4414results about "Boring tools" patented technology

An oral irrigator including a reservoir, a handle in fluid communication with the reservoir, a base in fluid communication with the handle and the reservoir, and a valve assembly. The valve assembly is configured to couple the handle to the base. In a first configuration, the handle valve and base valve are closed to prevent fluid flow out of the handle and the base, respectively, and in a second configuration, the handle valve and the base valve are open to allow fluid to flow between the base and the handle.

The invention provides an oral surgery positioning and navigation method and system and a storage medium, and the method comprises the steps: calibrating an implanted mobile phone to obtain a unit vector of a rotating shaft of a drill bit and a three-dimensional coordinate value of the tip of the drill bit under an optical three-dimensional coordinate system, scanning to obtain a CT three-dimensional model of a patient, and segmenting to obtain a tooth CT model and an alveolar bone CT model; generating a tooth three-dimensional point cloud according to the real-time pattern of the speckle structured light on the teeth of the patient, acquiring a matrix transformation relation between a CT three-dimensional coordinate system and an optical three-dimensional coordinate system, and performing real-time navigation on the implanted mobile phone according to the real-time point position deviation and the real-time angle deviation of the drill bit. According to the technical scheme, the matrix transformation relation between the CT three-dimensional coordinate system and the optical three-dimensional coordinate system is calculated through the tooth CT feature points and the tooth point cloud feature points, and auxiliary navigation is carried out by comparing the target position of the implant with the real-time pose of the tip of the drill bit, the direction vector of the planting path and the unit vector of the rotating shaft of the drill bit. Operation is convenient and positioning precision is high.

A method treating a root canal in a tooth by introducing into the pulp chamber of a tooth and pulsing a laser light into the fluid reservoir so as to disintegrate pulp within the root canal without generation of any significant heat in said liquid fluid so as to avoid elevating the temperature of any of the dentin, tooth, or other adjacent tissue more than about 5″ C.

A dental treatment system can include a console, a tooth coupler, and an interface member that provides at least one of fluidic, electrical, mechanical, and data communication between the tooth coupler and the console. The tooth coupler (which may comprise a handpiece or a treatment cap) can act as a working end of the system to administer a suitable treatment procedure, such as a cleaning procedure, an obturation procedure, a restoration procedure, etc. The tooth coupler can removably engage the interface member such that the clinician can easily engage and disengage the tooth coupler and interface member.

A method treating a root canal in a tooth by introducing into the pulp chamber of a tooth and pulsing a laser light into the fluid reservoir so as to disintegrate pulp within the root canal without generation of any significant heat in said liquid fluid so as to avoid elevating the temperature of any of the dentin, tooth, or other adjacent tissue more than about 5° C.

An apparatus for treating a tooth can include a fluid platform comprising a wall and a chamber at least partially defined by the wall. The fluid platform can be disposed against a tooth to retain fluid in the chamber and provide fluid communication between a treatment region of the tooth and the chamber by way of an access port. The chamber can have a central axis. A liquid supply port can be disposed to direct a liquid stream across the chamber along a stream axis non-parallel to the central axis. A suction port can be exposed to the chamber. The chamber can have a maximum lateral dimension in a plane extending substantially transverse to the central axis, the plane delimited by the wall along a boundary. A projection of the suction port onto the plane can be closer to the boundary than to the central axis of the chamber.

The utility model discloses a steel heat insulation fireproof door, which belongs to the technical field of fireproof doors, and comprises a frame, a door plate is hinged in the frame, a plurality of U-shaped fixing plates are fixedly connected to the surface of the top end of the frame, and the U-shaped fixing plates are linearly and symmetrically distributed. The top end of the U-shaped fixing plate is fixedly connected with an L-shaped fixing plate, the other end of the L-shaped fixing plate is fixedly connected with the frame, and a bidirectional heat insulation water curtain mechanism is arranged between the L-shaped fixing plate and the U-shaped fixing plate. By arranging the bidirectional heat insulation water curtain mechanism, the water curtain can absorb heat through evaporation, reduce the temperature of a fire area and reduce the temperature of the steel fireproof door directly contacted with flames, so that the door body is prevented from excessively fast thermal expansion and deformation in a fire, and the water curtain not only can reduce the temperature, but also can effectively isolate a fire source, so that the service life of the steel fireproof door is prolonged. Direct contact of flames to the surface of the fireproof door is reduced, and fire spreading speed is inhibited.

