| Entries |
| Document | Title | Date |
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| 20080215050 | TISSUE ENGAGING HEMOSTASIS DEVICE - Various methods and devices are provided for cauterizing tissue. In one embodiment, a device for cauterizing tissue is provided and includes an elongate shaft adapted to be inserted through a body lumen, and a bipolar hemostasis probe disposable through the flexible elongate shaft and having a distal end adapted to cauterize tissue. An articulating jaw can be movably coupled to a distal end of the elongate shaft such that the articulating jaw and the distal end of the probe are adapted to grasp tissue therebetween. The probe can have at least one electrode disposed on a distal end thereof, and a proximal end of the probe can be adapted to couple to an energy source for delivering energy to the distal end of the probe to facilitate cauterization of tissue. | 09-04-2008 |
| 20080243119 | VACUUM COAGULATION PROBE FOR ATRIAL FIBRILLATION TREATMENT - An embodiment of the invention includes a surgical device for coagulating soil tissue such as atrial tissue in the treatment of atrial fibrillation, atrial flutter, and atrial tachycardia. The surgical device can include at least one elongate member comprising conductive elements adapted to coagulate soft tissue when radiofrequency or direct current energy is transmitted to the conductive elements. Openings through said conductive elements are routed through lumens in the elongate member to a vacuum source to actively engage the soft tissue surface intended to coagulate into intimate contact with the conductive elements to facilitate the coagulation process and ensure the lesions created are consistent, contiguous, and transmural. The embodiments of the invention can also incorporate cooling openings positioned near the conductive elements and coupled with a vacuum source or an injection source to transport fluid though the cooling openings causing the soft tissue surface to cool thus pushing the maximum temperature deeper into tissue. The embodiments of the invention can also incorporate features to tunnel between anatomic structures or dissect around the desired tissue surface to coagulate thereby enabling less invasive positioning of the soft tissue coagulating device and ensuring reliable and consistent heating of the soft tissue. | 10-02-2008 |
| 20080262493 | BIPOLAR SCISSORS WITH CURVED SHEAR BLADES - Bipolar scissors ( | 10-23-2008 |
| 20080294161 | Electrical cautery device - An electrical surgical cautery device for delivering thermal energy to cauterize and provide hemostasis to a bleeding tissue comprises an electrically powered flexible thermal delivery element having a substantially planar resistive coil embedded in a thermally conductive material. The thermally conductive material comprises a tissue contact surface and a non-tissue contact surface. A power source is connected to the resistive coil of the thermal delivery element and provides an electrical current to heat the thermal delivery element being pressed against the tissue. A method for providing hemostasis to a bleeding tissue surface comprises providing and pressing an electrical cautery device having a thermal delivery element, against the hemorrhaging tissue at a predetermined temperature for an interval sufficient to cauterize the tissue and provide hemostasis. | 11-27-2008 |
| 20090030413 | Surgical instrument and method for treating scar encapsulation - A surgical instrument and method of use is described for the treatment of scar encapsulation, particularly related to malleable implants, such as silicone or saline breast implants. The instrument includes an elongate housing with distal and proximal ends. At least two interior conduits traverse the housing. One of the at least two interior conduits splits into a plurality of smaller passages at or near the distal end permitting flow of a fluid or application of suction. A central one of the at least two interior conduits is an energy conduit fitted with an electrode. | 01-29-2009 |
| 20090048595 | ELECTRIC PROCESSING SYSTEM - An electric processing system is provided with a treatment instrument which subjects a living tissue to a first treatment based on a cauterization process for adhesion using high-frequency power and a second treatment based on a desiccation process for dehydrating a region healed by the adhesion, a detector for detecting a phase difference signal from the output high-frequency power, and a controller which controls the entire system. The controller switches the first treatment over to the second treatment when the phase difference signal is detected. When a predetermined phase difference as a criterion is exceeded by the phase difference detected during the second treatment, the controller stops the output of the high-frequency power, whereupon the second treatment terminates. | 02-19-2009 |
| 20090054896 | CONTROL OF MUCUS MEMBRANE BLEEDING WITH COLD PLASMA - The use of non-thermal plasma to treat mucus membrane bleeding is described herein. A non-thermal plasma is generated using an apparatus having a first electrode that receives alternating electrical potentials from a power supply. When placed in an appropriate location proximate to tissue, a non-thermal plasma is generated, the second electrode being human tissue, blood, etc. To reduce the likelihood of an arc being generated, potentially causing tissue damage or pain, the first electrode is partially encapsulated by a dielectric. The non-thermal plasma is applied to the area of bleeding for treatment. | 02-26-2009 |
| 20090069808 | METHOD FOR ABLATING WITH NEEDLE ELECTRODE - A method for ablating tissue in or around the heart to create an enhanced lesion is provided. The distal end of a catheter including a needle electrode at its distal end is introduced into the heart. The distal end of the needle electrode is introduced into the tissue. An electrically-conductive fluid is infused through the needle electrode and into the tissue. The tissue is ablated after and/or during introduction of the fluid into the tissue. The fluid conducts ablation energy within the tissue to create a larger lesion than would be created without the introduction of the fluid. | 03-12-2009 |
| 20090076505 | Electrosurgical instrument - An electrosurgical instrument provides pressurized gas to a surgical site and includes a hand-held applicator having a housing with proximal and distal ends and a tube defined therethrough. The tube is adapted to connect to a source of pressurized gas and is configured to selectively deliver a volume of pressurized gas to a surgical site. An actuator is also included which is configured to selectively regulate the volume of pressurized ionizable gas flowing through the tube. The actuator selectively regulates the flow of the gas through the tube. The actuator is positionable from a first position which allows a first predetermined volume of pressurized ionizable gas to flow through the tube for dissection purposes to at least one subsequent position which allows a different volume of pressurized ionizable gas to flow through the tube for coagulation purposes. The actuator, when disposed in the at least one subsequent position, operatively communicates with an active electrode to ionize the different volume of pressurized ionizable gas prior to the different volume of pressurized ionizable gas exiting the tube. | 03-19-2009 |
| 20090099564 | Surgical Probe For Supporting Inflatable Therapeutic Devices In Contact With Tissue In Or Around Body Orifice And Within Tumors - A probe that facilitates the creation of lesions in bodily tissue. The probe includes a relatively short shaft and an inflatable therapeutic element. | 04-16-2009 |
| 20090118732 | Electrode arrangement for a surgical instrument for electrothermal coagulation in tissue - There is provided a surgical instrument for electrothermal coagulation of tissue, which includes a front cylinder at the distal end of the instrument having a distal tip, an elongate carrier, and two spaced cylindrical or strip-shaped electrodes at or on the carrier which are connectable to an HF-ac voltage source. | 05-07-2009 |
| 20090171352 | CUTTING AND COAGULATION ELECTRODE - In an electro-surgical instrument ( | 07-02-2009 |
| 20090222004 | ELECTROSURGICAL METHOD AND SYSTEM FOR TREATING FOOT ULCER - An electrosurgical method for treating foot ulcer, including diabetic foot ulcer, comprising: positioning an active electrode in close proximity to the ulcer, the active electrode being disposed on a distal end of an electrosurgical shaft; applying a high-frequency voltage potential difference across the active electrode and a return electrode in the presence of an electrically conductive fluid, the voltage potential being sufficient to generate plasma at the active electrode; and stimulating the ulcer with the active electrode to increase blood flow, remove unhealthy tissue and induce the body's natural healing response. | 09-03-2009 |
| 20090259224 | VESSEL SEALING SYSTEM - A method for electrosurgically sealing a tissue includes steps of: (A) applying a first pulse of RF energy to the tissue; and (B) applying at least one subsequent RF energy pulse to the tissue and keeping constant or varying RF energy parameters of individual pulses of subsequent RF energy pulses in accordance with at least one characteristic of an electrical transient that occurs during the individual RF energy pulses. The method terminates the generation of the at least one subsequent RF pulse upon a determination that the electrical transient is absent. | 10-15-2009 |
