Patents by Inventor Hansen Yuan
Hansen Yuan 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: 11259934Abstract: A spine stabilization device having an interbody spacer shaped to be inserted between a vertebral body of an upper vertebra and a vertebral body of a lower vertebra. The device further includes a fixation device to be inserted after placement of the interbody spacer, the fixation device having a support portion securing the interbody spacer against escaping from between the vertebral bodies into a ventral direction. The support portion rests against a portion of an anterior surface of the interbody spacer, and includes an anchor. The anchor has an anchoring material portion that is inserted, in a liquid state, into cancellous bone tissue of at least one of the vertebral bodies of the upper and lower vertebra, to thereby infiltrate the cancellous bone tissue, and to harden thereafter so as to fix the support portion to the vertebral body.Type: GrantFiled: December 28, 2018Date of Patent: March 1, 2022Assignee: SPINEWELDING AGInventors: Andrea Müller, Milica Berra, Marcel Aeschlimann, Mario Lehmann, Urs Weber, Jörg Mayer, Stephen Hochschuler, Hansen Yuan, Frank M. Phillips, Stephanie Mehl, Elmar Mock, Andreas Wenger, Philipp Seiler, Ulrich Berlemann
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Publication number: 20190133777Abstract: A spine stabilization device having an interbody spacer shaped to be inserted between a vertebral body of an upper vertebra and a vertebral body of a lower vertebra. The device further includes a fixation device to be inserted after placement of the interbody spacer, the fixation device having a support portion securing the interbody spacer against escaping from between the vertebral bodies into a ventral direction. The support portion rests against a portion of an anterior surface of the interbody spacer, and includes an anchor. The anchor has an anchoring material portion that is inserted, in a liquid state, into cancellous bone tissue of at least one of the vertebral bodies of the upper and lower vertebra, to thereby infiltrate the cancellous bone tissue, and to harden thereafter so as to fix the support portion to the vertebral body.Type: ApplicationFiled: December 28, 2018Publication date: May 9, 2019Inventors: Andrea Müller, Milica Berra, Marcel Aeschlimann, Mario Lehmann, Urs Weber, Jörg Mayer, Stephen Hochschuler, Hansen Yuan, Frank M. Phillips, Stephanie Mehl, Elmar Mock, Andreas Wenger, Philipp Seiler, Ulrich Berlemann
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Patent number: 10195045Abstract: A spine stabilization device having an interbody spacer shaped to be inserted between a vertebral body of an upper vertebra and a vertebral body of a lower vertebra. The device further includes a fixation device to be inserted after placement of the interbody spacer, the fixation device having a support portion securing the interbody spacer against escaping from between the vertebral bodies into a ventral direction. The support portion rests against a portion of an anterior surface of the interbody spacer, and includes an anchor. The anchor has an anchoring material portion that is inserted, in a liquid state, into cancellous bone tissue of at least one of the vertebral bodies of the upper and lower vertebra, to thereby infiltrate the cancellous bone tissue, and to harden thereafter so as to fix the support portion to the vertebral body.Type: GrantFiled: December 1, 2015Date of Patent: February 5, 2019Assignee: SPINEWELDING AGInventors: Andrea Müller, Milica Berra, Marcel Aeschlimann, Mario Lehmann, Urs Weber, Jörg Mayer, Stephen Hochschuler, Hansen Yuan, Frank M. Phillips, Stephanie Mehl, Elmar Mock, Andreas Wenger, Philipp Seiler, Ulrich Berlemann
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Publication number: 20160074171Abstract: A spine stabilization device having an interbody spacer shaped to be inserted between a vertebral body of an upper vertebra and a vertebral body of a lower vertebra. The device further includes a fixation device to be inserted after placement of the interbody spacer, the fixation device having a support portion securing the interbody spacer against escaping from between the vertebral bodies into a ventral direction. The support portion rests against a portion of an anterior surface of the interbody spacer, and includes an anchor. The anchor has an anchoring material portion that is inserted, in a liquid state, into cancellous bone tissue of at least one of the vertebral bodies of the upper and lower vertebra, to thereby infiltrate the cancellous bone tissue, and to harden thereafter so as to fix the support portion to the vertebral body.Type: ApplicationFiled: December 1, 2015Publication date: March 17, 2016Inventors: Andrea Müller, Milica Berra, Marcel Aeschlimann, Mario Lehmann, Urs Weber, Jorg Mayer, Stephen Hochschuler, Hansen Yuan, Frank M. Phillips, Stephanie Mehl, Elmar Mock, Andreas Wenger, Philipp Seiler, Ulrich Berlemann
