CN204169944U - artificial tooth fixer - Google Patents

Abstract

The utility model relates to an artificial tooth implantation fixer, run through and fix in the perforation of the gum that each other layered and fine and close bone, the perforation bottom forms and expands the form space, and artificial tooth implantation fixer includes at least: the artificial tooth root comprises a head part, a body part and a central through hole; wherein the body part is provided with a non-slip surface (such as a configuration of thick and thin thread sections), and the central through hole is arranged in the axial direction of the body part in a penetrating way; the lower silica gel sleeve covers the body part of the artificial tooth root and covers the bottom of the artificial tooth root; wherein, the bone cement is poured into the position which is adjacent to the head part through the central through hole, the lower silica gel sleeve is expanded to be attached to the inner wall surface of the expanded space, and then the upper silica gel sleeve covers the head part of the artificial tooth root, thereby completing the fixation of the artificial tooth root.

Description

artificial tooth fixer

technical field

The utility model relates to the technical field of artificial dental implants, in particular to an artificial dental implant fixer which uses memory metal to strengthen the fixation of compact bones.

Background technique

With the advancement of dental medical technology, at present, for severely damaged teeth, the teeth are removed surgically, and artificial tooth roots are implanted in the alveolar position of the removed teeth, and then placed on the upper end of the artificial tooth roots. An artificial crown to replace a tooth that has been removed due to damage.

Please refer to Fig. 1 and Fig. 2, the artificial tooth root 300 of the prior art is perforated in the perforation 203 of the gingiva 100 and the compact bone 200 that are laminated together, the artificial tooth root 300 has a head 301, a fine thread portion 302 and A coarse thread 303, the head 301 protrudes from one end of the fine thread part 302, the coarse thread part 303 is connected to the end of the fine thread part 302 away from the head 301, the fine thread part 302 is pierced and fixed at the perforation 203 and relatively dense bone 200, the softer spongy bone region 202, the thick thread part 303 is pierced and fixed at the perforation 203 and the hard bone region 201 of the relatively harder part of the compact bone 200, and the head 301 is inserted in the corresponding upper part of the compact bone 200 The gingiva 100 ; in actual use, the artificial tooth root of the prior art can be fixed in the compact bone 200 by virtue of its fine thread portion 302 and coarse thread portion 303 osseointegrating with bone cells.

However, only relying on the force between the fine thread portion 302 and the coarse thread portion 303 to fix the compact bone 200, it is easy to loosen for a long time, which is very inconvenient for the patient and even worse for the doctor. for bothering.

In view of this, the inventor improves on the shortcomings of the prior art, and after many years of experience in this industry, creates the utility model.

Utility model content

The utility model provides an artificial dental implant fixer, which utilizes the pouring of bone mud to expand the lower silica gel sleeve, so that the lower silica gel sleeve can be fixed against the inner wall surface of the expanded space, thereby improving the firmness of the artificial tooth root and avoiding long teeth. It is easy to loosen over time, and the lower rubber sleeve is fixed after being solidified by bone cement, which will not compress nerves or human tissues, is very safe, and has a simple structure and easy operation.

The utility model provides an artificial tooth implant fixer, which uses body temperature to change the curved shape of the shape memory alloy sheet to temporarily fix the artificial tooth root, and then uses the bone mud to open the lower silica gel sleeve, so that The lower silicone sleeve is fixed against the inner wall of the expanded space, so as to improve the firmness of the artificial tooth root and avoid the situation that it is easy to loosen after a long time. The shape memory alloy sheet and the lower rubber sleeve are solidified by the bone cement to fix the shape. It will not compress nerves or human tissue, it is very safe, and the structure is simple and easy to operate.

In order to solve the above-mentioned technical problems, the utility model provides an artificial dental implant fixture, which is fixed through and fixed in a perforation of a gingiva and a dense bone that are layered together, and an expanded space is formed at the bottom of the perforation. The artificial dental implant fixture includes at least:

An artificial tooth root includes a head, a body and a central through hole, the body has an anti-slip surface; the central through hole is pierced in the axial direction of the body; and

Push the silicone sleeve to cover the body of the artificial tooth root and cover the bottom of the artificial tooth root;

Wherein, the bone cement is poured in through the central through hole adjacent to the head, so that the lower silicone sleeve expands to stick to the inner wall of the expanded space, and then an upper silicone sleeve is used to cover the head of the artificial tooth root to Fix the artificial tooth root.

In one embodiment of the present utility model, wherein, the anti-slip surface of the body is configured by thick and thin thread sections, the fine thread section is arranged adjacent to the head, and the thick thread section and the fine thread section are far away from the head. Connected at one end.

In an embodiment of the present utility model, wherein, the front part of the body is pierced and fixed at a hard bone area located at the hard part of the compact bone at the perforation, and the rear part is pierced at the soft part of the perforation and located at the relatively soft part of the compact bone. A spongy bone region, the head is inserted at the gingiva above the compact bone.

In one embodiment of the present invention, it further includes a plug, which is set on the top of the central through hole after the bone powder is poured into the expanded space through the central through hole.

The utility model also provides an artificial dental implant fixer, which is fixed through a perforation of a gingiva and a dense bone that are connected with each other, and an expanded space is formed at the bottom of the perforation, and the artificial dental implant fixer at least includes:

An artificial tooth root includes a head, a body and a central through hole, the body has anti-slip grooves, and the central through hole is pierced in the axial direction of the body;

At least two shape-memory alloy sheets respectively extend downward from the periphery of the bottom end of the artificial tooth root, and the shape-memory alloy sheets are arranged at angular intervals from each other, and the at least two shape-memory alloy sheets are located in the expanded space ;as well as

A silicone sleeve covering the body of the artificial tooth root and the at least two memory alloy sheets;

Wherein, the at least two shape-memory alloy sheets bend outwards after encountering the temperature of the human body in the expanded space to stretch the lower silicone sleeve, and the bone paste is poured in through the central through hole adjacent to the head, so that the The lower silicone sleeve expands to stick against the inner wall of the expanded space to fix the artificial tooth root.

In one embodiment of the present utility model, wherein, the anti-slip surface of the body is configured by thick and thin thread segments; the fine thread segment is arranged adjacent to the head, and the coarse thread portion and the fine thread portion are far away from the head one end of the connection.

In the above embodiment, wherein, the coarse thread part is pierced through the perforation and a hard bone area located at the hard part of the compact bone, and the fine thread part is pierced through a sponge in the perforation and located at the soft part of the compact bone Bone region, the head is perforated at the gingiva above the compact bone.

In the above embodiment, a head plug is further included, and after the bone powder is poured into the expanded space through the central through hole, it is plugged on the top of the central through hole. The above-mentioned purposes and advantages of this creation are not difficult to obtain a deep understanding from the detailed description and accompanying drawings of the following selected embodiments.

Of course, the utility model allows some differences in some components or the arrangement of the components, but the selected embodiments are described in detail in this specification, and their structures are shown in the accompanying drawings.

Description of drawings

FIG. 1 is a schematic view of the appearance of a conventional dental implant fixture.

Fig. 2 is a schematic cross-sectional view of a conventional dental implant fixture implanted in dense bone.

Fig. 3 is an exploded schematic diagram of a first embodiment of the artificial dental implant fixture of the present invention.

Fig. 4 is a schematic cross-sectional view of the first embodiment of the artificial dental implant fixture of the present invention implanted in compact bone.

Fig. 5 is an exploded view of a second embodiment of the artificial dental implant fixture of the present invention.

Fig. 6 is a schematic cross-sectional view of the second embodiment of the artificial dental implant fixture of the present invention implanted in dense bone.

【Symbol Description】

1 artificial tooth fixer 2 artificial tooth root 21 head

22 Body 221 Fine Thread Section 222 Coarse Thread Section

23 Center through hole 3 Shape memory alloy sheet 4 Bone paste

5 head plugs 6 upper silicone sleeves 7 lower silicone sleeves

100 gums 200 compact bone 201 bony area

202 Sponge bone area 203 Perforation 204 Expanded space

300 artificial tooth root 301 head 302 fine thread

303 coarse thread.

Detailed ways

Regarding the technical means by which the utility model achieves the above-mentioned purpose, the following implementation forms are described in detail below in conjunction with the accompanying drawings.

Fig. 3 is an exploded schematic diagram of a first embodiment of the artificial dental implant fixture of the present invention. Fig. 4 is a schematic cross-sectional view of the first embodiment of the artificial dental implant fixture of the present invention implanted in dense bone.

Please refer to FIG. 3 and FIG. 4 , the artificial dental implant fixture 1 of this embodiment may include an artificial tooth root 2 and a rubber sleeve 7 .

The artificial dental implant fixture 1 of the present invention can be penetrated and fixed in a perforation 203 of a gingiva 100 and a compact bone 200 that are laminated with each other, and an expanded space 204 is formed at the bottom of the perforation 203 .

