CN205286562U - Instruments for tooth extraction of wicresoft - Google Patents

Abstract

The utility model relates to a minimally invasive tooth extraction instrument. The minimally invasive tooth extraction instrument includes a root canal screw and a root canal screw removal device. The root canal screw removal device includes a bracket and a screw mechanism, and the bracket is provided with screw holes. The screw mechanism runs through the screw hole; the lower end of the screw mechanism is provided with a clamping mechanism, and the bottom of the bracket is also provided with a concave portion; In the root canal of the root, the pulling force generated by the continuously rotating screw mechanism drives the clamping mechanism to pull the root canal nail, and then the entire residual root of the tooth is pulled out.

Description

A minimally invasive dental extraction instrument

technical field

The utility model relates to the technical field of medical devices, in particular to a minimally invasive tooth extraction device.

Background technique

At present, when extracting teeth in oral clinical surgery, the principle of lever mechanics is applied, and the instruments used usually include tooth lifters, chisels, hammers, and tooth extraction forceps. The method is to place the tooth lifter and chisel at the interdental space and the corresponding alveolar ridge, forcefully pry or chisel the tooth loose, and then hold the pliers, or shake or twist to pull the affected tooth out. There are many problems in using the above instruments to extract teeth. First, the extraction operation mainly depends on the dentist’s experience and technology. It needs a long clinical training to master it proficiently. It is difficult for young doctors to master it. Second, if you encounter a broken tooth root, Above-mentioned instrument can't locate on the residual root, often very troublesome, needs to cut gingiva sometimes, brings a lot of misery to patient; The 3rd, no matter adopt tooth lifter, chisel, hammer or tooth extraction forceps etc. all can cause wound when extracting the residual root of anterior tooth The area is large, which brings pain to the patient and affects the appearance; therefore, it is necessary to seek a minimally invasive tooth extraction device.

The current minimally invasive tooth extraction uses the wedge force and slight rotational force of the minimally invasive tooth extraction knife to cut off the periodontal ligament and squeeze the alveolar bone to increase the gap at the same time, and then use the tooth extraction forceps to extract the tooth with a slight force, although this The minimally invasive tooth extraction method greatly reduces the damage to the periodontal tissue during the entire tooth extraction process. However, due to the use of tooth extraction forceps to extract teeth, it will inevitably touch the patient's gums, causing varying degrees of damage and bringing a lot of pain to the patient. , and the minimally invasive tooth extraction instruments are all imported expensive and cannot be popularized, and there is no special residual root extraction tool on the market at present.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a minimally invasive tooth extraction instrument. When the utility model is extracting the residual tooth root, the root canal nail is driven into the root canal of the tooth residual root, and continuously rotates The pulling force generated by the screw mechanism drives the clamping mechanism to pull the root canal nail, and then removes the entire residual root of the tooth.

In order to achieve the above object, the utility model adopts the following technical solutions:

A minimally invasive tooth extraction instrument, the minimally invasive tooth extraction instrument includes a root canal screw and a device for extracting the root canal screw, the device for extracting the root canal screw includes a bracket and a screw mechanism, the bracket is provided with screw holes, and the screw mechanism Through the screw hole; the lower end of the screw mechanism is provided with a clamping mechanism, and the bottom of the bracket is also provided with a recess.

When the minimally invasive tooth extraction instrument of the utility model is in the process of minimally invasive tooth extraction, the wedge force and the rotation force produced by the existing minimally invasive tooth extraction knife are selected at first, the periodontal ligament is cut off and the alveolar bone is squeezed to increase the gap, and then the The root canal screw is driven into the root canal of the residual root of the tooth, and the clamping mechanism connected to the screw mechanism is connected with the root canal screw. root extraction; the minimally invasive tooth extraction instrument provided by the utility model is to apply force inside the residual root, and will not cause damage to the periodontal tissue and gums around the residual root; while the tooth extraction forceps in the existing tooth extraction operation are in the Applying force around the residual root, the use of tooth extraction forceps will inevitably cause the patient's gums to be damaged, the trauma area is large, and it is easy to cause fear to the patient.

