Hollow vector support multifunctional protection device for minimally invasive surgery
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United States of America Patent
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Feb 14, 2023
Grant Date -
Jun 10, 2021
app pub date -
May 13, 2019
filing date -
Apr 2, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
Hollow vector support multifunctional protection devices and systems for minimally invasive surgery are disclosed. In an embodiment, a hollow vector support multifunctional protection device includes a protective head, a pitching mechanism for the protective head, an inner cylinder, an axial movement mechanism for the inner cylinder, and a shell. The protective head includes a flap ring, a plurality of first rotating shafts, a plurality of flaps uniformly arranged on the flap ring through the first rotating shafts, and a torsion spring arranged on the first rotating shafts. The torsion spring is configured to provide a force for opening the plurality of flaps along the first rotating shafts, and the first rotating shafts are provided with limiting structures configured to limit a maximum opening degree of the flaps.
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