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Instrument Guides

Gynaecology instruments: Cusco and Sims specula explained

Cusco and Sims vaginal specula are the most used gynaecology instruments. How they differ, sizes and what to check.

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Cusco and Sims specula: Explained - Tata Surgical

Vaginal specula open the vaginal walls for examination and procedures. Cusco and Sims specula are therefore the two patterns most clinics use.

Cusco speculum

  • Two blades, opened by a screw or lever
  • Self-retaining once opened
  • Common for examinations and smear tests
  • Sizes small, medium and large

Sims speculum

  • Single or double-ended curved blade
  • Needs to be held in place
  • Used for examining the vaginal walls and in some procedures

Reusable or single-use

Metal specula are reusable. Single-use plastic specula are common in busy clinics.

Quality checks

  • Smooth, rounded edges
  • Screw or lever works smoothly

How to choose Cusco and Sims specula

Cusco and Sims specula do similar jobs in different ways. For example, the Cusco speculum has two blades and stays open by itself, so it suits routine examinations and smear tests. In contrast, the Sims speculum has a single curved blade and is held in place. Therefore, it is often used for procedures and for examining the vaginal walls.

First, think about sizes. Most clinics need small, medium and large, so that each patient is examined comfortably. Next, decide between reusable steel and single-use plastic. Steel lasts for years and gives a stable view. However, single-use specula save cleaning time in busy screening clinics. As a result, many services keep both types.

Also, check every reusable speculum for smooth edges and a firm locking screw. The medical speculum article explains the history and main patterns. Finally, keep enough Cusco and Sims specula for a full clinic session. To order, request a quote.

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