In the utility model, the clamping mechanism realizes the connection with the root canal nail by clamping the top of the root canal nail; in the utility model, the clamping mechanism can be any The mechanism, for example, can be a clamping gun or a clamping arm, and the root canal nail can also be a clinically used helical root canal nail; preferably, the clamping mechanism includes an active rod, and the active rod is fixed on There is a clamping base, and a clamping arm is arranged on the clamping base, and the clamping arm is composed of a first clamping arm and a second clamping arm; through the first clamping arm and the second clamping arm arranged on the clamping base, The two clamping arms clamp the root canal nail to realize tight connection.

The utility model is provided with a concave part at the bottom of the bracket. During the tooth extraction process, the concave part at the bottom of the bracket can just bear against two adjacent teeth. On the one hand, this provides a force point for the tooth extraction operation, and on the other hand, it increases the tooth extraction process during the tooth extraction process. The stability of the device prevents the sliding of the bracket.

In the present utility model, the bracket can be a bracket of any shape, as long as it can provide a fulcrum for pulling out root canal screws; preferably, the bracket includes a first support rod and a second support rod, and the first support rod A support rod is connected with one end of the second support rod through a cross bar; the clamping mechanism is arranged on one side of the opening of the bracket.

Preferably, the screw mechanism is a screw rod.

Preferably, a rotating head is provided on the screw mechanism on the side opposite to the opening direction of the stent; when the screw mechanism is unscrewed upwards, the medical personnel can simply rotate the rotating head provided on the top of the screw mechanism, which can facilitate the operation of the medical personnel ; Further preferably, the rotating head and the screw mechanism are spirally connected, and this setting facilitates the replacement of the rotating head; more preferably, the rotating head is provided with a handle bar, and the handle bar can be set to It is convenient for medical staff with little strength, especially female doctors, and the use of the handle bar can avoid the pain caused by direct operation of the rotating head with fingers.

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

The minimally invasive tooth extraction instrument provided by the utility model realizes the extraction of the tooth residual root through the interaction between the root canal screw, the clamping mechanism and the screw mechanism; the minimally invasive tooth extraction instrument provided by the utility model is applied inside the tooth residual root The active force pulls the root canal nail driven into the residual root of the tooth through the rotating screw mechanism to drive the extraction of the entire residual root, without causing damage to the periodontal tissue and gingiva around the residual root; while the tooth extraction forceps in the prior art are all Applying force around the residual root, when using tooth extraction forceps, it will inevitably cause damage to the patient's gums, resulting in a larger trauma area, and it is easy to cause fear to the patient; the utility model is especially suitable for relatively few missing teeth, often Only one tooth is missing and the adjacent teeth are relatively strong; the utility model has simple structure, reasonable design, minimal trauma during tooth extraction, and greatly improves the patient's comfort.

Description of drawings

Fig. 1 is the schematic diagram of the extraction root canal screw device of a kind of minimally invasive tooth extraction instrument provided in embodiment 1;

Fig. 2 is the schematic diagram of the tooth extraction bracket of a kind of minimally invasive tooth extraction instrument that embodiment 1 provides;

Fig. 3 is the schematic diagram of the screw rod of a kind of minimally invasive tooth extraction instrument that embodiment 1 provides;

Fig. 4 is the schematic diagram of the root canal nail that is adapted to the minimally invasive tooth extraction instrument provided by embodiment 1;

FIG. 5 is a schematic diagram of the clamping mechanism of the root canal screw removal device provided in Embodiment 1. FIG.

detailed description

The utility model will be further described below in conjunction with specific embodiments.

In the accompanying drawings of the utility model embodiment, the same or similar symbols correspond to the same or similar parts; The orientation or positional relationship indicated by "right", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the utility model and simplifying the description, and It does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, so the terms describing the positional relationship in the drawings are for illustrative purposes only, and should not be construed as limitations on this patent.

In addition, if terms such as "first" and "second" are used for descriptive purposes only, they are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used for The relative importance and quantity of the indicated means, elements or components are stated or implied, and should not be construed as indicating or implying relative importance.

The utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments. The following description is only exemplary and does not limit the protection scope of the utility model.

Example 1

A minimally invasive tooth extraction instrument, the minimally invasive tooth extraction instrument includes a root canal screw 1 and an extraction root canal screw device 2, the extraction root canal screw device 2 includes a bracket 3 and a screw rod 4, and the bracket 3 is provided with a screw The screw rod 4 passes through the screw hole 5 ; the lower end of the screw rod 4 is provided with a clamping mechanism 6 , and the bottom of the bracket 3 is also provided with a recess 7 .

Fig. 1 is a schematic diagram of a root canal nail removal device 2, Fig. 2 is a schematic diagram of a bracket 3, Fig. 3 is a schematic diagram of a screw mechanism 4 of this embodiment, and Fig. 5 is a root canal nail compatible with the root canal nail removal device 2 1; in this embodiment, the root canal nail can be a helical root canal nail routinely used clinically, without any modification on its upper part; as shown in Figure 1, the bracket 3 includes a first support rod 31 and the second support rod 32 , one end of the first support rod 31 and the second support rod 32 are connected by a cross bar 8 .

Fig. 5 is a schematic diagram of the clamping mechanism of the root canal screw removal device, the clamping mechanism 6 includes an active rod 61, a clamping base 62 is fixed on the active rod 61, and a clamping base 62 is provided on the clamping base 62 Arm 63; the clamping arm 63 is composed of a first clamping arm 631 and a second clamping arm 632, and when a tooth extraction operation is performed, the first clamping arm 631 and the second clamping arm 632 clamp the root canal nail 1 The upper part realizes the tight connection between the clamping mechanism 6 and the root canal nail 1, and then the root canal nail 1 can be pulled out.

As shown in Figure 2, the bottom of the bracket 3 is provided with a concave portion 7. During the extraction process, the concave portion 7 at the bottom of the bracket 3 can just touch the two adjacent teeth, which provides a force point for the tooth extraction operation on the one hand, and the other On the one hand, the stability of the whole tooth extraction device in the tooth extraction process has been increased to prevent the sliding of the support 3.

In this embodiment, a rotating head 9 is provided on the screw rod 4 on the side opposite to the opening direction of the bracket 3 , and the rotating head 9 and the screw rod 4 are connected by a screw, which facilitates the replacement of the rotating head 9 . In this embodiment, the rotating head 9 is provided with a handle bar 10, and the setting of the handle bar 10 can facilitate the use of weak medical staff, especially female doctors, and the use of the handle bar 10 can prevent fingers from directly operating the rotating head 9. pain.

Claims (7)

1. Wicresoft's instruments for tooth extraction, it is characterized in that, described Wicresoft instruments for tooth extraction includes canal pin (1) and pulls out canal pin device (2), described canal pin device (2) of pulling out includes support (3) and screw mechanism (4), being provided with screw (5) on described support (3), described screw mechanism (4) runs through described screw (5); Described screw mechanism (4) lower end is provided with clamping device (6), and the bottom of described support (3) is additionally provided with recess (7).

2. Wicresoft's instruments for tooth extraction according to claim 1, it is characterized in that, described support (3) is included one end of the first support bar (31) and the second support bar (32), described first support bar (31) and described second support bar (32) and is connected by cross bar (8).

3. Wicresoft's instruments for tooth extraction according to claim 1, it is characterised in that described clamping device (6) includes driving lever (61), described driving lever (61) is fixed with Holding seat (62), described Holding seat (62) is provided with clamping limb (63).

4. Wicresoft's instruments for tooth extraction according to claim 3, it is characterised in that described clamping limb (63) is made up of the first clamping limb (631) and the second clamping limb (632).

5. Wicresoft's instruments for tooth extraction according to claim 1, it is characterised in that described screw mechanism (4) is screw rod.

6. Wicresoft's instruments for tooth extraction according to claim 1, it is characterised in that with the screw mechanism (4) of described support (3) opening direction opposite side is provided with swivel head (9).

7. Wicresoft's instruments for tooth extraction according to claim 6, it is characterised in that be provided with handlebar (10) on described swivel head (9).