CN221266328U - Implant fixing device and implant system - Google Patents

Abstract

The utility model provides a dental implant fixing device and a dental implant system. Wherein implant fixture, include: an intra-osseous implant adapted for implantation in a jawbone; a denture carrier adapted to be affixed to a denture; and a connector adapted to be secured to the endosteal implant; wherein the lower end of the connecting body is fixedly connected with the intraosseous implant by means of Morse taper, a pair of magnetic parts are arranged between the connecting body and the denture carrier, and the pair of magnetic parts are configured to attract the denture carrier and the connecting body to each other so as to keep the denture connected with the intraosseous implant. The connecting body and the intra-osseous implant are fixedly connected by the Morse taper or the fastener, so that the utility model has the advantages of high stability and convenient planting, and the connecting body and the intra-osseous implant are connected by magnetic retention, so that the utility model has the advantages of good retention effect and convenient taking and wearing of false teeth by users.

Description

Implant fixing device and implant system

Technical Field

The utility model relates to the technical field of medical dental restoration, in particular to a dental implant fixing device and a dental implant system.

Background

In the field of medical dental restoration technology, there are basically suitable denture devices or dental filling devices for the oral problems of different missing tooth patients. Among them, the removable denture has higher utilization rate and is favored by the patients with the oral cavity of the old teeth. Removable dentures are named removable dentures, including removable partial dentures and complete dentures. The prosthetic appliance is a prosthetic appliance which uses residual natural teeth, mucous membrane and bone tissue under a base as support, is retained by means of a retainer of a false tooth and the base, restores the shape and function of the missing teeth by using artificial teeth, restores the shape of defective alveolar ridges, jawbone and soft tissue around the alveolar ridges, jawbone by using a base material, and can be self-picked and worn by a patient.

The Chinese patent publication No. CN210158721U, publication No. 2020-03-20 discloses an implant body, an implant assembly and an implant assembly, in the above patent, the base station is arranged at the upper end of the joint part through a bolt, when a user chews food, dynamic changing forces with different directions and different sizes can be caused on the base station, the changing forces can also act on the bolt joint part, so that threads are loosened, the joint surface between the two is small, the base station is easy to loosen when the bolts are loosened, and the stability of a false tooth is influenced; secondly, the dental crowns in the patents are fixed on the outer side of the base in a sleeving manner, so that inconvenience is brought to the taking-out and wearing of the false teeth.

In summary, a new technical solution is needed to overcome the problems existing in the prior art.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides the implant fixing device which has a stable structure and is convenient for taking and wearing or replacing the false teeth.

On the other hand, the utility model also provides an implant system which has the advantages of stable structure and convenient taking and wearing for users.

The utility model adopts the following technical scheme: a dental implant fixture, comprising:

An intra-osseous implant adapted for implantation in a jawbone;

a denture carrier adapted to be affixed to a denture; and

A connector adapted to be secured to the endosteal implant;

Wherein the lower end of the connecting body is fixedly connected with the intraosseous implant by means of Morse taper, a pair of magnetic parts are arranged between the connecting body and the denture carrier, and the pair of magnetic parts are configured to attract the denture carrier and the connecting body to each other so as to keep the denture connected with the intraosseous implant.

Further, the pair of magnetic members includes an upper magnet embedded in the denture carrier and a lower magnet embedded in the connecting body.

Further, the connector has: a projection having an outer peripheral surface configured as a Morse taper;

the endosteal implant has: an inner peripheral surface is configured as a Morse taper concave portion;

The projection is embedded in the concave portion to fixedly connect the connecting body to the endosteal implant.

Further, the connector has: an inner peripheral surface is configured as a Morse taper concave portion;

The endosteal implant has: a projection having an outer peripheral surface configured as a Morse taper;

The projection is embedded in the concave portion to fixedly connect the connecting body to the endosteal implant.

Further, the connector is fixedly connected to the endosteal implant through a screw, and a through hole for the screw to pass through is formed in the middle of the connector.

Further, the top of the denture carrier has a catch formed extending upwardly for insertion into and retention in fixed connection with the denture.

Further, the bottom of the denture carrier has a bottom plate that cooperates with the denture carrier to define a sealed cavity for receiving the upper magnet.

Further, the Morse taper is 1-8 degrees.

Further, an implant thread is provided on the outside of the endosteal implant.

Further, the endosteal implant also has a tool positioning portion adapted for use with a tool to screw the endosteal implant.

The utility model also provides a dental implant system comprising a dental prosthesis and a dental implant fixture, the dental prosthesis being detachably secured to the dental implant fixture.

