A catheter plug for sealing the proximal end of a parenterally placed catheter and permitting repeated small volume injections and delivery of parenteral fluids without disturbing the sterility of the catheter. The catheter plug has a compression chamber for applying compression to a self-sealing elastometric...http://www.google.ca/patents/US4445896?utm_source=gb-gplus-sharePatent US4445896 - Catheter plug