A wearable device to measure a user's physiological parameters comprising one or more biosensors, as well as a light source comprising light emitting diodes, lenses for directing light towards tissue of the user comprising blood vessels, and a detection system receiving reflected tissue light. The physiological parameters, for example hypertension, are measured with a differential measurement. For example, the physiological parameters may be associated with pulse rate and blood flow. The output signal is associated with the physiological parameters, and artificial intelligence may be used in making decisions regarding the output signal. Signal-to-noise ratio of the output signal may be improved by synchronizing the detection system to the light source, increasing light intensity, and detecting a change. The wearable device is configured to determine that is being worn by the user and may be configured to communicate with a smartphone or tablet.

The present invention addresses above-noted objectives by providing a dental component that includes a coronal end, an apical end, and a longitudinal axis extending between the coronal end and the apical end. The dental component also includes an interface for assembly to another dental component, the interface includes at least one indexing section for rotationally locking the dental component to the other dental component and at least one guiding section. The at least one guiding section and the at least one indexing section alternate about the longitudinal axis, wherein the guiding section includes an apically facing or coronally facing guiding surface. Further, a tangent to at least a portion of the guiding surface has a slope towards the next indexing section about the longitudinal axis.

Image acquisition device comprising: - a support (12); - a dental retractor (14) fixed to the support and defining a retractor opening (24); and - means for fixing an image acquisition device to the support in a position in which the acquisition device is oriented to receive an image of the retractor opening.

An oral rinse capsule is provided. The oral rinse capsule is configured to be mounted in a capsule accommodating chamber of a water flosser, and includes a capsule shell assembly, a moving member, a piston assembly, and a connecting shell. The moving member is movably arranged in the capsule shell assembly. The oral rinse accommodating chamber is formed between an inner wall of the moving member and an inner wall of the capsule shell assembly. The capsule shell assembly is further provided with a piston chamber. The piston chamber is communicated to the oral rinse accommodating chamber and is configured to be communicated to a liquid outlet of the water flosser. The piston assembly is slidably arranged in the piston chamber. The connecting shell is provided with a sliding chamber. The capsule shell assembly is slidably arranged in the sliding chamber.

Embodiments relate to a flame barrier that may be adhered or mechanically fastened to a substrate to provide fire resistance and / or an outer protective surface. The flame barrier may alternatively be adhered or mechanically fastened to an existing flame barrier to provide increased fire resistance and / or increased protective ability. The flame barrier is configured to protect against high temperature flames, prevent flame penetration, and contain aggressive flames to reduce the severity of the flame's impact, heat, and velocity.

The present invention relates to a tool system comprising a handheld implement having a passive vectorized tracking marker permanently integrated with the implement at a predetermined location on the implement in a predetermined orientation with respect to the implement; and a database comprising geometric information describing the at least one of a rotationally asymmetric shape of the tracking marker and a rotationally asymmetric pattern disposed on the tracking marker. The system may further comprise: a tracker configured for obtaining image information about the tracking marker when the tracking marker is in a field of view of the tracker; and a controller having a processor and memory, the controller in communication with the database and the tracker, the processor programmable for receiving and processing image information from the tracker; accessing the database to retrieve the geometric information; and comparing the image information with the geometric information. The handheld implement may be three-dimensionally tracked by the tracker.

An endodontic microcannula system for evacuation of root canal contents from a root canal of a patient. The system includes a microcannula for insertion into the root canal, a handpiece for vibrating the microcannula while it is disposed within the root canal, and an irrigation fluid reservoir for supplying irrigation fluid to the root canal, an a vacuum source for drawing the fluid and root canal debris into the microcannula and out of the root canal.

