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| Number | Title | Issue Date |
| 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, articulated segments. An inner coaxial lumen is disposed within the ... | 02/17/2004 |
| 6694170 | Computer guided surgery for prostatic nerve sparing The computer system is capable of acquiring and displaying images of the prostate of a patient for assisting a surgeon in placing ablative elements in the prostate of the patient. The computer system is programmed with software capable of: 1) determining ... | 02/17/2004 |
| 6685732 | 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 through balloon angioplasty immediately following angioplasty. ... | 02/03/2004 |
| 6685702 | Device for treating tissue and methods thereof A method and devices for treating a target tissue comprising providing thermal energy to the target tissue and simultaneously providing cryogenic energy to peripheral tissue adjacent or surrounding said target tissue adapted for shielding the peripheral t... | 02/03/2004 |
| 6682551 | Method and system for treating cardiac arrest using hypothermia A method for treating cardiac arrest includes defibrillating the patient and/or ventilating the patient and/or administering a cardiac arrest drug such as epinephrine to resuscitate the patient, and then cooling the patient using one or more cooling cathe... | 01/27/2004 |
| 6676689 | Inflatable catheter for selective organ heating and cooling and method of using the same A catheter system and method are provided which change the temperature of a fluid, such as blood, by heat transfer. Selective cooling or heating of an organ may be performed by changing the temperature of the blood feeding the organ. The catheter system i... | 01/13/2004 |
| 6676690 | Inflatable heat transfer apparatus An apparatus having an inflatable balloon near a distal end of a multi-lumen catheter, with a plurality of blood flow passageways formed through the interior of the balloon from a proximal face of the inflated balloon to a distal face of the inflated ball... | 01/13/2004 |
| 6673066 | Apparatus and method to diagnose and treat vulnerable plaque The present invention may be embodied in a technique for elimination of vulnerable plaque in a vessel. Vulnerable plaque is detected in the vessel based on a temperature increase of the vessel's wall and treated using cryoablation.... | 01/06/2004 |
| 6666858 | Cryo balloon for atrial ablation The present invention pertains generally to the field of cryo balloon therapy and the use of cryo balloon therapy catheters to generate cold-induced lesions. The present invention includes a cryo balloon therapy apparatus, comprising a catheter having a p... | 12/23/2003 |
| 6656209 | Catheter system for controlling a patient's body temperature by in situ blood temperature modification The present invention provides a method and apparatus for controlling the internal body temperature of a patient. According to the present invention, a catheter is inserted through an incision into a large blood vessel of a patient. By selectively heating... | 12/02/2003 |
| 6648879 | 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. One embodiment of the cryotherapy catheter comprises a catheter body... | 11/18/2003 |
| 6648878 | Cryoplasty device and method A cryoplasty catheter and method for preventing or slowing reclosure of a lesion following angioplasty. The cryoplasty catheter includes a shaft having proximal and distal ends and a dilatation balloon disposed at the distal end. An intake lumen and exhau... | 11/18/2003 |
| 6648880 | Method of using cryotreatment to treat brain tissue A method is disclosed for treating brain tissue with cryotreatment. A surgical tool, such as a catheter is disposed proximate to a target region of brain tissue. The tool or catheter provided includes a cryotreatment element. The cryotreatment element may... | 11/18/2003 |
| 6643535 | System for providing computer guided ablation of tissue An imaging device receives imaging data from a treatment region of a patient, processes the imaging data and provides imaging output data and imaging signals. A computer system includes a guidance module for processing the imaging signals and providing tr... | 11/04/2003 |
| 6623479 | Cryosurgical instrument A cryosurgical instrument including a long, resiliently flexible cable terminating at a freezing unit with a selectively operable thermoelectric cooling device for normally freezing a leading contact tip.... | 09/23/2003 |
| 6613044 | 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 pain. Hypothermia therapy is defined as the reduction of tis... | 09/02/2003 |
| 6610083 | Multiple lumen heat exchange catheters Catheter devices and methods for intravascular heating and/or cooling of human or veterinary patients. The catheter devices generally comprise catheters having inflow and outflow lumens and at least one curvilinear balloon connected to the inflow and outf... | 08/26/2003 |
| 6602247 | Apparatus and method for performing a treatment on a selected tissue region 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 members disposed within the outer flexible member.... | 08/05/2003 |
| 6602276 | 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 catheter in the area treated or opened through balloon angio... | 08/05/2003 |
| 6602246 | Cryotherapy method for detecting and treating vulnerable plaque The present invention provides methods, apparatus, and kits for detection and/or treatment of vulnerable plaque of a blood vessel having a lumen surface. Detection methods include sensing a temperature differential along a lumen surface with temperature s... | 08/05/2003 |
| 6595988 | Cryotreatment device and method A medical device for cryotreatment of bodily regions is disclosed. The device comprises an inflatable support structure coupled to the distal end portion of a catheter shaft, the support structure being further enveloped by an expandable membrane to defin... | 07/22/2003 |
