Patents by Inventor Arvin Chang
Arvin Chang 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).
-
Publication number: 20160183994Abstract: A system for moving a portion of a patient's body including a housing having a first cavity extending along a longitudinal axis, a first distraction rod having a proximal end and a distal end, the first distraction rod and the housing being telescopically displaceable with respect to each other along the longitudinal axis, the first distraction rod having a cavity extending along the longitudinal axis, a second distraction rod having a proximal end and a distal end and configured to be telescopically displaceable from within the second cavity along the longitudinal axis, and a drive system configured to move the first distraction rod in relation to the housing and to move the second distraction rod in relation to the first distraction rod.Type: ApplicationFiled: December 28, 2015Publication date: June 30, 2016Inventors: Ricky Trieu Quach, Arvin Chang, Alan J. Arena, Adam G. Beckett
-
Publication number: 20160100864Abstract: A method of positioning an external adjustment device relative to a patient includes placing a magnetic viewing sheet adjacent to a patient and identifying the location of an implanted magnetic assembly using the magnetic viewing sheet by visualizing a magnetic image of the implanted magnetic assembly in the magnetic viewing sheet. The external adjustment device is placed on the patient adjacent to the location where the magnetic image was located.Type: ApplicationFiled: October 16, 2015Publication date: April 14, 2016Inventors: Scott Pool, Blair Walker, Arvin Chang
-
Publication number: 20160100863Abstract: A distraction system includes a distraction rod having one end configured for affixation to at a first location on patient. The system further includes an adjustable portion configured for placement in the patient at a second location, the adjustable portion comprising a housing containing a magnetic assembly comprising a magnet, the magnetic assembly secured to a threaded element that interfaces with an opposing end of the distraction rod. The system includes a magnetically permeable member in proximity to the magnetic assembly and covering an arc of less that 360° of the adjustable portion.Type: ApplicationFiled: October 14, 2015Publication date: April 14, 2016Inventors: Scott Pool, Arvin Chang
-
Patent number: 9271781Abstract: A method of treating scoliosis in a subject includes securing a scoliosis treatment device to first and second locations on the subject's skeletal system, the scoliosis treatment device including a first portion, a second portion moveably mounted relative to the first portion, and an adjustment device disposed on the device and configured to change a distraction force between the first location and the second location, the adjustment device including a rotationally mounted magnetic element configured to move the second portion relative to the first portion in response to rotation of the magnetic element. An external adjustment device is provided external to the subject and is able to adjust the distraction force between the first location and second location.Type: GrantFiled: March 22, 2013Date of Patent: March 1, 2016Assignee: Ellipse Technologies, Inc.Inventors: Blair Walker, Scott Pool, Jay R. McCoy, Arvin Chang
-
Patent number: 9271857Abstract: A system includes an adjustable implant configured for implantation internally within a subject and includes a permanent magnet configured for rotation about an axis of rotation, the permanent magnet operatively coupled to a drive transmission configured to alter a dimension of the adjustable implant. The system includes an external adjustment device configured for placement on or adjacent to the skin of the subject having at least one magnet configured for rotation, the external adjustment device further comprising a motor configured to rotate the at least one magnet and an encoder. Rotation of the at least one magnet of the external adjustment device effectuates rotational movement of the permanent magnet of the adjustable implant and alters the dimension of the adjustable implant. Drive control circuitry is configured to receive an input signal from the encoder.Type: GrantFiled: March 25, 2015Date of Patent: March 1, 2016Assignee: Ellipse Technologies, Inc.Inventors: Scott Pool, Blair Walker, Jay R. McCoy, Peter P. Tran, Richard L. Quick, Shahram Moaddeb, Arvin Chang
-
