US 12,311,101 B1
Trigger assembly for inhaler, and inhaler
Fei Zhang, Jiangsu Province (CN); Xiaoyuan Sun, Jiangsu Province (CN); and Guangtao Zhao, Jiangsu Province (CN)
Assigned to SUZHOU SINGMED MEDICAL DEVICE SCIENCE AND TECHNOLOGY LTD., Suzhou (CN)
Filed by SUZHOU SINGMED MEDICAL DEVICE SCIENCE AND TECHNOLOGY LTD., Suzhou (CN)
Filed on Jan. 16, 2025, as Appl. No. 19/025,842.
Application 19/025,842 is a continuation of application No. PCT/CN2024/105208, filed on Jul. 12, 2024.
Claims priority of application No. 202410885061.4 (CN), filed on Jul. 3, 2024; and application No. 202410885172.5 (CN), filed on Jul. 3, 2024.
Int. Cl. A61M 15/00 (2006.01); A61M 11/00 (2006.01)
CPC A61M 15/0001 (2014.02) [A61M 11/00 (2013.01); A61M 2202/0007 (2013.01); A61M 2202/04 (2013.01); A61M 2205/0216 (2013.01); A61M 2205/276 (2013.01)] 20 Claims
OG exemplary drawing
 
19. An inhaler, comprising a trigger assembly configured to trigger the inhaler to spray atomized fluid, the trigger assembly comprising:
a first component;
a second component, wherein the first component and the second component are configured such that the second component is capable of moving away from the first component to a preloaded position in the case where the second component rotates relative to the first component in a first direction; and
a backstop member, which is retractably arranged in the first component to block the rotation of the second component in a second direction opposite to the first direction in the case where the second component has been moved to the preloaded position,
wherein the second component is capable of moving from the preloaded position towards the first component to a triggered position.