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What is Heimlich valve is used for drainage of and explain in detail?
The Heimlich valve(flutter valve)is a small one-way valve used for chest drainage that empties into a flexible collection device & prevents return of gases or fluids into the pleural space.The heimlich valve is less than 13 cm long and facilitates patient ambulation. Reference:SRB's manual of surgery,5th edition,page no:1116.