Term
| Name the parts of a Scissor |
|
Definition
Tips
Blades
Screw Hinge
Shanks
Rings |
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|
Term
Name the parts of
a
Needleholder |
|
Definition
Jaws
Neck
Box Lock
Shanks
Ratchet
Rings |
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Term
|
Definition
Surgical Instruments used to
cut, incise and dissect tissue |
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Term
|
Definition
Chisel like instruments
used to cut or shave
bone. |
|
|
Term
|
Definition
Surgical instruments used
to cut or bite away
bone or tissue |
|
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Term
|
Definition
Surgical instruments used
to grasp |
|
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Term
|
Definition
Surgical Instruments used to
control the flow of
Blood |
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Term
|
Definition
Surgical Instruments designed
to drive suture needles
to close or rejoin
a wound or surgical site |
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Term
Martensitic
(Stainless Steel) |
|
Definition
This metal is known as 400 series
stainless steel.
It is used to make scissors,
osteotomes, rongeurs, forceps,
and needleholders. |
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|
Term
Austensitic
(Stainless Steel) |
|
Definition
This metal is known as 300
series stainless steel. It is
not as hard as the 400 series steel
but it is more corrosive resistant.
It is used to make retractors, cannulas,
rib spreaders, and suction devices |
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|
Term
|
Definition
Surgical Instruments used to
move tissues and organs to keep them exposed during surgery. |
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Term
|
Definition
Surgical Instruments that
are used to extract blood
and fluids from
surgical sites. |
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Term
|
Definition
A process that is done to instruments
after polishing that removes all the
iron content from the outside layer of the instrument using nitric acid (HNO3).
A protective layer is left of chromium oxide (Cr2O3), that is highly resistant to corrosion continuing to build up through the life of the instrument. |
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|
Term
Name the Manufacturing
Steps for making Instruments |
|
Definition
Forging
Ground and Milled
Assembly
Tempering (heating to 1500 degrees)
Cooling
Polishing
Passivation
Final Inspection
Etching |
|
|
Term
Needleholders......
Stainless
Steel
Jaws |
|
Definition
Needleholder jaws contain 2 patterns of
jaw tread; smooth & serrated.
These cannot be repaired, re-jawed, or have serrations replaced. |
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|
Term
Needleholders.....
Tungsten Carbide Jaws |
|
Definition
| Most popular, have gold rings indicating that the working portion of the jaws is made of Tungsten Carbide. These last longer, grip the needle more firmly, and they can be repaired and replaced |
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|
Term
Name the
3 types
of Retractors |
|
Definition
Self Retaining
Hand Held
Table Mounted |
|
|
Term
Name the primary
differences between
Mayo scissors and
Metzenbaum scissors |
|
Definition
Mayo scissors have a beveled blade and they are wider-heavier
Metzenbaum scissors have more delicate, thin blades
note: the Mayo Noble scissor does not have beveled blades |
|
|
Term
Scissors....
Tungsten Carbide Blades |
|
Definition
these scissors have Gold Rings on the handles and the blades have Tungsten Carbide edges.
These blades are harder, stronger cutting edges; they stay sharper for a longer time.
They are used for tissue dissection |
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|
Term
Scissors......
Serrated Blades |
|
Definition
Designed to prevent tissue slippage or escape during the cutting process. |
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Term
|
Scissors.....
Microgrind or Supercut |
|
Definition
| These scissors have black rings to identify them. The design is to simmulate a tissue lancing/slicing action. They have one blade sharpened like a knife to slice tissue; The other blade is standard design to cause a guillotine effect. |
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|
Term
Identify Instrument testing
techniques |
|
Definition
Scissors-sharpness 4 1/2" and longer
use red test material
Scissors-sharpness 4" or smaller
use yellow test material
Bone cutters, laminectomy rongeurs, double action rongeurs use an index card
Bone currettes, chisles, osteotomes use
a plastic dowel rod |
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|
Term
Name the parts of
a Circumcision
Clamp |
|
Definition
|
|
Term
Solutions that can
damage
Instruments |
|
Definition
Saline
Betadine
Peroxide
Bleach
Iodine
Rust remover
Hand scrubs
Dish soaps |
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