CN216365324U

CN216365324U - Minimally invasive tooth extraction instrument based on rivet principle

Info

Publication number: CN216365324U
Application number: CN202122541414.3U
Authority: CN
Inventors: 刘堃; 何修全; 李玉山
Original assignee: Hefei Stomatological Hospital
Current assignee: Hefei Stomatological Hospital
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-26
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a minimally invasive tooth extraction instrument based on a rivet principle, and particularly relates to the technical field of minimally invasive tooth extraction. The oral cavity restoration impression taking material silicon rubber is matched with the intraoral dentition tray for use, so that the oral cavity restoration impression taking material silicon rubber can be stably fixed in the oral cavity, through holes with different tooth positions and different angles are formed in the intraoral dentition tray to support the adapter, and compared with a traditional method that adjacent teeth are used for providing supporting force, the supporting force is firmer and more uniform in stress of all teeth, damage caused by overlarge stress of local teeth is avoided, and the operation is safer and quicker.

Description

Minimally invasive tooth extraction instrument based on rivet principle

Technical Field

The utility model relates to the technical field of minimally invasive tooth extraction, in particular to a minimally invasive tooth extraction instrument based on a rivet principle.

Background

The preservation of alveolar bone is of great importance during oral tooth extraction, and particularly during immediate implant of anterior teeth or site preservation, the integrity of a bone plate needs to be preserved as much as possible, so that the loss of alveolar bone is reduced, the bone quantity around the implant can be ensured, and the long-term stability and aesthetic effect of the implant are maintained.

For the removal of the residual root in the oral cavity, particularly for the broken end under the gum, the removal is usually difficult, the removal can be performed only after the elevator is stiff and loose, the injury and the loss to the peripheral bone plates, particularly the bone plates on the buccal side, can not be avoided, so that the implantation and the repair effect are influenced, and particularly in the removal of the residual root of the anterior tooth, a minimally invasive mode is particularly needed to avoid the loss of the peripheral bone plates.

One of the existing minimally invasive methods is to use a minimally invasive elevator to lift out the tooth root, and the method has great damage to alveolar bone; the other is as follows: after the screw is screwed into the tooth body, the tooth root is pulled out by using the lever principle by taking the adjacent teeth on the two sides as fulcrums, but the position of the force application point of the instrument cannot be controlled, and the screw and the tooth root cannot be fixed again after the screw in the tooth root slides, so that the application condition is limited, and the operation is inconvenient for a plurality of times.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: aiming at the problems in the prior art, the utility model provides a minimally invasive tooth extraction instrument based on a rivet principle, an intraoral dentition tray is matched with an oral cavity restoration mold taking material silicon rubber for use, the intraoral dentition tray can be stably fixed in an oral cavity, through holes with different tooth positions and different angles are arranged on the intraoral dentition tray to support an adapter, compared with the traditional method that adjacent teeth are utilized to provide supporting force, the supporting force is more stable in the mode, all teeth are uniformly stressed, damage caused by overlarge stress of local teeth is avoided, the operation is safer and faster, and the problems that the force application cannot be controlled and the application condition is limited due to the fact that the adjacent teeth are used as supporting points in the prior art are solved.

The technical scheme is as follows: the utility model provides a wicresoft pulls out tooth apparatus based on rivet principle, includes intraoral dentition tray, the inside grafting of intraoral dentition tray has the back taper to bore, the processing of back taper brill lower extreme surface has forward screw thread, the processing of back taper brill upper end surface has reverse screw thread, the back taper bores the top and is equipped with the adapter, the inside processing of adapter has the internal thread, internal thread and reverse screw thread looks adaptation, adapter top outer end is equipped with ratchet spanner, inside and adapter outer end looks adaptation of ratchet spanner, ratchet spanner is used for driving the adapter and rotates, adapter bottom and intraoral dentition tray top contact.

Further, a plurality of through-holes have been seted up at intraoral dentition tray top, the back taper bores through-hole, and the position of a plurality of through-holes corresponds with different tooth, can be used for supporting the adapter.

Furthermore, an inner hexagonal opening is machined at the top end of the inverted cone drill, and the inner hexagonal opening is matched with a screwdriver with a corresponding specification, so that power is conveniently provided for the inverted cone drill to attack dentin in a tooth root.

