CA2218519A1 - Loop electrodes for electrocautery probes for use with a resectoscope - Google Patents
Loop electrodes for electrocautery probes for use with a resectoscopeInfo
- Publication number
- CA2218519A1 CA2218519A1 CA002218519A CA2218519A CA2218519A1 CA 2218519 A1 CA2218519 A1 CA 2218519A1 CA 002218519 A CA002218519 A CA 002218519A CA 2218519 A CA2218519 A CA 2218519A CA 2218519 A1 CA2218519 A1 CA 2218519A1
- Authority
- CA
- Canada
- Prior art keywords
- electrode
- resectoscope
- loop
- sharp
- proximal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/149—Probes or electrodes therefor bow shaped or with rotatable body at cantilever end, e.g. for resectoscopes, or coagulating rollers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1485—Probes or electrodes therefor having a short rigid shaft for accessing the inner body through natural openings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00607—Coagulation and cutting with the same instrument
Abstract
An electrocautery probe (112) includes a distal loop electrode (122) mounted between a pair of arms (123, 125) which are joined at their proximal ends to an electrode lead (127), and a mounting sleeve (129) for slidable coupling the probe to the guide tube (14) of a resectoscope (10). The loop electrode is formed with a relatively broad lower surface defining a sharp distal edge (122a) and a sharp proximal edge (122b). The electrode may have a triangular cross section or a cross section which is defined by an upper convex surface and a lower flat surface. Tests have demonstrated that the electrode according to the invention is approximately 90 % more effective in coagulation than the known loop electrodes. It is believed that the sharp distal and proximal edges aid in cutting and focus cautery current to this effect while the relatively broad base serves to enhance coagulation.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/425,386 | 1995-04-20 | ||
US08/425,386 US5569244A (en) | 1995-04-20 | 1995-04-20 | Loop electrodes for electrocautery probes for use with a resectoscope |
PCT/US1996/005491 WO1996032898A1 (en) | 1995-04-20 | 1996-04-19 | Loop electrodes for electrocautery probes for use with a resectoscope |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2218519A1 true CA2218519A1 (en) | 1996-10-24 |
CA2218519C CA2218519C (en) | 2001-07-03 |
Family
ID=23686338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002218519A Expired - Fee Related CA2218519C (en) | 1995-04-20 | 1996-04-19 | Loop electrodes for electrocautery probes for use with a resectoscope |
Country Status (7)
Country | Link |
---|---|
US (1) | US5569244A (en) |
EP (1) | EP0955921B1 (en) |
JP (1) | JP3490454B2 (en) |
AU (1) | AU5560196A (en) |
CA (1) | CA2218519C (en) |
DE (1) | DE69629501T2 (en) |
WO (1) | WO1996032898A1 (en) |
Families Citing this family (65)
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US6193672B1 (en) | 1993-05-11 | 2001-02-27 | Mectra Labs, Inc. | Lavage |
US6032673A (en) * | 1994-10-13 | 2000-03-07 | Femrx, Inc. | Methods and devices for tissue removal |
US5957923A (en) * | 1995-04-20 | 1999-09-28 | Symbiosis Corporation | Loop electrodes for electrocautery probes for use with a resectoscope |
US5993445A (en) * | 1995-05-22 | 1999-11-30 | Advanced Closure Systems, Inc. | Resectoscope electrode assembly with simultaneous cutting and coagulation |
US6015406A (en) | 1996-01-09 | 2000-01-18 | Gyrus Medical Limited | Electrosurgical instrument |
US6780180B1 (en) | 1995-06-23 | 2004-08-24 | Gyrus Medical Limited | Electrosurgical instrument |
US6293942B1 (en) | 1995-06-23 | 2001-09-25 | Gyrus Medical Limited | Electrosurgical generator method |
CA2224975A1 (en) | 1995-06-23 | 1997-01-09 | Gyrus Medical Limited | An electrosurgical instrument |
AU710619B2 (en) | 1995-06-23 | 1999-09-23 | Gyrus Medical Limited | An electrosurgical instrument |
US7384423B1 (en) | 1995-07-13 | 2008-06-10 | Origin Medsystems, Inc. | Tissue dissection method |
