29 results about "Gutta percha - point" patented technology

The present application relates to the instrument and method of filling root canal, specifically relates to a kind of self-expanding root canal filling instrument combination based on the concept of root apex biological closure and its using method, for solving the volume shrinkage caused by the existing root canal sealant and gutta-percha point filling after filling, leading to root canal filling failure, and the toxic and harmful ingredients contained in root canal sealant and gutta-percha point itself can bring potential harm to the patient The deficiency, the self-expanding root canal filling instrument combination includes self-expanding composite bioceramic root canal sealant and root canal plug tip;The self-expanding composite bioceramic root canal sealant is composed of liquid agent, powder;The liquid agent is distilled water or physiological saline;The powder is divided into A component, B component;The material of the root canal plug tip is medical pure titanium or titanium alloy.

The application provides a multifunctional root canal treatment measuring table, and relates to the technical field of root canal treatment measurement. The multifunctional root canal treatment measuring table comprises a main body mechanism, a root canal measuring table is fixedly arranged at the front end of the main body mechanism, a gutta-percha point cutting mechanism is fixedly arranged at the middle position of the main body mechanism, a soaking disinfection mechanism is fixedly arranged at the rear end of the main body mechanism, a root canal file cleaning mechanism is clamped at the upper end of one side of the soaking disinfection mechanism, the root canal file cleaning mechanism comprises a connecting seat, an ejection column is fixedly arranged at the middle position of the upper surface of the connecting seat, connecting rods are fixedly arranged on the two sides of the upper surface of the connecting seat, and cleaning tables are connected to the upper ends of the two connecting rods through springs. The root canal measurement, gutta-percha point cutting, soaking disinfection and root canal file cleaning functions are integrated, the problems of instrument scattering, complicated operation and inconvenience in use in the prior art are effectively solved, and the treatment efficiency and operation safety are significantly improved.

The utility model discloses a gutta percha point trimming, measuring and disinfecting integrated tool, which relates to the technical field of tooth restoration auxiliary devices, and comprises a base body and a trimming component, a measuring part and a disinfecting part are arranged on the same side of the base body, the measuring part is positioned on two sides of the disinfecting part, the trimming component is fixedly connected to the side surface of the base body, the disinfection part comprises an airing slope and a plurality of disinfection cavities, the surface of the base body is concaved inwards to form the disinfection cavities and the airing slope, and the airing slope is located on one side of the disinfection part. The gutta-percha point is cut to the required size through the trimming assembly, then the length of the gutta-percha point is measured through the measuring part, the gutta-percha point is marked, a sodium hypochlorite solution and ethyl alcohol can be poured into the multiple disinfection cavities respectively, and the gutta-percha point is sequentially soaked in the sodium hypochlorite solution and the ethyl alcohol, then taken out, placed on the object airing slope and aired for use. And medical personnel do not need to frequently switch among a plurality of devices, so that the treatment flow of the gutta-percha point is greatly simplified, and the operation time is shortened.

The application discloses an expanding root canal filling medical device combination based on a dental root tip biological seal and application. The medical device combination comprises a sealant combination and a titanium material root canal plug tip, the sealant combination is composed of liquid agent, A component powder and B component powder which are mutually isolated before use, the A component powder comprises 75-95% of tricalcium silicate and 5-25% of beta tricalcium phosphate, the B component powder comprises 45-55% of nano zirconium dioxide, 44.7-52% of calcium hydroxide and 0.3-3% of calcium oxide; a root canal section surface of the root canal plug tip is provided with a horizontal screw thread, a screw thread groove of the screw thread is used for filling the prepared sealant, and a crown section surface is provided with a retaining groove section. The medical device combination solves the problems of root canal treatment failure or poor long-term curative effect caused by volume shrinkage after filling of the existing sealant and gutta-percha tip, and can realize high safety, high biocompatibility, high quality and high density root canal filling.

The invention relates to the field of dental root canal filling, and particularly discloses a dental composition, a preparation method thereof, a gutta-percha point and a preparation method of the gutta-percha point. The dental composition comprises the following raw materials: turquoise gum, polypropylene and simethicone. The preparation method comprises the following steps: S1, mixing the ancient glue and the polypropylene at the mixing temperature of 80-100 DEG C and the rotating speed of 30-60 r / min for 30-60 minutes to obtain a colloid; s2, adding the rest raw materials into the colloid, and continuously mixing to obtain the dental composition. According to the gutta-percha tip, the polypropylene and the simethicone are added into the gutta-percha, and the low-melting-point polypropylene with relatively good biocompatibility is adopted to replace part of the gutta-percha, so that compared with a common gutta-percha tip which generally contains about 20% of gutta-percha, the gutta-percha tip properly reduces the proportion of the gutta-percha, and meanwhile, under the action of the simethicone, the flowability and the viscosity of the gutta-percha tip are improved; the gutta-percha point is beneficial to adopting an injection molding process, the yield can be improved, the quality is improved, and the cost is reduced.

The utility model provides a root canal filling gutta-percha point adaptation device, which belongs to the technical field of gutta-percha point adaptation and comprises a support frame, a mounting column, a connecting plate and a blade. The supporting frame is provided with a plurality of inserting holes used for allowing gutta percha points to be inserted therein, and the tapers and the inner diameters of the inserting holes are gradually increased in sequence. The mounting column is located on one side of the supporting frame, and a plurality of limiting grooves are formed in the height direction of the mounting column. The connecting plates are clamped to the corresponding limiting grooves and have the freedom degree of rotating around the axis of the mounting column. The blade is detachably connected to the connecting plate and used for cutting off the redundant part, extending out of the bottom of the inserting hole, of the gutta-percha point by means of movement of the connecting plate. The root canal filling gutta percha point adaptation device is simple in structure and convenient to operate, and can achieve adaptation work of gutta percha points of different specifications and sizes.

The application relates to the field of dental root canal filling, and particularly discloses a dental composition, a preparation method thereof, a gutta-percha point and a preparation method of the gutta-percha point. The dental composition comprises the following raw materials: gutta-percha, polypropylene and dimethyl silicone oil; the preparation method comprises the following steps: S1, mixing gutta-percha and polypropylene, the mixing temperature is 80-100 DEG C, the rotating speed is 30-60 r / min, and the mixing time is 30-60 min, to obtain a colloid; and S2, adding the remaining raw materials into the colloid to continue mixing, to obtain the dental composition. By adding polypropylene and dimethyl silicone oil into the gutta-percha, part of the gutta-percha is replaced by low-melting-point polypropylene which has better biocompatibility, compared with the common gutta-percha point which usually contains about 20% of gutta-percha, the proportion of the gutta-percha is appropriately reduced, meanwhile, under the action of the dimethyl silicone oil, the flowability and viscosity of the gutta-percha point are improved, so that the gutta-percha point is beneficial to the injection molding process, and the yield, quality and cost can be improved.

The utility model belongs to the technical field of medical instruments, and particularly relates to a gutta-percha cutter used for implanting dental pulp in the oral cavity treatment process. The utility model provides an instrument which is simple in structure, convenient to use and capable of precisely controlling the cutting length of the tip end of gutta-percha. The gutta-percha cutting-off device comprises a base and is characterized in that a guide rail is arranged on the base, and a gutta-percha fixing end sliding block and a gutta-percha cutting-off end sliding block are arranged on the guide rail; a gutta-percha supporting table is arranged on the upper surface of the guide rail, and scale marks are arranged on the side of the gutta-percha supporting table; a clamping mechanism corresponding to the gutta-percha supporting table is arranged on the gutta-percha fixing end sliding block; a thread adjusting mechanism is arranged between the gutta-percha cutting-off end sliding block and the guide rail, and a cutter assembly is arranged at the end, corresponding to the gutta-percha fixing end sliding block, of the gutta-percha cutting-off end sliding block.

