Patent US5709224A successfully refreshed from Google Patents.
US5709224A
Expired / Lapsed
US
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Method and device for permanent vessel occlusion
Assignee: Boston Scientific Scimed Inc
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Filing: 1995-06-07
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Granted: 1998-01-20
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Expires: 2015-06-07
Abstract
Abstract Body lumens such as blood vessels are selectively occluded by mechanically collapsing the blood vessel and subsequently applying energy or other occlusive conditions within or adjacent the collapsed region. For example, vessel collapsing mechanisms can include spreadable opposed elements, reciprocating jaw mechanisms having penetrating elements, and devices for applying negative pressure to collapse the blood vessel. One or more electrodes can be used in a monopolar or bipolar fashion to apply radiofrequency or other energy to the body lumen in the region where it has been collapsed.
Inventors
- 👤 Robert S. Behl
- 👤 Thomas Palermo
- 👤 Colin J. Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:50
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1492; A61B2018/00053; A61B2018/00214
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
76 words
A method for occluding a body lumen, said method comprising: applying from within the lumen a force to draw opposed portions of the inner lumen wall at least partially together over an occlusion region, wherein said opposed portions are disposed across the lumen from each other; and injuring opposed portions of the inner wall while they are held together by the applied force, wherein the injured region heals to form an occlusion blocking the body lumen.
Claim 2
Independent Claim
76 words
A method for occluding a body lumen, said method comprising: applying from within the lumen a force to draw opposed portions of the inner lumen wall at least partially together over an occlusion region, wherein said opposed portions are disposed across the lumen from each other; and injuring opposed portions of the inner wall while they are held together by the applied force, wherein the injured region heals to form an occlusion blocking the body lumen.
Claim 3
Dependent Claim
20 words
A method as in claim 1, wherein the injuring step comprises initiating a radiofrequency current flow through the occlusion region.
Claim 4
Independent Claim
114 words
A method for occluding a body lumen, said method comprising: advancing a probe through the lumen to a target site; applying a force through the probe to draw opposed portions of the inner lumen wall together over an occlusion region, wherein the opposed portions lie across the lumen from each other; engaging at least one electrode on the probe against the lumen wall in or near the occlusion region; and initiating a radiofrequency current flow from the probe through the lumen wall at the occlusion region, wherein the current flow causes injury to the inner lumen wall in the occlusion region, wherein the injured region heals to form an occlusion blocking the body lumen.
Claim 5
Independent Claim
114 words
A method for occluding a body lumen, said method comprising: advancing a probe through the lumen to a target site; applying a force through the probe to draw opposed portions of the inner lumen wall together over an occlusion region, wherein the opposed portions lie across the lumen from each other; engaging at least one electrode on the probe against the lumen wall in or near the occlusion region; and initiating a radiofrequency current flow from the probe through the lumen wall at the occlusion region, wherein the current flow causes injury to the inner lumen wall in the occlusion region, wherein the injured region heals to form an occlusion blocking the body lumen.
Claim 6
Dependent Claim
14 words
A method as in claim 3, wherein the body lumen is a blood vessel.
Claim 7
Dependent Claim
16 words
A method as in claim 4, further comprising percutaneously introducing the probe to the blood vessel.
Claim 8
Dependent Claim
35 words
A method as in claim 3, wherein the force applying step comprises penetrating opposed elements from the probe into the opposed wall portions and closing the opposed elements to draw the opposed wall portions together.
Claim 9
Dependent Claim
24 words
A method as in claim 6, wherein the opposed elements are electrodes and wherein the current initiating step comprises flowing current between the electrodes.
Claim 10
Dependent Claim
30 words
A method as in claim 3, wherein the force applying step comprises spreading opposed elements on the probe to close the lumen along a transverse line defined by said elements.
Claim 11
Dependent Claim
36 words
A method as in claim 8, wherein the engaging step comprises engaging a pair of electrodes on the probe against the opposed wall portions and wherein the current initiating step comprises flowing current between said electrodes.
Claim 12
Dependent Claim
44 words
A method as in claim 8, wherein the engaging step comprises engaging a single electrode on the probe against the occlusion region and wherein the current initiating step comprises flowing current between the electrode and a dispersive electrode located remotely from the single electrode.
Claim 13
Dependent Claim
38 words
A method as in claim 3, wherein the force applying step comprises blocking the lumen adjacent to the target site and drawing a negative pressure through the probe to collapse the wall portions together over the occlusion region.
Claim 14
Dependent Claim
17 words
A method as in claim 11, wherein the blocking step comprises inflating a balloon on the probe.
Claim 15
Dependent Claim
44 words
A method as in claim 11, wherein the engaging step comprises engaging a single electrode on the probe against the occlusion region and wherein the current initiating step comprises flowing current between the electrode and a dispersive electrode located remotely from the single electrode.
Claim 16
Dependent Claim
36 words
A method as in claim 11, wherein the engaging step comprises engaging a pair of electrodes on the probe against the opposed wall portions and wherein the current initiating step comprises flowing current between said electrodes.
Claim 17
Dependent Claim
23 words
A method as in claim 3, wherein the current flow is at a frequency in the range from 200 kHz to 1.25 MHz.
Claim 18
Dependent Claim
20 words
A method as in claim 3, wherein the current flow is in the range from 50 mA to 1 A.
Claim 19
Dependent Claim
24 words
A method as in claim 3, wherein the current flow is applied for a time in the range from 5 seconds to 4 minutes.
Claim 20
Dependent Claim
25 words
A method as in claim 3, further comprising confirming effect of the occlusion region after applying the force and prior to initiating radiofrequency current flow.
References Cited (Backward Citations)
US1814791A
Cited
US1908583A
Cited
US1943543A
Cited
US2022065A
Cited
US1995526A
Cited
US3100489A
Cited
US3868956A
Cited
US4011872A
Cited
US4209018A
Cited
US4005714A
Cited
DE2540968A1
Cited
US4041952A
Cited
DE2646228A1
Cited
US4582057A
Cited
US4492231A
Cited
US4685459A
Cited
US4655216A
Cited
JPH02121675A
Cited
US4994069A
Cited
US5122136A
Cited
US5108407A
Cited
US5364393A
Cited
US5217484A
Cited
WO1993001758A1
Cited
WO1993006884A1
Cited
US5226911A
Cited
DE4139029A1
Cited
US5234437A
Cited
US5261916A
Cited
US5281216A
Cited
US5507744A
Cited
US5385544A
Cited
US5366490A
Cited
WO1994006503A1
Cited
US5312415A
Cited
US5250071A
Cited
US5415657A
Cited
WO1994009705A1
Cited
WO1994010936A1
Cited
WO1994011051A1
Cited
US5364389A
Cited
US5403311A
Cited
US5437644A
Cited
WO1995002366A1
Cited
US5405322A
Cited
US5437664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-01-19 | 2001-07-21 | 2002-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-01-19 | 2005-07-21 | 2006-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-01-19 | 2009-07-21 | 2010-01-20 | $7700.00 | Window Closed / Lapsed |