Title:
【発明の名称】紫外線照射による再狭窄の抑制
Document Type and Number:
Japanese Patent JPH06501859
Kind Code:
A
Abstract:
Restenosis following angioplasty can be inhibited by reducing the proliferation of smooth muscle cells in the blood vessel walls at an angioplasty site, and such reduction in cell proliferation can be accomplished by an apparatus which irradiates the angioplasty site with radiation in the ultraviolet (UV) wavelength range. The ultraviolet radiation is preferably delivered via an optical fiber or other waveguide incorporated, for example, into a percutaneous catheter. In operation, the ultraviolet radiation kills smooth muscle cells at the site, thereby reducing the risk of restenosis, while minimising damage to surrounding tissue.
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Inventors:
Clark, Richard H.
Application Number:
JP51615391A
Publication Date:
March 03, 1994
Filing Date:
September 04, 1991
Export Citation:
Assignee:
Angiomedics To Incorporated
International Classes:
A61B17/22; A61N5/06; A61B17/00; A61M29/02; (IPC1-7): A61N5/06; A61B17/00
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)