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US 5,623,941 AGranted
Cervical sampling velour brush
AssigneeNils Stormby
InventorsTommy Hedberg, Jan Claren
Life of this patent
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Abstract
The invention relates to a brush comprising a shank which over a portion of the length thereof is provided wish a velour finish of fibers which are attached to the shank and stand on end projecting from the surface of the shank. The invention also relates to a method in manufacturing such a brush wherein an end portion of the shank is dipped in glue and fibers then are applied to said portion by being adhered to the shank by means of an electrostatic field so as to be attached to the end portion coated with glue.
Claims14
A method for medical sampling, comprising:
- providing a collection instrument comprising
- an elongated shank;
- a body forming an axial extension of said elongated shank at a first end thereof, a second end of the elongated shank forming a handle where the brush is to be gripped manually for use, said body being substantially circular in a transverse cross section and forming a smooth surface extending continuously over the axial length of said body;
- and
- a velour finish covering the smooth surface of the body over an entire circumference of the body, the velour finish including a plurality of fibers of a uniform length, each of the fibers having first and second ends, the fibers being glued to said surface at said first ends uniformly distributed over the surface, and the fibers projecting radially from the surface with said second ends defining a curved surface of the velour finish;
- collecting biomaterial from a cervix onto the plurality of fibers;and
- transferring the biomaterial onto a deposit site.
4 more elements
Dependencies are inferred from the claim text.