US5782829A (en) * | 1995-12-06 | 1998-07-21 | Northgate Technologies Incorporated | Resectoscope electrode assembly and methods of use |
DE19548493A1 (en) * | 1995-12-22 | 1997-06-26 | Storz Karl Gmbh & Co | HF electrode for a monopolar working HF instrument |
US6090106A (en) | 1996-01-09 | 2000-07-18 | Gyrus Medical Limited | Electrosurgical instrument |
US6013076A (en) | 1996-01-09 | 2000-01-11 | Gyrus Medical Limited | Electrosurgical instrument |
US5766168A (en) * | 1996-01-11 | 1998-06-16 | Northgate Technologies, Inc. | Perforated resectoscope electrode assembly |
US5941876A (en) * | 1996-03-11 | 1999-08-24 | Medical Scientific, Inc. | Electrosurgical rotating cutting device |
US6033400A (en) * | 1996-04-19 | 2000-03-07 | Circon Corporation | Shaped electrode for a resectoscope |
US5919189A (en) * | 1996-05-21 | 1999-07-06 | Benderev; Theodore V. | Electrosurgical instrument and method of use |
US5733283A (en) * | 1996-06-05 | 1998-03-31 | Malis; Jerry L. | Flat loop bipolar electrode tips for electrosurgical instrument |
GB2314274A (en) | 1996-06-20 | 1997-12-24 | Gyrus Medical Ltd | Electrode construction for an electrosurgical instrument |
GB9612993D0 (en) | 1996-06-20 | 1996-08-21 | Gyrus Medical Ltd | Electrosurgical instrument |
US6565561B1 (en) | 1996-06-20 | 2003-05-20 | Cyrus Medical Limited | Electrosurgical instrument |
WO1998000070A1 (en) * | 1996-07-02 | 1998-01-08 | Femrx, Inc. | Preferentially insulated electrodes and methods for use in a hollow viscous filled with a physiologic fluid |
US6126682A (en) | 1996-08-13 | 2000-10-03 | Oratec Interventions, Inc. | Method for treating annular fissures in intervertebral discs |
US6461357B1 (en) * | 1997-02-12 | 2002-10-08 | Oratec Interventions, Inc. | Electrode for electrosurgical ablation of tissue |
US5746746A (en) * | 1996-08-30 | 1998-05-05 | Garito; Jon C. | Electrosurgical electrode and method for skin resurfacing |
GB9626512D0 (en) | 1996-12-20 | 1997-02-05 | Gyrus Medical Ltd | An improved electrosurgical generator and system |
US5919190A (en) * | 1996-12-20 | 1999-07-06 | Vandusseldorp; Gregg A. | Cutting loop for an electrocautery probe |
US5906615A (en) * | 1997-03-31 | 1999-05-25 | Femrx, Inc. | Serpentine ablation/coagulation electrode |
US5876340A (en) * | 1997-04-17 | 1999-03-02 | Irvine Biomedical, Inc. | Ablation apparatus with ultrasonic imaging capabilities |
US6191365B1 (en) | 1997-05-02 | 2001-02-20 | General Science And Technology Corp | Medical devices incorporating at least one element made from a plurality of twisted and drawn wires |
AUPO716597A0 (en) * | 1997-06-04 | 1997-07-03 | Nathan Surgicals Pty Ltd | Procedure for removal of highly vascularised tissue |
AU7727798A (en) * | 1997-06-06 | 1998-12-21 | Medical Scientific, Inc. | Selectively coated electrosurgical instrument |
US5925040A (en) * | 1997-06-18 | 1999-07-20 | Medical Scientific, Inc. | Electrosurgical instrument having a segmented roller electrode |
US6494881B1 (en) * | 1997-09-30 | 2002-12-17 | Scimed Life Systems, Inc. | Apparatus and method for electrode-surgical tissue removal having a selectively insulated electrode |
WO1999037227A1 (en) | 1998-01-26 | 1999-07-29 | Boston Scientific Limited | Tissue resection using resistance heating |
GB9807303D0 (en) | 1998-04-03 | 1998-06-03 | Gyrus Medical Ltd | An electrode assembly for an electrosurgical instrument |
US6080152A (en) * | 1998-06-05 | 2000-06-27 | Medical Scientific, Inc. | Electrosurgical instrument |
US6976957B1 (en) | 1998-06-22 | 2005-12-20 | Origin Medsystems, Inc. | Cannula-based surgical instrument and method |
US7326178B1 (en) | 1998-06-22 | 2008-02-05 | Origin Medsystems, Inc. | Vessel retraction device and method |
US6830546B1 (en) | 1998-06-22 | 2004-12-14 | Origin Medsystems, Inc. | Device and method for remote vessel ligation |
EP0979635A2 (en) | 1998-08-12 | 2000-02-16 | Origin Medsystems, Inc. | Tissue dissector apparatus |
