A surgical access system, includes a gas insufflation device, a multi-instrument access platform and a surgical smoke evacuation device, wherein the gas insufflation device is connected to a connector of the multi-instrument access platform, and an outlet and an inlet of the multi-instrument access platform are respectively connected to an inflow tube and an outflow tube of the surgical smoke evacuation device.

A manifold assembly for a surgical gas delivery system is disclosed, which includes a manifold body including an inlet port for receiving a gas from an outlet side of a compressor and an outlet port for recirculating the gas to an inlet side of the compressor, a bypass valve communicating with the inlet port and the outlet port of the manifold body, an air ventilation valve for dynamically controlling an ingress of air from an atmosphere, a smoke evacuation valve for dynamically controlling an egress of the gas from the manifold assembly when the surgical gas delivery system is operating in a smoke evacuation mode, and a gas fill valve for dynamically controlling the a receipt of the gas from a source of surgical gas.

A system for performing an endoscopic surgical procedure in a surgical cavity of a patient that includes a multi-lumen tube set including a dual lumen portion having a pressurized gas line and a return gas line for facilitating gas recirculation relative to the surgical cavity of the patient, and a single lumen portion having a gas supply and sensing line for delivering insufflation gas to the surgical cavity of the patient and for periodically sensing pressure within the surgical cavity of the patient, a first gas sealed single lumen access port communicating with the dual lumen portion of the tube set and a second valve sealed single lumen access port communicating with the single lumen portion of the tube set.

According to one embodiment, a trocar assembly having a proximal end and a distal end comprises an inner tubular member and an outer tubular member. The inner tubular member is formed with an opening at the proximal end and an opening at the distal end, the openings adapted to provide access for one or more surgical instruments during a surgical procedure. The outer tubular member is disposed about the inner tubular member, the outer tubular member being partitioned into at least a first chamber and a second chamber, wherein: the inner tubular member is separated from the outer tubular member by an inner wall; the first chamber is separated from the second chamber; and the first chamber and the second chamber are defined by the inner wall and an outer wall of the outer tubular member.

Breathable medical circuit components and materials and methods for forming these components incorporate breathable foamed materials that are permeable to water vapor and substantially impermeable to liquid water and the bulk flow of gases. The materials and methods can be incorporated into a variety of components, including tubes, Y-connectors, catheter mounts, and patient interfaces and are suitable for use in a variety of medical circuits, including insufflation, anesthesia, and breathing circuits.

A system for performing an endoscopic surgical procedure in a surgical cavity of a patient that includes a multi-lumen tube set including a dual lumen portion having a pressurized gas line and a return gas line for facilitating gas recirculation relative to the surgical cavity of the patient, and a single lumen portion having a gas supply and sensing line for delivering insufflation gas to the surgical cavity of the patient and for periodically sensing pressure within the surgical cavity of the patient, a first gas sealed single lumen access port communicating with the dual lumen portion of the tube set and a second valve sealed single lumen access port communicating with the single lumen portion of the tube set.

A filter cartridge assembly is disclosed, which includes a housing having a reservoir for collecting fluids entering the housing through a gas return path, a sensor located within the reservoir for detecting a fluid level therein, and a backer plate positioned within the housing adjacent an inlet port to the reservoir and including fluid management structure to shield the sensor from fluid entering the reservoir from the gas return path through the inlet port and causing a false indication of the fluid level in the reservoir.

According to one embodiment, a trocar assembly having a proximal end and a distal end comprises an inner tubular member and an outer tubular member. The inner tubular member is formed with an opening at the proximal end and an opening at the distal end, the openings adapted to provide access for one or more surgical instruments during a surgical procedure. The outer tubular member is disposed about the inner tubular member, the outer tubular member being partitioned into at least a first chamber and a second chamber, wherein: the inner tubular member is separated from the outer tubular member by an inner wall; the first chamber is separated from the second chamber; and the first chamber and the second chamber are defined by the inner wall and an outer wall of the outer tubular member.

Condensation or rain-out is a problem in medical circuits and previous attempts to manage and/or prevent rain-out have resulted in relatively expensive and/or difficult to manufacture medical circuit components. The subject patent provides an improved medical circuit component for managing rain-out. In particular the component may be an improved breathing tube, or insufflation system limb comprising a helically corrugated tube preferably incorporating a heater wire.

A system and method is disclosed for controlling the performance of a pneumatically sealed trocar, wherein the system includes a controller for delivering variable DC voltage to a DC motor, a DC motor operatively connected to the controller for driving a pump operatively connected to a pneumatically sealed trocar, a pump driven by the DC motor for circulating pressurized gas through the pneumatically sealed trocar, and a sensor for sensing pressure and flow parameters between the pump and the pneumatically sealed trocar to provide a feedback control signal to the controller so that the controller can vary the voltage delivered to the DC motor to affect the output pressure and flow of the pump during a laparoscopic surgical procedure.