Patent · US Expired

Method for collagen treatment

US4976709A · kind A · utility

589Cited by
7References
21Claims
0Family size

Inventor

Key dates

Filing dateJun 30, 1989
Grant dateDec 11, 1990
Priority date
Expiry dateJun 30, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2009/00872
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A method for controlled thermal shrinkage of collagen tissue by irradiation with coherent energy in the wavelength band of 1.80 to 2.55 microns as generated by a laser. A specific application to ophthalmological corneal reshaping is described.

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