Due to the adoption of the technical scheme, the utility model has the following technical effects:

1. the implant fixing device has the advantages of stability and easy replacement, and the connection between the intra-osseous implant and the denture is realized by arranging the connector and the denture carrier, so that the stress model of the denture and the intra-osseous implant is optimized. The connecting body is connected with the intraosseous implant through Morse taper, and screw threads are not used for connection, so that the defect that in the prior art, the screw threads are easy to loosen after being stressed for a long time is overcome, and the stability of the installation of the connecting body is improved. And the denture carrier and the connecting body are attracted through the magnetic attraction component, so that the denture carrier is convenient for a user to replace after being damaged, and the replacement cost of the user is greatly reduced.

The lower end of the connector is connected with the intra-osseous implant by the Morse taper, so that the connecting surface between the connector and the intra-osseous implant is increased, the sealing performance of the connecting surface is better, and the extrusion force for tightly connecting the connector and the intra-osseous implant can be generated in the daily chewing process, so that the connector has good lateral force resistance and the stability of connection between the connector and the intra-osseous implant is enhanced; in addition, the screw can be additionally arranged between the connecting body and the bone implant for auxiliary fixation on the basis of Morse taper, so that the connection stability between the connecting body and the bone implant is further enhanced, but the screw is only auxiliary fixation, and the Morse taper is still required to be used as a main stressed object.

Meanwhile, the upper end part of the connecting body is fixedly connected with the denture carrier through the magnetic part, so that a user can conveniently take and wear the denture, and the denture can be quickly positioned by means of magnetic attraction when in wear, so that the convenience of taking and wearing the denture is improved; and when in use, the denture carrier can move relative to the connector when being subjected to larger acting force so as to protect the abutment and periodontal tissues thereof from being damaged by lateral force.

2. The utility model also provides a dental implant system, wherein the denture carrier is fixedly connected to the bottom of the denture, so that the denture can be fixedly connected to the connector in a separable way, and the magnetic parts are used for fixedly connecting, so that the dental implant system ensures the retention effect, is convenient for a user to take and wear the denture, and has the advantages of stable structure and convenient taking and wear.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present utility model and are not limiting of the present utility model.

Fig. 1 is a schematic structural view of a first embodiment of the present utility model.

Fig. 2 is a front cross-sectional view of a first embodiment of the present utility model.

Fig. 3 is a cross-sectional view of an intraosseous implant according to an embodiment of the present utility model.

Fig. 4 is an exploded view of a first embodiment of the present utility model.

Fig. 5 is a front view of a second embodiment of the present utility model.

Fig. 6 is a front cross-sectional view of a second embodiment of the present utility model.

Fig. 7 is an exploded view of a second embodiment of the present utility model.

Fig. 8 is a front cross-sectional view of another structure in the second embodiment of the present utility model.

Fig. 9 is another front cross-sectional view of a connector according to a second embodiment of the present utility model.

Fig. 10 is an exploded view of another structure of the second embodiment of the present utility model.

Reference numerals illustrate: 1-an intra-osseous implant; 11-a guide groove; 12-retention slots; 13-fixing the column; 14-a tool positioning part; 15-implantation threads; 2-denture carrier; 21-a snap-fit portion; 22-bottom groove; a 3-linker; 31-a projection; 32-a fixed groove; 33-a receiving groove; 33-top groove; 34-through holes; 4-upper magnet; 5-lower magnet; 51-cavity; 6-a screw; 7-chassis.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Unless defined otherwise, technical or scientific terms used in this patent document should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used merely to denote relative positional relationships, which may be changed accordingly when the absolute position of the object being described is changed, merely to facilitate description of the present utility model and to simplify description, and not to indicate or imply that the apparatus or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.

Example 1

Referring to fig. 1 to 4, the present utility model relates to a dental implant fixture comprising an intra-osseous implant 1, a dental prosthesis carrier 2 and a connecting body 3, wherein the intra-osseous implant 1 is adapted to be implanted in a jawbone, the dental prosthesis carrier 2 is adapted to be fixedly connected to a dental prosthesis, and the connecting body 3 is adapted to be fixedly connected to the intra-osseous implant 1; specifically, the lower end portion of the connecting body 3 is fixedly connected to the endosteal implant 1 by means of a morse taper, and a pair of magnetic parts is arranged between the connecting body 3 and the denture carrier 2, and the pair of magnetic parts is configured to attract the denture carrier 2 and the connecting body 3 to each other to maintain the connection of the denture and the endosteal implant 1.

