Instrumentation Flashcards
What can you use a needle holder for?
Attaching blades to a scalpel To grasp suture needle Knot tying
What are the types of scissors used and what do they look like?
A) Mayo scissors: broader blade, better for cutting thick tissues. B) Metzenbaum scissors: leaner, narrow, ideal for delicate/blunt dissection C) Littauer suture scissors: removes sutures, has a dent in the tips.
What are haemostats? what are they else known as? purpose?
They are artery forceps which are used to occlude a blood vessel. They can be straight or curved.
What are examples of haemostats? describe each
A) Kelly forceps: horizontal serrations across half the length of the jaw B) Crile forceps: horizontal serrations across full width of the jaw C) Mosquito forceps: horizontal serrations across full width of jaw but is smaller D) Rochester caramalt: longitudinal serrations with cross hatching at the top
What are the types of needle holders?
A) Mayo-hegar: easy to use, self retaining, no scissor action B) Olsen-hegar: require experience, self retaining, has scissor action, more pointed C) Gillies: not self retaining, needle holder & suture scissors D) MacPhail: ratchet lock at proximal ends E) Castroviejo: ophthalmic needle holders, catch rather than a ratchet.
What are examples of traumatic thumb forceps?
A) Rat tooth forceps: Has two teeth on top of one side and one tooth on top of the other side B) Brown adson: serrations vertically in two lines and a ventral groove in the middle C) Adson: small pinchers at the top
What are examples of atraumatic thumb forceps?
A) DeBakey: serrated end, delicate tip B) Dressing thumb forceps
What are examples of tissue forceps?
A) Allis: traumatic due to crushing action, only used on skin that is to be excised B) Babcock: less traumatic, smoother grasping surface C) Doyen bowel clamps: longitudinal lines, used to separate a section of devitalised tissue
What are the different suction tips?
A) Poole tip: for larger vols of fluid i.e abdomen B) Yankauer tip: for small vols of fluid C) Frazier tip: small cavities, orthopaedic/neuro procedures.
Mayo scissors
Metzenbaum scissors
olsen hegar needle holder
Mayo hegar needle holder
Gillies needle holder
MacPhail needle holder
Castroviejo needle holder
Kelly forceps
Crile forceps
Mosquito forceps
Carmalt rochester forceps
