LM series pulse tube cryotherapy instrument

摘要

The practical co-axial Pulse Tube Refrigerator (PTR) has been developed as the Pulse Tube Cryotherapy instrument (PTCI) since 1994. The PTCI is mainly designed for hospitals where there is no liquid nitrogen. The greatest feature of the PTCI is its capability of cryotherapy with ordinary single-phase electricity source without the use of any cryogen. From the prototype to the actual PTCI, many efforts have been made to achieve high reliability, low noise, low vibration and reduce the cost. Now the PTCI has been proved to be good clinical effect. It has been attain the production license and is presently produced in batches in our country.