CN213665867U

CN213665867U - Micro-planting anchorage nail guider

Info

Publication number: CN213665867U
Application number: CN202022542288.9U
Authority: CN
Inventors: 李学海
Original assignee: Ruiqi Medical Technology Jiaxing Co ltd
Current assignee: Ruiqi Medical Technology Jiaxing Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-13
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a little planting anchorage nail director, including director body and two strutting arrangement, the director body cooperatees and is the arc strip with human tooth outer wall, director body inner wall be equipped with human tooth outer wall matched with concave part, the width of director body is reduced gradually and both ends are equipped with the guiding hole that runs through the director body respectively to both ends by the middle part. The utility model has the advantages that the supporting rod of the supporting device is clamped in the groove of the guider body, the supporting arc-shaped blocks on the supporting rod are pressed against the inner wall of the oral cavity, so that a space is vacated between the guiding hole and the inner wall of the oral cavity, and a doctor positions and directionally implants the anchorage nail into the jaw of the oral cavity from the guiding hole at the tail end of the guider body by using the vacated space through the surgical instrument, thereby preventing the supporting device from slipping with the inner wall of the oral cavity; after the anchorage nail is implanted into the two guide holes of the guider body, the support rods of the two support devices are taken out of the grooves, and the guider body is fixed.

Description

Micro-planting anchorage nail guider

Technical Field

The utility model belongs to the technical field of orthodontics, in particular to little planting anchorage nail director.

Background

In recent years, with the improvement of the living standard and health care consciousness of people, the demand for correction of the dental jaw deformity is increasing, and the demand for aesthetic improvement is also increasing while improvement of the dental jaw health is desired. Various malocclusion deformities such as double-jaw protrusion, single-jaw protrusion, opening and closing, lip opening and tooth exposing seriously affect the facial form of people, so that the traditional anchorage system has the defects that teeth mutually serve as anchorage, the teeth can move in the opposite direction, and the correction amplitude and effect are limited; the micro-implant anchorage nail implanted into the jaw bone is used as a stable anchorage, can adjust the position of a tooth to be corrected to the maximum extent, and can press the tooth into the alveolar bone or adduct the whole dentition as required, which cannot be realized by the traditional anchorage.

The micro-implant anchorage nail is a safe and effective orthodontic anchorage technology which is rapidly developed in recent years, and compared with the traditional orthodontic anchorage, the correction advantages of the bone implant anchorage for solving difficult and complicated cases are gradually shown, but a certain failure rate still exists. The micro-implant anchorage nail implantation technology lacks fixed anatomical marks, has more anatomical variation and has greater risks depending on experience and hand feeling implantation. The micro-implant anchorage nail is usually implanted into the buccal side or the palatal side of an upper jaw and a lower jaw, is generally positioned between tooth roots, a subzygomatic crest, a posterior molar area and the like, has special adjacent anatomical structures, has potential risk defects of injuring the tooth roots, a maxillary sinus, a palatine neurovascular bundle, a lower alveolar nerve, a mental nerve and the like, is close to the inside of an oral cavity, has limited opening and closing size of the oral cavity of a patient and can shield the implantation position of the anchorage nail by the inner wall of the oral cavity, thereby influencing the operation progress.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a micro-planting anchorage nail director that can solve above-mentioned problem.

A micro-implant anchorage nail guider comprises a guider body and two supporting devices, wherein the guider body is matched with the outer wall of a human tooth and is in an arc-shaped lath shape, a concave part matched with the outer wall of the human tooth is arranged on the inner wall of the guider body, the width of the guider body is gradually reduced from the middle part to two ends, two ends of the guider body are respectively provided with a guide hole penetrating through the guider body, and two ends of the guider body are respectively provided with a groove which is positioned between the middle part of the guider body and the guide hole and is close to the guide hole; every strutting arrangement include one end with the bracing piece of recess matched with joint and locate the bracing piece other end is used for supporting the support arc piece of oral cavity inner wall, the arc surface that supports the arc piece is equipped with the polycaprolactone tiny particle that is used for increasing and frictional force between the oral cavity inner wall.

Further, the length of the guide hole is 4mm, and the diameter of the guide hole is 2.25 mm.

Further, every strutting arrangement still including being located the bracing piece with support the universal ball between the arc piece, support the arc piece from keeping away from arc surface one end be equipped with universal ball matched with circular slot, universal ball one end with bracing piece fixed connection and the other end with the circular slot joint.

Compared with the prior art, the utility model provides a little planting anchorage nail director passes through the bracing piece joint of strutting arrangement in the recess of director body, and the support arc piece on the bracing piece supports the oral cavity inner wall, makes vacate a space between guiding hole and the oral cavity inner wall, and the doctor uses the surgical instruments through this vacated space with the anchorage nail from the guiding hole location of director body end, directional implantation to oral cavity jaw, and the little granule of polycaprolactone on the support arc piece increases and the frictional force between the oral cavity inner wall, prevents that strutting arrangement and oral cavity inner wall from skidding; after the anchorage nail is implanted into the two guide holes of the guider body, the support rods of the two support devices are taken out of the grooves, and the guider body is fixed.

Drawings

Fig. 1 is the utility model provides a pair of micro-planting anchorage nail guider's schematic structure.

