Single use pulse oximeter
First Claim
1. A one piece disposable patch adapted to be attached to a patient for measuring at least the oxygen saturation level of blood of the patient, comprising:
- a light emitter mounted to said patch;
a light detector mounted to said patch to detect the light from said light emitter passing through or reflected from the patient so as to acquire data relating to at least the oxygen saturation level of blood of the patient;
an electronic circuit mounted to said patch for effecting operation of said light emitter and said light detector, and to calculate from the data acquired at least the oxygen saturation level of blood of the patient;
a transceiver mounted to said patch to at least transmit the calculated oxygen saturation level of blood of the patient to a remote device; and
an attachment mechanism provided at the patch to enable said patch to be removably attachable to the patient.
2 Assignments
0 Petitions
Accused Products
Abstract
A single use, self-contained, self-powered disposable oximeter, in the form of a patch or a bandage strip, has mounted thereto a light emitter and a light sensor that together measure at least the SpO2 of the patient. Mounted to an electronics layer of the patch is an application specific integrated circuit (ASIC) that has electronics integrated thereto that controls the operation of the light emitter and light sensor, and the algorithm for calculating from the data collected by the sensor at least the SpO2 of the patient. Optionally, a display and an alarm may also be mounted or embedded onto the patch for respectively displaying at least the SpO2, and for informing the caregiver/patient that at least the SpO2 is not within an acceptable range, if such is the case. Also provided in the patch is a battery that powers the operation of the ASIC circuit and the emitter, as well as the display and alarm if such optional components are provided on the patch. An attachment mechanism is also provided on the patch. Such mechanism may be in the form of an adhesive layer that can removably attach the patch to the patient in either a transmissive mode or a reflective mode. The patch oximeter may also be equipped with a transceiver, and the appropriate electronics, for wirelessly transceiving information to/from a remote device or another wireless patch oximeter. In place of a self-contained power source, the power for operating a wireless patch oximeter may be retrieved from a remote power source, provided that the patch oximeter is within a given distance from such remote power source.
-
Citations
22 Claims
-
1. A one piece disposable patch adapted to be attached to a patient for measuring at least the oxygen saturation level of blood of the patient, comprising:
-
a light emitter mounted to said patch;
a light detector mounted to said patch to detect the light from said light emitter passing through or reflected from the patient so as to acquire data relating to at least the oxygen saturation level of blood of the patient;
an electronic circuit mounted to said patch for effecting operation of said light emitter and said light detector, and to calculate from the data acquired at least the oxygen saturation level of blood of the patient;
a transceiver mounted to said patch to at least transmit the calculated oxygen saturation level of blood of the patient to a remote device; and
an attachment mechanism provided at the patch to enable said patch to be removably attachable to the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. An oximeter comprising:
- a patch adaptable to be attached to a patient, a light emitter and a light detector each mounted to said patch, said light detector detecting the light from said light emitter passing through or reflected from the patient and acquiring therefrom data relating to at least the oxygen saturation level of blood of the patient, an electronic circuit mounted to said patch for effecting operation of said light emitter and said light detector and to calculate from the acquired data at least the oxygen saturation level of blood of the patient, a transceiver mounted to said patch to enable said patch to at least transmit a signal representative of the oxygen saturation level of blood or the acquired data of the patient to a remote device, and means provided at the patch to enable said patch to be removably attached to the patient.
- View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
-
18. A method of determining whether a patient is in shock, comprising the steps of:
-
a) attaching at least two oximeters to different areas of the patient, wherein each of said oximeters has a patch adaptable to be attached to the patient, a light emitter and a light detector each mounted to said patch, said light detector detecting the light from said light emitter passing through or reflected from the patient and acquiring data relating to at least the blood perfusion rate of the patient at the area of the patient where said each oximeter is attached, an electronic circuit mounted to said patch for effecting operation of said light emitter and said light detector and to calculate from the acquired data at least the blood perfusion rate of the patient at the area, a transceiver mounted to said patch to enable said patch to communicate with a remote device or the other oximeter attached to the patient, and means provided at the patch to enable said patch to be removably attachable to the patient;
b) determining a differential of the blood perfusion rate of the patient as measured by the at least two oximeters attached to the different areas of the patient; and
c) comparing the determined differential with a predetermined condition to decide whether the patient is in shock. - View Dependent Claims (19, 20, 21, 22)
-
Specification