| 摘要 |
In an artificial respiration apparatus, especially in positive pressure types, it has been found that an extension lead for a respirator alarm system is desirable. This lead will extend beyond the respirator to permit a patient to initiate an alarm when help is needed. The lead is connected to the alarm initiating circuit in the respirator in a manner which makes its connection or disconnection optional with the alarm system in the respirator working in its regular manner when the extension lead is disconnected.
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