# US 11,026,717 B2 · Separable two-part single lumen gas sealed access port for use during endoscopic surgical procedures > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,026,717 B2 - Document ID: US11026717B2 - Status: Granted - Kind: B2 - Application number: 15/896,337 - Filed: 2018-02-14 - Published: 2018-09-13 - Granted: 2021-06-08 - Earliest claimed: 2017-03-08 - Assignees: Conmed Corporation - Applicants: Conmed Corporation - Inventors: Michael J. Augelli; Mikiya Silver; Michael J. Kane - Web page: https://patentgrep.com/patent/US11026717B2 ## CPC - A61B 17/3421: {Cannulas} - A61B 17/3423: {Access ports, e.g. toroid shape introducers for instruments or hands (access sites for liquids A61M39/0247)} - A61B 17/3462: {with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals (expandable cannulas A61B17/3417)} - A61B 17/3474: {Insufflating needles, e.g. Veress needles} - A61B 17/3498: {Valves therefor, e.g. flapper valves, slide valves (haemostasis valves A61M39/06; check valves A61M39/24)} - A61M 1/71: {Suction drainage systems (containers therefor A61M1/60, A61M1/64; negative pressure wound therapy systems A61M1/90)} - A61M 1/784: {by filtering, sterilising or disinfecting the exhaust air, e.g. swellable filter valves} - A61M 13/006: {with gas recirculation} - A61B 2017/00477: {Coupling (A61B2017/0046 takes precedence)} - A61B 2017/3419: {Sealing means between cannula and body} - A61B 2017/3445: {used as instrument channel for multiple instruments} - A61B 2218/006: for smoke evacuation - A61B 2218/008: for smoke evacuation - A61M 16/0858: {Pressure sampling ports} - A61M 2202/0007: introduced into the body - A61M 2202/0014: removed from the body - A61M 2202/0225: Carbon oxides, e.g. Carbon dioxide - A61M 2205/3344: Measuring or controlling pressure at the body treatment site - A61M 2205/75: with filters - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} ## 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. ## Claims ### Claim 1 A surgical access port for performing an endoscopic surgical procedure in a surgical cavity of a patient, comprising: a proximal housing portion and an elongated single lumen tubular body portion extending distally from the proximal housing portion and defining a central cannula, the proximal housing portion having an inlet path for communicating with a pressurized gas line of a tube set and an outlet path for communicating with a return gas line of the tube set, the proximal housing portion accommodating an annular jet assembly that includes an upper jet ring having a nozzle tube and a lower jet ring defining a nozzle seat for receiving the nozzle tube, wherein the annular jet assembly is configured for receiving pressurized gas from the inlet path and for generating a gaseous sealing zone within the central cannula of the associated tubular body portion to maintain a stable pressure within the surgical cavity of the patient, wherein the proximal housing portion is separable from the tubular body portion. ### Claim 2 (depends on 1) A surgical access port as recited in claim 1, which is adapted and configured to perform smoke evacuation from the surgical cavity of the patient in conjunction with another access port. ### Claim 3 (depends on 1) A surgical access port as recited in claim 1, which is adapted and configured to permit air entrainment into the associated tubular body portion. ### Claim 4 (depends on 1) A surgical access port as recited in claim 1, wherein the tubular body portion includes structure to facilitate manipulation of the device by a robotic surgical system during a robotically assisted endoscopic surgical procedure. ### Claim 5 (depends on 1) A surgical access port as recited in claim 1, wherein the tubular body portion is reusable. ### Claim 6 (depends on 1) A surgical access port as recited in claim 1, wherein the proximal housing portion includes a manifold defining the inlet path and the outlet path, and wherein the inlet and outlet paths of the manifold are concentrically arranged within the manifold. ### Claim 7 (depends on 1) A surgical access port as recited in claim 1, wherein the proximal housing portion includes a manifold defining the inlet path and the outlet path, and wherein the inlet and outlet paths of the manifold are arranged in parallel within the manifold. ### Claim 8 (depends on 1) A surgical access port as recited in claim 1, wherein the proximal housing portion includes diametrically opposed spring biased latches for detachably engaging the tubular body portion. ### Claim 9 (depends on 1) A surgical access port as recited in claim 1, wherein the tubular body portion includes diametrically opposed spring biased latches for detachably engaging the proximal housing portion. ### Claim 10 A surgical access port for performing an endoscopic surgical procedure in a surgical cavity of a patient, comprising: a proximal housing and an elongated single lumen tubular body portion extending distally from the proximal housing and defining a central cannula, the proximal housing having an inlet path for communicating with a pressurized gas line of a tube set and an outlet path for communicating with a return gas line of the tube set, the housing accommodating an annular jet assembly that includes an upper jet ring having a nozzle tube and a lower jet ring defining a nozzle seat for receiving the nozzle tube, wherein the annular jet assembly is configured for receiving pressurized gas from the inlet path and for generating a gaseous sealing zone within the central cannula of the associated tubular body portion to maintain a stable pressure within the surgical cavity of the patient, wherein the proximal housing portion includes diametrically opposed spring biased latches for detachably engaging the tubular body portion. ### Claim 11 (depends on 10) A surgical access port as recited in claim 10, which is adapted and configured to perform smoke evacuation from the surgical cavity of the patient in conjunction with another access port. ### Claim 12 (depends on 10) A surgical access port as recited in claim 10, which is adapted and configured to permit air entrainment into the associated tubular body portion. ### Claim 13 (depends on 10) A surgical access port as recited in claim 10, wherein the tubular body portion includes structure to facilitate manipulation of the device by a robotic surgical system during a robotically assisted endoscopic surgical procedure. ### Claim 14 (depends on 10) A surgical access port as recited in claim 10, wherein the tubular body portion is reusable. ### Claim 15 (depends on 10) A surgical access port as recited in claim 10, wherein the proximal housing portion includes a manifold defining the inlet path and the outlet path, and wherein the inlet and outlet paths of the manifold are concentrically arranged within the manifold. ### Claim 16 (depends on 10) A surgical access port as recited in claim 10, wherein the proximal housing portion includes a manifold defining the inlet path and the outlet path, and wherein the inlet and outlet paths of the manifold are arranged in parallel within the manifold. ### Claim 17 A surgical access port for performing an endoscopic surgical procedure in a surgical cavity of a patient, comprising: a disposable gas sealed housing portion configured for attachment with a reusable single lumen tubular body portion configured for robotic manipulation and defining a central cannula, the housing portion having an inlet path for communicating with a pressurized gas line of a tube set and an outlet path for communicating with a return gas line of the tube set, the housing portion accommodating an annular jet assembly that includes an upper jet ring having a nozzle tube and a lower jet ring defining a nozzle seat for receiving the nozzle tube, wherein the annular jet assembly is configured for receiving pressurized gas from the inlet path and for generating a gaseous sealing zone within the central cannula of the tubular body portion to maintain a stable pressure within the surgical cavity of the patient. ### Claim 18 (depends on 17) A surgical access port as recited in claim 17, wherein the proximal housing portion includes diametrically opposed spring biased latches for detachably engaging the tubular body portion. ### Claim 19 (depends on 17) A surgical access port as recited in claim 17, wherein the proximal housing portion includes a manifold defining the inlet path and the outlet path, and wherein the inlet and outlet paths of the manifold are concentrically arranged within the manifold.