CAPINTEC, INC. CAPTUS
®
3000
OPERATOR PROFILE
The operator profile for the Nuclear Medicine Technologists, Physicians and Health
physicists is as follows:
• Education:
o Minimum: at least an Associate Degree
o No maximum
• Knowledge:
o Minimum: Understands the basic concepts of nuclear medicine.
o No maximum
• Language Understanding:
o English
o Other languages are available for instructions for use
• Experience:
o Minimum: Has minimum training or is under surveillance by a trained user.
o No maximum
OPERATOR TRAINING
This Owner’s Manual contains all of the information required to operate the CAPTUS
®
3000.
FUNCTIONAL DESCRIPTION
Thyroid Uptake
Thyroid uptake is a measurement of the ratio of the amount of radioactive material
concentrated in the thyroid gland to the amount of radioactive material administered to the
patient. Thyroid uptake measurements are generally used to determine conditions of
hyperthyroidism. High uptake results are found in Graves disease, toxic nodular goiter, and
stimulator secreting tumors or can be TSH-induced. Low uptake results are found with
thyroid hormone secretion in ectopic tumors, hormonal release in thyroid injury, after intake
of thyroid hormone, or in Jod-Basedow disease. During the treatment of thyroid cancer by I-
131 ablation, uptake measurements are used to monitor thyroid activity.
The CAPTUS
®
3000 system will store patient demographic and dosage information, count
data for both the administered dosage and the patient, decay correct all count data, calculate
thyroid uptake results, and store all of this information in the thyroid uptake database.
Regions of Interest have been defined for three isotopes, I-131, I-123, or Tc-99m. If normal
values have been entered, results exceeding these values will be flagged. All of the patient
information may be printed. The thyroid uptake software has been designed to accommodate
a variety of different counting protocols, using either capsules or liquid dosages.
2-2 FUNCTIONAL & TECHNICAL DESCRIPTION July 14
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