228results about "Dental tools" patented technology

Dental treatment unit (1) comprising: at least one removable handle (3); a removable instrument tray (4) for depositing instruments (5), wherein the instrument tray (4) has one or more claws (4a); a first locking mechanism (6) for locking / unlocking the handle (3) wherein, in the unlocked state, the handle (3) is removable from the dentist element (2); a second locking mechanism (7) for locking / unlocking the instrument tray (4) wherein, in the unlocked state, the instrument tray (4) including the claws (4a) is removable from the dentist element (2); a dentist element (2) which comprises a movable actuating element (8) which can actuate the first locking mechanism (6) in order to unlock the handle (3), and the same movable actuating element (8) can individually actuate the second unlocking mechanism (7) to unlock the instrument tray (4).

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.

A dental polishing cup includes a body that defines a cup cavity for holding a dental treatment material, with the cup having an opening at its distal end. A portion of the body includes an enhanced-flexibility band (EFB) situated circumferentially at a certain distance from the distal end, the EFB providing a lesser stiffness of the body than other portions of the body that are situated lengthwise immediately distally and immediately proximately of the EFB.

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.

Described herein is a system configured to automatically straighten a drill bit to within acceptable specifications. The drill bit straightening system described herein may include a drill bit holding assembly configured to hold the drill bit, one or more sensors configured to measure edge eccentricity of a shaft associated with the drill bit, a control unit configured to automatically control the straightening operation of the drill bit straightening system, and a drill bit pressure arm configured to straighten the drill bit by applying a force calculated based on one or more predictive models. The control unit may be configured to calculate the force(s) to be applied to the drill bit using the one or more predictive models.

The invention relates to a package for a drill. The package has a protecting portion arranged to house a cutting portion of said drill in a contact free manner and a locking portion arranged to hold a tool engaging portion of said drill. The locking portion and the protecting portion are movable relative each other and the drill is releasable from the locking portion by a movement of the locking portion relative the protecting portion. The protecting portion is allows the user to clamp the cutting portion of said drill by pressing the protecting portion and thereby establishing a contact between the protecting portion and the cutting portion of said drill. The invention also relates to a method and an arrangement.

The utility model discloses a disposable dental handpiece quick-connection electric connector, which comprises an adapter block, a terminal and an adapter seat, the adapter block is provided with a plurality of plugging holes and an electric mounting hole, and the plurality of plugging holes are used for plugging an air inlet pipe, a water inlet pipe and an atomizing pipe of a dental handpiece; the terminals are inserted into the electric mounting holes; the adapter seat is provided with an inserting groove for inserting a dental handpiece handle, the bottom of the inserting groove is provided with an air inlet groove, a water inlet groove, an atomizing groove and an electric inserting groove, the terminal is inserted into the electric inserting groove, and the adapter block is clamped at the bottom of the inserting groove. When the disposable dental handpiece is used, the terminal is inserted into the adapter block, then the adapter block is sleeved at the connecting end of the disposable dental handpiece, the adapter seat is inserted into the connecting end of the disposable dental handpiece, external electricity is conducted to a handpiece handle of the disposable dental handpiece, and the disposable dental handpiece does not need to be provided with a button battery.

A needle assembly for an endodontic apparatus, comprising: a head for removably coupling the needle assembly to a handpiece; and a needle extending from the head at a proximal end to a distal tip, a lumen of the needle extending to an opening at the tip to deliver fluid into a root canal, wherein the needle tip is positionable within a portion of the root canal; and the lumen has a diameter to enable fluid to be delivered at a delivery pressure in excess of a threshold cavitation pressure, wherein delivery of fluid through the needle at a delivery pressure in excess of a threshold cavitation pressure into the root canal generates a backflow in the root canal that facilitates forming of a cloud of inertial cavitation within the fluid in the root canal forward of the needle tip.

The retractor (1) for gums comprises: a handle (2) having a first end (3) and a second end (4) opposite each other; a first retractor element (5) associated with the first end (3); a second retractor element (6) associated with the second end (4); wherein each retractor element (5, 6) comprises: a proximal plate-shaped portion (7) extending along a longitudinal direction (B) inclined with respect to the main direction (A); a distal portion (10) comprising two projecting appendages (11) partly bounding a central recess (12) configured to be placed astride an alveolar ridge (C) of a patient; and wherein the retractor elements (5, 6) are mounted on the handle (2) in a specular manner and configured to be placed on a right side and a left side of the alveolar ridge (C), respectively.

A system for producing a powder-gas jet for performing a dental treatment, wherein the system is configured for being connected to a dentist chair by a connection, wherein the connection of the system to the dentist chair allows the system to be fed by a pressurized gas flow, the system comprising a compressed gas circuit configured to direct the pressurized gas flow into a powder-gas-mixing chamber to form a gas-powder mixture, the system being wherein the compressed gas circuit comprises at least a pressure regulation device having an inlet and an outlet, the regulation device being configured to provide the pressurized gas flow with a pressure at its outlet that is independent of the pressure of the gas flow at its inlet, when it is fed by the pressurized gas flow.

An ergonomic handling system and methods for hand-held instruments including a rotation member capable of coordinating with the instrument and shaped, sized and oriented to enhance the precision of the user's rotation of the instrument and reduce the strain on the user's wrist and hand. The system may also include a stabilization member as a stabilizing handle. Various shapes and features of the rotation member and stabilization member are described, as well as variations on how the rotation member and stabilization member are attached to or integrated within the system, including versions for retrofitting to existing instruments or that are already integrated to serve as the shaft for the instrument to be prefabricated.

Powder jet device for cleaning tooth surfaces by applying a powder-gas mixture, comprising a stationary unit (20) with a connection area for a mixing chamber (32) for producing the powder-gas mixture, a handpiece (100) with a nozzle device (102) for blasting the powder-gas mixture onto a tooth surface and a connecting unit (40) for connecting the handpiece (100) to the stationary unit (20), wherein the connecting unit (40) has at least one connecting guide (42) between the stationary unit (20) and the handpiece (100), and wherein a hose section (92) which can be shut off by elastic deformation is arranged in a powder-gas line (44) between the mixing chamber (32) and the nozzle device (102), characterized by that the connecting unit (40) is detachably connected to the stationary unit (20) and that the lockable hose section (92) is arranged in the detachable connection unit (40), wherein the connecting unit (40) has a housing (52) connected to the connecting guide (42), in which the lockable hose section (92) and a pinch element (94) are arranged as a pinch valve and that the connecting unit (40) has a first coupling area (64) for coupling to a corresponding second coupling area (34) of the stationary unit (20).

This disclosure relates to systems and methods for the electrokinetic (EKF) delivery of therapeutic and cosmetic agents to oral tissues, including but not limited to enamel, dentin, cementum, gingiva, and mucosa. More specifically, it relates to modular, low-current dental treatment platforms configured to deliver active agents across or into oral tissues using flexible electrodes, voltage ramping logic, and optionally insulating or stabilizing structures.

The utility model relates to the technical field of medical instruments, in particular to a special clamping and connecting mechanism for a dental handpiece diagnosis and treatment in-vitro simulation platform. According to the technical scheme, the dental handpiece comprises a platform body, a shaft fixing base and a dental handpiece body, a sliding base is arranged on the platform body in a front-back sliding mode, the shaft fixing base is arranged on the sliding base in a left-right sliding mode, and the dental handpiece body is arranged on the shaft fixing base through a positioning assembly. The positioning assembly adopts an upper and lower double-clamping fixing design, so that the clamping coaxiality of a machine needle of the dental handpiece body can be ensured, and the positioning assembly consists of a handpiece left fixing clamp, a special connector, a handpiece right fixing clamp, a shaft fixing top seat and a positioning shaft. According to the utility model, an upper and lower double-clamping structure is adopted, so that the stability of the dental handpiece body during high-speed operation is enhanced, and looseness is prevented; the positioning assembly is precise, the clamping coaxiality of the machine needle is ensured, and the experimental error is reduced; the specially-made connector is provided with a customizable arc surface and a customizable round concave part, so that the connector is adaptive to various mobile phone models.

The invention relates to the technical field of medical instruments, in particular to a medical broken instrument taking-out lantern ring device which comprises a lantern ring assembly, a connecting assembly, a sleeve assembly and a restorer, the lantern ring assembly comprises a lantern ring wire, the lantern ring wire is bent to form a lantern ring, and the lantern ring is used for taking a broken instrument in a sleeving mode; the connecting assembly is connected with the lantern ring assembly; the sleeve assembly is connected with the connecting assembly; the repositor is arranged at the tail part of the sleeve assembly, and the sleeve ring is tightened on the broken instrument by pushing the repositor through the sleeve assembly and the connecting assembly, so that the broken instrument is taken out by pulling. The index finger and the middle finger clamp the sleeve and abut against the finger support, the thumb abuts against the spring cover, the index finger and the middle finger extrude the finger support, the lantern ring can be shrunk to firmly sleeve a broken instrument, then the device is pulled outwards, the broken instrument is pulled out, the whole operation process is simple, and operation is convenient.

The utility model discloses a sand blasting ultrasonic periodontal therapeutic apparatus. The therapeutic apparatus integrates an ultrasonic cleaning function and a sand blasting cleaning function. The therapeutic apparatus comprises a system power supply, a control unit, a compressor, a generator, a water supply unit, a transducer, a sand blasting bottle, a sand blasting ultrasonic handle and the like. The system power supply provides power support for the whole therapeutic apparatus, and the control unit is responsible for coordinating the work of each component. The compressor provides high-pressure airflow for sand blasting, and the generator generates high-frequency pulse signals. The water supply unit provides cleaning liquid for the treatment process. And the transducer is arranged in the sand blasting ultrasonic handle, converts the high-frequency pulse electric signal into high-frequency vibration and transmits the high-frequency vibration to the ultrasonic working tip for cleaning. By means of the integrated design, synchronous or switching use of ultrasonic cleaning and sand blasting cleaning is achieved, the treatment efficiency is improved, the cleaning effect is enhanced, the operation process is simplified, and the comfort level of a patient is improved.

The invention provides a bur for preparing the lower gingival edge of a posterior tooth area, and relates to the technical field of dental bur, the bur comprises a working part and a handle part, the working part comprises a head part and a neck part, the neck part is connected between the head part and the handle part, and the head part comprises a round head part, a gradually-expanding part, an arc part and a gradually-shrinking part which are sequentially arranged from front to back; the joint of the arc part and the tapered part reaches the maximum diameter, the distance between the joint and the tail end of the head part is smaller than that between the joint and the front end of the head part, a cutting edge is arranged on the periphery of the divergent part and forms a cutting area, and the arc part and the tapered part are provided with smooth surfaces and form a guide area; the problems that in the prior art, a conventional machine needle does not have a targeted structural design for preparation of lower teeth of posterior gingiva, the operability is poor, and the trauma risk is high are solved.

The invention provides a handpiece (1) for treating teeth by means of a jet of abrasive powder mixed with air. The handpiece (1) is an elongated member extending along a handpiece axis (C). The handpiece (1) comprises a tubular connector (10) extending along the handpiece axis (C). The connector (10) is configured to be connected to a supply system (3) at a first axial side of the connector (10). Furthermore, the connector (10) has at least two ports at a second axial side of the connector (10), a first port (12) configured to be connected to a first supply line (11) of a nozzle device (2) and a second port (22) configured to be connected to a second supply line (21) of the nozzle device (2). The first port (12) and the second port (22) are arranged offset from each other along the handpiece axis (C). In addition, the connector (10) is a one-piece element, preferably a monolithic element, and made of metal.

The utility model relates to the technical field of tooth cleaning equipment, in particular to a dental subgingival spray head nozzle which comprises a spray head main body, a spray head air pipe and a nozzle, the nozzle body comprises a first groove and a second groove, the nozzle is provided with a first boss and a second boss, when the subgingival nozzle is installed, the nozzle body and the nozzle are in butt joint, at the moment, the nozzle body and the nozzle are installed through cooperation of the first groove and the first boss circular ring and cooperation of the second groove and the second boss circular ring, and then the nozzle is installed. Compared with a traditional mode of connecting through a third part, the material cost and the installation process are reduced, the spray head body and the nozzle can rotate at any angle, dead corners of tooth slits and periodontal pockets can be conveniently cleaned, all-directional treatment is facilitated, the spray head air pipe is used for communicating the spray head body with the nozzle, and the spray head is convenient to use. Therefore, the nozzle can spray the treatment sand powder and the liquid medium to the surfaces of the teeth by using the compressed gas.

An apparatus for processing an artificial tooth with a disinfection and sterilization function includes: a work bed unit in which a tooth mother material selected from a titanium material or a zirconia material is installed and fixed, and in which a wet-type die that processes a titanium material and a dry-type die that processes a zirconia material are separately disposed; a processing tool unit that has a driving spindle to which a processing tool is coupled at an end thereof and that processes the tooth mother material while moving close to or away from the tooth mother material; and a disinfection / sterilization module that is coupled in a detachable type in the work bed unit and can simultaneously reduce powder and perform disinfection.

