Matches 301 - 348 out of 348 < 1 2 3 4 5 6 7
Match Document Document Title
5269782 Bipolar medical coagulation and cauterizing instrument  
A bipolar medical coagulation and/or cauterizing instrument has two elongated electrodes with first end portions which constitute the working end of the instrument and second end portions which are...
5254121 Method and device for removing concretions within human ducts  
A method and device is described for removing concretions such as calculus stones within human ducts such as the ureter or kidney. The device includes a flexible probe insertable through the human...
5250047 Bipolar laparoscopic instrument with replaceable electrode tip assembly  
An electrosurgical instrument for use in endoscopic procedures features an electrode assembly which can be readily connected and disconnected from the remaining body of the instrument to allow a...
5217459 Method and instrument for performing eye surgery  
An instrument for surgically removing a lens from the eye comprising a housing that supports electrodes for bipolar cutting and splitting the nucleus of the lens. A method of surgically removing a...
5217458 Bipolar biopsy device utilizing a rotatable, single-hinged moving element  
A bipolar biopsy device for removing tissue samples for biopsy purposes or other purposes. The bipolar biopsy device has an elongated flexible end and a lumen extending therebetween. A cutting head...
5201732 Bipolar sphincterotomy utilizing side-by-side parallel wires  
A bipolar sphincterotomy for use in endoscopic retrograde sphincterotomy procedures includes an elongated, flexible, plastic tube having either a single or a double lumen extending between its...
5197963 Electrosurgical instrument with extendable sheath for irrigation and aspiration  
An electrosurgical instrument having a protective, extendable and retractable sheath or sleeve is disclosed. The sheath is disposed around and coaligned with an elongated cylindrical rod, from...
5192280 Pivoting multiple loop bipolar cutting device  
An electrosurgical cutting instrument with bipolar electrodes integrally formed into a pivoting ceramic working head. The ceramic head is pivotable about a pivot point by selectively retracting a...
5190541 Surgical instrument and method  
A surgical instrument useful for laparoscopic surgery comprising an insulated shaft, a control means and a connection to an electrosurgical radiofrequency power source, its distal end being of...
5171311 Percutaneous laparoscopic cholecystectomy instrument  
An instrument for performing a percutaneous laparoscopic cholecystectomy includes a generally rigid, tubular body with a proximal end, a distal end and a lumen extending between these two ends and...
RE33925 Electrosurgical catheter aned method for vascular applications  
The method for resolving atherosclerotic plaque buildup and/or eroding unwanted tissue in a blood vessel includes the steps of: inserting an electrode in and along the lumen of a blood vessel;...
5100423 Ablation catheter  
An ablation catheter is provided with an elongated member or shaft and a plurality of helically-shaped cutting wires attached to the shaft to form a cutting basket. Each of the cutting wires has a...
5098431 RF ablation catheter  
An intravascular catheter especially designed to surgically remove atheromas or other forms of stenotic or thrombotic lesions from the interior walls of a blood vessel using an RF discharge between...
5085659 Biopsy device with bipolar coagulation capability  
A biopsy instrument comprises an elongated flexible tube having a sharpened metal sleeve affixed to its distal end. An anvil member is affixed to the distal end of an elongated rod or wire which...
5084045 Suction surgical instrument  
A surgical instrument consisting of three concentric tubes, with the outer and inner tubes made of electrical current conducting material which are in turn connected to a bipolar current generator....
5083565 Electrosurgical instrument for ablating endocardial tissue  
An endocardial electrosurgical catheter for locating and subsequently ablating ectopic foci in cardiac tissue comprises an elongated flexible tubular catheter sized to permit its being routed...
5080660 Electrosurgical electrode  
In accordance with an embodiment of the present invention an improvement is set forth in an electrosurgical electrode having a conductor from which a radio frequency electrical signal is generated,...
5078716 Electrosurgical apparatus for resecting abnormal protruding growth  
The present invention relates to surgical instruments for removing protruding tissue such as tonsils, warts, polyps and like, from the body, more specifically, it relates to loop type snare...
5057107 Ablation catheter with selectively deployable electrodes  
A RF ablation catheter for removing athero-stenotic lesions or modifying the tissue characteristics of the interior walls of selected blood vessels is described. The catheter is characterized in...
5047027 Tumor resector  
A bipolar electrosurgical instrument designed for resecting tumorous growths from the esophagus, bladder or other internal organ where the site of the tumor is reached by way of an endoscope, the...
5047026 Electrosurgical implement for tunneling through tissue  
An electrosurgical implement for tunneling through tissue for effecting drainage of an organ or to restore patency to a blood vessel is described. The implement comprises a stainless steel,...
5035696 Electrosurgical instrument for conducting endoscopic retrograde sphincterotomy  
A bioplar sphinctertome for use in endoscopic retrograde sphincterotomy procedures includes an elongated, flexible, plastic tube having either a single or a double lumen and includes a segment near...
5026371 Handle for polypectome snare with bipolar electrodes  
An improved handle for a polypectome snare for use in excising polyps from an internal body cavity. The apparatus generally comprises a radio frequency polypectome snare which includes a hand grip...
