FIELD: biology; medicine.
SUBSTANCE: fistula tube can be used for physiological testing of animals' digestive system. Fistula tube has case in form of cylindrical tube; flange is attached to intra-organ end of tube. Tube is also provided with two removable fixing discs and plug. Flange is made removable. It is connected with cylindrical tube by means of threaded connection. Flange is additionally fixed onto tube by means of two ligatures. End of one ligature is fastened to flange, and end of other ligature is attached to wall of cylindrical tube. Lug is made onto wall of cylindrical tube for fixing third ligature, which ligature intends for additional fixation of fistula tube in abdominal wall. Post-operational recovery goes smoother and fistula tube settles down with fewer complications.
EFFECT: reduced traumatism; reduced risk of post-operation complications.
2 cl, 8 dwg
