| abstract |
A medical device (100), comprising a seat (102) or a housing (118), the seat or the housing having: a push piece (112), the push piece having a a radially extending main portion of surface; and at least one anti-rotation member (114, 116) for resisting rotation of said seat (102) or housing (118). The cannula (103) is directly or indirectly connected to the seat (102) or housing (118). The medical device (100) may be a catheter, the cannula (103) may be a catheter tubing, and the seat (102) or housing (118) may be a catheter hub or an introducer needle tip guard for the catheter (100). cover. |