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Apparatus for perfusao of solutions cardiogenicas and similar applications during cardiac surgery and pump peristaltica
Apparatus for perfusao of solutions cardiogenicas and similar applications during cardiac surgery and pump peristaltica
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机译:心源性溶液的灌注设备以及在心脏手术和蠕动泵期间的类似应用
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摘要
An apparatus for the perfusion of cardioplegic solutions and related applications during heart surgery, suitable of handling both crystalloid and sanguineous solutions. The sanguineous type is prepared with a peristaltic pump (11) that features two pairs of rollers. The cardioplegic solution is fed to an heat exchanger (1) where the temperature is regulated to values between 4 DEG C and 37 DEG C by circulating a heat transfer fluid at a controlled temperature. The solution is sucked by a second peristaltic pump (14), passed through a filter (15a) and made available to the surgeon for the perfusion to the patient. Filter means (15), pressure and flow rate control means (19, 23) for the solution are provided. The exchanger (1) is disposable, as also are the various tubes (3, 5) and fittings used in preparing and perfusing the sanguineous solution. With the entire apparatus trolley-mounted and transportable, the perfusionist can prepare and distribute either type of solution without utilizing any auxiliary equipment or accessories.
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