WO2019190136A1

WO2019190136A1 - Dental impression material mixing tip

Info

Publication number: WO2019190136A1
Application number: PCT/KR2019/003436
Authority: WO
Inventors: 허윤석
Original assignee: 계명대학교 산학협력단
Priority date: 2018-03-27
Filing date: 2019-03-25
Publication date: 2019-10-03

Abstract

The present invention provides a dental impression material mixing tip comprising: a connector part to which cartridges for respectively accommodating an impression material and a hardening agent are coupled at the rear thereof; a mixing tube provided in front of the connector part as a hollow pipe body, so as to provide a path through which the impression material and the hardening agent move; and a plurality of vane members, the flat widthwise-surface of each having a wave-like shape with cyclic peaks, connected in a line inside the hollow mixing tube in a twisted shape so as to transfer the impression material and the hardening agent while mixing same inside the mixing tube by means of a surface-linked motion, wherein the impression material and the hardening agent moving inside the mixing tube simulate a surface-linked motion and move due to changes in the density of the space in which the impression material and the hardening agent move, and thus the mixing efficiency of the impression material and the hardening agent is improved over that of a conventional mixing tip, the length of the mixing tip can be reduced so as to enable device miniaturization, and the amount of material remaining in the mixing tip can be minimized.

Description

Dental Impression Material Mixing Tips

The present invention relates to a dental impression material mixing tip for mixing the impression material and the hardener as a material, and more particularly, the thickness of the vane member is formed in the form of a wave having a protruding period, the density of the space in which the impression material and the curing agent moves The present invention relates to a dental impression material mixing tip which causes the impression material and the hardener to face-interlock with each other, thereby improving the mixing efficiency of the impression material and the hardener.

In general, impression materials are impression and dental materials used for dental treatment, and are classified into elastic and inelastic impression materials. Examples of the elastomeric impression material include colloidal arginate, thiocol, lava base, and silicon lava base, and the inelastic impression material may include a modeling compound and zinc eugenol.

The impression material is mixed and ejected by the mixing tip in the state of being stored in the hardener and usually a pair of cartridges, respectively. Referring to Korean Patent Application Publication No. 10-2015-0078712 (2015.07.08.), The impression material and the hardener are stored in the cartridge consisting of a pair of cylinders, respectively, the impression material and the hardener stored in each cylinder coupled to the cartridge is discharged simultaneously Mixing tips are disclosed that allow for mixing while the same.

The mixing tip is connected to the socket of the cartridge is connected to the connector, the lower portion is wider and the upper portion of the mixing portion is formed integrally coupled with the connection connector, and the inlet side is wide and the outlet to accommodate the mixing member of the mixing portion The side is narrowly formed in multiple stages and includes a mixing tube seated on the connector for connection, and a cap portion for receiving the mixing tube and fixedly coupled with the connector for coupling, and the coupling wing portion is coupled to the mixing tip coupling end of the cartridge.

The conventional mixing tip has a problem that the impression material and the hardener are not mixed with each other and pass through the mixing screw as it is, so that the impression material and the hardener may not be uniformly mixed and the mixing efficiency is poor, which makes it difficult to use.

In order to solve this problem, the conventional mixing tip has been lengthened to increase the mixing efficiency of the impression material and the curing agent, but it is not only difficult to miniaturize the device, but also the material that remains in the mixing tip as the length increases. It has a problem of increasing in proportion.

The present invention forms a thick surface of the vane member for mixing and conveying the impression material and the curing agent in the form of a wave having a protruding period, so that the impression material and the curing agent for moving the mixing tube by the density change of the space in which the impression material and the curing agent move. It is moved by simulating peristaltic movement, and by forming different lengths of the first vane and the second vane partitioned based on the turning point of the protruding period, the impression material and the hardener are contracted by the density of the space where the impression material and the hardener move. In addition to the relaxation effect, the mixing efficiency of the impression material and the curing agent is improved compared to the prior art, the overall length of the mixing tip is possible to reduce the size of the device, as well as the dental impression material that can minimize the amount of material remaining on the mixing tip The purpose is to provide a mixing tip.

