CN218636116U - Bone chisel for dentistry - Google Patents

Abstract

The utility model discloses a dental osteotome, which comprises a chisel handle and a chisel head component, wherein the chisel head component comprises a sleeve, a chisel head main body and an elastic part, the chisel head main body is fixedly arranged at one end of the chisel handle, the sleeve is sleeved outside the chisel head main body, one end of the elastic part is fixedly arranged on the chisel handle or the chisel head main body, and the other end of the elastic part is connected with the sleeve, so that the sleeve and the chisel head main body can slide relatively; the length of the sleeve is greater than that of the chisel head main body, the osteotome has an initial state and a working state, and in the initial state, the end face of the chisel head main body, which is far away from the chisel handle, is contracted in the sleeve, so that the end face of the chisel head main body and the inner wall of the sleeve form an accommodating cavity for accommodating bone powder particles; under the working condition, the elastic piece is in a compressed state, so that the end face, far away from the chisel handle, of the chisel head main body extends out of the sleeve, and the bone powder particles in the containing cavity are pushed into an area to be filled.

Description

Bone chisel for dentistry

Technical Field

The utility model relates to a dentistry field especially relates to an osteotome for dentistry.

Background

When the teeth are seriously damaged, the operation of implanting the teeth is often required to be applied for treatment, and before the teeth are artificially implanted, a dental tool is required to chisel the gum so as to chisel the implant base body which is in accordance with the root pressing appearance of the implanted teeth, thereby reducing the time for implanting the teeth as much as possible.

However, the existing dental tool is only a rigid chisel with a handle, and the implant area needs to be finely adjusted after the chiseling operation is completed, such as tooth powder filling, in the process, the tooth powder can be inevitably stuck to the position outside the area needing tooth powder filling in the oral cavity, and extremely bad feeling can be brought to a patient.

The above background disclosure is only used for assisting understanding of the inventive concept and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, nor does it necessarily give technical teaching; the above background should not be used to assess the novelty or inventiveness of the present application in the event that there is no clear evidence that the above disclosure has been made prior to the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modified dental osteotome to improve the convenience of oral cavity operation and the bad impression of reduction filling bone meal to the patient.

In order to achieve the purpose, the utility model adopts the technical proposal as follows:

the utility model provides a dental osteotome, includes chisel handle and chisel head subassembly, wherein, chisel head subassembly includes sleeve, chisel head main part and elastic component, the fixed setting of chisel head main part is in the one end of chisel handle, the sleeve cover is established the outside of chisel head main part, the fixed setting of one end of elastic component is in on the chisel handle or on the chisel head main part, the other end of elastic component with muffjoint, so that the sleeve can with relative slip takes place for the chisel head main part.

Further, according to any one or a combination of multiple technical solutions, the length of the sleeve is greater than that of the chisel head body, the osteotome has an initial state and a working state, in the initial state, an end face of the chisel head body, which is far away from the chisel handle, is retracted into the sleeve, so that the end face of the chisel head body and an inner wall of the sleeve form an accommodating cavity;

under the working state, the elastic piece is in a compressed state, so that the end face, far away from the chisel handle, of the chisel head main body extends out of the sleeve.

Further, according to any one or a combination of the above technical means, the chisel handle includes a straight rod portion and a curved neck portion, and the chisel head main body is fixedly disposed on an end surface of the curved neck portion, so that the chisel head main body is offset from an axial line of the straight rod portion.

Further, in accordance with any one or a combination of the preceding claims, the chisel handle is straight.

Further, in accordance with any one or a combination of the foregoing technical solutions, the elastic member is a spring, and the elastic member is sleeved outside the chisel head main body.

Further, in accordance with any one or a combination of the foregoing technical solutions, the sleeve is a metal sleeve, and a ring-shaped flexible ring is provided on a circumferential edge of one end of the metal sleeve, which is away from the chisel handle; alternatively, the first and second liquid crystal display panels may be,

the sleeve is made of a plastic material.

Further, in accordance with any one or a combination of the preceding claims, a gap distance between an outer wall of the chisel head body and an inner wall of the sleeve is less than 0.4mm, or the gap distance is less than 0.15mm.

Further, in accordance with any one or combination of the above technical solutions, the outer diameter of the chisel handle is 4.8 to 5.5mm, the inner diameter of the sleeve is 3.9 to 4.1mm, and the outer diameter of the chisel head body is 3.8 to 4.0mm.

Further, with reference to any one or combination of the above technical solutions, in an initial state, a distance between the sleeve and the chisel handle ranges from 4 to 8mm, and a retraction distance of the chisel head body in the sleeve ranges from 1 to 3mm;

in the working state, the distance range of the chisel head main body extending out of the sleeve is 0.4-3 mm.

Further, according to any one or a combination of the above technical means, the deviation distance between the axis of the chisel head main body and the axis of the straight rod part ranges from 1 to 3cm, and the height of the chisel handle ranges from 9 to 13cm.

