CN215349608U

CN215349608U - Heating device

Info

Publication number: CN215349608U
Application number: CN202120748805.XU
Authority: CN
Inventors: 屈铁军; 覃荣情; 韦锋文; 林剑华; 张本琴; 孙胜
Original assignee: Guilin Woodpecker Medical Instruments Co Ltd
Current assignee: Guilin Woodpecker Medical Instruments Co Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-31
Anticipated expiration: 2031-04-13

Abstract

The utility model provides a heating device for hot melting gutta-percha points, which comprises: extending into the body; the pressing and cutting end is arranged on the extending body and connected with the extending body, and heat is conducted to the pressing and cutting end through the extending body; the pressing and cutting end is provided with a compaction end surface and a cutting edge, and the cutting edge is arranged on the edge of the pressing and cutting end. The utility model solves the problem that the heating device in the prior art has poor effect of cutting off gutta-percha points and compacting gutta-percha.

Description

Heating device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a heating device.

Background

The gutta-percha filling system is used in a dental endodontic procedure for filling a root canal in which enlargement has been completed, and the root canal filling process is generally performed by softening a gutta-percha point by heating, compacting gutta-percha in the root canal by a vertical pressurizer, and finally injecting a filling material using an injection gun. When filling the root canal, the heating needle is needed to cut off the gutta-percha point in the root canal, which is far away from the root apex, and then the redundant gutta-percha is taken out.

The tip of the existing heating needle is conical or cylindrical, the effect of cutting off gutta-percha in the shape is poor, redundant gutta-percha is difficult to bring out, the safety position of the cutting-off gutta-percha tip needs to be measured and positioned when the gutta-percha is cut off, and the clinical application is troublesome; the conical or columnar heating needle has small end face area at the tip, so that the vertical pressurizing area is small, and the gutta-percha in the root canal cannot be effectively and vertically pressurized.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a heating device to solve the problem that the prior art is poor in gutta-percha cutting effect and gutta-percha compacting effect.

In order to achieve the above object, the present invention provides a heat generating device for hot melting a gutta-percha point, comprising: extending into the body; the pressing and cutting end is arranged on the extending body and connected with the extending body, and heat is conducted to the pressing and cutting end through the extending body; the pressing and cutting end is provided with a compaction end surface and a cutting edge, and the cutting edge is arranged on the edge of the pressing and cutting end.

Furthermore, a preset included angle is formed between the extending direction of the press-cutting end head and the extending direction of the press-cutting end head extending into the body, and a first step structure is formed between the press-cutting end head and the press-cutting end head extending into the body.

Further, the first step structure is provided with a first step end face, and the first step end face is connected with the compaction end face through a connecting end face.

Furthermore, the connection end face comprises a first connection end face and a second connection end face which are connected with each other, the first connection end face is a curved face, and the second connection end face is a plane.

Furthermore, at least part of the press-cutting end is in a circular truncated cone shape, an avoiding end face used for avoiding materials is arranged on the press-cutting end, and the avoiding end face is parallel to the axis of the press-cutting end.

Further, the heat generating device further includes: a first pipe body; the second pipe body extends into the body, at least part of the second pipe body penetrates through the first end of the second pipe body and is connected with the second pipe body, and at least part of the first pipe body penetrates through the second end of the second pipe body; at least part of the wire sequentially passes through the first pipe body, the second pipe body and stretches into the body to be connected with the press-cutting end head so as to form a conductive loop between the first pipe body and the second pipe body and the stretch into the body.

Further, a preset interval is arranged between the outer surface of the first pipe body and the inner wall surface of the second pipe body, so that the first pipe body and the second pipe body are in an open circuit.

Further, the heat generating device further includes: the first insulating part is arranged between the first pipe body and the second pipe body, a first end face of the first insulating part is connected with the first pipe body, and a second end face of the first insulating part is connected with the second pipe body.

Furthermore, a port of the second pipe body is provided with a first positioning portion, and the first insulating part is provided with a second positioning portion matched with the first positioning portion.

Further, the first positioning portion and the second positioning portion are both of a second step structure.

Furthermore, a third positioning part is arranged on the first pipe body, and a fourth positioning part matched with the third positioning part is arranged on the first insulating part.

Further, the third positioning portion and the fourth positioning portion are both of a third step structure.

