Entries |
Document | Title | Date |
20080300587 | Heat Treatment Catheter - A heat treatment catheter ( | 12-04-2008 |
20090112200 | Hemostatic surgical blade, system and method of blade manufacture - A hemostatic surgical blade is described which is formed of five symmetrically disposed layers. A martensitic stainless steel core is provided with oppositely disposed faces which are bonded to hard pure copper thermal transfer layers which, in turn, are supported by buttressing layers of austenitic stainless steel. The blade is heated by a blade heater circuit which is provided as a flexible circuit carrying one or more resistor heaters and associated leads supported by a polyimide substrate. A thermally conductive and electrically insulative adhesive is used to bond the flexible circuit to a blade blank. The system employs a multi-lead cable which is removable from an instrument handle. One blade embodiment involves an elongate stem for accessing body cavities and another embodiment incorporates a controller function within an instrument handle. | 04-30-2009 |
20090198224 | Integrated Metalized Ceramic Heating Element for Use in a Tissue Cutting and Sealing Device - A tissue cutting and sealing device, having a pair of opposing elements dimensioned to grasp tissue therebetween; and a heating assembly on at least one of the opposing elements, wherein the heating assembly includes: a ceramic body; and a metalized portion extending along a top surface of the ceramic body. The top surface of the ceramic body preferably has a width greater than the metalized portion. | 08-06-2009 |
20090270855 | Thermal Cautery Devices with Improved Heating Profiles - Thermal cautery and thermal ligating devices improved by the addition of a thermally conductive plate proximate the resistive heating element used in those devices. | 10-29-2009 |
20100010483 | POWER SUPPLY FOR IDENTIFICATION AND CONTROL OF ELECTRICAL SURGICAL TOOLS - An electronic circuit for identifying an electrical surgical tool and for providing a selectable constant current appropriate to the identified electrical surgical tool. | 01-14-2010 |
20100106150 | SYSTEMS FOR TREATING A HOLLOW ANATOMICAL STRUCTURE - A working end of a catheter includes at least one therapeutic element, such as a resistive heating element, usable to deliver energy for ligating, or reducing the diameter of, a hollow anatomical structure. In certain examples, the catheter includes a lumen to accommodate a guide wire or to allow fluid delivery. In certain embodiments, a balloon is inflated to place resistive element(s) into apposition with a hollow anatomical structure and to occlude the structure. Indexing devices and methods are also disclosed for successively treating portions of the hollow anatomical structure. In certain examples, marks along the catheter shaft provide visual verification to the physician of the relative position of the therapeutic element of the catheter. Embodiments of indexing devices may include pairs of rings and/or hinged arms that move a catheter a desired indexed position between successive treatments. | 04-29-2010 |
20100114085 | METHODS FOR TREATING A HOLLOW ANATOMICAL STRUCTURE - A working end of a catheter includes at least one therapeutic element, such as a resistive heating element, usable to deliver energy for ligating, or reducing the diameter of, a hollow anatomical structure. In certain examples, the catheter includes a lumen to accommodate a guide wire or to allow fluid delivery. In certain embodiments, a balloon is inflated to place resistive element(s) into apposition with a hollow anatomical structure and to occlude the structure. Indexing devices and methods are also disclosed for successively treating portions of the hollow anatomical structure. In certain examples, marks along the catheter shaft provide visual verification to the physician of the relative position of the therapeutic element of the catheter. Embodiments of indexing devices may include pairs of rings and/or hinged arms that move a catheter a desired indexed position between successive treatments. | 05-06-2010 |
20100152723 | METHODS AND APPARATUS FOR COAGULATING AND/OR CONSTRICTING HOLLOW ANATOMICAL STRUCTURES - An energy delivering probe is used for thermally coagulating and/or constricting hollow anatomical structures (HAS) including, but not limited to, blood vessels such as perforator veins. The probe includes a shaft and an energy source. | 06-17-2010 |
20100185190 | METHODS FOR TREATING ASTHMA DAMAGING NERVE TISSUE - A method for treating the lung during an acute episode of reversible chronic obstructive pulmonary disease such as an asthma attack. The method comprises transferring energy to an airway wall of an airway such that a diameter of the airway is increased. The energy may be transferred to the airway wall prior to, during or after an asthma attack. The energy may be transferred in an amount sufficient to temporarily or permanently increase the diameter of the airway. The method may be performed while the airway is open, closed or partially closed. | 07-22-2010 |
20100211058 | HEATED TIP IMPLANT DELIVERY SYSTEM - Bone substitute materials have been developed that become flowable upon heating. In order to use these new materials in the special environment of an operating room, methods and devices have been developed to conveniently and sterilely heat samples of the material as the material is being implanted into a patient. Inventive heating devices include cannulas with a heated tip and devices similar to a hot melt glue gun. Therefore, the material is heated for only a short time preventing the degradation of biological components of the material. | 08-19-2010 |
20100217250 | METHODS AND SYSTEMS FOR CONTROLLED THERMAL TISSUE - A body passage having an interior wall with a lining is occluded by introducing a thermal delivery catheter to the passage. The thermal delivery catheter has a thermal transfer region which can deliver both a coagulative tissue necrosis energy dosage and a thermally fixing energy dosage. The coagulative necrosis dosage will result in scar tissue formation, while the thermally fixing tissue dosage will prevent regrowth of the tissue lining from neighboring untreated tissue regions which could compromise the integrity of the occlusion which is formed. | 08-26-2010 |
