Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS3828780 A
Publication typeGrant
Publication date13 Aug 1974
Filing date26 Mar 1973
Priority date26 Mar 1973
Publication numberUS 3828780 A, US 3828780A, US-A-3828780, US3828780 A, US3828780A
InventorsC Morrison
Original AssigneeValleylab Inc
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Combined electrocoagulator-suction instrument
US 3828780 A
Abstract
A combined electrocoagulator-suction instrument useful for coagulating bleeding capillaries and veins within a surgical field and for sucking out blood and other liquids from the field either during, before or after the coagulation procedure. An elongate body of electrically non-conductive material is formed with a main flow passage terminating at one end of the body in a nipple for connecting the passage to a vacuum source. A second passage through the body receives an electrical conductor connected to an electro-surgical generator, the end of the conductor passing through the second passage and having its bared end bent back to extend into the interior of the first passage. An open ended metal tube has one end formed to be inserted into the main passage at the end opposite to said nipple, the tube being mechanically seated within the passage in electrical contact with the bared wire end. An electrically non-conductive sheath surrounds all of the exposed surface of the tube with the exception of a short section at the opposite end or tip. A branch passage extends through the wall of the body to communicate with the main passage at a location intermediate the ends of the main passage, the opposite end of the branch passage opening at the exterior of the body at a vent opening which can be fully or partially covered by the surgeon's finger to regulate the degree of suction within the main flow passage. The vent opening is offset from the location at which the branch passage communicates with the main passage in an upstream direction with respect to the direction of flow of fluid through the main passage.
Images(1)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

tates Patent Morrison, Jr.

1 1 COMBINED ELEC TROCOAGULATOR-SUCTION lNSTRUMENT [75] Inventor: Charles F. Morrison, .lr., Boulder,

Colo.

[73] Assignee: Valleylah, lnc., Boulder, C010.

[22] Filed: Mar. 26, 1973 [21] Appl. No.: 344,872

52 us. Cl. .1 128/2751, l28/303.17

[51] int. Cl. A61m 1/00, A6lb 17/40 [58] Field of Search 128/2751, 276, 277, 303.17

[56] References Cited UNITED STATES PATENTS 2,888,928 6/1959 Seiger l28/303.17

3,595,234 7/1971 Jackson 128/276 3,610,242 10/1971 Sheridan et a1 128/276 Primary Examiner-Channing L. Pace Attorney, Agent, or F irmBurton, Crandell, Polumbus & Harris [57] ABSTRACT A combined electrocoagulator-suction instrument useful for coagulating bleeding capillaries and veins within a surgical field and for sucking out blood and other liquids from the field either during, before or after the coagulation procedure. An elongate body of electrically non-conductive material is formed with a main flow passage terminating at one end of the body in a nipple for connecting the passage to a vacuum source. A second passage through the body receives an electrical conductor connected to an electrosurgical generator, the end of the conductor passing through the second passage and having its bared end bent back to extend into the interior of the first passage. An open ended metal tube has one end formed to be inserted into the main passage at the end opposite to said nipple, the tube being mechanically seated within the passage in electrical contact with the bared wire end. An electrically non-conductive sheath surrounds all of the exposed surface of the tube with the exception of a short section at the opposite end or tip. A branch passage extends through the wall of the body to communicate with the main passage at a location intermediate the ends of the main passage, the opposite end of the branch passage opening at the exterior of the body at a vent opening which can be fully or partially covered by the surgeons finger to regulate the degree of suction within the main flow passage. The vent opening is offset from the location at which the branch passage communicates with the main passage in an upstream direction with respect to the direction of flow of fluid through the main passage.

4 Claims, 3 Drawing Figures BACKGROUND OF THE INVENTION Coagulation of blood vessels during surgery by the application of a high frequency electrical current is a standard and widely used technique. In this technique,

the body of the patient is electrically connected to one side of an electrical circuit while an electrically conductive probe is connected to the other; When the probe is touched to or placed near the open blood vessel, a high frequency electrical current flows from the probe to cause coagulation at the point where the current jumps from the probe tip to the patient's body.

Because this technique is used forsealing off blood vessels, it follows that some quantity of blood will be encountered at the precise region at which the coagulation is to be performed and it is therefore often necessary that the excess blood be removed by a suction instrument.

The conventional suction instrument takes the form of a plastic body or fitting having a passage connected to a suction source. An elongate tube mounted on the body is inserted into the incision to suck out blood or other body fluids. The suction instrument is controlled by a simple vent opening in the body, the surgeon covering the vent opening with his finger when he wants to exert suction in the tube and uncovering the opening when suction at the tube end is not desired.

Because the shape of the tip of an electrocoagulator probe is not overly critical, attempts have previously been made to provide an instrument capable of performing the dual functions of electrocoagulation and suction by making the tube of the suction instrument of an electrically conductive material and electrically connecting this tube into the coagulating power circuit. This arrangement has proved to be totally unsatisfactory because of the fact that blood is electrically conductive and if the surgeon places his finger over the vent hole to induce suction while electrical current is flowing through the tube-probe, blood flowing into the vent opening will conduct current to the overlying finger, resulting in electrical shock or burn. Because of the high frequency currents employed, the thin material of the surgeons glove offers no effective resistance to the electric current.

SUMMARY OF THE INVENTION The present invention is especially designed to provide an instrument capable of simultaneous use both as an electrocoagulator and as a suction instrument. The instrument includes an elongate body formed of an inexpensive electrically non-conductive material. A main flow passage extends longitudinally through the body from end to end, a nipple at one end of the body being employed to couple that end of the body to a flexible tube connected to a suction source. A second'longitudinal passage extends through the body from end to end and receives the electric power cable of the coagulation circuit. The cable passes entirely through the second passage and its bared end is bent back into the forward end of the main flow passage. A hollow metal tube is inserted into the forward end of the main flow passage, the tube frictionally clamping itself in position and electrically contacting the exposed end of the electric power cable. An electrically non-conductive sheath encloses all of the exposed portion of the tube with the exception of a relatively short portion at the tube tip.

