US009500635B2
`
`(12) United States Patent
`US 9,500,635 B2
`Islam
`(45) Date of Patent:
`*Nov. 22, 2016
`
`(10) Patent No.:
`
`(54)
`
`SHORT-WAVE INFRARED
`SUPER-CONTINUUM LASERS FOR EARLY
`DETECTION OF DENTAL CARIES
`
`(71) Applicant: OMNI MEDSCI, INC., Ann Arbor, MI
`(US)
`
`USPC .......................................................... 356/300
`See application file for complete search history.
`
`(56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`
`(72)
`
`Inventor: Mohammed N. Islam, Ann Arbor, MI
`(US)
`
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`
`12/1977 Ashkin et a1.
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`
`(73) Assignee: OMNI MEDSCI, INC., Ann Arbor, MI
`(US)
`
`( * ) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`This patent is subject to a terminal dis-
`claimer.
`
`(21) Appl. No.:
`
`14/651,367
`
`(22) PCT Filed:
`
`Dec. 17, 2013
`
`(86) PCT No.:
`
`PCT/US2013/075736
`
`§ 371 (0X1),
`(2) Date:
`
`Jun. 11, 2015
`
`(87) PCT Pub. No.: W02014/105521
`
`PCT Pub. Date: Jul. 3, 2014
`
`(65)
`
`Prior Publication Data
`
`Oct. 29, 2015
`US 2015/0305627 A1
`Related US. Application Data
`
`(60) Provisional application No. 61/747,477, filed on Dec.
`31, 2012, provisional application No. 61/754,698,
`filed on ]an. 21, 2013.
`
`(51)
`
`Int. Cl.
`G01] 3/00
`G01N 33/15
`
`(2006.01)
`(2006.01)
`(Continued)
`
`(52) US. Cl.
`CPC ............. G01N 33/15 (2013.01); A613 5/0013
`(2013.01); A613 5/0022 (2013.01);
`(Continued)
`
`(58) Field of Classification Search
`CPC ................ G01] 3/02; G01] 3/28; G01] 3/42;
`G01N 21/31; G01N 21/552
`
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`DE
`EP
`
`102010012987 A1
`1148666
`
`10/2010
`10/2001
`
`(Continued)
`
`OTHER PUBLICATIONS
`
`Pan, Yingtian, et a1., “Hand-held arthroscopic optical coherence
`tomography for in vivo high-resolution imaging of articular carti-
`lage”, Journal of Biomedical Optics 8(4), Oct. 2003, pp. 648-654.
`(Continued)
`
`Primary Examiner 7 Tarifur Chowdhury
`Assistant Examiner 7 Md M Rahman
`
`(74) Attorney, Agent, or Firm 7 Brooks Kushman PC.
`
`(57)
`
`ABSTRACT
`
`A system and method for using near-infrared or short-wave
`infrared (SWIR) sources such as lamps, thermal sources,
`LED’s,
`laser diodes, super-luminescent laser diodes, and
`super-continuum light sources for early detection of dental
`caries measure transmission and/or reflectance. In the SWIR
`wavelength range, solid, intact teeth may have a low reflec-
`tance or high transmission with very few spectral features
`while a carious region exhibits more scattering, so the
`reflectance increases in amplitude. The spectral dependence
`of the transmitted or reflected light from the tooth may be
`used to detect and quantify the degree of caries. Instruments
`for applying SWIR light to one or more teeth may include
`a C-clamp design, a mouth guard design, or hand-held
`devices that may augment other dental tools. The measure-
`ment device may communicate with a smart phone or tablet,
`which may transmit a related signal to the cloud, where
`additional value-added services are performed.
`
`18 Claims, 15 Drawing Sheets
`
`900
`
`
`
`905
`
`
`
`
`
`
`
`
`
`
`
`
`PRE-AMP
`POWER-AMP
`
`
`906
`
`902
`
`Page 1
`
`OMNI 2020 - |PR20-00209
`
`Page 1
`
`OMNI 2020 - IPR20-00209
`
`

`

`US 9,500,635 B2
`
`Page 2
`
`(51)
`
`(2006.01)
`200601
`(
`~
`)
`(2006.01)
`(2006.01)
`(200601)
`(201401)
`(2006.01)
`(200601)
`(388281)
`(
`~
`)
`(2006.01)
`
`Int. Cl.
`A613 5/1455
`A613 5/00
`G01] 3/10
`G01] 3/28
`“113/453
`G01N 21/359
`A613 5/145
`G01N 33/49
`213;; :33
`G01J3/18
`(52) U_S_ CL
`CPC .......... A613 5/0075 (2013.01); A613 5/0086
`(2013.01); A613 5/0088 (2013.01); A613
`5/1455 (2013.01); A613 5/14532 (2013.01);
`A613 5/14546 (2013.01); A613 5/4547
`(201301); G01] 3/108 (2013.01); G01] 3/28
`(201301); GOIJ3/453 (2013.01); G01N
`21/359 (2013.01); G01N 33/49 (2013.01);
`A6IB 2562/0233 (2013.01); A6IB 2562/0238
`(2013.01); A613 2562/146 (2013.01); A613
`2576/02 (2013.01); G01J3/14 (2013.01);
`G01J3/1838 (2013.01); G01J 2003/104
`(2013.01); G01] 2003/2826 (2013.01); G01N
`2201/06] (2013.01); G01N 2201/12 (2013.01);
`H015 3/302 (2013.01)
`
`(56)
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`OMNI 2020 - IPR20-00209
`
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