Class 606/21 - Internal application

Subclass of Class 606 - Surgery
Definition: Subject matter designed for application within the natural
No. of patents: 337
Last issue date: 05/29/2012

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Number	Title	Issue Date
8187261	Regulating internal pressure of a cryotherapy balloon catheter A method of performing a cryotherapy procedure can include introducing a cryotherapy balloon catheter at a treatment site inside a patient's body; regulating, during a first phase of a cryotherapy procedure, flow of cryogenic fluid to and exhaust from a distal ballo...	05/29/2012
8177780	Surgical system and procedure for treatment of medically refractory atrial fibrillation The invention provides surgical systems and methods for ablating heart tissue within the interior and/or exterior of the heart. A plurality of probes is provided with each probe configured for introduction into the chest for engaging the heart. Each probe includes a...	05/15/2012
8177779	Controllable pressure cryogenic balloon treatment system and method Devices, systems, and methods controllably cool blood vessels and other body lumens. The blood vessel will often be treated for atherosclerotic or other diseases by inflating a balloon so as to engage the surrounding luminal wall. Controlled cooling of the balloon e...	05/15/2012
8162929	Cryoablation segment for creating linear lesions An applicator for cryoablating tissue to form linear (i.e. straight line and curvilinear) lesions in targeted tissue includes a fluid refrigerant delivery system having a source of a fluid refrigerant and a tubular cryoablation segment. Structurally, the segment has...	04/24/2012
8142424	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 portion and a proximal portion, an inflatable cryogenic element, defini...	03/27/2012
8128617	Electrical mapping and cryo ablating with a balloon catheter In some implementations, a method of ablating body tissue includes (a) locating an inflatable balloon portion of a cryotherapy balloon catheter at a treatment site internal to a patient's body, and inflating the inflatable balloon portion; (b) employing electrodes t...	03/06/2012
8123741	Treating internal body tissue Some embodiments of the invention relate to a system for treating tissue internal to a body, such as heart tissue. For example, the system may be used to ablate tissue as a treatment for atrial fibrillation. In certain embodiments, the system is capable of causing s...	02/28/2012
8088125	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 exhaust lumen ar...	01/03/2012
8083732	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 injected coolant circulates to lower the tip temperature, and having ...	12/27/2011
8066697	Multiple cryoprobe delivery apparatus 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 hollow of the introducer being designed and constructed for containing...	11/29/2011
8048066	Cryotreatment device and method of forming conduction blocks Cryotreatment devices and methods of ablating tissue within the body are disclosed. A cryotreatment device in accordance with an exemplary embodiment of the present invention includes an elongated member having one or more needle-like ablation tips configured to ind...	11/01/2011
8029502	Cryosurgical probe assembly with multiple deployable cryoprobes The cryosurgical probe assembly with multiple deployable cryoprobes includes a) a housing assembly; b) a plurality of elongated structural support elements, each securely connected at a first end to the housing assembly; c) a tip member securely connected to second ...	10/04/2011
8012147	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 angioplasty, after angioplasty, or both. The invention is believed to inhibit ...	09/06/2011
7998137	Subdermal cryogenic remodeling of muscles, nerves, connective tissue, and/or adipose tissue (fat) Devices, systems, and methods treat cosmetic defects, and often apply cooling with at least one tissue-penetrating probe inserted through of the skin of a patient. The cooling may remodel one or more target tissue so as to effect a desired change in a composition of...	08/16/2011
7967814	Cryoprobe with vibrating mechanism Cryoprobes and a cryotherapy method. A cryoprobe includes: a shaft having a central axis, a tip at a first end, a male socket section at a second end opposite the first end, a cryogen feeding pipe extending from the tip through the male socket section along the axis...	06/28/2011
7959625	Method and system for cryoablating fibroadenomas 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 in two stages, including a high power freeze and a low power freeze....	06/14/2011
7951140	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 injected coolant circulates to lower the tip temperature, and having ...	05/31/2011
7942870	Apparatus and method for accurately delimited cryoablation The present invention is of a system and method for accurate cryoablation, useable to enhance a surgeon's ability to accurately cryoablate a selected cryoablation target and to limit cryoablation to that selected target. Presented are apparatus and method for accura...	05/17/2011
7896870	Catheter with cryogenic and electrical heating ablation A catheter includes a cryoablation tip with an ablation assembly for heating tissue. The cryoablation tip may be implemented with a cooling chamber and have an RF electrode at its distal end. The electrode may be operated to warm cryogenically-cooled tissue, or the ...	03/01/2011
