# US 2021/0330933 A1 · Catheter with valves > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0330933 A1 - Document ID: US20210330933A1 - Status: Published application - Kind: A1 - Application number: 16/856,937 - Filed: 2020-04-23 - Published: 2021-10-28 - Earliest claimed: 2020-04-23 - Assignees: Covidien LP - Applicants: Covidien LP - Inventors: David J. Miller - Web page: https://patentgrep.com/patent/US20210330933A1 ## CPC - A61M 25/0017: {specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections} - A61F 2/0013: {inflatable} - A61M 25/0026: {Multi-lumen catheters with stationary elements (catheter assemblies comprising a catheter in combination with a guide tube, sheath or sleeve A61M2025/0681; catheters comprising telescoping coaxial elements A61M2025/0175)} - A61M 25/0075: {Valve means} - A61M 25/0097: {characterised by the hub (tube connectors or tube couplings A61M39/10)} - A61M 25/04: in the body, e.g. expansible {(A61M25/10, A61M16/0488 take precedence)} - A61M 25/10: Balloon catheters ({A61M25/0125 takes precedence; embolectomy A61B17/22032; retractors A61B17/02;} inflatable balloons for placing stents or stent-grafts A61F2/958 {; stomach balloons for treatment of obesity A61F5/0003; oesophagal tubes A61J15/00}) - A61M 25/007: {Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked} - A61M 2025/0002: {with a pressure sensor at the distal end} - A61M 2025/0076: {Unidirectional valves} - A61M 2205/3303: Using a biosensor - A61M 2205/3331: Pressure; Flow - A61M 2210/1085: Bladder - 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)} - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) ## Abstract In some examples, a catheter includes an elongated body defining an injection lumen, a drainage lumen, and an inflation lumen. The elongated body includes an anchoring member positioned on a proximal portion of the elongated body. A sensor is positioned on a distal portion of the elongated body or distal to a distal end of the elongated body. The medical device includes an active valve positioned in or about the drainage lumen The active valve is configured to move between a closed state in which, when a proximal end of the elongated body is positioned in a bladder of a patient, the active valve is configured to retain fluid in the bladder, and an open state in which the active valve enables drainage of fluid from the bladder via the drainage lumen. ## Claims ### Claim 1 A catheter comprising: an elongated body defining an injection lumen, a drainage lumen, and an inflation lumen, the elongated body comprising a proximal portion and a distal portion; an anchoring member positioned on the proximal portion of the elongated body, the anchoring member being fluidically coupled to the inflation lumen; and an active valve positioned in or about the drainage lumen, wherein the active valve is configured to move between a closed state in which, when a proximal end of the elongated body is positioned in a bladder of a patient, the active valve is configured to retain fluid in the bladder, and an open state in which the active valve enables drainage of fluid from the bladder via the drainage lumen. ### Claim 2 (depends on 1) The catheter of claim 1, further comprising a check valve configured to prevent air from flowing through the drainage lumen. ### Claim 3 (depends on 1) The catheter of claim 1, further comprising control circuitry, the control circuitry being configured to determine a condition has occurred and in response to determining the condition has occurred to control the active valve to open the active valve. ### Claim 4 (depends on 3) The catheter of claim 3, wherein the condition is based on a time. ### Claim 5 (depends on 4) The catheter of claim 4, wherein the time is one of a time the catheter was inserted into a patient, a last time the active valve was closed, or a last time the active valve was opened. ### Claim 6 (depends on 3) The catheter of claim 3, wherein the condition is based on sensor data. ### Claim 7 (depends on 6) The catheter of claim 6, wherein the sensor data comprises data indicative of a bladder pressure. ### Claim 8 (depends on 6) The catheter of claim 6, further comprising a sensor configured to sense the sensor data indicative of a condition of the bladder. ### Claim 9 (depends on 3) The catheter of claim 3, wherein the condition is based on user input. ### Claim 10 (depends on 3) The catheter of claim 3, wherein the condition is a first condition and the control circuitry is further configured to: determine a second condition has occurred; and in response to determining the second condition has occurred, control the active valve to close the active valve to retain fluid in the bladder of the patient. ### Claim 11 (depends on 10) The catheter of claim 10, wherein the second condition is based on one of a time the active valve was last opened, sensor data or user input. ### Claim 12 (depends on 1) The catheter of claim 1, wherein the injection lumen is configured to transport fluid from the