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The device was returned to stryker sustainability solutions for evaluation.The returned complaint device showed signs of clinical use.The shaft and blades had debris present.Inspection of the blades revealed wear.A review of the dhr supports that the device met all inspection and test criteria prior to release from stryker.Therefore, the most likely root causes are: user attempts to cut staples, clips, or non-soft tissue; wear to blades due to clinical use; user expectation of device functionality.The instructions for use (ifu) state: for some clamping instruments, the jaws can be clamped or locked onto tissue using the ratchet on/off switch on the handle.Manipulate the instrument so that the desired tissue is between the jaws or blades of the instruments and press the on position.Do not rotate the ratchet switch.Compress the handles until the jaws are in the desired position.The jaws can be closed or tightened further by compressing the handles again, but the jaws cannot be opened or loosened while the ratchet switch is in the on position; do not directly apply current to staples or clips; instruments were designed for cutting soft tissue.Attempting to cut staples or clips may damage the instrument; if cutting of staples or clips is attempted, damage to instrument may occur.The reported event will continue to be monitored through post-market surveillance.
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