Tsunami MedTech, LLC Patent applications |
Patent application number | Title | Published |
20140324037 | METHODS FOR DELIVERING ENERGY INTO A TARGET TISSUE OF A BODY - An instrument and method for tissue thermotherapy including an inductive heating means to generate a vapor phase media that is used for interstitial, intraluminal, intracavity or topical tissue treatment. In one method, the vapor phase media is propagated from a probe outlet to provide a controlled vapor-to-liquid phase change in an interface with tissue to thereby apply ablative thermal energy delivery. | 10-30-2014 |
20140276713 | MEDICAL SYSTEM AND METHOD OF USE - Methods, systems and devices for applying energy to tissue, and more particularly relates to a system for ablating or modifying structures in a body with systems and methods that generate a flow of vapor at a controlled flow rate for applying energy to the body structure | 09-18-2014 |
20140200570 | MEDICAL SYSTEM AND METHOD OF USE - An instrument and method for applying thermal energy to targeted tissue. An instrument and method for tissue thermotherapy. In one embodiment, a method includes providing a vapor source comprising a pump configured for providing a flow of liquid media from a liquid media source into a vaporization chamber having a heating mechanism, actuating the pump to provide the liquid into the vaporization chamber, applying energy from the heating mechanism to convert a substantially water liquid media into a minimum water vapor level for causing an intended effect in tissue. For examples such levels can comprise at least 60% water vapor, at least 70% to water vapor, at least 80% water vapor or at least 90% water vapor for causing an intended effect in tissue. | 07-17-2014 |
20140200569 | MEDICAL INSTRUMENTS AND TECHNIQUES FOR THERMALLY-MEDIATED THERAPIES - A surgical instrument for thermally-mediated therapies in targeted tissue volumes and for causing thermal effects in polymer tissue-contacting members. In one embodiment, the instrument has a working end with an interior chamber that is supplied with a biocompatible liquid. An energy source causes a liquid-to-vapor phase change within the interior of the instrument. The vapor phase media then is ejected from the working surface of the instrument, and a controlled vapor-to-liquid phase change in an interface with tissue applies thermal energy substantially equal to the heat of vaporization to ablate tissue. The vapor-to-liquid phase transitions, or internal energy releases, can be provided about thin-film flexible structures for engaging body lumens and cavities. An exemplary embodiment can be used for shrinking, sealing, welding or creating lesions in tissue—while causing limited collateral thermal damage and while totally eliminating electrical current flow in the engaged tissue. | 07-17-2014 |
20140031805 | METHOD FOR TREATING TISSUE - This invention relates to a novel surgical device scalable to small dimensions for thermally-mediated treatments or thermoplastics of targeted tissue volumes. An exemplary embodiment is adapted for fusing, sealing or welding tissue. The instruments and techniques utilize a thermal energy delivery means, for example an electrical energy source, to instantly elevate the temperature of a biocompatible fluid media within an electrically insulated instrument portion. The altered media which may then be a gas is characterized by a (i) a high heat content, and (ii) a high exit velocity from the working end, both of which characteristics are controlled to hydrate tissue and at the same time denature proteins to fuse, seal, weld or cause any other thermally-mediated treatment of an engaged tissue volume—while causing limited collateral thermal damage and while totally eliminating electrical current flow the engaged tissue volume. The system can further utilize a piezoelectric material that carried fluid channels to apply compressive forces to the fluid eject the fluid from the working end of make it require less electrical energy to convert it to a gas. | 01-30-2014 |
20140025057 | MEDICAL SYSTEM AND METHOD OF USE - An instrument and method for applying thermal energy to targeted tissue. An instrument and method for tissue thermotherapy. In one embodiment, a method includes providing a vapor source comprising a pump configured for providing a flow of liquid media from a liquid media source into a vaporization chamber having a heating mechanism, actuating the pump to provide the liquid into the vaporization chamber, applying energy from the heating mechanism to convert a substantially water liquid media into a minimum water vapor level for causing an intended effect in tissue. For examples such levels can comprise at least 60% water vapor, at least 70% water vapor, at least 80% water vapor or at least 90% water vapor for causing an intended effect in tissue. | 01-23-2014 |
20140018890 | MEDICAL PROBES FOR THE TREATMENT OF BLOOD VESSELS - Devices and methods for thermally-mediated treatment of blood vessels to elicit an immune response to cause rapid endothelial growth over at least portions of an implant or stent to prevent adverse events such as restenosis. Devices and methods for thermally-mediated treatment to inhibit contraction of vessels to | 01-16-2014 |
