CN111789600A - 一种超薄超灵敏血氧监测仪的结构 - Google Patents
一种超薄超灵敏血氧监测仪的结构 Download PDFInfo
- Publication number
- CN111789600A CN111789600A CN202010671167.6A CN202010671167A CN111789600A CN 111789600 A CN111789600 A CN 111789600A CN 202010671167 A CN202010671167 A CN 202010671167A CN 111789600 A CN111789600 A CN 111789600A
- Authority
- CN
- China
- Prior art keywords
- alloy
- light
- ultra
- blood oxygen
- light emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000008280 blood Substances 0.000 title claims abstract description 31
- 210000004369 blood Anatomy 0.000 title claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 28
- 239000001301 oxygen Substances 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000009459 flexible packaging Methods 0.000 claims abstract description 23
- 239000010410 layer Substances 0.000 claims description 47
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 22
- 229910021389 graphene Inorganic materials 0.000 claims description 20
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 10
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 238000004528 spin coating Methods 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 7
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims description 7
- -1 poly (p-phenylene vinylene) Polymers 0.000 claims description 7
- HXWWMGJBPGRWRS-CMDGGOBGSA-N 4- -2-tert-butyl-6- -4h-pyran Chemical compound O1C(C(C)(C)C)=CC(=C(C#N)C#N)C=C1\C=C\C1=CC(C(CCN2CCC3(C)C)(C)C)=C2C3=C1 HXWWMGJBPGRWRS-CMDGGOBGSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 230000005525 hole transport Effects 0.000 claims description 6
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229920000553 poly(phenylenevinylene) Polymers 0.000 claims description 6
- 229920000123 polythiophene Polymers 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 6
- 229920002050 silicone resin Polymers 0.000 claims description 6
- 238000004544 sputter deposition Methods 0.000 claims description 6
- 238000010023 transfer printing Methods 0.000 claims description 6
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 claims description 6
