Which trocar has an exposed tip shaped like a pyramid or cone?

Name: Which trocar has an exposed tip shaped like a pyramid or cone?
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Question

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A sharp trocar has a tip that is exposed and is shaped pyramidal or conical.A blunt trocar has a rounded tip,and a shielded trocar tip is protected by a spring-loaded shield.An initial trocar is one that is inserted first to establish access to instill gases or fluids.

Which Trocar Has an Exposed Tip Shaped Like a Pyramid