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| Number | Title | Issue Date |
| 8068921 | Microwave antenna assembly and method of using the same A microwave antenna assembly comprising an elongate shaft having proximal and distal ends and a lumen defined therebetween, a conductive member at least partially disposed within the inner lumen of elongate shaft, conductive member being selectively deployable relat... | 11/29/2011 |
| 7953500 | RF diathermy and faradic muscle stimulation treatment An RF diathermy coil assembly, including a generally elastically deformable patient conforming garment and a conductive coil secured to the garment. The conductive coil having a woven wire construction such that the coil can deform as the garment elastically deforms... | 05/31/2011 |
| 7410485 | Directional microwave applicator and methods A miniature microwave antenna is disclosed which may be utilized for biomedical applications such as, for example, radiation induced hyperthermia through catheter systems. One feature of the antenna is that it possesses azimuthal directionality despite its small siz... | 08/12/2008 |
| 7393352 | Electrode arrangement for use in a medical instrument A medical instrument includes a pair of spaced apart and electrically isolated elongated electrodes positioned adjacent one another on a working member. The electrodes are arranged for sensing electrical activity of biological tissues inside the body of the patient.... | 07/01/2008 |
| 7346399 | Monopole tip for ablation catheter An ablation catheter apparatus with a monopole antenna that is arranged to provide a relatively uniform electric field and a method for using such an ablation catheter apparatus are disclosed. According to one aspect of the present invention, an ablation catheter in... | 03/18/2008 |
| 7317946 | Telemetry antenna for an implantable medical device A telemetry antenna for an implantable medical device includes one or more portions having a non-linear configuration. In some embodiments, the non-linear configuration provides an antenna having a greater antenna length than the linear lengthwise dimension of the a... | 01/08/2008 |
| 7311702 | Ablation technology for catheter based delivery systems A catheter based delivery system may be used for both therapeutic and diagnostic applications. The catheter based delivery system includes a catheter having a distal end. The distal end of the catheter includes several electrodes that can emit a radio frequency wave... | 12/25/2007 |
| 7292893 | Apparatus and method for the treatment of infectious disease in keratinized tissue The invention provides methods for the treatment of keratinized tissue infected with a pathogen. The invention utilizes electromagnetic energy, particularly microwave energy, as a treatment means to reduce the amount of or eliminate the pathogen from the keratinized... | 11/06/2007 |
| 7289855 | Implantable medical device package antenna A wireless communication system is provided that includes an antenna structure adapted for coupling to a medical device antenna when the medical device is not implanted in a patient's body. The antenna structure effectively extends the medical device antenna length,... | 10/30/2007 |
| 7280873 | Treatment of oropharyngeal disorders by application of neuromuscular electrical stimulation A method for treating an oropharyngeal disorder in a patient by neuromuscular electrical stimulation includes selectively placing a plurality of electrodes in electrical contact with tissue of a pharyngeal region of the patient. The method also includes the steps of... | 10/09/2007 |
| 7272445 | Medical device programmer with faceplate In general, the invention is directed to a patient programmer for an implantable medical device. The patient programmer may include one or more of a variety of features that may enhance performance, support mobility and compactness, or promote patient convenience. | 09/18/2007 |
| 7250589 | Microwave hyperthermia treatment apparatus and treatment system Microwave hyperthermia treatment device includes a microwave generation unit, a power supply unit, and a control unit including an exposure-time actuation timer, an intermittent actuation timer, a second-device connecting terminal, and a remote switch. Two microwave... | 07/31/2007 |
| 7244254 | Air-core microwave ablation antennas A method and device delivers microwave power to an antenna through a coaxial cable utilizing air or other gases as its dielectric core. The cable includes supports made of low-loss materials to keep the inner conductor centered in the cable, and defining spaces ther... | 07/17/2007 |
