CN211326901U

CN211326901U - Special 1ml syringe for subcutaneous injection

Info

Publication number: CN211326901U
Application number: CN201921612223.8U
Authority: CN
Inventors: 张彦彦; 滕艳秋; 张惠敏
Original assignee: Affiliated Hospital of Xuzhou Medical University
Current assignee: Affiliated Hospital of Xuzhou Medical University
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-08-25
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to the technical field of syringes, specifically be a special 1ml syringe of hypodermic, including the syringe subassembly, the syringe subassembly includes empty section of thick bamboo, and the other end of empty section of thick bamboo is equipped with an organic whole syringe needle, and integrative syringe needle outside cover is equipped with the overcoat syringe needle, and the overcoat syringe needle includes the second pintle, and first cylindrical slot has been seted up to the tip of second pintle, and the other end of second pintle is equipped with second syringe needle connecting piece, and the cylindrical slot of second has been seted up to the tip of second syringe needle connecting piece, and cylindrical logical groove has been seted up to the bottom level of the cylindrical slot of second, and cylindrical logical groove runs through second syringe needle. This special 1ml syringe of hypodermic can carry out the extraction of liquid medicine through the installation overcoat syringe needle when having the leather plug ampoule to aspirate the liquid medicine, just so avoided the needle point of 1ml syringe itself to become blunt, just can not excessively damage skin when the puncture, also avoided the syringe secondary to change the syringe needle, reduced the risk of syringe needle pollution, obeyed aseptic technique's principle.

Description

Special 1ml syringe for subcutaneous injection

Technical Field

The utility model relates to the technical field of syringes, in particular to a special 1ml syringe for hypodermic injection.

Background

The needle point of the prior 1ml syringe is dulled in the process of sucking the liquid medicine of the ampoule with the leather plug, so that the pain of a patient is strengthened, the skin damage range is large, the pain of the patient needing long-term injection is increased, meanwhile, the nursing difficulty (the injection part is reduced) is increased, although the needle is replaced, the risk of needle pollution is increased in the replacement process, and the principle of aseptic operation is violated, therefore, the special 1ml syringe for hypodermic injection is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special 1ml syringe of hypodermic to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a special 1ml syringe for hypodermic injection comprises a syringe component, wherein the syringe component comprises a hollow cylinder, one end of the hollow cylinder is provided with a supporting block, the circumferential outer wall of the hollow cylinder is provided with scales, the other end of the hollow cylinder is provided with an integrated needle head, the integrated needle head comprises a first pintle, a first needle head connecting piece, a first needle stem and a first needle point, and a piston rod is arranged in the hollow cylinder; the utility model discloses a syringe needle, including integrative syringe needle outside cover, first cylindrical slot has been seted up to the tip of second pintle, the bar slot of arranging with annular array is seted up to at least six to the inner wall of first cylindrical slot, the through-hole has been seted up to the bottom of first cylindrical slot, the other end of second pintle is equipped with second syringe needle connecting piece, the cylindrical slot of second has been seted up to the tip of second syringe needle connecting piece, cylindrical logical groove has been seted up to the bottom level of the cylindrical slot of second, cylindrical logical groove runs through second syringe needle connecting piece, the other end of second syringe needle connecting piece is conical structure, and the other end of second syringe needle connecting piece is equipped with second needle stalk, the second needle point has been seted up to the other end of second needle stalk.

Preferably, the circumference outer wall of first pintle is equipped with six at least bar inserted blocks of arranging with annular array, the shape size of bar inserted block with the shape size looks adaptation of bar slot, first pintle with the activity of second pintle is pegged graft.

Preferably, the outer diameter of the first needle head connecting piece is matched with the inner diameter of the second cylindrical slot, and the first needle head connecting piece is movably inserted into the second needle head connecting piece.

Preferably, the inner diameter of the cylindrical through groove is matched with the outer diameter of the first needle stem, and the first needle stem is movably inserted into the second needle head connecting piece.

Preferably, the second cylindrical slot corresponds to the position of the through hole formed at the bottom of the second pintle.

Preferably, the bottom of the first cylindrical slot is provided with a first annular rubber pad, and the bottom of the second cylindrical slot is provided with a second annular rubber pad.

Preferably, the inner diameter of the first annular rubber pad is larger than the outer diameter of the first needle connecting piece, and the inner diameter of the second annular rubber pad is larger than the outer diameter of the first needle stem.

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

this special 1ml syringe of hypodermic, can carry out the extraction of liquid medicine through installation overcoat syringe needle when having the leather plug ampoule to aspirate the liquid medicine, first ring rubber pad and second ring rubber pad can make the overcoat syringe needle of installation reach sealed effect when pegging graft with the syringe needle of syringe itself, just so avoided the needle point of 1ml syringe itself to become blunt, just can not excessively damage skin when the puncture, the syringe needle has also been avoided to syringe secondary change, the risk of syringe needle pollution has been reduced, the principle of aseptic technique has been complied with.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the syringe assembly of the present invention;

FIG. 3 is a schematic view of the structure of the needle of the outer sleeve of the present invention;

FIG. 4 is a schematic sectional view of the outer sleeve needle according to the present invention;

fig. 5 is an enlarged view of a position a in the present invention.