In this embodiment, through adopting mode that Morse taper connects with connector 3 and 1 fixed connection of implant in bone, have stability high, the joint face adhesion is better, simple to operate's effect, have good anti side direction force and anti rotatory power, can reduce the impact that each side direction force that daily chewing produced led to the fact connector 3 and 1 of implant in bone, and in the user chewing in-process, the denture also can receive the extrusion force between the tooth, make connector 3 down more closely be connected with 1 of implant in bone, can not appear in the implant subassembly in as in chinese patent CN 210158721U, the bolt just needs professional instrument to screw up in the restoration once becoming flexible, otherwise can influence the problem of denture overall stability.

In addition, the connecting body 3 and the denture carrier 2 are connected by adopting paired magnetic parts, so that the retention effect of the denture carrier 2 and the connecting body 3 can be ensured, and lateral movement occurs when the denture carrier 2 receives a large acting force, so that the jawbone and the gingiva of a user are protected; for example, when a user chews food to apply force to the denture, the denture carrier 2 can move relative to the connector 3, the abutment and periodontal tissues of the denture can be protected from being damaged by lateral force, in addition, the denture carrier 2 is fixedly connected by adopting paired magnetic parts, and the denture carrier 2 is not required to be subjected to hole processing and is connected through bolts, so that the size and the number of parts of the denture carrier 2 are correspondingly reduced, foreign body sensation can be effectively reduced, and the user can feel comfortable when wearing the denture; in addition, adopt the magnetic part to fix, not only made things convenient for the user to take off the denture to when wearing, the existence of magnetic attraction also can make the user accurate and just find accurate position fast and wear the denture, made things convenient for the user to take and wear the denture, also can change impaired denture under the condition of not changing endosteal implant 1 and connector 3 simultaneously, reduced the replacement cost.

As shown in fig. 2 and 4, the pair of magnetic parts includes an upper magnet 4 and a lower magnet 5, the upper magnet 4 is embedded in the denture carrier 2, the lower magnet 5 is embedded in the connecting body 3, wherein the upper magnet 4 is a magnet, the lower magnet 5 is an armature, and the sizes of the connecting body 3 and the denture carrier 2 can be properly reduced by adopting the magnet and the armature for adsorption fixation, so that the whole device is smaller, the device can be suitable for patients with smaller interjaw distance, especially suitable for patients with a plurality of missing teeth and with a plurality of residual teeth and with a plurality of bone defects, and patients with a plurality of teeth defects which themselves require that the denture does not expose metal and is convenient to take.

The denture carrier 2 is configured into a hat-shaped structure, the top of the denture carrier 2 is provided with a buckling part 21 which is formed by extending upwards, the buckling part 21 is used for being embedded into a denture and is fixedly connected with the denture, the bottom of the denture is provided with a lower end surface which is abutted with the connecting body 3, the lower end surface is provided with a bottom groove 22 which is formed by recessing inwards, the upper magnet 4 is fixedly embedded in the bottom groove 22, the lower surface of the upper magnet 4 is slightly lower or even with the lower end surface of the bottom of the denture carrier 2, and the fixation of the denture carrier 2 and the connecting body 3 is not influenced; further, the upper magnet 4 may be fixed in the bottom groove 22 by glue, so as to ensure the connection stability of the upper magnet 4 and the denture carrier 2.

The bottom of the denture carrier 2 is provided with a bottom plate, and the bottom plate and the denture carrier jointly define a sealed cavity for accommodating the upper magnet so as to completely wrap the upper magnet to form a sealed magnetic field environment, thereby increasing the magnetic strength of the upper magnet, namely the magnet, and obtaining larger retention force; preferably, the upper magnet 4 may be a rare earth permanent magnet neodymium iron boron, the magnetic force of the permanent magnet is large, the volume of the permanent magnet can be miniaturized, and a larger retention force can be obtained, the retention force provided by the magnet 4 is 400-800gf, preferably not less than 600gf, and during the use process, a smaller number of implant fixtures are needed to retain the denture, such as: the single jaw complete mouth covered denture can obtain enough retention force by using 2-4 magnetic attachment bodies, so that the denture can obtain enough jaw force, meanwhile, the extraction of the denture is not influenced, and the user can conveniently take and wear the denture.

