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- Advanced Tunable Diaphragm Technology: Invented by 3M Health Care and powered by Solventum, the single-piece tunable diaphragms let you hear varying frequencies without turning the chestpiece over. Apply light pressure to catch low-frequency murmurs, or press firmly to hear higher-frequency heart and lung sounds.
- Superior Isolation of Subtle Sounds: Engineered to capture faint anomalies that lower-tier stethoscopes miss, the Cardiology IV easily isolates diagnostic markers like aortic stenosis, S3 gallop rhythms, and early-stage pulmonary friction rubs.
- Versatile Dual-Sided Chestpiece: Designed to treat diverse patient groups, the adult side offers maximum acoustic capture, while the pediatric side is perfect for small or thin patients. The pediatric side easily converts into a traditional open bell by replacing the single-piece diaphragm with the included non-chill sleeve.
- Next-Generation Double-Lumen Tubing: Built with dual sound pathways inside a single tube, this specialized binaural construction eliminates the distracting internal rubbing noises common in traditional twin-tube stethoscopes.
- Ergonomic and Resilient Build: The aerospace aluminum headset easily adjusts to fit individual facial structures. The next-generation tubing retains its shape and flexibility over years of rigorous clinical wear, remaining highly resistant to skin oils, alcohol wipes, and localized staining.
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- Product Name: Solventum 3M Littmann Cardiology IV Diagnostic Stethoscope
- Acoustic Performance Rating: 9 out of 10
- Chestpiece Material: Precision-machined Stainless Steel
- Diaphragm Types: Two, single-piece tunable diaphragms (Adult: 4.3 cm, Pediatric: 3.4 cm)
- Tubing Design: Double-Lumen Binaural Construction
- Overall Product Weight: 0.177 kg (177 grams)
- Overall Product Length: 69 cm (27.17 inches)
- Manufacturer Warranty: 7-Year Limited Warranty
To maintain optimal acoustic performance, regularly clean the stethoscope by wiping it down with 70% isopropyl alcohol wipes. Do not submerge the headset or chestpiece in liquids, and protect the tubing from extreme heat or prolonged sub-zero freezing. Ensure the snap-tight, soft-sealing eartips are securely clicked onto the headset arms to keep a tightly sealed acoustic environment inside the ear canal.
3M Health Care spun off into a completely independent global healthcare corporation named Solventum. The exact same premium quality, US-based manufacturing, and patented Littmann acoustic engineering remain unchanged under the Solventum brand banner.
Yes. If you prefer a traditional open bell for low-frequency tracking, simply remove the pediatric diaphragm assembly and replace it with the non-chill rubber bell sleeve included inside the packaging.
No. The next-generation double-lumen tubing is entirely latex-free and formulated without phthalate plasticizers to safeguard sensitive medical staff and patients from severe skin allergies.















Pharmacist B. –
Finally, I get a genuine Littman stethoscope in Abuja. Thank you qpHealthcare, I will purchase more sets.
Dr A –
Yes Oh, value for money. 👍