| 20090259225 | Minimally Invasive Surgical Needle and Cauterizing Assembly and Methods - A minimally invasive surgical assembly broadly includes an outer hollow needle which has an outer diameter, a longitudinal axis, and a sharp distal end. An insulating member extends through the hollow needle and is movable relative to the hollow needle. An elongated member extends through the insulating member and is movable relative to both the insulating member and the hollow needle. A resilient wire projects from the elongated member and is retractable within and extendable outside of the insulating member and the hollow needle. The insulating member, elongated member, and resilient wire are movable relative to the needle using first and second moving means whereby the surgical assembly assumes various configurations having different operational functions. | 10-15-2009 |
| 20090275941 | Gas-Enhanced Surgical Instrument - A gas-enhanced electrosurgical instrument includes a hand-held applicator and a portable actuator assembly. The hand-held applicator has a gas delivery member adapted to deliver pressurized ionizable gas to the proximity of an electrode located adjacent a distal end of the applicator. The portable actuator assembly is capable of holding a source of pressurized ionizable gas, such as a cylinder or cartridge, and includes at least one controller to control the delivery of the gas from the source to the hand-held applicator and to control the delivery of electrosurgical energy to the hand-held applicator. | 11-05-2009 |
| 20100016855 | Modular Tool With Signal Feedback - Implementations of modular tools and methods of operating modular tools are described in the present disclosure. A modular tool according to one of several possible embodiments comprises a handle portion and a distal portion. The handle portion is configured to be manipulated by a user. The distal portion is configured to be attached to the handle portion, but is further configured to be removable from the handle portion by the user. Manipulation of the handle portion causes movement of one or more components of the distal portion. The distal portion is further configured to sense one or more parameters and transmit the sensed parameters to the handle portion. | 01-21-2010 |
| 20100016856 | Articulating Ionizable Gas Coagulator - A method for coagulating tissue is disclosed. The method includes the steps of providing an electrosurgical apparatus including: an elongated flexible tube having a proximal end and a distal end and defining a longitudinal axis and at least one electrode mounted proximate to the tube for ionizing pressurized ionizable gas. The method also includes the steps of moving the distal end of the tube from a first position wherein the distal end is disposed in a generally parallel fashion relative to the tissue to a second position wherein the distal end directs pressurized ionizable gas flowing through the tube at an angle α with respect to the longitudinal axis and igniting the pressurized ionized gas through the at least one electrode. | 01-21-2010 |
| 20100023007 | Electrosurgical devices, systems and methods of using the same - According to an aspect of the present disclosure, a desiccation device for operation on a target tissue is provided. The device includes a handle; a shaft extending distally from the handle, wherein the shaft defines a lumen therethrough; and a head having a loop configuration supported on a distal end of the shaft, the head being hollow and defining a lumen therethrough, said lumen being in fluid communication with the lumen of the shaft. At least a portion of the cutting head is electrically connected to a source of electrosurgical energy. A fluid is circulatable through the lumen of the shaft and the head. | 01-28-2010 |
| 20100023008 | Suction Coagulator - An electrosurgical suction coagulator is disclosed having improved thermal insulation between the active electrode and adjacent tissue. In embodiments, passive insulation is used to control the transfer of thermal energy from an electrosurgical electrode into surrounding tissue. Braided, closed-sell foam material, and open cell foam materials may be used to thermally insulate the outer surface of a suction coagulator shaft from an inner electrode. In embodiments, a suction coagulator shaft includes an external covering formed from open-cell foam material, which may be saturated with a coolant, such as water or saline, to increase the thermal mass of the shaft. In other embodiments, active cooling delivers coolant to the operative site. In yet other embodiments, a suction coagulator shaft includes a cooling jacket through which coolant is passed to actively cool the instrument. The improved electrosurgical suction coagulator disclosed herein may have a reduced operating surface temperatures which may result in reduced risk of undesirable effects to adjacent tissue, and may result in reduced operative times and improved patient outcomes. | 01-28-2010 |
| 20100049193 | Insulated Tube for Suction Coagulator - An electrosurgical suction coagulator includes a housing having proximal and distal ends and a substantially malleable elongated tube-like shaft extending longitudinally from a distal end thereof. The elongated tube-like shaft includes a tube-like outer wall having a tube-like dielectric sheath at least partially disposed thereon. A tube-like electrode is disposed coaxially through the tube-like outer wall and is configured to operably couple to a source of electrosurgical energy. A distal end of the tube-like electrode protrudes at least partially from a distal end of the tube-like outer wall and the tube-like electrode has at the distal end thereof at least one aspiration port defined therein. The tube-like electrode is adapted at the proximal end thereof to operably couple to a source of suction. A vacuum space is disposed concentrically between the tube-like electrode and the tube-like outer wall to impede the propagation of thermal energy along the tube-like shaft. | 02-25-2010 |
| 20100063501 | MULTI-PORT SIDE-FIRE COAGULATOR - An electrosurgical apparatus for coagulating tissue used in combination with an endoscope which includes an elongated flexible tube having a plurality of side-ports located therethrough. The tube extends through a working channel of the endoscope and an ionizable gas is supplied to the tube at or near the proximal end of the tube. A diffusing member directs the ionizable gas from the proximal end of the tube through each of the side-ports towards the tissue. An electrode is used for ionizing the gas prior to the gas exiting the side-ports. | 03-11-2010 |
| 20100076429 | SURGICAL STAPLER AND METHOD - The present disclosure relates to surgical instruments including a staple anvil formed in a distal end of the surgical stapler and a staple cartridge selectively receivable in a distal end of the surgical stapler and in juxtaposition relative to the staple anvil, the staple cartridge including one or more laterally spaced apart rows of staple slots formed in an upper surface thereof, a plurality of surgical staples disposed, one each, within the staple slots, and a staple line reinforcing system configured and adapted to augment the strength of the staple line formed by the firing of the surgical staples into body tissue, wherein the surgical stapler concomitantly drives the plurality of surgical staples through the adjacent layers of body tissue to mechanically secure the body tissue and activates the reinforcing system to non-mechanically secure the adjacent layers of body tissue to one another. | 03-25-2010 |
| 20100114096 | Tissue Coagulation Method and Device Using Inert Gas - A gas-enhanced electrosurgical method and apparatus for coagulating tissue. The apparatus includes a first tube with a proximal end and a distal end. The proximal end of the first tube is configured to receive pressurized ionizable gas. The distal end of the first tube is configured to deliver ionized gas towards a treatment area. The apparatus also includes at least one electrode positioned to selectively ionize the pressurized ionizable gas before the pressurized ionizable gas exits the distal end of the first tube. The electrode is adapted to operatively couple to an electrical energy source. The apparatus also includes a second tube with proximal and distal ends. The second tube is configured to selectively evacuate the ionized gas and dislodged tissue material from the treatment area. | 05-06-2010 |
| 20100121322 | ELECTROPHYSIOLOGY ELECTRODE HAVING MULTIPLE POWER CONNECTIONS AND ELECTROPHYSIOLOGY DEVICES INCLUDING THE SAME - An electrophysiology electrode having multiple power connections and electrophysiology devices including the same. | 05-13-2010 |
| 20100152732 | MEDICAL DEVICE - A medical device is configured to perform a holding operation by a clamping mechanism with respect to a biological tissue at a periphery of a defect and a supply operation of electric energy independently by flowing current in the clamping mechanism while sandwiching biological tissue composed of an atrial septum secundum and a foramen ovale valve by way of the clamping mechanism to fuse the biological tissues by, for example, turning on a switch which on-off controls the supply of the electric energy. | 06-17-2010 |
| 20100168745 | COMPOSITE FIBER ELECTROSURGICAL INSTRUMENT - Described is a surgical instrument for electrocauterization (e.g., an electric knife), the surgical instrument including: a body portion for holding and controlling the surgical instrument, and, physically attached thereto, a radio-opaque tip for cauterizing living body tissue, wherein at least the tip comprises a silicon material. In such an instrument, the tip is typically a tip electrode. Aspects of the invention may also comprise a tip (e.g., a tip electrode) made of a composite fiber and colored. Aspects of the invention may also comprise a tip made of at least one material selected from the group consisting of M60 pitch fiber, metal coated carbon fiber, metal impregnated into fiber, AS4 carbon fiber, polyacrylonitrile fiber, shaped vinyl carbon fiber, and combinations thereof. Also described are methods of making a surgical instrument for electrocauterization, as well as methods of electrocauterization. | 07-01-2010 |
