Patent application number | Description | Published |
20110152948 | TRIPLE LEAD BONE SCREW - A pedicle screw assembly, including: a bone screw having a head portion and a thread portion, wherein the thread portion includes an axial shaft and a triple lead thread disposed about the axial shaft; and a rod retention member selectively coupled to the head portion of the bone screw. Optionally, the triple lead thread includes leads that originate at different points along the axial shaft. Optionally, the triple lead thread includes leads that terminate at different points along the axial shaft. Optionally, the axial shaft includes a first tapering portion proximate a tip of the axial shaft. Optionally, the axial shaft includes a second tapering portion proximate the tip of the axial shaft. Preferably, the second tapering portion tapers more steeply than the first tapering portion. Optionally, the axial shaft includes a reduced diameter portion proximate the head portion. Optionally, the axial shaft includes one or more tapering portions proximate the head portion. | 06-23-2011 |
20130253596 | TRIPLE LEAD BONE SCREW - Pedicle screw assemblies and related bone screws. In some embodiments, the bone screw may comprise a head portion and an axial shaft. The axial shaft may comprise a threaded portion comprising a triple lead thread disposed about the axial shaft. The axial shaft may further comprise a tapering portion and a non-tapering portion. The tapering portion may comprise multiple tapering portions tapering at differing rates, and may be positioned adjacent to a tip of the axial shaft. Each of the three leads may extend coextensively along at least a majority of the length of the axial shaft, the threaded portion, the tapering portion, and/or the non-tapering portion. | 09-26-2013 |
20130338717 | MONOAXIAL AND POLYAXIAL PEDICLE SCREWS AND RELATED METHODS - Methods for installing bone anchors, such as pedicle screws or other surgical screws. In some implementations, the surgical screw may be coupled with a connection member, such as a tulip assembly, configured to couple the surgical screw with a stabilization member, such as a spinal fixation rod. The connection member may be initially coupled with the surgical screw in a polyaxial configuration, after which the connection member may be secured to the surgical screw in a monoaxial configuration. The stabilization member may then be coupled and secured with the connection member such that the stabilization member cannot move relative to the connection member. In some implementations, the stabilization member may be locked or secured to the connection member after the connection member has been secured to the surgical screw in a monoaxial configuration. | 12-19-2013 |
Patent application number | Description | Published |
20130068769 | LIDDING STRUCTURE BASED ON POLYLACTIC ACID FILM - Described is a multi-layer film suitable as sealable or peelable sheet specially used for closing foodstuff containers. This multi-layer sheet includes a polymeric substrate layer and a seal or a peel-seal layer. Preferably, the film includes at least three main component layers, namely in order, a polymeric base layer for mechanical strength, an ethylene polymer-based adhesive layer, and a heat seal layer comprising an ethylene copolymer, such as ethylene vinyl acetate copolymer. | 03-21-2013 |
20130309430 | POLYESTER CEREAL LINER WITH ZERO MIGRATION - Peelable extrusion coated barrier films including a polyester containing layer, and methods of making and using peelable extrusion coated plastic films having a polyester containing layer. One embodiment is a barrier film including a base film layer including polyester, and an extrusion coated peelable heat seal layer including polyethylene. | 11-21-2013 |
20140065398 | BIAXIALLY ORIENTED BIO-BASED POLYOLEFIN FILM THAT HAS BEEN EXTRUSION COATED WITH BIO-BASED SEALANT FOR LIDDING APPLICATIONS - A lidding film including a polyester film including a bio-based polyester, and an extrusion coated heat seal layer including a bio-based polymer. The polyester film may include a biaxially oriented core layer including bio-based polyester and an amorphous copolyester skin layer. The heat seal layer may include a low density polyethylene. | 03-06-2014 |
Patent application number | Description | Published |
20080243117 | SYSTEMS AND METHODS FOR ELECTROSURGICAL PREVENTION OF DISC HERNIATIONS - The present invention provides systems and methods for selectively applying electrical energy to a target location within a patient's body, particularly including tissue in the spine. The present invention applies high frequency (RF) electrical energy to one or more electrode terminals in the presence of electrically conductive fluid or saline-rich tissue to contract collagen fibers within the tissue structures. In one aspect of the invention, a system and method is provided for contracting a portion of the nucleus pulposus of a vertebral disc by applying a high frequency voltage between an active electrode and a return electrode within the portion of the nucleus pulposus, where contraction of the portion of nucleus pulposus inhibits migration of the portion nucleus pulposus through the fissure. | 10-02-2008 |
