1. A unitary single use disposable device for detecting the presence of an analyte in a fluid sample, said device comprising:
a casing including a viewing window;
a display device enclosed in said casing with a display screen positioned in said viewing window;
a lateral flow diagnostic strip enclosed in said casing, a portion of said diagnostic strip being exposed for receiving a fluid sample;
a printed circuit board (PCB) having opposing top and bottom portions and wherein said display device has a display screen on a top portion for displaying information, and a bottom portion mounted secure to a top portion of said PCB;
first and second LEDs having different wavelengths mounted on a bottom portion of said PCB in spaced apart relationship;
a photodetector mounted on the bottom portion of said PCB proximate said first and second LEDs; and
electronic means mounted on a bottom portion of said PCB, adapted to energize said first and second LEDs at different times, and to receive electrical signals from said photodetector representative of the intensity of light received by said photodetector at a given time; and
light shield means for mounting said PCB and said assay material in spaced apart relationship within said casing, said light shield means further including first, second, and third light paths for directing light from said first LED to said capture region, from said capture region to said photodetector, and from said second LED to said capture region, respectively; and
electronic means mounted within said casing that is automatically responsive to the application of fluid onto said diagnostic strip, for automatically monitoring a capture region of said diagnostic strip to drive said display to display a first message after a predetermined time from the application of fluid, if an observable reaction in said capture region is indicative of the presence of said analyte, and to display a second message if such an observable reaction does not occur.
2. A device according to claim 1, wherein said electronic means mounted within said casing is adapted to be automatically responsive to the fluid in the form of urine applied to said diagnostic strip.
3. A device according to claim 1, wherein the first message is YES and the second message is NO.
4. A device according to claim 1, further comprising a battery pack for providing electrical power to said electronic means
wherein said electronic means is mounted on a bottom portion of said PCC, and is adapted to energize said first and second LEDs at different times, and to receive electrical signals from said photodetector representative of the intensity of light received by said photodetector at a given time.
5. A single use, disposable device having an outer casing enclosing an assay material, and electro-optical system means, for detecting the presence of an analyte in a urine stream, whereby said assay material defines a capture region for binding the analyte, said outer casing including a removable cap for exposing a portion of a sample wick to which urine is applied directly from a urine stream, whereafter said cap is capable of being reinstalled and in use, the urine flows from said sample wick onto a test strip containing said assay material, said electro-optical system means being adapted to monitor overall operation of said device in said capture region for interpreting test results, and for displaying the results on a display screen located in a viewing window,
wherein said device further comprises a printed circuit board (PCB) having opposing top and bottom portions and wherein said display screen is located on a top portion for displaying information, and a bottom portion mounted secure to a top portion of said PCB; and
wherein said electro-optical system means further comprises
first and second LEDs having different wavelengths mounted on a bottom portion of said PCB in spaced apart relationship;
a photodetector mounted on the bottom portion of said PCB proximate said first and second LEDs; and
electronic means mounted on a bottom portion of said PCB, adapted to energize said first and second LEDs at different times, and to receive electrical signals from said photodetector representative of the intensity of light received by said photodetector at a given time; and
light shield means for mounting said PCB and said assay material in spaced apart relationship within said casing, said light shield means further including first, second, and third light paths for directing light from said first LED to said capture region, from said capture region to said photodetector, and from said second LED to said capture region, respectively; and
electronic processing means for interpreting changes in color in said capture region.
6. A device according to claim 5, wherein said electronic processing means is adapted to display Yes+ on the display for pregnancy, and No\u2212 for non-pregnancy.
7. A device according to claim 6, wherein said display is a liquid crystal display.
8. A device according to claim 5, wherein said test strip is a lateral flow diagnostic strip enclosed in said casing, a portion of said diagnostic strip being exposed as said sample wick.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A tool holder for firmly holding a wide range of sizes and shapes of tool handles, the tool holder comprising:
a cage assembly, the cage assembly comprising a pair of axially spaced hollow members having axially aligned through openings sized for axial extension of tool handles of different sizes and shapes through both of the aligned openings, and
a cradle member transversely movable in opposite directions between the hollow members toward and away from respective inwardly facing wall surfaces of the hollow members for releasably clamping the tool handles extending through both aligned openings against the inwardly facing wall surfaces.
2. The tool holder of claim 1 further comprising a screw member for supporting the cradle member for transverse movement in opposite directions between the hollow members.
