TWI391127B - Implant surgical guide apparatus - Google Patents

Description

Dental implant guide

The present invention relates to a dental implant guiding device, and more particularly to a dental implant guiding device that does not require a hand.

The technology of artificial implants has been around for 50 years and has a very good success rate. In today's increasingly aging society, dental implant technology is an important invention for the elderly to care for the quality of life.

The symptoms of missing teeth will not only occur in the elderly population, but also in many young people with missing teeth. According to statistics, Taiwan’s population over 12 years old, that is, 47% of the population have missing teeth. . The treatment of missing teeth has a movable denture, that is, a denture. According to the study, about 80% of active denture patients have dissatisfaction with the active dentures used, such as large foreign body sensation, inconvenient socialization, poor pronunciation, and even Can cause gum pain...etc.

The technique of artificial dental implants can provide improvements for these shortcomings and also has the effect of oral beauty. Artificial implants are implanted with a titanium metal artificial root into the upper and lower tibia, so that the bone tissue and the implanted implant produce so-called osseointegration, and then the dental patch is placed over the healing artificial root. Compared with traditional active dentures, the stability is better and the patient's acceptance is higher.

The dental implant technology process also needs to accurately measure and plan the position and angle of the implant, and make different dental guides and guide holes for each patient. Through the implant surgery, the doctor will guide through this process. The hole is implanted with an artificial root.

However, in the current dental implant technology, in the process of drilling, the physician must hold a movable sleeve with a single hand and maintain it in the fixed sleeve 110 of the guiding template 100, and use the other hand to carry out the drill bit. operating. As shown in the first figure, the prior art uses a single hand to hold a movable sleeve 120, which may affect the drilling operation of the physician, and it is also inconvenient to take other dental instruments, and the drilling position is in the posterior region. , the surgery will be quite difficult to perform and the operation is inconvenient.

The present invention provides a dental implant guiding device for a dental implant template, the dental implant template is sleeved on the upper or lower row of teeth, mucosa or alveolar bone, and the dental implant template has a plurality of a perforation, the dental implant guiding device comprising a plurality of movable sleeves and at least one connector.

Each movable sleeve has a hand-held end and a sleeve end; the hand-held end has at least one positioning portion; the sleeve end is connected to the hand-held end, and the sleeve end has a set of joints for being sleeved on the dental implant template In the perforations, the connector connects the movable sleeves through the positioning portions.

The sleeves of the movable sleeves have different heights, and when the sleeve ends of the plurality of movable sleeves are placed in different perforations of the dental implant template, since the sleeve ends have different heights, a plurality of movable sleeves When the connection is made, the hand ends can be overlapped with each other without causing the sleeve end to shift or rotate in the perforations.

The inner side of the sleeve end has a stop to provide a stop function to control the drilling depth.

One side of the sleeve end can have an opening, and the drill bit used by the physician can enter the sleeve end in a lateral manner to avoid the insertion of the drill bit due to the height of the movable sleeve.

The at least one positioning portion of the hand-held end can provide the physician with different angles and length combinations at different connection positions, so that the physician can more flexibly use the movable sleeve. Whether or not a connector is used or multiple connectors are used, the movable sleeves can be connected.

The dental implant guiding device provided by the invention connects a plurality of movable sleeves, so that during the drilling process of the driller, the movable sleeves can mutually resist rotation, so that the doctor can conveniently perform the operation and make the drilling process More stable. The dental implant guiding device provided by the invention does not need a hand-held movable sleeve design, and uses a connector to fix a plurality of movable sleeves and is mounted on the perforations of the dental implant guide plates, so that multiple drilling holes can be fixed at the same time. The position, and without the need for a physician to hold, is conducive to the smooth operation of the surgery, reducing the pain of the patient during the operation.

The advantages and spirit of the present invention, as well as the more detailed embodiments, can be further understood from the following embodiments and the accompanying drawings.