distal portion of the elongated body to a fluid opening on the proximal portion of the elongated body. ### Claim 13 (depends on 1) The catheter of claim 1, wherein the drainage lumen is configured to transport fluid from the proximal portion of the elongated body to a fluid opening on the distal portion of the elongated body. ### Claim 14 (depends on 1) The catheter of claim 1, further comprising a sensor positioned on the distal portion of the elongated body or distal to a distal end of the elongated body. ### Claim 15 (depends on 14) The catheter of claim 14, further comprising a hub at the distal end of the elongated body, wherein the sensor is positioned on the hub. ### Claim 16 (depends on 14) The catheter of claim 14, further comprising a hub at the distal end of the elongated body, wherein the sensor is positioned distal to the hub. ### Claim 17 (depends on 14) The catheter of claim 14, wherein the sensor is a dissolved oxygen sensor. ### Claim 18 A method comprising: determining, by control circuitry, a condition has occurred; and in response to determining the condition has occurred, control an active valve of a catheter to open the active valve, the catheter comprising: an elongated body defining an injection lumen, a drainage lumen, and an inflation lumen, the elongated body comprising a proximal portion and a distal portion; an anchoring member positioned on the proximal portion of the elongated body, the anchoring member being fluidically coupled to the inflation lumen; and the active valve positioned in or about the drainage lumen, wherein the active valve is configured to move between a closed state in which, when a proximal end of the elongated body is positioned in a bladder of a patient, the active valve is configured to retain fluid in the bladder, and the open state in which the active valve enables the drainage of fluid from the bladder of the patient via the drainage lumen. ### Claim 19 (depends on 18) The method of claim 18, wherein determining the condition has occurred comprises receiving sensor data indicative of a bladder condition from a sensor and determining the condition has occurred based on the sensor data. ### Claim 20 (depends on 19) The method of claim 19, wherein the sensor data comprises bladder pressure data. ### Claim 21 (depends on 18) The method of claim 18, wherein determining whether the condition has occurred comprises determining the condition has occurred based on a time. ### Claim 22 (depends on 21) The method of claim 21, wherein the time is one of a time the catheter was inserted in a patient, a last time the active valve was closed, or a last time the active valve was opened. ### Claim 23 (depends on 18) The method of claim 18, wherein determining whether the condition has occurred comprises receiving user input and determining the condition has occurred based on the user input. ### Claim 24 (depends on 18) The method of claim 18, wherein the catheter further comprises: a hub connected to the distal portion of the elongated body; and a sensor positioned on the hub or distal to the hub. ### Claim 25 (depends on 24) The method of claim 24, wherein the sensor is a dissolved oxygen sensor. ### Claim 26 (depends on 18) The method of claim 18, wherein the catheter is a Foley catheter. ### Claim 27 (depends on 18) The method of claim 18, wherein the condition is a first condition and the method further comprises: determining, by the control circuitry, a second condition has occurred; and in response to determining the second condition has occurred, controlling the active valve to close the active valve to retain fluid in the bladder of the patient. ### Claim 28 (depends on 27) The method of claim 27, wherein the second condition is based on one of a time the active valve was last opened, sensor data or user input. ### Claim 29 A Foley catheter comprising: an elongated body defining an injection lumen, a drainage lumen, and an inflation lumen, the elongated body comprising a proximal portion and a distal portion; an anchoring member positioned on the proximal portion of the elongated body and fluidically coupled to the inflation lumen; a sensor positioned on the distal portion of the elongated body or distal to a distal end of the elongated body, the sensor configured to sense a substance of interest; a check valve positioned in or about the drainage lumen, the check valve being configured to prevent air from flowing through the drainage lumen; and an active valve positioned in or about the drainage lumen, the active valve being configured to move between a closed state in which, when a proximal end of the elongated body is positioned in a bladder of the patient, the active valve is configured to retain fluid in the bladder, and an open state in which the active valve enables drainage of the fluid from the bladder via the drainage lumen. ### Claim 30 (depends on 29) The Foley catheter of claim 29, the sensor comprises a dissolved gas sensor and the dissolved gas sensor comprises a dissolved oxygen sensor.