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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 ...


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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 ...


3
Carl W Christensen, Calvin Isaacson: Photosensitive laminate. Shipley Company, Robert L Goldberg, July 23, 1985: US04530896 (20 worldwide citation)

This invention relates to a light-sensitive laminate comprising a light-sensitive layer of photoresist, a support therefor, and an intermediate protective layer preferably of a light-transmitting material disposed between said photoresist layer and said support. In use, the photoresist layer of the ...


4
Carl W Christensen, Calvin Isaacson: Photosensitive laminate. Shipley Company, Robert L Goldberg, October 1, 1985: US04544619 (13 worldwide citation)

This invention relates to a light sensitive laminate comprising a light sensitive layer of photoresist, a support therefor, and an intermediate protective layer preferably of a light transmitting material disposed between said photoresist layer and said support. In use, the photoresist layer of the ...


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