Patent US2825721A successfully refreshed from Google Patents.
USRE33569E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single lumen atherectomy catheter device
Assignee: Abbott Cardiovascular Systems Inc
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Filing: 1989-05-19
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Granted: 1991-04-09
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Expires: 2009-05-19
Abstract
Abstract Atherectomy device for removing material from an atheroma in the vascular system. A cutter is mounted in a cylindrical housing having a cutout on one side thereof at the distal end of a catheter. The catheter has a single luminal opening, and a flexible drive cable for operating the cutter passes through this opening. An inflatable balloon is positioned outside the housing opposite the cutout, and a medium for inflating the balloon is introduced through luminal opening of the catheter.
Inventors
- 👤 Hanson S. Gifford, III
- 👤 John B. Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:31
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3205; A61B17/3207; A61B17/320783; A61B17/22; A61B17/22031; A61B2017/22038; A61B2017/22051; A61B2017/22052
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
219 words
In an atherectomy device for removal of material from an atheroma in a vessel of the vascular system of a patient, a generally cylindrical housing, said housing being formed with a cutout extending longitudinally of the housing on one side of the housing, atheroma cutting means disposed within the housing, flexible guiding means secured to the proximal end of the housing for advancing the housing into the vessel, flexible drive means connected to the atheroma cutting means for operating the atheroma cutting means, balloon-like inflatable means carried by the housing and disposed on the exterior of the housing opposite the side in which the cutout is formed, said flexible guiding means having only a single lumen extending therethrough, said flexible drive means extending through said single lumen, means coupled to the balloon for establishing communication between the balloon and the single lumen, means including a balloon inflation port coupled to the flexible guiding means and in communication with the single lumen in the guiding means for introducing an inflatable medium into the single lumen for inflating the balloon-like member and fluid-tight means carried by the housing and the flexible guiding means for establishing proximal and distal seals about the flexible drive means so that the single lumen provides a fluid-tight passage between the balloon inflation port and the balloon.
Claim 2
Dependent Claim
219 words
In an atherectomy device for removal of material from an atheroma in a vessel of the vascular system of a patient, a generally cylindrical housing, said housing being formed with a cutout extending longitudinally of the housing on one side of the housing, atheroma cutting means disposed within the housing, flexible guiding means secured to the proximal end of the housing for advancing the housing into the vessel, flexible drive means connected to the atheroma cutting means for operating the atheroma cutting means, balloon-like inflatable means carried by the housing and disposed on the exterior of the housing opposite the side in which the cutout is formed, said flexible guiding means having only a single lumen extending therethrough, said flexible drive means extending through said single lumen, means coupled to the balloon for establishing communication between the balloon and the single lumen, means including a balloon inflation port coupled to the flexible guiding means and in communication with the single lumen in the guiding means for introducing an inflatable medium into the single lumen for inflating the balloon-like member and fluid-tight means carried by the housing and the flexible guiding means for establishing proximal and distal seals about the flexible drive means so that the single lumen provides a fluid-tight passage between the balloon inflation port and the balloon.
Claim 3
Dependent Claim
56 words
A device as in claim 1 together with rotatable coupling means connecting the flexible guiding means to the means forming an inflation port connected into the single lumen so as to permit rotation of the housing and the flexible guiding means independent of rotation of the means providing an inflation port and the flexible drive means.
Claim 4
Dependent Claim
20 words
A device as in claim 1 wherein the proximal seal is disposed proximal of the means forming an inflation port.
Claim 5
Dependent Claim
22 words
A device as in claim 1 wherein said distal sealing means is disposed distal of the distal extremity of the single lumen.
Claim 6
Dependent Claim
16 words
A device as in claim 1 wherein said distal sealing means is disposed within the housing.
Claim 7
Dependent Claim
16 words
A device as in claim 1 together with a movable guide wire carried by the same.
Claim 8
Dependent Claim
18 words
A device as in claim 6 wherein the movable guide wire extends through the flexible drive means. .Iadd.
