Headband with tension indicator

Details Headband with tension indicator Headband with tension indicator

A - Human Necessities

61

B

A61B 5/00 (2006.01) A41D 20/00 (2006.01)

Patent

CA 2555079

A headband having a low stretch segment sized to fit around a wearer's head, and an elastic segment being smaller than the low stretch segment, and having a free end and an attached end, where the elastic segment is attached at its attached end with the low stretch segment. The headband also includes a tab portion having a first end and a second end, the first end of the tab portion being connected with the free end of the elastic portion, the second end of the tab portion configured to form a closed loop with the low stretch segment, around the wearer's head. The headband also includes visual indicator configured for monitoring the extended position of elastic segment and optionally a stop portion that is configured to engage against the elastic segment to limit its stretch. When having a stop portion, the tab portion also includes an indicator portion between its first end and the stop portion such that the indicator portion when visible indicates that the headband needs re- tightening; and when the indicator portion is not visible it indicates an adequate level of tension corresponding with delivering a pressure in the range higher than the venous pressure and lower than the capillary pressure to the forehead of the wearer.

L'invention porte sur un serre-tête comportant un segment à faible étirement dimensionné pour faire le tour de la tête et un segment élastique plus court présentant une extrémité libre et une extrémité reliée au segment à faible étirement. Le serre-tête comporte également une languette dont une première extrémité est reliée à l'extrémité libre du segment élastique, et la deuxième, forme une boucle fermée avec le segment à faible étirement. Le serre-tête comporte également un indicateur visuel du niveau d'extension du segment élastique et facultativement une butée limitant l'extension. Lorsqu'elle comporte une telle butée, la languette comporte également un voyant placé entre sa première extrémité et la butée qui quand il est visible indique que le serre-tête doit être retendu et qui quand il n'est pas visible indique que le serre-tête est au bon niveau de tension et exerce sur le front une pression supérieure à la pression veineuse et inférieure à la pression capillaire.

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