The suction source supplies suction to the main flow passage and to the interior of the tube. A vent opening for regulating the degree of suction in the tube is provided; however, unlike vent openings of conventional suction instruments, the vent opening does not communicate directly with the main flow passage. A branch passage having, in cross-section, a kidney shaped configuration extends from the vent opening through the body to communicate with the main flow passage at a location upstream of the vent opening with respect to the direction of flow of fluid through the main flow passage and, during use of the instrument, is disposed vertically above the main flow passage. Further, in contrast to conventional suction instruments whose vent opening is designed or shaped so as to be completely closed when touched by the surgeons finger, the vent opening of the present instrument is a relatively long and narrow slot which enables the surgeon to regulate the degree of suction by pushing his finger longitudinally along the slot from one end toward the other.

The fact that the vent opening is offset in an upstream direction from the location at which its branch passage communicates with the main flow passage means that in order for blood to reach the vent opening, the blood must flow in the direction opposite to that which it is urged by the suction. Further, the elongated vent opening enables the surgeon to apply an adequate amount of suction without completely closing the vent opening so that a flow of air through the branch passage in a direction from the vent opening toward the main passage can be present at all times to resist the flow of blood from the main passage to the vent opening. By preventing blood from reaching the vent opening, the possibility of electric shock or burn at the finger covering the vent opening is substantially eliminated.

Other objects and features of the invention will be come apparent by reference to the following specification and to the drawings.

IN THE DRAWINGS FIG. 1 is a perspective view of a combined electrocoagulator-suction instrument embodying the present invention;

FIG. 2 is a side elevational view of the instrument of FIG. 1 with certain parts broken away and shown in section; and

FIG-3 is a cross sectional view taken on line 3-3 of FIG. 2.

The instrument of the present invention includes an elongate body designated generally 10 which preferably is molded or otherwise formed from a relatively inexpensive electrically non-conductive material. As is usually the case with instruments of this type, the instrument is designed to be disposed of after a single usage and by molding the body from a relatively inexpensive thermoplastic material production costs well within a throw-away category are achieved. A projecting nipple 12 is integrally formed at the rearward end of body 10 and a main flow passage 14 extends through the nipple for the entire length of the body. Nipple 12 is employed to connect passage 14 to a flexible tube 16 whose opposite end is connected to a conventional suction source, not shown. As best seen in FIG. 2, the forward or left hand end 18 of main passage 14 is of reduced diameter and separated from a branch passage 20 which places main passage 14 in communication with an elongate vent opening 22 which opens at the exterior of body 10. The branch passage 20 is located vertically above the main flow passage 14 whereby, during use of the instrument, material contained within the body will flow into the left hand end 18 before it will flow into branch passage 20.

A second passage 24 extends through body 10 from end to end and is dimensioned to receive an electric power cable 26 which is connected to the electrical power supply employed inthe coagulation operation. Insulation is stripped from the end of cable 26 as at 28 and the bared end of the cable is bent back to extend rearwardly into the forward end of main passage section 18. A hollow metal tube 30 is inserted into the front end of main passage section 18, the tube being dimensioned to snugly fit into passage 18 with the exterior wall of the tube clamping the bared end 28 of power cable 26 between the tube wall and the wall of passage section 18 to mechanically seat tube 30 in body 10 and to establish electrical contact between tube 30 and the electric power source. Referring to FIG. 1, it is seen that the entire exposed portion of tube 30 is enclosed by a sheath of electrically non-conductive material 32 with the exception of a relatively short section at the extreme tip of the projecting tube 30.

It will be noted that vent opening 22 takes the form of what might be best described as a narrow elongate slot which is elongated longitudinally of body 10. When suction is supplied to tube 16, with vent opening 22 uncovered, the suction is substantially all vented through opening 22 and little, if any, suction is supplied to the interior of tube 30. When it is desired to suck blood or other body fluids into tube 30, the surgeon places his finger over the righthand or rearward end of opening 22 and slides his finger forward along the opening until the desired degree of suction is achieved. Referring to FIG. 2, it will be seen that fluid flowing through the instrument passes from left to right as viewed in FIG. 2 and that opening 22 is thus offset in an upstream direction from the location at which branch passage opens into main passage 14. Thus, in order for any blood to flow through branch passage 20 toward vent opening 22, the blood must flow in a direction opposite to the direction of flow induced by the suction applied at tube 16. Further, by leaving a portion of vent opening 22 uncovered, the surgeon can assure a flow of air through passage 20 from left to right as viewed in FIG. 2, thus further inhibiting the flow of blood in passage 20. Thus, suction can be applied at the same time current is flowing through tube 30 without risking electrical shock or burn to the portion of the finger exposed over opening 22.

An instrument constructed with the following dimensions has been found to be particularly suitable for use in accordance with the invention hereof:

Location of right end of branch passage 20 2%" from right end of body 10 (as viewed in FIG. 2)

kidney or quarter-moon shaped with rounded corners, the outer circular segment has a radius of Va", the thickness of the wall separating branch passage 20 Cross-sectional configuration of branch passage 20 Location of upstream end of vent opening 22 Diameter of passage section 18' While one embodiment of the invention has been described in detail, it will be apparent to those skilled in the art that the disclosed embodiment may be modified. Therefore, the foregoing description is to be considered exemplary rather than limiting, and the true scope of the invention is that defined in the following claims.

