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US Patent 7192426 Cryogenic system

Patent 7192426 was granted and assigned to Endocare on March, 2007 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Current Assignee
‌
Endocare
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7192426
Patent Inventor Names
John G. Baust5
Roy Cheeks5
Date of Patent
March 20, 2007
Patent Application Number
10478937
Date Filed
May 31, 2002
Patent Citations Received
‌
US Patent 12102557 Methods, devices, and systems for improving skin characteristics
1
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US Patent 11771486 Device for ablation of tissue surfaces and related systems and methods
‌
US Patent 11849989 Cryogenic system and methods
2
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US Patent 11986421 Cooling devices with flexible sensors
3
‌
US Patent 12070411 Cryoprotectant for use with a treatment device for improved cooling of subcutaneous lipid-rich cells
4
Patent Primary Examiner
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Rosiland Rollins
Patent abstract

A cryosurgical system and method for supplying cryogen to a probe. The system including a container filled with cryogen and having bellows of a pump submerged within said cryogen. Conduits fluidly interconnect the bellows and a probe that is outside the container to permit the cryogen to be forced from the bellows to the probe upon activation of pump. A pressure relief valve is fluidly coupled to the conduits and positioned between the bellows and the probe. After initially forcing cryogen to the probe at a pressure that establishes a colligative-based sub-cooling of the liquid cryogen, the pressure relief valve is activated to lower the pressure of the cryogen to a running pressure.

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