Patents by Inventor Miquelangelo J. Perez-Cruet

Miquelangelo J. Perez-Cruet 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).

  • Patent number: 8690920
    Abstract: An interspinous process spacer insertion device that positions an interspinous process spacer between the spinous process of adjacent vertebrae in a minimally invasive percutaneous surgical procedure. The device includes a trocar rod that extends through a cannulated sleeve. The spacer is attached to the end of the cannulated sleeve, where a trocar tip of the trocar rod extends through the spacer. The trocar rod is moved through the cannulated sleeve and an incision in the patient, and is positioned between the spinous process of the vertebra to align the device. The cannulated sleeve is then moved down the trocar rod so that the spacer slides between the spinous process, and the trocar rod is then withdrawn from the patient. The spacer is then rotated so that it locks behind the spinous process, and the cannulated sleeve is detached from the spacer and removed from the patient.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: April 8, 2014
    Assignee: Mi4Spine, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Publication number: 20110093013
    Abstract: An interspinous process spacer insertion device that positions an interspinous process spacer between the spinous process of adjacent vertebrae in a minimally invasive percutaneous surgical procedure. The device includes a trocar rod that extends through a cannulated sleeve. The spacer is attached to the end of the cannulated sleeve, where a trocar tip of the trocar rod extends through the spacer. The trocar rod is moved through the cannulated sleeve and an incision in the patient, and is positioned between the spinous process of the vertebra to align the device. The cannulated sleeve is then moved down the trocar rod so that the spacer slides between the spinous process, and the trocar rod is then withdrawn from the patient. The spacer is then rotated so that it locks behind the spinous process, and the cannulated sleeve is detached from the spacer and removed from the patient.
    Type: Application
    Filed: December 22, 2010
    Publication date: April 21, 2011
    Applicant: MI4SPINE, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Publication number: 20110046743
    Abstract: An interbody device that restores the disc space height between two vertebrae during spinal fusion surgery. The device includes a center plate surrounded by a perimeter portion that combine to have a relatively flat configuration in one dimension and relatively wide configuration in a perpendicular dimension. After the disc space has been cleared, the device is inserted into the disc space in a direction so that the wide dimension of the device is substantially parallel to the body of the vertebrae. The device is then rotated so that the wide dimension of the device becomes perpendicular to the vertebral body so as to cause the disc space height to be restored. Bone graft material is then introduced through a fill tube coupled to the device so that the bone graft material is distributed on both sides of the center plate and into the disc space.
    Type: Application
    Filed: November 1, 2010
    Publication date: February 24, 2011
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Patent number: 7892265
    Abstract: A surgical screw that includes a body portion that facilitates bone in-growth from a bone in which the screw is mounted so as to stabilize the screw in the bone. The body portion can have various configurations for facilitating bone in-growth, such as indentations, a roughened surface, such as by acid etching or abrasive media blasting, specialized coatings, such as hydroxyapetite, sintered beads, machined channels, etc. Because the body portion of the screw facilitates bone growth, the screw will be more firmly mounted to the bone so as to have a greater integrity in response to movement of the bone. The type of surgical screw can be any surgical screw that will benefit from being better anchored in bone, such as pedicle screws, long bone screws, cervical fusion screws, tendon anchoring screws, etc.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: February 22, 2011
    Assignee: Mi4spine, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Patent number: 7879039
    Abstract: An interspinous process spacer insertion device that positions an interspinous process spacer between the spinous process of adjacent vertebrae in a minimally invasive percutaneous surgical procedure. The device includes a trocar rod that extends through a cannulated sleeve. The spacer is attached to the end of the cannulated sleeve, where a trocar tip of the trocar rod extends through the spacer. The trocar rod is moved through the cannulated sleeve and an incision in the patient, and is positioned between the spinous process of the vertebra to align the device. The cannulated sleeve is then moved down the trocar rod so that the spacer slides between the spinous process, and the trocar rod is then withdrawn from the patient. The spacer is then rotated so that it locks behind the spinous process, and the cannulated sleeve is detached from the spacer and removed from the patient.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: February 1, 2011
