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  • Trocars designed to puncture the thoracic wall, providing access to the thoracic cavity and organs. These instruments typically consist of a manual, handheld device with a sharp pyramidal or conical strong pointed rod at the distal end and a proximal large handle. Thoracic trocars are usually fitted into a cannula, or sleeve; the trocar is used to pierce the skin and the thoracic wall (i.e., percutaneously) and then it is usually removed, leaving the cannula or sleeve in place. Thoracic trocars are intended to provide access to the cavity to aspirate fluids (e.g., blood, air), to instill medications or solutions, or to guide the placement of a cannula or sleeve (i.e., a hollow sheath) used for diagnostic, therapeutic, and/or surgical procedures. Dedicated thoracic trocars are also used for spontaneous pneumothorax and cardiovascular procedures (e.g., cardiac tamponade), and in minimal-access surgery to provide access for introduction of devices such as surgical instruments.
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