BTG International - High Pressure, Low Temperature Coupling Patent
Summary
USPTO granted Patent US12594111B2 to BTG International Limited for a multi-stage, reusable coupling device with temperature-responsive sealing engagements. The invention enables sealed coupling at different temperature conditions for medical/surgical applications, including cryogenic procedures. The patent contains 18 claims covering the device system and methods.
What changed
USPTO issued Patent US12594111B2 to BTG International Limited for a high pressure, low temperature coupling device designed for medical and surgical applications. The patent covers a coupler with dual sealing engagements that activate at different temperature conditions, enabling secure connections for cryogenic and other temperature-sensitive medical procedures.
Manufacturers of cryogenic surgical equipment, medical device companies developing temperature-controlled delivery systems, and companies in related coupling/sealing technology fields should review this patent to assess potential licensing requirements or design-around opportunities. The patent's broad claim scope covering both devices and methods may affect product development in this technical area.
What to do next
- Review patent claims for potential infringement
- Monitor for related patent applications in the coupling/sealing technology space
- Consider licensing opportunities with BTG International Limited
Archived snapshot
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.
High pressure, low temperature coupling
Grant US12594111B2 Kind: B2 Apr 07, 2026
Assignee
BTG International Limited
Inventors
Jason Sprain, Mark Timothy Johnson, Maciej Wojciech Misiak, Andrew Kevin Zachman
Abstract
Disclosed herein are devices, systems, and method for multi-stage, reusable coupling. Such a coupler can have a formable flow path and can include a first sealing engagement and a second sealing engagement. The first sealing engagement can be configured to provide a first seal of the coupler at a first temperature condition. The second sealing engagement can be configured to provide a second seal of the coupler at a second temperature condition that is different from the first temperature condition.
CPC Classifications
A61B 18/02 A61B 2018/00172 A61B 2018/00577 A61B 2018/00041 A61B 2018/0212 A61B 2018/0262 A61B 2018/0293 A61B 2017/00477 A61B 2090/374 A61B 90/37 F16L 51/00 F16L 37/407 F16J 15/068 F16J 15/002
Filing Date
2022-12-16
Application No.
18083195
Claims
18
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