| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 606039000 | Cutting | 47 |
| 20090024121 | TREATMENT DEVICE FOR CUTTING LIVING TISSUE - According to one aspect of the present invention, there is provided a treatment device for cutting a living tissue, comprising a main unit which is to be inserted into a body, a tip-end treatment portion which is disposed at a tip end of the main unit to cut the living tissue, a notch groove which is disposed at the tip-end treatment portion and which compresses the living tissue guided into the notch groove, and an electrode which is positioned in a part of the notch groove and which electrically cuts the living tissue compressed by the notch groove. | 01-22-2009 |
| 20090254081 | SYSTEM AND METHOD FOR SURGICAL JAW ASSEMBLY - A surgical jaw assembly having a top portion and a bottom portion hingedly attached. The top and bottom portion having a base, a seal plate and a cover, the seal plate and base being in direct contact and being electrically common. The bottom portion having a blade that is stationary relative to the base and the top portion having an insert configured to receive the blade when the top portion and bottom portion are in a predetermined position. The cover is overmolded onto the base, securing the seal plate to the base on both the top portion and bottom portion. | 10-08-2009 |
| 20100036375 | Polyp Removal Device and Method of Use - A device and system for removing tissue such as polyps is provided and includes a tubular member having proximal and distal ends, a snare portion operably extending from within the distal end of the tubular member and including first and second electrodes configured to treat tissue therebetween, the snare portion further including a cutting member for severing the treated tissue. The tissue removal device may further include a handle portion operatively extending from within the proximal end of the tubular member. The handle portion may be configured for operable engagement by a user and the cutting member may extend between distal ends of the first and second electrodes. | 02-11-2010 |
| 20100057077 | FEP PRE-CURVED DISTAL TIP SPHINCTEROTOME - A method and device for incising tissue within the gastrointestinal tract is described. The device is an electrosurgical sphincterotome cutting device. The sphinctertome includes a pre-curved, heat set FEP distal tip. An electrically conductive cutting wire is positioned along the pre-curved distal tip. Manipulating a control handle tightens the cutting wire and incises and cauterizes target tissue. The curvature of the distal tip allows the sphincterotome to orient and steer itself towards a patient's sphincter as it emerges from an accessory channel of an endoscope. | 03-04-2010 |
| 20100063498 | Methods and Devices for Differentiating Between Tissue Types - The subject invention utilizes the characteristics of in vivo tissue impedances to provide an embodiment of a retinal rake capable of providing a visible and/or preferably an audible signal to a surgeon that more clearly indicates which type of tissue(s) is in contact with the retinal rake. A preferred embodiment comprises a handheld, battery operated retinal rake having two electrodes, wherein at least one electrode is the modified retinal rake. Upon contact with different optical tissues, e.g., epiretinal membranes, retinal tissue, vitreous humor, etc., the electrodes detect varying impedances which are translated by onboard circuitry into various signals that indicate what type of tissue, fluid, structure, etc. is in contact with the retinal rake. | 03-11-2010 |
| 20100100094 | TISSUE ABLATION METHODS - Tissue is treated using a radiofrequency power supply connected to an applicator having a chamber filled with an electrically non-conductive gas surrounded by a thin dielectric wall. A radiofrequency voltage is applied at a level sufficient to ionize the gas into a plasma and to capacitively couple the ionized plasma with the tissue to deliver radiofrequency current to ablate or otherwise treat the tissue. | 04-22-2010 |
| 20110082455 | DEVICE FOR RESECTION OF TISSUE - The present invention provides for an apparatus and method to excise a tissue sample having a conducting element configured to receive power, an insulating holder coupled to said conducting element, and a connector coupled to said insulating holder for connection to a medical device. | 04-07-2011 |
