US3204634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical catheter
Assignee: Individual
•
Filing: 1964-02-05
•
Granted: 1965-09-07
•
Expires: 1984-02-05
Abstract
No abstract record available.
Inventors
- 👤 Wilbur R Koehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:13
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/18; A; A61; A61B; A61B17/00; A61B17/34; A61B17/3415; A61B17/3417; A61L; A61L29/00; A61L29/08; A61L29/085; A61M; A61M25/00; A61M25/0009; A61M25/01; A61M25/06; A61M25/0606; B29; B29C; B29C41/00; B29C41/02; B29C41/14; A61M25/065; A61M2025/0656
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A SURGICAL UNIT COMPRISING A NEEDLE HAVING A SMOOTH CONTINUOUS SHANK WITH ONE END BEVELED TO PROVIDE A SHARP CUTTING EDGE AND A HANDLE AT THE OTHER END, A CATHETER CONCENTRICALLY ENGAGING THE OUTER SURFACE OF THE SHANK OF THE NEEDLE AT THE REAR OF THE POINTED END, SAID CATHETER HAVING A TUBULAR WALL AND AN END ADJACENT THE POINT END OF THE NEEDLE THE WALL OF SAID CATHETER CLOSELY FITTING THE SHANK OF THE NEEDLE AT THE REAR OF THE POINTED END AND SUBSTANTIALLY THE ENTIRE LENGTH OF THE CATHETER WALL BEING OF PROGRESSIVELY INCREASING THICKNESS FROM ITS END ADJACENT THE POINTED END OF THE NEEDLE TOWARD THE HANDLE, AND THE END OF THE CATHETER ADJACENT THE POINTED END OF THE NEEDLE BEING THIN AND HAVING ROUNDED EDGES FROM THE PERIPHERY OF THE NEEDLE TO THE PERIPHERY OF THE CATHETER WHEREBY TO ADAPT THE END OF THE CATHETER TO FOLLOW THE SHARP POINTED END OF THE NEEDLE INTO A BODY CAVITY AND PERMIT THE NEEDLE TO BE WITHDRAWN BY RELATIVELY SLIDING THE NEEDLE AND CATHETER.
Claim 2
Dependent Claim
176 words
A SURGICAL UNIT COMPRISING A NEEDLE HAVING A SMOOTH CONTINUOUS SHANK WITH ONE END BEVELED TO PROVIDE A SHARP CUTTING EDGE AND A HANDLE AT THE OTHER END, A CATHETER CONCENTRICALLY ENGAGING THE OUTER SURFACE OF THE SHANK OF THE NEEDLE AT THE REAR OF THE POINTED END, SAID CATHETER HAVING A TUBULAR WALL AND AN END ADJACENT THE POINT END OF THE NEEDLE THE WALL OF SAID CATHETER CLOSELY FITTING THE SHANK OF THE NEEDLE AT THE REAR OF THE POINTED END AND SUBSTANTIALLY THE ENTIRE LENGTH OF THE CATHETER WALL BEING OF PROGRESSIVELY INCREASING THICKNESS FROM ITS END ADJACENT THE POINTED END OF THE NEEDLE TOWARD THE HANDLE, AND THE END OF THE CATHETER ADJACENT THE POINTED END OF THE NEEDLE BEING THIN AND HAVING ROUNDED EDGES FROM THE PERIPHERY OF THE NEEDLE TO THE PERIPHERY OF THE CATHETER WHEREBY TO ADAPT THE END OF THE CATHETER TO FOLLOW THE SHARP POINTED END OF THE NEEDLE INTO A BODY CAVITY AND PERMIT THE NEEDLE TO BE WITHDRAWN BY RELATIVELY SLIDING THE NEEDLE AND CATHETER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |