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manufacture manufacturer maker producer a patented tunable diaphragm is the hallmark of the low profile Littmann Master Classic II stethoscope. Award winning design combines high performance with portable convenience in this single sided chestpiece. Perhaps the ultimate gift. The Littmann Master classic Gold plated stethoscope features a plated chestpiece and binaurals in 24 ct. gold. The most distinctive appearance of any stethoscope made. The excellent acoustic sensitivity of a patented tunable diaphragm is the hallmark of the low profile Littmann Master Classic II stethoscope. Award winning design combines high performance with portable convenience in this single sided chestpiece. Featuring a two sided chestpiece, this classic stethoscope offers high acoustic sensitivity for superior performance. A patented tunable diaphragm on one side augments the traditional bell function of the opposite side. This two-sided model with traditional bell/diaphragm chestpieces is designed, sized and acoustically precise for small children. The affordable general examination stethoscope with a patented single-sided tunable chestpiece design. The 3M Littmann Select Stethoscope provides good response in both high-frequency and low-frequency ranges. Its reliable and clear acoustics offer an advantage to health care professionals when listening to heart, lung and blood pressure sounds. The durable chestpiece assures long-lasting performance and is protected with a scratch-resistant, satin finish. This two-sided model with traditional bell/diaphragm chestpiece is designed, sized and acoustically precise for infants. The 3M Littmann Lightweight Stethoscope is an affordable stethoscope for health care providers. A solid aluminum chestpiece assures acoustic sensitivity and consistent high-frequency response. A large open bell provides sensitivity to low-frequency soundsA complete teaching stethoscope with dual headsets connected to a single two sided chestpiece, this classic teaching stethoscope offers high acoustic sensitivity for superior performance. A patented tunable diaphragm on one side augments the traditional bell function of the opposite side. Full range performance in a lightweight stethoscope. Comfort sealing eartips and light weight make the Professional the most comfortable stethoscope manufactured today. From blood pressure to measurement to low frequency murmurs, the Spectrum enhances your auscultation capabilities. The Chestpiece is designed for the anatomy of pediatric patient. Diaphragm and bell are sized to fit between intercostal spaces for better auscultation Chestpiece designed for the anatomy of infants and neonates. Diaphragm and bell are sized to fit between intercostal spaces for better auscultation. Featuring styling as well as superior acoustic performance, you will immediately see the difference in the Medallion Stethoscope. Besides the beautiful gift box it comes in, the stethoscope comes with a lifetime warranted, brass-finish chestpiece. It's made of a single-lumen tubing with rotating binaurals and color-coded eartips. It has a single head and comes with replaceable chestpieces. The Medallion combines quality materials, user comfort, and top performance with a new contemporary design. Three interchangeable brass chestpieces (flat diaphragm, corrugated diaphragm, and bell) offer a broad range of auscultation capabilities from the very low pitch (20-100 Hz) of certain heart murmurs to the higher frequencies (100-500 Hz) of aortic and pulmonary insufficiencies. The original Hewlett-Packard Rappaport-Sprague Stethoscope is the top choice of discerning members of the medical profession worldwide. The reason for this enduring appeal - acoustical excellence. The Rappaport-Sprague Stethoscope has been clinically shown to deliver more faint heart sounds and murmurs than other stethoscopes. In addition, while conventional stethoscopes have a tendency to attenuate sounds in the upper frequency range, the versatile Rappaport-Sprague Stethoscope has increased efficiency in this critical area as well. Computer power and auscultation are combined at last in the Meditron Sensor-based Stethoscope. Its unique, patented sensor technology dramatically enhances sound clarity. The Meditron product line is the only stethoscope system that has a special Sound Distributor to aid in educational situations and group listening. Its Analyzer software accessory can store heart sounds and recall them as sound-supported phonocardiography, allowing the practitioner to compare the patient's condition and progress over time. The E-Scope® is intended for general clinical use, medical education, Telemedicine and paramedic use in ambulances and medical helicopters. It amplifies the heart, breath, bowel or Korotkoff sounds without amplifying outside noise. The E-Scope® has maximum amplitude or sound pressure level output of 120 dB without distortion. Additionally, heart or lung sounds are amplified without appreciable amplification of room or background noise. This makes it much easier to hear a low, rumbling murmur or faint AI blows. A frequency switch allows the user to switch between heart and breath sound frequencies. Doctors Research Group Echo Plus Data Link model features dual use modes for either acoustic or amplified operation. The included data link cable and software extends the capability to record sounds and download to a PC via .wav file exports. Features include the patented ENR noise reduction tubing, Gel Seal Eartips, Anti-slip rings and all stainless steel construction. The DRG Echo Plus Digital model features dual use modes for either acoustic or amplifed operation. The stethoscope can record digitally encoded sounds and playback through the headset. Multiple playback speeds can help with the faintest of sounds for diagnosis confimration. Additioanl features inlcude the patented ENR noise reduction tubing, Gel Seal Eartips, Anti-slip rings and all stainless steel construction. The DRG Echo Plus Electronic model features dual use modes for either acoustic or amplifed operation. Additioanl features inlcude the patented ENR noise reduction tubing, Gel Seal Eartips, Anti-slip rings and all stainless steel construction. The DRG Puretone cardiolgy stethoscope features dual lumen high capacity tubing with patented ENR(external noise reduction)tubing. Patented gel-seal eartips and anti-microbial diaphragms covers for bell and diaphragm are included. Chestpiece contructrion is stainless steel. Warranty is 5 years. The DRG Puretone Titanium edition features all the same benefits of the acclaimed Puretone Cardiolgy edition with a 40% reduction in chestpiece weight. Lighter weight means reduced stress on the neck. Stethoscope features ENR tubing, GelSeal Eartips and Anti-slip rings. Warranty is 5 years from date of purchase DRG Puretone Traditional is an excellent general diagnosis stethoscope. It features the patented single lumen ENR (External noise reduction) tubing to reduce background noise. Addtional features include the patented GElseal eartips and anti- slip rings to prevent movement when not in use. Stainless steel chestpiece and patented stethoscoppe covers for bell and diaphragm are included. This item has three year manufactures warranty. DRG Puretone Traditional Titanium Edition is an excellent general diagnosis stethoscope. It features the patented single lumen ENR (External noise reduction) tubing to reduce background noise. Addtional features include the patented GElseal eartips and anti- slip rings to prevent movement when not in use. A solid Titanium milled chestpiece reduces weight by 40% Patented stethoscoppe covers for bell and diaphragm are included. This item has three year manufactures warranty. DRG Puretone Traditional Pediatric is an excellent stethoscope designed for small pediatric patients. The diaphragm is sized at 1.0". It