Matches 251 - 300 out of 348 < 1 2 3 4 5 6 7 >
Match Document Document Title
5674184 Surgical trocars with cutting electrode and viewing rod  
A trocar obturator includes a hollow tube having a substantially solid, optically clear tip attached thereto. A distal cutting end of the tip is formed by a pair of opposing, angularly oriented...
5669907 Plasma enhanced bipolar electrosurgical system  
A surgical system has a multiple electrode electrosurgical capability in combination with a gas plasma capability for delivery of electrosurgical energy to the tissue or bodily fluids of a patient....
5658281 Bipolar electrosurgical scissors and method of manufacture  
A bipolar electrosurgical scissors has an improved coagulation capability. Both poles of electrosurgical energy are exposed on the exterior surfaces of each shearing member so that the scissors can...
5658279 Bipolar electrosurgical trocar  
The invention provides an electrosurgical tissue penetrating probe (e.g., a trocar) for use with surgical procedures such as a laproscopy. The trocar has a stylet disposed within the housing...
5647869 Electrosurgical apparatus  
In electrosurgical apparatus for tissue desiccation and cutting, an electrosurgical generator has a series-connected output inductor which forms a series resonant circuit with the capacitance of...
5643257 Apparatus and method for venous ligation  
A minimally-invasive surgery apparatus for causing the lumen of a vein to collapse to prevent blood flow through the vein, e.g., a varicose vein or a side branch of the saphenous vein, includes an...
5637111 Bipolar electrosurgical instrument with desiccation feature  
A bipolar electrosurgical instrument including four shearing members is disclosed. The shearing members are movable to an open position for grasping tissue, a closed position for desiccating tissue...
5626576 Electrosurgical catheter for resolving atherosclerotic plaque by radio frequency sparking  
An electrosurgical device for the resolution of an occlusive deposit within a lumen of the body, and a method of using such a device. The device has a distal end that is insertable within and along...
5626578 RF valvulotome  
A RF valvulotome and method of use is described. The valvulotome comprises an elongated, flexible polymeric tube or rod supporting a pair of paddle members at its distal end, the paddle members...
5599346 RF treatment system  
An RF treatment system includes first and second catheters with first and second needle electrodes positioned at least partially in lumens of the first and second catheters. Each electrode is...
5573534 Bipolar electrosurgical instruments  
A bipolar electrosurgical instrument is provided having a handle assembly, an elongated body portion, and a tool mechanism. The body portion comprises an outer tubular member and an inner rod...
5569243 Double acting endoscopic scissors with bipolar cautery capability  
A double acting bipolar endoscopic scissors includes a hollow tube with an integral clevis and a bipolar push rod extending therethrough. The tube is rotatably mounted in a handle member which is...
5558673 Medical probe device and method having a flexible resilient tape stylet  
The device and method of the present invention is a medical probe device which has an elongated guide having a longitudinal axis, and a handle and probe end, the guide defining a port at its probe...
5555618 Method of making electrode-carrying catheter  
An electrode-carrying catheter has elongate, flexible tubing defining a proximal end, a distal end, and an electrically insulative outer tubular layer intermediate the ends, the tubing including a...
5556397 Coaxial electrosurgical instrument  
A coaxial electrosurgical instrument has an elongate inner electrode insulated from and contained coaxially within a hollow tubular elongate outer electrode. Both electrodes have respective distal...
5549605 Roller electrodes for electrocautery probes for use with a resectoscope  
An electrocautery probe includes a pair of arms between which a roller electrode is mounted. The arms are joined at their proximal ends to an electrode lead and a mounting sleeve is provided...
5542945 Electro-surgical radio-frequency instrument  
An electro-surgical radio-frequency instrument is described for the coagulating and/or cutting of tissue with a shaft having a radio-frequency voltage connection. A working tip is arranged at the...
5542916 Dual-channel RF power delivery system  
A dual-channel RF power delivery system for applying RF energy to dual electrodes of an RF ablation device with independent control of the power level, frequency, phase, and time duration of the RF...
5540685 Bipolar electrical scissors with metal cutting edges and shearing surfaces  
A bipolar electrosurgical scissors for use in open or endoscopic surgery has a pair of opposed metal blade members pivotally joined to one another and to the distal end of the scissors itself by a...
5531744 Alternative current pathways for bipolar surgical cutting tool  
A bipolar electrosurgical tool comprises a retractable cutting element movable along a cutting path and an electrical energy supply source which communicates electrical energy (e.g., radio...
5514134 Bipolar electrosurgical scissors  
A hand operable bipolar scissors instrument comprising two interfacing pivotal blade members which are each an electrode electrically insulated from the other and individually pivotable in relation...
5514130 RF apparatus for controlled depth ablation of soft tissue  
An RF ablation apparatus has a delivery catheter with a delivery catheter lumen and a delivery catheter distal end. A first RF electrode is positioned in the delivery catheter lumen. The first RF...
5507743 Coiled RF electrode treatment apparatus  
An RF treatment apparatus provides multi-modality treatment for tumors and other desired tissue masses, and includes an RF indifferent electrode and an RF active electrode. The RF indifferent...
5496317 Laparoscopic surgical instrument  
A laparoscopic surgical instrument which may be in the form of forceps or a cutter has, at the end of a hollow tube for introduction through the body cavity wall, a housing, a pair of pivotally...
5496314 Irrigation and shroud arrangement for electrically powered endoscopic probes  
An irrigation arrangement is provided for electrically powered endoscopic probes that supplies the surgeon with suction or irrigation on demand. The irrigation arrangement is described for use with...