| 20100211069 | Two Piece Tube for Suction Coagulator - An electrosurgical suction coagulator includes a housing having proximal and distal ends. An elongated tube-like shaft extends longitudinally from the distal end of the housing. The elongated tube-like shaft includes a tube-like dielectric sheath and a tube-like electrode disposed coaxially through the tube-like dielectric sheath. The tube-like electrode couples to a source of electrosurgical energy. A proximal end of the tube-like electrode couples to a source of suction. An electrically conductive distal tip is mechanically coupled to a distal end of the tube-like electrode and is in electrical communication with the tube-like electrode. The electrically conductive tip protrudes from a distal end of the tube-like shaft and has one or more aspiration ports defined at its distal end. The electrically conductive distal tip is made from a material having less thermal conductivity than the tube-like electrode such that the electrically conductive distal tip impedes the propagation of thermal energy proximally. | 08-19-2010 |
| 20100211070 | APPARATUS AND METHODS FOR SUPPLYING FLUID TO AN ELECTROPHYSIOLOGY APPARATUS - Methods and apparatus for supplying fluid during a tissue coagulation procedure. | 08-19-2010 |
| 20100228251 | COAGULATION STENCIL AND APPLICATION DEVICE - The invention concerns a coagulation stencil for arranging a group of high frequency electrodes, comprising a plurality of arrangements of holes each comprising three mutually equally spaced receiving holes which extend substantially parallel and in which the high frequency electrodes can be inserted. To provide an improved coagulation stencil it is provided in accordance with the invention that the receiving holes are arranged in two rows extending in substantially radiating form away from a common receiving hole and the spacing of each receiving hole of one of the arrangements of holes relative to the nearest outside contour of the coagulation stencil is less than five times the diameter of the receiving hole. | 09-09-2010 |
| 20100305566 | TRANSCERVICAL EXCISION AND REMOVAL OF TISSUE - A hysterectomy method may include: severing a patient's uterus from the patient's cervix; then coring the cervix; and then morcellating the severed uterus using a morcellator inserted through the cored cervix. | 12-02-2010 |
| 20100305567 | APPARATUS FOR SECURING AN ELECTROPHYSIOLOGY PROBE TO A CLAMP - An apparatus for use with a clamp including a base member configured to be secured to the clamp and at least one energy transmission device carried by the base member. An apparatus for use with a clamp and a probe that carries at least one energy transmission device including a base member configured to be secured to the clamp and an engagement device associated with the base member and configured to engage the probe. A clamp including first and second clamp members, at least one of which is malleable, and a movement apparatus that moves at least one of the first and second clamp members relative to the other. A surgical system including a clamp with first and second clamp members and a device that removably mounts at least one electrode on at least one of the first and second clamp members. | 12-02-2010 |
| 20100324555 | Thermal Barrier for Suction Coagulator - An electrosurgical suction coagulator includes a housing having proximal and distal ends and a substantially malleable elongated tube-like shaft extending longitudinally from the distal end of the housing. The elongated tube-like shaft includes a tube-like dielectric sheath and a tube-like electrode disposed coaxially through the tube-like dielectric sheath. The tube-like electrode is configured to operably couple to a source of electrosurgical energy and a proximal end of the tube-like electrode is adapted to operably couple to a source of suction. The tube-like shaft also includes a thermally conductive member. The thermally conductive member is disposed concentrically about the tube-like shaft and at least partially along a longitudinal length of the tube-like shaft. The thermally conductive member is configured to increase a surface area of the tube-like shaft to dissipate thermal energy about the increased surface area. | 12-23-2010 |
| 20100331836 | Medical coagulation instrument - A medical coagulation instrument having a shaft as well as at least one electrode tip that extends beyond the distal end of the shaft. To create a coagulation instrument whose electrodes are of simple structure and ensure an atraumatic and safe handling, at least one electrode tip should be widened or be configured as widening in the distal direction. | 12-30-2010 |
| 20110028971 | TREATMENT SYSTEM, TREATMENT INSTRUMENT, AND METHOD FOR TREATING LIVING TISSUE BY USE OF ENERGY - A treatment system includes a seal member, a maintaining member and a control section, and is configured to exert energy to a living tissue to treat the living tissue. The seal member is configured to join a sealed region which seals desirable regions of at least two living tissues when the energy is exerted to the sealed region. The maintaining member is configured to maintain the living tissues in the vicinity of the sealed region being brought into contact with each other when the energy is exerted to the living tissues. The control section is configured to offset energy output timings of the seal member and the maintaining member. | 02-03-2011 |
| 20110034923 | METHODS AND DEVICES FOR RETAINING SURGICAL INSTRUMENTS AND CABLES WITHIN STERILE FIELDS - The subject devices and methods retain surgical instruments and sterile portions of any accompanying cables within sterile surgical fields. One such surgical device includes a surgical instrument for performing surgical procedures within a sterile field. A cable is attached to the surgical instrument for connecting the surgical instrument located within the sterile field to support equipment located outside the sterile field. A self-retracting coil is operatively connected to the surgical instrument. The self-retracting coil is adapted and configured to be anchored within the sterile field to ensure that the surgical instrument and the sterile portion of the cable remain within the sterile field during performance of the surgical procedure. | 02-10-2011 |
| 20110087223 | MAGNETIC SURGICAL SLED WITH LOCKING ARM - A surgical device comprises an ex vivo magnet and an in vivo sled magnetically attracted to the ex vivo magnet. The sled can be positioned and anchored within a patient by moving the ex vivo magnet. The sled defines a longitudinal axis. An arm extends from the sled. The arm being moveable relative the sled between a retracted position and an extended position. The arm comprises an end effector. A locking mechanism operatively connected to the arm to lock the arm in the retracted and extended positions. The mechanism may include a rack that both rotates about a pinion and translates tangentially about the pinion. | 04-14-2011 |
| 20110087224 | MAGNETIC SURGICAL SLED WITH VARIABLE ARM - A surgical device comprises an ex vivo magnet and an in vivo sled magnetically attracted to the ex vivo magnet. The sled can be positioned and anchored within a patient by moving the ex vivo magnet. The sled defines a longitudinal axis. An arm extends from the sled. The arm being moveable relative the sled between a retracted position and an extended position. The arm comprises an end effector. A longitudinally oriented screw operatively is connected to the sled and arm such that rotation of the screw moves the arm between the retracted and extended positions. | 04-14-2011 |
| 20110092973 | NANOSECOND PULSED ELECTRIC FIELDS CAUSE MELANOMAS TO SELF-DESTRUCT - Methods for a new, drug-free therapy for treating solid skin tumors through the application of nanosecond pulsed electric fields (“nsPEFs”) are provided. In one embodiment of the invention, the cells are melanoma cells, and the applied nsPEFs penetrate into the interior of tumor cells and cause tumor cell nuclei to rapidly shrink and tumor blood flow to stop. This new technique provides a highly localized targeting of tumor cells with only minor effects on overlying skin. | 04-21-2011 |
| 20110137311 | VACUUM COAGULATION PROBES - An embodiment of the invention includes a surgical device for coagulating soft tissue such as atrial tissue in the treatment of atrial fibrillation, atrial flutter, and atrial tachycardia; tendon or ligament shrinkage; or articular cartilage removal. The surgical device integrates a suction mechanism with the coagulation mechanism improving the lesion creation capabilities of the device. The surgical device comprises an elongate member having an insulative covering attached about conductive elements capable of coagulating soft tissue when radiofrequency or direct current energy is transmitted to the conductive elements. Openings through the insulative covering expose regions of the conductive elements and are coupled to lumens in the elongate member which are routed to a vacuum source. Suction causes the soft tissue to actively engage the opening thus the integrated, exposed conductive elements to facilitate the coagulation process and ensure the lesions created are consistent, continuous, and transmural. The embodiments of the invention can also incorporate cooling mechanisms associated with the conductive elements and coupled to a fluid source to passively transport fluid along the contacted soft tissue surface to cool thus pushing the maximum temperature deeper into tissue. | 06-09-2011 |
