Possible Clues:

• Appliance used to stop bleeding
• Strangely quiet on trip north for emergency treatment
• Bandage that stops the flow of blood from an artery
• Ambulance bandage
• Blood flow stopper
• Our quintet disbands — it is of no bleeding use
• Our quintet needs arrangement for one instrument
• One arresting the flow of blood to vessel, quite tight
• Flow stopper, of a sort
• Device for stopping blood flow