Patents Assigned to Spinefrontier Inc
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Publication number: 20200022817Abstract: A bone fusing implant device includes an elongated body extending along a longitudinal direction. The elongated body includes a first segment having an outer surface with cortical threads, a second segment having an outer surface with cancellous threads, a top segment and a bottom segment. The first segment is adjacent to the second segment along the longitudinal direction and is configured to engage a cortical bone with the cortical threads and the second segment is configured to engage a cancellous bone with the cancellous threads. The elongated body has one or more elongated fusing gutters extending along the longitudinal direction on an outer surface of the elongated body covering the first and second segments, a central opening extending along the longitudinal direction through the elongated body's center and one or more through-openings that extend horizontally and intersect with the one or more fusing gutters.Type: ApplicationFiled: July 18, 2019Publication date: January 23, 2020Applicant: SPINEFRONTIER, INCInventors: JEREMY CROSSGROVE, OSCAR HERRERA, MICHAEL EMERY, JOSHUA FINKEL, KYLE WOODARD, KINGSLEY R. CHIN
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Patent number: 10413333Abstract: A spinal fixation device includes a bone screw, a tulip-shaped seat, a rod seat, and a washer. The bone screw comprises a spherical head and a threaded elongated body extending along a first direction. The tulip-shaped seat comprises a bottom portion that has a through-opening shaped and dimensioned to receive the bone screw so that an inner surface of the bottom portion engages the spherical head of the bone screw and prevents the bone screw from passing entirely through the through-opening, while the spherical head remains polyaxially rotatable within the bottom portion of the tulip-shaped seat. The rod seat sits within and engages the inner surface of the tulip-shaped seat and the rod seat comprises a semispherical bottom that is shaped and dimensioned to engage the spherical head of the bone screw while the spherical head remains polyaxially rotatable within the bottom portion of the tulip-shaped seat.Type: GrantFiled: October 4, 2017Date of Patent: September 17, 2019Assignee: SPINEFRONTIER, INCInventors: Jeremy Crossgrove, Michael Emery, Jacob Lubinski, Lin Yin, Kingsley R. Chin
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Patent number: 10238434Abstract: A system for performing a laminoplasty procedure in a spinal vertebra includes an implant and an inserter tool. The implant is configured to be placed on a previously formed lamina opening of the spinal vertebra, and is shaped and dimensioned to be placed in the lamina opening after the opening has been distracted. The inserter tool is configured to insert the implant near the lamina opening and then to distract the lamina opening so that the lamina opening is dimensioned to receive the implant and then to place the implant into the distracted lamina opening while simultaneously holding the lamina opening in a distracted state.Type: GrantFiled: March 18, 2015Date of Patent: March 26, 2019Assignee: SPINEFRONTIER, INCInventors: Aaron Ricica, Craig Henshaw, Jacob R. Lubinski
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Patent number: 10076369Abstract: An implantable cervical plate assembly includes a cervical plate, one or more bone fasteners. The cervical plate comprises an elongated asymmetric body having one or more through-openings extending from the front surface to the back surface of the elongated asymmetric body. The one or more bone fasteners are configured to be inserted through the one or more through-openings, respectively. The bone fasteners comprise a threaded main body and a head that includes one or more breakable structures configured to be broken when inserted into a groove and then unflex and remain captured within the groove.Type: GrantFiled: March 3, 2015Date of Patent: September 18, 2018Assignee: SPINEFRONTIER, INCInventors: Kingsley R. Chin, Lin Yin, Jacob R. Lubinski
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Patent number: 9936982Abstract: A connector assembly for translateral linking of bilateral spinal fixation rods includes first and second components. The first component has an elongated body having first and second ends, and the first end of the first component is configured to connect to a first spinal fixation rod. The second component has an elongated body having first and second ends, and the first end of the second component is configured to connect to a second spinal fixation rod. The second end of the first component is configured to be slidably connected to the second end of the second component.Type: GrantFiled: November 25, 2013Date of Patent: April 10, 2018Assignee: SPINEFRONTIER, INCInventors: Matthew Ibarra, Craig Henshaw, Jeremy Crossgrove, Aaron Ricica, Elizabeth Elidias, Carin Campbell
