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5628770 |
Devices for transurethral thermal therapy
An intraurethral catheter shaft comprises a plurality of lumens extending between a first end and a second end of the shaft. An antenna lumen has a generally circular cross-sectional surface area...
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5620481 |
Device for multi-phase radio-frequency ablation
Multi-phase RF ablation employing a two-dimensional or three-dimensional electrode array produces a multitude of currents paths on the surface of the ablation zone. This results in a uniform lesion...
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5603697 |
Steering mechanism for catheters and methods for making same
A medical catheter steering construction is described that is particularly well suited for steering ablation catheters that utilize coaxial transmission lines. An elongated coaxial transmission...
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5599346 |
RF treatment system
An RF treatment system includes first and second catheters with first and second needle electrodes positioned at least partially in lumens of the first and second catheters. Each electrode is...
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5575788 |
Thin layer ablation apparatus
An ablation apparatus for ablating an inner layer in an organ or lumen of a body, or any desired thin layer, includes an expandable member made of a material with a porous exterior surface. An...
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5573533 |
Method and system for radiofrequency ablation of cardiac tissue
A system for delivering radiofrequency energy to ablate cardiac tissue comprises a radiofrequency generator and an intravascular catheter. The catheter includes both a radiofrequency ablation...
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5558673 |
Medical probe device and method having a flexible resilient tape stylet
The device and method of the present invention is a medical probe device which has an elongated guide having a longitudinal axis, and a handle and probe end, the guide defining a port at its probe...
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5549639 |
Non-invasive hyperthermia apparatus including coaxial applicator having a non-invasive radiometric receiving antenna incorporated therein and method of use thereof
A coaxial hyperthermia applicator for applying non-invasively electromagnetic energy to a body against which it is placed. The coaxial applicator antenna has formed integrally within it a...
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5545137 |
Device for asymmetrical thermal therapy with helical dipole microwave antenna
An intraurethral, Foley-type catheter shaft contains a microwave antenna capable of generating a cylindrically symmetrical thermal pattern, within which temperatures are capable of exceeding 45°...
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5542916 |
Dual-channel RF power delivery system
A dual-channel RF power delivery system for applying RF energy to dual electrodes of an RF ablation device with independent control of the power level, frequency, phase, and time duration of the RF...
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5540655 |
PBH ablation method and apparatus
A method and an apparatus is disclosed for delivering controlled heat to perform ablation to treat the benign prosthetic hypertrophy or hyperplasia (BPH). According to the method and the apparatus,...
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5540737 |
Minimally invasive monopole phased array hyperthermia applicators and method for treating breast carcinomas
An RF hyperthermia applicator for inducing a temperature rise in a human female breast for treating carcinomas includes a waveguide applicator having an aperture and a phased-array of monopole...
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5540681 |
Method and system for radiofrequency ablation of tissue
A system for delivering radiofrequency energy to ablate tissue comprises a radiofrequency generator and an intravascular catheter. The catheter includes both a radiofrequency ablation electrode and...
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5540679 |
Device and method for heating tissue in a patient's body
A balloon catheter is provided that includes a catheter shaft constructed for insertion into a blood vessel, a balloon mounted on the catheter shaft, and a heating device located within the balloon...
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5531662 |
Dual mode microwave/ionizing probe
A microwave radiator formed at least partially of a radioactive substance and adapted to simultaneously deliver microwave energy and nuclear radiation to living tissue. The radiator is incorporated...
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5529067 |
Methods for procedures related to the electrophysiology of the heart
Methods and apparatus are disclosed for use in procedures related to the electrophysiology of the heart, such as identifying or evaluating the electrical activity of the heart, diagnosing and/or...
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5514131 |
Method for the ablation treatment of the uvula
A method of medical ablation of tissue accessible thorough the mouth or nose is disclosed having the steps of: a) inserting a probe through the mouth into the oral cavity, wherein said probe has a...
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5509929 |
Urethral probe and apparatus for the therapeutic treatment of the prostate by thermotherapy
A urethral probe having a front part and a rear part, and a microwave antenna connected to an external device for generating microwaves. The microwave antenna has its primary active heating part...
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5507743 |
Coiled RF electrode treatment apparatus
An RF treatment apparatus provides multi-modality treatment for tumors and other desired tissue masses, and includes an RF indifferent electrode and an RF active electrode. The RF indifferent...
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5507791 |
Microwave resonance therapy
The invention relates to a method of treating primarily functional disturbances like dyskinesias, vegetative dystonies, dishormonoses, parethes and reversible organic damages of human organism,...
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5503150 |
Apparatus and method for noninvasive microwave heating of tissue
A method and apparatus for noninvasively locating and heating a volume of tissue, specifically a cancerous tumor, including placing a bolus in contact with the patient and substantially around an...
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5501704 |
Method for applying low energy emission therapy
A low energy emission therapy system is provided which includes an emitter of low energy electromagnetic emissions and a probe for applying the emissions to a patient under treatment. The emitter...
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5492122 |
Magnetic resonance guided hyperthermia
A hyperthermia treatment apparatus includes an annular radio frequency (RF) antenna array with bolus that is compatible with a magnetic resonance imaging (MRI) machine. Antenna elements polarized...
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5480417 |
Method and apparatus for the surgical treatment of tissues by thermal effect, and in particular the prostate, using a urethral microwave-emitting probe means
An apparatus for the surgical treatment of tissues by thermal effect, in particular prostate, is disclosed comprising a urethral emitting probe having a front end and a rear end, capable of being...