I claim:

1. A combined electrocoagulator-suction instrument comprising an elongate body of electrically nonconductive material having a main flow passage extending longitudinally therethrough, coupling means at one end of said body for connecting said main passage to a source of suction, receiving means at the other end of said passage receiving one end of an electrically conductive tube to place the interior of the tube in fluid communication with said main passage, electrical conductor means in contact with said electrically conductive tube in said receiving means, means defining a branch passage in said body opening into said main passage at a first location intermediate the ends of said main passage, and means defining a vent opening in the exterior of said body, said vent opening being disposed away from said first location in a direction toward said other end of said body, said branch passage communicating with said vent opening.

2. A combined electrocoagulator-suction instrument as defined in claim 1 in which said branch passage is, in cross section, kidney shaped.

3. A combined electrocoagulator-suction instrument comprising an elongate body of electrically nonconductive material having first and second passages extending longitudinally therethrough, coupling means at one end of said body for connecting said first passage to a suction source, electrical conductor means extending through said second passage from said one end of said body and having an exposed electrically conductive end projecting into the end of said first passage adjacent the other end of said body, an elongate tube of electrically conductive material seated in said first passage at said other end of said body in electrical contact with said conductor, means defining a vent opening at the exterior of said body adjacent said other end of said body, means defining a branch passage extending from said vent opening through said body to communicate with said first passage at a location between said vent opening and said one end of said body, said vent opening being adapted to be fully or partially covered by a finger of a person holding said body to regulate the degree of suction in said tube.

