CN205108698U - Cardiac surgery syringe - Google Patents

Abstract

The utility model relates to a syringe for cardiac surgery, which belongs to the field of nursing equipment. The syringe for cardiac surgery includes a push rod, a syringe, a liquid outlet pipe, a needle seat, a needle and a needle cover. The push rod is arranged in the syringe. There is a liquid outlet tube on the syringe, and there is a filter in the liquid outlet tube. There are two liquid outlet tubes. The card slot is connected with the buckle, two needle seats are provided, needles are provided on the needle seat, two needles are provided, two needle covers are provided, the needle cover includes a liquid collection device, and the liquid collection device is provided with The through hole is covered by a card cover. One end of the through hole is provided with a rubber stopper, and the other end is provided with a water-air separation membrane. A liquid collection chamber is formed between the water-air separation membrane and the rubber stopper. The utility model improves the utilization rate of the medicinal liquid, and no matter how high the pressure inside the syringe is, the needle seat will not fall off, the safety is improved, and the medicinal effect and the cleanliness of the medicinal liquid are guaranteed.

Description

A heart surgery syringe

technical field

The utility model belongs to the field of nursing instruments, in particular to a heart surgery syringe.

Background technique

A cardiac surgery syringe is a common nursing device consisting of a needle barrel with a small hole at the front end and a matching push rod. The syringe is used to inject a small amount of liquid into or from areas that are inaccessible by other methods. Extraction, when the push rod is pulled out, the liquid or gas is inhaled from the small hole at the front of the syringe, and the liquid or gas is squeezed out when the push rod is pushed in, and the process of extracting or injecting gas or liquid with a syringe and needle is called injection. Used for injecting medicine or drawing liquid.

Although the existing cardiac surgery syringes are simple to make and easy to use, in order to discharge the gas in the syringe during use, it is necessary to push the syringe push rod, and the remaining medicinal liquid can be injected into the human body after the medicinal liquid is ejected from the needle. , this process will cause the waste of the injected liquid medicine, the more expensive the medicine, the greater the loss; the existing cardiac surgery syringe, the needle is sleeved on the outlet pipe through the needle seat, the connection between the needle seat and the outlet pipe of such a syringe It is not reliable enough. During the inhalation or injection process, due to excessive internal pressure and other reasons, sometimes the needle will fall off. At this time, it will cause some unnecessary troubles, and this type of syringe is not suitable for those who need to avoid light Drugs injected under certain conditions, such as sodium nitroprusside, nifedipine, cilnidipine, etc., need to be wrapped with light-proof silver foil or black cloth when injecting these drugs. Ineffective or even become toxic substances; At present, most of the medicines are packed in glass bottles. When using a syringe to extract the reagents, the needle tip is inserted into the rubber stopper or the glass bottle is cut with a grinding wheel. At this time, the bottle stopper debris and glass powder will enter Reagents, re-injection into the human body will affect the physical and mental health of the human body.

Therefore, it is necessary to improve the existing cardiac surgery syringe, so that the structure of the cardiac surgery syringe is more perfect, meet the needs of medical staff, enhance the cleanliness of the liquid medicine, and reduce unnecessary troubles.

Contents of the invention

In order to overcome the problems existing in the background technology, the utility model provides a cardiac surgical syringe, which can realize that the cardiac surgical syringe does not waste liquid medicine during exhaust, and improves the utilization rate of the liquid medicine; it can make the needle seat and the liquid outlet tube The connection is firm, and no matter how high the pressure inside the syringe is, the needle seat will not fall off; the light-proof effect is good, which ensures the efficacy of the liquid medicine; it can ensure the cleanliness of the liquid medicine, and will not affect physical and mental health.

