US3587588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cervix dilating instrument and method
Assignee: BIO ENGINEERING Inc
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Filing: 1968-09-09
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Granted: 1971-06-28
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Expires: 1988-09-09
Abstract
Abstract A DILATION INSTRUMENT AND PROCEDURE FOR DILATING THE CERVIX OF THE HUMAN UTERUS. THE INSTRUMENT IS OF GENERALLY CYLINDRICAL CROSS-SECTIONAL CONFIGURATION AND DIVERGES RADIALLY OUTWARDLY FROM ITS DISTAL END, WITH A MAXIMUM TAPER ADJACENT ITS END, AND A DIMINISHING TAPER ALONG ITS LENGTH. THE INSTRUMENT IS RELEASABLY CONNECTED TO A VIBRATING TOOL TO CAUSE LONGITUDINAL RECIPROCATING VIBRATORY MOTION TO BE IMPARTED. AN ADJUSTABLE STOP MEMBER IS PROVIDED TO CONTROL THE DEPTH OF PENETRATION OF THE INSTRUMENT INTO THE XERVIX AND UTERUS.
Inventors
- 👤 William C Murr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:53
CPC Classifications
A; A61; A61M; A61M29/00
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |