JP2016534786A5 - Equipment for endodontic treatment - Google Patents

Description

The present invention relates to equipment for endodontic, and more particularly to equipment for treating the root canal with one or more inclined fluid jet (angled fluid jet).

Claims (48)

A tip small enough to be inserted into the pulp chamber of the tooth,
A fluid source having a lumen defining a flow parameter including a non-axial flow direction of the nozzle fluid flowing through the lumen according to the shape of the lumen such that the emitted fluid to be emitted generates a beam including a plurality of ejected fluid jets. With connected nozzle,
Device for endodontic treatment. The flow parameters sufficiently increase root canal fluid rotation to remove tissue from the root canal;
The apparatus of claim 1. The flow parameter is sufficient to remove tissue from the root canal including the apex of the root canal;
The apparatus of claim 2 . The flow parameter prevents removal of tissue in the apical direction of the root canal apex;
The apparatus of claim 1. The plurality of ejected fluid jets are at an angle with respect to a vertical axis of the nozzle;
The apparatus of claim 1. The flow parameters enhance the rotational spiral flow pattern of root canal fluid in the root canal;
The apparatus of claim 2 . Before SL nozzle fluid is circulated along the lumen wall,
The outlet point of the nozzle fluid is disposed on the lumen wall at the outlet opening of the nozzle;
The apparatus of claim 1. The nozzle includes an inner cone and an outer cone defining a lumen through which the nozzle fluid flows.
The apparatus of claim 1. Before SL nozzle has one or more movable portions that are configured to adjust the inner shape of the lumen by moving,
The apparatus of claim 1. The discharge fluid comprises at least one fluid jet;
The angle of the at least one fluid ejection does not intersect the vertical axis of the nozzle;
The apparatus of claim 1. The nozzle fluid includes a liquid and at least one of gas and polishing powder.
The apparatus of claim 1. The density of the abrasive powder particles is higher than the density of the other particles constituting the nozzle fluid,
The apparatus of claim 11 . The polishing powder is a salt that melts after polishing of the root canal wall,
The apparatus according to claim 12 . With one or more inlets connected to a suction source and with which root canal fluid and residue are collected from the root canal;
The apparatus of claim 1. The diameter of the beam is about 10% or less of the diameter of the root canal entrance;
The apparatus of claim 1. Before SL nozzle is provided with a rotary element disposed inside Roh Zururumen,
The rotating element is operable to impart motion to the nozzle fluid such that the root canal fluid flows spirally through the root canal after the nozzle fluid passing through the lumen is discharged from the lumen.
The apparatus of claim 1 . The rotating element is a inlet coupled to the input pipeline comprises at least a portion flows inlet supplied nozzle fluid to said nozzle,
The apparatus of claim 16 . The rotating element comprises a plurality of blades;
The apparatus of claim 16 . Before SL nozzle is disposed inside the nozzle lumen, by moving relative to the nozzle lumen comprises a configured inner cone to change the flow parameters,
The apparatus of claim 1 . The inner cone is movable in the longitudinal direction and is expandable in the radial direction simultaneously or separately,
The apparatus of claim 19. The movable portion includes a turbine configured to rotate the cone of the nozzle.
The apparatus according to claim 9. Pressurized gas comprises one or more chambers containing fluids, and a material comprising one or more of the abrasive material,
The apparatus of claim 1 . With two or more chambers,
Each chamber is connected to a nozzle lumen by a pipe;
The beam is generated at least in part by the material;
The material flowing from each chamber mixes in the nozzle lumen.
The apparatus of claim 22 . A powder cartridge connected between the chamber and the nozzle lumen;
The powder cartridge includes an inner cylinder formed with holes of various sizes for filtering the components in the powder cartridge.
24. The device of claim 23. The nozzle includes at least one internal channel disposed within the lumen and transmitting a fluid flow;
The apparatus of claim 1. The at least one internal channel is helically formed in the nozzle lumen;
26. The device of claim 25. The at least one channel is a plurality of channels;
Each channel carries a separate fluid flow and includes an outlet opening;
The separate fluid streams exiting the outlet opening mix in the nozzle;
26. The device of claim 25. The movable portion includes one or more internal channels disposed within the lumen;
The apparatus according to claim 9. The shape of the beam includes at least a portion in which the size of the cross-sectional shape of the beam increases according to the distance from the tip.
The apparatus of claim 1. The beam is fan-shaped,
The apparatus of claim 1. The fluid includes air and liquid;
The air and liquid mix in the nozzle to form an aerosol;
The apparatus of claim 1. The maximum range of the outlet opening at the tip of the nozzle intersecting the vertical axis of the nozzle is in the range between 0.3 and 2 mm;
The apparatus of claim 1. The maximum range is about 0.8 mm;
33. The apparatus according to claim 32. A plurality of channels including openings in the lumen and supplying one or more of fluid, gas and abrasive material to the lumen;
At least one of the channels is connected to the fluid source;
The apparatus of claim 1. The abrasive powder is a crystallite, silicon powder, garnet powder, aluminum powder, magnesium powder, ceramic powder, plastic powder, composite, gold sand, shell powder, cement powder, salt, ground seed, Diamond powder, carbide powder, glass powder, iron powder, iron oxide powder, steel powder, aluminum oxide powder, baking soda, acrylic powder, granite powder, fruit powder, bark powder, plant seed Including one or more of powder, sea sand powder, synthetic diamond powder, stone powder, marble powder, copper powder, silica powder,
The apparatus of claim 11. The ratio of the gas to the fluid is about 75%: 25%.
The apparatus of claim 11. The gas to fluid ratio is about 90%: 10%.
The apparatus of claim 11. The ratio of the gas to the fluid is about 80%: 20%.
The apparatus of claim 11. The gas to fluid ratio is about 98%: 2%.
The apparatus of claim 11. The ratio of the gas to the fluid is about 30%: 70%.
The apparatus of claim 11. The flow parameters are: flow velocity, flow pressure, flow rate, angle of one or more fluid jets exiting the nozzle, shape of the jet beam exiting the nozzle, flow pattern within the nozzle, fluid circulation rate. Including one or more,
The apparatus of claim 1. The release fluid wears a layer of dentin tissue from at least a portion of the root canal wall;
The apparatus of claim 1. The nozzle fluid includes abrasive powder that applies a radially outward force to the root canal wall,
The apparatus of claim 2. The root canal fluid rotating in the root canal does not directly hit the root apex of the root canal,
The apparatus of claim 2. Comprising a suction source controlled to maintain one or more of root canal fluid flow along the root canal wall and root canal fluid flow at the root canal apex;
The apparatus of claim 2. The root canal comprises at least one constricted portion;
The root canal fluid rotating within the root canal flows through the narrowed portion along a root canal wall;
The apparatus of claim 2. The root canal comprises at least one wide portion;
The root canal fluid rotating within the root canal flows through the wide portion along a root canal wall;
The apparatus of claim 2. The root canal comprises at least one of a curve and a branch;
The root canal fluid rotating within the root canal flows through at least one of the bends and branches;
The apparatus of claim 2.