20100228241 | METHODS AND APPARATUS FOR HEMOSTASIS FOLLOWING ARTERIAL CATHETERIZATION - A hemostasis device including a shaft having a forward end, at least one anchor balloon mounted on the shaft at the forward end and at least one electrical resistance heating element, mounted on the main shaft forward of the at least one anchor element and being operable to enhance hemostasis. | 09-09-2010 |
20100268205 | Method of treatment with adjustable ferromagnetic coated conductor thermal surgical tool - An electrical conductor, such as a wire or catheter, which is coated circumferentially with a ferromagnetic material in a selected region, is fed from a high frequency alternating current source. The ferromagnetic material has a quick response in heating and cooling to the controllable power delivery. The ferromagnetic material can be used for separating tissue, coagulation, tissue destruction or achieving other desired tissue effects in numerous surgical procedures. | 10-21-2010 |
20100268206 | Method of treatment with multi-mode surgical tool - Thermal, electrosurgical and mechanical modalities may be combined in a surgical tool. Potentially damaging effects in a first modality may be minimized by using a secondary modality. In one example, thermal hemostasis may thus help electrosurgical applications avoid the adverse tissue effects associated with hemostatic monopolar electrosurgical waveforms while retaining the benefits of using monopolar incising waveforms. | 10-21-2010 |
20100298820 | THERMAL CAPSULOTOMY TOOL AND SYSTEM - A system and tool for performing a capsulotomy procedure. The system includes an air pressure unit providing pressurized airflow, a capsulotomy and movement control unit providing electrical current and movement control, and a capsulotomy tool including a main housing, and an extendable-retractable burning element coupled to the main housing. The tool is in connection with the capsulotomy and movement control unit for providing electrical current to the burning element and movement control for extending and retracting the burning element. When the burning element is in a flattened, retracted configuration, the tip of the tool can be inserted through a relatively small corneal incision. Once in the anterior chamber, the burning element is switched to a circular, extended configuration, so as to allow performance of a capsulotomy by applying an electrical pulse to the burning element. | 11-25-2010 |
20100312232 | Capsulotomy Repair Device and Method for Capsulotomy Repair - Various embodiments of a capsulotomy repair device include a resistive-heating element comprising an electrically resistive, superelastic wire forming a loop between first and second ends of the superelastic wire. The first and second ends of the loop may at least partially extend at an angle from a planar face defined by the loop, to an insulating portion, to form a transitional neck between the loop and the insulating portion. The capsulotomy repair device may be positioned in the eye relative to a capsularhexis perimeter to overlap tears in the capsularhexis periemeter to remove the tears by forming an adjusted capsularhexis perimeter by burning around the tear. | 12-09-2010 |
20110054456 | SYSTEMS FOR TREATING A HOLLOW ANATOMICAL STRUCTURE - A working end of a catheter includes at least one therapeutic element, such as a resistive heating element, usable to deliver energy for ligating, or reducing the diameter of, a hollow anatomical structure. In certain examples, the catheter includes a lumen to accommodate a guide wire or to allow fluid delivery. In certain embodiments, a balloon is inflated to place resistive element(s) into apposition with a hollow anatomical structure and to occlude the structure. Indexing devices and methods are also disclosed for successively treating portions of the hollow anatomical structure. In certain examples, marks along the catheter shaft provide visual verification to the physician of the relative position of the therapeutic element of the catheter. Embodiments of indexing devices may include pairs of rings and/or hinged arms that move a catheter a desired indexed position between successive treatments. | 03-03-2011 |
20110077630 | TREATMENT METHOD FOR LIVING TISSUE USING ENERGY - A treatment method for a living tissue using energy includes a first step of outputting energy to a grasped living tissue and raising a temperature of cells of the grasped living tissue, a second step of, after the first step, outputting high-frequency energy to the grasped living tissue and destroying cell membranes of the grasped living tissue to discharge proteins in the cells to the outside of the cells, and a third step of, after the second step, outputting heat energy to the living tissue and welding the proteins to each other while dehydrating the grasped living tissue. | 03-31-2011 |
20110087208 | SURGICAL INSTRUMENT FOR TRANSMITTING ENERGY TO TISSUE COMPRISING A MOVABLE ELECTRODE OR INSULATOR - A surgical instrument for supplying energy to tissue can comprise a jaw member comprising an electrode, wherein the electrode is configured to generate heat when electrical energy is supplied to the electrode, and wherein the electrode comprises a top surface. The surgical instrument can further comprise an insulator positioned adjacent to the electrode, wherein the insulator comprises a top surface movable between a first position and a second position relative to the top surface of the electrode, and wherein the top surface of the insulator is closer to the top surface of the electrode when the insulator is in the first position than when the insulator is in the second position. | 04-14-2011 |
