Stabilizing pressure in cryogenic devices
US11779383B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 24, 2020 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Dec 1, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/065
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods for stabilizing pressure within a cryogenic device include receiving a flow rate value corresponding to an expected average mass flow rate of a cryogen through a needle probe of the cryogenic device during a cryotherapy treatment cycle; determining, based on the flow rate value, a target heater power to be applied to a heater associated with the cryogenic device for a treatment cycle, wherein the heater is configured to heat the cryogen; receiving an input for the treatment cycle; causing the cryogen to flow for a period of time toward the needle probe in response to the input; and apply the target heater power to the heater during the treatment cycle so as to heat the cryogen and stabilize pressure within the cryogenic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.