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A typical cuffed endotracheal tube, constructed of polyvinyl chloride A Carlens double-lumen endotracheal tube, commonly used for thoracic surgical operations such as VATS lobectomy Most endotracheal tubes today are constructed of polyvinyl chloride , but specialty tubes constructed of silicone rubber , latex rubber , or stainless steel are ...
Single-lumen tracheostomy tubes do not have a removable inner cannula, suitable for narrower airways. Cuffed tracheostomy tubes have inflatable balloons at the end of the tube to secure them in place. A tracheostomy tube may be fenestrated with one or several holes to let air through the larynx, allowing speech. [7]
Shiley may refer to: Bjork–Shiley valve, mechanical heart valve prosthesis; Donald Shiley, one of the co-inventors of Pfizer's Bjork-Shiley heart valve; Jean Shiley (1911–1998), former American high jumper; Shiley tube, a cuffed tracheostomy tube
Björk–Shiley valve, as depicted in patent #US003824629. The Björk–Shiley valve is a mechanical artificial heart valve. The valve was co-invented by American engineer Donald Shiley and Swedish heart surgeon Viking Björk. Beginning in 1971, it has been used to replace aortic valves and mitral valves. It was the first successful tilting ...
In 1968, he collaborated with American engineer Donald Shiley to develop the Björk–Shiley valve, a mechanical prosthetic heart valve. It was the first "tilting disc valve", used to replace the aortic or mitral valve. Many modifications followed, including the convexo-concave valve. The convexo-concave valve had defects in form of strut ...
Shiley began working at Edwards Laboratories, located in Orange County, California, south of Los Angeles, the first manufacturer of artificial heart-valves. [2] Later he established his own company, Shiley Laboratories, in the same area. His first valve was developed together with the American heart-surgeon Kay, and was the first disc heart-valve.
Chronic catheters contain a dacron cuff that is tunneled beneath the skin approximately 3–8 cm. The tunnel is thought to add a barrier to infection. The most popular dialysis catheter sold on the market today is the Symmetrical-Tip dialysis catheter. This catheter is in the form spiral Z shape.
A surgical drape is a sterile sheet used to create a sterile field during surgical procedures with the purpose of preventing the spread of infection from non-sterile to sterile areas and protecting the patient from contamination.