Steerable segmented endoscope and method of insertion

Details Steerable segmented endoscope and method of insertion Steerable segmented endoscope and method of insertion

A - Human Necessities

61

B

A61B 1/005 (2006.01) A61B 1/01 (2006.01) A61B 1/31 (2006.01) A61B 1/008 (2006.01)

Patent

CA 2462544

A steerable endoscope (100) has an elongated body (102) with a selectively steerable distal portion (104) and an automatically controlled proximal portion (106). The endoscope body is inserted into a patient and the selectively steerable distal portion (104) is used to select a desired path within the patient's body. When the endoscope body is advanced, an electronic motion controller (140) operates the automatically controlled proximal portion (106) to assume the selected curve of the selectively steerable distal portion (104). Another desired path is selected with the selectively steerable distal portion and the endoscope body is advanced again. As the endoscope body is further advanced, the selected curves propagate proximally along the endoscope body, and when the endoscope body is withdrawn proximally, the selected curves propagate distally along the endoscope body. The creates a serpentine motion in the endoscope body allowing it to negotiate tortuous curves along a desired path through or around and between organs within the body.

L'invention concerne un endoscope orientable, qui comprend un corps allongé présentant une partie distale sélectivement orientable et une partie proximale à commande automatique. Le corps de l'endoscope est introduit dans un patient et la partie distale sélectivement orientable est mise en oeuvre pour choisir un trajet désiré à l'intérieur du corps du patient. Lorsque le corps de l'endoscope avance, un contrôleur de mouvement électronique amène la partie proximale à commande automatique à épouser la courbe choisie de la partie distale sélectivement orientable. Un autre trajet désiré est choisi avec la partie distale sélectivement orientable et le corps de l'endoscope est de nouveau avancé. A mesure que le corps de l'endoscope progresse, les courbes choisies avancent vers la partie proximale le long du corps de l'endoscope, et lorsque ce dernier est retiré de la partie proximale, les courbes choisies avancent vers la partie distale le long du corps de l'endoscope. Un mouvement en serpentin est ainsi créé dans le corps de l'endoscope, ce qui lui permet de négocier des courbes tortueuses le long du trajet désiré à travers, autour ou entre les organes internes du corps.

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