Patent · US Active

Cryosurgical probe with vacuum insulation tube assembly

US7909227B2 · kind B2 · utility

17Cited by

7References

5Claims

0Family size

Assignee

Endocare, Inc. · US

Inventors

Thach Duong · Garden Grove, US
Jenny C. Liu · Irvine, US
Jay J. Eum · Irvine, US

Key dates

Filing date	Dec 19, 2006
Grant date	Mar 22, 2011
Priority date	—
Expiry date	Nov 23, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2018/0262
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A vacuum insulation tube assembly which is utilized as a component in a cryosurgical probe. The vacuum insulation tube assembly includes an inner tube; and, an outer tube concentrically positioned about the inner tube. The outer tube is securely soldered at end portions of the inner tube and forms a vacuum space between the inner tube and the outer tube. The vacuum tube assemblies may be conveniently mass produced using a special fixture.

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