Alginate impression injector

Abstract

The utility model discloses an alginate impression injector which comprises an injector body and an injection head installed on the front side of the injector body, the injection head comprises an injection connecting pipe and an injection opening connected with the front end of the injection connecting pipe, an opening communicated with the injection connecting pipe is formed in the left side of the injection opening, and the injection connecting pipe is connected with the injection opening. The injection port is obliquely arranged forwards from left to right, a connecting pipe for sleeving the injection connecting pipe is arranged on the front side of the injector, the injection head is an algae offset printing mold material injection head or a silicon rubber offset printing mold material injection head, and the length of the injection head is more than 50mm. The oral cavity injection syringe is simple in structure, convenient to use, soft in injection head, even in injection and good in using effect, when the injection syringe extends into the oral cavity of a human body and makes contact with the tongue of the human body, people cannot feel uncomfortable, alginate impression materials are prevented from making contact with the throat, cough cannot be caused, the front end of the injection syringe is long, and when the alginate impression materials are injected into the oral cavity, the injection syringe is convenient to use. Operation is convenient, and working efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an alginate impression syringe. Background Art

[0002] With the emergence of an aging population, more and more elderly people need dentures. At present, when taking a model for dental implants in a hospital, alginate impression materials are needed. During the operation, a common syringe push injection method is generally used, but the traditional syringe has the following shortcomings when used: 1. When the syringe is inserted into the human oral cavity, it contacts the human tongue, which makes people feel uncomfortable. Sometimes it is inevitable that the alginate impression material will touch the throat, which will cause coughing. At the same time, the alginate impression material cannot be evenly injected into the front, middle, and back of the oral cavity. The mandibular lingual side and other parts of the mouth are difficult to enter due to the difficulty of the impression material, resulting in problems such as inability to make or incomplete preparation, and the use effect is not good, which brings great inconvenience to the injection of alginate impression materials; 2. The front end of the syringe is relatively short, and when injecting the alginate impression material into the oral cavity, the operation is inconvenient and the work efficiency is low. Therefore, in order to avoid the shortcomings existing in the prior art, it is necessary to improve the prior art. Utility Model Content

[0003] The utility model aims to overcome the shortcomings and deficiencies in the prior art and provide an alginate impression syringe which has a simple structure and is easy to use.

[0004] The utility model is realized by the following technical solutions:

[0005] An alginate impression syringe comprises a syringe and an injection head mounted on the front side of the syringe, the injection head comprises an injection connecting tube and an injection port connected to the front end of the injection connecting tube, an opening communicating with the injection connecting tube is arranged on the left side of the injection port, the injection port is arranged tilted forward from left to right, a connecting tube for the injection connecting tube to be sleeved is arranged on the front side of the syringe, the injection head is an alginate impression material injection head or a silicone rubber impression material injection head, and the length of the injection head is more than 50 mm.

[0006] Furthermore, the diameter of the injection connecting tube gradually decreases from the back to the front, and the diameter of the connecting tube gradually decreases from the back to the front.

[0007] Furthermore, the cross section of the injection port gradually increases from left to right.

[0008] Furthermore, the front side wall of the injection port is provided with a plurality of transverse through grooves, and the transverse through grooves extend to the right end of the front side wall of the injection port.

[0009] Furthermore, the cross section of the injection port is square.

[0010] Furthermore, a convex ring is provided on the outer peripheral wall of the rear portion of the injection connecting tube, and a spiral convex strip is provided on the inner peripheral wall of the rear portion of the injection connecting tube.

[0011] Furthermore, the angle formed by the injection port and the injection connecting tube is 100° to 140°.

[0012] Furthermore, a notch is provided on the right side of the rear side wall of the injection port.

[0013] Furthermore, a boss is provided on the outer peripheral wall of the rear portion of the connecting pipe.

[0014] Furthermore, the syringe includes a syringe barrel and a plunger assembly, the rear end of the syringe barrel is provided with a syringe handle, the syringe handle is provided with a plurality of first anti-slip convex strips, the rear end of the plunger assembly is provided with a plunger assembly handle, and the plunger assembly handle is provided with a plurality of second anti-slip convex strips.

