INTERDENTAL BRUSH HAVING AN INSERTION GUIDANCE TIP
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United States of America Patent
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Issued Date -
May 30, 2024
app pub date -
Nov 6, 2023
filing date -
Jul 11, 2018
priority date (Note) -
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Abstract
A method of providing an insertion guidance tip at a distal end of an interdental brush, use of a first set of filaments and a second set of filaments in an interdental brush, and an interdental brush comprising a first set of filaments arranged along a first longitudinal sub-length and having a first filament diameter, and a second set of filaments arranged along a second longitudinal sub-length and having a second filament diameter, wherein the second filament diameter is smaller than the first filament diameter, wherein the second longitudinal sub-length is positioned at the distal end of the interdental brush, and wherein the second sub-length has a length along the longitudinal direction being less than 15% of a longitudinal extension of the brush portion and extending along less than three twists of a core member.
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