| 20110152862 | DEVICE FOR PRODUCING ANASTOMOSES AND COAGULATION ELECTRODE - A device for producing anastomoses between first and second hollow organs, each having inner and outer surfaces. The device comprises a sleeve with an electrode arrangement, over which the first hollow organ is placed such that its inner surface comes to lie on a outermost surface of the sleeve, and an outer electrode arrangement, which can be brought into electrical contact with the opposing electrode arrangement carrying the second hollow organ, which is pushed over the first hollow organ. The outer electrode arrangement comprises a plurality of lamellae, configured and arranged such that, in a closed state, the lamellae form a through aperture and the inner edges of the lamellae lie against the second hollow organ and, in an open state, a gap is formed between the lamellae through which the hollow organs connected to one another can be guided outwardly out of the through aperture. | 06-23-2011 |
| 20110160726 | APPARATUS AND METHODS FOR FLUID COOLED ELECTROPHYSIOLOGY PROCEDURES - Methods and apparatus associated with irrigated tissue ablation procedures. | 06-30-2011 |
| 20110213366 | METHOD AND DEVICES FOR PERFORMING MINIMALLY INVASIVE SURGERY - A device for use in performing minimally invasive surgery. A system for performing minimally invasive surgery comprising the device according to the present invention. A method for performing minimally invasive surgery. | 09-01-2011 |
| 20110251611 | Sealing Plate Temperature Control - An end effector assembly for use with an electrosurgical instrument is provided. The end effector assembly has a pair of opposing jaw members. At least one of the jaw members has a support base and a sealing plate coupled to the electrical jaw lead. The sealing plate has a stainless steel layer and a copper layer formed on the underside of the stainless steel layer. | 10-13-2011 |
| 20110270250 | Induction Sealing - An end effector assembly for use with an electrosurgical instrument is provided. The end effector assembly has a first jaw member having a support base and a sealing plate formed from a ferrous material. The end effector assembly also has a second jaw member including a support base, an electrical jaw lead and a sealing plate coupled to the electrical jaw lead. The sealing plate includes a first layer formed from a non-stick material and a second layer having a coil formed thereon. | 11-03-2011 |
| 20110282344 | VACUUM COAGULATION PROBES - Methods for using a surgical device integrating a suction mechanism with a coagulation mechanism for improving lesion creation capabilities. The device comprises an elongate member having an insulative covering attached about means for coagulating soft tissue with at least one diagnostic element coupled to an energy transfer element of the device. 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 and a fluid source to passively transport fluid along the contacted soft tissue surface in order to push the maximum temperature deeper into tissue. | 11-17-2011 |
| 20110282345 | Welding Systems Useful for Closure of Cardiac Openings - A welding element is provided for applying heat, chemicals, pressure, or any combination thereof to tissues inside a patient's body, e.g., a patent foramen ovale. In one aspect, the welding element is connected to a radio frequency energy source and includes an electrode and a locator. The locator facilitates positioning of the welding element and is capable of moving from an open position to a clamping position. In another aspect, a needle is provided for transseptal puncturing before the application of heat. In yet another aspect, the welding element is configured as a coil. The welding element can be made of Nitinol. | 11-17-2011 |
| 20110295251 | Surgical Device for Performing an Electrosurgical Procedure - An electrosurgical forceps includes a handle and a shaft extending from the handle. The handle is selectively movable to actuate a pair of first and second opposable jaw members pivotably connected to each other at a distal end of the shaft. The jaw members are moveable from an open position to a closed position and are each adapted to connect to an electrosurgical energy source. A first linkage is disposed at least partially within the shaft and is operably coupled between the first jaw member and a second linkage disposed proximal to the first linkage. Selective movement of the handle rotates the second linkage in a first direction, thereby rotating the first linkage in an opposite second direction to move the jaw members between the open and closed positions. In some embodiments, the jaw members are configured in a releasably locked configuration when in the closed position. | 12-01-2011 |
| 20120035608 | Electromagnetic treatment of tissues and cells - Provided herein are methods, devices and compositions to conductively or to inductively fix substrates, including tissues, using electromagnetic energy. Also provided is a method of controlling the fixing process via feedback monitoring of a property of the composition and/or of the electromagnetic energy used. | 02-09-2012 |
| 20120065637 | METHODS AND APPARATUS FOR HEMOSTASIS FOLLOWING ARTERIAL CATHETERIZATION - A method for producing hemostasis of an artery of a patient having a puncture following arterial catheterization including introducing a hemostasis device including at least one electrode into the vicinity of the puncture, supplying an electric current to the at least one electrode, thereby heating blood in the vicinity of the puncture and causing coagulation of the blood and subsequently removing the hemostasis device from the patient. | 03-15-2012 |
| 20120101500 | ANASTOMOSIS RING AND ANASTOMOSIS RING ARRANGEMENT - The invention relates to an anastomosis ring and to an anastomosis ring assembly for connecting hollow organs made from human or animal tissue. The anastomosis ring includes a first support ring and a second support ring, which can be coupled with the first support ring for fixating the tissue, so that the support rings are essentially disposed fixated relative to one another. The anastomosis ring is at least partially made form a biofragmentable material which disintegrates after a predetermined time period in a human or animal body. In order to facilitate better tissue connection the anastomosis ring includes at least one energy delivery element connectable with an energy source. The energy delivery element is configured to fuse the tissue at least partially through delivering energy during operations. | 04-26-2012 |
| 20120116398 | ARTICULATED SURGICAL PROBE AND METHOD FOR USE - A surgical probe includes an articulated digit located at a distal end of a positioning shaft having a longitudinal axis. An actuator is located at a proximal end of the positioning shaft that is operatively connected to the articulated digit so as to move it between a continuous range of positions from an extended position to a substantially curved position while maintaining a kinesthetic relationship between a surgeon's finger engaging the actuator and the articulated digit. Preferably, the surgeons finger position and shape directly correspond to the position and shape of the articulated digit. A method is provided for probing, dissecting, and retracting anatomical structures. | 05-10-2012 |
| 20120143187 | DEVICES AND METHODS FOR TISSUE APPOSITION - Devices and methods are described for sealing tissue such as melding the two flaps of the foramen ovale together without the need for a permanent implant or closing openings in vessels. | 06-07-2012 |
| 20120143188 | ESOPHAGEAL MUCOSECTOMY SYSTEMS, DEVICES AND METHODS - Systems, devices, apparatus and methods that may be used for en bloc circumferential esophageal mucosal resection or ablation that can extend over only a selected portion or all of the length of the esophagus. | 06-07-2012 |
| 20120172874 | MULTIFUNCTIONAL ELEMENT AND METHOD TO PREVENT THE CARBONISATION OF TISSUE BY MEANS OF A MULTIFUNCTIONAL ELEMENT - A multi-functional element suitable for performing at least two surgical/therapeutic interventions, for example, the injection and cutting of tissue, with an anti-carbonization device to prevent the carbonization of tissue upon plasma coagulation by way of a suitable surgical instrument, where the surgical instrument has a feed line for an oxidizing agent, a feed line for a gas and an electrode for generating a plasma. A gas oxidizing agent mixture for producing a gas oxidizing agent plasma is provided by the anti-carbonization device. | 07-05-2012 |
| 20120283730 | METHOD AND DEVICE FOR TISSUE FUSION OR COAGULATION BY TISSUE RESISTANCE-DEPENDENT VOLTAGE-CONTROLLED ELECTRICAL ACTION - In the method suitable for tissue fusion or coagulation after the commencement of treatment of the tissue, i.e., after completion of a first phase, a second phase is commenced, during which the biological tissue is treated with moderate energy for a certain specified process time. The specification of a functional relationship between the tissue resistance and the output voltage of a supplying source enables the process in phase II to not fall below a minimum treatment time, avoiding premature drying-out of the tissue. A sufficient and reliable bonding of the participating proteins in a moist milieu is reached. | 11-08-2012 |
| 20120283731 | System and Method for Tissue Sealing - An electrosurgical generator is disclosed. The generator includes an RF output stage configured to supply electrosurgical energy to tissue via at least one active electrode configured to apply electrosurgical energy to tissue; sensing circuitry configured to measure impedance of tissue; and a controller. The controller is configured to determine occurrence of a tissue reaction as a function of a minimum impedance value and a predetermined rise in impedance, wherein tissue reaction corresponds to a boiling point of tissue fluid; generate a target impedance trajectory as a function of measured impedance and desired rate of change based on the tissue reaction determination, wherein the target impedance trajectory includes a plurality of target impedance values; and drive tissue impedance along the target impedance trajectory by adjusting the output of the electrosurgical generator to substantially match tissue impedance to a corresponding target impedance for at least a predetermined minimum time period. | 11-08-2012 |
