| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 606024000 | With heating means (e.g., defroster) | 22 |
| 20090062783 | ICE TIP HYPODERMIC NEEDLE - An ice tip is placed on the front end of a hypodermic needle to cool the flesh during insertion. The ice tip front end is sharp, for penetration, and the rear is provided with a recess, for reception of a hypodermic needle front end. The mold for forming the ice tip can be cooled by a cryogenic fluid being conducted into a main mold surrounding a tip forming heat conducting mold that is used to form the ice tip pointed front end and the recessed rear end. | 03-05-2009 |
| 20090270851 | Method and System for Cryoablation Treatment - A system and a method for its use are provided to cool a cryotip at the distal end of a probe for a cryosurgical procedure. In particular, the cryotip is cooled by a liquid refrigerant to cryogenic temperatures in order to perform a cryosurgical procedure on biological tissue. The system is closed-loop, and during transit of the liquid refrigerant through the entire system, the liquid refrigerant always remains in a liquid state at a relatively low pressure. | 10-29-2009 |
| 20100324546 | CRYOSHEATH - A device, system and method for a cryoprobe which features a heating component for heating at least a proximal portion of the tip of the cryoprobe, thereby preventing damage to an adjacent portion of tissue. | 12-23-2010 |
| 20110306958 | Closed Loop Cryosurgical Pressure And Flow Regulated System - A system for selectively cooling and warming a cryosurgical instrument using a dual phase cryogen, including: two sources of the cryogen, a first source storing liquid phase cryogen and having a first source heater therein that selectively converts at least some of the liquid phase cryogen into gaseous phase cryogen and a second source storing the gaseous phase cryogen; a cryogen delivery control section selectively delivering cryogen to the tip; a cryogen return path from the tip to the first and second sources; a cryogen return control section that includes a pump that pumps the returning cryogen to the second source; and a pressure control section including a first pressure sensor that senses a pressure in the first source, a second pressure sensor that senses a pressure in the second source, and a pressure regulator that regulates the pressure of the first source based on information from the pressure sensors. | 12-15-2011 |
| 20120059364 | Cryogenic Medical System - A cryogenic medical device for delivery of subcooled liquid cryogen to various configurations of cryoprobes is designed for the treatment of damaged, diseased, cancerous or other unwanted tissues, particularly as utilized for the ablation of cardiac tissue in the treatment of atrial fibrillation. The device is a closed or semi-closed system in which the liquid cryogen is nitrogen contained in both the supply and return stages. The device is capable of generating cryogen to a supercritical state, specifically supercritical nitrogen, and may be utilized in any rapid cooling systems. As designed, the device also integrates endocardial catheters and epicardial probes. | 03-08-2012 |
| 20130030425 | MESH-OVERLAYED ABLATION AND MAPPING DEVICE - A medical system, including a catheter body, an elongate body disposed in the catheter body; an expandable element having a proximal portion coupled to the catheter body and a distal portion coupled to the elongate body, the distal portion of the expandable element defining the distal-most portion of the medical device; a mesh or array of longitudinal splines substantially surrounding the expandable element, at least a portion of the mesh or splines being electrically conductive; and a coolant source in fluid communication with the expandable element. | 01-31-2013 |
| 20130103020 | Cryosurgical system - An invention relates to the area of cryosurgical equipment. It proposes a cryosurgical system, which incorporates measuring and computing means for estimation of a real time ice ball diameter and operation temperature of a cryotip (the distal section of a cryosurgical probe). The cryosurgical probe of the cryosurgical system operates by blowing in a gaseous medium at cryogenic temperature. | 04-25-2013 |
| 20130184696 | Cryogenic Needle with Freeze Zone Regulation - A cryogenic needle of a cryogenic system is coupled to a heater. While the needle is inserted into target tissue beneath skin, the heater provides heat to protect the skin. Power supplied to the heater is used to interpolate performance of the needle and/or operating parameters of the cryogenic system. | 07-18-2013 |
