Surgical Instruments 1

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  1. What is the goal of surgery?
    to correct disease state or tissue abnormality by physical intervention
  2. Surgery is traumatic. How do we minimize trauma?
    select proper instruments, sutures, suture materials
  3. What are the purposes to surgical instruments?
    • holding
    • manipulating
    • clamping
    • retracting
    • cutting
  4. What are the LVT's responsibilities for instruments?
    order, clean, care for, packs, passes, and uses
  5. What kind of finish are on surgical instruments?
    dull finish to reduce glare off of them from under the lights
  6. What kind of protective coating is put on the instruments and why is it put on them?
    • chromium oxide coating
    • prevents corrosion of stainless steel
  7. Which kind of instruments are the best? Okay? Worst?
    • Best: German instruments
    • Okay: Pakistani or Polish
    • Worst: Chinese
  8. What is a box lock?
    • holds two pieces together
    • one shank passes through a slot in the other shank
  9. What are the different types of surgery?
    • electrosurgery
    • radiosurgery
    • cryosurgery
    • laser surgery
  10. What is elecrosurgery?
    cuts or coagulates by passage of electrical current through a small point of contact with tissue
  11. What is radiosurgery?
    • simialr to electrosurgery
    • uses radiowaves instead of electricity to cut
  12. What is cryosurgery?
    removal of tissue masses by rapid freezing or slow thawing
  13. When does the tissue slough during cryosurgery?
    7 - 10 days
  14. What is a scapel?
    primary cutting tool
  15. What are the two scapels we mainly use?
    • #3 for small animal
    • #4 for large animal
  16. How do we use a scalpel?
    • draw across tissue with one long controlled stroke
    • avoid stabs or making a series of short strokes
  17. What are the different types of point classifications?
    • sharp - sharp
    • sharp - blunt
    • blunt - blunt
  18. What is sharp dissection?
    cutting tissue with scissors
  19. What is blunt dissection?
    insert points into tissue, spread jaws apart
  20. How do you hold scissors?
    • thumb and middle finger through rings to first joint
    • index finger on shaft
  21. How do we know if scissors are sharp enough?
    should be able to cut through 4 layers of gauze
  22. Describe general operating scissors.
    • all purpose
    • sharp-sharp, sharp-blunt, blunt-blunt
    • straight or curved
  23. Describe metzenbaum scissors.
    • long shanks, short blades
    • delicate
  24. Describe mayo scissors
    • shorter shank
    • longer blade
    • heavier than metzenbaum
  25. Describe wire cutting scissors
    • not the same as wire cutters
    • short, heavy, serrated
  26. Describe suture removal scissors.
    • Littauer suture removal scissors
    • "hooked" - thin point to pass under sutures
    • for removing sutures
  27. Describe bandage scissors.
    • Lister bandage scissors
    • "knobbed" - flat, blunt tip on lower blade
  28. What are thumb forceps?
    similar to tweezers
  29. What are the two types of tips for thumb forceps?
    • rat tooth: large teeth
    • mouse tooth: small teeth
  30. How do you hold a thumb forcep?
    like a pencil
  31. What are the different type of thumb forceps?
    • Adson
    • Brown-Adson
    • Russian
  32. What are hemostat used for?
    • hold tissue
    • clamp blood vessels
  33. Describe a mosquito hemostat.
    • small and delicate
    • about 3 inches long
  34. Describe kelly hemostat.
    • tips halfway grooved
    • "kelly is a nice girl, she doesn't go all the way"
  35. Describe crile hemostats.
    • smaller than kelly hemostat
    • tips fully grooved
    • "crile goes the extra mile"
  36. Describe carmalt hemostats.
    • big hemostat
    • for crushing
    • longitudinal grooves on tips
  37. Describe angiotribe hemostats.
    • long, strong, evil looking
    • deep longitudinal grooves with opposing ridge
    • for crushing tissue and blood vessels
  38. What are the different types of tissue forceps?
    • allis forceps
    • alligator forceps
    • sponge forceps
    • towel clamps
  39. Describe allis forceps.
    • maximum holding
    • can be traumatic
    • not used on skin
  40. Describe alligator forceps
    • long shanks
    • tiny jaws
    • for grasping through narrow openings
  41. Describe sponge forceps
    open grooved rings at tips
  42. Describe towel clamps
    • holds drapes onto patient
    • curved tips that join at points
    • clamp minimum skin at 45 degree angle to incision
  43. What are the different type of towel clamps?
    • Backhaus
    • Roeder
    • Jones
  44. What are needle holders for?
    for ligating and suturing
  45. What are the different types of needle holders?
    • Mayo-Hegar - plain
    • Olsen-Hegar - scissors
  46. What are rectractors used for?
    used to improve exposure of surgical field with minimual trauma
  47. What are the different retractors?
    • hand-held
    • self-retaining
    • snook hook
  48. What are the different orthopedic instruments?
    • chuck and key: for intramedullary pinning
    • bone-cutting forceps: look like wire cutters
    • rongeurs: forceps with heavy, sharp, cupped tips for cutting bone
    • bone-holding forceps: kern
    • trephine: cylindrical blade, T handle, used for drilling out bone
    • osteotome and mallet: double beveled chisel
    • bone rasp:
    • Gigli wire saw:
    • bone curette: scrape bone
    • pins, screws, plates:
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    alligator forceps
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    allis tissue forceps
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    baby jones towel clamp
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    backhaus towel clamp
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    bone cutting forceps
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    gelpi retractor
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    general operating scissors
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    Name the parts from top to bottom
    • tip
    • jaws
    • box lock
    • shanks
    • ratchets
    • finger rings
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    kelly hemostats
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    lister bandage scissors
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    littauer suture removal scissors
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    mayo scissors
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    mayo-hegar needle holders
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    metzenbaum scissors
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    mosquito hemostats
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    olsen-hegar needle holders
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    self retaining retractors
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    senn retractors
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    snook hook
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    sponge forceps
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    thumb forceps
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    tongue forceps
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    wire cutting scissors
Card Set:
Surgical Instruments 1
2012-03-28 01:22:48
Clinical Practice

Clinical Practice
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