US3623571A - Stethoscope - Google Patents

Stethoscope Download PDF

Info

Publication number
US3623571A
US3623571A US89254A US3623571DA US3623571A US 3623571 A US3623571 A US 3623571A US 89254 A US89254 A US 89254A US 3623571D A US3623571D A US 3623571DA US 3623571 A US3623571 A US 3623571A
Authority
US
United States
Prior art keywords
arm
arms
stethoscope
wall
leg
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 - Lifetime
Application number
US89254A
Other languages
English (en)
Inventor
Alan French
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.)
AVID AIRLINE PRODUCTS Corp
Original Assignee
Avid Corp
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 Avid Corp filed Critical Avid Corp
Application granted granted Critical
Publication of US3623571A publication Critical patent/US3623571A/en
Assigned to AVID AIRLINE PRODUCTS CORPORATION reassignment AVID AIRLINE PRODUCTS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: AVID CORPORATION
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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

Definitions

  • a stethoscope comprising a frame including a pair of arms providing short legs at one end and longer legs at the other end.
  • the longer legs are pivotally connected with a ratchet associated with the pivotal connection to yieldably maintain an adjusted position of the arms.
  • the arms are of plastic and are of an open channel construction provided by a closed U or box cross section.
  • a sound tube of rubber is positioned on the channel of each arm and projects from the end of the short leg with the projecting end carrying an ear piece. The sound tubes enter the channels of the arms at the pivotal connection and there are no sharp or abrupt turns in the tubes from their point of entry to the ear pieces.
  • a stethoscope comprising a frame and sound tubes carried thereby in which the frame consists of two arms sharp turns or bends in the sound tubes.
  • each frame arm 10 and 11 IS provided with a hinge tongue 22 which is integral with the arm and projects from end wall 17 of that arm as shown in FIG 3.
  • Each tongue 22 IS formed passed through aligned openings 23. Its clinched, or spread outwardly, retaining flange 28.
  • Flanges 27 and 28 are spaced apart a
  • Each tube 29 extends through a short leg 13 and projects thereof as shown in lcation in which the peripheral wall In use tubes 29 are positioned in the channels of arms and 11. These arms may be swung into the closed position depicted in FIG. 1 or into the open position of F IG. 2. They also uncomfortable condition.
  • a. a frame comprising a pair of rigid arms
  • each of said arms being of closed U or box cross section defining an open channel having an inner wall, an outer wall and face walls,
  • each arm including a main body, a short leg integral with said body and joined thereto by a bend of long radius, and a long leg integrally joined to said body by a bend of long radius,
  • a hinge tongue integral with each arm and projecting from the end wall of the arm on which it is formed, said tongues being in overlapping relation and formed with aligned openings,
  • a flexible sound tube in the channel of each arm said sound tube passing through the recess in the outer wall of the arm in which it is received, the long leg, bend joining the long leg to the body, the body, the bend joining the body to the short leg, and through the short leg from which it projects, and
  • each sound tube i. an earpiece on the projecting end of each sound tube.
  • abutment means takes the form of a projection on the tongue of one arm which cooperates with a shoulder at the end of the end wall of the other arm.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Acoustics & Sound (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Pipe Accessories (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Toys (AREA)
US89254A 1970-11-13 1970-11-13 Stethoscope Expired - Lifetime US3623571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8925470A 1970-11-13 1970-11-13

Publications (1)

Publication Number Publication Date
US3623571A true US3623571A (en) 1971-11-30

Family

ID=22216580

Family Applications (1)

Application Number Title Priority Date Filing Date
US89254A Expired - Lifetime US3623571A (en) 1970-11-13 1970-11-13 Stethoscope

Country Status (6)

