US20020111619A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for creating collateral channels
Assignee: Broncus Medical Inc
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Filing: 2001-09-04
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Granted: —
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Expires: 2021-09-04
Abstract
Abstract The devices disclosed herein are directed to altering gaseous flow within a lung to improve the expiration cycle of, for instance, an individual having Chronic Obstructive Pulmonary Disease. More particularly, these devices produce collateral openings or channels through the airway wall so that oxygen depleted/carbon dioxide rich air is able to pass directly out of the lung tissue to facilitate both the exchange of oxygen ultimately into the blood and/or to decompress hyper-inflated lungs.
Inventors
- 👤 Thomas Keast
- 👤 David Thompson
- 👤 Don Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:07
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61B; A61B17/00; A61B17/064; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1485; A61B18/1492; A61B8/00; A61B8/12; A61B8/44; A61B8/4444; A61B8/445; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/92; A61B17/11; A61B18/1477; A61B17/0057; A61B2017/00575; A61B2017/00743; A61B2017/00809; A61B2018/00005; A61B2018/00315; A61B2018/00541; A61B2018/00571; A61B2018/00601; A61B2018/00982; A61B2018/1405; A61B2018/1425; A61B90/00; A61B90/39; A61B2090/3937; A61B2090/395; A61B5/00; A61B5/48; A61B5/4887; A61B5/489; A61B8/06; A61B90/36; A61F2/24; A61F2/2412; A61F2/2418; A61F2/91; A61F2002/043; A61F2002/061; A61F2002/072; A61F2/848; A61F2002/8483; A61F2220/00; A61F2220/0008; A61F2220/0025; A61F2220/005; A61F2220/0075; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/005; A61F2230/0054; A61F2230/0058; A61F2230/0063; A61F2230/0067; A61F2230/0073; A61F2230/0076; A61F2230/0078
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
92 words
1 . A medical device for detecting motion within tissue by observing a Doppler shift and for creating channels in tissue, the medical device comprising: a flexible elongate member having a proximal end and a distal end; a transducer assembly adapted to generate a source signal and receive a reflected signal, a portion of said assembly located adjacent to said distal end of said elongate member, said transducer assembly comprising a lens located at said distal end of said transducer assembly; and at least one heating element located distally of said lens.
Claim 2
Dependent Claim
92 words
1 . A medical device for detecting motion within tissue by observing a Doppler shift and for creating channels in tissue, the medical device comprising: a flexible elongate member having a proximal end and a distal end; a transducer assembly adapted to generate a source signal and receive a reflected signal, a portion of said assembly located adjacent to said distal end of said elongate member, said transducer assembly comprising a lens located at said distal end of said transducer assembly; and at least one heating element located distally of said lens.
Claim 3
Dependent Claim
27 words
2 . The medical device of claim 1 , wherein said heating element comprises a plurality of openings allowing for passage of said signals through said openings.
Claim 4
Dependent Claim
18 words
3 . The medical device of claim 2 , wherein said heating element comprises a metallic mesh material.
Claim 5
Dependent Claim
19 words
4 . The medical device of claim 1 , further comprising an energy source coupled to said heating element.
Claim 6
Dependent Claim
29 words
5 . The medical device of claim 4 , wherein said energy source comprises a RF energy source and wherein said heating element comprises at least one RF electrode.
Claim 7
Dependent Claim
19 words
6 . The medical device of claim 1 , wherein said transducer assembly includes at least one ultrasound transducer.
Claim 8
Dependent Claim
22 words
7 . The medical device of claim 1 , wherein said transducer assembly is moveable through a lumen of said elongate member.
Claim 9
Dependent Claim
63 words
8 . The medical device of claim 7 , wherein said lumen at said front end of said elongate body has a reduced opening smaller than a diameter of said transducer assembly and wherein at least said distal end of said elongate body is radially adjustable to permit said transducer assembly to extend out and retract within said lumen of said elongate body.
Claim 10
Dependent Claim
52 words
9 . The medical device of claim 1 , wherein said heating element comprises a u-shaped heating element having two ends where at least a first end is attached to said elongate member such that rotation of said elongate member rotates said u-shaped electrode permitting coring of tissue to create the channel.
References Cited (Backward Citations)
US5454809A
Cited
US4936281A
Cited
US6004269A
Cited
US5971980A
Cited
US6245020B1
Cited
US6206831B1
Cited
US6394956B1
Cited
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