| 20130204241 | DUAL THERMAL ABLATION DEVICE AND METHOD OF USE - The invention is a multi-functional ablation device that encompasses the use of both heat energy and cryogenic energy as integrated into one medical device. In one embodiment, the medical device integrates a heat source such as RF or HIFU in combination with a source of cryogenic energy such that the multi-functional ablation device is a dual thermal ablation device capable of utilizing either energy source alone or in combination. | 08-08-2013 |
| 20130253497 | Needle for treating diseases - A hollow needle for removing unhealthy inclusions from organism is cooled by filling with a cooling medium by its cooling device and freezes an inclusion, the needle is then heated by it heating device to dislodge the inclusion, and thereafter the dislodged inclusion is withdrawn through a passage in the needle by its withdrawing device. | 09-26-2013 |
| 20130324989 | Percutaneous Methods and Devices for Carotid Body Ablation - Methods and percutaneous devices for assessing, and treating patients having sympathetically mediated disease, involving augmented peripheral chemoreflex and heightened sympathetic tone by reducing chemosensor input to the nervous system via percutaneous carotid body ablation. | 12-05-2013 |
| 20130331829 | CRYOABLATION APPARATUS WITH ENHANCED HEAT EXCHANGE AREA AND RELATED METHOD - A cryoablation apparatus includes a distal energy delivery section to facilitate energy transfer to the tissue, resulting in faster achievement of tissue target temperatures. The energy delivery section includes a first heat exchange region and a second heat exchange region having a different heat exchange efficiency than the first heat exchange region. The first heat exchange region may comprise an increased surface area along a radial portion or length of the cryoprobe in contact with surrounding tissue. The heat exchange region may include ridges, texture, threads, and microtubes which serve to increase the thermal-contacting surface area and provide enhanced cryoenergy to the tissue. | 12-12-2013 |
| 20140276710 | DEVICE AND METHOD FOR IMPROVED SAFETY AND EFFICACY FOR CRYOABLATION - A method and system for improved lesion creation. The method generally includes positioning a treatment element of a medical device proximate an area of target tissue and operating a control unit in accordance with a duty cycle, that includes at least one freeze-warm cycle, each freeze-warm cycle including: supplying coolant to the treatment element at a first flow rate that causes the treatment element to reach a first temperature, the first temperature causing ablation of the target tissue and cryoadhesion between the treatment element and target tissue, and supplying coolant to the treatment element at a second flow rate that causes the treatment element to reach a second temperature, the second temperature being higher than the first temperature and the second flow rate being lower than the first flow rate, the second temperature being above a temperature at which ablation occurs and below a temperature at which cryoadhesion is broken. | 09-18-2014 |
| 20140316398 | SYSTEMS AND METHODS RELATED TO SELECTIVE HEATING OF CRYOGENIC BALLOONS FOR TARGETED CRYOGENIC NEUROMODULATION - Systems and methods related to selective heating of cryogenic balloons for targeted cryogenic neuromodulation are disclosed herein. A cryotherapeutic device configured in accordance with a particular embodiment of the present technology can include an elongated shaft having a proximal portion and a distal portion. The shaft can be configured to locate the distal portion in a vessel. The cryotherapeutic device can further include a cryoballoon extending from the distal portion and a plurality of heating elements arranged about the cryoballoon. The plurality of heating elements can be individually controlled to selectively deliver heat to tissue of a wall of the vessel proximate the outer surface of the cryoballoon. | 10-23-2014 |
| 20140343542 | Methods, Systems, and Devices for Treating Neuromas, Fibromas, Nerve Entrapment, and/or Pain Associated Therewith - A method in which a location is determined on the skin that is proximate to a sensory nerve that is associated with a painful condition. At least one needle of a cryogenic device is inserted into the location on the skin such that the needle is proximate to the sensory nerve. The device is activated such that the at least one needle creates a cooling zone about the sensory nerve, thereby eliminating or reducing severity of the painful condition. | 11-20-2014 |
