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US Patent 9295511 Methods for operating a selective stiffening catheter

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Is a
Patent
Patent
0

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
92955110
Patent Inventor Names
Sean M. McBrayer0
Kevin W. Smith0
Matthew A. Palmer0
Thomas O. Bales, Jr.0
Derek Dee Deville0
Joe Abelleira0
Date of Patent
March 29, 2016
0
Patent Application Number
139190800
Date Filed
June 17, 2013
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Patent Citations Received
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US Patent 12121677 Devices and methods to prevent inadvertent motion of dynamically rigidizing apparatuses
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US Patent 11744443 Layered walls for rigidizing devices
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US Patent 11931205 Medical tool positioning devices, systems, and methods of use and manufacture
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US Patent 11937778 Apparatuses and methods for determining if an endoscope is contaminated
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US Patent 11944277 Device and method for enhanced visualization of the small intestine
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US Patent 12016525 Device and method for enhanced visualization of the small intestine
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US Patent 12059128 Device and method for enhanced visualization of the small intestine
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US Patent 12082776 Methods for advancing a device through a gastrointestinal tract
0
...
Patent Primary Examiner
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Theodore Stigell
0
Patent abstract

A method for delivering RF energy to living tissue includes the steps of extending a guidewire to a tissue treatment site in a body. A controllable stiffness catheter is provided with a stiffness device having non-metallic properties and a temperature-changing device. The stiffness device is in a stiff state below a given temperature and in a soft state above the given temperature. While supplying power to the temperature-changing device, the catheter is threaded along the guidewire up to the treatment site in the soft state. Power is removed from the temperature-changing device to alter the non-metallic properties of the stiffness device and directly result in a change of the stiffness device to the stiff state without straightening the catheter. The RF energy supply device is physically contacted with the treatment site and RF energy is delivered to the treatment site from the RF energy supply device.

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