| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 606047000 | With formable electrode | 37 |
| 20100094285 | System and Method for Controlling Electrosurgical Snares - A system and method for controlling electrosurgical snares are disclosed. The system includes an electrosurgical instrument having an elongate tubular sheath having proximal and distal ends, the sheath having a longitudinal axis defined therethrough and a shaft having proximal and distal ends. The shaft extends through and is axially movable relative to the sheath. A snare loop is provided at the distal end of the shaft and is configured for encircling tissue. Movement of the shaft relative to the tubular sheath changes the diameter of the exposed snare loop. A feedback sensor operatively connected to the elongated tubular sheath which determines at least one condition of the snare loop, and an electrosurgical generator provides electrosurgical energy to the electrosurgical snare instrument. The generator is configured to receive feedback measurements from the electrosurgical snare instrument and to adjust electrosurgical energy as a function of the measurements. | 04-15-2010 |
| 20100191238 | BIPOLAR ELECTROSURGICAL INSTRUMENT AND METHOD OF USING IT - A bipolar electrosurgical instrument when connected to an electrosurgical generator is particularly suited for performing laparoscopic procedures such as LASH. The instrument has a hollow shaft sized to fit through a laparoscopic port and a proximal end and a distal end, a loop electrode constituted by an electrically conductive resilient looped wire provided with a first component for reciprocating the loop electrode between a retracted position inside the hollow shaft to a second position in which at least a part of the loop electrode is emerged from the distal end of the hollow shaft, and at least two return electrodes provided with a second component for reciprocating the at least two return electrodes between a retracted position inside the hollow shaft to a second position in which at least a part of the return electrodes are emerged from the distal end of the hollow shaft, a third component for measuring the impedance, resistance or capacity in an object between the at least two return electrodes, and a fourth component for applying power to the loop electrode when the value of the impedance, resistance or capacity is below a predetermined value and/or in a predetermined period of time. Use of the instrument reduces surgical time and is safer than known bipolar and monopolar electrosurgical instruments. | 07-29-2010 |
| 20120101499 | ABLATION INSTRUMENT - A medical instrument is provided for a ablating tissue. The medical instrument has an inner bipolar electrode and an outer bipolar electrode. The inner and outer electrodes are separated by an insulation layer. The inner and outer electrodes form a loop that may be rotated around a tumor to ablate the tumor tissue. | 04-26-2012 |
| 20120143186 | ELECTROSURGICAL DEVICES FOR TONSILLECTOMY AND ADENOIDECTOMY - Monopolar electrosurgery devices adapted for resecting tonsil and adenoid tissue. The devices minimize thermal injury by employing a plasma generated by pulsed electrical signals to precisely and effectively cut or coagulate the tissues. Suction may also be applied to the tissues to enhance the cutting, coagulation, and tissue manipulation functions. The devices include an interchangeable tip that may be switched for another tip, depending on which tip may be more suitable for tonsillectomy or adenoidectomy. | 06-07-2012 |
| 20120184957 | SURGICAL RETRIEVAL DEVICE RADIALLY DEPLOYABLE FROM A COLLAPSED POSITION TO A SNARE OR CAUTERIZATION LOOP - A surgical instrument featuring a combination cauterizing and surgical capture component. The instrument is deployable from a distal end of a lumen to a first position partially exposing a cauterizing loop and having restrained radially deployable members wherein a plurality of cauterizations may be performed with said cauterizing loop in an unobstructed view of a camera or lens. The instrument is deployable to a second position fully translated from the lumen whereafter the plurality of radially positionable members may be released by activation of a release member allowing the biased members to deploy radially around an axis running through the loop. | 07-19-2012 |
| 20130023875 | SURGICAL INSTRUMENTS FOR TENSIONING TISSUE - A surgical instrument can comprise an end effector including a plurality of jaws which can be configured to compress tissue therebetween. The end effector can further comprise one or more electrodes which can be configured to direct a flow of electrical current through the tissue in order to heat the tissue and denature collagen and/or other proteins within the tissue. As the tissue cools, the collagen and/or other proteins can renature and thereby seal the tissue. In certain embodiments, the end effector of the surgical instrument can further comprise movable portions which can apply a tension force to the tissue surrounding the tissue being sealed. In various circumstances, the tension force can reduce the over-denaturation, shrinkage, and/or other damage to the surrounding tissue caused by heat flowing from the end effector during the sealing process. | 01-24-2013 |
