CN213347236U

CN213347236U - Medical syringe

Info

Publication number: CN213347236U
Application number: CN202021579222.0U
Authority: CN
Inventors: 尚芸
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-06-04
Anticipated expiration: 2030-08-03

Abstract

The utility model relates to a medical injector, including cylindric injection tube (1), install injection pole (6) in cylindric injection tube (1), first connector (2) are installed to cylindric injection tube (1) front end side, second connector (3) are installed to the center of preceding terminal surface, install first check valve (4) on first connector (2), install second check valve (5) on second connector (3), cylindric injection tube (1) both sides are equipped with first syringe needle section of thick bamboo (7) and second syringe needle section of thick bamboo (8) respectively, be equipped with in first syringe needle section of thick bamboo (7) and be connected first syringe needle (9) with first connector (2), be equipped with in second syringe needle section of thick bamboo (8) and be connected second syringe needle (10) with second connector (3). Aiming at a patient needing to inject a plurality of medicines, the medicine can be injected for a plurality of times only by pricking once, so that the pain of the patient can be relieved; moreover, the safety is good, and the carrying is convenient.

Description

Medical syringe

Technical Field

The utility model belongs to the technical field of medical equipment, a syringe, concretely relates to medical syringe is related to.

Background

Injection therapy is a common treatment modality in the treatment of patients. For injection therapy, a syringe is used. The liquid medicine is sucked by the injector and injected into the body of the patient, usually the buttocks or the arms, through the needle head and the like, thereby realizing the treatment of the patient.

However, existing syringes generally have the following disadvantages: 1. typically, only one needle is used for both drawing the medication and injecting the medication into the patient, resulting in the needle being susceptible to damage prior to injection of the medication (e.g., in the case where the needle needs to be inserted into an ampoule, the needle may bend), thereby affecting the injection to the patient. 2. In the case where a patient needs to inject a plurality of kinds of liquid medicines (that is, in the case of so-called several injections), the patient needs to be subjected to a plurality of needle insertions, and each needle insertion causes pain to the patient, which increases the pain of the patient and is difficult to perform especially for children. 3. The needles are often exposed, so that the carrying is very inconvenient, and the pollution or the injury to medical care personnel is easily caused; or, the needle needs to be installed in a special box, so that the syringe is carried while the needle box is carried, which is very inconvenient, and the needle box is easy to forget or lose, which affects the injection. 4. In order to inject a patient, the injection part of the patient needs to be disinfected by using the absorbent cotton balls, and the injection part needs to be pressed by using the absorbent cotton balls after the injection is finished, so that medical staff still need to carry the absorbent cotton balls when injecting the patient, and the working efficiency of the medical staff is affected due to the fact that too many things are carried by the medical staff; moreover, if the cotton balls are forgotten to be carried, the cotton balls need to be returned to be taken, and the working efficiency of the cotton balls is further influenced.

Therefore, in view of the above-mentioned shortcomings of the prior art, there is an urgent need to develop a new type of medical injector.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a medical injector, which can realize the injection of a plurality of medicines for a patient who needs to inject a plurality of medicines by only pricking once, thereby relieving the pain of the patient; moreover, the safety is good, and the carrying is convenient.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a medical injector, its includes cylindric injection tube, install the injection pole in the cylindric injection tube, its characterized in that, the center that first connector, preceding terminal surface were installed to the side of cylindric injection tube front end installs the second connector, install first check valve on the first connector, install the second check valve on the second connector, the both sides of cylindric injection tube are equipped with a first syringe needle section of thick bamboo and a second syringe needle section of thick bamboo respectively, be equipped with in the first syringe needle section of thick bamboo can with the first syringe needle that the first connector is connected, be equipped with in the second syringe needle section of thick bamboo can with the second syringe needle that the second connector is connected.

Preferably, the first needle cylinder is also internally provided with a first absorbent cotton ball, and the second needle cylinder is also internally provided with a second absorbent cotton ball.

Preferably, the first and second absorbent cotton balls are adsorbed with sterilized alcohol.

Preferably, the first medicated cotton ball is arranged on the first needle in a penetrating way, and the second medicated cotton ball is arranged on the second needle in a penetrating way.

Preferably, wherein, cylindric injection section of thick bamboo, first connector, second connector, first syringe needle section of thick bamboo and second syringe needle section of thick bamboo integrated into one piece form.

Preferably, wherein, cylindric injection cylinder, first connector, second connector, first syringe needle section of thick bamboo and second syringe needle section of thick bamboo are moulded plastics by plastics an organic whole and are formed.

Preferably, the cylindrical syringe is provided with scales.

Preferably, the front ends of the first connector and the second connector are provided with external threads, and the tail ends of the first needle and the second needle are provided with internal threads.

Compared with the prior art, the medical injector of the utility model has the following beneficial technical effects:

1. it has two syringe needles, draws and inhales the liquid medicine and uses different syringe needles toward patient's internal injection liquid medicine for the syringe needle for the injection liquid medicine can not damage at the in-process of drawing liquid medicine, thereby can not influence the injection to the patient.

