US20040215103A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biopsy device
Assignee: LACHOWICZ THEODORE COLLATERAL AGENT
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Filing: 2003-04-24
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Granted: —
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Expires: 2023-04-24
Abstract
Abstract A biopsy device comprises a biopsy instrument, suitable for collecting at least one tissue sample from a body lumen, such as a mammary duct, and a cutter introducer sized for receiving the biopsy instrument and introducing the biopsy instrument into a mammary duct to retrieve a tissue sample therefrom.
Inventors
- 👤 Richard Mueller
- 👤 Paul Hsei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:51
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0233; A61B10/0266; A61B10/0275; A61B10/0041; A61B17/00; A61B17/34; A61B2017/348; A61B2017/3482; A61B2017/3484; A61B2017/3488
Claims Analysis
Total Claims: 73
Claim 1
Independent Claim
102 words
1 . A biopsy device suitable for collection of a tissue sample from a biopsy site in a body lumen, the biopsy device comprising: a cutter introducer comprising an elongated, apertured hollow sheath rotatable about a longitudinal axis having a distal end portion and a proximal end portion, wherein the distal end portion defines an aperture for receiving a tissue mass, and a hollow handle about the proximal end portion of the sheath; and a biopsy instrument comprising an elongated cutter for severing the tissue mass received through the aperture, the cutter element being sized for removable insertion in the biopsy introducer.
Claim 2
Dependent Claim
102 words
1 . A biopsy device suitable for collection of a tissue sample from a biopsy site in a body lumen, the biopsy device comprising: a cutter introducer comprising an elongated, apertured hollow sheath rotatable about a longitudinal axis having a distal end portion and a proximal end portion, wherein the distal end portion defines an aperture for receiving a tissue mass, and a hollow handle about the proximal end portion of the sheath; and a biopsy instrument comprising an elongated cutter for severing the tissue mass received through the aperture, the cutter element being sized for removable insertion in the biopsy introducer.
Claim 3
Dependent Claim
32 words
2 . The biopsy device of claim 1 , wherein the cutter introducer further comprises a tissue anchor for axially securing the distal end portion of the sheath at the biopsy site.
Claim 4
Dependent Claim
24 words
3 . The biopsy device of claim 2 , wherein the anchor is extendable and retractable at the distal end portion of the sheath.
Claim 5
Dependent Claim
17 words
4 . The biopsy device of claim 3 , wherein the anchor comprises at least one tine.
Claim 6
Dependent Claim
18 words
5 . The biopsy device of claim 1 , wherein the handle further includes an integral azimuth indicator.
Claim 7
Dependent Claim
15 words
6 . The biopsy device of claim 1 , wherein the cutter is motor driven.
Claim 8
Dependent Claim
19 words
7 . The biopsy device of claim 1 , wherein the cutter is suitable for collecting the tissue sample.
Claim 9
Dependent Claim
17 words
8 . The biopsy device of claim 1 , wherein the biopsy instrument includes a tissue ejector.
Claim 10
Dependent Claim
18 words
9 . The biopsy device of claim 8 , wherein the tissue ejector is a pusher rod assembly.
Claim 11
Dependent Claim
24 words
10 . The biopsy device of claim 9 , wherein the tissue ejector is a vacuum source operatively connected to the biopsy elongated cutter.
Claim 12
Dependent Claim
19 words
11 . The biopsy device of claim 1 , wherein the sheath further includes axially spaced depth indicators thereon.
Claim 13
Dependent Claim
23 words
12 . The biopsy device of claim 1 , wherein the distal end portion of the cutter introducer terminates in an atraumatic tip.
Claim 14
Dependent Claim
28 words
13 . The biopsy device of claim 12 , wherein the distal end portion of the cutter introducer further includes a circumferential bevel spaced from the atraumatic tip.
