TWM447758U - Dental implant assembly - Google Patents

Description

Dental implant assembly

This creation is related to artificial implants, and more specifically, an implant assembly that has excellent joint reliability between components and prevents relative rotation between the components.

According to the conventional implant system, the pedestal is composed of a seat, an implant and a locking bolt; wherein the pedestal is a hollow tubular body, the upper part is provided with a denture, and the lower part is inserted in the lower part. Inside the groove in the top surface of the implant, after the locking bolt penetrates the pedestal, the screw is directly screwed into the threaded hole in the groove of the implant body, and the pedestal and the implant are locked and connected. Integral, and the implant system is screwed into the alveolar bone to complete the operation.

However, after the chewing food accumulates for a period of time, the outer peripheral surface of the denture and the pedestal are affected by the external force and the design of the joint member of the contact surface of the two is poor, which may cause the denture to loosen, rotate or partially split from the pedestal. Damaged, however, this split denture is only removed one way, and it is impossible to restore the original function by re-creating a new denture. In other words, the aforementioned dental implant assembly still has its shortcomings and needs to be improved.

The main purpose of the present invention is to provide an implant assembly having excellent joint reliability between members and preventing relative rotation between the members.

This creation is for the purpose of achieving one or a part or all of the above or other purposes. The utility model relates to a dental implant assembly for artificial dental implants, which mainly comprises a planting unit, has a fixed fixing portion for fixing on the alveolar bone, and a denture fixing portion is connected to the pile fixing portion, the denture The fixing portion has a plurality of grooves; a denture unit has a planting sleeve sleeve attached to the denture fixing portion of the planting unit, and the plurality of inner protrusions correspondingly engage the grooves of the planting unit.

Therefore, the creative design of the denture fixing portion of the implant unit and the correspondingly shaped and shaped member between the protrusions of the denture unit provides excellent coupling reliability between the members. It has the advantage of preventing relative rotation between the denture unit and each member.

According to the above, this creation is a kind of practical and progressive creation. In order to make the members of the bureau fully understand the effect of this creation, the structure and composition of the creation are described in conjunction with the drawings and drawings. The description is only for the purpose of explaining the embodiment of the creation, and is not intended to impose any form limitation on the creation. Therefore, any modification made in the spirit of the creation should still belong to the protection scope of the creation.

In order to explain the structure, features and functions of the present invention in detail, the following preferred embodiments are described below with reference to the drawings.

Referring to the first to fourth figures, a dental implant assembly according to a preferred embodiment of the present invention comprises a planting unit (3) and a denture unit (7), wherein: the planting unit (3) comprises There is: a pile (30), the pile (30) is a cylinder, the pile (30) has a pile fixing portion (31) on the surface thereof, and the pile fixing portion (31) is threaded for fixing Alveolar bone (10) Inside, the base pile (30) has a counterbore (33) at one end, and the hole extends inward to form a step having an inner screw hole (35).

a planting member (40) having a hole extending from one end surface to the other end surface, wherein the planting member (40) has a pile portion (41) and an annular surface at one end. The end of the planting member (40) has a bolt hole (42), and the pile portion (41) is inserted into the counterbore (33) of the pile (30); the planting member (40) has a The extension portion (47) has an annular surface at the other end, and the annular mask of the other end of the planting member (40) has a through hole (48), and the through hole (48) has a larger aperture than the aperture of the bolt hole (42), wherein the bolt hole (42) and a through hole (48) formed in the pile portion (41) and the denture fixing portion (45); the planting member (40) has a denture fixing portion (45) attached to the pile fixing portion (31) The outer peripheral surface of the denture fixing portion (45) has three grooves (46), the grooves (46) are axially disposed, and a cross section between the two grooves (46) is curved and curved. The other side of the cross section is concavely curved; the planting member (40) further has a flange (43) between the pile portion (41) and the denture fixing portion (45), and a hole shoulder (49) ) is located between the bolt hole (42) and the through hole (48).

a bolt (50) having an external thread (51) and a bolt head (53) threaded through the bolt hole (42) of the plant member (40) The screw hole (35) of the base pile (30) is further abutted against the hole shoulder (49) to lock and connect the planting member (40) and the foundation pile (30) into one body.

