Patent US3459187A successfully refreshed from Google Patents.
US4597756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angular implant device
Assignee: Baxter International Inc
•
Filing: 1985-04-19
•
Granted: 1986-07-01
•
Expires: 2005-04-19
Abstract
Abstract An implant device having a passageway and an anchor means for establishing a biological anchor both formed from either pyrolitic carbon disposed or a graphite subtrate or virneous carbon. The passageway having an inlet inclined with respect to the passageway outlet from between 45 and 75 degrees.
Inventors
- 👤 Donald A. Raible
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:56
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/02; A61M39/0247; A61F; A61F5/00; A61F5/44; A61F5/445; A61F2005/4402; A61F2005/4455; A61M2039/0261; A61M2039/0264
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A urterostomy device comprising: a passageway having an anchor means, both of which are formed from a material selected from the group consisting of (1) pyrolytic carbon disposed on a graphite substrate and (2) vitreous carbon, for attachment to an opened vessel; said anchor means for establishing a biological anchor; and said passageway being further defined as having two substantially rigid inlet sections, each such inlet being initiated with a passageway outlet and having an outlet section terminated with a passageway outlet, said outlet section being in communication with said inlet section, wherein the axial centerline passing through the center of each passageway inlet is inclined with respect to the axial centerline passing through the center of said passageway outlet from between about 45 degrees and about 75 degrees.
Claim 2
Dependent Claim
129 words
A urterostomy device comprising: a passageway having an anchor means, both of which are formed from a material selected from the group consisting of (1) pyrolytic carbon disposed on a graphite substrate and (2) vitreous carbon, for attachment to an opened vessel; said anchor means for establishing a biological anchor; and said passageway being further defined as having two substantially rigid inlet sections, each such inlet being initiated with a passageway outlet and having an outlet section terminated with a passageway outlet, said outlet section being in communication with said inlet section, wherein the axial centerline passing through the center of each passageway inlet is inclined with respect to the axial centerline passing through the center of said passageway outlet from between about 45 degrees and about 75 degrees.
References Cited (Backward Citations)
US2624341A
Cited
US3663965A
Cited
US3765032A
Cited
US4015601A
Cited
US4183357A
Cited
US4164221A
Cited
US4217664A
Cited
US4350157A
Cited
US4484912A
Cited
US4512761A
Cited
US4534760A
Cited
US4534761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-30 | 1989-12-30 | 1990-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-30 | 1993-12-30 | 1994-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-30 | 1997-12-30 | 1998-07-01 | $7700.00 | Window Closed / Lapsed |