The artificial tooth root 2 can include a head 21, a body 22 and a central through hole 23, the body 22 has an anti-slip surface, and can be configured as a fine thread segment 221 and a coarse thread segment 222; wherein the fine thread segment 221 is adjacent to The head portion 21 is provided, the coarse thread portion 222 is connected to the end of the fine thread portion 221 away from the head portion 21 , and the central through hole 23 can be penetrated in the axial direction of the body portion 22 .

Furthermore, a gum 100 and a compact bone 200 that are laminated to each other penetrate a perforation 203 , the bottom of the perforation 203 is roughly an expanded space 204 , and the thick thread portion 222 can be penetrated and fixed in the perforation 203 and is located at a relatively hard part of the compact bone 200 The bony region 201 of the bone, the fine thread part 221 can be penetrated and fixed in the perforation 203 and the spongy bone region 202 where the compact bone 200 is softer, and the head 21 can be penetrated at the gingiva 100 above the compact bone 200 .

The lower silicone sleeve 7 can cover the body 22 and the bottom of the artificial tooth root 2 .

The bone cement 4 can be poured in through the central through hole 23 adjacent to the head 21, so that the lower silicone sleeve 7 expands to stick to the inner wall of the expanded space 204, and a plug 5 is first inserted into the central through hole 23 adjacent to the head 21 , and then cover the head 21 of the artificial tooth root 2 with 6 sets of silicone sleeves, and then complete the fixing of the artificial tooth root 2.

With the help of the above structure, the lower silicone sleeve is stretched by the filling of bone mud, so that the lower silicone sleeve is fixed against the inner wall of the expanded space, so as to improve the firmness of the artificial tooth root and avoid the situation that it is easy to loosen after a long time. Moreover, the lower rubber sheath is fixed in shape after being solidified by the bone cement, which does not compress nerves or human tissues, is very safe, and has a simplified structure and is easy to operate.

Fig. 5 is an exploded view of a second embodiment of the artificial dental implant fixture of the present invention. Fig. 6 is a schematic cross-sectional view of the second embodiment of the artificial dental implant fixture of the present invention implanted in dense bone.

Please refer to FIG. 5 and FIG. 6 , the artificial dental implant fixture 1 of this embodiment may include an artificial tooth root 2 , at least two shape memory alloy sheets 3 and a rubber sleeve 7 .

The artificial tooth implant fixture 1 of the present utility model can penetrate and be fixed in a perforation 203 of a gingiva 100 and a compact bone 200 that are layered together, and an expanding space 204 is formed at the bottom of the perforation 203 .

The artificial tooth root 2 can include a head 21, a body 22 and a central through hole 23, the anti-slip surface of the body 22, such as a fine thread section 221 and a coarse thread section 222, the fine thread section 221 is arranged adjacent to the head 21 , the coarse threaded portion 222 is connected to the end of the fine threaded portion 221 away from the head 21 , and the central through hole 23 can be penetrated in the axial direction of the body portion 22 .

Furthermore, a gum 100 and a compact bone 200 that are laminated to each other penetrate a perforation 203 , the bottom of the perforation 203 is roughly an expanded space 204 , and the thick thread portion 222 can be penetrated and fixed in the perforation 203 and is located at a relatively hard part of the compact bone 200 The bony region 201 of the bone, the fine thread part 221 can be penetrated and fixed in the perforation 203 and the spongy bone region 202 where the compact bone 200 is softer, and the head 21 can be penetrated at the gingiva 100 above the compact bone 200 .

The number of shape memory alloy sheets 3 is preferably two, and the utility model is illustrated with two pieces, but not limited thereto; the two shape memory alloy sheets 3 are separated from the bottom peripheral edge of the body part 22 of the artificial tooth root 2 respectively. Extending downward, and the shape memory alloy sheets 3 are arranged at an angular interval with each other, which means that the two shape memory alloy sheets 3 respectively extend downward from both sides of the bottom peripheral edge of the body 22 of the artificial tooth root 2 .

The lower silicone sleeve 7 can cover the body 22 and the bottom of the artificial tooth root 2 .

The two shape-memory alloy sheets 3 can be located in the expanded space 204, and each shape-memory alloy sheet 3 is bent outwards to expand when it encounters the temperature of the human body (about 35~36°C) in the expanded space 204 The lower silicone sleeve 7 temporarily fixes the artificial tooth root 2; the bone paste 4 is poured in through the central through hole 23 adjacent to the head 21, so that the lower silicone sleeve 7 expands to stick to the inner wall of the expanded space 24, and then Complete the fixed artificial tooth root 2.