The utility model relates to a dental drill device, a voltage regulator for a dental drill and a pneumatic switch of the voltage regulator. The pneumatic switch comprises a pneumatic valve and an infrared correlation sensor. The pneumatic valve and the infrared correlation sensor can be arranged on the pressure regulator body. A valve body of the pneumatic valve is connected with a high-pressure air source, and a telescopic push rod is arranged on the valve body. The push rod and the infrared correlation sensor are oppositely arranged, the infrared correlation sensor is provided with a transmitting end and a receiving end, and an infrared light path is formed between the transmitting end and the receiving end. When the push rod is driven by high-pressure gas output by the high-pressure gas source to be in an extension state, the push rod shields the infrared light path, and the pneumatic switch is turned on. When the push rod resets and is in a shortened state, the push rod is separated from the infrared light path, and the pneumatic switch is turned off. The pneumatic valve has the beneficial effects that the solid structural part pneumatic valve made of hard materials is adopted for bearing driving force of high-pressure gas, and the pneumatic valve is high in bearing capacity, not prone to being damaged and long in service life.

A dental implant removal tool (10, 110) is provided for removing a broken dental implant (20) from a jawbone. The tool (10, 110) includes an implant gripper (14, 114) and an implant-hole engager (40). The implant gripper (14, 114) includes a core (16) defining a core non-circular interface surface (32); a collet (22) coupled to the core (16) and shaped so as to at least partially accept a lateral external surface (26) of a neck (28) of the broken dental implant (20); and a sleeve (34, 134) longitudinally moveable with respect to the core (16) and the collet (22) so as to tighten a grip of the collet (22) on the lateral external surface (26) of the neck (28). The implant-hole engager (40) is shaped so as to define a proximal head (42), which defines a proximal-head non-circular interface surface (44) couplable to the core non-circular interface surface (32); and a distal body (46) defining a distal-body external thread (48) that is couplable to a hole (50) within the broken dental implant (20). Other embodiments are also described.

The utility model provides a visual periodontal therapeutic apparatus, which mainly comprises a handle, a working part fixed at one end of the handle, an optical lens arranged at the outlet position of a chute at the tail end of the working part in a sliding manner, and a bendable adjusting rod and an adjusting roller which are arranged in the chute. The optical lens is connected with the display device through a cable, so that periodontal internal conditions of a patient can be visually observed; one end of the bendable adjusting rod is connected with the optical lens, and the other end is provided with a rack structure; the adjusting roller is rotatably arranged on the handle and meshed with the rack structure, and part of the adjusting roller is exposed out of the surface of the handle to facilitate shifting. By shifting the adjusting roller, the bendable adjusting rod slides in the sliding groove to drive the optical lens to slide, so that the distance between the optical lens and the working tip of the working part is adjusted. The visual periodontal therapeutic apparatus is simple and convenient to operate, flexible to adjust and convenient for periodontal treatment.

The utility model belongs to the technical field of medical instruments, and particularly relates to a dental drill guider for implantation, which comprises a handle and a guide sleeve, one end of the handle is provided with a connecting shaft which is bent deviating from the axis, and the guide sleeve is vertically arranged on the connecting shaft. A guide through hole is axially formed in the guide sleeve, an open groove communicated with the guide through hole is axially formed in the side wall of the guide sleeve, and a stop block with a narrowed groove opening is arranged on at least one part of the groove wall of the open groove. The open groove is axially formed in the side wall of the guide sleeve, so that a neck forming dental drill or a machine tapping dental drill can transversely enter the guide sleeve from the side of the guide sleeve, and the situation that the diameter of a drill bit of the dental drill is larger than the diameter of a rotating shaft and cannot be installed in the sleeve is avoided; and the baffle block is additionally arranged on the side wall of the open groove to reduce the size of part of the groove opening, so that the surrounding limitation of the inner wall of the guide sleeve on the dental drill is increased, and the dental drill can stably rotate in the sleeve.

