A miniature gas-pressure valve.
D001698:Biomedical Engineering; D006233:Persons with Disabilities; D005740:Gases; D006801:Humans; D008904:Miniaturization; D008962:Models, Theoretical; D055585:Physical Phenomena; D010825:Physics; D011312:Pressure; D019736:Prostheses and Implants / Q000295:instrumentation*
D005740:Gases