A medical device includes a handle that includes a handle body longitudinally extending from a proximal end to a distal end; a distal connector configured to connect to a proximal end of an elongate outer member; a lumen longitudinally extending through the handle body, the lumen configured to have an elongate inner member movably disposed therein, and to permit the elongate inner member to distally extend past the distal end to within the elongate outer member and to proximally extend past the proximal end; and an inner member controller configured to longitudinally move relative to the handle body to control movement of the elongate inner member relative to the elongate outer member. The handle may be a distal handle of the medical device, which further includes a proximal handle. Both handles may control movement of the elongate inner and outer members.

A scanner for scanning a dental site comprises a base, a detector mounted to the base, and an optical element to redirect light reflected off of the dental site towards the detector along a detection axis in a first direction. Two or more flexures couple the optical element to the base, wherein thermal expansion or contraction of the optical element with respect to at least one of the detector or the base bends each flexure of the two or more flexures in a respective second direction without bending the flexure in a respective third direction approximately perpendicular to the first direction and the respective second direction, wherein the two or more flexures maintain an alignment of the optical element to the detector with changes in temperature.

A control unit of a reprocessor main body includes a processor, the processor being configured to acquire a plurality of observation images, image pickup angles of which regarding a positioning state of an endoscope positioned in an endoscope reprocessor are different, select an image showing a first part that is a predetermined part inside the endoscope reprocessor and a second part that is a predetermined part of the endoscope, and determine whether the second part is included in a predetermined range from the first part.

An endoscope connecting tube includes a liquid feeding index including: an exterior; an exposure hole provided on the exterior; and a flow path; and a movable member that is brought into a convex warp state toward a surface direction of the exterior when an inner pressure of a flow path reaches a predetermined value or higher, and remains in the convex warp state even when the inner pressure of the flow path reaches less than the predetermined value; and a marker that projects from the exposure hole by the movable member being brought into the convex warp state; a releasing portion that releases the convex warp state of the movable member by causing the marker to slide and push the movable member; and an insertion path into which the releasing portion is inserted.

An endoscope connecting tube includes a liquid feeding index including: an exterior; an exposure hole provided on the exterior; and a flow path; and a movable member that is brought into a convex warp state toward a surface direction of the exterior when an inner pressure of a flow path reaches a predetermined value or higher, and remains in the convex warp state even when the inner pressure of the flow path reaches less than the predetermined value; and a marker that projects from the exposure hole by the movable member being brought into the convex warp state; a releasing portion that releases the convex warp state of the movable member by causing the marker to slide and push the movable member; and an insertion path into which the releasing portion is inserted.

An arrangement for sterile handling of a non-sterile endoscope in a sterile environment. The arrangement includes a sterile endoscope sheath, and the non-sterile endoscope. The sterile endoscope sheath has an optical element arranged at a distal end of the sterile endoscope sheath. The non-sterile endoscope has an endoscope shaft with an optical element arranged at a distal end of the endoscope shaft.

The present invention provides an improved visual laryngeal mask comprising a snorkel, an end of the snorkel is provided with a fixing seat. The fixing seat is provided with an airbag, and the fixing seat has a recess which is provided with an airway opening. The inner wall of the snorkel longitudinally extends an imaging cavity and a cleaning channel. The imaging cavity has a built-in imaging device, and the imaging cavity and the cleaning channel protrude forward relative to the airway opening to form a stopper which prevents an epiglottis from blocking the imaging device.

An endoscope is provided to examine internal organs with front and rear views. The endoscope comprises a shaft extending from a distal end in a rearward direction along a longitudinal axis towards a proximal end, with the distal and proximal ends defining a hollow channel extended there-through. The endoscope further comprises a first lens positioned adjacent to the distal end and configured to receive a first image in a forward direction along the longitudinal axis, with the forward direction generally 180 degree from the rearward direction. The endoscope further comprises a rearview module positioned adjacent to the distal end. The rearview module comprises a second lens configured to be positioned adjacent to the distal end, and receive a second image in a target direction having a directional component in the rearward direction along the longitudinal axis, independently of the first lens receiving the first image in the forward direction.

An endoscope is provided to examine internal organs with front and rear views. The endoscope comprises a shaft extending from a distal end in a rearward direction along a longitudinal axis towards a proximal end, with the distal and proximal ends defining a hollow channel extended there-through. The endoscope further comprises a first lens positioned adjacent to the distal end and configured to receive a first image in a forward direction along the longitudinal axis, with the forward direction generally 180 degree from the rearward direction. The endoscope further comprises a rearview module positioned adjacent to the distal end. The rearview module comprises a second lens configured to be positioned adjacent to the distal end, and receive a second image in a target direction having a directional component in the rearward direction along the longitudinal axis, independently of the first lens receiving the first image in the forward direction.

Anti-fogging system for an endoscope including an endoscope having an outer housing, an imaging arrangement, and a distal window. A filter lens is located at the distal window, with the filter lens allowing a first portion of electromagnetic light to pass therethrough while absorbing a second portion of electromagnetic light in order to heat the filter lens.