A multipurpose large bore medical suction system relating to medical instruments comprising suction devices that are used to remove material from body cavities during medical procedures, such as, for example, during cardiopulmonary resuscitation or trauma stabilization. The system is designed to adapt to large-bore medical vacuum sources such as the large-bore port of a collection canister. The system comprises a series of interchangeable tips including a means for endotracheal-catheter suctioning.