| 摘要 |
FIELD: medicine, in particular, surgical equipment for injection of solutions through endoscope. ^ SUBSTANCE: apparatus has polymeric catheter and injection needles. Protective petals are provided at working end of catheter. Syringe connection cannula is fixed at other end of catheter. Petals close immovably fixed needle and are designed so as to be opened for defining injection depth restricting member. ^ EFFECT: enhanced reliability in operation, simplified construction and convenient use. ^ 4 cl, 1 dwg |
