Northgate Technologies 7645 HUMI High Flow
Northgate Technologies · Model 7645 HUMI High Flow
CO2 Insufflation for all laparoscopic surgical procedures • High performance, HIGH FLOW (Up to 40 LPM through either port) • Auto Pressure Relief • The TAP™ Tubing Sets; a proprietary, independent method for directly measuring abdominal pressure. The benefits are faster, initial insufflation and faster recovery from sudden pressure leaks. • Integrates with video tower system and adjusts to low & high pressure CO2 source.
Key tips
- ·A failed leak test means the scope does not get reprocessed or used - send it for repair, full stop.
- ·A shortened reprocessing cycle is a real infection-control failure, not a minor deviation - follow AAMI ST91 exactly.
- ·Track light-source lamp-hours against the manufacturer's limit rather than running to failure.
Typical Failure Modes
Failure patterns typical of this equipment class - general BMET reference, not verified against this exact unit's own service history unless flagged. Severity is a category-level estimate.
Insertion tube / bending wear
HighSymptoms: Stiff angulation, image artifacts.
Root cause: Repeat flexing / reprocessing.
Leak (water ingress)
HighSymptoms: Fogging, failed leak test.
Root cause: Damaged outer sheath.
Image sensor / CCD fault
HighSymptoms: No/poor image, color error.
Root cause: Sensor or cable failure.
Channel blockage
MediumSymptoms: Poor suction / irrigation.
Root cause: Debris in working channel.
Serviceable Parts & Consumables
The parts a BMET typically services on this class of equipment. Service class and relative cost are general engineering estimates for the category, not figures from this unit's documentation. Part numbers appear only when pulled from this unit's own service manual. Always confirm intervals and pricing against the manufacturer.
Working channel liner
Class Periodic replacementRel. cost $$$R&R Difficult
Outer sheath / distal end
Class Periodic replacementRel. cost $$$$R&R Expert-level
Angulation cable / mesh
High-value R&R.
Class Periodic replacementRel. cost $$$$R&R Expert-level
Image sensor module
Class Periodic replacementRel. cost $$$$R&R Expert-level
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Working channel liner | Periodic replacement | $$$ | Difficult |
| Outer sheath / distal end | Periodic replacement | $$$$ | Expert-level |
| Angulation cable / mesh High-value R&R. | Periodic replacement | $$$$ | Expert-level |
| Image sensor module | Periodic replacement | $$$$ | Expert-level |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
- ·Leak testing before each reprocessing cycle
- ·Scope reprocessing per AAMI ST91
- ·Light source lamp-hour tracking
- ·Annual full PM
Troubleshooting Approach
A structured starting point derived from the failure modes above. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Insertion tube / bending wear
- Confirm the presentation - typically stiff angulation, image artifacts - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: repeat flexing / reprocessing.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the angulation cable / mesh per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Symptom: Image sensor / CCD fault
- Confirm the presentation - typically no/poor image, color error - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: sensor or cable failure.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the image sensor module per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Endoscopy suite / GI lab
- Operating Room
- Bronchoscopy suite
Documents & Manuals
No documents available for this device yet.
Safety & Recalls
Synced live from the FDA openFDA API.
- RECALL
The languages for Russian, Romanian, Slovak, and Czech have the power settings for high and low switched in the device.
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