20110087209 | SURGICAL INSTRUMENT FOR TRANSMITTING ENERGY TO TISSUE COMPRISING STEAM CONTROL PATHS - A surgical instrument for supplying energy to tissue can comprise an end effector comprising a first jaw member and a second jaw member, wherein at least one of the first jaw member and the second jaw member is movable relative to the other to clamp tissue intermediate the first jaw member and the second jaw member. The instrument can further include an electrode configured to generate heat when electrical energy is supplied to the electrode and, in addition, at least one steam path within the electrode, wherein the at least one steam path is configured to vent steam generated when the tissue is heated by the electrode. | 04-14-2011 |
20110196361 | Combination Electrical Stimulating and Infusion Medical Device and Method - A combined electrical and chemical stimulation lead is especially adapted for providing treatment to the spine and nervous system. The stimulation lead includes electrodes that may be selectively positioned along various portions of the stimulation lead in order to precisely direct electrical energy to ablate or electrically stimulate the target tissue. Embodiments of the stimulation lead include single or multiple lead elements. The multiple lead element embodiments can be selectively deployed to cover a targeted area. The lead may also includes central infusion passageway(s) or lumen(s) that communicates with various infusion ports spaced at selected locations along the lead to thereby direct the infusion of nutrients/chemicals to the target tissue. One embodiment utilizes a dissolvable matrix for infusion as opposed to remote delivery through an infusion pump. | 08-11-2011 |
20110202049 | Small Gauge Ablation Probe For Glaucoma Surgery - An ablation probe for use in glaucoma surgery has a shaft, a heating element, and a pair of electrical connectors located on a distal end of the shaft. The pair of electrical connectors holds the heating element to the shaft. The heating element is sized and shaped to ablate a trabecular meshwork in a human eye. The ablation probe is advanced through a corneal incision until the heating element contacts the trabecular meshwork. An electrical current is passed through the heating element to ablate the trabecular meshwork. | 08-18-2011 |
20110257645 | SYSTEMS AND METHODS FOR TREATING A HOLLOW ANATOMICAL STRUCTURE - A catheter includes multiple primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes a resistive element located at the working end of the catheter. Separation is maintained between the leads such that each lead can individually receive power. The catheter can include a lumen to accommodate a guide wire or to allow fluid delivery. Energy is applied until the diameter of the hollow anatomical structure is reduced to the point where occlusion is achieved. In one embodiment, a balloon is inflated to place the resistive elements into apposition with a hollow anatomical structure and to occlude the structure before the application of energy. The inflated balloon impairs blood flow and facilitates the infusion of saline, or medication, to the hollow anatomical structure in order to reduce the occurrence of coagulation and to improve the heating of the structure by the catheter. | 10-20-2011 |
20120179150 | VACUUM COAGULATION & DISSECTION PROBES - A surgical device integrating a suction mechanism with a coagulation mechanism is provided for improving lesion creation capabilities. The device comprises an elongate member having an insulative covering attached about means for coagulating soft tissue. Openings through the covering expose regions of the coagulation-causing elements and are coupled to lumens in the elongate member which are routed to a vacuum source. A fluid source to passively transport fluid along the contacted soft tissue surface may be provided in order to push the maximum temperature deeper into tissue. | 07-12-2012 |
20120296326 | ADJUSTABLE FERROMAGNETIC COATED CONDUCTOR THERMAL SURGICAL TOOL - An electrical conductor, such as a wire or catheter, which is coated circumferentially with a ferromagnetic material in a selected region, is fed from a high frequency alternating current source. The ferromagnetic material has a quick response in heating and cooling to the controllable power delivery. The ferromagnetic material can be used for separating tissue, coagulation, tissue destruction or achieving other desired tissue effects in numerous surgical procedures. | 11-22-2012 |
20120310227 | MEDICAL DEVICE - A medical device includes a steering unit at a proximal portion of a catheter to steer operations of a heating unit at a distal portion of the catheter. The steering unit includes a main body portion interlocked with the catheter; a slide portion interlocked with the heating unit and slidable relative to the main body portion; a guide unit interlocked with the main body portion and fixed to the slide portion for movement therewith; and an input connector electrically connected with the heating unit and connectable with an output connector for supplying electric energy to the heating unit. The guide unit hinders connection between the input connector and the output connector. A cutout portion enables connection between the input and output connectors when the guide unit moves with respect to the main body portion and the heating unit moves to a position at which the biological tissue is heatable. | 12-06-2012 |
20120316550 | TISSUE WELDING AND CUTTING APPARATUS AND METHOD - A surgical apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form a welded region within the tissue, while a second heating element on one of the jaws is adapted to heat up to a second temperature and sever the tissue within the welded region. The first and second heating elements may be provided on the same or opposite jaws. A control handle provided on the proximal end of the elongated shaft includes controls for opening and closing the jaws, and may include an actuator for sending current through the first and second heating elements. The first and second heating elements may be electrically connected in series. | 12-13-2012 |