20130237978 | MEDICAL INSTRUMENT AND METHOD OF USE - An instrument for thermally-mediated therapies in targeted tissue volumes or for volumetric removal of tissue. In one embodiment, the instrument has an interior chamber that includes a diffuser structure for diffusing a biocompatible conductive fluid that is introduced under high pressure. The interior chamber further includes surfaces of opposing polarity electrodes for vaporizing the small cross-section diffused fluid flows created within a diffuser structure. In one embodiment, the diffuser structure includes a negative temperature coefficient of resistance material between the opposing polarity surfaces. The NTCR structure can self-adjust the lengths of current paths between the opposing polarities to insure complete vaporization of the volume of flow of conductive fluid. The non-ionized vapor phase media is ejected from a working surface of the instrument and a controlled vapor-to-liquid phase chance in an interface with tissue applies thermal energy substantially equal to the heat of vaporization to ablate tissue. In another embodiment, the instrument provides voltage means for converting the non-ionized vapor phase media into an ionized media or plasma for applying energy to body structure. | 09-12-2013 |
20130116683 | MEDICAL SYSTEM AND METHOD OF USE - Medical instruments and systems for applying energy to tissue, and more particularly relates to systems for ablating or damaging structures in a body or vessel wall to alter electrical conduction therein to cause an intended therapeutic effect. Variations include devices and methods for generating a high pressure flow of a liquid media and/or a vapor media to treat the targeted tissue by the application of mechanical energy, thermal energy or chemical energy to such targeted tissue. | 05-09-2013 |
20130079772 | METHOD FOR PERFORMING LUNG VOLUME REDUCTION - This invention relates to surgical instruments for applying, energy to tissue. In one embodiment, an elongated introducer has a handle portion that includes an interior chamber that is supplied with a biocompatible liquid under pressure. An energy source causes a liquid-to-vapor phase change within the interior chamber and ejects a flow of vapor media from the working end of the introducer. The flow of vapor is controlled by a computer controller to cause a selected pressure, a selected volume of vapor, and an optional aspiration of vapor condensate. Contemporaneous with tissue contact, the vapor undergoes a vapor-to-liquid phase transition which delivers large amount of energy to the targeted tissue. In one embodiment, the system is configured for volumetric removal of tissue by means of high velocity ejection of a vapor media from a first vapor port proximate to soft tissue wherein the vapor-to-liquid phase change of the media applies energy to the tissue. The system provides a second port coupled to a suction source that cooperates with the first vapor port to suction tissue debris from the targeted site. | 03-28-2013 |
20120259271 | MEDICAL INSTRUMENTS AND TECHNIQUES FOR TREATING PULMONARY DISORDERS - Methods and devices for delivering energy to lung tissue, for example to cause lung volume reduction by generating a flow of vapor and introducing the flow of vapor into the lung where the vapor delivers thermal energy sufficient to modify lung tissue. | 10-11-2012 |
20120065632 | MEDICAL INSTRUMENT AND METHOD OF USE - This invention relates to surgical instruments for applying energy to tissue using a vapor-to-liquid phase transition which delivers large amount of energy to the targeted tissue. In one embodiment, the system is configured for volumetric removal of tissue by means of high velocity ejection of a vapor media from a first vapor port proximate to soft tissue wherein the vapor-to-liquid phase change of the media applies energy to the tissue. The system provides a second port coupled to a suction source that cooperates with the first vapor port to suction tissue debris from the targeted site. | 03-15-2012 |
20110264090 | MEDICAL INSTRUMENTS AND TECHNIQUES FOR TREATING PULMONARY DISORDERS - A surgical instrument for delivering energy to lung tissue, for example to cause lung volume reduction. In one embodiment, an elongated catheter has a handle portion that includes an interior chamber that is supplied with a biocompatible liquid media under pressure. An energy source delivers energy to the media to cause a liquid-to-vapor phase change within the interior chamber and ejects a flow of vapor media from the working end of the catheter. The delivery of energy and the flow of vapor are controlled by a computer controller to cause a selected pressure and selected volume of vapor to propagate to the extremities of the airways. Contemporaneously, the vapor undergoes a vapor-to-liquid phase transition which delivers large amount of energy to the airway tissue. The thermal energy delivered is equivalent to the heat of vaporization of the fluid media, which shrinks and collapses the treated airways. The treated tissue is the maintained in a collapsed state by means of aspiration for a short interval to enhance tissue remodeling. Thereafter, the patient's wound healing response causes fibrosis and further remodeling to cause permanent lung volume reduction. | 10-27-2011 |
