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1. (WO2016193998) A HAND HELD DEVICE TO CAPTURE FUNDUS IMAGES
Anmerkung: Text basiert auf automatischer optischer Zeichenerkennung (OCR). Verwenden Sie bitte aus rechtlichen Gründen die PDF-Version.

I CLAIM:

1. A hand held device to capture fundus images comprising of:

a stem (1);

a lens holder (2);

a mobile holder (3);

a lens; and

a smart phone having at least one camera,

wherein the stem is having an upper end (la) and a lower end (lb), wherein the mobile holder (3) fitted with smart phone having at least one camera is mounted at the upper end (la) of the stem (1), and

wherein the lens holder (2) fitted with the lens is mounted at the lower end'

(lb) of the stem (l).

2. The device as claimed in claim 1, wherein the upper end (la) having an upper flange (lc) and the lower end (lb) having a lower flange (Id) are connected by a curved portion (le) of pre determined radius and arch length.

3. The device as claimed in claim 2, wherein the upper flange (lc) is provided with one or more threaded holes ( 1 f) of pre determined size which are arranged at pre detennined location for detachably mounting the mobile holder (3).

4. The device as claimed in claim 2, wherein the lower flange (Id) comprises a threaded hole (If) of pre detennined size arranged at a pre determine location for the fitment of the lens holder (2) with the stem (1).

5. The device as claimed in claim 2 and 4, wherein the lower flange (Id) comprises a radial recess (lg) of pre determined dimension and is disposed to locate and guide , the cylindrical guide portion (2h) provided in the lens holder (2).

6. The device as claimed in claim 1, wherein the lens holder (2) comprises a base portion (2a), a cylindrical shaped lens holding portion (2b), a fork portion (2d), a stepped portion (2c) and an eye portion (2f)-

7. The device as claimed in claim in 1 and 6, wherein the eye portion (2f) is provided with a cylindrical passage opening (2g) of pre determined diameter which is disposed for accommodating the threaded portion (4b) of the knob (4) provided for detachably connecting the lens holder (2) and the stem (1).

8. The device as claimed in claim 6, wherein the guide portion (2h) of pre determined dimensions is ananged at the base portion (2a) of the lens holder (2) at a pre determined distance from the centre of the cylindrical passage opening (2g) in the longitudinal direction such that the lens holder (2) could freely swing within the radial recess (lg) provided on the lower flange (Id) of the stem (1).

9. The device as claimed in claim 1, wherein the mobile holder (3) comprises a fixed holder (3 a) and a movable holder (3b), while the fixed holder (3 a) is fixed with the upper end (la) of the stem (1), the moveable holder (3b) is slide ably mounted within the fixed holder (3a) to facilitate holing of the smart phone.

10. The device as claimed in claim 9, wherein the movable holder (3b) is pressed in the direction towards the fixed holder (3a) using a compression spring (5) to enable holding of the smart phone between the fixed mobile catch (3a2) and the moveable mobile catch (3b2) fitted with grips (7).