US20040060563A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bronchial flow control devices and methods of use
Assignee: Pulmonx Corp
•
Filing: 2003-07-25
•
Granted: —
•
Expires: 2023-07-25
Abstract
Abstract A flow control device includes a sealing component that can be positioned within a bronchial lumen. The sealing component can comprise two or more overlapping segments that are movable relative to one another such that the segments collectively form a seal that can expand and contract in size to fit within and seal bronchial lumens of various sizes.
Inventors
- 👤 Alan Rapacki
- 👤 Michael Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:06
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61B; A61B17/00; A61B17/12; A61B17/12022; A61B17/12027; A61B17/12036; A61B17/1204; A61B17/12099; A61B17/12104; A61B17/12131; A61B17/12168; A61B17/12172; A61F2/24; A61F2/2412; A61F2/2476; A61F2/82; A61F2/86; A61F2/90; A61F2/91; F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/147; A61B17/22; A61B17/221; A61B2017/1205; A61B2017/12054; A61B90/00; A61B90/06; A61B2090/061; A61F2/06; A61F2/2418; A61F2/2427; A61F2002/043; A61F2220/00; A61F2220/0025; A61F2220/0041; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/005; A61F2230/0054; A61F2230/0063; A61F2230/0067; A61F2230/0073; A61F2230/0076; A61F2230/0078; A61F2230/0093; Y; Y10; Y10S; Y10S128/00; Y10S128/912
Claims Analysis
Total Claims: 77
Claim 1
Independent Claim
60 words
1 . A flow control device, comprising: a sealing component that can be positioned within a bronchial lumen, the sealing component comprised of two or more overlapping segments that are movable relative to one another such that the segments collectively form a seal that can expand and contract in size to fit within and seal bronchial lumens of various sizes.
Claim 2
Dependent Claim
60 words
1 . A flow control device, comprising: a sealing component that can be positioned within a bronchial lumen, the sealing component comprised of two or more overlapping segments that are movable relative to one another such that the segments collectively form a seal that can expand and contract in size to fit within and seal bronchial lumens of various sizes.
Claim 3
Dependent Claim
44 words
2 . A device as defined in claim 1 , wherein the sealing component permits fluid flow in a first direction and prevents fluid flow in a second direction opposed to the first direction when the sealing component is located within a bronchial lumen.
Claim 4
Dependent Claim
38 words
3 . A device as defined in claim 1 , wherein the overlapping segments collectively form a conical shape and wherein the diameter of the conical shape can vary as one segment moves with respect to another segment.
Claim 5
Dependent Claim
28 words
4 . A device as defined in claim 1 , further comprising a retainer frame comprising a core and a first set of one or more deployable arms.
Claim 6
Dependent Claim
17 words
5 . A device as defined in claim 4 , wherein the deployable arms are laterally biased.
Claim 7
Dependent Claim
26 words
6 . A device as defined in claim 4 , wherein the two or more overlapping segments of the sealing component are attached to the core.
Claim 8
Dependent Claim
20 words
7 . A device as defined in claim 4 , wherein the core is formed integrally with the deployable arms.
Claim 9
Dependent Claim
32 words
8 . A device as defined in claim 4 , wherein the overlapping segments of the sealing component project in a proximal direction and the deployable arms project in a distal direction.
Claim 10
Dependent Claim
22 words
9 . A device as defined in claim 4 , wherein the retainer frame further comprises a second set of deployable arms.
Claim 11
Dependent Claim
23 words
10 . A device as defined in claim 9 , wherein the second set of deployable arms are formed integrally with the core.
Claim 12
Dependent Claim
22 words
11 . A device as defined in claim 9 , wherein the second set of deployable arms project in a proximal direction.
Claim 13
Dependent Claim
20 words
12 . A device as defined in claim 9 , wherein the second set of deployable arms are laterally biased.
Claim 14
Dependent Claim
30 words
13 . A device as defined in claim 9 , wherein the two or more overlapping segments of the sealing component are supported by the second set of deployable arms.
Claim 15
Dependent Claim
45 words
14 . A device as defined in claim 4 , wherein the two or more overlapping segments of the sealing component are supported by the first set of deployable arms to maintain the seal of the bronchial lumen against fluid flow in a first direction.
