Stethoscope

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Ingenium, 2002.0845.001
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OBJECT TYPE
non-specific/binaural/Littmann
DATE
1961–1979
ARTIFACT NUMBER
2002.0845.001
MANUFACTURER
Cardiosonics
MODEL
Unknown
LOCATION
Cambridge, Massachusetts, United States of America

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
Bright silver metal [alloy] chest piece and ear tubes; off-white moulded synthetic ear buds; dark brown/black synthetic tubing connects ear pieces to chest piece; opaque synthetic membrane on face of chest piece conducts sound.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
56.0 cm
Width
9.3 cm
Height
3.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Medical Technology
Category
Instruments
Sub-Category
N/A

Manufacturer

AKA
Cardiosonics
Country
United States of America
State/Province
Massachusetts
City
Cambridge

Context

Country
North America
State/Province
Unknown
Period
Presumably used c. 1960s-1970s; possibly also used later.
Canada
Part of a large collection of medical artifacts, archival material & trade literature transferred to CSTM in 2002 from the former History of Medicine Museum, Toronto, ON.
Function
Allows user to hear sounds from within the body. Especially used to listen to heart, pulse & lungs.
Technical
Developed by Dr. David Littmann in 1961, this instrument rapidly became popular: it's simple design remains the basis for most stethoscopes used in medical practice today [2010]. It's open chest piece allows the user to better hear low-pitched sounds; firm tubing has a single lumen bore; it is constructed of the shortest practical overall length; has a spring with precise tension to hold the ear tubes apart; and is lightweight and convenient to carry and use. It was made in two models: the doctor's stethoscope and the nurse's stethoscope. This example was made by Cardiosonics, the small Cambridge, Mass. company which first produced the Littmann stethoscope. [Ref. 2] This example donated to History of Medicine Museum, Toronto by Cardiosonics Corp., for use in1966 exhibit on the history of stethoscopes. Display label caption read in part "Modern light alloy acoustically ideal Littmann Stethoscope" . [Ref. 3]
Area Notes
Unknown

Details

Markings
"LITTMANN STETHOSCOPE/ BY CARDIOSONICS/ PAT. PEND." stamped into back of chest piece. UHN catalogue no. "X966.8" printed by hand in white ink on rim of chest piece.
Missing
Appears complete.
Finish
Bright silver metal chest piece and ear tubes; off-white moulded synthetic ear buds; dark brown/black synthetic tubing connects ear pieces to chest piece; thin opaque synthetic membrane on face of chest piece conducts sound.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Cardiosonics, Stethoscope, circa 1961–1979, Artifact no. 2002.0845, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2002.0845.001/

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