US6136014A (en) * | 1998-09-01 | 2000-10-24 | Vivant Medical, Inc. | Percutaneous tissue removal device |
US6036698A (en) | 1998-10-30 | 2000-03-14 | Vivant Medical, Inc. | Expandable ring percutaneous tissue removal device |
US6193715B1 (en) | 1999-03-19 | 2001-02-27 | Medical Scientific, Inc. | Device for converting a mechanical cutting device to an electrosurgical cutting device |
US6416513B1 (en) * | 2000-10-12 | 2002-07-09 | Scott Dresden | Configurable electrode instrument for use in loop electrical excision procedures |
US6558313B1 (en) | 2000-11-17 | 2003-05-06 | Embro Corporation | Vein harvesting system and method |
US6743228B2 (en) | 2001-09-12 | 2004-06-01 | Manoa Medical, Inc. | Devices and methods for tissue severing and removal |
US8066700B2 (en) | 2003-01-31 | 2011-11-29 | Smith & Nephew, Inc. | Cartilage treatment probe |
US7951142B2 (en) * | 2003-01-31 | 2011-05-31 | Smith & Nephew, Inc. | Cartilage treatment probe |
US7704249B2 (en) | 2004-05-07 | 2010-04-27 | Arthrocare Corporation | Apparatus and methods for electrosurgical ablation and resection of target tissue |
JP4675329B2 (en) * | 2004-10-05 | 2011-04-20 | オリンパス株式会社 | High frequency treatment device |
US9770230B2 (en) | 2006-06-01 | 2017-09-26 | Maquet Cardiovascular Llc | Endoscopic vessel harvesting system components |
AU2007269696B2 (en) * | 2006-07-06 | 2013-07-25 | Leroy L. Yates | Resecting device |
WO2009073619A2 (en) * | 2007-11-30 | 2009-06-11 | New England Association Of Gynecologic Laparoscopists, Llp | Transcervical excision and removal of tissue |
US20100286688A1 (en) * | 2009-05-08 | 2010-11-11 | Hughett Sr James David | Flexible ablation clamp |
US9474438B2 (en) * | 2010-05-28 | 2016-10-25 | Gyrus Acmi, Inc. | Continuous flow endoscope systems |
GB2492325B (en) | 2011-06-23 | 2016-06-22 | Gyrus Medical Ltd | Electrosurgical electrode |
FR3023157B1 (en) * | 2014-07-06 | 2019-01-25 | Ab Medica | DEVICE FOR REALIZING THE RESECTION OF AN ORGAN IN A CAVITY OF A LIVING BODY |
US10813685B2 (en) | 2014-09-25 | 2020-10-27 | Covidien Lp | Single-handed operable surgical instrument including loop electrode with integrated pad electrode |
US20170189053A1 (en) * | 2015-12-31 | 2017-07-06 | Terumo Kabushiki Kaisha | Medical device and method |
WO2020152780A1 (en) * | 2019-01-22 | 2020-07-30 | オリンパス株式会社 | High-frequency electrode member |
JP1638469S (en) * | 2019-02-03 | 2019-08-05 | ||
CN111134838A (en) * | 2019-09-05 | 2020-05-12 | 珠海市司迈科技有限公司 | Transurethral prostate operation plow-shaped electrode and use method thereof |
Family Cites Families (43)
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US1963636A (en) * | 1934-06-19 | Endqscopic instrument and elec | ||
US2090923A (en) * | 1937-08-24 | Electrodic endoscopic instrtjment | ||
US1930214A (en) * | 1931-03-23 | 1933-10-10 | Wappler Frederick Charles | Surgical electrode |
US1971024A (en) * | 1932-01-25 | 1934-08-21 | Wappler Frederick Charles | Instrument for electrosurgical resection |
US2011169A (en) * | 1932-04-13 | 1935-08-13 | Wappler Frederick Charles | Forcipated surgical electrode |
US2004559A (en) * | 1932-11-22 | 1935-06-11 | Wappler Frederick Charles | Method and instrument for electrosurgical treatment of tissue |
US2002594A (en) * | 1933-03-24 | 1935-05-28 | Wappler Frederick Charles | Instrument for electro-surgical treatment of tissue |
US2224464A (en) * | 1936-09-03 | 1940-12-10 | Firm Georg Wolf G M B H | Thoracoscope |
US2484059A (en) * | 1945-07-10 | 1949-10-11 | American Cystoscope Makers Inc | Electrosurgical resecting instrument |
US2487502A (en) * | 1945-09-26 | 1949-11-08 | American Cystoscope Makers Inc | Instrument for electrosurgical resection |
US2815757A (en) * | 1956-01-18 | 1957-12-10 | Elmer A Piar | Medical electrode |
US3149633A (en) * | 1961-06-15 | 1964-09-22 | Frank G Zingale | Resectoscope |
US3752159A (en) * | 1971-05-03 | 1973-08-14 | American Cystoscope Makers Inc | Resectoscope cutting electrode |
US3856015A (en) * | 1972-01-21 | 1974-12-24 | J Iglesias | Stabilized cutting loop for resectoscope |
