Patent · US Active

Cryosurgical instrument with enhanced heat transfer

US7967815B1 · kind B1 · utility

18Cited by
224References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 2010
Grant dateJun 28, 2011
Priority date
Expiry dateMar 25, 2030

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2018/0268
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Cryosurgical instruments and methods utilizing improved heat transfer characteristics. A cryosurgical device includes: a tubular housing; a cryogen supply passage; a heat exchange enhancing member in the housing, disposed along a longitudinal axis of the housing; an annular cooling passage between the heat exchange enhancing member and the tubular housing; a tip cooling and cryogen flow directing section that transmits a temperature of a cryogen flow to the tip, and an insulation element in the tubular housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.