Publication number: 20160038324Abstract: A system includes an adjustable implant configured for implantation internally within a subject and includes a permanent magnet configured for rotation about an axis of rotation, the permanent magnet operatively coupled to a drive transmission configured to alter a dimension of the adjustable implant. The system includes an external adjustment device configured for placement on or adjacent to the skin of the subject having at least one magnet configured for rotation, the external adjustment device further comprising a motor configured to rotate the at least one magnet and an encoder. Rotation of the at least one magnet of the external adjustment device effectuates rotational movement of the permanent magnet of the adjustable implant and alters the dimension of the adjustable implant. Drive control circuitry is configured to receive an input signal from the encoder.Type: ApplicationFiled: October 22, 2015Publication date: February 11, 2016Inventors: Scott Pool, Blair Walker, Jay R. McCoy, Peter P. Tran, Richard L. Quick, Shahram Moaddeb, Arvin Chang
-
Publication number: 20160030089Abstract: A method of Creating scoliosis in a subject includes securing a scoliosis treatment, device to first and second locations on the subject's skeletal system, the scoliosis treatment device including a first portion, a second portion moveably mounted relative to the first portion, and an adjustment device disposed on the device and configured to change a distraction, force between the first location and the second location, the adjustment device including a rotationally mounted magnetic element configured to move the second portion relative to the first portion in response to rotation of the magnetic element. An external adjustment device is provided external to the subject and is able to adjust the distraction force between the first location and second location.Type: ApplicationFiled: October 12, 2015Publication date: February 4, 2016Inventors: Blair Walker, Scott Pool, Jay R. McCoy, Arvin Chang
-
Patent number: 9248043Abstract: An external adjustment device includes at least one permanent magnet configured for rotation about an axis with a first handle extending linearly at a first end of the device and a second handle at a second end of the device, the second handle extending in a direction substantially off axis to the first handle. The external adjustment device further includes a motor mounted inside the first handle and a first button located in the proximity to one of the first handle or the second handle, the first button configured to be operated by the thumb of a hand that grips the one of the first handle or second handle. The first button is configured to actuate the motor causing the at least one permanent magnet to rotate about the axis in a first direction.Type: GrantFiled: June 29, 2011Date of Patent: February 2, 2016Assignee: Ellipse Technologies, Inc.Inventors: Timothy John Payne, Kevin Oberkramer, Scott Pool, Arvin Chang
-
Publication number: 20160008032Abstract: According to some embodiments, systems and methods of ultrasonic detection of implantable medical device distraction are provided. The system includes a first elongate member and a second elongate member. The first elongate member has a first end that is configured to be attached to a first location on the skeletal system of a subject, a second end, and at least one landmark identifiable using ultrasound. The second elongate member has a first end that is movably coupled to the second end of the first elongate member, a second end configured to be attached to a second location on the skeletal system, and at least one landmark identifiable using ultrasound.Type: ApplicationFiled: September 23, 2015Publication date: January 14, 2016Inventors: Arvin Chang, Scott Pool
-
Patent number: 9192411Abstract: A method of positioning an external adjustment device relative to a patient includes placing a magnetic viewing sheet adjacent to a patient and identifying the location of an implanted magnetic assembly using the magnetic viewing sheet by visualizing a magnetic image of the implanted magnetic assembly in the magnetic viewing sheet. The external adjustment device is placed on the patient adjacent to the location where the magnetic image was located.Type: GrantFiled: January 22, 2013Date of Patent: November 24, 2015Assignee: Ellipse Technologies, Inc.Inventors: Scott Pool, Blair Walker, Arvin Chang
-
Patent number: 9186183Abstract: A distraction system includes a distraction rod having one end configured for affixation to at a first location on patient. The system further includes an adjustable portion configured for placement in the patient at a second location, the adjustable portion comprising a housing containing a magnetic assembly comprising a magnet, the magnetic assembly secured to a threaded element that interfaces with an opposing end of the distraction rod. The system includes a magnetically permeable member in proximity to the magnetic assembly and covering an arc of less than 360° of the adjustable portion.Type: GrantFiled: April 10, 2014Date of Patent: November 17, 2015Assignee: Ellipse Technologies, Inc.Inventors: Scott Pool, Arvin Chang
