1253results about "Boring tools" patented technology

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.

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.

A dual interface screw element includes a screw body (10) with an external thread (12) and two distinct engagement interfaces (13, 15), one for inserting the screw and another for removing it. The removal engagement interface (15) includes a reverse thread (16) located in an axial recess (36) such that a complementary reverse-threaded tool (24) applying torque to extract the screw body is tightened against the second engagement interface. The screw is part of a system including an extraction tool (24) and an insertion tool (18). Applications include medical applications such as dental implants and bone screws, domestic applications such as headless wall mounting anchors, and a wide range of other industrial and aerospace applications.

Embodiments include thermal covers to help drain fluids away from dangerous environments, e.g., in an engine bay in a vehicle. Thermal covers can comprise a hat portion extending between two distal edges, support straps beneath the hat portion and extending between the distal edges, and thermal insulation disposed between the hat portion and the support straps. These can be coupled to the floor so as to allow space below for the flow of fluid. This allows the fluid to flow to holes in the floor of the engine bay, allowing the fluid (which could be flammable) to be drained away from potentially dangerous environments in the engine bay which may involve high temperatures.

The present invention relates to methods for curing polymeric dental appliances comprised of partially cured photopolymerizable components, especially for additively manufactured denture base and artificial tooth components utilized in the production of full and partial dental prostheses. In particular, the invention relates to methods of utilizing a curing apparatus having one or more controllable heating sources and one or more controllable LED light sources to achieve specific preheating and light curing conditions for more effectively converting partially cured photopolymerizable components from a partially cured state to a final cured state.

A waterproof oral irrigator including an oral irrigator housing which is provided with a sliding recess on an outer wall thereof; a push switch slidably fitted with the sliding recess and provided with a magnetic element; and a control circuit board arranged inside the oral irrigator housing and being provided with a plurality of Hall elements. A plurality of Hall elements are sequentially disposed at intervals along a sliding direction of a push switch. When the push switch slides along the sliding recess, the magnetic element can be driven to move to positions sensed by the plurality of Hall elements in sequence. Since the outer wall of the oral irrigator housing is provided with the sliding recess, and the sliding recess is not communicated with the interior of the oral irrigator, so that the waterproof performance of the oral irrigator can be greatly improved.

Provided is an air turbine type dental handpiece capable of reducing a generated sound volume. An air turbine 2 is rotationally driven by compressed air that is supplied to the internal space of a housing 11, and the treatment such as cutting of the tooth of a patient is performed by a cutting tool 4. A blade 22 is a toroidal type blade (a blade having a shape in which a first blade portion 221 and a second blade portion 222 are continuous with each other at a bridge portion 224). Therefore, the generation of a large eddy current around the air turbine 2 is suppressed, and the generated sound volume is reduced.

An apparatus for treating a tooth or gum tissue is disclosed. The apparatus can include a tooth cap for supporting a treatment device during a treatment procedure. The tooth cap can comprise a platform to support the treatment device. The platform can include an access port to provide a portion of the treatment device with access to a treatment region of the tooth or gum tissue. The tooth cap can also include a wall coupled with and angled relative to the platform, the wall configured to be attached to the tooth or gum tissue during treatment.

The utility model discloses a new energy parking stall fire intelligent three-dimensional fire control fire extinguishing device, which comprises an upper periphery fire control fire extinguishing piece, the upper periphery fire control fire extinguishing piece comprises an upper periphery fireproof supporting piece, a fireproof covering piece and an upper periphery fireproof power piece, the upper periphery fireproof supporting piece provides support above a parking stall, the fireproof covering piece is arranged on the upper periphery fireproof supporting piece, and the upper periphery fireproof power piece is arranged on the upper periphery fireproof supporting piece. According to the fire situation of the new energy vehicle on the parking space, the new energy vehicle is driven by the connected upper peripheral fireproof power piece to be unfolded or folded; the bottom fire control and extinguishing part comprises a bottom jet fire extinguishing part, a circumferential jet fire control part and a liquid supply part, the bottom jet fire extinguishing part is arranged on the parking space, the circumferential jet fire control part is arranged on the circumferential fire control and extinguishing part, and the liquid supply part is in through connection with the bottom jet fire extinguishing part; provided is an intelligent fire identification piece. The system is reasonable in structural design, high in automation degree, high in fire control and extinguishing efficiency and capable of effectively restraining fire spreading and effectively reducing harm of dense smoke of fire to personnel in the parking lot.

A method is provided for assessing and categorizing temporomandibular disorder (TMD). In some cases, the method can include receiving data representing a potential for TMD of a patient. The method can include processing the data to identify an indicator of the TMD. The method can include identifying a treatment recommendation based on the indicator of the TMD. The method can include providing the treatment recommendation for display on a user device.

