Description
Pratt Uterine Dilator
The Pratt uterine dilator opens the cervical canal gradually with a long, tapered tip. Each piece has two ends of different sizes, and we sell every size singly.
Eight sizes to choose from
Sizes run Fig 13/15, 17/19, 21/23, 25/27, 29/31, 33/35, 37/39 and 41/43. In millimeters, that spans 4.5/5.0 mm up to 13.6/14.3 mm. Therefore, singles let you fill gaps in a set or stock extra small sizes.
The gradual taper
A slender tip leads the way into the canal. Then the diameter increases slowly along the taper, which spreads the force of dilation. Therefore, many surgeons choose this pattern for a gentle, stepwise opening.
Reading the Fig number
Fig numbers use the French scale common in the dilator trade. However, we also list each size in millimeters for easy comparison. For example, Fig 25/27 falls near the middle of the range.
Singles or a full set
Buy a single Pratt uterine dilator when one size in your sequence wears out or disappears. Alternatively, order all eight together in a canvas case. That way, a new tray starts with the complete sequence.
Reprocessing Pratt uterine dilator
Wipe each dilator clean at the point of use, then rinse it in running water. Next, inspect both ends under good light for scratches or bends. Finally, dry it and lay it flat so the tapered tips stay straight.
Pratt uterine dilator specifications
- Double-ended, tapered tips
- Eight sizes: Fig 13/15 to 41/43
- Diameters: 4.5/5.0 to 13.6/14.3 mm
- Sold singly
Buying from Intrace USA
Your instrument comes with a three-year warranty against manufacturing faults. Also, we check each piece in Atlanta before shipping. You can find care tips in our FAQs. Meanwhile, ASTM F899 describes the steel grades used for surgical instruments. For all eight sizes at once, see our Pratt dilator set in a canvas case. Our full range sits in the gynecology and obstetrics category.
For trained professionals only. Notes on images and nickel content sit in our care and sterilization guide; see shipping and delivery for dispatch details.






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