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LA Sx Final > Surgical Staplers > Flashcards

Surgical Staplers Flashcards

1
Q

You should not use staples in the ______ b/c they would transect all circular muscle fibers

A

Small colon

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2
Q

High risk of impaction and dehiscence if you use staples at this site

A

Small colon

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3
Q

Do staples or sutures have higher bursting pressure?

A

Sutures

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4
Q

2 staggered rows of B-shaped staples to seal tissues and vessels

A

Thoracoabdominal stapler

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5
Q

Everts the mucosa which could lead to abscessation and more adhesions

A

TA stapler

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6
Q

Why is oversewing a TA stapled incision not an option?

A

Abscess formation

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7
Q

Which stapler is better than a TA stapler if there is enough healthy tissue/

A

Parker-Kerr

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8
Q

Used to close hollow viscera stumps and can be sewn over

A

Parker-Kerr stapler

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9
Q

What suture pattern do you use over a Parker-Kerr staple line?

A

Cushing with stapler in place

Lembert after stapler removed

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10
Q

Rank the bursting pressure of handsewn, skin stapler, and TA 90 for closure of a PF enterotomy

A

HS > skin stapler > TA-90

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11
Q

Rank the cost of handsewn, skin stapler, and TA 90 for closure of a PF enterotomy

A

TA-90 > skin stapler > HS

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12
Q

What carries a higher risk of abscessation?

A

Eversion of mucosa

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13
Q

GIA

A

Gi anastomosis stapler

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14
Q

ILA

A

Intestinal linear astamosis stapler

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15
Q

What anastamoses are GIA and ILA used for?

A

Side-to-side

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16
Q

4 staggered rows of B-shaped stables w/cutting blade to divide tissue between 2nd and 3rd rows

A

GI staplers

17
Q

When are GIA and ILA (side-to-side) anastamosis techniques used?

A

Jejunocecostomy or large colon

18
Q

What kind of anastamosis do we do for small intestine?

A

End-to-end

19
Q

What GI stapler is used for laparoscopic procedures?

A

Endo-GIA

20
Q

Reduces tissue thickness and makes closure of a GIA staple more effective

A

Pre-compression

21
Q

What is GIA pre-compression?

A

15 sec interval between closing the GIA and firing the staples

22
Q

What is the more common metal used for staples?

A

Titanium (also use stainless steel)

23
Q

What color cartridge is used to indicate large size staples?

A

Green

24
Q

What color cartridge is used to indicate small size staples?

A

Blue

25
Q

What is the advantage of a B-shaped staple?

A

Allows blood flow (doesn’t crush tissues flat)

26
Q

Places 2 vascular staples and cuts between them

A

LDS

27
Q

LDS

A

Ligating dividing stapler

28
Q

Tissue must be compressed to _____ to use an LDS

A

0.75mm

29
Q

Mainly used in horses for rapid obstruction of mesenteric vessels during SI resection and anastamosis

A

LDS

30
Q

One suture ligation is required alongside this stapling technique

A

LDS

31
Q

When using ligating clips, what should the lumen of the vessel be relative to clip size?

A

1/3 to 2/3 the size of the clip

32
Q

More easily dislodged than suture ligations and are not commonly used b/c of the better options available

A

Ligating lips

33
Q

rapid closure of surgical incisions w/o tensions

A

Skin staplers

34
Q

Provide excellent wound edge eversion

A

Skin staplers

35
Q

How far apart are skin staples applied for an SI anastomosis?

A

1-2mm

36
Q

What is a risk of using skin sutures for an SI anastamosis?

A

Rigidity of staple = risk of serosal tearing

37
Q

How much faster is closing an SI anastamosis with staples than with suture?

A

3x faster

38
Q

Causes inversion (desirable) of an PF enterotomy (better than TA-90)

A

Skin stapler

39
Q

What is the difference in bursting pressure between sutures and skin staples used for typhlotomy in cattle?

A

None

LA Sx Final (20 decks)

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