Methods and Devices for Central Photoplethysmographic Monitoring Methods
First Claim
Patent Images
1. A method of monitoring blood flow status to the head of an individual, said method comprising:
- securing a pulse oximeter probe to a central source site of said individual wherein said probe is configured to generate signals indicative of blood flow at said central source site;
monitoring blood flow at said central source site; and
effecting a predetermined reaction responsive to said blood flow falling below a predefined value.
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Accused Products
Abstract
Disclosed herein are methods and devices for delivering gas to a subject and obtaining plethysmograph readings from a subject. Specifically disclosed herein are masks and helmets which comprise one or more pulse oximeter probes associated therewith. The masks and helmets may be used in particular contexts, including, but not limited to, emergency responder personnel, pilots or subjects of medical attention.
50 Citations
35 Claims
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1. A method of monitoring blood flow status to the head of an individual, said method comprising:
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securing a pulse oximeter probe to a central source site of said individual wherein said probe is configured to generate signals indicative of blood flow at said central source site; monitoring blood flow at said central source site; and effecting a predetermined reaction responsive to said blood flow falling below a predefined value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A mask for delivering gas to a subject, said mask comprising
a compartment configured to cover the nose and mouth of said subject and an airhose attached to said compartment, a pulse oximeter probe configured to secure to a central source site of said subject, said pulse oximeter probe connected to a wire for carrying signals produced by said pulse oximeter probe, wherein said wire is fixed to said mask.
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18. A mask for delivering gas to a subject, said mask comprising
a compartment configured to cover the nose and/or mouth of said subject and an airhose attached to said compartment, and a pulse oximeter probe configured to secure to a central source site of said subject and monitor signals indicative of blood flow from said subject, said pulse oximeter probe associated with said mask.
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21. A system for monitoring signals indicative of blood flow at least one central source site of at least one subject, said system comprising
a mask for delivering gas to said subject; -
at least one pulse oximeter probe configured to secure to a central source site of said subject and monitor signals indicative of blood flow from said subject, said pulse oximeter probe associated with said mask; and a remote monitoring computer communicating connected with said at least one pulse oximeter probe, said remote monitoring computer configured to process signals from said at least one pulse oximeter probe. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. A mask for delivering gas to a subject, said mask comprising
a nasal delivery portion; -
at least one projection associated with said nasal delivery portion configured for insertion to at least nasal passage; an airhose associated with said nasal delivery portion; and a pulse oximeter probe configured to secure to a central source site of said subject, said pulse oximeter probe associated with said mask. - View Dependent Claims (29, 30)
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31. A protective helmet comprising
a head covering portion defining a cavity into which an apex region of a user'"'"'s head is superimposed; - and
a pulse oximeter probe configured to secure to a central source site of said subject, said pulse oximeter probe associated with said helmet. - View Dependent Claims (32, 33, 34)
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35. A helmet and mask system for use by an emergency responder, said helmet and mask system comprising
a head covering portion defining a cavity into which an apex region of a user'"'"'s head is superimposed; -
a mask for delivering gas to a subject, said mask comprising a compartment configured to cover the nose and mouth of said subject and an airhose attached to said compartment; and a pulse oximeter probe configured to secure to a central source site of said subject, said pulse oximeter probe associated with said helmet or mask.
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Specification