-
Patent number: 9179938Abstract: A method of assembling a system for manipulating the skeletal system includes obtaining a monolithic member having opposing ends, one end including a housing having an axially extending cavity. A distraction rod is obtained that has opposing ends, a first end having an inner threaded cavity. A rotatable, radially poled magnet is rotationally coupled to a lead screw having threads. The threads of the lead screw are engaged with the threaded cavity of the distraction rod. The magnet and at least a portion of the first end of the distraction rod are inserted into the axially extending cavity such that the distraction rod and the monolithic member are in coaxial relation to one another. The magnet is axially locked in relation to the monolithic member, wherein the axially locked magnet is capable of rotation. The distraction rod is rotationally locked in relation to the monolithic member.Type: GrantFiled: March 8, 2013Date of Patent: November 10, 2015Assignee: Ellipse Technologies, Inc.Inventors: Scott Pool, Arvin Chang
-
Patent number: 9179960Abstract: A method of treating scoliosis in a subject includes securing a scoliosis treatment device to first and second locations on the subject's skeletal system, the scoliosis treatment device including a first portion, a second portion moveably mounted relative to the first portion, and an adjustment device disposed on the device and configured to change a distraction force between the first location and the second location, the adjustment device including a rotationally mounted magnetic element configured to move the second portion relative to the first portion in response to rotation of the magnetic element. An external adjustment device is provided external to the subject and is able to adjust the distraction force between the first location and second location.Type: GrantFiled: February 23, 2015Date of Patent: November 10, 2015Assignee: Ellipse Technologies, Inc.Inventors: Blair Walker, Scott Pool, Jay R. McCoy, Arvin Chang
-
Publication number: 20150196409Abstract: A system includes an adjustable implant configured for implantation internally within a subject and includes a permanent magnet configured for rotation about an axis of rotation, the permanent magnet operatively coupled to a drive transmission configured to alter a dimension of the adjustable implant. The system includes an external adjustment device configured for placement on or adjacent to the skin of the subject having at least one magnet configured for rotation, the external adjustment device further comprising a motor configured to rotate the at least one magnet and an encoder. Rotation of the at least one magnet of the external adjustment device effectuates rotational movement of the permanent magnet of the adjustable implant and alters the dimension of the adjustable implant. Drive control circuitry is configured to receive an input signal from the encoder.Type: ApplicationFiled: March 25, 2015Publication date: July 16, 2015Inventors: Scott Pool, Blair Walker, Jay R. McCoy, Peter P. Tran, Richard L. Quick, Shahram Moaddeb, Arvin Chang
-
Publication number: 20150173820Abstract: A method of treating scoliosis in a subject includes securing a scoliosis treatment device to first and second locations on the subject's skeletal system, the scoliosis treatment device including a first portion, a second portion moveably mounted relative to the first portion, and an adjustment device disposed on the device and configured to change a distraction force between the first location and the second location, the adjustment device including a rotationally mounted magnetic element configured to move the second portion relative to the first portion in response to rotation of the magnetic element. An external adjustment device is provided external to the subject and is able to adjust the distraction force between the first location and second location.Type: ApplicationFiled: February 23, 2015Publication date: June 25, 2015Inventors: Blair Walker, Scott Pool, Jay R. McCoy, Arvin Chang
-
