The DiskCover System

The Clinician's Third Hand

The Stethoscope

Just like a clinician’s hands, stethoscope diaphragms can, and DO, harbor dangerous contaminants and organisms. Coming into direct contact with patients often, it is for these reasons it is called “The Clinician’s Third Hand.”

The Stethoscope Diaphragm carries the same volume and diversity of pathogens as the Hand1

RELATION BETWEEN DIAPHRAGM AND FINGERTIP CONTAMINATION 1

Both Stethoscopes & Physicians’ Hands Are Significantly Contaminated After A Physical Examination1

Study: 489 sample surfaces
Conclusion: Stethoscope contamination is “substantial after a single physical examination and comparable to contamination” of the physician’s hand.

DiskCover hand stetho contamination V2a 2
Stethoscope head

“Transmission of pathogens… by stethoscopes could undermine the benefits of hand hygiene programs” 2

Stethoscope line
240405 Didier Pittet Quote v3

The Clinician’s Third Hand: 

Contaminated Stethoscopes Are Common And Pose A Significant Safety Risk

Stethoscope Cleaning
Standard Of Care

stopwatch 60sec 1
  • • 1-minute with alcohol wipe
  • • Seldom performed
  • • Ineffective against resistant pathogens
  • • Surfaces often remain contaminated

Imagine doing this for 60s between every patient...

CLINICANS RARELY CLEAN THEIR STETHOSCOPES

Less than 4% of stethoscopes are cleaned between patients per CDC guidelines 3

STETHOSCOPE COMPLIANCE
WITH CDC GUIDELINES

Lessthan4

PATHOGENS FREQUENTLY PERSIST AFTER CLEANING

Stethoscope contamination is reduced but not eliminated after cleaning 4

BACTERIAL CONTAMINATION
PRE-AND POST-PRACTITIONER CLEANING

CleanZone

Shared (Disposable) Stethoscopes Reduce Sound Quality and May Contaminate Staff and Patients 5

“Practitioner and patient room stethoscopes are colonized with nosocomial pathogens, and cleaning reduces but doesn’t always eliminate contamination.” 6

NEJM Journal Watch, January 7, 2019

6I1A0783
DiskCover Primary Logo R Color 4

The First and Only Touch-Free Stethoscope Barrier Dispensing System

Learn More
The First and Only Touch-Free Stethoscope Barrier Dispensing System​

References

1. Longtin Y, Schneider A, Tschopp C, et al. Contamination of stethoscopes and physicians’ hands after a physical examination. Mayo Clin Proc. 2014;89(3):291-299. doi:10.1016/j.mayocp.2013.11.016

2. Dressler RL, Cruser B, Dressler DD. Hospital Physicians’ Stethoscopes: Bacterial Contamination After a Simple Cleaning Protocol. Cureus. 2023;15(4):e37061. Published 2023 Apr 3. doi:10.7759/cureus.37061

3. Boulée D, Kalra S, Haddock A, Johnson TD, Peacock WF. Contemporary stethoscope cleaning practices: What we haven’t learned in 150 years. Am J Infect Control. 2019;47(3):238-242. doi:10.1016/j.ajic.2018.08.005

4. Knecht VR, McGinniss JE, Shankar HM, et al. Molecular analysis of bacterial contamination on stethoscopes in an intensive care unit. Infect Control Hosp Epidemiol. 2019;40(2):171-177. doi:10.1017/ice.2018.319

5. Marinella MA. COVID-19 pandemic and the stethoscope: Do not forget to sanitize. Heart Lung. 2020;49(4):350. doi:10.1016/j.hrtlng.2020.03.017

6. Ellison RT III. NEJM Journal Watch. Jan 7, 2019. https://www.jwatch.org/na48156/2019/01/07/stethoscope-contamination. Accessed June 23, 2020.

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