Apparatus and methods for assisting breathing
First Claim
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1. A method of treating a subject comprising:
- (a) sensing an onset of the subject'"'"'s expiratory phase of breathing; and
(b) delivering a stimulus to the subject'"'"'s thorax or abdomen during at least part of the expiratory phase of breathing in response to said sensing, said stimulus effective to cause a contraction in the subject'"'"'s abdominal muscle so as to assist the subject with ventilation, wherein at least one of the sensing and delivering is carried out by one or more implanted sensors and/or implanted device adapted to deliver a stimulus.
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Abstract
The present invention provides, among other things, apparatus and methods of use for treating a subject in need of assistance with breathing. In some embodiments the subject suffers from airflow obstruction. In some embodiments, the subject suffers from chronic obstructive pulmonary disease.
37 Citations
38 Claims
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1. A method of treating a subject comprising:
- (a) sensing an onset of the subject'"'"'s expiratory phase of breathing; and
(b) delivering a stimulus to the subject'"'"'s thorax or abdomen during at least part of the expiratory phase of breathing in response to said sensing, said stimulus effective to cause a contraction in the subject'"'"'s abdominal muscle so as to assist the subject with ventilation, wherein at least one of the sensing and delivering is carried out by one or more implanted sensors and/or implanted device adapted to deliver a stimulus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
- (a) sensing an onset of the subject'"'"'s expiratory phase of breathing; and
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21. An apparatus comprising:
- (a) one or more sensors suitable for detecting when a subject is exhaling; and
(b) a device adapted to deliver a stimulus to the subject'"'"'s thorax or abdomen during at least part of an expiratory phase of the subject'"'"'s breathing in response to a signal generated by said one or more sensors, said stimulus effective to cause a contraction in the subject'"'"'s abdominal muscle, wherein the apparatus is at least in part implantable in the subject'"'"'s thorax or abdomen. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
- (a) one or more sensors suitable for detecting when a subject is exhaling; and
Specification