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Transcatheter pulmonary valve replacement (TPVR), also known as percutaneous pulmonary valve implantation (PPVI), is the replacement of the pulmonary valve via catheterization through a vein. It is a significantly less invasive procedure in comparison to open heart surgery and is commonly used to treat conditions such as pulmonary atresia .
Heimlich valve: The flutter valve functions by allowing only outwards airflow from the body of the patient. Photo depicting a Heimlich valve. The construction of the flutter valve enables it to function as a one-way valve allowing airflow, or the flow of a fluid, in only one direction along the drainage tube.
Air admittance valves (AAVs, or commonly referred to in the UK as Durgo valves and in the US as Studor vents and Sure-Vent®) are negative-pressure-activated, one-way mechanical valves, used in a plumbing or drainage venting system to eliminate the need for conventional pipe venting and roof penetrations.
Some of the hottest fashion trends right now include knee-high boots, barn jackets, denim shirts (denim anything, actually) and slouchy handbags, mainly the Coach Brooklyn Bag.The leather shoulder ...
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WEST LAFAYETTE, Ind. (AP) — Braden Smith had 34 points and 12 assists Sunday night to lift No. 21 Purdue to an 83-64 victory over Toledo. Smith sank 12 of 22 shots, including 6 of 13 from 3 ...
Winning the lottery is incredibly rare, but someone has to win. If you’re one of the lucky ones, the financial windfall can be life-changing. But winning the lottery isn’t an instant ticket to ...
The Dunlop valve, (also called a Woods valve, an English valve or a Blitz valve [1]) is a type of pneumatic valve stem in use—mostly on inner tubes of bicycles—in many countries, including Japan, [2] Korea, India, Pakistan, Sri Lanka, most European countries, and a number of developing countries.