Claim 16
Dependent Claim
29 words
15 . A device as defined in claim 14 wherein the overlapping segments are axially deflectable away from the deployable arms to allow fluid flow in a second direction.
Claim 17
Dependent Claim
22 words
16 . A device as defined in claim 4 , further comprising one or more sleeves slideably positioned over the retainer frame.
Claim 18
Dependent Claim
33 words
17 . A device as defined in claim 16 , wherein the one or more sleeves are adapted to slide over the first set of deployable arms to radially collapse the deployable arms.
Claim 19
Dependent Claim
31 words
18 . A device as defined in claim 16 , wherein the one or more sleeves is adapted to be coupled to an actuation element for pushing or pulling the sleeves.
Claim 20
Dependent Claim
24 words
19 . A device as defined in claim 18 , wherein the one or more sleeves comprises a receptacle for receiving the actuation element.
Claim 21
Dependent Claim
22 words
20 . A device as defined in claim 16 , wherein receptacle is adapted to allow removal of the actuation element therefrom.
Claim 22
Dependent Claim
35 words
21 . A device as defined in claim 1 , wherein each overlapping segment has a radial edge configured to overlap an adjacent overlapping segment, the radial edge being unconnected to the adjacent overlapping segment.
Claim 23
Dependent Claim
35 words
22 . A device as defined in claim 1 , wherein each overlapping segment has a radial edge configured to overlap an adjacent overlapping segment, the radial edge being connected to the adjacent overlapping segment.
Claim 24
Dependent Claim
28 words
23 . A device as defined in claim 1 , wherein each of the overlapping segments is connected to another of the overlapping segments by a foldable section.
Claim 25
Dependent Claim
21 words
24 . A device as defined in claim 23 , wherein the foldable section is less stiff than the overlapping segments.
Claim 26
Dependent Claim
76 words
25 . A flow control device, comprising: a retainer frame comprising a core, a first set of deployable arms projecting from the core, and a second set of deployable arms projecting from the core; and a sealing component comprising two or more overlapping segments that are movable relative to one another such that the segments collectively form a seal that can expand and contract in size to fit within and seal bronchial lumens of various sizes.
Claim 27
Dependent Claim
76 words
25 . A flow control device, comprising: a retainer frame comprising a core, a first set of deployable arms projecting from the core, and a second set of deployable arms projecting from the core; and a sealing component comprising two or more overlapping segments that are movable relative to one another such that the segments collectively form a seal that can expand and contract in size to fit within and seal bronchial lumens of various sizes.
Claim 28
Dependent Claim
28 words
26 . A flow control device as defined in claim 25 , wherein said two or more overlapping segments are attached to the core of the retainer frame.
Claim 29
Dependent Claim
47 words
27 . A flow control device as defined in claim 25 , wherein the two or more overlapping segments of the sealing component are supported by the first set of deployable arms to maintain the seal of the bronchial lumen against fluid flow in a first direction.
Claim 30
Dependent Claim
46 words
28 . A flow control device as defined in claim 27 , wherein the two or more overlapping segments of the sealing component are axially deflectable away from the first set of deployable arms to allow fluid flow through the bronchial lumen in a second direction.
Claim 31
Dependent Claim
24 words
29 . A flow control device as defined in claim 25 , further comprising one or more sleeves slideably positioned over the retainer frame.
Claim 32
Dependent Claim
35 words
30 . A flow control device as defined in claim 29 , wherein the one or more sleeves are adapted for coupling to an actuation element for pushing or pulling the one or more sleeves.
Claim 33
Dependent Claim
42 words
31 . A flow control device as defined in claim 29 , wherein the one or more sleeves are adapted to slide over the first and second sets of deployable arms to radially collapse the first and second sets of deployable arms.
Claim 34
Dependent Claim
40 words
32 . A flow control device as defined in claim 25 , wherein the overlapping segments collectively form a conical shape and wherein the diameter of the conical shape is variable by moving one segment with respect to another segment.
Claim 35
Dependent Claim
38 words
33 . A flow control device as defined in claim 25 , wherein one of the first and second sets of deployable arms is configured to engage a wall of the bronchial lumen to anchor the device therein.
Claim 36
Dependent Claim
37 words
34 . A flow control device as defined in claim 25 , wherein each overlapping segment has a radial edge configured to overlap an adjacent overlapping segment, the radial edge being unconnected to the adjacent overlapping segment.
Claim 37
Dependent Claim
37 words
35 . A flow control device as defined in claim 21 , wherein each overlapping segment has a radial edge configured to overlap an adjacent overlapping segment, the radial edge being connected to the adjacent overlapping segment.
Claim 38
Dependent Claim
30 words
36 . A flow control device as defined in claim 25 , wherein each of the overlapping segments is connected to another of the overlapping segments by a foldable section.
Claim 39
Dependent Claim
23 words
37 . A flow control device as defined in claim 36 , wherein the foldable section is less stiff than the overlapping segments.
Claim 40
Dependent Claim
115 words
38 . A method of regulating fluid flow to and from a region of an individual's lung, comprising: placing a flow control device in a bronchial passage in communication with the region, the flow control device having a first set of one or more deployable arms in a collapsed configuration; and radially expanding the first set of one or more deployable arms into engagement with a wall of the bronchial passage to anchor the flow control device therein; wherein the flow control device has a plurality of overlapping segments that are movable relative to one another and collectively form a seal with a wall of the bronchial lumen that can expand and contract in size.
Claim 41
Dependent Claim
115 words
38 . A method of regulating fluid flow to and from a region of an individual's lung, comprising: placing a flow control device in a bronchial passage in communication with the region, the flow control device having a first set of one or more deployable arms in a collapsed configuration; and radially expanding the first set of one or more deployable arms into engagement with a wall of the bronchial passage to anchor the flow control device therein; wherein the flow control device has a plurality of overlapping segments that are movable relative to one another and collectively form a seal with a wall of the bronchial lumen that can expand and contract in size.
Claim 42
Dependent Claim
42 words
39 . A method as defined in claim 38 , wherein the overlapping segments form a seal against fluid flow through the bronchial passage into the region and are movable to allow fluid flow through the bronchial passage out of the region.
Claim 43
Dependent Claim
23 words
40 . A method as defined in claim 38 , wherein the overlapping segments are supported by the first set of deployable arms.
Claim 44
Dependent Claim
32 words
41 . A method as defined in claim 38 , further comprising radially expanding a second set of one or more deployable arms into engagement with the wall of the bronchial passage.
Claim 45
Dependent Claim
23 words
42 . A method as defined in claim 41 , wherein the overlapping segments are supported by the second set of deployable arms.
Claim 46
Dependent Claim
33 words
43 . A method as defined in claim 38 further comprising radially collapsing the first set of one or more deployable arms prior to placing the flow control device in the bronchial passage.
Claim 47
Dependent Claim
32 words
44 . A method as defined in claim 43 , wherein radially collapsing the deployable arms comprises positioning a sleeve over at least a portion of the one or more deployable arms.
Claim 48
Dependent Claim
21 words
45 . A method as defined in claim 44 , wherein the sleeve is slidably coupled to the flow control device.
Claim 49
Dependent Claim
23 words
46 . A method as defined in claims 44 , wherein positioning the sleeve comprises moving an actuator element coupled to the sleeve.
Claim 50
Dependent Claim
33 words
47 . A method as defined in claim 38 , further comprising removing the flow control device from the bronchial passage after radially expanding the first set of one or more deployable arms.
Claim 51
Dependent Claim
28 words
48 . A method as defined in claim 47 , wherein removing the flow control device comprises radially collapsing the first set of one or more deployable arms.
Claim 52
Dependent Claim
37 words
49 . A method as defined in claim 48 wherein radially collapsing the first set of one or more deployable arms comprises positioning a sleeve over at least a portion of the one or more deployable arms.
Claim 53
Dependent Claim
38 words
50 . A method as defined in claim 38 , wherein the overlapping segments collectively form a conical shape and wherein the diameter of the conical shape can vary as one segment moves with respect to another segment.
Claim 54
Dependent Claim
19 words
51 . A method as defined in claim 30 , wherein the overlapping segments are interconnected by foldable sections.
Claim 55
Dependent Claim
70 words
52 . A flow control device for placement in a body lumen comprising: a frame comprising a plurality of struts connected to a distal hub, at least a portion of each strut biased outwardly from the distal hub; and a membrane coupled to the struts thereby forming an umbrella shape, wherein the frame urges the membrane into engagement with a wall of the body lumen to form a seal therewith.
Claim 56
Dependent Claim
70 words
52 . A flow control device for placement in a body lumen comprising: a frame comprising a plurality of struts connected to a distal hub, at least a portion of each strut biased outwardly from the distal hub; and a membrane coupled to the struts thereby forming an umbrella shape, wherein the frame urges the membrane into engagement with a wall of the body lumen to form a seal therewith.
Claim 57
Dependent Claim
38 words
53 . A flow control device as claimed in claim 52 , further comprising a retention element attached to the frame and configured to engage the wall of the body lumen to anchor the flow control device therein.
Claim 58
Dependent Claim
27 words
54 . A flow control device as claimed in claim 53 , wherein the retention element comprises one or more retention struts protruding laterally from the frame.
Claim 59
Dependent Claim
23 words
55 . A flow control device as claimed in claim 52 , wherein the retention element comprises a coil extending from the frame.
Claim 60
Dependent Claim
16 words
56 . A flow control device as claimed in 52 , wherein the struts are curved.
Claim 61
Dependent Claim
24 words
57 . A flow control device as claimed in 52 , wherein one or more pleats are formed into the membrane between the struts.
Claim 62
Dependent Claim
36 words
58 . A flow control device as claimed in 52 , wherein the struts have distal ends coupled to the distal hub and proximal ends connected to a proximal hub, the struts being curved outwardly therebetween.
Claim 63
Dependent Claim
32 words
59 . A flow control device as claimed in 58 , wherein the proximal hub is axially movable relative to the distal hub to vary the degree of curvature in the struts.
Claim 64
Dependent Claim
31 words
60 . A flow control device as claimed in 59 , wherein the distal hub is connected to an axial member, the axial member being movable relative to the proximal hub.
Claim 65
Dependent Claim
17 words
61 . A flow control device as claimed in 60 , wherein axial member comprises a cable.
Claim 66
Dependent Claim
18 words
62 . A flow control device as claimed in 60 , wherein the axial member comprises a rod.
Claim 67
Dependent Claim
21 words
63 . A flow control device as claimed in 62 , wherein the proximal hub is threadably coupled to the rod.
Claim 68
Dependent Claim
22 words
64 . A flow control device as claimed in 58 , wherein the membrane extends over a distal portion of the struts.
Claim 69
Dependent Claim
41 words
65 . A flow control device as claimed in 58 , further comprising a retention element attached to the proximal hub, the retention element being configured to engage the wall of the body lumen to anchor the flow control device therein.
Claim 70
Dependent Claim
26 words
66 . A flow control device as claimed in 65 , wherein the retention element comprises a plurality of struts extending outwardly from the proximal hub.
Claim 71
Dependent Claim
31 words
67 . A flow control device as claimed in 58 , wherein the proximal hub comprises a locking mechanism for locking the proximal hub in place relative to the distal hub.
Claim 72
Dependent Claim
30 words
68 . A flow control device as claimed in 52 , wherein the struts are radially collapsible so that the flow control device can be inserted in the body lumen.
Claim 73
Dependent Claim
29 words
69 . A flow control device as claimed in claim 52 , wherein the struts have a stiffness sufficient to tension the membrane when deployed in the body lumen.
Claim 74
Dependent Claim
28 words
70 . A flow control device as claimed in claim 52 , wherein the struts have a stiffness sufficient to deform the body lumen into a polygonal shape.
Claim 75
Dependent Claim
36 words
71 . A flow control device as claimed in claim 52 , wherein the membrane is sufficiently flexible to seal with the wall of the body lumen when the membrane is not tensioned by the struts.
Claim 76
Dependent Claim
29 words
72 . A flow control device as claimed in claim 71 , wherein the membrane has a durometer in the range of 40 Shore A to 100 Shore A.
Claim 77
Dependent Claim
33 words
73 . A flow control device as claimed in claim 52 , further comprising a delivery device releasably coupled to the frame and configured to maintain the struts in a radially collapsed configuration.
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