CN216702693U

CN216702693U - Medical syringe for dentistry

Info

Publication number: CN216702693U
Application number: CN202123288497.6U
Authority: CN
Inventors: 冀大江
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-06-10
Anticipated expiration: 2031-12-25

Abstract

The utility model discloses a medical dental syringe, wherein a needle point connecting part is of a truncated cone-shaped structure with a downward tip part, an external thread is arranged on the needle point connecting part, a needle point main body is of a cone-shaped structure with a smooth outer surface, an internal thread matched with the external thread is arranged inside the needle point main body, an annular groove is formed in the top of the outer surface of the needle point main body, a marking block is arranged on a syringe needle, a clamping block matched with the annular groove is arranged at the top of the inner side of a needle point protective sleeve, a groove bent inwards is formed in the top surface of a push rod handle, and a syringe tube protective plate is an arc-shaped plate with a downward bent end part.

Description

Medical syringe for dentistry

Technical Field

The utility model belongs to the technical field of syringes, and particularly relates to a medical syringe for dentistry.

Background

The syringe is a common medical appliance, and dentist need use oral cavity inside when using the syringe, and its operating accuracy is higher, and its syringe needle part of current syringe has been taken the structure of pyramid for the stability of connecting mostly, can cause the oppression to the oral cavity, has improved patient's sense of pain, and the syringe of oral cavity inside often can be because the great phenomenon that causes the weeping of pressure, provides a neotype medical syringe of dentistry based on this.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the dental medical injector which has the advantages of simple structure, more stable and convenient connection, more comfortable use, improved needle application accuracy and stability and reduced pain of patients.

In order to achieve the purpose, the utility model provides the following technical scheme: a medical syringe for dentistry comprises a syringe tube, a syringe push rod arranged in the syringe tube, a push rod handle arranged at the top of the syringe push rod, syringe tube guard plates arranged at two sides of the top of the syringe tube, a needle point connecting part arranged at the bottom of the syringe tube, a needle point main body connected with the needle point connecting part externally, a needle head fixing block arranged at the bottom of the needle point main body, a syringe needle arranged in the middle of the needle head fixing block, and a needle point protective sleeve connected with the needle point main body externally, wherein the needle point connecting part is of a truncated cone-shaped structure with a downward needle point part, the needle point main body is of a cone-shaped structure with a smooth outer surface, an internal thread matched with the external thread is arranged in the needle point main body, a ring groove is arranged at the top of the outer surface of the needle point main body, a marking block is arranged on the syringe needle, and a clamping block matched with the ring groove is arranged at the top of the inner side of the needle point protective sleeve, the top surface of the push rod handle is provided with a groove bent inwards, the syringe tube protective plate is an arc-shaped plate with the end part bent downwards, and the needle head fixing block and the marking block are set to be different colors.

Compared with the prior art, the utility model has the beneficial effects that:

1. set up the needle point portion main part into the cone structure of smooth surface, can alleviate the pain sense that the needle point portion in use brought to the oppression of patient's oral cavity, and be equipped with the mark piece on the syringe needle, can make in use accurate the length of giving needle of accuse needle point, improved accurate definite and the convenience of use.

2. Connect through the screw thread between needle point connecting portion and the needle point portion main part, improved the stability of connecting, avoided spilling of liquid when pressure is great simultaneously.

3. The push rod handle with the top surface bent towards the inner side and the syringe tube protective plate with the end part bent towards the lower side are arranged, so that the stability and the comfort in the process of applying the needle are improved.

4. The fixture block of ring channel and adaptation has been set up, has improved the stability that pinpoint portion main part and pinpoint portion protective sheath are connected.

Drawings

FIG. 1 is a schematic view of the structure of the syringe body according to the present invention;

FIG. 2 is a schematic view of the tip body of the present invention;

fig. 3 is a schematic view of the structure of the needle tip protection sleeve of the present invention.

