An obstruction device (10) includes an obstruction disc (12) mounted on a shaft (14). The disc (12) includes a membrane (24) attached to a peripheral frame (18). An anchoring member (16) extends from a distal portion of the shaft (14). The shaft (14) anchoring member (16) and peripheral frame (18) may together have ...
[Class : 16] Exercise Book, Note Book, Paper & Paper Stationeries
Trade mark is likely to be removed due to non filing of Renewal request within prescribed time limit In case of any discripancy contact respective TM Registry.