| 摘要 |
An apparatus for the delivery of hypoxic air to a user comprising a biofeedback means where at least one physiologically measurable parameter of the user is substantially constantly measured by a monitoring means and the measured data transmitted to a control means, where the control means comprises: i) means for comparing the measured data of the at least one physiological parameter with a pre-set target value for the parameter; and ii) adjustment means to vary the oxygen concentration in the hypoxic air delivered to the user in response to the transmitted data.
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