US3713441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of using an artery vein shunt applique
Assignee: Battelle Development Corp
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Filing: 1970-10-22
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Granted: 1973-01-30
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Expires: 1990-10-22
Abstract
Abstract An artery-vein shunt having graft material applique secured at its ends is permanently implanted by suturing the applique to the host blood vessels. The shunt is particularly intended for use in hemodialysis.
Inventors
- 👤 G Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:09
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/02; A61M39/0247; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/064; A61M2039/0258; A61M2039/0291
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
87 words
A method for implanting an artery-vein shunt which comprises attaching a first elastomeric tube to a surgically pre-formed opening in an artery by suturing graft material secured at one end of the tube to the edges of the opening in the artery, attaching a second elastomeric tube to a surgically pre-formed opening in a vein by suturing graft material secured at one end of the tube to the edges of the opening in the vein, and connecting the free ends of the first and second elastomeric tubes.
Claim 2
Independent Claim
87 words
A method for implanting an artery-vein shunt which comprises attaching a first elastomeric tube to a surgically pre-formed opening in an artery by suturing graft material secured at one end of the tube to the edges of the opening in the artery, attaching a second elastomeric tube to a surgically pre-formed opening in a vein by suturing graft material secured at one end of the tube to the edges of the opening in the vein, and connecting the free ends of the first and second elastomeric tubes.
Claim 3
Independent Claim
87 words
A method for implanting an artery-vein shunt which comprises attaching a first elastomeric tube to a surgically pre-formed opening in an artery by suturing graft material secured at one end of the tube to the edges of the opening in the artery, attaching a second elastomeric tube to a surgically pre-formed opening in a vein by suturing graft material secured at one end of the tube to the edges of the opening in the vein, and connecting the free ends of the first and second elastomeric tubes.
Claim 4
Independent Claim
87 words
A method for implanting an artery-vein shunt which comprises attaching a first elastomeric tube to a surgically pre-formed opening in an artery by suturing graft material secured at one end of the tube to the edges of the opening in the artery, attaching a second elastomeric tube to a surgically pre-formed opening in a vein by suturing graft material secured at one end of the tube to the edges of the opening in the vein, and connecting the free ends of the first and second elastomeric tubes.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |