Piston based ventillator
US5915382A · kind A · utility
156Cited by
21References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 21, 1997 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Aug 21, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0057
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A piston based ventilator for delivering breathing gas to the lungs of a patient, and more particularly a piston based ventilator that delivers breathing gas to a patient upon longitudinal movement of a piston rod and associated piston head within a piston cylinder. The piston rod is centrally located within the cylinder and moves along the cylinder in response to direct drive from a motor to move the piston head within the cylinder and displace a volume of gas to be delivered to the patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.