| 20110087217 | SURGICAL GENERATOR FOR ULTRASONIC AND ELECTROSURGICAL DEVICES - In accordance with various embodiments, methods for controlling electrical power provided to tissue via a surgical device may comprise providing a drive signal. A power of the drive signal may be proportional to a power provided to the tissue via the surgical device. The methods may also comprise periodically receiving indications of an impedance of the tissue and applying a first composite power curve to the tissue, wherein applying the first composite power curve to the tissue comprises. Applying the first composite power curve to the tissue may comprise modulating a first predetermined number of first composite power curve pulses on the drive signal; and for each of the first composite power curve pulses, determining a pulse power and a pulse width according to a first function of the impedance of the tissue The methods may also comprise applying a second composite power curve to the tissue. Applying the second composite power curve to the tissue may comprise modulating at least one second composite power curve pulse on the drive signal; and for each of the at least one second composite power curve pulses, determining a pulse power and a pulse width according to a second function of the impedance of the tissue. | 04-14-2011 |
| 20110160718 | ELECTROSURGICAL HF GENERATOR - An electrosurgical high frequency (HF) generator for cutting and/or coagulating biological tissue. The generator comprises a power supply and a generator stage for exciting an HF oscillation signal in an output filter comprising a parallel resonant circuit coupled to a series resonant circuit, to which at least one electrode is connected. The generator has an improved efficiency level if the series resonant circuit has a resonance frequency that is higher than the resonance frequency of the parallel resonant circuit. | 06-30-2011 |
| 20110213359 | CIRCULAR THERMAL CAPSULOTOMY TOOL AND SYSTEM - A system and tool for performing a capsulotomy procedure. The system includes an air pressure unit, a capsulotomy and movement control unit providing electrical current and movement control, and a capsulotomy tool, and an extendable-retractable burning element coupled to the tool, and a slidable shaping element. A capsulotomy and movement control unit provides 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. Then, the burning element is opened to a full circular, extended configuration, by pressing the shaping element against both joints of the bands, allowing a capsulotomy by applying an electrical pulse to the burning element. | 09-01-2011 |
| 20120010610 | Polarity Control of Electrosurgical Generator - A method for controlling an electrosurgical generator is contemplated by the present disclosure. The method includes applying an electrosurgical waveform to tissue through an electrode. The electrosurgical waveform includes one or more positive half-cycles one or more negative half-cycles. The method also includes measuring voltage and current of the electrosurgical waveform to detect a peak voltage of each of the positive half-cycles and the negative half-cycles and comparing the peak voltage of the half-cycles and the peak voltage of the negative half-cycles to determine generation of electrical discharges. The method further includes adjusting the current of the electrosurgical waveform to regulate the generation of the electrical discharges based on a comparison of the peak voltage of the positive half-cycles and the peak voltage of the negative half-cycles. | 01-12-2012 |
| 20120041436 | Electrosurgical Tool Having Tactile Feedback - A surgical tool system including a laparoscopic surgical tool for heating, ablating, sealing, and/or dissecting tissue, a control system for monitoring impedance of the tissue during treatment thereof, and a tactile feedback system integrated onto a handle of the tool that generates relevant feedback from the control system in at least the form of haptic effects to the user. The tactile feedback alerts the tool user of changes in tissue properties, i.e., when the impedance of the tissue indicates that the treatment procedure is complete. In addition, the tactile feedback provided may supply information relating to the operating status of the control system to the user. | 02-16-2012 |
| 20120239027 | Hemostatic Surgical Blade System and Method of Blade - 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. | 09-20-2012 |
| 20130030429 | Soft Tissue RF Transection and Resection Device - A method for performing an electrosurgical procedure is presented including providing an electrosurgical system having an electrosurgical generator, a first electrosurgical device including a first electrically conductive element, a second electrosurgical device including a second electrically conductive element configured to be coupled to a first location of a target tissue and a third electrosurgical device including a third electrically conductive element configured to be coupled to a second location of the target tissue. The method also includes the steps of positioning the second and third electrically conductive elements relative to one another, orienting and defining a direction and a length of a single resection line between the second and third electrically conductive elements, and moving the first electrically conductive element along the single resection line to desiccate or divide the target tissue. | 01-31-2013 |