The denture unit (7) includes a crown (80) having a planting sleeve (81) sleeved on the denture fixing portion (45) of the planting unit (3), and the denture The fixing portion (45) is for receiving the crown (80) of the denture unit (7); the planting sleeve portion (81) of the crown (80) is in contact with the outer peripheral surface of the denture fixing portion (45), That is, the implant sleeve portion (81) of the crown (80) has a corresponding number of inner protrusions (83) corresponding to the recesses (46) of the denture fixing portion (45) of the implant member (40) and is form-fittingly engaged. With anti-dental unit (7) The crown (80) further has an extension hole (85) communicating with the plant cover portion (81) to the top surface of the crown (80), and on the other hand for the extension of the plant member (40) ( 47) Fix it again. On the one hand, it can be used for the bolt (50). When the installation is completed, the extension hole (85) of the crown (80) can be filled up.

Since the inner protrusion (83) of the crown (80) of the denture unit (7) is fully engaged with the groove (46) of the planting member (40) of the planting unit (3), it can be more effective and Permanently preventing the rotation of the denture unit (7) relative to the planting unit (3) greatly reduces the situation in which the denture unit (7) is easily detached due to rotation. In addition, the groove (46) of the planting member (40) is symmetrically disposed on the left and right sides, and the groove (46) is provided on both sides of the axis of symmetry without the groove (46), and the denture unit can be further prevented ( 7) Install the wrong angle of fashion.

In addition to the above examples, as shown in the fifth to seventh embodiments, the present invention further provides another preferred embodiment for preventing the rotation of the denture, which is substantially the same as the foregoing embodiment, and the difference is that the total implant is a planting member (40) of the planting unit (3), wherein the denture fixing portion (45) of the planting member (40) extends axially completely from the flange (43) to the through hole (48) port, The plurality of grooves (46) of the denture fixing portion (45) are also axially disposed longer, instead of the extension portion (47) of the implant member (40), the groove (46) provides more contact area. In order to prevent the denture unit (7) from rotating relative to the planting unit (3).

In addition, as shown in the eighth figure, the present invention provides another embodiment for better preventing the rotation of the denture, which is substantially the same as the foregoing embodiment, and the difference is that the denture unit (7) has a tooth holder (70). The socket (70) has a sleeve (77) having a sleeve (87) sleeved to the sleeve (77) of the socket (70); the tooth The seat (70) has a planting sleeve portion (71) sleeved on the denture fixing portion (45) of the planting unit (3), and the socket (70) is located at the crown (80) and the planting unit ( 3) The socket (70) is in contact with the outer peripheral surface of the denture fixing portion (45), and the contact surface has a plurality of inner protrusions (73) corresponding to the planting member ( 40) The groove (46) of the denture fixing portion (45) is positively engaged and prevents the denture unit (7) from rotating relative to the planting unit (3).

Furthermore, as shown in the ninth figure, the present invention further provides another preferred embodiment for preventing the rotation of the denture, and the main difference from the foregoing embodiment is that the planting unit (3) of the dental implant assembly is integrated. Formed and fixed in the alveolar bone (10), and the outer peripheral surface of the solid tooth portion of the planting unit (3) also has a plurality of grooves (46) and a bump inside the crown (80) ( 83) engaging each other and preventing the denture unit (7) from rotating relative to the planting unit (3).

The number of the bumps in the groove and the denture unit of the presenting unit may be two, three, four, five, six, seven, eight or more.

In summary, after the foregoing embodiments and the descriptions, the implant assembly of the present invention can be understood that the grooves of the implant unit and the protrusions of the denture unit correspond to each other and are form-fitted and engaged. It is indeed possible to achieve the advantage of preventing the rotation of the denture unit relative to the planting unit.

Finally, it must be stated that the constituent elements disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the present invention. The substitution or variation of other equivalent elements should also be the scope of the patent application of the present application. Covering, arbitrarily filing a patent application in accordance with the law, and asking the bureau to approve the patent as soon as possible, it is really sensible.

