CN211751539U

CN211751539U - Dental anesthetic needle

Info

Publication number: CN211751539U
Application number: CN201922141483.8U
Authority: CN
Inventors: 孙光梅
Original assignee: Anshun people's hospital
Current assignee: Anshun people's hospital
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-27
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses an anesthesia needle for dentistry, which comprises a needle cylinder, the outside of cylinder is equipped with the scale interval, the one end of cylinder is equipped with annular baffle, be equipped with rubber piston in the cylinder, one side of rubber piston is equipped with the piston rod, the piston rod is kept away from rubber piston's one end extends to the cylinder outside is equipped with the press plate, the cylinder is kept away from the one end of press plate is equipped with the drain pipe, drain pipe outside cover is equipped with the round piece that generates heat, the drain pipe is kept away from the one end of cylinder is equipped with the sleeve pipe, just the sleeve pipe is round platform form, the sleeve pipe is kept away from the one end of drain pipe is equipped with the liquid outlet, the liquid outlet is kept away from sheathed tube one end is equipped with the syringe needle, the outside of cylinder is equipped with annular support plate, and. Has the advantages that: the inconvenience of injection caused by the fear psychology of the patient is reduced, the injection precision of the anesthetic is improved, and the treatment efficiency is improved.

Description

Dental anesthetic needle

Technical Field

The utility model relates to the field of medical technology, particularly, relate to an anesthesia needle for dentistry.

Background

From a medical point of view, anesthesia means that a patient temporarily loses sensation wholly or locally by medication or other methods to achieve painless purpose, providing conditions for surgical treatment or other medical examination and treatment. Anesthesia can be broadly classified into general anesthesia and local anesthesia. General anesthesia, the state of sleeping that just says always, "patient consciousness disappears, and whole body muscle is lax, can not experience pain yet, need inject the anesthetic agent to patient's gum when injecting the anesthetic agent when dental surgery, need stretch into the syringe needle and cause the patient easily in the patient's mouth and produce the fear psychology of fear when the injection, cause the fear, the lip rocks with the tooth easily, and it is big to cause the injection degree of difficulty.

According to patent No. CN201420010360.5, the anesthetic needle provided improves the efficiency of anesthetic injection, but still lets the patient produce the fear psychology when injecting anesthetic, causes the injection degree of difficulty big, influences the injection precision, delays the patient's state of an illness.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides an anesthetic needle for dentistry to overcome the above-mentioned technical problem that prior correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

an anesthetic needle for dentistry comprises a needle cylinder, wherein the outer side of the needle cylinder is provided with a scale interval, one end of the needle cylinder is provided with an annular baffle, a rubber piston is arranged in the needle cylinder, one side of the rubber piston is provided with a piston rod, one end of the piston rod, far away from the rubber piston, extends to the outer side of the needle cylinder and is provided with a pressing plate, one end of the needle cylinder, far away from the pressing plate, is provided with a liquid outlet pipe, the outer side of the liquid outlet pipe is sleeved with a circle of heating sheet, one end of the liquid outlet pipe, far away from the needle cylinder, is provided with a sleeve, the sleeve is in a round table shape, one end of the sleeve, far away from the liquid outlet pipe, is provided with a needle head, the outer side of the needle cylinder is provided with an annular supporting plate, the annular, and an annular fixing plate is arranged at one end of the support rod, which is far away from the annular support plate.

Furthermore, a silica gel gasket is arranged in the middle of one side of the pressing plate.

Furthermore, one end of the sleeve, which is far away from the liquid outlet pipe, is provided with a stop plate.

Furthermore, the sleeve is provided with a plurality of thread rings.

Furthermore, a plurality of scale marks are arranged on the needle head.

Furthermore, one end of the annular fixing plate, which is far away from the supporting rod, is provided with a silica gel cushion layer.

