ADC ADSCOPE SPRAGUE RAPPAPORT 641 SERIES STETHOSCOPES
ADC ADSCOPE SPRAGUE RAPPAPORT 641 SERIES STETHOSCOPES. The Adscope 641 Sprague series features a threaded chestpiece drum of chrome plated zinc permitting the use of five interchangeable chestpiece fittings - an adult and pediatric diaphragm, and three bells (1-1/4", 1", 3/4") - for complete diagnostic capability on most patients. Latex-free double tube configuration, plus a valve mechanism that eliminates acoustic leakage. 21" tubing length in color-code options.