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William P. Murphy Jr. William Parry Murphy Jr. (November 11, 1923 – November 30, 2023) was an American physician and inventor of medical devices including collaborating on a flexible sealed blood bag used for blood transfusions. He was the son of the American physician William Parry Murphy who shared the Nobel Prize in Physiology for Medicine ...
Small impulse sealer Heat-sealed material lies on a warehouse floor. Notice the corded heat sealer to the left. Heat sealer used to prepare plastic bag of lettuce for shelf life testing Continuous band heat sealer. A heat sealer is a machine used to seal products, packaging, and other thermoplastic materials using heat. This can be with uniform ...
Intraoperative blood salvage (IOS), also known as cell salvage, is a specific type of autologous blood transfusion. Specifically IOS is a medical procedure involving recovering blood lost during surgery and re-infusing it into the patient. It is a major form of autotransfusion. It has been used for many years and gained greater attention over ...
Chest tube clogging can lead to retained blood around the heart and lungs that can contribute to complications and increase mortality. [11] A common complication after thoracic surgery that arises within 30–50% of patients are air leaks. If a chest tube clogs when there is an air leak the patient will develop a pneumothorax.
Blood transfusion is the process of transferring blood products into a person's circulation intravenously. [1] Transfusions are used for various medical conditions to replace lost components of the blood. Early transfusions used whole blood, but modern medical practice commonly uses only components of the blood, such as red blood cells, plasma ...
A welded seam or insertion tube sealing process creates seals that can withstand various types of requirements for certain liquid types or air pressures. An example of this would be for the medical industry, where ensuring the seal is airtight and fluid-tight is crucial. [7] An IV drip bag, showing a RF weld around the perimeter.
Polyvinyl chloride (alternatively: poly (vinyl chloride), [ 6 ][ 7 ] colloquial: vinyl[ 8 ] or polyvinyl; abbreviated: PVC[ 8 ]) is the world's third-most widely produced synthetic polymer of plastic (after polyethylene and polypropylene). About 40 million tons of PVC are produced each year. [ 9 ]
Carl Waldemar Walter (1905 – May 5, 1992) was a surgeon, inventor, and professor at Harvard Medical School. Walter has been called "a pioneer in the transfusion and storage of blood," [ 2] credited with founding one of the world's first blood banks and invention of the first blood collection bag. He was also known for his prolific work in the ...
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