Flexible Rulers
Medical Sources, Radioactive Sources
Flexible Rulers are radioactive measurement markers used during SPECT studies to define anatomical locations and estimate organ size.
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Flexible Rulers Description
Eckert & Ziegler Flexible Rulers are designed to aid anatomical localization and organ measurement during SPECT imaging procedures. The ruler consists of a 0.19" (4.8 mm) diameter flexible plastic tube containing 45 alternating sections of Co-57 and inactive lead, creating a distinct scale visible on acquired images. With an overall length of 19" (48 cm) and an active length of 17.7" (45 cm), the ruler conforms to patient anatomy while providing accurate localization and size estimation. The contained activity is supplied as a nominal value of ±15%.
Flexible Rulers Key Features
- Designed for anatomical localization during SPECT imaging.
- Used for organ size estimation and measurement.
- Contains 45 alternating sections of Co-57 and inactive lead.
- Flexible plastic tube conforms to patient contours.
- Tube diameter of 0.19" (4.8 mm).
- Overall length of 19" (48 cm).
- Active length of 17.7" (45 cm).
- Creates a visible measurement scale on images.
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