Please refer to the second figure, which is a schematic diagram of the dental implant guiding device of the present invention. The dental implant guiding device 200 of the present invention is used for a dental implant template 300, which is set on the upper or lower row of teeth, mucous membrane or The dental implant template 300 has a plurality of perforations 310 corresponding to the missing teeth, and the dental implant guiding device 200 includes a plurality of movable sleeves 210 and at least one connector 220.

Referring to the third figure, the third figure is a schematic diagram of the assembly of the dental implant guiding device of the present invention. Each movable sleeve 210 has a hand-held end 211 and a sleeve end 212. The hand-held end 211 has at least one positioning portion 2111; The end 212 is connected to the hand-held end 211. The sleeve end has a set of joints for being sleeved in the through hole 310 of the dental implant template 300. The connector 220 transmits the two or more movable sleeves 210 through the positioning portions 2111. The connection is made, of course, the movable sleeve 210 can be the same size or different size, and the movable sleeve 210 can be made of stainless steel or a material that is biocompatible.

Please refer to the fourth figure, which is a schematic diagram of the positioning portion of the dental implant guiding device of the present invention. The positioning portion can be designed as the positioning hole 2112 as shown in the above figure, or can be designed as the engaging groove 2113 as shown in the following figure.

Please refer to the fifth figure, which is a schematic diagram of the dental implant guiding device connector 220 of the present invention. The connector 220 has an upper end portion 221, an upper end portion 223 spaced apart from the upper end portion 221, and a connecting upper end portion 221 and a lower end. The connecting portion 222 of the portion 223. If the positioning portion 2111 is designed as the positioning hole 2112, the upper and lower end portions 221, 223 of the connector 220 may be tapered or semi-spherical (not shown) as shown in the fourth figure, and the upper and lower ends 221 of the connector 220, The diameter of the 223 is larger than the diameter of the connecting portion 222, that is, the shape of the connector 220 is similar to the shape of a dumbbell, so that the connecting portion 222 can be easily inserted into the positioning hole 2112, and when the drill bit is actuated, the movable sleeve 210 is connected to each other. Not easy to get rid of. Preferably, the connector 220 is made of an elastic material, such as rubber or silicone. When the two movable sleeves 210 are to be connected together, the positioning holes 2112 of the two movable sleeves 210 are first selected and connected. After the position is overlapped, the lower end portion 223 of the connector 220 is deformed by applying a pressure, and the connector 220 is pushed to pass the lower end portion 223 through the positioning holes 2112 of the connecting sleeves which are overlapped with each other. The portion 223 can be restored to its original shape, so that the movable sleeves 210 can be connected to the connector 220 by the positioning holes 2112, and the connector 220 is not easily detached from the positioning holes 2112. If the positioning portion 2111 is designed as the engaging groove 2113, the shapes of the upper and lower end portions 221, 223 of the connector 220 need not be tapered or semi-spherical, and the connector 220 directly laterally snaps into the overlapping engaging grooves 2113. In order to facilitate the connection of the movable sleeves 210 through the engaging grooves 2113.

In addition, the sixth figure discloses another embodiment of the connector 220b. The connector 220b has a first connecting member 224 and a second connecting member 225. The first connecting member 224 and the second connecting member 225 can be connected by one of magnetic force, snapping, snapping, bonding, screwing or a combination thereof.

For example, the first connecting member 224 has a convex portion 2241, and the second connecting member 225 has a concave portion 2251 corresponding to the convex portion 2241. The movable portion 2241 and the concave portion 2251 are combined, and each movable sleeve 210 can also be performed. connection. In addition, the first connecting member 224 and the second connecting member 225 may also be magnetic elements, and the first connecting member 224 and the second connecting member 225 are engaged by magnetic force. Of course, at this time, the upper and lower ends of the connector 220b need not be limited to be tapered or hemispherical. It should be noted that the embodiment is merely illustrative and not limited thereto.