US3973568A (en) * | 1972-01-21 | 1976-08-10 | Iglesias Jose J | Stabilized cutting loop for resectoscope with unimpaired vision of the operative field |
US3990456A (en) * | 1975-04-22 | 1976-11-09 | Iglesias Jose J | Anti-arcing resectoscope loop |
DE2521719C2 (en) * | 1975-05-15 | 1985-06-20 | Delma, Elektro- Und Medizinische Apparatebaugesellschaft Mbh, 7200 Tuttlingen | Electrosurgical device |
DE2525982C3 (en) * | 1975-06-11 | 1978-03-09 | Richard Wolf Gmbh, 7134 Knittlingen | Cutting electrode for resectoscopes |
US4134406A (en) * | 1976-10-19 | 1979-01-16 | Iglesias Jose J | Cutting loop for suction resectoscopes |
US4149538A (en) * | 1977-08-15 | 1979-04-17 | American Hospital Supply Corporation | Resectoscope electrode assembly with non-conductive bearing tube and method of making the same |
GB2053691B (en) * | 1979-07-24 | 1983-04-27 | Wolf Gmbh Richard | Endoscopes |
DE3223361A1 (en) * | 1982-06-23 | 1983-12-29 | Olympus Winter & Ibe GmbH, 2000 Hamburg | HIGH-FREQUENCY RESECTOSCOPE WITH INSULATION TIP |
US4657018A (en) * | 1983-08-19 | 1987-04-14 | Hakky Said I | Automatic/manual resectoscope |
JPS60106603U (en) * | 1983-12-26 | 1985-07-20 | オリンパス光学工業株式会社 | resect scope |
DE3603758A1 (en) * | 1985-02-09 | 1986-08-14 | Olympus Optical Co., Ltd., Tokio/Tokyo | RESECTOSCOPE DEVICE |
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DE3916161A1 (en) * | 1989-05-18 | 1990-11-22 | Wolf Gmbh Richard | ELECTROSURGICAL INSTRUMENT |
US5080660A (en) * | 1990-05-11 | 1992-01-14 | Applied Urology, Inc. | Electrosurgical electrode |
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DE4032601A1 (en) * | 1990-10-15 | 1992-04-16 | Winter & Ibe Olympus | CUTTING ELECTRODE FOR MEDICAL RESECTOSCOPE |
US5324288A (en) * | 1991-04-30 | 1994-06-28 | Utah Medical Products, Inc. | Electrosurgical loop with a depth gauge |
US5395312A (en) * | 1991-10-18 | 1995-03-07 | Desai; Ashvin | Surgical tool |
US5318564A (en) * | 1992-05-01 | 1994-06-07 | Hemostatic Surgery Corporation | Bipolar surgical snare and methods of use |
US5376087A (en) * | 1992-08-21 | 1994-12-27 | Habley Medical Technology Corporation | Multiple function cauterizing instrument |
US5342357A (en) * | 1992-11-13 | 1994-08-30 | American Cardiac Ablation Co., Inc. | Fluid cooled electrosurgical cauterization system |
US5354296A (en) * | 1993-03-24 | 1994-10-11 | Symbiosis Corporation | Electrocautery probe with variable morphology electrode |
US5395368A (en) * | 1993-05-20 | 1995-03-07 | Ellman; Alan G. | Multiple-wire electrosurgical electrodes |
US5395363A (en) * | 1993-06-29 | 1995-03-07 | Utah Medical Products | Diathermy coagulation and ablation apparatus and method |
US5374188A (en) * | 1993-07-19 | 1994-12-20 | Bei Medical Systems, Inc. | Electro-surgical instrument and method for use with dental implantations |
US5397320A (en) * | 1994-03-03 | 1995-03-14 | Essig; Mitchell N. | Dissecting surgical device and associated method |
-
1995
- 1995-04-20 US US08/425,386 patent/US5569244A/en not_active Expired - Lifetime
-
1996
- 1996-04-19 WO PCT/US1996/005491 patent/WO1996032898A1/en active IP Right Grant
- 1996-04-19 JP JP53196296A patent/JP3490454B2/en not_active Expired - Fee Related
- 1996-04-19 EP EP96912949A patent/EP0955921B1/en not_active Expired - Lifetime
- 1996-04-19 AU AU55601/96A patent/AU5560196A/en not_active Abandoned
- 1996-04-19 CA CA002218519A patent/CA2218519C/en not_active Expired - Fee Related
- 1996-04-19 DE DE69629501T patent/DE69629501T2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3490454B2 (en) | 2004-01-26 |
DE69629501T2 (en) | 2004-06-24 |
DE69629501D1 (en) | 2003-09-18 |
JPH11501240A (en) | 1999-02-02 |
WO1996032898A1 (en) | 1996-10-24 |
EP0955921A1 (en) | 1999-11-17 |
AU5560196A (en) | 1996-11-07 |
CA2218519C (en) | 2001-07-03 |
US5569244A (en) | 1996-10-29 |
EP0955921A4 (en) | 1999-11-17 |
EP0955921B1 (en) | 2003-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |