Surgical kit for treatment of obesity by reduction of opening or size of digestive tract, has hollow needle that is fixed to end of catheter for injecting composition into body of patient, where needle has specific internal diameter

摘要

The kit has an implantable biocompatible body whose composition (11) has dynamic viscosity ranging from 10-50 mega Pascal at 25 degrees Celsius. A hollow needle is fixed to an end of a catheter for injecting the composition into the body of a patient, where the hollow needle has an internal diameter ranging from 0.4mm to 1.2mm. The needle has an external diameter ranging from 0.6mm to 1.4 mm. The catheter has an internal diameter equal to or more than 2.8 mm.