The utility model provides a beneficial effect that technical scheme brought as follows:

1) An elastic piece is arranged between the sleeve and the chisel handle, so that a buffering effect is favorably exerted in an operation, and damage caused by overlarge force application to a gum is avoided;

2) The bone powder particles to be filled are contained in the containing cavity formed by the sleeve and the chisel head main body, and the bone powder is directly filled in the chiseling operation, so that the operation steps are simplified, and the bad feeling of the filled bone powder to a patient is weakened;

3) After the bone powder is filled, the elastic piece can enable the sleeve to automatically reset.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a first dental osteotome according to an exemplary embodiment of the present invention;

figure 2 is a schematic view of the chisel head assembly of the osteotome of figure 1;

fig. 3 is a schematic structural view of a second dental osteotome according to an exemplary embodiment of the present invention.

Wherein the reference numbers are as follows: 1-chisel shank, 11-straight shank, 12-curved neck, 2-chisel head assembly, 21-sleeve, 22-chisel head body, 23-receiving chamber, 24-spring.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention 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 invention described herein are 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, apparatus, article, or device 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 device.

In an embodiment of the present invention, referring to fig. 1 and 3, a dental osteotome is provided, including a dental osteotome, comprising a chisel handle 1 and a chisel head assembly 2, as shown in fig. 2, the chisel head assembly 2 comprises a sleeve 21, a chisel head main body 22 and an elastic member 24, the chisel head main body 22 is fixedly disposed at one end of the chisel handle 1, the sleeve 21 is sleeved on the outside of the chisel head main body 22, one end of the elastic member 24 is fixedly disposed on the chisel handle 1, the other end of the elastic member 24 is connected with the sleeve 21, so that the sleeve 21 can slide relative to the chisel head main body 22. In a specific embodiment, the elastic element 24 is a spring, which is sleeved outside the lower portion of the chisel head main body 22, the invention does not limit the lower end of the elastic element 24 to be fixedly arranged at the upper end of the chisel handle 1, for example, the lower end of the elastic element 24 may be fixedly arranged on the outer wall of the chisel head main body 22, and the upper end of the elastic element 24 may be fixed on the lower edge of the sleeve 21 or the inner/outer wall thereof by welding or gluing.

As shown in fig. 2, the length of the sleeve 21 is greater than that of the chisel head body 22, the osteotome has an initial state and a working state, in the initial state, the end surface of the chisel head body 22 far away from the chisel shank 1 is contracted in the sleeve 21, so that the end surface of the chisel head body 22 and the inner wall of the sleeve 21 form a containing cavity 23 for containing bone meal particles;

in the working condition, the elastic element 24 is in a compressed state, so that the end face of the chisel body 22 remote from the chisel shank 1 protrudes out of the sleeve 21.

The chisel shank 1 of the first dental osteotome shown in fig. 1 includes a straight shank 11 and a curved neck 12, and the chisel body 22 is fixedly provided on an end surface of the curved neck 12 such that the chisel body 22 is offset from an axial line of the straight shank 11.

The shank 1 of the second dental osteotome shown in figure 3 is straight.

As can be seen from the difference between fig. 1 and 3, the osteotome of fig. 1 having a curved neck portion 12 is more suitable for areas of deeper depth within the oral cavity, such as the posterior gum, the mandibular sinus area, while the osteotome of fig. 3 is more suitable for areas of shallower depth within the oral cavity, such as the anterior gum.

In a specific embodiment, the sleeve 21 is a metal sleeve, and one end of the metal sleeve, which is far away from the chisel handle 1, is provided with a ring-shaped flexible ring or the end of the metal sleeve is provided with a circular arc, or the sleeve 21 is made of a plastic material, so that when the sleeve 21 of the osteotome is pressed against the tooth bed in the oral cavity, for example, the oral cavity can be prevented from being damaged by the sleeve

The dimensions of the osteotome are explained below: the clearance distance between the outer wall of the chisel head main body 22 and the inner wall of the sleeve 21 is less than 0.4mm, or the clearance distance is less than 0.15mm;

the outer diameter of the chisel handle is 4.8 to 5.5mm, the inner diameter of the sleeve 21 ranges from 3.9 to 4.1mm, and the outer diameter of the chisel head main body 22 ranges from 3.8 to 4.0mm;

in the initial state, the distance between the sleeve 21 and the chisel shank 1 ranges from 4 to 8mm, and the retraction distance of the chisel head main body 22 in the sleeve 21 ranges from 1 to 3mm; in the working state, the distance range of the chisel head main body 22 extending out of the sleeve 21 is 0.4-3 mm;

the offset distance between the axis of the chisel head body 22 and the axis of the straight shank 11 ranges from 1 to 3cm, and the height of the chisel shank 1 ranges from 9 to 13cm.

