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7559891 |
Endoscope
Improved optical devices and methods transmit optical images along elongate optical paths with relatively limited cross-sectional dimensions using an improved objective, relay, and ocular systems....
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7499226 |
Magnifying optical system for endoscope
A magnifying optical system for endoscope which can be set at least in a usual observing condition (at a wide position) and a condition for observing a magnified image of an object at a short...
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7469160 |
Methods and apparatus for evaluating image focus
The invention provides methods of focusing an instrument for the acquisition of optical data from a tissue sample. Methods of the invention allow rapid focusing in the context of a diagnostic...
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7419467 |
Medical inspection device
A dental/medical instrument is provided for use in diagnostic and related patient inspection/examination. The device includes a body having an integral speculum with a video image capture device, a...
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7399275 |
Otoscope
An otoscope permitting examination of a patient's ear is defined by an instrument head including a proximal end and a distal insertion portion that is insertable into the ear. The otoscope includes...
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7385772 |
Optical device with lens positioning and method of making the same
Optical devices which accurately position optical elements and methods for producing such optical devices. Each optical element is carried by a support on an axis that has portions plastically...
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7309311 |
Endoscopic observation apparatus and medical device holder
An endoscope is connected optically removably to a TV camera through an adapter. A plurality of fixing pins is arranged on both sides of an insertion axis of an insertion part of the endoscope. A...
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7294102 |
Method and apparatus for providing depth control or z-actuation
A position control apparatus for controlling position along an axis, comprising: an extensible member that can be extended and contracted along said axis, comprising shape memory alloy locatable to...
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7244229 |
Capsule endoscope
A capsule endoscope is disclosed having an illumination means, an imaging system that includes an objective optical system, and a transparent cover. The invention is characterized by one of: (1)...
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7177088 |
Compact objective optical system and examination apparatus
By reducing the outer diameter, increasing the overall length, and correcting chromatic aberration well, the invention realizes an objective optical system and examination apparatus that are...
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7160249 |
Endoscope image pickup unit for picking up magnified images of an object, a focus adjustment apparatus and method, and a focus range check apparatus and method for the same
An endoscope image pickup unit is disclosed that captures magnified images of an object. An objective optical system of the image pickup unit includes, in order from the object side, a front lens...
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7160248 |
Optical device for viewing of cavernous and/or inaccessible spaces
An optical device for viewing an object at a range of working distances. The device comprises a slender tube of a certain length and having a distal end and a proximal end. The device further...
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7137948 |
Medical inspection device
A dental/medical instrument is provided for use in diagnostic and related patient inspection/examination. The device includes a body having an integral speculum with a video image capture device, a...
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7125378 |
Hermetically sealed imaging system for medical applications
An imaging system includes: an optical-system holding member for holding an optical system to form an optical image of a subject; an imaging-device holding member for holding an imaging device to...
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7099078 |
Borescope with simultaneous video and direct viewing
An assembly is described for connection to a borescope to simultaneously provide a virtual image for direct viewing by an observer and a video image for viewing on a display. The assembly ( 10 )...
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7066930 |
Arrangement for the treatment of barrett's esophagus
A method for the treatment of Barrett's Esophagus of a patient having endothelial esophageal complications. The treatment comprises connecting a wavelength specific light source to an elongated...
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7033346 |
Ophthalmic laser system
An ophthalmic laser system ( 1 ) for performing procedures such as Retinal Photocoagulation and Laser Trabeculoplasty comprises a delivery module ( 2 ) and a console module ( 3 ). The console...
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6929603 |
Variable view arthroscope
A variable-view arthroscope or similar instrument (endoscope, etc.) includes a housing tube with an input end. The housing tube contains an input assembly and a portion of a light relay assembly. A...
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6919914 |
Powered optical coupler and endoscopic viewing system using same
An endoscopic viewing system including a powered zoom coupler. The coupler is configured to attach the camera to a proximal end of an endoscope. The coupler includes a plurality of lenses that are...
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6855106 |
Endoscope and camera mount
An autoclavable endoscope suitable for attachment to a camera while hot. The structure of the endoscope adapted for attachment to the camera lens adapter presents a flat, co-planar proximal face,...
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6766186 |
Post biospy tissue marker and method of use
An implant for marking a location within the tissue of a patient after biopsy is self-anchoring. In one embodiment a strip of a shape memory alloy such as Nitinol can be straightened to facilitate...
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6749561 |
Autofocusing endoscopic system
An endoscopic apparatus and method allow for robust autofocusing operation regardless of contrast characteristics of the environment. The endoscopic apparatus and method can focus on a field stop...
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6743168 |
Endoscope system and method of use
An endoscope for eye surgery incorporates a handle having a camera and an electric motor driven lens assembly for enabling a user to focus the camera during surgery without manually adjusting the...
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6692432 |
Hand-held portable camera for producing video images of an object
A portable, hand-held endoscopic camera having all of the necessary components for performing endoscopic procedures comprises power source means, lens means, light source means, and video camera...
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6641530 |
Endoscope with objective lens drive mechanism
An endoscope with an objective lens drive mechanism for an objective lens system. The insertion instrument of the endoscope is provided with an angle section on the proximal side of the rigid tip...
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6632173 |
Device for positioning components within endoscopic systems
A device for positioning components within endoscopic systems includes a hermetically sealed housing. An outer ring element is mounted to rotate about the outer side of the housing and carries on...
