[특허]Electrosurgical knife

[미국특허] Electrosurgical knife 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-018/18
출원번호	US-0495570 (2000-02-01)
발명자 / 주소	Ashok C Khandkar Aaron A. Hofmann
출원인 / 주소	Triad Surgical Technologies, Inc.
대리인 / 주소	Kelly Bauersfeld
인용정보	피인용 횟수 : 74 인용 특허 : 13

초록 ▼

An electrosurgical knife is provided with an improved surface coating designed for substantially non-stick hemostatic cutting of soft patient tissue. The electrosurgical knife includes a conductive knife blade adapted for connection to a suitable high frequency current source for electrocauterizing tissue at the point of contact to prevent or minimize bleeding. The knife blade includes the improved surface coating formed on at least a cutting edge thereof, wherein the outer surface of the coating includes a relatively non-stick constituent such as an aromatic hydrocarbon in combination with a relatively hard ceramic constituent. The surface coating is additionally loaded with a substantially uniformly dispersed matrix of conductive material for transmitting the electrical energy to patient tissue primarily by conduction. In a preferred form, the surface coating may be applied to the knife blade in multiple layers, wherein each layer is loaded with the conductive material, and further wherein at least the outermost layer further includes the combined non-stick and ceramic constituents.

대표청구항 ▼

1. An electrosurgical instrument for cooperation with a supply of electrical energy, said electrosurgical instrument of the type including a handle, one or more conductors coupling the power supply to the handle, and a knife blade for use in the hemostatic cutting of soft tissue, said cutting being accomplished through the transfer of electrical energy from the knife blade to a patient during surgery primarily through conduction, said knife blade comprising:a conductive substrate having a surface; one or more coatings applied to at least a portion of the conductive substrate, at least one of said one or more coatings including a non-stick polymer agent substantially uniformly impregnated with a conductive agent; and at least a portion of said at least one of said one or more coatings being coated with a top coating including a non-stick agent impregnated substantially uniformly with a conductive agent and a hardening agent.

이 특허에 인용된 특허 (13) 인용/피인용 타임라인 분석

Shaw Robert F. (1560 Willow Rd. Palo Alto CA 94304) Eggers Philip E. (855 Clayton Dr. Worthington OH 43085), Abherent surgical instrument and method.
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Hetzel Gert (Erlangen DT), Bipolar cutting electrode for high-frequency surgery.
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Sansom Matthias R. (Sandy UT) Ellingson Richard L. (Draper UT), Composite electrosurgical medical instrument.
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Beard Robert W. (Placerville CA), Cutting device and method of manufacture.
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Kumar B. Ajit ; Olsen Don B., Electrosurgical electrode with a conductive, non-stick coating.
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Landingham Richard L., Electrosurgical instrument with conductive ceramic or cermet and method of making same.
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Blanch G. Marsden (Sandy UT), Electrosurgical knife.
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Blanch G. Marsden (Sandy UT), Electrosurgical knife.
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Doss James D. (Los Alamos NM) Cowan Robert E. (Los Alamos NM) Newell Robert H. (Los Alamos NM) McCabe Charles W. (Los Alamos NM), Electrosurgical knife.
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Allen Richard E. (Corning NY), Nonstick conductive coating.
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Domicone Joseph J. (Horseheads NY), Nonstick conductive coating.
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Herczog Andrew (Hammondsport NY), Surgical cutting instrument.
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Herczog Andrew (Hammondsport NY) Murphy James A. (Painted Post NY), Surgical cutting instrument.
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이 특허를 인용한 특허 (74) 인용/피인용 타임라인 분석

