30 results about "Fiberguide" patented technology

A radiation emitting apparatus is disclosed that emits a substantially homogenous beam of radiation from an irregularly shaped output end. As described herein, a radiation emitting apparatus includes a bundled fiberguide coupled to an energy distribution tuner. The bundled fiber guide is coupled to the energy distribution tuner to receive a substantially uniform distribution of high power energy. The bundled fiber guide is configured to distribute the energy to emit a substantially uniform distribution of lower power energy toward a target surface, such as a body surface. The bundled fiber guide may include a plurality of fused optic fibers, a plurality of beam splitting mirror elements, or tapered waveguides.

This invention relates to an optical collimator head-on package device and a method in which, the device includes: a frame, a clamper, a z axle moving platform, an x axle moving plalaform and a gear row in which, a fiber tube sleeved by a glass bushing is held by the device them a graded optical signal Grin-lens end is rested with a gear and sleeved by a glass bushing. The gear connection relationship of the gear and gear row is used to make the Grin-lens shift up and down or rotate through x, z axle shifting platforms to adjust location and angle of the Grain-lens related to strong or weak light signals to keep it unchanged to ensure the head-on location when fixing the lens and glass bushing with glue.

The invention provides a cooling sleeve which comprises an inner pipe, an optical fiber is arranged in the inner pipe, the outer wall of the optical fiber is in contact with the inner wall of the inner pipe to form a plurality of first contact parts extending in the axial direction, and axial gaps between the adjacent first contact parts form first circulation channels; the inner pipe is arranged in an outer pipe, the inner wall of the outer pipe makes contact with the outer wall of the inner pipe to form a plurality of second contact parts extending in the axial direction, and axial gaps between the adjacent second contact parts form second circulation channels; the near ends of the first circulation channels and the near ends of the second circulation channels are communicated at the near end of the outer pipe to form a back-flow cavity; and the far ends of the first circulation channels and the far ends of the second circulation channels are respectively and independently communicated with the outside. The invention further provides an optical fiber conduit with the cooling sleeve. The cooling sleeve and the optical fiber conduit with the same are ingenious in conception, and coaxial self-supporting among the inner pipe, the outer pipe and the optical fiber is achieved through the contact mode of the inner pipe, the outer pipe and the optical fiber.

The invention discloses an optical fiber conduit cooling system capable of removing fluid bubbles. The optical fiber conduit cooling system comprises an optical fiber conduit, the optical fiber conduit is only composed of an optical fiber and a sleeve arranged outside the optical fiber in a sleeving mode, a plurality of interval parts are arranged in the mode that the inner wall of the sleeve extends towards the axis direction of the sleeve, a plurality of gaps which extend in the length direction of the sleeve and are not communicated with one another are formed among the optical fiber, the sleeve and the interval parts, one part of the gaps form a water inlet channel, and the other part of the gaps form a water outlet channel; and one end of the water inlet channel is communicated with one end of the water outlet channel, the other end of the water inlet channel is communicated with a cold source, and the other end of the water outlet channel is used for discharging the cold source. According to the optical fiber conduit with the single-sleeve structure, the coaxiality and the straightness of the optical fiber and the sleeve become very easy. The invention further provides a method for eliminating bubbles from the cooling liquid distribution system. The method ensures that the liquid entering the optical fiber guide pipe is free of bubbles.

An all-purpose device capable of in vitro spectral analysis of sunscreen compositions as well as diffuse reflectance spectroscopy (DRS) capabilities on human skin includes a fiber optic guide, a light source positioned at one end of the fiber optic guide, and a sunscreen substrate assembly positioned at another end of the fiber optic guide.

The invention relates to an optical fiber catheter one-way stepping device and a driving system, belongs to the field of ablation operation devices, and solves the problems that a stepping device in the prior art is inaccurate and unstable in displacement and cannot be used in a nuclear magnetic environment. An optical fiber conduit one-way stepping device comprises a driving assembly and a stepping assembly, and the driving assembly is used for driving the stepping assembly to move; the stepping assembly comprises a machine base, a driving stepping part and a driven stepping part, the driving stepping part and the driven stepping part are arranged in the machine base and are mutually meshed and connected in a ratchet wheel and ratchet mode, and the driving assembly drives the driving stepping part to drive the driven stepping part to conduct one-way stepping. The driven stepping part drives the optical fiber conduit to realize synchronous one-way stepping motion; the precision and the stability are improved by driving the optical fiber conduit to move unidirectionally and equidistantly.