Country Link
US (1) US3623571A (de)
BE (1) BE774092A (de)
DE (1) DE2145743C3 (de)
GB (1) GB1293520A (de)
LU (1) LU64068A1 (de)
NL (1) NL147630B (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3730290A (en) * 1972-08-18 1973-05-01 Avid Corp Stethoscope
US3746124A (en) * 1971-12-21 1973-07-17 R Wilson Adjustable binaural tube assembly
US3899044A (en) * 1974-03-27 1975-08-12 Michaud Inc Music stethoscope
US3934674A (en) * 1974-08-29 1976-01-27 Shore Sidney X Acoustic headsets
US4011925A (en) * 1976-01-23 1977-03-15 Avid Corporation Stethoscope
US4149610A (en) * 1976-09-10 1979-04-17 Instrument Systems Corporation Acoustic headsets
US20110216932A1 (en) * 2010-03-05 2011-09-08 Wu Hsien-Yu Headphone of Convenient Assembly and Package
US8037965B1 (en) * 2010-10-04 2011-10-18 Kerry Swink Stethoscope expander assembly and methods of using same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7804041A (nl) * 1978-04-17 1979-10-19 Philips Nv Stethoscopische oortelefoon.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA690102A (en) * 1964-07-07 Van Den Berg Aart Pivot joint for stethophones
US3547219A (en) * 1969-11-06 1970-12-15 Costas Bothos Headset device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA690102A (en) * 1964-07-07 Van Den Berg Aart Pivot joint for stethophones
US3547219A (en) * 1969-11-06 1970-12-15 Costas Bothos Headset device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746124A (en) * 1971-12-21 1973-07-17 R Wilson Adjustable binaural tube assembly
US3730290A (en) * 1972-08-18 1973-05-01 Avid Corp Stethoscope
US3899044A (en) * 1974-03-27 1975-08-12 Michaud Inc Music stethoscope
US3934674A (en) * 1974-08-29 1976-01-27 Shore Sidney X Acoustic headsets
US4011925A (en) * 1976-01-23 1977-03-15 Avid Corporation Stethoscope
US4149610A (en) * 1976-09-10 1979-04-17 Instrument Systems Corporation Acoustic headsets
US20110216932A1 (en) * 2010-03-05 2011-09-08 Wu Hsien-Yu Headphone of Convenient Assembly and Package
US8275166B2 (en) * 2010-03-05 2012-09-25 Multi-Direction Co., Ltd. Headphone of convenient assembly and package
US8037965B1 (en) * 2010-10-04 2011-10-18 Kerry Swink Stethoscope expander assembly and methods of using same

Also Published As

Publication number Publication date
GB1293520A (en) 1972-10-18
NL7114781A (de) 1972-05-16
NL147630B (nl) 1975-11-17
DE2145743A1 (de) 1972-05-25
DE2145743C3 (de) 1974-08-08
LU64068A1 (de) 1972-04-21
DE2145743B2 (de) 1974-01-24
BE774092A (fr) 1972-02-14

Similar Documents

Publication Publication Date Title
US3623571A (en) Stethoscope
US4022213A (en) Drip urinal
GB2128244A (en) Door hinge device for a repository
US2712201A (en) Whistle for pneumatic toys
US3730290A (en) Stethoscope
US3319736A (en) Reynolds, jr stethoscope
US2028216A (en) Bag frame
US2046612A (en) Dovetail
GB976341A (en) Improvements in or relating to ear-ornament clips
US2494488A (en) Hat holder
US2465985A (en) Noise shield for handsets
GB1368427A (en) Safety hooks
JPH0122512Y2 (de)
US1437317A (en) Musical toy
GB947179A (en) Hair curler
US2045658A (en) Mouthpiece
JPH0393693U (de)
JP1718446S (ja) おしゃぶり用ホルダー
GB1235513A (en) Disposable stethoscope
GB1215730A (en) A fastening device
JP1714314S (ja) バッグ
US2110747A (en) Harmonica tester
US1425547A (en) Sash-cord coupling
JP2580192Y2 (ja) 筆記具
JPS5829661Y2 (ja) キヤビネツト

Legal Events

Date Code Title Description
AS Assignment

Owner name: AVID AIRLINE PRODUCTS CORPORATION; 10 TRIPPS LANE,

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AVID CORPORATION;REEL/FRAME:004118/0728

Effective date: 19811214