Controlled furling balloon assembly
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United States of America Patent
Stats
-
Dec 1, 2020
Grant Date -
Aug 3, 2017
app pub date -
Jul 23, 2015
filing date -
Jul 28, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A user-operable controlled furling balloon assembly including a furlable balloon sheath, an elongate furling driving element which is retractable and rotatable about an elongate axis thereof relative to a base element for furling the furlable balloon sheath about the elongate axis, the furlable balloon sheath surrounding the elongate furling driving element and coupled at a first end thereof to the elongate furling driving element and at a second end thereof to the base element and a furling/retraction controlling assembly coupled to the elongate furling driving element and to the base element for limiting an extent of retraction of the elongate furling driving element to be a function of an extent of furling of the balloon sheath, thereby limiting a maximum outer diameter of the balloon sheath when furled and preventing stacking of the balloon sheath.
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