Focused treatment tip design and method to optimize heat transfer through low temperature fluids and gases
US11284930B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2020 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Apr 24, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/0256
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A focused treatment tip (FTT) for controlling the evaporation rate and providing targeted delivery of low temperature liquified gases for contact with living tissue includes a contoured body. When filled with liquified gas, the device insulates the gas from waste heat sources, such as the surrounding environment. The device can control the evaporation rate of the liquified gas at the treatment site. The controlled evaporation rate affects the rate of heat transfer from the treated tissue allowing for controlled exposure times and desired outcomes. The device can be used with various application tips to further define the target tissue area to be treated while minimizing collateral damage to surrounding tissue and isolating the gas within the contoured body and focusing heat transfer to the desired treatment area. The device may use transparent materials that make the treatment visible to the operator while the liquified gas is evaporating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.