CN219000616U

CN219000616U - Marrow drawing needle for tooth root canal treatment

Info

Publication number: CN219000616U
Application number: CN202223066950.3U
Authority: CN
Inventors: 张可辉
Original assignee: Fujian New Angle Dental Technology Development Co ltd
Current assignee: Fujian New Angle Dental Technology Development Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-12
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a tooth root canal therapy is used and extracted the needle, it is a kind of tooth root canal therapy is extracted the needle field, a kind of tooth root canal therapy is extracted the needle, including needle body, the bottom of needle body is fixed with and extracted the pointed cone, the outside to extract the pointed cone has multiple barbs, there are stable structures on the barb, the stable structure is used for preventing the barb from breaking, the stable structure includes connecting the cambered surface, connect the cambered surface to set up at the bottom of the barb and near one side to extract the pointed cone, the barb is fixed with and extracted the pointed cone through connecting the cambered surface, the outside to extract the pointed cone and is fixed with the strengthening rib in the inboard of the barb, and the strengthening rib is connected with inboard of the barb, the barb is also fitted with and helped the hook assembly, helped the hook assembly is used for helping the barb to get up, helped the hook assembly includes multiple auxiliary thorns, and helped thorns are set up in the outside of the barb; the device ensures that the barbs are not broken in the dental pulp, thereby ensuring the integral strength of the marrow-pulling needle, reducing the occurrence of broken needles and ensuring the safety of patients.

Description

Marrow drawing needle for tooth root canal treatment

Technical Field

The utility model relates to the field of a marrow drawing needle, in particular to a marrow drawing needle for tooth root canal treatment.

Background

Currently, in the process of endodontic treatment, a medical tool commonly used by doctors is a spinal needle, which is required to remove degenerated and necrotic pulp tissue in the root canal or to take out cotton twist left in the root canal.

The design of the barbs in the existing marrow extracting needle is weak, when the marrow is extracted, if the barbs touch hard objects, the situation of fracture of the barbs is easy to occur, and when the proficiency of a doctor in extracting the marrow is low, in the marrow extracting operation, once the inclination amplitude of the marrow is large or the rotation amplitude of the marrow is large, the barbs are easy to fracture, and the situation of broken needles occurs, so that the health of a patient is endangered.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide the marrow drawing needle for tooth root canal treatment, which ensures that barbs cannot be broken in dental pulp, thereby ensuring the integral strength of the marrow drawing needle, reducing the occurrence of broken needles and ensuring the safety of patients.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a tooth root canal therapy is with pulling out marrow needle, includes the needle body, the bottom of needle body is fixed with pulls out pointed cone portion, the outside of pulling out pointed cone portion is provided with a plurality of barbs, be provided with stable structure on the barb, stable structure is used for preventing the barb fracture.

Further, the stabilizing structure comprises a connecting cambered surface, the connecting cambered surface is arranged at the bottom of the barb and is close to one side of the taper portion, the barb is fixedly connected with the taper portion through the connecting cambered surface, the outer side of the taper portion is pulled out and is positioned at the inner side of the barb, and a reinforcing rib is fixed at the inner side of the barb and is connected with the inner side of the barb.

The barb is further provided with a hook assisting component, and the hook assisting component is used for assisting the barb to hook objects.

Further, the auxiliary hook component comprises a plurality of auxiliary thorns, the auxiliary thorns are arranged on the outer sides of the barbs, and a plurality of connecting grooves are further formed in the outer sides of the barbs.

Further, a grip is fixed at the top of the needle body.

Further, the top of barb is provided with pulls out the groove.

Further, the tip of the auxiliary thorn is upward.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the dental pulp is removed through the arrangement of the barbs, the contact surface between the barbs and the taper portion is larger through the arrangement of the connecting cambered surface, and the strength of the barbs is stable and cannot be broken in the dental pulp through the arrangement of the reinforcing ribs, so that the overall strength of the dental pulp removing needle is ensured, the condition of broken needles is reduced, and the safety of a patient is ensured.

Drawings

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

Fig. 2 is a schematic view of the structure of the utility model for removing the pointed cone and the barb.

Figure 3 is a schematic view of the shape of the present utility barb.

Fig. 4 is a schematic structural view of the reinforcing rib, the auxiliary thorns and the connecting grooves.

