Surgical staplers Flashcards
These staplers fire one double-staggered row of B-shaped staples to seal tissues and vessels with preservation of microcirculation.
thoracoabdominal (ta) staplers
Describe the leg length, crown width, and closed height of staples from a TA stapler green cartridge:
Green cartridges contain staples that have a leg length of 4.8 mm, crown width of 4.0 mm, and closed height of 2.0 mm.
Describe the leg length, crown width, and closed height of staples from a TA stapler blue cartridge:
The staples in the blue cartridge have a leg length of 3.5 mm, a crown width of 4.0 mm, and closed height of 1.5 mm
These staplers apply four staggered rows of staples; cartridges contain cutting blades that divide tissues between the second and third row of staples. The instrument separates into two halves so that each fork of the instrument can be placed into a bowel lumen or on either side of a hollow viscus. After closure, the push bar handle of the device is slid forward to fire the staples and the blade. the incision cut by the knife blade is 8 mm short of the last staple at the distal end.
Gastrointestinal staplers (Gastrointestinal anastomosis (Gia) and intestinal linear anastomosis (ila) staplers)
Describe the leg length, crown width, and closed height of staples from a GIA stapler blue cartridge:
Staples of the blue cartridge for reusable GIA instruments have a crown width of 4 mm, a leg length of 3.8 mm, and a closed height of 1.5 mm.
this stapler is a pistol-shaped instrument that places two vascular staples simultaneously while a cutting blade divides the blood vessel–containing tissue between them
Ligating dividing stapler (LDS)
What restriction is there on using the LDS?
the LDS should not be used on tissues that cannot be compressed to 0.75 mm
T/F: in an experimental study in horses evaluating jejunal artery occlusion, mean arterial bursting pressure achieved with the LDS was significantly lower than after ligaSure application or 2-0 PDS
ligation but still far above systolic pressure values
True
T/F: Skin staples are suitable for rapid closure of surgical incisions that are not subjected to appreciable tensile forces. they provide excellent wound edge eversion without strangulation of tissue and incite only minimal tissue reaction.
True