Penfield dissector
A simple, hingeless hand instrument with numbered interchangeable tips (typically No. 1 through 5) of different shapes -flat, curved or spatulate- at each end of the shaft.
How it is used
Used to dissect and elevate the dura mater, free nerve or vascular tissue from bone, and develop tissue planes bluntly without cutting, in both cranial and spinal procedures.
Sources
This entry is part of the Instriq catalog, researched and written per specialty from real web research -- never generated or invented without verification -- and reviewed skeptically and independently before publication. How this catalog is written.
History
Added to the catalog on 2026-10-02.
Dates derived from the project's public version-control history on GitHub, not a live collaborative edit log.