Dental impression material mixing tip according to the present invention is provided in front of the connector portion in the connector portion and the hollow body having a connector for coupling the cartridge containing the impression material and the hardener, respectively, mixing to provide a passage through which the impression material and the hardener is moved. While the tube and the thickness surface on the plate are formed in a wave shape having a protruding period, in a twisted shape, a plurality of lines are connected in a row inside the hollow of the mixing tube, and the impression material and the hardener in the mixing tube are face-mounted. It includes a vane member for conveying while mixing in the peristaltic movement.

The first vane and the second vane according to the present invention may be formed to have different lengths.

At this time, the length ratio of the first vane and the second vane on the basis of the total length of the vane member according to the present invention may be formed in any one ratio of 4: 6, 3: 7, 2: 8, 1: 9. have.

The vane member according to the present invention may be partitioned into first and second vanes based on the projection period switching point, and may protrude convexly on only one of the upper and lower surfaces of the first and second vanes. have.

In this case, only one of the upper and lower surfaces of the first vane and the second vane according to the present invention may protrude convexly, but may protrude convexly in opposite directions.

In addition, the vane member according to the present invention may be divided into the first vane and the second vane on the basis of the projection period switching point, and may protrude convexly on both upper and lower surfaces of the first and second vanes. .

In addition, the dental impression material mixing tip according to the present invention includes a shaft extending in a forward direction from the front center of the connector portion in the cross section '+' type, each of the vane member provided as a separate individual connecting shaft portion A through hole of a '+' shape is formed in the center of the connecting shaft portion, and the vane member is inserted into the shaft through the through hole of the connecting shaft portion and received in a row in the mixing tube to form a mixing tip.

At this time, any one of the vane member of the plurality of vane member according to the present invention is provided with a bearing, coupled to idle the shaft around the shaft (idle), by rotating the shaft by the extrusion pressure of the impression material and the hardener to the shaft do.

Dental impression material mixing tip according to an embodiment of the present invention has the following effects.

First, the impression material and the hardener which move the mixing tube by the change in the density of the space where the impression material and the hardener are moved by forming the thickness surface of the vane member which conveys the impression material and the hardener in the form of a wave having a protruding period are surface-linked. By moving and simulating movement, the mixing efficiency of the impression material and the hardener is improved as compared to the conventional, and the length of the mixing tip can be shortened, so that the device can be miniaturized and the amount of material remaining on the mixing tip can be minimized. Has an effect.

Second, as the lengths of the first vane and the second vane partitioned based on the turning point of the protrusion period are different from each other, the shrinkage / relaxation action is added to the impression material and the hardener by the density of the space in which the impression material and the hardener move. Since the mixing efficiency of the impression material and the curing agent is improved compared to the prior art, it is possible to shorten the overall length of the mixing tip to have a miniaturization of the device, as well as to minimize the amount of material remaining in the mixing tip.

1 is an exemplary diagram illustrating a configuration of a dental impression material mixing tip according to an embodiment of the present invention.

2 is an exemplary view illustrating that only one surface of the vane member according to an embodiment of the present invention protrudes convexly.

FIG. 3 is an exemplary view illustrating that only one surface of the vane member according to an embodiment of the present invention is formed to protrude convexly and protrude convexly in opposite directions.

Figure 4 is an exemplary view illustrating the convex protrusion formed on both sides of the upper, lower surfaces of the vane member according to an embodiment of the present invention.

5 is an exemplary view illustrating that a plurality of protrusion periods of the vane member according to an embodiment of the present invention are formed.

Figure 6 is an exemplary view illustrating the mixing tip by assembling by configuring the vane member in accordance with an embodiment of the present invention.

7 is an exemplary view illustrating a configuration of a dental impression material mixing tip according to another embodiment of the present invention.

8 is an exemplary view illustrating that the ratio of the length of the first vane and the second vane to the vane member according to another embodiment of the present invention is 2: 8.

FIG. 9 is an exemplary view illustrating that a first to second vane length ratio of the vane member according to another embodiment of the present invention is 3: 7.

FIG. 10 is an exemplary view illustrating that the first and second vane length ratios of the vane members according to another embodiment of the present invention are 4: 6.

11 is an exemplary view illustrating the mixing tip by assembling the vane member in accordance with another embodiment of the present invention.

