Results: eval of the returned bed canopy found the left side window zipper slider pull tab had broken free and the "ring" that connects the pull tab to the quick release buckle had been looped through the crown of the slider where the pull tab should connect.The slider body was found to be open and out of mfg specifications, which would contribute to preventing the slider from properly engaging the zipper teeth.Additionally, the pull tab and crown of the head side leg zipper were missing.The canopy itself was found to be in good condition and well maintained.The cause of the open slider body and missing pull tab is likely excessive force being applied to the pull tab.The force required to cause this type of slider body to open is approximately the same as the force required to pull off the pull tab.The observed "looping" of the ring through the slider crown is an unauthorized modification of the device.Posey warns that unauthorized repairs increase the risk of product failure, and that use of an unrepaired canopy may result in serious injury to the pt or caregiver.(b)(4).
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