An insertion portion of an endoscope includes a multi-lumen tube including a treatment instrument insertion channel, a first wire insertion hole that is provided parallel to the treatment instrument insertion channel, and a second wire insertion hole; one towing wire including a first portion that is inserted into the first wire insertion hole, a second portion that is inserted into the second wire insertion hole, and a third portion that is drawn out between the first wire insertion hole and the second wire insertion hole, wherein a proximal end portion of the first portion and a proximal end portion of the second portion are connected to a bending operation member; and a third wire insertion hole into which the third portion is inserted and in which the third portion abuts on a part of an inner peripheral surface.

An insertion portion of an endoscope includes a multi-lumen tube including a treatment instrument insertion channel, a first wire insertion hole that is provided parallel to the treatment instrument insertion channel, and a second wire insertion hole; one towing wire including a first portion that is inserted into the first wire insertion hole, a second portion that is inserted into the second wire insertion hole, and a third portion that is drawn out between the first wire insertion hole and the second wire insertion hole, wherein a proximal end portion of the first portion and a proximal end portion of the second portion are connected to a bending operation member; and a third wire insertion hole into which the third portion is inserted and in which the third portion abuts on a part of an inner peripheral surface.

Provided is an endoscope that can easily perform the attachment and detachment work of a proximal end side of a wire without impairing the operability of an operating part. The an endoscope includes an operating part (22) including an erection operating lever (20), an insertion part (24), an elevator (30), a wire (60) that is disposed to be inserted into a wire channel (62) to be movable forward and backward therethrough and is attachably and detachably coupled to the elevator (30) on a distal end side thereof, an opening part (94) that is provided at a proximal end of the wire channel (62) and delivers the proximal end side of the wire (60) to the outside of the operating part (22), a rotating member (96) that is disposed to be exposed to the outside of the operating part (22) and is configured to be rotatable around a rotational axis (96A) having a component in a direction orthogonal to a longitudinal direction of the operating part (22) depending on the operation of the erection operating lever (20), an engaged part (144) that is provided in the rotating member (96), and an engaging part (98) that is provided on the proximal end side of the wire (60) and is engageably and disengageably engageable with the engaged part (144).

A bending neck comprising a plurality of pivotally connected hollow links is formed by machining a tube to form individual, pivotally connected links. A second tube may be located inside the first tube and simultaneously machined with the first tube. Grooves are formed on opposite sides of the outer surface of the second tube to provide a passageway for control cables which control the articulation of the links. In a second implementation indentations are formed in the side of the single tube to form ring-like projections into the inner lumen of each link, through which the control cables may pass.

A clipping system includes a cap configured to be mounted over a distal end of an endoscope. A clip mountable over the cap to move between an insertion configuration, in which first and second jaws extend over opposing portions of the cap so that the first and second jaws are separated from one another, a review configuration, in which the clip is moved distally relative to the cap so that a portion of the clip extends distally until at least a portion of the clip extends into a field of view of the optical system of an endoscope on which the cap is mounted, and a deployed configuration in which the clip is moved distally off of the clip so that the first and second jaws are drawn toward one another under the bias of the at least one hinge to close over tissue received therebetween.

A clipping system includes a cap configured to be mounted over a distal end of an endoscope. A clip mountable over the cap to move between an insertion configuration, in which first and second jaws extend over opposing portions of the cap so that the first and second jaws are separated from one another, a review configuration, in which the clip is moved distally relative to the cap so that a portion of the clip extends distally until at least a portion of the clip extends into a field of view of the optical system of an endoscope on which the cap is mounted, and a deployed configuration in which the clip is moved distally off of the clip so that the first and second jaws are drawn toward one another under the bias of the at least one hinge to close over tissue received therebetween.

A steering assembly of a medical device may comprise a handle having a recess and first and second wire guides disposed within the recess. At least one of the first or second wire guides may be keyed to the recess to prevent rotation of the first or second wire guide within the recess. First and second wire segments may be configured to steer a sheath coupled to the steering assembly in first and second directions. The first wire segment may pass through a first gap between the first wire guide and the second wire guide. The second wire segment may pass through a second gap between the first wire guide and the second wire guide. Neither of the first nor the second gap may occupy any overlapping space.

Medical instruments having a translatable spool are disclosed. In one aspect, a medical instrument configured for use with a robotic system includes an instrument base configured to couple to a robotic drive mechanism of the robotic system and an elongate shaft coupled to the instrument base. The elongate shaft has a distal end. The medical instrument also includes a pull wire fixedly coupled to the distal end of the elongate shaft, the pull wire being configured to actuate the elongate shaft, and a rotatable spool in the instrument base. The rotatable spool is configured to direct the pull wire to the elongate shaft at an angle. The rotatable spool is configured to translate in coordination with actuation of the elongate shaft to control the angle of the pull wire relative to the elongate shaft.

Apparatuses, systems, and methods for controlling the sampling of tissue using a guidewire. In an illustrative embodiment, an apparatus includes a handle, a flexible dual lumen catheter couplable to the handle, and a guidewire guide disposed at a distal end of the flexible dual lumen catheter.

An endoscope includes a detachable wireless imaging device and an insertion tube having a distal end region. The attachment of the detachable wireless imaging device detachably attaches the detachable wireless imaging device to the distal end region of the insertion tube.