The utility model has the advantages that: by arranging the annular supporting plate and the annular fixing plate on the outer side of the needle cylinder, when the dental patient is treated, the annular fixing plate is arranged in the mouth of the patient to fix the lips and the teeth of the patient, the needle cylinder is connected with the annular supporting plate through the spring, so that the angle of the needle cylinder can be conveniently changed after the annular fixing plate is fixed stably, thereby changing the injection angle of the needle head, inserting the needle head into the local muscular tissue of the patient needing the operation by holding the needle cylinder by medical staff after the needle head is fixed and stable, then injecting anesthetic, by stably opening the lips of the patient, the problems that the deviation of the injection of the anesthetic occurs, the treatment progress is influenced and the condition of the patient is delayed due to the inconvenient treatment caused by the fear of the psychology of the patient during the treatment are prevented, can reduce the inconvenience of injection that the fear psychology of patient caused, improve the precision of anesthetic injection, improve the efficiency of treatment.

Drawings

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

Fig. 1 is a schematic structural view of an anesthetic needle for dental use according to an embodiment of the present invention;

fig. 2 is a side view of a dental anesthetic needle according to an embodiment of the present invention;

fig. 3 is a schematic partial structure view of an anesthesia needle for dental use according to an embodiment of the present invention.

In the figure:

1. a needle cylinder; 2. a scale value; 3. an annular baffle; 4. a rubber piston; 5. a piston rod; 6. a pressing plate; 7. a liquid outlet pipe; 8. a heat generating sheet; 9. a sleeve; 10. a liquid outlet; 11. a needle head; 12. an annular support plate; 13. a spring; 14. a support bar; 15. an annular fixed plate; 16. a silica gel gasket; 17. a stop plate.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to an embodiment of the present invention, an anesthetic needle for dentistry is provided.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, an anesthetic needle for dental use according to an embodiment of the present invention includes a needle cylinder 1, the outside of the needle cylinder 1 is provided with a scale 2, one end of the needle cylinder 1 is provided with an annular baffle 3, the inside of the needle cylinder 1 is provided with a rubber piston 4, one side of the rubber piston 4 is provided with a piston rod 5, one end of the piston rod 5 away from the rubber piston 4 extends to the outside of the needle cylinder 1 to be provided with a pressing plate 6, one end of the needle cylinder 1 away from the pressing plate 6 is provided with a liquid outlet pipe 7, the outside of the liquid outlet pipe 7 is sleeved with a ring of heating sheets 8, one end of the liquid outlet pipe 7 away from the needle cylinder 1 is provided with a sleeve 9, the sleeve 9 is in a circular truncated cone shape, one end of the sleeve 9 away from the liquid outlet pipe 7 is provided with a liquid outlet 10, one end of, the outer side of the needle cylinder 1 is provided with an annular supporting plate 12, the annular supporting plate 12 is connected with the outer side wall of the needle cylinder 1 through a spring 13, one side of the annular supporting plate 12 is provided with a group of supporting rods 14, and one end, far away from the annular supporting plate 12, of each supporting rod 14 is provided with an annular fixing plate 15.

In one embodiment, the middle position of one side of the pressing plate 6 is provided with a silica gel gasket 16, and by adopting the scheme, the comfort degree of fingers of medical personnel during injection can be improved.

In one embodiment, a stop plate 17 is arranged at one end of the sleeve 9 far away from the liquid outlet pipe 7, so that a stress point is conveniently provided for medical staff when the needle head is replaced, and the efficiency of replacing the needle head is improved.

In one embodiment, the sleeve 9 is provided with a plurality of thread rings, and by adopting the scheme, the resistance of the sleeve 9 can be improved, so that medical personnel can conveniently separate the sleeve 9 from the liquid outlet pipe 7, and the needle replacement efficiency of the medical personnel is improved.

In one embodiment, a plurality of scale marks are arranged on the needle head 11, and by adopting the scheme, medical staff can observe the needle head 11 more intuitively, so that the medical staff can judge the depth of the needle head 11 penetrating into the muscular tissue of a patient conveniently.

In one embodiment, a silica gel cushion layer is arranged at one end of the annular fixing plate 15 away from the support rod 14, and by adopting the scheme, the comfort level of the patient during the treatment can be improved.