In the figure: syringe subassembly 1, empty section of thick bamboo 10, scale 100, supporting shoe 101, integrative syringe needle 102, first pintle 1020, bar inserted block 1021, first syringe needle connecting piece 1022, first needle stalk 1023, first pinpoint 1024, piston rod 11, piston handle 110, piston 111, overcoat syringe needle 2, second pintle 20, first cylindrical slot 200, bar slot 201, second syringe needle connecting piece 21, the cylindrical slot 210 of second, cylindrical logical groove 211, second needle stalk 22, second pinpoint 23, first ring rubber pad 24, second ring rubber pad 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a special 1ml syringe of hypodermic, including syringe subassembly 1, syringe subassembly 1 is including an empty section of thick bamboo 10, the one end of an empty section of thick bamboo 10 is equipped with supporting shoe 101, supporting shoe 101 can let user's more convenient hard extrusion piston handle 110 when using, the circumference outer wall of an empty section of thick bamboo 10 is equipped with scale 100, scale 100 convenient to use person observes the capacity of extraction liquid medicine, the other end of an empty section of thick bamboo 10 is equipped with integrative syringe needle 102, integrative syringe needle 102 includes first pintle 1020, first syringe needle connecting piece 1022, first syringe needle stalk 1023 and first syringe needle point 1024, be equipped with piston rod 11 in an empty section of thick bamboo 10, piston rod and an empty section of thick bamboo are similar with.

The outer side of the integrated needle 102 is sleeved with an outer sleeved needle 2, the outer sleeved needle 2 comprises a second pintle 20, the end part of the second pintle 20 is provided with a first cylindrical slot 200, the first cylindrical slot 200 is movably inserted with the first pintle 1020, so that the outer sleeved needle 2 is convenient to mount and dismount, the inner wall of the first cylindrical slot 200 is provided with at least six strip slots 201 which are distributed in an annular array, the bottom of the first cylindrical slot 200 is provided with a through hole which is communicated with the second needle connector 21, the other end of the second pintle 20 is provided with a second needle connector 21, the end part of the second needle connector 21 is provided with a second cylindrical slot 210, the bottom of the second cylindrical slot 210 is horizontally provided with a cylindrical through groove 1023211, the cylindrical through groove 211 penetrates through the second needle connector 21, the cylindrical through groove 211 can ensure the safety of the first needle stem, bending is avoided, the other end of the second needle connector 21 is in a conical, conical structure can laminate completely with the leather plug part of leather plug ampoule, and the gas tightness is better when extracting the liquid medicine, and the other end of second syringe needle connecting piece 21 is equipped with second needle stalk 22, and second needle point 23 has been seted up to the other end of second needle stalk 22, and second needle point 23 replaces first needle point 1024 to insert the leather plug ampoule, avoids first needle point 1024 to become blunt.

In this embodiment, the circumferential outer wall of the first pintle 1020 is provided with at least six strip-shaped insertion blocks 1021 arranged in an annular array, the shape and size of the strip-shaped insertion blocks 1021 are matched with the shape and size of the strip-shaped insertion slots 201, and the first pintle 1020 is movably inserted into the second pintle 20, so that the outer casing pinhead 2 and the integrated pinhead 102 can be conveniently installed, and certain sealing performance can be achieved.

Specifically, the outer diameter of the first needle connector 1022 is matched with the inner diameter of the second cylindrical slot 210, and the first needle connector 1022 is movably inserted into the second needle connector 21, so that the second needle connector 21 is inserted into the first needle connector 1022, and the sealing performance of the outer sleeve needle 2 and the integrated needle 102 after installation is further improved.

Specifically, the internal diameter of cylindrical logical groove 211 and the external diameter looks adaptation of first needle stalk 1023, first needle stalk 1023 is pegged graft with the activity of second syringe needle connecting piece 21, and the first pinpoint 1024 of first needle stalk 1023 tip passes cylindrical logical groove 211 to second needle stalk 22 in, reduces the loss of the liquid medicine that causes when extracting the liquid medicine in overcoat syringe needle 2.

Furthermore, the second cylindrical slot 210 corresponds to the position of the through hole formed at the bottom of the second pintle 20, so that the integrated pinhead 102 can be smoothly inserted into the outer pinhead 2.

In addition, the bottom of first cylindrical slot 200 is equipped with first annular rubber pad 24, the bottom of second cylindrical slot 210 is equipped with second annular rubber pad 25, the internal diameter of first annular rubber pad 24 is greater than the external diameter of first needle connecting piece 1022, the internal diameter of second annular rubber pad 25 is greater than the external diameter of first needle stalk 1023, the tip laminating of first annular rubber pad 24 and first pintle 1020, the tip laminating of second annular rubber pad 25 and first needle connecting piece 1022, strengthen the leakproofness of grafting department, in order to guarantee to inhale the inside negative pressure that forms of medicine syringe needle when inhaling the medicine.

