US 11,786,271 B2
Trocar with modular obturator head
Assaf Govari, Haifa (IL); Yehuda Algawi, Binyamina (IL); Ilya Sitnitsky, Nahariya (IL); and Stanislav Katzir, Hadera (IL)
Assigned to Biosense Webster (Israel) Ltd., Yokneam (IL)
Filed by BIOSENSE WEBSTER (ISRAEL) LTD., Yokneam (IL)
Filed on Dec. 29, 2019, as Appl. No. 16/729,433.
Prior Publication US 2021/0196314 A1, Jul. 1, 2021
Int. Cl. A61B 17/34 (2006.01); A61B 1/05 (2006.01); A61B 5/06 (2006.01); A61B 1/018 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/3423 (2013.01) [A61B 1/018 (2013.01); A61B 1/05 (2013.01); A61B 5/062 (2013.01); A61B 5/066 (2013.01); A61B 17/3496 (2013.01); A61B 2017/00199 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A trocar for insertion into a patient, the trocar comprising:
(a) a cannula having a longitudinal axis and a channel inside the cannula, the channel being oriented parallel to the longitudinal axis;
(b) an obturator body, configured to be inserted into the cannula, the obturator body including a depression configured to conform with the channel inside the cannula when the obturator is inserted into the cannula; and
(c) two or more interchangeable obturator heads, each configured to be detachably fitted at a distal end of the obturator body, wherein each obturator head of the two or more interchangeable obturator heads comprises a head depression to conform with the channel inside the cannula when the obturator is inserted into the cannula.