The invention provides an automobile fireproof cover. The automobile fireproof cover comprises a top plate; the bottom supporting frame is located below the top plate and is in a hollow ring shape; the upper end of the cover cloth is connected with the edge of the top plate, and the lower end of the cover cloth is connected with the bottom support frame to form a closed space; the telescopic columns are multi-stage sleeves and do telescopic motion in the vertical direction, the upper ends of the telescopic columns are fixedly connected with the top plate, and the lower ends of the telescopic columns are fixedly connected with the bottom supporting frame; the telescopic control assembly is connected with the telescopic columns, controls the telescopic columns to stretch out and draw back synchronously, and drives the cover cloth and the bottom supporting frame to be unfolded downwards or folded upwards relative to the top plate for storage. A stable closed space is formed through automatic unfolding of a pneumatic mechanical structure, the functions of active cooling and smoke discharging are integrated while a fire source is efficiently isolated and explosion spreading is prevented, the safety of rescue workers can be guaranteed, the fire extinguishing efficiency is improved, and storage is convenient.

The utility model relates to the technical field of gas detection, in particular to a pulverized coal bunker CO gas analysis device which comprises a sampling probe (1), a cleaning structure is arranged on the sampling probe (1); the sampling probe (1) is connected with a detection module; the cleaning structure is used for removing smoke dust, impurities and condensates attached to the surface of the probe and components in the probe by applying reverse airflow into the sampling probe, so that the measurement accuracy is kept, the service life of equipment is prolonged, the maintenance workload is reduced, the sampling flow stability is ensured, and the system reliability is enhanced; the detection module can be used for removing water and possibly residual small particles in the sampled flue gas as well as tiny liquid drops or condensates possibly generated in the dehumidification process; the accurate detection of the CO gas concentration by the device can be effectively realized.

Aspects of the present disclosure relate to systems, devices and methods for performing a surgical step or surgical procedure with visual guidance using an optical head mounted display. Aspects of the present disclosure relate to systems, devices and methods for displaying, placing, fitting, sizing, selecting, aligning, moving a virtual implant on a physical anatomic structure of a patient and, optionally, modifying or changing the displaying, placing, fitting, sizing, selecting, aligning, moving, for example based on kinematic information.

The present invention relates to a fire suppression arrangement for suppressing a fire on a vehicle in a fire containment zone. The fire suppression arrangement includes a base defining a platform onto which a vehicle can be driven. The base is transportable and mobile. The base includes wet compartments for storage of fire extinguishing agent. An erectable enclosure is dispersed around the platform. The erectable enclosure is capable of moving between a stowed condition in which a vehicle is movable onto the base and an enclosing condition in which the erectable enclosure contains fire extinguishing agent around the vehicle to put out a vehicle fire in use. A fire extinguishing agent distribution system is also provided for dispensing fire extinguishing agent from the wet compartments onto the vehicle in the event of a fire. The fire extinguishing agent can also be drained and recycled.

A dental machining system for manufacturing a dental restoration, including: a dental tool machine which includes: a dental blank holder for holding one or more dental blanks relatively movable with respect to one or more dental tools; one or more driving units each for movably holding at least one dental tool for machining the dental blanks; a determination unit for determining the type of each dental blank; an adjustment device for allowing the user to adjust the machining time, a level of quality of the dental restoration, and a level of security of the dental restoration and dental tool against machining damage. The system further includes a control unit which executes a trained artificial intelligence algorithm adapted to generate process parameters for the machining.

The present specification discloses a composition, a fire extinguishing device, and a use thereof. The composition and the fire extinguishing device can be applied to a product with a possibility of abnormal heat generation, ignition, and / or explosion during drive, storage, and / or maintenance processes to effectively respond to the heat generation, ignition, and explosion. The composition and the fire extinguishing device can be applied, for example, to an article comprising a plurality of the products to respond to abnormal heat generation, explosion, and / or ignition occurring in any one product, and can prevent propagation of such heat generation, explosion, and / or ignition to other adjacent products. The composition and the fire extinguishing device also have excellent handleability and storage stability. The present specification also discloses a use of the composition and the fire extinguishing device.

The present specification discloses a composition, a fire extinguishing device, and a use thereof. The composition and the fire extinguishing device can be applied to a product with a possibility of abnormal heat generation, ignition, and / or explosion during drive, storage, and / or maintenance processes to effectively respond to the heat generation, ignition, and explosion. The composition and the fire extinguishing device can be applied, for example, to an article comprising a plurality of the products to respond to abnormal heat generation, explosion, and / or ignition occurring in any one product, and can prevent propagation of such heat generation, explosion, and / or ignition to other adjacent products. The composition and the fire extinguishing device also have excellent handleability and storage stability. The present specification also discloses a use of the composition and the fire extinguishing device.