Referring to the seventh embodiment, which is a schematic view of another embodiment of the connector 220a of the dental implant guiding device of the present invention, the connector 220a also has an upper end portion 221a, an end portion 223a spaced apart from the upper end portion 221a, and A connecting portion 222a connecting the upper end portion 221a and the lower end portion 223a. The connector 220a has a substantially nail-like shape, the lower end portion 223a has a diameter equal to the diameter of the connecting portion 222a, and can be inserted or laterally inserted into the positioning portion 2111 of the hand-held end 211, and the diameter of the upper end portion 221a is larger than the diameter of the connecting portion 222a. And cannot pass or laterally snap into the positioning portion 2111. The lower end portion 223a may be, but not limited to, a tapered or semi-spherical shape, and the upper end portion 221a may be, but not limited to, a cylindrical or semi-spherical shape, and the material of the connector 220a may be an elastic material or a rigid material. The lower end portion 223a of the connector 220a can directly pass through the overlapping positioning holes 2112, so that the movable sleeves 210 are connected by the positioning holes 2112.

In addition, please refer to the eighth figure, which is a schematic view of the sleeve end 212 of the dental implant guiding device of the present invention. The sleeve ends 212 respectively have a set of joints 212a, 212b, 212c, and the sleeve portion shown in the figure. 212a, 212b, 212c represent sleeves of different heights; when the sleeve ends 212 of the plurality of movable sleeves 210 are placed in different perforations 310 of the implant template 300, because of the sleeves 212a, 212b of the sleeve ends 212, The height of the 212c is different. Therefore, when the movable sleeve 210 is connected, the handheld ends 211 can be stacked on each other and connected by the connectors 220, 220a, 220b without the depth of the sleeve end 212 being fitted into the through hole 310. The disadvantage of skewing or falling off.

The inner ends of the sleeve ends 212 further have a stop portion 213a, 213b, 213c, and the stop portions 213a, 213b, and 213c are designed as a layer. Preferably, the stop portions 213a, 213b, The height of the 213c is different, so when drilling, a bit stop function can be provided to control the drilling depth.

In addition, the sleeve end 212 can be a C-shaped opening design, that is, one side of the sleeve end 212 can have an opening, and the drill bit used by the physician can enter the sleeve end in a lateral direction to avoid the movable sleeve. 210 height affects the placement of the drill bit.

When two or more movable sleeves 210 are placed in the perforations 310 at different positions on the guiding template 300, because the different positions of the perforations 310 have different heights, the height of the movable sleeves 210 may be different. The connectors 220, 220a, 220b may be made of a flexible material. Preferably, the flexible material may be rubber or silicone to eliminate the difference between the movable sleeves 210. Please refer to the ninth figure, which is a schematic diagram of the connection position of the movable sleeve 210 of the dental implant guiding device of the present invention. The plurality of positioning portions 2111 of the handheld end 211 of the movable sleeve 210 can provide the doctor with different angles and length combinations at different connection positions. The choice makes the physician more flexible in using the movable sleeve 210.

Please refer to the tenth and eleventh drawings, which are schematic diagrams showing the connection of a plurality of movable sleeves 210 of the dental implant guiding device of the present invention, whether the movable sleeves 210 are used by a connector 220, 220a, 220b. The connection is made, or the movable sleeves 210 are connected by a plurality of connectors 220, 220a, 220b, and the effect of connecting a plurality of movable sleeves 210 can be achieved.

The dental implant guiding device provided by the invention connects a plurality of movable sleeves, so that during the drilling process of the driller, the movable sleeves can mutually resist rotation, so that the doctor can conveniently perform the operation and make the drilling process More stable. The dental implant guiding device provided by the invention does not need a hand-held movable sleeve design, and uses a connector to fix a plurality of movable sleeves and is mounted on the perforations of the dental implant guide plates, so that the plurality of drills can be erected at the same time The position of the hole and the need for the doctor to hold it facilitates the smoothness of the operation, reduces the pain suffered by the patient during the operation, and is more helpful for the operation when the surgical position is located in the posterior region.