| 20120283732 | PLASMA HEAD FOR TISSUE WELDING - A compact medical device for tissue welding is provided. The hand-held plasma heads are configured for deep cuts and long cuts. A bio-compatible liquid capable of solidifying in response to application of plasma, such as an albumin solution, is applied to the wound. Plasma created from a gas such as helium is then applied to said bio-compatible liquid to solidify it and seal the wound. An additional polymerizing gas may also be applied. A feedback mechanism may maintain the temperature of said plasma. A wiper fort removal of excess liquid may also be provided. | 11-08-2012 |
| 20120303024 | THERMAL PENETRATION AND ARC LENGTH CONTROLLABLE ELECTROSURGICAL PENCIL - An electrosurgical pencil is provided, which includes an elongated housing, an electrocautery electrode supported within the housing and extending distally from the housing. The electrocautery electrode is connected to a source of electrosurgical energy. The pencil also includes at least one voltage divider network supported on the housing and electrically connected to the source of electrosurgical energy for controlling intensity, frequency, and/or mode of electrosurgical energy being delivered to the electrocautery electrode. | 11-29-2012 |
| 20130053845 | ENDOSCOPIC NASAL PALATOPLASTY - The endoscopic nasal palatoplasty procedure provides a reduction in the posterior aspect of the soft palate and/or uvula, thereby increasing the area of the nasopharyngeal passage between the soft palate and/or uvula and the back of the nasopharynx. This increased nasopharyngeal area promotes nasal breathing, thereby reducing reliance upon oral breathing and corresponding sleep-disordered breathing syndrome and associated problems such as sleep apnea and snoring. The procedure is performed using a conventional surgical implement, such as a Coblator® or other electro cauterizing or laser cauterizing implement, to ablate and cauterize a series of lesions in the soft palate and/or uvula. The procedure is performed by inserting the surgical implement through one of the nasal passages to access the superior surface of the soft palate and/or uvula. | 02-28-2013 |
| 20130103033 | Suction Coagulator - An electrosurgical suction coagulator is disclosed having improved thermal insulation between the active electrode and adjacent tissue. In embodiments, passive insulation is used to control the transfer of thermal energy from an electrosurgical electrode into surrounding tissue. Braided, closed-sell foam material, and open cell foam materials may be used to thermally insulate the outer surface of a suction coagulator shaft from an inner electrode. In embodiments, a suction coagulator shaft includes an external covering formed from open-cell foam material, which may be saturated with a coolant, such as water or saline, to increase the thermal mass of the shaft. In other embodiments, active cooling delivers coolant to the operative site. In yet other embodiments, a suction coagulator shaft includes a cooling jacket through which coolant is passed to actively cool the instrument. The improved electrosurgical suction coagulator disclosed herein may have a reduced operating surface temperatures which may result in reduced risk of undesirable effects to adjacent tissue, and may result in reduced operative times and improved patient outcomes. | 04-25-2013 |
| 20130103034 | Welding Systems Useful for Closure of Cardiac Openings - A welding element is provided for applying heat, chemicals, pressure, or any combination thereof to tissues inside a patient's body, e.g., a patent foramen ovale. In one aspect, the welding element is connected to a radio frequency energy source and includes an electrode and a locator. The locator facilitates positioning of the welding element and is capable of moving from an open position to a clamping position. In another aspect, a needle is provided for transseptal puncturing before the application of heat. In yet another aspect, the welding element is configured as a coil. The welding element can be made of Nitinol. | 04-25-2013 |
| 20130131673 | VACUUM COAGULATION 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. | 05-23-2013 |
| 20130172886 | VASCULAR SEALING DEVICE AND METHOD USING CLOT ENHANCING BALLOON AND ELECTRIC FIELD GENERATION - An apparatus and method for closing an opening in a blood vessel wall is disclosed. The apparatus includes at least one member which is extended through a tissue tract formed through the epidermis and subcutaneous layer of skin and through the opening in the blood vessel. The member includes a proximal end and a distal end with the distal end being positionable proximate to the opening in the blood vessel wall. A positive electrode is positioned next to the distal end with a negative electrode being positioned next to the proximal end When the electrodes are energized an electric field is created therebetween, blood cells are attracted to the positive electrode, and a thrombus is formed at the opening in the blood vessel wall. The member may include a balloon at the distal end to temporarily occlude blood flow from the blood vessel to the tissue tract to facilitate formation of the thrombus. In addition, the shape of the balloon may be tailored to facilitate the formation of the thrombus including, but not limited to, the creation of pockets and self-supporting balloons | 07-04-2013 |
| 20130226177 | Vessel Sealing Instrument with Reduced Thermal Spread and Method of Manufacture Therefor - An electrosurgical vessel sealing instrument having a first and a second opposing jaw member at a distal end thereof, wherein each jaw member includes a jaw housing, a seal plate having a tissue contacting surface and a side wall, and an insulating region disposed on the side wall of the seal plate. The instrument includes the ability to move the jaw members relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue. The insulating region enables precision overmolding of the jaw housing to the seal plate, while advantageously reducing thermal spread and edge cutting during vessel sealing procedures. | 08-29-2013 |
| 20130226178 | Vessel Sealing Instrument with Reduced Thermal Spread and Method of Manufacture Therefor - An electrosurgical vessel sealing instrument having a first and a second opposing jaw member at a distal end thereof, wherein each jaw member includes a jaw housing, an inner tissue engaging surface, and an insulating layer disposed therebetween. The instrument includes the ability to move the jaw members relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue. The jaws include a tissue-contacting seal plate having obverse and reverse surfaces. A series of ribs extend from the reverse surface of the seal plate into an insulating layer, which, in turn, is affixed to a jaw housing. The ribbed structure of the seal plate reduces thermal spread and edge cutting during vessel sealing procedures, leading to improved surgical outcomes. | 08-29-2013 |
| 20130274742 | APPARATUS FOR COAGULATING TISSUE - An apparatus for coagulating tissue, including a gas-delivering device for delivering a plasma comprised of an ionized inert gas from the outlet of the gas-delivering device, an electrode adapted to supply a high-frequency current that projects out of the gas-delivering device and a guiding device disposed at a distal end of the electrode. The relative configuration of the outlet of the gas-delivering device and the guiding device are such that the plasma (and an electric arc) can be directed in any direction 360° with respect to the outlet of the gas-delivering device. The plasma is directed along a path of least electric resistance, thus causing the plasma to be directed to a tissue to be treated, regardless of a position of the tissue relative to a rotational position of the outlet of the gas-delivering device. | 10-17-2013 |
| 20130310834 | DEVICES AND METHODS FOR CUTTING TISSUE - Various medical devices and methods for cutting, evacuating and/or performing work on tissue are provided. The devices and methods may utilize a reciprocating mechanism or motor powered by suction from a vacuum source. The medical devices and methods may be used on tissue in various regions of a patient's body and for treating various conditions, e.g., for performing a polypectomy. | 11-21-2013 |
| 20130317500 | ENDOSCOPIC DEVICES AND RELATED METHODS OF USE - Embodiments of the invention include a medical device including a handle portion, an end effector assembly, an elongate member connecting the handle portion and the end effector assembly, and one or more treatment devices extendable through the elongate member and end effector assembly. The end effector assembly includes an electrode assembly configured to cauterize tissue. The treatment devices may include an elongate cutting member with a safety tip. The treatment devices may include a multi-lumen catheter with a lumen configured to deliver fluid and another lumen configured to accommodate an injection needle, a cutting member, or other therapeutic or diagnostic devices. | 11-28-2013 |
| 20130325005 | COMPRESSION SPRING AUTOMATED RETRACTABLE PROTECTIVE ELECTROCAUTERY PEN TIP COVER - A cautery pen cover can cover a cautery pen, with little modification thereto, such that the cover must be retracted to both expose the tip and the trigger of the cautery pen. The cover is designed as a protective sleeve that prevents actuation of the cautery pen trigger until the cover is retracted. The cover automatically returns to the covered position when it is released. The cover is always on the cautery pen, whether in use or just lying on the operating field, thereby not requiring users to place and secure the cautery pen in a plastic holster. The cautery pen use various energy sources, such as electro or radio frequency, or any other source that results in cautery or cutting of tissue. | 12-05-2013 |
