WO2000016697A3 - Electrosurgical biopsy device and method - Google Patents

Electrosurgical biopsy device and method Download PDF

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Publication number
WO2000016697A3
WO2000016697A3 PCT/US1999/021416 US9921416W WO0016697A3 WO 2000016697 A3 WO2000016697 A3 WO 2000016697A3 US 9921416 W US9921416 W US 9921416W WO 0016697 A3 WO0016697 A3 WO 0016697A3
Authority
WO
WIPO (PCT)
Prior art keywords
cannula
stylet
distal end
head
tissue
Prior art date
Application number
PCT/US1999/021416
Other languages
French (fr)
Other versions
WO2000016697A2 (en
Inventor
Fred H Burbank
Paul Lubock
Michael L Jones
Richard L Quick
Original Assignee
Senorx 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
Application filed by Senorx Inc filed Critical Senorx Inc
Priority to AU59266/99A priority Critical patent/AU5926699A/en
Priority to EP99946972A priority patent/EP1115345A2/en
Priority to CA002344641A priority patent/CA2344641A1/en
Priority to JP2000573660A priority patent/JP2002526191A/en
Publication of WO2000016697A2 publication Critical patent/WO2000016697A2/en
Publication of WO2000016697A3 publication Critical patent/WO2000016697A3/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/0233Pointed or sharp biopsy instruments
    • A61B10/0266Pointed or sharp biopsy instruments means for severing sample
    • AHUMAN NECESSITIES
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    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00491Surgical glue applicators
    • AHUMAN NECESSITIES
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    • A61B17/32Surgical cutting instruments
    • A61B17/3205Excision instruments
    • A61B17/32056Surgical snare instruments
    • AHUMAN NECESSITIES
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    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
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    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/14Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • A61B90/17Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
    • AHUMAN NECESSITIES
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    • A61B10/00Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B17/3205Excision instruments
    • A61B17/3207Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320725Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
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    • A61B18/14Probes or electrodes therefor
    • A61B18/1492Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
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    • A61B2010/0208Biopsy devices with actuators, e.g. with triggered spring mechanisms
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    • A61B2017/348Means for supporting the trocar against the body or retaining the trocar inside the body
    • A61B2017/3482Means for supporting the trocar against the body or retaining the trocar inside the body inside
    • A61B2017/3484Anchoring means, e.g. spreading-out umbrella-like structure
    • A61B2017/3488Fixation to inner organ or inner body tissue
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    • A61B2018/00214Expandable means emitting energy, e.g. by elements carried thereon
    • A61B2018/00267Expandable means emitting energy, e.g. by elements carried thereon having a basket shaped structure
    • AHUMAN NECESSITIES
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    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00333Breast
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00898Alarms or notifications created in response to an abnormal condition
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091Handpieces of the surgical instrument or device
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091Handpieces of the surgical instrument or device
    • A61B2018/00916Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/1206Generators therefor
    • A61B2018/1246Generators therefor characterised by the output polarity
    • A61B2018/1253Generators therefor characterised by the output polarity monopolar
    • AHUMAN NECESSITIES
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    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/1206Generators therefor
    • A61B2018/1246Generators therefor characterised by the output polarity
    • A61B2018/126Generators therefor characterised by the output polarity bipolar
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1407Loop
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
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    • A61B2018/1475Electrodes retractable in or deployable from a housing
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    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
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    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/16Indifferent or passive electrodes for grounding
    • A61B2018/162Indifferent or passive electrodes for grounding located on the probe body
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    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3904Markers, e.g. radio-opaque or breast lesions markers specially adapted for marking specified tissue
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B90/36Image-producing devices or illumination devices not otherwise provided for
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Abstract

An electrosurgical biopsy device includes a stylet and a cannula movably mounted on a base. The stylet has a shaft with a head at its distal end and a stylet ablation element extending distally from the head. The stylet shaft is disposed through the cannula for axial translation therein between withdrawn and extended positions. The cannula has an opening at its distal end and a cannula ablation element adjacent the opening. Both ablation elements are activatable with energy that ablates adjacent tissue. A translation mechanism controllably moves (a) the stylet between the withdrawn and extended positions and (b) the cannula between a proximal position and a distal position relative to the base. In use, with the stylet in the withdrawn position against the distal end of the cannula, and with the stylet ablation element activated, the stylet and the cannula are pushed through the skin and the underlying tissue until the stylet head is adjacent a targeted tissue mass. Next, the stylet is extended distally from the distal end of the cannula so that its head penetrates the tissue mass. The cannula ablation element is then activated, and the cannula is pushed through the tissue mass toward the stylet head, thereby cutting a 'core' through the tissue mass that is captured as a tissue specimen within the distal end of the cannula. The cannula and the stylet are then removed from the patient's body.
PCT/US1999/021416 1998-09-23 1999-09-17 Electrosurgical biopsy device and method WO2000016697A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU59266/99A AU5926699A (en) 1998-09-23 1999-09-17 Electrosurgical biopsy device and method
EP99946972A EP1115345A2 (en) 1998-09-23 1999-09-17 Electrosurgical biopsy device and method
CA002344641A CA2344641A1 (en) 1998-09-23 1999-09-17 Electrosurgical biopsy device and method
JP2000573660A JP2002526191A (en) 1998-09-23 1999-09-17 Electrosurgical biopsy device and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/159,467 US6261241B1 (en) 1998-03-03 1998-09-23 Electrosurgical biopsy device and method
US09/159,467 1998-09-23

Publications (2)

Publication Number Publication Date
WO2000016697A2 WO2000016697A2 (en) 2000-03-30
WO2000016697A3 true WO2000016697A3 (en) 2000-08-10

Family

ID=22572720

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/021416 WO2000016697A2 (en) 1998-09-23 1999-09-17 Electrosurgical biopsy device and method

Country Status (6)

Country Link
US (3) US6261241B1 (en)
EP (1) EP1115345A2 (en)
JP (1) JP2002526191A (en)
AU (1) AU5926699A (en)
CA (1) CA2344641A1 (en)
WO (1) WO2000016697A2 (en)

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US7625347B2 (en) 2009-12-01
JP2002526191A (en) 2002-08-20
EP1115345A2 (en) 2001-07-18
WO2000016697A2 (en) 2000-03-30
AU5926699A (en) 2000-04-10
US6261241B1 (en) 2001-07-17
US20050090762A1 (en) 2005-04-28
CA2344641A1 (en) 2000-03-30
US20010014779A1 (en) 2001-08-16
US6689071B2 (en) 2004-02-10

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