| 7197363 | Microwave antenna having a curved configuration A microwave antenna having a curved configuration is described herein. The antenna portion is formed into various shapes whereby the antenna substantially encloses, by a partial or complete loop or enclosure, at least a majority of the tissue to be irradiated. When ... | 03/27/2007 |
| 7195626 | Electrode device for microwave surgery Disclosed is an electrode device for microwave surgery which is provided with a marker securely fixed to the central electrode, which marker can provide a magnetic susceptibility artifact of a uniform size and shape free of fluctuation among electrode devices. The e... | 03/27/2007 |
| 7194297 | Impedance-matching apparatus and construction for intravascular device Intravascular device for matching impedances of portions of an intravascular circuit and limiting RF signal-induced heating of intravascular conductors. An intravascular device includes alternating conductive and dielectric layers and an electrically conductive coil... | 03/20/2007 |
| 7156841 | Electrode arrangement for use in a medical instrument A medical instrument is disclosed. The medical instrument includes a pair of spaced apart and electrically isolated elongated wire electrodes positioned adjacent one another on a working member. The wire electrodes are arranged for sensing electrical activity of bio... | 01/02/2007 |
| 7128739 | High-strength microwave antenna assemblies and methods of use High-strength microwave antenna assemblies and methods of use are described herein. The microwave antenna has a radiating portion connected by a feedline to a power generating source, e.g., a generator. The antenna is a dipole antenna with the distal end of the radi... | 10/31/2006 |
| 7115126 | Directional microwave ablation instrument with off-set energy delivery portion A directional ablation instrument for ablation of a targeted tissue. The instrument includes a transmission line having a proximal portion suitable for connection to an electromagnetic energy source, and an elongated antenna device having a longitudinal axis and an ... | 10/03/2006 |
| 7113832 | Interstitial microwave antenna with miniaturized choke hyperthermia in medicine and surgery The present invention relates to minimally invasive surgery techniques. It provides a method for manufacturing an antenna for percutaneous acute hyperthermia microwave applications of the monopole or dipole co-axial type provided with trap, commonly called choke, fo... | 09/26/2006 |
| 7105011 | Method for achieving tissue changes in bone or bone-derived tissue A method of achieving tissue changes in bone or bone-derived organic tissue, in which method bone or bone-derived organic tissue is provided, an interfacing agent is applied to the bone or bone-derived organic tissue, and electromagnetic energy is applied to the int... | 09/12/2006 |
| 7101369 | Triaxial antenna for microwave tissue ablation An improved antenna for microwave ablation uses a triaxial design which reduces reflected energy allowing higher power ablation and/or a smaller diameter feeder line to the antenna. ... | 09/05/2006 |
| 7092762 | Low-power, high-modulation-index amplifier for use in battery-powered device An external transmitter circuit drives an implantable neural stimulator having an implanted coil from a primary coil driven by a power amplifier. For efficient power consumption, the transmitter output circuit (which includes the primary coil driven by the power amp... | 08/15/2006 |
| 7084828 | Shaped ground plane for dynamically reconfigurable aperture coupled antenna Method for controlling an input impedance of an antenna (100). The method can include the steps of coupling RF energy from an input RF transmission line (106) to an antenna radiating element (102) through an aperture (112) defined in a gr... | 08/01/2006 |
| 7037303 | Urinary flow control valve A flow control valve (22) such as for a catheter (10) allows discharge of urine from a bladder (12) by manual actuation. The valve (22) may be a double-duckbill valve (22) with a single slit (62) at one apex (60a | 05/02/2006 |
| 7033352 | Flexible ablation instrument A flexible microwave antenna assembly for a surgical ablation instrument capable of conforming to a tissue surface for ablation thereof. The ablation instrument includes a transmission line having a proximal portion suitable for connection to an electromagnetic ener... | 04/25/2006 |
| 7004965 | Implant and delivery tool therefor An implant system including a transurethral prostatic implant positioned in a prostate and including a lumen with an inner perimeter that surrounds an outer perimeter of a urethra at the prostate. The implant system may include a delivery tool including a shaft havi... | 02/28/2006 |
