| 摘要 |
<p>Pressure adjustment valve for circuits for the manual administration of gas mixtures in the medical field, including a body (2) that can be interposed on the circuit of a manual respiration unit and has an intake port (3) and a discharge port (4). Inside the body (2) there is provided an adjustment valve (10,21) that can be positioned so as to vary the useful passage section of the gas stream in order to modify the resistance opposed by the adjustment valve (10,21) to the gas stream. <IMAGE></p> |
