Patents Assigned to Q-Spine LLC
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Patent number: 8414592Abstract: A method and device for determining an optimal size of an intervertebral implant to be inserted within an intervertebral space between two vertebrae in a patient, comprising inserting a distractor into the intervertebral space. The vertebral endplate depth is measured by moving a posterior rod on the distractor longitudinally to a position at the posterior margin of the vertebral endplate and moving an anterior rod on the distractor to a position at the anterior margin of the vertebral endplate. The force applied during distraction is measured using at least one transducer mounted on the distractor and the intervertebral space is distracted by rotating the posterior and anterior rods on the distractor until the measured force reaches a predetermined value. The posterior height of the intervertebral space is measured based on the amount that the posterior rod is rotated and the anterior height of the intervertebral space is measured based on the amount that the anterior rod is rotated.Type: GrantFiled: November 19, 2008Date of Patent: April 9, 2013Assignee: Q-Spine, LLCInventor: Martin Quirno
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Patent number: 8414593Abstract: A device for determining an optimal size of an intervertebral implant, comprising movable posterior and anterior rods, each rod operatively connected to a pair of posterior and anterior distracting members, respectively. Each pair is movable in opposing radial directions in response to longitudinal rotation of the posterior and anterior rods, and has marks corresponding to the distance the distracting members have moved for the purpose of measuring posterior and anterior disc height. A position indicator allows measurement of longitudinal distance between the longitudinally movable posterior and anterior rods. The device further comprises load sensor plates movable in response to movement of the distracting members, first and second handles pivotally connected to the load sensor plates, a protractor disposed relative to the handles, allowing measurement of an angle between the first and second handles, and a transducer for measuring force applied during distraction.Type: GrantFiled: December 8, 2011Date of Patent: April 9, 2013Assignee: Q-Spine, LLCInventor: Martin Quirno
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Patent number: 8252001Abstract: A distractor and measuring device includes a first handle operatively connected to a first paddle and a second handle operatively connected to a second paddle. The first and second handles are pivotally connected to one another such that movement of the handles relative to one another causes the paddles to move relative to each other. At least one transducer is positioned on at least one of the first and second handles for measuring an amount of force applied during distraction. A measurement rod is pivotally connected to the device and is movable in a longitudinal direction relative to the first and second paddles. A potentiometer is operatively connected to the measurement rod to measure the angular orientation of the measurement rod.Type: GrantFiled: August 27, 2009Date of Patent: August 28, 2012Assignee: Q-Spine LLCInventors: Martin Quirno, Natalia J. Schmidt, Ashley Steimle, Trupti Karkar, Jacqueline K. C. Hilt, Vikki Hazelwood, Antonio Valdevit
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Publication number: 20120123426Abstract: A device for determining an optimal size of an intervertebral implant, comprising movable posterior and anterior rods, each rod operatively connected to a pair of posterior and anterior distracting members, respectively. Each pair is movable in opposing radial directions in response to longitudinal rotation of the posterior and anterior rods, and has marks corresponding to the distance the distracting members have moved for the purpose of measuring posterior and anterior disc height. A position indicator allows measurement of longitudinal distance between the longitudinally movable posterior and anterior rods. The device further comprises load sensor plates movable in response to movement of the distracting members, first and second handles pivotally connected to the load sensor plates, a protractor disposed relative to the handles, allowing measurement of an angle between the first and second handles, and a transducer for measuring force applied during distraction.Type: ApplicationFiled: December 8, 2011Publication date: May 17, 2012Applicant: Q-SPINE, LLCInventor: Martin Quirno
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Publication number: 20100179558Abstract: A distractor and measuring device includes a first handle operatively connected to a first paddle and a second handle operatively connected to a second paddle. The first and second handles are pivotally connected to one another such that movement of the handles relative to one another causes the paddles to move relative to each other. At least one transducer is positioned on at least one of the first and second handles for measuring an amount of force applied during distraction. A measurement rod is pivotally connected to the device and is movable in a longitudinal direction relative to the first and second paddles. A potentiometer is operatively connected to the measurement rod to measure the angular orientation of the measurement rod.Type: ApplicationFiled: August 27, 2009Publication date: July 15, 2010Applicant: Q-SPINE LLCInventors: Martin Quirno, Natalia J. Schmidt, Ashley Steimle, Trupti Karkar, Jacqueline K.C. Hilt, Vikki Hazelwood, Antonio Valdevit
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Publication number: 20100010494Abstract: A method and device for determining an optimal size of an intervertebral implant to be inserted within an intervertebral space between two vertebrae in a patient, comprising inserting a distractor into the intervertebral space. The vertebral endplate depth is measured by moving a posterior rod on the distractor longitudinally to a position at the posterior margin of the vertebral endplate and moving an anterior rod on the distractor to a position at the anterior margin of the vertebral endplate. The force applied during distraction is measured using at least one transducer mounted on the distractor and the intervertebral space is distracted by rotating the posterior and anterior rods on the distractor until the measured force reaches a predetermined value. The posterior height of the intervertebral space is measured based on the amount that the posterior rod is rotated and the anterior height of the intervertebral space is measured based on the amount that the anterior rod is rotated.Type: ApplicationFiled: November 19, 2008Publication date: January 14, 2010Applicant: Q-SPINE, LLCInventor: Martin Quirno