Model note · Endoscope
Olympus EVIS EXERA III GIF-HQ190 gastrointestinal videoscope
The GIF-HQ190 is a high-definition flexible upper GI videoscope (gastroscope) used in endoscopy units for the oesophagus, stomach and duodenum, running on the EVIS EXERA III CV-190 video centre and CLV-190 light source. Its distinguishing feature is Dual Focus, which switches between normal and near focus for close inspection of mucosa, together with NBI narrow band imaging.
The model
Maker, model and type.
- Maker
- Olympus Medical Systems Corp.
- Model
- GIF-HQ190 gastrointestinal videoscope
- Device type
- Endoscope
- Main document
- Open the public document
Key specifications
What the public record says.
| Item | Value | Source |
|---|---|---|
| Insertion tube and distal end diameter | 9.9 mm | Source |
| Working channel | 2.8 mm | Source |
| Working length | 103 cm | Source |
| Bending | Up 210, down 90, left and right 100 degrees | Source |
| Field of view | 140 degrees | Source |
| Depth of field | Normal 5 to 100 mm; near 2 to 6 mm (Dual Focus) | Source |
| Features | Water jet, NBI, waterproof one-touch connector | Source |
| Compatible processors | CV-190 and CV-1500 video system centres | Source |
| Regulatory class | FDA Class II, 21 CFR 876.1500; cleared within the EVIS EXERA III Video System (K112680, K131780) | Source |
Recalls
Known FDA recalls.
- Z-1275-20222022-04-22
An A-rubber for a different scope model may have been fitted to GIF-HQ190 during Olympus repair, fitting too tightly.
FDA record - Z-0334-20242023-09-25
Unvalidated channel air drying after repair; some returned scopes had wet channels, with infection risk.
FDA record - Z-0417-20242023-10-16
Some repaired GIF-HQ190 scopes lacked adhesive securing the suction channel mouthpiece at the light guide connector.
FDA record
Safety
Safety warnings from the record.
- Water left in channels after repair could lead to contamination and infection; a recall found Olympus had not validated its channel drying step after repair. Source
- Routine reprocessing of a leaking scope can cause further damage, so follow the specific Olympus procedure for leaking scopes. Source
- If the maintenance unit or light source is switched off while a leaking scope is immersed, water can enter and damage it. Source
- Olympus returns scopes unrepaired if they have not been cleaned and high-level disinfected or sterilised. Source
Sources
Where this note comes from.
- Olympus America, GI Certified Pre-Owned Products Comparison Guide (July FY27)
- Olympus America, Guidelines for returning endoscopes for repair and reprocessing damaged scopes (2014)
- FDA 510(k) K131780 summary, EVIS EXERA III Video System
- openFDA MAUDE problem counts, model GIF-HQ190
- openFDA recalls, GIF-HQ190
Not covered: The GIF-HQ190 operation and reprocessing manuals were not found on an Olympus public site, so the full reprocessing steps, angulation checks and CV-190 processor error messages are not included.
BMEssentia knowledge drafted from public information, reviewed by Hasan Khaled Ismail on 2026-10-24. Always follow the manufacturer's instructions for use and service manual.
Endoscope