Patent · US Expired

Catheter for introduction into the trachea and the bronchial system

US4981477A · kind A · utility

162Cited by
12References
21Claims
0Family size

Inventors

Key dates

Filing dateApr 11, 1989
Grant dateJan 1, 1991
Priority date
Expiry dateApr 11, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M25/0041
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A tubular flexible suction catheter for introduction into the trachea and the bronchial system, has at least one continuous lumen for suctioning fluids out of a lung and a distal end zone that is fashioned to be wavy in an approximately W-shape in the longitudinal extension of the suction catheter.

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