The invention discloses a loose tube double-pre-filling oil filling device and process. The loose tube double-pre-filling oil filling device comprises a fiber paste filling structure and an optical fiber guide structure. The fiber paste filling structure comprises a first pre-filling mechanism and a second pre-filling mechanism, and each of the first pre-filling mechanism and the second pre-filling mechanism comprises a base internally provided with a cavity, an inlet die and a wiping die, wherein the inlet die and the wiping die are arranged at the two ends of the base respectively, and the inlet die and the wiping die are communicated with the cavity. A fiber paste runner communicated with the cavity is arranged on each base; the optical fiber guide structure comprises an optical fiber guide pipe; a guide hole is formed in the center of the optical fiber guide pipe; the center positions of the inlet dies, the wiping dies and the guide hole are located on the same straight line. The optical fiber is pre-coated with the fiber paste twice through the first pre-filling mechanism and the second pre-filling mechanism in sequence, so that the optical fiber is pre-coated with the fiber paste more uniformly and fully, and the problems of non-uniform outer diameter and bamboo joint shape of the loose tube are solved.

A cylindrical optical fiber balloon catheter device for biliary tract tumor photodynamic precise treatment comprises an inflatable balloon, an outer sleeve and an optical fiber catheter which are all made of transparent materials. The head end of the outer sleeve is communicated with the inflatable balloon, the tail end of the outer sleeve is connected with the quantitative inflation device, and the quantitative inflation device is used for quantitatively inflating the inflatable balloon through the outer sleeve; the head end of the optical fiber catheter is arranged in the inflatable balloon along the outer sleeve, the tail end of the optical fiber catheter extends out of an opening in the side wall of the outer sleeve, the columnar optical fiber is arranged from an optical fiber inlet in the tail end of the optical fiber catheter, and a light-emitting part of the columnar optical fiber is located at the head end of the optical fiber catheter. By means of the inflatable balloon, a focus can be completely covered, the collapsed bile duct can be expanded, the optical fiber is kept at the position of the duct core, bile, blood and the like are discharged, the optical fiber can conveniently conduct photodynamic therapy through the optical fiber catheter, and the problem that laser irradiation is uneven due to the fact that the optical fiber is attached to one side of the bile duct wall is solved; the light transmittance is prevented from being influenced by bile, so that the biliary tract tumor photodynamic therapy effect is improved.

The invention discloses an ultrafast laser galvanometer scanning coupling method, which comprises the following steps: through a basic structure consisting of an ultrafast laser, a galvanometer, a converter, a controller, an optical fiber conduit and an output end, quickly filling a light field into a whole optical fiber array beam in the optical fiber conduit by using a low-power single ultrafast laser beam; the whole optical fiber array beam has the effect equivalent to high-power laser irradiation, an irradiation light field is expanded, precise coupling is achieved, the power requirement and manufacturing cost of a laser and the heat effect on surrounding tissue are reduced, and the purposes of intravascular treatment, especially efficient thrombus and plaque ablation are achieved.

The invention discloses a multipurpose industrial lighting system based on a paraboloid light collecting plate and a light guide pipe, and relates to the field of lighting systems. The system comprises: a light condensing plate, wherein the bottom of the light condensing plate is sunken downwards to form a concave mirror, and a light hole is formed in the center of the bottom; a telescopic rod which is rotationally connected to the light condensing plate and is used for adjusting the position of a light condensing element; a light condensing element which is arranged at the focal point of the light condensing plate and used for gathering light to the light hole; and an optical fiber tube, wherein optical fibers are arranged in the optical fiber tube, one end of the optical fiber tube is arranged at the light hole and used for receiving and transmitting the light source, and the other end is connected with an indoor light-emitting element which can be powered by a power supply to emit light. The optical fibers are used for replacing a traditional lighting mode, light loss is reduced, indoor and outdoor lighting is achieved by means of reversibility of light, and the system is high in practicability and suitable for popularization.

The invention discloses an optical fiber coupling catheter system for catheter material output and photochemical reaction, which comprises a catheter main body, one end of the catheter main body is connected with a coupling tailstock, the interior of the catheter main body comprises a material cavity, an optical fiber light path, a sheath liquid cavity and a support wire, and an optical fiber is introduced into the optical fiber light path; the head end of the catheter body is provided with a single-cavity channel, and the material cavity, the optical fiber, the sheath fluid cavity and the supporting wire are all led into the single-cavity channel. According to the device, the functions of conveying hydrogel containing a contrast agent through the catheter and carrying out photocuring in a single-cavity channel can be achieved, meanwhile, input of three kinds of energy or substances including light, materials and sheath fluid is provided with independent channels, intersection and action are carried out in the single-cavity channel at the head end in the catheter body, the conveying process is safe and free of interference, and the conveying efficiency is improved. The functional hydrogel is efficiently conveyed to a focus part, and meanwhile, stimulation conditions can be applied before the hydrogel is in contact with the surface of focus tissue, so that the dual-curing effects of material ion coordination and photo-crosslinking are achieved.