Furthermore, the artificial dental implant fixture 1 may further include a plug 5 , which is set on the top of the central through hole 23 after the bone powder 4 is poured into the expanded space 24 through the central through hole 23 .

Wherein, an upper silicone sleeve 6 can cover the head 21 of the artificial tooth root 2 after the head plug 5 is plugged on the top of the central through hole 23 .

With the help of the above structure, the body temperature is used to change the bending shape of the shape memory alloy sheet to temporarily fix the artificial tooth root, and then the bone paste is poured in to expand the lower silicone sleeve, so that the lower silicone sleeve can stick to the expanded space The inner wall surface is fixed to improve the firmness of the artificial tooth root, avoiding the situation that it is easy to loosen after a long time, and the shape memory alloy sheet and the lower rubber sleeve are fixed after the bone cement is solidified, and will not compress the nerve or human tissue. It is very safe, and the structure is streamlined and easy to operate.

The disclosure of the above-mentioned implementation forms is used to illustrate the present utility model, not to limit the present utility model, so any change of numerical values or replacement of equivalent components should still fall within the scope of protection of the present utility model.

Claims (8)

1. An artificial dental implant fixture, characterized in that, the artificial dental implant fixture penetrates and is fixed in a perforation of a gingiva and a dense bone that are layered together, the bottom of the perforation forms an expanded space, and the artificial dental implant Dental retainers include at least: An artificial tooth root includes a head, a body and a central through hole, the body has an anti-slip surface; the central through hole is pierced in the axial direction of the body; and Push the silicone sleeve to cover the body of the artificial tooth root and cover the bottom of the artificial tooth root; Wherein, bone cement is poured into the head through the central through hole, so that the lower silicone sleeve expands to stick to the inner wall of the expanded space, and an upper silicone sleeve covers the head of the artificial tooth root to fix it. The artificial tooth root. 2. The artificial dental implant fixture according to claim 1, wherein the non-slip surface of the body is configured by thick and thin thread sections, the fine thread section is arranged adjacent to the head, and the coarse thread section It is connected with the end of the fine thread part away from the head. 3. The artificial dental implant fixture according to claim 1, wherein, the front part of the body is pierced and fixed in a hard bone area located at the perforation and the dense bone is relatively hard, and the rear part is pierced and fixed in the hard bone area. Perforated and located in a spongy bone region where the compact bone is softer, the head is inserted at the gingiva above the compact bone. 4 . The artificial dental implant fixture according to claim 1 , further comprising a plug, which is installed on the top of the central through hole after the bone powder is poured into the expanded space through the central through hole. 5 . 5. An artificial dental implant fixture is characterized in that, it penetrates and is fixed in a perforation of a gingiva and a compact bone that is laminated with each other, and an expanding space is formed at the bottom of the perforation, and the artificial dental implant fixture includes at least: An artificial tooth root includes a head, a body and a central through hole, the body has anti-slip grooves, and the central through hole is pierced in the axial direction of the body; At least two shape-memory alloy sheets respectively extend downward from the periphery of the bottom end of the artificial tooth root, and the shape-memory alloy sheets are arranged at angular intervals from each other, and the at least two shape-memory alloy sheets are located in the expanded space ;as well as A silicone sleeve covering the body of the artificial tooth root and the at least two memory alloy sheets; Wherein, the at least two shape-memory alloy sheets bend outwards after encountering the temperature of the human body in the expanded space to stretch the lower silicone sleeve, and the bone paste is poured in through the central through hole adjacent to the head, so that the The lower silicone sleeve expands to stick against the inner wall of the expanded space to fix the artificial tooth root. 6. The artificial dental implant fixture according to claim 5, wherein the non-slip surface of the body is configured by thick and thin thread segments; the fine thread segment is arranged adjacent to the head, and the coarse thread The part is connected with the end of the fine thread part away from the head. 7. The artificial tooth implant fixture according to claim 6, wherein, the coarse thread part is pierced and fixed in a hard bone area located in the perforation and is located at the hard part of the compact bone, and the fine thread part is pierced and fixed in the hard bone area. The perforation is located in a spongy bone region where the compact bone is softer, and the head is inserted at the gingiva above the compact bone. 8 . The artificial dental implant fixture according to claim 5 , further comprising a plug, which is installed on the top of the central through hole after the bone powder is poured into the expanded space through the central through hole. 9 .