Cooling laser handpiece with refillable coolant reservoir
US5820626A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 30, 1996 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Jul 30, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N5/0616
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A laser handpiece apparatus for use in therapeutic procedures employing selective cooling, the apparatus for use in conjunction with a controllable laser source, the apparatus including laser delivery device for controllably delivering a predetermined amount of laser energy to a preselected surface area, a reservoir having a predetermined volume, cryogen liquid contained in the reservoir, and a valve for controllably delivering a portion of the cryogen liquid to the preselected surface area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.