Cryosurgical probe and manufacturing method
Summary
USPTO granted patent US12594110B2 to Metrum Cryoflex S.A. for a cryosurgical probe and manufacturing method. The patent describes a cryoprobe for cryotherapy comprising working and drain tubes welded together, with a concentric drain tube featuring a perforated end near the working tube's distal end and a throttle perforation enabling fluid passage and expansion. The patent contains 19 claims.
What changed
USPTO granted patent US12594110B2 to Metrum Cryoflex S.A. on April 7, 2026. The patent protects a cryosurgical probe featuring a working tube and concentric drain tube welded together, with the drain tube connected to a pressure supply and having a perforated second end proximate to the distal end of the working tube. The design includes a throttle perforation allowing fluid to pass along the outer surface of the drain tube, expand at the distal end, and drain through the drain tube.
Competitors in cryotherapy medical device manufacturing should be aware that this patent restricts independent development of similar cryosurgical probes without licensing the technology or designing around the claims. Legal counsel should assess whether existing or planned products fall within the scope of the 19 claims covering the probe structure and manufacturing method.
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Apr 8, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Cryosurgical probe and method of manufacturing thereof
Grant US12594110B2 Kind: B2 Apr 07, 2026
Assignee
Metrum Cryoflex S.A.
Inventors
Wieslaw Brojek
Abstract
A cryoprobe for cryotherapy, includes a working and a drain tube, welded together. The working tube has a first end, a distal end, an internal surface, an external surface, an inner diameter, and an outer diameter. The drain tube is placed concentrically in the working tube, and has an internal surface, an external surface, an inner diameter, an outer diameter, a first end connected to a first pressure supply, and a perforated second end which is proximate to the distal end of the working tube. The drain tube is welded to the working tube between the internal surface of the working tube and the external surface of the drain tube to manufacture a throttle perforation, in a manner which allows fluid to pass along the outer surface of the drain tube, expand at the distal end of the working tube, and drain through the drain tube.
CPC Classifications
A61B 18/02 A61B 2018/00101 A61B 2018/00148 A61B 2018/0212 A61B 2018/0237 F25B 9/02 F25B 2309/003 F25B 2309/021
Filing Date
2021-12-15
Application No.
17644468
Claims
19
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