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Rulers & Pelvimeters

Rulers and pelvimeters are measuring instruments used in obstetrics and gynecology. Pelvimeters measure the external diameters of the pelvis, which helps assess whether the pelvis is adequate for vaginal delivery. Surgical rulers measure the width and depth of tissue, incisions and lesions during gynecological surgery. Grey Medical offers both within our OB/GYN instruments range.

Pelvimeters

  • Martin Pelvimeter: a caliper-style pelvimeter with a graduated scale for external pelvic measurements.
  • Collin Pelvimeter: a classic design for measuring the interspinous, intercristal and external conjugate diameters.
  • Collyer Pelvimeter: used for internal and external pelvic measurement.

Surgical Rulers

  • Width Ruler and Depth Ruler: for measuring tissue and incision dimensions.
  • Measuring Probe Width Ruler: combines a probe with a measuring scale for cavities and tracts.

Key Features

  • Clear, accurate graduated scales that stay readable after repeated sterilization.
  • Smooth, rounded tips for patient comfort.
  • Surgical-grade stainless steel, durable and corrosion-resistant.

Order individually or in bulk for maternity units, clinics and teaching hospitals. Free worldwide shipping on orders above $350 USD. For more measuring tools, see our measuring devices.