    Assignee: MI4Spine, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Patent number: 7824427
    Abstract: An interbody device that restores the disc space height between two vertebrae during spinal fusion surgery. The device includes a center plate surrounded by a perimeter portion that combine to have a relatively flat configuration in one dimension and relatively wide configuration in a perpendicular dimension. After the disc space has been cleared, the device is inserted into the disc space in a direction so that the wide dimension of the device is substantially parallel to the body of the vertebrae. The device is then rotated so that the wide dimension of the device becomes perpendicular to the vertebral body so as to cause the disc space height to be restored. Bone graft material is then introduced through a fill tube coupled to the device so that the bone graft material is distributed on both sides of the center plate and into the disc space.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: November 2, 2010
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Patent number: 7803159
    Abstract: A disc space preparation device that has particular application for removing disc material during spinal fusion surgery. The disc preparation device includes a body portion that houses a motor having a shaft attached thereto that is rotated by the motor. The shaft extends through a chamber in a neck portion of the device and into an open head portion of the device at the end of the neck portion opposite to the housing. The head portion rotates relative to the neck portion. The head portion includes a series of blades that are used to cut-away the disc material. The shaft includes an auger that draws the cut material through the neck portion. A suction port is coupled to the chamber in the neck portion to remove the disc material therefrom.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: September 28, 2010
    Assignee: MI4Spine, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Patent number: 7744631
    Abstract: A method for providing vertebral disc annular fibrosis tensioning and lengthening that restores the loss of disc height and provides disc regeneration. In one non-limiting embodiment, the method includes inserting pedicle screws into the vertebral bodies of adjacent vertebra and positioning a spring in compression between and in contact with the pedicle screws so that the spring bias forces the pedicle screws apart to provide a distractive force that increases the height of the disc space and promotes the disc regeneration.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: June 29, 2010
    Assignee: MI4SPINE, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Patent number: 7666211
    Abstract: A vertebral disc annular fibrosis tensioning and lengthening device that restores the loss of disc height as a result of disc degeneration and other factors. The vertebral disc annular fibrosis tensioning and lengthening device includes pedicle screws having heads with cup-shaped cavities. The pedicle screws are threaded into the vertebral bodies of adjacent vertebrae through the pedicles so that open parts of the heads of the pedicle screws face each other. A spring is inserted into the cup-shaped cavities in compression so that the spring bias forces the pedicle screws apart, thus increasing the height of the disc space.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: February 23, 2010
    Assignee: MI4SPINE, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Publication number: 20080177331
    Abstract: A surgical screw that includes a body portion that facilitates bone in-growth from a bone in which the screw is mounted so as to stabilize the screw in the bone. The body portion can have various configurations for facilitating bone in-growth, such as indentations, a roughened surface, such as by acid etching or abrasive media blasting, specialized coatings, such as hydroxyapetite, sintered beads, machined channels, etc. Because the body portion of the screw facilitates bone growth, the screw will be more firmly mounted to the bone so as to have a greater integrity in response to movement of the bone. The type of surgical screw can be any surgical screw that will benefit from being better anchored in bone, such as pedicle screws, long bone screws, cervical fusion screws, tendon anchoring screws, etc.
    Type: Application
    Filed: February 27, 2007
    Publication date: July 24, 2008
    Applicant: MI4SPINE, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Publication number: 20080177328
    Abstract: A method for providing vertebral disc annular fibrosis tensioning and lengthening that restores the loss of disc height and provides disc regeneration. In one non-limiting embodiment, the method includes inserting pedicle screws into the vertebral bodies of adjacent vertebra and positioning a spring in compression between and in contact with the pedicle screws so that the spring bias forces the pedicle screws apart to provide a distractive force that increases the height of the disc space and promotes the disc regeneration.