- 239000005022 packaging material Substances 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- DTZWGKCFKSJGPK-VOTSOKGWSA-N (e)-2-(2-methyl-6-(2-(1,1,7,7-tetramethyl-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinolin-9-yl)vinyl)-4h-pyran-4-ylidene)malononitrile Chemical compound O1C(C)=CC(=C(C#N)C#N)C=C1\C=C\C1=CC(C(CCN2CCC3(C)C)(C)C)=C2C3=C1 DTZWGKCFKSJGPK-VOTSOKGWSA-N 0.000 claims description 3
- UOOBIWAELCOCHK-BQYQJAHWSA-N 870075-87-9 Chemical compound O1C(C(C)C)=CC(=C(C#N)C#N)C=C1\C=C\C1=CC(C(CCN2CCC3(C)C)(C)C)=C2C3=C1 UOOBIWAELCOCHK-BQYQJAHWSA-N 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000952 Be alloy Inorganic materials 0.000 claims description 3
- 229910001152 Bi alloy Inorganic materials 0.000 claims description 3
- 229910000925 Cd alloy Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 229910000807 Ga alloy Inorganic materials 0.000 claims description 3
- 229910000846 In alloy Inorganic materials 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 3
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910001257 Nb alloy Inorganic materials 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 229910000978 Pb alloy Inorganic materials 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 3
- 229910001362 Ta alloys Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910001080 W alloy Inorganic materials 0.000 claims description 3
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 229920013822 aminosilicone Polymers 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920005604 random copolymer Polymers 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000001022 rhodamine dye Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 239000011135 tin Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000036541 health Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 208000031662 Noncommunicable disease Diseases 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
- A61B5/14552—Details of sensors specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Pulmonology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
本发明提出一种超薄超灵敏血氧监测仪的结构,所述监测仪的监测结构为一柔性封装片体;所述柔性封装片体的监测面中部为软质的发光件;所述发光件周围环绕设置软质的光电探测件;本发明结构新颖,探测区环绕发光区的结构设计能够减少光损耗,降低发光器件的功耗,提高探测器的灵敏度,同时将OLED和二维光电探测器结合,能极大地降低整个器件的厚度,器件的整体厚度小于微米,能够紧密地贴合人体皮肤,方便携带和使用。
Description
技术领域
本发明涉及监测仪器技术领域,尤其是一种超薄超灵敏血氧监测仪的结构。
背景技术
世界卫生组织(WHO)在《21世纪的挑战》报告中强调21世纪的医学,不应该继续以疾病为主要领域,应当以人的健康作为医学的主要发展方向。”非传染性慢病已经成为人类健康和生病的主要威胁,是当前社会面临的全球性医疗危机,如每年大约有1790万人死于心血管相关疾病,占全球死亡总数的31%。为了控制非传感性慢病的发展,医疗模式逐渐从以诊断为主转变为以预防为主,从住院治疗转变为日常预防和健康监控,通过器件与人体的有机集成,动态实时监测人体生理信息。然而,人体及其组织大多为非可展曲面,基于半导体材料的传统光电器件由于其刚性特性无法实现与人体的紧密贴合,在便利性和连续监测等关键问题上亟需突破。