20120330295 | Thermal Resecting Loop - A thermal surgical instrument comprising a conductor having a ferromagnetic material in electrical communication with the conductor, such that passage of electrical energy through the conductor causes substantially uniform heating of the ferromagnetic material sufficient to produce a desired therapeutic tissue effect is provided. The conductor may be shaped to facilitate resection of tissue from a patient and include a support to provide increase rigidity to the loop so that the conductor better resists bending during use. The ferromagnetic material quickly heats and cools in response to a controllable power delivery source. The thermal surgical instrument can be used for substantially simultaneously resecting tissue with hemostasis. | 12-27-2012 |
20130012934 | Layered Ferromagnetic Coated Conductor Thermal Surgical Tool - A thermal surgical tool comprising a conductor having a ferromagnetic material attached thereto is provided. The conductor may include a support of sufficiently high Young's modulus to resist bending when the surgical tool is being used to treat tissue. One or more intervening layers may be disposed between the support and the ferromagnetic material. Each of the intervening layers may be selected for a property that facilitates construction of the surgical tool and/or enhances a functionality of the surgical tool. The thermal surgical tool can be used for separating tissue, coagulation, tissue destruction or achieving other desired tissue effects in numerous surgical procedures. | 01-10-2013 |
20130023866 | SYSTEM AND METHOD FOR COOLING OF A HEATED SURGICAL INSTRUMENT AND/OR SURGICAL SITE AND TREATING TISSUE - A cooling system for a surgical handpiece may provide fluid flow to the surgical tip and to the internal electronic components to prevent temperatures that may damage or make the patient or surgeon uncomfortable. Tip directed gas further controls the tip-tissue interface by displacing blood or serum from the incision point, increasing precision and diminishing coagulum build-up. In the alternative, cooling fluid may be used to quench tissue being treated. | 01-24-2013 |
20130041360 | Methods, Systems, and Devices Relating to Surgical End Effectors - The embodiments disclosed herein relate to various medical device components, including components that can be incorporated into robotic and/or in vivo medical devices, and more specifically including end effectors that can be incorporated into such devices. Certain end effector embodiments include various vessel cautery devices that have rotational movement as well as cautery and cutting functions while maintaining a relatively compact structure. Other end effector embodiments include various dual end effector devices that have more than one end effector. | 02-14-2013 |
20130079762 | Electrosurgical Instrument - An electrosurgical forceps is provided with a shaft that extends from a housing of the electrosurgical forceps. An end effector assembly operably coupled to a distal end of the shaft includes a pair of first and second jaw members each having jaw housing and an electrosurgical seal plate. One or both of the first and second jaw members is movable from an open configuration, to a clamping configuration. The moveable jaw member includes an elongated channel defined in its respective jaw housing and extends along a length thereof. A drive assembly operably couples to the moveable jaw member via a drive rod that is engageable with the elongated channel to move the movable jaw member from the open configuration to the clamping configuration and to provide a closure force between the first and second jaw members when the jaw members are in the clamping configuration. | 03-28-2013 |
20130096547 | METHOD OF, AND DEVICE FOR, MARKING A PATIENT'S EYE FOR REFERENCE DURING A TORIC LENS IMPLANTATION PROCEDURE - In one aspect, a method is provided herein of marking a patient's eye for reference during a tonic lens implantation procedure. The method includes providing an electrocautery device having a handle, a shaft extending from the handle, and a tip defined at the terminus of the shaft. The handle is elongated and extends along a longitudinal axis with the shaft being bent or curved such that the tip is spaced from, and not aligned with, the longitudinal axis. The method further includes using the electrocautery device to cauterize one or more points on the patient's eye, the points being located as reference marks for placement of the toric lens. Advantageously, with the subject invention, a device is used having a bent or curved shaft Which may better accommodate the curvature of a patient's eye While marking. | 04-18-2013 |
20130178840 | Apparatus for Administering Therapy at a Remote Location in the Body - Devices suitable for insertion into a hollow anatomical structure within a patient for the purpose of ablating tissue within or surrounding the hollow structure so as to induce occlusion of the hollow structure are provided. The devices are in the form of guidewires with functional tips, that comprise at least one heating module, at their distal ends. The devices of the invention are suitable for occluding hollow anatomical structures selected from vasculature or from non-vascular ducts and tubes, via percutaneous, laparoscopic or endoscopic routes of access. Methods of using the devices in the treatment of patients are also described. | 07-11-2013 |
20130190746 | THERMAL CAUTERY SURGICAL FORCEPS - A portable, thermal cauterizing forceps device for use in surgery. The device incorporates a pair of ceramic heater elements mounted within the tips of the tines of a forceps. The forceps is used to grasp tissue or blood vessels and apply heat to effect cauterization. The forceps instrument can incorporate a battery and control electronics. The thermal-forceps is of a self-contained wireless, handheld disposable design. The forceps handpiece can be connected to an external power source. The forceps can incorporate a set of rapidly heating ceramic heater elements that may be composed of silicon nitride. An LED provides the operator feedback as to the operating level of the heaters and/or battery reserve. The forceps can include a rechargeable power supply, variable control of the heater temperature, as well as a, digital display of the tip temperature. | 07-25-2013 |
