Equivalent negative stiffness mechanism using three bundled needles inspired by mosquito for achieving easy insertion.
Seiji AoyagiYutaka TakaokiHiroki TakayanagiChih-hao HuangTakahiro TanakaMasato SuzukiTomokazu TakahashiTsutomu KanzakiTakuya MatsumotoPublished in: IROS (2012)