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| Number | Title | Issue Date |
| 8182476 | In vivo accessories for minimally invasive robotic surgery Surgical accessories are presented in vivo and used by surgical tools in the surgical site to perform additional tasks without the need to remove the tools from the surgical site for tool change or instrument loading. Examples of in vivo accessories include fastenin... | 05/22/2012 |
| 8152799 | 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... | 04/10/2012 |
| 8133217 | Method and apparatus for marking a lumenal wall A marking apparatus includes a selectively inflatable balloon. The balloon includes an external lumen adapted for connection to a vacuum source. The external lumen includes ports for creating a vacuum at the ports sufficient to draw walls of the gastric cavity into ... | 03/13/2012 |
| 8118808 | Cooled dielectrically buffered microwave dipole antenna Microwave antenna assemblies incorporating a resilient insulating coupler are described herein. The microwave antenna includes a radiating portion connected by a coaxial feedline to a power generating source, e.g., a generator. Distal and proximal radiating portions... | 02/21/2012 |
| 8100896 | Method for treatment of an intervertebral disc The present disclosure is directed to methods for relieving pain associated with an intervertebral disc having a disc nucleus pulposus and an outer annulus fibrosus surrounding the nucleus pulposus. The method includes the steps of providing an elongated thermal or ... | 01/24/2012 |
| 8100895 | Heat treating a biological site in a patient's body A system for heating a site in a patient's body includes a transformer having a primary winding and a secondary winding, the secondary winding having at least one center tap to provide a patient reference and at least two sources of radio frequency (RF) energy, the ... | 01/24/2012 |
| 8057466 | Method and device to form a sensor using isolated cardiomyocytes A method and device are described to form a sensor using a cardiomyocyte by advancing a catheter into the tissue of interest, cardiac in the preferred embodiment, and using the catheter to ablate a cone- or a dome-shaped region to form an electrically isolated secti... | 11/15/2011 |
| 8012148 | Reinforced high strength microwave antenna 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. Proximal and distal radiating portions of the antenna assembly ... | 09/06/2011 |
| 7998139 | Cooled helical antenna for microwave ablation A microwave antenna assembly including an elongated cooling jacket having proximal and distal ends and an inner lumen defined therebetween and a helical microwave antenna member disposed within at least a portion of the elongated cooling jacket and having an inner a... | 08/16/2011 |
| 7875024 | Devices and methods for cooling microwave antennas Devices and methods for cooling microwave antennas are disclosed herein. The cooling systems can be used with various types of microwave antennas. One variation generally comprises a handle portion with an elongate outer jacket extending from the handle portion. A m... | 01/25/2011 |
| 7862559 | 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... | 01/04/2011 |
| 7799019 | Reinforced high strength microwave antenna 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. Proximal and distal radiating portions of the antenna assembly ... | 09/21/2010 |
| 7744592 | Apparatus and method for the treatment of infectious disease in keratinized tissue Apparatus and methods for the treatment of keratinized tissue infected with a pathogen are provided. In certain examples, electromagnetic energy, such as microwave energy, may be used in the treatment process to reduce the amount of or eliminate the pathogen from th... | 06/29/2010 |
| 7699841 | Microwave apparatus for controlled tissue ablation Apparatus for controlled tissue ablation includes an elongated relatively flexible antenna with a first, strip-like, conductor having opposite faces and proximal and distal ends, a dielectric spacer covering one face of the first conductor, and a second, serpentine,... | 04/20/2010 |
| 7648498 | Irradiation device for influencing a biological structure in a subject with electromagnetic radiation An irradiation device for irradiating a living organism with electromagnetic radiation in order to influence biological structures inside the organism has a frequency generator that has a frequency synthesizer for the production of electromagnetic radiation having a... | 01/19/2010 |
| 7645276 | System for non-invasive heart treatment The invention provides a non-invasive method for treatment of arrhythmia. In a first aspect, a method for treatment of atrial fibrillation in a heart of a patient comprises directing radiation from outside the patient toward one or more target treatment regions of t... | 01/12/2010 |
| 7611508 | Floating sleeve microwave antenna for tumor ablation An antenna for microwave tumor ablation provides coaxial antenna conductors surrounded by an insulated sleeve of length and size promoting destructive interference of axial microwave energy passing inside and outside of the sleeve to limit the tail of SAR power towa... | 11/03/2009 |
| 7594913 | Radio-frequency based catheter system and method for ablating biological tissues A radio-frequency based catheter system and method for ablating biological tissues within the body vessel of a patient comprises a radio-frequency (“RF”) generator for selectively generating a high frequency RF energy signal in a deployable catheter having an RF... | 09/29/2009 |
| 7527623 | High-strength microwave antenna assemblies Various high-strength microwave antenna assemblies 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 radiating porti... | 05/05/2009 |
