Sampling devices and methods involving relatively little pain
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-005/00
A61B-017/14
A61B-017/32
A61M-037/00
A61B-005/15
A61B-005/151
A61B-005/157
A61B-010/02
A61B-017/00
A61B-005/145
A61B-005/1455
A61B-005/1468
A61B-005/154
출원번호
US-0166451
(2011-06-22)
등록번호
US-9033898
(2015-05-19)
발명자
/ 주소
Chickering, III, Donald E.
Bernstein, Howard
Davis, Shawn
Haghgooie, Ramin
Levinson, Douglas A.
Michelman, Mark
Gong, Ping
출원인 / 주소
Seventh Sense Biosystems, Inc.
대리인 / 주소
Wolf, Greenfield & Sacks, P.C.
인용정보
피인용 횟수 :
9인용 특허 :
280
초록▼
Systems and methods for delivering and/or receiving a substance or substances, such as blood, from subjects. In one embodiment, devices and methods for receiving blood from a subject employ devices including a substance transfer component (such as one or more microneedles), and a storage chamber hav
Systems and methods for delivering and/or receiving a substance or substances, such as blood, from subjects. In one embodiment, devices and methods for receiving blood from a subject employ devices including a substance transfer component (such as one or more microneedles), and a storage chamber having an internal pressure less than atmospheric pressure prior to receiving blood. In certain embodiments, substances may be received from and/or delivered to the subject with relatively little pain. The pain may be assessed, for example, using pain scales such as the WONG BAKER FACES Pain Scale. The device may be self-contained, applied to the skin, and activated to receive blood from the subject. The device, or a portion thereof, may be processed to determine the blood and/or an analyte within the blood using sensors or agents in the device or an external apparatus. Other aspects of the present invention are directed at other devices for receiving bodily fluids kits involving such devices, methods of making such devices, methods of using such devices, and the like.
대표청구항▼
1. A device for receiving blood or other substance from the skin of a subject, the device comprising: a housing;a device actuator;a substance transfer component including an opening for receiving blood from the skin of the subject, the substance transfer component also including at least three needl
1. A device for receiving blood or other substance from the skin of a subject, the device comprising: a housing;a device actuator;a substance transfer component including an opening for receiving blood from the skin of the subject, the substance transfer component also including at least three needles having a length of 500-1500 microns, the needles being moveable relative to the housing such that actuation of the device actuator moves the needles relative to the housing;a self-contained, sealed vacuum chamber containing a vacuum prior to movement of any component of the device relative to the housing during use of the device for receiving blood or other substance from the subject;a flow path between the vacuum chamber and the at least three needles of the substance transfer component;a flow controller to control fluid communication along the flow path; anda vacuum actuation component configured to open the flow controller to enable fluid communication through the flow path, the vacuum actuation component being distinct from the at least three needles,wherein the device actuator is positioned at least partially in the vacuum chamber, wherein the device is constructed and arranged to insert at least a portion of the needles into the skin, and to apply vacuum from the vacuum chamber to the skin to receive blood from the subject,and wherein an average pain indication experienced from a 10 microliter blood sampling using the device is less than an average pain indication experienced from a 10 microliter blood sampling using a standard spring-loaded 21-gauge retractable finger lancet, wherein both average pain indications are measured from at least 10 subjects using the WONG-BAKER FACES Pain Scale. 2. The device of claim 1, wherein the device is constructed and arranged to insert at least a portion of the substance transfer component into the skin, and to receive blood from the subject, with an average pain indication over at least 10 subjects, from prior to insertion into the skin of the subject through receiving of at least 10 microliters of blood from the subject, of significantly less than the pain experienced from a blood sampling using a standard spring-loaded 23-gauge retractable finger lancet. 3. The device of claim 1, wherein the device is constructed and arranged to insert at least a portion of the substance transfer component into the skin, and to receive blood from the subject, with an average pain indication over at least 10 subjects, from prior to insertion into the skin of the subject through receiving of at least 10 microliters of blood from the subject, of significantly less than the pain experienced from a blood sampling using a standard spring-loaded 25-gauge retractable finger lancet. 4. The device of claim 1, wherein the device is constructed and arranged to insert at least a portion of substance transfer component into the skin, and to receive blood from the subject, with an average pain indication over at least 10 subjects, from prior to insertion into the skin of the subject through receiving of at least 10 microliters of blood from the subject, of significantly less than the pain experienced from a blood sampling using a standard spring-loaded 28-gauge retractable finger lancet. 5. The device of claim 4, wherein an average pain indication experienced from a 1-microliter blood sampling using the device is at least 70% less painful than an average pain indication experienced from a blood sampling using the standard 28-gauge retractable finger lancet, wherein both average pain indications are measured from at least 10 subjects using the WONG-BAKER FACES Pain Scale. 6. The device of claim 1, wherein the device is constructed and arranged to insert at least a portion of substance transfer component into the skin, and to receive blood from the subject, with an average pain indication over at least 10 subjects, from prior to insertion into the skin of the subject through receiving of at least 10 microliters of blood from the subject, of significantly less than the pain experienced from a blood sampling using a standard spring-loaded 33-gauge retractable finger lancet. 