The invention discloses a safe and intelligent emergency lighting terminal integrated product and a control system thereof, and belongs to the technical field of emergency lighting, the safe and intelligent emergency lighting terminal integrated product comprises an integrated terminal product box and a pair of blasting assemblies; the integrated terminal product box is fixedly installed on the solid wall, and the integrated terminal product box is located above the glass curtain wall. According to the integrated product, the distance between the pair of blasting assemblies can be adjusted according to the width of the glass curtain wall, the pair of blasting assemblies can be located at the two corners of the upper portion of any glass curtain wall, once fire disasters and other emergencies happen, impact heads on the blasting assemblies are automatically released, the glass curtain walls are broken from the corners, and therefore the purpose of fire protection is achieved. Then the electric telescopic rod is matched to drive the blasting assembly to swing and flap the glass curtain wall, stable blasting of the glass curtain wall is achieved, and therefore a new escape exit is opened up, the effect of urgently and rapidly evacuating crowds is achieved, and the safety emergency effect is greatly improved.

A splint device (100) for robotically-guided surgery includes elongate first and second splint portions (200, 400) each having opposed longitudinal ends and an interface edge extending between the ends, wherein the respective interface edges (250, 450) are arranged as a complement to each other. First and second alignment elements (800A, 800B) engaged with the first and second splint portions are arranged to interact with each other such that a substantially consistent gap is defined between the first and second interface edges, from the first ends to the second ends of the first and second splint portions. A threaded member (900) is engaged between the first and second splint portions and arranged to advance the first and second interface edges toward each other in response to advancement of the threaded member. A tracking portion (1000) having a kinematic mount (1100) engaged therewith is engaged with the first or second splint portion and extends outwardly therefrom. An associated method is also provided.

The present invention relates to the field of dental implants, and in particular to an artificial dental implant positioning auxiliary tool. The tool comprises a positioning base plate, a first positioning member and a second positioning member. A first mounting platform and a second mounting platform are provided on the positioning base plate. The first mounting platform is located above the dental implant point, and the second mounting platform and the first mounting platform are spaced apart. The first positioning member is provided on the first mounting platform, and the second positioning member is rotated and provided on the second mounting platform. The second positioning member and the first positioning member are assembled to form a positioning hole. The present invention sets the positioning hole in an assembled form. When the drill bit is positioned, the second positioning member is rotated to an open state to facilitate the entry of the drill bit. Then, the second positioning member is switched to an assembled state to form a positioning hole to position the drill bit. There is no need for the drill bit to find a position for insertion, which is convenient for installation. At the same time, the diameter of the positioning hole can be set to match the diameter of the drill bit matching position. There is no need to reserve a large gap, and the positioning is more accurate. The positioning hole can be opened to facilitate the discharge of bone chips.

The invention belongs to the technical field of vehicle safety, and discloses a new energy vehicle assembled battery pack safety protection device which comprises a bottom shell, a top shell and a trigger structure. According to the battery pack cooling device, through the arranged trigger structure, when the temperature in the battery pack rises and exceeds the cooling effect of the liquid cooling plate, the electric control valve located on the lower portion is opened at the moment, the lower pipe pushes the circular plate to move upwards, then the circular plate seals the vent holes, and at the moment, external air cannot enter the battery pack from the vent holes and the vent holes; then, an electric control valve above is controlled to be opened, compressed nitrogen in a compression tank is sprayed out at the moment, air in the battery pack and a battery module connected with a heat conduction block are cooled at the same time, the air in the battery pack is pushed outwards by the compressed nitrogen at the moment, and the air in the battery pack is cooled; the oxygen content in the battery pack is further reduced, so that the battery pack is prevented from spontaneous combustion, and the ignited battery module is extinguished at the same time.

A rotary osteotome for deep reach applications. The body of the osteotome has a tapered end that supports helically spiraling flutes. Substantially margin-less (without margin) working edges are interleaved between the flutes to provide compaction action when rotated in a non cutting direction. The body also has an elongated cylindrical stopper section. An irrigation conduit passes through the center of the stopper section and emerges at a plurality of outlet orifices that function as independent nozzles for irrigating fluid. The outlet orifices are generally elliptical in shape and spaced around the body to maintain balance. The irrigation conduit has a main trunk that opens to a flow splitter, which in turn divides the flow of irrigating fluid into substantially equal branches. Each branch is angled at an acute trajectory relative to the longitudinal axis, in the direction of said apical end, between about 10° and 45°.

