An aspiration and flushing needle assembly having separable flushing and aspiration assemblies. The flushing assembly (2) has a flushing needle (27) extending from a handle (25) and a flushing fluid line (35) which can be connected to a source of flushing liquid. The aspiration assembly (1) has an aspiration...http://www.google.co.uk/patents/US7470249?utm_source=gb-gplus-sharePatent US7470249 - Aspiration and flushing needle