20100293713 | PATIENT-ROTATION SYSTEM WITH CENTER-OF- GRAVITY ASSEMBLY - A system for turning a person from a supine position to a prone position and vice versa includes opposing patient support platens each coupled to a corresponding end of a first and a second COG assembly, the first and second COG assemblies each coupled to a corresponding one of a pair of spindles, each one of the spindles disposed on a corresponding lift column. Embodiments described herein provide for an axis of rotation that is adjustable with respect to the plane of either an upper or lower support platen. Embodiments provide for adjusting the separation distance between the axis of rotation and the center of gravity defined by the combination of the person and the supporting platens. | 11-25-2010 |
20100324553 | SYSTEMS AND METHODS FOR ELECTROSURGICAL INTERVERTEBRAL DISC REPLACEMENT - The present invention provides systems and methods for selectively applying electrical energy to a target location within a patient's body, particularly including tissue in the spine. The present invention applies high frequency (RF) electrical energy to one or more electrode terminals in the presence of electrically conductive fluid or saline-rich tissue to contract collagen fibers within the tissue structures. In one aspect of the invention, a system and method is provided for contracting a portion of the nucleus pulposus of a vertebral disc by applying a high frequency voltage between an active electrode and a return electrode within the portion of the nucleus pulposus, where contraction of the portion of nucleus pulposus inhibits migration of the portion nucleus pulposus through the fissure. | 12-23-2010 |
20110083273 | Apparatuses For Posterior Surgery - Various apparatuses for supporting a patient in a prone position are described. In embodiment, an apparatus rotates a person from a supine position to a prone position and vice versa and includes opposing patient support platens each coupled to a corresponding end of a first and a second COG assembly, the first and second COG assemblies each coupled to a corresponding one of a pair of spindles, each one of the spindles disposed on a corresponding lift column. Embodiments described herein provide for an axis of rotation that is adjustable with respect to the plane of either an upper or lower support platen. Embodiments provide for adjusting the separation distance between the axis of rotation and the center of gravity defined by the combination of the person and the supporting platens. | 04-14-2011 |
20140150178 | Patient Rotation Apparatus - A system for turning a person from a supine position to a prone position and vice versa includes opposing patient support platens each coupled to a corresponding end of a first and a second COG assembly, the first and second COG assemblies each coupled to a corresponding one of a pair of spindles, each one of the spindles disposed on a corresponding lift column. In yet another embodiment, registration plates, coupled to the system, conveniently align the attachment mechanisms of each COG assembly with distal ends of one or more platens. The registration plates allow for medical staff to align the system so that it straddles the operating table with the attachment mechanisms of the COG assembly in alignment with platen tubes (or other complimentary attachment mechanisms) located at the distal ends of the anterior platen. | 06-05-2014 |
20140250598 | SURGICAL TABLE - Surgical table and system for positioning, or lifting, a patient for purposes of generally performing a medical procedure on a posterior-portion of the patent (such as spinal surgery). The surgical table and system comprise a patient support system, a patient-positioning system and a base. In one embodiment, the patient-positioning system is configured to lift the head or foot end of the patient independently from each other, such as in Trendelenburg or reverse-Trendelenburg positions, and is also configured to angle the patient laterally. In another embodiment, the patient support is configured with an electrically-powered track and/or rail system that extends the patient support assembly away from the base, whereby the extension of the patient support forms a cantilevered support. | 09-11-2014 |
20140359941 | SURGICAL TABLE - A surgical table including a central bottom portion is provided. The surgical table includes at least one first wheel adjacent a first end of the table, at least one second wheel adjacent a second end of the table, and a first stabilizing bar connected to the first wheel and the second wheel. The stabilizing bar is movably connected to the central bottom portion. The stabilizing bar is configured for coordinated movement of the wheels. | 12-11-2014 |
Patent application number | Description | Published |