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Patent number: 9220609Abstract: A spine stabilization device is provided, the spine stabilization device including an interbody spacer shaped to be inserted between a vertebral body of an upper vertebra and a vertebral body of a lower vertebra, and including a top surface oriented towards the lower endplate of the vertebral body of the upper vertebra and a bottom surface oriented towards the upper endplate of the vertebral body of the lower vertebra; and a fixation device to be inserted after placement of the interbody spacer, the fixation device including a support portion securing the interbody spacer against escaping from between the vertebral bodies of the upper and lower vertebra into a ventral direction, the support portion shaped to rest against a portion of an anterior surface of the interbody spacer, and further including an anchor, the anchor including an anchoring material portion that is configured to be inserted, in a liquid state, into cancellous bone tissue of at least one of the vertebral body of the upper vertebra and of thType: GrantFiled: February 24, 2010Date of Patent: December 29, 2015Assignee: SPINEWELDING AGInventors: Andrea Mueller, Milica Berra, Marcel Aeschlimann, Mario Lehmann, Urs Weber, Jörg Mayer, Stephen Hochschuler, Hansen Yuan, Frank M. Phillips, Stephanie Mehl, Elmar Mock, Andreas Wenger, Philipp Seiler, Ulrich Berlemann
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Patent number: 9198766Abstract: Cephalad and caudal vertebral facet joint prostheses and methods of use are provided. The cephalad prostheses are adapted and configured to be attached to a lamina portion of a vertebra without blocking a pedicle portion of the cephalad vertebra.Type: GrantFiled: February 7, 2008Date of Patent: December 1, 2015Assignee: GMEDELAWARE 2 LLCInventors: Hansen Yuan, Mark A. Reiley, David Stinson, Lawrence R. Jones
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Patent number: 8808327Abstract: A device is disclosed for securing a spinal rod to the spine which includes a head portion configured to receive a spinal rod, a locking cap configured to engage the head portion and the spinal rod upon rotation of the locking cap relative to the head portion to secure the position of the head portion relative to the spinal rod, and a fastener portion depending from the head portion and configured to engage the spine. The locking cap has discontinuous opposed engagement flanges that are received within opposed engagement slots of the head portion when the locking cap is rotated into a locked position.Type: GrantFiled: October 17, 2012Date of Patent: August 19, 2014Assignee: Howmedica Osteonics Corp.Inventors: Hansen Yuan, David Nichols, Eric Finley
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Patent number: 8795382Abstract: Disclosed are cement products, methods of forming cement using the cement product, and methods of using the cement product in orthopedic and dental applications. Generally, the disclosed cement product includes a first component comprising a polymerizable resin comprising ethylenic unsaturated double bond, a second component comprising a compound comprising more than one type of amine selected from the group consisting of primary amines, secondary amines, tertiary amines and quaternary amines, and, optionally, the cement product includes a bioactive component to promote bone formation.Type: GrantFiled: December 30, 2010Date of Patent: August 5, 2014Assignee: Pioneer Surgical Technology, Inc.Inventors: Juchui Ray Lin, Edward S. Ahn, Hansen Yuan, Paul J. Mraz
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Patent number: 8388684Abstract: An artificial disc device for replacing a damaged nucleus is disclosed. In one form, the device may be inserted in components such that the device may be assembled within and retained by the natural annulus therein. In another form, the device may be inserted into the natural annulus in a collapsed or compressed state or arrangement and then be expanded within and retained by the annulus therein.Type: GrantFiled: October 22, 2003Date of Patent: March 5, 2013Assignee: Pioneer Signal Technology, Inc.Inventors: Qi-Bin Bao, Jeffrey L. Trudeau, Brian Patrick Janowski, Matthew N. Songer, Hansen Yuan, Thomas S. Kilpela, Gregory Berrevoets
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Patent number: 8377133Abstract: A prosthetic spinal implant having a securing member for fixing the implant relative to an adjacent bone. In one form, the securing member is deployable into a portion of the vertebral space for affixing the implant between the vertebrae. The securing member may be disposed substantially within the body of a bearing member of the implant when the securing member is in an undeployed orientation. In other forms, the securing member is provided separately from the implant such that it may be inserted into the intervertebral space after the implant has been placed in an implanted orientation between the vertebrae. In such forms, the securing member is configured for ease of insertion between an outer bearing surface of the implant and an adjacent bone via linear or rotary motion.Type: GrantFiled: March 10, 2010Date of Patent: February 19, 2013Assignee: Pioneer Surgical Technology, Inc.Inventors: Hansen Yuan, Matthew F. Gornet, John Sullivan, Jeffrey L. Trudeau, Brian P. Janowski
