# US 2025/0082930 A1 · Delivery devices and methods for leadless cardiac devices > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0082930 A1 - Document ID: US20250082930A1 - Status: Published application - Kind: A1 - Application number: 18/956,850 - Filed: 2024-11-22 - Published: 2025-03-13 - Earliest claimed: 2014-10-22 - Assignees: Cardiac Pacemakers, Inc. - Applicants: Cardiac Pacemakers, Inc. - Inventors: BENJAMIN J. HAASL; BRIAN L. SCHMIDT - Web page: https://patentgrep.com/patent/US20250082930A1 ## CPC - A61N 1/0587: {Epicardial electrode systems; Endocardial electrodes piercing the pericardium} - A61M 25/0068: {Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure} - A61N 1/37205: {Microstimulators, e.g. implantable through a cannula} - A61N 1/3756: {Casings with electrodes thereon, e.g. leadless stimulators} - A61M 25/0069: {Tip not integral with tube} - A61M 2025/0081: {Soft tip} - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) - 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 Delivery devices, systems, and methods for delivering implantable leadless pacing devices are disclosed. An example delivery device may include a proximal section including a deflection mechanism for deflecting the proximal section, and a distal holding section extending distally of a distal end of the proximal section and defining a cavity therein for receiving an implantable leadless pacing device. The distal holding section may be structured to have portions that flex and bend while allowing the implantable device to be recaptured within the distal holding section. ## Claims ### Claim 1 A delivery device for delivering an implantable leadless pacing device, comprising: an elongate shaft having a first outer diameter; and a distal holding section extending distally from a distal end of the elongate shaft, the distal holding section having a second outer diameter greater than the first outer diameter, the distal holding section including a polymeric body with a sidewall defining a cavity for receiving the implantable leadless pacing device, the sidewall having a reinforcing element embedded within the polymeric body, the polymeric body including one or more conductive pathways extending through the sidewall into the cavity. ### Claim 2 (depends on 1) The delivery device of claim 1, wherein the one or more conductive pathways include one or more sections in the sidewall that include a conductive material. ### Claim 3 (depends on 2) The delivery device of claim 2, wherein the conductive material is a metal. ### Claim 4 (depends on 1) The delivery device of claim 1, wherein the reinforcing element includes a radiopaque material. ### Claim 5 (depends on 1) The delivery device of claim 1, wherein the reinforcing element is a helically wound coil embedded within the polymeric body and extending along a length of the distal holding section from a point adjacent a distal end of the distal holding section to a point distal of a proximal end of the distal holding section. ### Claim 6 (depends on 5) The delivery device of claim 5, wherein the polymeric body comprises a first polymer having a first durometer along a length of the helically wound coil and a second polymer having a second durometer extending from a proximal end of the helically wound coil to the proximal end of the distal holding section. ### Claim 7 (depends on 6) The delivery device of claim 6, wherein the first durometer is less than the second durometer. ### Claim 8 (depends on 5) The delivery device of claim 5, wherein the helically wound coil comprises a proximal section having a first pitch and a distal section having a second pitch different from the first pitch. ### Claim 9 (depends on 8) The delivery device of claim 8, wherein the first pitch is less than the second pitch. ### Claim 10 (depends on 1) The delivery device of claim 1, wherein the reinforcing element includes a braided reinforcing element embedded in the polymeric body. ### Claim 11 (depends on 10) The delivery device of claim 10, wherein the distal holding section includes a distal tip portion comprising a material having a durometer less than a durometer of the polymeric body. ### Claim 12 (depends on 10) The delivery device of claim 10, wherein a proximalmost end of the braided reinforcing element is disposed within the distal holding section. ### Claim 13 (depends on 1) The delivery device of claim 1, wherein the reinforcing element includes a nitinol cage surrounded by the polymeric body. ### Claim 14 (depends on 13) The delivery device of claim 13, wherein the nitinol cage comprises a distal band positioned adjacent a distal end of the distal holding section, a proximal band positioned adjacent a proximal end of the distal holding section, and a plurality of struts extending between the distal band and the proximal band. ### Claim 15 A delivery device for delivering an implantable leadless pacing device, comprising: a proximal elongate shaft having a first outer diameter; a distal holding section extending distally from a distal end of the proximal elongate shaft, the distal holding section having a second outer diameter greater than the first outer diameter and defining a cavity therein with a distal facing opening for receiving the implantable leadless pacing device; and wherein the distal holding section is defined by a sidewall including a reinforcing element and one or more conductive pathways. ### Claim 16 (depends on 15) The delivery device of claim 15, wherein the one or more conductive pathways include one or more sections of conductive material extending across the sidewall. ### Claim 17 (depends on 16) The delivery device of claim 16, wherein the one or more sections of conductive material comprise a metal. ### Claim 18 (depends on 15) The delivery device of claim 15, wherein the reinforcing element includes a braided reinforcing element embedded in the sidewall. ### Claim 19 (depends on 18) The delivery device of claim 18, wherein the distal holding section includes a body portion and a distal tip portion distal of the body portion, wherein the body portion comprises a first polymeric material having a first durometer hardness and the distal tip portion comprises a second polymeric material having a second durometer hardness less than the first durometer hardness of the first polymeric material. ### Claim 20 (depends on 18) The delivery device of claim 18, wherein a proximalmost end of the braided reinforcing element is disposed within the distal holding section.