The reference numerals in the figures illustrate:

1. a needle body; 2. a grip; 3. removing the pointed cone part; 4. a barb; 5. connecting the cambered surfaces; 6. reinforcing ribs; 7. removing the groove; 8. auxiliary needling; 9. and a connecting groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, a marrow pulling needle for dental root canal therapy comprises a needle body 1, wherein a pulling tip cone 3 is fixed at the bottom of the needle body 1, a grip 2 is fixed at the top of the needle body 1, and the grip 2 is arranged, so that a user can take the grip 2, and then can take the needle body 1, the operation of the user is convenient, a plurality of barbs 4 are arranged on the outer side of the pulling tip cone 3, and a stable structure is arranged on the barbs 4 and used for preventing the barbs 4 from breaking.

Referring to fig. 3-4, the stabilizing structure comprises a connecting cambered surface 5, wherein the connecting cambered surface 5 is arranged at the bottom of a barb 4 and is close to one side of a removal pointed cone part 3, the barb 4 and the removal pointed cone part 3 are fixedly connected through the connecting cambered surface 5, a reinforcing rib 6 is fixed on the outer side of the removal pointed cone part 3 and positioned on the inner side of the barb 4, the reinforcing rib 6 is connected with the inner side of the barb 4, the contact surface between the barb 4 and the removal pointed cone part 3 is larger through the arrangement of the connecting cambered surface 5, the strength of the barb 4 is stable and cannot be broken in dental pulp, a removal groove 7 is formed at the top of the barb 4, and when the dental pulp is positioned at the removal groove 7, the dental pulp can be removed by driving the dental pulp to slide to the outer side of the barb 4;

the barb 4 is also provided with a hook assisting component which is used for assisting the barb 4 to hook objects.

Referring to fig. 4, the auxiliary hook component comprises a plurality of auxiliary thorns 8, the auxiliary thorns 8 are arranged on the outer sides of the barbs 4, the tip parts of the auxiliary thorns 8 are arranged upwards, the tooth pulp can be pulled out more conveniently through the arrangement of the auxiliary thorns 8, a plurality of connecting grooves 9 are further formed in the outer sides of the barbs 4, the auxiliary thorns 8 can hook the tooth pulp which is tiny and difficult to hook around the barbs 4 through the arrangement of the auxiliary thorns 8, and after the tooth pulp can be contacted with the connecting grooves 9, the tooth pulp can be better contacted with the auxiliary thorns 8 when the taper part 3 is pulled up, and the tooth pulp can be pulled out through the auxiliary thorns 8.

Working principle: when the device is used by a user, the taper part 3 is inserted into the inner side of teeth of a patient until the position of dental pulp is reached, the needle body 1 is repeatedly pulled, the taper part 3 is driven to move up and down, then the dental pulp is pulled out through the arrangement of the barbs 4, the contact surface between the barbs 4 and the taper part 3 is larger through the arrangement of the connecting cambered surface 5, and the strength of the barbs 4 is stable and cannot be broken in the dental pulp through the arrangement of the reinforcing ribs 6.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a tooth root canal therapy is with drawing out marrow needle, includes needle body (1), its characterized in that: the utility model discloses a needle body, including needle body (1), barb (4), stable structure, the bottom of needle body (1) is fixed with pulls out pointed cone (3), the outside of pulling out pointed cone (3) is provided with a plurality of barbs (4), be provided with on barb (4) and stabilize the structure and be used for preventing barb (4) fracture.

2. A dental root canal treatment intramedullary nail according to claim 1, characterized in that: the stabilizing structure comprises a connecting cambered surface (5), wherein the connecting cambered surface (5) is arranged at the bottom of the barb (4) and is close to one side of the removal pointed cone part (3), the barb (4) is fixedly connected with the removal pointed cone part (3) through the connecting cambered surface (5), a reinforcing rib (6) is fixed on the outer side of the removal pointed cone part (3) and positioned on the inner side of the barb (4), and the reinforcing rib (6) is connected with the inner side of the barb (4); the barb (4) is further provided with a hook assisting component which is used for assisting the barb (4) to hook objects.

3. A dental root canal therapy intramedullary nail according to claim 2, wherein: the auxiliary hook component comprises a plurality of auxiliary thorns (8), the auxiliary thorns (8) are arranged on the outer sides of the barbs (4), and a plurality of connecting grooves (9) are further formed in the outer sides of the barbs (4).

4. A dental root canal treatment intramedullary nail according to claim 1, characterized in that: the top of the needle body (1) is fixed with a grip (2).

5. A dental root canal therapy intramedullary nail according to claim 2, wherein: the top of barb (4) is provided with pulls out groove (7).

6. A dental root canal treatment intramedullary nail according to claim 3, characterized in that: the tip of the auxiliary thorn (8) is upward.