A puncture seal device for stemming the flow of blood from a punctured blood vessel includes an elongated outer sheath affixed to a generally tubular housing where the housing contains a manually actuable slide which is affixed to a rigid tubular pusher member coaxially disposed within the outer sheath....http://www.google.ca/patents/US5324306?utm_source=gb-gplus-sharePatent US5324306 - Hemostatic implant introducer
