Patent · US Expired

Conduit having spirally wound monofilament material

US4428403A · kind A · utility

46Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 1982
Grant dateJan 31, 1984
Priority date
Expiry dateJun 4, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S138/06
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Device useful as a heat exchanger for blood or as an apparatus in which blood may be treated or reacted with selected reactants. Device comprises hollow tubing which has plastic monofilament placed in a generally spiral configuration around its outer surface, said monofilament being in the form of continuous or discontinuous projections or ridges. Strands of wire may be substituted for the plastic monofilament. Hollow tubing having such plastic monofilament or strands of wire is also included.

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