Metal Terminology
What is an extremely hard metal used in the jaws of needle holders, forceps, and pin cutters, blades of scissors, and bone files.
Tungsten Carbide
Titanium Nitride
Titanium
Stainless Steel
When tungsten carbide is present, the handle of the instrument is gold in color.
The portion of the surgical instrument that is closest to the user.
Distal
Proximal
For example, the distal tip of a tissue forceps is the teeth.
What is the selective removal of iron from stainless steel surfaces using a nitric acid bath.
Rockwell Scale
Cavitation
Passivation
LEEP Coating
This process forms a protective layer to help prevent corrosion of the metal.
What is the brown/orange/red discoloration on an instrument that can be removed using the pencil eraser test.
Rusting
Staining
What is the stainless steel that cannot be heat-hardened.
Titanium
Austenitic
Aluminum
Martensitic
Stainless steel that falls into this category is 300 series stainless steel, which is highly
What is the black coating applied to a surgical instrument that minimizes glare during the surgical procedure.
Diamond Dust
Ceramic
Heat Fused Nylon
LEEP Coatings
It also makes the instrument harder and more corrosion resistant.
What is the most commonly used metal in the manufacturing of surgical instruments.
Stainless Steel
Sterling Silver
Titanium
Aluminum
Stainless steel may stain and/ or rust.
What is the coating used in the jaws of needle holders and forceps used in delicate surgeries such as cardiovascular procedures.
Titanium Nitride
Diamond Dust
Phenolic
Tungsten Carbide
No diamonds are present; rather, the jaws have tungsten carbide particles to grip very fine needles.
What is the high-frequency pressure (sound) waves used in ultrasonic machines to form bubbles that implode on surgical instruments.
Martensitic
Cavitation
Phenolic
Passivation
This formation of bubbles pulls the blood and mucus off the instrument.
A removable part of the surgical instrument used during insertion of the instrument into the patient.
Obturator
Dowel Rod
Stylet
Lumen
A common example is the obturator of a resectoscope sheath.
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