Patent application number | Description | Published |
20080317467 | Amplified Wavelength Broadband Video Distribution Architectures - Provided herein are embodiments of a device, method of use and system for a low-cost analog multi-wavelength video distribution transamplifier for CATV and FTTH networks having a broadband overlay. The transamplifier embodiments described herein allow the use of multiple wavelengths to segment logical service groups in a CATV distribution system and a FTTH system having a broadband overlay. | 12-25-2008 |
20080317468 | Amplified Wavelength Broadband Video Distribution Architectures Using An External Waveguide - Provided herein are embodiments of a device, method of use and system for a low-cost analog multi-wavelength video distribution transamplifier for CATV and FTTH networks having a broadband overlay. The transamplifier embodiments described herein allow the use of multiple wavelengths to segment logical service groups in a CATV distribution system and a FTTH system having a broadband overlay. Improved optical signal power performance can be achieved by using direct modulating transmitters and modulating the optical signal for with an external waveguide, thereby decreasing SBS and reducing non-linearities. | 12-25-2008 |
20090232500 | TRANSAMPLIFIER, SYSTEM AND METHOD FOR AMPLIFICATION OF OPTICAL SIGNALS AT PLURAL WAVELENGTHS - Disclosed herein are embodiments of a device, method of use and system for an analog multi-wavelength transamplifier. The transamplifier embodiments described herein allow the use of multiple wavelengths to segment logical service groups, such as for use in a CATV distribution system and a FTTH system having a broadband overlay. Improved optical signal power performance can be achieved by using direct modulating transmitters and maintaining polarization of the optical signals that are modulated by a phase modulator, such as an external waveguide. | 09-17-2009 |
20090257116 | Erbium and Erbium/Ytterbium Cladding Pumped Hybrid Optical Amplifier - An optical fiber amplifier apparatus and optical signal amplification method are provided. In one example, the amplifier apparatus comprises an optical combiner that is configured to receive an input optical signal to be amplified and a pump light beam. The optical combiner combines for output the input optical signal and the pump light beam. A first cladding pumped optical fiber in which Erbium is the only optically active dopant is coupled to the optical combiner to receive the pump light beam and the input optical signal. The first cladding pumped optical fiber pre-amplifies the input optical signal and passes the pre-amplified input optical signal and power of the pump light beam not absorbed by the first cladding pumped optical fiber. A second cladding pumped optical fiber is provided that is coupled to the first cladding pumped optical fiber. Erbium and Ytterbium are optically active dopants in the second cladding pumped optical fiber. The second cladding pumped optical fiber absorbs power of the pump light beam that was not absorbed by the first cladding pumped optical fiber to further amplify the pre-amplified input optical signal to produce an output amplified optical signal that is a desired amplified version of the input optical signal. | 10-15-2009 |
Patent application number | Description | Published |
20090204158 | METHOD AND DEVICE FOR DELIVERING MEDICINE TO BONE - Bone screws and inserts disposed therein or thereon are provided for the delivery of medicants to bone. The bone screws provide a method to strengthen or repair damaged bones, or to promote bony fusion, and in conjunction with the inserts, provide a method of delivering a continuous or regulated amount of medicant to a desired location within the bone such as a fracture interface. In one embodiment, the inserts are customized in size, shape, or configuration after the bone screw has been inserted into the patient. | 08-13-2009 |
20090248164 | INTERBODY CAGE SYSTEM - An interbody cage system includes an interbody cage having a proximal end, a distal end, and an interior. The interbody cage system also includes an insertion tool. A portion of the insertion tool extends into the proximal end and the interior. | 10-01-2009 |
20100010677 | METHOD AND APPARATUS FOR TREATMENT OF DISCOGENIC PAIN - A method of treating discogenic back pain in a patient includes the steps of acquiring an image of at least a portion of the patient's spine, locating the spinal disc causing the back pain, and identifying a treatment volume encompassing at least a portion of the spinal disc. The method further includes prescribing a radiation dose to be delivered to the treatment volume, providing a radiation therapy machine, positioning the patient in the radiation therapy machine, programming the radiation therapy machine to deliver the radiation dose to the treatment volume, and delivering the radiation dose to the treatment volume. | 01-14-2010 |
20100168863 | SPINAL DISC PROSTHESIS SYSTEM - A disc prosthesis is provided. The disc prosthesis includes a concave surface attached to a first base and a convex surface attached to a second base. The concave surface and the convex surface together form a rotating joint, and at least one of the concave and convex surfaces is attached to its base through at least one flexible support capable of flexing to provide shock absorption when the artificial disc prosthesis is disposed between two vertebra. | 07-01-2010 |
20100262089 | METHOD AND DEVICE FOR DELIVERING MEDICINE TO BONE - A device for implantation within a bone is provided. The device includes a first end, a second end, and a shaft connecting the first and second ends. The shaft defines a cannulation extending along at least a portion of the length of the shaft. The device includes a seal coupled to the shaft, and the seal includes an inner surface facing the cannulation of the shaft. The seal is configured to provide access to the cannulation following implantation of the device within a bone, and the seal is configured to self-seal after access is provided to the cannulation. | 10-14-2010 |
20110004251 | SPINAL FIXATION SYSTEM - A spinal fixation system includes a pedicle screw having a longitudinal axis. A fixation element is configured to connect the pedicle screw to at least one additional pedicle screw. A coupling mechanism includes a pedicle screw securing device adapted to secure the coupling mechanism to the pedicle screw and a fixation element securing device configured to secure the coupling mechanism to the fixation element. A fastening mechanism is configured to fasten both the pedicle screw securing device and the fixation element securing device. The fastening mechanism is located along the longitudinal axis of the pedicle screw. | 01-06-2011 |
