US6022362A
Expired / Lapsed
US
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Excisional biopsy devices and methods
Assignee: Rubicor Medical Inc
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Filing: 1998-09-03
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Granted: 2000-02-08
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Expires: 2018-09-03
Abstract
Abstract An excisional biopsy device includes a tubular member having a window near a distal tip thereof; a cutting tool, a distal end of the cutting tool being attached near the distal tip of the tubular member, at least a distal portion of the cutting tool being configured to selectively bow out of the window and to retract within the window; and a tissue collection device externally attached at least to the tubular member, the tissue collection device collecting tissue excised by the cutting tool as the biopsy device is rotated and the cutting tool is bowed. An excisional biopsy method for soft tissue includes the steps of inserting a generally tubular member into the tissue, the tubular member including a cutting tool adapted to selectively bow away from the tubular member and an external tissue collection device near a distal tip of the tubular member; rotating the tubular member; selectively varying a degree of bowing of the cutting tool; collecting tissue severed by the cutting tool in the tissue collection device; and retracting the tubular member from the soft tissue. The tubular member may include an imaging transducer and the method may include the step of displaying information received from the transducer on a display device and the step of varying the degree of bowing of the cutting tool based upon the displayed information from the imaging transducer. Alternatively, the imaging transducer may be disposed within a removable transducer core adapted to fit within the tubular member.
Inventors
- 👤 Roberta Lee
- 👤 James W. Vetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:20
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0233; A61B10/0266; A61B8/00; A61B8/08; A61B8/0833; A61B8/085; A61B10/0275; A61B10/04; A61B17/00; A61B17/32; A61B17/3205; A61B17/3207; A61B17/320725; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1482; A61B17/00234; A61B2017/00287; A61B2018/00005; A61B2018/00011; A61B2018/1405; A61B2018/1407; A61B2018/1475; A61B90/00; A61B90/36; A61B90/37; A61B2090/378; A61B2090/3782; A61B2090/3784; A61B2218/00; A61B2218/001; A61B2218/002; A61B8/46; A61B8/461
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
96 words
An excisional biopsy device, comprising: a tubular member having a window near a distal tip thereof; a cutting tool, a distal end of the cutting tool being attached near the distal tip of the tubular member, at least a distal portion of the cutting tool being configured to selectively bow out of the window and to retract within the window; and a tissue collection device externally attached at least to the tubular member, the tissue collection device collecting tissue severed by the cutting tool as the biopsy device is rotated and the cutting tool is bowed.
Claim 2
Dependent Claim
96 words
An excisional biopsy device, comprising: a tubular member having a window near a distal tip thereof; a cutting tool, a distal end of the cutting tool being attached near the distal tip of the tubular member, at least a distal portion of the cutting tool being configured to selectively bow out of the window and to retract within the window; and a tissue collection device externally attached at least to the tubular member, the tissue collection device collecting tissue severed by the cutting tool as the biopsy device is rotated and the cutting tool is bowed.
Claim 3
Dependent Claim
25 words
The excisional biopsy device of claim 1, wherein the distal portion of the cutting tool comprises a thin ribbon sharpened on a leading edge thereof.
Claim 4
Dependent Claim
17 words
The excisional biopsy device of claim 2, wherein the leading edge of the thin ribbon is serrated.
Claim 5
Dependent Claim
46 words
The excisional biopsy device of claim 1, wherein the tubular member comprises an internal guide allowing a proximal portion of the cutting tool to slide therein when a proximal end of the cutting tool is pushed in a distal direction or pulled in a proximal direction.
Claim 6
Dependent Claim
38 words
The excisional biopsy device of claim 1, wherein the cutting tool further comprises: an interior lumen; and a plurality of through holes in the distal portion thereof, the through holes being in fluid communication with the interior lumen.
Claim 7
Dependent Claim
22 words
The excisional biopsy device of claim 1, wherein the tissue collection device comprises a bag within which the severed tissue is collected.
Claim 8
Dependent Claim
24 words
The excisional biopsy device of claim 6, wherein an opening of the bag is at least co-extensive with the window in the tubular member.
Claim 9
Dependent Claim
29 words
The excisional biopsy device of claim 1, wherein the tissue collection device is configured to open and to close as the cutting tool is selectively bowed and retracted, respectively.
Claim 10
Dependent Claim
47 words
The excisional biopsy device of claim 8, wherein the tissue collection device comprises a bag attached to the tubular member and to a trailing edge of the distal portion of the cutting tool, the bag opening and closing as the cutting tool is bowed and retracted, respectively.