4. The invention defined in claim 3 wherein said vent opening is elongated longitudinally of said body.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2888928 *15 Apr 19572 Jun 1959Wright Seiger HarryCoagulating surgical instrument
US3595234 *19 Feb 196927 Jul 1971Sheridan David SVacuum control for medicosurgical suction tube
US3610242 *28 Feb 19695 Oct 1971Sheridan David SMedico-surgical suction systems
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3902494 *30 Apr 19742 Sep 1975ScheererSuction surgical instrument
US3906955 *6 May 197423 Sep 1975Richard R RobertsSurgical cauterizing tool having suction means
US3974833 *22 Jul 197417 Aug 1976Durden Iii John GDisposable electrosurgical cautery having optional suction control feature
US3982541 *29 Jul 197428 Sep 1976Esperance Jr Francis A LEye surgical instrument
US4307720 *26 Jul 197929 Dec 1981Weber Jr JaroyElectrocautery apparatus and method and means for cleaning the same
US4347842 *15 Feb 19807 Sep 1982Mark BealeDisposable electrical surgical suction tube and instrument
US4362166 *4 Nov 19807 Dec 1982Mallinckrodt, Inc.Disposable medical probe and connector
US4686981 *28 Mar 198418 Aug 1987Laszlo ForintosSurgical instrument especially for performing neurosurgical operations
US4813926 *2 May 198821 Mar 1989Sherwood Medical CompanyMedical suction device with air vent and fixed restrictor
US4815462 *6 Apr 198728 Mar 1989Clark Vickie JLipectomy device
US4872454 *7 Feb 198910 Oct 1989Lucas DeOliveiraFluid control electrosurgical device
US4919129 *30 Nov 198724 Apr 1990Celebration Medical Products, Inc.Extendable electrocautery surgery apparatus and method
US4932952 *20 Dec 198812 Jun 1990Alto Development CorporationAntishock, anticlog suction coagulator
US4949734 *25 Aug 198821 Aug 1990Gerald BernsteinShield for electrosurgical device
US5052999 *29 Jan 19901 Oct 1991Klein Jeffrey ALiposuction method and apparatus
US5055100 *19 Jun 19898 Oct 1991Eugene OlsenSuction attachment for electrosurgical instruments or the like
US5085657 *9 Oct 19904 Feb 1992Ben Simhon HaimElectrosurgical instrument
US5123840 *9 May 199123 Jun 1992Colin NatesSurgical apparatus
US5181916 *26 Apr 199126 Jan 1993Sorenson Laboratories, Inc.Surgical probe and smoke eliminator
US5192267 *28 Mar 19919 Mar 1993Nadiv ShapiraVortex smoke remover for electrosurgical devices
US5195959 *31 May 199123 Mar 1993Paul C. SmithElectrosurgical device with suction and irrigation
US5201730 *3 Jan 199213 Apr 1993Surgical Technologies, Inc.Tissue manipulator for use in vitreous surgery combining a fiber optic endoilluminator with an infusion/aspiration system
US5224944 *24 Jun 19926 Jul 1993Elliott Martin PAspiration tip for a cautery handpiece
US5234428 *11 Jun 199110 Aug 1993Kaufman David IDisposable electrocautery/cutting instrument with integral continuous smoke evacuation
US5246440 *13 Sep 199021 Sep 1993Noord Andrew J VanElectrosurgical knife
US5256138 *4 Oct 199026 Oct 1993The Birtcher CorporationElectrosurgical handpiece incorporating blade and conductive gas functionality
US5273524 *9 Oct 199128 Dec 1993Ethicon, Inc.Electrosurgical device
US5314406 *9 Oct 199224 May 1994Symbiosis CorporationEndoscopic electrosurgical suction-irrigation instrument
US5322503 *18 Oct 199121 Jun 1994Desai Ashvin HEndoscopic surgical instrument
US5364395 *14 May 199315 Nov 1994West Jr Hugh SArthroscopic surgical instrument with cauterizing capability
US5366490 *22 Dec 199322 Nov 1994Vidamed, Inc.Medical probe device and method
US5368560 *29 Mar 199329 Nov 1994Medical Development Systems, Inc.Suction nozzle
US5370675 *2 Feb 19936 Dec 1994Vidamed, Inc.Medical probe device and method
US5385544 *14 May 199331 Jan 1995Vidamed, Inc.Medical probe device for medical treatment of the prostate
US5409453 *19 Aug 199325 Apr 1995Vidamed, Inc.Steerable medical probe with stylets
US5421819 *13 May 19936 Jun 1995Vidamed, Inc.Medical probe device
US5435805 *13 May 199325 Jul 1995Vidamed, Inc.Medical probe device with optical viewing capability
US5441503 *14 Jan 199415 Aug 1995Considine; JohnApparatus for removing tumors from hollow organs of the body
US5449356 *18 Oct 199112 Sep 1995Birtcher Medical Systems, Inc.Multifunctional probe for minimally invasive surgery
US5451222 *16 Mar 199419 Sep 1995Desentech, Inc.Smoke evacuation system
US5456662 *9 May 199410 Oct 1995Edwards; Stuart D.Method for medical ablation of tissue
US5470308 *19 Nov 199328 Nov 1995Vidamed, Inc.Medical probe with biopsy stylet
US5470309 *12 Jan 199428 Nov 1995Vidamed, Inc.Medical ablation apparatus utilizing a heated stylet
US5514131 *23 Sep 19947 May 1996Stuart D. EdwardsMethod for the ablation treatment of the uvula
US5520685 *4 Aug 199428 May 1996Alto Development CorporationThermally-insulated anti-clog tip for electrocautery suction tubes
US5542915 *12 Jan 19946 Aug 1996Vidamed, Inc.Thermal mapping catheter with ultrasound probe
US5554110 *12 Jan 199410 Sep 1996Vidamed, Inc.Medical ablation apparatus
US5554112 *8 Jul 199410 Sep 1996Birtcher Medical Systems, Inc.Minimally invasive irrigator/aspirator surgical probe and method of using same
US5556377 *22 Dec 199317 Sep 1996Vidamed, Inc.Medical probe apparatus with laser and/or microwave monolithic integrated circuit probe
US5599294 *7 Oct 19944 Feb 1997Vidamed, Inc.Microwave probe device and method
US5599295 *8 Nov 19954 Feb 1997Vidamed, Inc.Medical probe apparatus with enhanced RF, resistance heating, and microwave ablation capabilities
US5607389 *27 Nov 19954 Mar 1997Vidamed, Inc.Medical probe with biopsy stylet
US5626560 *13 Nov 19956 May 1997Soring Medizintechnik GmbhFor use in medical procedures
US5630794 *23 Sep 199420 May 1997Vidamed, Inc.Catheter tip and method of manufacturing
US5672153 *26 Sep 199430 Sep 1997Vidamed, Inc.Medical probe device and method