Fig. 2 is a schematic structural view of the planting guide of fig. 1.

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1 to fig. 2, it is a schematic structural diagram of a micro-implant anchorage nail guider provided by the present invention. A micro-implant anchorage nail guider comprises a guider body 10 and two supporting devices 20, wherein the guider body 10 is matched with the outer wall of a human tooth and is in an arc-shaped lath shape, a concave part 11 matched with the outer wall of the human tooth is arranged on the inner wall of the guider body 10, the width of the guider body 10 is gradually reduced from the middle part to two ends, two ends of the guider body 10 are respectively provided with a guide hole 12 penetrating through the guider body 10, and two ends of the guider body 10 are respectively provided with a groove 13 which is positioned between the middle part of the guider body 10 and the guide hole 12 and is close to the guide hole 12; every strutting arrangement 20 include one end with the bracing piece 21 of recess 13 cooperation joint and locate the bracing piece 21 other end is used for supporting the support arc piece 22 of oral cavity inner wall, the arc surface that supports arc piece 22 is equipped with the polycaprolactone tiny particle 221 that is used for increasing and frictional force between the oral cavity inner wall.

During orthodontic treatment of teeth, an implantation area is disinfected and locally anesthetized, then the guider body 10 is correspondingly placed in an upper jaw or lower jaw anterior tooth area, a concave part 11 on the inner side surface of the guider body 10 is matched with the outer wall surface of the teeth, a supporting rod 21 of the supporting device 20 is clamped in a groove 13 of the guider body 10, a supporting arc block 22 on the supporting rod 21 abuts against the inner wall of an oral cavity, a space is reserved between a guiding hole 12 and the inner wall of the oral cavity, a doctor positions and directionally implants an anchorage pin from the guiding hole 12 at the tail end of the guider body 10 to the jawbone of the oral cavity by using a surgical instrument through the reserved space, and polycaprolactone particles 221 on the supporting arc block 22 increase the friction force between the polycaprolactone particles and the inner wall of the oral cavity to prevent the supporting device 20 from slipping with the inner wall of the oral cavity; after the anchorage pins are implanted into the two guide holes 12 of the guider body 10, the support rods 21 of the two support devices 20 are taken out of the grooves 13, and the guider body 10 is fixed and used for orthodontic treatment.

The length of the guide hole 12 is 4mm, and the diameter of the guide hole 12 is 2.25 mm. Depending on the size of the anchorage pin.

Every strutting arrangement 20 is still including being located the bracing piece 21 with support universal ball 23 between the arc piece 22, support arc piece 22 from keeping away from arc surface one end be equipped with universal ball 23 matched with circular slot (not marking in the picture), universal ball 23 one end with bracing piece 21 fixed connection and the other end with the circular slot (not marking in the picture) joint. The supporting arc-shaped block 22 can be adjusted through the universal ball 23 according to the structures of different oral cavities of the patient, so that the supporting arc-shaped block 22 is matched with the inner wall of the oral cavity of the patient.

Compared with the prior art, the utility model provides a little planting anchorage nail director passes through the bracing piece 21 joint of strutting arrangement 20 in the recess 13 of director body 10, the support arc piece 22 on the bracing piece 21 supports the oral cavity inner wall, make vacate a space between guiding hole 12 and the oral cavity inner wall, the doctor is through this vacate space with the surgical instrument with anchorage nail from the terminal guiding hole 12 location of director body 10, directional implantation to oral cavity jawbone, and support polycaprolactone tiny particle 221 on the arc piece 22 increase and the oral cavity inner wall between the frictional force, prevent that strutting arrangement 20 and oral cavity inner wall from skidding; after the anchorage nail is implanted into both the guide holes 12 of the guide body 10, the support rods 21 of the two support devices 20 are taken out of the grooves 13, and the fixation of the guide body 10 is completed.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims

1. The utility model provides a little planting anchorage nail director which characterized in that: the guide device comprises a guide device body and two supporting devices, wherein the guide device body is matched with the outer wall of a human tooth and is in an arc-shaped lath shape, the inner wall of the guide device body is provided with a concave part matched with the outer wall of the human tooth, the width of the guide device body is gradually reduced from the middle part to two ends, two ends of the guide device body are respectively provided with a guide hole penetrating through the guide device body, and two ends of the guide device body are respectively provided with a groove which is positioned between the middle part of the guide device body and the guide hole and is close to the guide hole; every strutting arrangement include one end with the bracing piece of recess matched with joint and locate the bracing piece other end is used for supporting the support arc piece of oral cavity inner wall, the arc surface that supports the arc piece is equipped with the polycaprolactone tiny particle that is used for increasing and frictional force between the oral cavity inner wall.

2. The micro-implant anchorage pin guide of claim 1, wherein: the length of guiding hole is 4mm, the diameter of guiding hole is 2.25 mm.

3. The micro-implant anchorage pin guide of claim 1, wherein: every strutting arrangement is still including being located the bracing piece with support universal ball between the arc piece, support the arc piece from keeping away from arc surface one end be equipped with universal ball matched with circular slot, universal ball one end with bracing piece fixed connection and the other end with the circular slot joint.