Optical energy-based methods and apparatus for tissue sealing
US9113933B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2011 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Jan 5, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/2294
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Optical energy-based methods and apparatus for sealing vascular tissue involves deforming vascular tissue to bring different layers of the vascular tissue into contact each other and illuminating the vascular tissue with a light beam having at least one portion of its spectrum overlapping with the absorption spectrum of the vascular tissue. The apparatus may include two deforming members configured to deform the vascular tissue placed between the deforming members. The apparatus may also include an optical system that has a light source configured to generate light, a light distribution element configured to distribute the light across the vascular tissue, and a light guide configured to guide the light from the light source to the light distribution element. The apparatus may further include a cutting member configured to cut the vascular tissue and to illuminate the vascular tissue with light to seal at least one cut surface of the vascular tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.