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7608071 |
Cryosurgical probe with adjustable sliding apparatus
A cryosurgical probe assembly that includes a gas delivery assembly, including a stem and a fluid conduit subassembly bonded to the stem. The fluid conduit subassembly delivers and returns cooling...
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7591814 |
Extended treatment zone catheter
A catheter having an extended treatment zone for cooling tissue is provided. The catheter includes an elongate catheter body having a distal tip, and a fluid injection conduit disposed inside the...
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RE40868 |
Refrigeration source for a cryoblation catheter
A catheter-based system for performing a cryoablation procedure uses a precooler to lower the temperature of a fluid refrigerant to a sub-cool temperature (−40° C.) at a working pressure (400...
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7563260 |
Tissue warming device and method
The present invention relates to a tissue warming device for use with an ultrasound probe having top and bottom sides located diametrically opposite to each other viewed from a frontal...
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RE40815 |
Control system for cryosurgery
An apparatus and method for automatic operation of a refrigeration system to provide refrigeration power to a catheter for tissue ablation or mapping. The primary refrigeration system can be open...
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7491223 |
Therapeutic heating and cooling via temperature management of a colon-inserted balloon
A method and apparatus is provided for heating or cooling at least a selected portion of a patient's body. The method begins by inserting a catheter having a balloon into the colon or stomach of...
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7449018 |
Method and device for performing cooling- or cryo-therapies for, e.g., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation employing microporous balloon
An enhanced method and device are provided to inhibit or reduce restenosis following angioplasty or stent placement. A porous balloon-tipped catheter is disposed in the area treated or opened...
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RE40049 |
Precooled cryogenic ablation system
A method and apparatus for using a secondary refrigerant to precool and liquefy a primary refrigerant, then vaporizing and expanding the primary refrigerant to cool a cold tip of a cryosurgical...
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7318821 |
Cooling system
A cryogenic medical system includes a medical device and a console connectable to the medical device at a connection point. The console controls the temperature of the medical device. The console...
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7303554 |
Closed loop catheter coolant system
A coolant system for a cryoablation or treatment probe such as a mapping or ablation catheter, or a treatment wand, includes a compressor and condenser having a low pressure inlet side and a high...
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7291143 |
Clamp based low temperature lesion formation apparatus, systems and methods
Clamp based low temperature lesion formation apparatus, systems and methods.
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7291144 |
Method and device for performing cooling- or cryo-therapies for, e.g., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation
The present invention provides an enhanced method and device to inhibit or reduce the rate of restenosis following angioplasty or stent placement. The invention involves placing a balloon tipped...
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7288089 |
Method and device for performing cooling- or cryo-therapies for, e.g., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation employing tissue protection
An enhanced method and device are provided to treat atrial fibrillation or inhibit or reduce restenosis following angioplasty or stent placement. A balloon-tipped catheter is disposed in the area...
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7276058 |
Method and apparatus for treatment of cutaneous and subcutaneous conditions
The present invention provides method and apparatus for treating tissue in a region at depth while protecting non-targeted tissue by cyclically applying cooling to the patients skin, and preferably...
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7270656 |
Cooled laser fiber for improved thermal therapy
In one embodiment, the disclosure is directed to an integrated apparatus for delivering energy to a tissue. The integrated apparatus included a housing having a distal end and a tubular structure...
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7207986 |
Cooling system
A cryogenic medical system includes a medical device and a console connectable to the medical device at a connection point. The console controls the temperature of the medical device. The console...
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7204833 |
Multi-modal system for detection and control of changes in brain state
A multi-purpose device mechanism for sensing and control of changes in brain state includes a shaft portion and extendible elements structured for insertion into target tissue of the brain of a...
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7204832 |
Cooling system for a photo cosmetic device
Photocosmetic device for use in medical or non-medical environments (e.g., a home, barbershop, or spa), which can be used for a variety of tissue treatments. Radiation is delivered to the tissue...
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7192426 |
Cryogenic system
A cryosurgical system and method for supplying cryogen to a probe. The system including a container filled with cryogen and having bellows of a pump submerged within said cryogen. Conduits fluidly...
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7189228 |
Detachable cryosurgical probe with breakaway handle
The detachable cryosurgical probe includes a disposable probe assembly and a reusable probe assembly. The disposable probe assembly includes a breakaway collar which, when twisted away, activates a...
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7172589 |
Cryo ablation coil
The present invention pertains to devices for causing cold-induced necrosis or apoptosis. The present invention includes a cryo therapy apparatus including a core member; a cryoplasty tube coupled...
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7163535 |
System for detecting leaks and occlusions in a cryoablation catheter
A system for detecting leaks and occlusions in a cryoablation catheter requires monitoring pressure in the catheter at the end of two predetermined time intervals. The catheter includes a catheter...
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7160290 |
Low temperature lesion formation apparatus, systems and methods
Low temperature lesion formation apparatus, systems and methods. The apparatus includes a base member and an inflatable element carried by the base member.
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7156840 |
Pressure monitor for cryoablation catheter
A cryoablation device having a pressure monitoring system includes an elongated catheter tube that has a central lumen and is formed with a closed distal end. The distal end of a refrigerant supply...