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Patent number: 8313510Abstract: A device is disclosed for securing a spinal rod to the spine which includes a head portion configured to receive a spinal rod, a locking cap configured to engage the head portion and the spinal rod upon rotation of the locking cap relative to the head portion to secure the position of the head portion relative to the spinal rod, and a fastener portion depending from the head portion and configured to engage the spine. The locking cap has discontinuous opposed engagement flanges that are received within opposed engagement slots of the head portion when the locking cap is rotated into a locked position.Type: GrantFiled: June 30, 2010Date of Patent: November 20, 2012Assignee: Howmedica Osteonics Corp.Inventors: Hansen Yuan, David Nichols, Eric Finley
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Patent number: 8172885Abstract: Bone plate and bone screw lock systems are provided for use in surgical implants. In a preferred form, the bone plate or other implantable member defines a bore for receiving a bone screw and a recess in communication with the bore. A screw lock operates in the bore at the recess to engage and lock the bone screw against unintentional movement. The preferred screw lock is shifted about the screw between an unlocked position to allow manipulation of the screw and a locked position in which the screw lock grips the head of the screw to prevent movement of the screw. The screw lock preferably has a c-shaped collar configuration with opposing ends and a camming engagement with the plate or other member in the recess. Upon rotation of the screw lock, the camming engagement causes the ends of the collar to either shift toward one another in which the collar compresses about the screw to lock the screw or away from another to unlock the screw head.Type: GrantFiled: February 5, 2004Date of Patent: May 8, 2012Assignee: Pioneer Surgical Technology, Inc.Inventors: Matthew N. Songer, Hansen Yuan, Thomas S. Kilpela, Brian P. Janowski, Gregory A. Berrevoets
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Publication number: 20110270399Abstract: The present invention relates to a device and method to perform 1) disc fusion, 2) artificial replacement of the nucleus, 3) artificial replacement of the annulus, or 4) artificial replacement of both the nucleus and annulus. The device is designed to be placed into the intervertebral space following discectomy. The invention includes a delivery catheter and an substantially fixed sized mesh loop with a lumen within the mesh loop and a center hole. The mesh loop partially self expands diametrically in diameter upon removal of the introducer sheath and can be further expanded by mechanical means.Type: ApplicationFiled: October 29, 2010Publication date: November 3, 2011Inventors: Matthew Yurek, Hansen Yuan, Anthony Yeung, Craig Litherland, Kurt Veeder, Robert Huffman
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Patent number: 8038702Abstract: A device is disclosed for securing a spinal rod to the spine which includes a head portion configured to receive a spinal rod, a locking cap configured to engage the head portion and the spinal rod upon rotation of the locking cap relative to the head portion to secure the position of the head portion relative to the spinal rod, and a fastener portion depending from the head portion and configured to engage the spine. Methods of utilizing such a device are also disclosed.Type: GrantFiled: August 25, 2009Date of Patent: October 18, 2011Assignee: Howmedica Osteonics Corp.Inventors: Hansen Yuan, David Nichols, Eric Finley
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Patent number: 7947759Abstract: Disclosed are cement products, methods of forming cement using the cement product, and methods of using the cement product in orthopedic and dental applications. Generally, the disclosed cement product includes a first component comprising a polymerizable resin comprising ethylenic unsaturated double bond, a second component comprising a compound comprising more than one type of amine selected from the group consisting of primary amines, secondary amines, tertiary amines and quaternary amines, and, optionally, the cement product includes a bioactive component to promote bone formation.Type: GrantFiled: August 8, 2006Date of Patent: May 24, 2011Assignee: Angstrom MedicaInventors: Juchui Ray Lin, Edward S. Ahn, Hansen Yuan, Paul J. Mraz