Claim 9
Independent Claim
104 words
A device comprising: flexible guiding means having a lumen extending from a proximal end to a distal end thereof; a housing mounted on the distal end of the flexible guiding means, said housing having a cutout therein; flexible drive means extending through the lumen of the flexible guiding means and into the housing; a work performing device secured to the flexible drive means; inflatable means carried by the housing; means coupling the inflatable means to the lumen; and means for establishing fluid-tight sealing between the lumen and the interior of the housing, said means allowing the passage of the drive means therethrough. .Iaddend. .Iadd.
Claim 10
Independent Claim
104 words
A device comprising: flexible guiding means having a lumen extending from a proximal end to a distal end thereof; a housing mounted on the distal end of the flexible guiding means, said housing having a cutout therein; flexible drive means extending through the lumen of the flexible guiding means and into the housing; a work performing device secured to the flexible drive means; inflatable means carried by the housing; means coupling the inflatable means to the lumen; and means for establishing fluid-tight sealing between the lumen and the interior of the housing, said means allowing the passage of the drive means therethrough. .Iaddend. .Iadd.
Claim 11
Dependent Claim
26 words
A device as in claim 8, wherein the inflatable means is an inflatable balloon. .Iaddend. .Iadd.10. A device as in claim 8, wherein the means for
Claim 12
Dependent Claim
154 words
establishing fluid-tight sealing is an O-ring. .Iaddend. .Iadd.11. A device comprising: an elongate flexible tubular member having a lumen extending from a proximal end to a distal end thereof; a housing having a cutout therein mounted on the distal end of the flexible tubular member proximate an opening of the lumen; a flexible drive cable extending through the lumen of the flexible tubular member and into the housing; a work performing device secured to the distal end of the flexible drive cable within the housing; an inflatable balloon secured to the exterior of the housing; means for connecting the balloon to the lumen in the flexible tubular member whereby the balloon can be inflated and deflated; and means for forming a fluid-tight seal between the flexible tubular member and the interior of the housing, whereby the flexible drive cable can pass from the lumen of the tubular member to the housing while maintaining said
Claim 13
Dependent Claim
154 words
establishing fluid-tight sealing is an O-ring. .Iaddend. .Iadd.11. A device comprising: an elongate flexible tubular member having a lumen extending from a proximal end to a distal end thereof; a housing having a cutout therein mounted on the distal end of the flexible tubular member proximate an opening of the lumen; a flexible drive cable extending through the lumen of the flexible tubular member and into the housing; a work performing device secured to the distal end of the flexible drive cable within the housing; an inflatable balloon secured to the exterior of the housing; means for connecting the balloon to the lumen in the flexible tubular member whereby the balloon can be inflated and deflated; and means for forming a fluid-tight seal between the flexible tubular member and the interior of the housing, whereby the flexible drive cable can pass from the lumen of the tubular member to the housing while maintaining said
Claim 14
Dependent Claim
153 words
fluid-tight seal. .Iaddend. .Iadd.12. A device as in claim 11, wherein the flexible drive cable is hollow and an axial bore is provided in the housing, whereby the atherectomy device can receive a movable guide wire. .Iaddend. .Iadd.13. A device as in claim 11, wherein the housing has a cutout provided in a side thereof opposite to the balloon. .Iaddend. .Iadd.14. A device as in claim 13, wherein the work performing device is a cutter, whereby the cutter may be moved longitudinally past the cutout by the flexible drive cable. .Iaddend. .Iadd.15. A device as in claim 11, wherein the means for connecting the balloon to the lumen includes a reinforced extremity of the balloon passing through a hole in the housing, said hole being located proximally relative to the fluid-tight sealing means. .Iaddend. .Iadd.16. A device as in claim 11, wherein the means for forming a fluid-tight seal is an O-ring. .Iaddend.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-04-08 | 1994-10-08 | 1995-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-08 | 1998-10-08 | 1999-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-08 | 2002-10-08 | 2003-04-09 | $7700.00 | Window Closed / Lapsed |