An imaging system is provided comprising an imaging probe and at least one delivery device. The imaging probe comprises an elongate shaft, a rotatable optical core and an optical assembly. The elongate shaft comprises a proximal end, a distal portion, and a lumen extending between the proximal end and the distal portion. The rotatable optical core is positioned within the lumen of the elongate shaft and comprises a proximal end and a distal end. The rotatable optical core is configured to optically and mechanically connect with an interface unit. The optical assembly is positioned in the elongate shaft distal portion and proximate the rotatable optical core distal end. The optical assembly is configured to direct light to tissue and collect reflected light from the tissue. The imaging probe is constructed and arranged to collect image data from a patient site. The at least one delivery device is constructed and arranged to slidingly engage the imaging probe. Methods of introducing the imaging probe and the at least one delivery catheter into a patient are also provided.

A light source apparatus includes a light source optically connectable to a scope including a light guide configured to guide light, and first and second illumination light emission units configured to radiate illumination light based on the guided light on a subject, and a light quantity distribution changing device disposed on an optical path of the light emitted from the light source. The light quantity distribution changing device is configured to control a light quantity of the light brought into each of the first illumination light emission unit and the second illumination light emission unit, so as to change a light quantity distribution of the illumination light radiated on the subject.

An endotracheal tube includes a main tubular portion including a distal end and a proximal end opposite the distal end, the main tubular portion including a central lumen at least in part defined by a wall of the main tubular portion; a wire lumen disposed within the wall of the main tubular portion, the wire lumen defined at least in part by a sidewall portion of the wire lumen and extending from about the proximal end of the main tubular portion to about the distal end of the main tubular portion; a wire disposed in the wire lumen; and one or more cutouts extending along a portion of the wall of the main tubular portion, the cutouts comprising openings in the sidewall portion of the wire lumen, wherein the cutouts are not in fluid communication with the central lumen.

The disclosures provides an endoscope device which includes a handle portion including a main circuit board, a clamping portion connected to the handle portion, and an insertion portion connected to the clamping portion and including a lens, an image sensor corresponding to the lens, and a flexible circuit board electrically connected to the image sensor, wherein the lens and the image sensor are located at a distal end of the insertion portion away from the clamping portion, and the flexible circuit board extends from the distal end through the clamping portion to the handle portion and is electrically connected to the main circuit board.

The present invention provides a protective sheath, a hysteroscope equipped therewith, and a nephroscope equipped with the same, used to prevent contaminants from contaminating electrical connecting lines connected to the endoscope. The protective sheath includes an inner sheath (1) and an outer sheath (2), which are sleeved together, the outer sheath (2) has a cylindrical structure, the inner sheath (1) includes a straight cylindrical portion and a bell mouth portion, the bell mouth portion is located on an insertion end side of the inner sheath (1), a side wall of the bell mouth portion is provided with a plurality of grooves extending from the bell mouth portion to the straight cylindrical portion, and a plurality of elastic sheets (12) are formed at the insertion end of the inner sheath (1); a connecting portion cooperating with a self-locking quick connector (7) is formed on the inner wall of each elastic sheet (12); and a hollow cavity is disposed between the inner sheath (1) and the outer sheath (2), and a compressed waterproof jacket (3) is disposed in the hollow cavity, one end of the waterproof jacket (3) is fixedly sheathed on the inner sheath (1), and the other end of the waterproof jacket (3) can be pulled through a non-insertion end of the protective sheath. The protective sheath is lightweight, compact, and easy to operate. The protective sheath effectively protects the electrical connecting lines from being contaminated during use, thereby preventing short circuit, contamination and other situations, furthermore, the protective sheath is low in production cost and can be used as a disposable medical device.

An endoscope having a distal end, a proximal end and a longitudinal axis extending from the proximal end to the distal end, the endoscope comprising: a flexible elongate tube, an illumination source positioned at the distal end for illuminating a lumen of a patient, an image sensor for capturing images within the illuminated lumen of the patient, a working channel extending through the elongate tube and terminating at the distal end, an articulation assembly including at least one steering cable operably coupled to the distal end such that movement of the at least one steering cable induces the flexible elongate tube to articulate relative to the longitudinal axis, is characterized by a head being arranged at the distal end, said head carrying at least the illumination source and the image sensor and comprising a distal section of the working channel, said head being rotatable relative to the flexible elongate tube about the longitudinal axis.

A light applicator (5) for examining and/or treating an organic body includes a minimal-invasive, rigid, semi-flexible or flexible insertion section (11) which extends along a longitudinal direction (L) and at its distal end includes an LED (19). The light applicator (5) includes a first electrical lead (61a) for the supply of electricity to the LED (19). The lead extends in the insertion section (11) in the longitudinal direction (L) and there has a cross-sectional area of at least 70% of the cross-sectional area of the light applicator (5). The light applicator (5) in the insertion section (11) is thermally insulated in the radial direction in a manner such that the radial thermal insulation reduces proximally.

An auxiliary operation structure (1) for an endoscope, comprising: a control module (10), a human-machine interface module (30) and a clamping module (12). A plurality of pressing units (P1, P2, P3, P4, P5, P6), a plurality of dial driving units (D1, D2) and a plurality of knob driving units (S1, S2) of the control module (10) are connected to a plurality of control units on an operation module (21) of an endoscope (2) of the control module (10). With the auxiliary operation structure (1) for the endoscope (2), a physician can control a joystick (15) via the hands to perform manipulation, such that the operation module (21) of the endoscope (2) can be controlled and operated easily to perform an invasive examination or a minimally invasive operation by means of the endoscope (2). In an invasive examination or a minimally invasive operation, a physician is not required to hold the operation module (21) of the endoscope (2) with the hands, avoiding excessive load on the wrists or arms of the physician and occupational injury thereto.

An ultrasound probe includes: an ultrasound transducer array in which a plurality of ultrasound transducers configured to transmit and receive ultrasound are arrayed; a backing layer provided on a proximal end surface of the ultrasound transducer array; and a piezoelectric element, provided on a proximal end surface of the backing layer, whose direction of polarization is opposite to a direction of polarization of the plurality of ultrasound transducers.

An endoscope distal head includes a distal head housing defining a distal end surface of the distal head and being formed from a light-permeable material that is permeable to light within a securing material curing spectrum. The distal head housing defines a working channel tube receiving cavity, a camera receiving cavity, and an illumination light conduit receiving cavity. A working channel tube is secured within the working channel tube receiving cavity, while an image sensor-based camera assembly is secured within the camera receiving cavity and an illumination conduit is secured within the illumination light conduit receiving cavity. Each of these components, the working channel tube, the camera assembly, and the illumination light conduit are each secured in their respective receiving cavity with a light-cured securing material that has been cured by exposure to light within the securing material curing spectrum.