The utility model discloses a gutta-percha point cutting device. The gutta-percha point cutting device comprises a handle; the base is rotatably connected with the handle, a cavity is formed in the bottom of the base, and first insertion holes communicated with the cavity are formed in the upper portion of the base; the transverse cutter is installed on the upper portion of the base in a sliding mode and moves between an initial position and a cutting position relative to the base, second inserting holes are formed in the transverse cutter in an arrayed mode, and at the initial position, the first inserting holes and the second inserting holes are combined to form a channel allowing a gutta-percha point to be inserted; at least one of the transverse cutter and the base is provided with a blade, and the cutting edge of the blade is located on the inner wall of the channel. According to the gutta-percha point cutting device, a dentist can cut a gutta-percha point more accurately through the cutting device, it is guaranteed that the gutta-percha point is cut off accurately, and operation efficiency and treatment quality are improved.

This invention provides a gutta-percha point trimmer, including a trimming tube with a perforated upper shell slidably connected to its upper end. A support frame is fixedly connected inside the trimming tube, and a motor is fixedly connected to the middle of the support frame. A docking block is fixedly connected to the output end of the motor. This design solves the problems of existing gutta-percha point trimmers, which require doctors to use both hands to operate the moving blade to trim the gutta-percha points, are small and prone to falling, and have the gutta-percha points get stuck on the blades. This invention has a reasonable structure and good practicality. By placing the trimming tube on the worktable, the gutta-percha point is simply inserted into the round hole on the surface of the perforated upper shell, allowing the rotating cutting propellant to trim the gutta-percha point. When the rotating cutting propellant becomes dull, the fixed base can be pulled out to replace it with a new rotating cutting propellant, which can prevent the rotating cutting propellant from scratching the doctor and also prevent the gutta-percha point from getting stuck on the blade.

The utility model relates to the technical field of oral medical treatment, in particular to a precise trimmer for a gutta-percha point in an oral cavity, which comprises a base, a platform arranged above the base, a limiting hole arranged at the upper end of the platform, a marking mechanism arranged on one side of the upper end of the platform and capable of marking the length of the gutta-percha point, rectangular holes arranged on two sides of the platform, and measuring scales arranged in the rectangular holes in a sliding manner. The lower end of the measuring ruler is fixedly connected with the two sides of the base, threaded holes are formed in the hole walls of the sides, away from each other, of the two rectangular holes, locking bolts are arranged in the threaded holes, the measuring ruler is perpendicular to the base, a rotating disc is rotationally arranged in the middle of the upper end of the platform through a rotating shaft, and a plurality of annularly-distributed positioning holes are evenly formed in the top of the rotating disc. The gutta-percha point trimming device is high in gutta-percha point trimming precision, the gutta-percha point is not prone to being polluted, the working length of the gutta-percha point can be marked conveniently, working efficiency is improved, follow-up root canal filling is facilitated, and adverse effects on root canal treatment are reduced.

The invention relates to a gutta-percha point raw material formula and a preparation method thereof. The gutta-percha point raw material formula comprises the following components by weight: 30-50% of a matrix material; 30-50% of a biological ceramic component; 5-15% of an antibacterial component; 5-10% of a toughening and bonding component; 1-5% of an auxiliary agent; the auxiliary agent is at least one of a coupling agent and a dispersing agent; the biological ceramic component can induce adhesion and proliferation of bone cells and promote mineralization, and has a bone tissue repair effect, and by adding the biological ceramic component, the bone tissue repair material has excellent biological activity and can promote periapical bone tissue repair; the antibacterial component provides a long-acting bactericidal performance, and by adding the antibacterial component, a patient is not easy to reinfect after an operation, so that the postoperative recurrence rate is reduced; the whole raw materials have excellent biocompatibility and sealing performance, the long-term stability of root canal filling can be improved, and leakage and treatment failure can be avoided.

The invention discloses a gutta-percha point trimming device, and relates to the technical field of gutta-percha point cutting equipment, and the gutta-percha point trimming device comprises a gutta-percha point cutting device and a gutta-percha point heating device; the gutta-percha point cutting device comprises a cutting shell, a cutting cavity is formed in the cutting shell, a cutting channel is formed in the bottom of the cutting cavity, a cutting rotary disc is rotationally connected to one end of the cutting shell, a plurality of section cutting through holes are formed in the cutting rotary disc, and a positioning sliding frame and a movable sliding frame are slidably connected into the cutting cavity. A section cutting blade is fixed to the positioning sliding frame, a length cutting blade is fixed to the movable sliding frame, and the section cutting blade and the length cutting blade can cut gutta-percha points in the cutting channel. The gutta-percha point heating device is provided with a heating channel and a heating element, the gutta-percha point can stretch into the heating channel, and the heating element can heat the gutta-percha point in the heating channel. According to the gutta-percha point trimming device, the taper, length and tip section size of the gutta-percha point can be precisely trimmed.