3. The tool holder of claim 2 wherein the hollow members are joined together at ends opposite the inwardly facing wall surfaces by a cross member, and the screw member is threadedly received in a threaded bore in the cross member substantially in line with an approximate center of an axial space between the hollow members.
4. The tool holder of claim 1 wherein the inwardly facing wall surfaces of the hollow members against which the tool handles are firmly clamped intersect each other at an angle of at least 90\xb0.
5. The tool holder of claim 4 wherein the cradle member has a generally inverse shape substantially corresponding to the shape of the inwardly facing wall surfaces.
6. The tool holder of claim 1 wherein the cradle member has opposite ends extending laterally outwardly beyond opposite sides of the axially spaced hollow members for guiding the cradle member during transverse movement between the hollow members toward and away from the inwardly facing wall surfaces of the hollow members.
7. The tool holder of claim 1 wherein the cage assembly is connected to a holder handle.
8. The tool holder of claim 7 wherein the cage assembly is angularly adjustable relative to the holder handle for adjusting the angular orientation of the cage assembly and thus the tool handles firmly held within the cage assembly relative to the holder handle.
9. The tool holder of claim 8 wherein one side of the cage assembly is connected to a body member, and the body member has an axis substantially orthogonal to an axis of the cradle member.
10. The tool holder of claim 9 wherein the holder handle has an axis substantially orthogonal to the body member axis.
11. The tool holder of claim 10 wherein the holder handle and the body member have self-locking face gears on opposed surfaces of the holder handle and the body member that are movable into and out of engagement with one another and indexable relative to one another when disengaged for adjusting the angular orientation of the cage assembly relative to the holder handle.
12. The tool holder of claim 11 wherein the face gear surface on the holder handle is in a plane substantially parallel to the holder handle axis, and the face gear surface on the body member is in a plane substantially orthogonal to the body member axis.
13. The tool holder of claim 12 wherein the self-locking face gears are spring loaded toward one another by a compression spring that applies a compressive force that allows for hand pulling of the face gears apart and indexing of the cage assembly relative to the holder handle to a desired angle prior to releasing the pulling force to re-engage the face gears.
14. The tool holder of claim 13 further comprising cam means movable between a locked position for increasing the compressive force of the compression spring to maximize rigidity of the tool holder in use, and an unlocked position to release the increased compressive force that allows for hand pulling of the face gears apart as before.
15. A tool holder comprising:
a cage assembly, the cage assembly comprising a pair of axially spaced hollow members having axially aligned through openings sized for axial extension of tool handles of different sizes and shapes through both of the aligned openings, and
a screw member transversely movable in opposite directions between the hollow members for releasably clamping the tool handles extending through the aligned openings against inwardly facing wall surfaces of the hollow members.
16. The tool holder of claim 15 wherein one side of the cage assembly is connected to a body member, and the body member is indexably connected to a holder handle to allow for adjustment of the angular orientation of the body member and thus the tool handles releasably clamped within the cage assembly relative to the holder handle.
17. The tool holder of claim 16 wherein the indexable connection between the body member and the holder handle comprises spring loaded self-locking face gears on opposed surfaces of the body member and the holder handle that allow for work angle adjustment of the body member relative to the holder handle.
18. The tool holder of claim 17 further comprising cam means movable between an unlocked position allowing for work angle adjustment of the body member relative to the holder handle and a locked position preventing such work angle adjustment.
19. The tool holder of claim 17 wherein the self-locking face gears are spring loaded toward one another by a compression spring surrounding a rod extending through aligned openings in the body member, the face gears and the holder handle, an outer end of the rod has a flange that is received in a first counterbore at an outer end of an opening in the body member for limiting inward movement of the rod within the opening, and the holder handle has a second counterbore containing the compression spring that is captivated between a shoulder at an inner end of the second counterbore and a bottom wall of a slide axially movable in a third counterbore at an outer end of the first counterbore of a greater diameter than the second counterbore.
20. The tool holder of claim 19 wherein the bottom wall of the slide has an axial hole sized for axial sliding receipt of the inner end of the rod, further comprising a fastener attached to the inner end of the rod for supporting a cam member axially outwardly of the slide, the slide having an axially outwardly facing cavity sized for receipt of the inner end of the rod and inner end of the fastener, the cam member being movable between an unlocked position that allows for hand pulling of the face gears apart for indexing of the body member and associated cage assembly relative to the holder handle to a desired angle and releasing the pulling force to re-engage the face gears, and a locked position forcing the slide axially inwardly to increase the compressive force of the compression spring to maximize rigidity of the tool holder when in use.