The utility model provides an indicating light emitting device of a laser oral cavity therapeutic instrument. The indicating light emitting device comprises a laser emitting assembly, a therapeutic laser assembly, a lens fixing assembly and a visual laser assembly. The laser emitting assembly comprises a laser transmission channel, a first laser reflecting mirror and a laser emitting tip; the treatment laser assembly faces the laser transmission channel; the visual laser assembly comprises a visual laser chip, a second laser reflector and a semi-reflecting and semi-transmitting mirror. Visual laser is connected to an existing light path composed of a laser transmission channel, a first laser reflecting mirror and a laser emitting tip by means of a second laser reflecting mirror and a semi-reflecting and semi-transmitting mirror, so that treatment laser and the visual laser are output through the same light path, and therefore the visual laser is provided for assisting in observing a treatment laser drop point. And an operator can conveniently and accurately control the drop point position of the treatment laser.

The utility model relates to the technical field of commodity shelves and discloses a stacked metal commodity shelf which comprises a base, a top plate, a plurality of vertically-arranged supporting rods and a plurality of partition plates, the two ends of each supporting rod are fixed to the upper surface of the base and the lower surface of the top plate respectively, and the partition plates are located among all the supporting rods. The partition plate is fixedly connected with the supporting rod; the monitoring module is used for monitoring a fire disaster, and the monitoring module is arranged on one of the partition plates; the cross section of the fireproof curtain is of a rectangular-ambulatory-plane structure, the top of the fireproof curtain is fixed to the lower surface of the top plate, and all the supporting rods and the partition plates are located in the fireproof curtain; and the control assembly is used for controlling descending of the fireproof curtain. According to the storage rack, fire disasters can be accurately monitored in time, fire behaviors are rapidly and effectively prevented from spreading to other storage racks by arranging the fireproof curtains and the protection assemblies, the risk of fire diffusion is reduced, and the response speed and reliability of emergency situations are improved.

A root canal cleaning device according to one embodiment of the present invention comprises: an acoustic pressure generating unit that operates in response to the electric input; a handpiece housing that accommodates the acoustic pressure generating unit; a coolant passage formed inside the handpiece housing; a coolant inlet that communicates with the coolant passage formed inside the handpiece housing; and a cleaning solution nozzle formed in the handpiece housing, wherein an ultrasonic acoustic pressure applied to a coolant is transmitted to a cleaning solution by the acoustic pressure generating unit, and vapor bubbles are generated in the cleaning solution by the transmitted ultrasonic acoustic pressure, and target contaminants inside the tooth including the root canal is removed by the action of the vapor bubbles and the cleaning solution on a tooth being treated. The cleaning solution includes a degassed liquid.

The utility model discloses an electric dressing basket fire-fighting system for a coal mine, which is characterized in that a ceiling of a dressing room is divided into a plurality of protection units, a plurality of liftable dressing baskets and a fire-fighting device are hung in each protection unit, and the dressing baskets in each protection unit are adjacently arranged; the fire-fighting device is hung on the ceiling in the middle of each protection unit, the fire-fighting device comprises a fire detector and an automatic fire extinguisher, a lifting driving device is fixed on the ceiling above each dressing hanging basket, a control host is arranged in the dressing room, and the lifting driving device, the fire detector and the automatic fire extinguisher are all electrically connected with the control host; the ceiling of the changing room is further provided with a flame-retardant top plate, and the bottoms of the multiple changing hanging baskets are matched with the flame-retardant top plate to form a changing room ceiling. A fire is found in time through the fire detector, the control host is linked with the fire detector and the clothes changing hanging basket to enable the clothes changing hanging basket to descend, meanwhile, a fire extinguisher in the protection unit is linked to conduct automatic fire extinguishing, and fire spreading is effectively prevented.

The invention provides a laser oral cavity therapeutic instrument which comprises a therapeutic instrument body, a laser generation assembly, a water vapor nozzle assembly and a gas-liquid-electricity external connection assembly, the laser generation assembly, the water vapor nozzle assembly and the gas-liquid-electricity external connection assembly are arranged in the therapeutic instrument body, and the laser generation assembly is used for generating a high-energy laser beam; the oral cavity treatment is performed through the high-energy laser beam; the water vapor spray head assembly is used for forming water vapor spray so as to cooperatively clean or cool the oral cavity; the gas-liquid-electricity external connection assembly is used for connecting external gas, water and electric signals so as to ensure normal work of the laser oral cavity therapeutic instrument. The laser generating assembly, the steam spray head assembly and the gas-liquid-electric external connection assembly are arranged in the therapeutic instrument body, the laser generating and emitting function and the steam mixing and cooling function are integrated into one structure, the operation requirements of basic decontamination and sterilization, soft and hard tissue cutting, bone tissue removal and the like are met, and meanwhile the therapeutic instrument has the advantages of being high in integration degree, reasonable in structure, convenient to operate and the like.