The present invention provides a connector portion for coupling the cartridge containing the impression material and the hardener to the rear, and a thickness of the mixing tube and the plate which is provided in front of the connector part with a hollow body to provide a passage through which the impression material and the hardener move. The vane is formed in a wave shape having a protrusion period, twisted in a twisted shape, a plurality of dogs are connected in a row inside the mixing tube hollow, and conveyed while mixing the impression material and the hardener in the mixing tube in a plane-interlocking motion. Including the member, the impression material and the curing agent moving the mixing tube by the change in the density of the space in which the impression material and the curing agent is moved to simulate the surface-peristalsis movement, thereby improving the mixing efficiency of the impression material and the curing agent than conventional Of course, it is possible to reduce the length of the mixing tip to reduce the size of the device, It can minimize the amount of material flow.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all of the technical idea of the present invention, these are equivalent to replaceable at the time of the present application It should be understood that there may be variations.

According to an embodiment of the present invention, the thickness of the vane member is formed in a wave shape having a protruding period, and the impression material and the curing agent are plane-interlocked within the mixing tube by the density change of the space in which the impression material and the curing agent move. And a dental impression material mixing tip that improves the mixing efficiency of the curing agent, referring to the drawings as follows.

Dental impression material mixing tip according to an embodiment of the present invention with reference to Figure 1 includes a connector portion 10, the vane member 20, the mixing tube 30, the connector portion 10 is cylindrical in the front side It becomes narrower toward the front, and through the rear is combined with the front end of the cartridge (1, 2) containing the impression material and the hardener, respectively.

At this time, two coupling holes 11 are formed at the rear of the connector part 10 in a vertical or horizontal line, and the impression material cartridge 1 and the curing agent cartridge 2 are respectively formed through the coupling holes 11. Combined and fixed.

In addition, the two coupling holes 11 are formed to communicate with each other from the rear side of the connector portion 10 to the front side, and the impression material and the hardener extruded from the cartridges 1 and 2 respectively are the front of the connector portion 10. Guided to the side.

Here, the front of the connector unit 10 is provided with a vane member 20, the impression material and the hardener extruded toward the front is moved along the vane member 20 and mixed with each other is extruded forward.

And the outer circumference of the vane member 20 is provided with a mixing tube 30, the mixing tube 30 is a tubular body having a hollow, the inner hollow is a mixing tip formed of a plurality of vane members 20 are connected in a row It provides a passage through which the impression material and the curing agent mixed with each other while being extruded by.

At this time, since the plurality of vane members 20 are integrally connected to the front of the connector part 10 and made of a mixing tip, assembly properties are improved, and productivity is improved.

Here, the plurality of vane members 20 according to an embodiment of the present invention are connected to each other in a row at regular intervals, and the vane members 20 form a wave shape so that a thickness surface has a protruding period. It is connected in a row at regular intervals, and as the thickness of the protrusion of the thickness surface of the vane member 20 is changed, the density of the mixing space is changed, thereby improving the mixing efficiency.

2 to 5, the vane member 20 is made of a twisted shape of the body on the plate formed in the form of a wave having a protruding period in the thickness plane in the longitudinal axis of the twist, the wave protruding convex It is formed into a surface, and divided into the first vane 21 and the second vane 22 on the basis of the turning point of the wave, the length of the first vane 21 and the second vane 22 based on the total length It is preferable to form the ratio in a ratio of 5: 5.

Here, the starting point thickness t1 of the first vane 21 is a starting point of the second vane 22, which is the end point of the first vane 21, based on the body length direction of the vane member 20. The thickness t3 and the end point thickness t5 of the second vane 22 are equal to each other, the protruding point thickness t2 of the first vane 21 and the protruding point thickness of the second vane 22 ( It is preferable to form t4) equal to each other.

Accordingly, the thicknesses of the first vane 21 and the second vane 22 forming the vane member 20 are formed to have a protruding period in the form of a convexly protruding wave, thereby forming the inside of the mixing tube 30. A relatively large mixing space and a relatively small mixing space are alternately formed along the longitudinal direction in the space, so that the impression material and the hardener conveyed along the mixing tube 30 are surface-linked by the vane member 20. Extruded while mixing in motion.