| 20130123774 | SURGICAL TIPS FOR PIEZOELECTRIC BONE SURGERY - A series of tips for use with an ultrasonic or piezoelectric dental surgical device dental are used in osteotomy, ostectomy and osteoplasty procedures or any procedure requiring removal or shaping of bone or other hard tissues. In some embodiments, fissures are provided in a cutting end of the tip to facilitate osteotomy. The tips are shaped so that they are comfortable for the surgeon to use in a proper position, so that when a handpiece to which the tips are releasably attached is held in the conventional manner, the geometry of the osteotomy will be precise and desirable. When energized, the tips readily cut through bone or facilitate shaping of skeletal structures at the surgical site. Methods for use of the tips and systems in which the tips provided the cutting function are also described. | 05-16-2013 |
| 20130158544 | INSTRUMENT FOR WATER JET SURGERY - A surgical instrument for performing water jet surgical operations comprises a nozzle that can be moved via a hydraulic actuator out of a retracted or passive position into a moved-forward or active position. The actuation is accomplished using hydraulic fluid that is supplied to the instrument head via a tube and/or hose. The fluid (e.g., a sodium chloride solution) that is to be injected into the tissue can be used as the hydraulic fluid that is supplied to the nozzle. High-frequency (HF) current can additionally be applied to the nozzle. The HF current can be conducted to the nozzle via a line extending through the fluid conducting element or via the electrolyte present therein. | 06-20-2013 |
| 20130237982 | MULTI-MODE ELECTROSURGICAL APPARATUS - A multi-mode electrosurgical apparatus for use in cold plasma applications, electrosurgical cutting, electrosurgical coagulation and mechanical cutting is provided. The electrosurgical apparatus includes a housing having a passage extending therethough, an electrically conducting tube being disposed in the passage of the housing; an insulating outer tube disposed around the electrically conducting tube coupled to the housing, the electrically conducting tube being movable along a longitudal axis of the housing and outer tube; an electrically conducting blade coupled to the distal end of the electrically conducting tube, and a transformer assembly disposed on a proximal end of the housing, the transformer assembly including a first transformer and a first switch for selectively coupling the first transformer and an external second transformer to the electrically conducting tube for providing electrosurgical energy thereto. | 09-12-2013 |
| 20130296847 | TISSUE EXTRACTION DEVICES AND METHODS - Tissue may be cut and extracted from an interior location in a patient's body using a probe or tool which both effects cutting and causes vaporization of a liquid or other fluid to propel the cut tissue through an extraction lumen of the cutting device. The cutting may be achieved using an electrosurgical electrode assembly, including a first electrode on a cutting member and a second electrode within a cutting probe or tool. | 11-07-2013 |
| 20140074088 | CIRCULAR THERMAL CAPSULOTOMY TOOL AND SYSTEM - A system and tool for performing a capsulotomy procedure. The system includes a capsulotomy and movement control unit providing electrical current and movement control, and a capsulotomy tool, and an extendable-retractable burning element coupled to the tool, and a slidable shaping element. A capsulotomy and movement control unit provides 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. Then, the burning element is opened to a full circular, extended configuration, by pressing the shaping element against both joints of the bands, allowing a capsulotomy by applying an electrical pulse to the burning element. | 03-13-2014 |
| 20140171939 | Resecting Device - A resecting device is disclosed. The resecting device comprises: a handle having a jaw trigger slidably engaged with said handle and mechanically engaged with a spring mechanism communicating a biasing force to said jaw trigger; a fixed shaft portion having a first and a second end, wherein said fixed shaft portion first end is affixed to said housing, wherein said fixed shaft portion second end forms a first jaw member, and wherein said first jaw member has a tissue contact area; and a slidable shaft portion in communication with said spring mechanism and slidable relative to said fixed shaft portion. | 06-19-2014 |
| 20140171940 | ELECTRICAL CUTTING AND VESSEL SEALING JAW MEMBERS - The present disclosure relates to an end effector assembly for use with an electrosurgical instrument. The end effector assembly includes a pair of opposing first and second jaw members and a first electrically conductive cutting plate. The pair of opposing first and second jaw members is movable to cooperatively grasp tissue. Each of the jaw members includes a tissue contacting plate that is disposed thereon and has a longitudinal channel that is defined therealong. The first electrically conductive cutting plate includes a cutting element that extends along the first electrically conductive cutting plate and into the longitudinal channel of the first jaw member to engage and electrosurgically sever tissue upon activation thereof. | 06-19-2014 |
