CA943073A - Stethoscopes - Google Patents

Stethoscopes

Info

Publication number
CA943073A
CA943073A CA145,885A CA145885A CA943073A CA 943073 A CA943073 A CA 943073A CA 145885 A CA145885 A CA 145885A CA 943073 A CA943073 A CA 943073A
Authority
CA
Canada
Prior art keywords
stethoscopes
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.)
Expired
Application number
CA145,885A
Other versions
CA145885S (en
Inventor
Roger M. Shacklock
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SSL CC Services Ltd
Original Assignee
Chas F Thackray Ltd
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.)
Filing date
Publication date
Application filed by Chas F Thackray Ltd filed Critical Chas F Thackray Ltd
Application granted granted Critical
Publication of CA943073A publication Critical patent/CA943073A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes
    • A61B7/026—Stethoscopes comprising more than one sound collector
CA145,885A 1971-06-29 1972-06-28 Stethoscopes Expired CA943073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3038871 1971-06-29

Publications (1)

Publication Number Publication Date
CA943073A true CA943073A (en) 1974-03-05

Family

ID=10306892

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,885A Expired CA943073A (en) 1971-06-29 1972-06-28 Stethoscopes

Country Status (5)

Country Link
US (1) US3767003A (en)
AU (1) AU461074B2 (en)
CA (1) CA943073A (en)
FR (1) FR2149073A5 (en)
GB (1) GB1348049A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951230A (en) * 1974-10-03 1976-04-20 Minnesota Mining And Manufacturing Company Multi-sound chamber stethoscope
US4212368A (en) * 1978-03-13 1980-07-15 Allen Derek R Angularly related dual stethoscope head
GB2339537B (en) * 1998-02-23 2002-09-18 Woei-Kang Shieh Stethoscope Structure
CN100462052C (en) * 2006-09-08 2009-02-18 单希杰 Multifunctional stethoscope head
US7516814B1 (en) * 2007-11-09 2009-04-14 Joseph Berk Dual-sensor anti-sepsis stethoscope and device
US7841445B2 (en) * 2007-11-09 2010-11-30 Joseph Berk Dual-sensor stethoscope with electronic sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152659A (en) * 1964-10-13 Littmann
US1708398A (en) * 1929-04-09 Stethoscope
US2505124A (en) * 1950-04-25 Valved stethoscope with logarith
US3035656A (en) * 1962-05-22 Stethoscope
US3109508A (en) * 1960-02-11 1963-11-05 Taylor Instrument Co Acoustic stethoscope

Also Published As

Publication number Publication date
AU4401772A (en) 1974-01-03
GB1348049A (en) 1974-03-13
FR2149073A5 (en) 1973-03-23
AU461074B2 (en) 1975-05-15
US3767003A (en) 1973-10-23

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