| 7004938 | Radio-frequency-based catheter system with improved deflection and steering mechanisms A RF catheter system includes a catheter with a proximal portion, a distal portion having a distal end and a lumen extending from the proximal portion to the distal portion. Inner and outer coaxially aligned conductors extend within the catheter and are coaxial with... | 02/28/2006 |
| 6992628 | Antenna with dynamically variable operating band An antenna can include at least one antenna element (102) to which a fluid dielectric (114) is magnetically and electrically coupled. The antenna element (102) is preferably a conductive wire or patch disposed on a dielectric substrate (104 | 01/31/2006 |
| 6976986 | Electrode arrangement for use in a medical instrument A medical instrument is disclosed. The medical instrument includes a pair of spaced apart and electrically isolated elongated wire electrodes positioned adjacent one another on a working member. The wire electrodes are arranged for sensing electrical activity of bio... | 12/20/2005 |
| 6968236 | Ceramic cardiac electrodes A cardiac electrode termination pair system that is particularly compatible with Magnetic Resonance Imaging (MRI) procedures. The electrodes include tip and ring electrodes made of a body-compatible ceramic on which is applied via electroplating, sputtered or the li... | 11/22/2005 |
| 6962586 | Microwave ablation instrument with insertion probe A microwave ablation assembly and method including a relatively thin, elongated probe (21) having a proximal access end (22) and an opposite distal penetration end (23) adapted to penetrate into bio-tissue (25). The probe (21) defi... | 11/08/2005 |
| 6944504 | Microwave medical treatment apparatus and method Methods, simulations, and apparatus are provided that may be utilized for medical treatments which are especially suitable for treatment of benign prostatic hyperplasia (BPH). In a preferred embodiment, a plurality of separate microwave antennas are utilized to heat... | 09/13/2005 |
| 6904323 | Non-invasive apparatus and method for providing RF energy-induced localized hyperthermia An apparatus for providing hyperthermia treatment for enhancing cancer therapy includes an applicator body and a plurality of antennas operatively associated with the applicator body. The applicator body has a concave profile extending from an aperture and defines a... | 06/07/2005 |
| 6839589 | Method and apparatus for treatment of living matter using pulsed radio frequency electromagnetic radiation A method of electrotherapy for living matter such as humans, animals and plants is provided. The method involves providing a transmitter for generating a radiofrequency electromagnetic transmission from an antenna in the range of 10 to 50 megahertz, determining empi... | 01/04/2005 |
| 6823218 | Monopole tip for ablation catheter and methods for using same An ablation catheter apparatus with a monopole antenna that is arranged to provide a relatively uniform electric field and a method for using such an ablation catheter apparatus are disclosed. According to one aspect of the present invention, an ablation catheter in... | 11/23/2004 |
| 6807446 | Monopole phased array thermotherapy applicator for deep tumor therapy A monopole phased array thermotherapy applicator radiating radiofrequency energy for inducing a temperature rise in a target within a body includes a plurality of monopole elements each for transmitting electric-field radiation; a metallic waveguide with an RF refle... | 10/19/2004 |
| 6699241 | Wide-aperture catheter-based microwave cardiac ablation antenna A catheter-based microwave antenna cardiac ablation applicator has been developed which unlike previously-developed ablation catheters, forms a wide aperture that produces a large heating pattern. The antenna comprises a spiral antenna connected to the ce... | 03/02/2004 |
| 6675050 | Computer program for microwave antenna A method, simulation, and apparatus are provided that are highly suitable for treatment of benign prostatic hyperplasia (BPH). A catheter is disclosed that includes a small diameter disk loaded monopole antenna surrounded by fusion material having a high ... | 01/06/2004 |
| 6673068 | Electrode arrangement for use in a medical instrument A medical instrument is disclosed. The medical instrument includes a pair of spaced apart and electrically isolated elongated wire electrodes positioned adjacent one another on a working member. The wire electrodes are arranged for sensing electrical acti... | 01/06/2004 |