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5470352 |
Balloon angioplasty device
A balloon angioplasty device includes a microwave antenna, a catheter and a transmission line disposed through the catheter and coupled to the antenna. The device further includes a balloon coupled...
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5443487 |
Combined chemo-thermo therapy technique
A combined chemo-thermo therapy technique in which a pharmaceutical agent, such as a lipolysis cream, is topically applied to a localized skin surface overlying a problem region to be treated. This...
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5441532 |
Adaptive focusing and nulling hyperthermia annular and monopole phased array applicators
An R.F. hyperthermia phased array applicator uses adaptive nulling and focusing with non-invasive electric field probes to control the electric field intensity at selected positions in and around a...
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5405346 |
Tunable microwave ablation catheter
An ablation catheter is disclosed that include a mechanism for altering the impedance of the antenna during use in a controlled manner to tune the catheter. The impedance tuning may be accomplished...
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5405322 |
Method for treating aneurysms with a thermal source
An apparatus and method for treating an aneurysm in a vessel that isolates a volume around the aneurysm, evacuates that volume and heats the aneurysmal wall. A catheter includes one or more...
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5404881 |
Transrectal probe
A device constituting a transrectal probe comprises a probe body made of a flexible self-supporting polymer material whose degree of flexibility is designed to enable it to comply with the shape of...
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5391196 |
Method for therapeutic treatment of an obstructed natural canal
An obstructed canal of the human or animal body delimited by a wall is treated by: (a) selectively damaging extrinsic tissue by introducing a controlled dose of ionizing or non-ionizing treatment...
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5383922 |
RF lead fixation and implantable lead
A method and apparatus for affixing implantable catheters and leads to body tissue. An electrode located on the lead or catheter is coupled to an RF signal generator, of the type employed to...
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5370676 |
Device for application of hyperthermia in a particular body using microwaves
The invention relates to a device for application of hyperthermia in a particular body using microwaves. The device comprises a wire antenna (1) supplied with microwave energy or, upon switching,...
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5370678 |
Steerable microwave antenna systems for cardiac ablation that minimize tissue damage and blood coagulation due to conductive heating patterns
An antenna assembly has an energy propagating region that is encapsulated in a material having a high dielectric constant for minimizing the loss of energy while having a high thermal conductivity...
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5370644 |
Radiofrequency ablation catheter
A cardiac ablation apparatus including a solenoidal antenna, monitoring electrodes, and a coupling network at a distal end of a catheter transmission line, and another coupling network at the...
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5371342 |
Electromagnetic-wave-operated heating apparatus having an electric field concentrating member
In an electromagnetic-wave-operated heating apparatus in which, with a body to be heated such as a living body inserted into the cavity resonator incorporating at least one reentrant, an...
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5364336 |
Therapeutic probe for radiating microwave and ionizing radiation
A microwave radiator formed of a radioactive substance and adapted to simultaneously deliver microwave energy and nuclear radiation to living tissue. The radiator is incorporated into an...
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5364392 |
Microwave ablation catheter system with impedance matching tuner and method
A tuner system for a microwave power supply used in an ablation catheter system is disclosed. The tuner system includes a tuner arranged to facilitate matching the impedance of a power generator...
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5358515 |
Microwave hyperthermia applicator
The antenna system of the invention is insulated on the outside and when inserted in a dissipative medium has a fixed complex resistance. When the antenna is supplied with HF energy through a...
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5354325 |
System for internal heat treatment of a specific body and its use
A system for internal heat treatment of specific bodies by microwave including a generator 1 of microwave energy at a frequency f0, at least one channel for transmission of the microwave energy,...
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5344435 |
Urethral inserted applicator prostate hyperthermia
A method for the treatment of the prostate gland which heats the tissues which would otherwise be surgically removed with a trans-urethral resection of the prostate. This method is accomplished by...
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5330518 |
Method for treating interstitial tissue associated with microwave thermal therapy
A method of selectively treating interstitial tissue following microwave thermal therapy includes an intraurethral Foley-type catheter shaft. The catheter shaft contains a microwave antenna which...
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5323778 |
Method and apparatus for magnetic resonance imaging and heating tissues
The present invention relates to apparatus and a method for imaging and heating body tissues with one probe, through use of a magnetic resonance imaging radio frequency source. The device may also...
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5315994 |
Combined thermotherapy and electrotherapy technique
A combined thermotherapy and electrotherapy technique in which directed toward the skin surface overlying a problem region in the body is a stream of air whose temperature alternates periodically...
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5300099 |
Gamma matched, helical dipole microwave antenna
A catheter shaft carries a coaxial cable, the terminal end of which contains a dipole antenna with opposing first and second helical elements. The first and second helical elements originate from a...
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5295955 |
Method and apparatus for microwave aided liposuction
Fatty tissue involved in a liposuction procedure is treated with microwave energy (also known as RF). In a particular embodiment of the invention, the microwave energy is applied by means of a...
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5190037 |
High-power corona discharge beam thermotherapy system
A corona discharge beam thermotherapy system for veterinary applications adapted to project the beam onto the skin surface of an animal overlying a problem region, the beam serving to relieve pain...
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5163446 |
Electromagnetic heating device
An electromagnetic heating device for heating a living body or an object, comprising a cavity resonator made of hollow electroconductive material for receiving a living body or an object therein...
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5160828 |
Electromagnetic warming of submerged extremities
The invention is a device encompassing and warming the extremity of a wor in a cold wet environment. The device can take the form of a glove, sock and/or arm and/or leg warmer. The device contains...
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5148814 |
Heating apparatus for hyperthermia
A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. When it is necessary for a plurality of patients to be subjected to...
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