| 20140207134 | HIGH-FREQUENCY KNIFE - In a high-frequency knife, a through hole that extends in the direction of an axis is formed on a radial outer side of a second electrode in a larger-diameter portion, and a distance increasing portion increases a creeping distance along an external surface of the larger-diameter portion between an outer peripheral surface of the second electrode exposed to the outside and an opening of the through hole on a proximal end side. | 07-24-2014 |
| 20140236143 | ELECTROSURGICAL ELECTRODES - An electrode assembly is provided. The electrode assembly includes a proximal end that is adapted to connect to an electrosurgical instrument including a housing defining a longitudinal axis therethrough and an electrosurgical energy source. A distal end includes a cutting electrode having a loop configuration configured to cut tissue. The distal end includes a return electrode operably disposed adjacent the cutting electrode. A dielectric shield is operably disposed between the cutting electrode and return electrode. The dielectric shield extending distally past the cutting electrode to hinder current flow to the return electrode when the dielectric shield, cutting electrode and return electrode are submersed in a conductive solution and the cutting electrode is energized, thereby concentrating current density at the cutting electrode. | 08-21-2014 |
| 20140276774 | TISSUE DISSECTION DEVICE AND RELATED METHODS OF USE - Embodiments of the present disclosure include a method for treating tissue. The method may include delivering a medical device through a channel of an endoscopic device, wherein the medical device may include an elongate member, a cap coupled to a distal end of the elongate member and having a cavity, and an electrically-conductive tool extending into the cavity of the cap. The method may also include extending a portion of the medical device out of the channel of the endoscopic device and to the tissue, drawing a portion of the tissue into the cavity of the cap, electrically activating the tool to pierce the portion of the tissue, and cutting the tissue by moving the medical device along a plane of the tissue. | 09-18-2014 |
| 20140276775 | IDENTIFICATION OF SURGICAL SMOKE - A method includes assessing tumor margins and discriminating between tumor and non-tumor tissues by analyzing the compositional make-up of smoke produced during cautery resection of tissues. | 09-18-2014 |
| 20140358141 | ELECTROSURGICAL PENCIL WITH A SMOKE EVAPORATION TUBE - An electrosurgical pencil for cutting tissue during surgery by application of electrical energy supplied from a generator. A tube is provided for evacuation of smoke from the site of surgery. To improve flexibility and reduce the stiffness of the tube while maintaining generally the shape and ability of the tube to conduct smoke from the site, the tube comprises a polymer film, herein referred to as sheath stretched by at least one reinforcement element. | 12-04-2014 |
| 20150018815 | DEVICES, SYSTEMS, AND METHODS FOR TISSUE MORCELLATION - A morcellator includes a housing, an elongated tube extending distally from the housing, and first and second electrodes. A distal end of the elongated tube is configured to cut tissue. The first electrode extends from the housing to the distal end of the elongated tube and is disposed around at least a portion of the distal end of the elongated tube. The second electrode extends distally beyond the first electrode. Another morcellator includes a housing, an elongated tube extending distally from the housing, and an oscillating mechanism. A distal end of the elongated tube includes opposing blade sections and at least one blunt section. The opposing blade sections are configured to cut tissue. The oscillating mechanism is configured to drive oscillation of the elongated tube to cut tissue with the blade sections. | 01-15-2015 |
| 20150051598 | SURGICAL FORCEPS INCLUDING THERMAL SPREAD CONTROL - A surgical instrument includes one or more electrically-conductive plates adapted to connect to a source of energy for supplying energy to tissue to treat tissue, a temperature sensing element, and a thermal spread control assembly coupled to the temperature sensing element. The thermal spread control assembly is configured to determine a flow rate of heat energy across the temperature sensing element and to control the energy applied to the electrically-conductive plate and/or control active cooling of the temperature sensing element in accordance with the determined flow rate of heat energy. | 02-19-2015 |
