Patent · US Expired

Thick-walled flexible probe for insertion in the trachea or respectively in the bronchial system

US4969878A · kind A · utility

23Cited by

8References

7Claims

0Family size

Inventors

Christoph Schmidt · Kriftel, DE
Rudolf Schon · Stuttgart, DE
Jurgen Russ · Bonn, DE

Key dates

Filing date	Sep 19, 1988
Grant date	Nov 13, 1990
Priority date	—
Expiry date	Sep 19, 2008

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M16/0486
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Tubular flexible probe for insertion in the wind-pipe or in the bronchial system, in particular for use as a suction catheter with a tube (10) having an outside diameter of roughly 5-8 mm and a length of roughly 30-50 cm. Its end, which can be inserted in the wind-pipe or in the bronchial system can be designed as an annular collar (12) and in the region of the annular collar may have holes (21) with at least one channel (2) having a diameter of about 1 to a maximum of 2 mm for the conveyance of medicaments. Its inlet (23) is provided with a connection piece (3) for attachment of a syringe.

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