    Type: Application
    Filed: February 27, 2007
    Publication date: July 24, 2008
    Applicant: MI4SPINE, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Publication number: 20080172127
    Abstract: An interbody device that restores the disc space height between two vertebrae during spinal fusion surgery. The device includes a center plate surrounded by a perimeter portion that combine to have a relatively flat configuration in one dimension and relatively wide configuration in a perpendicular dimension. After the disc space has been cleared, the device is inserted into the disc space in a direction so that the wide dimension of the device is substantially parallel to the body of the vertebrae. The device is then rotated so that the wide dimension of the device becomes perpendicular to the vertebral body so as to cause the disc space height to be restored. Bone graft material is then introduced through a fill tube coupled to the device so that the bone graft material is distributed on both sides of the center plate and into the disc space.
    Type: Application
    Filed: January 16, 2007
    Publication date: July 17, 2008
    Applicant: MI4SPINE, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Publication number: 20080161931
    Abstract: A vertebral disc annular fibrosis tensioning and lengthening device that restores the loss of disc height as a result of disc degeneration and other factors. The vertebral disc annular fibrosis tensioning and lengthening device includes pedicle screws having heads with cup-shaped cavities. The pedicle screws are threaded into the vertebral bodies of adjacent vertebrae through the pedicles so that open parts of the heads of the pedicle screws face each other. A spring is inserted into the cup-shaped cavities in compression so that the spring bias forces the pedicle screws apart, thus increasing the height of the disc space.
    Type: Application
    Filed: December 28, 2006
    Publication date: July 3, 2008
    Applicant: MI4SPINE, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Publication number: 20080161822
    Abstract: An interspinous process spacer insertion device that positions an interspinous process spacer between the spinous process of adjacent vertebrae in a minimally invasive percutaneous surgical procedure. The device includes a trocar rod that extends through a cannulated sleeve. The spacer is attached to the end of the cannulated sleeve, where a trocar tip of the trocar rod extends through the spacer. The trocar rod is moved through the cannulated sleeve and an incision in the patient, and is positioned between the spinous process of the vertebra to align the device. The cannulated sleeve is then moved down the trocar rod so that the spacer slides between the spinous process, and the trocar rod is then withdrawn from the patient. The spacer is then rotated so that it locks behind the spinous process, and the cannulated sleeve is detached from the spacer and removed from the patient.
    Type: Application
    Filed: December 28, 2006
    Publication date: July 3, 2008
    Applicant: MI4SPINE, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller
  • Publication number: 20080140132
    Abstract: A pedicle screw and rod system for minimally invasive spinal fusion surgery that allows for ease of placement of a fusion rod on the heads of pedicle screws. The system includes extender tubes having a bore extending therethrough. The bore includes a cylindrical portion and a key portion. A slot is formed in the tube along the length of the tube and is open to the bore. The pedicle screws are threaded into the vertebra and the extender tubes are coupled to the heads of the screws so that the slots face each other. The rod is positioned in the slots and is slid down the bores to be coupled to the heads of the pedicle screws. Bolts are slid down the tubes and threaded to the heads of the pedicle screws to secure the rod thereto, and the extender tubes are removed.
    Type: Application
    Filed: December 7, 2006
    Publication date: June 12, 2008
    Applicant: MI4SPINE, LLC
    Inventor: Miquelangelo J. Perez-Cruet
  • Publication number: 20080125783
    Abstract: A disc space preparation device that has particular application for removing disc material during spinal fusion surgery. The disc preparation device includes a body portion that houses a motor having a shaft attached thereto that is rotated by the motor. The shaft extends through a chamber in a neck portion of the device and into an open head portion of the device at the end of the neck portion opposite to the housing. The head portion rotates relative to the neck portion. The head portion includes a series of blades that are used to cut-away the disc material. The shaft includes an auger that draws the cut material through the neck portion. A suction port is coupled to the chamber in the neck portion to remove the disc material therefrom.
    Type: Application
    Filed: November 29, 2006
    Publication date: May 29, 2008
    Applicant: MI4SPINE, LLC
    Inventors: Miquelangelo J. Perez-Cruet, John R. Pepper, John A. Miller