Abstract: An access device for surgical procedures includes a multiport end cap having a rigid body with a flexible support sealingly mounted to the rigid body with a plurality of separate access ports for accommodating introduction of individual surgical instruments into a body of a patient. At least one of the access ports is sealingly attached to the flexible support and extends in a proximal direction therefrom. The flexible support is of a material more flexible than those of the rigid body and access ports to provide for relative angular movement of at least one of the access ports to provide flexibility for positioning surgical instruments introduced through the access ports. The flexible support can include at least one flexible bellow.

Abstract: An access device for surgical procedures includes a multiport end cap including a plurality of separate access ports for accommodating introduction of individual surgical instruments into the body of a patient. The access ports extend in a proximal direction. The end cap includes a distally extending seal ring. A bottom body has a distally extending tubular body with an access channel defined therethrough for accommodating surgical instruments from the access ports into the body of a patient. The bottom body includes a plurality of circumferentially spaced apart teeth, wherein the seal ring of the end cap is received inside and seals against a proximal rim of the bottom body. The end cap includes at least one flexible tab with distal teeth thereon configured to engage and disengage the teeth of the bottom body to selectively permit or prevent relative axial rotation of the multiport end cap.

Abstract: An access device for surgical procedures includes an end cap having a rigid body with a flexible support sealingly mounted to the rigid body with at least one separate access port for accommodating introduction of individual surgical instruments into a body of a patient. The at least one access port is sealingly attached to the flexible support and extend in a proximal direction therefrom. The flexible support is of a material more flexible than those of the rigid body and the at least one access port to provide for relative angular movement of the at least one access port to provide flexibility for positioning surgical instruments introduced through the at least one access port.

Abstract: A surgical instrument for use in laparoscopic surgical procedures is disclosed that includes an elongated shaped outer shaft having opposed proximal and distal end portions, and having a non-circular cross-sectional profile, an end effector operatively associated with a distal end portion of the shaped outer shaft and including a pair of cooperating jaw members configured for movement between open and closed positions, a proximal handle assembly operatively associated with a proximal end portion of the shaped outer shaft and including a pivoting actuation handle, and an elongated actuation member extending through the shaped outer shaft from the proximal handle assembly to the end effector, whereby movement of the actuation handle causes corresponding movement of the cooperating jaw members.

Abstract: A gas conditioning unit for a surgical gas delivery device is disclosed, which includes a filter housing having an insufflation gas flow path for delivering insufflation gas to a body cavity and for facilitating pressure measurements from the body cavity, a pressurized gas flow path for delivering pressurized gas from a pump in the surgical gas delivery device to an internal nozzle in the filter housing that accelerates the pressurized gas and thereby generates a continuous pressure barrier that inhibits egress of insufflation gas from the body cavity, a vacuum return flow path for returning depressurized gas spent by the internal nozzle back to the pump under vacuum, an air entrainment flow path for drawing air into the body cavity to maintain a given pressure therein, and a smoke evacuation flow path for conveying smoke from the body cavity.

Abstract: A filter cartridge for surgical gas delivery systems includes a filter housing configured to be seated in a filter cartridge interface of a surgical gas delivery system. A first filter element is seated in a first end portion of the filter housing. A second filter element is seated in a second end portion of the filter housing opposite the first end portion. A third filter element is seated in the filter housing between the first and second filter elements. The third filter element can include an activated carbon material, such as an activated carbon disc.

Abstract: A gas conditioning unit for a surgical gas delivery device is disclosed, which includes a filter housing having an insufflation gas flow path for delivering insufflation gas to a body cavity and for facilitating pressure measurements from the body cavity, a pressurized gas flow path for delivering pressurized gas from a pump in the surgical gas delivery device to an internal nozzle in the filter housing that accelerates the pressurized gas and thereby generates a continuous pressure barrier that inhibits egress of insufflation gas from the body cavity, a vacuum return flow path for returning depressurized gas spent by the internal nozzle back to the pump under vacuum, an air entrainment flow path for drawing air into the body cavity to maintain a given pressure therein, and a smoke evacuation flow path for conveying smoke from the body cavity.

Abstract: A gas conditioning unit for a surgical gas delivery device is disclosed, which includes a filter housing having an insufflation gas flow path for delivering insufflation gas to a body cavity and for facilitating pressure measurements from the body cavity, a pressurized gas flow path for delivering pressurized gas from a pump in the surgical gas delivery device to an internal nozzle in the filter housing that accelerates the pressurized gas and thereby generates a continuous pressure barrier that inhibits egress of insufflation gas from the body cavity, a vacuum return flow path for returning depressurized gas spent by the internal nozzle back to the pump under vacuum, an air entrainment flow path for drawing air into the body cavity to maintain a given pressure therein, and a smoke evacuation flow path for conveying smoke from the body cavity.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A cannula assembly for use in robotic surgery is disclosed that includes a robotic cannula having a housing with an open end and a tubular portion extending distally from the housing, the tubular portion being dimensioned to accommodate passage of a surgical instrument having a 12 mm diameter, an adapter assembly configured for engagement within the open end of the cannula housing and including a tubular body with a passage supporting a primary seal dimensioned to accommodate passage of a surgical instrument having a 12 mm diameter, and an insert tube dimensioned to extend through the passage of the body portion of the adapter assembly and the tubular portion of the robotic cannula, the insert tube including a head portion with a passage supporting a secondary seal dimensioned to accommodate a surgical instrument having an 8 mm diameter.

Abstract: The subject invention is directed to a new and useful coupling system for connecting a tube set to a trocar. More particularly, the system includes a trocar connector having no more than two coaxial flow passages formed therein including an inner flow passage and an outer flow passage. The inner flow passage is defined by an inner annular wall and the outer flow passage is defined between the inner annular wall and an outer annular wall. A dual lumen tube set is included with a first tube having a first diameter and a second tube having a second diameter that is greater than the diameter of the first tube. The system further includes a coupling including a generally cylindrical body having a first end portion configured to mate with the two coaxial flow passages of the trocar connector and a second end portion configured for attachment to the two tubes of the dual lumen tube set.

Abstract: A coupling system is disclosed for connecting a tube set to a trocar that includes a multi-lumen trocar having a housing that has a connector extending outwardly from the housing, the connector having a plurality of coaxial flow passages defined therein by a plurality of concentric annular walls, a multi-lumen tube set including a plurality of tubes arranged in a parallel relationship, a coupling including a generally cylindrical body having a first end portion adapted and configured to selectively mate with the coaxial flow passages of the connector of the trocar and a second end portion adapted and configured for attachment to the parallel tubes of the tube set, and a latch assembly operatively associated with the cylindrical body of the coupling for selectively engaging the connector of the trocar housing when the coupling mates with the connector.

Abstract: A surgical instrument for use in laparoscopic surgical procedures is disclosed that includes an elongated shaped outer shaft having opposed proximal and distal end portions, and having a non-circular cross-sectional profile, an end effector operatively associated with a distal end portion of the shaped outer shaft and including a pair of cooperating jaw members configured for movement between open and closed positions, a proximal handle assembly operatively associated with a proximal end portion of the shaped outer shaft and including a pivoting actuation handle, and an elongated actuation member extending through the shaped outer shaft from the proximal handle assembly to the end effector, whereby movement of the actuation handle causes corresponding movement of the cooperating jaw members.

Abstract: A gas conditioning unit for a surgical gas delivery device is disclosed, which includes a filter housing having an insufflation gas flow path for delivering insufflation gas to a body cavity and for facilitating pressure measurements from the body cavity, a pressurized gas flow path for delivering pressurized gas from a pump in the surgical gas delivery device to an internal nozzle in the filter housing that accelerates the pressurized gas and thereby generates a continuous pressure barrier that inhibits egress of insufflation gas from the body cavity, a vacuum return flow path for returning depressurized gas spent by the internal nozzle back to the pump under vacuum, an air entrainment flow path for drawing air into the body cavity to maintain a given pressure therein, and a smoke evacuation flow path for conveying smoke from the body cavity.

Abstract: A system is disclosed for delivering gas during a laparoscopic surgical procedure performed within a patient's abdominal cavity which includes a gas delivery device having a housing with a port for receiving pressurized insufflation gas from a gas source, a pump assembly for circulating gas throughout the system, and a separate gas conditioning unit configured for operative association with the gas delivery device.

Abstract: A system is disclosed for delivering gas during a laparoscopic surgical procedure performed within a patient's abdominal cavity requiring smoke evacuation which includes a gas delivery device having a housing with a port for receiving pressurized insufflating gas from a gas source, a pump assembly for circulating gas throughout the system, and a disposable gas conditioning unit or filter cartridge configured for operative association with the gas delivery device.