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The VoiceBak immediately restores speech to laryngectomees who are unable to learn esophageal speech or other forms of vocal communication.
The cardiac allograft has a far superior clinical record than the mechanical device or artificial heart. Further efforts in two-staged cardiac replacement are encouraged using, initially, an orthotopic total replacement of the nonfunctioning heart and, later, substitution by a cardiac allograft....
Bioelectric impedance as a sensitive noninvasive technique for detecting and monitoring changes in compartmental body fluid volume was used to compare the efficacy of two hemostatic agents in controlling postoperative abdominal bleeding following surgically induced solid viscera injury. Gelatin...
Dextran 70 infusion into dogs prevents platelet adhesion to extracorporeal surfaces as effectively as direct coating of the surfaces with albumin. This is demonstrated by two experimental approaches. One of these involves a detailed analysis in 14 mongrel dogs of the effects of hemoperfusion on...
Anodic polarization measurements of Dispersalloy amalgam in Ringer's solution have shown that its electrochemical behavior is significantly altered by the aging of the alloy at room temperature. Amalgams fabricated from aged alloy are characterized by polarization profiles associated with the...
Coronary atherosclerosis is discussed from the standpoint of natural history and survival. The operative treatment for ischemic heart disease is reviewed beginning with the advent of the venous autograft to the most recent advance, the internal mammary artery graft. Comparative survival between...
Seven commercial composite filling materials were studied as regards 1) differences in their ability to take a smooth polish as measured by an electronic roughness gauge and 2) their relative loss in smoothness due to toothbrushing. A series of test formulations indicated that polishability and...
A major problem in improving artificial heart designs is the absence of methods for accurate in vitro testing of artificial heart systems. A mock circulatory system has been constructed which hydraulically simulates the systemic and pulmonary circulations of the normal human. The device is...
Cathodic, linear anodic, and anodic polarization studies conducted on three commercial dental amalgams, Caulk Fine Cut Alloy, Spheralloy, and Dispersalloy, showed that all amalgams were in a passive state at the corrosion potential in synthetic saliva solution. The corrosion currents at the...
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