2. Under the condition that a patient needs to inject various liquid medicines, the patient only needs to prick the needle once, so that the pain of the patient is relieved, and the injection is more beneficial to children.

3. The novel medical needle is provided with the needle cylinder, when the novel medical needle is not used, the needle is arranged in the needle cylinder, so that the novel medical needle is very convenient to carry, an extra needle box is not needed, and the needle cannot be polluted or hurt to medical care and other personnel.

4. It takes the absorbent cotton ball certainly, can be used for disinfecting and pressing the injection position, need not additionally carry the absorbent cotton ball to make its convenient to carry, and work efficiency is high.

Drawings

Fig. 1 is a schematic view of a medical injector of the present invention prior to use.

Fig. 2 is a schematic view of the medical injector of the present invention when drawing liquid medicine.

Fig. 3 is a schematic view of the medical injector of the present invention when injecting liquid medicine.

Detailed Description

The present invention is further described with reference to the following drawings and examples, which are not intended to limit the scope of the present invention.

The utility model relates to a medical injector, which is used for injecting liquid medicine into the body of a patient so as to treat the relevant diseases of the patient.

Figure 1 shows a schematic view of a medical injector of the present invention prior to use. As shown in fig. 1, the medical injector of the present invention includes a cylindrical syringe 1, similar to the prior art. An injection rod 6 is arranged in the cylindrical injection tube 1.

Wherein, the front end of the injection rod 6 is provided with an injection piston. The injection piston is tightly attached in the cylindrical injection cylinder 1. By pulling and pushing the injection rod 6, the injection piston is driven to move, so that the purposes of sucking the liquid medicine and injecting the liquid medicine into the body of a patient can be achieved.

Different from the prior art the utility model discloses in, the side-mounting of 1 front end of cylindric injection tube has first connector 2, the center of preceding terminal surface to install second connector 3. That is, two connectors are installed at the front end of the cylindrical syringe 1, and two needles can be connected.

And simultaneously, in the utility model discloses in, install first check valve 4 on the first connector 2. And a second check valve 5 is arranged on the second connector 3.

Wherein the first check valve 4 can be opened only in the direction of the inside of the cylindrical syringe 1. That is, when the injection rod 6 in the cylindrical syringe 1 is drawn, the first check valve 4 is opened, so that external liquid medicine can enter the cylindrical syringe 1 through the first check valve 4. When the injection rod 6 in the cylindrical syringe 1 is pushed, the first check valve 4 is closed, so that the liquid medicine in the cylindrical syringe 1 cannot flow out of the cylindrical syringe 1 through the first check valve 4.

The second check valve 5 can be opened only in the direction outside the cylindrical syringe 1. That is, when the injection rod 6 in the cylindrical syringe 1 is pushed, the second check valve 5 is opened, so that the liquid medicine in the cylindrical syringe 1 can flow out of the cylindrical syringe 1 through the second check valve 5 and into the patient. However, when the injection rod 6 in the cylindrical syringe 1 is pulled out, the second check valve 5 is closed, so that the second connector 3 is closed, and body fluid, blood, or the like cannot be sucked from the patient into the cylindrical syringe 1.

In the present invention, the two sides of the cylindrical injection tube 1 are respectively provided with a first needle cylinder 7 and a second needle cylinder 8. Wherein, a first needle 9 which can be connected with the first connector 2 is arranged in the first needle cylinder 7. A second needle head 10 which can be connected with the second connector 3 is arranged in the second needle head barrel 8.

Thus, the utility model discloses a medical injector has two syringe needles, draws medicine water and uses different syringe needles toward patient's internal injection medicine water for the syringe needle for injection medicine water can not damage at the in-process that draws medicine water, thereby can not influence the injection to the patient. Meanwhile, the needle head is arranged in the needle head cylinder when the needle head cylinder is not used, so that the carrying is very convenient, an additional needle box is not needed, and the needle head pollution or the injury of the needle head to medical care and other personnel can not be caused.

Preferably, the first needle barrel 7 is also provided with a first medical cotton ball 11. A second absorbent cotton ball 12 is also arranged in the second needle cylinder 8. More preferably, the first and second

medical cotton balls

11 and 12 are adsorbed with sterilized alcohol. Wherein the first swab 11 may be used to disinfect an injection site of a patient. The second tampon 12 can be used to press the site of the patient after injection. Thus, the medical injector with the absorbent cotton ball can be used for disinfecting and pressing the needle inserting part without additionally carrying the absorbent cotton ball, thereby being convenient to carry and high in working efficiency.

Still preferably, the first medicated cotton ball 11 is inserted through the first needle 9. The second absorbent cotton ball 12 is arranged on the second needle head 10 in a penetrating way. Thus, when the first needle 9 and the second needle 10 are taken out, the first medicinal cotton ball 11 and the second medicinal cotton ball 12 can be automatically taken out, so that the first medicinal cotton ball 11 and the second medicinal cotton ball 12 can be taken out very conveniently.