5013312 Bipolar scalpel for harvesting internal mammary artery  
An bipolar electrosurgical instrument especially designed especially for use in freeing and rerouting of the internal mammary artery during coronary bypass surgery. It comprises a rigid pen-like...
5007908 Electrosurgical instrument having needle cutting electrode and spot-coag electrode  
An electrosurgical instrument for use in combination with an endoscope for cutting tissue and cauterizing/coagulating the resulting wound area is described. The instrument comprises an elongated...
4936842 Electrosurgical probe apparatus  
A disposable bipolar electrosurgical probe which can be readily applied to the tissue to be treated, then discarded. The probe comprises an elongated substrate member having a peripheral surface of...
4936281 Ultrasonically enhanced RF ablation catheter  
An electrosurgical angioplasty catheter with ultrasonic enhancement is described. It comprises an elongated, flexible plastic tubular body having located at its distal tip an electrode structure...
4905691 Polypectome snare with bipolar electrodes  
A polypectome snare whose loop comprises a pair of electrodes mechanically joined but electrically insulated from one another at their distal ends and adapted to be energized by a source of RF...
4878493 Hand-held diathermy apparatus  
A hand-held or portable diathermy apparatus is disclosed comprising a housing, a battery power supply preferably within the housing, and at least one electrode carried by the housing. The apparatus...
4862890 Electrosurgical spatula blade with ceramic substrate  
A surgical cutting blade for use in an electrosurgical scalpel includes a thin flat ceramic substrate having a rounded tip where the edge portion of the substrate on the opposed major surfaces...
4802476 Electro-surgical instrument  
Described is a surgical tool having a unique blade comprised of a blank made of electrically conductive material, a first insulative member, a plurality of electrically conductive members laminated...
4711239 Electrosurgical instrument  
An electrosurgical instrument of the invention comprises a body (3) and, arranged coaxially, a passive electrode (2) and an active electrode (1), of which the outer electrode is associated with the...
4706667 Electro surgical high frequency cutting instrument  
In an electro-surgical r.f. cutting instrument in which the neutral electrode (11) is arranged on both sides of the cutting electrode (12) but is however set back relative to the cutting electrode...
4686980 Disposable bipolar instrument  
A disposable bipolar instrument for ophthalmic surgery has a pair of shell halves carrying electrodes. A collar connects the shell halves together, and electrical conductors supply current to and...
4674498 Electro cautery surgical blade  
An electro surgical instrument comprising a handle and a replaceable blade. The handle includes a blade receiving slot and means for clamping the proximal portion of the blade within the slot. Also...
4381007 Multipolar corneal-shaping electrode with flexible removable skirt  
The disclosure relates to a multipolar probe using radiofrequency energy to reshape the cornea of an eye. The surface of the cornea is flushed continuously with a conductive coolant during operation.
4301802 Cauterizing tool for ophthalmological surgery  
The invention contemplates a cauterizing tool in which the localized working surface of a cauterizing electrode is at an offset end of an elongate tubular body which may be of hypodermic-needle...
4248231 Surgical cutting instrument  
The present invention provides a surgical cutting instrument having a blade portion and cutting edge therefor with electric input elements located near the cutting edge for cutting the tissue and...
4228800 Bipolar electrosurgical knife  
An electrosurgical instrument comprising a handle which holds a blade assembly comprising a plurality of electrodes and insulation members positioned between the electrodes. The blade assembly...
4202337 Bipolar electrosurgical knife  
An electrosurgical instrument for cutting, spot coagulation and point coagulation comprising a nonconductive handle which holds a blade assembly comprising a plurality of electrodes and an...
4161950 Electrosurgical knife  
An electrosurgical knife blade of insulating material having a pair of electrodes adapted to be connected to a radiofrequency generator.
4116198 Electro - surgical device  
Electro-surgical device with an insulated cable which can be passed through n endoscope, to which can be connected the pole of a high frequency generator, said pole being insulated from earth...
4074718 Electrosurgical instrument  
An electrosurgical instrument comprising a support member; at least one electrode mounted on the support, the electrode consisting essentially of a material having a figure of merit of at least...
4060087 Single or double-shank cutting loop device for resectoscopes  
A cutting loop device for a resectoscope comprising two arms carrying two parallel cutting loops of wire in the distal end region of the device, the more proximal of said cutting loops being...
4043342 Electrosurgical devices having sesquipolar electrode structures incorporated therein  
An electrosurgical device adapted for connection to an electrical generator having active and return output terminals, the device being used to cut, coagulate, or otherwise treat organic tissue or...
4033351 Bipolar cutting electrode for high-frequency surgery  
A bipolar cutting electrode for high-frequency surgery having at least two mutually insulated and high-frequency voltage conductive metal portions which are at a fixed spacing relative to each...
3987795 Electrosurgical devices having sesquipolar electrode structures incorporated therein  
An electrosurgical device connected to an electrical generator having active and return output terminals, the device being used to cut, coagulate, or otherwise treat human tissue or the like, the...
3901242 Electric surgical instrument  
An electric surgical instrument includes a pair of laterally spaced, hollow tubes the distal ends of which are interconnected by a transverse electrical insulating member upon which are helically...
Matches 301 - 348 out of 348 < 1 2 3 4 5 6 7