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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...
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7594915 |
Tissue stabilization and ablation devices and methods
Tissue stabilization and ablation devices and methods provide techniques for stabilizing and ablating body tissues during surgical ablation procedures. In many embodiments, for example, devices may...
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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...
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7583172 |
Multi-frequency electromagnetic field generator
Disclosed is a multi-frequency electromagnetic field generator that is capable of generating electromagnetic flux fields that are projected at a distance from the device. Radial fields, horizontal...
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7551951 |
Unitized electrode with three-dimensional multi-site, multi-modal capabilities for detection and control of brain state changes
An electrode with three-dimensional capabilities for detection and control of brain state changes of a subject. The electrode includes a disk portion having an upper surface and a lower surface,...
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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...
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7513896 |
Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling
An electrosurgical generator is disclosed, which includes an RF output stage connected to a DC power supply and first and second connections. The first connection includes a first switching...
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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.,...
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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...
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7494488 |
Facial tissue strengthening and tightening device and methods
A device is described that can be used quickly and accurately by surgeons to provide uniform facial tissue planes that are tunnel-free and wall-free thus optimizing face lifting, tightening, and...
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7465300 |
Catheter with cryogenic and electrical heating ablation
A catheter includes a cryoablation tip with an electrically-driven ablation assembly for heating tissue. The cryoablation tip may be implemented with a cooling chamber through which a controllably...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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7244255 |
High-frequency surgical generator
A high-frequency generator for high-frequency surgery is driven by a d.c. voltage supply. This d.c. voltage supply has a first working mode for transferring energy in a direction of the...
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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...
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7226446 |
Surgical microwave ablation assembly
An ablation assembly capable of ablating tissues inside the cavity of an organ is disclosed. The ablation assembly generally includes an ablative energy source and an ablative energy delivery...
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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...
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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...
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7189230 |
Method for treating skin and underlying tissue
A method for treating a tissue site couples an energy delivery surface of an electromagnetic energy delivery device with a skin surface. An underlying tissue area beneath the skin surface is...
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7160292 |
Needle kit and method for microwave ablation, track coagulation, and biopsy
A modular biopsy, ablation and track coagulation needle apparatus is disclosed that allows the biopsy needle to be inserted into the delivery needle and removed when not needed, and that allows an...
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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....
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7146210 |
Apparatus and method for optimizing tumor treatment efficiency by electric fields
The apparatus and method are designed to compute the optimal spatial and temporal characteristics for combating tumor growth within a body on the basis of cytological (as provided by biopsies,...
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7130698 |
Apparatus for applying pulsed voltage 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...
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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...
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7118590 |
Radiation applicator
Radiation applicators comprise an elongate device having an antenna ( 240, 340 ) at their tip for coupling radiation into biological tissue and a dielectric body ( 250, 350 ) surrounding the...
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7118567 |
Method for treating vulnerable plaque
A method for treating a vulnerable plaque associated with a blood vessel of a patient is disclosed. The method includes positioning an electrical lead adjacent a vulnerable plaque lesion, and then...
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7104985 |
Apparatus and method for causing selective necrosis of abnormal cells
A method and apparatus adapted to utilize means for controlling a plurality of energy pulses to repetitively increase and decrease the temperature of a target tissue with a prescribed timing for...
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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.
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7094232 |
Electrode rod for treating biological tissue
An electrode rod for treating a biological tissue is provided to properly carry out a surgical operation wherein a sufficient thermal shield is applied onto a core wire connected to an electrode at...
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7070595 |
Radio-frequency based catheter system and method for ablating biological tissues
A method for biological tissue ablation includes shaping a shapeable RF antenna to accommodate the contour of a body vessel adjacent a biological tissue load; generating a train of radio frequency...
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7041097 |
System and method for accessing the coronary sinus
The invention is generally directed to an accessing system for a patient's coronary sinus which includes a tubular support member with a distal extremity extending into the right atrium of the...
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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...
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7020528 |
Method for treating acne
A method for treatment and modification of material including biological material using an electromagnetic energy source directed to apply the energy to a region of the material, so as to modify...
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7020516 |
Catheter for delivering electromagnetic energy for enhanced permeation of substances
The present invention provides a catheter device/method for enhancing local administration of pharmaceutical compounds. Such device/method is used for various situations which require high...
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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...
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6933819 |
Multifrequency electro-magnetic field generator
Disclosed is a multifrequency electro-magnetic field generator that is capable of generating electro-magnetic flux fields that are projected at a distance from the device. Radial fields, horizontal...
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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....
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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...
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6749624 |
Fluid delivery apparatus
A fluid delivery apparatus for introducing a fluid cooling media to a skin surface includes a template with a skin interface surface. An energy delivery device is coupled to the template. A fluid...
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6736808 |
Apparatus for emitting therapeutic energy within tissue
A catheter capable of both sensing myocardial electrical activity and delivering ablating energy within myocardial tissue is disclosed. The catheter comprises electrodes on the outer sheath and...
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6733496 |
Intervertebral disc device employing flexible probe
An intervertebral disc device is provided comprising a distal probe sized to be extended from a distal end of an introducer that is percutaneously delivered into an interior of an intervertebral...
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6726685 |
Intervertebral disc device employing looped probe
An intervertebral disc device is provided comprising a probe capable of being extended from a distal end of an introducer that is percutaneously delivered into an interior of an intervertebral...
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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....
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