As shown in fig. 2 and 4, the top of the connecting body 3 has an upper end surface abutting against the lower end surface of the denture carrier 2, and the top of the upper end surface has a top groove 33 for fixedly embedding a lower magnet 5, preferably, the lower magnet 5 is an armature, and in order to ensure the stability of the armature, the armature can be fixedly connected in the top groove 33 through glue, so as to prevent the armature from falling off, and the retention force on the denture carrier 2 can be maintained; the bottom of the connecting body 3 has a projection 31 whose outer peripheral surface is configured to have a morse taper; accordingly, the endosteal implant 1 has an inner concave portion whose inner peripheral surface is configured to have a morse taper; the protrusion 31 is embedded into the concave portion to fixedly connect the connector 3 to the implant 1, and the Morse taper fixed connection is adopted, so that the implant has the effects of high stability, better adhesion of a connecting surface and convenient installation, and simultaneously has good lateral force resistance and rotation resistance, and the impact of each lateral force generated by daily chewing on the connector 3 and the implant 1 can be reduced, so that the connector 3 can be firmly fixed on the implant 1.

The Morse taper connecting taper is 1-8 degrees, so that the intra-osseous implant 1 can provide a certain retention force, the connecting body 3 can be fixedly connected to the intra-osseous implant 1, the use of the fixed connecting body 3 is reduced, the whole tooth-planting device structure is more compact, and the denture fixing convenience is improved; further, the morse taper connecting taper is 2-3.5 degrees, and in the range, the intraosseous implant 1 has the beneficial effects of providing larger retention force, having high precision, ensuring that the connecting body 3 is not easy to fall off and prolonging the service life.

Further, the inner concave part comprises a guide groove 11 and a retention groove 12, wherein the guide groove 11 is an arc-shaped guide groove, and the retention groove 12 is a Morse taper conical groove; the protruding part 31 comprises a retention cylinder with Morse taper matched with the retention groove 12 and an arc cylinder matched with the arc guide groove, when the fixing cylinder is installed, the retention cylinder is embedded into the retention groove 12 under the guidance of the arc guide groove until the arc cylinder is attached to the arc guide groove, the connection surface of the retention cylinder and the arc guide groove has better sealing performance, and the retention effect is better; in addition, the lower end surface of the connecting body 3 is further formed with an annular supporting part configured such that, when the annular supporting part abuts against the top of the endosteal implant 1, the protruding part 31 is completely embedded in the concave part to fixedly connect the connecting body 3 to the endosteal implant 1, thereby providing better support for the connecting body 3 when it is mounted, playing a role in positioning and supporting, and improving the mounting convenience.

In this embodiment, the endosteal implant 1 further has an implantation thread 15 with a tapered outer peripheral surface so as to be implanted into the jawbone and be fixed, the inner bottom of the endosteal implant 1 further has a tool positioning portion 14, the tool positioning portion 14 can be matched with a tool, the endosteal implant 1 can be implanted into the jawbone by screwing the endosteal implant 1 with the tool, preferably, the tool positioning portion 14 can be a polygonal hole such as a triangular hole or a quadrangular hole, and in this embodiment, the tool positioning portion 14 is an internal hexagonal hole and can be matched with a hexagonal wrench so as to facilitate the dentist to screw the endosteal implant 1 into the jawbone.

Example 2

As shown in fig. 5 to 10, this embodiment differs from embodiment 1 in that the connecting body 3 has an inner concave portion whose inner peripheral surface is configured to have a morse taper; the endosteal implant 1 has a projection 31 whose outer peripheral surface is configured to have a morse taper; the protrusion 31 is inserted into the concave portion to fix the connecting body 3 to the intra-osseous implant 1, and by adopting the structural design, the size can be smaller and smaller, and the device is suitable for patients with small inter-jaw distance, compared with the case of constructing the Morse taper concave portion inside the intra-osseous implant 1.

Specifically, the protruding portion 31 includes a fixed column 13 with morse taper extending upward from the top of the endosteal implant 1, and a tool positioning portion 14 located at the upper end of the fixed column 13, and the concave portion includes a fixing groove 32 adapted to the fixed column 13, and a receiving groove 33 capable of receiving the tool positioning portion 14; when in installation, the tool positioning part 14 is clamped by a tool, and the intraosseous implant 1 is screwed into a pre-drilled positioning hole in the jawbone; then align the concave part of the connecting body 3 with the convex part 31 of the intra-osseous implant 1, make the two fixedly connected together through Morse taper, preferably, the tool positioning part 14 is a polygonal column, a triangular prism, a quadrangular prism, etc., in this embodiment, the tool positioning part 14 is a hexagonal prism, the accommodating groove 33 is a hexagonal hole matched with the hexagonal prism, through this structural design, the anti-rotation force and the anti-lateral force between the intra-osseous implant 1 and the connecting body 3 can be improved, the connection retention force between the connecting body 3 and the intra-osseous implant 1 is improved, and the stability of the denture is ensured.

In this embodiment, the height of the protruding portion 31 is 1-5mm, and the morse taper is 2-3.5 °, so that the size of the protruding portion 31 can be shortened, and sufficient retention force can be provided to fix the connecting body 3, so that the volume of the intra-osseous implant 1 is smaller, and discomfort after tooth implantation of a user can be reduced.

Further, in order to improve the connection stability of the connecting body 3 and the endosteal implant 1, the connecting body 3 may be further fixedly connected to the endosteal implant 1 by using a screw 6, a through hole 34 for the screw 6 to pass through is formed in the middle of the connecting body 3, and a thread groove in threaded connection with the screw 6 is formed in the endosteal implant 1; the connection between the connecting body 3 and the intra-bone implant 1 can be more stable by adopting a mode of combining the screw 6 with the Morse taper connection; preferably, the lower magnet 5 has a cavity 51 communicating with the through hole 34, the cavity 51 can accommodate the nut of the screw 6, and by adopting the design of this structure, the disassembly and assembly of the screw 6 are not affected even if the lower magnet 5 is not removed, so that the convenience of implant is improved.

It should be noted that, the top of the screw 6 has a hexagonal hole, and the outer surface of the nut is configured into a cylinder, which can be attached to the cavity 51 of the lower magnet 5, and meanwhile, the embedding of the tool wrench is not affected, and when the screw 6 is used for fixing, the upper end surface of the screw 6 is lower than or level with the upper end surface of the lower magnet 5, so that the screw 6 is prevented from protruding to affect the fixing of the denture carrier 2 and the connector 3.

The utility model also provides a dental implant system which comprises a dental implant and the dental implant fixing device, wherein a dental implant carrier is fixedly connected to the bottom of the dental implant, so that the dental implant can be detachably arranged on a connecting body, and the dental implant is fixedly connected by adopting a magnetic part, so that the dental implant fixing device is convenient for a user to take and wear the dental implant while the retention effect is ensured.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (11)

1. A dental implant fixture, comprising:

An intra-osseous implant adapted for implantation in a jawbone;

a denture carrier adapted to be affixed to a denture; and

A connector adapted to be secured to the endosteal implant;

Wherein the lower end of the connecting body is fixedly connected with the intraosseous implant by means of Morse taper, a pair of magnetic parts are arranged between the connecting body and the denture carrier, and the pair of magnetic parts are configured to attract the denture carrier and the connecting body to each other so as to keep the denture connected with the intraosseous implant.

2. The dental implant fixture of claim 1, wherein the pair of magnetic members includes an upper magnet and a lower magnet, the upper magnet being embedded within the denture carrier and the lower magnet being embedded in the connector.

3. The dental implant fixture of claim 1 or 2, wherein the connecting body has: a projection having an outer peripheral surface configured as a Morse taper;

the endosteal implant has: an inner peripheral surface is configured as a Morse taper concave portion;

The projection is embedded in the inner recess to secure the connector to the endosteal implant.

4. The dental implant fixture of claim 1 or 2, wherein the connecting body has: an inner peripheral surface is configured as a Morse taper concave portion;

The endosteal implant has: a projection having an outer peripheral surface configured as a Morse taper;

The projection is embedded in the concave portion to fixedly connect the connecting body to the endosteal implant.

5. The implant fixture according to claim 1 or 2, wherein the connection body is fixedly connected to the endosteal implant by a screw, and a through hole through which the screw passes is formed in a middle portion of the connection body.

6. The implant fixture of claim 2, wherein the top portion of the denture carrier has an upwardly extending catch for insertion into and retention in fixed connection with the denture.

7. The dental implant fixture of claim 2 wherein the bottom of the denture carrier has a bottom tray, the bottom tray and the denture carrier together defining a sealed cavity for receiving the upper magnet.

8. The dental implant fixture of claim 1, wherein the morse taper is 1-8 °.

9. The dental implant fixture of claim 1, wherein the implant is externally provided with an implant thread.

10. The dental implant fixture of claim 1, wherein the intra-osseous implant has a tool positioning part adapted for use with a tool for screwing the intra-osseous implant.

11. A dental implant system comprising a dental prosthesis and a dental implant fixture, wherein the dental implant fixture is a dental implant fixture according to any one of claims 1 to 10, the dental prosthesis being detachably secured to the dental implant fixture.