For paper delivered by Manly Stallworth for Smithy, ""figure 5 - Showing the valvulotome within the mitral valve. As the instrument is withdrawn, the cutting surfaces are opened and allowed to impinge on the anterior margin of the stenotic valve. Closure of the cutting surfaces causes excision of a portion of the valve which is held within the telescoping mechanism of the instrument.""
For paper delivered by Manly Stallworth for Smithy, ""Figure 4 - Showing the valvulotome being advanced toward the mitral valve. The serrated cutting surfaces of instrument are held closed.""
For paper delivered by Manly Stallworth for Smithy, ""Figure 1 - Introduction of valvulotome into aorta after placing traction ligature around aorta and stay sutures in periaortic fat.""
Photo of sketch by J. Allen Chamberlin, M. D., parts labeled ""umbilicus, vena cava, aorta, celiac axis, superior mesenteric artery, omphalomesenteric artery, small intestine""
Photo of a sketch by J. Allen Chamberlin, M. D., parts labeled, ""Aorta, foregut, omphalomesenteric duct, paired omphalomesenteric arteries, hind gut""
WARNING: Contains graphic footage of surgery. 9:52 minutes. The video is a demonstration of the instrument designed by Dr. Smithy, the valvulotome, and the technique for its use to repair damage to the aorta caused by rheumatic fever.
