trepan

(redirected from trepanning)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to trepanning: trepanning tool

trephine

 [trĕ-f€īn´, trĕ-fēn´]
1. a saw for removing a disk of bone, chiefly from the skull.
Trephine. From Dorland's, 2000.
2. an instrument for removing a circular area of cornea.
3. to remove with this instrument.

trepan

(trĭ-păn′)
n.
1. A rock-boring tool used in mining for sinking shafts.
2. Medicine A trephine.
tr.v. tre·panned, tre·panning, 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.

trep′a·na′tion (trĕp′ə-nā′shən) n.

trepan

See trephine.

tre·phine

, trepan (trē-fīn', trĕ-pan')
1. A cylindric or crown saw used for the removal of a disc of bone, especially from the skull, or of other firm tissue as that of the cornea.
2. To remove a disc of bone or other tissue by means of a trephine.
[contrived fr. L. tres fines, three ends]

tre·phine

, trepan (trē-fīn', trĕ-pan')
1. A cylindric or crown saw used for the removal of a disc of bone, especially from the skull, or of other firm tissue.
2. To remove a disc of bone or other tissue by means of a trephine.
[contrived fr. L. tres fines, three ends]

trepan

trephine.
Mentioned in ?
References in periodicals archive ?
Trepanning produces far fewer chips that have to be managed, and thus tends to be far less problematic when cutting.
Ms Perry went to the US to carry out the ancient technique of trepanning, which is illegal in the UK.
Customers will benefit from the combination of high-quality steel and value-added machining expertise for drilling, skiving, trepanning and honing operations.
They found he had had a form of surgery known as trepanning.
Simonds Hole Cutters are trepanning, or broaching cutters for a variety of cutting applications, and are constructed of M2 high-speed steel and designed for use on magnetic drill bases, drill presses, and milling machines.
Utilizing American Heller's trepanning technology, a trepanning cutter for the hoist drum was designed and produced for the procedure.
This is achieved by using a technique that "punches" the vias rather than the standard trepanning method.
Located close to the Company's existing facility on Lumberdale Street, the new facility is the first within the Jorgensen organization to offer trepanning of steel bar.
Tenders are invited for Trepanning Head With Adaptor Spares - 1 (Hull Shop)
Boring bars * coolants * oils * cutting fluids * ceramics & composite cutting tools * tool coatings * drills * chucks * tools * milling cutters * form cutters * cutting tools * tooling systems * endmills * fixturing systems * gun drilling tools * cutting tool measurement/checking systems * hobs * tool inserts * jigs * key seating tools * ball nose end mills * lapping tools * magnetic chucks & plates * collets * NC tables * spindle adjusters * plates * quick change dies * reaming tools * screw thread inserts * tool storage equipment * deep hole/ trepanning cutting tools * jigs & fixtures * tooling columns * universal fixturing * vises * workholding systems.
This is achieved by using a technique that "punches" the vias rather than the industry standard trepanning method.
Nelson continued, "During the first quarter of fiscal 2006 we opened our Spokane, WA, satellite and expanded our internal value added capabilities by opening our Houston bar trepanning facility.