FIELD: medicine.
SUBSTANCE: method involves layer-by-layer infiltrating tissue above cavity with Novocain, making test cavity puncture with needle and skin incision, introducing trocar and draining the cavity with Foley catheter. The needle is left in the cavity as guide member for introducing the trocar. When taking cavity content, the needle is removed after having removed stiletto. The Foley catheter is introduced into the cavity through nonseparable metal bush sleeve. The trocar bush sleeve is removed from the cavity and taken away from the catheter. The bush sleeve is withdrawn through lateral slit being as long as the bush sleeve and 1/2 diameter in width.
EFFECT: high accuracy in introducing trocar; reduced risk of traumatic complications; enhanced effectiveness in draining cavities having rigid walls.
1 dwg
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