The present invention has been described above by way of a preferred example, and it is not intended to limit the spirit of the invention and the inventive subject matter. Those skilled in the art can easily understand and utilize other components or means to produce the same effect. Modifications made within the spirit and scope of the invention are intended to be included within the scope of the appended claims.

200. . . Guide device

120, 210. . . Movable sleeve

211. . . Handheld

2111. . . Positioning department

2112. . . Positioning hole

2113. . . Engagement slot

212. . . Sleeve end

212a, 212b, 212c. . . Fitting

213a, 213b, 213c. . . Stop

220, 220a, 220b. . . Connector

221, 221a. . . Upper end

222, 222a. . . Connection

223, 223a. . . Lower end

224. . . First connector

2241. . . Convex

225. . . Second connector

2251. . . Concave

100, 300. . . Dental implant template

110, 310. . . perforation

The above and many of the advantages of the invention will be readily apparent from the following detailed description,

First: a schematic diagram of a conventional technique for holding a movable sleeve using a single hand;

Second: a schematic view of the dental implant guiding device of the present invention;

Third: a schematic view of the combination of the dental implant guiding device of the present invention;

Fourth: a schematic view of a positioning portion of the dental implant guiding device of the present invention;

Figure 5 is a schematic view of the connector of the dental implant guiding device of the present invention;

Figure 6 is a schematic view showing another embodiment of the connector of the dental implant guiding device of the present invention;

Figure 7 is a schematic view showing another embodiment of the connector of the dental implant guiding device of the present invention;

Figure 8 is a schematic view of the sleeve end of the dental implant guiding device of the present invention;

Figure 9 is a schematic view showing the connection position of the movable sleeve of the dental implant guiding device of the present invention;

Fig. 11 and Fig. 11 are schematic views showing the connection of a plurality of movable sleeves of the dental implant guiding device of the present invention.

200. . . Guide device

210. . . Movable sleeve

2111. . . Positioning department

220. . . Connector

300. . . Dental implant template

310. . . perforation

Claims (12)

A dental implant guiding device is used for a dental implant template, the dental implant template is sleeved on the tooth, the mucous membrane or the alveolar bone, and the dental implant template has a plurality of perforations, and the dental implant guiding device comprises: a plurality of a movable sleeve, the movable sleeve comprises: a hand-held end having at least one positioning portion; and a sleeve end connected to the hand-held end, the sleeve end having a set of joints for being sleeved on the implant One of the templates is perforated; and at least one connector is connected to the movable sleeves through the positioning portions. The dental implant guiding device of claim 1, wherein the at least one positioning portion is a positioning hole or an engaging groove. The dental implant guiding device of claim 1, wherein the at least one connector has an upper end portion, an end portion spaced apart from the upper end portion, and a connecting portion connecting the upper end portion and the lower end portion. The dental implant guiding device according to claim 3, wherein the upper end portion and the lower end portion of the connector have diameters larger than a diameter of the connecting portion. The dental implant guiding device according to claim 3, wherein the lower end of the connector has a diameter equal to the diameter of the connecting portion and can be inserted into the positioning portion through or laterally, and the diameter of the upper end portion is larger than the connecting portion. The diameter does not pass or laterally snap into the positioning portion. The dental implant guiding device of claim 3, 4 or 5, wherein the connector is constructed of an elastic material. The dental implant guiding device of claim 6, wherein the elastic material is rubber or silicone. The dental implant guiding device of claim 1, wherein the connector has a first connecting member and a second connecting member, wherein the first connecting member and the second connecting member are magnetically coupled, One of a snap, a bond, a screw, or a combination thereof is connected. The dental implant guiding device of claim 1, wherein the sleeves of the movable sleeves have different heights. The dental implant guiding device of claim 1, wherein the inner side of the sleeve end has a stop portion. The dental implant guiding device of claim 1, wherein the sleeve end is designed as a C-shaped opening. The dental implant guiding device of claim 1, wherein the movable sleeve is made of stainless steel or a material that is biocompatible.