20110160648 | MEDICAL SYSTEM AND METHOD OF USE - A system and method for tissue thermotherapy including a source for generating a vapor phase media for treating a space in a human body, such as and intraluminal or intracavity space. The system further includes a filtering member for allowing a recirculation of flowable media about an interface with tissue, wherein the filtering member prevent ablation detritus from interfering with media outflows from the working end. | 06-30-2011 |
20110118717 | TISSUE ABLATION SYSTEMS AND METHODS OF USE - This invention relates to medical instruments and systems for applying energy to tissue. Variations of the systems and methods described herein include ablating, sealing, and extracting tissue with high pressure flows of fluids that in part utilizes a vapor-to-liquid phase change of flow media to apply thermal energy to the tissue. | 05-19-2011 |
20110077628 | MEDICAL SYSTEM AND METHOD OF USE - An instrument and method for tissue thermotherapy including an inductive heating means to generate a vapor phase media that is used for interstitial, intraluminal, intracavity or topical tissue treatment. In one method, the vapor phase media is propagated from a probe outlet to provide a controlled vapor-to-liquid phase change in an interface with tissue to thereby apply ablative thermal energy delivery. | 03-31-2011 |
20100262133 | MEDICAL SYSTEMS AND METHODS FOR ABLATING AND ABSORBING TISSUE - Methods, devices, and systems are described herein for applying energy to tissue for ablation of tissue while allowing the tissue to be resorbed within the body. Such methods, devices, and systems control application of energy to maintain a temperature of target tissue above an ablation temperature, being dependent upon the activation time, and below a transformation temperature, also being dependent upon the activation time, where the transformation prevents or hinders resorption of the treated tissue by the body. | 10-14-2010 |
20100185189 | MEDICAL SYSTEM AND METHOD OF USE - A tissue evacuation device may be designed to provide a high-energy fluid (e.g., a heated vapor) to targeted tissue for breaking down the targeted tissue, such as the nucleus of an intervertebral disc. An inner tube positioned within an outer tube, having a nozzle coupled to distal ends of the tubes, having a heating element positioned between the inner and outer tubes, delivers a heated vapor through a port to the nozzle to break down tissue. After the nucleus or other targeted tissue is broken down, the tissue evacuation device may also remove some or all of the broken down tissue. | 07-22-2010 |
20100076416 | MEDICAL PROBES FOR THE TREATMENT OF BLOOD VESSELS - Devices and methods for thermally-mediated treatment of blood vessels to elicit an immune response to cause rapid endothelial growth over at least portions of an implant or stent to prevent adverse events such as restenosis. Devices and methods for thermally-mediated treatment to inhibit contraction of vessels to | 03-25-2010 |
20090312753 | THERMOTHERAPY DEVICE - This invention relates to the working end of a medical instrument that applies energy to tissue. In one embodiment, the instrument has a microfluidic tissue-engaging surface fabricated by soft lithography means together with optional superlattice cooling means that allows for very precise control of energy application, for example in neurosurgery applications. The tissue-engaging surface can eject a high-heat content vapor into the engaged tissue for treating tissue, while the superlattice cooling structure can prevent collateral thermal damage. Also, the superlattice cooling structure can be used to localize heat at a selected depth in tissue and prevent surface ablation. Also, the superlattice cooling structure can be used to prevent tissue sticking to a thermal energy delivery surface. In another embodiment, the tissue-engaging surface can be used in a jaw structure for sealing tissue together with hydrojet means for transecting the tissue. | 12-17-2009 |
20090216220 | MEDICAL SYSTEM AND METHOD OF USE - An instrument and method for tissue thermotherapy including an inductive heating means to generate a vapor phase media that is used for interstitial, intraluminal, intracavity or topical tissue treatment. In one method, the vapor phase media is propagated from a probe outlet to provide a controlled vapor-to-liquid phase change in an interface with tissue to thereby apply ablative thermal energy delivery. | 08-27-2009 |
20090149846 | MEDICAL SYSTEM AND METHOD OF USE - An instrument and method for applying thermal energy to targeted tissue. An instrument and method for tissue thermotherapy. In one embodiment, a method includes providing a vapor source comprising a pump configured for providing a flow of liquid media from a liquid media source into a vaporization chamber having a heating mechanism, actuating the pump to provide the liquid into the vaporization chamber, applying energy from the heating mechanism to convert a substantially water liquid media into a minimum water vapor level for causing an intended effect in tissue. For examples such levels can comprise at least 60% water vapor, at least 70% water vapor, at least 80% water vapor or at least 90% water vapor for causing an intended effect in tissue. | 06-11-2009 |