Gambro Engstrom Ab

Sven M Broddner

Leif Bromster

Rune Nyman

Ulf G Lundell

Lars Klintholm

Leif B Hogman

Goran S Pilenvik

Anesthesia or respirator apparatus is disclosed for supplying a gas stream to a patient, including a ventilator for delivering the gas stream, including an inhalation conduit and a compressible bag or bellows, with the gas stream being in contact with the inner surface of the compressible bag and with its outer surface being in contact with a propellant gas stream so that an increase in pressure in the gas stream within the compressible bag can be created by application of the propellant gas against the outer surface of the bag, and including a manual pump associated with the propellant gas stream so that increased pressure can be created in the propellant gas stream, thus resulting in application of the propellant gas stream against the outer surface of the bag, by actuation of the manual pump, and a resultant increase in the pressure in the gas stream within the bag, in turn resulting in an increased flow of the gas stream through the inhalation conduit to the patient.

Respirator and/or anesthesia supply apparatus

Anesthesia and/or respirator apparatus is disclosed which includes a moistening and/or gasification chamber. The chamber is constructed such that liquid intended to be gasified or evaporated can be received from a source through a metering valve. In the preferred embodiment, the gasification chamber includes a heatable plate or the like for the heating of the supplied liquid. The apparatus means further includes a microprocessor for measuring the energy which is used for the gasification as a measure of the quantity of liquid supplied. In this regard, if certain defined functions are not fulfilled, an alarm signal is generated.

Anesthesia and/or respirator apparatus having a moistening and/or

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Upplands Vasby, Sweden

Sven M Broddner