When the medical injector of the present invention is used, as shown in fig. 2, the first needle 9 is taken out from the first needle cylinder 7, and the first cotton ball 11 is taken down from the first needle 9. Then, the first needle 9 is mounted on the first connector 2. Thereafter, the liquid medicine can be sucked from a container such as an ampoule containing the liquid medicine through the first needle 9, thereby sucking the liquid medicine into the cylindrical syringe 1. During this time, air is not drawn into the cylindrical syringe 1 through the second connection head 3 due to the closed state of the second one-way valve 5.

After aspiration, the injection site of the patient is sterilized with the first swab 11. Next, as shown in FIG. 3, the second needle 10 is removed from the second needle barrel 8 and the second cotton bud 12 is removed from the second needle 10. Then, the second needle 10 is mounted on the second connector 3. Thereafter, the second needle 10 may be inserted into an injection site of a patient and the injection rod 6 is pushed, thereby injecting the liquid medicine in the cylindrical syringe 1 into the patient. During this time, the first check valve 4 is in a closed state, so that the liquid medicine in the cylindrical syringe 1 is not pushed out through the first connector 2 and the first needle 9.

After injection, if the patient needs to inject more liquid medicine. At this time, the second needle 10 does not need to be pulled out. It is only necessary to insert the first needle 9 into another liquid medicine container and suck the liquid medicine in the other liquid medicine container, thereby sucking the liquid medicine into the cylindrical syringe 1. During this period, since the second check valve 5 is in the closed state, the body fluid or blood and the like in the patient is not sucked into the cylindrical syringe 1 through the second connector 3, and thus the patient is not affected.

After the suction, the injection rod 6 is pushed, so that the liquid medicine in the cylindrical syringe 1 is injected into the patient again. During this time, the first check valve 4 is in a closed state, so that the liquid medicine in the cylindrical syringe 1 is not pushed out through the first needle 9.

After all the liquid medicine has been injected, the second needle 10 is pulled out of the patient. After the second needle 10 is pulled out, the injection site of the patient is pressed with the second cotton bud 12 to prevent the injection site from bleeding.

Therefore, when the medical injector of the utility model is used, under the condition that a patient needs to inject a plurality of liquid medicines, the patient only needs to prick the needle once instead of pricking the needle many times, thereby relieving the pain of the patient and being more beneficial to children.

In the present invention, preferably, the cylindrical injection tube 1, the first connector 2, the second connector 3, the first needle cylinder 7 and the second needle cylinder 8 are integrally formed. More preferably, the cylindrical syringe 1, the first connector 2, the second connector 3, the first needle cylinder 7 and the second needle cylinder 8 are integrally formed by plastic injection molding. Therefore, the manufacturing is simpler and more convenient, and the sealing performance is better.

Furthermore, preferably, the cylindrical syringe 1 is provided with graduations. In this way, the injection amount can be grasped more accurately.

Finally, in the present invention, preferably, the front ends of the first connector 2 and the second connector 3 are both provided with external threads. Meanwhile, the ends of the first needle 9 and the second needle 10 are both provided with internal threads. Therefore, the first needle 9 is connected with the first connector 2, and the second needle 10 is connected with the second connector 3 through threads, so that the mounting and dismounting are very convenient and fast.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. The utility model provides a medical injector, its includes cylindric injection tube (1), install injection pole (6) in cylindric injection tube (1), its characterized in that, first connector (2), second connector (3) are installed at the center of preceding terminal surface to the side-mounting of the front end of cylindric injection tube (1), install first check valve (4) on first connector (2), install second check valve (5) on second connector (3), the both sides of cylindric injection tube (1) are equipped with first syringe needle section of thick bamboo (7) and second syringe needle section of thick bamboo (8) respectively, be equipped with in first syringe needle section of thick bamboo (7) can with first syringe needle (9) that first connector (2) are connected, be equipped with in second syringe needle section of thick bamboo (8) can with second syringe needle (10) that second connector (3) are connected.

2. The medical injector according to claim 1, characterized in that the first needle barrel (7) is further filled with a first cotton swab (11) and the second needle barrel (8) is further filled with a second cotton swab (12).

3. The medical injector according to claim 2, wherein the first absorbent cotton (11) and the second absorbent cotton (12) are both absorbed with sterile alcohol.

4. A medical injector according to claim 3, characterized in that the first absorbent cotton ball (11) is arranged on the first needle (9) and the second absorbent cotton ball (12) is arranged on the second needle (10).

5. A medical injector according to claim 4, characterized in that the cylindrical syringe (1), the first connector (2), the second connector (3), the first needle cartridge (7) and the second needle cartridge (8) are formed integrally.

6. A medical injector according to claim 5, characterized in that the cylindrical syringe (1), the first connector (2), the second connector (3), the first needle cartridge (7) and the second needle cartridge (8) are integrally injection moulded from plastic.

7. The medical injector according to claim 6, characterized in that the cylindrical barrel (1) is provided with graduations.

8. The medical injector according to claim 7, characterized in that the front ends of the first connector (2) and the second connector (3) are provided with external threads, and the ends of the first needle (9) and the second needle (10) are provided with internal threads.