SYSTEM AND METHOD FOR DELIVERING MATERIAL INTO A PATIENT

摘要

Apparatus for delivering material into a patient includes a catheter having a proximal end and a distal end. Material, preferably of filamentary or thread form, is fed from a material supply into a Y-fitting having a main branch and a side branch. The side branch is connected to a source of driving fluid able to feed drive fluid under pressure into the material carrier so as to pull material forwardly and out of the distal end of the catheter. The assembly includes an inner cannula within which material is passed from the material source. This increases the speed of delivery of material though the device and reduces the amount of drive fluid which is required.

主权项

1. An assembly for delivering material into a patient including:
an introducer unit having a proximal end, a distal end and a lumen extending within the introducer unit from the proximal to the distal ends; a side feed located at a position between the proximal and distal ends of the introducer unit and in fluid communication with the lumen; a material source coupled at the proximal end of the introducer unit, material thereof being passable through the lumen to the distal end of the introducer unit; and a driving fluid source coupled to the side feed; wherein supply of driving fluid through the side feed causes material in the lumen to be pulled towards and out of the distal end of the introducer unit.