# US 2025/0375211 A1 · Aspiration lithotripsy device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0375211 A1 - Document ID: US20250375211A1 - Status: Published application - Kind: A1 - Application number: 19/227,571 - Filed: 2025-06-04 - Published: 2025-12-11 - Earliest claimed: 2024-06-05 - Assignees: Boston Scientific Scimed, Inc. - Applicants: Boston Scientific Scimed, Inc. - Inventors: Cass Alexander Hanson - Web page: https://patentgrep.com/patent/US20250375211A1 ## CPC - A61B 17/2202: {the ultrasound transducer being inside patient's body at the distal end of the catheter} - A61B 17/22022: {using electric discharge} - A61B 2017/00199: {with a console, e.g. a control panel with a display} - A61B 2017/00561: {creating a vacuum} - A61B 2017/22021: {electric leads passing through the catheter} - A61B 2017/22024: {with a part reflecting mechanical vibrations, e.g. for focusing} - A61B 2017/22025: {applying a shock wave (A61B2017/22091 takes precedence)} - A61B 2217/005: with suction drainage system - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract Medical devices and medical device systems are disclosed. An example medical device for treating a thrombotic lesion includes an elongate catheter including a proximal end region, a distal end region, an aspiration lumen and a wire lumen extending therein. The medical device also includes a support shaft coupled to the elongate catheter, wherein the support shaft includes a support lumen and a distal end coupled to a reflector. The medical device also includes an electrically conductive member extending within a portion of the wire lumen, and wherein the conductive member includes a distal end region positioned adjacent to the reflector. The medical device also includes an emitter coupled to the distal end region of the conductive member. Further, the emitter is configured to discharge an electrical pulse directed toward the distal end region of the elongate catheter. ## Claims ### Claim 1 A medical device for treating a thrombotic lesion, comprising: an elongate catheter including a proximal end region, a distal end region, an aspiration lumen and a wire lumen extending therein; a support shaft coupled to the elongate catheter, wherein the support shaft includes a support lumen and a distal end coupled to a reflector; an electrically conductive member extending within a portion of the wire lumen, and wherein the conductive member includes a distal end region positioned adjacent to the reflector; an emitter coupled to the distal end region of the conductive member; wherein the emitter is configured to discharge an electrical pulse directed toward the distal end region of the elongate catheter. ### Claim 2 (depends on 1) The medical device of claim 1, wherein the support lumen is in communication with the wire lumen, and wherein the electrically conductive member extends within at least a portion of the support lumen. ### Claim 3 (depends on 1) The medical device of claim 1, wherein the reflector is spaced away from a distal end of the elongate catheter. ### Claim 4 (depends on 3) The medical device of claim 3, wherein the reflector is parabolic-shaped and defines a concave surface facing the distal end of the elongate catheter. ### Claim 5 (depends on 4) The medical device of claim 4, wherein the emitter is configured to be positioned adjacent to the concave surface of the reflector. ### Claim 6 (depends on 5) The medical device of claim 5, wherein the electrical pulse creates a positive pressure which engages the concave surface and travels proximally toward the distal end of the elongate catheter. ### Claim 7 (depends on 6) The medical device of claim 6, wherein the proximal end region of the catheter is coupled to a pump, and wherein the pump is configured to generate a vacuum within the aspiration lumen of the catheter. ### Claim 8 (depends on 7) The medical device of claim 7, wherein the vacuum generated in the aspiration lumen of the catheter generates a negative pressure adjacent to the distal end of the catheter, and wherein the negative pressure is directed proximally into the aspiration lumen of the catheter. ### Claim 9 (depends on 8) The medical device of claim 8, wherein the positive pressure and the negative pressure are configured to transport thrombus from the thrombotic lesion into the aspiration lumen of the catheter. ### Claim 10 (depends on 9) The medical device of claim 9, wherein the pump is configured to maintain the vacuum within the lumen of the catheter to aspirate the thrombus from a patient. ### Claim 11 (depends on 10) The medical device of claim 10, wherein the positive pressure and the negative pressure are generated at substantially the same time period. ### Claim 12 (depends on 10) The medical device of claim 10, wherein the positive pressure and the negative pressure are generated in sequence. ### Claim 13 (depends on 11) The medical device of claim 11, wherein the distal end of the electrically conductive member is coupled to a controller, and wherein the controller is coupled to the console. ### Claim 14 (depends on 13) The medical device of claim 13, wherein the controller includes one or more actuators, and wherein the one or more actuators are configured to generate the electrical pulse, the vacuum within the catheter lumen, or both the electrical pulse and the vacuum within the catheter lumen. ### Claim 15 A medical device for treating a thrombotic lesion, comprising: an elongate catheter including a proximal end region, a distal end region, an aspiration lumen and a wire lumen extending therein; a support shaft coupled to the elongate catheter, wherein the support shaft includes a support lumen and a distal end coupled to a first reflector and a second reflector; an electrically conductive member extending within a portion of the wire lumen, wherein the conductive member includes a first end region positioned adjacent to the first reflector and a second end region positioned adjacent to the second reflector; a first emitter coupled to the first end region of the conductive member, the first emitter positioned adjacent to the first reflector; a second emitter coupled to the second end region of the conductive member, the second emitter positioned adjacent to the second reflector; wherein the first emitter and the second emitter are configured to discharge an electrical pulse directed toward the distal end region of the elongate catheter. ### Claim 16 (depends on 15) The medical device of claim 15, wherein the support lumen is in communication with the wire lumen, and wherein the electrically conductive member extends within at least a portion of the support lumen. ### Claim 17 (depends on 16) The medical device of claim 16, wherein the first reflector is spaced away from a distal end of the elongate catheter, and wherein the second reflector is spaced away from the first reflector. ### Claim 18 (depends on 17) The medical device of claim 17, wherein the first emitter and the second emitter are each configured to discharge an electrical pulse at substantially the same time. ### Claim 19 A medical device system for treating a thrombotic lesion, comprising: a console including a pump and an arc discharge generator; a controller coupled to the console; an elongate catheter including a proximal end region, a distal end region, an aspiration lumen and a wire lumen extending therein, wherein the proximal end region coupled to the console; a support shaft coupled to the elongate catheter, wherein the support shaft includes a support lumen and a distal end coupled to a reflector; an electrically conductive member extending along the elongate catheter, wherein the conductive member includes a proximal end region and a distal end region positioned adjacent to the reflector, and wherein the proximal end region is coupled to the controller; an emitter coupled to the distal end region of the conductive member; wherein the emitter is configured to discharge an electrical pulse directed toward the distal end region of the elongate catheter. ### Claim 20 (depends on 19) The medical device system of claim 19, wherein the electrical pulse creates a positive pressure which travels proximally toward the lumen of the catheter.