Patent · US Expired

Temporary patient ventilator

US5222491A · kind A · utility

41Cited by
12References
20Claims
0Family size

Inventor

Key dates

Filing dateMay 29, 1992
Grant dateJun 29, 1993
Priority date
Expiry dateMay 29, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2205/8206
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A temporary patient ventilator is a modified version of the widely used air-mask-bag-unit (AMBU). The modified AMBU has guy wires attached to the inside resilient walls of the airbag which are pulled to collapse the airbag. A drive is used to alternately pull on the guy wires and then release them automatically. This new automated airbag unit system allows hands free operation of the ventilation device for short periods of time. The drive has rechargeable batteries so that the temporary ventilator is completely mobile.

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