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6616602 |
Endoscope with magnetic actuation
An endoscope with a sealed housing having inner magnetic structures coupled to a displacement element and outer magnetic structures coupled to an adjustment element. The inner and outer magnetic...
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6595916 |
Endoscope apparatus using curvature of field
This endoscope apparatus utilizes a phenomenon called “curvature of field” of a lens to satisfactorily bring a shape, into focus, of an object to be observed such as unevenness especially...
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6582362 |
Endoscope system
An endoscope system in which a normal observation image and a near observation image are photographed by a solid-state image sensor upon operation of a focus adjustment device for changing a focal...
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6572539 |
Linear transmission member driving unit for endoscope
In the endoscope, in which a protective tube and a linear transmission member are arranged from a tip end portion to an operating unit, for transmitting rotation of a motor to the tip end portion...
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6540668 |
Endoscope with a coupling device (video coupler) for connection of a video camera
An endoscope with a coupling device for the connection of a video camera, wherein the endoscope has, at its needle-shaped tube, a distal end which is provided for insertion into the body and a lens...
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6537210 |
Endoscope with a movable component
The invention relates to an endoscope with a hermetic housing wall ( 1 ) and containing an optic element ( 5, 11 ) which is adjusted by a drive element ( 6, 17 ) powered in turn by a magnet ( 7, 18...
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6537208 |
Optical imaging system with movable solid-state imaging device for focus control
An image pickup optical system for use in a magnifying endoscope or the like in which focus control is effected by moving a solid-state image pickup device. When a simultaneous solid-state image...
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6533721 |
Endoscopic camera system with automatic non-mechanical focus
An endoscopic camera system includes apparent focusing capability to automatically and non-mechanically apparently focus images of internal features of a body during an endoscopic procedure. The...
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6524235 |
Endoscopic image pickup assembly
A fixed lens of an optical objective lens system is fixedly retained on a support member which is provided in a rigid tip end section of an endoscopic insertion instrument, along with a movable...
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6511420 |
Video opto-diagnostic instrument with single-adjustment focus
A hand-held ophthalmoscope modified by the removal or augmentation of the focusing wheel and the addition of a manual or automatic focusing lens system. An electronic imager (CCD array or video...
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6508760 |
Endoscope for optically variable power using moving time as position information
A movable lens is provided at the tip of an electroscope, and an optically enlarged image can be observed by moving the movable lens by a motor. A microcomputer measures the entire moving time from...
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6490083 |
Microscopy method and apparatus
An assembly for viewing cells inside tissue of a living organism. The assembly includes a confocal microscope having an objective for magnifying an image positioned at a focal plane of the...
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6470124 |
Device for observation inside a body providing improved quality of observation
The invention concerns a device for observation inside a body, such as the body of a living being, comprising means for illuminating ( 110, 115, 200, 300, 400 ) the body inside, means for...
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6425857 |
Endoscope, in particular video endoscope
An endoscope, in particular a video endoscope, has an endoscope shaft at the distal end and a mount at the proximal end for attaching an optical imaging device, for example a video camera, and an...
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6398724 |
Focusable optical instrument with a sealed optical system having no internal optical moving parts
An endoscope having an autoclavable replaceable sealed optical assembly without moveable parts. The sealed optical assembly is placed into an insertion tube of the endoscope. A focusing device is...
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6363193 |
Endoscope optics
An endoscope optics including a housing receiving an image-observation device and a tubular stem. The stem is secured to a distal end of the housing. An image transmitting device is mounted inside...
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6292221 |
Motorized focusing device and viewing system utilizing same
An improved focusing coupler device for coupling the image capturing portion of an endoscope to a video camera is disclosed. The coupler device includes a housing having an elongate internal...
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RE37356 |
Endoscope with position display for zoom lens unit and imaging device
A position-indicating video display system is provided for an endoscope of the type having an objective lens, a movable zoom lens, a movable solid state imaging device for picking up the image...
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6277067 |
Method and portable colposcope useful in cervical cancer detection
A method and portable apparatus for the visual examination and grading of cervical epithelium by means of a hand-held colposcopy assembly capable of producing a digital image of the cervix. The...
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6155973 |
Universal endoscope video adaptor with zoom
An improved adaptor for coupling a video camera to an endoscope, borescope, or the like includes a focusing mechanism and an independent zoom or magnification variation adjustment mechanism. The...
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6142934 |
Objective lens system for imaging instrument
A retrofocus objective lens system which is conducive for an otoscope includes a first group of optical elements positioned at a distal portion and a second group of optical elements proximally...
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6117071 |
Endoscope with movable imaging unit for zooming or focusing
An electronic endoscope includes a charge coupled device and provides macro-zooming function. The endoscope comprises an imaging unit including a plurality of optical elements forming an optical...
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6113533 |
Endoscope video adapter with zoom
An adaptor for coupling a video camera to an endoscope, borescope, or the like includes a focusing mechanism and an independent zoom or magnification variation adjustment mechanism. The zoom...
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6059721 |
Endoscope having variable magnification and focusing
An endoscope includes a shaft receiving at least a pair of the lens groups movable jointly to provide focusing of an image upon actuation of an adjusting wheel and adapted to be disengaged to have...
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