CN205339174U - Wicresoft's device of extracing tooth - Google Patents

Abstract

The utility model relates to a minimally invasive tooth extraction device. The minimally invasive tooth extraction device 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. Screw holes are arranged on the bracket. The screw mechanism runs through the screw hole; the lower end of the screw mechanism is provided with a root canal screw connection mechanism; when the utility model extracts the tooth residual root, the root canal screw is first driven into the root canal of the tooth residual root, and then passed The pulling force generated by the continuous rotation of the screw mechanism drives the root canal screw connection mechanism to pull the root canal screw, and then extracts the entire residual root of the tooth; the utility model has simple structure, reasonable design, minimal trauma during tooth extraction, and greatly improves the patient's comfort degree.

Description

A minimally invasive tooth extraction device

technical field

The invention 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 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 present invention is to overcome the deficiencies of the prior art and provide a minimally invasive tooth extraction device. When the present invention extracts the residual tooth root, the root canal nail is driven into the root canal of the tooth residual root, and the screw mechanism is continuously rotated to The generated pulling force drives the root canal screw connecting mechanism to pull the root canal screw, and then removes the entire residual root of the tooth.

To achieve the above object, the present invention adopts the following technical solutions:

A minimally invasive tooth extraction device, the minimally invasive tooth extraction device 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, 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 root canal screw connection mechanism.

When the minimally invasive tooth extraction device of the present invention implements the minimally invasive tooth extraction process, first select the wedge force and the rotation force generated by the existing 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 the root The canal screw is driven into the root canal of the residual root of the tooth, and the root canal screw connecting mechanism connected to the screw mechanism is connected with the root canal screw. The residual root is pulled out; the minimally invasive tooth extraction device provided by the present invention applies force inside the residual root, and will not cause damage to the periodontal tissue and gingiva 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 present invention, 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 One end of the support rod and the second support rod is connected through a cross bar; the root canal nail connection mechanism is arranged on one side of the bracket opening.

When the top of the root canal nail used for minimally invasive tooth extraction is provided with a small hole, the root canal nail connection mechanism can be set as a draw hook that can pass through the small hole, and the draw hook is connected to the root canal nail through the small hole; In the present invention, the number of small holes can be multiple, as long as the root canal nail connection mechanism can be closely connected with the root canal nail; preferably, the hook and the screw mechanism are detachably connected; This arrangement facilitates the disassembly and disinfection of the retractor, and also facilitates the collection of devices for extracting root canal nails used for minimally invasive tooth extraction; preferably, the end of the screw mechanism is provided with an annular groove, and the retractor includes a hook tail, The hook body and the hook point, the hook tail is embedded in the annular groove provided at the end of the screw mechanism; with this arrangement, by inserting the hook tail of the drag hook into the annular groove, the drag hook is prevented from detaching from the screw mechanism, and the hook and screw mechanism are increased. The tightness of the connection between them; more preferably, the hook tail is set as a collar matching the annular groove, the entire structure of the hook tail is set as a collar, and the collar is embedded in the annular groove, which can It is more convenient to realize the tight connection between the drag hook and the screw mechanism.

When the root canal nail used for minimally invasive tooth extraction is a commonly used root canal nail, and its top is not provided with a small hole, the root canal nail connecting mechanism can be set as a clamping mechanism, and the clamping mechanism can hold the root canal nail by clamping it. The top realizes the connection between it and the root canal nail; in the present invention, the clamping mechanism can be any mechanism capable of clamping the root canal nail, for example, it can be a clamping gun or a clamping arm; preferably, The clamping mechanism includes an active rod, a clamping base is fixed on the active rod, 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 ; The root canal nail is clamped by the first clamping arm and the second clamping arm arranged on the clamping base to realize tight connection.

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.

As an embodiment, the bottom of the bracket is provided with a recess. The present invention provides a recess at the bottom of the bracket. During tooth extraction, the recess at the bottom of the bracket can just touch two adjacent teeth. On the other hand, the force application point increases the stability of the entire tooth extraction device during the tooth extraction process, preventing the bracket from sliding.