Claim 11
Dependent Claim
49 words
The excisional biopsy device of claim 1, further comprising an ultrasound sensor mounted within a distal portion of the tubular member, the ultrasound sensor being disposed within the tubular member so as to image tissue about to be cut by the cutting tool as the biopsy device is rotated.
Claim 12
Dependent Claim
42 words
The excisional biopsy device of claim 10, wherein the ultrasound sensor is electrically connected to at least one data processing and display device to allow one of a real time and near real time graphical representation of the tissue to be cut.
Claim 13
Dependent Claim
23 words
The excisional biopsy device of claim 1, wherein the distal portion of the cutting tool is electrically connected to an RF power source.
Claim 14
Dependent Claim
19 words
The excisional biopsy device of claim 12, wherein the distal portion of the cutting tool comprises a thin wire.
Claim 15
Dependent Claim
71 words
An excisional biopsy device, comprising: a tubular member having a first and a second window near a distal tip thereof; a cutting tool configured to selectively bow out of the first window and to retract within the first window; and a removable transducer core, the transducer core including an active transducer element configured to face out of the second window when the removable transducer core is fitted within the tubular member.
Claim 16
Dependent Claim
71 words
An excisional biopsy device, comprising: a tubular member having a first and a second window near a distal tip thereof; a cutting tool configured to selectively bow out of the first window and to retract within the first window; and a removable transducer core, the transducer core including an active transducer element configured to face out of the second window when the removable transducer core is fitted within the tubular member.
Claim 17
Dependent Claim
18 words
The device of claim 14, wherein the removable core is adapted to snap fit within the tubular member.
Claim 18
Dependent Claim
14 words
The device of claim 14, wherein the active transducer element includes an ultrasound transducer.
Claim 19
Dependent Claim
21 words
The device of claim 14, wherein the removable transducer core comprises a tapered distal tip configured to readily penetrate soft tissue.
Claim 20
Dependent Claim
19 words
The device of claim 14, further comprising an external tissue collection device attached at least to the cutting tool.
Claim 21
Dependent Claim
34 words
The device of claim 18, wherein the tubular member further comprises a recessed section adjacent a trailing edge of the cutting tool, the recessed section being adapted to receive the external tissue collection device.
Claim 22
Dependent Claim
25 words
The device of claim 14, further comprising an expandable sheath, the expandable sheath being adapted to receive the removable transducer core and the tubular member.
Claim 23
Dependent Claim
106 words
An excisional biopsy device, comprising: a single use disposable tubular member having a window near a distal tip thereof, the tubular member including a cutting tool, a distal end of the cutting tool being attached near the distal tip of the tubular member, at least a distal portion of the cutting tool being configured to selectively bow out of the window and to retract within the window; and a single use disposable tissue collection device externally attached at least to the tubular member, the tissue collection device collecting tissue severed by the cutting tool as the biopsy device is rotated and the cutting tool is bowed.
Claim 24
Dependent Claim
106 words
An excisional biopsy device, comprising: a single use disposable tubular member having a window near a distal tip thereof, the tubular member including a cutting tool, a distal end of the cutting tool being attached near the distal tip of the tubular member, at least a distal portion of the cutting tool being configured to selectively bow out of the window and to retract within the window; and a single use disposable tissue collection device externally attached at least to the tubular member, the tissue collection device collecting tissue severed by the cutting tool as the biopsy device is rotated and the cutting tool is bowed.
Claim 25
Dependent Claim
78 words
An excisional biopsy device, comprising: a single use disposable tubular member having a first and a second window near a distal tip thereof, the tubular member including a cutting tool configured to selectively bow out of the first window and to retract within the first window; and a removable transducer core, the transducer core including an active transducer element configured to face out of the second window when the removable transducer core is fitted within the tubular member.
Claim 26
Dependent Claim
78 words
An excisional biopsy device, comprising: a single use disposable tubular member having a first and a second window near a distal tip thereof, the tubular member including a cutting tool configured to selectively bow out of the first window and to retract within the first window; and a removable transducer core, the transducer core including an active transducer element configured to face out of the second window when the removable transducer core is fitted within the tubular member.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-02-07 | 2003-08-09 | 2004-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-02-07 | 2007-08-09 | 2008-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-02-07 | 2011-08-09 | 2012-02-08 | $7700.00 | Window Closed / Lapsed |