Show MECHANICAL HEART KEEPS ANIMAL ALIVE Machine M Age efficiency has scored another triumph A man made mechanical hC heart has been successfully substituted for a living animals animal's own heart The revel tion was m made during a demonstration directed by Dr Maurice L. L Tainter of the department department depart depart- ment of pharmacology of the Stanford Stan Start ford university medical school Dr Tainter substituted a mechanical mechanical ical heart of his own construction in ina 3 a living animal before the Society for Experimental Biology keeping the animal used In the experiment alive for hours In describing the use of the mechanical mechanical me me- heart Dr P P. J J. Hanzlik head of the pharmacology department sai said i After the substitution of the mechanical mechanical mechanical me me- heart for the animals animal's heart the blood continued to pulse through the body The blood pressure remained nor nor- mal By showing responses to narcotics narcotics nar nar- it enabled us to study their effects The animal lived for hours The device has been used In study ing fag the reaction of blood jn In n living Jiving animals by Dr Floyd De DC Eds of the United St States department of agriculture agriculture agriculture agri agri- culture who has been experimenting at the Stanford pharmacology depart depart- ment |