In the figure: the injection needle comprises a 1 syringe tube, a 2 syringe push rod, a 3 push rod handle, a 4 syringe tube protective plate, a 5 needle point connecting part, a 6 needle point main body, a 7 needle head fixing block, an 8 injection needle, a 9 needle point protective sleeve, a 10 external thread, a 11 internal thread, a 12 marking block, a 13 annular groove and a 14 clamping block.

Detailed Description

Example one

Referring to fig. 1 to 3, a medical dental syringe comprises a syringe tube 1, a syringe push rod 2 arranged inside the syringe tube 1, a push rod handle 3 arranged on the top of the syringe push rod 2, syringe tube guard plates 4 arranged on both sides of the top of the syringe tube 1, a needle point connecting part 5 arranged at the bottom of the syringe tube 1, a needle point main body 6 externally connected with the needle point connecting part 5, a needle head fixing block 7 arranged at the bottom of the needle point main body 6, an injection needle 8 arranged in the middle of the needle head fixing block 7, and a needle point protecting sleeve 9 externally connected with the needle point main body 6, wherein the needle point connecting part 5 is of a truncated cone structure with a downward tip part, the needle point main body 6 is of a cone structure with a smooth outer surface, an internal thread 11 matched with the external thread 10 is arranged inside the needle point main body 6, and an annular groove 13 is arranged on the top of the outer surface of the needle point main body 6, the syringe needle is characterized in that a marking block 12 is arranged on the syringe needle 8, a clamping block 14 matched with the annular groove 13 is arranged at the top of the inner side of the needle tip protecting sleeve 9, a groove bent inwards is formed in the top surface of the push rod handle 3, the syringe tube protecting plate 4 is an arc-shaped plate with the end portion bent downwards, and the syringe needle fixing block 7 and the marking block 12 are set to be different colors.

When in use, the push rod handle 3 is arranged to be a groove with the top surface bent towards the inner side, the syringe tube protective plate 4 is arranged to be a bent arc-shaped plate with the downward end part, the stability and the comfort of needle application are improved, the needle point connecting part 5 and the needle point part main body 6 are connected through threads, the stability of connection is improved, meanwhile, the leakage of liquid under larger pressure is avoided, the needle point part main body 6 is arranged to be a cone structure with a smooth outer surface, the pain of the needle point part on the oral cavity of a patient caused by compression in use can be relieved, in addition, the injection needle 8 is provided with the marking block 12, the needle head fixing block 7 and the marking block 12 are arranged to be different colors, the distance between the marking block 12 and the needle point is about 2cm, the needle application length of the needle point can be accurately controlled in use, the accurate determination and the convenience of use are improved, the needle point part main body 6 and the needle point part protective sleeve 9 are clamped through the annular groove 13 and the clamping block 14 which is matched, the stability of connection is improved, the security of using has been improved.

The technical solution in 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. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a dentistry medical syringe, including syringe pipe (1), syringe push rod (2) of syringe pipe (1) inside setting, push rod handle (3) that syringe push rod (2) top set up, syringe pipe backplate (4) that syringe pipe (1) top both sides set up, needle point connecting portion (5) that syringe pipe (1) bottom set up, needle point portion main part (6) of needle point connecting portion (5) external connection, needle point portion main part (6) bottom set up syringe needle fixed block (7), syringe needle (8) that set up in the middle of needle point fixed block (7), needle point portion main part (6) external connection's needle point portion protective sheath (9), its characterized in that: needle point connecting portion (5) are sharp portion round platform shape structure down, and needle point connecting portion (5) are provided with external screw thread (10), needle point portion main part (6) are the cone structure of smooth surface, and needle point portion main part (6) inside be equipped with internal thread (11) of external screw thread (10) adaptation, needle point portion main part (6) surface top is equipped with ring channel (13), be equipped with mark piece (12) on syringe needle (8), needle point portion protective sheath (9) inboard top is equipped with fixture block (14) with ring channel (13) adaptation, push rod handle (3) top surface is equipped with the recess to the inside lateral curvature, syringe tube backplate (4) are the arc of tip downwarping.