US5195540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lesion marking process
Assignee: Individual
•
Filing: 1991-08-12
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Granted: 1993-03-23
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Expires: 2011-08-12
Abstract
Abstract A lesion marking system comprising a guiding needle rotatably and slidably supporting a spiral wire which is cork screwed, under an imaging system guidance, into a lesion. The guiding needle is then withdrawn, leaving the spiral wire as a visible lesion marker.
Inventors
- 👤 Samuel Shiber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:36
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34; A61B17/3403; A61B90/00; A61B90/39; A61B2090/3904; A61B2090/3908
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
68 words
A lesion marking process comprising the following steps: Inserting a guiding needle to the vicinity of the lesion while using an imaging system for guidance, rotating and sliding a spiral wire over the guiding needle to the vicinity of the lesion while using an imaging system for guidance, withdrawing the guiding needle from the patient, leaving the spiral wire in the vicinity of the lesion as a marker.
Claim 2
Dependent Claim
68 words
A lesion marking process comprising the following steps: Inserting a guiding needle to the vicinity of the lesion while using an imaging system for guidance, rotating and sliding a spiral wire over the guiding needle to the vicinity of the lesion while using an imaging system for guidance, withdrawing the guiding needle from the patient, leaving the spiral wire in the vicinity of the lesion as a marker.
Claim 3
Dependent Claim
24 words
A lesion marking process as in claim 1, an additional step wherein a dye is introduced through the guiding needle to stain the lesion.
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) | 1996-03-22 | 1996-09-21 | 1997-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-03-22 | 2000-09-21 | 2001-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-03-22 | 2004-09-21 | 2005-03-23 | $7700.00 | Window Closed / Lapsed |