Patent · US Expired

Photoradiation method and arrangement

US4614190A · kind A · utility

27Cited by
6References
5Claims
0Family size

Inventors

Key dates

Filing dateMay 9, 1983
Grant dateSep 30, 1986
Priority date
Expiry dateMay 9, 2003

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61N2005/0662
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A method and arrangement for activating a photoirradiable chemical such as hematoporphyrin derivative (HPD) particularly in vivo by use of pulsed radiation of the required frequency higher energy input with less damage surrounding tissue can be achieved.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.