1
Nelson Gencheff, Carl W Christensen: Catheter system for the deployment of biological material. Haugen and Nikolai, June 13, 1995: US05423744 (270 worldwide citation)

The invention involves a system for the deployment of biologically/pharmacologically active materials in a bodily passage, particularly in vascular wall tissue, in the form of a multi-lumen catheter having several serially situated zones. One embodiment has a dispersion zone adapted to address a vas ...


2
Nelson Gencheff, Carl W Christensen: Biological material deployment method and apparatus. Haugen and Nikolai, October 26, 1993: US05256141 (115 worldwide citation)

The invention involves a system for the deployment of biologically active materials in a bodily passage, particularly in vascular wall tissue, in the form of an elongated multi-lumen catheter having a plurality of serially situated functional zones. One embodiment includes an externally accessed dis ...