Claim 15
Dependent Claim
178 words
14 . A biopsy device comprising: a biopsy instrument suitable for collection of at least one tissue sample from a biopsy site in a body lumen, the biopsy instrument comprising, a holster, a housing mounted in the holster for reciprocating movement, a cutter drive motor in the housing, a power source within the housing and operably associated with the cutter drive motor, a switch operably associated with the cutter drive motor and the power source for energizing the motor, a hollow cutter driven by the cutter drive motor and rotatably mounted in the housing, a pusher rod removably mounted to the housing and slidably received within the hollow cutter element, and a coupling mount for removably receiving a cutter introducer; wherein the cutter introducer is sized for receiving the biopsy instrument and comprises; a hollow handle adapted for engagement with the coupling mount; a hollow elongated sheath having an open distal end and an open proximal end and defining a cut-out at a distal end portion; and a proximal end portion of the sheath fixed in the handle.
Claim 16
Dependent Claim
178 words
14 . A biopsy device comprising: a biopsy instrument suitable for collection of at least one tissue sample from a biopsy site in a body lumen, the biopsy instrument comprising, a holster, a housing mounted in the holster for reciprocating movement, a cutter drive motor in the housing, a power source within the housing and operably associated with the cutter drive motor, a switch operably associated with the cutter drive motor and the power source for energizing the motor, a hollow cutter driven by the cutter drive motor and rotatably mounted in the housing, a pusher rod removably mounted to the housing and slidably received within the hollow cutter element, and a coupling mount for removably receiving a cutter introducer; wherein the cutter introducer is sized for receiving the biopsy instrument and comprises; a hollow handle adapted for engagement with the coupling mount; a hollow elongated sheath having an open distal end and an open proximal end and defining a cut-out at a distal end portion; and a proximal end portion of the sheath fixed in the handle.
Claim 17
Dependent Claim
21 words
15 . The biopsy device of claim 14 , further including a power source within the housing of the biopsy instrument.
Claim 18
Dependent Claim
16 words
16 . The biopsy device of claim 15 , wherein the power source is a battery.
Claim 19
Dependent Claim
16 words
17 . The biopsy device of claim 16 , wherein the battery is a primary battery.
Claim 20
Dependent Claim
16 words
18 . The biopsy device of claim 16 , wherein the battery is a secondary battery.
Claim 21
Dependent Claim
24 words
19 . The biopsy device of claim 14 , wherein the coupling mount is a boss terminating in an distal, radially outwardly extending flange.
Claim 22
Dependent Claim
19 words
20 . The biopsy device of claim 14 , wherein the introducer handle further includes an integral azimuth indicator.
Claim 23
Dependent Claim
19 words
21 . The biopsy device of claim 20 , wherein the azimuth indicator is unitary with the introducer handle.
Claim 24
Dependent Claim
21 words
22 . The biopsy device of claim 20 , wherein the introducer handle further includes a pair of spaced azimuth indicators.
Claim 25
Dependent Claim
25 words
23 . The biopsy device of claim 14 , wherein the introducer handle further includes a coupling socket for rotatable mounting to a biopsy device.
Claim 26
Dependent Claim
34 words
24 . The biopsy device of claim 14 , further including a tissue anchor slidably and rotatably mounted within the elongated sheath of the introducer at the distal end portion thereof and extendable therefrom.
Claim 27
Dependent Claim
46 words
25 . The biopsy device of claim 24 , wherein the tissue anchor comprises a hollow hub, at least one flexible outwardly biased tine extending from the hub, and a latch on the hub for engagement with a distal end portion of an elongated retriever rod.
Claim 28
Dependent Claim
21 words
26 . The biopsy device of claim 14 , wherein the introducer is sized for removably receiving an endoscope viewing assembly.
Claim 29
Dependent Claim
17 words
27 . The biopsy device of claim 14 , wherein the switch is biased to the OFF-position.
