CN214318591U

CN214318591U - Syringe for hypodermic injection

Info

Publication number: CN214318591U
Application number: CN202022778264.3U
Authority: CN
Inventors: 张雨晴; 丁颖
Original assignee: Tongji Medical College of Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-10-01
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a syringe for hypodermic relates to syringe technical field, including cylinder and protective housing, first standing groove and second standing groove have been seted up to the inboard of protective housing, the inside of first standing groove is equipped with first syringe needle, the inside of second standing groove is equipped with the second syringe needle, the third spacing groove has been seted up to the inboard of first standing groove, the spout has been seted up to the port department of first standing groove, the equal fixedly connected with stopper in both sides of first syringe needle, stopper and spout looks adaptation, third spacing groove and stopper looks adaptation, the spout communicates with each other with the third spacing groove, suction device has been cup jointed in the outside of cylinder. The utility model discloses, it is great to have solved patient's sense of pain when current syringe for hypodermic is injected, and the syringe needle is changed comparatively inconveniently, can produce the extravagant and inconvenient problem of suction of unnecessary.

Description

Syringe for hypodermic injection

Technical Field

The utility model relates to the technical field of injectors, more specifically relate to an injector for hypodermic.

Background

Clinically, when hypodermic, when the liquid medicine in the ampoule to having the leather plug is sucked, puncture the bottle plug of medicine bottle by medical staff through the syringe needle of syringe front end, then draw the liquid medicine through the syringe needle, when needs mix multiple liquid medicine, need carry out a lot of punctures to easily cause the syringe needle to become blunt, can strengthen patient's pain and bitter, the skin damage scope is big like this when injecting patient.

In chinese utility model patent application no: the special 1ml syringe for hypodermic is disclosed in CN 201921612223.8, and the special 1ml syringe for hypodermic comprises a syringe component, wherein the syringe component comprises an empty cylinder, the other end of the empty cylinder is provided with an integrated needle, the outer side of the integrated needle is sleeved with an outer sleeve needle, the outer sleeve needle comprises a second pintle, the end part of the second pintle is provided with a first cylindrical slot, the other end of the second pintle is provided with a second pintle connecting piece, and the end part of the second pintle is provided with a second cylindrical slot. This special 1ml syringe of hypodermic, the syringe needle is changed comparatively inconveniently, easily causes the pollution, and the ward often has hypodermic medicine dosage to exceed 1ml, needs to choose for use 2ml cylinder to change the syringe needle of 1ml empty needle simultaneously to cause the waste, aspirate repeatedly simultaneously, the suction is comparatively inconvenient.

Therefore, there is a need to provide a hypodermic syringe that solves the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a: in order to solve the problem that the pain of the patient is great, the needle head is changed inconveniently, unnecessary waste and suction are inconvenient when the existing hypodermic syringe is used for injection, the utility model provides a hypodermic syringe.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides an injector for hypodermic, includes cylinder and protective housing, first standing groove and second standing groove have been seted up to the inboard of protective housing, the inside of first standing groove is equipped with first syringe needle, the inside of second standing groove is equipped with the second syringe needle, the third spacing groove has been seted up to the inboard of first standing groove, the spout has been seted up to the port department of first standing groove, the equal fixedly connected with stopper in both sides of first syringe needle, stopper and spout looks adaptation, third spacing groove and stopper looks adaptation, the spout communicates with each other with the third spacing groove, suction device has been cup jointed in the outside of cylinder.

Further, the first needle is a 2ml gauge needle, and the second needle is a 1ml gauge needle.

Further, first syringe needle and second syringe needle all are with cylinder looks adaptation, the volume specification of cylinder is 2 ml.

Furthermore, suction device comprises first cover joint block, first transfer line, second transfer line, pressing piece and second cover joint block, the one end outside fixedly connected with of cylinder is fixed along, the inside of cylinder is equipped with the cock stem, the one end fixedly connected with stationary blade of cock stem.

Furthermore, a first limiting groove is formed in the inner side of the first sleeving connecting block, the first sleeving connecting block is sleeved on the outer side of the fixing piece through the first limiting groove, a second limiting groove is formed in the inner side of the second sleeving connecting block, and the second sleeving connecting block is sleeved on the outer side of the fixing edge through the second limiting groove.

Furthermore, first set of piecing blocks and second cover piecing blocks all have two, and adjacent first set of piecing blocks and second cover piecing blocks are connected through two second transfer lines, two the one end looks mutual rotation of second transfer line is connected, two the other end of second transfer line rotates with first set of piecing blocks and second cover piecing blocks respectively and is connected, two the junction of second transfer line rotates and is connected with the pressing piece.

