Medical Devices, Systems, and Methods for the Visualization and Treatment of Bodily Passages

Abstract

Medical devices are described herein. More particularly, the disclosure relates to medical devices, systems, and methods for the visualization and treatment of bodily passages, such as an airway, sinus cavity, or sinus passages. An exemplary medical device comprises an elongate member, an actuator moveable between an actuator first position and an actuator second position, and a wire member. The elongate member has a first straight, or substantially straight configuration, when the actuator is in the actuator first position and a second curved configuration when the actuator is in the actuator second position.

What is claimed is: 
     
         1 . A medical device comprising:
 an elongate member having an elongate member proximal end, an elongate member distal end, an elongate member exterior surface, an elongate member first portion, an elongate member second portion, and an elongate member body defining a first elongate member lumen, a second elongate member lumen, and an elongate member first aperture, the elongate member first portion having a distal end disposed at a location between the elongate member proximal end and the elongate member distal end, the elongate member first portion extending from the elongate member proximal end to the distal end of the elongate member first portion, the elongate member second portion extending from the distal end of the elongate member first portion to the elongate member distal end, the first elongate member lumen extending through the elongate member first portion, the second elongate member lumen extending through the elongate member first portion and the elongate member second portion, the elongate member first aperture disposed between the distal end of the elongate member first portion and the elongate member distal end and extending through the elongate member body providing access to the second elongate member lumen;   a handle attached to the elongate member and having an actuator moveable between an actuator first position and an actuator second position;   a wire member having a wire member first end attached to the actuator and a wire member second end attached to the elongate member, the wire member extending from the wire member first end through the first elongate member lumen and along the elongate member exterior surface to the elongate member first aperture, the wire member passing through the elongate member first aperture and extending into the second elongate member lumen; and   an imaging device attached to the elongate member and adapted to obtain one or more images;   wherein the elongate member is moveable between a substantially straight configuration when the actuator is in the actuator first position and a curved configuration when the actuator is in the actuator second position;   wherein movement of the actuator from the actuator first position to the actuator second position creates tension in the wire member and results in movement of the elongate member from the substantially straight configuration to the curved configuration; and   wherein the elongate member defines a curve when the actuator is in the actuator second position.   
     
     
         2 . The medical device of  claim 1 , wherein the elongate member first portion has a first cross sectional configuration and the elongate member second portion has a second cross sectional configuration that is different than the first cross sectional configuration. 
     
     
         3 . The medical device of  claim 2 , wherein the first cross sectional configuration is oval. 
     
     
         4 . The medical device of  claim 3 , wherein the second cross sectional configuration is circular. 
     
     
         5 . The medical device of  claim 1 , wherein the elongate member first portion is formed of a first material that has a first durometer hardness; and
 wherein the elongate member second portion is formed of a second material that has a second durometer hardness that is different than the first durometer hardness.   
     
     
         6 . The medical device of  claim 5 , wherein the second durometer hardness is less than the first durometer hardness. 
     
     
         7 . The medical device of  claim 1 , wherein the second elongate member lumen extends from the elongate member proximal end to the elongate member distal end. 
     
     
         8 . The medical device of  claim 1 , wherein the elongate member has an elongate member lengthwise axis and defines a first elongate member opening and a second elongate member opening, the first elongate member opening defined at the elongate member proximal end, the second elongate member opening defined at the distal end of the elongate member first portion, the first elongate member lumen extending from the first elongate member opening to the second elongate member opening; and
 wherein each of the second elongate member opening and the elongate member first aperture is disposed on a plane that extends from the elongate member lengthwise axis.   
     
     
         9 . The medical device of  claim 1 , wherein the elongate member has an elongate member lengthwise axis and defines a first elongate member opening and a second elongate member opening, the first elongate member opening defined at the elongate member proximal end, the second elongate member opening defined at the distal end of the elongate member first portion, the first elongate member lumen extending from the first elongate member opening to the second elongate member opening;
 wherein the second elongate member opening is disposed on a first plane that extends from the elongate member lengthwise axis;   wherein the elongate member first aperture is disposed on a second plane that extends from the elongate member lengthwise axis and is disposed at an angle to the first plane; and   wherein the angle is between about 90 degrees and about 180 degrees.   
     
     
         10 . The medical device of  claim 1 , further comprising an optical fiber disposed within the second lumen and attached to the elongate member. 
     
     
         11 . The medical device of  claim 1 , further comprising a cap disposed on the elongate member distal end; and
 wherein the imaging device is attached to the cap.   
     
     
         12 . The medical device of  claim 11 , further comprising an optical fiber disposed within the second lumen and attached to cap. 
     
     
         13 . The medical device of  claim 1 , wherein the actuator is adapted to be releasably fixed in the actuator first position and the actuator second position. 
     
     
         14 . The medical device of  claim 1 , wherein the actuator is a linear actuator. 
     
     
         15 . The medical device of  claim 1 , wherein the wire member is attached to the elongate member proximal to the elongate member distal end. 
     
     
         16 . The medical device of  claim 1 , wherein the elongate member body defines an elongate member second aperture and an elongate member third aperture, the elongate member second aperture disposed between the elongate member first aperture and the elongate member distal end, the elongate member third aperture disposed between the elongate member second aperture and the elongate member distal end, each of the elongate member second aperture and the elongate member third aperture extending through the elongate member body providing access to the second elongate member lumen; and
 wherein the wire member extends from the wire member first end through the first elongate member lumen and along the elongate member exterior surface to the elongate member first aperture, the wire member passing through the elongate member first aperture and extending into the second elongate member lumen and to the elongate member second aperture, the wire member passing through the elongate member second aperture and along the elongate member exterior surface and to the elongate member third aperture, the wire member passing through the elongate member third aperture and extending into the elongate member second lumen.   
     