The utility model relates to the technical field of oral medical equipment, and discloses a multifunctional support for root canal therapy, which comprises a support body and side plates, the top of the support body is provided with an insertion hole, the bottoms of two ends of the support body are hinged with the bottoms of the side plates through first rotating shafts, and a gutta-percha point cutter is arranged between the tops of the two groups of side plates. Second rotating shafts and stop levers are arranged at the ends of the two ends of the gutta-percha point cutter, the gutta-percha point cutter is hinged to the side plate through the second rotating shafts, first positioning grooves matched with the stop levers are formed in the top of the side plate, and second positioning grooves matched with the stop levers are formed in the first side of the side plate. According to the utility model, the shape can be changed according to the use condition, the use of medical personnel is facilitated, the adjustment is convenient, the operation is simple, and the operation experience of the medical personnel in the root canal therapy is effectively improved.

The invention relates to a hot gutta-percha composite filling material and a preparation method thereof, and relates to the technical field of biological medicine, the main technical scheme is that the preparation method of the hot gutta-percha composite filling material comprises the following steps: step 1), dissolving and mixing amorphous phosphate and a thermoplastic polymer in a volatile organic solvent to obtain a mixed solution; obtaining a mixture; then volatilizing the volatile solvent in the mixture to obtain a composite raw material; wherein the amorphous phosphate comprises amorphous calcium phosphate and / or copper-doped amorphous calcium phosphate; and 2) preparing the composite raw material into the hot gutta-percha composite filling material with the required specification. Amorphous calcium phosphate with high biological activity or a copper-doped amorphous calcium phosphate material is compounded in a gutta-percha point material, and further sealing can be realized through mineralization in a natural and humid dentin environment, so that the marginal adaptability of the gutta-percha point material to the wall of a root canal is enhanced.

The invention relates to the technical field of extruders, in particular to an extruder structure of a wire rod for a gutta percha point and a gutta percha point preparation method. A compression section is arranged at the joint, axially connected with the discharging section of the charging barrel, of the material channel, and the caliber of the compression section is smaller than the caliber of the charging barrel and the caliber of the material channel; the heating ring is arranged around the periphery of the material channel, the discharging section of the material barrel and the compression section and is used for heating the ancient turquoise gum solid to form an ancient turquoise gum melt; the mold is arranged at the discharge hole of the material channel and is used for extruding and molding the gutta-percha melt to form the wire for the gutta-percha point; wherein the inner diameter of the compression section and the length of the runner are determined through an extruder structure optimization model, and the extruder structure optimization model is constructed based on finite element analysis of a turquoise gum melt. The wire rod for the gutta-percha point, which is good in forming quality, is produced.

The invention relates to the technical field of gutta-percha point packaging, and provides an automatic gutta-percha point packaging production device which comprises an empty bottle placing unit, a gutta-percha point subpackaging unit, a bottle sealing unit, a boxing unit, a labeling machine, a film laminating machine and a stacking machine which are sequentially and adjacently arranged. The empty bottle placing unit comprises a first tool and a feeding mechanism. The glue tip subpackaging unit comprises a direct vibration mechanism, a glue tip feeding part, a first conveying assembly and a second conveying assembly. The bottle sealing unit comprises a first rotating disc mechanism, a bottle feeding mechanism, a sponge assembling mechanism, a bottle cap assembling mechanism and a bottle discharging mechanism, the boxing unit comprises a second rotating disc mechanism, a box bottom placing mechanism, a bottle support placing mechanism, a box cover placing mechanism and a material taking manipulator, wherein the box bottom placing mechanism, the bottle support placing mechanism and the box cover placing mechanism are sequentially arranged around the second rotating disc mechanism. According to the glue tip packaging machine, glue tip product packaging and finished product automatic integrated forming are achieved, the glue tip quality is guaranteed, and meanwhile the packaging efficiency and the packaging effect are improved.