20080257405 | Multijunction solar cell with strained-balanced quantum well middle cell - A multijunction photovoltaic cell including a top subcell; a second subcell disposed immediately adjacent to the top subcell and producing a first photo-generated current; and including a sequence of first and second different semiconductor layers with different lattice constant; and a lower subcell disposed immediately adjacent to the second subcell and producing a second photo-generated current substantially equal in amount to the first photo-generated current density. | 10-23-2008 |
20080264476 | SOLAR CELL WITH DIAMOND LIKE CARBON COVER GLASS - A solar cell including a semiconductor body including at least one photoactive junction; and a diamond like carbon layer deposited over the top surface of the semiconductor body. | 10-30-2008 |
20100089440 | Dual Junction InGaP/GaAs Solar Cell - The present application is directed to a multi-terminal semiconductor solar cell. The solar cell may be dual junction solar cells comprising single junctions independently interconnected by a middle lateral conduction layer (MLCL). The solar cells may include a GaAs subcell, a GaInP subcell, and a MLCL disposed therebetween. In addition, the solar cells may include a plurality of terminals. One terminal may be operatively connected to the GaAs subcell, a second terminal may be operatively connected to the GaInP subcell and a third terminal may be operatively connected to the MLCL. | 04-15-2010 |
20100229926 | Four Junction Inverted Metamorphic Multijunction Solar Cell with a Single Metamorphic Layer - A multijunction solar cell including an upper first solar subcell having a first band gap; a second solar subcell adjacent to the first solar subcell and having a second band gap smaller than the first band gap; a graded interlayer adjacent to the second solar subcell; the first graded interlayer having a third band gap greater than the second band gap; and a third solar subcell adjacent to the graded interlayer, the third subcell having a fourth band gap smaller than the second band gap such that the third subcell is lattice mismatched with respect to the second subcell. A lower fourth solar subcell is provided adjacent to the third subcell and lattice matched thereto, the lower fourth subcell having a fifth band gap smaller than the fourth band gap. | 09-16-2010 |
20100282305 | Inverted Multijunction Solar Cells with Group IV/III-V Hybrid Alloys - A method of manufacturing a solar cell comprising providing a growth substrate; depositing on said growth substrate a sequence of layers of semiconductor material forming a solar cell, including at least one subcell composed of a group IV/III-V hybrid alloy such as GeSiSn; and removing the semiconductor substrate. | 11-11-2010 |
20100282306 | Multijunction Solar Cells with Group IV/III-V Hybrid Alloys - A method of manufacturing a solar cell by providing a germanium semiconductor growth substrate; and depositing on the semiconductor growth substrate a sequence of layers of semiconductor material forming a solar cell, including a subcell composed of a group IV/III-V hybrid alloy. | 11-11-2010 |
20100282307 | Multijunction Solar Cells with Group IV/III-V Hybrid Alloys for Terrestrial Applications - A solar cell including a substrate; a first solar subcell composed of GeSiSn disposed over the substrate and having a first band gap; a second solar subcell composed of GaAs, InGaAsP, or InGaP and disposed over the first solar subcell having a second band gap greater than the first band gap and lattice matched to said first solar subcell; and a third solar subcell composed of GaInP and disposed over the second solar subcell having a third band gap greater than the second band gap and lattice matched with respect to the second subcell. | 11-11-2010 |
20120186641 | INVERTED MULTIJUNCTION SOLAR CELLS WITH GROUP IV ALLOYS - A method of manufacturing a solar cell comprising providing a growth substrate; depositing on said growth substrate a sequence of layers of semiconductor material forming a solar cell, including at least one subcell composed of a group IV alloy such as GeSiSn; and removing the semiconductor substrate. | 07-26-2012 |
20120211071 | FOUR JUNCTION INVERTED METAMORPHIC MULTIJUNCTION SOLAR CELL WITH A SINGLE METAMORPHIC LAYER - A multijunction solar cell including an upper first solar subcell having a first band gap; a second solar subcell adjacent to the first solar subcell and having a second band gap smaller than the first band gap; a graded interlayer adjacent to the second solar subcell, the first graded interlayer having a third band gap greater than the second band gap; and a third solar subcell adjacent to the graded interlayer, the third subcell having a fourth band gap smaller than the second band gap such that the third subcell is lattice mismatched with respect to the second subcell. A lower fourth solar subcell is provided adjacent to the third subcell and lattice matched thereto, the lower fourth subcell having a fifth band gap smaller than the fourth band gap. | 08-23-2012 |