Invacare MicroAIR MA50 Alternating Pressure Overlay System


MSRP: $1,450.69
(You save $701.69 )

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MSRP: $1,450.69
(You save $701.69 )

The Invacare® MicroAIR MA50 Alternating Pressure Mattress Overlay Pad is a powered alternating pressure overlay system designed to aid in the prevention and treatment of pressure ulcers (bed sores). The MA50 reduces interface pressure by alternately inflating and deflating 16 individual 5-inch air cell bladders every 5, 10, 15 or 20 minutes. 

Patients with immobility or perceptual problems who remain bedridden for extended periods can develop open sores at points where the weight of the body compresses the skin, often under bony prominences like the hips or shoulders. These sores are called pressure ulcers. 

An alternating pressure mattress overlay pad helps in pressure ulcer treatment and management by shifting pressure to different parts of the body in a repeating cycle, which prevents any body area from being under pressure all the time.

  • New wireless Fowler technology, real time pressure monitoring and energy conserving power units combine to make MicroAIR therapeutic support surfaces the most efficient and dynamic support surfaces in the market
  • Pressure reduction helps the caregiver to prevent and treat pressure ulcers and promote capillary circulation
  • Horizontal configuration of 16, 5-inch air bladders create an alternating  pressure reducing mattress overlay that attaches to an existing mattress
  • Fits most standard hospital beds
  • Unique and patented designs of the power unit combine comfort and technology for patient relief and inspire caregiver confidence
  • Control panel is designed with icons to provide easy, intuitive operation for caregivers 
  • 10 LPM compressor has alarm, alarm silence, and lock out features
  • Mattress can be set to alternating or static mode 
  • Alternating mode available in treatment times of 5, 10, 15 or 20 minute cycles
  • Max Inflate mode for patient transfers
  • Non-skid bottom and secures to mattress with elastic hold-downs
  • Waterproof, anti-microbial 70 Denier cover helps protect against friction and shear
  • Mattress will not bottom out with hoses attached to the compressor power unit, even without power
  • Specially designed connectors are inset to help protect them from accidental dislodging when in use 
  • Must be used with a mattress
  • Control unit and mattress are latex-free

To speak with a customer service representative, call 1-800-956-6616

  • Alternating pressure overlay lays on top of mattress to help prevent bed sores
  • 10 LPM pump alternately inflates and deflates air cells in pad
  • Low air loss function helps keep skin cool and dry
  • Adjust pressure on pump for individualized comfort
  • Pad dimensions: 36" x 80" x 6"
  • Supports up to 350 lbs.
Electrical Power: 115 VAC, 50/60 Hz, 1 A
Maximum Power Consumption: 5 ± 3 W
Circuit Protection: Dual fused, 250 V, 1 A fast blow fuses
Mode of Operation: Continuous
Maximum Flow Rate: 8 ± 4 LPM
Maximum Flow Pressure: 35 ± 5 mmHg
Maximum Flow Timer: 45 minutes
Support Surface Inflation Time: 20 - 45 minutes
Patient Comfort Control Pressures
Soft Pressure: 8 ± 4 mmHg
Firm Pressure: 32 ± 4 mmHg
Cycle Time: 5, 10, 15 or 20 minutes
Operating Conditions
Ambient Temperature: 50°F - 104° F
Relative Humidity: 30% - 75% Non-condensing
Atmospheric Pressure: 70 - 106 kPa
Storage and Shipping Conditions
Ambient Temperature: -40°F - 158° F
Relative Humidity: 10% - 100% Non-condensing
Atmospheric Pressure: 50 -106 kPa
Safety Code Approval: 16 CFR 1632, 16 CFR 1633,
Mattress Size: 80"L x 36"W x 6"H
Power Unit Size: 9"W x 5"H x 5"D
Power Unit Weight: 5 lbs.
Weight Capacity: 350 lbs.
Cover: Waterproof
70 Denier Quilted Nylon
1000 Denier Nylon Bottom
Limited Warranty
Power Unit: 2 years
Mattress: 1 year
Cover: 1 year