US3930164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for use with X-ray machines
Assignee: Individual
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Filing: 1974-06-28
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Granted: 1975-12-30
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Expires: 1994-06-28
Abstract
Abstract A device for attachment to X-ray machines of the type used in doctor''s or dentist''s offices. The device is used to locate the temporo-mandibular joint of a patient''s head and to properly position it for obtaining X-rays thereof. The device includes a vertical cassette frame for film plates and a horizontal centering device both demountably attachable to a suitable part of the X-ray machine.
Inventors
- 👤 Albert D Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:26
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/50; A61B6/501; A61B6/51
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
261 words
A device for use in combination with a projector suspending means and projector cone of an x-ray machine for locating and taking an x-ray picture of a specific portion of a patient''s head comprising: a. an open-ended cassette frame adapted to be adjustably spaced on and vertically disposed in relation to the centerline of said projection cone of said Projector, said frame adapted to be demountably attachable by arm means to said suspending means for said projector, b. said frame comprising guide means for carrying at least one cassette film plate, an open space central section, and shield means adjacent said open space on the inward side of said frame, c. centering and locating means disposed on the outward side of said frame and adapted to be aligned with and for movement along said centerline of said cone and through the center of said open space of said frame, said centering means adapted to be demountably attachable to said projector cone and movable with said cone, whereby said frame and said centering means are movable both vertically and pivotally horizontally together with said projector, and whereby said centering means is movable through the center of said open space of said frame for location and alignment contact with said specific portion of said patient''s head when the head is disposed between said frame and said projector, thereby centering and aligning said specific head portion for taking an x-ray picture thereof, upon removal of said centering means, on the portion of said cassette film plate positioned in said open space of said frame.
Claim 2
Independent Claim
261 words
A device for use in combination with a projector suspending means and projector cone of an x-ray machine for locating and taking an x-ray picture of a specific portion of a patient''s head comprising: a. an open-ended cassette frame adapted to be adjustably spaced on and vertically disposed in relation to the centerline of said projection cone of said Projector, said frame adapted to be demountably attachable by arm means to said suspending means for said projector, b. said frame comprising guide means for carrying at least one cassette film plate, an open space central section, and shield means adjacent said open space on the inward side of said frame, c. centering and locating means disposed on the outward side of said frame and adapted to be aligned with and for movement along said centerline of said cone and through the center of said open space of said frame, said centering means adapted to be demountably attachable to said projector cone and movable with said cone, whereby said frame and said centering means are movable both vertically and pivotally horizontally together with said projector, and whereby said centering means is movable through the center of said open space of said frame for location and alignment contact with said specific portion of said patient''s head when the head is disposed between said frame and said projector, thereby centering and aligning said specific head portion for taking an x-ray picture thereof, upon removal of said centering means, on the portion of said cassette film plate positioned in said open space of said frame.
Claim 3
Dependent Claim
19 words
The device of claim 1 wherein said guide means of said frame means comprise upper and lower track means.
Claim 4
Dependent Claim
41 words
The device of claim 1 wherein the extremities of said arm means of said frame means comprise longitudinal slot means from which said frame is suspended and secured, and whereby said frame is adjustable in space relationship to said projector cone.
Claim 5
Dependent Claim
26 words
The device of claim 1 wherein said centering means is demountably attachable to a rim of said projector cone by arcuate brace means and bracket means.
Claim 6
Dependent Claim
26 words
The device of claim 1 wherein said centering means is a rod means which is disposed and movable through sleeve means attached to said brace means.
Claim 7
Dependent Claim
24 words
The device of claim 5 wherein said rod means comprises stop means adapted to locate and engage said specific portion of said patient''s head.
Claim 8
Dependent Claim
29 words
The device of claim 1 wherein said guide means, shield means and open space are adapted for the taking of two juxtaposed x-ray pictures on one cassette film plate.
Claim 9
Dependent Claim
17 words
The device of claim 7 wherein shield means are disposed on each side of said open space.
Claim 10
Dependent Claim
22 words
The device of claim 1 wherein said guide means of said frame means comprise two sets of upper and lower track means.
Claim 11
Dependent Claim
67 words
The device of claim 1 wherein said centering and locating means comprises rod and stop means adapted to locate the temporo-mandibular joint of a patient''s head and said shield means are disposed on each side of said open space, whereby two juxtaposed x-ray pictures of said joint can be taken on one film plate, one with the patient''s mouth open and one with the patient''s mouth closed.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |