TREPHINES
Trephines are used to create openings into the cranium for access to the structures within.
Trephines are used to create openings into the cranium for access to the structures within.
The burr holes can be used for obtaining biopsy material or for draining a collection of blood or pus.
Burr holes can also be enlarged or intervening bone removed to provide greater access to the brain.
Trephines in use are as follows:
· Rowbotham
· Buchanan
· Hudson spherical burr
· Hudson brace
DISSECTING FORCEPS
Dissecting forceps are also called thumb forceps because. These are used to grasp tissues to facilitate dissection or suturing and are of two types–toothed and non–toothed.
Dissecting forceps have two shafts and no joint. The tip is serrated and may have teeth. They provide a firm grip on tissues but the firmness depends on how much pressure put on the shafts. There is no locking catch on the shafts. Dissecting forceps could be plain or toothed. Plain forceps (no teeth) cause no damage to tissue, whereas toothed forceps give a firm grip. The varieties are as follows:
· Canadian
· Mitchell’s(toothed and non-toothed)
· Lane’s
· Adson’s
Burr holes can also be enlarged or intervening bone removed to provide greater access to the brain.
Trephines in use are as follows:
· Rowbotham
· Buchanan
· Hudson spherical burr
· Hudson brace
DISSECTING FORCEPS
Dissecting forceps are also called thumb forceps because. These are used to grasp tissues to facilitate dissection or suturing and are of two types–toothed and non–toothed.
Dissecting forceps have two shafts and no joint. The tip is serrated and may have teeth. They provide a firm grip on tissues but the firmness depends on how much pressure put on the shafts. There is no locking catch on the shafts. Dissecting forceps could be plain or toothed. Plain forceps (no teeth) cause no damage to tissue, whereas toothed forceps give a firm grip. The varieties are as follows:
· Canadian
· Mitchell’s(toothed and non-toothed)
· Lane’s
· Adson’s
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