| 20130345705 | ENDOMETRIAL ABLATION METHOD - Systems and methods for endometrial ablation. The systems include a handle and elongated introducer sleeve extending to an expandable working end having a fluid-tight interior chamber. A thin dielectric wall surrounds at least a portion of the interior chamber and has an external surface for contacting endometrial tissue. The thin dielectric wall surrounds a collapsible-expandable frame and receives an electrically non-conductive gas. First and second polarity electrodes are exposed to the interior and exterior of the chamber, respectively. A radiofrequency power source operatively connects to the electrode arrangement to apply a radiofrequency voltage across the first and second electrodes, wherein the voltage is sufficient to initiate ionization of the neutral gas into a conductive plasma within the interior chamber, and to capacitively couple the current in the plasma across the thin dielectric wall to ablate endometrial tissue engaged by the external surface of the dielectric structure. | 12-26-2013 |
| 20140031820 | METHOD AND DEVICES FOR PERFORMING BIATRIAL COAGULATION - Methods and devices described herein facilitate improved treatment of body organs. | 01-30-2014 |
| 20140074089 | CATHETER - A catheter includes: a shaft at least a part of which is to be inserted into a blood vessel; an inlet; an outlet formed in the shaft; a lumen which extends inside the shaft, and through which the inlet and outlet communicate with each other; a balloon disposed on an outer circumference of the shaft, and expandable and contractable; an electrode disposed on a surface of the balloon; a signal acquirer electrically connected to the electrode; a first hole formed in the shaft in a zone between the balloon and the inlet; and a second hole formed in the shaft in a zone between the balloon and the outlet. A blood flowing through the blood vessel is made possible to flow in one of the first and second holes, and flow out from the other hole. | 03-13-2014 |
| 20140074090 | TISSUE WELDING USING PLASMA - A medical device ( | 03-13-2014 |
| 20140081266 | DEVICES AND METHODS FOR CUTTING TISSUE - Various medical devices and methods for cutting, evacuating and/or performing work on tissue are provided. The devices and methods may utilize a reciprocating mechanism or motor powered by suction from a vacuum source. The medical devices and methods may be used on tissue in various regions of a patient's body and for treating various conditions, e.g., for performing a polypectomy. | 03-20-2014 |
| 20140094799 | SELECTIVELY DEFORMABLE ABLATION DEVICE - In accordance with at least one aspect of this disclosure, an ablation apparatus includes a proximal body portion, a shaft extending distally from the proximal body portion, the shaft being selectively deformable utilizing at least one deformation system between a first position wherein the shaft is straight an a second position wherein the shaft is bent, the at least one deformation system configured to retain the shaft in each of the first and second positions, and at least one electrode disposed at least partially within the shaft, the electrode movable with the shaft upon movement of the shaft between the first and second positions. | 04-03-2014 |
| 20140094800 | HERNIA REPAIR SYSTEM - A hernia repair system includes a surgical mesh, one or more electrosurgical instruments, and one or more return electrodes. The one or more electrosurgical instruments are configured to position the surgical mesh adjacent tissue in an underlying tissue site. The one or more return electrodes are positionable adjacent the tissue and externally relative to the underlying tissue site. The one or more electrosurgical instruments and the one or more return electrodes are configured to selectively apply an effective amount of pressure and electrosurgical energy to the surgical mesh such that upon the application of electrosurgical energy and pressure, the surgical mesh seals to one side of the tissue at the underlying tissue site. | 04-03-2014 |
| 20140100571 | ELECTROSURGICAL DEVICES, SYSTEMS AND METHODS OF USING THE SAME - According to an aspect of the present disclosure, a desiccation device for operation on a target tissue is provided. The device includes a handle; a shaft extending distally from the handle, wherein the shaft defines a lumen therethrough; and a head having a loop configuration supported on a distal end of the shaft, the head being hollow and defining a lumen therethrough, said lumen being in fluid communication with the lumen of the shaft. At least a portion of the cutting head is electrically connected to a source of electrosurgical energy. A fluid is circulatable through the lumen of the shaft and the head. | 04-10-2014 |
| 20140128866 | CLAMP BASED METHODS AND APPARATUS FOR FORMING LESIONS IN TISSUE AND CONFIRMING WHETHER A THERAPEUTIC LESION HAS BEEN FORMED - Surgical systems, devices and methods including one or more tissue stimulation elements that, in some instances, may also be used for sensing purposes. Some of the surgical devices also include a tissue coagulation element. | 05-08-2014 |
| 20140180285 | Surgical Fasteners Including Nanomaterial Coating for Applying Pulsed Current - The present disclosure relates to a surgical fastener including a backspan with a first and second legs depending from each opposed end of the backspan and at least one pulse generating layer coupled to a portion of the fastener. The pulse generating layer may be coupled to a portion of the first and second legs, a portion of the backspan of the fastener, or the entire surgical fastener. The fastener may include a titanium and/or silver material. The fastener may include a first and second pulse generating layers with a dielectric portion separating the first and second pulse generating layers. The pulse generating layer may be a nanomaterial capable of embedding battery and capacitor technology to deliver a low amperage pulsed current. | 06-26-2014 |
| 20140180286 | Pediatric Combination Surgical Device - A combination surgical device is provided and includes a dissection blade moveably mounted in a first jaw of the surgical device. The surgical device includes a second jaw movably mounted relative to the first jaw and a handle assembly. The handle assembly includes an advancement mechanism for incrementally advancing the blade out of the first jaw and a lever to open and close the first and second jaws. A lock member is provided to maintain the blade in an extended condition and a release lever is provided to disable the lock member. The surgical device additionally includes a safety or lock out mechanism which prevents the jaws from moving while the blade is in the extended condition. | 06-26-2014 |
| 20140188110 | APPARATUS, SYSTEMS AND METHODS FOR TISSUE DISSECTION AND MODIFICATION - Apparatus, systems, and methods for tissue dissection and modification are disclosed herein. A method for tissue dissection and modification may comprise inserting a tissue dissecting and modifying wand (TDM) through an incision in a patient's body. The TDM may comprise a tip having a plurality of protrusions with lysing segments positioned between the protrusions to dissect and/or modify tissue. The TDM may also comprise an energy window positioned on top of the TDM that is configured to deliver energy to modify tissues. After separating tissue using the lysing segment(s) to define a target region, the energy window may be activated and moved around within the target region to modify tissues. In some implementations, the energy window may be activated prior to and/or during dissection of the tissue such that the tissue is separated while tissue is modified within the target region. | 07-03-2014 |
| 20140188111 | METHODS, APPARATUS, AND SYSTEMS FOR TISSUE DISSECTION AND MODIFICATION - Methods, apparatus and systems for tissue dissection and modification are disclosed herein. A method for tissue dissection and modification may comprise inserting a tissue dissecting and modifying wand (TDM) through an incision in a patient's body. The TDM may comprise a tip having a plurality of protrusions with lysing segments positioned between the protrusions to dissect and/or modify tissue. The TDM may also comprise an energy window positioned on top of the TDM that is configured to deliver energy to modify tissues. After separating tissue using the lysing segment(s) to define a target region, the energy window may be activated and moved around within the target region to modify tissues. In some implementations, the energy window may be activated prior to and/or during dissection of the tissue such that the tissue is separated while tissue is modified within the target region. | 07-03-2014 |
| 20140188112 | METHODS AND DEVICES FOR REMOVING OMENTAL TISSUE - The invention relates to a method of treating obesity, insulin resistance and co-morbidities of these conditions by removing tissue from the abdomen. More specifically, it relates to a method of removing abdominal fat and omentum to which the fat is attached, in order to improve health. The invention includes a device for safely removing this tissue material | 07-03-2014 |
| 20140243823 | Methods of Treating the Sacroiliac Region of a Patient's Body - A method, system and apparatus are disclosed for performing an electrosurgical treatment procedure on a bodily tissue. An electrosurgical apparatus is described, the apparatus comprising one or more probes having insulated and conductive regions for creating lesions in bodily tissue. A method of delivering energy to a patient's body is described, including methods of treating sacro-iliac related pain using electrosurgical probes. | 08-28-2014 |
