PHYSIOLOGICAL SENSOR HAVING A WAIST

• US 20110021893A1
• Filed: 07/23/2010
• Published: 01/27/2011
• Est. Priority Date: 07/23/2009
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Morbito, Richard, Stimpson, Matthew, Muto, Melissa, Gonopolskiy, Oleg, Anderson, Arik
• Granted Patent: US 8,670,812 B2
• Time in Patent Office: Days
• US Class Current: 600/323
• CPC Class Codes: A61B 2562/164 the sensor is mounted in or on a conformable substrate or carrier
• CPC Class Codes: A61B 5/14552 Details of sensors specially adapted therefor
• CPC Class Codes: A61B 5/6833 Adhesive patches

Abstract

An exemplary sensor includes a sensor pad having a first portion and a second portion separated by a waist portion. The waist portion is narrower than the first portion and the second portion. A light source that is disposed on the first portion is configured to generate near-infrared light and transmit the near-infrared light through part of a patient'"'"'s body. A light detector that is disposed on the second portion is configured to detect near-infrared light that has traveled through the part of the patient'"'"'s body. The near-infrared light detected indicates an amount of oxygen in the part of the patient'"'"'s body through which the near-infrared light traveled.

Claims

1. A sensor comprising:

a sensor pad having a first portion and a second portion separated by a waist portion, wherein the waist portion is narrower than the first portion and the second portion;

a light source configured to generate near-infrared light and transmit the near-infrared light through part of a patient'"'"'s body; and

a light detector configured to detect near-infrared light that has traveled through the part of the patient'"'"'s body, wherein the near-infrared light detected indicates an amount of oxygen in the part of the patient'"'"'s body through which the near-infrared light traveled.

2. A sensor as set forth in claim 1, wherein the second portion is configured to substantially prevent the light detector from receiving interfering light.

3. A sensor as set forth in claim 1, wherein the second portion includes a light blocking material.

4. A sensor as set forth in claim 1, wherein at least one of the first portion and the waist portion includes a light blocking material.

5. A sensor as set forth in claim 1, further comprising an adhesive disposed on the sensor pad.

6. A sensor as set forth in claim 5, further comprising a liner disposed on the adhesive.

7. A sensor as set forth in claim 6, wherein the liner defines a slit.

8. A sensor as set forth in claim 7, wherein the slit is located over the waist portion.

9. A sensor as set forth in claim 1, wherein the waist portion includes a flexible material.

10. A sensor as set forth in claim 1, wherein at least one of the first portion and the second portion includes a flexible material.

11. A sensor pad comprising:

a first portion configured to house a light source that generates near-infrared light and transmits the near-infrared light through a part of a patient'"'"'s body;

a second portion configured to house a light detector that detects near-infrared light after the near-infrared light has traveled through a part of the patient'"'"'s body, wherein the light received indicates oxygen saturation of the part of the patient'"'"'s body through which the light traveled; and

a waist portion disposed between the first portion and the second portion, wherein the waist portion is narrower than the first portion and the second portion.

12. A sensor pad as set forth in claim 11, wherein the second portion includes a light blocking material that substantially prevents the light detector from receiving interfering light.

13. A sensor pad as set forth in claim 11, wherein at least one of the first portion and the waist portion include a light blocking material.

14. A sensor pad as set forth in claim 11, wherein the waist portion includes a flexible material.

15. A sensor pad as set forth in claim 11, wherein at least one of the first portion and the second portion includes a flexible material.

16. A sensor pad as set forth in claim 11, further comprising an adhesive disposed on the first portion and the second portion.

17. A sensor pad as set forth in claim 16, further comprising a liner disposed on the adhesive.

18. A sensor pad as set forth in claim 17, wherein the liner defines a slit located over the waist portion.

19. A sensor comprising:

a sensor pad having a first portion and a second portion separated by a waist portion, wherein the waist portion is narrower than the first portion and the second portion, the second portion including a light blocking material and the waist portion including a flexible material;

a light source disposed on the first portion and configured to generate near-infrared light and transmit the near-infrared light through a part of a patient'"'"'s body;

a light detector disposed on the second portion and configured to detect near-infrared light that has traveled through part of the patient'"'"'s body to identify an amount of oxygen in the part of the patient'"'"'s body through which the near-infrared light traveled, and wherein the second portion substantially prevents the light detector from receiving interfering light;

an adhesive disposed on the sensor pad; and

a liner disposed on the adhesive and defining a slit located near or over the waist portion.

20. A sensor as set forth in claim 19, wherein at least one of the first portion and the second portion includes a flexible material.

21. A sensor as set forth in claim 19, wherein at least one of the first portion and the waist portion includes a light blocking material.