CA2494377A1 - Biopsy devices and methods - Google Patents

Biopsy devices and methods Download PDF

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Publication number
CA2494377A1
CA2494377A1 CA002494377A CA2494377A CA2494377A1 CA 2494377 A1 CA2494377 A1 CA 2494377A1 CA 002494377 A CA002494377 A CA 002494377A CA 2494377 A CA2494377 A CA 2494377A CA 2494377 A1 CA2494377 A1 CA 2494377A1
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CA
Canada
Prior art keywords
clip
tube
apex
tissue
breast
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
CA002494377A
Other languages
French (fr)
Other versions
CA2494377C (en
Inventor
James E. Selis
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Individual
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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 CA2494377A1 publication Critical patent/CA2494377A1/en
Application granted granted Critical
Publication of CA2494377C publication Critical patent/CA2494377C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, 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
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, 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
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3904—Markers, e.g. radio-opaque or breast lesions markers specially adapted for marking specified tissue
    • A61B2090/3908—Soft tissue, e.g. breast tissue

Abstract

An apparatus (110) for mammography has in one aspect, a clip (122) comprises a first portion and at least one additional second portion connected to the first portion, the first and second portions adapted for elastic deformation for engaging tissue. In another aspect, the device (110) for performing a breast biopsy is used to deploy a clip through a delivery tube (116). In yet another aspect of the invention, there is contemplated a system for marking an evacuated breast cyst.

Claims (35)

