US3606878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle instrument for extracting biopsy sections
Assignee: Individual
•
Filing: 1968-10-04
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Granted: 1971-09-21
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Expires: 1988-10-04
Abstract
Abstract SPECIMEN TISSUE DRAWN BY SUCTION INTO A SPECIALLY FORMED SIDE PORT ADJACENT THE HOLLOW PENETRATING NEEDLE TIP IS SEVERED BY FORWARD MOTION OF A TUBULAR CUTTER SLIDABLE IN THE NEEDLE PASSAGE THROUGH PREHENSILE APPLICATION OF THUMB PRESSURE ON THE OUTER END OF AN ACTUATOR ROD. SUCTION IS APPLIED TO THE NEEDLE PASSAGE BEHIND THE CUTTER AND REACHES THE PORT THROUGH PASSAGE IN THE CUTTER ITSELF SO AS TO HELP RETAIN THE SPECIMEN IN THE CUTTER CUP. THE CUTTER IS REMOVABLE TO FACILITATE DISLODGING OF THE SPECIMEN AND TO SHARPEN AND CLEAN THE CUTTER.
Inventors
- 👤 Howard B Kellogg Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:26
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/04; A61B17/00; A61B17/32; A61B17/3205; A61B17/3207; A61B17/320783; A61B17/30; A61B2017/306; Y; Y10; Y10S; Y10S252/00; Y10S252/18
Claims Analysis
Total Claims: 0
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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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |