Stryker Hermes Ready Pump
Stryker · Model Hermes Ready Pump
• Speech Recognition - There are two types of speech recognition systems - those for dictation and those for voice control. The primary differences between the two are the size of the vocabulary and the speech recognition accuracy. Dictation systems commonly incorporate thousands of words in their vocabulary; however, the speech recognition accuracy is not acceptable for the OR environment. Conversly, systems such as HERMES Control Center utilize a finite vocabulary resulting in extremely high speech recognition accuracy. In addition, HERMES speech technology has one- time pronunciation training session so the recognizer can learn the characteristics of each surgeon's voice. The HERMES platform was developed specifically for the challenging operating room environment where safety, accuracy and dependability are mission critical. • Advances in endoscopic surgery have reduced procedural efficiency by adding numerous ancilliary devices which must be constantly monitored and adjusted. The HERMES network was designed to optimize the efficiency of the OR team in these complex situations. Speech recognition provides the most natural interface to deliver direct control of these devices to the surgeon, thereby increasing the efficiency of the OR team.The HERMES speech engine is designed to recognize the specific surgeon's voice model- and only the words in its vocabulary. This allows the surgeon to naturally interact with the OR staff without inadvertently activating peripheral devices. • Video Feedback - Because the endoscopic surgeon's focus is on the video monitor, the HERMES Control Center provides a graphic display of peripheral device information. This overlay provides both navigation of system capabilities and device status in an easy-to-understand universal format. The surgeon maintains focus on the procedure while still using multiple peripheral devices efficiently. • Audio Feedback - The HERMES Control Center provides audiable voice feedback to close the "voice control loop". This simple confirmation lets the OR team know that the commands were recognized and acted upon, enhancing communication and productivity by minimizing time spent investigating device status. It confirms critical functions and explains otherwise unclear device feedback. • Touch-Screen Pendant Control - In addition to voice- control, a touch- screen Pendant provides auxiliary control of all HERMES- Ready devices from a single location, in or out of the sterile field. The Pendent controller utilizes a universal user interface for all HERMES- Ready devices, which simplifies the control of non- standardized devices.
Key tips
- ·Never defeat or bypass a return-electrode monitoring (REM) alarm to finish a case - it's a direct burn risk.
- ·Verify OR table battery backup - a table that loses power mid-procedure is a real, documented incident type.
- ·Track surgical light lamp-hours rather than waiting for failure - a sudden failure mid-case is avoidable.
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.
Peristaltic / roller pump wear
HighSymptoms: Inaccurate flow, pressure alarm.
Root cause: Worn pump rollers or tubing raceway.
Pressure / flow sensor drift
MediumSymptoms: Reported joint/uterine pressure inaccurate.
Root cause: Pressure transducer calibration drift.
Inflow / outflow valve fault
MediumSymptoms: Fluid deficit alarm, uneven distension.
Root cause: Worn solenoid valve or occluded line.
Tubing set seating fault
LowSymptoms: Leak, or won't prime.
Root cause: Worn cassette seat or cracked fitting.
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.
Pressure / flow sensor
Class Periodic replacementRel. cost $$$R&R Moderate
Inflow / outflow solenoid valve
Class Periodic replacementRel. cost $$R&R Moderate
Disposable tubing / cassette set
Single-use consumable.
Class ConsumableRel. cost $R&R Easy
Peristaltic pump head
Class Periodic replacementRel. cost $$$R&R Moderate
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Pressure / flow sensor | Periodic replacement | $$$ | Moderate |
| Inflow / outflow solenoid valve | Periodic replacement | $$ | Moderate |
| Disposable tubing / cassette set Single-use consumable. | Consumable | $ | Easy |
| Peristaltic pump head | Periodic replacement | $$$ | Moderate |
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.
- ·Pre-case functional check
- ·Electrosurgical return-electrode cable inspection
- ·Table hydraulic / mechanical inspection
- ·Annual electrical safety test and 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: Peristaltic / roller pump wear
- Confirm the presentation - typically inaccurate flow, pressure alarm - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: worn pump rollers or tubing raceway.
- 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 peristaltic pump head 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: Pressure / flow sensor drift
- Confirm the presentation - typically reported joint/uterine pressure inaccurate - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: pressure transducer calibration drift.
- 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 pressure / flow sensor 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.
- Operating rooms
- Procedure rooms
- Interventional suites
Documents & Manuals
No documents available for this device yet.
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