The drain was not returned for evaluation.Based on the details and correspondence with the institution the drain line became disconnected when it was either tripped over or tangled bedside.The drain line to the actual drain has a tensile strength requirement of 15lbs minimum.If this was exceeded during the activities surrounding the line being disconnected it is possible the seal was broken allowing bodily fluid to make its way into the connection.If this were the case, the bodily fluid acts like a lubricant allowing for an easy disconnection of the patient line from the body of the drain.During the manufacture of the drain the tubing is dipped in alcohol and pushed on to the drain connector.Upon drying the tubing creates a tight seal.On average the tensile strength of the drain line to the chest drain connector routinely exceeds over 20lbs of force.The instruction for use state that the following ¿always place chest drain below the patient¿s chest in an upright position.To avoid accidental knock-over, place the unit on the floor or hang it bedside with the hangers provided".Clinical evaluation: the express chest drain is indicated for the evacuation of air and/or fluid from the chest cavity or mediastinum and to help re-establish lung expansion and restore breathing dynamics.A disconnect of the tubing of a chest drain during movement of the patient or during transfer from bed to chair may be the result of someone stepping on the tubing, the tubing becoming stuck under an object or by getting hung up on an object.Diligence and attention is required to protect the chest tube system during patient movement.
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