heating element configured to apply heat to one or more portions of the elongate member to facilitate bending. In one form, the elongate member is formed of a heat deformable material, and heat is applied to soften one or more portions of the elongate member to provide added flexibility to facilitate bending.Type: GrantFiled: April 30, 2010Date of Patent: October 30, 2012Assignee: Warsaw Orthopedic, Inc.Inventors: Jeff R Justis, Dimitri K Protopsaltis, Hai H Trieu
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Patent number: 8298286Abstract: A vertebral augmentation system comprising a biocompatible mesh sheet having a first end and a second end. The mesh sheet includes a plurality of first strands having a first maximum extension intertwined with a plurality of second strands having a second maximum extension. The mesh sheet also includes a first interface portion adapted to contact a first vertebral bone and a second interface portion adapted to contact a second vertebral bone. The plurality of first strands have a greater elasticity than the plurality of second strands, and the plurality of second strands limit the plurality of first strands from reaching the first maximum extension when the first vertebral bone moves relative to the second vertebral bone.Type: GrantFiled: December 19, 2006Date of Patent: October 30, 2012Assignee: Warsaw Orthopedic, Inc.Inventor: Hai H. Trieu
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Publication number: 20120265306Abstract: A spinal implant for insertion into an intervertebral disc space for intervertebral stabilization, the implant comprising a radiopaque substrate having bone securing serrations coupled to a radiolucent insert. The implant's radiolucent and radiopaque properties facilitate radiographic assessment of fusion across the disc space, assessment of osseointegration between vertebral endplates and osseointegration of the implant to adjacent vertebral end plates. The implant comprises an implant substrate having at least one insert cavity and bone securing serrations, and at least one insert component, whereby the insert component is configured to be securely coupled to the implant substrate via the at least one insert cavity thereby forming the implant.Type: ApplicationFiled: April 14, 2011Publication date: October 18, 2012Applicant: Warsaw Orthopedic, Inc.Inventor: Hai H. Trieu
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Patent number: 8277508Abstract: An intervertebral disc prosthesis is adapted for implantation between first and second vertebral endplates. The prosthesis comprises a first endplate assembly for engaging the first vertebral endplate. The first endplate assembly has a concave first inner surface. The prosthesis further comprises a second endplate assembly for engaging the second vertebral endplate. The second endplate assembly has a concave second inner surface. The prosthesis further comprises a core component extending between the first and second inner surfaces and adapted to move relative to the concave first and second inner surfaces. The core component includes a flexible body extending between first and second end surfaces such that the end surfaces are not contiguous. The first and second end surfaces have a hardness greater than the flexible body.Type: GrantFiled: July 17, 2006Date of Patent: October 2, 2012Assignee: Warsaw OrthopedicInventor: Hai H. Trieu
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Patent number: 8268010Abstract: A method for treating a vertebral bone comprises providing a plurality of hollow microparticles and providing a flowable and settable bone filling material. The method further comprises mixing the plurality of hollow microparticles with the bone filling material to form a bone augmentation material. The method further comprises inserting an injection device into the vertebral bone and injecting the bone augmentation material from the injection device and into the vertebral bone.Type: GrantFiled: January 12, 2007Date of Patent: September 18, 2012Assignee: Warsaw Orthopedic, Inc.Inventors: Hai H. Trieu, Aashiish Agnihotri, Joseph Saladino
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Patent number: 8262698Abstract: An interspinous implant includes a spacer having an upwardly facing concave saddle and a downwardly facing concave saddle. The lateral sides of the implant are pulled inward to force the saddles vertically away from each other, thereby increasing the effective height of the implant. In one version, a strap extends circumferentially around the anterior and posterior surfaces of the spacer, such that tightening the strap causes the saddles to move away from each other. In another version, the spacer includes a first outwardly facing convex segment disposed on a first lateral side of the saddles and a second outwardly facing convex segment disposed on a second lateral side of the saddles. A rod extends between the first and second convex segments and is fixed to the first convex segment and movable relative to the second convex segment.Type: GrantFiled: March 16, 2006Date of Patent: September 11, 2012Assignee: Warsaw Orthopedic, Inc.Inventors: Kent M. Anderson, Eric C. Lange, Hai H. Trieu
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Patent number: 8252031Abstract: A molding device is disclosed and can include a first mold component and a second mold component substantially opposite the first mold component. The first mold component and the second mold component can fit around a superior spinous process and an inferior spinous process.Type: GrantFiled: April 28, 2006Date of Patent: August 28, 2012Assignee: Warsaw Orthopedic, Inc.Inventors: Thomas Carls, Kent M. Anderson, Eric C. Lange, Roy Lim, Hai H. Trieu, Aurelien Bruneau
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Patent number: 8231657Abstract: Devices and methods for spinal stabilization include first and second anchor assemblies engageable to respective ones of first and second vertebrae and a connecting element engageable to the first and second anchor assemblies. The connecting element includes opposite first and second end members and a bumper assembly between the end members that flexibly connects the end members so the connecting element can provide dynamic stabilization of the spinal column when engaged to the anchor assemblies.Type: GrantFiled: August 9, 2010Date of Patent: July 31, 2012Assignee: Warsaw OrthopedicInventors: Jason John Eckhardt, Tom J. Francis, Hai H. Trieu