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Publication number: 20180092670Abstract: A spinal fixation device includes a bone screw, a tulip-shaped seat, a rod seat, and a washer. The bone screw comprises a spherical head and a threaded elongated body extending along a first direction. The tulip-shaped seat comprises a bottom portion that has a through-opening shaped and dimensioned to receive the bone screw so that an inner surface of the bottom portion engages the spherical head of the bone screw and prevents the bone screw from passing entirely through the through-opening, while the spherical head remains polyaxially rotatable within the bottom portion of the tulip-shaped seat. The rod seat sits within and engages the inner surface of the tulip-shaped seat and the rod seat comprises a semispherical bottom that is shaped and dimensioned to engage the spherical head of the bone screw while the spherical head remains polyaxially rotatable within the bottom portion of the tulip-shaped seat.Type: ApplicationFiled: October 4, 2017Publication date: April 5, 2018Applicant: SPINEFRONTIER, INCInventors: JEREMY CROSSGROVE, MICHAEL EMERY, JACOB LUBINSKI, LIN YIN, KINGSLEY R. CHIN
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Patent number: 9913668Abstract: An implantable assembly for stabilization of two adjacent spinous processes in a spinal column includes an elongated first component extending along a first axis, an elongated second component extending along a second axis, a hub spacer, means for inserting and securing the hub spacer transversely through the interspinous ligament separating the first and second spinous processes and means for clamping and securing first and second spinous processes of first and second adjacent vertebras, respectively, between the first and second components. The first and second components are arranged opposite and parallel to each other and are separated by the hub spacer.Type: GrantFiled: July 14, 2011Date of Patent: March 13, 2018Assignee: SPINEFRONTIER, INCInventors: Kingsley R. Chin, Matthew Ibarra, Craig Kingsbury Henshaw, Michael Drnek
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Patent number: 9801732Abstract: An intervertebral implant assembly includes and inserter tool and an implant having a U-shaped body shaped and dimensioned to be placed between two adjacent vertebras. The U-shaped body comprises a rounded front end, an open back end, first and second elongated components extending from the rounded front end, forming the U-shaped body and ending at the open back end and at least one rigid strut extending from and connecting opposite inner side surfaces of the first and second elongated components. A first through-opening is formed in the space between the front end, the rigid strut and the opposite inner side surfaces of the front portions of the first and second elongated components and a second through-opening is formed in the space between the open back end, the rigid strut and the opposite inner side surfaces of the back portions of the first and second elongated components. The inserter tool comprises a shaft, a middle sleeve and an outer sleeve that work together to attach and lock to the implant.Type: GrantFiled: October 27, 2010Date of Patent: October 31, 2017Assignee: SPINEFRONTIER, INCInventors: Kingsley Chin, Vito Lore, Michael Drnek, Christopher Chang
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Patent number: 9717538Abstract: A method for fusing two adjacent stacked bones includes the following. First, inserting first and second pins into first and second locations of a first surface of one of the two adjacent stacked bones, respectively. Next, inserting a dilator over each of the first and second pins to dilate tissue around the first and second pins. Next, inserting a tissue protector over the dilator and removing the dilator. Next, inserting a cannulated drill through the tissue protector over each of the first and second pins and drilling first and second openings in the first and second locations, respectively, wherein the first and second opening extend through the two adjacent stacked bones. Next, tapping threads in the first opening and inserting a first bone fusing implant in the first opening, wherein the first bone fusing implant comprises threads configured to engage the threads of the first opening.Type: GrantFiled: September 15, 2014Date of Patent: August 1, 2017Assignee: SPINEFRONTIER, INCInventors: Kingsley R. Chin, Richard Francis, Craig Henshaw, Jeremy Crossgrove, August Kawski
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Patent number: 9603717Abstract: An expandable intervertebral implant includes a base body, a top endplate and a center component. The top endplate is configured to be placed onto an open top of the base body and to expand upward. The top endplate includes a plate, first and second side protrusions extending vertically downward from first and second sides of the plate, respectively, first and second protrusions including inclined surfaces and extending obliquely downward from a first end of the plate and third and fourth protrusions having a triangular shape with at least one inclined surface and extending downward from a second end of the plate. The center component is configured to be placed within the base body and to interface with the top endplate and to move longitudinally forward or backward within the base body, thereby causing the top endplate to expand upwards or move downward, respectively.Type: GrantFiled: July 1, 2014Date of Patent: March 28, 2017Assignee: SPINEFRONTIER, INCInventors: Matthew Ibarra, Aaron Ricica, Lin Yin
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Patent number: 9498560Abstract: An improved spinous process fixation implant assembly 50 includes a spinous process fixation implant 100 and an interspinous spacer implant 200. The spinous process fixation implant 100 includes elongated first and second components 110, 120, that are arranged opposite and parallel to each other. First and second spinous processes 90a, 90b of first and second adjacent vertebrae 80a, 80b are clamped between the first and second components 110, 120, respectively, and are separated by the interspinous spacer implant 200. The interspinous spacer implant 200 may be inserted between the spinous processes of adjacent vertebrae from two different directions.Type: GrantFiled: March 2, 2012Date of Patent: November 22, 2016Assignee: SPINEFRONTIER, INCInventors: Kingsley R. Chin, Matthew Ibarra, Craig Henshaw, Michael Drnek, Charles Sears
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Patent number: 9161842Abstract: An interbody spinal fusion assembly includes an interbody cage, planar metal pins and bone fasteners. The interbody cage includes a metal cage and a PEEK insert. The PEEK insert is inserted into a slot of the metal cage and is secured to the metal cage with a pin. The assembled interbody cage is inserted in the space between two adjacent vertebras and is secured in placed with the planar metal pins and the bone fasteners.Type: GrantFiled: September 23, 2013Date of Patent: October 20, 2015Assignee: SPINEFRONTIER, INCInventors: Kingsley R. Chin, Lin Yin, Vito Lore, Matthew Ibarra, Michael Drnek
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Publication number: 20150265317Abstract: A system for performing a laminoplasty procedure in a spinal vertebra includes an implant and an inserter tool. The implant is configured to be placed on a previously formed lamina opening of the spinal vertebra, and is shaped and dimensioned to be placed in the lamina opening after the opening has been distracted. The inserter tool is configured to insert the implant near the lamina opening and then to distract the lamina opening so that the lamina opening is dimensioned to receive the implant and then to place the implant into the distracted lamina opening while simultaneously holding the lamina opening in a distracted state.Type: ApplicationFiled: March 18, 2015Publication date: September 24, 2015Applicant: SPINEFRONTIER, INCInventors: AARON RICICA, CRAIG HENSHAW, JACOB R. LUBINSKI
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Publication number: 20150216573Abstract: An implantable cervical plate assembly includes a cervical plate, one or more bone fasteners. The cervical plate comprises an elongated asymmetric body having one or more through-openings extending from the front surface to the back surface of the elongated asymmetric body. The one or more bone fasteners are configured to be inserted through the one or more through-openings, respectively. The bone fasteners comprise a threaded main body and a head that includes one or more breakable structures configured to be broken when inserted into a groove and then unflex and remain captured within the groove.Type: ApplicationFiled: March 3, 2015Publication date: August 6, 2015Applicant: SPINEFRONTIER, INCInventors: KINGSLEY R. CHIN, LIN YIN, JACOB R. LUBINSKI
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Publication number: 20150080972Abstract: A method for fusing two adjacent stacked bones includes the following. First, inserting first and second pins into first and second locations of a first surface of one of the two adjacent stacked bones, respectively. Next, inserting a dilator over each of the first and second pins to dilate tissue around the first and second pins. Next, inserting a tissue protector over the dilator and removing the dilator. Next, inserting a cannulated drill through the tissue protector over each of the first and second pins and drilling first and second openings in the first and second locations, respectively, wherein the first and second opening extend through the two adjacent stacked bones. Next, tapping threads in the first opening and inserting a first bone fusing implant in the first opening, wherein the first bone fusing implant comprises threads configured to engage the threads of the first opening.Type: ApplicationFiled: September 15, 2014Publication date: March 19, 2015Applicant: SPINEFRONTIER INCInventors: KINGSLEY R. CHIN, RICHARD FRANCIS, CRAIG HENSHAW, JEREMY CROSSGROVE, AUGUST KAWSKI
