Systems and Methods for Varying Stiffness of An Endoscopic Insertion Tube

Systems and Methods for Varying Stiffness of An Endoscopic Insertion Tube

The specification describes endoscopes that enable varying stiffness of an insertion portion in an endoscope assembly. In one example, an actuator operates either a spring or a flexible tube to vary stiffness of the insertion portion. In alternative examples, an elliptical wheel arrangement or screw...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SHTEIMAN IGAL, AVRON JERUHAM, STEPHEN CHRISTOPHER, SALMAN GOLAN, SCHWARCZ HADAR
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:The specification describes endoscopes that enable varying stiffness of an insertion portion in an endoscope assembly. In one example, an actuator operates either a spring or a flexible tube to vary stiffness of the insertion portion. In alternative examples, an elliptical wheel arrangement or screw mechanism provides a means to increase stiffness of the insertion portion of an endoscope assembly. In further examples, fluid and gas may be used inside the insertion potion to vary stiffness by varying pressure of the fluid/gas.