CN220158427U - Maxillary bone supporting type osseous arch expanding device - Google Patents

Abstract

The utility model discloses a maxillary bone supporting type osseous arch expanding device which comprises a rotary drum, wherein contact blocks are fixed on the outer side of the rotary drum, the two ends of the inner side of the rotary drum are meshed and fixed with threaded shafts, the outer sides of two groups of threaded shafts are fixedly connected with rotary rods, the rotary rods are arranged in the push drum, side blocks are arranged on two sides of the push drum, side grooves are formed in the middle of the side blocks, the outer sides of the push drum are fixedly connected with connecting drums, the connecting drums are fixedly connected with the outer sides of hollow side drums, inner grooves are formed in the upper end and the lower end of the side drums, moving rods are sleeved at the two ends of the inner sides of the side drums, the push drum provided with annular grooves are pushed to move through two groups of clamping ring structures on the rotary rods, the side drums, the moving rods and the corner blocks are further pushed to move to two sides to reach a specified distance, and the connecting bolts of each group are fixedly connected, and the supporting nails are fixedly connected in holes on the rotary rods and fixed with the maxillary bones, so that the maxillary bone supporting device has the effects of quick adjustment and stable connection and is suitable for different patients.

Description

Maxillary bone supporting type osseous arch expanding device

Technical Field

The utility model relates to the technical field of orthodontic treatment, in particular to a maxillary bone supporting type bone expansion device.

Background

In orthodontic treatment, the width of the maxillary dental arch is usually required to be expanded, and the existing arch expanding modes are mainly divided into a dental arch expanding mode and a bone arch expanding mode. The dental arch expander generally enables the cheek tongue of the maxillary posterior teeth to move obliquely, so that the purpose of expansion is achieved, and a palate center seam between the bilateral maxillary bones cannot be opened; the bone expansion refers to that the palatine suture between the two side maxillas is opened to two sides, and bone tissue is formed by stretching, so that the true growth of the width of the maxilla is achieved.

The transverse distance of the MSE expander used clinically is usually larger, so that the placement of the expander in the treatment process is influenced for patients with serious maxillary dental arch stenosis, and the poor placement position influences the effect of the expander treatment.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the maxillary bone supported bone arch expanding device, by arranging a plurality of groups of structures with power transmission, when the device is used, a contact block can be rotated by a specific tool, the contact block drives a rotary drum and a threaded shaft to rotate, and then the push drum is pushed to two sides, the push drum provided with an annular groove is pushed to move by two groups of clamping ring structures on a rotating rod, and then the side drum, a moving rod and the corner block are pushed to move to two sides to reach a specified distance, all groups of connecting bolts are connected and fixed, the anchor is fixed in a hole ring on the deflecting rod and fixed with a maxillary bone, positioning blocks at four corners can be connected and fixed with external MSE auxiliary instruments, so that the effect of connection is achieved, and the four corners have a combined structure with the adjusting function in cooperation with the positioning block structures, so that the device has the effects of quick adjustment and stable connection, and is suitable for different patients.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a bone nature of maxilla bone support expands bow device, includes the rotary drum, the outside of rotary drum is fixed with the contact block, the inboard both ends of rotary drum all are fixed with the screw thread axle meshing, two sets of the outside of screw thread axle all with bull stick fixed connection, the bull stick sets up in the push away section of thick bamboo, the both sides of push away section of thick bamboo all are provided with the limit piece, the limit groove has all been seted up at the middle part of limit piece, the outside and the connecting cylinder fixed connection of push away section of thick bamboo, the outside fixed connection of connecting cylinder and hollow side section of thick bamboo, the inside groove has all been seted up at the upper and lower both ends of side section of thick bamboo, the inboard both ends of side section of thick bamboo all overlap and are equipped with the movable rod, the locating hole has been seted up on the top of movable rod, carry out fastening connection through connecting bolt and nut between inside groove and the locating hole, every set of movable rod's inboard all with hollow female piece fixed connection, be provided with the sub-block between the female piece of upper and lower both ends, be provided with the corner block on the inside wall of female piece, corner block and deflection lever activity setting, the other end passes through connecting bolt and fixing groove and limit; and the middle part of each group of deflection rods is provided with a hole ring.

