Performance Characteristics of GEF – 1650 Endoscope
Fiber colonoscopy is an advanced examination method used to detect space-occupying lesions (e.g., tumors) in the colon and inflammatory or abnormal changes in the large intestinal mucosa. It is indicated for patients with unexplained hematochezia, mucoid stools, purulent bloody stools, chronic diarrhea, abdominal pain, anorectal pain, fecal deformation, defecation difficulty, or positive fecal occult blood tests to establish a diagnosis. If lesions are identified, two tissue samples can be collected under endoscopy for pathological examination; colon polyps ≤2 cm in diameter can be removed via snare electrocautery under colonoscopy, avoiding laparotomy.
Intestinal Preparation Before Colonoscopy:
- Brew 15–30 g senna leaves with boiling water at 2 PM the day before the exam; consume a liquid diet for dinner. Undergo colonoscopy after breakfast on the exam day.
- Consume a liquid diet for dinner the day before. Drink 250 mL of 20% mannitol followed by 2,000 mL warm water. Undergo colonoscopy after breakfast the next day.
- Consume a liquid diet for dinner the day before. Take 4 boxes of polyethylene glycol electrolyte (Shutaiqing), each containing 6 bags of A and B. Mix 1 bag of A and 1 bag of B with 250 mL water and drink every 15 minutes until all 4 boxes are completed. Undergo colonoscopy after breakfast on the exam day.
- On the exam day, undergo enema followed by colonoscopy; no pre-exam dietary restriction is required.
- Use sodium phosphate enema before the exam to induce defecation; colonoscopy can be performed ~30 minutes later; no pre-exam dietary restriction is required.
| Item No. |
Description |
Specification |
| 1-1 |
Outer Diameter of Tip |
≤Φ12.8mm/13.00mm |
| 1-2 |
Outer Diameter of Main Soft Tube |
≤Φ12.8mm/13.00mm |
| 1-3 |
Inner Diameter of Forceps Channel |
≥Φ3.7mm/3.2mm |
| 1-4 |
Working Length |
≥1330mm |
| 1-5 |
Total Length |
≥1650mm |
| 1-6 |
Field of View Angle |
≥100° (Direct View) |
| 1-7 |
Observation Depth |
≥3 – 100mm |
| 1-8 |
Bending Angle |
≥180° Upward, ≥180° Downward, ≥100° Left and Right |
| 1-9 |
Bending Operation |
Chain Traction Structure, Fully Sealed and Waterproof for the Whole Machine |
| 1-10 |
Warranty Period |
One – year quality warranty, lifetime maintenance |
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