Patent · US Expired

One-directional microball valve for a microfluidic device

US6901949B2 · kind B2 · utility

11Cited by
7References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 2004
Grant dateJun 7, 2005
Priority date
Expiry dateAug 13, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/791
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A microfluidic device that includes a microball valve is provided. The microball valve is capable of preventing or interrupting fluid flow through the microfluidic device. The microfluidic device can include a substrate layer, and a microfluidic pathway that includes the microball valve. Methods are provided for manipulating fluids using the microfluidic device.

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