| 20140343543 | Cryogenic Enhancement of Joint Function, Alleviation of Joint Stiffness and/or Alleviation of Pain Associated With Osteoarthritis - A method in which a location is determined on the skin that is proximate to a sensory nerve that is associated with a painful condition. At least one needle of a cryogenic device is inserted into the location on the skin such that the needle is proximate to the sensory nerve. The device is activated such that the at least one needle creates a cooling zone about the sensory nerve, thereby eliminating or reducing severity of the painful condition. | 11-20-2014 |
| 20140343544 | Methods and Systems for Treatment of Occipital Neuralgia - A system for alleviating occipital neuralgia. The system has a needle probe having at least one needle. The at least one needle has a proximal end, a distal end, and a needle lumen therebetween, the needle configured for insertion proximate to a location of the occipital nerve. A cooling fluid supply lumen extends distally within the needle lumen to a distal portion of the needle lumen. A cooling fluid source is coupled to the cooling fluid supply lumen to direct cooling fluid flow into the needle lumen. A controller that has at least one processor configured implements an occipital neuralgia treatment algorithm for controlling the cooling fluid source so that liquid from the cooling flow vaporizes within the needle lumen to provide a treatment phase to location of the occipital nerve such that the occipital neuralgia is mitigated. | 11-20-2014 |
| 20140371733 | All-Liquid Cryoablation Catheter - A system and a method for its use are provided to cool a cryotip at the distal end of a probe for a cryosurgical procedure. In particular, the cryotip is cooled by a liquid refrigerant to cryogenic temperatures in order to perform a cryosurgical procedure on biological tissue. For the invention, the system maintains the refrigerant in a liquid state as it transits through the cryotip. In one embodiment, a closed system is disclosed in which liquid refrigerant from the cryotip is recycled and reused. In another disclosed embodiment, liquid refrigerant from the cryotip is evaporated and the resulting vapor is released through a vent. | 12-18-2014 |
| 20150126986 | Apparatus and Methods Related to Constrained Deployment of Cryogenic Balloons for Limited Cryogenic Abiation of Vessel Walls - Embodiments related to cryogenically ablating a portion of the inner surface of a vessel by constraining a cryoballoon using various apparatuses and methods are disclosed. For example, a catheter can include a cryoballoon for ablation of the vessel wall and a constraining element disposed substantially in parallel with the cryoballoon to deflect or offset a portion of the cryoballoon away from non-target tissue of the vessel wall and prevent ablation of the non-target tissue. Partial circumferential, non-continuous, or helical ablation can be effective for treating a variety of renal, cardio-renal, and other diseases including but not limited to hypertension, heart failure, renal disease, renal failure, contrast nephropathy, arrhythmia, and myocardial infarction. The constraining element may be, for example, a second inflatable balloon or one or more self-expanding prongs. | 05-07-2015 |
| 20150289920 | APPARATUS AND METHODS FOR REGULATING CRYOGENIC TREATMENT - Apparatus and methods for regulating cryogenic treatments are disclosed which comprise devices and methods for delivering controlled treatment of a cryoablative agent. In one variation, such devices may generally comprise an elongate probe having a distal tip and a flexible length, at least one infusion lumen positioned through or along the elongate probe, wherein the infusion lumen defines one or more openings along its length, and a liner expandably enclosing the probe. An inflow reservoir or canister valve may be fluidly coupled with a reservoir or canister containing the cryoablative agent and a modulation control unit may also be fluidly coupled with the inflow reservoir or canister valve and in fluid communication with the at least one infusion lumen. Additionally, a warming element may also be thermally coupled with the reservoir or canister. | 10-15-2015 |
| 20160183998 | Cryogenic Needle With Freeze Zone Regulation - A cryogenic needle of a cryogenic system is coupled to a heater. While the needle is inserted into target tissue beneath skin, the heater provides heat to protect the skin. Power supplied to the heater is used to interpolate performance of the needle and/or operating parameters of the cryogenic system. | 06-30-2016 |
| 20160249969 | Catheter for Plaque Stabilisation | 09-01-2016 |
