Trocar with concave cutting surface

Trocar with disposable valve and reusable cannula

Trocar with disposable valve and reusable cannula

Trocar with electrical discharge path

Trocar with expandable members for retaining the trocar

Trocar with floating septum seal

Trocar with improved universal seal

Trocar with linear movement seal

Trocar with multiple converters and detachable obturator

Trocar with overlapping seal elements

Trocar with profile to reduce insertion force

Trocar with replaceable obturator

Trocar with retracting tip

Trocar with rotating safety shield

Trocar with safety sensing sleeve

Trocar with safety shield

Trocar with tissue penetration pressure indicator

Trocar-cannula device

Trocarless rotational entry cannula

Trochar system for laparoscopy