Spo2 Outline icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M12.577 19q-.31 0-.54-.23q-.23-.23-.23-.54v-3.845q0-.31.23-.54q.23-.23.54-.23h2.346q.31 0 .54.23q.23.23.23.54v3.846q0 .31-.23.54q-.23.229-.54.229h-2.346Zm.115-.885h2.116V14.5h-2.116v3.615Zm4.5 3.577v-2.365q0-.329.22-.55q.22-.22.55-.22h2.269v-1.365h-3.039v-.884h3.154q.329 0 .55.22q.22.22.22.549v1.596q0 .329-.22.55q-.221.22-.55.22h-2.27v1.365h3.04v.884h-3.924Zm-7.769-.723q-2.806-.215-4.614-2.243Q3 16.698 3 13.8q0-2.154 1.738-4.764T10 3.308q2.512 2.204 4.122 4.204q1.61 2 2.301 3.719h-1.056q-.665-1.44-2.004-3.089Q12.025 6.494 10 4.65Q7.025 7.375 5.513 9.675T4 13.8q0 2.515 1.513 4.232q1.512 1.716 3.91 1.931v1.006Zm.273-7.169Z"/></svg>