US 2003/0192736 A1 · Dual passage binaural stethoscope

Abstract

The stethoscope has a chest piece and two earpieces and two continuous passages, one from each earpiece to the chest piece. The passages may be in separate tubes which may be connected side-by-side over a portion of their lengths or the passages may be in a single part called a passage member which is bifurcated to allow one passage to go to each earpiece. The earpieces and portions of the tubes or passage member are attached by a leaf spring which positions the earpieces relative to each other.

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Drawings

Claims5

Dependent claims

A dual passage, binaural stethoscope, said stethoscope comprising:

a chest piece,
at least one passage member having first and second ends and first and second passages, each of which extends from said first end to said second end, thus having first and second passage ends,
a leaf spring having first and second spring ends and
first and second earpieces,
said first earpiece being connected to said first end of said first passage,
said second earpiece being connected to said first end of said second passage,
said first earpiece and said first end of said first passage being attached to said first spring end and said second earpiece and said first end of said second passage being connected to said second spring end,
said second ends of said first and second passages being connected to said chest piece.

5 more elements

Dependencies are inferred from the claim text.

Description1,199 words

Summary531 words

#1. Field

#The subject invention is in the field of equipment and apparatus for transmission of acoustic energy (sound) from a specific source to both of a user's ears. More specifically, it is in the field of such equipment and apparatus in which the transmission is pneumatic (i.e. air passages). Well known apparatus in this specific field includes the headsets used in the sound systems on commercial aircraft and stethoscopes.

#2. Prior Art

Brief description of the drawings7 figures

#FIG. 1 is a general view of one embodiment of the subject stethoscope.

#FIG. 2 is an exploded view of the subject stethoscope.

#FIG. 3 is a section taken at 3-3 in FIG. 1.

Detailed description576 words

#The subject invention is a dual passage, binaural stethoscope. FIG. 1 is a general view of one embodiment of the subject stethoscope 10. It comprises passage member 11, earpiece adaptors 12 and 13, earpieces 14 and 15, chest piece 16, spring 17 and integrating parts 18 and 19. These parts physically interconnect the spring and passage member. The spring and passage member may be further integrated by adhesive and/or mechanical connection using clips, clip 20 being typical. Parts 18 and 19 may be one part, molded in place. If not, they are held in place by adhesive. The passage member is bifurcated and has a non-bifurcated portion 11a and bifurcated portions 23 and 24 Spring 17 has two arms, 25 and 26.

#FIG. 2 is an exploded view of the stethoscope, with parts numbered as in FIG. 1.

#FIG. 3 is a section taken at 3-3 in FIG. 1, showing passages 21 and 22 molded into the passage member. In an alternate embodiment there are two passage members which are separate tubes. In another embodiment the tubes may be held side-by-side for a portion of their lengths by a covering providing a bifurcated passage member having a non-bifurcated portion and two bifurcated portions.

Dual passage binaural stethoscope

Life of this patent

Dual passage binaural stethoscope

Life of this patent

Life of this patent

Abstract

Drawings

Drawings

Claims5

Description1,199 words

Drawings

Classification2 codes

Life of this patent

Description1,199 words