US 12,433,509 B2
Elongation sensor and wearable article including the elongation sensor
Pascal Dumas, Versailles (FR); Guillaume Chenegros, Bassou (FR); and Stéphane Carras, Condé-sur-Noireau (FR)
Assigned to CHRONOLIFE, Paris (FR)
Appl. No. 17/641,204
Filed by CHRONOLIFE, Paris (FR)
PCT Filed Sep. 8, 2020, PCT No. PCT/EP2020/075115
§ 371(c)(1), (2) Date Mar. 8, 2022,
PCT Pub. No. WO2021/048149, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 19306081 (EP), filed on Sep. 9, 2019.
Prior Publication US 2024/0049992 A1, Feb. 15, 2024
Int. Cl. A61B 5/113 (2006.01); A61B 5/00 (2006.01); A61B 5/08 (2006.01)
CPC A61B 5/1135 (2013.01) [A61B 5/0806 (2013.01); A61B 5/6805 (2013.01); A61B 2562/0261 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A wearable article, comprising:
a flexible support;
at least one elongation sensor, arranged on the flexible support so as to have a length varying when a wearer of the wearable article breathes or when muscles of the wearer are contracted or relaxed; and
at least one flexible strip arranged on the flexible support,
wherein the elongation sensor comprises:
an elastic, electrically insulating core; and
at least two resistive elements arranged helically around the elastic core, wherein two of the resistive elements are helically arranged in opposite directions and in contact with each other,
wherein the at least one flexible strip forms a sheath and wherein the elongation sensor is disposed in the sheath.