Tampon with continuous groove forms
US8834439B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2012 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | May 16, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/2091
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an intravaginal tampon for feminine hygiene includes a generally cylindrical absorbent pledget and a withdrawal element operatively connected to the generally cylindrical pledget proximate to the withdrawal end thereof. The absorbent pledget includes a mass of fibers compressed into a self sustaining shape and a sheet-like fluid-permeable cover substantially enclosing the mass of fibers. The absorbent pledget has formed thereon or therein at least one continuous groove form comprising a plurality of substantially longitudinal groove segments linked only to form a turn located alternatively proximate the insertion end and withdrawal end and wherein the continuous groove form extends around at least 180° about the circumference of the generally cylindrical absorbent pledget.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.