US3298372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical hydrocephalus shunt sleeve for placement in a vertebra
Assignee: Individual
•
Filing: 1963-12-17
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Granted: 1967-01-17
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Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 Feinberg Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:06
CPC Classifications
A; A61; A61M; A61M27/00; A61M27/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
APPARATUS FOR TREATING HYDROCEPHALUS COMPRISING A THIN-WALLED, CYLINDRICAL SHELL OPEN AT BOTH ENDS FOR INSERTING INTO THE MARROW OF A VERTEBRA, SAID SHELL HAVING RELATIVELY LARGE INSIDE AND OUTSIDE SURFACE AREAS OF COMPARABLE EXTENT SO AS TO DEFINE A RELATIVELY LARGE CHAMBER; A FLANGE AT ONE END OF SAID SHELL; MEANS ON THE EXTERIOR SURFACE OF SAID SHELL FOR FRICTIONALLY ENGAGING SAID VERTEBRA WHEN SAID SHELL IS INSERTED THEREINTO, AND A PLURALITY OF APERTURES IN SAID SHELL, SAID APERTURES EXTENDING ALONG A MAJOR PORTION OF THE LENGTH OF SAID SHELL, AND AROUND A MAJOR PORTION OF THE CIRCUMFERENCE OF SAID SHELL, SO THAT FLUID ACCUMULATING IN SAID CHAMBER CAN BE RAPIDLY RELEASED OUT THROUGH THE OTHER END OF SAID SHELL AND SAID APERTURES INTO SEVERAL RELATIVELY LARGE AREAS OF MARROW DISPERSED THROUGHOUT THE VERTEBRA.
Claim 2
Dependent Claim
134 words
APPARATUS FOR TREATING HYDROCEPHALUS COMPRISING A THIN-WALLED, CYLINDRICAL SHELL OPEN AT BOTH ENDS FOR INSERTING INTO THE MARROW OF A VERTEBRA, SAID SHELL HAVING RELATIVELY LARGE INSIDE AND OUTSIDE SURFACE AREAS OF COMPARABLE EXTENT SO AS TO DEFINE A RELATIVELY LARGE CHAMBER; A FLANGE AT ONE END OF SAID SHELL; MEANS ON THE EXTERIOR SURFACE OF SAID SHELL FOR FRICTIONALLY ENGAGING SAID VERTEBRA WHEN SAID SHELL IS INSERTED THEREINTO, AND A PLURALITY OF APERTURES IN SAID SHELL, SAID APERTURES EXTENDING ALONG A MAJOR PORTION OF THE LENGTH OF SAID SHELL, AND AROUND A MAJOR PORTION OF THE CIRCUMFERENCE OF SAID SHELL, SO THAT FLUID ACCUMULATING IN SAID CHAMBER CAN BE RAPIDLY RELEASED OUT THROUGH THE OTHER END OF SAID SHELL AND SAID APERTURES INTO SEVERAL RELATIVELY LARGE AREAS OF MARROW DISPERSED THROUGHOUT THE VERTEBRA.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |