US4452244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endarterectomy roller
Assignee: Individual
•
Filing: 1980-01-24
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Granted: 1984-06-05
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Expires: 2000-01-24
Abstract
Abstract An endarterectomy roller adapted to strip cores of atheromatous plaque from arteries is provided with disposable roller elements and with novel quick connect and disconnect elements for the roller elements.
Inventors
- 👤 Albert K. Chin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:40
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/83; A61B; A61B17/00; A61B17/28; A61B17/2812; A61B17/282; A61B17/22; A61B2017/22001; A61B2017/2829; A61B17/32; A61B17/3205; A61B17/3207; A61B2017/320741
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
133 words
An endarterectomy roller comprising a pair of jaw members interconnected for relative pivotal movement toward and away from each other and comprising pintle members carried thereby, elongated flexible and disposable plastic sleeve members freely fitted over said pintle members and adapted to be substantially freely rotatable thereon, and means interconnecting said sleeve members and pintle members enabling a quick connection and disconnection therebetween by the expedient of, respectively, simply axially pulling said sleeve members off of said pintle members and simply axially pushing said sleeve members onto said pintle members, said means comprising flexible annular tongue means extending from one pair of the pairs of sleeve and pintle members and complemental annular grooves formed in the other pair thereof and adapted to be snap-fittingly engaged and disengaged with respect to said tongue means.
Claim 2
Dependent Claim
133 words
An endarterectomy roller comprising a pair of jaw members interconnected for relative pivotal movement toward and away from each other and comprising pintle members carried thereby, elongated flexible and disposable plastic sleeve members freely fitted over said pintle members and adapted to be substantially freely rotatable thereon, and means interconnecting said sleeve members and pintle members enabling a quick connection and disconnection therebetween by the expedient of, respectively, simply axially pulling said sleeve members off of said pintle members and simply axially pushing said sleeve members onto said pintle members, said means comprising flexible annular tongue means extending from one pair of the pairs of sleeve and pintle members and complemental annular grooves formed in the other pair thereof and adapted to be snap-fittingly engaged and disengaged with respect to said tongue means.
Claim 3
Dependent Claim
65 words
The endarterectomy roller of claim 1, said tongue means comprising inwardly directed flanges formed on the outer ends of said sleeve members, said grooves being formed in said pintle members adjacent the outer ends thereof, the outer ends of said pintle members being rounded and the outer sides of said grooves being bevelled to facilitate snap-fitting connection and disconnection between said flanges and said grooves.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-05 | 1987-12-05 | 1988-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-05 | 1991-12-05 | 1992-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-05 | 1995-12-05 | 1996-06-05 | $7700.00 | Window Closed / Lapsed |