Angular deflection apparatus for use in confined spaces and method of use
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Aug 25, 2005
app pub date -
Feb 19, 2004
filing date -
Feb 19, 2004
priority date (Note) -
Abandoned
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Abstract
A tube having a distal end portion made of a curved, flexible, shape retentive material such as superelastic, nickel-titanium memory metal alloy which has been heat-treated to retain a desired curved shape. The tube translates within and is constrained by a rigid sleeve, which may alternately be an instrument channel of an endoscope. When the distal end portion of the tube is extended from the sleeve, it returns to its original curved shape. Markings about the proximal and, or distal end portions of the tube enable the operator to know to what extent the distal end portion of the tube has been extended from the sleeve even when the distal end portion of the tube is not visible. The tube may be used for supporting and activating a cutting, abrading, coagulating, shrinking, or vaporizing device that is brought near or into contact with a tissue surface.
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