US 12,446,918 B2
Pressure release cannula
Isshiki Ryo, Largo, FL (US); and Alan Hernandez, Odessa, FL (US)
Assigned to Conmed Corporation, Utica, NY (US)
Appl. No. 17/255,173
Filed by Conmed Corporation, Utica, NY (US)
PCT Filed Jun. 25, 2019, PCT No. PCT/US2019/038917
§ 371(c)(1), (2) Date Dec. 22, 2020,
PCT Pub. No. WO2020/005896, PCT Pub. Date Jan. 2, 2020.
Claims priority of provisional application 62/838,443, filed on Apr. 25, 2019.
Claims priority of provisional application 62/690,079, filed on Jun. 26, 2018.
Prior Publication US 2021/0267631 A1, Sep. 2, 2021
Int. Cl. A61B 17/34 (2006.01)
CPC A61B 17/3423 (2013.01) [A61B 2017/3458 (2013.01); A61B 2017/349 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A pressure relief device, comprising:
a cannula body having a proximal end and a distal end with a thread extending along at least a portion of the cannula body from the distal end toward the proximal end;
a proximal end cap connected to the proximal end of the cannula body;
a chamber connected between the cannula body and the proximal end cap, and having an outer surface forming a first portion of a most outer surface of the device around which forms a circumference of the most outer surface, wherein the first portion of the most outer surface comprises a plurality of apertures integrally formed with and extending around the circumference of the most outer surface of the chamber;
a proximal seal enclosed between the proximal end cap and the chamber;
a first distal seal and a second distal seal, wherein the first and second distal seals are stacked directly onto each other and enclosed between the chamber and the proximal end of the cannula body.