Further, the heat generating device further includes: and the second insulating part is arranged at the insertion end of the first pipe body, the second insulating part is sleeved on the first pipe body, and at least part of the second insulating part is connected with the inner wall surface of the second pipe body.

By applying the technical scheme of the utility model, the heating device is used for carrying out hot melting on the gutta-percha point, wherein the heating device comprises an extending body and a press-cutting end head, the press-cutting end head is arranged on the extending body and connected with the extending body, and heat is conducted to the press-cutting end head through the extending body; the pressing and cutting end is provided with a compaction end surface and a cutting edge, and the cutting edge is arranged on the edge of the pressing and cutting end. Set up like this and can cut off the gutta-percha point in the root canal through the cutting sword on the pressure-cutting end, utilize the compaction terminal surface to carry out perpendicular pressurization to the gutta-percha effectively simultaneously, need not to use other apparatus, make the cutting pressurization accomplish in step, convenient and fast has improved the cutting and the compaction effect of the device that generates heat to the gutta-percha point, has solved the device that generates heat among the prior art and has cut off the poor problem of effect of gutta-percha point and compaction gutta-percha.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a schematic structural diagram of an embodiment of a heat generating device according to the present invention; and

fig. 2 shows an enlarged view of a portion a of the heat generating device according to fig. 1.

Wherein the figures include the following reference numerals:

1. extending into the body; 2. pressing and cutting the end; 20. compacting the end face; 3. a first step structure; 30. a first step end face; 21. connecting the end faces; 211. a first connection end face; 212. a second connection end face; 4. a first pipe body; 5. a second tube body; 6. a first insulating member; 7. a second insulating member; 8. and (4) conducting wires.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a heating device, please refer to fig. 1 and fig. 2, for performing hot melting on a gutta-percha point, the heating device includes: extending into the body 1; the press-cutting end 2 is arranged on the extending body 1, is connected with the extending body 1 and conducts heat to the press-cutting end 2 through the extending body 1; the press-cutting end head 2 is provided with a compaction end face 20 and a cutting edge, and the cutting edge is arranged at the edge of the press-cutting end head 2.

The heating device provided by the utility model is used for carrying out hot melting on gutta-percha points, and comprises an extending body 1 and a press-cutting end head 2, wherein the press-cutting end head 2 is arranged on the extending body 1 and is connected with the extending body 1, and heat is conducted to the press-cutting end head 2 through the extending body 1; the press-cutting end head 2 is provided with a compaction end face 20 and a cutting edge, and the cutting edge is arranged at the edge of the press-cutting end head 2. Set up like this and can cut off the gutta-percha point in the root canal through the cutting sword on the pressure-cutting end 2, utilize compaction terminal surface 20 to carry out perpendicular pressurization to the gutta-percha effectively simultaneously, need not to use other apparatus, make the synchronous completion of cutting pressurization, convenient and fast has improved the device that generates heat and has cut off the cutting and the compaction effect of gutta-percha point to the gutta-percha point, has solved the device that generates heat among the prior art and has cut off the poor problem of effect of gutta-percha point and compaction gutta-percha.

It should be noted here that the edge of the press-cut end 2 refers to an end face on which the outer contour of the press-cut end 2 is located, and in the heat-generating device provided by the present invention, the edge of the press-cut end 2 is located on the outer contour face where the radial cross-sectional area of the press-cut end 2 is largest.

In the implementation process, as shown in fig. 1, a predetermined included angle is formed between the extending direction of the press-cutting tip 2 and the extending direction of the press-cutting tip extending into the body 1, and a first step structure 3 is formed between the press-cutting tip 2 and the press-cutting tip extending into the body 1. In the process of compacting gutta-percha, the excess gutta-percha can be brought out by the first step structure 3.

In the exemplary embodiment provided by the present invention, the first step structure 3 has a first step end face 30, and the first step end face 30 is connected to the compacting end face 20 via a connecting end face 21. This ensures that the cutting tip 2 has a certain thickness to provide a certain compacting force to the gutta percha.