| 6592577 | 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 includes a first cooling system directing coolant to the me... | 07/15/2003 |
| 6589234 | Cryogenic medical device with high pressure resistance tip The present invention provides a medical device to cold treat desired regions. An injection tube with an open distal end is disposed inside of a catheter tube, defining a return lumen therein. A supply of cryogenic fluid, regulated by a controller mechani... | 07/08/2003 |
| 6585728 | Cryoablation catheter with an improved gas expansion chamber A cryoablation catheter having a high efficiency gas expansion chamber comprised of a generally cylindrical or hemispherical cooling chamber having a wall thickness equal to approximately one half the wall thickness of the walls of the catheter in order t... | 07/01/2003 |
| 6582455 | Method and device for applications of selective organ cooling The invention provides a method and device for selectively controlling the temperature of a selected organ of a patient for performance of a specified application. The method includes introducing a guide catheter into a blood vessel. The guide catheter ma... | 06/24/2003 |
| 6579287 | Cryosurgical ablation device having sequential injection and method therefor A device and method for cryosurgical ablation. A tip has a thermally transmissive region along a length thereof in which the thermally transmissive region is operable at a temperature sufficient to cryosurgically ablate tissue in contact therewith. A plur... | 06/17/2003 |
| 6575966 | 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 the balloon, or may cool a separate internal chamber. In ... | 06/10/2003 |
| 6572610 | Cryogenic catheter with deflectable tip A flexible cryosurgical catheter having a deflectable segment adjacent its distal end, a pull wire through said catheter connected to the deflectable segment, and a deflection mechanism in its handle for pulling on the pull wire to establish a desired cur... | 06/03/2003 |
| 6569158 | 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 vacuum source in communication with the second end of the s... | 05/27/2003 |
| 6562030 | Heater control of cryocatheter tip temperature A cryocatheter includes a catheter body defining a coolant flow path, a catheter tip exposed to the coolant flow path, and a heating element associated with the catheter tip. The heating element can be disposed entirely or partially within the catheter ti... | 05/13/2003 |
| 6554797 | Method and system for patient temperature management and central venous access A catheter with metal heat exchange elements communicating with a source of coolant in a closed loop for effecting patient temperature control and at least two infusion lumens for providing access to the central venous blood supply when the catheter is pl... | 04/29/2003 |
| 6551274 | Cryoablation catheter with an expandable cooling chamber A cryoablation catheter having an expandable cooling chamber in which the cooling fluid, preferably a gas, serves to expand the expandable cooling chamber while simultaneously cooling the chamber.... | 04/22/2003 |
| 6551309 | Dual action cryoprobe and methods of using the same Cryosurgery is performed with cryosurgical probe tips either contacting the tissue or by tips which deliver refrigerant onto the tissue. A dual action probe tip can be used to perform either operation separately or may be used for application of both meth... | 04/22/2003 |
| 6551349 | Selective organ cooling apparatus The present invention involves a selective organ heat transfer device having a flexible coaxial catheter capable of insertion into a selected feeding artery in the vascular system of a patient. A heat transfer element is attached to a distal portion of th... | 04/22/2003 |
| 6547785 | Cryoablation catheter for long lesion ablations The present invention relates to a cryoablation catheter, comprising an outer tubular body with a closed distal end to form a fluid cooling chamber and an inner tubular member having a proximal end adapted to receive fluid suitable for cryoablation and a ... | 04/15/2003 |
| 6547784 | System and method for placement of a surgical instrument in a body cavity A cryoprobe sheath has at least one positioning element that deploys and retracts to permit the insertion of the cryoprobe into a uterus without using ultrasound or fluoroscopy. Deployment of the positioning element(s) positions the cryoprobe within the u... | 04/15/2003 |
| 6546932 | Cryogenic method and apparatus for promoting angiogenesis A method of promoting blood vessel growth includes the steps of providing a cryocatheter having a thermally transmission region; placing the cryocatheter proximate an area of tissue to be treated; cooling the thermally transmissive region of the cryocathe... | 04/15/2003 |
| 6544176 | Computer guided cryosurgery The present invention is a system for placing cryoprobes in a treatment area of a human patient. The system includes a computer system for displaying an image of a treatment area, a template of suggested cryoprobe palcements in the treatment area and imag... | 04/08/2003 |
| 6544282 | Inhibition of platelet activation, aggregation and/or adhesion by hypothermia A method for treating acute coronary syndromes (i.e., unstable angina or non-Q-wave MI) or transient ischemic attacks in a human or animal patient by placing a heat exchange apparatus in the patient's vasculature and using that heat exchange apparatus to ... | 04/08/2003 |
| 6542766 | Medical devices adapted for magnetic navigation with magnetic fields and gradients A method of applying an elongate magnetic element to the surface of an internal body structure includes applying a magnetic field to the elongate magnetic element to orient the elongate magnetic element in a selected orientation; and applying a magnetic g... | 04/01/2003 |