US5718709 *6 Jun 199517 Feb 1998Considine; JohnApparatus for removing tumours from hollow organs of the body
US5720718 *6 Jan 199424 Feb 1998Vidamed, Inc.Medical probe apparatus with enhanced RF, resistance heating, and microwave ablation capabilities
US5720719 *26 Sep 199424 Feb 1998Vidamed, Inc.Ablative catheter with conformable body
US5730742 *11 Jan 199624 Mar 1998Alto Development CorporationInclined, flared, thermally-insulated, anti-clog tip for electrocautery suction tubes
US5738648 *23 Jan 199614 Apr 1998Valleylab IncMethod and apparatus for a valve and irrigator
US5788917 *27 May 19974 Aug 1998General Motors CorporationMethod of making a plastic article
US5861002 *26 Apr 199619 Jan 1999Desai; Ashvin H.Endoscopic surgical instrument
US5895370 *7 Jan 199720 Apr 1999Vidamed, Inc.Medical probe (with stylets) device
US5904681 *10 Feb 199718 May 1999Hugh S. West, Jr.Endoscopic surgical instrument with ability to selectively remove different tissue with mechanical and electrical energy
US5951548 *21 Feb 199714 Sep 1999Stephen R. DeSistoSelf-evacuating electrocautery device
US5976129 *22 Apr 19962 Nov 1999Desai; Ashvin H.Endoscopic surgical instrument
US5989249 *29 Apr 199623 Nov 1999Kirwan Surgical Products, Inc.Bipolar suction coagulator
US6022334 *17 Apr 19988 Feb 2000Vidamed, Inc.Medical probe device with optic viewing capability
US6102885 *7 Aug 199715 Aug 2000Bass; Lawrence S.Device for suction-assisted lipectomy and method of using same
US6117134 *14 Feb 199612 Sep 2000Cunningham; James StevenInstrument for suction electrosurgery
US6146353 *22 Sep 199814 Nov 2000Sherwood Services AgSmoke extraction device
US6146380 *9 Jan 199814 Nov 2000Radionics, Inc.Bent tip electrical surgical probe
US6149646 *2 Feb 199921 Nov 2000Linvatec CorporationMonopolar tissue ablator
US620684717 Mar 199927 Mar 2001Vidamed, Inc.Medical probe device
US623159126 Jun 199815 May 20012000 Injectx, Inc.Method of localized fluid therapy
US631242630 May 19976 Nov 2001Sherwood Services AgMethod and system for performing plate type radiofrequency ablation
US63582739 Apr 199919 Mar 2002Oratec Inventions, Inc.Soft tissue heating apparatus with independent, cooperative heating sources
US63793505 Oct 199930 Apr 2002Oratec Interventions, Inc.Surgical instrument for ablation and aspiration
US639102816 May 200021 May 2002Oratec Interventions, Inc.Probe with distally orientated concave curve for arthroscopic surgery
US6458127 *24 Nov 20001 Oct 2002Csaba TruckaiPolymer embolic elements with metallic coatings for occlusion of vascular malformations
US646135725 Jun 19998 Oct 2002Oratec Interventions, Inc.Electrode for electrosurgical ablation of tissue
US646466127 Mar 200115 Oct 2002Vidamed, Inc.Medical probe with stylets
US65243075 Oct 200125 Feb 2003Medtek Devices, Inc.Smoke evacuation apparatus
US65442488 Oct 19998 Apr 2003Starion Instruments CorporationDevice for suction-assisted lipectomy and method of using same
US654426031 Dec 19998 Apr 2003Oratec Interventions, Inc.Method for treating tissue in arthroscopic environment using precooling and apparatus for same
US6564107 *21 Aug 200013 May 2003Cardiac Pacemakers, Inc.Implantable medical leads having electroconductive materials deposited within the lumen of the lead body
US658923719 Jan 20018 Jul 2003Arthrocare Corp.Electrosurgical apparatus and methods for treating tissue
US659599012 May 200022 Jul 2003Arthrocare CorporationSystems and methods for electrosurgical tissue revascularization
US661005925 Feb 200226 Aug 2003Hs West Investments LlcEndoscopic instruments and methods for improved bubble aspiration at a surgical site
US662345423 Jul 199923 Sep 2003Arthrocare Corp.System and method for electrosurgical tissue contraction
US66321935 Jan 200014 Oct 2003Arthrocare CorporationSystems and methods for electrosurgical tissue treatment
US663222012 Nov 199914 Oct 2003Arthrocare Corp.Systems for electrosurgical tissue treatment in conductive fluid
US66452032 Jan 200111 Nov 2003Oratec Interventions, Inc.Surgical instrument with off-axis electrode
US665910610 Jan 20009 Dec 2003Arthrocare CorporationSystem and methods for electrosurgical treatment of turbinates
US66958398 Feb 200124 Feb 2004Oratec Interventions, Inc.Method and apparatus for treatment of disrupted articular cartilage
US671281130 Sep 200230 Mar 2004Arthrocare CorporationMethods for electrosurgical spine surgery
US67266848 Nov 200027 Apr 2004Arthrocare CorporationMethods for electrosurgical spine surgery
US673008124 Nov 19974 May 2004Ashvin H. DesaiEndoscopic surgical instrument
US674644717 Apr 20018 Jun 2004Arthrocare CorporationMethods for ablating tissue
US674721820 Sep 20028 Jun 2004Sherwood Services AgElectrosurgical haptic switch including snap dome and printed circuit stepped contact array
US67575658 Feb 200229 Jun 2004Oratec Interventions, Inc.Electrosurgical instrument having a predetermined heat profile
US676383618 Jun 200220 Jul 2004Arthrocare CorporationMethods for electrosurgical tendon vascularization
US67700719 Feb 20013 Aug 2004Arthrocare CorporationBladed electrosurgical probe
US67720123 May 20013 Aug 2004Arthrocare CorporationMethods for electrosurgical treatment of spinal tissue
US680513027 Apr 200119 Oct 2004Arthrocare CorporationMethods for electrosurgical tendon vascularization
US6827725 *7 May 20027 Dec 2004Gyrus Medical LimitedSurgical instrument
US683788418 Jun 20024 Jan 2005Arthrocare CorporationElectrosurgical apparatus having compound return electrode
US683788725 Jan 20024 Jan 2005Arthrocare CorporationArticulated electrosurgical probe and methods
US683788825 Feb 20024 Jan 2005Arthrocare CorporationElectrosurgical probe with movable return electrode and methods related thereto
US685514312 Dec 200015 Feb 2005Arthrocare CorporationElectrosurgical systems and methods for recanalization of occluded body lumens
