Date of event: unknown.The date received by manufacturer has been used for this field.Medical device expiration date: unknown.Device manufacture date: unknown.A device evaluation is anticipated, but has not yet begun.Upon completion of the investigation and/or device history review, a supplemental report will be filed.
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Investigation summary: no batch number provided for qn/dhr review.Provided sample had a short shot plunger rod, which made the plunger rod pull out of the stopper.Investigation conclusion: short shots are typically caused in the molding process because of blocked vents, low injection velocity, low mold temps, or low pack pressure.
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