# US 2025/0375239 A1 · Perforation device with conductive guidewire > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0375239 A1 - Document ID: US20250375239A1 - Status: Published application - Kind: A1 - Application number: 19/303,691 - Filed: 2025-08-19 - Published: 2025-12-11 - Earliest claimed: 2023-03-02 - Assignees: Edwards Lifesciences Corporation - Applicants: Edwards Lifesciences Corporation - Inventors: David Maimon - Web page: https://patentgrep.com/patent/US20250375239A1 ## CPC - A61B 18/14: Probes or electrodes therefor - A61B 18/1492: {having a flexible, catheter-like structure, e.g. for heart ablation (A61B18/1477 takes precedence)} - A61F 2/2433: {using balloon catheter} - A61M 25/09: Guide wires - A61B 2018/00077: {high, i.e. electrically conducting} - A61B 2018/00208: {actively driven, e.g. by a motor} - A61B 2018/00369: {Heart valves} - A61B 2018/00601: {Cutting} - A61B 2018/1422: {Hook} - A61B 2018/144: {Wire} - A61B 2018/1465: {Deformable electrodes} - A61B 2018/1475: {Electrodes retractable in or deployable from a housing} - A61F 2/2418: {Scaffolds therefor, e.g. support stents} - A61M 2025/09175: {having specific characteristics at the distal tip} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - 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) - 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 perforation device constituted of a guidewire extending from a proximal portion to a distal portion thereof, wherein the distal portion of the guidewire comprises a first section, the first section comprising an electrically conductive surface, and wherein the distal portion of the guidewire comprises a non-straight shape in a free state thereof. ## Claims ### Claim 1 A perforation device comprising: a guidewire extending from a proximal portion to a distal portion thereof, wherein the distal portion of the guidewire comprises a first section, the first section comprising an electrically conductive surface, and wherein the distal portion of the guidewire comprises a non-straight shape in a free state thereof. ### Claim 2 (depends on 1) The device of claim 1, wherein the distal portion of the guidewire comprises a generally curved shape. ### Claim 3 (depends on 1) The device of claim 1, wherein the first section of the distal portion of the guidewire comprises a distal face and a proximal face opposing the distal face, the proximal face facing the proximal portion of the guidewire. ### Claim 4 (depends on 3) The device of claim 3, wherein the distal face of the first section comprises a generally convex shape and the proximal face of the first section comprises a generally concave shape. ### Claim 5 (depends on 4) The device of claim 4, wherein the first section of the distal portion defines an apex of the generally convex shape. ### Claim 6 (depends on 1) The device of claim 1, wherein the distal portion of the guidewire is pre-shaped such that responsive to the distal portion of the guidewire being released from an enclosure the distal portion forms into the non-straight shape. ### Claim 7 (depends on 1) The device of claim 1, further comprising an electric current source configured to provide electric current to the guidewire. ### Claim 8 (depends on 1) The device of claim 1, further comprising an adjustment mechanism configured to rotate the guidewire. ### Claim 9 A perforation method, the method comprising: extending a guidewire to a predetermined anatomical location; and providing an electric current to the guidewire such that the electric current creates an elongated shaped perforation in a section of material at the predetermined anatomical location. ### Claim 10 (depends on 9) The method of claim 9, wherein the material at the predetermined anatomical location comprises tissue. ### Claim 11 (depends on 9) The method of claim 9, wherein the material at the predetermined anatomical location comprises a portion of an implanted artificial structure. ### Claim 12 (depends on 9) The method of claim 9, wherein the predetermined anatomical location is a native aortic valve. ### Claim 13 (depends on 12) The method of claim 12, wherein the material is a leaflet of the native aortic valve. ### Claim 14 (depends on 12) The method of claim 12, wherein the material is a portion of a previously implanted prosthetic valve. ### Claim 15 (depends on 12) The method of claim 12, further comprising inserting an inflatable balloon through the perforation. ### Claim 16 (depends on 12) The method of claim 12, further comprising inserting an expandable prosthetic valve into the perforation. ### Claim 17 (depends on 9) The method of claim 9, wherein the guidewire extends from a proximal portion to a distal portion thereof, wherein the distal portion of the guidewire comprises a first section, the first section comprising an electrically conductive surface, and wherein the perforation is created by applying the electrically conductive surface of the first section to the material of the predetermined anatomical location. ### Claim 18 (depends on 17) The method of claim 17, wherein the distal portion of the guidewire comprises a non-straight shape. ### Claim 19 (depends on 17) The method of claim 17, wherein the distal portion of the guidewire comprises a generally curved shape. ### Claim 20 (depends on 17) The method of claim 17, wherein the first section of the distal portion of the guidewire comprises a distal face and a proximal face opposing the distal face, the proximal face facing the proximal portion of the guidewire. ### Claim 21 (depends on 20) The method of claim 20, wherein the distal face of the first section comprises a generally convex shape and the proximal face of the first section comprises a generally concave shape.