Self-inflating resuscitation system
First Claim
1. A self-inflating resuscitation system, comprising:
- a self-inflating resuscitation chamber formed from at least one flexible outer wall having a resting position at which the self-inflating resuscitation chamber is expanded to form a cavity holding a gas and having sufficient structural integrity such that when a compressive force is removed from an outer surface of the outer wall, the outer wall returns to the resting position;
at least one exhalation indicator coupled to the self-inflating resuscitation chamber to indicate whether a patient to which the self-inflating resuscitation chamber is attached is exhaling.
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Accused Products
Abstract
A self-inflating resuscitation system formed from a self-inflating resuscitation bag and an exhalation indicator. In particular, the self-inflating resuscitation bag provides an exhalation indicator, which may be an audio or visual indicator, or both. The exhalation indicator enables a caregiver to more accurately determine whether a patient is being ventilated, unlike prior art self-inflating resuscitation bags, and helps to detect esophageal intubation in intubated patients or gastric trapping of gas in non-intubated patients undergoing positive pressure ventilation. In general, the device may be interposed between any source of positive pressure ventilation and any airway device to monitor exhalation as an indicator of adequacy of ventilation.
31 Citations
39 Claims
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1. A self-inflating resuscitation system, comprising:
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a self-inflating resuscitation chamber formed from at least one flexible outer wall having a resting position at which the self-inflating resuscitation chamber is expanded to form a cavity holding a gas and having sufficient structural integrity such that when a compressive force is removed from an outer surface of the outer wall, the outer wall returns to the resting position;
at least one exhalation indicator coupled to the self-inflating resuscitation chamber to indicate whether a patient to which the self-inflating resuscitation chamber is attached is exhaling. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 11, 12)
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9. A self-inflating resuscitation system, comprising:
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a self-inflating resuscitation chamber formed from at least one flexible outer wall having a resting position at which the self-inflating resuscitation chamber is expanded to form a cavity holding a gas and having sufficient structural integrity such that when a compressive force is removed from an outer surface of the outer wall, the outer wall returns to the resting position;
an intake port in the self-inflating resuscitation chamber;
an inlet valve coupled to the intake port allowing gases to flow into the self-inflating resuscitation chamber but restricting gases from flowing out of the self-inflating resuscitation chamber;
an outlet port in the self-inflating resuscitation chamber;
an outlet valve assembly coupled to the outlet port allowing gases to flow out of the self-inflating resuscitation chamber but restricting gases from flowing into the self-inflating resuscitation chamber; and
at least one exhalation indicator coupled to the outlet valve assembly to indicate whether a patient to which the self-inflating resuscitation chamber is attached is exhaling. - View Dependent Claims (10, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method of determining whether a patient is adequately ventilated, comprising:
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attaching a self-inflating resuscitation chamber to the patient, wherein the self-inflating resuscitation chamber comprises at least one flexible outer wall having a resting position at which the self-inflating resuscitation chamber is expanded to form a cavity holding a gas and having sufficient structural integrity such that when a compressive force is removed from an outer surface of the outer wall, the outer wall returns to the resting position and including at least one exhalation indicator coupled to the self-inflating resuscitation chamber to indicate whether a patient to which the self-inflating resuscitation chamber is attached is exhaling;
applying a compressive force to the self-inflating resuscitation chamber to expel the gas from the self-inflating resuscitation chamber into the patient; and
monitoring the at least one exhalation indicator to determine whether the patient exhales. - View Dependent Claims (25, 26, 27, 28, 29)
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30. A method of determining esophageal intubation in an intubated patient comprising:
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applying a compressive force to a self-inflating resuscitation chamber to expel gas from the self-inflating resuscitation chamber;
attaching the self-inflating resuscitation chamber to an endotracheal tube installed in the patient, wherein the self-inflating resuscitation chamber comprises at least one flexible outer wall having a resting position at which the self-inflating resuscitation chamber is expanded to form a cavity holding a gas and having sufficient structural integrity such that when a compressive force is removed from an outer surface of the outer wall, the outer wall returns to the resting position; and
monitoring refilling of the self-inflating resuscitation chamber to determine whether the endotracheal tube is in lungs or stomach of the patient.
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31. A self-inflating resuscitation system for human resuscitation, comprising:
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an outlet valve assembly adapted to be coupled to an outlet port of a self-inflating resuscitation chamber and including an outlet valve adapted to allow gases to flow out of the self-inflating resuscitation chamber but restricting gases from flowing into the self-inflating resuscitation chamber and adapted to be coupled to an airway device extending from an airway of a patient; and
at least one exhalation indicator coupled to the outlet valve assembly to indicate whether a patient to which the self-inflating resuscitation chamber is attached is exhaling. - View Dependent Claims (32, 33, 34, 35, 36, 37)
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38. A device for determining esophageal intubation in an intubated patient comprising:
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a self-inflating resuscitation chamber formed from an inlet port, an outlet port, and at least one flexible outer wall having a resting position at which the self-inflating resuscitation chamber is expanded to form a cavity holding a gas and having sufficient structural integrity such that when a compressive force is removed from an outer surface of the outer wall, the outer wall returns to the resting position; and
an endotracheal tube coupled to the inlet port of the self-inflating resuscitation chamber.
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39. A method of determining whether a patient is adequately ventilated, comprising:
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attaching an airway device to the patient, wherein the airway device is coupled to a positive pressure ventilation source;
expelling a gas from the positive pressure ventilation source into the patient; and
monitoring at least one exhalation indicator in communication with the airway device to determine whether the patient exhales.
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Specification