Patent · US Expired

Midstream sampling device

US4301812A · kind A · utility

28Cited by
7References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1979
Grant dateNov 24, 1981
Priority date
Expiry dateDec 12, 1999

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B10/007
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A midstream sampling device comprising, a housing having a chamber, a distal outer mouth defining an outer port, an inner mouth in the chamber defining an inner port, and an outlet opening. The housing has a first cavity communicating between the inner port and the outlet opening, and a second cavity at least partially below the inner mouth and communicating with the outer port. The housing has an elongated depending post having a channel, and an upper aperture communicating with at least one of the cavities. The device also has a receptacle having a chamber communicating with the outlet opening.

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