This utility model discloses a telescopic working tip mechanism and a handle, comprising: a laser handle, a rotating column, an internal telescopic threaded column, and a working tip assembly. The laser handle consists of a telescopic working head, a rear connecting end, an annular groove, and a hollow slide rod. The telescopic working head is fixedly connected to the front end of the laser handle. An annular groove is formed on the top of the telescopic working head, and a hollow slide rod is fixedly connected to the top of the telescopic working head. The rotating column consists of anti-slip textures, a bottom rotating groove, and internal threads. Anti-slip textures are provided on the outer surface of the rotating column, and a groove is formed inside the rotating column, with internal threads on the inner wall of the groove. This device employs a telescopic mechanism, which can drive the laser working tip assembly to move horizontally. The telescopic mechanism is also marked to facilitate medical personnel in measuring the movement distance of the working tip assembly.

A device (1) to allow a cleaning of a nozzle element (10) of a dental tool, wherein the nozzle element (10) ejects a powder-gas-mixture, being transported by a first channel (11) of the nozzle element (10), and a fluid, being transported by a second channel (12) of the nozzle element (10), wherein the nozzle element (10) is configured to eject the powder-gas-mixture and the fluid such that the ejected fluid surrounds the ejected powder-gas-mixture, the device (1) comprising:-an interface section (22) configured to connect the device (1) to the nozzle element (10) of the dental tool and-an entrance section (21) configured to introduce a cleaning medium into the device (1), wherein the device (1) is configured to guide the cleaning medium into the first channel (11) and the second channel (12) of the nozzle element (10) to clean the first channel (11) and the second channel (12).

Implant drill (1), in particular dental implant drill, comprising a mounting area (10) and a machining area (30), wherein the implant drill (1) extends in a longitudinal direction (L), wherein the distal end regions in the longitudinal direction (L) of the implant drill (1) are formed in particular by the mounting area (10) and the machining area (30), wherein the processing area (30) has at least two processing structures (32), wherein the processing area (30) is designed in such a way as to be characterized by the processing structures (32), that it can remove bone material during a positive rotation around the longitudinal direction (L) and that it can compact bone material during a negative rotation around the longitudinal direction (L), wherein the machining area (30) is limited in the longitudinal direction (L) by a stop flange (60), wherein the processing area (30) has different processing sections (B1, B2, B3, B4) along the longitudinal direction (L), wherein the implant drill (1) has at least three processing sections (B1, B2, B3, B4), wherein the machining sections (B1, B2, B3, B4) form different outer contour slope angles (α1, α3) with the longitudinal direction (L) or are cylindrical around the longitudinal direction (L), wherein the implant drill (1), in particular the machining area (30), has a transition machining section (B3), wherein the transition machining section (B3) forms an outer contour slope angle (α3) with the longitudinal direction (L), and wherein the outer contour slope angle (α3) of the transition machining section (B3) is in a range of 7° to 15°.

The utility model relates to the technical field of bone fetchers, in particular to a bone fetcher for tooth implantation, which comprises a connecting rod, a clamping groove and a stop guide component, the clamping groove is arranged on the inner side of the connecting rod, the stop guide component is fixedly connected with the tail end of the lower side of the connecting rod and comprises a stop plate, and a clamping hole is arranged on the inner side of the stop plate. The guide limiting assembly comprises a clamping pin, a limiting clamping ring is fixedly connected to the tail end of the lower side of the clamping pin, a rubber ring is arranged on the inner side of the limiting clamping ring, a fixing rod is fixedly connected to the outer side of the lower end of the limiting clamping ring, and a guide limiting ring is fixedly connected to the tail end of the lower side of the fixing rod. According to the bone meal collecting and storing device, the device can adapt to work at different angles, the phenomenon of deviation and inclination of the stopping ring is avoided, the bone meal collecting and storing effect and the rotating performance of a drill bit are guaranteed, and therefore the efficiency and safety of a dental implant operation are improved.

A wall portion of a dental handpiece accommodates a cam pin 111 with a cam hole 21 or a cam groove 211 designed so that the size of the cam hole 21 or the cam groove 211 is larger than the size of the cam pin 111 in each of the axial direction and the circumferential direction of a vibration cylinder 20. Therefore, a rotating member 110 is rotationally driven, and a vibrating force acts on the vibration cylinder 20 in the axial direction through the cam pin 111. In this manner, the vibration cylinder 20 vibrates or reciprocates in the axial direction with respect to a second cylindrical member 12, and vibrates or reciprocates in the circumferential direction. In addition, a needle portion 42 protruding from a through-hole 202 of the vibration cylinder 20 vibrates while being bent.