Class / Patent application number | Description | Number of patent applications / Date published |
600176000 | Having particular distal lens or window | 29 |
20080242935 | Endoscope - An endoscope incorporates an objective optical system and an image sensor at its distal end and has light guides around the objective optical system. In this case, when a direction parallel to the major side of an imaging region of the image sensor is taken as a lateral direction, exit end faces of the light guides are arranged only in the lateral direction of the objective optical system, a top cover is placed opposite to the exit end faces, and an illumination light diffusing portion is provided at the position of the top cover opposite to the exit end faces. Whereby, the endoscope in which the small-diameter design of the distal end is attained and the loss of emergent light is minimized can be provided. | 10-02-2008 |
20080300463 | HERMETIC ENDOSCOPE ASSEMBLAGE - Hermetically sealed enclosures and constructions are disclosed for use in endoscopic systems, particularly endoscopic systems with electronic imaging and illumination systems in the enclosures. Compound optical windows are also disclosed for use in the systems. The compound optical windows may have separate panes for an imaging system and an illumination system, and contrast-reducing optical boundaries are between panes. | 12-04-2008 |
20080319267 | Optical Window Member for Capsule Endoscope - A surface treatment is carried out on a surface of an inner circumferential die | 12-25-2008 |
20090306477 | Optical System - The invention relates to an optical system that is capable of taking images having a wide angle-of-view in simplified construction, is of small-format size and well corrected for aberrations, and has high resolving power. The optical system is an imaging system that is to image an object plane ( | 12-10-2009 |
20100324372 | Endoscope With A Window And Process To Manufacture - An endoscope includes a window on a distal end of the endoscope, an interior body with a first material on the distal end, and a mantle with a second material on the distal end, such that the window and the interior body are joined. | 12-23-2010 |
20100324373 | ENDOSCOPE-PIPE - An endoscope pipe with a central, elongated observation window on the distal end, whereby several light outlet openings for fiberoptic end surfaces are positioned close to the observation window for illuminating the angle area observed through the observation window and the light outlet openings are positioned asymmetrically in relation to the longitudinal extension of the observation window and/or the fiberoptic end surfaces are held in the light outlet openings in such a way that light is beamed from the fiberoptic end surfaces into the angle area in various directions. | 12-23-2010 |
20110015488 | Working conduit - A working conduit comprises an inner tube and an outer tube into which the inner tube can be inserted. The inner tube is a transparent hollow tube of which one end is a close end, and the other end is an open end. The outer tube is also a transparent hollow tube of which both ends are open ends. The close end of the inner tube is configured as a semi-spherical shape, a curved surface, a streamline shape, a parabolic surface or a cone with a rounded tip. The inner tube can be used as an observation tube. An endoscope can be inserted into the inner tube for confirming the position, range, orientation and/or depth of the portion to be surgically treated. | 01-20-2011 |
20110295072 | IMAGING ASSEMBLY WITH TRANSPARENT DISTAL CAP - An imaging assembly for use in a medical imaging device such as an endoscope or the like. In one embodiment, the imaging assembly includes a transparent distal cap that is shaped to receive an image sensor insert. The image sensor insert has a cooling channel that supplies a cooling liquid or gas to one or more illumination sources. | 12-01-2011 |
20120265018 | ENDOSCOPE - An endoscope is provided, with a first tube, a cover glass arranged at the distal end of the first tube, as well as with imaging optics, arranged in the first tube, which image an object located in front of the cover glass as an image, wherein the cover glass has a spherically curved, concave inside, a spherically curved, convex outside, and a constant thickness. | 10-18-2012 |
20130211199 | HERMETIC ENDOSCOPE ASSEMBLAGE - Hermetically sealed enclosures and constructions are disclosed for use in endoscopic systems, particularly endoscope systems with electronic imaging and illumination systems in the enclosures. Compound optical windows are also disclosed for use in the systems. The compound optical windows may have separate panes for an imaging system and an illumination system, and contrast-reducing optical boundaries are between panes. | 08-15-2013 |