The invention relates to the technical field of gutta-percha tips, in particular to a biological ceramic gutta-percha tip and a preparation method thereof.The biological ceramic gutta-percha tip is prepared from, by weight, 10-20 parts of natural rubber, 30-40 parts of antibacterial agent, 8-12 parts of barium sulfate, 8-15 parts of modified ceramic powder and 2-3 parts of plasticizer. The gutta-percha tip manufactured by the method is good in biocompatibility, has good antibacterial property and proper bending property, and has a radiography effect.

The utility model discloses a gutta-percha cutter, which belongs to the technical field of gutta-percha tip cutting and comprises a shell, a PCB (printed circuit board), a heating needle and a battery, the battery is mounted at the tail of the shell, the PCB is mounted in the middle of the shell, the front end of the shell is bent, a heating fixing part is arranged at the front end of the shell, and the heating needle is mounted on the heating fixing part. A heating fixing piece is arranged at the front end of the shell, a fixing pressing plate is arranged on the heating fixing piece, a needle head locking piece is arranged at the opening end of the shell, the heating needle penetrates through the needle head locking piece, the tail of the heating needle is inserted into the heating fixing piece, a metal fixing piece is arranged at the front end of the shell in a sleeving mode and used for fixing the heating needle, the angle of the heating needle is fixed, and a miniature ball is arranged at the end of the heating needle. The micro ball at the end of the heating needle can discharge redundant gutta-percha when the gutta-percha is cut off, and can better apply pressure to the filled gutta-percha, so that the gutta-percha is filled more compactly, and the gutta-percha does not need to be compacted by additionally replacing a host machine or other heating needles after the gutta-percha point is cut off.

The utility model discloses a gutta-percha point trimming cutter, which belongs to the technical field of gutta-percha point trimming, and comprises a base, a row of first round holes and a row of second round holes are symmetrically arranged at the top end of the base, a strip-shaped groove with two open ends is arranged on one side of the base, the strip-shaped groove is communicated with the bottom ends of the first round holes, and the second round holes are communicated with the bottom ends of the second round holes. A plurality of first circular grooves which are different in depth and correspond to the first circular holes one to one are formed in the bottom end of the strip-shaped groove, a cutting assembly is installed at the bottom end of the inner wall of the strip-shaped groove, a groove communicating with the second circular hole is formed in the other side of the base, and a supporting block is installed in the groove; second circular grooves corresponding to the second circular holes in a one-to-one mode are formed in the top ends of the supporting blocks, first cutting knives with different tapers are installed in the second circular grooves, and the gutta-percha point trimming cutter can achieve precise cutting, is convenient and fast to operate, is stable in structure and is high in maintenance and function expansibility.

A gutta percha point and an apparatus for measuring the length of a root canal in a root canal procedure. The gutta percha point includes a head, a neck, a body, and a tail. The neck has a coating of conductive material to which one electrode of the apparatus can be electrically clamped. The tip also includes a layer of conductive material. One or more conductive paths are formed integral to the body extending between the neck and the tail. The gutta percha cone can be used to measure the length of the root canal as well as for filling the tooth cavity.

The utility model relates to the technical field of medical instruments, in particular to a composite gutta-percha point trimmer. The composite gutta-percha point trimmer comprises a sliding ruler, one side face of the sliding ruler is connected with a feeler gauge through a hand screw, the other side face of the sliding ruler is connected with a cutting knife, the other side face of the sliding ruler is provided with an upper rail, the upper rail is provided with holes of various sizes, and the holes are used for containing gutta-percha points of different thicknesses. The cutting knife comprises a knife rest and a blade installed on the knife rest, a rectangular groove for containing the upper rail is formed in the knife rest, and the blade is located in the rectangular groove. According to the composite gutta-percha point trimmer, gutta-percha points can be cut through the cutting blade, the feeler gauge can rotate by 360 degrees to measure gaps between teeth, meanwhile, the sliding ruler is further provided with scales of the measuring file and scales of the teeth, and the working efficiency is higher.

