A61B1/00163

IMAGE GUIDANCE METHODS AND APPARATUS FOR GLAUCOMA SURGERY
20210145642 · 2021-05-20 ·

An imaging probe comprises a camera or endoscope with an external detector array, in which the probe is sized and shaped for surgical placement in an eye to image the eye from an interior of the eye during treatment. The imaging probe and a treatment probe 500 can be coupled together with a fastener or contained within a housing. The imaging probe and the treatment probe 500 can be sized and shaped to enter the eye through an incision in the cornea and image one or more of the ciliary body band or the scleral spur. The treatment probe 500 may comprise a treatment optical fiber or a surgical placement device to deliver an implant. A processor coupled to the detector can be configured with instructions to identify a location of one or more of the ciliary body band, the scleral spur, Schwalbe's line, or Schlemm's canal from the image.

Removable Optical Coherence Tomography (OCT) device
10986996 · 2021-04-27 · ·

The present disclosure relates to an OCT device, which can be simply mounted without changing the structure of a microscope or an endoscope, thereby realizing an OCT system and, more particularly, to a removable OCT device including: a tunable laser configured to emit light to the light output side of an optical device by tuning the wavelength of the light; a first beam splitter installed on a path of the light emitted from the tunable laser; and a reference mirror installed on a path of the light that has passed through the first beam splitter, wherein the removable OCT device is mounted at the light output side of the optical device.

Medical optical examination instrument
11006833 · 2021-05-18 · ·

A multifunctional medical optical examination instrument including a hand-holdable portion, at least an optical examination head portion mountable on the hand-holdable portion and including at least optical examination and non-digitized viewing optics and image digitization, storage and transmission circuitry included in at least one of the hand-holdable portion and the at least optical examination head portion, the image digitization, storage and transmission circuitry being arranged to receive an image from at least a portion of the at least optical examination and non-digitized viewing optics.

ILLUMINATION OPTICAL SYSTEM AND ENDOSCOPE SYSTEM
20210103138 · 2021-04-08 · ·

An illumination optical system includes: a light source; a light guide member that includes an input end and a plurality of output ends, optically guides light entering the input end, and outputs the light from the plurality of output ends; and a deflecting element that deflects the light from the light source toward the input end and changes a position where the light enters an end surface of the input end. The end surface of the input end is divided into a plurality of areas. Light entering one of the areas is output from one of the output ends different from an output end from which light entering another one of the areas is output.

Few-mode fiber endoscope
10969571 · 2021-04-06 · ·

Disclosed herein are configurations for few-mode fiber optical endoscope systems employing distal optics and few-mode, double-clad or other optical fiber wherein the systems directing an optical beam to a sample via the optical fiber; collecting light backscattered from the sample; direct the backscattered light to a detector via the optical fiber; and detect the backscattered light; wherein the directed optical beam is single mode and the collected light is one or more higher order modes.

ENDOSCOPE AND INSERTION SECTION OF ENDOSCOPE

An endoscope includes: a barrel having an opening of a through hole on an outer surface; a lens inserted into the through hole and having a distal end surface which protrudes from the outer surface; a first resin disposed between a wall surface of the through hole and a side surface of the lens; and a second resin disposed on a surface of the first resin, a portion of the barrel disposed around the opening, and an entire circumference of an outer peripheral portion of the distal end surface of the lens, the second resin forming a protruding portion which protrudes from the distal end surface of the optical member, containing light blocking particles, and having a larger fracture toughness value than the first resin.

Solid-state image pickup element, image pickup apparatus, and method of controlling solid-state image pickup element

To reduce power consumption in a solid-state image pickup element that performs pixel addition. A solid-state image pickup element includes a predetermined number of blocks, each of which is provided with a plurality of normal pixels arranged in a predetermined direction, and a light shielding area in which the predetermined number of light shielding pixels are arranged in the predetermined direction, the light shielding pixels being connected to the respective blocks. A scanning circuit that controls each of the plurality of normal pixels in the block so that the block transfers electric charge to the light shielding pixel corresponding to the block. A signal processing unit is provided, for each of the light shielding pixels, with a signal processing circuit that processes a signal generated by the light shielding pixel on the basis of the transferred electric charge.

IMAGE GENERATION APPARATUS, IMAGE DISPLAY APPARATUS, AND IMAGE DISPLAY METHOD
20210099679 · 2021-04-01 · ·

An image generation apparatus includes an objective optical system, an optical-path splitter, an image sensor, and an image processor. Both a first imaging area and a second imaging area are images of a field of view of the objective optical system. An outer edge of the first imaging area and an outer edge of the second imaging area are located at an inner side of a predetermined image pickup area, and an image of the outer edge located in the predetermined image pickup area is captured by the image sensor. The image processor has reference data, and in the image processor, a feature point is extracted on the basis of the imaging area. An amount of shift between the predetermined imaging area and the image sensor is calculated from the feature point and the reference data.

Camera objective lens for an endoscope
10993604 · 2021-05-04 · ·

A camera objective lens for an endoscope has an object-side first prism and an image-side second prism, a first lens system arranged on the object side of the first prism and a second lens system arranged on the image side of the first prism, and a sensor surface arranged at the image-side end of the camera objective lens parallel to the longitudinal axis of an endoscope shaft of the endoscope. The first prism and the second prism are designed to cause a first to third beam deflection as a three-fold beam deflection. The first lens system includes a biconcave first lens, a biconvex second lens, a third lens formed as a rod lens, a plane-concave fourth lens and a biconvex fifth lens in this order as viewed from the object side. The second lens system includes a convex-plane sixth lens, a seventh lens formed as a meniscus lens, a biconvex eighth lens and a biconcave ninth lens in this order as viewed from the object side.

PROPERTIES MEASUREMENT DEVICE
20210140763 · 2021-05-13 ·

An intra-oral optical scanning method for intra-oral optical scanning including projecting a pattern, the pattern including at least a first area illuminated by a first color of light and a second area illuminated by a second color of light and at least one non-illuminated area onto an intra-oral feature, making a first image of the first area, the second area and the non-illuminated area differentiating between the first color of light and the second color of light in the first image of the projected pattern, and determining from the image of the non-illuminated area at least one of an ambient light level, a level of scattered light, a level of light absorption and a level of light reflected from at least one of the first area and the second area. Related apparatus and methods are also described.