| 20130041373 | METHODS AND DEVICES FOR EXCISION OF TISSUE - Various apparatus and methods for excising tissue are described therein. In certain variations, a method of excising a target tissue mass from a subject, may include advancing an elongate instrument having an opening at its distal end into a subject. A cutting element, e.g., a snare or loop, may be advanced from the distal end of the elongate instrument, wherein the cutting element may be configured to cut tissue. The cutting element may be positioned near the target tissue mass. The cutting element may be actuated, e.g., expanded or deployed, and may perform energy based or mechanical cutting of a section of tissue encapsulating the target tissue mass. The cut section of tissue and the target tissue mass encapsulated therein may be removed from the subject. | 02-14-2013 |
| 20130190758 | MEDICAL DEVICES WITH MULTIPLE DEGREES OF FREEDOM AND RELATED METHODS OF USE - Embodiments of the disclosure are directed to a medical device. The medical device may include a shaft having a proximal end and a distal end. A positioning mechanism may be disposed adjacent the distal end of the shaft. The positioning mechanism may include an outer member and an inner member coupled to an end-effector. The outer member may be pivotably attached to the distal end of the shaft and the inner member may be pivotably attached to the outer member. | 07-25-2013 |
| 20130245624 | POLYP ENCAPSULATION SYSTEM AND METHOD - An endoscopic electrosurgical instrument is presented for encapsulating and resecting biologic tissue, such as a polyp, from an anatomical structure, such as a lumen. The instrument includes an encapsulation assembly which includes a snare coupled to an electrically non-conductive, shrinkable pouch in a drawstring-like configuration. The encapsulation assembly may be folded within the elongated cylindrical housing of the endoscopic instrument, positioned within the patient at the surgical site, and deployed for use. Once positioned over the polyp, the snare is tightened around the peduncle thereof, and the pouch is activated, thereby shrinking and encapsulating the polyp. The polyp may then be resected using conventional or electrosurgical techniques. The disclosed instrument may include surgical tools and/or electrosurgical electrodes for performing surgical procedures. The disclosed system may reduce the occurrence of undesirable arcing and may aid retrieval of resected tissue. | 09-19-2013 |
| 20130274741 | Endoscopic Vessel Sealer and Divider Having a Flexible Articulating Shaft - An electrosurgical instrument for treating tissue includes a housing having a shaft extending therefrom having an axis A-A defined therethrough. The shaft is at least partially flexible and includes first and second jaw members attached at a distal end thereof. Each jaw member includes an electrically conductive tissue contacting surface adapted to connect to a source of electrosurgical energy such that the electrically conductive tissue contacting surfaces are capable of conducting electrosurgical energy through tissue held therebetween. A drive assembly is disposed in the housing and has a first actuator operably coupled to a drive rod for reciprocation thereof to move the jaw members from a first position in spaced relation to one another to a second position closer to one another for engaging tissue. A second actuator is disposed on the housing and is actuatable to articulate the shaft. | 10-17-2013 |
| 20130282009 | ENDOSCOPIC VEIN HARVESTING SYSTEM - A vein harvesting medical device designed and constructed to harvest a vein in a less invasive surgical procedure. The vein harvesting device includes a handle assembly, a shaft assembly, and an end effector operated by the control features in the handle assembly to gather a targeted vein and remove side branches from the targeted vein for harvesting. | 10-24-2013 |
| 20130296855 | SPHINCTEROTOME HAVING EXPANDABLE TINES - A sphincterotome includes a plurality of tines that are longitudinally disposed at a distal end of the sphincterotome. One of the tines is configured as a cutting wire of the sphincterotome and is electrically coupled to an electrical source. The other tines are configured as stabilizing wires to stabilize the cutting wire in a cutting position. In addition, the other tines are electrically insulated from the cutting wire and the electrical source. The plurality of tines are movable between an expanded and a non-expanded configuration. Electrocautery is performed when the tines are in the expanded configuration. | 11-07-2013 |
