Devices and techniques associated with diagnostics, therapies, and other applications, including skin-associated applications
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-005/00
A61B-005/145
G01N-021/00
A61B-005/15
A61B-005/151
A61B-005/157
A61B-005/1459
A61B-005/1486
출원번호
US-0716229
(2010-03-02)
등록번호
US-9113836
(2015-08-25)
발명자
/ 주소
Bernstein, Howard
Chickering, III, Donald E.
Levinson, Douglas A.
Walt, David R.
Davis, Shawn
Haghgooie, Ramin
출원인 / 주소
Seventh Sense Biosystems, Inc.
대리인 / 주소
Wolf, Greenfield & Sacks, P.C.
인용정보
피인용 횟수 :
7인용 특허 :
285
초록▼
The present invention generally relates to devices and techniques associated with diagnostics, therapies, and other applications, including skin-associated applications, for example, devices for delivering and/or withdrawing fluid from subjects, e.g., through the skin. In some embodiments, the devic
The present invention generally relates to devices and techniques associated with diagnostics, therapies, and other applications, including skin-associated applications, for example, devices for delivering and/or withdrawing fluid from subjects, e.g., through the skin. In some embodiments, the device includes a system for accessing an extractable medium from and/or through the skin of the subject at an access site, and a pressure regulator supported by a support structure, able to create a pressure differential across the skin at least a portion of the access site. The device may also include, in some cases, a sensor supported by the support structure for determining at least one condition of the extractable medium from the subject, and optionally a signal generator supported by the support structure for generating a signal relating to the condition of the medium determined by the sensor.
대표청구항▼
1. A device for analysis of an extractable medium from the skin and/or from beneath the skin of a subject, the device comprising: a support structure constructed and arranged to be positioned proximate the skin of the subject;a plurality of microneedles associated with the support structure for acce
1. A device for analysis of an extractable medium from the skin and/or from beneath the skin of a subject, the device comprising: a support structure constructed and arranged to be positioned proximate the skin of the subject;a plurality of microneedles associated with the support structure for accessing the extractable medium from and/or through the skin of the subject at an access site;a pressure regulator supported by the support structure, able to create a pressure differential across the skin at at least a portion of the access site, wherein the pressure regulator comprises a vacuum chamber having an internal pressure less than atmospheric pressure before the device is applied to the skin of the subject;a sensor supported by the support structure, for determining at least one condition of the extractable medium from the subject;a signal generator supported by the support structure, for generating a signal relating to the condition of the medium determined by the sensor,wherein the support structure is constructed and arranged to move the plurality of microneedles into contact with the skin, and to withdrawal the plurality of microneedles from the skin after contact with the skin. 2. The device of claim 1, including an adhesive for adhesion of the support structure to the skin. 3. The device of claim 1, further comprising an extraction activator associated with the support structure which activates the plurality of microneedles, thereby extracting the medium from or through the skin of the subject. 4. The device of claim 3, wherein the extraction activator is placeable against the skin. 5. The device of claim 3, wherein the extraction activator is able to determine a force created when the device is placed against the skin. 6. The device of claim 3, wherein the support structure further comprises a microfluidic channel in fluidic communication with the extraction activator. 7. The device of claim 1, wherein the support structure further comprises a mechanical element for affixing the device to the skin. 8. The device of claim 1, wherein the support structure contains a recess containing the plurality of microneedles. 9. The device of claim 8, further comprising a controller for fluidly communicating the vacuum chamber with the recess. 10. The device of claim 1, wherein the device is able to withdraw fluid from the subject. 11. The device of claim 10, wherein the fluid comprises blood. 12. The device of claim 10, wherein the fluid comprises interstitial fluid. 13. The device of claim 10, wherein the device further comprises a storage compartment in fluidic communication with the plurality of microneedles. 14. The device of claim 13, further comprising a microfluidic channel fluidly communicating the vacuum chamber with the storage compartment. 15. The device of claim 14, wherein the microfluidic channel has a smaller cross-sectional area than the storage compartment. 16. The device of claim 1, wherein the device is able to determine an analyte contained within fluid withdrawn from the subject. 17. The device of claim 16, wherein the device is able to determine the analyte without subsequent removal of the device from the skin of the subject. 18. The device of claim 16, wherein the device is able to automatically determine the analyte. 19. The device of claim 16, wherein the device is able to display a result of the determination of the analyte. 20. The device of claim 1, wherein the device is able to deliver fluid to the subject via the plurality of microneedles. 21. The device of claim 1, wherein the plurality of microneedles comprises one or more solid microneedles. 22. The device of claim 1, wherein the plurality of microneedles comprises one or more hollow microneedles. 23. The device of claim 1, wherein the plurality of microneedles is immobilized relative to the support structure. 24. The device of claim 1, wherein the support structure is able to draw the skin of the subject towards the plurality of microneedles. 25. The device of claim 1, wherein the support structure is able to apply a vacuum to the skin. 26. The device of claim 1, wherein the plurality of microneedles is able to move relative to the support structure. 27. The device of claim 1, wherein the plurality of microneedles is activatable by the subject. 28. The device of claim 1, wherein the plurality of microneedles is activated upon applying the device to the skin. 29. The device of claim 1, the device further comprising a heater for applying heat to the skin. 30. The device of claim 1, the device further comprising a cooler for cooling the skin. 31. The device of claim 1, wherein the vacuum chamber does not have a variable volume. 