Device for colorimetric detection of explosives and narcotics
First Claim
1. A hand-held device for colorimetric detection of a chemical obtained by sampling a surface of an object for enabling a large number of tests to be successively performed, the hand-held device comprising:
- (a) a housing having means for handling and using the hand-held device, said housing including a sapling area and a testing area, said sampling area being formed as a tip, said tip being dimensioned and positioned for permitting the sampling of the surface of the object by wiping the surface of the object;
(b) a roll of substrate for sampling materials suspected as including the chemical from the surface of the object;
(c) a feeding reel being rotatably connected to said housing, said feeding reel accommodating said roll of substrate, said substrate extending at least from said feeding reel to said tip and said testing area;
(d) at least one container for accommodating at least one detecting reagent, wherein said at least one detecting reagent is for the colorimetric detection of the chemical; and
(e) at least one dispensing mechanism for dispensing a predetermined volume of said at least one reagent onto said substrate at said testing area.
1 Assignment
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Accused Products
Abstract
A hand-held device for rapid colorimertic detection of explosives, narcotics, and other chemicals which can be accurately operated by non-skilled personnel and perform numerous tests in a quick sequential manner without exposing a user to hazardous reagents and without exposing sensitive reagents to deteriorating environmental conditions, the device comprising (a) a housing for handling and using the device, the housing including a sampling area an a testing area; (b) a roll of substrate for sampling materials suspected as including the chemical; (b) a feeding reel being rotatably connected to the housing, the feeding reel being for accommodating the roll of substrate; (c) at least one container for accommodating at least one detecting reagent, the at least one detecting reagent is for the colorimetric detection of the chemical; and (d) at least one dispensing mechanism for dispensing a predetermined volume of the at least one reagent onto the substrate at the testing area.
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Citations
27 Claims
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1. A hand-held device for colorimetric detection of a chemical obtained by sampling a surface of an object for enabling a large number of tests to be successively performed, the hand-held device comprising:
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(a) a housing having means for handling and using the hand-held device, said housing including a sapling area and a testing area, said sampling area being formed as a tip, said tip being dimensioned and positioned for permitting the sampling of the surface of the object by wiping the surface of the object; (b) a roll of substrate for sampling materials suspected as including the chemical from the surface of the object; (c) a feeding reel being rotatably connected to said housing, said feeding reel accommodating said roll of substrate, said substrate extending at least from said feeding reel to said tip and said testing area; (d) at least one container for accommodating at least one detecting reagent, wherein said at least one detecting reagent is for the colorimetric detection of the chemical; and (e) at least one dispensing mechanism for dispensing a predetermined volume of said at least one reagent onto said substrate at said testing area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification