US4492220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaginal speculum protector
Assignee: NOVA HEALTHCARE INDUSTRIES Inc
•
Filing: 1982-11-15
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Granted: 1985-01-08
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Expires: 2002-11-15
Abstract
Abstract Disposable covers for the blades of a vaginal speculum are provided to prevent cross contamination of patients examined by the same instrument.
Inventors
- 👤 Allen L. Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:18
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/32; A61B1/00142
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
320 words
A pair of identical disposable covers for use with a vaginal speculum of the type including a lower elongated blade, an upper elongated blade pivotally mounted at its rearward end to the rearward end of the lower blade, and a handle formed integrally with the rearward end of the lower blade and extending downwardly therefrom: A. each cover comprising first and second elongated sheets of a smooth, compliant, plastic material, 1. said first elongated sheet having a size and shape conforming to a speculum blade surface, 2. said second elongated sheet having a forward portion overlying and conforming to said first sheet and a rearward portion extending rearwardly from the rearwardly edge of the first sheet; B. said sheets being suitably joined together along their forward edges and along their confronting side edges to form a pocket opening at the rearward edge of said first sheet; C. said covers being configured and dimensioned to slip smoothly over the free end of each blade to a fitted position snuggly conforming to the respective blade; D. one of said covers, when positioned second sheet up and fitted over the upper speculum blade, having its first sheet covering substantially all of the lower surface of that blade, the forward portion of its second sheet covering the upper surface of that blade, and the rearward portion of its second sheet extending rearwardly of the rearward end of that blade to facilitate application and removal of the cover; E. the other of said covers, when positioned first sheet up and fitted over the lower speculum blade, having its first sheet covering substantially all of the upper surface of that blade, the forward portion of its second sheet covering the lower surface of that blade, and the rearward portion of its second sheet extending downwardly in front of and in juxtaposition to the handle of the speculum to preclude contact between the patient and the handle.
Claim 2
Dependent Claim
320 words
A pair of identical disposable covers for use with a vaginal speculum of the type including a lower elongated blade, an upper elongated blade pivotally mounted at its rearward end to the rearward end of the lower blade, and a handle formed integrally with the rearward end of the lower blade and extending downwardly therefrom: A. each cover comprising first and second elongated sheets of a smooth, compliant, plastic material, 1. said first elongated sheet having a size and shape conforming to a speculum blade surface, 2. said second elongated sheet having a forward portion overlying and conforming to said first sheet and a rearward portion extending rearwardly from the rearwardly edge of the first sheet; B. said sheets being suitably joined together along their forward edges and along their confronting side edges to form a pocket opening at the rearward edge of said first sheet; C. said covers being configured and dimensioned to slip smoothly over the free end of each blade to a fitted position snuggly conforming to the respective blade; D. one of said covers, when positioned second sheet up and fitted over the upper speculum blade, having its first sheet covering substantially all of the lower surface of that blade, the forward portion of its second sheet covering the upper surface of that blade, and the rearward portion of its second sheet extending rearwardly of the rearward end of that blade to facilitate application and removal of the cover; E. the other of said covers, when positioned first sheet up and fitted over the lower speculum blade, having its first sheet covering substantially all of the upper surface of that blade, the forward portion of its second sheet covering the lower surface of that blade, and the rearward portion of its second sheet extending downwardly in front of and in juxtaposition to the handle of the speculum to preclude contact between the patient and the handle.
Claim 3
Dependent Claim
62 words
A pair of covers according to claim 1 wherein said second sheet of each cover includes a tab portion on the rearward end of the rearward portion thereof which may be grasped by the user to pull the cover onto the respective speculum blade without touching the portions of the cover that surround the blade and come into contact with the patient.
Claim 4
Dependent Claim
22 words
A pair of covers according to claim 2 wherein each cover comprises polyethylene sheets fused together along their forward and side edges.
References Cited (Backward Citations)
US3215265A
Cited
US3794091A
Cited
US3789835A
Cited
US3841317A
Cited
US3878836A
Cited
US3934582A
Cited
SU506409A1
Cited
US4197944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-08 | 1988-07-09 | 1989-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-08 | 1992-07-09 | 1993-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-08 | 1996-07-09 | 1997-01-08 | $7700.00 | Window Closed / Lapsed |