18 Flashcards

1
Q

6 Halstead principles

A
  1. gentle tissue handling2. hemostasis3. aseptic technique4. preserve blood supply5. eliminate dead space6. Appose tissues with minimal tension
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2
Q

grips for scalpel handling

A

pencil–accurate for short, delicate maneuversfingertip–max length with greatest accuracy, stability

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3
Q

four motions of cutting with scapel blade

A
  1. slide–precise depth, length and control2. press–stab incisions3. sawing–continuation and cut without removal/reinsertion of blade4. scraping–separate tissue layers
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4
Q

three forces used when cutting with scissors

A
  1. close2. shear3. torque
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5
Q

grip used with scissors

A

tri-pod

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6
Q

T/FCutting tissue with the portion of the blade near the fulcrum results in greater crushing injury

A

TRUEUSE TIPS FOR LESS CLOSING FORCE AND MORE SECURE STABILITY OF TISSUE

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7
Q

needle hold names for those that cut and don’t cut

A

Mayo-Hegar—don’t cutOlsen Hegar–cut

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8
Q

suture tage recommendations for synthetic material v gut

A

suture tagessynthetic: 3 mmGut: 6 mm

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9
Q

four grips for manipulating a needle holder

A
  1. tri-pod (thumb-ring)2. thenar3. palmed 4. pencil (castro veijos)
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10
Q

strongest grip in a ringed instrument

A

palmed–provides the greatest needle pressure and control in dense tissue and provides maximum wrist rotation

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11
Q

3 types of forceps

A
  1. crushing–Allis, Babcock, Kocher2. noncrushing–Doyen, Statinsky3. hemostatic–Halstead, Kelly, Crile, Carmalts
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12
Q

list non penetrating instruments

A
  1. lorna2. ednas3. allis
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13
Q

types of self retainer retractors

A

BalfourWeitlanerGelpiFinochiettoLonestar ring retractor

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14
Q

list hand held retractors

A

Sennarmy-navyGreenSpay hookvolkmannmalleable

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15
Q

types of suction tips

A

poolefrasieryankauer

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16
Q

the blood supply in the wound edge is inversely proportional to what…

A

the blood supply in the wound edge is inversely proportional to the wound closure tension

17
Q

benefits of a continuous pattern suture

A

quickerdistributes tension evenly along entire length of wound

18
Q

inverting continuous patterns

A

connell (into lumen)cushinglembert

19
Q

T/Fpurse string sutures are inverting

A

TRUE

20
Q

5 principles of knot tying

A
  1. simplest secure knot for suture used to minimize knot volume2. avoid friction3. use appropriate tension4. pull suture ends in opposite direction, horizontal and with even tension5. never grasp suture with needle holders
21
Q

where is the weakest point in a suture line or ligature

A

practically always the knot

22
Q

synthetic absorbable relative knot security %

A

67%