Single-use internal dosimeters for detecting radiation in fluoroscopy and other medical procedures/therapies
First Claim
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1. A method for monitoring radiation exposure for a patient undergoing a medical procedure, comprising:
- inserting a single-use dosimeter into a patient, wherein the at least one dosimeter comprises at least one radiation sensor circuit with a MOSFET and electronic memory that holds calibration data for the MOSFET;
exposing the patient to radiation in a medical procedure during a treatment session;
transmitting data from the dosimeter to a dose-reader device after the exposing step, the transmitting data comprising the calibration data and data associated with a change in an operational parameter in the MOSFET of the dosimeter radiation sensor circuit;
removing the dosimeter from the patient after the exposing step during or proximate in time to the treatment session; and
determining a radiation dose received by the patient during the exposing step based on the change in the operational parameter of the MOSFET and the calibration data.
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Abstract
Methods, systems, devices, and computer program products include positioning single-use radiation internal dosimeters with MOSFETs into a patient to evaluate the radiation dose delivered during a medical procedure or treatment session. The MOSFETs can be unpowered during irradiation.
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Citations
70 Claims
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1. A method for monitoring radiation exposure for a patient undergoing a medical procedure, comprising:
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inserting a single-use dosimeter into a patient, wherein the at least one dosimeter comprises at least one radiation sensor circuit with a MOSFET and electronic memory that holds calibration data for the MOSFET; exposing the patient to radiation in a medical procedure during a treatment session; transmitting data from the dosimeter to a dose-reader device after the exposing step, the transmitting data comprising the calibration data and data associated with a change in an operational parameter in the MOSFET of the dosimeter radiation sensor circuit; removing the dosimeter from the patient after the exposing step during or proximate in time to the treatment session; and determining a radiation dose received by the patient during the exposing step based on the change in the operational parameter of the MOSFET and the calibration data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A system for monitoring radiation administered to a patient during a diagnostic and/or therapeutic treatment, the system comprising:
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at least one single-use internal dosimeter, the internal dosimeter comprising at least one radiation sensor circuit comprising a MOSFET having an associated threshold voltage that changes when exposed to radiation and electronic memory comprising calibration data for determining radiation dose; and a portable dose-reader configured to obtain voltage threshold data and calibration data from the at least one internal dosimeter after the single-use dosimeter has been exposed to radiation corresponding to a dose amount of radiation exposure received during irradiation exposure. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70)
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Specification