A Case Study of PENTAX Fiber Bronchoscope Repair

Release time:

2025-03-12 09:38

Machine Type:PENTAX Fiber Bronchoscope

Machine Model:FI-16RBS

1. Malfunction Phenomenon:

Blurry image with water ingress, flickering interference.

2. Malfunction Detection:

Observe the external tube for damage or destruction, aging and cracking of the insertion tube, significant water leakage; the insertion tube is flattened in multiple places, the forceps tube is bent, and the light beam is broken.

3. Malfunction Determination and Analysis:

The insertion tube is aged, cracked, and has significant water leakage. Long-term use has caused the insertion tube to be flattened in multiple places, the forceps tube is bent, and there is resistance; the tissue protein residue on the surface of the insertion tube is dehydrated and adhered to the outer skin during disinfection, accumulating over time to form crystals, causing the outer skin of the insertion tube and other components to turn yellow, rough, and aged. The image is blurry due to water ingress, and the light beam is broken.

4. Malfunction Handling:

Overhaul, replace the insertion tube, light beam, forceps tube, steel wire mesh, spiral tube, rubber, etc. After replacement, the malfunction is eliminated.

5. Comparison of Repair Results Before and After:

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$20211110\36ac63b02b0260f9cb8e57f662f96403.jpg$

6. Endoscope Maintenance Tips:

Endoscopes should be stored properly after use.

(1) Cleaning: After use, endoscopes must be thoroughly cleaned, disinfected, dried, and maintained (leakage test, alcohol wipe of the distal end without water, alcohol wipe of the body without water, oiling of buttons, etc.).

(2) Storage: Store in a dedicated endoscope cabinet (hanging, stable), and turn on the ultraviolet disinfection regularly.

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