It should be noted that, except second needle stalk 22 and second needle point 23 in the overcoat syringe needle 2, other parts are transparent plastic material and make, and the user of being convenient for can observe first needle stalk 1023 and the position of first needle point 1024 when pegging graft overcoat syringe needle 2, the overcoat syringe needle 2 of smooth installation.

When the special 1ml syringe for hypodermic of the embodiment is used, a user firstly inserts the integrated needle 102 and the outer sheath needle 2, the first needle tip 1024 of the integrated needle 102 is inserted into the second needle stem 22, the first needle connector 1022 is inserted into the second cylindrical slot 210, and completely attached to the second annular rubber pad 25, the first pin 1020 is inserted into the first cylindrical insertion groove 200, and is completely attached to the first annular rubber pad 24, the strip-shaped insert block 1021 outside the first pin 1020 is completely inserted into the strip-shaped slot 201 in the first cylindrical slot 200, so that the integrated needle 102 and the outer sleeve needle 2 are in a completely sealed state, then the outer sleeve needle 2 is inserted into the leather plug ampoule, the user pulls the piston handle 110 by hand to extract the liquid medicine, after the liquid medicine enters the second needle stem 22, then enters the empty barrel 10 from the first needle stem 1023 through the first needle head connecting piece 1022 and the first needle plug 1020; after the liquid medicine extraction was accomplished, the user extracted overcoat syringe needle 2 from the leather plug ampoule, then lifted overcoat syringe needle 2 off from integrative syringe needle 102 and abandoned sharp machine box in, and 1ml syringe can directly inject, and integrative syringe needle 102 is not damaged, and it can to finish wholly to throw into sharp machine box centralized processing to inject.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A special 1ml syringe for subcutaneous injection comprises a syringe component (1) and is characterized in that: the syringe component (1) comprises an empty barrel (10), one end of the empty barrel (10) is provided with a supporting block (101), the outer wall of the circumference of the empty barrel (10) is provided with scales (100), the other end of the empty barrel (10) is provided with an integrated needle (102), the integrated needle (102) comprises a first pintle (1020), a first needle connector (1022), a first needle stem (1023) and a first needle point (1024), and a piston rod (11) is arranged in the empty barrel (10); the outer side of the integrated needle (102) is sleeved with an outer sleeved needle (2), the outer sleeved needle (2) comprises a second pintle (20), a first cylindrical slot (200) is formed in the end portion of the second pintle (20), at least six strip-shaped slots (201) distributed in an annular array are formed in the inner wall of the first cylindrical slot (200), a through hole is formed in the bottom of the first cylindrical slot (200), a second needle connecting piece (21) is arranged at the other end of the second pintle (20), a second cylindrical slot (210) is formed in the end portion of the second needle connecting piece (21), a cylindrical through groove (211) is horizontally formed in the bottom of the second cylindrical slot (210), the cylindrical through groove (211) penetrates through the second needle connecting piece (21), and the other end of the second needle connecting piece (21) is of a conical structure, and the other end of the second needle head connecting piece (21) is provided with a second needle stem (22), and the other end of the second needle stem (22) is provided with a second needle point (23).

2. The hypodermic 1ml syringe as set forth in claim 1, wherein: the circumference outer wall of first pintle (1020) is equipped with six at least bar inserted blocks (1021) of arranging with the annular array, the shape size of bar inserted block (1021) with the shape size looks adaptation of bar slot (201), first pintle (1020) with second pintle (20) activity grafting.

3. The hypodermic 1ml syringe as set forth in claim 1, wherein: the outer diameter of the first needle connector (1022) is matched with the inner diameter of the second cylindrical slot (210), and the first needle connector (1022) is movably inserted into the second needle connector (21).

4. The hypodermic 1ml syringe as set forth in claim 1, wherein: the inner diameter of the cylindrical through groove (211) is matched with the outer diameter of the first needle stem (1023), and the first needle stem (1023) is movably connected with the second needle head connecting piece (21) in an inserting mode.

5. The hypodermic 1ml syringe as set forth in claim 1, wherein: the second cylindrical slot (210) corresponds to the position of the through hole formed at the bottom of the second pintle (20).

6. The hypodermic 1ml syringe as set forth in claim 1, wherein: the bottom of the first cylindrical slot (200) is provided with a first annular rubber pad (24), and the bottom of the second cylindrical slot (210) is provided with a second annular rubber pad (25).

7. The hypodermic 1ml syringe as set forth in claim 6, wherein: the inner diameter of the first annular rubber pad (24) is larger than the outer diameter of the first needle connecting piece (1022), and the inner diameter of the second annular rubber pad (25) is larger than the outer diameter of the first needle stem (1023).