Instruments 1
Another name for 300-series stainless steel used for manufacturing stainless steel medical instruments.
Austenitic
What is another name for single use stainless steel medical devices?
Ward grade.
Another name for 400-series stainless steel used for manufacturing surgical-grade instruments.
Martensitic
What finishes on surgical instruments reduces glare?
Matte finish
Which type of medical instruments have longer lifespan?
The working end of surgical instruments.
Jaws.
What is the final layer applied to stainless steel instruments called?
Passivation layer.
Where are serrations on surgical instruments located?
Jaws
The part of surgical instruments which allow it to open and close.
Box lock and screw joint
Which type of stainless steel used for medical devices is malleable?
Austenitic (300-series) stainless steel
The classification of surgical instruments that clamp off blood vessels/occlude bleeding.
These instruments hold back tissue to allow a good view of the operative site.
Retractors
How is the passivation layer on stainless steel surgical instruments formed?
Removal of iron compounds.
These type of surgical instruments hold tissue.
Grasping or Graspers.
The name of the part between the box lock area and finger rings and ratchet area of surgical instruments.
Shanks
Scissors with gold finger rings have jaws made from this.
Tungsten carbide.
What is used in the process of forming the passivation layer on stainless steel surgical instruments?
Nitric acid
What colour of test material is appropriate for scissors larger than 4.5"?
Red
Scissors with black finger rings are called
Supercut or Microgrind scissors
How does one test the ratchet on any surgical instruments?
Close the instrument on the first ratchet and tap softly on a hard surface. The ratchet should not spring open.
How do we check graspers/grasping instruments?
Inspect joint end for cracks, inspect serrations and teeth for bioburden, tips should meet evenly, teeth should not catch.
What does Atraumatic mean for surgical instruments?
Design of teeth reduces damage to tissue.
US Army & Navy retractors are also called ...
Army & Navy retractors
Needle drivers/holders are classified
graspers/grasping instruments.
Harrington retractor is also called this name
"Sweetheart" retractor