1. An improved clip (120) for radiographic analysis, the clip (120) characterized by:
a first portion that is straight, arcuate or a combination thereof; and at least one additional second portion that is straight, arcuate or a combination thereof, and which is connected to the first portion at a first apex coplanar with the first and second portion, wherein the first and second portions are adapted to permit the clip to compress to fit within a tube (116, 116') of a delivery device (110) and to elastically deform upon exiting the tube (716, 116') for engaging tissue, and wherein the clip (120) unfolds upon itself about the first apex by rotating greater than 90° relative to an opposing portion, so that the first and second portions are adapted to engage tissue thereby substantially preventing migration and does not form a spiral configuration.
2. The clip of claim 1, wherein one or both of the first or second portion rotating greater than 45° about the first apex at both ends of the first or second portion, so that both ends of the first and second portions are adapted to attach to the tissue thereby substantially preventing migration and does not form a spiral configuration.
3. The clip of claim 1, wherein the clip (120) is further characterized by a third portion that is straight, arcuate or a combination thereof, wherein the third portion is connected to the first or second portion to form a second apex and wherein the third portion rotating greater than 45° about the second apex so that the third portion is adapted to attach to the tissue thereby substantially preventing migration and does not form a spiral configuration.
4. The clip of claim 1 through 4, wherein the first or second portion rotating greater than 90° about the first apex at one or more ends of the first or second portion.
5. The clip of claim i through 4, wherein the first or second portion rotating greater than 180.slzero. about the first apex at one or more ends of the first or second portion.
6. The clip of claim 3, wherein the first, second and third portion rotating greater than 90.slzero. about the second apex at one or more ends of the third portion.
7. The clip of claim 1 through 6, wherein the clip (120) is a wire that elastically deforms relative to the first apex upon exiting the tube wire, wherein comprises a material. selected from a surgical stainless steel, titanium, a nickel containing metal, or a bio-compatible polymer.
8. The clip of claims 1 though 7, wherein the clip (120j includes a plurality of wires.
9. The Clip of any of claims 1 through 8, wherein the first portion, second portion or both portions are further configured with at least one end having a barb.
10. The clip of any of claims 1 through 9, wherein the clip (120) is made of a memory shape material, has a largest dimension of less than about 1 cm, is configured for insertion into a breast tissue, and wherein upon exiting the delivery device (110) the first and second portions are configured to engage the breast tissue such that the clip (120) becomes substantially immobile and is observable through ultrasound devices, mammography devices or both
11. The clip of any of claims 1 through 10, wherein the clip (120) has a largest dimension. of less than about 5 mm.
12. The clip of any of claims 1 through 11, wherein the clip (120) is further characterized by a coating.
13. An improved device for deploying a clip (120), the device characterized by:
a gripping , portion (130) having two opposing semicircular or substantially circular finger grips (132) attached to a hub portion (134);
a tube (116, 116'} joined with the hub portion (134), the tube 116, 116') having defined at one end portion: i) a side hole (138) and a ramp (140.
140') or ii) an end hole (138'); and a driver (118) having an actuator member (142) in driving relation therewith; wherein upon translation of the actuator member (142) the driver (118) advances through the hub portion (134) and the tube (116) to advance a clip (120) located in the tube (116, 116') toward and along the ramp (140, 140') for expulsion through the respective side or end hole (138, 138'), wherein the actuator member (142) requires only one hand to expel the clip (120) through the respective side or end hole (138, 138') and is substantially free of a lock that requires unlocking to permit the actuator member (142) to operate,
14. The device of claim 13, wherein the hub portion has a luer lock mechanism (136) for the attachment of a needle (124, 124', 124") to the hub portion (134).
15. The device of claim 13 or 14, further characterized by a needle (124, 124', 124") spaced apart and concentrically Iocated about the tube (116).
16. The device of any of claims 13 through 15, further characterized by an indicator for providing physical or audible feedback that any clip (120) has been fully deployed from the tube (116).
17. The device of any of claims 13 through 16,. further characterized by a visual indicator (128) to indicate the position of the tube (116).
18. The device of any of claims 13 through 17, wherein the device is adapted for cyst aspiration.
19. The device of any of claims 13 through 18, further characterized by an alignment notch (146) in the hub portion (134).
20. The device of any of claims 13 through 19, wherein the device is configured to be used ambidextrously.
21. The device of any of claims 13 through 20, wherein the hub portion (134) has a luer lock mechanism (136) and an alignment notch (146).
22. The device of any of claims 13 through 21, wherein the tissue is breast tissue and the system is adapted for mammographic analysis.
23. The device of any of claims 13 through 22, wherein the delivery device includes a rigid tube (116, 116') for use with an ultrasound guidance system.
24. The device of any of claims 13 through 23, further characterized by a vacuum assisted breast biopsy instrument.
25. The device of any of claims 13 through 24, for performing a breast biopsy, system aspiration or a combination thereof.
26. The device of any of claims 13 Through 25, wherein the clip (120) is characterized by:
a. a first portion that is straight, arcuate or a combination thereof;
and b. at least one additional second portion that is straight, arcuate or a combination thereof, the first and second portions adapted to fit within the tube of a delivery device and to elastically deform relative to each other upon exiting the tube for engaging tissue.
27. A method for marking an evacuated breast cyst, the method characterized by the steps of:
a. inserting a needle (124, 124', 124") into a fluid filled breast cyst;
b. removing fluid from the breast cyst for collapsing the walls of the breast cyst; and c. pushing the actuator (142) and driver (118) along the inside portion of the needle (124, 124', 124") resulting in the insertion of a clip (120) into a breast cyst to mark the same; wherein the clip (120) is characterized by:
i) a first portion that is straight, arcuate or a combination thereof; and, ii) at least one additional second portion that is straight, arcuate or a combination thereof, and which is connected to the first portion at a first apex coplanar with the first and second portion, wherein the first and second portions adapted to fit within a tube (116, 116') of a delivery device (110) and to elastically deform relative to each other upon exiting the tube (116, 116') for engaging tissue, and wherein the clip (120) unfolds upon itself about the first apex by rotating greater than 90° relative to an opposing portion, so that the first and second portions are adapted to engage tissue thereby substantially preventing migration and does not form a spiral configuration.
28. The method of claim 27, wherein only one hand is required for the insertion of the needle {124, 124', 124"), and the marking of a breast cyst and wherein the device is configured to be used ambidextrously and has no lock to prevent deployment.
29. The method of claim 27 through.28, wherein the needle has a gripping portion (130) with two opposing semicircular or substantially circular finger grips (132), an actuator {142), a driver (118) and a clip (120) in a compressed state within the tube (116, 116').
30. The clip of any of claims 27 through 29, wherein the clip (120) comprises a material that is observable using ultrasound devices or mammography devices or both, selected from a surgical stainless steel, a titanium-containing metal, a nickel-containing metal, or a bio-compatible polymer, and is adapted to elastically deform about the first apex upon exiting the tube (116, 116').
31. The method of any of claims 27 through 30, wherein the needle (124, 124', 124") has a caliber of 18 gauge or large.
32. The method of any of claims 27 through 31, wherein the cyst is aspirated in the absence of a stylet.
33. The clip of any of claims 1 through 6 and 8 through 12, wherein the clip is formed of a single wire.
34. The device of claims 13 through 26, wherein the clip is formed of a single wire.
35. The method of any of claims 27 through 32, wherein the clip is formed of a single wire.
CA2494377A 2002-08-01 2003-07-31 Biopsy devices and methods Expired - Lifetime CA2494377C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40011302P 2002-08-01 2002-08-01
US60/400,113 2002-08-01
PCT/US2003/023995 WO2004012600A2 (en) 2002-08-01 2003-07-31 Biopsy devices

Publications (2)

Publication Number Publication Date
CA2494377A1 true CA2494377A1 (en) 2004-02-12
CA2494377C CA2494377C (en) 2012-09-25

Family

ID=31495789

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2494377A Expired - Lifetime CA2494377C (en) 2002-08-01 2003-07-31 Biopsy devices and methods

Country Status (7)

Country Link
US (3) US7670350B2 (en)
EP (1) EP1545316B1 (en)
AT (1) ATE383111T1 (en)
AU (1) AU2003257087B2 (en)
CA (1) CA2494377C (en)
DE (1) DE60318595T2 (en)
WO (1) WO2004012600A2 (en)

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DE60318595D1 (en) 2008-02-21
US8758369B2 (en) 2014-06-24
WO2004012600A2 (en) 2004-02-12
US20100130887A1 (en) 2010-05-27
AU2003257087B2 (en) 2009-01-08
ATE383111T1 (en) 2008-01-15
US8414602B2 (en) 2013-04-09
DE60318595T2 (en) 2009-01-08
US20100106168A1 (en) 2010-04-29
AU2003257087A1 (en) 2004-02-23
EP1545316B1 (en) 2008-01-09
US7670350B2 (en) 2010-03-02
CA2494377C (en) 2012-09-25
US20040097981A1 (en) 2004-05-20
EP1545316A2 (en) 2005-06-29

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