JP3203964U - Dental handpiece structure - Google Patents

Abstract

Disclosed is a dental handpiece structure in which the cutting depth of a drill bit can be controlled and the cutting position can be easily confirmed. The dental handpiece structure includes a drill bit body, a nut, and an adjustment ring. The drill bit body 10 is connected to the driving end of the dental handpiece and rotates at a high speed. The nut 20 is a hexagonal nut, which is fixed to the screw pattern 13 of the drill bit body 10, the adjustment ring 30 has a predetermined segment width, and a hexagonal nut installation hole 31 is recessed in the center, and the nut 20 is placed there. Then, a screw hole is also formed in the center of the adjustment ring 30 and fixed with the screw pattern 13. [Selection] Figure 1

Description

  The present invention relates to a drill structure, and more particularly to a dental handpiece structure used for implant surgery and used for cutting a tooth bone of an affected part of the oral cavity.

A kind of implant technology has already been applied in oral treatment for many years, and the success rate has been greatly increased by the advancement of materials and improvement of implant technology, and the problem of dentures installed in patients with missing teeth is effective Has been improved. The above-mentioned artificial implant mainly implants the implant body into the alveolar bone of the affected part in the oral cavity, and fixes the implant body as a substitute for the extracted tooth root by fixing it to the support base, fixing the crown on the support base, and artificial replacement Install in place of lost teeth.

In a traditional implant process, a drill bit is connected to a dental handpiece, cutting is performed on the alveolar bone of the patient's oral cavity, and the implant body is screwed into the alveolar bone. When the dentist cuts the patient, the cutting position is the position of the affected part with missing teeth.

JP 2014-121445 A

The first problem to be solved is that the cutting position is usually the center position of the two teeth in the affected part of the missing tooth, and the position is currently determined by the experienced professional practitioner with the naked eye. You have to find the exact position of. The second problem is the depth of cutting, but conditions such as the patient's dental bone condition and implant body size must be considered. Cutting depth, whether too deep or too shallow, affects the smoothness and stability of implant body placement. Therefore, the practitioner must observe the drill bit drilling depth closely so as not to affect the placement of the implant body.

For the above-mentioned problems, the drill bit currently used for tooth cutting does not have a substantial assisting action, so it is necessary to rely on the operator's operation technique, and human errors and inadvertent mistakes may occur. I can't escape. Therefore, the above problem must be solved by providing a creative and progressive drill bit.

  The present invention includes a drill bit body, a nut and an adjustment ring. The drill bit body is connected to the driving end of the dental handpiece and rotates at a high speed, and a screw pattern is installed on the drill bit body. The nut is a hexagonal nut, fixed to the thread pattern of the drill bit body, the adjustment ring has a predetermined segment width, the center has a hexagonal nut installation hole, and the nut is inserted into the center of the adjustment ring. In addition, the main feature is to form a screw hole and fix it with the aforementioned screw pattern.

  The dental handpiece structure of the present invention is advantageous in that it is easy to control the cutting depth of the drill bit and confirm the cutting position.

It is a three-dimensional decomposition structure diagram of an embodiment of the present invention. It is a three-dimensional assembly structure diagram of an embodiment of the present invention. It is a plane assembly structure diagram of an embodiment of the present invention. It is the solid instruction | indication figure 1 which installed the adjustment ring of this invention. FIG. 3 is a three-dimensional instruction diagram 2 in which the adjusting ring of the present invention is installed. It is a plane direction figure which installed the adjustment ring of the present invention.

A drill bit structure is provided to ameliorate problems due to drill bit structure design defects during known dental tooth cutting procedures. In addition to cutting the tooth bone and controlling the cutting depth of the tooth bone at the end of the drill bit, it also assists in confirming the exact position of the cutting and maintains the placement and stability of the implant body during the procedure. This is the main purpose of the present invention.

The drill structure provided by the present invention includes a drill bit body, a nut and an adjustment ring. The drill bit body is a slender body, and the upper end forms a connecting portion, and the driving end of the dental handpiece is connected to rotate at high speed. The bottom end forms a drill portion and has a drilling ability for cutting. In particular, a screw pattern is provided above the drill portion. The nut is a hexagonal nut, fixed to the screw pattern of the drill bit body, the adjustment ring has a predetermined segment width, the center has a hexagonal nut installation hole, and the nut is fitted and adjusted there A screw hole is also formed in the center of the ring, and the aforementioned screw pattern is fixed. Based on these, the purpose of controlling the drill bit depth of the drill bit and confirming the cutting position is achieved.

The technical contents, features, and effects related to the present invention will be described in detail below with reference to examples and examples. In addition, the present invention has been specially described, and its basic structure is described by its graphical instruction method. That is, it is first described that the structures or members shown in these diagrams and the displayed structural shapes, sizes, proportions, or the number of members are all of a kind of selectivity.