The dental handpiece has a handle and a housing with a first light-emitting diode and a first optical sensor. The housing also has a second light-emitting diode, a second optical sensor, shielding windows for each optical and apertures for supplying compressed air to each shielding window. A diffuser is located in each aperture, the diffuser being adapted to generate an air jet forming an air curtain. The dental handpiece can provide a reliable protection of the optical sensors by the air curtain and a high-quality three-dimensional image of an oral cavity during manipulation.

The utility model provides a flame extinguishing assembly of electrical equipment, and relates to the field of electrical equipment accessories, one surface of the flame extinguishing assembly is provided with an inner groove, the surface of the inner groove is provided with a flame extinguishing layer, and the opposite surface of the opening surface of the inner groove is provided with a through hole. The flame extinguishing assembly covers the electrical equipment and the wiring end of the cable through the inner groove, and the flame extinguishing layer is arranged in the inner groove, so that small-unit safety protection can be realized.

The invention relates to the technical field of comprehensive pipe galleries, and provides a comprehensive pipe gallery cable fire intelligent identification and prevention and control linkage system. In the system, fire simulation is carried out on a comprehensive pipe gallery cable through a cable fire simulation device; the fire behavior of the cable in the pipe gallery is monitored in real time through the image acquisition unit, and the acquired simulated fire image information is transmitted to the deployed fire identification model in real time for fire identification, so that the fire identification result of the fire identification model is judged through the deployed fire early warning model. A fire extinguishing instruction or an early warning instruction is sent out according to the judgment result; further, the fire extinguishing linkage device responds after receiving the fire extinguishing instruction, and a self-made fire resisting shutter with a flexible steel brush is firstly started to block a fire point area; and then a telescopic end of an electric push rod mounted at the top of the pipe rack quickly extends out to crush a temperature sensing glass ball of the suspension type fire extinguisher, so that quick linkage prevention and control of the pipe rack cable fire are realized.

A tube bracket for operatively engaging a tube with a peristaltic pump, the tube bracket comprising: a housing defining: a pump cavity for receiving a roller assembly of the peristaltic pump; and a tube path for receiving the tube, the tube path extending at least partially circumferentially around the pump cavity; and a part configured to receive a force such that, in use, a portion of the tube received in the tube path is biased against the roller assembly of the peristaltic pump in the pump cavity. A replaceable tube assembly comprising the tube bracket and a liquid distribution system comprising the tube assembly is also provided.

The invention relates to an energy storage cabinet, belongs to the technical field of batteries, and solves the problem of poor heat dissipation air fluidity of an energy storage cabinet in the prior art. The power distribution cabinet comprises a cabinet body, a forced ventilator and a battery unit, wherein the cabinet body comprises a plurality of mounting chambers; the battery unit is mounted in the mounting chamber; and the forced ventilator is mounted on the mounting chamber and is used for performing forced ventilation on the battery unit and improving air flow for ventilation and heat dissipation. According to the energy storage cabinet, the forced ventilator is arranged to perform forced ventilation on the battery units, so that the air flow for ventilation and heat dissipation is improved, the accumulation of heat generated by the battery units in the cabinet body is reduced, and the use safety of the energy storage cabinet is improved.

The present disclosure involves object recognition as a method of registration, using a stereoscopic camera on Augmented Reality (AR) glasses or an endoscope as the image capture technology. Exemplary objects include surgical tools, anatomical components or features, such as bone or cartilage, etc. By detecting just a portion of the object in the image data of the surgical scene, the present disclosure may register and track a portion of the patient's anatomy, such as the pelvis, the knee, etc. The present disclosure also optionally displays information on the AR glasses themselves, such as the entire pelvis, the femur, the tibia, etc. The present disclosure may include combinations of the foregoing features, and may eliminate the need for electromagnetic, inertial, or infrared stereoscopic tracking as the tracking technology.