32. A device for analysis of an extractable medium from the skin and/or from beneath the skin of a subject, the device comprising: a support structure constructed and arranged to be positioned proximate the skin of the subject;a fluid transporter for accessing the extractable medium from and/or through the skin of the subject at an access site, wherein the fluid transporter comprises a plurality of microneedles;a pressure regulator supported by the support structure, able to create a pressure differential across the skin at at least a portion of the access site, wherein the pressure regulator comprises a vacuum chamber having an internal pressure less than atmospheric pressure before the device is applied to the skin of the subject;a sensor supported by the support structure, for determining at least one condition of the extractable medium from the subject; anda signal generator supported by the support structure, for generating a signal relating to the condition of the medium determined by the sensor,wherein the support structure is constructed and arranged to move the plurality of microneedles into contact with the skin, and to withdrawal the plurality of microneedles from the skin after contact with the skin. 33. The device of claim 32, wherein the support structure contains a recess containing the plurality of microneedles. 34. The device of claim 33, further comprising a controller for fluidly communicating the vacuum chamber with the recess. 35. The device of claim 33, further comprising a microfluidic channel fluidly communicating the vacuum chamber with the recess. 36. The device of claim 32, wherein the device further comprises a storage compartment, separate from the vacuum chamber, in fluidic communication with the plurality of microneedles. 37. The device of claim 36, further comprising a microfluidic channel fluidly communicating the vacuum chamber with the storage compartment. 38. The device of claim 37, wherein the microfluidic channel has a smaller cross-sectional area than the storage compartment. 39. A device for analysis of an extractable medium from the skin and/or from beneath the skin of a subject, the device comprising: a plurality of microneedles for accessing the extractable medium from and/or through the skin of the subject at an access site;a support structure constructed and arranged to move the plurality of microneedles into contact with the skin, and to withdrawal the plurality of microneedles from the skin after contact with the skin;a pressure regulator, able to create a pressure differential across the skin at at least a portion of the access site, wherein the pressure regulator comprises a vacuum chamber having an internal pressure less than atmospheric pressure before the device is applied to the skin of the subject;a sensor for determining at least one condition of the extractable medium from the subject; anda signal generator for generating a signal relating to the condition of the medium determined by the sensor. 40. The device of claim 39, wherein the support structure contains a recess containing the plurality of microneedles. 41. The device of claim 40, further comprising a controller for fluidly communicating the vacuum chamber with the recess. 42. The device of claim 40, further comprising a microfluidic channel fluidly communicating the vacuum chamber with the recess. 43. The device of claim 39, wherein the device further comprises a storage compartment, separate from the vacuum chamber, in fluidic communication with the plurality of microneedles. 44. The device of claim 43, further comprising a microfluidic channel fluidly communicating the vacuum chamber with the storage compartment. 45. The device of claim 44, wherein the microfluidic channel has a smaller cross-sectional area than the storage compartment. 46. A device for analysis of an extractable medium from the skin and/or from beneath the skin of a subject, the device comprising: a plurality of microneedles for accessing the extractable medium from skin and/or from beneath the skin of the subject at an access site;a support structure constructed and arranged to move the plurality of microneedles into contact with the skin, and to withdrawal the plurality of microneedles from the skin after contact with the skin;a vacuum chamber able to create a pressure differential across the skin in at least a portion of the access site in the absence of a piston pump associated with the chamber, wherein the vacuum chamber has an internal pressure less than atmospheric pressure before the device is applied to the skin of the subject;a sensor for determining at least one condition of the extractable medium from the subject; anda signal generator for generating a signal relating to the condition of the medium determined by the sensor. 47. The device of claim 46, wherein the support structure contains a recess containing the plurality of microneedles. 48. The device of claim 47, further comprising a controller for fluidly communicating the vacuum chamber with the recess. 49. The device of claim 47, further comprising a microfluidic channel fluidly communicating the vacuum chamber with the recess. 50. The device of claim 46, wherein the device further comprises a storage compartment, separate from the vacuum chamber, in fluidic communication with the plurality of microneedles. 51. The device of claim 50, further comprising a microfluidic channel fluidly communicating the vacuum chamber with the storage compartment. 52. The device of claim 51, wherein the microfluidic channel has a smaller cross-sectional area than the storage compartment. 53. A method for analyzing an extractable medium from the skin and/or from beneath the skin of a subject, comprising: positioning an analysis device, comprising a pathway, adjacent the skin of the subject and, while the device is adjacent the skin:activating an access component of the device to connect the extractable medium with the pathway of the device using a plurality of microneedles, wherein the device moves the plurality of microneedles into the skin of the subject and withdraws the plurality of microneedles from the skin of the subject after contacting the plurality of microneedles with the skin;activating a pressure controller of the device to urge the extractable medium into the device via the pathway, wherein the pressure controller comprises a vacuum chamber having an internal pressure less than atmospheric pressure before the device is applied to the skin of the subject;exposing the medium to a sensor of the device and determining at least one condition of the extractable medium from the subject;generating a signal relating to the condition of the medium determined by the sensor. 54. The method of claim 53, wherein activating a pressure controller comprises activating the pressure controller to urge the extractable medium via the pathway into a storage compartment within the device, wherein the storage compartment is separate from the vacuum chamber. 55. The method of claim 53, wherein the pathway comprises a microfluidic channel.
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