The utility model discloses a gutta-percha tip tail end trimming device integrating length measurement, which is characterized by comprising a measuring plate with uniform thickness; the upper end of the measuring plate is provided with a first groove for placing a gutta-percha point, and the measuring plate above the first groove is provided with a graduated scale for measuring the total length of the gutta-percha point; second grooves used for containing gutta percha points are formed in the portion, located below the first groove, of the measuring plate from top to bottom at intervals, the length between every two adjacent second grooves is sequentially decreased from top to bottom, and the right side end faces of the second grooves are aligned. According to the gutta-percha cutter, the tail end of a gutta-percha point can be accurately cut by arranging the grooves with different lengths, so that the clinical use requirement is met.

The utility model discloses a root canal therapy kit which comprises a base (1) and a top frame (2), a plurality of inserting holes (3) are formed in the top frame (2), a plurality of through grooves (4) communicated with the inserting holes (3) are formed in the top frame (2), clamping holes (5) are formed in the bottoms of the through grooves (4), a plurality of tail grooves (6) are formed in the top frame (2) and located below the through grooves (4), and one ends of the clamping holes (5) are communicated with the tail grooves (6). A side seat (7) is arranged at one end of the base (1), and a hollow cavity (8) is formed in the side seat (7). The gutta percha point trimming device can trim the end of a gutta percha point, and is convenient to operate and accurate in trimming length.

The utility model discloses a porous gutta-percha point with ultrasonic oscillation, which relates to the technical field of root canal therapy equipment and comprises a porous gutta-percha point, an adapter, a conveyor and an ultrasonic handle. In the utility model, the porous gutta-percha point is placed on the adapter, the adapter is firstly connected to the conveyor for filling paste, the porous gutta-percha point is placed in the root canal, the conveyor pushes the filling paste into the porous gutta-percha point through the adapter, then the conveyor is taken down, the adapter is connected to the ultrasonic handle, and the porous gutta-percha point is placed in the root canal. The ultrasonic handle transmits high-frequency vibration to the porous gutta-percha point through the adapter and conveys paste into the porous gutta-percha point through the rubber hose, and meanwhile, the ultrasonic handle transmits high-frequency vibration to the porous gutta-percha point through the rubber hose, so that the high-frequency vibration of the ultrasonic handle is accurately transmitted into the porous gutta-percha point, and a root canal is fully and uniformly filled with the paste; then the porous gutta-percha point is separated from the adapter and taken down, the gutta-percha point is scalded to be broken, and the root canal opening is sealed.

The application discloses a gutta-percha point trimmer, which comprises a measuring scale, a cutting scale and a marking scale. The cutting scale and the marking scale are parallel and perpendicular to the measuring scale respectively; the starting point of the scale of the measuring scale is at the same level with the back surface of the cutting scale; the cutting scale is in a disc structure, and a plurality of conical holes with different sizes are distributed along the circumference of the disc; the diameter of the conical hole is larger on the front surface of the cutting scale than on the back surface of the cutting scale; a gear matched with the disc structure is arranged at the proximal end of the disc structure, and a blade is arranged below the disc structure; two circular holes with different diameters are arranged on the T-shaped part of the marking scale, the length between the two circular holes is the same as the length between two conical holes on the diagonal line of the disc structure of the cutting scale; and a slidable rectangular blade is arranged above the T-shaped part. The gutta-percha point trimmer can effectively and safely cut the tip of the gutta-percha point and accurately determine the working length of the gutta-percha point.

The present application relates to the technical field of gutta-percha points, and particularly relates to a bioceramic gutta-percha point and a preparation method thereof, which comprises the following raw materials in parts by weight: natural rubber 10-20 parts, antibacterial agent 30-40 parts, barium sulfate 8-12 parts, modified ceramic powder 8-15 parts, and plasticizer 2-3 parts. The gutta-percha point prepared by the present application has good biocompatibility, good antibacterial property and suitable bending property, and has a radiographic effect.