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7150743 |
Multiple cryoprobe apparatus and method
A cryosurgery apparatus is disclosed. The cryosurgery apparatus an introducer having a hollow and a distal portion, the distal portion being sufficiently sharp so as to penetrate into a body, the...
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7137966 |
Immobilizing objects in the body
Stabilizing an object in the body of a patient involves the injection of a lower critical solution temperature (LCST) material or other flowable material into the body of the patient so that the...
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7118565 |
Cryoblation catheter handle
A cryocatheter system includes a first handle portion having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path; a second handle portion having a proximal end, a...
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7104984 |
Reshapeable tip for a cryoprobe
A device for cryoablating exposed tissue having a contoured contact surface includes a tube-shaped shaft and a flexible, thermally conductive enclosure that is attached to the distal end of the...
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7097641 |
Catheter with cryogenic and 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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7094234 |
Interstitial brain cooling probe and sheath apparatus
Disclosed is an apparatus and method for preventing secondary ischemic injury in the brain. The apparatus includes an interstitial brain probe and an introducer sheath, which are placed into an...
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7083610 |
Device for irradiating tissue
A device for irradiating tissue includes a fluorescent element for receiving pump radiation and responsively emitting radiation having different spectral characteristics than the pump radiation. A...
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7070594 |
System and method for assessing ice ball formation during a cryoablation procedure
Systems and methods for assessing the formation of an ice ball during a cryoablation procedure are disclosed. The system includes a reference electrode that is placed in contact with the patient...
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7025762 |
Method and apparatus for cryogenic spray ablation of gastrointestinal mucosa
A method and apparatus to treat Barrett's tissue, a pre-cancerous condition, by removing the epithelium above the lower esophageal sphincter through cryo-ablation. An endoscope with fiber optics is...
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7004936 |
Refrigeration source for a cryoablation catheter
A catheter-based system for performing a cryoablation procedure uses a precooler to lower the temperature of a fluid refrigerant to a sub-cool temperature (−40° C.) at a working pressure (400...
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7004937 |
Wire reinforced articulation segment
A device for steering a cardiac cryoablation catheter through the vasculature of a patient includes separate first and second deflection members that connect a tip member to the distal end of a...
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6981382 |
Distal end for cryoablation catheters
A system and method for transferring heat requires a supply tube connected in fluid communication with a capillary tube. A tip member is positioned to surround the distal end of the capillary tube...
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6972015 |
Cryosurgical fluid supply
Improved systems, devices, and methods for delivering cryogenic cooling fluid to cryosurgical probes such as cryosurgical endovascular balloon catheters take advantage of the transients during the...
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6942659 |
Cryosurgical catheter
A cryogenic catheter includes an outer flexible member having at least one cryogenic fluid path through the flexible member. The at least one fluid path is defined by a plurality of flexible...
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6942644 |
Method and system for patient temperature management and central venous access
A catheter with three spiral heat exchange elements surrounding a central supply tube and communicating with a source of heat exchange fluid in a closed loop for effecting patient temperature...
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6913604 |
Cryosurgical catheter
A cryosurgical system including a housing having a front portion and a rear portion. The front portion and rear portion are connectable to support a fluid supply. A control unit attached to the...
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6908462 |
Apparatus and method for cryogenic inhibition of hyperplasia
Post-angioplasty hyperplasia in blood vessels is treated using a cryosurgical balloon catheter. The balloon catheter is positioned at a target region within the blood vessel, and the balloon...
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6811550 |
Safety cryotherapy catheter
Improved devices, systems, and methods for inhibiting hyperplasia in blood vessels provide controlled and safe cryotherapy treatment of a target portion within a body lumen of a patient. Efficacy...
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6786902 |
Method and apparatus for cryosurgery
The present invention pertains to an apparatus for cryosurgery. The apparatus comprises a cryoneedle having a diameter less than 3.2 mm. The apparatus is also comprised of a thermal insulation...
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6767346 |
Cryosurgical probe with bellows shaft
The malleable cryosurgical probe includes a cryostat assembly and a cryoprobe assembly. The cryostat assembly includes an elongated shaft assembly having a bellows portion thereof and a closed...
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6755823 |
Medical device with enhanced cooling power
The present invention provides a medical device to cold treat desired regions. An injection tube with an open distal end, and at least one aperture proximate thereto is disposed inside of a cooling...
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6746445 |
Cryoblation catheter handle
A cryocatheter system includes a first handle portion having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path; a second handle portion having a proximal end, a...
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6743222 |
Method of treating disorders associated with sebaceous follicles
Disclosed herein is a method of treating mammalian, for example, human, skin afflicted with a sebaceous follicle disorder, for example, acne. The method involves cooling an exposed surface of a...
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6726709 |
Method and device for reducing death and morbidity from stroke
Disclosed is an apparatus and method for preventing secondary ischemic injury in the brain. The apparatus includes an interstitial brain-cooling probe that is placed into an ischemic region of the...
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6692488 |
Apparatus for cell necrosis
A heat transfer device has first and second elongated, articulated segments, each having a turbulence-inducing exterior surface. A flexible joint connects the first and second elongated,...
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6669688 |
Method and apparatus for measuring the heat transfer coefficient during cryogen spray cooling of tissue
The invention is a technique for dynamic measurements of the heat transfer coefficient to the outer layer of the skin surface using a high thermal conductivity metal in an insulating block as the...
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