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Equa Pull Constant Force Headgear is a safety release module used during the wear of Orthodontic Head Gear products, connected to Orthodontic Face Bows. The module is designed to provide pull force for treatment at light (12 ounce) or heavy (24 ounce) levels, and a release point force (60-90 ounces) for patient safety. The devices are for Orthodontic Use Only, on the order of an Orthodontist.

Equa Pull Constant Force Headgear is a safety release module used during the wear of Orthodontic Head Gear products, connected to Orthodontic Face Bows. The module is designed to provide pull force for treatment at light (12 ounce) or heavy (24 ounce) levels, and a release point force (60-90 ounces) for patient safety.

This document is a 510(k) clearance letter from the FDA for the "Equa Pull Constant Force Headgear." It states that the device is substantially equivalent to legally marketed predicate devices. However, this type of document does not contain the information requested in your prompt regarding acceptance criteria, study details, sample sizes, ground truth establishment, or expert qualifications.

The 510(k) clearance process primarily focuses on demonstrating substantial equivalence to a predicate device, rather than requiring extensive clinical trials or detailed performance study reports with the level of detail you've asked for. While a manufacturer might conduct performance testing to support their substantial equivalence claim, the FDA's clearance letter itself typically summarizes the regulatory decision and does not provide these detailed technical specifications of the studies.

Therefore,Based on the provided text, I cannot extract the acceptance criteria or the details of a study proving the device meets those criteria. The document is an FDA 510(k) clearance letter, which confirms substantial equivalence to a predicate device but does not contain the detailed performance study information you've requested.

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