[0015] Compared with the prior art, the utility model comprises an alginate impression syringe including a syringe and an injection head installed on the front side of the syringe, the injection head including an injection connecting tube and an injection port connected to the front end of the injection connecting tube, the injection port being arranged tilted forward from left to right, the injection head being an alginate impression material injection head or a silicone rubber impression material injection head, the length of the injection head being more than 50 mm, so that the alginate impression syringe has a simple structure and is easy to use, the injection head is relatively soft, when the syringe is inserted into the human oral cavity, it contacts the human tongue and does not make people feel uncomfortable, and avoids the alginate impression material from touching the throat and does not cause coughing, and at the same time, the alginate impression material can be evenly injected into the front, middle and back of the oral cavity, and the mandibular lingual side and other parts of the mouth are easy to enter due to the impression material, and the problems of being unable to be made or incompletely made will not occur, the use effect is good, the front end of the syringe is relatively long, and when the alginate impression material is injected into the oral cavity, the operation is convenient and the work efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of the alginate impression syringe of the utility model;

[0018] Figure 2 This is a structural exploded view of the alginate impression syringe of the utility model.

[0019] In the figure: 1-syringe; 2-injection head; 3-injection connecting tube; 4-injection port; 5-opening; 6-connecting tube; 7-transverse groove; 8-convex ring; 9-convex strip; 10-notch; 11-boss; 12-syringe barrel; 13-plunger assembly; 14-syringe handle; 15-first anti-slip convex strip; 16-plunger assembly handle; 17-second anti-slip convex strip. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1 and Figure 2 The utility model is shown as an alginate impression syringe, comprising a syringe 1 and an injection head 2 installed on the front side of the syringe 1, the injection head 2 comprising an injection connecting tube 3 and an injection port 4 connected to the front end of the injection connecting tube 3, an opening 5 connected to the injection connecting tube 3 is provided on the left side of the injection port 4, the injection port 4 is inclined forward from left to right, a connecting tube 6 for the injection connecting tube 3 to be sleeved is provided on the front side of the syringe 1, the injection head 2 is an alginate impression material injection head or a silicone rubber impression material injection head, and the length of the injection head 2 is more than 50 mm. The alginate impression syringe comprises a syringe 1 and an injection head 2 installed on the front side of the syringe 1, the injection head 2 comprises an injection connecting tube 3 and an injection port 4 connected to the front end of the injection connecting tube 3, the injection port 5 is arranged tilted forward from left to right, the injection head 2 is an alginate impression material injection head or a silicone rubber impression material injection head, the length of the injection head 2 is more than 50 mm, the alginate impression syringe has a simple structure and is easy to use, the injection head 2 is relatively soft, when the syringe is inserted into the human oral cavity, it contacts the human tongue and does not make people feel uncomfortable, avoids the alginate impression material from touching the throat, and does not cause coughing, and at the same time, the alginate impression material can be evenly injected into the front, middle and back of the oral cavity, and the mandibular lingual side and other parts of the mouth are easy to enter due to the impression material, and there will be no problems such as failure to make or incomplete making, and the use effect is good, the front end of the syringe is relatively long, and when the alginate impression material is injected into the oral cavity, the operation is convenient and the work efficiency is high.

[0022] The diameter of the injection connecting tube 3 gradually decreases from back to front, and the diameter of the connecting tube 6 gradually decreases from back to front, so that the installation of the injection connecting tube 3 and the connecting tube 6 is smoother and the connection is more stable.

[0023] The cross section of the injection port 4 gradually increases from left to right, reducing the flow rate of the alginate in the injection port 4 flowing into the oral cavity.

[0024] The front side wall of the injection port 4 is provided with a plurality of transverse through grooves 7, which extend to the right end of the front side wall of the injection port 4, so that the injection port 4 can be easily deformed under pressure, and the injection port 4 feels more comfortable in contact with the patient's mouth.

