A catheter for delivering a medicinal liquid or a powder in spray form into the trachea of a subject, includes a deformable body including a spray device for expelling a liquid or a powder introduced into the catheter as a spray, the body of the catheter being configured to generate an image of a zone in a longitudinal direction of the body.

An endoscope apparatus having: an insertion portion extending along a longitudinal axis; a roller driven by a drive force to rotate around the longitudinal axis; and a cover member covering the roller, wherein the cover member has: a base layer having: an outer surface direction side; and an inner surface direction side arranged to contact the roller, wherein portions of the base layer covering the roller as the roller rotates around the longitudinal axis of the insertion portion elastically elongate in an outer surface direction of the insertion portion, and wherein the base layer has a secondary material being a first color at a first temperature range and a second color at a second temperature range; and an external coating layer formed on at least one of the outer surface direction side and the inner surface direction side of the base layer.

An endoscope includes a scope provided with a hard portion at a distal end of a long flexible portion having flexibility; an image capturing portion housed in the hard portion and having an image sensor; a transmission cable inserted into the scope and conductively connected to the image sensor at a distal end via a substrate, and a voltage conversion device mounted on the substrate and outputting a constant voltage to the image sensor with respect to a input voltage input to the transmission cable.

In one embodiment of the invention, an apparatus for performing surgical procedures is disclosed including a flexible entry guide tube, and a first steering device. The flexible entry guide tube has one or more lumens extending along its length from a proximal end to substantially at or near a distal end. At least one of the one or more lumens is an instrument lumen with open ends to receive a flexible shaft of a surgical tool to perform surgery near the distal end of the flexible entry guide tube. The first steering device is insertable into the instrument lumen to shape the flexible entry guide tube as it is inserted through an opening in a body and along a path towards a surgical site. The apparatus may further include a flexible locking device to couple to the flexible entry guide tube and selectively rigidize the flexible entry guide tube to hold its shape. The flexible entry guide tube may be steered by remote control with one or more actuators.

A probe includes an articulating member with at least two vertebrae elements sequentially arranged along a long axis of the elongate ultrasound imaging probe. The articulating member includes pivots located between the at least two vertebrae elements. The pivots are disposed off-center relative to the at least two vertebrae elements. The pivots are spatially oriented to provide a pivot point for a different articulation direction of a vertebra element. The probe further includes a plurality of guides, including at least one guide for each of the respective different pivot directions. The probe further includes an actuator with a set of controls, each control configured to actuate a different pair of the plurality of guides for controlling opposing articulation directions, wherein the actuator reduces stress induced on at least one of a pushed guide or a non-activated guide, wherein the stress is induced in response to the actuator pulling a guide.

Provided is an endoscope that can connect proximal ends of the first signal lines and a signal relay part together without securing an extra length for the first signal lines. An airtight casing is disposed inside an outer tube of an insertion part, an imaging device and first signal lines are accommodated inside the airtight casing, a distal end of the airtight casing is airtightly sealed by a cover glass, and a proximal end of the airtight casing is airtightly sealed by a partition wall part. The airtight casing is constituted of a first tubular body and a second tubular body, and the second tubular body is disposed in a nested shape with respect to the first tubular body. During the connection between the proximal ends of the first signal lines and the terminal part, the second tubular body is advanced toward the first tubular body.

A treatment device used together with an endoscope, has a guide pipe and a movement mechanism. The guide pipe has a first pipe having a curving portion and a second pipe continuous with a proximal side of the curving portion. The curving portion has, in its inner circumferential surface, a bent surface bent to the second pipe, and bending the flow direction of the fluid discharged from the distal end of the sheath in a state where the distal end of the sheath is located near the distal end of the second pipe. The movement mechanism protrudes a distal surface of the insertion portion from the distal end of the sheath and brings the distal surface closer to or into abutment with the bent surface in a state where the distal end of the sheath is disposed near the distal end of the second pipe.

An endoscope add-on assembly adapted to be attached to a target endoscope. The assembly includes an ultrasound imaging sub-assembly, including a communications cable connected to an ultrasound imaging head and an imaging head movement sub-assembly, including a conduit, holding a tension member that is attached to the ultrasound imaging head. Further included are connective elements, adapted to permit the endoscope add-on assembly to be attached to the target endoscope. Finally, the imaging head movement sub-assembly is detachable from the ultrasound imaging sub-assembly, thereby permitting the imaging head movement subassembly to be processed separately from the ultrasound imaging sub-assembly, after use.

The present application disclosed a combined hysteroscope instrument operation propeller, which includes a propelling body that can be attached to the hysteroscope body, the instrument can smoothly pass through the blind areas such as the vagina and cervical canal along the hysteroscope body that has already entered with the help of the sheath on the propelling body, and can be operated continuously and flexibly after being sent into the uterus. The present application is beneficial for doctors to quickly, accurately and non-invasively send the treatment instrument into the uterus, which not only reduces the treatment cost, but also achieves a good treatment effect.

The present application disclosed a single-piece hysteroscope instrument operation propeller, which includes a propelling body that can be attached to the hysteroscope body, the instrument can smoothly pass through the blind areas such as the vagina and cervical canal along the hysteroscope body that has already entered with the help of the groove on the propelling body, and can be operated continuously and flexibly after being sent into the uterus. The present application is beneficial for doctors to quickly, accurately and non-invasively send the treatment instrument into the uterus, which not only reduces the treatment cost, but also achieves a good treatment effect.