Claim 30
Dependent Claim
111 words
28 . A biopsy instrument suitable for collection of at least one tissue sample from a biopsy side in a lumen, the biopsy instrument comprising: a holster; a housing reciprocably mounted to the holster; a cutter drive motor in the housing; a power source operably associated with the cutter drive motor; a switch operably associated with the motor and the power source for energizing the cutter drive motor; a hollow cutter driven by the cutter drive motor and rotatably mounted in the housing; a pusher rod removably mounted to the housing and slidably received within the hollow cutter; and a coupling mount on the holster for removably receiving a biopsy introducer.
Claim 31
Dependent Claim
111 words
28 . A biopsy instrument suitable for collection of at least one tissue sample from a biopsy side in a lumen, the biopsy instrument comprising: a holster; a housing reciprocably mounted to the holster; a cutter drive motor in the housing; a power source operably associated with the cutter drive motor; a switch operably associated with the motor and the power source for energizing the cutter drive motor; a hollow cutter driven by the cutter drive motor and rotatably mounted in the housing; a pusher rod removably mounted to the housing and slidably received within the hollow cutter; and a coupling mount on the holster for removably receiving a biopsy introducer.
Claim 32
Dependent Claim
18 words
29 . The biopsy instrument of claim 28 , wherein the power source is situated within the housing.
Claim 33
Dependent Claim
16 words
30 . The biopsy instrument of claim 29 , wherein the power source is a battery.
Claim 34
Dependent Claim
16 words
31 . The biopsy instrument of claim 30 , wherein the battery is a primary battery.
Claim 35
Dependent Claim
16 words
32 . The biopsy instrument of claim 30 , wherein the battery is a secondary battery.
Claim 36
Dependent Claim
24 words
33 . The biopsy instrument of claim 28 , wherein the coupling mount is a boss terminating in an distal, radially outwardly extending flange.
Claim 37
Dependent Claim
44 words
34 . A cutter introducer comprising: a hollow handle; and an elongated sheath having an open distal end and an open proximal end fixed to the handle at the proximal end of the sheath, and defining a cut-out at a distal end portion thereof.
Claim 38
Dependent Claim
44 words
34 . A cutter introducer comprising: a hollow handle; and an elongated sheath having an open distal end and an open proximal end fixed to the handle at the proximal end of the sheath, and defining a cut-out at a distal end portion thereof.
Claim 39
Dependent Claim
18 words
35 . The cutter introducer of claim 34 , wherein the handle further includes an integral azimuth indicator.
Claim 40
Dependent Claim
18 words
36 . The cutter introducer of claim 35 , wherein the azimuth indicator is unitary with the handle.
Claim 41
Dependent Claim
20 words
37 . The cutter introducer of claim 34 , wherein the handle further includes a pair of spaced azimuth indicators.
Claim 42
Dependent Claim
24 words
38 . The cutter introducer of claim 34 , wherein the handle further includes a coupling socket for rotatably mounting to a biopsy device.
Claim 43
Dependent Claim
31 words
39 . The cutter introducer of claim 34 , further including a tissue anchor slidably and rotatably mounted within the elongated sheath at the distal end portion thereof and extendable therefrom.
Claim 44
Dependent Claim
47 words
40 . The cutter introducer of claim 39 , wherein the tissue anchor further comprises a hollow hub, at least one flexible outwardly biased tine extending from the hub, and a latch on the hub for engagement with a distal end portion of an elongated retriever rod.
Claim 45
Dependent Claim
21 words
41 . The cutter introducer of claim 40 , wherein the introducer is sized for removably receiving an endoscope viewing assembly.
