Ventilator and method for controlling same to reproduce a manually generated breathing pattern
First Claim
1. A method for controlling a valve unit in a ventilator system comprising the steps of:
- manually generating a breathing pattern, said breathing pattern including pressure, flow and duration parameters;
measuring at least one of said parameters of said breathing pattern to obtain a measured parameter;
storing said measured parameter as a stored parameter; and
operating a valve unit in a ventilator system using said stored parameter as a reference value for reproducing said manually generated breathing pattern as a mechanically generated breathing pattern.
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Accused Products
Abstract
In a ventilator system and a method for controlling the ventilator system, a hand ventilator is connectable to a patient to impose a manually generated breathing pattern on the patient. A measurement unit is arranged by the hand ventilator to measure at least one of the parameters pressure and flow of the manually generated breathing pattern. The measured parameters are supplied to a memory unit in a regulatory unit, which operates a control unit so as to regulate a valve unit for imposing a mechanically generated breathing pattern, corresponding to the manually generated breathing pattern, on the patient. The measured parameters can be re-scaled in a calculation unit before the control unit controls the valve unit.
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Citations
10 Claims
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1. A method for controlling a valve unit in a ventilator system comprising the steps of:
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manually generating a breathing pattern, said breathing pattern including pressure, flow and duration parameters; measuring at least one of said parameters of said breathing pattern to obtain a measured parameter; storing said measured parameter as a stored parameter; and operating a valve unit in a ventilator system using said stored parameter as a reference value for reproducing said manually generated breathing pattern as a mechanically generated breathing pattern. - View Dependent Claims (2, 3)
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4. A ventilator system comprising:
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a source of breathing gas; means adapted for delivering said breathing gas to a patient in a breathing gas flow; valve means for imposing a breathing pattern on said breathing gas flow, said breathing gas flow with said breathing pattern imposed thereon having parameters of gas pressure, gas flow and duration; measurement means for measuring at least one of said parameters for producing at least one measured parameter; memory means for storing said at least one measured parameter as at least one stored parameter; control means for controlling said valve means according to said at least one stored parameter; switch means, connected to said memory means and to said control means for, in a first switching state, causing said memory means to store said at least one measured parameter as said at least one stored parameter and for, in a second switching state, causing said control means to control said valve means according to said at least one stored parameter; and manually-operated ventilator means for generating a manual breathing pattern as said selected breathing pattern, with said switching means in said first switching state for storing a parameter of said manually generated breathing pattern as said stored parameter. - View Dependent Claims (5, 6, 7)
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8. A ventilator system comprising:
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means for manually generating a breathing pattern, said breathing pattern including pressure, flow and duration parameters; measurement means for measuring at least one of said parameters of said breathing pattern to obtain a measured parameter; memory means for storing said measured parameter as a stored parameter; a valve unit; and means for operating said valve unit using said stored parameter as a reference value for reproducing said manually generated breathing pattern as a mechanically generated breathing pattern. - View Dependent Claims (9, 10)
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Specification