柔性无机电子器件通过将无机功能单元集成在柔性衬底上,充分利用半导体器件的高性能和有机材料的柔性,使其具备了可延展柔性、共形贴合和生物兼容性。由于柔性无机电子器件在人体信号采集、管理和利用等方面的优势,其被广泛应用于健康监测领域,也涌现了大量原型器件。但是由于无机功能单元的存在,器件整体的厚度和柔性受到了一定的限制,这极大地影响了用户的体验和舒适性。同时,半导体加工设备昂贵,工艺复杂,制备时间长,不利于商业化发展。
现在市面上主要的产品是指夹式脉氧仪,这种测量仪器体积较大,对监测对象的稳定性的要求非常高,同时也有许多文献报道的柔性无机血氧探测器,能够贴合人体测量血氧。但是这些器件都是采用单个或几个微型探测器,只能接收到单一方向的反射光,LED发出的光经过人体血液组织反射后大部分都损耗了,并没有被探测器探测到。这无疑会降低器件的灵敏度,同时也不利于降低LED的功耗。如何改进血氧探测器的结构设计,提高器件的柔性和灵敏度是亟需解决的问题。
发明内容
本发明提出一种超薄超灵敏血氧监测仪的结构,结构新颖,探测区环绕发光区的结构设计能够减少光损耗,降低发光器件的功耗,提高探测器的灵敏度,同时将OLED和二维光电探测器结合,能极大地降低整个器件的厚度,器件的整体厚度小于微米,能够紧密地贴合人体皮肤,方便携带和使用。
本发明采用以下技术方案。
一种超薄超灵敏血氧监测仪的结构,所述监测仪的监测结构为一柔性封装片体;所述柔性封装片体的监测面中部为软质的发光件;所述发光件周围环绕设置软质的光电探测件。
所述发光件包括红光OLED发光件和红外光OLED发光件;所述红光OLED发光件、红外光OLED发光件并排设置或层叠设置于柔性封装片体的监测面中部;所述柔性封装片体的非监测面覆有软质的遮光层。
所述软质的光电探测件为环形的石墨烯光电探测器。
所述柔性封装片体以PDMS封装材料形成封装结构;所述遮光层以黑色胶带成型,所述红光OLED发光件和红外光OLED发光件均为多层结构的OLED器件。
所述柔性封装片体的厚度小于1微米;发光件俯视向面积小于1mm2,整个血氧仪面积小于1cm2,厚度在50nm-1000nm之间;
所述红光OLED发光件可发出波长为500-700nm的红光;所述红外光OLED发光件可发出波长为700-1000nm的红外光。
当所述监测仪监测被测人员血氧时,所述监测面紧贴于人体表面,所述石墨烯光电探测器与外部分析模块相连,所述红光OLED发光件和红外光OLED发光件按预设频次交替地向人体组织发射探测光;所述交替发射的探测光经人体组织反射后,形成可被环绕反射区的石墨烯光电探测器接收的监测信号;所述监测信号经外部分析模块分析后,可得到被测人员的血氧饱和度和脉搏参数。
所述监测结构的制备方法包括以下步骤;
步骤A1、在ITO薄膜上按顺序依次旋涂空穴传输层PEDOT:PSS、红色发光层DCJTB或红外光发光层NZ2TPA、电子传输层Alq3,然后溅射一层50nm的阴极Ca/Al,形成图案化的发光区来作为发光件使用;
步骤A2、在发光区***通过转印的方法制备圆环形的石墨烯探测材料,在圆环的内外边溅射一层金电极,形成圆环形探测区,作为软质的光电探测件使用;
步骤A3、在ITO薄膜背面粘贴一层黑色胶带形成遮光层;
步骤A4、正面旋涂一层PDMS溶液,在80摄氏度下固化2小时,完成柔性封装。
发光区的阳极或阴极通过磁控溅射或蒸镀方法制备;发光区的电子/空穴传输层、发光层、电子/空穴注入层通过旋涂方法制备,其中发光层采用罗丹明类染料、DCM、DCT、DCJT、DCJTB、 DCJTI、TPBD、Alq3及其衍生物、聚对苯乙炔(PPV)及其衍生物、聚噻吩(PT)及其衍生物、聚苯(PPP)及其衍生物这些材料中的一种或多种。
所述环形的石墨烯光电探测器为二维结构光电探测器,环形结构中间设置探测材料,探测材料为石墨烯、碳纳米管、黑磷、二硫化钼等二维材料或其混合材料,环形结构两边为金属材料电极或合金材料电极,其中金属材料可选用金、银、铂、钯、铝、镍、铜、钛、铬、锡、铁、锰、钼、钨或钒;合金材料可选用铝合金、钛合金、镁合金、铍合金、铜合金、锌合金、锰合金、镍合金、铅合金、锡合金、镉合金、铋合金、铟合金、镓合金、钨合金、钼合金、铌合金或钽合金;
环形结构中间的探测材料通过转印方法制备,环形结构两边的电极通过磁控溅射或蒸镀方法制备。
所述监测面处在发光件和光电探测件上覆有透明的柔性保护层,柔性保护层的材料可选用聚二甲基硅氧烷、脂肪族或芳香族无规共聚聚酯、聚丙烯酸酯、聚甲基硅树脂、氨基硅树脂或氟硅树脂;非监测面的遮光层材料可选用黑色遮光胶带或黑色铝箔。
本发明提出的一种超薄超灵敏血氧监测仪,整个监测仪结构新颖,探测区环绕发光区的结构设计能够减少光损失,降低发光器件的功耗,提高探测器的灵敏度,同时将OLED和二维光电探测器结合,能极大地降低整个器件的厚度,器件的整体厚度小于微米,能够紧密地贴合人体皮肤,方便携带和使用,同时还具备以下优点。
(1)具有超薄超轻的特性:本器件本身只有毫米级大小,微米级厚度,人体几乎感觉不到器件的存在。
(2)具备超高的监测灵敏度:本器件采用探测器环绕发光区的结构设计,发出的光经过血液组织反射后大部分都能被探测器探测到,提高了器件的灵敏度。