7862557	Cryotherapy methods for treating vessel dissections and side branch occlusion The present invention provides cryotherapy treatment of dissections in a blood vessel of a patient. The present invention further provides cryotherapy treatment of side branch occlusion in a bifurcated blood vessel. One method for treating potential or existing diss...	01/04/2011
7850682	Systems for MRI-guided cryosurgery The present invention is of systems and methods for MRI-guided cryosurgery. The systems enable a surgeon positioned next to a patient and within an MRI magnetic environment both to monitor progress of a cryosurgical intervention by observing MRI images of the interv...	12/14/2010
7794454	Method and device for epicardial ablation A method is disclosed for treating heart and vascular tissue with cryotreatment. A medical instrument, such as a catheter is positioned to contact a target region of cardiac tissue such as the epicardial tissue. The instrument or catheter provided includes a cryotre...	09/14/2010
7794455	Wide area ablation of myocardial tissue The present invention advantageously provides a method and system for cryogenically ablating large areas of tissue within the left atrium. In an exemplary embodiment a cryotherapy device includes a catheter body having a substantially fixed diameter, a proximal end ...	09/14/2010
7780658	Method and system for cryoablating fibroadenomas 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 in two stages, including a high power freeze and a low power freeze....	08/24/2010
7753905	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 members disposed within the outer flexible member. ...	07/13/2010
7740627	Surgical method and apparatus for treating atrial fibrillation The present invention advantageously provides a method and system for cryogenically ablating large areas of tissue within the left atrium. In an exemplary embodiment a cryotherapy device includes a catheter body, a proximal end and a distal end; a first lumen; a sec...	06/22/2010
7727228	Method and apparatus for inflating and deflating balloon catheters A system and method for controlling the inflation, ablation, and deflation of a balloon catheter is provided. The system includes a balloon catheter, a console having a pressurized gas or liquid inflation source, and an umbilical system to deliver pressurized coolan...	06/01/2010
7713266	Subdermal cryogenic remodeling of muscles, nerves, connective tissue, and/or adipose tissue (fat) Devices, systems, and methods treat cosmetic defects, and often apply cooling with at least one tissue-penetrating probe inserted through of the skin of a patient. The cooling may remodel one or more target tissue so as to effect a desired change in a composition of...	05/11/2010
7699839	Thermally conductive surgical probe A surgical process for freezing or cauterizing infected tissue, by inserting a transparent sleeve through a small slit in the flesh of a patient and wherein the inserted end of the sleeve is provided with a cone-shaped tip. Monitoring of the sleeve and probe inserti...	04/20/2010
7674256	Treating internal body tissue Some embodiments of the invention relate to a system for treating tissue internal to a body, such as heart tissue. For example, the system may be used to ablate tissue as a treatment for atrial fibrillation. In certain embodiments, the system is capable of causing s...	03/09/2010
7648497	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 the first c...	01/19/2010
7625368	Endometrial ablation device and method A device for uniform ablation of the endometrium comprises a transparent inflatable coolable balloon, flexible cryoprobes operable to be advanced into the uterine cornuae, an applicator operable to deliver balloon and cryoprobes to and from the uterine cavity, and o...	12/01/2009
7625369	Method and device for epicardial ablation A method is disclosed for treating heart and vascular tissue with cryotreatment. A medical instrument, such as a catheter is positioned to contact a target region of cardiac tissue such as the epicardial tissue. The instrument or catheter provided includes a cryotre...	12/01/2009
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 with the chamber wall. A laser directly heats the free surface of th...	11/10/2009
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 cross-section of the probe. The device includes a sheath configured and dimension...	07/21/2009
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 loop or closed loop, and a precool loop will typically be closed loop....	06/30/2009
7527622	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. Plural balloon...	05/05/2009
7517345	Surgical system and procedure for treatment of medically refractory atrial fibrillation The invention provides surgical systems and methods for ablating heart tissue within the interior and/or exterior of the heart. A plurality of probes is provided with each probe configured for introduction into the chest for engaging the heart. Each probe includes a...	04/14/2009
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 that the proximate to a portion of the alimentary canal having tissue ...	03/24/2009
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 source of heat transfer fluid by at least one fluid path, a pump for...	03/10/2009

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Class 606/21 - Internal application