| 20150066018 | Medical Instrument And Electrosurgical System - Bipolar medical instrument for cutting tissue under the action of high-frequency current, wherein the instrument extends along a longitudinal direction from a proximal end to a distal end, wherein an active electrode and a neutral electrode, adjacent to the active electrode, are arranged at the distal end, and wherein the neutral electrode has a curved profile with a first curvature and a second curvature, wherein the respective directions of the curvatures are different. An electrosurgical system is also disclosed, with a high-frequency generator, and with one such bipolar medical instrument, which can be attached to the high-frequency generator. | 03-05-2015 |
| 20150088123 | LIQUID EJECTING APPARATUS FOR MEDICAL TREATMENT - A liquid ejecting apparatus for medical treatment includes a liquid ejecting scalpel that ejects a liquid, an ultrasonic scalpel that generates an ultrasonic wave, an inner body that accommodates the liquid ejecting scalpel and the ultrasonic scalpel and includes a first opening portion allowing a distal end portion of the liquid ejecting scalpel or a distal end portion of the ultrasonic scalpel to protrude therethrough, an outer body that accommodates the inner body and includes a second opening portion at a position corresponding to the first opening portion, a suctioning path that is made by an aperture formed between the inner body and the outer body, and a manipulation section that is arranged in the outer body and selectively causes the distal end portion of the liquid ejecting scalpel or the distal end portion of the ultrasonic scalpel to protrude through the first opening portion. | 03-26-2015 |
| 20150094712 | ELECTROSURGICAL FIBROID ABLATION SYSTEM AND METHOD - Electrosurgical fibroid ablation systems and methods utilize a probe having at least two electrodes to perform bipolar ablation. The probe is inserted into a uterine fibroid so as to enter the fibroid along the major-axis direction of an ellipsoidal fibroid (a direction that is substantially parallel to the uterine wall). Inserting the probe in this direction facilitates ablation of the fibroid with a single probe penetration because the area of ablation tends to progress within a volume having an ellipsoidal shape that is aligned with the ellipsoidal shape of the fibroid. Furthermore, any scar left by the procedure tends to extend in a direction that is parallel to the uterine wall, and thus is less likely to propagate and cause rupture of the uterine wall during pregnancy. | 04-02-2015 |
| 20150112325 | NERVE PROTECTING DISSECTION DEVICE - The present invention provides an energy based dissection device that automatically provides a nerve protection function. Specifically, the present invention operatively connects nerve monitoring technology and energy based dissection technology to provide a device that provides energy based dissection functionality that cannot operate, or operates differently, upon receipt of real time information from the nerve monitoring functionality that nerve damage may be imminent in the absence of such safety shutdown. The present invention also creates a real-time graphical display of the nerve, including size and location relative to the energy based dissection device to enable the operator to safely and accurately avoid damaging the nerve. Accordingly, the present invention provides a surgical device that removes human error and reaction time issues which prevent unintended dissection and concomitant nerve damage. | 04-23-2015 |
| 20150119873 | ELECTROSURGICAL MEDICAL SYSTEM AND METHOD - A system for controlling an electrosurgical electrode of a medical device includes a hand-held electrosurgical electrode having cutting probe. A return electrode is positioned remote from the electrosurgical electrode. An RF generator is coupled to the electrosurgical electrode and to the return electrode, and includes an RF amplifier. The RF generator generates an RF signal at a first RF power level for tissue cutting and generates the RF signal at a second RF power level greater than the first RF power level to initiate tissue cutting. A sensor monitors an electrical characteristic associated with the electrosurgical electrode. A controller coupled to the RF amplifier maintains a desired RF power output and a desired RF duty cycle at the first RF power level by adjusting a DC input voltage applied to an output stage of the RF amplifier based on the monitored electrical characteristic associated with the electrosurgical electrode. | 04-30-2015 |
| 20150119874 | GUARD DEVICE FOR SURGICAL CUTTING AND EVOKED POTENTIAL MONITORING SYSTEM - A guard for use with a surgical cutting system. The guard includes a housing and wiring. The housing defines a longitudinal passageway, and is configured for releasable attachment to an instrument handpiece. The wiring is coupled to the housing and includes an electrically conductive wire and an insulative material. The wire defines opposing, first and second ends, with the first end being positioned within the passageway. The insulative material covers the wire apart from the first end such that the first end of the wire is exposed within the passageway. The first end of the wire establishes an electrical connection with a cutting tool shank upon placement within the passageway. | 04-30-2015 |