[0025] As a specific implementation, the cross section of the injection port 4 is square, which makes it easy to inject into corners and control the molding shape of the alginate.

[0026] A convex ring 8 is provided on the outer peripheral wall at the rear of the injection connecting tube 3, which makes the structure of the rear of the injection connecting tube 3 more solid and the connection with the connecting tube 6 more stable. A spiral convex strip 9 is provided on the inner peripheral wall at the rear of the injection connecting tube 3. The friction between the injection connecting tube 3 and the connecting tube 6 makes the connection between the injection connecting tube 3 and the connecting tube 6 more stable.

[0027] The angle formed by the injection port 4 and the injection connecting tube 3 is 100° to 140°. As a specific implementation, the angle formed by the injection port 4 and the injection connecting tube 3 is 115°.

[0028] A notch 10 is provided on the right side of the rear side wall of the injection port 4 to reduce the structural strength of the injection port 4, so that the injection port 4 is easily deformed under pressure, the injection port 4 feels more comfortable in contact with the human oral cavity, and at the same time reduce the flow rate of the alginate in the injection port 4 into the oral cavity.

[0029] A boss 11 is provided on the outer peripheral wall at the rear of the connecting tube 6 to make the structure of the connecting tube 6 more stable and to make the connection between the injection connecting tube 3 and the connecting tube 6 more stable.

[0030] The syringe 1 includes a syringe barrel 12 and a plunger assembly 13. The rear end of the syringe barrel 12 is provided with a syringe handle 14. The syringe handle 14 is provided with a plurality of first anti-slip ridges 15. The rear end of the plunger assembly 13 is provided with a plunger assembly handle 16. The plunger assembly handle 16 is provided with a plurality of second anti-slip ridges 17. The first anti-slip ridges 15 and the second anti-slip ridges 17 play an anti-slip role, provide a good operating feel, and facilitate the injection operation of the alginate impression syringe.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An alginate impression syringe, characterized in that: It comprises a syringe and an injection head installed on the front side of the syringe, the injection head comprises an injection connecting tube and an injection port connected to the front end of the injection connecting tube, an opening connected to the injection connecting tube is arranged on the left side of the injection port, the injection port is arranged tilted forward from left to right, a connecting tube for the injection connecting tube to be sleeved is arranged on the front side of the syringe, the injection head is an injection head for an alginate impression material or an injection head for a silicone rubber impression material, and the length of the injection head is more than 50 mm.

2. The alginate impression syringe according to claim 1, characterized in that: The diameter of the injection connecting tube gradually decreases from the back to the front, and the diameter of the connecting tube gradually decreases from the back to the front.

3. The alginate impression syringe according to claim 1, characterized in that: The cross section of the injection port gradually increases from left to right.

4. The alginate impression syringe according to claim 1, characterized in that: The front side wall of the injection port is provided with a plurality of transverse through grooves, and the transverse through grooves extend to the right end of the front side wall of the injection port.

5. The alginate impression syringe according to claim 1, characterized in that: The cross section of the injection port is square.

6. The alginate impression syringe according to claim 1, characterized in that: The outer peripheral wall of the rear part of the injection connecting tube is provided with a convex ring, and the inner peripheral wall of the rear part of the injection connecting tube is provided with a spiral convex strip.

7. The alginate impression syringe according to claim 1, characterized in that: The angle formed by the injection port and the injection connecting pipe is 100° to 140°.

8. The alginate impression syringe according to claim 1, characterized in that: A notch is provided on the right side of the rear side wall of the injection port.

9. The alginate impression syringe according to claim 1, characterized in that: The outer peripheral wall of the rear part of the connecting pipe is provided with a boss.

10. The alginate impression syringe according to claim 1, characterized in that: The syringe comprises a syringe barrel and a plunger assembly. The rear end of the syringe barrel is provided with a syringe handle, and the syringe handle is provided with a plurality of first anti-slip convex strips. The rear end of the plunger assembly is provided with a plunger assembly handle, and the plunger assembly handle is provided with a plurality of second anti-slip convex strips.

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