pin insertion
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Correct pin insertion requires slow axial rotation under pressure and without hand wobble. The ideal instrument is the Variable Speed Orthopaedic Drill. A Jacobs hand chuck can be used particularly where bone is young and soft. However, use of a hand chuck produces wobble and a pin tract hole that is not circular.
Correct pin insertion requires slow axial rotation under pressure and without hand wobble. The ideal instrument is the Variable Speed Orthopaedic Drill. A Jacobs hand chuck can be used particularly where bone is young and soft. However, use of a hand chuck produces wobble and a pin tract hole that is not circular.