US5368030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-invasive multi-modality radiographic surface markers
Assignee: IZI Medical Products LLC
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Filing: 1992-09-09
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Granted: 1994-11-29
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Expires: 2012-09-09
Abstract
Abstract The device of the present application, an adhesive disk, relates to non-invasive multi-modality radiographic surface markers and provides means for marking patients and diagnostic images taken of those patients through different methods including X-Ray, Computerized Tomography, Positron Emission Tomograph, and Nuclear Magnetic Resonance Imaging among others. The device of the present application also provides means for enabling the accurate location of internal structures of a patient.
Inventors
- 👤 Simion J. Zinreich
- 👤 Eva S. Zinreich
- 👤 David C. Howson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/12; A61B90/00; A61B90/39; A61B2090/3995; A61B6/44; A61B6/4423
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
91 words
A radiographic surface marker comprising a gel material visible to multiple radiographic imaging methods, said gel material comprising multiple layers of said gel material laminated together forming a first surface and a second surface, said layers of said gel materials having an aperture therethrough forming first and second openings, a membrane on said first surface of said gel material and sealing said first opening, a disk on said second surface of said gel material and sealing said second opening to form a chamber, and a porous material contained in said chamber.
Claim 2
Dependent Claim
91 words
A radiographic surface marker comprising a gel material visible to multiple radiographic imaging methods, said gel material comprising multiple layers of said gel material laminated together forming a first surface and a second surface, said layers of said gel materials having an aperture therethrough forming first and second openings, a membrane on said first surface of said gel material and sealing said first opening, a disk on said second surface of said gel material and sealing said second opening to form a chamber, and a porous material contained in said chamber.
Claim 3
Dependent Claim
101 words
A radiographic surface marker comprising a gel material visible to multiple radiographic imaging methods, said gel material comprising multiple layers of said gel material laminated together forming a first surface and a second surface, said layers of said gel material having an aperture therethrough, a first membrane on said first surface of said gel material, a second membrane on said second surface of said gel material and, a plate on said second membrane, said plate having a perforation for alignment with said aperture and having slots for attaching said marker to a tape for removably attaching said marker to a patient.
Claim 4
Dependent Claim
101 words
A radiographic surface marker comprising a gel material visible to multiple radiographic imaging methods, said gel material comprising multiple layers of said gel material laminated together forming a first surface and a second surface, said layers of said gel material having an aperture therethrough, a first membrane on said first surface of said gel material, a second membrane on said second surface of said gel material and, a plate on said second membrane, said plate having a perforation for alignment with said aperture and having slots for attaching said marker to a tape for removably attaching said marker to a patient.
Claim 5
Dependent Claim
24 words
The radiographic surface marker of claim 2 further including the tape to which the marker is attached wherein the tape includes printed marks thereon.
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) | 1997-11-28 | 1998-05-30 | 1998-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-11-28 | 2002-05-30 | 2002-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-11-28 | 2006-05-30 | 2006-11-29 | $7700.00 | Window Closed / Lapsed |