As another embodiment, the end of the bracket is provided with a clamping portion. In the present invention, the clamping portion includes a first clamping portion and a second clamping portion, and the first clamping portion and the second clamping portion The two clamping parts are arranged opposite to each other. The distance between the first clamping part and the second clamping part is the thickness of one tooth; when the tooth is being extracted, the first clamping part and the second clamping part clamp the adjacent tooth to be extracted. , so as to avoid possible damage to adjacent teeth during tooth extraction.

Preferably, the clamping part and the bracket are detachably connected; with this arrangement, the clamping part can be disassembled when needed, so as to reduce the distance between the tooth to be extracted and the pull hook, and facilitate force application .

Preferably, the clamping part is made of soft elastic material, and the use of elastic material can improve the patient's comfort during tooth extraction; more preferably, the clamping part is an elliptical piece made of rubber material.

Compared with the prior art, the present invention has the following beneficial effects:

The minimally invasive tooth extraction device provided by the present invention realizes the extraction of the residual tooth root through the interaction between the root canal screw, the root canal screw connection mechanism and the screw mechanism; the minimally invasive tooth extraction device provided by the present invention is applied inside the residual tooth 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 the patient's gums to be damaged, resulting in a larger trauma area, and it is easy to cause fear to the patient; the present invention is especially suitable for relatively few missing teeth, often only The teeth are extracted under the condition that one tooth is missing and the adjacent teeth are relatively strong; the invention has simple structure, reasonable design, minimal trauma during the tooth extraction process, and greatly improves the patient's comfort level.

Description of drawings

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

Fig. 2 is the schematic diagram of the root canal screw of a kind of minimally invasive tooth extraction device that embodiment 1～3 provides;

Fig. 3 is the schematic view of the bracket of the root canal screw removal device provided in Embodiments 1-3;

4 is a schematic diagram of the screw rod of the root canal screw removal device provided in Embodiments 1 to 3;

5 is a schematic diagram of the retractor of the root canal nail removal device provided in Embodiments 1 to 3;

6 is a schematic diagram of another minimally invasive tooth extraction device provided in Example 2 for extracting root canal nails;

7 is a schematic diagram of another minimally invasive tooth extraction device provided in Example 3 for extracting root canal nails;

FIG. 8 is a schematic diagram of the bracket of the root canal nail removal device provided in Example 3;

9 is a schematic diagram of another minimally invasive tooth extraction device provided in Example 4 for extracting root canal nails;

Fig. 10 is a schematic diagram of a root canal screw of a minimally invasive tooth extraction device provided in Example 4;

FIG. 11 is a schematic diagram of a clamping mechanism of a minimally invasive tooth extraction device provided in Example 4. FIG.

detailed description

The present invention will be further described below in combination with specific embodiments.

In the drawings of the embodiments of the present invention, the same or similar symbols correspond to the same or similar components; , "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or It implies that the device or element referred to 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 invention 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 invention.

Example 1

This embodiment provides a minimally invasive tooth extraction device, which includes a root canal screw 1 and a root canal screw removal device 2, and the root canal screw removal device 2 includes a bracket 3 and a screw mechanism 4, and the bracket 3 is provided with a screw hole 5, and the screw mechanism 4 passes through the screw hole 5; the lower end of the screw mechanism 4 on the opening side of the bracket 3 is provided with a root canal screw connection mechanism 6.

Fig. 1 is a schematic diagram of a root canal screw removal device 2, and Fig. 2 is a schematic diagram of a root canal screw 1 compatible with the root canal screw removal device 2; as shown in Fig. 1 and Fig. 5, the root canal screw connection mechanism 6 It is a pull hook 10, and the upper part of the root canal nail 1 is provided with a through hole 8, and the pull hook 10 can pass through the through hole 8, so as to realize the tight connection between the pull hook 10 and the root canal nail 1; Fig. 3 is a schematic diagram of the bracket 3, as As shown in FIG. 3 , the bracket 3 includes a first support rod 31 and a second support rod 32 , and one end of the first support rod 31 and the second support rod 32 are connected by a cross bar 7 .

In this embodiment, the draw hook 10 is detachably connected to the screw mechanism 4; with this arrangement, it is convenient to disassemble and sterilize the draw hook, and it is also conducive to the extraction of root canal screws used for minimally invasive tooth extraction. Storage of the device; FIG. 4 is a schematic diagram of the screw mechanism 4 of the present embodiment, as shown in FIG. 4 , the end of the screw mechanism 4 is provided with an annular groove 9, and FIG. 5 is a schematic diagram of the drag hook 10, as shown in FIG. 5 , The drag hook 10 includes a hook tail 101, a hook body 102 and a hook point 103. The hook tail 101 is embedded in the annular groove 9 provided at the end of the screw mechanism 4, and the hook tail 101 can be set to be adapted to the annular groove 9. The collar adopts this arrangement, by embedding the hook tail 101 of the drag hook 10 in the annular groove 9, preventing the drag hook 10 from breaking away from the screw mechanism 4, and increasing the tightness of the connection between the drag hook 10 and the screw mechanism 4; the hook tail 101 The entire structure is set as a collar, and the collar is embedded in the annular groove 9, which can more conveniently realize the tight connection between the drag hook 10 and the screw mechanism 4; in this embodiment, the screw mechanism 4 is a screw rod .

The minimally invasive tooth extraction device provided in this embodiment realizes the extraction of the residual root of the tooth through the interaction between the root canal nail 1, the root canal nail connection mechanism 6 and the screw mechanism 4; Force is applied inside the residual root, and the root canal nail 1 driven into the tooth residual root is pulled by the rotating screw mechanism 4 to drive the extraction of the entire residual root.

Example 2

Fig. 6 is a schematic diagram of another minimally invasive tooth extraction device provided in this embodiment, the root canal screw removal device. The screw rod 4 on the opposite side of the opening direction of the support 3 is provided with a rotating head 12 , and the rotating head 12 is connected with the screw rod 4 by a screw, which facilitates the replacement of the rotating head 12 . In this embodiment, the rotating head 12 is provided with a handle bar 15, which can be conveniently used by medical staff with little strength, especially female doctors, and the use of the handle bar 15 can prevent fingers from directly operating the rotating head 12. pain.

Example 3

Fig. 7 is a schematic diagram of another minimally invasive tooth extraction device provided in this embodiment, the device for extracting root canal screws. The screw rod 4 on the opposite side of the opening direction of the support 3 is provided with a rotating head 12 , and the rotating head 12 is connected with the screw rod 4 by a screw, which facilitates the replacement of the rotating head 12 . In this embodiment, the rotating head 12 is provided with a handle bar 15, which can be conveniently used by medical staff with little strength, especially female doctors, and the use of the handle bar 15 can prevent fingers from directly operating the rotating head 12. pain.

Figure 8 is a schematic diagram of the bracket 3 of this embodiment, as shown in Figure 8, the end of the bracket 1 is provided with a clamping portion 14, the clamping portion 14 includes a first clamping portion 141 and a second clamping portion 142, the first clamping portion 141 and the second clamping portion 142 are disposed opposite to each other. In this embodiment, the distance between the first clamping portion 141 and the second clamping portion 142 is the thickness of one tooth; during tooth extraction, the first clamping portion 141 and the second clamping portion 142 clamp Hold the adjacent tooth to be extracted, so as to avoid possible damage to the adjacent tooth during tooth extraction; the clamping part 14 in this embodiment is an oval piece made of soft elastic material such as rubber material Shape, the use of elastic materials can improve the patient's comfort during tooth extraction.

The minimally invasive tooth extraction device provided by the utility model applies force inside the residual root, and drives the extraction of the entire residual root by pulling the root canal nail driven into the residual root, without causing damage to the periodontal tissue and gingiva around the residual root. However, the tooth extraction forceps in the existing tooth extraction operation apply force around the residual root, and the use of the 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.

Example 4

This embodiment provides a minimally invasive tooth extraction device, which includes a root canal screw 1 and a root canal screw removal device 2, and the root canal screw removal device 2 includes a bracket 3 and a screw mechanism 4, and the bracket 3 is provided with a screw hole 5, and the screw mechanism 4 passes through the screw hole 5; the lower end of the screw mechanism 4 on the opening side of the bracket 3 is provided with a root canal screw connection mechanism 6.

Fig. 9 is a schematic diagram of the root canal nail removal device 2, and Fig. 10 is a schematic diagram of the root canal nail 1 adapted to the root canal nail removal device 2. In this embodiment, the root canal nail can be routinely used clinically The helical root canal nail has no modification on its upper part; as shown in Figure 9 and Figure 11, the root canal nail connection mechanism 6 is a clamping mechanism 11, and the clamping mechanism 11 includes an active rod 111, and the active A clamping base 112 is fixed on the rod 111, and a clamping arm 110 is arranged on the clamping base 112; FIG. 11 is a schematic diagram of a clamping mechanism 11 of a minimally invasive tooth extraction device provided in Embodiment 4. Among them, the clamping mechanism 11 is a clamping arm 110. As shown in FIG. 11, the clamping arm 110 is composed of a first clamping arm 113 and a second clamping arm 114; A clamping arm 113 and a second clamping arm 114 clamp the upper part of the root canal screw 1 to realize the tight connection between the clamping mechanism 11 and the root canal screw 1 , and then the root canal screw 1 can be pulled out.

As shown in Figure 9, the bottom of the bracket 3 is provided with a concave portion 13. During the tooth extraction process, the concave portion 13 at the bottom of the bracket 3 can just touch the two adjacent teeth. On the one hand, this provides a point of application for the tooth extraction operation. 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 12 is provided on the screw rod 4 on the side opposite to the opening direction of the bracket 3 , and the rotating head 12 and the screw rod 4 are connected by a screw, which facilitates the replacement of the rotating head 12 . In this embodiment, the rotating head 12 is provided with a handle bar 15, which can be conveniently used by medical staff with little strength, especially female doctors, and the use of the handle bar 15 can prevent fingers from directly operating the rotating head 12. pain.

Claims (10)

1. Wicresoft's dental device, it is characterized in that, described Wicresoft dental device 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 canal pin bindiny mechanism (6).

2. Wicresoft's dental device 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 (7).

3. Wicresoft's dental device according to claim 1, it is characterised in that described canal pin (1) top is provided with through hole (8), and described canal pin bindiny mechanism (6) is drag hook (10).

4. Wicresoft's dental device according to claim 3, it is characterized in that, described screw mechanism (4) end is provided with annular groove (9), described drag hook (10) includes hook tail (101), coupler body (102) and bill (103), and described hook tail (101) embeds in the annular groove (9) that screw mechanism (4) end is arranged.

5. Wicresoft's dental device according to claim 1, it is characterised in that described canal pin bindiny mechanism (6) is clamping device (11).

6. Wicresoft's dental device according to claim 5, it is characterized in that, described clamping device (11) includes driving lever (111), described driving lever (111) is fixed with Holding seat (112), described Holding seat (112) is provided with clamping limb (110).

7. Wicresoft's dental device according to claim 1, it is characterised in that described screw mechanism (4) is screw rod.

8. Wicresoft's dental device 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 (12).

9. Wicresoft's dental device according to claim 1, it is characterised in that the bottom of described support (3) is provided with recess (13).

10. Wicresoft's dental device according to claim 1, it is characterised in that the end of described support (3) is provided with clamping part (14).