(3)超低的工作功耗:由于本器件工作时能紧密贴合人体,所以OLED的发光功率并不需要很高就可以获得较好的反射光信号,而且探测器环绕发光区的布局,进一步降低了器件工作的功耗。
附图说明
下面结合附图和具体实施方式对本发明进一步详细的说明:
附图1是本发明监测面的示意图;
附图2是本发明的结构示意图;
附图3是本发明的发光件的示意图;
附图4是本发明的使用示意图;
图中:1-发光件;2-光电探测件;3-封装结构;4-红光OLED发光件;5-红外光OLED发光件;6-遮光层;7-监测面;8-非监测面;9-人体组织。
具体实施方式
如图1-4所示,一种超薄超灵敏血氧监测仪的结构,所述监测仪的监测结构为一柔性封装片体;所述柔性封装片体的监测面7中部为软质的发光件1;所述发光件周围环绕设置软质的光电探测件2。
所述发光件包括红光OLED发光件4和红外光OLED发光件5;所述红光OLED发光件、红外光OLED发光件并排设置或层叠设置于柔性封装片体的监测面中部;所述柔性封装片体的非监测面8覆有软质的遮光层6。
所述软质的光电探测件为环形的石墨烯光电探测器。
所述柔性封装片体以PDMS封装材料形成封装结构3;所述遮光层以黑色胶带成型,所述红光OLED发光件和红外光OLED发光件均为多层结构的OLED器件。
所述柔性封装片体的厚度小于1微米;发光件俯视向面积小于1mm2,整个血氧仪面积小于1cm2,厚度在50nm-1000nm之间;
所述红光OLED发光件可发出波长为500-700nm的红光;所述红外光OLED发光件可发出波长为700-1000nm的红外光。
当所述监测仪监测被测人员血氧时,所述监测面紧贴于人体表面,所述石墨烯光电探测器与外部分析模块相连,所述红光OLED发光件和红外光OLED发光件按预设频次交替地向人体组织9发射探测光;所述交替发射的探测光经人体组织反射后,形成可被环绕反射区的石墨烯光电探测器接收的监测信号;所述监测信号经外部分析模块分析后,可得到被测人员的血氧饱和度和脉搏参数。
所述监测结构的制备方法包括以下步骤;
步骤A1、在ITO薄膜上按顺序依次旋涂空穴传输层PEDOT:PSS、红色发光层DCJTB或红外光发光层NZ2TPA、电子传输层Alq3,然后溅射一层50nm的阴极Ca/Al,形成图案化的发光区来作为发光件使用;
步骤A2、在发光区***通过转印的方法制备圆环形的石墨烯探测材料,在圆环的内外边溅射一层金电极,形成圆环形探测区,作为软质的光电探测件使用;
步骤A3、在ITO薄膜背面粘贴一层黑色胶带形成遮光层;
步骤A4、正面旋涂一层PDMS溶液,在80摄氏度下固化2小时,完成柔性封装。
发光区的阳极或阴极通过磁控溅射或蒸镀方法制备;发光区的电子/空穴传输层、发光层、电子/空穴注入层通过旋涂方法制备,其中发光层采用罗丹明类染料、DCM、DCT、DCJT、DCJTB、 DCJTI、TPBD、Alq3及其衍生物、聚对苯乙炔(PPV)及其衍生物、聚噻吩(PT)及其衍生物、聚苯(PPP)及其衍生物这些材料中的一种或多种。
所述环形的石墨烯光电探测器为二维结构光电探测器,环形结构中间设置探测材料,探测材料为石墨烯、碳纳米管、黑磷、二硫化钼等二维材料或其混合材料,环形结构两边为金属材料电极或合金材料电极,其中金属材料可选用金、银、铂、钯、铝、镍、铜、钛、铬、锡、铁、锰、钼、钨或钒;合金材料可选用铝合金、钛合金、镁合金、铍合金、铜合金、锌合金、锰合金、镍合金、铅合金、锡合金、镉合金、铋合金、铟合金、镓合金、钨合金、钼合金、铌合金或钽合金;
环形结构中间的探测材料通过转印方法制备,环形结构两边的电极通过磁控溅射或蒸镀方法制备。
所述监测面处在发光件和光电探测件上覆有透明的柔性保护层,柔性保护层的材料可选用聚二甲基硅氧烷、脂肪族或芳香族无规共聚聚酯、聚丙烯酸酯、聚甲基硅树脂、氨基硅树脂或氟硅树脂;非监测面的遮光层材料可选用黑色遮光胶带或黑色铝箔。
所述发光件俯视向呈圆形、方形、三角形或其它多边形结构,发光件与环形的石墨烯光电探测器之间设有间隔。
实施例:
监测面的中间圆形区域为发光区,直径为1mm,发光区左边部位为红光OLED,发光区右边部位为红外光OLED。
发光区周围一圈圆环为石墨烯光电探测器,外径为8mm,内径为1mm,采用PDMS封装材料,遮光层为黑色胶带,器件整体厚度500nm。
在工作时,在一段时间内(3s左右),红光OLED发光,发出的光进入人体血液组织中,经过反射后被各个方向的石墨烯光电探测器接收到,之后3s内红外光OLED发光,发出的光经过反射后同样被探测器接收到,两种红光/红外光交替发光,探测器接收到的光信号包含血氧和脉搏信息,通过分析处理可以得到血氧饱和度和脉搏参数。
需要说明的是,在附图或说明书描述中,相似或相同的部分都使用相同的图号。附图中未绘示或描述的实现方式,为所属技术领域中普通技术人员所知的形式。另外,虽然本文可提供包含特定值的参数的示范,但应了解,参数无需确切等于相应的值,而是可在可接受的误差容限或设计约束内近似于相应的值。实施例中提到的方向用语,例如“上”、“下”、“前”、“后”、“左”、“右”等,仅是参考附图的方向,并非用来限制本发明的保护范围。
以上所述的具体实施例,对本发明的目的、技术方案和有益效果进行了进一步详细说明,应理解的是,以上所述仅为本发明的具体实施例而已,并不用于限制本发明,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种超薄超灵敏血氧监测仪的结构,其特征在于:所述监测仪的监测结构为一柔性封装片体;所述柔性封装片体的监测面中部为软质的发光件;所述发光件周围环绕设置软质的光电探测件。