Here, the surface-linked motion mimics peristaltic motion, which is a muscle motion that allows food to be evenly mixed in the fire extinguisher by changing the thickness of the thickness of the vane member 20, wherein the thickness surface of the vane member 20 has a protruding period. Impression material extruded through the mixing tube 30 by the vane member 20 by alternately forming a relatively large mixing space and a relatively small mixing space in the inner space of the mixing tube 30 as a wave shape And hardener are mixed with each other in a surface-linked motion.

At this time, the vane member 20 is divided into a first vane 21 and a second vane 22 based on the turning point of the wave, as shown in FIG. 2, the first vane 21 and the second vane ( Only one of the upper and lower surfaces of 22) protrudes convexly, or as shown in FIG. 3, only one of the upper and lower surfaces of the first and

second vanes

21 and 22 is reversed. It can be formed convexly protruding.

Of course, as shown in FIG. 4, both the upper and lower surfaces of the first vane 21 and the second vane 22 may protrude convexly, and as shown in FIG. 5, the first vane may be formed. A plurality of protruding periods of the 21 and second vanes 22 may be formed, and the protruding thicknesses of the first and

second vanes

21 and 22 may be different from each other.

In addition, referring to Figure 6, the vane member 20 according to an embodiment of the present invention may be a plurality of individual pieces are assembled to each other to form a mixing tip, the vane member 20 provided as an individual object of the user Selective combinations may be assembled in a row on the front surface of the connector unit 10 to form a mixing tip.

In this case, only one of the upper and lower surfaces of the first vane 21 and the second vane 22 is formed to protrude convexly, or the upper surface of the first vane 21 and the second vane 22. Any one of the vane members 20 are formed to protrude convexly in any one of the lower side surfaces, or protrude convexly on both the upper and lower surfaces of the first vane 21 and the second vane 22. Dogs can be assembled in various combinations to achieve mixing tips.

Therefore, the dental mixing tip according to the present invention minimizes the section through which the impression material and the hardener are not mixed as it is, and thus the mixing efficiency is increased, and maintains the uniform quality by continuous repeated mixing or conveying, as well as the vane member. Since the thickness of the first vane 21 and the second vane 22 is formed in the shape of a wave having a protruding period, the mixing efficiency of the impression material and the curing agent is improved compared to the prior art, thus shortening the overall length of the mixing tip. This allows miniaturization of the device as well as minimizing the amount of material remaining on the mixing tip.

Again, the mixing tip is formed in the front center of the connector portion 10, the shaft 12 having a cross section '+' toward the front, wherein the shaft 12 is perpendicular to the front of the connector portion 10 or It is preferable to be located between two coupling holes 11 horizontally, preferably formed integrally extending from the front surface of the connector portion 10, but not limited to the end of the shaft 12 is the connector It may be fixed by screwing to the front of the portion (10).

When the shaft 12 is coupled to the connector portion 10 by screwing, the length of the shaft 12 may be variously applied.

And the mixing tip includes a hollow mixing tube 30, the hollow mixing tube 30 is inserted into the shaft 12 through the rear end, the rear end of the mixing tube 30 is the connector It is fixedly coupled to the portion 10.

Accordingly, the shaft 12 is positioned at the center of the mixing tube 30, and the impression material and the hardener extruded toward the front of the connector 10 are guided to the mixing tube 30 with the shaft 12 as an axis and extruded forward. do.

In the present invention, the mixing tube 30 is described as a separate configuration, but is not limited thereto, and the shaft 12 may be integrated in the front surface of the connector unit 10, and may be integrally extended toward the front. .

In addition, a connection shaft portion 23 is formed at the center of each of the plurality of vane members 20 provided as individual objects, and a '+'-type through hole is formed at the center of the connection shaft portion 23 to form the vane member ( 20 is fitted to the shaft 12 through the through hole of the connecting shaft portion 23 is assembled.

At this time, the vane member 20 fitted to the shaft 12 is assembled in a state in which rotation is interrupted, and a plurality of the vane members 20 are accommodated in a row by the user's assembly combination in the mixing tube 30 to form a mixing tip. (12) A fastener is coupled to the foremost end to prevent the vane member 20 from being pulled out of the shaft 12, and to allow both ends of the shaft 12 to be fixed on a horizontal line. 12) prevents eccentricity on either side.