(3) ‧‧‧planting unit

(7)‧‧‧ denture unit

(10)‧‧‧ alveolar bone

(30) ‧‧‧ piles

(31)‧‧‧Pile fixing

(33)‧‧‧Sinking

(35)‧‧‧Inner hole

(40) ‧‧ ‧planting

(41) ‧‧‧Pile

(42)‧‧‧Bolt holes

(43) ‧‧‧Flange

(45) ‧ ‧ denture fixation

(46) ‧‧‧ Groove

(47) ‧‧‧Extensions

(48)‧‧‧through holes

(49)‧‧‧Shoulder

(50)‧‧‧ bolts

(51)‧‧‧ External thread

(53) ‧ ‧ ‧ head

(70)‧‧‧牙座

(71) ‧‧ ‧plant parts

(73) ‧ ‧ inner bumps

(77)‧‧‧ Sockets

(80)‧‧‧ crown

(81) ‧‧ ‧plant kit

(83) ‧ ‧ inner bumps

(85) ‧‧‧Extended holes

(87) ‧‧‧ Sockets

The first figure is a schematic cross-sectional view of a preferred embodiment of the present invention.

The second figure is a cross-sectional view taken along the line 2-2 in the first figure.

The third drawing is a perspective exploded view of a preferred embodiment of the present invention.

The fourth figure is a planar exploded view of a preferred embodiment of the present invention.

The fifth drawing is a schematic cross-sectional view of another preferred embodiment of the present invention.

Figure 6 is a perspective exploded view of another preferred embodiment of the present invention.

Figure 7 is a plan exploded view of another preferred embodiment of the present invention.

The eighth drawing is a schematic cross-sectional view of a further preferred embodiment of the present invention.

The ninth drawing is a schematic cross-sectional view of a further preferred embodiment of the present invention.

(3) ‧‧‧planting unit

(30) ‧‧‧ piles

(33)‧‧‧Sinking

(40) ‧‧ ‧planting

(41) ‧‧‧Pile

(43) ‧‧‧Flange

(45) ‧ ‧ denture fixation

(46) ‧‧‧ Groove

(47) ‧‧‧Extensions

(48)‧‧‧through holes

(50)‧‧‧ bolts

Claims (10)

The dental implant assembly comprises: a planting unit having a fixing portion for fixing to the alveolar bone, and a denture fixing portion connected to the pile fixing portion, the denture fixing portion having a plurality of grooves; A denture unit has a planting sleeve sleeve attached to the denture fixing portion of the planting unit, and a plurality of inner lugs correspondingly engage the recesses of the planting unit to prevent the denture unit from rotating relative to the planting unit. The dental implant assembly of claim 1, wherein the planting unit has a pile, and a planting member is attached to the pile at a pile; the pile fixing portion is attached to the base The pile, the denture fixing portion is attached to the planting member. The dental implant assembly of claim 2, wherein the base of the planting unit has an inner screw hole, the planting member has a bolt hole, and the planting unit has a bolt for piercing the planting member. The hole is bolted and screwed into the screw hole of the pile. The dental implant assembly of claim 3, wherein the implant unit of the planting unit further has a through hole communicating with the bolt hole and forming a hole shoulder. The dental implant assembly of claim 2, wherein the foundation pile of the planting unit has a counterbore, and the pile portion of the planting member is inserted into the counterbore of the foundation pile. The dental implant assembly of claim 2, wherein the implant unit of the planting unit has a flange between the pile portion and the denture fixing portion. The implant assembly of claim 1, wherein the implant unit has an extension connected to the denture fixing portion, and the denture unit has an extension hole for inserting the extension of the planting unit. The dental implant assembly of claim 1, wherein the dental implant The unit has a crown, and the planting sleeve is disposed on the crown, and the crown has a plurality of inner protrusions corresponding to the grooves of the planting unit. The dental implant assembly of claim 1, wherein the dental unit has a socket and a crown attached to the socket, the implant sleeve being disposed on the socket, the socket having a plurality of teeth The inner bumps correspond to the respective grooves of the planting unit. The dental implant assembly of claim 1, wherein the recess of the denture fixing portion of the implanting unit is axially disposed.