CA2394078A1 - Lockout for a surgical biopsy device - Google Patents

Lockout for a surgical biopsy device Download PDF

Info

Publication number
CA2394078A1
CA2394078A1 CA002394078A CA2394078A CA2394078A1 CA 2394078 A1 CA2394078 A1 CA 2394078A1 CA 002394078 A CA002394078 A CA 002394078A CA 2394078 A CA2394078 A CA 2394078A CA 2394078 A1 CA2394078 A1 CA 2394078A1
Authority
CA
Canada
Prior art keywords
assembly
firing fork
cutter
spring
operatively connected
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
Application number
CA002394078A
Other languages
French (fr)
Other versions
CA2394078C (en
Inventor
William A. Garrison
James W. Voegele
Craig F. Forester
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Devicor Medical Products Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2394078A1 publication Critical patent/CA2394078A1/en
Application granted granted Critical
Publication of CA2394078C publication Critical patent/CA2394078C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other 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
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
    • A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other 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
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe

Abstract

The present application describes an image-guided, vacuum assisted percutaneous, coring, breast biopsy instrument (40) which may be convenientl y mounted to an x-ray machine, and incorporates a safety lockout system that i s located at the proximal end of the biopsy instrument. The safety lockout system includes a safety latch (250), safety block (248), safety spring (251 ), a safety lach stop (245), and safety latch handle (249).

Claims (2)

1. A biopsy instrument comprising:
a probe assembly, said probe assembly comprising:
a cutter assembly;
a piercer assembly slideably attached to said cutter assembly;
a base assembly detachably mounted to said probe assembly wherein said base assembly comprises:
a firing fork operatively connected to said piercer assembly a spring operatively connected to said firing fork wherein said spring opposes movement of said firing fork in a proximal direction;
a trigger mechanism adapted to move said firing fork in a proximal direction;
a latch mechanism adapted to hold said firing fork in a first position;
a release mechanism adapted to release said latch mechanism;
a lockout mechanism adapted to prevent said release mechanism from releasing said latch mechanism;
a drive assembly including a flexible drive shaft which is operatively connected to said cutter assembly.
2. A biopsy instrument comprising:

a probe assembly, said probe assembly comprising:
a cutter assembly comprising:
a cutter;
a gear mechanism adapted to move said cutter;
a piercer assembly slideably attached to said cutter assembly;
a base assembly detachably mounted to said probe assembly wherein said base assembly comprises:
a firing fork removably attached to said piercer assembly such that movement of said firing fork in a distal direction moves said piercer assembly in a distal direction;
a spring operatively connected to said firing fork, said spring being adapted to oppose movement of said firing fork in a proximal direction;
a trigger mechanism operatively connected to said firing fork, said trigger mechanism being adapted to move said cutter in a proximal direction;
a latch mechanism operatively connected to said firing fork to hold said firing fork in a first, proximal position;
a release mechanism adapted to release said latch mechanism when said release mechanism is moved in a first direction;

a lockout mechanism adapted to prevent said release mechanism from moving in said first direction, said lockout mechanism including a spring biased rotatable plate comprising:
a first spring wire;
a second spring wire wherein said first and second spring wires define a first opening in said plate;
a handle affixed to said plate and projecting from said base assembly;
a drive assembly including a flexible drive shaft operatively connected to said gear mechanism.
CA2394078A 2000-10-13 2001-10-09 Lockout for a surgical biopsy device Expired - Fee Related CA2394078C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US24031800P 2000-10-13 2000-10-13
US60/240,318 2000-10-13
US09/967,013 2001-09-28
US09/967,013 US6712774B2 (en) 2000-10-13 2001-09-28 Lockout for a surgical biopsy device
PCT/US2001/042551 WO2002030270A2 (en) 2000-10-13 2001-10-09 Lockout for a surgical biopsy device

Publications (2)

Publication Number Publication Date
CA2394078A1 true CA2394078A1 (en) 2002-04-18
CA2394078C CA2394078C (en) 2012-09-11

Family

ID=26933327

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2394078A Expired - Fee Related CA2394078C (en) 2000-10-13 2001-10-09 Lockout for a surgical biopsy device

Country Status (9)

Country Link
US (1) US6712774B2 (en)
EP (1) EP1307136B1 (en)
JP (1) JP3892809B2 (en)
AU (1) AU782423C (en)
BR (1) BR0107317A (en)
CA (1) CA2394078C (en)
DE (1) DE60127268T2 (en)
ES (1) ES2283441T3 (en)
WO (1) WO2002030270A2 (en)

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Also Published As

Publication number Publication date
US6712774B2 (en) 2004-03-30
EP1307136A2 (en) 2003-05-07
AU782423B2 (en) 2005-07-28
DE60127268T2 (en) 2007-12-20
EP1307136B1 (en) 2007-03-14
WO2002030270A2 (en) 2002-04-18
EP1307136A4 (en) 2003-05-07
CA2394078C (en) 2012-09-11
AU782423C (en) 2006-02-23
ES2283441T3 (en) 2007-11-01
WO2002030270A3 (en) 2002-07-04
JP2004510523A (en) 2004-04-08
AU1187002A (en) 2002-04-22
JP3892809B2 (en) 2007-03-14
US20020045840A1 (en) 2002-04-18
DE60127268D1 (en) 2007-04-26
BR0107317A (en) 2002-08-20

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Effective date: 20161011