| 摘要 |
A sanitary stethoscope which prevents carrying potentially infectious matter from one patient to the next comprises a modified stethoscope head or diaphragm-retaining ring and a quick-insert/quick-release replaceable diaphragm. The diaphragm is suitably held in place on the stethoscope by means of a projection on the diaphragm surface which fits into a groove on the stethoscope head or diaphragm-retaining ring, preferably with provision for magnetic attraction. Means for facilitating easy exchange of diaphragms comprise specially designed diaphragm dispensers and diaphragm storage containers or cartridges. The diaphragm dispensers may be heated to maintain the diaphragms at a temperature comfortable to the touch.
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