US 11,690,938 B2
Surgical system and method of use
Mark Fitzgerald, Melbourne (AU); Peter Finnegan, Melbourne (AU); Wing Chiu, Clayton (AU); Nayeem Chowdhury, Clayton (AU); and Nabil Chowdhury, Clayton (AU)
Assigned to Alfred Health, Melbourne (AU); and Monash University, Clayton (AU)
Appl. No. 16/462,910
Filed by Alfred Health, Melbourne (AU); and Monash University, Clayton (AU)
PCT Filed Nov. 22, 2017, PCT No. PCT/AU2017/051286
§ 371(c)(1), (2) Date May 21, 2019,
PCT Pub. No. WO2018/094458, PCT Pub. Date May 31, 2018.
Claims priority of application No. 2016904770 (AU), filed on Nov. 22, 2016.
Prior Publication US 2019/0307937 A1, Oct. 10, 2019
Int. Cl. A61M 1/04 (2006.01); A61B 17/34 (2006.01); A61B 17/00 (2006.01)
CPC A61M 1/04 (2013.01) [A61B 17/3403 (2013.01); A61B 17/3421 (2013.01); A61B 17/3462 (2013.01); A61B 17/3496 (2013.01); A61B 17/3474 (2013.01); A61B 2017/00455 (2013.01); A61B 2017/3407 (2013.01); A61B 2017/349 (2013.01); A61B 2017/3427 (2013.01); A61B 2017/3443 (2013.01); A61B 2017/3488 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A pleural decompression system for use in the treatment of simple and/or tension pneumothorax, the system comprising:
an obturator assembly having a cutting portion at a distal end, a cannula, and a deployable blunt portion, the cannula being detachably coupled to the cutting portion and deployable along with the blunt portion into a pleural space of a patient, the cannula comprises a locking portion, and a lengthwise collapsibly extendable body;
a valve assembly comprising a passage for receiving the cannula, a first end for coupling to a fluid extraction device and a second end for placement above an intercostal space;
a base comprising a plate for placement on the patient above the intercostal space, the plate has an aperture configured for receiving the obturator assembly and coupling means located about the aperture for coupling with the valve assembly; and
wherein, in use, the locking portion of the cannula is configured to be retained in the valve assembly with the extendable body extended into a chest wall of the patient to facilitate a path for pleural fluid extraction, and wherein the cannula comprises means for retaining the cannula in an extended state.