The working principle is as follows: the needle 11 is inserted into the prepared anesthetic to be extracted, then the piston rod 5 is pulled to drive the rubber piston 4 to draw the anesthetic to be extracted into the needle cylinder 1, the quantity of the anesthetic to be injected into a patient is determined by observing the drawing quantity through the scale value 2, then the annular fixing plate 15 is placed into the mouth of the patient to fix the lips and teeth of the patient, the needle cylinder 1 is connected with the annular supporting plate 12 through the spring 13, so that the angle of the needle cylinder 1 can be conveniently changed after the annular fixing plate 15 is fixed and stabilized, thereby the injection angle of the needle 11 is changed, after the annular fixing plate is fixed and stabilized, the needle cylinder 1 is held by medical staff, the needle 11 is inserted into the local muscular tissue of the patient to be operated, then the anesthetic is injected, through observing the scale lines on the needle 11, the medical staff can conveniently judge the depth of the needle 11 inserted into the muscular tissue of the patient, the needle cylinder 1 is clamped by the index finger, then press the pressing plate 6 through the thumb, make pressing plate 6 drive piston rod 5 and remove, and then make piston rod 5 drive rubber piston 4 and extrude the anesthetic in cylinder 1, heat the anesthetic through piece 8 that generates heat when passing through drain pipe 7, avoid too cold in chilly season medicament to cause the stimulation to patient's muscle, influence treatment, then pour into in patient's the local musculature.

In conclusion, with the help of the above technical solution of the present invention, through the annular supporting plate 12 and the annular fixing plate 15 arranged at the outside of the syringe 1, when treating the dental patient, the annular fixing plate 15 is placed in the mouth of the patient to fix the lips and teeth of the patient, the connection between the syringe 1 and the annular supporting plate 12 through the spring 13 can facilitate the change of the angle of the syringe 1 after the annular fixing plate 15 is fixed and stabilized, thereby changing the injection angle of the needle 11, after the fixation and stabilization, the syringe 1 is held by the medical staff, the needle 11 is inserted into the local musculature of the patient to be operated and then injected with anesthetic, through opening the lips of the patient stably, preventing the patient from having inconvenience in treatment due to fear of psychological fear, causing deviation in injection of anesthetic, affecting the treatment progress, delaying the patient's state of illness, can reduce the inconvenience of injection that the fear psychology of patient caused, improve the precision of anesthetic injection, improve the efficiency of treatment.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The dental anesthetic needle is characterized by comprising a needle cylinder (1), wherein the outer side of the needle cylinder (1) is provided with a scale value (2), one end of the needle cylinder (1) is provided with an annular baffle (3), a rubber piston (4) is arranged in the needle cylinder (1), one side of the rubber piston (4) is provided with a piston rod (5), one end, far away from the rubber piston (4), of the piston rod (5 extends to the outer side of the needle cylinder (1) and is provided with a pressing plate (6), one end, far away from the pressing plate (6), of the needle cylinder (1) is provided with a liquid outlet pipe (7), the outer side of the liquid outlet pipe (7) is sleeved with a circle of heating sheets (8), one end, far away from the needle cylinder (1), of the liquid outlet pipe (7) is provided with a sleeve (9), the sleeve (9) is in a round table shape, one end, far away from the liquid outlet pipe (, liquid outlet (10) are kept away from the one end of sleeve pipe (9) is equipped with syringe needle (11), the outside of cylinder (1) is equipped with annular support plate (12), and, annular support plate (12) with be connected through spring (13) between the lateral wall of cylinder (1), one side of annular support plate (12) is equipped with a set of bracing piece (14), bracing piece (14) are kept away from the one end of annular support plate (12) is equipped with annular fixed plate (15).

2. A dental anesthetic needle according to claim 1, characterized in that a silicone gasket (16) is provided at a side intermediate position of the pressing plate (6).

3. A dental anesthetic needle according to claim 1, characterized in that the end of the sleeve (9) remote from the outflow conduit (7) is provided with a stop plate (17).

4. A dental anesthetic needle according to claim 1, characterized in that the sleeve (9) is provided with a number of thread turns.

5. A dental anesthetic needle in accordance with claim 1, characterized in that the needle head (11) is provided with a plurality of graduation marks.

6. A dental anesthetic needle according to claim 1, characterized in that a silicone cushion is provided at an end of the annular fixing plate (15) remote from the support bar (14).