GB783945A - - Google Patents

Info

Publication number
GB783945A
GB783945A GB783945DA GB783945A GB 783945 A GB783945 A GB 783945A GB 783945D A GB783945D A GB 783945DA GB 783945 A GB783945 A GB 783945A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
dec
case
soc
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of GB783945A publication Critical patent/GB783945A/en
Active legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00Instruments for auscultation
    • A61B7/02Stethoscopes

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Headphones And Earphones (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Toys (AREA)

Abstract

783,945. Stethoscopes. SOC. BELGE D'OPTIQUE ET D'INSTRUMENTS DE PRECISION SOC. ANON. Dec. 22, 1955 [Dec. 28, 1954], No. 36750/55. Class 81 (2). A stethoscope comprises a case 1, closed at the bottom by a plane diaphragm 2 made of cellulose acetate, and housing an inertia element 3, floatingly secured to the case by washers 4, 5 and a tubular diaphragm 8. The diaphragm 8 is fixed at its upper end to an adjustable tube 9, the threaded part of which passes through the plug 10 and the rotatable knob 11 and which terminates in a collar 12 for the attachment of the listening tube. The diaphragm 2 is protected and insulated against external sounds by a cylindrical part 14.
GB783945D 1954-12-28 Active GB783945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1049046X 1954-12-28

Publications (1)

Publication Number Publication Date
GB783945A true GB783945A (en)

Family

ID=3892822

Family Applications (1)

Application Number Title Priority Date Filing Date
GB783945D Active GB783945A (en) 1954-12-28

Country Status (5)

Country Link
US (1) US2836255A (en)
BE (1) BE534484A (en)
DE (1) DE1049046B (en)
FR (1) FR1120278A (en)
GB (1) GB783945A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998051221A1 (en) * 1997-05-13 1998-11-19 Artemio Granzotto Stethoscope head

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2021107209A4 (en) * 2020-11-13 2021-12-09 Stylascope Holdings Pty Ltd Stethoscope

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2095247A (en) * 1937-10-12 Stethoscope
GB619640A (en) * 1900-01-01
GB657354A (en) * 1900-01-01
US2363686A (en) * 1943-10-29 1944-11-28 Harry F. Olson Acoustic Stethoscope
GB756514A (en) * 1953-08-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998051221A1 (en) * 1997-05-13 1998-11-19 Artemio Granzotto Stethoscope head

Also Published As

Publication number Publication date
BE534484A (en)
US2836255A (en) 1958-05-27
FR1120278A (en)
DE1049046B (en) 1959-01-22

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