5484435 Bipolar electrosurgical instrument for use in minimally invasive internal surgical procedures  
A bipolar electrosurgical instrument for use in laparoscopic surgery or other minimally invasive internal surgical procedures is disclosed. In one embodiment, a bipolar electrosurgical apparatus...
5484436 Bi-polar electrosurgical instruments and methods of making  
Bipolar surgical instruments for simultaneously cutting and coagulating tissue are provided that feature increased manufacturability and durability, reduced component cost and reduced assembly...
5472443 Electrosurgical apparatus employing constant voltage and methods of use  
Methods and apparatus are provided for use in performing electrosurgery, wherein a power supply supplies an electrosurgical instrument with a low voltage power signal having a substantially...
5472442 Moveable switchable electrosurgical handpiece  
An active electrode switches from a monopolar mode extending from a handpiece and a patient return to a bipolar mode with the active and return electrodes extending. An active lead selectively...
5462545 Catheter electrodes  
In one aspect of the invention, an electrode portion of a catheter disposed at a distal portion of the catheter includes two or more electrically conductive panels which: are disposed a...
5462546 Bipolar electrosurgical forceps  
A hand operable bipolar forceps instrument comprising two interfacing pivotal blade member's which are each an electrode individually pivotable in relation to each other. Pivotal movement of the...
5460629 Electrosurgical device and method  
An electrosurgical probe comprises an elongate probe body having a surgical hook at a distal end thereof. A paddle element is reciprocatably mounted within the distal tip of the elongate body so...
5454809 Electrosurgical catheter and method for resolving atherosclerotic plaque by radio frequency sparking  
A method, and device utilized to practice it, for the resolution of tissue by radio frequency sparking. The device of the present invention having a distal end which is insertable within and along...
5451224 Apparatus for radio frequency bipolar electrosurgery  
Surgical apparatus for bipolar diathermy has a radio frequency generator connectible to a cutting assembly which includes a support structure having a pair of electrical supply conductors and,...
5437662 Fluid cooled electrosurgical cauterization system  
An electrosurgical probe is disclosed which provides the ability to both cut and cauterize tissue. The probe includes at least one cauterization electrode mounted upon a distal portion of the...
5423814 Endoscopic bipolar coagulation device  
A bipolar coagulation device suitable for use in endoscopic surgery is disclosed which reduces the adhesion of tissue to the electrodes and enables the user to clean the electrodes during the...
5409487 Auxiliary tubing probe  
An auxiliary tubing probe for converting a monopolar electrosurgery probe having a main electrode at one end, into a bipolar electrosurgery probe. The auxiliary probe has an inner electrically...
5403311 Electro-coagulation and ablation and other electrotherapeutic treatments of body tissue  
A catheter includes a flexible elongated catheter body that defines a needle-receiving, or probe-receiving, lumen, a retractable tissue-penetrable needle, or probe, and an electrode mounted on the...
5401274 High-frequency treating instrument  
A high-frequency treating instrument comprises an insertion tube having electric conductivity, an electrically insulating, tubular member fitted over an outer periphery of the insertion tube with a...
5395363 Diathermy coagulation and ablation apparatus and method  
An apparatus for facilitating diathermy coagulation or ablation of tissue by the application of an electrical current to tissue is connectable to an electrosurgical generator having an active lead...
5366476 Handle for laparoscopic instrument  
The invention provides an actuator handle useful in connection with a variety of surgical instruments, in particular, least invasive surgical instruments having an elongate shaft and an axial...
5360428 Laparoscopic instrument with electrical cutting wires  
A laparoscopic surgical cutting tool has a handle attached to a hollow tube. A tube end segment is pivotally attached to the tube. A linkage connects the handle to the end segment to allow the...
5356408 Bipolar electrosurgical scissors having nonlinear blades  
A bipolar electrosurgical scissors instrument comprising a proximal portion having a proximal linear axis and a distal blade portion having blade members with a nonlinear axis in relation to the...
5330470 Electro-surgical treatment instrument  
The invention relates to an electro-surgical treatment instrument with a der 16 connectable to a radio frequency generator with two electrodes 11, 12 being arranged at the proximal end of the...
5318564 Bipolar surgical snare and methods of use  
A bipolar snare instrument for use in surgery is provided. The snare instrument has a snaring loop comprising a flexible continuous electrically-insulating loop for supporting bipolar electrodes....
5318565 Suction cautery dissector  
The present invention pertains to a cautery dissector. The cautery dissector is comprised of a cautery blade and a handle member having a sheath portion and a device for adjustably retracting the...
5290285 Electrocautery device having two electrically active areas of the terminal end spaced from each other  
This is an electrocautery device having an electrically active tip and an electrically active portion of the terminal end of the device spaced from the tip.
5282799 Bipolar electrosurgical scalpel with paired loop electrodes  
A bipolar electrosurgical scalpel comprising a handle having a pair of loop electrodes extending outwardly from the distal end thereof in parallel, spaced relation, such that the spacing defines a...
5281216 Electrosurgical bipolar treating apparatus  
An electrosurgical bipolar treating apparatus comprising a handpiece to which is connected a first active electrode and a second return electrode having exposed distal ends which define a bipolar...
5269780 Electro-surgical devices  
A electrosurgical device for selectively carrying out bipolar coagulation tissue has a preferably elongate instrument housing (10) with a guide tube (14) for three mutually insulated contact rods...
Matches 251 - 300 out of 348 < 1 2 3 4 5 6 7 >