20110035009 | VERTEBRAL PROSTHESIS AND SPINAL FIXATION SYSTEM - A vertebral prosthesis and spinal fixation system includes a vertebral prosthesis having a height adjustable shaft and an anchoring mechanism coupled to the shaft. The system further includes a spinal fixation device and a number of bone screws. The bone screws attach the fixation device to the vertebral prosthesis via the anchoring mechanism. | 02-10-2011 |
20110224476 | Method and Apparatus for Treatment of Discogenic Pain - A back pain treatment system includes a patient support, a radiation source, a radiation delivery mechanism, and a treatment planning computer adapted to control the radiation delivery mechanism. The treatment planning computer is programmed to deliver radiation from the radiation source to a treatment volume including a blood vessel. | 09-15-2011 |
20120029432 | METHOD AND DEVICE FOR DELIVERING MEDICINE TO BONE - A system for treating a bone includes an insert for a bone screw or a fixation nail. The insert includes a shaft that extends between proximal and distal ends of the insert and a cap. The shaft includes an opening in the proximal end and a cannulation extending from the opening through at least a portion of the shaft. The shaft further includes a fenestration disposed along the cannulation such that the cannulation is configured to provide a pathway for a substance between the opening and the fenestration. The cap is fastened to and seals the opening in the proximal end of the shaft and adjoins the cannulation. The cap is configured to provide a needle access through the cap to the cannulation following implantation of the system within the bone, and is further configured to self-seal after the needle is removed. | 02-02-2012 |
20120041395 | METHOD AND DEVICE FOR DELIVERING MEDICINE TO BONE - A system for communicating fluid to or from a bone includes an insert. The insert includes a shaft extending between proximal and distal ends of the insert, a fenestration, and an expandable portion coupled to the shaft. The shaft is cannulated along at least a portion of the shaft between the proximal and distal ends. The fenestration is disposed along the cannulated portion of the shaft. Outer surfaces of the expandable portion are configured to expand laterally outward to increase the cross-sectional area of the expandable portion orthogonal to the shaft. | 02-16-2012 |
20120078315 | INTERVERTEBRAL INSERT SYSTEM - A system for delivering fluid to a space between two vertebrae is provided. The system includes a tool and an insert configured to be implanted in the space between two vertebrae. The tool includes a proximal end, a distal end and a structure at the distal end configured to be coupled to the insert. The tool further includes a first opening located near the proximal end of the tool, a second opening located near the distal end of the tool, and a passage extending between the first opening and the second opening. The first opening, the passage and the second opening provide a fluid delivery path from the proximal end to the exterior of the tool near the distal end. The second opening is positioned relative to the structure such that fluid is permitted to be delivered from the tool directly into the space between the two vertebrae. | 03-29-2012 |
20130245602 | METHOD AND DEVICE FOR DELIVERING MEDICINE TO BONE - A method for the long-term delivery of fluids to a bone of a patient includes providing a cannulated bone screw and an insert configured to be coupled to the bone screw. The method further includes creating an aperture in the skin of a patient, inserting the bone screw into a bone of the patient through the aperture, and coupling the insert to the bone screw. The method further includes the steps of providing a fluid source, coupling the fluid source to the insert, and delivering a fluid from the fluid source to the insert. | 09-19-2013 |
20140046379 | METHODS AND DEVICES FOR DELIVERY OF MEDICINE TO BONE - A bone screw includes a shaft, a cannulated portion formed in the shaft, and a fenestration in the shaft connecting the cannulated portion to an exterior of the bone screw. A wall between the cannulated portion and the exterior of the bone screw includes a first wall portion having a different thickness than a second wall portion. | 02-13-2014 |
20140135928 | SPINAL FIXATION SYSTEM - A spinal fixation system includes a pedicle screw having a longitudinal axis. A fixation element is configured to connect the pedicle screw to at least one additional pedicle screw. A coupling mechanism includes a pedicle screw securing device adapted to secure the coupling mechanism to the pedicle screw and a fixation element securing device configured to secure the coupling mechanism to the fixation element. A fastening mechanism is configured to fasten both the pedicle screw securing device and the fixation element securing device. The fastening mechanism is located along the longitudinal axis of the pedicle screw. | 05-15-2014 |
20140142550 | MULTICHANNEL CANNULA AND METHODS FOR USING SAME - A method for delivering a substance to bone includes placing a stabilizing wire in a bone, creating a hole in the bone around the stabilizing wire, and providing a multichannel cannula. The multichannel cannula includes a first channel having an open proximal end and distal end, the first channel being configured to receive the stabilizing wire, and a second channel having an inlet portal and an exit portal that are in fluid communication. The cannula further includes a cap having a delivery port in fluid communication with the inlet portal and a channel for receiving the cannula therein, and a distal tip. The method further includes inserting the multichannel cannula into the hole in the bone such that the first channel receives the stabilizing wire, and delivering the substance into the bone by introducing the substance into the second channel such that the substance exits through the exit portal | 05-22-2014 |
20140142584 | MULTICHANNEL CANNULA AND METHODS FOR USING SAME - A method for delivering a substance to bone includes placing a stabilizing wire in a bone, creating a hole in the bone around the stabilizing wire, and providing a multichannel cannula, comprising. The multichannel cannula includes a first channel having an open proximal end and an open distal end, the first channel being configured to receive the stabilizing wire, and a second channel having an inlet portal and an exit portal that are in fluid communication. The method further includes inserting the multichannel cannula into the hole in the bone such that the first channel receives the stabilizing wire, and delivering the substance into the bone by introducing the substance into the inlet portal of the second channel such that the substance exits the second channel through the exit portal. | 05-22-2014 |