     
         17 . A medical device comprising:
 an elongate member having an elongate member proximal end, an elongate member distal end, an elongate member exterior surface, an elongate member first portion, an elongate member second portion, and an elongate member body defining a first elongate member lumen, a second elongate member lumen, and an elongate member first aperture, the elongate member first portion having a distal end disposed at a location between the elongate member proximal end and the elongate member distal end, the elongate member first portion having a first cross sectional configuration and extending from the elongate member proximal end to the distal end of the elongate member first portion, the elongate member second portion having a second cross sectional configuration and extending from the distal end of the elongate member first portion to the elongate member distal end, the second cross sectional configuration being different than the first cross sectional configuration, the first elongate member lumen extending through the elongate member first portion, the second elongate member lumen extending through the elongate member first portion and the elongate member second portion, the elongate member first aperture disposed between the distal end of the elongate member first portion and the elongate member distal end and extending through the elongate member body providing access to the second elongate member lumen;   a handle attached to the elongate member and having an actuator moveable between an actuator first position and an actuator second position;   a wire member having a wire member first end attached to the actuator and a wire member second end attached to the elongate member, the wire member extending from the wire member first end through the first elongate member lumen and along the elongate member exterior surface to the elongate member first aperture, the wire member passing through the elongate member first aperture and extending into the second elongate member lumen;   an imaging device attached to the elongate member and adapted to obtain one or more images; and   an optical fiber disposed within the second lumen and attached to the elongate member;   wherein the elongate member is moveable between a substantially straight configuration when the actuator is in the actuator first position and a curved configuration when the actuator is in the actuator second position;   wherein movement of the actuator from the actuator first position to the actuator second position creates tension in the wire member and results in movement of the elongate member from the substantially straight configuration to the curved configuration; and   wherein the elongate member defines a curve when the actuator is in the actuator second position.   
     
     
         18 . The medical device of  claim 17 , wherein the elongate member has an elongate member lengthwise axis and defines a first elongate member opening and a second elongate member opening, the first elongate member opening defined at the elongate member proximal end, the second elongate member opening defined at the distal end of the elongate member first portion, the first elongate member lumen extending from the first elongate member opening to the second elongate member opening; and
 wherein each of the second elongate member opening and the elongate member first aperture is disposed on a plane that extends from the elongate member lengthwise axis.   
     
     
         19 . The medical device of  claim 17 , wherein the elongate member body defines an elongate member second aperture and an elongate member third aperture, the elongate member second aperture disposed between the elongate member first aperture and the elongate member distal end, the elongate member third aperture disposed between the elongate member second aperture and the elongate member distal end, each of the elongate member second aperture and the elongate member third aperture extending through the elongate member body providing access to the second elongate member lumen; and
 wherein the wire member extends from the wire member first end through the first elongate member lumen and along the elongate member exterior surface to the elongate member first aperture, the wire member passing through the elongate member first aperture and extending into the second elongate member lumen and to the elongate member second aperture, the wire member passing through the elongate member second aperture and along the elongate member exterior surface and to the elongate member third aperture, the wire member passing through the elongate member third aperture and extending into the elongate member second lumen.   
     
     
         20 . A medical device comprising:
 an elongate member having an elongate member lengthwise axis, an elongate member proximal end, an elongate member distal end, an elongate member exterior surface, an elongate member first portion, an elongate member second portion, and an elongate member body defining a first elongate member opening, a second elongate member opening, a first elongate member lumen, a second elongate member lumen, an elongate member first aperture, an elongate member second aperture, and an elongate member third aperture, the elongate member first portion having a distal end disposed at a location between the elongate member proximal end and the elongate member distal end, the elongate member first portion having an oval cross sectional configuration and extending from the elongate member proximal end to the distal end of the elongate member first portion, the elongate member second portion having a circular cross sectional configuration and extending from the distal end of the elongate member first portion to the elongate member distal end, the first elongate member opening defined at the elongate member proximal end, the second elongate member opening defined at the distal end of the elongate member first portion, the first elongate member lumen extending from the first elongate member opening to the second elongate member opening and through the elongate member first portion, the second elongate member lumen extending through the elongate member first portion and the elongate member second portion, the elongate member first aperture disposed between the distal end of the elongate member first portion and the elongate member distal end, the elongate member second aperture disposed between the elongate member first aperture and the elongate member distal end, the elongate member third aperture disposed between the elongate member second aperture and the elongate member distal end, each of the elongate member first aperture, the elongate member second aperture, and the elongate member third aperture extending through the elongate member body providing access to the second elongate member lumen, each of the second elongate member opening and the elongate member first aperture disposed on a plane extending from the elongate member lengthwise axis;   a handle attached to the elongate member and having an actuator moveable between an actuator first position and an actuator second position;   a wire member having a wire member first end attached to the actuator and a wire member second end attached to the elongate member, the wire member extending from the wire member first end through the first elongate member lumen and along the elongate member exterior surface to the elongate member first aperture, the wire member passing through the elongate member first aperture and extending into the second elongate member lumen and to the elongate member second aperture, the wire member passing through the elongate member second aperture and along the elongate member exterior surface and to the elongate member third aperture, the wire member passing through the elongate member third aperture and extending into the elongate member second lumen;   an imaging device attached to the elongate member and adapted to obtain one or more images; and   an optical fiber disposed within the second lumen and attached to the elongate member;   wherein the elongate member is moveable between a substantially straight configuration when the actuator is in the actuator first position and a curved configuration when the actuator is in the actuator second position;   wherein movement of the actuator from the actuator first position to the actuator second position creates tension in the wire member and results in movement of the elongate member from the substantially straight configuration to the curved configuration; and   wherein the elongate member defines a curve when the actuator is in the actuator second position.