Nesbitt, Bruce, Anti-microbial electrosurgical electrode and method of manufacturing same.
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Nesbitt,Bruce, Anti-microbial electrosurgical electrode and method of manufacturing same.
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Nesbitt,Bruce, Anti-microbial electrosurgical electrode and method of manufacturing same.
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Nesbitt,Bruce, Anti-microbial electrosurgical electrode and method of manufacturing the same.
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Greep, Darcy W.; Pitt, William G., Application and utilization of a water-soluble polymer on a surface.
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Hayashi, Katsura, Circuit substrate, laminated board and laminated sheet.
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Hayashi, Katsura, Circuit substrate, laminated board and laminated sheet.
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Nesbitt,Bruce, Coating reinforcing underlayment and method of manufacturing same.
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Sartor, Joe Don, Electrode with rotatably deployable sheath.
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DeCarlo, Arnold V., Electrosurgical device with LED adapter.
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Nesbitt, Bruce, Electrosurgical electrode and method of manufacturing same.
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Nesbitt, Bruce, Electrosurgical electrode and method of manufacturing same.
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Nesbitt, Bruce, Electrosurgical electrode and method of manufacturing same.
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Nesbitt, Bruce, Electrosurgical electrode and method of manufacturing same.
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Nesbitt,Bruce, Electrosurgical electrode and method of manufacturing same.
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Baker, James A; Truckai, Csaba; Shadduck, John H, Electrosurgical instrument.
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Truckai, Csaba; Shadduck, John H.; Strul, Bruno, Electrosurgical instrument.
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Truckai,Csaba; Shadduck,John H.; Strul,Bruno, Electrosurgical instrument.
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Truckai,Csaba; Shadduck,John H.; Strul,Bruno, Electrosurgical instrument.
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Truckai, Csaba; Shadduck, John, Electrosurgical instrument and method.
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Truckai, Csaba; Shadduck, John H., Electrosurgical instrument and method.
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Truckai, Csaba; Shadduck, John H., Electrosurgical instrument and method.
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Truckai, Csaba; Shadduck, John H., Electrosurgical instrument and method.
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Truckai,Csaba; Shadduck,John H., Electrosurgical instrument and method of use.
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Truckai,Csaba; Shadduck,John H., Electrosurgical instrument and method of use.
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Truckai,Csaba; Shadduck,John H.; Baker,James A., Electrosurgical instrument and method of use.
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Truckal,Csaba; Shaddock,John H., Electrosurgical instrument and method of use.
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Truckai, Csaba; Shadduck, John; Baker, James, Electrosurgical instrument with replaceable cartridge.
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Truckai, Csaba; Baker, James A.; Strul, Bruno; Shadduck, John H., Electrosurgical jaw structure for controlled energy delivery.
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Truckai,Csaba; Baker,James; Strul,Bruno; Shadduck,John H., Electrosurgical jaw structure for controlled energy delivery.
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Podhajsky, Ronald J; Schmaltz, Dale Francis; Reschke, Arlan James, Electrosurgical pencil having a single button variable control.
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Podhajsky,Ronald J.; Schmaltz,Dale Francis; Reschke,Arlan James, Electrosurgical pencil having a single button variable control.
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Fry, Monte; Kerr, Duane; Reschke, Arlan J.; Heard, David N.; Horner, Glenn A., Electrosurgical pencil including improved controls.
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Heard, David N., Electrosurgical pencil including improved controls.
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Heard, David N.; Allen, IV, James D., Electrosurgical pencil including improved controls.
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Heard, David N.; Allen, IV, James D., Electrosurgical pencil including improved controls.
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Heard, David N.; Kerr, Duane; Sartor, Joe D., Electrosurgical pencil including improved controls.
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Kerr, Duane E., Electrosurgical pencil including improved controls.
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Kerr, Duane; Fry, Monte; Horner, Glenn A., Electrosurgical pencil including improved controls.
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Sartor, Joe D.; Behnke, Robert; Buysse, Steven P.; Ehr, Chris J.; Heard, David N.; Huseman, Mark J.; Podhajsky, Ronald J.; Reschke, Arlan J.; Schmaltz, Dale F., Electrosurgical pencil with advanced ES controls.