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Patent number: 8968319Abstract: A method for spinal rod insertion includes providing a U-shaped hook tool comprising first and second legs, and inserting the first leg into a first location of a first vertebra and then pushing the hook tool along an arc-shaped path until the first leg exits through a second location of an adjacent second vertebra. Next, providing a spinal stabilization rod and a folded flexible wire comprising first and second open ends at the front end and a closed loop end. The closed loop end is attached to a first end of the spinal stabilization rod and the first and second open ends of the folded flexible wire are inserted into an open end of the second leg of the hook, and the folded flexible wire is threaded through the U-shaped hook and the first and second open ends of the flexible wire exit through an open end of the first leg.Type: GrantFiled: June 19, 2012Date of Patent: March 3, 2015Assignee: Spinefrontier, IncInventors: Kingsley R. Chin, Craig Henshaw, Matthew Ibarra, Jeremy Levinson Crossgrove
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Publication number: 20150012097Abstract: An expandable intervertebral implant includes a base body, a top endplate and a center component. The top endplate is configured to be placed onto an open top of the base body and to expand upward. The top endplate includes a plate, first and second side protrusions extending vertically downward from first and second sides of the plate, respectively, first and second protrusions including inclined surfaces and extending obliquely downward from a first end of the plate and third and fourth protrusions having a triangular shape with at least one inclined surface and extending downward from a second end of the plate. The center component is configured to be placed within the base body and to interface with the top endplate and to move longitudinally forward or backward within the base body, thereby causing the top endplate to expand upwards or move downward, respectively.Type: ApplicationFiled: July 1, 2014Publication date: January 8, 2015Applicant: SPINEFRONTIER INCInventors: Matthew IBARRA, AARON RICICA, LIN YIN
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Patent number: 8834508Abstract: A cannula assembly for providing percutaneous access in minimally invasive spinal surgeries, includes an outer cannula, a nerve probe dilator and a multistage dilator system comprising a first dilator, a second dilator, a third dilator and a fourth dilator. The outer cannula and the dilators are slidable relative to each other and are arranged sequentially so that the fourth dilator surrounds the nerve probe dilator, the third dilator slides over a surface of the fourth dilator, the second dilator slides over a surface of the third dilator, the first dilator slides over a surface of the second dilator, and the outer cannula surrounds the first dilator.Type: GrantFiled: May 25, 2012Date of Patent: September 16, 2014Assignee: Spinefrontier IncInventors: Kingsley R. Chin, Craig Henshaw, Matthew Ibarra, Vito Lore, Jeremy Crossgrove
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Publication number: 20140200670Abstract: A spinal stabilization implant assembly includes a first cervical stabilization plate comprising an elongated body having a top portion and a bottom portion, and a second cervical stabilization plate comprising an elongated body having a top portion and a bottom portion. The bottom portion of the first cervical stabilization plate is attached to a first vertebra and the top portion of the second stabilization plate is stacked end-to-end below the bottom portion of the first cervical stabilization plate and is attached to the same first vertebra. The top portion of the first cervical stabilization plate is attached to a second vertebra, and the bottom portion of the second stabilization plate is attached to a third vertebra. The second vertebra is superior to the first vertebra, and the third vertebra is inferior to the first vertebra.Type: ApplicationFiled: January 16, 2013Publication date: July 17, 2014Applicant: SPINEFRONTIER INCInventors: Kingsley R. Chin, Matthew IBARRA, Craig HENSHAW, JEREMY CROSSGROVE, MICHAEL DRNEK, LIN YIN, AARON RICICA
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Patent number: 8758408Abstract: An implantable spinous process fixation device includes a k-shaped component comprising an elongated plate and top and bottom deformable plates extending at first and second angles from a first surface of the elongated plate, respectively, thereby defining first and second spaces between the elongated plate and the top and bottom deformable plates and a compression element configured to compress and move the first and second deformable plates toward the elongated plate and to change the first and the second angles, respectively. The first and second spaces are configured to receive first and second spinous processes, respectively. Compressing and moving the first and second deformable plates toward the elongated plate results in engaging the first surface of the elongated plate and first surfaces of the top and bottom deformable plates with lateral surfaces of the first and second spinous processes, respectively.Type: GrantFiled: December 13, 2006Date of Patent: June 24, 2014Assignee: Spinefrontier IncInventors: Kingsley Richard Chin, Daniel R. Baker, Daniel F. Justin