| 20130338667 | RESECTION LOOP FOR TISSUE RESECTION AND RELATED METHOD OF USE - A medical device includes a sheath extending from a proximal end to a distal end and having a lumen extending therethrough and an end-effector disposed at the distal end of the sheath including a first resection loop configured to resect tissue and a secondary tool including one of a second resection loop and a tissue-vaporizing structure mounted distally to the first resection loop. | 12-19-2013 |
| 20140031819 | VESSEL SEALER AND DIVIDER - An endoscopic bipolar forceps includes an elongated shaft having opposing jaw members at a distal end thereof. The jaw members are movable 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 therebetween. The forceps also includes a source of electrical energy connected to each jaw member such that the jaw members are capable of conducting energy through tissue held therebetween to effect a seal. A generally tube-like cutter is included which is slidably engaged about the elongated shaft and which is selectively movable about the elongated shaft to engage and cut tissue on at least one side of the jaw members while the tissue is engaged between jaw members. | 01-30-2014 |
| 20140081265 | VESSEL SEALING INSTRUMENT WITH CUTTING MECHANISM - An end effector assembly for use with an instrument for sealing and cutting tissue includes a pair of opposing first and second jaw members movable relative to the to grasp tissue therebetween. Each jaw member including a jaw housing and an electrically conductive surface adapted to connect to a source of electrosurgical energy such that the electrically conductive surfaces are capable of conducting electrosurgical energy through tissue held therebetween to effect a tissue seal. One of the electrically conductive surfaces including a channel defined therein and extending along a length thereof that communicates with a nozzle disposed in the jaw housing. The nozzle is configured to direct high pressure fluid from a fluid source into the channel for cutting tissue grasped between the jaw members. | 03-20-2014 |
| 20140100570 | Tissue Cutting Cap - A tissue cutting cap and a method of delivering energy to a tissue are provided. The tissue cutting cap includes a body having a proximal portion, a distal portion, a distal end, and a lumen extending at least partially therethrough. The tissue cutting cap also includes a cutting portion operably connected to the body where the cutting portion has at least one position where the cutting portion is positioned proximal to the distal end of the body and the cutting portion has a first side, a second side, an end and an opening defined by the first side and the second side. The proximal portion of the body is sized and shaped to fit on a distal end of an endoscope and the distal portion of the body extends distal to the distal end of the endoscope. | 04-10-2014 |
| 20140121663 | Irreversible Electroporation (IRE) for Congestive Obstructive Pulmonary Disease (COPD) - A method for treating Chronic Obstructive Pulmonary Disease (COPD) or chronic bronchitis to alleviate the discomforts of breathing by using non-thermal electroporation energy to ablate diseased portions of the lung including the bronchus, airways and alveoli which, in effect, opens the restrictive diseased portions thereby maximizing the overall surface area thereof causing improved airflow and uninhibited breathing. | 05-01-2014 |
| 20140188109 | BIPOLAR SPHINCTEROTOME - A bipolar sphincterotome may include an elongate tubular member, a cutting wire, and a return path. The return path may include a conductive ink portion disposed on an outer surface at a distal portion of the tubular member. The return path may also include a return wire disposed within the tubular member that is electrically coupled to the conductive ink portion. In some example embodiments, the return wire may be disposed within a lumen configured to have two or more functions, one of which being to house the return wire. Additionally, in some example embodiments, the conductive ink portion may be circumferentially disposed on the outer surface to provide visual access to a wire guide lumen. Also, for some example embodiments, the bipolar sphincterotome may include two electrically isolated return paths. | 07-03-2014 |
| 20140276811 | STEERABLE ABLATION DEVICE WITH LINEAR IONICALLY CONDUCTIVE BALLOON - Devices, systems, and methods for performing ablation therapy on body tissue are disclosed. An example ablation device for treating body tissue includes an ionically conductive balloon and a radio-frequency electrode that delivers RF energy into a distal section of the balloon. The balloon can have a composite structure with a non-conductive section and a conductive section. The ablation device can have a steering mechanism configured to deflect the balloon. | 09-18-2014 |
