Devices and methods for treatment of dermatological conditions
US11517365B1 · kind B1 · utility
1Cited by
3References
7Claims
0Family size
Inventors
Key dates
| Filing date | Feb 3, 2017 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Sep 24, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/036
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Embodiments described herein are directed to a system for providing alternating freeze and thaw cycles. The system includes a controller, a vessel for holding a working fluid, a pressure generator, a cooler, a cooler heat exchanger, a heater, a heater heat exchanger, a check valve, and a treatment instrument. In some embodiments, the treatment instrument includes a distal end, a proximal end, a connecting portion adjacent to the proximal end, a needle element adjacent the distal end, a handle portion disposed between the proximal and distal end, and a depth-limiting element to limit an injection depth of the needle element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.