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US 2025/0353026 A1Published application
Pumping device
AssigneeTianzhou Medical (Suzhou) Co., Ltd
InventorYaowu DING
Life of this patent
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Abstract
A pumping device, comprising an actuator and a closure, the actuator being connected to the actuator. The pumping device further comprises a collapsible bladder, the collapsible bladder being formed by connecting a plurality of segments, and an included angle being formed between two adjacent segments, wherein at least two adjacent segments are connected to each other by means of a weakened portion.
Claims11
A pumping device for pumping a product from a container, the pumping device comprising an actuator and a closure, the actuator being connected to the closure,
- the pumping device further comprises a collapsible bladder, the collapsible bladder being formed by connecting a plurality of segments, an included angle being formed between two adjacent segments, the collapsible bladder being configured such that the collapsible bladder is collapsed when a pressing force is applied directly or indirectly to the collapsible bladder, and the collapsible bladder is stretched when the pressing force is removed, at least two adjacent segments are connected to each other by means of a weakened portion.
Dependencies are inferred from the claim text.