| 20140358142 | ELECTROSURGICAL FORCEPS WITH TRANSLATING BLADE DRIVER - An apparatus for operating on tissue comprises a body, a lever, an end effector, and a tissue severing assembly. The end effector has a pair of jaws configured to open and close on tissue. The end effector is also capable of delivering RF energy to the tissue. The lever is configured to drive the pair of jaws. The tissue severing assembly comprises a trigger having at least one elongate member, at least one gear, and a firing beam. The trigger may also comprise a button operable to activate the RF energy. The firing beam is operable to sever tissue captured between the jaws. The at least one elongate member, at least one gear, and firing beam are associated such that longitudinal movement of the trigger in a first direction causes longitudinal movement of the firing beam in a second direction. | 12-04-2014 |
| 20150080890 | ELECTRODE ASSEMBLY - An electrode assembly ( | 03-19-2015 |
| 20150094716 | ELECTROSURGICAL INSTRUMENT - An electrosurgical instrument includes an elongated housing having proximal and distal ends. The proximal end is configured to couple to a source of electrosurgical energy via first and second channels extending along a length of the housing to the distal end thereof. The distal end includes a reflector having a dielectric load operably coupled thereto and configured to receive at least a portion of the first conductor therein. In a first mode of operation, electrosurgical energy is transmitted to the first channel and reflected from the reflector to electrosurgically treat tissue. The reflector is configured to receive at least a portion of the second channel therein. In a second mode of operation, electrosurgical energy is transmitted to the second channel to dissect tissue. | 04-02-2015 |
| 20150105777 | ELECTROSURGICAL ELECTRODE & INSTRUMENT - An electrosurgical instrument is provided for the treatment of tissue, the instrument ( | 04-16-2015 |
| 20150112334 | 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. | 04-23-2015 |
| 20160000503 | MEDICAL DEVICE AND MEDICAL SYSTEM - A medical device includes an insertion portion, and a driving mechanism coupled to the insertion portion, wherein the insertion portion includes a treatment portion configured to perform a treatment on a target portion, a joint portion capable of supporting the treatment portion and changing a direction of the treatment portion, a storage portion provided in the joint portion and capable of internally accommodating the treatment portion, and a driving force transmission portion connected to the joint portion and configured to transmit a driving force for changing the direction of the treatment portion to the joint portion, wherein the driving mechanism includes a driving force generation portion configured to generate the driving force, and wherein the treatment portion enters and exits the storage portion by the driving force transmitted from the driving force generation portion to the joint portion through the driving force transmission portion. | 01-07-2016 |
| 20160051318 | MEDICAL INSTRUMENT ELECTRICALLY ENERGIZED USING DRIVE CABLES - An electrically energized medical instrument uses one or more drive cables to both actuate mechanical components of a wrist mechanism or an effector and to electrically energize the effector. Electrical isolation can be achieved using an insulating main tube through which drive cables extend from a backend mechanism to the effector, an insulating end cover that leaves only the desired portions of the effector exposed, and one or more seals to prevent electrically conductive liquid from entering the main tube. Component count and cost may be further reduced using a pair of pulleys that are shared by four drive cables. | 02-25-2016 |
| 20160073862 | PACKAGING MATERIAL FOR ENDOSCOPIC TREATMENT SYSTEM AND ENDOSCOPE SYSTEM - An endoscopic treatment system includes: an endoscopic treatment device having an operating unit which has a distal end and a proximal end and a sheath; and a guide wire which has a coated region applied with coating at a distal end. A packaging material has a tray which maintains a predetermined position relationship between the sheath and the guide wire and holds the distal end side of the sheath in a state where the coated region of the guide wire is exposed from the distal end of the sheath. The tray is located on the distal end side of the sheath to a sheath holding portion, which holds the sheath, and has a wire accommodating portion which holds the full length of the coated region of the guide wire exposed from the distal end of the sheath in a linear form. | 03-17-2016 |
| 20160074101 | SURGICAL INSTRUMENT HAVING A BIPOLAR END EFFECTOR ASSEMBLY AND A DEPLOYABLE MONOPOLAR ASSEMBLY - A surgical instrument includes a housing, a rotating assembly including a rotation wheel coupled to the housing, a shaft engaged with the rotation wheel within the housing and extending distally from the housing, an end effector assembly disposed at a distal end of the shaft, a drive assembly slidably disposed within the shaft and operably coupled to the end effector assembly for manipulating the end effector assembly, a knife assembly slidably disposed within the shaft translatable relative to the end effector assembly between a retracted position and an extended position, an elongated insulative sheath slidably disposed about the shaft, and an energizable member slidably disposed within the shaft. The instrument is configured such that rotation of the rotation wheel relative to the housing similarly rotates the shaft, end effector assembly, drive assembly, knife assembly, elongated insulative sheath, and energizable member relative to the housing. | 03-17-2016 |
| 20160074102 | SURGICAL INSTRUMENT HAVING A BIPOLAR END EFFECTOR ASSEMBLY AND A DEPLOYABLE MONOPOLAR ASSEMBLY - A surgical instrument includes a housing having a shaft extending distally therefrom, an end effector assembly disposed at a distal end of the shaft, a handle assembly coupled to the housing for manipulating the end effector assembly, a deployable assembly, at least one actuator for deploying and retracting the deployable assembly, and a closure member. The closure member is keyed to the actuator(s) and operably positioned relative to the movable handle of the handle assembly such that, upon rotation of the actuator(s) relative to the housing from an un-actuated position to an actuated position, the closure member is urged into contact with the movable handle to urge the movable handle from an initial position to a compressed position, thereby moving the end effector assembly to an approximated position. | 03-17-2016 |
| 20160081743 | ELECTROSURGICAL INSTRUMENT - An electrosurgical instrument includes an elongated housing having proximal and distal ends. The proximal end is configured to couple to a source of electrosurgical energy via first and second channels extending along a length of the housing to the distal end thereof. The distal end includes a reflector having a dielectric load operably coupled thereto and configured to receive at least a portion of the first conductor therein. In a first mode of operation, electrosurgical energy is transmitted to the first channel and reflected from the reflector to electrosurgically treat tissue. The reflector is configured to receive at least a portion of the second channel therein. In a second mode of operation, electrosurgical energy is transmitted to the second channel to dissect tissue. | 03-24-2016 |
| 20160113679 | METHOD OF AMPUTATING AND MORCELLATING A UTERUS - A method of amputating and morcellating a uterus ( | 04-28-2016 |
| 20160120595 | ENERGY TREATMENT DEVICE - The present energy treatment device has an insertion part, a pair of arms which are provided in a distal portion of the insertion part and which are capable of performing an opening-closing operation, a treatment member which is attachably and detachably provided in a first arm, a locked part which is provided in a second arm and which is capable of locking the treatment member, and a manipulation part which causes the pair of arms to perform an opening-closing operation, wherein the treatment member includes a knife wire, and a locking member which is positioned with respect to the first arm, being attachable to and detachable from the first arm, and capable of being locked by the locked part, the locked part has a retainer which is capable of holding the locking member with a force stronger than a force of the first arm to hold the locking member. | 05-05-2016 |
| 20160157843 | TISSUE BAG AND METHOD OF MORCELLATING TISSUE - An apparatus for morcellating tissue includes a flexible outer container ( | 06-09-2016 |
| 20160175009 | Methods and Devices for Puncturing Tissue | 06-23-2016 |
| 20160175042 | VARIABLE THICKNESS ELECTROSURGICAL SNARE | 06-23-2016 |
| 20160175045 | Methods for Operating a Selective Stiffening Catheter | 06-23-2016 |
| 20160184009 | HEMOSTASIS AND TRANSECTION OF TISSUE - A laparoscopic cautery instrument may include an elongate shaft, a handle coupled to the shaft and moveable with respect to the shaft, an insulation ring, and a monopolar cautery wire. A laparoscopic cautery instrument may include an elongate shaft, a handle coupled to the shaft and moveable with respect to the shaft, a monopolar cautery wire, and an electrical conductor. | 06-30-2016 |
