# US 11,992,599 B2 · Urinary drainage system with air pressure apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,992,599 B2 - Document ID: US11992599B2 - Status: Granted - Kind: B2 - Application number: 17/561,504 - Filed: 2021-12-23 - Published: 2022-07-14 - Granted: 2024-05-28 - Earliest claimed: 2021-01-08 - Assignees: C. R. Bard, Inc. - Applicants: C. R. Bard, Inc. - Inventors: Varad Chavan - Web page: https://patentgrep.com/patent/US11992599B2 ## CPC - A61M 1/86: {Connectors between drainage tube and handpiece, e.g. drainage tubes detachable from handpiece} - A61M 1/70: {Gravity drainage systems (drainage containers not being adapted for subjection to vacuum A61M1/69)} - A61M 1/83: {Tube strippers, i.e. for clearing the contents of the tubes} - A61M 25/0017: {specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections} - A61M 27/00: Drainage appliance for wounds or the like {, i.e. wound drains, implanted drains} ({negative pressure wound therapy devices A61M1/90;} implements for holding wound open A61B17/02 {; middle ear drainage A61F11/202}) - A61M 2025/0019: {Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement} - A61M 2202/0496: Urine - A61M 2210/1085: Bladder - A61M 2210/1089: Urethra - 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 urinary drainage system is disclosed herein. The urinary drainage system can include an air pressure apparatus with a connector having an elongate connector body. The connector includes a lumen having a larger proximal lumen diameter and a smaller distal lumen diameter. The system includes an air intake adapter having an elongate adapter body, including a proximal end having a proximal opening configured to be coupled to the distal end of the connector. The adapter can include an air intake port in fluid communication with the adapter lumen, the adapter lumen having a larger proximal lumen diameter and a smaller distal lumen diameter. ## Claims ### Claim 1 A urinary drainage system, comprising: an air pressure apparatus, comprising: a connector having a connector body defining a connector lumen extending along a longitudinal axis between a proximal opening and a distal opening of the connector, the proximal opening of the connector in fluid communication with a catheter; and an adapter comprising: an adapter body defining an adapter lumen extending along the longitudinal axis, the adapter lumen including a proximal end having a proximal opening configured to engage the connector body at a point proximal of the distal opening of the connector, wherein: the adapter lumen is in fluid communication with the connector lumen when the proximal opening of the adapter lumen is engaged with the connector body, and a lumen diameter of the proximal opening of the adapter lumen is larger than an outer diameter of the distal opening of the connector; an air intake port extending perpendicular to the longitudinal axis and in fluid communication with the adapter lumen, the air intake port configured to provide a positive air flow to the adapter lumen proximally of the distal opening of the connector and to draw a fluid flow distally through the distal opening of the connector; and a luminal space defined by an inner wall of the adapter lumen and an outer surface of the connector adjacent the distal opening of the connecter and extending annularly about a distal portion of the connector, the luminal space in fluid communication with the air intake port. ### Claim 2 (depends on 1) The urinary drainage system according to claim 1, wherein the adapter includes a distal opening in fluid communication with a fluid collecting bag. ### Claim 3 (depends on 2) The urinary drainage system according to claim 2, wherein the fluid collecting bag is coupled directly to the distal opening of the adapter. ### Claim 4 (depends on 2) The urinary drainage system according to claim 2, wherein the fluid collecting bag is coupled to a second drainage tube that provides fluid communication with the distal opening of the adapter . ### Claim 5 (depends on 4) The urinary drainage system according to claim 4, wherein the second drainage tube engages the distal opening of the adapter with one of a press fit or interference fit engagement. ### Claim 6 (depends on 1) The urinary drainage system according to claim 1, wherein the catheter is coupled directly to the proximal end of the connector. ### Claim 7 (depends on 6) The urinary drainage system according to claim 6, wherein the catheter is coupled to the connector with one of a press fit or interference fit engagement. ### Claim 8 (depends on 1) The urinary drainage system according to claim 1, wherein the catheter is coupled to a first drainage tube that provides fluid communication with the catheter. ### Claim 9 (depends on 1) The urinary drainage system according to claim 1, wherein the proximal opening of the adapter engaged with the connector body forms a fluid tight seal therebetween. ### Claim 10 (depends on 1) The urinary drainage system according to claim 1, wherein the adapter is configured to form the positive air flow received through the air intake port into a vortex extending about the distal portion of the connector. ### Claim 11 (depends on 1) The urinary drainage system according to claim 1, wherein the proximal opening of the adapter is threadedly engaged with the connector body. ### Claim 12 (depends on 1) The urinary drainage system according to claim 1, wherein the connector includes one or more lateral ports extending perpendicular to the longitudinal axis of the connector lumen, the one or more lateral ports being in fluid communication with the connector lumen and configured to draw a fluid sample therethrough. ### Claim 13 (depends on 1) The urinary drainage system according to claim 1, wherein a proximal end of the connector includes a catheter attachment. ### Claim 14 (depends on 1) The urinary drainage system according to claim 1, wherein the catheter is configured to drain a fluid from a body of a patient. ### Claim 15 (depends on 1) The urinary drainage system according to claim 1, wherein the catheter includes one of an indwelling catheter, a Foley catheter, a balloon catheter, or a peritoneal drainage catheter. ### Claim 16 (depends on 1) The urinary drainage system according to claim 1, wherein the connector and the adapter are disposable or reusable. ### Claim 17 A method for clearing a fluid from a catheter, comprising: coupling an air pressure apparatus to a distal end of the catheter and coupling a fluid collecting bag to a proximal end of the air pressure apparatus, the air pressure apparatus having a connector disposed proximally and defining a connector lumen extending between a proximal opening and a distal opening and an adapter disposed distally and defining an adapter lumen, the adapter engaging the connector at a point proximally of the distal opening of the connector to define a luminal space therebetween; passing an acquired volume of fluid from the catheter to the fluid collecting bag; providing a positive air pressure into the luminal space of the adapter by way of an air intake port; and drawing a fluid flow through the distal opening of the connector to clear the catheter of a residual volume of fluid. ### Claim 18 (depends on 17) The method according to claim 17, wherein coupling the air pressure apparatus to the catheter further includes coupling a first drainage tube to the catheter to provide fluid communication with the air pressure apparatus. ### Claim 19 (depends on 18) The method according to claim 18, wherein coupling the air pressure apparatus to the fluid collecting bag further includes coupling a second drainage tube to the distal end of the adapter. ### Claim 20 (depends on 17) The method according to claim 17, wherein the connector lumen and the adapter lumen are in fluid communication with the catheter and the fluid collecting bag. ### Claim 21 (depends on 17) The method according to claim 17, wherein passing the acquired volume of fluid includes passing by gravity flow. ### Claim 22 (depends on 17) The method according to claim 17, wherein providing the positive air pressure includes coupling an air hose that is connected to a motor, to the air intake port of the adapter. ### Claim 23 (depends on 17) The method according to claim 17, wherein coupling the catheter to the connector includes one of a press fit or interference fit engagement. ### Claim 24 (depends on 17) The method according to claim 17, wherein providing the positive air pressure includes creating a vortex of positive air pressure around the distal opening of the connector. ### Claim 25 (depends on 24) The method according to claim 24, wherein drawing a fluid flow through the distal opening of the connector includes using the vortex of positive air pressure to draw the fluid into the connector lumen.