20130261615 | METHODS AND SYSTEMS FOR USE IN CONTROLLING TISSUE ABLATION VOLUME BY TEMPERATURE MONITORING - This invention relates to medical methods, instruments and systems for creating a controlled lesion using temperature to control the growth of the lesion. The treatment can be used in any tissue area and is particularly useful in or around a vertebral body. The features relating to the methods and devices described herein can be applied in any region of soft or hard tissue including bone or hard tissue. | 10-03-2013 |
20130281998 | INTRAVASCULAR ARTERIAL TO VENOUS ANASTOMOSIS AND TISSUE WELDING CATHETER - A catheter-based device tracks over a guidewire which has been placed from a first blood vessel into a second blood vessel. The distal tip of the catheter is advanced into the second vessel while a proximal member remains in the first vessel. Matching blunt tapered surfaces on each of the distal tip and the proximal member are clamped together, with adjacent walls of each vessel between them, after which a known, controlled pressure is applied between the two surfaces. Heat energy is then applied to the blunt surfaces for approximately 1-30 seconds to weld the walls of the two vessels together. After coaptation of the vessel walls, the heat is increased to then cut through the vessel walls to create a fistula of the desired size. | 10-24-2013 |
20130296838 | INDUCTIVELY HEATED MULTI-MODE SURGICAL TOOL - Thermal, Electrosurgical and Mechanical modalities may be combined in a surgical tool. Potentially damaging effects in a first modality may be minimized by using a secondary modality. In one example, thermal hemostasis may thus help electrosurgical applications avoid the adverse tissue effects associated with hemostatic monopolar electrosurgical waveforms while retaining the benefits of using incising waveforms. | 11-07-2013 |
20130317492 | MEDICAL INSTRUMENT AND METHOD OF USE - A medical for removing tissue from a patient includes an elongated probe with a working end. A pair of jaws is provided at the working end. The jaws may be closed for cutting and treatment of the tissue. Cutting may be effective through a sharpened cutting blade, and RF cutting blade, and similar cutting edges. The tissue may be remodeled using heat generated from passive heating elements on the jaws, active heating elements on the jaws, a PTCR heating element carried by the jaws, or resistive heaters on the jaws. | 11-28-2013 |
20130331830 | ELECTROSURGICAL DISSECTOR WITH THERMAL MANAGEMENT - An electrosurgical dissection apparatus is disclosed, and includes a thermally insulating body, a thermally conductive insert, at least one active electrode, and at least one return electrode. The at least one active electrode is disposed on the thermally conductive insert, and the at least one return electrode is spaced from the at least one active electrode by a portion of the thermally insulating body. The thermally conductive insert is configured to cauterize tissue dissected by radiofrequency energy passing from the at least one active electrode to the at least one return electrode. | 12-12-2013 |
20130338658 | MULTI-FUNCTIONAL SURGICAL CAUTERY DEVICE, SYSTEM AND METHOD OF USE - A surgical cautery device, system, and method of use may apply bipolar and/or sesquipolar electrocautery to target tissue via a pair of instruments with other primary surgical functions. The surgical cautery device and system may include first and second elements capable of forming an electrical circuit. The second element may be independently positionable with respect to the first element. The first and second elements may also include a surgical component with an independent surgical function. Exemplary surgical components include a rotary blade, a cutting tool, a grasper tool, a micro-scissors tool, a micro-grasping forceps tool, a dissector, a micro-dissector, curette, and a suction cannula. On some occasions, one of the surgical components may be interchangeable with another surgical component. | 12-19-2013 |
20140005651 | APPARATUS AND METHOD FOR POSITIONING AN IMPLANTABLE DEVICE | 01-02-2014 |
20140012245 | METHODS AND APPARATUS FOR COAGULATING AND/OR CONSTRICTING HOLLOW ANATOMICAL STRUCTURES - An energy delivering probe is used for thermally coagulating and/or constricting hollow anatomical structures (HAS) including, but not limited to, blood vessels such as perforator veins. The probe includes a shaft and an energy source. | 01-09-2014 |
20140018786 | Instruments and Methods for Thermal Tissue Treatment - Disclosed herein are high efficiency surgical devices and methods of using same using radio frequency (RF) electrical power and/or electrically heated filaments to destroy tumors, form lesions, denaturize, desiccate, coagulate and ablate soft tissues, as well as to drill, cut, resect and vaporize soft tissues. According to the principles of this invention, the electrosurgical instruments can be used with externally supplied conductive or non-conductive liquids, as well as without externally supplied liquids, a mode of operation often referred to as “dry field” environment. | 01-16-2014 |
20140052117 | LOW PROFILE FLUID ENHANCED ABLATION THERAPY DEVICES AND METHODS - Low profile devices and methods for delivering fluid enhanced ablation therapy are provided herein. In one embodiment, an ablation device is provided that includes an elongate body having proximal and distal ends, an inner lumen extending therethrough and at least one outlet port formed therein and configured to deliver fluid to surrounding tissue. The device can also include at least one ablation element disposed along a length of the body adjacent to the at least one outlet port and configured to deliver energy to surrounding tissue, as well as at least one heating element disposed within the inner lumen of the elongate body. The device further includes a handle having proximal and distal ends, the distal end of the handle being coupled to the proximal end of the elongate body. Further, a longitudinal axis of the elongate body extends at an angle to a longitudinal axis of the handle. | 02-20-2014 |
