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tre·pan 1

1. A rock-boring tool used in mining for sinking shafts.
2. Medicine A trephine.
tr.v. tre·panned, tre·pan·ning, tre·pans
1. To bore (a shaft) with a trepan.
2. To bore or otherwise make a hole in (the skull), as in certain prehistoric cultures or in surgery using a trephine.

[Middle English trepane, surgical crown saw, from Medieval Latin trepanum, from Greek trūpanon, borer, from trūpān, to pierce, from trūpē, hole; see terə- in Indo-European roots.]

trep′a·na′tion (trĕp′ə-nā′shən) n.

tre·pan 2

 (trĭ-păn′) Archaic
tr.v. tre·panned, tre·pan·ning, tre·pans
To trap; ensnare.
1. A trickster.
2. A trick or snare.

[Origin unknown.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n. trepanación, perforación del cráneo con un instrumento especial para reducir el aumento de la presión intracraneal causada por fractura, acumulación de sangre o pus.
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References in periodicals archive ?
Single or double burr hole drainage is the first-line therapy, being most effective and frequently utilized, with minimal co-morbidities, complications and recurrence.1,2 Nonsurgical management is reserved for asymptomatic or patients at high risk for operation.1
He had to have burr hole surgery (a hole drilled into his head).
Surface landmarks for the junction between the transverse and sigmoid sinuses: application of the "strategic" burr hole for suboccipital craniotomy.
Delayed intracranial subdural empyema following burr hole drainage: Case series and literature review.
"This is probably the 'Trepanation' surgery where a burr hole is drilled or scraped into the human skull.
In this case, we describe postoperative transient facial nerve palsy in a patient after the scalp block for burr hole evacuation of subdural hematoma.
Craniectomy with membranectomy and single or double-"Burr hole" drainage are the surgical procedures used in the treatment of SDH (1,5).
To discharge accumulated air, burr hole drainage was performed at the left prefrontal area in the same session.
Material and Methods: A total of 72 patients were randomly assigned to two treatment groups, group 1 (n=36) were subjected to burr hole craniotomy with use of drains and group 2 (n=36) were subjected to no drains.