Furthermore, the intraoral dentition tray is provided with different models, so that the intraoral dentition tray can be adapted to the sizes of dentitions of different patients, and the through hole formed in the top end of the tray is adapted to the bottom of the adapter, so that stable supporting force is provided for the adapter.

Furthermore, when the intraoral dentition tray is used, the intraoral restoration model taking material silicon rubber is filled in the intraoral dentition tray, and the intraoral dentition tray can be adhered to teeth by utilizing the intraoral restoration model taking material silicon rubber so as to be convenient for applying external force to extract the teeth.

Further, a pioneer drill is included for use prior to installation of the intraoral dentition tray, the pioneer drill being used to remove root debris to facilitate providing a stable retention force for the intraoral dentition tray placed on the tooth.

Has the advantages that:

1. the oral dentition tray is matched with the oral cavity restoration mold taking material silicon rubber for use, so that the oral dentition tray can be stably fixed in the oral cavity, through holes with different tooth positions and different angles are formed in the oral dentition tray to support the adapter, and compared with the traditional method that adjacent teeth are utilized to provide supporting force, the supporting force is more stable in the mode, all teeth are uniformly stressed, damage caused by overlarge stress of local teeth is avoided, and the operation is safer and quicker;

2. according to the utility model, the dental root is reamed by using the pilot drill, the inverted cone drill is tapped into the dental root and is connected with the dental root, the other end of the inverted cone drill is connected with the adapter, the inverted cone drill is driven to move upwards under the action of rotation of the adapter, and the dental root is pulled by the inverted cone drill to move until the dental root is completely extracted, so that minimally invasive tooth extraction is realized, the safety and the operation efficiency are high, the method is effective, convenient and quick to use, the application range is wide, the pain of a patient is relieved, the problems of complications and alveolar bone loss after tooth extraction are greatly reduced, and the effect of implant repair is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a bottom view of the present invention;

FIG. 3 is a cross-sectional view of an intraoral dentition tray provided by the present invention;

FIG. 4 is an exploded view of the present invention;

FIG. 5 is a schematic structural view of an inverted cone drill provided by the present invention;

fig. 6 is a schematic structural diagram of a pilot drill according to the present invention;

fig. 7 is a schematic view of an installation structure of the reverse taper drill and the screwdriver provided by the utility model.

In the figure: 1 intraoral dentition tray, 2 through holes, 3 inverted taper drills, 4 forward threads, 5 reverse threads, 6 adapters, 7 internal threads, 8 ratchet wrenches, 9 internal hexagonal mouths and 10 pilot drills.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-7 of the specification, the minimally invasive tooth extraction instrument based on the rivet principle comprises an intraoral dentition tray 1, wherein an oral cavity repairing mold-taking material silicon rubber is filled in the intraoral dentition tray 1 when the intraoral dentition tray 1 is used, the intraoral dentition tray 1 can be adhered to teeth by utilizing the oral cavity repairing mold-taking material silicon rubber so as to be convenient for applying external force to extract the teeth, a plurality of through holes 2 are formed in the top of the intraoral dentition tray 1, the intraoral dentition tray 1 is provided with different models, so that the minimally invasive tooth extraction instrument can adapt to the sizes of dentition of different patients according to different models, the through holes 2 formed in the top of the intraoral dentition tray are adapted to the bottom of an adapter 6 so as to provide stable supporting force for the adapter, an inverted cone 3 penetrates through the through holes 2, and the positions of the through holes 2 correspond to different teeth and can be used for supporting the adapter 6. The inside grafting of intraoral dentition tray 1 has back taper to bore 3, the processing of 3 lower extreme surfaces of back taper bores has forward screw thread 4, the processing of 3 upper end surfaces of back taper bores reverse screw thread 5, the processing of 3 tops of back taper bores has interior hexagonal mouth 9, interior hexagonal mouth 9 and the corresponding screwdriver looks adaptation of specification are convenient for provide power for back taper bores 3 to attack in the dentin in the root of a tooth. The back taper drill 3 top is equipped with adapter 6, the inside processing of adapter 6 has internal thread 7,

internal thread

7 and 5 looks adaptations of reverse screw thread, 6 top outer ends of adapter are equipped with

ratchet spanner

8, 8 inside and 6 outer end looks adaptations of adapter of ratchet spanner, ratchet spanner 8 is used for driving adapter 6 and rotates, 6 bottoms of adapter contact with 1 top of intraoral dentition tray, and intraoral dentition tray 1 can provide the holding power for adapter 6 to make things convenient for the doctor to drive 3 rebound of back taper drill through rotating adapter 6, and then can conveniently extract the tooth.

Referring to the attached figure 6 of the specification, the minimally invasive tooth extraction instrument based on the rivet principle further comprises a pioneer drill 10, wherein the pioneer drill 10 is used before the intraoral dentition tray 1 is installed, and the pioneer drill 10 is used for removing root endophytic matter so as to provide stable retention force for the intraoral dentition tray 1 placed on teeth.

The implementation scenario is specifically as follows: in the actual use process, firstly, a pioneer drill 10 is used for removing the putrefaction in the tooth root, the inverted cone drill 3 is inserted into the cleaned tooth root, an inner hexagonal mouth 9 of an inner hexagonal structure at the top of the inverted cone drill 3 is connected with a corresponding screwdriver to tap the inverted cone drill 3 into the tooth root, then, a doctor takes a proper amount of oral cavity repairing and mold taking material silicon rubber to be correspondingly placed into the tooth row in the tray 1 of the oral tooth row, so that one opening on the tray 1 of the oral tooth row is opposite to the tooth root to be extracted, at the moment, a forward thread 4 is sleeved outside the inverted cone drill 3, after the adapter 4 is completely installed, a ratchet wrench 8 is installed on the upper part of the adapter 4, at the moment, the doctor rotates the ratchet wrench 8 to drive the inverted cone drill 3 to rotate, so that the inverted cone drill 3 moves upwards together with the tooth root until the tooth root is completely extracted, the minimally invasive tooth extraction is realized, the safety and the operability are high, the patient is relieved, the pain of the problems of complication and the loss of the tooth after the tooth extraction is greatly reduced, the tooth-pulling device has the advantages that the effect of implant restoration is ensured, in addition, the structure is simple, the installation, the disassembly and the disinfection are convenient, compared with the traditional method that the tooth is pulled out by utilizing a tooth elevator or lever principle, the method has the advantages of stable force application, high operation efficiency and more convenience and rapidness.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. A minimally invasive tooth extraction instrument based on the rivet principle comprises an intraoral dentition tray (1) and is characterized in that: the utility model discloses an adapter, including adapter (6), internal dentition tray (1), back taper drill (3), adapter (6) and adapter (6), the internal thread (7) have been bored to the inside back taper drill (3) upper end surface processing, the back taper drill (3) top surface processing has reverse screw thread (5), adapter (6) inside processing, internal thread (7) and reverse screw thread (5) looks adaptation, adapter (6) top outer end is equipped with ratchet spanner (8), inside and adapter (6) outer end looks adaptation of ratchet spanner (8), ratchet spanner (8) are used for driving adapter (6) and rotate, adapter (6) bottom contacts with internal dentition tray (1) top.

2. The minimally invasive tooth extraction instrument based on the rivet principle according to claim 1, characterized in that: a plurality of through-holes (2) have been seted up at intraoral dentition tray (1) top, back taper drill (3) run through-hole (2).

3. The minimally invasive tooth extraction instrument based on the rivet principle according to claim 1, characterized in that: an inner hexagonal opening (9) is machined at the top end of the inverted cone drill (3), and the inner hexagonal opening (9) is matched with a screwdriver with corresponding specification.

4. The minimally invasive tooth extraction instrument based on the rivet principle according to claim 1, characterized in that: the intraoral dentition tray (1) is provided with different models.

5. The minimally invasive tooth extraction instrument based on the rivet principle according to claim 1, characterized in that: when the intraoral dentition tray (1) is used, the intraoral dentition tray is internally filled with oral cavity repairing and mold taking material silicon rubber.

6. The minimally invasive tooth extraction instrument based on the rivet principle according to claim 1, characterized in that: further comprising a pilot drill (10), said pilot drill (10) being used prior to installation of the intraoral dentition tray (1).