Further, two first set of splice bar rotates through two first bull sticks to be connected, two the one end rotation of first bull stick is connected, two the other end of first bull stick respectively with two first set splice bar fixed connection, two the junction of first bull stick is equipped with the torsional spring.

Furthermore, both ends of the torsion spring are respectively and fixedly connected with the two first rotating rods.

(III) advantageous effects

The utility model has the advantages as follows:

1. the utility model discloses, through setting up stopper, first syringe needle, second standing groove and second syringe needle, carry out the liquid medicine through the syringe needle of difference and mix and inject to alleviate patient's painful sense, through setting up 2 ml's cylinder, first syringe needle and second syringe needle, avoid injection equipment to mismatch the waste that causes the syringe suit, patient's painful sense is great when having solved the injection, the syringe needle is changed comparatively inconveniently and can produce the extravagant problem of unnecessary.

2. The utility model discloses, through setting up first set of splice, first transfer line, second transfer line, pressing plate and second set of splice, press two pressing plates through the one hand and can carry out the liquid medicine extraction, it is more convenient when frequent suction, solved the inconvenient problem of suction.

Drawings

FIG. 1 is a perspective view of the syringe of the present invention;

fig. 2 is a schematic sectional view of the protective case of the present invention;

fig. 3 is a schematic top view of the protective case of the present invention;

fig. 4 is a schematic perspective view of the suction device of the present invention;

fig. 5 is a schematic sectional view of the first rotating rod of the present invention.

Reference numerals: 1. a first limit groove; 2. a stopper rod; 3. a second limit groove; 4. a fixing edge; 5. a needle cylinder; 6. a first nesting block; 7. a first rotating lever; 8. a fixing sheet; 9. a second transmission rod; 10. pressing the sheet; 11. a second sleeving and connecting block; 12. a torsion spring; 13. a limiting block; 14. a third limiting groove; 15. a first placing groove; 16. a first needle; 17. a protective shell; 18. a second placing groove; 19. a second needle; 20. a chute; 21. a suction device.

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.

Example 1

Referring to fig. 1-3, an injector for hypodermic injection comprises a syringe 5 and a protective casing 17, wherein a first placing groove 15 and a second placing groove 18 are formed in the inner side of the protective casing 17, a first needle 16 is arranged in the first placing groove 15, a second needle 19 is arranged in the second placing groove 18, a third limiting groove 14 is formed in the inner side of the first placing groove 15, a sliding groove 20 is formed in a port of the first placing groove 15, limiting blocks 13 are fixedly connected to both sides of the first needle 16, the first needle 16 is a needle of 2ml specification, the second needle 19 is a needle of 1ml specification, the limiting blocks 13 are adapted to the sliding groove 20, the third limiting groove 14 is adapted to the limiting blocks 13, the sliding groove 20 is communicated with the third limiting groove 14, a suction device 21 is sleeved on the outer side of the syringe 5, the first needle 16 and the second needle 19 are both adapted to the syringe 5, and the volume specification of the syringe 5 is 2 ml.

In this embodiment, by providing the stopper 13, the first needle 16, the second placing groove 18 and the second needle 19, when in use, the needle cylinder 5 is inserted by aligning with the first needle 16, then a plurality of kinds of liquid medicines are sucked by the first needle 16, and when injection is needed, the limiting block 13 is aligned with the sliding groove 20 to enable the first needle 16 to be inserted into the first placing groove 15, then the first needle 16 is rotated to make the limit block 13 rotate to the third limit groove 14, then the protective shell 17 is pulled, the first needle 16 can be removed and the barrel 5 inserted in alignment with the second needle 19, the patient injected through the second needle 19, through setting up 2 ml's cylinder 5, first syringe needle 16 and second syringe needle 19, avoid the injection equipment to mismatch the waste that causes the syringe suit, solved when the injection patient painful feel great, the syringe needle is changed comparatively inconveniently and can produce the extravagant problem of unnecessary.

Example 2

Referring to fig. 1 and fig. 4-5, the present embodiment is further optimized based on embodiment 1, specifically, the suction device 21 is composed of a first sleeve joint block 6, a first rotating rod 7, a second rotating rod 9, a pressing sheet 10 and a second sleeve joint block 11, a fixing edge 4 is fixedly connected to the outer side of one end of the syringe 5, a plunger rod 2 is arranged inside the syringe 5, and a fixing piece 8 is fixedly connected to one end of the plunger rod 2.

Specifically, first spacing groove 1 has been seted up to first cup jointing piece 6's inboard, and first cup jointing piece 6 cup joints in the outside of stationary blade 8 through first spacing groove 1, and second spacing groove 3 has been seted up to second cup jointing piece 11's inboard, and second cup jointing piece 11 cup joints in the fixed outside along 4 through second spacing groove 3.

