Portable analytical device and system

• US 9,357,955 B2
• Filed: 03/21/2014
• Issued: 06/07/2016
• Est. Priority Date: 03/21/2014
• Status: Active Grant

• Current Assignee: Industrial Technology Research Institute
• Original Assignee: Industrial Technology Research Institute
• Inventors: Lu, Hui-Hsin, Peng, Ching-Kai, Liao, Yu-Hsuan, Hsu, Louis Lu-Chen, Wang, Sheng-Po, Wang, Mao-Yin, Chou, Kuan-Hung, Huang, Wei-Chin
• Primary Examiner(s): STAFIRA, MICHAEL PATRICK
• Application Number:
  US14/221,300
• Publication Number:
  US 20150265193A1
• Time in Patent Office: 809 Days
• US Class Current: 1/1
• CPC Class Codes: A61B 2562/146 for optical coupling
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/14546 for measuring analytes not otherwise provided for, e.g. ions, cytochromes
• CPC Class Codes: A61B 5/14551 for measuring blood gases
• CPC Class Codes: G01N 21/03 Cuvette constructions
• CPC Class Codes: G01N 21/314 with comparison of measurements at specific and non-specific wavelengths dual wavelength spectrometry G01J3/427
• CPC Class Codes: G01N 21/4133 Refractometers, e.g. differential
• CPC Class Codes: G01N 2201/0221 Portable; cableless; compact; hand-held

Abstract

A portable analytical device including at least one optical unit and optionally an adapting device are provided. The optical unit includes a light beam receiving area, a sample holder, a light beam exiting area, and a lens component. The adapting device holds the optical unit and an external hand-held computing device (EHCD), such that the optical unit is coupled to the EHCD.

Claims

1. A portable analytical device, comprising:

an optical unit for a portable analytical device, comprising;

a first light beam receiving area;

a sample holder, for holding a sample;

a first light beam exiting area; and

a lens component with a first reflected surface and a second reflected surface, wherein the first reflected surface is adapted to redirect a light path of a first light beam received in the first light beam receiving area to the second reflected surface, and the second reflected surface is adapted to redirect the first light beam to the first light beam exiting area, and the sample holder is located on the light path of the first light beam; and

an adapting device having a first site for holding an external hand-held computing device (EHCD) and a second site for positioning the optical unit to the EHCD such that the optical unit is aligned with the EHCD.

2. The optical unit for the portable analytical device of claim 1, further comprising:

a second light beam receiving area, wherein a second light beam is received in a second light beam receiving area; and

a second light beam exiting area, wherein the second light beam is redirected from the sample holder to the second light beam exiting area, wherein the sample holder is located on a light path of the second light beam.

3. The optical unit for the portable analytical device of claim 1, further comprising:

a collimator, provided in the first light beam receiving area for collimating the first light beam received in the first light beam receiving area.

4. The optical unit for the portable analytical device of claim 1, further comprising:

a collimator, provided in the first light beam exiting area for collimating the first light beam redirected from the second reflected surface.

5. The optical unit for the portable analytical device of claim 2, further comprising:

a collimator, provided in the second light beam receiving area for collimating the second light beam from the second light beam receiving area.

6. The optical unit for the portable analytical device of claim 2, further comprising:

a collimator, provided in the second light beam exiting area for collimating the second light beam redirected from the sample holder.

7. The optical unit for the portable analytical device of claim 1, wherein the first light beam receiving area receives a light beam emitted from a light beam emitter of an external hand-held computing device (EHCD).

8. The optical unit for the portable analytical device of the claim 7, wherein the wavelength of the first light beam received from the light beam emitter of the EHCD is ranged from about 550 nm to about 700 nm.

9. The optical unit for the portable analytical device of the claim 7, wherein the wavelength of the first light beam received from the light beam emitter of the EHCD is ranged from about 800 nm to about 1000 nm.

10. The optical unit for the portable analytical device of claim 2, wherein the second light beam receiving area receives a light beam emitted from a light beam emitter of an EHCD.

11. The optical unit for the portable analytical device of the claim 10, wherein the wavelength of the second light beam received from the light beam emitter of the EHCD is ranged from about 550 nm to about 700 nm.

12. The optical unit for the portable analytical device of the claim 10, wherein the wavelength of the second light beam received from the light beam emitter of the EHCD is ranged from about 800 nm to about 1000 nm.

13. The optical unit for the portable analytical device of claim 1, wherein the first light beam exiting area is aligned with a light beam receiver of an EHCD.

14. The optical unit for the portable analytical device of claim 2, wherein the second light beam exiting area is aligned with a light beam receiver of an EHCD.

15. The optical unit for the portable analytical device of claim 1, wherein at least one of the first reflected surface and the second reflected surface comprises a transflective surface, a reflective surface, or a combination thereof.

16. The optical unit for the portable analytical device of claim 1, wherein the shape of the sample holder is cylindrical, rectangular, bell-shaped, conical, cubical, pyramidal, or polygonal.

17. The optical unit for the portable analytical device of claim 1, wherein a material of the optical unit comprises mirror-like coating, glass, plastics, quartz, or liquid.

18. The optical unit for the portable analytical device of claim 1, wherein the sample holder couples to at least one of the first reflected surface and the second reflected surface.

19. The optical unit for the portable analytical device of claim 1, wherein the sample holder is located on the light path of the first light beam between the first reflected surface and the second reflected surface.

20. The portable analytical device of claim 1, wherein the second site positions the optical unit to the EHCD so that a first light beam emitter of the EHCD is aligned with the first light beam receiving area, and a first light beam exiting area is aligned with a first light beam receiver of the EHCD.

21. The portable analytical device of claim 1, wherein the optical unit further comprises:

at least one collimator located on the light path of the first light beam.

22. The portable analytical device of claim 1, wherein the first light beam is emitted from the first light beam emitter of the EHCD.

23. The portable analytical device of claim 1, wherein the optical unit further comprises:

a second light beam receiving area, wherein a second light beam is received in a second light beam receiving area; and

a second light beam exiting area, wherein the second light beam is redirected from the sample holder to the second light beam exiting area, wherein the sample holder is located on a light path of the second light beam.

24. The portable analytical device of claim 23, wherein the second light beam is emitted from a second light beam emitter of the EHCD.

25. The portable analytical device of claim 23, wherein the optical unit further comprises:

at least one collimator located on the light path of the second light beam.

26. The portable analytical device of the claim 23, wherein a wavelength of the first light beam from the EHCD is ranged from about 550 nm to about 700 nm.

27. The portable analytical device of the claim 23, wherein a wavelength of the second light beam from the EHCD is ranged from about 800 nm to about 1000 nm.

28. The portable analytical device of claim 1, wherein at least one of the first reflected surface and the second reflected surface comprises a transflective surface, a reflective surface, or a combination thereof.

29. The portable analytical device of claim 1, wherein the portable analytical device is a refractometer for analyzing at least one of a sweetness and a saltiness of a sample.

30. The portable analytical device of claim 1, wherein the portable analytical device is an oximeter for analyzing at least one of a saturated hemoglobin and a heartbeat rate.

31. The portable analytical device of claim 1, wherein a shape of the sample holder is cylindrical, rectangular, bell-shaped, conical, cubical, pyramidal, or polygonal.

32. The portable analytical device of claim 1, wherein the sample holder is coupled to at least one of the first reflected surface and the second reflected surface.

33. The portable analytical device of claim 1, wherein the EHCD comprises a tablet, a portable computer, a wearable device, a watch, or a Smartphone.