Olympus EVIS EXERA TJF-160VR, Instructions Manual, Page: 16 / 90

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Chapter 2 Instrument Nomenclature and Specifications
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
2.2 Endoscope functions
1. Suction connector
This connector connects the endoscope to the suction tube of the suction
pump.
2. S-cord connector mount
This mount connects the endoscope with the Olympus electrosurgical unit
via the S-cord. The S-cord conducts leakage current from the endoscope to
the electrosurgical unit. To connect the S-cord, refer to the instruction
manual for the electrosurgical unit.
3. Water supply connector and air supply connector
These connectors connect the endoscope to the water container via the
water container tube, to supply water to the distal end of the endoscope.
4. Endoscope connector
This connector connects the endoscope to the output socket of the light
source and transmits light from the light source to the endoscope.
5. Electrical connector
This connector connects the endoscope to the video system center via the
videoscope cable. The endoscope contains a memory chip that stores
information about the endoscope and communicates this information to the
video system center CV-160. For more details, refer to the instruction
manual of the CV-160.
6. UP/DOWN angulation control knob
When this knob is turned in the “ U” direction, the bending section moves
UP; when the knob is turned in the “D ” direction, the bending section
moves DOWN.
7. UP/DOWN angulation lock
Moving this lock in the “F ” direction frees angulation. Moving the lock in
the opposite direction locks the bending section at any desired position.
8. Suction valve (MH-443)
This valve is depressed to activate suction. The valve is used to remove any
fluid, debris, flatus or air from the patient.
9. Air/water valve (MH-438)
The hole in this valve is covered to insufflate air and the valve is depressed
to feed water for lens washing. It also can be used to feed air to remove any
fluid or debris adhering to the objective lens.
10. Instrument channel port
The instrument channel port functions as:
−
channel for the insertion of endo-therapy accessories
−
suction channel
−
fluid feed channel (from a syringe via the biopsy valve)