The structure of the present invention and the effects that can be achieved by the structure will be described below together with the drawings.

First, FIG. 1 is a three-dimensional exploded structure diagram of a preferred embodiment of the present invention, FIG. 2 is a three-dimensional assembly structure diagram of a preferred embodiment of the present invention, and FIG. 3 is a plan assembly structure diagram of a preferred embodiment of the present invention. It is. As shown in the figure, the present invention includes a drill bit body 10, a nut 20, and an adjustment ring 30. Of which

The drill bit main body 10 is a thin rod, and a connecting portion 11 is formed at the upper end and a drill portion 12 is formed at the bottom end. A screw pattern 13 is installed above the drill portion 12. The connecting portion 11 connects the driving end of the dental handpiece, and the drill bit body 10 is rotated at a high speed by driving the dental handpiece, and the drill portion 12 has a drilling ability for cutting.

The nut 20 is a hexagonal nut and is fixed to the screw pattern 13 of the drill bit body 10.

The adjustment ring 30 has a predetermined segment width, a hexagonal nut installation hole 31 is recessed in the center, a nut is fitted therein, and a screw hole 32 is further formed in the center of the adjustment ring 30. 32 is fixed by the screw pattern 13 of the drill bit body 10.

Based on the above-described member structure design of the present invention, the connecting portion 11 is connected to the driving end of the dental handpiece, and the drill bit body 10 is rotated at a high speed by the driving of the dental handpiece, so that the drill portion 12 becomes the tooth bone. Hole drilling is performed. The nut 20 is fixed solely by the screw pattern 13 of the drill bit body 10 or the adjustment ring 30 is fixed by the screw pattern 13 of the drill bit body 10. Alternatively, after the nut 20 is installed in the nut installation hole 31 of the adjustment ring 30, it may be fixed next to the screw pattern 13 of the drill bit body 10. 4, 5, and 6 are state instruction diagrams of the adjustment ring installation of the present invention. The nut 20 and the adjustment ring 30 are fixed to the screw pattern 13 of the drill bit body 10 by different methods, and satisfy the requirements for different drilling depths of the drill portion 12. In addition, the adjustment ring 30 has a predetermined segment width, which matches the pitch of the two teeth of the missing tooth affected part. The adjusting ring 30 is selected by a practitioner according to various different segment widths, and the segment width of the adjusting ring 30 just matches the affected tooth double-tooth pitch. The position is limited, and further the hole cutting position is improved.

The following are the advantages generated by the structural design of the present invention.

The drill portion 12 of the drill bit body 10 is protruded by the forward rotation and reverse rotation of the adjustment ring 30 and the height adjustment operation at the screw pattern 13 of the drill bit body 10, and the practitioner determines the hole cutting depth. Is easy to maintain and prevents problems caused by cutting.

The adjusting ring 30 is based on the selection of the predetermined segment width by the practitioner, so that the width of the adjusting ring 30 just matches the two-tooth pitch of the tooth missing affected part, so that the drill bit body 10 is in the process of drilling holes. The adjusting ring 30 provides a cutting position guiding action, and the cutting positions coincide.

As described above, the present invention is based on the structural design of the drill bit main body 10, the nut 20 and the adjusting ring 30, and the dental handpiece is installed to cut holes in the tooth bone, and the tooth bone of the drill bit tail portion. Control cutting depth. At the same time, it guides and confirms the hole cutting position, thereby assisting in the operation of the surgery and improving the stability of the implant body. However, the structural contents of the above-described members are merely examples of the present invention and do not limit the structure of the present invention. Therefore, all modifications or changes of the same effect within the same spirit are included in the claims of the present invention. As described above, the present invention has remarkable practical characteristics, and its operational technical means and structural features are based on the research and development of the present inventors and are not yet seen in the market. Agree.

DESCRIPTION OF SYMBOLS 10 Drill bit body 11 Connection part 12 Drill part 13 Screw pattern 20 Nut 30 Adjustment ring 31 Nut installation hole 32 Screw hole

Claims (1)

In the dental handpiece structure mainly composed of drill bit body, nut and adjustment ring,
The drill bit body is a slender body, the upper end is formed with a connecting part, connected to the driving end of the dental handpiece and rotated at high speed, the bottom end is formed with a drill part, and has a drilling ability for cutting. The upper part of the drill portion is provided with a screw step, and the nut is a hexagonal nut, fixed with the screw step of the drill bit body, the adjustment ring has a predetermined segment width, and the center is a hexagonal nut. A dental handpiece characterized in that an installation hole is recessed, a nut is fitted therein, a screw hole is formed in the center of the adjustment ring, and the screw hole is fixed with a screw pattern on the drill bit body. Construction.

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