| MI4SPINE, LLC Patent applications |
| Patent application number | Title | Published |
|---|
| 20120123483 | METHOD FOR PLACEMENT OF A PEDICLE SCREW AND ROD SYSTEM - A method for placement of a pedicle screw and rod system that has particular application for spinal fusion surgery. The system includes pedicle screws having ball-shaped heads that are threaded through pedicles of adjacent vertebra into the vertebral body. The system also includes two cannulated posts having a head portion with a planar portion and an opening for accepting the head of the pedicle screw in a secure and multi-axial engagement. The system further includes a tube portion that is coupled to the head portion and extends above the patient's skin. The system also includes a lordotic slotted rod that is slid down the tube portions to be positioned on top of the head portions of the posts so that the planar portions are locked within the slot. Bolts are then slid down the tube portions and are threaded to a threaded portion on the planar portion. | 05-17-2012 |
| 20120123476 | CERVICAL FUSION PLATE - A fusion plate that comprises a plate body including extended portions at one end of the plate body with a slot therebetween and extended portions at an opposite end of the plate body with a slot therebetween. The fusion plate further comprises a first pair of holes in the plate body and a second pair of holes in the plate body. The fusion plate also comprises a first locking member slideably engageable to the plate body and being operable to slide over the first pair of holes and a second locking member slideably engageable to the plate body and being operable to slide over the second pair of holes. | 05-17-2012 |
| 20120078059 | MINIMALLY INVASIVE SUCTION RETRACTOR - A suction retractor including an elongated tube that is operable to be inserted through a tubular retractor used in minimally invasive surgical procedures. One end of the tube is coupled to a handle having a chamber and the other end of the tube is coupled to a curved retractor portion, where the retractor portion allows the surgeon to hold back various anatomies during the surgical procedure. Thus, the suction retractor provides two functions that may otherwise require two different instruments. The retractor portion includes a series of parallel groves that allow liquids, such as blood, to flow along the retractor portion and into a suction port at the end of the tube. A suction device can be coupled to an outlet port in the handle that causes the blood and other surgical material to be sucked through the tube and out of the handle. | 03-29-2012 |
| 20120071931 | METHOD FOR SURGICALLY ATTACHING A VERTEBRAL LAMINAR RECONSTRUCTIVE PLATE - A method for attaching a laminar plate to a vertebra during spinal surgery, especially minimally invasive spinal surgery, to reconstruct the lamina of the vertebra after it has been removed during the surgery and prevent bone re-growth material from entering the spinal canal. The laminar plate can be coupled to, or proximate to, and between a facet and the spinous process by screwing the plate to the bone. | 03-22-2012 |
| 20120071923 | MINIMALLY INVASIVE VERTEBRAL LAMINAR RECONSTRUCTIVE PLATE - A laminar plate that reconstructs or supports the lamina of a vertebra after lamina bone has been removed during spinal surgery and prevents bone growth material from entering the spinal canal. The laminar plate spans a gap from the removed lamina bone and is coupled to, or proximate to, and between a facet and the spinous process by screwing the plate to the bone. | 03-22-2012 |
| 20110190788 | ROBOTIC SURGICAL DEVICE IMPLANT SYSTEM - A robotic surgical device positioning system that allows a surgeon to accurately and remotely position a surgical instrument relative to a patient and to provide fluoroscopic images of the instrument without exposing the surgeon to radiation. The system includes a vertical post that is slidebly coupled to an operating table, a clamp mounted to the vertical post and spaced from the table, and a translational arm mounted to the clamp. The system further includes an instrument positioning assembly mounted to the translational arm opposite to the clamp that includes a plurality of sliding elements that are slidebly mounted to the assembly to provide rotational, anterior-posterior and medial-lateral positioning of the surgical instrument. A control unit is mechanically coupled to the instrument positioning assembly at a remote location by flexible cables for controlling the position of the sliding elements. | 08-04-2011 |
| 20110118794 | SELF DISTRACTING PEDICLE SCREW DISTRACTION DEVICE - A pedicle screw distraction device that includes first and second pedicle screws each including a screw body portion and a ball head. The device also includes first and second screw head portions each including an internal threaded bore where the first screw is inserted in the first screw head portion and the second screw is inserted in the second screw head portion. The device also includes a connector link coupled to the first and second screw head portions where the connector link includes an outer perimeter portion having a slot therein. A spring member is positioned within the connector link between and in contact with the first and second screw head portions. A locking member including a plate and a separating portion is positioned between the screw head portions and an inside wall of the connector link where the separating portion is positioned between the screw head portions. | 05-19-2011 |
| 20110093013 | INTERSPINOUS PROCESS SPACER INSERTION DEVICE - 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. | 04-21-2011 |
| 20110004226 | AXIAL NEEDLE AND SUTURE DELIVERY DEVICE AND METHOD - A needle delivery device that has particular application for providing needles for minimally invasive spinal surgical procedures. The device includes an elongated pincher having opposing rails that is slidable within a channel defined in an extended base portion. Widened end portions of the rails hold the needle and push it out of an end of the device where it is released. The pincher is then retracted to a location where the end portions can pick up a next needle to be delivered. | 01-06-2011 |
| 20100222817 | INTERSPINOUS PROCESS SPACER DEVICE INCLUDING A ROTATABLE RETAINING MEMBER - A spacer device that is to be inserted between the spinous process of adjacent vertebrae. In one embodiment, the spacer device is percutaneously inserted between the spinous process of adjacent vertebrae using minimally invasive surgical procedures. The spacer device includes a body portion having a channel extending therethrough, a plate member attached at one end of the body portion that is larger cross-wise than the body portion, and at least one retaining member attached proximate to an opposite end of the body portion from the plate member. The spacer device is inserted between the spinous process with the retaining member stored within the body portion. A deploying device is inserted into the channel to deploy the retaining member to lock the spacer device in place. | 09-02-2010 |
| 20090143863 | METHOD FOR DISC REGENERATION USING STEM CELL DERIVED CHONDROPROGENITORS - A method for restoring a degenerated intervertebral disc. The method includes preparing a material including embryonic stem cells, placing the material in the degenerated disc and causing the material to generate notochordal cells in the disc to regenerate the disc. Preparing the material includes differentiating the embryonic stem cells into chondroprogenitors. | 06-04-2009 |
| 20080287994 | Pedicle Screw and Rod System - A pedicle screw and rod system that has particular application for spinal fusion surgery. The system includes pedicle screws having ball-shaped heads that are threaded through pedicles of adjacent vertebra into the vertebral body. The system also includes two cannulated posts having a head portion with a planar portion and an opening for accepting the head of the pedicle screw in a secure and multi-axial engagement. The system further includes a tube portion that is coupled to the head portion and extends above the patient's skin. The system also includes a lordotic slotted rod that is slid down the tube portions to be positioned on top of the head portions of the posts so that the planar portions are locked within the slot. Bolts are then slid down the tube portions and are threaded to a threaded portion on the planar portion. | 11-20-2008 |
| 20080269567 | SURGICAL ACCESS DEVICE ASSEMBLY - A surgical access device assembly that allows access to a pathology being treated while significantly reducing the risk of damaging anatomical structures proximate the pathology. The access device assembly includes a base portion having a central bore extending therethrough, and retractor blades pivotably mounted to the base portion. An insertion handle is coupled to the base portion to thread the retractor blades into the patient. The insertion handle is removed from the base portion, and a core hollow screw is threaded into the base portion to separate the retractor blades to gain access to the pathology through the hollow screw. | 10-30-2008 |
