WO1999034734A8 - Biopsy instrument - Google Patents

Biopsy instrument

Info

Publication number
WO1999034734A8
WO1999034734A8 PCT/CA1998/001209 CA9801209W WO9934734A8 WO 1999034734 A8 WO1999034734 A8 WO 1999034734A8 CA 9801209 W CA9801209 W CA 9801209W WO 9934734 A8 WO9934734 A8 WO 9934734A8
Authority
WO
WIPO (PCT)
Prior art keywords
needle
bone
biopsy
sample
cradle
Prior art date
Application number
PCT/CA1998/001209
Other languages
French (fr)
Other versions
WO1999034734A1 (en
Inventor
Bruce A J Skinner
Original Assignee
Biopsy Needle Limited Partners
Bruce A J Skinner
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 Biopsy Needle Limited Partners, Bruce A J Skinner filed Critical Biopsy Needle Limited Partners
Priority to CA002318503A priority Critical patent/CA2318503A1/en
Priority to EP98963312A priority patent/EP1043953A1/en
Priority to AU18666/99A priority patent/AU1866699A/en
Publication of WO1999034734A1 publication Critical patent/WO1999034734A1/en
Publication of WO1999034734A8 publication Critical patent/WO1999034734A8/en

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
    • A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320064—Surgical cutting instruments with tissue or sample retaining means

Abstract

A biopsy instrument (10) comprising a biopsy needle (14) and a biopsy gun (12). Gun (12) permits needle (14) to be fired into bone or other hard tissue to secure a soft tissue biopsy sample, such as bone marrow. In a first forward stroke, needle (14) pierces the bone and obtains a cored bone sample (44) in the needle bore. As cradle (18) and the needle (14) are fired forwards, a vacuum is formed in an attached syringe (19) that causes the bone marrow to enter through an opening (30), and be drawn into the syringe (19). As the cradle (18) retracts, the cored bone sample (44) is severed by triangular flap (28).
PCT/CA1998/001209 1998-01-02 1998-12-30 Biopsy instrument WO1999034734A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002318503A CA2318503A1 (en) 1998-01-02 1998-12-30 Biopsy instrument
EP98963312A EP1043953A1 (en) 1998-01-02 1998-12-30 Biopsy instrument
AU18666/99A AU1866699A (en) 1998-01-02 1998-12-30 Biopsy instrument

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/002,472 1998-01-02
US09/002,472 US6022324A (en) 1998-01-02 1998-01-02 Biopsy instrument

Publications (2)

Publication Number Publication Date
WO1999034734A1 WO1999034734A1 (en) 1999-07-15
WO1999034734A8 true WO1999034734A8 (en) 1999-09-16

Family

ID=21700934

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA1998/001209 WO1999034734A1 (en) 1998-01-02 1998-12-30 Biopsy instrument

Country Status (5)

Country Link
US (2) US6022324A (en)
EP (1) EP1043953A1 (en)
AU (1) AU1866699A (en)
CA (1) CA2318503A1 (en)
WO (1) WO1999034734A1 (en)

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WO1999034734A1 (en) 1999-07-15
CA2318503A1 (en) 1999-07-15
US6022324A (en) 2000-02-08

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