Fiducial marker / cancer imaging and treatment apparatus and method of use thereof
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United States of America Patent
Stats
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Jul 23, 2019
Grant Date -
Jun 28, 2018
app pub date -
Feb 8, 2018
filing date -
Apr 16, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention comprises a fiducial marker—fiducial detector based treatment room position determination/positioning system apparatus and method of use thereof. A set of fiducial markers and fiducial detectors are used to mark/determine relative position of static and/or moveable objects in a treatment room using photons passing from the markers to the detectors. Further, position and orientation of at least one of the objects is calibrated to a reference line, such as a zero-offset beam treatment line passing through an exit nozzle, which yields a relative position of each fiducially marked object in the treatment room. Treatment calculations are subsequently determined using the reference line and/or points thereon. The treatment calculations are optionally and preferably performed without use of an isocenter point, such as a central point about which a treatment room gantry rotates, which eliminates mechanical errors associated with the isocenter point being an isocenter volume in practice.
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Patent Citation Ranking
- 1 Citation Count
- H01J Class
- 40.21 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 23, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 23, 2031 |