US68966721 May 200024 May 2005Arthrocare CorporationMethods for electrosurgical incisions on external skin surfaces
US68966748 Nov 200024 May 2005Arthrocare CorporationElectrosurgical apparatus having digestion electrode and methods related thereto
US691580625 Jan 200112 Jul 2005Arthrocare CorporationMethod for harvesting graft vessel
US69189038 Apr 200319 Jul 2005Starion Instrument CorporationDevice for suction-assisted lipectomy and method of using same
US69208838 Nov 200226 Jul 2005Arthrocare CorporationMethods and apparatus for skin treatment
US693934628 Jun 20026 Sep 2005Oratec Interventions, Inc.Method and apparatus for controlling a temperature-controlled probe
US696020416 Jul 20031 Nov 2005Arthrocare CorporationElectrosurgical method using laterally arranged active electrode
US697445320 Apr 200113 Dec 2005Arthrocare CorporationDual mode electrosurgical clamping probe and related methods
US69867684 Feb 200317 Jan 2006Sherwood Services AgElectrosurgical electrode shroud
US699163113 Feb 200331 Jan 2006Arthrocare CorporationElectrosurgical probe having circular electrode array for ablating joint tissue and systems related thereto
US699794117 Mar 200314 Feb 2006Oratec Interventions, Inc.Method and apparatus for treating annular fissures in intervertebral discs
US70049417 Nov 200228 Feb 2006Arthrocare CorporationSystems and methods for electrosurigical treatment of obstructive sleep disorders
US706006424 Jun 200513 Jun 2006Sherwood Services AgElectrosurgical electrode shroud
US70705963 Oct 20004 Jul 2006Arthrocare CorporationElectrosurgical apparatus having a curved distal section
US709421528 Mar 200322 Aug 2006Arthrocare CorporationSystems and methods for electrosurgical tissue contraction
US710498612 May 200312 Sep 2006Arthrocare CorporationIntervertebral disc replacement method
US71319691 May 20007 Nov 2006Arthrocare CorpSystems and methods for electrosurgical treatment of obstructive sleep disorders
US715074610 Jun 200419 Dec 2006Linvatec CorporationElectrosurgical ablator with integrated aspirator lumen and method of making same
US71568426 Oct 20042 Jan 2007Sherwood Services AgElectrosurgical pencil with improved controls
US715684420 Nov 20032 Jan 2007Sherwood Services AgElectrosurgical pencil with improved controls
US716914320 Oct 200530 Jan 2007Arthrocare CorporationMethods for electrosurgical tissue treatment in electrically conductive fluid
US7169148 *5 Sep 200330 Jan 2007O'halloran Laurence RBeveled tonsil suction cautery dissector
US717925520 Dec 200020 Feb 2007Arthrocare CorporationMethods for targeted electrosurgery on contained herniated discs
US71862345 Feb 20026 Mar 2007Arthrocare CorporationElectrosurgical apparatus and methods for treatment and removal of tissue
US719242820 Mar 200320 Mar 2007Arthrocare CorporationSystems for epidermal tissue ablation
US720175018 May 199910 Apr 2007Arthrocare CorporationSystem for treating articular cartilage defects
US721726824 Jun 200315 May 2007Arthrocare CorporationMethod for electrosurgical tissue treatment near a patient's heart
US722644723 Jun 20045 Jun 2007Smith & Nephew, Inc.Electrosurgical generator
US723507217 Feb 200426 Jun 2007Sherwood Services AgMotion detector for controlling electrosurgical output
US724129313 Nov 200310 Jul 2007Arthrocare CorporationElectrode screen enhanced electrosurgical apparatus and methods for ablating tissue
US724129419 Nov 200310 Jul 2007Sherwood Services AgPistol grip electrosurgical pencil with manual aspirator/irrigator and methods of using the same
US724425610 Jun 200417 Jul 2007Linvatec CorporationElectrosurgical device with adhesive-free insulating piece and method of making same
US72442575 Nov 200317 Jul 2007Sherwood Services AgElectrosurgical pencil having a single button variable control
US726768314 Nov 200311 Sep 2007Oratec Interventions, Inc.Method for treating intervertebral discs
US727065810 Mar 200318 Sep 2007Arthrocare CorporationSystems and methods for electrosurgery
US727065919 Sep 200518 Sep 2007Arthrocare CorporationMethods for electrosurgical treatment of spinal tissue
US72706615 Feb 200218 Sep 2007Arthocare CorporationElectrosurgical apparatus and methods for treatment and removal of tissue
US727606312 Sep 20032 Oct 2007Arthrocare CorporationInstrument for electrosurgical tissue treatment
US728206114 Nov 200316 Oct 2007Oratec Interventions, Inc.Method of treating intervertebral disc
US72971435 Feb 200420 Nov 2007Arthrocare CorporationTemperature indicating electrosurgical apparatus and methods
US729714511 Oct 200520 Nov 2007Arthrocare CorporationBipolar electrosurgical clamp for removing and modifying tissue
US73065985 Jun 200311 Dec 2007Dfine, Inc.Polymer matrix devices for treatment of vascular malformations
US73188233 Jul 200315 Jan 2008Arthrocare CorporationMethods for repairing damaged intervertebral discs
US73319562 Aug 200619 Feb 2008Arthrocare CorporationMethods and apparatus for treating back pain
US733195714 Feb 200319 Feb 2008Arthrocare CorporationElectrosurgical apparatus and methods for laparoscopy
US735779813 May 200315 Apr 2008Arthrocare CorporationSystems and methods for electrosurgical prevention of disc herniations
US738762512 Mar 200417 Jun 2008Arthrocare CorporationMethods and apparatus for treating intervertebral discs
US739335118 Jun 20021 Jul 2008Arthrocare CorporationApparatus and methods for treating cervical inter-vertebral discs
US739335423 Jul 20031 Jul 2008Sherwood Services AgElectrosurgical pencil with drag sensing capability
US740093014 Nov 200315 Jul 2008Oratec Interventions, Inc.Method for treating intervertebral discs
US74194883 Jan 20052 Sep 2008Arthrocare CorporationElectrosurgical probe with movable return electrode and methods related thereto
US74225856 Jul 19999 Sep 2008Arthrocare CorporationSystem for electrosurgical myocardial revascularization
US742926019 Dec 200630 Sep 2008Arthrocare CorporationSystems and methods for electrosurgical tissue contraction within the spine
US742926228 Feb 200130 Sep 2008Arthrocare CorporationApparatus and methods for electrosurgical ablation and resection of target tissue
US7435247 *27 Jun 200214 Oct 2008Arthrocare CorporationSystems and methods for electrosurgical tissue treatment
US744219126 Sep 200128 Oct 2008Arthrocare CorporationSystems and methods for electrosurgical treatment of turbinates
US744561824 Jan 20074 Nov 2008Arthrocare CorporationMethods for tissue ablation using pulsed energy
US744902125 Apr 200511 Nov 2008Arthrocare CorporationSystems and methods for electrosurgical tissue contraction within the spine
US746217618 Jul 20059 Dec 2008Starion Instruments CorporationDevice for suction-assisted lipectomy and method of using same
US746217817 Sep 20079 Dec 2008Arthrocare CorporationSystems and methods for electrosurgical spine surgery
US74680599 Feb 200723 Dec 2008Arthrocare CorporationSystem and method for epidermal tissue ablation
US749120025 Mar 200517 Feb 2009Arthrocare CorporationMethod for treating obstructive sleep disorder includes removing tissue from base of tongue
US750097428 Jun 200510 Mar 2009Covidien AgElectrode with rotatably deployable sheath
US75039175 Aug 200517 Mar 2009Covidien AgElectrosurgical pencil with improved controls
US750581216 Jul 199917 Mar 2009Arthrocare CorporationElectrosurgical system for treating restenosis of body lumens
US75072366 Apr 200724 Mar 2009Arthrocare CorporationSystem and method for electrosurgical cutting and ablation
US754942419 Nov 200223 Jun 2009Pro Surg, Inc.Method and apparatus for tissue treatment with laser and electromagnetic radiation
US75696262 Mar 20044 Aug 2009Dfine, Inc.Polymer composites for biomedical applications and methods of making
US75722516 Dec 199911 Aug 2009Arthrocare CorporationSystems and methods for electrosurgical tissue treatment
US758224418 Apr 20061 Sep 2009Covidien AgElectrosurgical electrode shroud
US762190912 Jun 200824 Nov 2009Covidien AgElectrosurgical pencil with drag sensing capability
US76322676 Jul 200515 Dec 2009Arthrocare CorporationFuse-electrode electrosurgical apparatus
US764712331 Oct 200712 Jan 2010Oratec Interventions, Inc.Method for treating intervertebral discs
US765500322 Jun 20052 Feb 2010Smith & Nephew, Inc.Electrosurgical power control
US76780692 Jun 200016 Mar 2010Arthrocare CorporationSystem for electrosurgical tissue treatment in the presence of electrically conductive fluid
US76911016 Jan 20066 Apr 2010Arthrocare CorporationElectrosurgical method and system for treating foot ulcer
US77042499 May 200527 Apr 2010Arthrocare CorporationApparatus and methods for electrosurgical ablation and resection of target tissue
US770873320 Oct 20044 May 2010Arthrocare CorporationElectrosurgical method and apparatus for removing tissue within a bone body
US77132569 Apr 200711 May 2010Becton, Dickinson And CompanySystem and method of delivering local anesthesia
US77132579 Apr 200711 May 2010Becton, Dickinson And CompanySystem and method of delivering local anesthesia
US771791219 Nov 200718 May 2010Arthrocare CorporationBipolar electrosurgical clamp for removing and modifying tissue
US775853716 Apr 199920 Jul 2010Arthrocare CorporationSystems and methods for electrosurgical removal of the stratum corneum
US77611884 Apr 200620 Jul 2010Medtek Devices, Inc.Fluid evacuation system with two-way communication filter
US776684421 Apr 20043 Aug 2010Smith & Nephew, Inc.Surgical instrument aspiration valve
US779445610 Apr 200814 Sep 2010Arthrocare CorporationSystems and methods for electrosurgical intervertebral disc replacement
US781986317 Nov 200826 Oct 2010Arthrocare CorporationSystem and method for electrosurgical cutting and ablation
US78243989 Jan 20032 Nov 2010Arthrocare CorporationElectrosurgical systems and methods for removing and modifying tissue
US782440515 Feb 20082 Nov 2010Arthrocare CorporationElectrosurgical apparatus and methods for laparoscopy
US782879425 Aug 20059 Nov 2010Covidien AgHandheld electrosurgical apparatus for controlling operating room equipment
US786256023 Mar 20074 Jan 2011Arthrocare CorporationAblation apparatus having reduced nerve stimulation and related methods
US787903324 Jan 20061 Feb 2011Covidien AgElectrosurgical pencil with advanced ES controls
US78790342 Mar 20061 Feb 2011Arthrocare CorporationInternally located return electrode electrosurgical apparatus, system and method
US789223024 Jun 200522 Feb 2011Arthrocare CorporationElectrosurgical device having planar vertical electrode and related methods
US79014032 Mar 20078 Mar 2011Arthrocare CorporationInternally located return electrode electrosurgical apparatus, system and method
US792295830 Jun 201012 Apr 2011Becton, Dickinson And CompanyMethod of making an elongate syringe barrel
US79511419 Aug 201031 May 2011Arthrocare CorporationSystems and methods for electrosurgical intervertebral disc replacement
US79553278 Jan 20077 Jun 2011Covidien AgMotion detector for controlling electrosurgical output
US795963318 Dec 200614 Jun 2011Covidien AgElectrosurgical pencil with improved controls
US798868917 Sep 20072 Aug 2011Arthrocare CorporationElectrosurgical apparatus and methods for treatment and removal of tissue
US801215316 Jul 20046 Sep 2011Arthrocare CorporationRotary electrosurgical apparatus and methods thereof
US801682421 Oct 200913 Sep 2011Covidien AgElectrosurgical pencil with drag sensing capability
US805267521 Jan 20108 Nov 2011Smith & Nephew, Inc.Electrosurgical power control
US80952418 Jun 201010 Jan 2012Medtek Devices, Inc.Fluid evacuation system with two-way communication filter
US810090230 Jan 200924 Jan 2012Covidien AgElectrode with rotatably deployable sheath
US811407129 May 200714 Feb 2012Arthrocare CorporationHard tissue ablation system
US81286229 Jul 20076 Mar 2012Covidien AgElectrosurgical pencil having a single button variable control
US816293727 Jun 200824 Apr 2012Tyco Healthcare Group LpHigh volume fluid seal for electrosurgical handpiece
US81872726 Oct 200629 May 2012Biomedcraft Designs, Inc.Surgical instrument for coagulation and suction
US818731215 Oct 200729 May 2012Neurotherm, Inc.Method for treating intervertebral disc
US81924244 Jan 20085 Jun 2012Arthrocare CorporationElectrosurgical system with suction control apparatus, system and method
US822669715 Oct 200724 Jul 2012Neurotherm, Inc.Method for treating intervertebral disc
US823162010 Feb 200931 Jul 2012Tyco Healthcare Group LpExtension cutting blade
US8231622 *30 Jul 201031 Jul 2012Karl Storz Gmbh & Co. KgBipolar coagulation instrument
US823598721 Nov 20087 Aug 2012Tyco Healthcare Group LpThermal penetration and arc length controllable electrosurgical pencil
US825735017 Jun 20094 Sep 2012Arthrocare CorporationMethod and system of an electrosurgical controller with wave-shaping
US82928879 Feb 201123 Oct 2012Arthrocare CorporationInternally located return electrode electrosurgical apparatus, system and method
US831778625 Sep 200927 Nov 2012AthroCare CorporationSystem, method and apparatus for electrosurgical instrument with movable suction sheath
US832327925 Sep 20094 Dec 2012Arthocare CorporationSystem, method and apparatus for electrosurgical instrument with movable fluid delivery sheath
US8328804 *24 Jul 200811 Dec 2012Covidien LpSuction coagulator
US834893423 Sep 20118 Jan 2013Smith & Nephew, Inc.Electrosurgical power control
US835390718 Dec 200815 Jan 2013Atricure, Inc.Ablation device with internally cooled electrodes
US835579912 Dec 200815 Jan 2013Arthrocare CorporationSystems and methods for limiting joint temperature
US83720679 Dec 200912 Feb 2013Arthrocare CorporationElectrosurgery irrigation primer systems and methods
US84446386 Jan 201221 May 2013Arthrocare CorporationHard tissue ablation system
US844954010 Feb 200928 May 2013Covidien AgElectrosurgical pencil with improved controls
US846028923 Jan 201211 Jun 2013Covidien AgElectrode with rotatably deployable sheath
US850656523 Aug 200713 Aug 2013Covidien LpElectrosurgical device with LED adapter
US856840515 Oct 201029 Oct 2013Arthrocare CorporationElectrosurgical wand and related method and system
US85741879 Mar 20095 Nov 2013Arthrocare CorporationSystem and method of an electrosurgical controller with output RF energy control
US859150923 Jun 200826 Nov 2013Covidien LpElectrosurgical pencil including improved controls
US859729227 Feb 20093 Dec 2013Covidien LpElectrosurgical pencil including improved controls
US86030825 Dec 201210 Dec 2013Smith & Nephew, Inc.Electrosurgical power control
US860866630 Jul 201017 Dec 2013Smith & Nephew, Inc.Surgical instrument aspiration valve
US863253623 Jun 200821 Jan 2014Covidien LpElectrosurgical pencil including improved controls
US86366855 May 200928 Jan 2014Arthrocare CorporationElectrosurgical method and system for treating foot ulcer
US863673326 Feb 200928 Jan 2014Covidien LpElectrosurgical pencil including improved controls
US86631525 May 20094 Mar 2014Arthrocare CorporationElectrosurgical method and system for treating foot ulcer
US86631535 May 20094 Mar 2014Arthrocare CorporationElectrosurgical method and system for treating foot ulcer
US86631545 May 20094 Mar 2014Arthrocare CorporationElectrosurgical method and system for treating foot ulcer
US86632161 Oct 20074 Mar 2014Paul O. DavisonInstrument for electrosurgical tissue treatment
US866321823 Jun 20084 Mar 2014Covidien LpElectrosurgical pencil including improved controls
US866321923 Jun 20084 Mar 2014Covidien LpElectrosurgical pencil including improved controls
US866868817 Jul 201211 Mar 2014Covidien AgSoft tissue RF transection and resection device
US868501815 Oct 20101 Apr 2014Arthrocare CorporationElectrosurgical wand and related method and system
US869665930 Apr 201015 Apr 2014Arthrocare CorporationElectrosurgical system and method having enhanced temperature measurement
US874711127 Apr 201110 Jun 20143M Innovative Properties CompanySuction handle, suction handle assembly, and oral care systems comprising same
US87473996 Apr 201010 Jun 2014Arthrocare CorporationMethod and system of reduction of low frequency muscle stimulation during electrosurgical procedures
US874740013 Aug 200810 Jun 2014Arthrocare CorporationSystems and methods for screen electrode securement
US874740120 Jan 201110 Jun 2014Arthrocare CorporationSystems and methods for turbinate reduction
US880170520 Apr 201012 Aug 2014Arthrocare CorporationElectrosurgical method and apparatus for removing tissue within a bone body
US880828710 Dec 201219 Aug 2014Covidien LpSuction coagulator
USRE401569 Oct 200318 Mar 2008Arthrocare CorporationMethods for repairing damaged intervertebral discs
DE4038633A1 *4 Dec 199011 Jun 1992Storz KarlRinsing and suction medical instrument esp. for operations - has slide valve housing easily releasable from HF plug housing
DE4038633C2 *4 Dec 199026 Jun 2003Storz Karl Gmbh & Co KgVorrichtung zum Spülen und Absaugen von Operationsgebieten
DE19701328A1 *16 Jan 199724 Jul 1997Valleylab IncRinsing device for surgical use
EP0457220A1 *10 May 199121 Nov 1991Colin Dr. NatesSuction devices
EP0518051A1 *8 May 199216 Dec 1992Richard Wolf GmbHCoagulation suction and irrigation device
EP0763366A1 *11 Sep 199619 Mar 1997Megadyne Medical Products, Inc.Suction coagulator bending tool
WO1984003829A1 *28 Mar 198411 Oct 1984Koezponti Valto HitelbankSurgical instrument especially for performing neurosurgical operations
Classifications
U.S. Classification604/20, 606/49, 604/902, 604/119
International ClassificationA61B18/14, A61M1/00
Cooperative ClassificationA61B18/1402, Y10S604/902, A61M1/0047
European ClassificationA61B18/14B, A61M1/00H10B4