| 20140257284 | SURGICAL INSTRUMENT WITH SYSTEM AND METHOD FOR SPRINGING OPEN JAW MEMBERS - A surgical instrument includes a housing and an elongated shaft operably coupled to an actuating mechanism moveable between an actuated position and an unactuated position. An end effector includes a pair of opposing first and second jaw members. One or more drive surfaces are disposed on the actuating mechanism and configured to compress a spring upon movement of the actuating mechanism to the actuated position. The spring imparts a spring force in a distal direction to bias the actuating mechanism to the unactuated position. An electrically conductive tissue sealing surface extends along a length of one or both of the jaw members and is adapted to connect to a source of electrosurgical energy. | 09-11-2014 |
| 20140276813 | SUCTION ELECTROCAUTERY DEVICE HAVING CONTROLLED IRRIGATION AND ROTATING AUGER - The present invention is an improved electrocautery device having simplified irrigation controller, a controlled irrigation system and powered rotating auger. Both the rotating auger and the irrigation flow can be turned on and off by operating a controller on the hand-held portion of the device. The auger is part of a flexible rotating drive shaft within malleable suction coagulator conduction tubing. The controller on the handle operates the motor that powers the rotating drive shaft. The motor can also power an irrigation gate to control the flow of fluids through the device's irrigation channel. As an alternative, the irrigation flow can be controlled by mechanical depression of the controller on the handle. The motor can receive power from an AC or DC power source and can be located externally or within the housing of the suction coagulator. | 09-18-2014 |
| 20140276814 | TISSUE RESECTION DEVICE AND RELATED METHODS OF USE - A medical device may include tubular member having a proximal end, a distal end, and a lumen extending therebetween. The tubular member may include an opening at a distal portion of the tubular member, wherein the opening is in communication with the lumen, wherein a distal end of the opening is disposed proximate of the distal end of the tubular member, and wherein the distal portion of the tubular member is configured to bend in at least one plane. The medical device may further include an actuation member extending at least partially within the tubular member, wherein a distal portion of the actuation member is configured to exit the tubular member at a location proximate the opening, wherein a distal end of the actuation member is coupled to the distal end of the tubular member, and wherein pulling the actuation member proximally is configured to cause the distal portion of tubular member to form a loop with itself. | 09-18-2014 |
| 20140288556 | CARDIAC ABLATION SYSTEMS AND METHODS - Cardiac ablation systems and methods of their use and manufacture involve an ablation mechanism, a stabilizer mechanism, and a cinching mechanism that urges the ablation mechanism toward a patient tissue. Embodiments encompass methods for administering epicardial and endocardial lesions, including box lesions and connecting lesions, to patient tissue. | 09-25-2014 |
| 20140296851 | APPARATUS FOR COAGULATING TISSUE - An apparatus for coagulating tissue, including a gas-delivering device for delivering a plasma comprised of an ionized inert gas from the outlet of the gas-delivering device, an electrode adapted to supply a high-frequency current that projects out of the gas-delivering device and a guiding device disposed at a distal end of the electrode. The relative configuration of the outlet of the gas-delivering device and the guiding device are such that the plasma (and an electric arc) can be directed in any direction 360° with respect to the outlet of the gas-delivering device. The plasma is directed along a path of least electric resistance, thus causing the plasma to be directed to a tissue to be treated, regardless of a position of the tissue relative to a rotational position of the outlet of the gas-delivering device. | 10-02-2014 |
| 20140296852 | METHOD AND APPARATUS FOR FRACTIONAL SKIN TREATMENT - An apparatus for cosmetic RF skin treatment where the RF energy supply is isolated from the patient treated, such that in course of treatment no undesired current flows through the subject body. | 10-02-2014 |
| 20140309634 | ANASTOMOSIS DEVICE WITH COLLAPSIBLE DISTAL HEAD ELEMENT - A surgical instrument for bonding body tissue includes a shank and first and second tool elements which are movable relative to each other and include a respective electrode. The electrodes define a minimum distance from each other, are opposed to each other and face each other in an approximating position of the tool elements. The first tool element is arranged or formed at the distal end of the shank, so that a mechanical load of anastomoses of body tissue parts produced by current flow is minimized when removing the surgical instrument. The second tool element is adapted to be brought from an operating position, in which it can be brought into the approximating position, into a removing position, in which a peripheral withdrawing line defined by the electrode of the second tool element is shorter than a peripheral approximating line defined by the electrode in the approximating position. | 10-16-2014 |
| 20140324044 | MINIMALLY INVASIVE METHODS FOR SPINAL FACET THERAPY TO ALLEVIATE PAIN AND ASSOCIATED SURGICAL TOOLS, KITS AND INSTRUCTIONAL MEDIA - Methods and surgical tools for treating back pain use a spinal facet debridement tool with cautery and denuding action and minimally invasive protocol that can denude and cauterize soft tissue associated with a synovial capsule of the spinal facet joint. | 10-30-2014 |
| 20140350555 | SUCTION COAGULATOR - An electrosurgical suction coagulator includes a housing having proximal and distal ends and an elongated tube-like shaft extending longitudinally from the distal end of the housing. The elongated tube-like shaft includes a tube-like dielectric sheath, a tube-like conductor, and an external insulator. The tube-like conductor is disposed coaxially through the tube-like dielectric sheath. The distal end of the tube-like conductor protrudes at least partially from the distal end of the tube-like dielectric sheath. The external insulator is disposed coaxially around the tube-like dielectric sheath. The external insulator extends from about the proximal end of the dielectric sheath to about the distal end of the dielectric sheath. | 11-27-2014 |
| 20140358143 | ADJUSTABLE CATHETER FOR OSTIAL, SEPTAL, AND ROOF ABLATION IN ATRIAL FIBRILLATION PATIENTS - A device and method for treating a variety of tissue locations within a patient's body using a single device that includes an elongate body having a distal portion, a shaft rotatably and slidably disposed within the elongate body, and a first arm and a second arm each coupled to the elongate body distal portion. Retraction and rotation of the shaft transitions the each arm from a linear configuration to a radially expanded configuration in which each arm has an arcuate shape and lies in a plane that is substantially orthogonal to the elongate body longitudinal axis. Electrodes coupled to the arms are equidistant from the longitudinal axis of the elongate body in different radial directions when the device is in the radially expanded configuration. The electrodes are radially symmetrical about the shaft when the radially expanded configuration has a first diameter or a second diameter. | 12-04-2014 |
| 20150011996 | CUT AND SEAL INSTRUMENT - A surgical system including a cartridge having a first tissue sealing electrode and a surgical instrument including a first jaw and a second jaw, wherein the first jaw comprises a second tissue sealing electrode facing the second jaw, and wherein the second jaw is configured to removably receive the cartridge in a position where the first tissue sealing electrode is opposite the second tissue sealing electrode. The surgical system further includes a cut and seal controller, wherein the cut and seal controller automatically generates a command to the surgical instrument to reduce a. clamping force between the first and the second jaws after sensing that tissue sealing is complete. | 01-08-2015 |
| 20150038965 | METHOD AND APPARATUS FOR FRACTIONAL NON-INVASIVE SKIN TIGHTENING - Apparatus is disclosed for providing a RF fractional treatment to the skin tissue by providing parallel elongated electrodes on which conductive areas and non-conductive areas are provided. The providing of conductive and non-conductive areas assists in sparing enough essential healthy tissue components like blood capillaries to support intense wound healing responses. | 02-05-2015 |
| 20150088132 | APPARATUS AND METHOD FOR ELECTROSURGICAL SUCTION WITH SUCTION BAND AND REPLACEABLE TIPS - The invention pertains to techniques or processes for managing surgical smoke. In one embodiment a suction apparatus evacuates the surgical smoke. For example, the suction apparatus may be arranged adjacent to an electrocautery electrode, which may generate smoke during operation, for evacuating smoke from a surgical site. | 03-26-2015 |
| 20150088133 | APPARATUS AND METHOD FOR ELECTROSURGICAL SUCTION WITH SEPARATE FLOW CHANNELS - The invention pertains to techniques or processes for managing surgical smoke. In one embodiment a suction apparatus evacuates the surgical smoke. For example, the suction apparatus may be arranged adjacent to an electrocautery electrode, which may generate smoke during operation, for evacuating smoke from a surgical site. | 03-26-2015 |
| 20150088134 | APPARATUS AND METHOD FOR ELECTROSURGICAL SUCTION WITH FINGER ACTUATED SUCTION CONTROL - The invention pertains to techniques or processes for managing surgical smoke. In one embodiment a suction apparatus evacuates the surgical smoke. For example, the suction apparatus may be arranged adjacent to an electrocautery electrode, which may generate smoke during operation, for evacuating smoke from a surgical site. | 03-26-2015 |