Publication number: 20150011860Abstract: A system includes an adjustable implant configured for implantation internally within a subject and includes a permanent magnet configured for rotation about an axis of rotation, the permanent magnet operatively coupled to a drive transmission configured to alter a dimension of the adjustable implant. The system includes an external adjustment device configured for placement on or adjacent to the skin of the subject having at least one magnet configured for rotation, the external adjustment device further comprising a motor configured to rotate the at least one magnet and an encoder. Rotation of the at least one magnet of the external adjustment device effectuates rotational movement of the permanent magnet of the adjustable implant and alters the dimension of the adjustable implant. Drive control circuitry is configured to receive an input signal from the encoder.Type: ApplicationFiled: July 10, 2014Publication date: January 8, 2015Inventors: Scott Pool, Blair Walker, Jay R. McCoy, Peter P. Tran, Richard L. Quick, Shahram Moaddeb, Arvin Chang
-
Publication number: 20140364913Abstract: A system includes a first pedicle screw, a second pedicle screw, and an adjustable rod having an outer housing coupled to one of the first pedicle screw and the second pedicle screw, the outer housing having a threaded shaft secured to one end thereof extending along an interior portion thereof. The system further includes a hollow magnetic assembly disposed within the outer housing and having a magnetic element disposed therein, the hollow magnetic assembly having an internal threaded surface engaged with the threaded shaft, the magnetic assembly being coupled to the other of the first pedicle screw and the second pedicle screw, wherein the hollow magnetic assembly rotates in response to an externally applied magnetic field to thereby lengthen or shorten the distance between the first pedicle screw and the second pedicle screw.Type: ApplicationFiled: August 1, 2014Publication date: December 11, 2014Inventors: Brad Culbert, Scott Pool, Blair Walker, Arvin Chang, Peter P. Tran
-
Publication number: 20140364915Abstract: A system includes a first pedicle screw, a second pedicle screw, and an adjustable rod having an outer housing coupled to one of the first pedicle screw and the second pedicle screw, the outer housing having a threaded shaft secured to one end thereof extending along an interior portion thereof. The system further includes a hollow magnetic assembly disposed within the outer housing and having a magnetic element disposed therein, the hollow magnetic assembly having an internal threaded surface engaged with the threaded shaft, the magnetic assembly being coupled to the other of the first pedicle screw and the second pedicle screw, wherein the hollow magnetic assembly rotates in response to an externally applied magnetic field to thereby lengthen or shorten the distance between the first pedicle screw and the second pedicle screw.Type: ApplicationFiled: October 31, 2012Publication date: December 11, 2014Applicant: ELLIPSE TECHNOLOGIES, INC.Inventors: Brad Culbert, Scott Pool, Blair Walker, Arvin Chang, Peter P. Tran
-
Publication number: 20140296919Abstract: A system includes a first pedicle screw, a second pedicle screw, and an adjustable rod having an outer housing coupled to one of the first pedicle screw and the second pedicle screw, the outer housing having a threaded shaft secured to one end thereof extending along an interior portion thereof. The system further includes a hollow magnetic assembly disposed within the outer housing and having a magnetic element disposed therein, the hollow magnetic assembly having an internal threaded surface engaged with the threaded shaft, the magnetic assembly being coupled to the other of the first pedicle screw and the second pedicle screw, wherein the hollow magnetic assembly rotates in response to an externally applied magnetic field to thereby lengthen or shorten the distance between the first pedicle screw and the second pedicle screw.Type: ApplicationFiled: June 10, 2014Publication date: October 2, 2014Inventors: Brad Culbert, Scott Pool, Blair Walker, Arvin Chang, Peter P. Tran
-
Publication number: 20140250674Abstract: A method of assembling a system for manipulating the skeletal system includes obtaining a monolithic member having opposing ends, one end including a housing having an axially extending cavity. A distraction rod is obtained that has opposing ends, a first end having an inner threaded cavity. A rotatable, radially poled magnet is rotationally coupled to a lead screw having threads. The threads of the lead screw are engaged with the threaded cavity of the distraction rod. The magnet and at least a portion of the first end of the distraction rod are inserted into the axially extending cavity such that the distraction rod and the monolithic member are in coaxial relation to one another. The magnet is axially locked in relation to the monolithic member, wherein the axially locked magnet is capable of rotation. The distraction rod is rotationally locked in relation to the monolithic member.Type: ApplicationFiled: March 8, 2013Publication date: September 11, 2014Inventors: Scott Pool, Arvin Chang