2.根据权利要求1所述的一种超薄超灵敏血氧监测仪的结构,其特征在于:所述发光件包括红光OLED发光件和红外光OLED发光件;所述红光OLED发光件、红外光OLED发光件并排设置或层叠设置于柔性封装片体的监测面中部;所述柔性封装片体的非监测面覆有软质的遮光层。
3.根据权利要求2所述的一种超薄超灵敏血氧监测仪的结构,其特征在于:所述软质的光电探测件为环形的石墨烯光电探测器。
4.根据权利要求3所述的一种超薄超灵敏血氧监测仪的结构,其特征在于:所述柔性封装片体以PDMS封装材料形成封装结构;所述遮光层以黑色胶带成型,所述红光OLED发光件和红外光OLED发光件均为多层结构的OLED器件。
5.根据权利要求3所述的一种超薄超灵敏血氧监测仪的结构,其特征在于:所述柔性封装片体的厚度小于1微米;发光件俯视向面积小于1mm2,整个血氧仪面积小于1cm2,厚度在50nm-1000nm之间;
所述红光OLED发光件可发出波长为500-700nm的红光;所述红外光OLED发光件可发出波长为700-1000nm的红外光。
6.根据权利要求3所述的一种超薄超灵敏血氧监测仪的结构,其特征在于:当所述监测仪监测被测人员血氧时,所述监测面紧贴于人体表面,所述石墨烯光电探测器与外部分析模块相连,所述红光OLED发光件和红外光OLED发光件按预设频次交替地向人体组织发射探测光;所述交替发射的探测光经人体组织反射后,形成可被环绕反射区的石墨烯光电探测器接收的监测信号;所述监测信号经外部分析模块分析后,可得到被测人员的血氧饱和度和脉搏参数。
7.根据权利要求4所述的一种超薄超灵敏血氧监测仪的结构,其特征在于:所述监测结构的制备方法包括以下步骤;
步骤A1、在ITO薄膜上按顺序依次旋涂空穴传输层PEDOT:PSS、红色发光层DCJTB或红外光发光层NZ2TPA、电子传输层Alq3,然后溅射一层50nm的阴极Ca/Al,形成图案化的发光区来作为发光件使用;
步骤A2、在发光区***通过转印的方法制备圆环形的石墨烯探测材料,在圆环的内外边溅射一层金电极,形成圆环形探测区,作为软质的光电探测件使用;
步骤A3、在ITO薄膜背面粘贴一层黑色胶带形成遮光层;
步骤A4、正面旋涂一层PDMS溶液,在80摄氏度下固化2小时,完成柔性封装。
8. 根据权利要求3所述的一种超薄超灵敏血氧监测仪的结构,其特征在于:发光区的阳极或阴极通过磁控溅射或蒸镀方法制备;发光区的电子/空穴传输层、发光层、电子/空穴注入层通过旋涂方法制备,其中发光层采用罗丹明类染料、DCM、DCT、DCJT、DCJTB、 DCJTI、TPBD、Alq3及其衍生物、聚对苯乙炔(PPV)及其衍生物、聚噻吩(PT)及其衍生物、聚苯(PPP)及其衍生物这些材料中的一种或多种。
9.根据权利要求3所述的一种超薄超灵敏血氧监测仪的结构,其特征在于:所述环形的石墨烯光电探测器为二维结构光电探测器,环形结构中间设置探测材料,探测材料为石墨烯、碳纳米管、黑磷、二硫化钼等二维材料或其混合材料,环形结构两边为金属材料电极或合金材料电极,其中金属材料可选用金、银、铂、钯、铝、镍、铜、钛、铬、锡、铁、锰、钼、钨或钒;合金材料可选用铝合金、钛合金、镁合金、铍合金、铜合金、锌合金、锰合金、镍合金、铅合金、锡合金、镉合金、铋合金、铟合金、镓合金、钨合金、钼合金、铌合金或钽合金;
环形结构中间的探测材料通过转印方法制备,环形结构两边的电极通过磁控溅射或蒸镀方法制备。
10.根据权利要求3所述的一种超薄超灵敏血氧监测仪的结构,其特征在于:所述监测面处在发光件和光电探测件上覆有透明的柔性保护层,柔性保护层的材料可选用聚二甲基硅氧烷、脂肪族或芳香族无规共聚聚酯、聚丙烯酸酯、聚甲基硅树脂、氨基硅树脂或氟硅树脂;非监测面的遮光层材料可选用黑色遮光胶带或黑色铝箔。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010671167.6A CN111789600A (zh) | 2020-07-13 | 2020-07-13 | 一种超薄超灵敏血氧监测仪的结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010671167.6A CN111789600A (zh) | 2020-07-13 | 2020-07-13 | 一种超薄超灵敏血氧监测仪的结构 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111789600A true CN111789600A (zh) | 2020-10-20 |
Family
ID=72808519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010671167.6A Pending CN111789600A (zh) | 2020-07-13 | 2020-07-13 | 一种超薄超灵敏血氧监测仪的结构 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111789600A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115101608A (zh) * | 2022-06-16 | 2022-09-23 | 中国科学院半导体研究所 | 石墨烯红外探测器 |
CN116035570A (zh) * | 2022-04-12 | 2023-05-02 | 闽江学院 | 一种贴合耳垂的可拉伸生理监测仪及其方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140012103A1 (en) * | 2012-07-09 | 2014-01-09 | National University Corporation Hokkaido University | Light absorption coefficient distribution estimation device, concentration measurement device, and method for controlling light absorption coefficient distribution estimation device |
CN203388865U (zh) * | 2013-07-19 | 2014-01-15 | 广州市思创泓一电子科技有限公司 | 血氧饱和度传感器 |
WO2015126154A1 (ko) * | 2014-02-21 | 2015-08-27 | 이동화 | 생체신호 감지장치 |
CN105891136A (zh) * | 2015-02-13 | 2016-08-24 | 台医光电科技股份有限公司 | 多点测量配件、多点测量装置与多点测量*** |
US20170156651A1 (en) * | 2014-07-24 | 2017-06-08 | The Regents Of The University Of California | Reflectance based pulse oximetry systems and methods |
CN108463890A (zh) * | 2015-10-28 | 2018-08-28 | 诺基亚技术有限公司 | 基于光的传感器装置及相关的方法 |
CN109394235A (zh) * | 2018-11-27 | 2019-03-01 | 浙江清华柔性电子技术研究院 | 柔性血氧传感器及其制作方法 |
US20190313954A1 (en) * | 2018-03-30 | 2019-10-17 | Korea Advanced Institute Of Science And Technology | Bio-information detecting sensor |
-
2020
- 2020-07-13 CN CN202010671167.6A patent/CN111789600A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140012103A1 (en) * | 2012-07-09 | 2014-01-09 | National University Corporation Hokkaido University | Light absorption coefficient distribution estimation device, concentration measurement device, and method for controlling light absorption coefficient distribution estimation device |
CN203388865U (zh) * | 2013-07-19 | 2014-01-15 | 广州市思创泓一电子科技有限公司 | 血氧饱和度传感器 |
WO2015126154A1 (ko) * | 2014-02-21 | 2015-08-27 | 이동화 | 생체신호 감지장치 |
US20170156651A1 (en) * | 2014-07-24 | 2017-06-08 | The Regents Of The University Of California | Reflectance based pulse oximetry systems and methods |
CN105891136A (zh) * | 2015-02-13 | 2016-08-24 | 台医光电科技股份有限公司 | 多点测量配件、多点测量装置与多点测量*** |
CN108463890A (zh) * | 2015-10-28 | 2018-08-28 | 诺基亚技术有限公司 | 基于光的传感器装置及相关的方法 |
US20190313954A1 (en) * | 2018-03-30 | 2019-10-17 | Korea Advanced Institute Of Science And Technology | Bio-information detecting sensor |
CN109394235A (zh) * | 2018-11-27 | 2019-03-01 | 浙江清华柔性电子技术研究院 | 柔性血氧传感器及其制作方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116035570A (zh) * | 2022-04-12 | 2023-05-02 | 闽江学院 | 一种贴合耳垂的可拉伸生理监测仪及其方法 |
CN115101608A (zh) * | 2022-06-16 | 2022-09-23 | 中国科学院半导体研究所 | 石墨烯红外探测器 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Yokota et al. | Recent progress of flexible image sensors for biomedical applications | |
Lee et al. | Standalone real-time health monitoring patch based on a stretchable organic optoelectronic system | |
Ha et al. | Wearable and flexible sensors for user-interactive health-monitoring devices | |
CN111789600A (zh) | 一种超薄超灵敏血氧监测仪的结构 | |
Liu et al. | Recent progress in tactile sensors and their applications in intelligent systems | |
Polat et al. | Flexible graphene photodetectors for wearable fitness monitoring | |
Ryu et al. | Flexible and printed PPG sensors for estimation of drowsiness | |
Khan et al. | Monitoring of vital signs with flexible and wearable medical devices | |
US10548519B2 (en) | Reflectance based pulse oximetry systems and methods | |
Lan et al. | Recent advances in solution‐processable organic photodetectors and applications in flexible electronics | |
JP2009231577A (ja) | 有機薄膜受発光素子、及びその受発光素子を用いた脈拍センサ | |
US20040227097A1 (en) | Device to measure a radiation dose | |
Lee et al. | Sticker-type hybrid photoplethysmogram monitoring system integrating CMOS IC with organic optical sensors | |
US20180116525A1 (en) | Flexible, non-invasive real-time hematoma monitoring system using near-infrared spectroscopy | |
JP2019537738A (ja) | 直接変換型放射線検出器 | |
CN104414674A (zh) | 有机x射线检测器组合件其制作方法 | |
WO2013190434A1 (en) | Radiation detector with an organic photodiode | |
CN115003212A (zh) | 具有集成显示器的健康和生命体征监测环及其制造 | |
Ku et al. | Smart sensing systems using wearable optoelectronics | |
Dcosta et al. | Recent Progress in Flexible and Wearable All Organic Photoplethysmography Sensors for SpO2 Monitoring | |
Anabestani et al. | Advances in flexible organic photodetectors: Materials and applications | |
WO2018202465A1 (en) | Multi-layer radiation detector | |
Yokota et al. | Air‐Stable Ultra‐Flexible Organic Photonic System for Cardiovascular Monitoring | |
Wu et al. | Flexible photoplethysmographic sensing devices for intelligent medical treatment | |
Mao et al. | Stretchable photodiodes with polymer-engineered semiconductor nanowires for wearable photoplethysmography |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201020 |