As a preferable technical scheme of the utility model, a thread structure is arranged on the inner side of the rotary drum, the contact block is of a hollow polygonal structure, and clamping rings are arranged at the front end and the rear end of the rotary rod.

As a preferable technical scheme of the utility model, the middle part of each group of the mother blocks is provided with an inner groove, both ends of each sub block are provided with positioning holes, and the inner grooves on the mother blocks are fixedly connected with the positioning holes on the sub blocks through connecting bolts and nuts.

As a preferable technical scheme of the utility model, the outer side of each group of movable rods is fixedly provided with a positioning block, and a plurality of groups of hole groove structures penetrate through the positioning block.

As a preferable technical scheme of the utility model, two sets of oppositely arranged threaded shafts are of opposite threaded structures.

As a preferable technical scheme of the utility model, an annular groove structure matched with the size of the clamping ring is formed on the inner side of the push cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

in this device, through setting up multiunit structure that has power conduction, when using, the accessible specific instrument rotatory contact block, the contact block drives rotary drum and screw shaft and rotates, and then promote the push cylinder to both sides, push cylinder that the ring channel was seted up through two sets of snap ring structures on the bull stick is promoted, and then promote side cylinder, movable rod and corner block and remove to both sides, reach appointed distance, connect fixedly each group connecting bolt, and fix the hole intra-annular fixed anchorage nail on the bull stick, with the maxilla is fixed, the locating piece of four corners can be connected fixedly with external MSE auxiliary instrument, reach the effect of connection, and the four corners has the integrated configuration that locating piece structure cooperation inboard has the adjustment function, have fast adjustment, the effect of stable connection, be applicable to different patients.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a fragmentary view of the structure of the drum of the present utility model;

FIG. 3 is a second schematic diagram of the structure of the present utility model;

fig. 4 is a top view of the structure of the present utility model.

Wherein: 1. a rotating drum; 11. a contact block; 12. a threaded shaft; 13. a rotating rod; 14. a clasp; 2. pushing a cylinder; 21. edge blocks; 22. a side groove; 23. a connecting cylinder; 3. a side cylinder; 31. an inner tank; 32. a connecting bolt; 4. a moving rod; 41. positioning holes; 5. a master block; 51. a corner block; 52. a deflection lever; 53. an annular ring; 6. sub-blocks; 7. and (5) positioning blocks.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-4, the utility model provides a maxillary bone supported bone arch expanding device, which comprises a rotary drum 1, wherein a contact block 11 is fixed on the outer side of the rotary drum 1, two ends of the inner side of the rotary drum 1 are meshed and fixed with threaded shafts 12, the outer sides of two groups of threaded shafts 12 are fixedly connected with a rotary rod 13, the rotary rod 13 is arranged in a push drum 2, two sides of the push drum 2 are respectively provided with a side block 21, the middle part of the side block 21 is respectively provided with a side groove 22, the outer side of the push drum 2 is fixedly connected with a connecting drum 23, the connecting drum 23 is fixedly connected with the outer side of a hollow side drum 3, inner grooves 31 are respectively arranged at the upper end and the lower end of the side drum 3, movable rods 4 are respectively sleeved at the two ends of the inner side of the side drum 3, positioning holes 41 are respectively arranged at the top ends of the movable rods 4, the inner grooves 31 are fixedly connected with nuts through connecting bolts 32, the inner sides of each group of the movable rods 4 are fixedly connected with the hollow female blocks 5, sub-blocks 6 are movably arranged between the upper end and lower end of the female blocks 5, corner blocks 51 are respectively arranged on the inner side walls of the female blocks 5, the corner blocks 51 are respectively connected with the movable side blocks 52 through bolts 32 and the other end fixing grooves 22; an orifice ring 53 is provided in the middle of each set of deflection bars 52.

In other embodiments, the inner side of the rotary drum 1 is provided with a thread structure, the contact block 11 is of a hollow polygonal structure, and the front end and the rear end of the rotary rod 13 are provided with clamping rings 14; each group of clamping rings 14 can be clamped with the annular groove, so that the rotating rod 13 rotates and the two sides of the push cylinder 2 move.

In other embodiments, the middle part of each group of the mother blocks 5 is provided with an inner groove 31, two ends of the sub block 6 are provided with positioning holes 41, the inner groove 31 on the mother block 5 is fixedly connected with the positioning holes 41 on the sub block 6 through a connecting bolt 32 and a nut, the outer side of each group of the moving rods 4 is fixedly provided with a positioning block 7, a plurality of groups of hole groove structures penetrate through the positioning block 7, and two groups of oppositely arranged threaded shafts 12 are of opposite threaded structures; an annular groove structure matched with the size of the clamping ring 14 is formed on the inner side of the push cylinder 2; through setting up multiunit structure that has power transmission, when using, accessible specific instrument rotatory contact block 11, contact block 11 drives rotary drum 1 and screw shaft 12 and rotates, and then promote push away a section of thick bamboo 2 to both sides, push away a section of thick bamboo 2 that has seted up the ring channel through two sets of snap ring 14 structures on the bull stick 13 and remove, and then promote a section of thick bamboo 3, movable rod 4 and angle block 51 remove to both sides, reach the appointed distance, connect fixed with each set of connecting bolt 32, and with the fixed supporting nail in the grommet 53 on the deflector 52, fixed with the maxilla, the locating piece 7 in four corners can be connected fixedly with external MSE auxiliary instrument, reach the effect of connection, and the four corners has the integrated configuration that locating piece 7 structure cooperation inboard has the adjustment function, have quick adjustment, the effect of stable connection, be applicable to different patients.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Maxillary bone supporting type osseous arch expanding device, comprising a rotary drum (1), characterized in that: the utility model discloses a female screw type rotating drum, including rotating drum (1), connecting barrel (2), connecting barrel (23), inner groove (31) are all seted up at the both ends of the inboard of rotating drum (1) with screw thread axle (12) meshing fixedly, two sets of the outside of screw thread axle (12) all with bull stick (13) fixed connection, bull stick (13) set up in pushing away section of thick bamboo (2), both sides of pushing away section of thick bamboo (2) all are provided with limit piece (21), limit groove (22) have all been seted up at the middle part of limit piece (21), the outside and connecting barrel (23) of pushing away section of thick bamboo (2) fixed connection, connecting barrel (23) and the outside fixed connection of hollow side section of thick bamboo (3), inner groove (31) have all been seted up at the upper and lower both ends of side section of thick bamboo (3), locating hole (41) have been seted up at the inboard both ends of side section of thick bamboo (3) all to overlap movable rod (4), through connecting bolt (32) and nut fastening connection between pushing away (41), the inside groove (31) and the hollow block (5) of every group of movable rod (4) are provided with female screw (5), female screw (51) are connected with female screw (5), the other end of the deflection rod (52) is clamped and fixed with the side groove (22) through a connecting bolt (32) and a nut, and an annular ring (53) is arranged in the middle of each group of deflection rods (52).

2. A maxillary bone supported bone expansion device as claimed in claim 1 wherein: the inner side of the rotary drum (1) is provided with a threaded structure, the contact block (11) is of a hollow polygonal structure, and clamping rings (14) are arranged at the front end and the rear end of the rotary rod (13).

3. A maxillary bone supported bone expansion device as claimed in claim 1 wherein: each group of the inner grooves (31) are formed in the middle of the mother block (5), positioning holes (41) are formed in the two ends of the sub blocks (6), and the inner grooves (31) on the mother block (5) are fixedly connected with the positioning holes (41) on the sub blocks (6) through connecting bolts (32) and nuts.

4. A maxillary bone supported bone expansion device as claimed in claim 1 wherein: the outer sides of each group of movable rods (4) are fixed with positioning blocks (7), and a plurality of groups of hole groove structures penetrate through the positioning blocks (7).

5. A maxillary bone supported bone expansion device as claimed in claim 1 wherein: the two sets of threaded shafts (12) which are oppositely arranged are of a structure with opposite threads.

6. A maxillary bone supported bone expansion device as claimed in claim 2 wherein: an annular groove structure matched with the snap ring (14) in size is formed in the inner side of the push cylinder (2).