Patent ID: 6244376
Filing Date: 2001-06-12
Classification: A61B

Abstract:
In a stethoscope head (1) for a one-way stethoscope with a funnel-shaped or bell-shaped resonance body (21), which has a peripheral uninterrupted circumferential collar (23) having a base surface (24), wherein a peripheral area of a level circularly-shaped diaphragm (4) is held in an interlocking and frictionally connected manner between the base surface (24) and a clamping surface (91) of a holding ring (9), so that a resonance chamber (22) is enclosed by the diaphragm (4) and the resonance body (2), which is in communication with an air column in a passageway of a hose (7), the improvement comprising: a capsule (3) made of a noise-insulating material completely and in a contactless way surrounding a distal area of the resonance body (2), a passage (31) for the hose (7) is free and a suspension (5) of an elastomeric material forms a movable connection between the capsule (3) and the holding ring (9), fastened on the circumferential collar (23) of the resonance body (2), wherein at least one insulating nipple (6), made of an elastomeric material, is attached to a distal side of the resonance body (2) having a height less than an inside width of the air gap (8).