In addition, the mixing tip according to another embodiment of the present invention is coupled to one of the plurality of vane member 20 is idle to the shaft (12) to the shaft (idle), by the extrusion pressure of the impression material and the hardener to the vane An acting friction may cause the shaft 12 to rotate about its axis.

For example, when the vane member 20 is provided to rotate idling, a bearing having a hole of '+' is formed in the connecting shaft 22 of the vane member 20, and the vane member 20 includes the shaft ( 12) Idle about axis.

In this case, a bushing or a washer is disposed between the vane members 20, so that frictional resistance between the connecting shaft 23 of the vane member 20 and the connecting shaft 23 of the other vane member 20 adjacent to the vane member 20 is minimized. It can be easily rotated.

Therefore, the vane member 20 is rotated about the shaft 12 by the friction with the impression material and the hardener extruded forward by the bearing provided in the connecting shaft portion 23, the resistance force according to the extrusion pressure is reduced The durability of the mixing tip is improved.

In addition, the vane member 20 according to another embodiment of the present invention, the first vane 21 and the second vane 22 may be formed different in length from each other, referring to the drawings in more detail Same as

7 to 11, the vane member 20 is formed in a twisted shape of the body on the plate formed in a wave form having a body thickness surface of the plate having a protruding period twisted in the longitudinal axis, the wave is convex The first vane 21 and the second vane 22 are defined based on the turning point of the protruding period (wave), and the thickness of the starting point of the first vane 21 t1 is equal to the starting point thickness t3 of the second vane 22, which is the end point of the first vane 21, and the ending point thickness t5 of the second vane 22, and is equal to the first vane 21. The thickness of the protrusion point t2 of) and the thickness of the protrusion point t4 of the second vane 22 are the same.

The vane member 20 is divided into a first vane 21 and a second vane 22 based on the turning point of the wave, as shown in FIGS. 8 to 10. The length ratios of the second vanes 22 are different from each other, and the impression material and the hardening material are mixed with each other while the speed in the longitudinal direction changes according to the moving section, thereby increasing the mixing efficiency.

In this case, the length ratio of the first vane 21 and the second vane 22 may be selectively selected from among 4: 6, 3: 7, 2: 8, and 1: 9 based on the entire length of the vane member 20. It can be formed in one ratio.

In addition, only one of the upper and lower surfaces of the first and

second vanes

21 and 22 is formed to protrude convexly, or the upper and lower surfaces of the first and

second vanes

21 and 22 are formed. Only one side of the side is formed to protrude convexly, it may be formed convexly protruding alternately.

Both the upper and lower surfaces of the first vane 21 and the second vane 22 may protrude convexly, and of course, the protruding thicknesses of the first vane 21 and the second vane 22 may also be mutually convex. It may be formed otherwise.

The impression material and the hardener extruded by the vane member 20 are moved in a spiral shape, and one end of the second vane 22 of the vane member 20 is the first vane 21 of the adjacent vane member 20. The impression material and the hardener are mixed and moved when the impression material and the hardener move along the vane member 20.

11, the vane member 20 is provided with a plurality of individual objects each, the vane member 20 provided as individual objects are assembled in a line on the front surface of the connector portion 10 by the user's selective combination. To achieve a mixing tip.

In this case, the length ratio of the first vane 21 disposed on the front side and the second vane 22 disposed on the rear side is different from each other. The higher the ratio of the front side, the lower the resistance and the lower the ratio of the front side. Recording resistance is high, and as the length ratio of the first vane 21 and the second vane 22 is formed differently based on the overall length of the vane member 20, the density of the space in which the impression material and the hardener move is moved. Shrinkage / relaxation action is added to the impression material and the hardener, thereby improving the mixing efficiency.

In addition, the first vane 21 and the second vane 22 according to the present invention may be selectively mixed and connected to each other without being limited to any one ratio, and the number of vane members 20 may also be mixed. (30) As long as the length allows, it can change and provide as much as possible.

When the plurality of vane members 20 are assembled in a row in front of the connector part 10, the first vane 21 and the second vane 22 may be sequentially assembled in an alternating position. have.

When the first and second vanes 21 and the second vanes 22 having a length ratio different from each other in the front and rear lines are connected in a line, the length of the first vanes 21 and the second vanes 22 Small vanes may be disposed adjacent to each other with the smallest vane among the first and second vanes of the adjacent vane member 20.

