Patent US2609226A successfully refreshed from Google Patents.
US3745993A
Expired / Lapsed
US
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Surgical headlight
Assignee: Designs for Vision Inc
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Filing: 1972-05-02
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Granted: 1973-07-17
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Expires: 1992-05-02
Abstract
Abstract A surgical headlight adapted to be worn on the head of a user including a novel bracket construction attached to the headband for pivotally and frictionally supporting a light projecting focussing element such that the coaxial design coincides with the visual axis of the eye. The bracket includes a pair of spacedapart substantially parallel flat metal bands of steel which are slightly spread further apart at one end than at the other end for supporting the focussing element which is force-fit between the lower ends of the arms. The bottom portions of the arms exert an inward pressure against the housing of the focussing element. The focussing element is highly compact and includes a 45* angle mirror arranged at one end of an opaque housing, an achromatic lens at the other end of the housing having an axis the extension of which falls on the center of the mirror, and a fiber optic light carrying cable for projecting a beam of light from the top of the housing onto the center of the mirror for bending the light beam 90* to strike the concave surface of the achromatic lens.
Inventors
- 👤 R Feinbloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
F; F21; F21V; F21V13/00; F21V13/02; F21V13/04; F21L; F21L14/00; F21V21/00; F21V21/08; F21V21/084; G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0005; G02B6/0008; F21W; F21W2131/00; F21W2131/20; F21W2131/205; Y; Y10; Y10S; Y10S362/00; Y10S362/804
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
264 words
A surgical headlight comprising a headband adapted for encircling the head of a user, a light projecting focussing element, a bracket for supporting said light projecting focussing element, said focussing element including an opaque housing having two ends, a 45* angle mirror in the interior of and at one end of said housing, an achromatic lens in the interior of and at the other end of the housing so arranged that the extension of its optic axis falls on the center of said mirror, said housing having a top and a bottom and an opening in the top for introducing into said housing relatively high intensity cool light directly onto the center of said mirror, said bracket comprising a pair of substantially downwardly inclined spacedapart arms attached at an upper portion thereof to the headband in fixed, non-moveable relation thereto and a band located between said arms and integrally joining said arms together as a single integral element, the distance between said arms at the upper portion thereof being different from the distance between said arms adjacent a lower portion thereof, said arms frictionally supporting in force-fit relation thereto said focussing element adjacent the lower portion thereof and constituting the sole elements which support said housing therebetween, said bracket being so dimensioned with the arms thereof so downwardly inclined that said light projecting focussing element is positioned immediately above and adjacent the nose of the user, said arms enabling pivotal movement of said focussing element only in a vertical arc for projecting its light along the visual axis of the eye of the user.
Claim 2
Dependent Claim
264 words
A surgical headlight comprising a headband adapted for encircling the head of a user, a light projecting focussing element, a bracket for supporting said light projecting focussing element, said focussing element including an opaque housing having two ends, a 45* angle mirror in the interior of and at one end of said housing, an achromatic lens in the interior of and at the other end of the housing so arranged that the extension of its optic axis falls on the center of said mirror, said housing having a top and a bottom and an opening in the top for introducing into said housing relatively high intensity cool light directly onto the center of said mirror, said bracket comprising a pair of substantially downwardly inclined spacedapart arms attached at an upper portion thereof to the headband in fixed, non-moveable relation thereto and a band located between said arms and integrally joining said arms together as a single integral element, the distance between said arms at the upper portion thereof being different from the distance between said arms adjacent a lower portion thereof, said arms frictionally supporting in force-fit relation thereto said focussing element adjacent the lower portion thereof and constituting the sole elements which support said housing therebetween, said bracket being so dimensioned with the arms thereof so downwardly inclined that said light projecting focussing element is positioned immediately above and adjacent the nose of the user, said arms enabling pivotal movement of said focussing element only in a vertical arc for projecting its light along the visual axis of the eye of the user.
Claim 3
Dependent Claim
116 words
A surgical headlight according to claim 1, wherein said bracket including the arms and band is metal, said arms being flat and having flanges at the upper portion integral therewith and at right angles thereto for attachment to said headband, said housing being a section of a cylinder the outside diameter of which is larger than the inside distance between said arms near the upper portion of said arms, such that the lower portion of said arms exert an inward directed force or tension on said housing, thereby frictionally holding said housing in place, and screws in said arms on oppositely disposed sides of said cylinder acting solely as pivot points for said section of cylinder.
Claim 4
Dependent Claim
25 words
A surgical headlight according to claim 2, wherein said arms, band and flanges are made of spring steel, and said housing is made of aluminum.
Claim 5
Dependent Claim
182 words
A surgical headlight adapted to be worn on the head of a user, including a harness, a light projecting focussing element having a housing, a bracket for supporting said light projecting focussing element, said bracket comprising a pair of substantially downwardly inclined spaced-apart arms attaChed at an upper portion thereof to the headband in fixed, non-moveable relation thereto and a band located between said arms and integrally joining said arms together as a single integral element, the distance between said arms at the upper portion thereof being different from the distance between said arms adjacent a lower portion thereof, said arms frictionally supporting in force-fit relation thereto said focussing element adjacent the lower portion thereof and constituting the sole elements which support said housing therebetween, said bracket being so dimensioned with the arms thereof so downwardly inclined that said light projecting focussing element is positioned immediately above and adjacent the nose of the user, said arms enabling pivotal movement of said focusing element only in a vertical arc for projecting its light along the visual axis of the eye of the user.
Claim 6
Dependent Claim
182 words
A surgical headlight adapted to be worn on the head of a user, including a harness, a light projecting focussing element having a housing, a bracket for supporting said light projecting focussing element, said bracket comprising a pair of substantially downwardly inclined spaced-apart arms attaChed at an upper portion thereof to the headband in fixed, non-moveable relation thereto and a band located between said arms and integrally joining said arms together as a single integral element, the distance between said arms at the upper portion thereof being different from the distance between said arms adjacent a lower portion thereof, said arms frictionally supporting in force-fit relation thereto said focussing element adjacent the lower portion thereof and constituting the sole elements which support said housing therebetween, said bracket being so dimensioned with the arms thereof so downwardly inclined that said light projecting focussing element is positioned immediately above and adjacent the nose of the user, said arms enabling pivotal movement of said focusing element only in a vertical arc for projecting its light along the visual axis of the eye of the user.
Claim 7
Dependent Claim
66 words
A surgical headlight according to claim 4, wherein said bracket includes a metal band extending between said arms, said bracket including said arms and band being cast as a single integral element, said band being located at the upper portion of said arms, the distance between said arms at the upper portion thereof being greater than the distance between said arms at the lower portion thereof.
Claim 8
Dependent Claim
36 words
A surgical headlight according to claim 4, wherein said bracket includes a curved metal band extending between said arms and forming an integral part thereof, said band being positioned intermediate the lower portion of said arms.
Claim 9
Dependent Claim
44 words
A surgical headlight according to claim 4, wherein the distance between said arms at one location thereof is slightly smaller than the outside diameter of said housing of said light projecting element, said light projecting element being force-fit between said arms at said location.
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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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |