Patent · US Expired

Cooling laser handpiece with refillable coolant reservoir

US5820626A · kind A · utility

159Cited by
12References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 30, 1996
Grant dateOct 13, 1998
Priority date
Expiry dateJul 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.