Specifically, first set of splice 6 and second cover splice 11 all have two, and adjacent first set of splice 6 and second cover splice 11 are connected through two second transfer lines 9, and the one end rotation of two second transfer lines 9 is connected, and the other end of two second transfer lines 9 rotates with first set of splice 6 and second cover splice 11 respectively and is connected, and the junction of two second transfer lines 9 rotates and is connected with pressing piece 10.

Specifically, two first set of piecing blocks 6 rotate through two first rotation poles 7 and connect, and the one end rotation of two first rotation poles 7 is connected, and the other end of two first rotation poles 7 respectively with two first set of piecing blocks 6 fixed connection, the junction of two first rotation poles 7 is equipped with torsional spring 12.

Specifically, two ends of the torsion spring 12 are respectively fixedly connected with the two first rotating rods 7.

In this embodiment, through setting up first set of splice 6, first rotation pole 7, second transfer line 9, according to pressing plate 10 and second set of splice 11, when using, rotate two first set of splice 6, make first set of splice 6 cup joint in the outside of stationary blade 8 through first spacing groove 1, make second set of splice 11 cup joint in the fixed outside along 4 through second spacing groove 3, under torsional spring 12's effect, make two first set of splice 6 press from both sides tight stationary blade 8, make it be difficult for droing, when the extraction liquid medicine, press according to two pressing plates 10 through the one hand and can accomplish the extraction, it is more convenient when frequent suction, the inconvenient problem of suction has been solved.

In summary, the following steps: the utility model discloses, it is great to have solved patient's sense of pain when current syringe for hypodermic is injected, can produce the extravagant and inconvenient problem of suction of unnecessary.

Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. An injector for subcutaneous injection comprising a needle cylinder (5) and a protective casing (17), characterized in that: first standing groove (15) and second standing groove (18) have been seted up to the inboard of protective housing (17), the inside of first standing groove (15) is equipped with first syringe needle (16), the inside of second standing groove (18) is equipped with second syringe needle (19), third spacing groove (14) have been seted up to the inboard of first standing groove (15), spout (20) have been seted up to the port department of first standing groove (15), the equal fixedly connected with stopper (13) in both sides of first syringe needle (16), stopper (13) and spout (20) looks adaptation, third spacing groove (14) and stopper (13) looks adaptation, spout (20) communicate with each other with third spacing groove (14), suction device (21) have been cup jointed in the outside of syringe (5).

2. A syringe for subcutaneous injection according to claim 1, wherein: the first needle (16) is a 2ml gauge needle and the second needle (19) is a 1ml gauge needle.

3. A syringe for subcutaneous injection according to claim 1, wherein: the first needle head (16) and the second needle head (19) are both matched with the needle cylinder (5), and the volume specification of the needle cylinder (5) is 2 ml.

4. A syringe for subcutaneous injection according to claim 1, wherein: suction device (21) comprise first set of splice block (6), first transfer line (7), second transfer line (9), pressing piece (10) and second set of splice block (11), the fixed edge (4) of one end outside fixedly connected with of cylinder (5), the inside of cylinder (5) is equipped with cock stem (2), the one end fixedly connected with stationary blade (8) of cock stem (2).

5. A hypodermic syringe as claimed in claim 4, wherein: first spacing groove (1) have been seted up to the inboard of first cover splice block (6), first cover splice block (6) cup joints the outside at stationary blade (8) through first spacing groove (1), second spacing groove (3) have been seted up to the inboard of second cover splice block (11), second cover splice block (11) cup joint in the fixed outside along (4) through second spacing groove (3).

6. A hypodermic syringe as claimed in claim 4, wherein: first set of splice (6) and second cover splice (11) all have two, and adjacent first set of splice (6) and second cover splice (11) are connected through two second transfer line (9), two the one end rotation of second transfer line (9) is connected, two the other end of second transfer line (9) rotates with first set of splice (6) and second cover splice (11) respectively and is connected, two the junction of second transfer line (9) rotates and is connected with pressing piece (10).

7. A hypodermic syringe as claimed in claim 4, wherein: two first set of splice bar (6) are rotated through two first rotation poles (7) and are connected, two the one end rotation each other of first rotation pole (7) is connected, two the other end of first rotation pole (7) respectively with two first set of splice bar (6) fixed connection, two the junction of first rotation pole (7) is equipped with torsional spring (12).

8. A hypodermic syringe as claimed in claim 7, wherein: and two ends of the torsion spring (12) are respectively and fixedly connected with the two first rotating rods (7).