| 20150126994 | PUNCTURE TOOL AND ULTRASOUND ENDOSCOPE - A puncture tool includes: a needle tube internally including a channel; an opening portion arranged at a proximal end portion of a needle tube turning operation portion; a conical shape portion to be punctured into a subject, the conical shape portion being arranged at a distal end portion of the needle tube; an opening portion arranged on a proximal end side of the conical shape portion and communicating with the channel; a blade capable of being inserted through the channel of the needle tube and capable of causing a cutting portion to project from the opening portion when being inserted through the channel; and a connector for electrically connecting the conical shape portion and a high frequency power supply device. | 05-07-2015 |
| 20150297280 | LOW-TEMPERATURE PLASMA GENERATOR USED IN SURGERY AND KNIFE SYSTEM FORMED BY SAME - The invention discloses a low-temperature plasma generator used in surgeries and a probe system controlled by the same. The plasma generator comprises a CPU (central processing unit) control module, a vibration module connected with the CPU control module, a low-temperature plasma generator composed of an output module which is connected with the vibration module, and a probe system, comprising normal saline input equipment and a plasma probe, controlled by the low-temperature plasma generator. By the arrangement, defects of over-high temperature and big smog during cutting in existing surgeries are overcome, and defects of serious influences on surgery process caused by the fact that auxiliary equipment is needed for cleaning after blooding are further overcome. Low-temperature cutting is realized by generating the plasma probe, and timely cleaning can also be realized. The low-temperature plasma generator applied to surgeries and the probe system controlled by the same are convenient and quick to operate and quite suitable for operations on operating tables. | 10-22-2015 |
| 20150305805 | HOLLOW BODY CAVITY ABLATION APPARATUS - An ablation apparatus places electrodes at the perimeter of a cavity. In an embodiment, the alternating electric field is used to expose the cavity to enough energy to ablate the cavity. In an embodiment, two modes are used to expose different regions of the cavity to different amounts of power so that the thermal effect is more uniform. In an embodiment, the electrodes have a relatively large surface area so as to avoid charring the cavity, but are shaped so as to fit within a body orifice. | 10-29-2015 |
| 20150335376 | MULTIPURPOSE ELECTROSURGICAL INSTRUMENT WITH TELESCOPING ASPIRATION CANNULA - An electrosurgical dissection instrument having a telescoping electrode and a telescoping aspiration tube is disclosed. In an exemplary embodiment, the electrosurgical dissection instrument includes a housing, a vacuum cannula extending distally from the housing, and an electrode extending distally from the housing through the vacuum cannula. The vacuum cannula and electrode are configured for independent, selective positioning along a longitudinal axis of the housing. An aspiration tube may be coupled to the vacuum cannula. The vacuum cannula and/or aspiration tube many include one or more pre-aspiration ports and/or an elastomeric or rigid aspiration tip at a distal end thereof. A second independently-positionable vacuum cannula and/or aspiration tube may be disposed within the first vacuum cannula and/or aspiration tube. Once positioned, the vacuum cannula and electrode may be fixed in position to prevent undesired movement during use. | 11-26-2015 |
| 20150335379 | INTEGRATED BLADE ASSEMBLY AND IDENTIFICATION CIRCUIT - An interchangeable tip comprising: a stylet; a blade module including: an enclosure that electrically connects, signally connects, or both the interchangeable tip to a power source, a signal source, or both; and blade circuitry having: one or more control buttons, one or more switches, or both for controlling operation one or more functions of the interchangeable tip. | 11-26-2015 |
| 20150335382 | DENERVATION METHODS - System and methods for channeling a path into bone include a trocar having a proximal end, distal end and a central channel disposed along a central axis of the trocar. The trocar includes a radial opening at or near the distal end of the trocar. The system includes a curveable cannula sized to be received in the central channel, the curveable cannula comprising a curveable distal end configured to be extended laterally outward from the radial opening in a curved path extending away from the trocar. The curveable cannula has a central passageway having a diameter configured allow a probe to be delivered through the central passageway to a location beyond the curved path. | 11-26-2015 |