20130317299 | ENDOSCOPE OPTICAL SYSTEM AND ENDOSCOPE - An endoscope optical system, including a front group and a rear group arranged in this order from an object side such that an aperture stop is arranged between the front and rear groups, wherein the front group includes a negative lens and a positive lens arranged in this order from the object side, the rear group includes a positive lens and a cemented lens arranged in this order from the object side, and when f (unit: mm) denotes a focal length of an entire endoscope optical system, EX (unit: mm) denotes a distance (which takes a minus sign on the object side with respect to an image plane) from the image plane to an exit pupil, and f | 11-28-2013 |
20140018628 | Objective Optical System for Endoscope - An endoscope objective optical system includes, in order from an object side, a first lens composed of a negative single lens, a second lens composed of a positive single lens, an aperture stop, a third lens composed of a positive single lens, and a fourth lens composed of a positive combined lens, the third lens having a meniscus shape having a convex surface facing the image side. The endoscope objective optical system satisfies the following conditions: | 01-16-2014 |
20140330082 | HERMETIC ENDOSCOPE ASSEMBLAGE - Hermetically sealed enclosures and constructions are disclosed for use in endoscopic systems, particularly endoscopic systems with electronic imaging and illumination systems in the enclosures. Compound optical windows are also disclosed for use in the systems. The compound optical windows may have separate panes for an imaging system and an illumination system, and contrast-reducing optical boundaries are between panes. | 11-06-2014 |
20140336465 | METHOD AND APPARATUS FOR FIBERSCOPE EMPLOYING SINGLE FIBER BUNDLE FOR CO-PROPAGATION OF IMAGE AND ILLUMINATION - An exemplary embodiment providing one or more improvements includes an endoscope which utilizes a single coherent fiber bundle for simultaneously carrying imaging and illumination light. | 11-13-2014 |
20140378769 | ENDOSCOPE AND ENDOSCOPY METHOD - An endoscope is provided with a main part, an endoscope shaft and an imaging lens system. An imaging lens system includes a correction module, which comprises a splitter unit and a superimposition unit. Light is routed to the correction module via a first beam path, which is split into a first and a second partial beam path by the splitter unit. The splitter unit guides light from the visible spectrum into one of the two partial beam paths and light from the near infrared range into the other partial beam path. The superimposition unit superimposes the light from the two partial beam paths and guides it into a second beam path, coaxial with the first beam path. The optical path lengths of the two partial beam paths for the light from the visible spectrum and the light from the near infrared range are selected such that they are different. | 12-25-2014 |
20150073220 | Endoscopic Camera Component Manufacturing Method - The invention provides an endoscope having a lens holder, wherein the lens holder includes a body containing a sintered feedstock and machined surfaces. The invention also provides a method of manufacturing the endoscope which includes the steps of molding a metal blank by a MIM process, wherein the metal blank is “near net shape” and has a sprue, a post, and optionally an outer shell, machining the inner surfaces and then the outer surfaces of the metal blank to form a lens holder, installing a lens in the lens holder, and assembling the lens holder having the lens into the endoscope. | 03-12-2015 |
20150080662 | OBJECTIVE LENS FOR AN ENDOSCOPE AND ENDOSCOPE - The objective lens for an endoscope substantially consists of a first lens group having a negative refractive power, a stop, and a second lens group having a positive refractive power in this order from the object side. The first lens group consists of a single negative lens. The second lens group consists of two or fewer lenses. When the focal length of the first lens group is f1 and the focal length of the entire system is f, conditional expression (1): −0.903-19-2015 | |
20160106306 | ILLUMINATION DEVICE - An illumination device includes a light output unit having an output end; an optical member that is disposed in a circumferential direction centered on a predetermined axis and that receives illumination light output from the output end and outputs the illumination light from a surface thereof; and a reflective layer that is provided adjacent to a surface of the optical member at an inner side in a radial direction and that reflects the illumination light outward in the radial direction. The optical member includes, in order from one end in a direction along the axis, a light guide layer and a diffusion layer. The light guide layer receives the illumination light from the output end in the direction along the axis and guides the illumination light. The diffusion layer receives the illumination light from the light guide layer and guides the illumination light while diffusing the illumination light. | 04-21-2016 |
