ATE442094T1 - Profilelektroden zum elektrochirurgischen schneiden und ablation - Google Patents

Profilelektroden zum elektrochirurgischen schneiden und ablation

Info

Publication number
ATE442094T1
ATE442094T1 AT97933451T AT97933451T ATE442094T1 AT E442094 T1 ATE442094 T1 AT E442094T1 AT 97933451 T AT97933451 T AT 97933451T AT 97933451 T AT97933451 T AT 97933451T AT E442094 T1 ATE442094 T1 AT E442094T1
Authority
AT
Austria
Prior art keywords
tissue
electrosurgical
ablation
electric field
distal end
Prior art date
Application number
AT97933451T
Other languages
English (en)
Inventor
Philip Eggers
Hira Thapliyal
Original Assignee
Arthrocare Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arthrocare Corp filed Critical Arthrocare Corp
Application granted granted Critical
Publication of ATE442094T1 publication Critical patent/ATE442094T1/de

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    • 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
    • A61B18/1206—Generators therefor
    • A61B2018/1246—Generators therefor characterised by the output polarity
    • A61B2018/126—Generators therefor characterised by the output polarity bipolar
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    • 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
    • A61B18/1206—Generators therefor
    • A61B2018/1273—Generators therefor including multiple generators in one device
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    • 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
    • A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
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    • 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
    • A61B2018/1472—Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
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    • A61B18/14—Probes or electrodes therefor
    • A61B18/16—Indifferent or passive electrodes for grounding
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    • 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
    • A61B18/16—Indifferent or passive electrodes for grounding
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    • A61B90/37—Surgical systems with images on a monitor during operation
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    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002—Irrigation
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    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0158—Tip steering devices with magnetic or electrical means, e.g. by using piezo materials, electroactive polymers, magnetic materials or by heating of shape memory materials

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  • Health & Medical Sciences (AREA)
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AT97933451T 1996-07-18 1997-07-15 Profilelektroden zum elektrochirurgischen schneiden und ablation ATE442094T1 (de)

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US08/687,792 US5843019A (en) 1992-01-07 1996-07-18 Shaped electrodes and methods for electrosurgical cutting and ablation
PCT/US1997/012266 WO1998003220A1 (en) 1996-07-18 1997-07-15 Shaped electrodes and methods for electrosurgical cutting and ablation

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EP (1) EP0917482B1 (de)
JP (2) JP4756179B2 (de)
AT (1) ATE442094T1 (de)
AU (1) AU3663597A (de)
DE (1) DE69739572D1 (de)
WO (1) WO1998003220A1 (de)

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DE69739572D1 (de) 2009-10-22
JP2008220988A (ja) 2008-09-25
EP0917482A4 (de) 1999-12-22
EP0917482B1 (de) 2009-09-09
JP2001522252A (ja) 2001-11-13
JP4713613B2 (ja) 2011-06-29
EP0917482A1 (de) 1999-05-26
JP4756179B2 (ja) 2011-08-24
AU3663597A (en) 1998-02-10
WO1998003220A1 (en) 1998-01-29
US5843019A (en) 1998-12-01

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