WO2001006942A1 - Method for treating a sphincter - Google Patents
Method for treating a sphincter Download PDFInfo
- Publication number
- WO2001006942A1 WO2001006942A1 PCT/US2000/017734 US0017734W WO0106942A1 WO 2001006942 A1 WO2001006942 A1 WO 2001006942A1 US 0017734 W US0017734 W US 0017734W WO 0106942 A1 WO0106942 A1 WO 0106942A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sphincter
- energy
- delivery device
- energy delivery
- arm
- Prior art date
Links
- 0 CC=C1C#C*CC1 Chemical compound CC=C1C#C*CC1 0.000 description 1
Classifications
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Definitions
- This invention relates generally to a method for the treatment of sphincters, and more specifically to a method that treats esophageal sphincters.
- FIG. 13 is a lateral view illustrating the use of an insulation segment on the needle electrode to protect an area of tissue from RF energy.
- FIG. 16 is a cross sectional view illustrating the configuration of a basket arm aperture used to select and maintain a penetration angle of the needle electrode into the sphincter wall.
- FIG. 17 is a lateral view illustrating placement of needle electrodes into the sphincter wall by advancement of an electrode delivery member directly out of the distal end of the shaft.
- arms 44 are of a sufficient number (two or more) , and have sufficient spring force (0.01 to 0.5 lbs. force) so as to collectively exert adequate force on sphincter wall 26 to sufficiently open and efface the folds of sphincter 16 to allow treatment with sphincter treatment apparatus 10, while preventing herniation of sphincter wall 26 into the spaces 53 between arms 44.
- Suitable materials for arms 44 include, but are not limited to, spring steel, stainless steel, superelastic shape memory metals such as nitinol or wire reinforced plastic tubing as is well known to those skilled in the art.
- emergence angle 96 of apertures 64 which can vary from 1 to 90°
- arc radius 98 of the curved section 100 of aperture 64 which can vary from 0.001 to 2 inch
- amount of clearance between the aperture inner diameter 102 and the needle electrode outside diameter 104 which can vary between 0.001"
- use of a lubricous coating on electrode delivery member 60 such as a Teflon ® or other coating s well known to those skilled in the art.
- insulated segment 94 can be in the form of a sleeve that may be adjustably positioned at the exterior of electrode 90.
- the delivery of energy to treatment site 12 can be conducted under feedback control, manually or by a combination of both.
- Feedback control (described herein) enables sphincter treatment apparatus 10 to be positioned and retained in the esophagus during treatment with minimal attention by the physician.
- Electrodes 88 can be muliplexed in order to treat the entire targeted treatment site 12 or only a portion thereof.
- Feedback can be included and is achieved by the use of one or more of the following methods: (i) visualization, (ii) impedance measurement, ⁇ iii) ultrasonography, (iv) temperature measurement; and, (v) sphincter contractile force measurement via manometry.
- RF electrode 314 Current delivered through RF electrode 314 is measured by current sensor 396. Voltage is measured by voltage sensor 398. Impedance and power are then calculated at power and impedance calculation device 400. These values can then be displayed at user interface and display 402. Signals representative of power and impedance values are received by a controller 404. A control signal is generated by controller 404 that is proportional to the difference between an actual measured value, and a desired value. The control signal is used by power circuits 406 to adjust the power output in an appropriate amount in order to maintain the desired power delivered at respective RF electrodes 314.
