ATE352263T1 - Ablationsvorrichtung mit mehreren elektroden - Google Patents

Ablationsvorrichtung mit mehreren elektroden

Info

Publication number
ATE352263T1
ATE352263T1 AT03020050T AT03020050T ATE352263T1 AT E352263 T1 ATE352263 T1 AT E352263T1 AT 03020050 T AT03020050 T AT 03020050T AT 03020050 T AT03020050 T AT 03020050T AT E352263 T1 ATE352263 T1 AT E352263T1
Authority
AT
Austria
Prior art keywords
delivery catheter
electrode
section
deployed
curvature
Prior art date
Application number
AT03020050T
Other languages
English (en)
Inventor
Stuart D Edwards
Ronald G Lax
Hugh Sharkey
Original Assignee
Rita Medical Systems Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23114250&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE352263(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rita Medical Systems Inc filed Critical Rita Medical Systems Inc
Application granted granted Critical
Publication of ATE352263T1 publication Critical patent/ATE352263T1/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
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1472—Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
    • 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
    • A61B18/16—Indifferent or passive electrodes for grounding
    • A61B2018/162—Indifferent or passive electrodes for grounding located on the probe body
    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • A61B2018/1861—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument inserted into a body lumen or cavity, e.g. a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • 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
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

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  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • Otolaryngology (AREA)
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  • Electromagnetism (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
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  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
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AT03020050T 1994-08-12 1995-08-11 Ablationsvorrichtung mit mehreren elektroden ATE352263T1 (de)

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DE (3) DE69535379T2 (de)
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ES (2) ES2279043T3 (de)
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DE69535379D1 (de) 2007-03-15
ES2132698T5 (es) 2004-07-01
DE69532140D1 (de) 2003-12-18
ES2132698T3 (es) 1999-08-16
CN1159154A (zh) 1997-09-10
DE69510064T2 (de) 1999-12-23
ES2279043T3 (es) 2007-08-16
DE69510064D1 (de) 1999-07-08
EP0777445B2 (de) 2004-01-02
JP3009735B2 (ja) 2000-02-14
EP1366725A1 (de) 2003-12-03
EP1366725B1 (de) 2007-01-24
DE69535379T2 (de) 2008-01-03
DE69532140T2 (de) 2004-08-26
EP0908156B1 (de) 2003-11-12
WO1996004860A1 (en) 1996-02-22
US5536267A (en) 1996-07-16
EP0908156A1 (de) 1999-04-14
PT1366725E (pt) 2007-03-30
ATE180649T1 (de) 1999-06-15
CN1125620C (zh) 2003-10-29
ATE253871T1 (de) 2003-11-15
US6632222B1 (en) 2003-10-14
EP0777445A1 (de) 1997-06-11
DK1366725T3 (da) 2007-05-29
JPH10503959A (ja) 1998-04-14
HK1002098A1 (en) 1998-07-31
DE69510064T3 (de) 2005-04-07
EP0777445B1 (de) 1999-06-02
US6471698B1 (en) 2002-10-29

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