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Buchman, II, Thomas L.; Podhajsky, Ronald J.; Reschke, Arlan J., Electrosurgical pencil with drag sensing capability.
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Buchman, II, Thomas L.; Podhajsky, Ronald J.; Reschke, Arlan J., Electrosurgical pencil with drag sensing capability.
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Buchman, II,Thomas L.; Podhajsky,Ronald J.; Reschke,Arlan J., Electrosurgical pencil with drag sensing capability.
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Reschke,Arlan James; Buysse,Steven Paul; Heard,David Nichols; Sartor,Joe Don; Schmaltz,Dale Francis; Podhajsky,Ronald J., Electrosurgical pencil with improved controls.
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Sartor, Joe Don; Ehr, Chris J.; Reschke, Arlen J., Electrosurgical pencil with improved controls.
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Sartor,Joe Don; Ehr,Chris J.; Reschke,Arlen J., Electrosurgical pencil with improved controls.
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Sartor,Joe Don; Reschke,Arlen James; Heard,David Nichols; Schmaltz,Dale Francis; Podhajsky,Ronald J.; Buysse,Steven Paul; Huseman,Mark, Electrosurgical pencil with improved controls.
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Truckai,Csaba; Shadduck,John H., Electrosurgical probe and method of use.
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Truckai, Csaba; Perkins, Rodney; Shadduck, John H., Electrosurgical working end and method for obtaining tissue samples for biopsy.
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Truckai,Csaba; Shadduck,John H., Electrosurgical working end for controlled energy delivery.
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Truckai,Csaba; Baker,James A.; Gran,Gabor; Shadduck,John H., Electrosurgical working end with replaceable cartridges.
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Truckai, Csaba; Shadduck, John H., Electrosurgical working end with resistive gradient electrodes.
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Young, Michael Eugene; Mittal, Alexander Chow; Srinivas, Arjun Daniel; Peng, Calvin, Enhanced surfaces, coatings, and related methods.
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Mathonnet, Olivier, Extension cutting blade.
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Sartor, Joe Don, Handheld electrosurgical apparatus for controlling operating room equipment.
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Cunningham, James S.; Romero, Paul R.; Roy, Jeffrey M., High volume fluid seal for electrosurgical handpiece.
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Truckai, Csaba; Baker, James A.; Shadduck, John H., Jaw structure for electrosurgical instrument.
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Truckai,Csaba; Baker,James A.; Shadduck,John H., Jaw structure for electrosurgical instrument and method of use.
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Nesbitt, Bruce, Method of forming a coating on a surface of a substrate.
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Nesbitt, Bruce, Method of forming a coating on a surface of a substrate.
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Nesbitt, Bruce, Method of forming a coating on a surface of a substrate.
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Marchese, Sr., Justin W.; Scholz, John L., Method of manufacturing of electrosurgical implements.
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Brannan, Joseph D., Microwave tissue dissection and coagulation.
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Brannan, Joseph D., Microwave tissue dissection and coagulation.
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Sartor,Joe D.; Schmaltz,Dale F., Motion detector for controlling electrosurgical output.
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Reschke,Arlan James, Pistol grip electrosurgical pencil with manual aspirator/irrigator and methods of using the same.
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Truckai,Csaba; Shadduck,John, Polymer compositions exhibiting a PTC property and methods of fabrication.
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Rusin, Chris, Soft tissue RF transection and resection device.
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Srinivas, Arjun Daniel; Peng, Calvin; Mittal, Alexander Chow; Agarwal, Priyanka, Surfaces having particles and related methods.
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Truckai, Csaba; Shadduck, John H.; Strul, Bruno, Surgical system for applying ultrasonic energy to tissue.
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Craig, Jason L, Thermal penetration and arc length controllable electrosurgical pencil.
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Craig, Jason L., Thermal penetration and arc length controllable electrosurgical pencil.
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Greep, Darcy W., Utilization of a hybrid material in a surface coating of an electrosurgical instrument.
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Greep, Darcy W., Utilization of an active catalyst in a surface coating of an electrosurgical instrument.
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IPC	Description
A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Electrosurgical knife 원문보기