Heating needle for hot melt gutta-percha heating pen with local heating function
A hot-melt, partial technology, applied in dentistry, tooth filling, orthodontics, etc., can solve problems such as potential safety hazards, easy burns to the mouth of patients and operators, and overheating of non-working parts
Pending Publication Date: 2021-05-07
GUILIN WOODPECKER MEDICAL INSTR
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- Application Information
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Problems solved by technology
The existing structure and technology will heat the needle as a whole, causing the non-working parts to be overheated, and it is easy to burn the patient's mouth and the operator during use, posing a safety hazard
Method used
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[0016] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0017] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...
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The invention discloses a heating needle for a hot melt gutta-percha heating pen with a local heating function. According to the working principle, a positive electrode tube is powered on, the tail of the positive electrode tube is connected with a conductive wire, electricity is conducted to a heating needle head through the conductive wire, then electricity is conducted to a conductive bent tube, finally electricity is conducted to a negative electrode tube to form a loop, and local heating of the heating needle in a working area can be achieved. The needle head part is a heating area, the bent tube is a non-working area, the resistance value of the needle head part is larger than that of the bent tube part, and according to a heating amount formula, in the same current and heating time, the larger the resistance value is, the larger the heating amount is, and the higher the temperature is; and by means of a first metal layer in the positive electrode tube and a metal material with the large electric conductivity in a second metal layer in the conductive bent tube, most of the heating amount can be concentrated on the heating needle head part, then operation such as softening or cutting-off is improved, and safety is improved.
Description
technical field [0001] The invention relates to the technical field of hot-melt gutta-percha filling systems, in particular to a heating needle for a locally heated hot-melt gutta-percha heating pencil. Background technique [0002] The gutta-percha filling system is used in dental root canal procedures to fill root canals that have been enlarged using other equipment. Root canal filling is usually accomplished by heating to soften the gutta-percha tip and injecting filling material. The equipment used to heat and soften the gutta-percha tip in the gutta-percha filling system is called a heating pen, and its heating element is called a heating needle. Its working principle is to energize between the positive electrode and the negative electrode to form a circuit, so that the working part of the heating needle will heat up to the expected temperature. to soften the gutta-percha tip. The existing structure and technology will cause the overall heating of the heating needle, ...
Claims
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Login to View More IPC IPC(8): A61C5/55
CPCA61C5/55
Inventor 陈泽荣吴坤优梁炬祥葛学军覃荣情
Owner GUILIN WOODPECKER MEDICAL INSTR