- FIG. 32 illustrates a block diagram of a temperature and impedance feedback system that can be used to control the delivery of energy to tissue site 416 by energy source 392 and the delivery of cooling solution 70 to electrode 314 and/or tissue site 416 by flow regulator 418. Energy is delivered to RF electrode 314 by energy source 392, and applied to tissue site 416.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Radiology & Medical Imaging (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Emergency Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00941752A EP1196105A1 (en) | 1998-02-19 | 2000-06-27 | Method for treating a sphincter |
JP2001511836A JP2003505140A (en) | 1998-02-19 | 2000-06-27 | Method for treating the sphincter |
AU56412/00A AU5641200A (en) | 1998-02-19 | 2000-06-27 | Method for treating a sphincter |
CA002391301A CA2391301A1 (en) | 1998-02-19 | 2000-06-27 | Method for treating a sphincter |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/026,296 US6009877A (en) | 1994-06-24 | 1998-02-19 | Method for treating a sphincter |
US36059999A | 1999-07-26 | 1999-07-26 | |
US09/360,599 | 1999-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001006942A1 true WO2001006942A1 (en) | 2001-02-01 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/003769 WO1999042047A1 (en) | 1998-02-19 | 1999-02-19 | Method for electrosurgically treating a sphincter |
PCT/US2000/017734 WO2001006942A1 (en) | 1998-02-19 | 2000-06-27 | Method for treating a sphincter |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/003769 WO1999042047A1 (en) | 1998-02-19 | 1999-02-19 | Method for electrosurgically treating a sphincter |
Country Status (6)
Country | Link |
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US (2) | US6009877A (en) |
EP (1) | EP1196105A1 (en) |
JP (1) | JP2003505140A (en) |
AU (2) | AU2972699A (en) |
CA (1) | CA2391301A1 (en) |
WO (2) | WO1999042047A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US8177781B2 (en) | 2000-10-02 | 2012-05-15 | Novasys Medical, Inc. | Apparatus and methods for treating female urinary incontinence |
US9023031B2 (en) | 1997-08-13 | 2015-05-05 | Verathon Inc. | Noninvasive devices, methods, and systems for modifying tissues |
US11364065B2 (en) | 2017-09-15 | 2022-06-21 | Csa Medical, Inc. | Systems and methods to enhance radial spray from a catheter |
Families Citing this family (463)
Publication number | Priority date | Publication date | Assignee | Title |
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US6063079A (en) * | 1995-06-07 | 2000-05-16 | Arthrocare Corporation | Methods for electrosurgical treatment of turbinates |
US6053172A (en) * | 1995-06-07 | 2000-04-25 | Arthrocare Corporation | Systems and methods for electrosurgical sinus surgery |
US6405732B1 (en) | 1994-06-24 | 2002-06-18 | Curon Medical, Inc. | Method to treat gastric reflux via the detection and ablation of gastro-esophageal nerves and receptors |
US6056744A (en) * | 1994-06-24 | 2000-05-02 | Conway Stuart Medical, Inc. | Sphincter treatment apparatus |
US6009877A (en) * | 1994-06-24 | 2000-01-04 | Edwards; Stuart D. | Method for treating a sphincter |
US6363937B1 (en) * | 1995-06-07 | 2002-04-02 | Arthrocare Corporation | System and methods for electrosurgical treatment of the digestive system |
US6689127B1 (en) * | 1995-08-15 | 2004-02-10 | Rita Medical Systems | Multiple antenna ablation apparatus and method with multiple sensor feedback |
US6302875B1 (en) | 1996-10-11 | 2001-10-16 | Transvascular, Inc. | Catheters and related devices for forming passageways between blood vessels or other anatomical structures |
US7022105B1 (en) * | 1996-05-06 | 2006-04-04 | Novasys Medical Inc. | Treatment of tissue in sphincters, sinuses and orifices |
US6419673B1 (en) * | 1996-05-06 | 2002-07-16 | Stuart Edwards | Ablation of rectal and other internal body structures |
US6743197B1 (en) * | 1996-07-10 | 2004-06-01 | Novasys Medical, Inc. | Treatment of discrete tissues in respiratory, urinary, circulatory, reproductive and digestive systems |
US5957920A (en) * | 1997-08-28 | 1999-09-28 | Isothermix, Inc. | Medical instruments and techniques for treatment of urinary incontinence |
US8353908B2 (en) | 1996-09-20 | 2013-01-15 | Novasys Medical, Inc. | Treatment of tissue in sphincters, sinuses, and orifices |
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Also Published As
Publication number | Publication date |
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AU5641200A (en) | 2001-02-13 |
US6009877A (en) | 2000-01-04 |
WO1999042047A1 (en) | 1999-08-26 |
CA2391301A1 (en) | 2001-02-01 |
US20020139379A1 (en) | 2002-10-03 |
US6712814B2 (en) | 2004-03-30 |
EP1196105A1 (en) | 2002-04-17 |
JP2003505140A (en) | 2003-02-12 |
AU2972699A (en) | 1999-09-06 |
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