Medical device for removing an implanted object using laser cut hypotubes
US12303165B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2020 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Jun 15, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2001/0578
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and devices for separating an implanted object, such as a pacemaker lead, from tissue surrounding such object in a patient's vasculature system. A surgical device includes a handle, an elongate inner sheath and a circular cutting blade that extends from the distal end of the sheath upon actuating the handle. The circular cutting blade is configured to engage the tissue surrounding an implanted lead and cut such tissue in a coring fashion as the surgical device translates along the length of the lead, thereby allowing the lead to enter the device's elongate shaft. The surgical device has a barrel cam cylinder in the handle assembly that imparts rotation of the blade. The inner sheath and outer sheath are constructed of laser-cut hypotubes, thereby allowing the surgical device, particularly the sheath assembly, to have a smaller profile for navigating smaller sized vasculature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.