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Publication number: 20110097420Abstract: Disclosed are cement products, methods of forming cement using the cement product, and methods of using the cement product in orthopedic and dental applications. Generally, the disclosed cement product includes a first component comprising a polymerizable resin comprising ethylenic unsaturated double bond, a second component comprising a compound comprising more than one type of amine selected from the group consisting of primary amines, secondary amines, tertiary amines and quaternary amines, and, optionally, the cement product includes a bioactive component to promote bone formation.Type: ApplicationFiled: December 30, 2010Publication date: April 28, 2011Applicant: Angstrom MedicaInventors: Juchui Ray Lin, Edward S. Ahn, Hansen Yuan, Paul J. Mraz
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Patent number: 7909856Abstract: A method of securing a spinal rod to a spine includes providing a head portion having a channel extending therethrough for receiving a spinal rod, the channel and the head portion being bounded by a first side wall and a second side wall. The method includes providing a bone fastener depending from the head portion, arranging the spinal rod in the channel of the head portion, and providing a locking cap having first and second portions that are rotatable relative to one another, the second portion of the locking cap having an underside with a recess. The method includes assembling the locking cap with the head portion so that the first portion is between the first and second side walls and so that the recess of the second portion of the locking cap is in contact with the spinal rod.Type: GrantFiled: May 2, 2006Date of Patent: March 22, 2011Assignee: Howmedica Osteonics Corp.Inventors: Hansen Yuan, David Nichols, Eric Finley
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Publication number: 20100280619Abstract: A prosthetic spinal implant having a securing member for fixing the implant relative to an adjacent bone. In one form, the securing member is deployable into a portion of the vertebral space for affixing the implant between the vertebrae. The securing member may be disposed substantially within the body of a bearing member of the implant when the securing member is in an undeployed orientation. In other forms, the securing member is provided separately from the implant such that it may be inserted into the intervertebral space after the implant has been placed in an implanted orientation between the vertebrae. In such forms, the securing member is configured for ease of insertion between an outer bearing surface of the implant and an adjacent bone via linear or rotary motion.Type: ApplicationFiled: March 10, 2010Publication date: November 4, 2010Inventors: Hansen Yuan, Matthew F. Gornet, John Sullivan, Jeffrey L. Trudeau, Brian P. Janowski
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Publication number: 20100274358Abstract: A spine stabilization device is provided, the spine stabilization device including an interbody spacer shaped to be inserted between a vertebral body of an upper vertebra and a vertebral body of a lower vertebra, and including a top surface oriented towards the lower endplate of the vertebral body of the upper vertebra and a bottom surface oriented towards the upper endplate of the vertebral body of the lower vertebra; and a fixation device to be inserted after placement of the interbody spacer, the fixation device including a support portion securing the interbody spacer against escaping from between the vertebral bodies of the upper and lower vertebra into a ventral direction, the support portion shaped to rest against a portion of an anterior surface of the interbody spacer, and further including an anchor, the anchor including an anchoring material portion that is configured to be inserted, in a liquid state, into cancellous bone tissue of at least one of the vertebral body of the upper vertebra and of thType: ApplicationFiled: February 24, 2010Publication date: October 28, 2010Applicant: SPINEWELDING AGInventors: Andrea Mueller, Milica Berra, Marcel Aeschlimann, Mario Lehmann, Urs Weber, Jörg Mayer, Stephen Hochschuler, Hansen Yuan, Frank M. Phillips, Stephanie Mehl, Elmar Mock, Andreas Wenger, Philipp Seiler, Ulrich Berlemann
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Patent number: 7819901Abstract: A device for securing a spinal rod to a spine includes a head adapted to secure the spinal rod, and a locking cap adapted to engage the head and the spinal rod, the locking cap having an unlocked position, an intermediate position, and a locked position. A method of securing the spinal rod to the device includes aligning the spinal rod to a desired position relative to the spine with the locking cap in the unlocked position.Type: GrantFiled: August 31, 2005Date of Patent: October 26, 2010Assignee: Howmedica Osteonics Corp.Inventors: Hansen Yuan, David Nichols, Eric Finley