Bioceramic material delivery device for dental use

The dental bioceramic material delivery device, which integrates delivery and pressurization functions, solves the problems of inaccurate material delivery and frequent instrument changes in existing technologies, achieving precise material delivery and dense packing, and improving operational convenience and clinical efficiency.

CN224292014UActive Publication Date: 2026-05-29SHANGHAI STOMATOLOGICAL HOSPITAL FUDAN UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI STOMATOLOGICAL HOSPITAL FUDAN UNIV
Filing Date
2025-05-30
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing dental bioceramic material delivery instruments cannot achieve precise material delivery and vertical pressure packing, requiring frequent instrument changes, which leads to cumbersome operation and easy damage to the material's morphology, affecting clinical efficiency.

Method used

A dental bioceramic material delivery device integrating delivery and vertical pressurization functions has been designed, comprising a vertical pressurizer body, a curved metal tube, a handle, and a pressurization needle, to achieve precise delivery and dense packing of materials, avoiding instrument replacement.

Benefits of technology

Simplify the operation process, improve treatment efficiency, ensure the integrity of the material morphology, adapt to complex anatomical structures, and enhance operation precision and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to dental instrument field, concretely is a kind of biological ceramic material conveyor for dentistry. Biological ceramic material conveyor for dentistry, including vertical presser body, the one side of vertical presser body is connected with the curved metal pipeline, for conveying dental material by metal pipeline;Vertical presser body near metal pipeline side is equipped with handle, handle can slide in groove and pass through guide wire and specify the location of dental material. Vertical presser body other side is equipped with pressurizing needle, for pressurizing and extruding dental material bubble or interstice. Guide wire is connected to handle, and the diameter of both ends of guide wire is greater than the middle section. The utility model integrates the integrated instrument of conveying and vertical pressurizing function, can realize the accurate conveying and dense tamping of material without changing tool.
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Description

Technical Field

[0001] This utility model belongs to the field of dental instruments, specifically a dental bioceramic material delivery device. Background Technology

[0002] In recent years, bioceramic materials (such as mineral trioxide aggregates MTA and iRoot BP) have been widely used in the field of dentistry due to their excellent bioactivity, biocompatibility, and sealing properties, especially in clinical treatments such as root canal filling, pulp chamber perforation repair, and pulp regeneration. However, these materials are usually in paste form with high viscosity, requiring precise delivery to narrow and deep treatment areas during root canal procedures, which places higher demands on the functionality and operability of instruments.

[0003] Currently, traditional delivery devices consist of a hollow tube and a pusher, requiring the pusher to expel material from the front of the tube during operation. However, these devices have several drawbacks: existing devices can only deliver material and cannot directly perform vertical pressurization and packing. In clinical practice, doctors need to frequently change devices, such as using a separate vertical pressurizer, leading to cumbersome procedures, increased time consumption, and the potential for device switching to damage the morphology of the delivered material. These factors limit the efficiency of clinical use of bioceramic materials. Utility Model Content

[0004] To address the above technical issues, this invention proposes a dental bioceramic material delivery device, an integrated instrument that combines delivery and vertical pressurization functions. This device enables precise delivery and dense packing of materials without the need to change tools, while optimizing operational convenience and clinical efficiency.

[0005] To achieve the above objectives, the present invention proposes the following technical solution:

[0006] A dental bioceramic material delivery device includes a vertical pressurizer body, one side of which is connected to a curved metal tube for delivering dental materials through the metal tube; the vertical pressurizer body has a handle on the side near the metal tube, the handle can slide along the groove and guide the dental material to a designated position through a guide wire.

[0007] Furthermore, a pressure needle is installed on the other side of the vertical pressure unit body for pressurizing and squeezing out air bubbles or voids in the dental material.

[0008] Furthermore, the guidewire is connected to the handle, and the diameters at both ends of the guidewire are larger than those in its middle section.

[0009] Compared with the prior art, the present invention has the following beneficial technical effects:

[0010] This invention integrates a curved metal tube and a pressure needle into the vertical pressurizing device, combining material delivery and vertical pressurization tamping functions into one. This eliminates the need for frequent instrument changes during clinical operation, simplifying the procedure and preventing material damage caused by instrument switching, thus significantly improving treatment efficiency.

[0011] The design of having a larger diameter at both ends of the guidewire than in the middle section enhances its stability and resistance to deformation during delivery. The thinner, elastic section in the middle section can adapt to the curved path of the metal tube, ensuring smooth material delivery; the larger diameter at both ends increases the contact area with the handle and the bottom of the material, effectively reducing material residue and achieving near-complete ejection of the ointment material.

[0012] The metal cannula tip can precisely accommodate bioceramic material, and the release direction of the material can be controlled by the elastic push of the guidewire. This design is particularly suitable for complex anatomical structures such as curved root canals, guiding the material along a predetermined path and significantly improving operational accuracy. Attached Figure Description

[0013] Figure 1 This is a structural schematic diagram of a specific embodiment of the present invention;

[0014] Figure 2 This is a schematic diagram of a metal pipe structure according to a specific embodiment of the present invention;

[0015] Figure 3 This is a partial schematic diagram of the handle of a specific embodiment of the present invention.

[0016] The following are the numbers in the diagram: 1. Vertical pressure device body; 2. Metal tubing; 3. Handle; 4. Guide wire; 5. Pressure needle; 6. Dental material. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific examples. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the explanation of the present invention. The descriptions are merely of preferred embodiments of the present invention and are not intended to limit the present invention in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the scope of protection of the claims.

[0018] Please see Figures 1 to 3The dental bioceramic material delivery device provided by this utility model includes a vertical pressurizer body 1, a curved metal tube 2, a handle 3, a guide wire 4, and a pressurizing needle 5. One side of the vertical pressurizer body 1 is connected to the curved metal tube 2, the tip of which is used to accommodate bioceramic material. The handle 3 is located on the side of the vertical pressurizer body 1 near the metal tube 2 and can slide along the groove. The guide wire 4 is connected to the handle 3, with its two ends having a larger diameter than the middle section, the middle section having elastic deformation capability. The pressurizing needle 5 is installed on the other side of the vertical pressurizer body 1 for vertically pressurizing and packing the material.

[0019] Furthermore, the thicker diameter structure at both ends of the guidewire 4 increases the contact area with the handle 3 and the bottom of the material, reducing material residue; the elastic part in the middle section can adapt to the bending path of the metal tube 2, ensuring smooth pushing.

[0020] Furthermore, the groove design ensures precise material positioning and prevents misalignment; the vertical pressurization function of the pressure needle 5 is integrated with the delivery function, avoiding material morphology damage caused by instrument switching.

[0021] The specific usage process is as follows:

[0022] Prepare the bioceramic material (MTA or iRoot BP paste) on a glass plate, ensuring that its viscosity is appropriate.

[0023] Place the prepared paste material into the tip of the metal pipe 2.

[0024] The front end of the delivery device, namely the metal tube 2, is placed into the target area within the tooth structure, which in this embodiment is the root canal or the bottom of the pulp chamber. The curved metal tube 2 is designed to adapt to complex structures, ensuring the accuracy of the operating path.

[0025] Slide the handle 3 along the groove to move the guide wire 4 toward the front end of the metal pipe 2. Because the guide wire 4 has a large diameter at both ends and elastic deformation in the middle section, it can maintain stability during the pushing process, while reducing friction with the inner wall of the pipe, and pushing the material evenly to the target position.

[0026] Switch the conveyor to one end of the pressure needle 5 to vertically pressurize and fill the conveyed material. The pressure needle 5 squeezes out air bubbles or voids inside the material by applying vertical force, ensuring a dense filling.

[0027] Repeat the process: Based on clinical needs, repeat the above steps until the desired material thickness is achieved. In summary, this invention, through functional integration and structural optimization, achieves precise delivery and dense packing of bioceramic materials, significantly improving clinical operational efficiency and therapeutic effects. The above embodiments are merely examples; those skilled in the art can adjust the specific implementation methods according to actual needs, and such adjustments all fall within the protection scope of the claims of this invention.

Claims

1. A dental bioceramic material delivery device, comprising a vertical pressurizer body (1), characterized in that, The vertical pressurizer body (1) has a curved metal pipe (2) connected to one side for conveying dental materials through the metal pipe (2); the vertical pressurizer body (1) has a handle (3) on the side near the metal pipe (2), the handle (3) can slide along the groove and guide the dental materials to the designated position through the guide wire (4).

2. The dental bioceramic material delivery device according to claim 1, characterized in that, The vertical pressurizer body (1) is equipped with a pressurizing needle (5) on the other side for pressurizing and squeezing out air bubbles or voids in the dental material.

3. The dental bioceramic material delivery device according to claim 1, characterized in that, The guide wire (4) is connected to the handle (3), and the diameters at both ends of the guide wire (4) are larger than the diameter of its middle section.