The utility model relates to a vehicle fire extinguishing cover which comprises a hanging frame located over a parking space and a fire extinguishing cover body installed in the hanging frame, a plurality of sleeve rods extend out of the bottom of the hanging frame, a plurality of rope penetrating holes are formed in the outer ring of the fire extinguishing cover body, the sleeve rods and the rope penetrating holes are bound through ropes, and a fixing rope is connected to the fire extinguishing cover body. The fixing rope is used for fixing the fire extinguishing cover above a parking space, and one section of the fixing rope is connected with a rope cutter. According to the vehicle fire extinguishing cover structure, the fire extinguishing cover can be lowered between two vehicles when a new energy vehicle has a fire, and fire spreading is avoided.

The present invention provides a model for preoperative verification of a dental treatment plan, a verification tool, a method for manufacturing a verification model, a verification system, and a verification program. The model of the present invention has a model body, a hole specification portion, and a target model portion. A space is formed between the hole specification portion and the target model portion, and the space enables visual confirmation of a range in which a front end of a surgical tool can reach from the hole specification portion toward the target model portion, and enables visual confirmation of a range in which the front end of the surgical tool can reach from the hole specification portion in a tooth arrangement direction and a direction intersecting the tooth arrangement direction.

A system for monitoring anxiety of an individual includes a chair having at least a seat and a back, a base supporting the chair, and a first sensor disposed in at least one of the seat or the back. The first sensor is configured to, without being in direct contact with the individual, continuously obtain data related to a first physical characteristic from the individual seated in the chair. The first physical characteristic is one of respiration or pulse rate. The system further includes a display and a controller. The controller is configured to receive, in real-time, the data related to the first physical characteristic from the first sensor and compile a first metric from the received data. The first metric is configured to visually represent a change in the first physical characteristic. The controller is further configured to output the first metric to the display in realtime.

The protection structure comprises a main body and a shielding assembly, a first air inlet is formed in the top wall of the main body, the shielding assembly comprises a cover plate and a supporting piece, the cover plate is supported above the top wall through the supporting piece and is provided with a second air inlet staggered with the first air inlet, and the first air inlet is communicated with the second air inlet. And a drainage mechanism is further arranged on the main body, specifically, a drainage ditch surrounding the periphery of the first air inlet is arranged, falling rainwater is shielded by the cover plate, rainwater falling from the second air inlet is collected into the drainage ditch on the upper side of the top wall to be drained, it is avoided that the rainwater falls into the well through the first air inlet, and the rainproof effect of protecting equipment in the well is achieved.

The working tooth to be treated is prepared in the patient's mouth. A guide device is fastened onto the tooth to fix its position. A cutting device inserted into the guide device is moved, so that the flange of the cutting device slides along a slot extending within the guide device and makes contact with it, and the tool of the cutting device removes a portion of the working tooth, thereby forming the prepared surface of the working tooth. The tool includes a portion with a curved profile in the plane containing the axis of the tool, so that the working tooth is rounded by its tool portion. The cutting device and guide device are removed from the patient's mouth. A dental alignment device is fastened onto multiple teeth, including the working tooth, so that the prepared surface and the dental alignment device face each other.

A self supporting board for use in fire protection, at least part of the board being formed from material comprising in wt%: inorganic fibres 35 to 70% silica 30 to 65% 5 binder 0 to 10%.

The utility model discloses a fireproof roll, and belongs to the technical field of fireproof rolls, the fireproof roll comprises a wall body, the front side of the wall body is fixedly provided with a rotating shaft box, the interior of the rotating shaft box is rotatably connected with a rotating shaft through a bearing seat, and the side wall of the rotating shaft box is fixedly provided with a driving unit for driving the rotating shaft to rotate; through cooperative work of the temperature sensor and the smoke sensor, when the temperature sensor detects that the environment temperature exceeds a set threshold value and the smoke sensor detects that the smoke concentration exceeds a safety threshold value, the temperature sensor and the smoke sensor can send out a fire signal to the controller; after receiving a signal, the controller controls the driving motor to start, and the rotating shaft rotates under the driving action of the driving motor, so that the fireproof roll main body is automatically unfolded, that is, the fireproof roll can be quickly and automatically unfolded in emergency situations such as a fire disaster through the cooperation of the components, and the use efficiency and the safety of the fireproof roll are improved.