For example, the vane member 20 has a length ratio of the first vane 21 and the second vane 22 based on the total length of 3: 7, and the other vane members 20 connected in series are The length ratio of the first vane 21 and the second vane 22 may be 8: 2 based on the total length.

Accordingly, the distance that the impression material and the hardening material move one rotation along the first vane 21 and the second vane 22 is different, so that the degree of shrinkage in the longitudinal direction is different for each section of the impression material and the hardening material. The mixing rate is improved.

In addition, a connection shaft portion 22 is formed at the center of each of the plurality of vane members 20 provided as individual objects, and a '+'-type through hole is formed at the center of the connection shaft portion 22 and the vane member ( 20 is fitted to the shaft 12 through the through hole of the connecting shaft portion 22 is assembled.

The vane member 20 may be assembled such that the plurality of first vanes 21 and the second vanes 22 are alternately arranged when the vane members 20 are assembled in a row in front of the connector unit 10.

In the present invention, the cross section of the shaft has been described as a '+' type, but the present invention is not limited thereto, and the first vane 21 and the second vane 22 are fitted to the shaft 12 by applying various shapes. According to the needs of the user, the vane angle of the first vane 21 or the second vane 22 may be varied to be assembled.

In addition, the mixing tip according to the embodiment of the present invention is coupled to one of the plurality of vane member 20 to the shaft (idle) around the shaft (12), acting on the vane by the extrusion pressure of the impression material and the hardener The shaft 12 can be rotated about an axis by friction.

For example, when the vane member 20 is provided to be idling, a bearing having a hole of '+' is formed in the connecting shaft 23 of the vane member 20, and the vane member 20 is formed on the shaft ( 12) Idle about axis.

Therefore, in the present invention, while the thickness surface of the vane member is formed in a wave shape having a protruding period, the lengths of the first and second vanes partitioned based on the turning point of the protruding period are different from each other, so that the impression material and the hardener move. By varying the space, a contraction / relaxation effect is added to the impression material and the hardener, or the impression material and the hardener are surface-interlocked in a mixing tube providing a passage, thereby improving the mixing efficiency of the impression material and the hardener.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims

A connector unit for coupling the cartridge containing the impression material and the hardener to the rear;

A mixing tube provided in front of the connector part with a hollow tube to provide a passage through which the impression material and the hardener move; And

While the thick surface on the plate is formed in a wave shape having a protruding period, in a twisted shape, a plurality of pieces are connected in a row inside the mixing tube hollow, and the impression material and the curing agent are plane-interlocked in the mixing tube. Dental impression material mixing tip comprising a vane member for conveying while mixing.
The method according to claim 1,

The first vane and the second vane

Dental impression material mixing tip, characterized in that the length is formed different from each other.
The method according to claim 2,

Length ratio of the first vane and the second vane on the basis of the overall length of the vane member is a dental impression material mixing tip is formed in any one ratio of 4: 6, 3: 7, 2: 8, 1: 9.
The method according to claim 1,

The vane member is divided into the first vane and the second vane on the basis of the projection period switching point, the dental impression material mixing tip formed convexly protruding only one of the upper and lower surfaces of the first and second vanes.
The method according to claim 4,

A dental impression material mixing tip of the first vane and the second vane is formed convexly protruding only one of the upper and lower surfaces, but protruded in the opposite direction to each other.
The method according to claim 1,

The vane member is divided into the first vane and the second vane on the basis of the projection period switching point, the dental impression material mixing tip is formed convexly protruding both the upper and lower surfaces of the first and second vanes.
The method according to claim 1,

A cross section includes a shaft extending toward the front from the front center of the connector portion in the shape of '+', and a connecting shaft portion is formed at the center of each vane member provided as an individual object, and a '+' at the center of the connecting shaft portion. 'A through-hole is formed, the vane member is inserted into the shaft through the through-hole of the connecting shaft is accommodated in a row inside the mixing tube to form a mixing tip of the dental impression material, characterized in that the mixing tip.
The method according to claim 7,

Any one of the vane members of the plurality of vane member is provided with a bearing, coupled to the shaft (idle) to the shaft (idle), characterized in that the shaft is rotated around the shaft by the extrusion pressure of the impression material and the hardener Dental Impression Material Mixing Tips.