Specifically, the connection end surface 21 includes a first connection end surface 211 and a second connection end surface 212 connected to each other, the first connection end surface 211 is a curved surface, and the second connection end surface 212 is a flat surface. Wherein, the cutting sword is corresponding with first connection terminal surface 211, and the cutting sword extends along bent shape orbit, like this when cutting the gutta-percha point, only need rotate stretch into body 1 can, set up second connection terminal surface 212 into the plane simultaneously, make to have a certain distance between the pipe wall of second connection terminal surface 212 and root canal, avoided the inner chamber to seal like this and be difficult to the pressor problem, make the gutta-percha in the root canal fill full.

In the embodiment provided by the utility model, at least part of the press-cutting end head 2 is in a circular truncated cone shape, an avoiding end face for avoiding materials is arranged on the press-cutting end head 2, and the avoiding end face is parallel to the axis of the press-cutting end head 2. The cutting blade sets up on the major diameter circular arc of round platform, dodges unnecessary gutta-percha through dodging the terminal surface like this, and at the pressurized in-process to the gutta-percha, unnecessary gutta-percha overflows between the pipe wall of dodging terminal surface and root canal to carry over out through first step terminal surface, make the gutta-percha fill labour saving and time saving. Preferably, the outer diameter of the large end is 0.6mm to 1.0mm, the outer diameter of the small end is 0.5mm to 0.8mm, and the outer diameter of the mounting end protruding into the body 1 is 0.4mm to 0.55 mm.

In specific implementation, as shown in fig. 1, the heat generating device further includes: a first tube 4; the second pipe body 5, at least part of which extends into the body 1 is arranged at the first end of the second pipe body 5 in a penetrating way and is connected with the second pipe body 5, and at least part of the first pipe body 4 is arranged at the second end of the second pipe body 5 in a penetrating way; at least part of the wire 8 sequentially passes through the first pipe body 4 and the second pipe body 5 and extends into the body 1 and then is connected with the press-cutting end 2 so as to form a conductive loop between the first pipe body 4 and the second pipe body 5 and the extending body 1. Can conveniently heat with pressure cutting end 2 like this, because the resistance of pressure cutting end 2 department is great, the big temperature of heat is high under the same electric current to realize softening and the purpose of cutting the gutta percha point.

Specifically, in order to avoid the short circuit, a predetermined space is provided between the outer surface of the first pipe 4 and the inner wall surface of the second pipe 5, so that the first pipe 4 and the second pipe 5 are disconnected.

In order to connect and fasten the first pipe 4 and the second pipe 5, the heat generating device further includes: and a first insulating member 6 disposed between the first pipe 4 and the second pipe 5, a first end surface of the first insulating member 6 being connected to the first pipe 4, and a second end surface of the first insulating member 6 being connected to the second pipe 5.

In order to position the first insulating part 6 conveniently, a port of the second pipe 5 is provided with a first positioning portion, and the first insulating part 6 is provided with a second positioning portion matched with the first positioning portion. Preferably, the first positioning portion and the second positioning portion are both the second step structure. A third positioning portion is arranged on the first pipe 4, and a fourth positioning portion matched with the third positioning portion is arranged on the first insulating part 6. The third positioning portion and the fourth positioning portion are both of a third step structure.

In an embodiment provided by the present invention, the heat generating device further includes: and a second insulating member 7 disposed at the insertion end of the first tube 4, wherein the second insulating member 7 is sleeved on the first tube 4, and at least a part of the second insulating member 7 is connected to the inner wall surface of the second tube 5. The second insulating part 7 is an insulating heat shrinkable tube, and the first insulating part 6 and the second insulating part 7 are both made of insulating plastics.

