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7615048 |
Engine with liquid piston
An engine comprises a liquid piston disposed within a chamber of an engine body. The chamber is defined by at least one wall. The liquid piston has one or more free surfaces that are not in contact...
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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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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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7582083 |
Probe based low temperature lesion formation apparatus, systems and methods
Probe based low temperature lesion formation apparatus, systems and methods include, in one embodiment, a surgical probe having a relatively short shaft (e.g. between 3-12 cm) defining a distal...
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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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7507234 |
Method for cryogenic tissue ablation
Methods of accessing and ablating abnormal epithelium tissue in an alimentary canal are provided. The methods can include steps of (i) inserting an operative element into an alimentary canal such...
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7500973 |
Cryosurgical devices and methods for endometrial ablation
A cryoablation system including a cannula having a proximal end, a distal end, and a longitudinal axis, an expandable balloon extending from the distal end of the cannula and fluidly connected to a...
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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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7481806 |
Cryosurgical instrument and its accessory system
The invention proposes a cryosurgical instrument and its accessory system operating on the base of a refrigerant evaporation. The invention comprises combination of some technical solutions. Flow...
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7480533 |
Ablation treatment of bone metastases
Ablative treatment of metastatic bone tumors and relief of pain associated with metastatic bone tumors is achieved by heat ablation of the bone tumor or tissue near the bone tumor by an ablation...
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7479139 |
Apparatus and method for protecting tissues during cryoablation
An apparatus and method for protecting the neurovascular bundle during cryoablation of tissues of the prostate by heating the vicinity of the neurovascular bundle while cooling pathological tissues...
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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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7458968 |
Device for neurocryo analgesia and anesthesia
A catheter system and method for selectively cooling or freezing target neuronal tissue to induce lesions along the neuroaxis and produce cryoanalgesia by impairing nerve conduction of the targeted...
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7458379 |
Method and system for cryoablating tumors
A cryosurgical system adapted for treatment of fibroadenomas within the breast of a patient. The system includes cryoprobes and a control system which operates the cryoprobes to accomplish freezing...
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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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7442190 |
Contact assessment of balloon catheters
A method and system for determining contact assessment includes the steps of positioning a catheter at a tissue treatment site, where the catheter has a proximal end portion and a distal end...
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7422583 |
Cryo-surgical apparatus and method of use
Cryosurgical apparatus includes an elongate cryoprobe having a cooling portion and an electrically conductive first portion in the region of the cooling portion. A removable sheath having an...
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7410484 |
Cryotherapy probe
A gas-based cryotherapy probe is provided with a shaft having a closed distal end adapted for insertion into a body. A supply conduit is disposed longitudinally within the shaft for flowing gas...
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7404816 |
Leak detection system
A surgical device includes a device body defining a sealed fluid path having a first end and a second end, a refrigerant supply in communication with the first end of the sealed fluid path, and a...
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7393350 |
Cryo-surgical apparatus and methods
Cryosurgical apparatus includes an elongate cryoprobe having an electrically conductive first portion and multiple cooling elements. A removable sheath having an electrically conductive second...
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7387638 |
System and method using the rectal mucosal membrane for inducing hypothermia and warming
A system and method for cooling and warming the central nervous system of a patient comprises a delivery tube with one of the ends couplable to a supply of fluid. A head structure is coupled to the...
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7381208 |
Cryosurgical devices for endometrial ablation
A cryoablation system for performing endometrial ablation comprising an elongated tubular cannula having a proximal end, a distal end, and a longitudinal axis, an expandable balloon extending from...
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7363071 |
Computer guided ablation of tissue using integrated ablative/temperature sensing devices
The system for providing computer guided ablation of tissue of a patient includes an imaging device, an ablative surgical computer system, and a set of surgical devices. The imaging device receives...
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7357797 |
System and method for varying return pressure to control tip temperature of a cryoablation catheter
A cryoablation device having a temperature control system includes an elongated catheter tube that has a central lumen and is formed with a closed distal tip. The distal end of a refrigerant supply...
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7344530 |
Thermal surgical procedures and compositions
Methods, compositions, and systems useful to enhance a thermal surgical procedure are described. Compositions include at least one compound effective to induce an inflammatory response in...
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7322973 |
Method and apparatus for preventing atrial fibrillation
A method and apparatus for reducing the likelihood of post operative atrial fibrillation by cooling specific nerves in the heart. In an exemplary method, a semi-rigid probe having a distal portion...
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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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7306621 |
Heat transfer control for a prosthetic retinal device
A method for controlling heat dissipated from a prosthetic retinal device is described. A heat transfer device employs the Peltier heat transfer effect to cool the surface of the retinal device...
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7306590 |
Therapeutic apparatus having insulated region at the insertion area
Apparatus and methods for insulating tissue during therapeutic procedures.
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7300433 |
Endovascular cryotreatment catheter
An elongated catheter device with a distal balloon assembly is adapted for endovascular insertion. Coolant injected through the device may, in different embodiments, directly cool tissue contacting...
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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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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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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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7273479 |
Methods and systems for cryogenic cooling
Methods and systems are provided for cooling an object with a cryogen having a critical point defined by a critical-point pressure and a critical-point temperature. A pressure of the cryogen is...
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7252663 |
Device and method for the creation of a circumferential cryogenic lesion in a pulmonary vein
A device and method for ablating tissue includes a sheath system with an occlusion structure. In certain embodiments, arrhythmias originating in pulmonary veins are treated cryogenically.
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7238184 |
Ablation probe with peltier effect thermal control
A tissue ablation probe, system, and method are provided. The ablation probe comprises an elongated member, an ablative element mounted on the distal end of the elongated member, and at least one...
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7220257 |
Cryotreatment device and method
Devices and methods for cooling vessel walls to inhibit restenosis in conjunction with medical procedures such as coronary artery angioplasty. Stenosed vessel walls can be cooled prior to...
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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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7195625 |
Catheter system for performing a single step cryoablation
A system for cryoablating target tissue at a treatment site includes a cryo-element that is attached to the distal end of a cryo-catheter. An annular shaped balloon is attached to a cylindrical...
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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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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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7156824 |
System and method for delivering thermally sensitive and reverse-thermal gelation materials
A catheter for injecting a thermally sensitive gelation material to remote sites within a patient's body by maintaining the thermally sensitive gelation material in a liquid state until it is...
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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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7144394 |
Selective delivery of cryogenic energy to intervertebral disc tissue and related methods of intradiscal hypothermia therapy
The present invention relates to devices and methods for altering the tissue in and around an intervertebral disc through localized hypothermia therapy to restore function of the disc and reduce...
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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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