An assembly for use during a medical or surgical procedure, the assembly comprising: a chassis (100, 2100, 3100) designed for removably receiving a mobile waste collection cart (1000, 2500, 4000) that has at least one container (1200, 1202, 4200, 4202) for storing waste withdrawn from a patient; a vacuum pump (210, 3210) mounted to said chassis (100, 2100, 3100); and a vacuum regulator (3222, 3224) mounted to the chassis (100, 2100, 3100) for regulating the level of suction drawn on the container (4200, 4202) of the mobile cart (1000, 2500, 4000); a chassis vacuum coupling (400, 3400) mounted to said chassis (100, 2100, 3100) and connected to the vacuum pump (210, 3210) to establish a connection between said chassis vacuum coupling (400, 3400) and a complementary cart vacuum coupling (1600, 4600) so as to establish a path (70, 72, 3070, 3072) over which a vacuum can be drawn by the vacuum pump (210, 3210) on the at least one container (1200, 1202, 4200, 4202) of the mobile waste collection cart (1000, 2500, 4000); wherein: a communication circuit (620, 3510) is mounted to the chassis (100, 2100, 3100) for receiving a signal from the mobile waste collection cart (1000, 2500, 4000) representative of the pressure in the at least one container (1200, 1202, 4200, 4202); and a controller (802, 3802) is mounted to the chassis (100, 2100, 3100) and configured to receive from the communication circuit (620, 3510) the signal and, based on the signal representative of the pressure, control said vacuum regulator (3222, 3224) to set the level of suction drawn on the at least one container (1020, 1022, 4200, 4202) of the mobile waste collection cart (1000, 2500, 4000); characterized in that: a display assembly (162, 3162) is mounted on said chassis (100, 2100, 3100) and in communication with said controller (802, 3802), wherein said display assembly (162, 3162) is configured to display information regarding an operating state of the mobile waste collection cart (1000, 2500, 4000) based, at least in part, on said signal representative of the pressure in the at least one container (1020, 1022, 4200, 4202) of the mobile waste collection cart (1000, 2500, 4000). a chassis (100, 2100, 3100) designed for removably receiving a mobile waste collection cart (1000, 2500, 4000) that has at least one container (1200, 1202, 4200, 4202) for storing waste withdrawn from a patient; a vacuum pump (210, 3210) mounted to said chassis (100, 2100, 3100); and a vacuum regulator (3222, 3224) mounted to the chassis (100, 2100, 3100) for regulating the level of suction drawn on the container (4200, 4202) of the mobile cart (1000, 2500, 4000); a chassis vacuum coupling (400, 3400) mounted to said chassis (100, 2100, 3100) and connected to the vacuum pump (210, 3210) to establish a connection between said chassis vacuum coupling (400, 3400) and a complementary cart vacuum coupling (1600, 4600) so as to establish a path (70, 72, 3070, 3072) over which a vacuum can be drawn by the vacuum pump (210, 3210) on the at least one container (1200, 1202, 4200, 4202) of the mobile waste collection cart (1000, 2500, 4000); wherein: a communication circuit (620, 3510) is mounted to the chassis (100, 2100, 3100) for receiving a signal from the mobile waste collection cart (1000, 2500, 4000) representative of the pressure in the at least one container (1200, 1202, 4200, 4202); and a controller (802, 3802) is mounted to the chassis (100, 2100, 3100) and configured to receive from the communication circuit (620, 3510) the signal and, based on the signal representative of the pressure, control said vacuum regulator (3222, 3224) to set the level of suction drawn on the at least one container (1020, 1022, 4200, 4202) of the mobile waste collection cart (1000, 2500, 4000); characterized in that: a display assembly (162, 3162) is mounted on said chassis (100, 2100, 3100) and in communication with said controller (802, 3802), wherein said display assembly (162, 3162) is configured to display information regarding an operating state of the mobile waste collection cart (1000, 2500, 4000) based, at least in part, on said signal representative of the pressure in the at least one container (1020, 1022, 4200, 4202) of the mobile waste collection cart (1000, 2500, 4000). a communication circuit (620, 3510) is mounted to the chassis (100, 2100, 3100) for receiving a signal from the mobile waste collection cart (1000, 2500, 4000) representative of the pressure in the at least one container (1200, 1202, 4200, 4202); and a controller (802, 3802) is mounted to the chassis (100, 2100, 3100) and configured to receive from the communication circuit (620, 3510) the signal and, based on the signal representative of the pressure, control said vacuum regulator (3222, 3224) to set the level of suction drawn on the at least one container (1020, 1022, 4200, 4202) of the mobile waste collection cart (1000, 2500, 4000); characterized in that: a display assembly (162, 3162) is mounted on said chassis (100, 2100, 3100) and in communication with said controller (802, 3802), wherein said display assembly (162, 3162) is configured to display information regarding an operating state of the mobile waste collection cart (1000, 2500, 4000) based, at least in part, on said signal representative of the pressure in the at least one container (1020, 1022, 4200, 4202) of the mobile waste collection cart (1000, 2500, 4000).