Abstract: The invention relates to an endoscope head including an endoscope head body in which at least one working channel is formed, wherein a pivotable Albarran lever is provided distally of the distal end of the working channel, wherein, on the endoscope head body, a pivot member actuatable from the proximal side is provided for pivoting the Albarran lever, wherein a pulling wire channel extends in the endoscope head body and has a pulling wire for actuating the pivot member guided therein, wherein the pivot member has a protrusion, and wherein the pulling wire is capable of displacing a sliding member having a surface on which the protrusion is supported, so that the pivot member is rotated by displacing the sliding member.

Abstract: An endoscope includes: an endoscope operation portion; a first grasping portion configured to enable the endoscope operation portion to be grasped in a first grasping state; a second grasping portion configured to enable the endoscope operation portion to be grasped in a second grasping state; and attaching portion mounting portions to which an attaching portion of a treatment instrument operation portion is attached so as to enable an operation of the bending operation lever and an operation of a slider provided to the treatment instrument operation portion of the treatment instrument to be performed with fingers of a hand grasping the first grasping portion or the second grasping portion, the attaching portion mounting portions being formed respectively on the first grasping portion and the second grasping portion.

Abstract: A surgical instrument is inserted through a guide tube. The surgical instrument exits at an intermediate position of the guide tube and is oriented to be substantially parallel to the guide tube's longitudinal axis as it exits. A stereoscopic image capture component is on the guide tube between the intermediate position and the guide tube's distal end. The image capture component's field of view is generally perpendicular to the guide tube's longitudinal axis. The guide tube is jointed to allow the image capture component to be moved. The surgical instruments and the guide tube are telemanipulatively controlled.

Abstract: A medical apparatus includes: an operation portion; an annular wall portion including a base portion connectedly provided to an exterior case and a protruding end portion; an operation lever configured to be tilted by an operator; a cover member including a first fitted portion fitted to the operation lever, a deforming portion configured to deform accompanying a tilt of the operation lever, and a second fitted portion with an inner circumferential surface fitted to an outer circumferential surface of the wall portion; and an elastic member including a contact portion in contact with an outer circumferential surface of the second fitted portion, the contact portion being fixed to the exterior case and being deformed to press the outer circumferential surface of the second fitted portion.

Abstract: An endoscope made by a method for fixation of portions of steering wire of the endoscope, the steering wire having a first portion, a second portion, and a third portion, the method including positioning the second wire portion and the third wire portion of the steering wire adjacent to each other, applying an adhesive, at least partly enclosing the second wire portion, the third wire portion, and the adhesive with a crimp shell, and crimping the crimp shell, the second wire portion, and the third wire portion to thereby fixate the second wire portion in relation to the third wire portion.

Abstract: A hysteroscope includes a shaft comprising a fiber optic light channel, an operating channel, and two fluid circulating channels; and a zero-angle lens disposed at an distal end of the fiber optic light channel, wherein a distal section of the shaft has a bent section, and wherein the bent section has a deflection angle of about 5-40 degrees relative to a longitudinal axis of the remaining section of the shaft.

Abstract: An insertion apparatus includes an endoscope, a first air feeding apparatus, a first air suction apparatus, a second air feeding apparatus, a second air suction apparatus, a pressure detector, an operation detector and a controller, and the controller performs first control on the second air feeding apparatus and the second air suction apparatus so that the amount of gas per predetermined time period fed from the second air feeding apparatus becomes equal to the amount of gas suctioned by the second air suction apparatus, and when the operation detector detects the operation and the pressure detector detects that the pressure in a subject changes from a first pressure to a second pressure, the controller maintains the first control to perform air feeding/air suction into/from the subject at the second pressure.

Abstract: This endoscopic surgical device includes: an endoscope; a treatment tool; and a mantle tube. The inside of the mantle tube is partitioned by a partition wall member provided with an endoscope guide groove and a treatment-tool guide groove, to form an endoscope insertion passage and a treatment-tool insertion passage. An endoscope fixation tool and a treatment-tool fixation tool are respectively disposed inside the endoscope guide groove and the treatment-tool guide groove. The endoscope fixation tool advances and retracts in conjunction with the endoscope insertion part inserted through the endoscope insertion passage. The treatment-tool fixation tool moves in conjunction with the treatment-tool insertion part inserted through the treatment-tool insertion passage.

Abstract: A Veress needle is modified to receive a forward-looking miniature videoscope through the cannula of an insufflation tube of the Veress needle. The modified instrument enables direct viewing of progress of the instrument through tissue to the peritoneal cavity of a patient, for proper location of the needle and insufflation of the cavity via the needle. The videoscope has an elongated shaft of smaller diameter than the cannula of the insufflation tube for passage of insufflation gas with the scope in place. In another embodiment a needle is fitted with a miniature videoscope to provide the same function, with the needle's cannula serving as an insufflation tube.