Claim 46
Dependent Claim
127 words
42 . A biopsy kit comprising: a biopsy device suitable for collection of a tissue sample from a biopsy site in a lumen, the biopsy device comprising: a cutter introducer comprising a rigid elongated apertured hollow sheath rotatable about a longitudinal axis having a distal end portion and a proximal end portion, wherein the distal end portion defines an aperture for receiving a tissue mass, and a hollow handle about the proximal end portion of the sheath including an azimuth indicator, a biopsy instrument comprising an elongated cutter for severing the tissue mass received through the aperture, the cutter being sized for removable insertion in the biopsy introducer; and an azimuth marker having encircling markings, whereby the azimuth indicator is suitable for alignment with the encircling markings.
Claim 47
Dependent Claim
127 words
42 . A biopsy kit comprising: a biopsy device suitable for collection of a tissue sample from a biopsy site in a lumen, the biopsy device comprising: a cutter introducer comprising a rigid elongated apertured hollow sheath rotatable about a longitudinal axis having a distal end portion and a proximal end portion, wherein the distal end portion defines an aperture for receiving a tissue mass, and a hollow handle about the proximal end portion of the sheath including an azimuth indicator, a biopsy instrument comprising an elongated cutter for severing the tissue mass received through the aperture, the cutter being sized for removable insertion in the biopsy introducer; and an azimuth marker having encircling markings, whereby the azimuth indicator is suitable for alignment with the encircling markings.
Claim 48
Dependent Claim
32 words
43 . The biopsy kit of claim 42 , wherein the cutter introducer further comprises an anchor suitable for axially securing the distal end portion of the sheath at the biopsy site.
Claim 49
Dependent Claim
24 words
44 . The biopsy kit of claim 43 , wherein the anchor is extendable and retractable at the distal end portion of the sheath.
Claim 50
Dependent Claim
17 words
45 . The biopsy kit of claim 44 , wherein the anchor comprises at least one tine.
Claim 51
Dependent Claim
15 words
46 . The biopsy kit of claim 42 , wherein the cutter is motor driven.
Claim 52
Dependent Claim
19 words
47 . The biopsy kit of claim 42 , wherein the cutter is suitable for collecting the tissue sample.
Claim 53
Dependent Claim
18 words
48 . The biopsy kit of claim 43 , wherein the biopsy instrument includes a tissue ejector mechanism.
Claim 54
Dependent Claim
19 words
49 . The biopsy kit of claim 48 , wherein the tissue ejector mechanism is a pusher rod assembly.
Claim 55
Dependent Claim
23 words
50 . The biopsy kit of claim 49 , wherein the tissue ejector mechanism is a vacuum source operatively connected to the cutter.
Claim 56
Dependent Claim
19 words
51 . The biopsy kit of claim 42 , wherein the sheath further includes axially spaced depth indicators thereon.
Claim 57
Dependent Claim
23 words
52 . The biopsy kit of claim 42 , wherein the distal end portion of the cutter introducer terminates in an atraumatic tip.
Claim 58
Dependent Claim
28 words
53 . The biopsy kit of claim 52 , wherein the distal end portion of the cutter introducer further includes a circumferential bevel spaced from the atraumatic tip.
Claim 59
Dependent Claim
202 words
54 . A biopsy kit comprising: a biopsy instrument suitable for collection of at least one tissue sample from a biopsy side in a lumen, the biopsy instrument comprising a holster, a housing reciprocably mounted in the holster, a cutter drive motor in the housing, a power source within the housing and operably associated with the cutter drive motor, a switch operably associated with the cutter drive motor and the power source for energizing the motor, a hollow cutter driven by the cutter drive motor and rotatably mounted in the housing, a pusher rod removably mounted to the housing and slidably received within the hollow cutter, and a coupling mount for removably receiving a biopsy introducer; a cutter introducer sized for insertion into a mammary duct and for receiving the biopsy instrument therewithin, and comprising a hollow handle including an azimuth indicator; an elongated sheath having an open distal end, an open proximal end, defining a cut-out at a distal end portion thereof and having a proximal end portion of the sheath fixed in the handle; and an azimuth marker for placement about a breast nipple and having circumferential markings, whereby the azimuth indicator is suitable for alignment with the circumferential markings.