A directed energy firefighting device is disclosed to extinguish fires with light, comprising a structured light generator and a directed energy controller for detecting and extinguishing fires remotely and at the speed of light. The device employs structured directed light energy capable of inducing atmospheric avalanche breakdown, generating at least one of sound waves and shockwaves, and dynamically forming space-time acoustic arrays for precise fire suppression. The system may integrate one or more energy sources, including gyrotrons, traveling wave tubes, klystrons, free electron lasers, and others, to produce diffraction-resistant and dynamically structured beams that penetrate through the atmospheric and non-metalic solid physical obstructions. Key features also may include safety mechanisms and artificial intelligence for real-time optimization. Other applications include power beaming, environmental monitoring, medicine, disaster response, and orbital debris clearing are also discussed. A key feature is the ability for arbitrary manipulation of light over large areas.

The present invention relates to the field of ring network box technology, and discloses an intelligent primary and secondary fusion ring network box, comprising an outer box and multiple inner boxes arranged in the outer box, the outer box's top cover, box side walls, box bottom tray and box back wall are all hollow structures, multiple exhaust fans are arranged on the inner plate of the box top cover, each exhaust fan is located above the corresponding inner box top air outlet, the cavity in the box top cover is divided into multiple separate upper ventilation cavities by multiple upper partition plates, each exhaust fan is connected upward to a different ventilation cavity, the cavity in the box back wall is divided into multiple separate rear ventilation cavities by a rear partition plate, the rear ventilation cavity in each box back wall is connected to the corresponding upper ventilation cavity in the box top cover to form a separate ventilation cavity, and a gas detection device is respectively arranged in each ventilation cavity. It has a block-type ventilation and heat dissipation system and a block-type detection system, has good waterproof, moisture-proof, anti-collision and anti-leakage effects, and optimizes the wiring layout.

There is provided a method comprising: detecting and / or segmenting a dental-related anatomical structure of a subject from a dental 3D imaging model, wherein the dental-related anatomical structure includes a target for injection of anesthesia by a dental syringe, accessing sequential frames of an oral cavity of a subject captured by an image sensor during a dental session of the subject, presenting within a GUI, at least one fused frame depicting a merger of the sequential frames and the segmentation of the dental-related anatomical structure of the subject registered to the sequential frames, wherein the dental-related anatomical structure is depicted on the sequential frames at a location indicating the target for injection, and dynamically updating the location of the dental-related anatomical structure depicted on the sequential frames according to dynamic adaptation of a pose of the image sensor.

The invention discloses a fire isolation device for an automobile charging station, which is characterized in that a fire monitoring device and an alarm device are arranged on a shed and are connected with a control terminal; the parking space bottom plates are transversely arranged on the shed base at intervals; lifting fireproof plates are arranged on the two longitudinal sides of the parking space bottom plate. A movable fireproof plate is arranged above the parking space bottom plate, the two transverse sides of the parking space bottom plate are movably shielded, and the movable fireproof plate is transversely and movably arranged on the shed base and is moved to the positions above the different parking space bottom plates for transverse and top shielding; lifting spraying rods are respectively arranged at four corners of the parking space bottom plate; the lifting fireproof plates, the movable fireproof plates and the lifting spraying rods are driven by the control terminal to work. When the electric automobile is on fire, the automobile can be isolated from the surrounding environment, oxygen entering can be reduced, and surrounding vehicles and people can be effectively protected against influences; by arranging the intelligent lifting spraying rods surrounding the parking space, the fire extinguishing system can be automatically started after the vehicle catches fire.

The invention relates to the technical field of new energy vehicle fire extinguishing, in particular to a new energy vehicle fire extinguishing device. Comprising a rectangular substrate; the substrate is basalt fiber cloth; the silica gel coating is coated on the surface of the basalt fiber cloth; the basalt woven water hose is of a tubular structure woven by basaltic fiber yarns, and the basalt woven water hose is fixed on the surface of the basaltic fiber cloth; a water inlet is at least formed in the short edge side of the base of the fiber woven water hose; a plurality of spraying holes; the spraying holes are formed in the surface of the basalt woven water bag at intervals. When a fire happens to the new energy vehicle, the new energy vehicle can be rapidly put into fire extinguishing, and the effects of rapidly and continuously cooling the burning vehicle and isolating air for fire extinguishing are achieved. Meanwhile, burning vehicles can be isolated, and fire is prevented from spreading to ignite other vehicles and combustible materials.