Measuring for the Xerosox® Waterproof Cast Cover
Step 1: Measuring Limb Circumference
Arm: Measure the circumference of the arm roughly 2 inches above (proximal to) the cast or bandage. If the end of the cast is very close to the elbow, measure mid upper arm (around the bicep).
Leg: Measure the circumference of the leg just above the cast or bandage. If the end of the cast is very close to the knee, measure mid thigh.
Please note: Do not measure around the cast but around the bare arm or leg as shown in Figure 1.
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Step 2: Measure Length
Arm: Measure from the tip of the middle finger to where the circumference was measured in step 1.
Leg: Measure from the back of the heel to where the circumference was measured. For younger children the full arm and full leg Xerosox® offer the best fit; measure from the mid bicep or mid thigh. Don't worry if the Xerosox® is longer than it needs to be. Move the extra length to the middle of the limb, the excess material will shrink in on itself when the vacuum is created.
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Step 3: Use Size Charts
Using the size charts select the Xerosox® size that is right for you or your patient. The circumference is more important than the length because it is critical for a good seal.
*Note the half arms and half legs are not normally used for children. Pediatric patients almost always use full arm or leg Xerosox®.
Model Name |
Opening Size |
Length |
X-Small Arm (A16413 01) |
6 - 7" |
15" |
Small Arm (A16413 02) |
7 - 9" |
21" |
Medium Arm (A16413 03) |
9 - 10" |
26" |
Large Arm (A16413 04) |
10+" |
28.5" |
Small Half Arm (A16413 05) |
7.5 - 9.5" |
16.5" |
Large Half Arm (A16413 06) |
9.5+" |
18.5" |
X-Small Leg (A16413 07) |
7.5 - 11" |
19" |
Small Leg (A16413 08) |
14 - 16.5" |
29" |
Medium Leg (A16413 09) |
16.5 - 21" |
33" |
Large Leg (A16413 10) |
21+" |
37" |
Sm. Half Leg (A16413 11) |
10 - 13" |
21" |
Lg. Half Leg (A16413 12) |
113+" |
23.5" |