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The PureTone Cardiology Series Stethoscopes by Doctor's Research Group (DRG) are Autoclavable and feature the patented features dual lumen ENRT (External Noise Reduction) high capacity tube technology to reduce the amount of external noise while optimizing internal acoustics.

The PureTone Cardiology Series have acoustically superior sound transmission and are an excellent general diagnosis stethoscope with a stainless-steel chestpiece. The Cardiology Stethoscope has both the conventional adult and pediatric-sized diaphragm functionality and the added convenience of a traditional bell. The Cardiology stethoscope has double lumen tubing - if you were to view a cross section of the tubing, you would see two openings.

PureTone Series Stethoscopes are available in 27" length for optimal sound transmission and are equipped with anti-Slip rings designed with increase friction to keep the PureTone stethoscopes in place when wearing around your neck.

Offered to the medical industry by The Doctors Research Group, all PureTone models have the ENR (External Noise Reduction) tube technology, which acts to reduce inadvertent rubbing or patient induced artifact through the stethoscope tubing that may interrupt sensitive cardiac exams. This is made possible by using a special stainless steel spring coil inside a Neoprene tubing material. The steel coil reduces sound attenuation as the pressure waves moves through the tube and the neoprene material blocks exterior ambient sounds from coupling to the tube. The soft, flexible tube will resist cracking and provide outstanding low loss sound transmission for many years.

Further included with the PureTone stethoscope is DRG's patent pending GELsealT eartips for maximum comfort and complete acoustic seal.The liquid filled eartips are designed to conform to the ear for a cushioned grip and designed to form a complete acoustic seal. Made from a soft Glycerin filled rubber shell, the GELSeal ear tips will conform to an individual's unique ear canal shape to seal out exterior sounds.

Each stethoscope comes with the SafeSEAL Antimicrobial Soft Stethoscope Diaphragms by Doctors Research Group with the non-chilling attribute against the patients skin. The DRG stethoscope diaphragms are acoustically sensitive to sound, latex free, non-allergenic and resistant to ripping.

PureTone Cardiology Stethoscope

• Patented dual lumen ENR - External Noise Reduction
• Steel spring coil inside neoprene tube
• Stainless-steel dual-sided chestpiece
• Glycerin filled GELSeal Eartips with soft rubber shell
• SafeSeal (antimicrobial) Diaphragms
• Adult & pediatric-sized diaphragm
• Available in 27 inch length in Black colored tubing