Patent · US Expired

Device for continuously irrigating and draining human or animal body tissues or cavities

US5246422A · kind A · utility

38Cited by
7References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 2, 1991
Grant dateSep 21, 1993
Priority date
Expiry dateDec 2, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S128/12
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The device consists of a permanent module (10) and a removable cassette (11). The permanent module comprises a housing (12) with control keys (13) and physical value indicators (14), and two drive hubs (20, 21) for driving two peristaltic pumps mounted in a cassette. The inlet duct (15) of the first pump is connected to a container of physiological liquid, the outlet duct (16) of this pump supplies said liquid to the operating zone, and the duct (17) of the second pump is connected to an operating instrument to drain off the liquid, the duct (18) of this second pump being coupled with a drainage circuit.

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