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  2. Heart valve repair - Wikipedia

    en.wikipedia.org/wiki/Heart_valve_repair

    Mitral valve repair is mainly used to treat stenosis (narrowing) or regurgitation (leakage) of the mitral valve. [citation needed] A mitral balloon valvuloplasty enlarges the valve opening to allow greater oxygenated blood flow into the left ventricle, and since severe mitral regurgitation can be a major complication, degrees of stenosis, regurgitation, and valve anatomical features are taken ...

  3. The House of Breath - Wikipedia

    en.wikipedia.org/wiki/The_House_of_Breath

    Goyen began to sketch parts of the novel during World War II, when he served on the aircraft carrier USS Casablanca. [1] [2] After the war he and Navy friend Walter Berns moved to Taos, New Mexico, where they lived near benefactor Frieda Lawrence (widow of D.H. Lawrence) to pursue writing. [3]

  4. Diaphragm valve - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_valve

    Diaphragm valves can be controlled by various types of actuators e.g. manual, pneumatic, hydraulic, electric etc. The most common diaphragm valves use pneumatic actuators; in this type of valve, air pressure is applied through a pilot valve into the actuator which in turn raises the diaphragm and opens the valve. This type of valve is one of ...

  5. Pulse duplicator - Wikipedia

    en.wikipedia.org/wiki/Pulse_duplicator

    A pulse duplicator replicates parts of the circulatory system. Many pulse duplicators model only half the heart, commonly the left atrium and ventricle, in order to test the mitral and aortic valves. A common design to model the heart uses a piston to simulate the contraction and expansion of the heart.

  6. Repair kit - Wikipedia

    en.wikipedia.org/wiki/Repair_kit

    A repair kit or service kit is a set of items used to repair a device, commonly comprising both tools and spare parts. Many kits are designed for vehicles, such as cars, boats, airplanes, motorbikes, and bicycles, and may be kept with the vehicle in order to make on-the-spot repairs.

  7. Aortic valve repair - Wikipedia

    en.wikipedia.org/wiki/Aortic_valve_repair

    Aortic valve repair or aortic valve reconstruction is the reconstruction of both form and function of a dysfunctional aortic valve. Most frequently it is used for the treatment of aortic regurgitation. [1] It can also become necessary for the treatment of aortic aneurysm, less frequently for congenital aortic stenosis.

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