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Osteotome and Mallet

An osteotome is a manual cutting instrument used to divide or shape bone, commonly with controlled mallet percussion. Blade width, curvature, bevel and handle design vary. The instrument must be appropriate for the bone, access and planned cut; the name does not imply a standard blade size or mallet weight.[1]

Selection​

A straight or curved blade provides a different approach to the target. Single- and double-bevel geometries influence the cutting behavior, but resistance and bone structure also affect the path. Use a compatible striking surface and inspect the blade and handle before use.

In reconstructive urology, an osteotome may be part of selected pubectomy or pubic-bone debridement. The need for bone removal comes from the reconstructive or infection-control plan, not from the instrument itself.

Exposure and Control​

  • Expose enough bone to identify the intended cut and protect adjacent structures. Elevate periosteum only as needed; extensive stripping is not a prerequisite for every cut.
  • Establish the blade position and direction before applying force. Maintain control of the cutting edge and anticipate the direction in which a fragment could move.
  • Use controlled increments suited to the bone and task. A sudden heavy strike can propagate an unintended fracture or drive the instrument beyond the planned plane.
  • If the blade binds or the cut deviates, stop and reassess the exposure, instrument and bone. Binding does not prove that the angle alone is wrong or justify a harder strike.
  • Account for fragments and inspect the resulting edge and nearby tissue before continuing reconstruction.

Comparison with a Powered Drill​

An osteotome avoids continuous rotating-burr contact and may suit a defined cut; a drill may suit progressive contouring. There is no basis here for claiming that an osteotome produces better cortical cuts than every powered alternative. General anesthesia does not remove the risks of percussion, unintended fracture or deep penetration.

Follow the actual instrument's inspection and reprocessing instructions. A device-identification record describes the instrument; it does not validate a particular pubectomy technique.

See also: Air Drill, Rongeur, Periosteal Elevator, PFUI.

References​

1. FDA/NLM AccessGUDID. Osteotome, DI 10840199522283. Device description and nomenclature; accessed September 12, 2026. Device record.