| 摘要 |
<p>A tracheostomy instrument may include an ultrasound transducer 10 connected to provide an image on a display 2 of the location of the trachea and of blood vessels in the vicinity. The transducer 10 is removably attached to a marker device 11 having a spring-loaded needle 26 that can be released by actuating a catch button 43 when the location of the trachea has been identified, so as to mark the skin.</p> |