| 20150094718 | APPARATUS AND METHOD FOR ELECTROSURGICAL SUCTION WITH DUAL FUNCTION CONTROL - The invention pertains to techniques or processes for managing surgical smoke. In one embodiment a suction apparatus evacuates the surgical smoke. For example, the suction apparatus may be arranged adjacent to an electrocautery electrode, which may generate smoke during operation, for evacuating smoke from a surgical site. | 04-02-2015 |
| 20150112335 | ELECTROSURGICAL DEVICES WITH FLUID FLOW CONTROL - The disclosure provides various electrosurgical devices comprising a handle assembly comprising a valve having an input port and an output port. The input port is fluidically coupled to either an irrigation source or a suction source. At least one button is operatively coupled to the valve to control flow through the valve. At least one switch is provided to electrically couple energy from an energy source. A trigger and a shaft comprising a slidable element is operatively coupled to the trigger. An electrode is electrically coupled to the switch. The trigger is operable to position the slidable element relative to the electrode to conceal or expose the electrode. The handle assembly may comprise an articulating joint. The handle assembly may comprise a trigger lockout mechanism. | 04-23-2015 |
| 20150133925 | one-piece stent implanter - A one-piece stent implanter comprises a front handle and a rear handle; the front end of the front handle is provided with an outer pipe whose top is flexibly connected with a cautery tip, the outer pipe is internally provided with a middle pipe and a stent; the rear handle includes a stainless steel pipe for supporting and an inner pipe positioned in the stainless steel pipe; one end of the stent is close to the cautery tip, with a certain gap kept; when the front handle is retreated along the stainless steel pipe, the outer pipe simultaneously retreats and separates from the cautery tip, positions of the middle pipe and the rear handle remain unchanged, and the stent is automatically released. | 05-14-2015 |
| 20150133926 | EXCISING ENDOCAP - An endoscopic endocap for excising a target portion of a native tissue from a remaining portion of the native tissue during a surgical procedure includes an annular main body. The main body has a proximal end and an oppositely disposed distal end. The distal end includes an extension that protrudes longitudinally beyond a remaining portion of the distal end. An outer surface of the distal end, and an inner surface of the main body, extend longitudinally between the proximal and distal ends. The inner surface defines at least one lumen with an opening terminating at the terminal portion of the distal end. At least one excisor is disposed on the extension with the excisor is laterally spaced from the outer surface of the annular main body. The excisor remains stationary with respect to the lumen during use of the excisor to excise the target portion of the native tissue. | 05-14-2015 |
| 20150141990 | ELECTROSURGICAL COAGULATION INSTRUMENT INCLUDING A SUCTION PIPE AND A COLLAPSIBLE TIP - An electrosurgical coagulation instrument includes a body, a suction pipe, and an electrode. The body has a central passage that defines a longitudinal axis. The suction pipe has a distal end and defines a lumen. The suction pipe is disposed within the central passage. The electrode has a distal tip that is configured to deliver energy to tissue. The electrode is disposed within the lumen of the suction pipe. The suction pipe and/or the electrode is slidable along the longitudinal axis with respect to the body and the other of the electrode and the suction pipe. | 05-21-2015 |
| 20150148800 | MINIMALLY INVASIVE SURGICAL NEEDLE AND CAUTERIZING ASSEMBLY AND METHODS - A minimally invasive surgical assembly broadly includes an outer hollow needle which has an outer diameter, a longitudinal axis, and a sharp distal end. An insulating member extends through the hollow needle and is movable relative to the hollow needle. An elongated member extends through the insulating member and is movable relative to both the insulating member and the hollow needle. A resilient wire projects from the elongated member and is retractable within and extendable outside of the insulating member and the hollow needle. The insulating member, elongated member, and resilient wire are movable relative to the needle using first and second moving means whereby the surgical assembly assumes various configurations having different operational functions. | 05-28-2015 |
| 20150297237 | ANASTOMOSIS INSTRUMENT WITH PIVOTABLE ANVIL - An anastomosis instrument includes a headpiece shaft which can be inserted in an instrument shaft so as to be axially shiftable therein, a plate-like and/or anvil-like headpiece being axially shiftable on the distal end portion of the headpiece shaft and being supported via a cross pin between a processing position and a withdrawal position, the headpiece on the headpiece shaft being displaced or shifted from a first, proximally retracted latching position in which the headpiece shaft is coupled to the headpiece in a form-fitting manner to fix the headpiece in the processing position so that it is unable to pivot, to a second, distally advanced latching position in which the form fit is released in order to allow the headpiece to swivel to the withdrawal position. | 10-22-2015 |
| 20150359581 | Surgical device with light - An electrocautery unit for connecting to a handle of an electrocautery device, the unit comprises a body, a light unit and an electrode. The body has a body proximal end and a body distal end, and a body axis extending lengthwise along the center of the body. The body's proximal end comprises a connecting element for connecting said body to a handle having a handle axis extending lengthwise along the center of the handle, so that said body axis is coaxial with said handle axis when said body is connected to said handle. The light unit may be constructed and arranged to emit a light having a central axis coaxial with said body axis. The electrode comprises a proximate end connected to the body distal end, and an electrode tip at a distal said. When the electrode is connected to the body, the electrode lays outside of the body axis and extends into said body axis such that the electrode tip is within said body axis, wherein said light and said electrode tip are coaxial to said body axis and said handle axis. | 12-17-2015 |
| 20150359585 | APPARATUS, SYSTEMS, AND METHODS FOR DISSECTION AND MODIFICATION OF TISSUES - Apparatus for tissue separation and/or modification. In some embodiments, the apparatus comprises a tip comprising a plurality of protrusions and at least one lysing element positioned between at least two adjacent protrusions. The apparatus may further comprise a spot coagulator comprising a spot coagulator tip for delivering energy for coagulating a blood vessel during a surgical procedure. The spot coagulator tip may be movable with respect to the plurality of protrusions to allow a surgeon to selectively deliver coagulating energy as desired. | 12-17-2015 |
| 20160008063 | HIGH-FREQUENCY TREATMENT TOOL FOR ENDOSCOPE | 01-14-2016 |
| 20160015410 | PERICARDIAL MODIFICATION SYSTEMS AND METHODS FOR HEART FAILURE TREATMENT - This document relates to devices and methods for the treatment of heart conditions. For example, this document relates to devices and methods for treating heart failure with preserved ejection fraction, including diastolic heart failure, by performing a pericardial modification procedure. | 01-21-2016 |
| 20160051310 | ELECTROCAUTERY INSTRUMENT FOR ENDOSCOPIC THERAPY - An electrocautery instrument for endoscopic therapy includes an operation handle and a rotatable positioning means. The operation handle includes a cylindrical member, a fastening element, and a fixing protruding element. The fastening element and the fixing protruding element are disposed on the cylindrical member which further has a first inner hole. The rotatable positioning means encloses the cylindrical member and includes a rotatable element, a second inner hole, a clasping member, and securing units. The clasping member is disposed on a side wall of the second inner hole and engages with the fastening element. The rotatable element is provided for rotating the rotatable positioning means, so that the fixing protruding element can be positioned on any corresponding securing unit. Therefore, an electrocautery rod can be connectedly moved with the operation handle, thereby reducing components of the electrocautery instrument, and thus the cost is reduced greatly. | 02-25-2016 |
| 20160081532 | ENDOSCOPIC INSTRUMENT HAVING A DEFLECTABLE DISTAL TOOL - Embodiments of the disclosure may include a medical device comprising a flexible elongate member including a longitudinal axis and a tool connected to the elongate member at a pivot axis, wherein the tool may be configured to conduct electricity and deliver a fluid, and wherein the tool may be configured to pivot towards either side of the longitudinal axis relative to the elongate member at the pivot axis. | 03-24-2016 |
| 20160120593 | THERMALLY TREATING TORN TISSUE - An apparatus for thermally treating torn tissue includes a cannula, a balloon, and one or more electrically conductive electrodes. The cannula includes a hollow interior that is configured to receive a fluid. At least a portion of the balloon is positioned within the hollow interior of the cannula, and fluid received through the hollow interior of the cannula inflates the balloon. The one or more electrically conductive electrodes are mounted to the balloon and are configured to deliver heat to tissue. | 05-05-2016 |
| 20160143662 | A MULTI-CANNULA SURGICAL INSTRUMENT - A multi-cannula surgical instrument ( | 05-26-2016 |
| 20160192979 | MEDICAL DEVICE | 07-07-2016 |
| 20160199120 | MANUFACTURING ELECTROSURGICAL INSTRUMENTS | 07-14-2016 |