20160157706 | OPTOGENETIC TOOL FOR MULTIPLE AND INDEPENDENTLY ADDRESSING OF PATTERNED OPTICAL WINDOWS - A multi-point light-delivering device, comprising a waveguide carrying light along a longitudinal axis and including multiple optical windows, through which the carried light is out-coupled from the waveguide. The waveguide comprises a tapered region along which the optical windows are distributed, wherein each optical window out-couples a specific subset of propagating modes of the carried light to which the optical window is matched. | 06-09-2016 |
20160174813 | ENDOSCOPE AND ENDOSCOPE TIP | 06-23-2016 |
600177000 | For improved illumination | 9 |
20090287057 | ILLUMINATION OPTICAL SYSTEM FOR ENDOSCOPES - The invention provides lenses at low costs, which form an illumination optical system for endoscopes that has high efficiency and achieves improved light distribution. The illumination optical system for endoscopes is used in opposition to a light beam exit end | 11-19-2009 |
20110319717 | OPTICAL WINDOW FOR IN VIVO IMAGING DEVICE - An optical system for preventing shaded areas and method of manufacturing the optical system include an imager, at least one illumination source, and an optical window, behind which the imager and the at least one illumination source are positioned. The optical window may include a diffusing element on a portion thereof, for scattering illumination passing through it, such that light scattered from that portion of the window illuminates an otherwise under-illuminated region of impingement of the illumination. The portion on which the diffusing element is located, is positioned outside a field of view of the imager and within a field of illumination of the at least one illumination source. | 12-29-2011 |
20120330101 | Scanning Endoscopic Imaging Probes and Related Methods - An imaging probe may utilize one or more suitably shaped lens structure to deflect light off-axis, allowing for the acquisition of B-scans by rotary or reciprocating motion of the lens. In some embodiments, a rotary joint is integrated into the probe to couple the lens structure(s) to, for example, an external imaging console. | 12-27-2012 |
20120330102 | Scanning Endoscopic Imaging Probes and Related Methods - An imaging probe may utilize a suitably shaped lens structure to deflect light off-axis, allowing for the acquisition of B-scans by rotary or reciprocating motion of the lens. | 12-27-2012 |
20130109921 | ENDOSCOPE LIGHT SOURCE APPARATUS AND ENDOSCOPE SYSTEM | 05-02-2013 |
20130197311 | LENS PROTECTOR FOR ENDOSCOPIC DEVICES - The invention is an endoscopic device comprising a proximal end, a distal end, and a first location positioned between the proximal end and the distal end. The endoscopic device comprises an optical system that terminates with an objective lens that is located at the first position. A lens protector unit is positioned between the objective lens and the distal tip in order to protect the objective lens. The lens protector unit comprises a rotating window that is located at the distal end of the endoscopic device. The endoscopic device also comprises a source of light located on the distal end. The source of light is adapted to illuminate the space in front of the distal end of the endoscopic device. | 08-01-2013 |
20130310649 | Endoscope - To provide excellent illumination over entire range from near view to distant view to achieve clear observation over entire range from near view to distant view. | 11-21-2013 |
20140107421 | LIGHTING STRUCTURE AND ENDOSCOPE - A lighting structure includes: an optical transmission medium that transmits pumping light and image light; an objective optical system that is disposed at a distal-end portion of the optical transmission medium; a wavelength conversion unit comprising a fluorescent body that receives the pumping light transmitted through the optical transmission medium and irradiates an object with illuminating light; and a wavelength-selective reflective unit that selectively reflects one of a wavelength of the pumping light and a wavelength of the image light, thereby emits pumping light that is incident thereto through the optical transmission medium into the fluorescent body and emits image light that is incident from the object into the optical transmission medium through the objective optical system. | 04-17-2014 |
20160143517 | OPTICAL SCANNER AND SCANNED LENS OPTICAL PROBE - A lens group for an endoscope or microscope, comprising one or more lens elements, each of uniform refractive index, adapted to: i) focus, with high wavefront aberration correction, driving or excitation light received from an exit tip of an optical waveguide (such as an optical fibre) located substantially against a proximal surface of the lens group to a point observational field with narrow point spread function beyond a distal surface of the lens group (such as outside an optical window located distally relative to the distal surface); and ii) transmit, with high wavefront aberration correction, fluorescence or reflected return light received by the distal surface from the point observational field (and its neighbourhood defined by the fluorescence wavelength point spread function) back to the exit tip of the optical waveguide at the fluorescence wavelength. | 05-26-2016 |