US 12,446,870 B2
Device for atraumatic passageway of instruments with or without dilation
Roxana Belciu Kerns, West Palm Beach, FL (US)
Assigned to AMARASTESIA LTD, West Palm Beach, FL (US)
Filed by AMARASTESIA LTD, West Palm Beach, FL (US)
Filed on Dec. 5, 2023, as Appl. No. 18/530,003.
Application 18/530,003 is a continuation in part of application No. 17/481,070, filed on Sep. 21, 2021, granted, now 11,904,122.
Claims priority of provisional application 63/494,972, filed on Apr. 7, 2023.
Claims priority of provisional application 63/430,526, filed on Dec. 6, 2022.
Claims priority of provisional application 63/224,220, filed on Jul. 21, 2021.
Claims priority of provisional application 63/196,873, filed on Jun. 4, 2021.
Prior Publication US 2024/0099709 A1, Mar. 28, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/02 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/0218 (2013.01) [A61B 2017/00867 (2013.01); A61B 2017/0225 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A device configurable between a closed configuration and an open configuration to form a passageway for passage of a surgical instrument therethrough, the device comprising:
a) a tubular member which is flexible, wherein the tubular member is configured to expand from the closed configuration to the open configuration;
b) a channel formed in the tubular member when in the open configuration which provides the passageway through the tubular member;
c) one or more wires inside of the tubular member biased toward the open configuration; and
d) one or more biasing devices configured to pass through the one or more wires to restrict the one or more wires in the closed configuration; and
wherein removal of the one or more biasing devices causes the one or more wires to become unrestricted and exert a radially outward force on an interior wall of the tubular member such that the tubular member radially expands from the closed configuration to the open configuration.