Midmark
MIDMARK CORPORATION · Model 9A81001-854
The Midmark Articulating Armboard, Deep Earth colored, is intended to be used with the 230, 630 and 641 Procedure Chairs, and attaches to either side of the chair and supports the patient's arm during procedures and administering of IVs. The ball joint design permits multi-directional movement. Simply squeeze the lever, position the armboard and release the lever.
Intended use: A preformed device designed to support and stabilize a patient's arm in a desired position during a medical procedure [e.g., orthopaedic surgery, anaesthesia administration, blood donation, intravenous (IV) infusion, physical therapy massage]. Also known as an arm posturing device or armboard, it is typically constructed as an elongated, curved, cushioned surface, and is typically attached or fixed onto a side rail, operation/examination table, blood donor couch, or a chair, and has adjustable height, tilt, rotation, and lock positioning capabilities. This is a reusable device.
Key tips
- ·When no category-specific guidance fits, default to the manufacturer's own service manual and the general troubleshooting method in the Engineer's Guide.
- ·Run an incoming and annual electrical safety test regardless of how niche the device is.
Typical Failure Modes
Compiled for this model from its own documentation and established engineering knowledge for this equipment class - not from a verified service record. Confirm against the manufacturer's service manual.
A powered function will not run
HighSymptoms: Height / back / tilt does not respond to the hand or foot control.
Root cause: Foot / hand control fault, a linear actuator, a control-box relay, or a limit switch.
Section drifts or will not hold
MediumSymptoms: Table settles under load after positioning.
Root cause: Actuator backdrive or a gas-spring fault.
Control unresponsive
MediumSymptoms: Intermittent or dead hand / foot control.
Root cause: Cable, contacts, or fluid ingress.
Noisy or slow movement
LowSymptoms: Rumble or sluggish travel.
Root cause: Worn actuator or unlubricated joints.
Serviceable Parts & Consumables
Serviceable items for this model, compiled from its documentation and engineering knowledge for this equipment class. Service class and relative cost are estimates, not manufacturer figures; no part numbers are given. Confirm intervals and pricing against the manufacturer.
Linear actuator
Class Major service partRel. cost $$$R&R Moderate
Hand / foot control
Class Periodic replacementRel. cost $$R&R Fairly easy
Control box / relay
Class Major service partRel. cost $$$R&R Moderate
Gas spring (back assist)
Class Major service partRel. cost $R&R Moderate
Limit switch
Class Major service partRel. cost $R&R Moderate
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Linear actuator | Major service part | $$$ | Moderate |
| Hand / foot control | Periodic replacement | $$ | Fairly easy |
| Control box / relay | Major service part | $$$ | Moderate |
| Gas spring (back assist) | Major service part | $ | Moderate |
| Limit switch | Major service part | $ | 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.
- ·Follow the manufacturer's PM schedule
- ·Perform incoming and annual electrical safety testing per facility biomedical program
Troubleshooting Approach
A starting sequence for this model, compiled from its documentation and engineering knowledge for this equipment class. Follow the manufacturer's service documentation for the actual procedure.
Symptom: A powered function is dead
- Verify mains power and any fuse.
- Operate the function and listen for the actuator; test other functions to isolate.
- Substitute a known-good control.
- Check the limit switches.
- Replace the actuator, control or relay as isolated, then load-test.
Symptom: Section drifts down
- Note how fast it settles and under what load.
- Check the actuator for backdrive and the gas spring.
- Replace the actuator or gas spring.
- Confirm it holds at several positions.
- Re-check limit-switch function.
Technical Specs
- MRI safety
- Labeling does not contain MRI Safety Information
- Sterile
- No
- Single use
- No
- FDA distribution status
- In Commercial Distribution
- Device type (GMDN)
- Arm procedure positioner, reusable
- FDA product classification
- CHAIR, SURGICAL, AC-POWERED
- Manufacturer support
- +1(800)643-6275 · support@midmark.com
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Varies by device - check the unit's own manual for facility placement guidance
Documents & Manuals
No documents available for this device yet.
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