Semi-automatic sleeve extension, i.e. in which triggering of the sleeve extension requires

Official title: {Semi-automatic sleeve extension, i.e. in which triggering of the sleeve extension requires a deliberate action by the user, e.g. manual release of spring-biased extension means}

A61M5/3257 (Semi-automatic sleeve extension, i.e. in which triggering of the sleeve extension requires) appears on 632 US grants and 633 published applications in this corpus.