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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0242764 (2008-09-30) |
| 등록번호 | US-8423112 (2013-04-16) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 1 인용 특허 : 754 |
According to embodiments, a medical sensor may be configured for use on mucosal tissue. Such a sensor may include a portion that facilitate the application of the sensor to the tissue and a portion that includes the optical components of the sensor. The two portions of the sensor may be reversibly c
According to embodiments, a medical sensor may be configured for use on mucosal tissue. Such a sensor may include a portion that facilitate the application of the sensor to the tissue and a portion that includes the optical components of the sensor. The two portions of the sensor may be reversibly coupled to one another. In embodiments, such sensors may be used to determine patient hematocrit.
1. A sensor comprising: an attachment portion comprising a curved structure configured to secure the sensor to a patient, wherein the attachment portion comprises a first light pipe configured to direct light into a mucosal tissue of the patient and comprises a second light pipe configured to receiv
1. A sensor comprising: an attachment portion comprising a curved structure configured to secure the sensor to a patient, wherein the attachment portion comprises a first light pipe configured to direct light into a mucosal tissue of the patient and comprises a second light pipe configured to receive light from the mucosal tissue of the patient; andan optical portion comprising a light emitter and a light detector, wherein the attachment portion is configured to removably couple to the optical portion such that the light emitter is operatively coupled to the first light pipe and the detector is operatively coupled to the second light pipe. 2. The sensor, as set forth in claim 1, wherein a terminus of the first light pipe and a terminus of the second light pipe are spaced about 2 mm to about 2.5 mm from one another. 3. The sensor, as set forth in claim 1, wherein a terminus of the first light pipe and a terminus of the second light pipe are spaced such that the emitted light penetrates the mucosal tissue of the patient with a mean depth of penetration of less than 2 mm. 4. The sensor, as set forth in claim 1, wherein the attachment portion is configured to be nonadhesively applied to the mucosal tissue of the patient. 5. The sensor, as set forth in claim 1, wherein the curved structure comprises a hook configured to attach the sensor to a lip of the patient when the attachment portion is removably attached to the optical portion of the sensor. 6. The sensor, as set forth in claim 1, wherein the optical portion comprises a universal serial bus port. 7. The sensor, as set forth in claim 1, wherein the optical portion comprises an analog to digital converter configured to digitize a signal generated by the detector. 8. The sensor, as set forth in claim 1, wherein the sensor is configured to sense information related to oxygen saturation or hematocrit values. 9. The sensor, as set forth in claim 1, wherein the attachment portion comprises an adhesive portion configured to adhere to the patient's mucosal tissue. 10. The sensor, as set forth in claim 1, wherein the first light pipe and the second light pipe are spaced about 2 mm to about 2.5 mm from one another at a surface of the patient's mucosal tissue. 11. The sensor, as set forth in claim 1, wherein the first light pipe and the second light pipe are spaced such that the emitted light penetrates the patient's mucosal tissue with a mean depth of penetration of less than 2 mm. 12. A medical monitoring system comprising: a medical monitor; anda sensor configured to operatively couple to the monitor, the sensor comprising:an attachment portion configured to be applied to a patient's mucosal tissue, wherein the attachment portion comprises a curved structure configured to secure the sensor to the patient near the patient's mucosal tissue, wherein the curved structure comprises a first light pipe configured to direct light into the patient's mucosal tissue and comprises a second light pipe configured to receive light from the patient's mucosal tissue;an optical portion comprising a light emitter and a light detector, wherein the attachment portion is configured to removably couple to the optical portion such that the light emitter is operatively coupled to the first light pipe and the detector is operatively coupled to the second light pipe. 13. The system, as set forth in claim 12, wherein the detector is configured to detect light that has been directed through the second light pipe of the attachment portion. 14. The system, as set forth in claim 12, wherein a terminus of the first light pipe and a terminus of the second light pipe are spaced about 2 mm to about 2.5 mm from one another. 15. The system, as set forth in claim 12, wherein the monitor is coupled to the sensor by a universal serial bus port. 16. The system, as set forth in claim 12, wherein the optical portion comprises an analog to digital converter capable of digitizing a signal generated by the detector. 17. The system, as set forth in claim 12, wherein the sensor is capable of sensing information related to oxygen saturation or hematocrit values. 18. The system, as set forth in claim 12, wherein the first light pipe and the second light pipe are spaced about 2 mm to about 2.5 mm from one another such that the emitted light penetrates the patient's mucosal tissue with a mean depth of penetration of less than 2 mm. 19. A method comprising: removably coupling an attachment portion of a sensor to an optical portion of the sensor, wherein optical portion comprises an emitter and a detector, and wherein the attachment portion comprises a first light pipe and a second light pipe disposed within a curved structure, and wherein the emitter is operably coupled to the first light pipe and the detector is operably coupled to the second light pipe when the attachment portion and the optical portion of the sensor are removably coupled;securing the curved structure of the attachment portion to a patient such that the first and second light pipes of the attachment portion contact a mucosal tissue of the patient;determining a hematocrit level of the patient using the sensor. 20. The method, as set forth in claim 19, comprising directing light from the emitter to the mucosal tissue of the patient via the first light pipe and directing light from the mucosal tissue of the patient to the detector via the second light pipe, wherein the light penetrates the mucosal tissue with a mean penetration depth of less than about 2 mm.
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