In order to achieve the above object, the utility model is implemented according to the following technical solutions:

The cardiac surgery syringe includes a push rod, a syringe, a liquid outlet tube, a needle base, a needle and a needle cover, the push rod is arranged in the syringe, the syringe is provided with a liquid outlet pipe, and a filter element is arranged in the liquid outlet pipe , there are two liquid outlet pipes, one end of the two liquid outlet pipes close to the syringe is respectively provided with a forward one-way valve and a reverse one-way valve, the liquid outlet pipe is provided with a card slot, and the needle seat is provided with a card buckle, the liquid outlet pipe is connected to the needle seat through a card groove and a buckle, there are two needle seats, two needles are arranged on the needle seat, two needles are arranged on the needle cover, and the needle cover includes a liquid collection device, the liquid collecting device is provided with a through hole, the through hole is covered by a card cover, one end of the through hole is provided with a rubber stopper, and the other end is provided with a water-gas separation membrane, and a liquid collection chamber is formed between the water-gas separation membrane and the rubber stopper .

Further, the syringe, push rod, liquid outlet tube, needle holder and needle cover are all made of transparent materials.

Further, a light-shielding body is injected into the syringe.

Further, there are two liquid outlet pipes, one liquid outlet pipe is arranged on the end surface of the syringe away from the push rod, and the other liquid outlet pipe is arranged on the outer circumferential side of the syringe away from the push rod, and the two A needle seat, two needles, and two needle covers are respectively corresponding to the liquid outlet pipes.

Further, the distance between the water-gas separation membrane and the rubber stopper is not less than the length of the needle.

The beneficial effects of the utility model: the use of the needle cover that can exhaust and collect liquid realizes that the syringe does not waste liquid medicine during the exhaust, and improves the utilization rate of the liquid medicine; the liquid outlet pipe and the needle seat are connected by buckles, No matter how high the internal pressure is, the needle seat will not fall off, and the safety is improved; there is a light-proof body injected into the syringe, which has a good light-proof effect and ensures the efficacy of the liquid medicine; two liquid outlet tubes, two needle seats, and two One needle and two needle covers are set, one needle is used for filtering, and the other needle is used for injection, without interfering with each other, it can inject clean medicinal liquid into the human body without affecting physical and mental health.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the structure schematic diagram of the utility model needle cover;

In the figure, 1-push rod, 2-syringe, 3-outlet tube, 4-needle seat, 5-needle, 6-needle cover, 7-card slot, 8-buckle, 9-liquid collection device, 10 - card cover, 11 - rubber stopper, 12 - water and gas separation membrane, 13 - liquid collection chamber, 14 - light shielding body.

detailed description

In order to make the purpose, technical solutions and beneficial effects of the present utility model clearer, the preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings, so as to facilitate the understanding of technical personnel.

As shown in Figure 1-2, the cardiac surgery syringe includes a push rod 1, a syringe 2, a liquid outlet tube 3, a needle seat 4, a needle head 5 and a needle cover 6, the syringe 2, a push rod 1, and a liquid outlet tube 3. Both the needle base 4 and the needle cover 6 are made of transparent materials, and the syringe 2 is sprayed with a light-shielding body 14, which has a good light-shielding effect and ensures the efficacy of the liquid medicine.

The push rod 1 is arranged in the syringe 2, and the syringe 2 is provided with a liquid outlet pipe 3, and there is a filter element in the liquid outlet pipe 3, and there are two liquid outlet pipes 3, and the two liquid outlet pipes 3 are close to each other. One end of the syringe 2 is respectively provided with a forward one-way valve and a reverse one-way valve, the liquid outlet pipe 3 is provided with a card slot 7, the needle seat 4 is provided with a buckle 8, and the liquid outlet pipe 3 and the needle seat 4 pass through the card. The slot 7 is connected to the buckle 8, two needle holders 4 are provided, two needles 5 are arranged on the needle holder 4, two needles 5 are provided, two needle covers 6 are provided, and the liquid outlet pipe 3 is provided There are two, one liquid outlet pipe 3 is arranged on the end surface of the syringe 2 away from the push rod 1, and the other liquid outlet pipe 3 is arranged on the outer circumferential side of the syringe 2 away from the push rod 1, the two needle seats 4. Two needles 5 and two needle covers 6 respectively correspond to the two liquid outlet tubes 3, two liquid outlet tubes 3, two needle holders 4, two needle heads 5, and two needle covers 6 are set, and one needle head It is used for filtration, and the other needle is used for injection without interfering with each other. It can inject clean medicinal liquid into the human body without affecting physical and mental health. The liquid outlet pipe 3 and the needle seat 4 are connected by buckles. