US6562065B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable medical device with beneficial agent delivery mechanism
Assignee: Innovational Holdings LLC
•
Filing: 2000-08-28
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Granted: 2003-05-13
•
Expires: 2020-08-28
Abstract
Abstract An expandable tissue supporting device of the present invention employs ductile hinges at selected points in the expandable device. When expansion forces are applied to the device as a whole, the ductile hinges concentrate expansion stresses and strains in small well defined areas. The expandable medical device including ductile hinges provides the advantages of low expansion force requirements, relatively thick walls which are radio-opaque, improved crimping properties, high crush strength, reduced elastic recoil after implantation, and control of strain to a desired level. The expandable tissue supporting device includes a plurality of elongated beams arranged in a cylindrical device and connected together by a plurality of ductile hinges. Although many ductile hinge configurations are possible, the ductile hinges preferably have a substantially constant hinge cross sectional area which is smaller than a beam cross sectional area such that as the device is expanded from a first diameter to a second diameter, the ductile hinges experience plastic deformation while the beams are not plastically deformed.
Inventors
- 👤 John F. Shanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:48
CPC Classifications
A; A61; A61M; A61M29/00; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2/91; A61F2/915; A61F2002/91533; A61F2002/91541; A61F2002/9155; A61F2002/91558; A61F2250/00; A61F2250/0014; A61F2250/0018; A61F2250/0029; A61F2250/0036; A61F2250/0058; A61F2250/0067; A61F2250/0068
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
149 words
An expandable medical device comprising: a cylindrical tube; and a plurality of axial slots formed in the cylindrical tube in a staggered arrangement to define a network of elongated struts, wherein each of the elongated struts are axially displaced from adjacent struts, the cylindrical tube being expandable or compressible from a first diameter to a second diameter; and a plurality of ductile hinges formed between the elongated struts, the ductile hinges allowing the cylindrical tube to be expanded or compressed from the first diameter to the second diameter by deformation of the ductile hinges, wherein the ductile hinges are asymmetrically configured to reach a predetermined strain level upon a first percentage of expansion and to reach the predetermined strain level upon a second percentage of compression, the first percentage being larger than the second percentage; wherein the elongated struts include a plurality of holes for containing a beneficial agent.
Claim 2
Dependent Claim
149 words
An expandable medical device comprising: a cylindrical tube; and a plurality of axial slots formed in the cylindrical tube in a staggered arrangement to define a network of elongated struts, wherein each of the elongated struts are axially displaced from adjacent struts, the cylindrical tube being expandable or compressible from a first diameter to a second diameter; and a plurality of ductile hinges formed between the elongated struts, the ductile hinges allowing the cylindrical tube to be expanded or compressed from the first diameter to the second diameter by deformation of the ductile hinges, wherein the ductile hinges are asymmetrically configured to reach a predetermined strain level upon a first percentage of expansion and to reach the predetermined strain level upon a second percentage of compression, the first percentage being larger than the second percentage; wherein the elongated struts include a plurality of holes for containing a beneficial agent.
Claim 3
Dependent Claim
20 words
The expandable medical device according to claim 1 , further comprising a beneficial agent disposed within the plurality of holes.
Claim 4
Dependent Claim
16 words
The expandable medical device according to claim 2 , wherein said beneficial agent is a drug.
Claim 5
Dependent Claim
15 words
The expandable medical device according to claim 2 , wherein said beneficial agent includes chemotherapy.
Claim 6
Dependent Claim
21 words
The expandable medical device according to claim 1 , wherein the elongated beams have a thickness of at least 0.002 inch.
Claim 7
Dependent Claim
116 words
An expandable medical device comprising: a plurality of elongated beams, the plurality of elongated beams joined together to form a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter, the plurality of elongated beams each having a beam width in a circumferential direction, wherein the plurality of elongated beams are undeformed during expansion from the first diameter to the second diameter; and a plurality of ductile hinges connecting the plurality of beams together in the substantially cylindrical device, wherein the ductile hinges have a smaller cross sectional area than the struts; wherein the elongated beams include a plurality of holes for containing a beneficial agent.
Claim 8
Dependent Claim
116 words
An expandable medical device comprising: a plurality of elongated beams, the plurality of elongated beams joined together to form a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter, the plurality of elongated beams each having a beam width in a circumferential direction, wherein the plurality of elongated beams are undeformed during expansion from the first diameter to the second diameter; and a plurality of ductile hinges connecting the plurality of beams together in the substantially cylindrical device, wherein the ductile hinges have a smaller cross sectional area than the struts; wherein the elongated beams include a plurality of holes for containing a beneficial agent.
Claim 9
Dependent Claim
20 words
The expandable medical device according to claim 6 , further comprising a beneficial agent disposed within the plurality of holes.
Claim 10
Dependent Claim
16 words
The expandable medical device according to claim 7 , wherein said beneficial agent is a drug.
Claim 11
Dependent Claim
15 words
The expandable medical device according to claim 7 , wherein said beneficial agent includes chemotherapy.
Claim 12
Dependent Claim
21 words
The expandable medical device according to claim 6 , wherein the elongated beams have a thickness of at least 0.002 inch.
Claim 13
Dependent Claim
121 words
An expandable medical device comprising: a cylindrical tube; and a plurality of axial slots formed in the cylindrical tube in a staggered arrangement to define a network of elongated struts, wherein each of the elongated struts are axially displaced from adjacent struts, the cylindrical tube being expandable or compressible from a first diameter to a second diameter; and a plurality of ductile hinges formed between the elongated struts, the ductile hinges allowing the cylindrical tube to be expanded or compressed from the first diameter to the second diameter by deformation of the ductile hinges, wherein the ductile hinges have a smaller cross sectional area than the struts; wherein the elongated struts include a plurality of holes for containing a beneficial agent.
Claim 14
Dependent Claim
121 words
An expandable medical device comprising: a cylindrical tube; and a plurality of axial slots formed in the cylindrical tube in a staggered arrangement to define a network of elongated struts, wherein each of the elongated struts are axially displaced from adjacent struts, the cylindrical tube being expandable or compressible from a first diameter to a second diameter; and a plurality of ductile hinges formed between the elongated struts, the ductile hinges allowing the cylindrical tube to be expanded or compressed from the first diameter to the second diameter by deformation of the ductile hinges, wherein the ductile hinges have a smaller cross sectional area than the struts; wherein the elongated struts include a plurality of holes for containing a beneficial agent.
Claim 15
Dependent Claim
20 words
The expandable medical device according to claim 11 , further comprising a beneficial agent disposed within the plurality of holes.
Claim 16
Dependent Claim
16 words
The expandable medical device according to claim 12 , wherein said beneficial agent is a drug.
Claim 17
Dependent Claim
15 words
The expandable medical device according to claim 12 , wherein said beneficial agent includes chemotherapy.
Claim 18
Dependent Claim
21 words
The expandable medical device according to claim 11 , wherein the elongated beams have a thickness of at least 0.002 inch.
Claim 19
Dependent Claim
152 words
An expandable medical device comprising: a plurality of elongated beams, the plurality of elongated beams joined together to form a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter, the plurality of elongated beams each having a beam width in a circumferential direction; and a plurality of ductile hinges connecting the plurality of beams together in the substantially cylindrical device; wherein the elongated beams include a plurality of holes for containing a beneficial agent; wherein the ductile hinges have a substantially constant width in a circumferential direction along a portion of a hinge length which is at least ⅓ a total hinge length, wherein the hinge width is smaller than the beam width such that as the device is expanded from the first diameter to the second diameter the ductile hinges experience plastic deformation while the beams are not plastically deformed.
Claim 20
Dependent Claim
152 words
An expandable medical device comprising: a plurality of elongated beams, the plurality of elongated beams joined together to form a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter, the plurality of elongated beams each having a beam width in a circumferential direction; and a plurality of ductile hinges connecting the plurality of beams together in the substantially cylindrical device; wherein the elongated beams include a plurality of holes for containing a beneficial agent; wherein the ductile hinges have a substantially constant width in a circumferential direction along a portion of a hinge length which is at least ⅓ a total hinge length, wherein the hinge width is smaller than the beam width such that as the device is expanded from the first diameter to the second diameter the ductile hinges experience plastic deformation while the beams are not plastically deformed.
References Cited (Backward Citations)
US3657744A
Cited
US5876419A
Cited
US4300244A
Cited
US4531936A
Cited
US5441745A
Cited
US4542025A
Cited
US4834755A
Cited
US4580568A
Cited
US4824436A
Cited
US4650466A
Cited
US4733665B1
Cited
US4776337A
Cited
US4739762A
Cited
US4733665C2
Cited
US4739762B1
Cited
US4733665A
Cited
US4776337B1
Cited
US5102417A
Cited
US4955878A
Cited
US4957508A
Cited
US4800882A
Cited
US5059211A
Cited
US4969458A
Cited
US5460817A
Cited
EP0335341B1
Cited
US4989601A
Cited
US5059178A
Cited
US5213580A
Cited
US5019090A
Cited
US5053048A
Cited
US5195984A
Cited
US5292512A
Cited
US5443500A
Cited
US5078726A
Cited
US4960790A
Cited
US4990155A
Cited
US5171262A
Cited
US5674278A
Cited
US5059166A
Cited
US5176617A
Cited
US5049132A
Cited
US5234456A
Cited
US5242399A
Cited
US5344426A
Cited
US5092841A
Cited
US5447724A
Cited
US5407683A
Cited
US5286254A
Cited
EP0470569B1
Cited
US5304121A
Cited
US5171217A
Cited
US5197978A
Cited
US5197978B1
Cited
US5403858A
Cited
US5464450A
Cited
US5968092A
Cited
US5769883A
Cited
US5383892A
Cited
US5314688A
Cited
US5499373A
Cited
US5462866A
Cited
US5593434A
Cited
US5443496A
Cited
EP0566245B1
Cited
US5383928A
Cited
US5473055A
Cited
US6193746B1
Cited
US5449513A
Cited
US5342621A
Cited
US5578075B1
Cited
US5578075A
Cited
US5342348A
Cited
US5419760A
Cited
US5628787A
Cited
US5439686A
Cited
US5523092A
Cited
US5441515A
Cited
US5618299A
Cited
US5464650A
Cited
EP0627226B1
Cited
EP0706376B1
Cited
US5716981A
Cited
US5886026A
Cited
US5616608A
Cited
US5380299A
Cited
US5457113A
Cited
US5415869A
Cited
US5443497A
Cited
US5556413A
Cited
US5725549A
Cited
US5843120A
Cited
US5449373A
Cited
US6017362A
Cited
EP0679393B1
Cited
US5439446A
Cited
US5882335A
Cited
US5545210A
Cited
US5817152A
Cited
US5707385A
Cited
US5827322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-05-12 | 2006-11-11 | 2007-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-05-12 | 2010-11-11 | 2011-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-05-12 | 2014-11-11 | 2015-05-13 | $7700.00 | Window Closed / Lapsed |