Patent US3357431A successfully refreshed from Google Patents.
US3357431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neurosurgical apparatus
Assignee: Allen and Hanburys Ltd
•
Filing: 1965-03-03
•
Granted: 1967-12-12
•
Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Newell George Nodder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
A; A61; A61B; A61B90/00; A61B90/10; A61B90/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A SURGICAL STEREOTACTIC INSTRUMENT WHICH COMPRISES: (A) A CREST FRAME ADAPTED TO BE FITTED TO THE CRANIUM OF A PATIENT TO BE TREATED ALONG THE MID-SAGITTAL PLANE; (B) A CARRIAGE MOVABLY ATTACHED TO THE CREST FRAME; (C) A CYLINDER ATTACHED TRANSVERSELY TO SAID CARRIAGE; (D) A COLUMN MOUNTED ON THE CYLINDER AND EXTENDING VERTICALLY UPWARD THEREFROM; (E) A CROSS-ARM HAVING A SLOT THERETHROUGH ATTACHED SUBSTANTIALLY PERPENDICULARLY TO SAID COLUMN AND WHEN FITTED TO A PATIENT''S HEAD EXTENDING ACROSS THE PATIENT''S CRANIUM TRANSVERSE TO THE MID-SAGITTAL PLANE THEREOF; (F) TWO SIGHT ARMS, ONE ATTACHED NEAR EACH END OF THE CROSS-ARM, BOTH EXTENDING VERTICALLY IN THE SAME PLANE AS THE COLUMN; (G) TWO SIGHTS, EACH OF WHICH ARE ATTACHED TO THE DISTAL ENDS OF THE SIGHT ARMS; (H) A GUIDE TUBE SLIDABLY ATTACHED TO THE CYLINDER; AND (I) TREATMENT MEANS PASSING THROUGH THE SLOT IN THE CROSS-ARM AND GUIDED BY THE GUIDE TUBE TO CONTACT THE POINT TO BE TREATED.
Claim 2
Dependent Claim
158 words
A SURGICAL STEREOTACTIC INSTRUMENT WHICH COMPRISES: (A) A CREST FRAME ADAPTED TO BE FITTED TO THE CRANIUM OF A PATIENT TO BE TREATED ALONG THE MID-SAGITTAL PLANE; (B) A CARRIAGE MOVABLY ATTACHED TO THE CREST FRAME; (C) A CYLINDER ATTACHED TRANSVERSELY TO SAID CARRIAGE; (D) A COLUMN MOUNTED ON THE CYLINDER AND EXTENDING VERTICALLY UPWARD THEREFROM; (E) A CROSS-ARM HAVING A SLOT THERETHROUGH ATTACHED SUBSTANTIALLY PERPENDICULARLY TO SAID COLUMN AND WHEN FITTED TO A PATIENT''S HEAD EXTENDING ACROSS THE PATIENT''S CRANIUM TRANSVERSE TO THE MID-SAGITTAL PLANE THEREOF; (F) TWO SIGHT ARMS, ONE ATTACHED NEAR EACH END OF THE CROSS-ARM, BOTH EXTENDING VERTICALLY IN THE SAME PLANE AS THE COLUMN; (G) TWO SIGHTS, EACH OF WHICH ARE ATTACHED TO THE DISTAL ENDS OF THE SIGHT ARMS; (H) A GUIDE TUBE SLIDABLY ATTACHED TO THE CYLINDER; AND (I) TREATMENT MEANS PASSING THROUGH THE SLOT IN THE CROSS-ARM AND GUIDED BY THE GUIDE TUBE TO CONTACT THE POINT TO BE TREATED.
References Cited (Backward Citations)
US3061936A
Cited
US3223087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |