a2) United States Patent
`US 9,500,635 B2
`(10) Patent No.:
`
` Islam (45) Date of Patent: *Nov. 22, 2016
`
`
`US009500635B2
`
`(54)
`
`(72)
`
`SHORT-WAVE INFRARED
`SUPER-CONTINUUM LASERS FOR EARLY
`DETECTION OF DENTAL CARIES
`(71) Applicant: OMNI MEDSCL, INC., Ann Arbor, MI.
`(US)
`Inventor: MohammedN.Islam, Ann Arbor, MI
`(US)
`(73) Assignee: OMNI MEDSCI, INC., Ann Arbor, MI
`(US)
`Subject to any disclaimer, the term ofthis
`patent is extended or adjusted under 35
`US.C. 154(b) by 0 days.
`
`(*) Notice:
`
`USPC wiecesssesctesseseseseecssseecsnecensensseseeansentes 356/300
`See application file for complete search history.
`
`56
`©°
`
`Refe
`Cited
`eeeww
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`4,158,750 A
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`Sakoeet al.
`(Continued)
`
`DE
`EP
`
`FOREIGN PATENT DOCUMENTS
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`
`This patent is subject to a terminal dis-
`claimer.
`
`(Continued)
`
`14/651,367
`Dec. 17, 2013
`PCT/US2013/075736
`
`(21) Appl. No.:
`(22) PCT Filed:
`.
`(86) PCT No.:
`§ 371 ©)(),
`Jun. 11, 2015
`(2) Date:
`(87) PCT Pub. No.: WO2014/105521
`PCT Pub. Date: Jul. 3, 2014
`WE MSs
`Prior Publication Data
`US 2015/0305627 Al
`Oct. 29, 2015
`Related U.S. Application Data
`,
`(60) Provisional application No. 61/747,477, filed on Dec.
`31, 2012, provisional application No. 61/754,698,
`filed on Jan. 21, 2013.
`
`(65)
`
`(51)
`
`Int. Cl.
`GOIJ 3/00
`GOIN 33/15
`
`(2006.01)
`(2006.01)
`(Continued)
`
`(52) U.S. CL
`CPC wee GOIN 33/15 (2013.01); A6IB 5/0013
`(2013.01); A61B 5/0022 (2013.01);
`(Continued)
`.
`.
`.
`(58) Field of Classification Search
`CPC wees GO1J 3/02; GO1J 3/28; GO1J 3/42;
`GOIN 21/31; GOIN 21/552
`
`OTHER PUBLICATIONS
`Pan, Yingtian, et al., “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 — Tarifur Chowdhury
`Assistant Examiner — Md M Rahman
`(74) Attorney, Agent, or Firm — Brooks Kushman P.C.
`
`ABSTRACT
`67)
`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 phoneortablet,
`which may transmit a related signal to the cloud, where
`additional value-added services are performed.
`
`18 Claims, 15 Drawing Sheets
`
`900
`
`
`
`
`
`
`
`
`
`
`
`
`PRE-AMP
`POWER-AMP
`
`
`906
`
`902
`
`Page 1
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`OMNI 2020 - IPR20-00209
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`

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`US 9,500,635 B2
`
`Page 2
`
`(51)
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`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`(2014.01)
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`
`Int. Cl.
`A61B 5/1455
`AG6IB 5/00
`GOTT 3/10
`GOLS 3/28
`GOLJ 3/453
`GOIN 21/359
`AGIB 5/145
`GOIN 33/49
`HOIS 3/30
`GOLS 3/14
`GOLT 3/18
`(52) U.S. Cl.
`CPC ves AGIB 5/0075 (2013.01); AGIB 5/0086
`(2013.01); A61B 5/0088 (2013.01); A6IB
`5/1455 (2013.01); A6IB 5/14532 (2013.01);
`A6IB 5/14546 (2013.01); A6IB 5/4547
`(2013.01); GOLJ 3/108 (2013.01); GOLJ 3/28
`(2013.01); GOLF 3/453 (2013.01); GOIN
`21/359 (2013.01); GOIN 33/49 (2013.01);
`A61IB 2562/0233 (2013.01); A6IB 2562/0238
`(2013.01); AGIB 2562/146 (2013.01); A6IB
`2576/02 (2013.01); GOL 3/14 (2013.01);
`GOLJ 3/1838 (2013.01); GOIJ 2003/104
`(2013.01); GOLJ 2003/2826 (2013.01); GOIN
`2201/06! (2013.01); GOIN 2201/12 (2013.01);
`HOIS 3/302 (2013.01)
`
`(56)
`
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`OMNI 2020 - IPR20-00209
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`

`

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