| 7510555 | Enhanced systems and methods for RF-induced hyperthermia A method of inducing hyperthermia in at least a portion of a target area—e.g., a tumor or a portion of a tumor or targeted cancerous cells—is provided. Targeted RF absorption enhancers, e.g., antibodies bound to RF absorbing particles, are introduced into a pati... | 03/31/2009 |
| 7497858 | Apparatus and method for assessing transmurality of a tissue ablation An instrument assesses the transmurality of an ablation lesion from a first surface of a targeted biological tissue to an opposed second surface thereof. The instrument includes at least a first electrode operably attached to an ablation instrument adapted to engage... | 03/03/2009 |
| 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 |
| 7387627 | Vacuum-assisted securing apparatus for a microwave ablation instrument A securing apparatus for selectively securing an ablating element of an ablation instrument proximate to a targeted region of a biological tissue. The securing apparatus includes a support base affixed to the ablation instrument relative the ablating element, and ha... | 06/17/2008 |
| 7387626 | Medical probe device and method A medical probe device comprises a catheter having a stylet guide housing with one or more stylet ports in a side wall thereof and a stylet guide for directing a flexible stylet outward through the stylet port and through intervening tissue at a preselected, adjusta... | 06/17/2008 |
| 7367988 | Use of electromagnetic fields in cancer and other therapies Methods and apparatus are described for the treatment of diseases by exposures to electromagnetic fields. Also, apparatus is described for focusing the biological effectiveness of such fields on specific cells, tissues or organs of a human or animal body. ... | 05/06/2008 |
| 7366561 | Robotic trajectory guide A surgical alignment device is shown that is controlled remotely through the use of an actuator, where the actuator in turn controls at least one local adjustment device. The alignment device is suited for neurosurgery, although it is not exclusively limited to neur... | 04/29/2008 |
| 7357802 | Electrosurgical system with uniformly enhanced electric field and minimal collateral damage The present invention is directed towards an electrosurgical cutting system. The system comprises an electrically conductive blade, having first and second blade surfaces. First and second insulators are affixed to the first and second blade surfaces, respectively. ... | 04/15/2008 |
| 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 |
| 7338487 | Device for delivering localized x-ray radiation and method of manufacture Generally, the present invention provides a device for insertion into a body of a subject being treated to deliver localized x-ray radiation, and a method for fabricating such a device. The device includes a cathode structure that has a thin, diamond film as a catho... | 03/04/2008 |
| 7335197 | Transurethral needle ablation system with flexible catheter tip A one-piece, single-use disposable device for transurethral needle ablation (TUNA) of prostate tissue to alleviate BPH is disclosed. The device may include a flexible catheter tip including a rigid core and a flexible tip. The device may also include a single use lo... | 02/26/2008 |
| 7331960 | Linear ablation assembly An intravascular device for the formation of linear lesions which has particular utility in the treatment of atrial fibrillation and flutter. The intravascular device has an outer delivery member with a distal section which has an elongated opening and a support ele... | 02/19/2008 |
| 7331984 | Glaucoma stent for treating glaucoma and methods of use Surgical methods and related medical devices for treating glaucoma are disclosed. The method comprises trabecular bypass surgery, which involves bypassing diseased trabecular meshwork with the use of a stent implant. The stent implant is inserted into an opening cre... | 02/19/2008 |
| 7331956 | Methods and apparatus for treating back pain Apparatus and methods for treating back pain of a patient by denervation of an intervertebral disc or a region of the posterior longitudinal ligament by the controlled application of heat to a target tissue. In one embodiment, the invention may include a procedure c... | 02/19/2008 |
| 7318824 | High-strength microwave antenna assemblies Various high-strength microwave antenna assemblies 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 radiating porti... | 01/15/2008 |
| 7311703 | Devices and methods for cooling microwave antennas Devices and methods for cooling microwave antennas are disclosed herein. The cooling systems can be used with various types of microwave antennas. One variation generally comprises a handle portion with an elongate outer jacket extending from the handle portion. A m... | 12/25/2007 |
| 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 |
| 7302297 | Apparatus for applying pulsed charge to living matter Apparatus for inducing electrically charged alignment changes in biological tissue includes a generally flat translucent cavity containing a volume of gas that includes water vapor, carbon dioxide and other similarly common molecules that is charged along one surfac... | 11/27/2007 |
| 7294126 | Apparatus and method for treating venous reflux Disclosed is an ablation method and apparatus used to close veins for treatment of venous insufficiency disease. The apparatus includes a catheter proportioned for insertion into a vein, a pair of inflatable balloons spaced apart on the catheter body, and an ablatio... | 11/13/2007 |
| 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 |