7. The device of claim 1, wherein the needles are arranged for an insertion depth into skin of 500 to 1250 micrometers. 8. The device of claim 1, wherein the substance transfer component includes 4 to 28 needles. 9. The device of claim 8, wherein the needles are arranged in an array where no two needles are closer than 0.1 mm. 10. The device of claim 1, wherein the device further comprises a deployment actuator including a snap dome arranged to insert the needles into skin. 11. The device of claim 1, wherein the device is arranged to receive at least 50 microliters of blood. 12. The device of claim 1, wherein the at least 3 needles are arranged in a circular array. 13. The device of claim 1, wherein the device further comprises a storage chamber arranged to receive blood received from the skin. 14. The device of claim 13, wherein the device actuator includes a button which is pressable to cause insertion of the needles into skin. 15. The device of claim 14, wherein the button is pressable to cause the vacuum chamber to evacuate the storage chamber and reduce pressure on skin below the needles. 16. The device of claim 1, further comprising a deployment actuator including a snap dome arranged to insert the needles into skin. 17. The device of claim 1, wherein the flow controller comprises a pierceable seal. 18. The device of claim 1, wherein the flow controller comprises a valve. 19. A device for receiving blood or other substance from the skin of a subject, the device comprising: a housing;a device actuator;a substance transfer component including an opening for receiving blood or other substance from the skin of the subject, the substance transfer component also including at least three needles having a length of 500-1500 microns, the needles being moveable relative to the housing such that actuation of the device actuator moves the needles relative to the housing;a self-contained, sealed vacuum chamber containing a vacuum prior to movement of any component of the device relative to the housing during use of the device for receiving blood or other substance from the subject;a flow path between the vacuum chamber and the at least three needles of the substance transfer component; anda flow controller configured to control fluid communication along the flow path;wherein the device is constructed and arranged to insert at least a portion of the needles into the skin, and to apply the vacuum from the vacuum chamber to the skin to receive blood from the subject,and wherein an average pain indication experienced from a 10 microliter blood sampling using the device is no more than 25% of the highest pain indication as measured from the lowest pain indication to the highest pain indication according to at least one of the following pain scales: the WONG BAKER FACES Pain Scale, the Visual Analog Pain Scale, or the Numerical Pain Rating Scale. 20. The device of claim 19, wherein at least one of the needles comprises a microneedle for insertion into the skin of the subject, wherein at full insertion into the skin, the microneedle has an insertion depth of at least 200 microns and a cross-sectional area, at the surface of the skin, of at least 2500 square microns. 21. The device of claim 19, wherein the needles are arranged for an insertion depth into skin of 500 to 1250 micrometers. 22. The device of claim 19, wherein the substance transfer component includes 4 to 28 needles. 23. The device of claim 22, wherein the needles are arranged in an array where no two needles are closer than 0.1 mm. 24. The device of claim 19, wherein the device further comprises a deployment actuator including a snap dome arranged to insert the needles into skin. 25. The device of claim 19, wherein the device is arranged to receive at least 50 microliters of blood. 26. The device of claim 19, wherein the at least 3 needles are arranged in a circular array. 27. The device of claim 19, wherein the device further comprises a storage chamber arranged to receive blood received from the skin. 28. The device of claim 27, wherein the device actuator includes a button which is pressable to cause insertion of the needles into skin. 29. The device of claim 28, wherein the button is pressable to cause the vacuum chamber to evacuate the storage chamber and reduce pressure on skin below the needles. 30. The device of claim 27, further comprising a deployment actuator including a snap dome arranged to insert the needles into skin. 31. The device of claim 19, wherein the flow controller comprises a pierceable seal. 32. The device of claim 19, wherein the flow controller comprises a valve. 33. A device for receiving blood or other substance from the skin of a subject, the device comprising: a housing;a device actuator;a substance transfer component including an opening for receiving blood from the skin of the subject, the substance transfer component also including at least three needles having a length of 500-1500 microns, the needles being moveable relative to the housing such that actuation of the device actuator moves the needles relative to the housing;a self-contained, sealed vacuum chamber containing a vacuum prior to movement of any component of the device relative to the housing during use of the device for receiving blood or other substance from the subject;a flow controller to control flow in a flow path between the opening and the vacuum chamber;a flexible structure sealingly separating the opening from the vacuum chamber, the at least three needles being mounted on the flexible structure such that movement of the flexible structure relative to the housing causes the needles to move with the flexible structure relative to the housing,wherein the device is constructed and arranged to insert at least a portion of the needles into the skin, and to apply vacuum from the vacuum chamber to the skin to receive blood from the subject,and wherein an average pain indication experienced from a 10 microliter blood sampling using the device is no more than 25% of the highest pain indication as measured from the lowest pain indication to the highest pain indication according to at least one of the following pain scales: the WONG BAKER FACES Pain Scale, the Visual Analog Pain Scale, or the Numerical Pain Rating Scale. 34. The device of claim 14, wherein the button is moveable relative to the housing and extends through a wall of the housing and into the vacuum chamber.
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