AN ARTICULATING CANNULA
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Jun 27, 2023
filing date -
Jun 27, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
The application provides an articulating cannula (300) comprising a proximal end (302) and a distal end (304) connected with a hollow tubular shaft (306). The distal end (304) is configured to articulate between a first position (310) and a second position (312). The shaft (306) is segmented into a first shaft (414) and a second shaft (316) which are secured by a flexible material. The proximal end (302) comprises of a housing (308) having diameter substantially greater than the diameter of the shaft (306) and configured to allow insertion of an articulating surgical instrument (318). The second shaft (316) comprises of an outer layer (320) and an inner layer (322) of the flexible material with a compression spring (324) in between, the second shaft (316) is configured to facilitate the articulation of the distal end (304) and to prevent collapse of second shaft (316) at the distal end (304). The spring (324) is configured to maintain a constant cross section of the second shaft (316) with or without articulation.
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