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  1. 3M™ Littmann® 听诊器
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  3. 为什么选择3M™ Littmann®听诊器？
  4. Littmann博士的发明成果

Littmann博士的发明成果

多年来不断提高听诊技术。
多年来不断提高听诊技术。

1816年，法国医生René Laënnec发明了第一部听诊器，它只是一个卷起的纸管，用来过滤从患者胸部到耳部的声音。直到20世纪60年代初，才由医学博士David Littmann（1906-1981）发明了革命性的新型设计听诊器并获得专利。这种听诊器更轻、更便于携带和使用，而且声学性能大大提高。

在该时间表中，查看Littmann博士的发明成果如何为像您这样的医疗专业人士提供始终如一的高声学性能，以及增强患者的舒适度。

3M™ Littmann®听诊器：发展历史简述

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1979: For Demanding Physicians
cardiology stethoscope

The Cardiology Stethoscope is introduced, featuring improved acoustic performance, and more. Improvements continued over the decades.

1984: More Sounds with Less Hassle
tunable technology

3M™ patents Tunable Technology which enables users to hear high or low frequency sounds without repositioning the stethoscope chestpiece.

1988–2006: The March of Technological Progression
littmann mechanical stethoscopes

Many stethoscopes received upgrades as technology advanced. The Classic II Pediatric, Cardiology III, and Lightweight II S.E. were some of them.

2015: The Next Generation Rises
3m littmann classic iii stethoscope

The 3M™ Littmann® Classic III Stethoscope was introduced, featuring longer-lasting tubing that had improved resistance to skin oils and alcohol.

2016: Advancing the Legacy
littmann stethoscope cardiology iv

3M™ Littmann® Cardiology IV Stethoscopes were introduced during 3M™ Littmann® Stethoscopes’ “50 Years of Listening” anniversary

1967: 3M™ Welcomes a New Partner
littmann stethoscope

In April 1967, 3M™ acquired Dr. Littmann’s company, Cardiosonics. Dr. Littmann would then work as an adviser to help further develop his invention.

查看3M™ Littmann®系列听诊器

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3M™ Littmann® 听诊器

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