Claim 60
Dependent Claim
202 words
54 . A biopsy kit comprising: a biopsy instrument suitable for collection of at least one tissue sample from a biopsy side in a lumen, the biopsy instrument comprising a holster, a housing reciprocably mounted in the holster, a cutter drive motor in the housing, a power source within the housing and operably associated with the cutter drive motor, a switch operably associated with the cutter drive motor and the power source for energizing the motor, a hollow cutter driven by the cutter drive motor and rotatably mounted in the housing, a pusher rod removably mounted to the housing and slidably received within the hollow cutter, and a coupling mount for removably receiving a biopsy introducer; a cutter introducer sized for insertion into a mammary duct and for receiving the biopsy instrument therewithin, and comprising a hollow handle including an azimuth indicator; an elongated sheath having an open distal end, an open proximal end, defining a cut-out at a distal end portion thereof and having a proximal end portion of the sheath fixed in the handle; and an azimuth marker for placement about a breast nipple and having circumferential markings, whereby the azimuth indicator is suitable for alignment with the circumferential markings.
Claim 61
Dependent Claim
21 words
55 . The biopsy kit of claim 54 , further including a power source within the housing of the biopsy instrument.
Claim 62
Dependent Claim
16 words
56 . The biopsy kit of claim 55 , wherein the power source is a battery.
Claim 63
Dependent Claim
16 words
57 . The biopsy kit of claim 56 , wherein the battery is a primary battery.
Claim 64
Dependent Claim
16 words
58 . The biopsy kit of claim 57 , wherein the battery is a secondary battery.
Claim 65
Dependent Claim
24 words
59 . The biopsy kit of claim 54 , wherein the coupling mount is a boss terminating in an distal radially outwardly extending flange.
Claim 66
Dependent Claim
21 words
60 . The biopsy kit of claim 54 , wherein the introducer handle further includes a pair of spaced azimuth indicators.
Claim 67
Dependent Claim
28 words
61 . The biopsy kit of claim 54 , wherein the introducer handle further includes a coupling socket for rotatable mounting to a coupling mount on the holster.
Claim 68
Dependent Claim
34 words
62 . The biopsy kit of claim 54 , further including a tissue anchor slidably and rotatably mounted within the elongated sheath of the introducer at the distal end portion thereof and extendable therefrom.
Claim 69
Dependent Claim
47 words
63 . The biopsy kit of claim 62 , wherein the tissue anchor further comprises a hollow hub, at least one flexible outwardly biased tine extending from the hub, and a latch on the hub for engagement with a distal end portion of an elongated retriever rod.
Claim 70
Dependent Claim
21 words
64 . The biopsy kit of claim 54 , wherein the introducer is sized for removably receiving an endoscope viewing assembly.
Claim 71
Dependent Claim
17 words
65 . The biopsy kit of claim 54 , wherein the switch is biased to the OFF-position.
Claim 72
Dependent Claim
85 words
66 . A biopsy method for retrieving tissue samples from a mammary duct of a human patient which comprises the steps of: positioning an azimuth marker having encircling markings about a breast nipple; inserting a cutter introducer through the breast nipple into a mammary duct to be sampled; introducing a biopsy instrument having an azimuth indicator into said mammary duct; aligning the azimuth indicator with a predetermined marking on the azimuth marker; and retrieving a tissue sample from said mammary duct using the biopsy instrument.
Claim 73
Dependent Claim
85 words
66 . A biopsy method for retrieving tissue samples from a mammary duct of a human patient which comprises the steps of: positioning an azimuth marker having encircling markings about a breast nipple; inserting a cutter introducer through the breast nipple into a mammary duct to be sampled; introducing a biopsy instrument having an azimuth indicator into said mammary duct; aligning the azimuth indicator with a predetermined marking on the azimuth marker; and retrieving a tissue sample from said mammary duct using the biopsy instrument.
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