Equipments and Accessories

(1)

Gastroenterology and hepatology, Chinese PLA General Hospital, Beijing, China, People’s Republic

Abstract

This chapter briefly describes the selection and detailed parameters of commonly used equipments and accessories for tunnel technique.

This chapter briefly describes some common equipments and accessories for tunnel technique.

11.1 Equipments

11.1.1 Endoscope with Water Supplying Device

Olympus (Figs. 11.1 and 11.2): Q260J is a direct view endoscope with a viewing angle of 140°, an outer diameter of 9.9 mm and the forceps channel diameter of 3.2 mm. And its auxiliary water supply access position is at the insertion portion where the endoscope is connected to the host.

Fig. 11.1

Commonly used endoscope with the water supplying device

Fig. 11.2

Olympus Q260J endoscope

Fujifilm: EG – 450RD5 (Figs. 11.3 and 11.4) is an endoscope with a direct-view. Its viewing angle is 140°, outer diameter 9.8 mm and forceps channel diameter 3.2 mm. And its auxiliary water supply access position is at the top the handle of the endoscope.

Fig. 11.3

EG – 450RD5

Fig. 11.4

Water supply function of EG – 450RD5

Pentax (Fig. 11.5): EG29 – i10N, EG – 2990i, EG – 2990K and EG – 3490k all have the function of water supply and are all direct – view endoscopes with a viewing angle of 140°, an outer diameter of 9.8–11.6 mm and the forceps channel diameter of 2.8–3.2 mm.

Fig. 11.5

(a) Pentax endoscope. (b) Pentax endoscope

11.1.2 Injection Pump

At present, the common injection pumps include Olympus, Fujifilm and ERBE injection pump.

11.1.3 CO₂ Insufflation Pump

At present, the common CO₂ insufflation pumps include Olympus UCR pump (Fig. 11.6) and Fujifilm pump.

Fig. 11.6

Olympus CO₂ insufflation pump

11.1.4 High-Frequency Electrical Generator

Common high-frequency electrical generators are ERBE VIO 200D, ERBE VIO 200S, hybrid knives and Olympus company’s ESG – 100 (Figs. 11.7, 12.8, 11.9, and 11.10). ERBE machine has a few parameters, or the parameters could be adjusted according to operators’ own experience. ESG – 100 parameters are shown in Table 11.1.