Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
90 words
A mechanical ventilator for a patient with respiratory failure, comprising: respiratory flow measuring means (1a, 1b, 1c) for directly and continuously measuring a respiratory flow of the patient and outputting a respiratory flow signal; gas delivering means (3) for delivering gas to the patient; gas flow regulating means (2) for regulating the gas flow to be delivered to the patient; and control means (5) for controlling the operation of said gas flow regulating means based on the respiratory flow signal outputted by said respiratory flow measuring means (1a, 1b, 1c).
Claim 2
Dependent Claim
90 words
A mechanical ventilator for a patient with respiratory failure, comprising: respiratory flow measuring means (1a, 1b, 1c) for directly and continuously measuring a respiratory flow of the patient and outputting a respiratory flow signal; gas delivering means (3) for delivering gas to the patient; gas flow regulating means (2) for regulating the gas flow to be delivered to the patient; and control means (5) for controlling the operation of said gas flow regulating means based on the respiratory flow signal outputted by said respiratory flow measuring means (1a, 1b, 1c).
Claim 3
Dependent Claim
61 words
A mechanical ventilator according to claim 1, further comprising: airway pressure regulating means (4, 7) for regulating the pressure of an airway of the patient, leading to his lung; said control means (5) further controlling the operation of said airway pressure regulating means (4, 7) based on the respiratory flow signal outputted by said respiratory flow measuring means (1a, 1b, 1c).
Claim 4
Dependent Claim
81 words
A mechanical ventilator according to claim 1, wherein said mechanical ventilator is provided with an airway circuit (D) leading to a trachea (T) of the patient by way of an airway of the patient, an inspiratory circuit (P1) and an expiratory circuit (P2) which are branched from said airway circuit (D), said gas delivering means (3) is provided so as to deliver gas to said inspiratory circuit (P1), and said gas flow regulating means (2) is provided in said inspiratory circuit.
Claim 5
Dependent Claim
65 words
A mechanical ventilator according to claim 2, wherein said mechanical ventilator is provided with an airway circuit (D) leading to a trachea (T) of the patient by way of an airway of the patient, an inspiratory circuit (P1) and an expiratory circuit (P2) which are branched from said airway circuit (D), said airway pressure regulating means (4, 7) is provided in said expiratory circuit (P2).
Claim 6
Dependent Claim
20 words
A mechanical ventilator according to claim 3, wherein said respiratory flow measuring means (1a) is provided in said airway circuit.
Claim 7
Dependent Claim
109 words
A mechanical ventilator according to claim 3, wherein said respiratory flow measuring means comprises gas flow measuring means (1b, 1c) provided in said inspiratory circuit (P1) and said expiratory circuit (P2) for measuring gas flow in said inspiratory circuit (P1) and said expiratory circuit (P2) and outputting gas flow signals, and operation means (2, 4, 7) for calculating the respiratory flow signal of the patient from the difference between the gas flow signals outputted by said gas flow measuring means, said operation means is provided in one of said gas flow measuring means, said control means, and connecting lines between said gas flow measuring means and said control means.