20140142561 | INTRAVASCULAR ARTERIAL TO VENOUS ANASTOMOSIS AND TISSUE WELDING CATHETER - A device for creating an arteriovenous (AV) fistula includes a proximal base having a distal tapered end surface and a distal tip connected to the proximal base and movable relative to the proximal base. The distal tip has a proximal tapered end surface. A first heating assembly, including an energized heating element, is disposed on at least one of the distal tapered end surface and the proximal tapered end surface. A second heating assembly, comprising a passive non-energized heat spreader, is disposed on the other one of the distal tapered end surface and the proximal tapered end surface. The distal tapered end surface and the proximal tapered end surface are adapted to contact opposing sides of a tissue portion to create the fistula. The taper of the proximal tapered end surface matches the taper of the distal tapered end surface, so that the two surfaces match one another and fully engage with one another when engaged. | 05-22-2014 |
20140276717 | BIPOLAR GAS PLASMA COAGULATION NOZZLE - A plasma instrument is disclosed. The plasma instrument includes an elongated body defining a first lumen therethrough, the lumen being in fluid communication with an ionizable media source; an applicator tip coupled to a distal end of the elongated body and disposed within the first lumen, the applicator tip defining a second lumen in fluid communication with the first lumen; a first electrode disposed on an outer surface of the applicator tip; and a second electrode disposed within at least one of the first lumen or the second lumen, wherein the first and second electrodes are configured to be energized to ignite ionizable media supplied by the ionizable media source. | 09-18-2014 |
20140303609 | Surgical Device for Pediatric Surgery - A surgical device is provided for use in pediatric surgery and includes a dissection blade moveably mounted in a sheath of the surgical device. The surgical device includes an electrical connection for supply cauterizing current to the blade. A handle assembly is provided and includes an advancement mechanism for incrementally advancing the blade out of the sheath and a lever to release the blade from the advancement mechanism. A lock member is provided to maintain the blade in an extended condition. | 10-09-2014 |
20140303610 | METHODS OF AUTOMATICALLY REGULATING OPERATION OF ABLATION MEMBERS BASED ON DETERMINED TEMPERATURES - Methods and systems for treating tissue that employ a radiometer for temperature measurements and use feedback from the radiometer to regulate energy being applied to the tissue are provided. For example, methods and systems are provided for calculating temperature based on signal(s) from a radiometer, which may provide useful information about tissue temperature at depth, and automatically regulating energy applied to the tissue based on the tissue temperature. | 10-09-2014 |
20150045783 | MODULATING NERVES WITHIN BONE USING BONE FASTENERS - Methods of using hardware (e.g., bone screws, anchors or other devices) previously inserted within the body to facilitate energy delivery are disclosed. The energy delivery (e.g., thermal energy) may be used for neuromodulation (such as stimulation or denervation), tissue heating and ablation, curing, and other applications in the spine and non-spine orthopedic locations. | 02-12-2015 |
20150094704 | Medical Treatment Devices Having Adjustable Length and/or Diameter - The present embodiments enable the length and/or diameter of the heating segment of a medical treatment device to be adjusted on the fly during a treatment procedure, without a need to interrupt the procedure, thus allowing a single catheter to be used at different locations in a hollow anatomical structure. | 04-02-2015 |
20150094705 | MEDICAL TREATMENT DEVICES HAVING ADJUSTABLE LENGTH AND/OR DIAMETER - The present embodiments enable the length and/or diameter of the heating segment of a medical treatment device to be adjusted on the fly during a treatment procedure, without a need to interrupt the procedure, thus allowing a single catheter to be used at different locations in a hollow anatomical structure. | 04-02-2015 |
20150094706 | MEDICAL TREATMENT DEVICES HAVING ADJUSTABLE LENGTH AND/OR DIAMETER - The present embodiments enable the length and/or diameter of the heating segment of a medical treatment device to be adjusted on the fly during a treatment procedure, without a need to interrupt the procedure, thus allowing a single catheter to be used at different locations in a hollow anatomical structure. | 04-02-2015 |
20150289892 | Low Force Thrombectomy Device - The claimed biocompatible device is designed to remove vessel occlusions such as a thrombus, blood clot, or embolus. The claimed devices maybe used to treat occlusions in the brain, in the vasculature, and in tissues and organs. | 10-15-2015 |
20150289922 | THERAPEUTIC TREATMENT DEVICE - A living tissue to be treated is brought into contact with a first high-frequency electrode having high thermal conductivity. A substrate on which an electric resistance pattern is formed is longer than the first electrode. The substrate includes an end portion projected from the first high-frequency electrode. A first lead connection portion electrically connected to the electric resistance pattern is formed on the projected end portion. The substrate is pasted to the first electrode by use of a high-thermal-conductivity heat-resistant adhesive sheet. A lead line for applying power to the electric resistance pattern is arranged in the first lead connection portion where it extends in the longitudinal direction of the first electrode and on the side close to the first electrode. | 10-15-2015 |