In one specific embodiment, the osteotome is sized and used as follows: the overall height of the chisel handle 1 is 12cm, the overall height of the chisel head assembly 2 is 2cm, wherein the height of the sleeve 21 is 15mm, the height of the chisel head main body 22 is 18mm, in an initial state, the distance between the sleeve 21 and the chisel handle 1, namely the length of the spring in the state is 5mm, namely the distance of the end face of the chisel head main body 22 retracting into the edge of the sleeve 21 is 2mm; in the working state, the compression amount of the spring is about 3.5mm compared with the original state, and the distance of the chisel head main body 22 extending out of the sleeve 21 is about 1.5 mm.

Taking an osteotome with a curved neck 12 as an example, the shank may have an outer diameter of 5mm, the sleeve 21 an inner diameter of 4.1mm, and the chisel body 22 an outer diameter of 4.0mm; the deviation distance range between the axial line of the chisel head main body 22 and the axial line of the straight rod part 11 is 1.5cm, in addition, under the state that the end surface of the chisel head main body 22 retracts into the sleeve 21, the end surface of the chisel head main body 22 and the inner wall of the sleeve 21 form an accommodating cavity 23 for accommodating bone meal particles, the particle size of the bone meal particles is about 0.5mm approximately, the gap distance between the outer wall of the chisel head main body 22 and the inner wall of the sleeve 21 is required to be less than 0.4mm to prevent the particles from entering between the cavity walls, and in the process reaching range, the gap between the two can be smaller and better, so that the stability and the smoothness of the sliding between the two can be improved, for example, the gap distance is close to 0.15mm, for example, the gap distance is 1mm.

When using, support earlier chisel head subassembly 2's sleeve 21 in oral cavity operation region, then strike the one end of keeping away from chisel head subassembly 2 on the chisel handle 1 for the spring compression, chisel handle 1 drives chisel head main part 22 and takes place to slide for sleeve 21, and gliding direction is for being close to oral cavity operation region, and chisel head main part 22 promotes to place in advance and holds the bone meal granule in the chamber 23, and final chisel head main part 22 is gone into the region that needs to fill up the bone meal in the operation region with bone meal granule tooth.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims (10)

1. The utility model provides a dental osteotome, characterized in that, includes chisel handle (1) and chisel head subassembly (2), wherein, chisel head subassembly (2) include sleeve (21), chisel head main part (22) and elastic component (24), chisel head main part (22) are fixed to be set up the one end of chisel handle (1), sleeve (21) cover is established the outside of chisel head main part (22), the one end of elastic component (24) is fixed to be set up on chisel handle (1) or on chisel head main part (22), the other end of elastic component (24) with sleeve (21) are connected, so that sleeve (21) can with relative slip takes place for chisel head main part (22).

2. Dental osteotome according to claim 1, characterised in that said sleeve (21) has a length greater than the length of said chisel body (22), said osteotome having an initial condition in which an end face of said chisel body (22) remote from the chisel shank (1) is retracted within said sleeve (21) so that it forms with the inner wall of said sleeve (21) a housing cavity (23);

in the working state, the elastic piece (24) is in a compressed state, so that the end face, far away from the chisel handle (1), of the chisel head main body (22) extends out of the sleeve (21).

3. Dental osteotome according to claim 1, characterised in that said chisel shank (1) comprises a straight shank portion (11) and a curved neck portion (12), said chisel body (22) being fixedly arranged on the end face of said curved neck portion (12) so that said chisel body (22) is offset from the axial line of said straight shank portion (11).

4. Dental osteotome according to claim 1, characterised in that said chisel shank (1) is of straight rod shape.

5. Dental osteotome according to claim 1, characterized in that said elastic element (24) is a spring, which is housed outside said chisel body (22).

6. Dental osteotome according to claim 1, characterised in that said sleeve (21) is a metal sleeve provided, at its periphery, at the end remote from the chisel shank (1), with a flexible ring in the form of a ring; alternatively, the first and second electrodes may be,

the sleeve (21) is made of a plastic material.

7. Dental osteotome according to claim 1, characterised in that said gap distance between the outer wall of said chisel body (22) and the inner wall of said sleeve (21) is less than 0.4mm, or said gap distance is less than 0.15mm.

8. Dental osteotome according to claim 7, characterised in that said chisel shank has an outer diameter ranging from 4.8 to 5.5mm, said sleeve (21) has an inner diameter ranging from 3.9 to 4.1mm and said chisel head body (22) has an outer diameter ranging from 3.8 to 4.0mm.

9. Dental osteotome according to claim 2, characterised in that in an initial condition the distance between said sleeve (21) and said chisel shank (1) ranges from 4 to 8mm, the retraction distance of said chisel body (22) within the sleeve (21) ranges from 1 to 3mm;

in the working state, the distance range of the chisel head main body (22) extending out of the sleeve (21) is 0.4-3 mm.

10. The dental osteotome according to claim 3, characterized in that the offset distance between the axial center line of said chisel body (22) and the axial center line of said straight shank portion (11) is in the range of 1 to 3cm, and the height of said chisel shank (1) is in the range of 9 to 13cm.

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