| 20150359671 | ATTENUATED RF POWER FOR AUTOMATED CAPSULORHEXIS - A capsulorhexis apparatus includes a capsulorhexis probe configured for insertion into an eye through an incision and a pulse generator configured to deliver at least one radio-frequency (RF) pulse to the capsulorhexis probe. The delivered RF pulse has a pre-determined attenuation profile such that the power level of the delivered RF pulse is substantially attenuated over the RF pulse's duration. In some embodiments, the pulse generator is configured to deliver a series of two or more RF pulses to the eye, such that the energy of each of the second and subsequent pulses of the series is substantially attenuated relative to the energy of the immediately preceding pulse. | 12-17-2015 |
| 20160038216 | Monitoring and Controlling Energy Delivery of an Electrosurgical Device - A method is disclosed for delivering energy to a region of tissue within a patient's body using a medical treatment system. The medical treatment system comprises an energy delivery device coupled to an energy source and the method includes steps of delivering energy, measuring an energy delivery parameter, determining distance of the energy delivery device from a conductive object and optionally adjusting a position of the energy delivery device based on the determined distance. | 02-11-2016 |
| 20160051313 | Attachment for Electrosurgical System - An electrosurgical scalpel for a gas-assisted electrosurgical system. The electrosurgical scalpel has a dielectric portion and a conductive portion. The dielectric portion forms a substantial majority of the outer surface of the scalpel such that the conductive portion is only exposed along a thin edge of the scalpel. The dielectric portion provided stiffness to the very thin conductive portion and causes energy to be concentrated at the thin edge of the scalpel. | 02-25-2016 |
| 20160106497 | TISSUE EXTRACTION DEVICES AND METHODS - A tissue cutting device has an outer sleeve with a distal window and an inner cutting sleeve which moves past the window to cut tissue. The inner cutting sleeve has a lumen which may have a larger proximal diameter than distal diameter. A perimeter of the window may comprise a dielectric material. A distal edge of the inner sleeve may be displaced inwardly. | 04-21-2016 |
| 20160135874 | DYNAMIC AND STATIC BIPOLAR ELECTRICAL SEALING AND CUTTING DEVICE - An end effector assembly includes opposed jaws moveable from an open to a closed position for grasping tissue therebetween. Each jaw includes an electrically conductive surface adapted to conduct electrosurgical energy through tissue disposed between the jaws. A static bipolar cutting portion including at least one electrically conductive cutting element and at least one insulating element having a first configuration is disposed on at least one of the jaws. The static cutting portion is configured to electrically cut tissue disposed between the jaws upon activation of the cutting element and at least one of an opposing sealing surface and an opposing cutting element. A dynamic cutting portion including at least one electrically conductive cutting element and at least one insulating element having a second configuration is disposed on at least one of the jaws. The dynamic cutting portion electrically transects tissue during movement relative to tissue. | 05-19-2016 |
| 20160135882 | INTRA-CARDIAC MAPPING AND ABLATING - Systems, methods, and devices allow percutaneous mapping, orientation and/or ablation in bodily cavities or lumens. Such may include a structure that is percutaneously positionable in a cavity, such as an intra-cardiac cavity of a heart. Transducers carried by the structure are responsive to blood flow. For example, the transducers may sense temperature, temperature being related to convective cooling caused by blood flow. A controller discerns positional information or location, based on signals from the transducers. For example, blood flow may be greater and/or faster proximate a port in cardiac tissue than proximate tissue spaced from the port. Position information may allow precise ablation of selected tissue, for example tissue surround a port in the intra-cardiac cavity. | 05-19-2016 |
| 20160184003 | SYSTEM, METHOD AND COMPUTER-ACCESSIBLE MEDIUM FOR IN-VIVO TISSUE ABLATION AND/OR DAMAGE - Systems, methods and computer-accessible mediums can be provided that can establish particular parameters for electric pulses based on a characteristic(s) of the tissue(s), and control an application of the electric pulses to tissue(s) for a plurality of automatically controlled and separated time periods to ablate the tissue(s) through mediation of membrane potential and through inducing the cells through a plurality of charge—discharge cycles such that an electroporation of a majority of the tissue(s) is prevented or reduced. | 06-30-2016 |
