Surgical Techniques - Intrumentation 3-C Flashcards
unreactive, exhibiting no chemical or biological reaction
inert
an abnormal narrowing of a bodily passage
stricture
having one or more openings
fenestrated
are subjected to greater strain and damage than instruments used for soft tissue; may be ratcheted or have a spring action, locking or non-locking design
needle holders
unlikely to cause tissue damage
atraumatic
used to view tissue, as a diagnostic tool for tissue sampling, and as curative for removing tissue
endoscope
to tie with a ligature
ligate
to connect or join
anastomoses
provides better visualization of the operative site by washing out a body cavity or wound with fluid
irrigation
an agent used to burn, sear, or destroy tissue
cautery
makes steel resistant to corrosion
chromium
an alloy of cobalt, chromium, and molybdenum that is strong and resists corrosion
vitallium
makes steel hard to give the instrument strength
carbon
glare proof, more susceptible to corrosion
dulled or satin finish
extremely hard, used for laminating cutting blades
tungsten carbide
excellent for microsurgical instruments, since it is stronger and harder, lighter in weight, non-magnetic and inert
titanium
used for flash plating or coatings
cadmium, silver, copper, and nickel
finish resists corrosion and makes it easy to identify defects or contamination
bright, polished finish
variable mixture of metals means there are varying grades of metal; only the 400 series grade should be used for surgical instruments since it is highly resistant to corrosion, strong, and produces a fine point
compound
a compound of iron, chromium, and carbon
stainless steel
used in laser surgery to prevent reflection of the laser beam to collateral tissue
ebonized, black chromium finish
a fiberoptic bundle that attaches to a light source to provide lighting in endoscopic surgery
light source
each one of these has a retractable safety shield to protect abdominal organs from puncture by the point during insertion
trocars
captures image via the endoscope and displays the image on a monitor
video camera
comes in a number of sizes measured in millimeters. The most common sizes are 5mm, 10mm, 11mm, and 12mm.
cannulas
used for viewing the internal passages and hollow organs through the body’s natural openings
flexible endoscope
miniaturized instruments passed through or attached to the sheath to accomplish the procedure
instrumentation
tubing used to deliver the CO2 gas to the operative area
insufflation tubing
Complete the following statement that accurately describes how to properly handle endoscopes.
Never bend any of the parts. _____ cords loosely when not in use.
Coil
Complete the following statement that accurately describes how to properly handle endoscopes.
Avoid rough handling and _____.
jarring
Complete the following statement that accurately describes how to properly handle endoscopes.
Do not _____ with other instruments,
mix
Complete the following statement that accurately describes how to properly handle endoscopes.
Never _____ on top of each other,
pile
Complete the following statement that accurately describes how to properly handle endoscopes.
Check for dents, scratches, or rough edges; this can cause _____ damage or corrosion of the instrument.
tissue
Complete the following statement that accurately describes how to properly handle endoscopes.
Do not allow the fiberoptic _____ to swing free.
cable
Clamps should be closed on the _____ ratchet only.
a. tightest
b. second
c. middle
d. first
d. first
What should the surgical technologist know about each surgical instrument?
a. name and type
b. function and composition
c. name and use
d. length and weight
c. name and use
On the instrument table, place forceps _____ instrument like Peans and Ochsners.
a. on top of
b. under
c. next to
d. away from
c. next to
What should be done with heavy retractors during the preoperative phase?
a. Keep them separate from the other instruments.
b. Lay them next to the other instruments.
c. Handle them carefully to ensure they are not nicked or scratched.
d. Avoid dropping or bouncing them on the floor.
a. Keep them separate from the other instruments.
Jaws, _____, and _____ should align exactly.
a. teeth; serrations
b. teeth; ratchets
c. ratchets, serrations
d. clamps, teeth
a. teeth; serrations
Handle loose instruments separately to prevent _____ or _____.
a. damage; chipping of the surface
b. interlocking; crushing
c. them from being mixed in with the sets; interchanged with others
d. imperfections; misalignment
b. interlocking; crushing
_____ and _____ should all point the same direction for ring-handled instruments.
a. Tips; joints
b. Curvatures; edges
c. Edges; joints
d. Curvatures; angles
d. Curvatures; angles
Instruments are passed _____ to the surgeon in a _____ manner.
a. quickly; calm and gentle
b. firmly; decisive
c. individually; calm and gentle
d. quickly; decisive
b. firmly; decisive
Short instruments are usually used for _____.
a. superficial wounds
b. adjusting surgical drapes
c. deep body cavities
d. handling surgical specimens
a. superficial wounds
Loose instruments on the sterile field should be _____.
a. left alone for the surgeon’s use
b. considered contaminated
c. left alone until the final count
d. removed immediately after use and placed on the Mayo stand or back table
d. removed immediately after use and placed on the Mayo stand or back table
Hold hemostatic clamps by the _____ when passing to another person.
a. box lock
b. tips
c. ring handles or ends
d. jaws
a. box lock
Keep instruments with lumens patent during the surgical procedure by _____.
a. using a probe to remove obstructions
b. blowing through the center of the lumen
c. using a pipestem cleaner
d. irrigating with sterile water
d. irrigating with sterile water
A signal for scissors requires the _____ and ____ finger moving together.
a. thumb; fore
b. index; middle
c. thumb; middle
d. index; thumb
b. index; middle
Select instruments in proportion to the _____ of the surgical site.
a. angle
b. tissue type
c. depth
d. difficulty
c. depth
Keep the electrosurgical tip surface free of _____ and _____ since buildup can affect conductivity.
a. blood and tissue
b. debris and necrotic tissue
c. eschar and debris
d. eschar and tissue
c. eschar and debris
For those instruments that are frequently used, a _____ _____ can be placed across the patient.
a. sterile towel
b. magnetic pad
c. sterile tray
d. none of the above
b. magnetic pad
