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What Does 47 Years of Experience Mean to You?
The Right Electric Home Care Equipment.
PressureGuard® APM
Cover
The bacteriostatic top fabric is fire resistant, fluidproof, tear
resistant, cleanable, and replaceable. The pleated design allows
full integration with the mattress’s Geo-Matt style shear-relieving
surface while minimizing hammocking.
Foam Topper
The patented Geo-Matt® style foam topper is a high density, medical
grade foam. The unique geometric design consists of over 800
individual cells, each of which acts individually to redistribute
pressure, to reduce heat and moisture buildup on the skin, and to
reduce shear to underlying tissues. This foam topper is 2" in height
and includes the unique Heel Slope™ feature, designed to further
reduce pressure for the sensitive heel area.
Safety Edge™ Bolsters
The patented Safety Edge™ consists of a firm 2-part foam bolster
whose inner edge contours under pressure to direct the patient
towards the center of the mattress. This adds to patient stability
in sitting and lying down, and helps prevent falls and entrapment
between the siderail and the mattress.
Air Cylinders
The inflation system consists of four urethane air cylinders that
run head to foot underneath the body and the foam topper. These
cylinders perform the alternating pressure therapy, Cylinders
inflate and deflate in a fixed 10-minute cycle. Inflation levels are
designed to provide and maintain low interface pressures throughout
the mattress, and to redistribute peak interface pressure points
during the alternating cycle.
Control Unit
Comfort Dial on the Control Unit changes pressures inside the
cylinders within a small but perceptible range. This gives the
patient some control over firmness, without compromising pressure
redistribution or causing bottoming out.
Alternating Pressure Air Therapy
Unlike other alternating pressure mattresses, the PressureGuard APM won't create extreme pressure gradients between inflated and deflated cylinders.
On top, the Geo-Matt anti-shearing surface forms a comfortable,
therapeutic interface between the air system and the user. It absorbs
and smoothes sharp pressure drop-offs that other surfaces can't, while
the air system does the "heavy lifting" below, alternating weightbearing
across the surface in ten-minute cycles. Other standard PressureGuard
features include the exclusive Heel Slope taper, and two-part
Safety-Edge bolster system for added stability when sitting or
transferring.
Weight limit: 350 lbs.
Mattress weight: 20 lbs.
Pump: 5.25 lbs. UL listed.
Warranty: 18 months non-prorated.
The PressureGuard® APM is recognized for reimbursement under Medicare
Code: E0277.
The Science Behind the Geo-Matt Design
 This patented
support surface design was developed by Span-America in the
late 1980’s in conjunction with Dr. Thomas Krouskop of the
Baylor School of Medicine. Computer-guided equipment is
used to cut foam into a geometric pattern of supportive
cubes that are undercut with an open channel.
Unlike flat or convoluted ("eggcrate") foam, these
individual cubes allow the surface to conform to the body
and accommodate bony prominences, redistributing
pressure across the support surface.
This minimizes the pulling of the skin and tissue over bony
prominences, thereby offsetting the harmful effects of
shearing forces.
The “Ring of Air” helps to disperse heat and
moisture away from the body and out into
the atmosphere. The channel also assists in pressure
management by providing, in effect, a layer of air
between two layers of foam to enhance conformance of the
foam to the body.
Does it work? In a two-year independent study*,
83 patients at risk for, or with, pressure ulcers were
randomized to either the Geo-Matt or an air-suspension
bed. Results: an analysis of covariance revealed no
statistically significant difference in the
prevention or healing of any stage pressure ulcer with
respect to type of support surface used.
Based on its clinical efficacy as an overlay
surface, Span-America has incorporated the design
into the surface of the majority of its mattress,
seat cushion, and patient positioning products.
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The Science Behind the Heel Slope for heel protection
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Heels are the second most common site for pressure ulcers,
second only to the sacrum. By virtue of its thinly padded
surface, relatively poor blood supply, and difficult anatomical
design for offloading, the heel is especially vulnerable to
tissue damage. Heel ulcers are also difficult to
 heal,
due to these same reasons.
In order to help to reduce the incidence of heel breakdown, all
Geo-Mattress and PressureGuard products are designed with a Heel
Slope. The foot end of the mattress slopes down to increase
load on the calves and to decrease load on the heels. On
average, heel pressures are reduced by about 27% with this
design compared to flat designs.
 A
flat surface does not conform to the shape of
the lower leg, especially behind the Achilles tendon.
Result: The heel must bear excess load, and
skin will break down more easily.
 The
Heel Slope slightly lowers the heel, allowing
hte mattress to fill in the space behind the Achilles tendon.
Result: Pressure is distributed over the
entire lower leg, reducing pressure on the heel.
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Science Behind Safety Edge
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The PressureGuard Safety Edge helps to prevent falls and
bed rail entrapment.
 
The Safety Edge is a two-part bolster system surrounding the air
tubes on all PressureGuard products. When the user rolls toward
or sits on the edge of the mattress, the inner of the two parts
bends in toward the center o fthe mattress, while the outer part
resists compression.
Standard, fully air-filled mattresses collapse as the patient
rolls toward the edge, directing the patient into the siderails
or onto the floor.
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Surfaces Selection Guide (pdf)
Sizes and Catalog Page
Product Literature
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