US4777574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental lamp shield or prophylactic
Assignee: STERISHIELD PRODUCTS Inc
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Filing: 1987-10-22
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Granted: 1988-10-11
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Expires: 2007-10-22
Abstract
Abstract A dental lamp adjusting means protective covering, shield or prophylactic comprised of a thin, tear-resistant, semi-rigid but elastic material which is sterile and disposable for covering the entirety of each of several different types of dental lamp adjusting means providing a covering which will significantly reduce and/or prevent the spread of disease through the continued touching of the dental lamp adjusting means by non-sterile gloved or ungloved hands of dental practitioners and others.
Inventors
- 👤 Mark R. Eisner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:48
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/12; A; A61; A61B; A61B46/00; A61B46/10; A61B90/00; A61B90/30; A61B2090/308; F; F21; F21V; F21V21/00; F21V21/40; F21V21/403; Y; Y10; Y10S; Y10S16/00; Y10S16/12; Y10S16/906; Y10S362/00; Y10S362/804; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20876
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
150 words
A removable disposable sterile dental lamp shield or prophylactic for placement over and in proximate contact with the means for adjusting the illuminated focal point of a dental lamp for significantly reducing the spread of communicable diseases which may be transmitted by or through contact with human body fuilds and tissues during a first and subsequent uses of the dental lamp and its adjusting means in conjunction with the treatment of two or more patients eliminating the need for repeated sterilization of said dental lamp and its adjusting means between such uses for the two or more patients comprising a pocket portion which is substantially cylindrical in shape having closed or sealed ends for fitting over the dental lamp adjusting means and a collar portion which perpendicularly extends outward from a point midway along the cylindrical portion of the shield for maintaining the shield in position on said adjusting means.
Claim 2
Dependent Claim
150 words
A removable disposable sterile dental lamp shield or prophylactic for placement over and in proximate contact with the means for adjusting the illuminated focal point of a dental lamp for significantly reducing the spread of communicable diseases which may be transmitted by or through contact with human body fuilds and tissues during a first and subsequent uses of the dental lamp and its adjusting means in conjunction with the treatment of two or more patients eliminating the need for repeated sterilization of said dental lamp and its adjusting means between such uses for the two or more patients comprising a pocket portion which is substantially cylindrical in shape having closed or sealed ends for fitting over the dental lamp adjusting means and a collar portion which perpendicularly extends outward from a point midway along the cylindrical portion of the shield for maintaining the shield in position on said adjusting means.
Claim 3
Dependent Claim
25 words
In acordance with claim 1 wherein said cylindrical and collar portions of the shield have a thickness in the range between 0.5 and 10 mils.
Claim 4
Dependent Claim
40 words
In accordance with claim 1 wherein said collar portion has a rim providing a semi-rigid opening for maintaining the sterile integrity of the shield about the opening, said rim having a thickness in the range between 2 and 20 mils.
Claim 5
Dependent Claim
40 words
In accordance with claim 1 wherein said asceptic medicaments or talc are applied to the inner surface of the cylindrical and collar portions of the shield for continued disinfection and for lubrication in the application and removal of the shield.
Claim 6
Dependent Claim
21 words
In accordance with claim 1 wherein the outer surface of the shield has a medium to high degree of frictional contact.
Claim 7
Dependent Claim
23 words
In accordance with claim 1 wherein the shield is made from an elastomeric or elastic material, natural or man-made or any combination therof.
Claim 8
Dependent Claim
51 words
In accordance with claim 6 wherein said elastomeric or elastic material exhibits sufficient deformabilty to stretch over the dental lamp adjusting means, toughness and/or tear-resistance to withstand pulling and stretching during application and/or removal and material memory to return to and/or retain its original size and shape after application and/or removal.
Claim 9
Dependent Claim
146 words
A removable disposable sterile dental lamp shield or prophylactic for placement over and in proximate contact with the means for adjusting the illuminated focal point of a dental lamp for significantly reducing the spread of communicable diseases which may be transmitted by or through contact with human body fluids and tissues during a first and subsequent uses of the dental lamp and its adjusting means in conjunction with the treatment of two or more patients eliminating the need for repeated sterilization of said dental lamp and its adjusting means between such uses for the two or more patients comprising a pocket portion which is substantially hemispheric in shape having rounded ends and a single aperture or opening for fitting over the dental lamp adjusting means and a collar portion which substantially surrounds said aperture or opening for maintaining the shield in position on said adjusting means.
Claim 10
Dependent Claim
146 words
A removable disposable sterile dental lamp shield or prophylactic for placement over and in proximate contact with the means for adjusting the illuminated focal point of a dental lamp for significantly reducing the spread of communicable diseases which may be transmitted by or through contact with human body fluids and tissues during a first and subsequent uses of the dental lamp and its adjusting means in conjunction with the treatment of two or more patients eliminating the need for repeated sterilization of said dental lamp and its adjusting means between such uses for the two or more patients comprising a pocket portion which is substantially hemispheric in shape having rounded ends and a single aperture or opening for fitting over the dental lamp adjusting means and a collar portion which substantially surrounds said aperture or opening for maintaining the shield in position on said adjusting means.
Claim 11
Dependent Claim
25 words
In accordance with claim 8 wherein said cylindrical and collar portions of the shield have a thickness in the range between 0.5 and 10 mils.
Claim 12
Dependent Claim
40 words
In accordance with claim 8 wherein said collar portion has a rim providing a semi-rigid opening for maintaining the sterile integrity of the shield about the opening, said rim having a thickness in the range between 2 and 20 mils.
Claim 13
Dependent Claim
39 words
In accordance with claim 8 wherein asceptic medicaments or talc are applied to the inner surface of the hemispherical and collar portions of the shield for continued disinfection and for lubrication in the application and removal of the shield.
Claim 14
Dependent Claim
21 words
In accordance with claim 8 wherein the outer surface of the shield has a medium to high degree of frictional contact.
Claim 15
Dependent Claim
23 words
In accordance with claim 8 wherein the shield is made from an elastomeric or elastic material, natural or man-made or any combination thereof.
Claim 16
Dependent Claim
51 words
In accordance with claim 13 wherein said elastomeric or elastic material exhibits sufficient deformability to stretch over the dental lamp adjusting means, toughness and/or tear-resistance to withstand pulling and stretching during application and/or removal and material memory to return to and/or retain its original size and shape after application and/or removal.
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) | 1991-10-11 | 1992-04-11 | 1992-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-11 | 1996-04-11 | 1996-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-11 | 2000-04-11 | 2000-10-11 | $7700.00 | Window Closed / Lapsed |