The heating device has various specifications, does not need to be positioned by using an identification card, and can well control to cut off gutta-percha at a safe position. In the specific use process, firstly, the specification of the corresponding press cutting end 2 is selected according to the size of the root canal; heating the pressure cutting end 2, cutting the gutta-percha point by using the cutting edge, and rotatably extending into the body 1, wherein the gutta-percha point can be easily cut off due to the sharp edge of the cutting edge; continuing heating, and pushing the extending body 1 to a position 3mm to 7mm away from the apex hole; after the gutta-percha point is cut off in a rotating mode, the heating device is lifted upwards, and redundant gutta-percha is brought out by the aid of the end face of the first step. The whole operation process does not need other instruments, time and labor are saved, convenience and rapidness are realized, and meanwhile, the filling effect of gutta-percha in the root canal is improved.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the heating device provided by the utility model is used for carrying out hot melting on gutta-percha points, and comprises an extending body 1 and a press-cutting end head 2, wherein the press-cutting end head 2 is arranged on the extending body 1 and is connected with the extending body 1, and heat is conducted to the press-cutting end head 2 through the extending body 1; the press-cutting end head 2 is provided with a compaction end face 20 and a cutting edge, and the cutting edge is arranged at the edge of the press-cutting end head 2. Set up like this and can cut off the gutta-percha point in the root canal through the cutting sword on the pressure-cutting end 2, utilize compaction terminal surface 20 to carry out perpendicular pressurization to the gutta-percha effectively simultaneously, need not to use other apparatus, make the cutting pressurization accomplish in step, convenient and fast has improved the device that generates heat and has cut off the cutting and the compaction effect of gutta-percha point to the gutta-percha point, has solved the device that generates heat among the prior art and has cut off the problem that the effect of gutta-percha point and compaction gutta-percha is poor.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat generating device for hot melting a gutta-percha point, comprising:

extends into the body (1);

a press-cutting end (2) arranged on the extending body (1) and connected with the extending body (1), and conducting heat to the press-cutting end (2) through the extending body (1);

the pressing and cutting end head (2) is provided with a compacting end face (20) and a cutting edge, and the cutting edge is arranged on the edge of the pressing and cutting end head (2).

2. The heat generating device according to claim 1, characterized in that a predetermined angle is formed between the extension direction of the press-cutting tip (2) and the extension direction of the protrusion body (1), and a first step structure (3) is formed between the press-cutting tip (2) and the protrusion body (1).

3. The heat-generating device according to claim 2, characterized in that the first step structure (3) has a first step end face (30), the first step end face (30) being connected to the compacting end face (20) by a connecting end face (21).

4. The heat generating device according to claim 3, wherein the connection end surface (21) comprises a first connection end surface (211) and a second connection end surface (212) connected to each other, the first connection end surface (211) is a curved surface, and the second connection end surface (212) is a flat surface.

5. The heating device according to any one of claims 1 to 4, wherein at least a part of the press-cutting end head (2) is in a circular truncated cone shape, an avoiding end surface for avoiding the materials is arranged on the press-cutting end head (2), and the avoiding end surface and the axis of the press-cutting end head (2) are parallel to each other.

6. The heat-generating device according to any one of claims 1 to 4, further comprising:

a first pipe (4);

the part extending into the body (1) penetrates through the first end of the second pipe body (5) and is connected with the second pipe body (5), and the part extending into the body (1) penetrates through the second end of the second pipe body (5); at least part of the wire (8) sequentially penetrates through the first pipe body (4), the second pipe body (5) and the stretching body (1) and then is connected with the press-cutting end (2), so that a conductive loop is formed among the first pipe body (4), the second pipe body (5) and the stretching body (1).

7. The heat generating device according to claim 6, wherein a predetermined space is provided between an outer surface of the first pipe (4) and an inner wall surface of the second pipe (5) to open the first pipe (4) and the second pipe (5).

8. The heat-generating device according to claim 7, further comprising:

the first insulating part (6) is arranged between the first pipe body (4) and the second pipe body (5), a first end face of the first insulating part (6) is connected with the first pipe body (4), and a second end face of the first insulating part (6) is connected with the second pipe body (5).

9. The heat-generating device according to claim 8, wherein a port of the second tube (5) is provided with a first positioning portion, and the first insulating member (6) is provided with a second positioning portion engaged with the first positioning portion.

10. The heat-generating device according to claim 9, wherein the first positioning portion and the second positioning portion are each a second stepped structure.

11. The heat generating device according to claim 8, wherein a third positioning portion is provided on the first pipe (4), and a fourth positioning portion that matches the third positioning portion is provided on the first insulating member (6).

12. The heat-generating device according to claim 11, characterized in that the third positioning portion and the fourth positioning portion are each a third stepped structure.

13. The heat-generating device according to claim 7, further comprising:

the second insulating part (7) is arranged at the insertion end of the first pipe body (4), the second insulating part (7) is sleeved on the first pipe body (4), and at least part of the second insulating part (7) is connected with the inner wall surface of the second pipe body (5).