Patent · US Expired

Multi-parameter sensor apparatus

US5596988A · kind A · utility

109Cited by
12References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 7, 1994
Grant dateJan 28, 1997
Priority date
Expiry dateDec 7, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D69/141
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A multi-parameter catheter comprising sensors enveloped in a sheath made from a biphasic material comprising a layer of microporous hydrophobic substance having micropores which are filled with a hydrophilic substance which when hydrated forms a gel and allows the passage of water-bound ions, and an apparatus for introducing the catheter into a patient's blood vessel.

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