20150305795 | ELECTROSURGICAL PLASMA APPARATUS AND SYSTEM - An electrosurgical apparatus for coagulating tissue includes an elongated tube having a tubular wall and a proximal end and a distal end, and constituting a conduit though which ionisable gas can be supplied to the distal end of the tube. The tube includes one or more apertures in the tube such that the ionisable gas is capable of exiting the tube in the region of the distal end of the tube. A braided tubular component is associated with the wall of the tube, and is connected to a source of electrosurgical energy, such that the braided tubular component can form part of an electrode assembly for ionising the ionisable gas exiting the one or more apertures. | 10-29-2015 |
20150327907 | PLANAR FERROMAGNETIC COATED SURGICAL TIP AND METHOD FOR MAKING - The present invention relates to surgical dissection tips comprising a substrate comprising beryllium copper and a ferromagnetic layer coating at least a portion of the substrate, and methods of making such surgical dissection tips | 11-19-2015 |
20160030102 | THERMAL RESECTING LOOP - A thermal surgical instrument comprising a conductor having a ferromagnetic material in electrical communication with the conductor, such that passage of electrical energy through the conductor causes substantially uniform heating of the ferromagnetic material sufficient to produce a desired therapeutic tissue effect is provided. The conductor may be shaped to facilitate resection of tissue from a patient and include a support to provide increase rigidity to the loop so that the conductor better resists bending during use. The ferromagnetic material quickly heats and cools in response to a controllable power delivery source. The thermal surgical instrument can be used for substantially simultaneously resecting tissue with hemostasis. | 02-04-2016 |
20160030103 | LAYERED FERROMAGNETIC COATED CONDUCTOR THERMAL SURGICAL TOOL - A thermal surgical tool comprising a conductor having a ferromagnetic material attached thereto is provided. The conductor may include a support of sufficiently high Young's modulus to resist bending when the surgical tool is being used to treat tissue. One or more intervening layers may be disposed between the support and the ferromagnetic material. Each of the intervening layers may be selected for a property that facilitates construction of the surgical tool and/or enhances a functionality of the surgical tool. The thermal surgical tool can be used for separating tissue, coagulation, tissue destruction or achieving other desired tissue effects in numerous surgical procedures. | 02-04-2016 |
20160030771 | ENDOSCOPIC INSTRUMENT - An endoscopic instrument is provided and includes a housing including an elongated shaft assembly extending distally therefrom. The elongated shaft assembly includes inner and outer shaft members. The inner and outer shaft members are removably coupled to the housing and the outer shaft member is movable with respect to the inner shaft member. An end effector is operably supported at the distal end of the outer shaft member and includes a pair of jaw members configured for treating tissue. A bushing operably couples to the inner and outer shaft members of the shaft assembly and selectively and releasably couples to the housing. The bushing includes one or more mechanical interfaces configured to engage one or more slots defined through the inner shaft member and one or more slots defined through the outer shaft member to release the inner and outer shaft members from the housing. | 02-04-2016 |
20160045216 | SINGLE-PASS ENDOSCOPIC VESSEL HARVESTING - An endoscopic harvesting device removes a vessel from a body. The vessel has an anterior side closest to the skin. A sheath extends in a longitudinal direction with a dissector tip for advancing along the vessel substantially along the anterior side to create a flanking tunnel spaced away from the vessel. A ring-shaped blade is mounted to the sheath and is disposed in a plane substantially perpendicular to the longitudinal direction and proximal of the dissector tip. The blade forms a lateral loop to encircle the vessel from the flanking tunnel. The blade comprises an inductively-heated ferromagnetic member configured to make a vasiform cut including a pedicle around the vessel as the sheath advances. | 02-18-2016 |
20160045251 | ELECTROSURGICAL INSTRUMENT - An electrosurgical forceps includes a shaft that extends from a housing of the electrosurgical forceps. An end effector assembly is operably coupled to a distal end of the shaft and includes a pair of first and second jaw members. Each jaw member has a jaw housing and an electrosurgical seal plate. The first jaw member is movable relative to the second jaw member from an open configuration to a clamping configuration. The first jaw member includes an elongated channel defined in its respective jaw housing and extends along a length thereof. A drive assembly operably couples to the first jaw member via a drive rod that is engageable with the elongated channel to move the first jaw member from the open configuration to the clamping configuration and to provide a closure force between the jaw members when the jaw members are in the clamping configuration. | 02-18-2016 |
20160051312 | LIVING BODY HEATING INSTRUMENT AND CONTROL DEVICE - A living body heating instrument is pushed or inserted into an affected part to continuously perform cauterization and vaccinotherapy. A living body heating instrument that is pushed or inserted into an affected part of a living body to heat the affected part includes: an inner needle; and an outer needle having a hollow portion into which the inner needle is inserted through an opening at the needle base side toward the needle tip side. The inner needle has biocompatibility and thermal conductivity, and contains a heater. The affected part is cauterized by the heater with the inner needle inserted in the outer needle. Next, the inner needle is withdrawn, and a drug is injected through the outer needle, which remains inserted, to perform immunotherapy. A temperature detecting element may be provided in an inner part of the inner needle or on an outer surface of the outer needle. | 02-25-2016 |