Abstract: Example embodiments relate to devices, systems, and methods for performing a diagnostic and/or therapeutic action. The system may comprise an elongated main body having a first end. The system may further comprise an anchor assembly attached to the main body near the first end of the main body. The anchor assembly may comprise a first expandable member. The first expandable member may be configurable to expand radially away from the main body. The anchor assembly may further comprise a second expandable member provided between the first expandable member and the first end of the main body. The second expandable member may be configurable to expand radially away from the main body. The anchor assembly may be operable to secure the main body with respect to an interior wall forming the cavity of the patient.

Abstract: A medical device, configured for insertion into a body, may include an elongate member extending from a proximal end to a distal end, where the distal end may be configured to be positioned inside the body. The medical device may also include an imaging device positioned at the distal end. The medical device may further include a plurality of light sources positioned at the distal end, wherein a characteristic of light delivered through a first light source may be controlled independent of the characteristic of light delivered through a second light source.

Abstract: A system for visualizing an anatomical target includes a scope for internal imaging having a field of view less than a region to be imaged. A planning module is configured to receive video from the scope such that field of view images of the scope are stitched together to generate a composite image of the region to be imaged. An image guidance module is configured to move the scope along the anatomical target during a procedure such that an image generated in the field of view of the scope is displayed as live video overlaid on a field of the composite image.

Abstract: A treatment-instrument insertion aid (10) for aiding insertion of a treatment instrument into a body includes an inner tube (20) having flexibility into which the treatment instrument is insertable, and an outer tube (30) having flexibility into which the inner tube (20) is insertable. Both end portions (20B) of the inner tube (20) are formed of a hard material, and an intermediate portion (20A) between both the end portions (20B) is formed of a soft material.

Abstract: A medical introducer includes an elongated tubular member having a proximal end, a distal portion, and a central lumen extending from the proximal end to a distal port in the distal portion. A frame structure is coupled to the distal portion of the elongated tubular member, where frame structure supports the distal portion of the elongated tubular member in a tapered shape and alternatively in a non-tapered shape. The elongated tubular member may include a rigid outer tube and a rigid inner tube carried in an interior lumen of the outer tube. The distal portion is typically a reinforced elastomeric tubular extension of the outer tube, and the reinforced elastomeric tubular extension may have a conical shape.

Abstract: A Veress needle is modified to receive a forward-looking miniature videoscope through the cannula of an insufflation tube of the Veress needle. The modified instrument enables direct viewing of progress of the instrument through tissue to the peritoneal cavity of a patient, for proper location of the needle and insufflation of the cavity via the needle. The videoscope has an elongated shaft of smaller diameter than the cannula of the insufflation tube for passage of insufflation gas with the scope in place. In another embodiment a needle is fitted with a miniature videoscope to provide the same function, with the needle's cannula serving as an insufflation tube.

Abstract: There is provided an endoscope system which can secure appropriate bending stiffness of an insertion portion while maintaining the slide length of an endoscope insertion portion. According to one aspect of one of the present invention, in an endoscope system including an endoscope and an insertion assisting tool in which the endoscope is inserted and which assists the insertion of an endoscope insertion portion into a body, a flexible portion of the endoscope insertion portion includes a projection region which projects from the distal end opening of a tube body when the endoscope insertion portion is located in the distal end position in a movable range with respect to the tube body of the insertion assisting tool, and the projection region includes a bending stiffness change portion in which bending stiffness increases from a first position on the distal end side to a second position on the proximal end side.

Abstract: An object of the present invention is to provide an endoscopic surgery device and an outer tube, capable of easily obtaining an image desired by an operator to facilitate treatment as well as of performing minimally invasive surgery. In the endoscopic surgery device and the outer tube, an endoscope and a treatment tool are inserted into a body cavity through an outer tube. The outer tube is provided with a built-in slider. The slider is provided so as to be axially movable in the outer tube body. The endoscope and the treatment tool, inserted into the outer tube, are held by the slider. Moving the treatment tool allows endoscope to be moved in conjunction with the movement of the treatment tool.

Abstract: The present disclosure is directed to a medical device assembly. The medical device assembly described herein may include a medical device and a control unit. The medical device may include an imaging apparatus, an electrical wire coupled to the imaging apparatus, an illumination device, an illumination connector coupled to the illumination device, and a connector coupled to the electrical wire and the illumination connector. The control unit may include an electrical interface, a light source, and a port, wherein the port is configured to receive the connector to operatively couple the electrical wire to the electrical interface, and to operatively couple the illumination connector to the light source, the connector being removably attachable to the port.

Abstract: Embodiments of the present disclosure include a medical device. The medical device may include an elongate member, a first control member and a second control member each coupled to a distal end of the elongate member, an actuator coupled to the first control member and the second control member and configured to selectively move the first control member and the second control member to steer the elongate member, and a holding mechanism deflecting a path of the first control member from the actuator to the distal end of the elongate member and a path of the second control member from the actuator to the distal end of the elongate member. The holding mechanism may be configured to apply tension on one of the first control member and the second control member as the other is moved to steer the elongate member.

Abstract: A cannula assembly can allow an operator in an arthroscopic surgical procedure to control both an arthroscope and a surgical tool with a single hand. In some embodiments, for example, a scope tube may be combined with a tool tube to allow such control. The tool may be manipulated, for example, by causing the tool to rotate, and/or to move forward and backward in relation to the cannula assembly.