DE3909674C2 - Doppelstethoskop - Google Patents

Doppelstethoskop

Info

Publication number
DE3909674C2
DE3909674C2 DE19893909674 DE3909674A DE3909674C2 DE 3909674 C2 DE3909674 C2 DE 3909674C2 DE 19893909674 DE19893909674 DE 19893909674 DE 3909674 A DE3909674 A DE 3909674A DE 3909674 C2 DE3909674 C2 DE 3909674C2
Authority
DE
Germany
Prior art keywords
membrane
sound
funnel
receiving chambers
stethoscope
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 - Fee Related
Application number
DE19893909674
Other languages
German (de)
English (en)
Other versions
DE3909674A1 (de
Inventor
Shigeru Kazama
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE3909674A1 publication Critical patent/DE3909674A1/de
Application granted granted Critical
Publication of DE3909674C2 publication Critical patent/DE3909674C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Headphones And Earphones (AREA)
DE19893909674 1988-06-28 1989-03-23 Doppelstethoskop Expired - Fee Related DE3909674C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8454288U JPH026010U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-06-28 1988-06-28

Publications (2)

Publication Number Publication Date
DE3909674A1 DE3909674A1 (de) 1990-01-04
DE3909674C2 true DE3909674C2 (de) 1996-03-07

Family

ID=13833537

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893909674 Expired - Fee Related DE3909674C2 (de) 1988-06-28 1989-03-23 Doppelstethoskop

Country Status (3)

Country Link
JP (1) JPH026010U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3909674C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2219944A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49139036U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-04-02 1974-11-29
US5530212A (en) * 1995-05-12 1996-06-25 Baffoni; Frank A. Multiple phase stethoscope
US6219424B1 (en) * 1998-05-04 2001-04-17 Hunter Area Health Service Electronic stereophonic amplifier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316998A (en) * 1967-05-02 Indexable rotating joint for stethoscope
JPS4120145Y1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1964-09-02 1966-09-22
DE1267378B (de) * 1965-07-13 1968-05-02 Dr Bruno Guenther Phonendoskop zur selektiven und/oder stereophonischen Auskultation
HU163008B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-02-10 1973-05-28
DE2309416C3 (de) * 1973-02-24 1978-08-03 Speidel + Keller Gmbh + Co Kg, 7455 Jungingen Umschaltbares Stethoskop-Doppelbruststück
US3938615A (en) * 1974-07-11 1976-02-17 Jacob Bodenger Stethoscope consisting of a stethoscope chest piece and a sound mixer
DE8504877U1 (de) * 1985-02-21 1986-02-06 Wilhelm Haselmeier Gmbh & Co, 7000 Stuttgart Doppelschlauchstethoskop
JPH0515290Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1985-05-31 1993-04-22

Also Published As

Publication number Publication date
JPH026010U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-16
GB8904130D0 (en) 1989-04-05
GB2219944A (en) 1989-12-28
DE3909674A1 (de) 1990-01-04

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: A. HANSMANN UND KOLLEGEN, 81369 MUENCHEN

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee