A device is proposed for inserting hemostatic material through a tissue channel and against the outside wall of a blood vessel of a patient, wherein the blood vessel wall has a puncture therein adjacent the tissue channel. The device includes a charge of hemostatic material and a hollow sheath adapted...http://www.google.de/patents/US5948425?utm_source=gb-gplus-sharePatent US5948425 - Device and method for sealing puncture wounds