20160066976 | INCISION INSTRUMENT - An incision instrument includes an insertion section and a manipulation section. The insertion section includes a first insulating member and an incision section inserted within the first insulating member. The incision section includes a tubular shaped first conductive member which has conductivity; a second conductive member disposed in the first conductive member; a contact section provided on an outer circumference surface of the second conductive member; and a second insulating member fixed to a distal end of the first conductive member and having an opening section. The manipulation section includes a manipulation main body section and a handle member. The second insulating member is positioned between the contact section and the first conductive section in a state in which the second conductive member is protruded from the opening section of the second insulating member. | 03-10-2016 |
20160113700 | DUAL-FUNCTION PLASMA AND NON-IONISING MICROWAVE COAGULATING ELECTROSURGICAL INSTRUMENT AND ELECTROSURGICAL APPARATUS INCORPORATING THE SAME - An electrosurgical device that is capable of both generating a plasma to perform surface coagulation and emitting a non-ionising microwave field (in the absence of plasma) to perform coagulation at a deeper level. The device comprises a probe tip that is connected to receive radiofrequency (RF) and/or microwave frequency energy from a generator, and also defines a flow path for a gas. The probe tip is adjustable between a first configuration, in which it defines a bipolar (e.g. coaxial) structure to produce a high electric field from the received RF and/or microwave frequency energy across the flow path for the gas to strike and sustain plasma and a second configuration, in which it defines an antenna structure to emit non-ionising microwave energy into tissue. | 04-28-2016 |
20160113706 | MEDICAL INSTRUMENT AND METHOD OF USE - A medical for removing tissue from a patient includes an elongated probe with a working end. A pair of jaws is provided at the working end. The jaws may be closed for cutting and treatment of the tissue. Cutting may be effective through a sharpened cutting blade, and RF cutting blade, and similar cutting edges. The tissue may be remodeled using heat generated from passive heating elements on the jaws, active heating elements on the jaws, a PTCR heating element carried by the jaws, or resistive heaters on the jaws. | 04-28-2016 |
20160135898 | Robotic Device with Compact Joint Design and Related Systems and Methods - The embodiments disclosed herein relate to various robotic and/or in vivo medical devices having compact joint configurations. Other embodiments relate to various medical device components, including forearms having grasper or cautery end effectors, that can be incorporated into certain robotic and/or in vivo medical devices. | 05-19-2016 |
20160157916 | MEDICAL ABLATION SYSTEM AND METHOD OF USE - Cartilage and other tissues are treated by generating a plasma in an interior space of a probe and exposing the tissue to the plasma. The plasma is released through a gap in a working end of the probe. | 06-09-2016 |
20160184001 | THERMAL ABLATION NEEDLE - A thermal ablation needle of the present invention includes a magnetic section and a nonmagnetic section. The magnetic section includes a needle tip and a space that is spaced apart from the needle tip. The nonmagnetic section is connected to the magnetic section oppositely of the needle tip. | 06-30-2016 |
20160192977 | THERMAL SURGICAL TOOL | 07-07-2016 |
20160374855 | OPHTHALMIC SURGICAL DEVICE FOR ACCESSING TISSUE AND FOR PERFORMING A CAPSULOTOMY - A surgical device and procedure are provided for smoothly and easily accessing tissue to perform microsurgery, including a capsulotomy of a lens capsule of an eye. The device includes a handpiece with a tip for insertion into an incision in the cornea of the eye. A sliding element is disposed within the handpiece and a suction cup is mounted to the sliding element. The sliding element can be translated to move the suction cup into and out of the handpiece. A compression mechanism associated with the suction cup and the handpiece compresses the suction cup for deployment through the tip of the handpiece. The suction cup can expand inside the anterior chamber into a cutting position on the lens capsule. A cutting element mounted to the suction cup is used to cut a portion of the lens capsule and to remove the portion from the eye. | 12-29-2016 |
20160375273 | MEDICAL TREATMENT SYSTEM AND CONTROL DEVICE FOR CONTROLLING ONE OR MORE TREATMENT DEVICES IN ACCORDANCE WITH SELECTED MODE - A control device having: one or more processors configured to: receive a first signal indicating one of a plurality of inputs of a first type received by a first input device; receive a second signal indicating one of a plurality of inputs of a second type received by a second input device; select a selected mode from one or more modes of a respective one or more treatment devices based on a combination of the first signal and the second signal; and output a control signal for controlling the one or more treatment devices in accordance with the selected mode. | 12-29-2016 |
20180021079 | THERAPEUTIC ENERGY APPLYING STRUCTURE AND MEDICAL TREATMENT DEVICE | 01-25-2018 |
20220133382 | Vapor-Based Ablation Treatment Methods with Improved Treatment Volume Vapor Management - Ablation catheters and systems include flexible catheter tips with a distal needle or ports for delivery of an ablative agent to a target tissue. Pressure monitoring during ablation ensure operation is performed within safe limits and with desired efficacy. Positioning elements help maintain the devices in the proper position with respect to the target tissue and also prevent the passage of ablative agent to normal tissues. | 05-05-2022 |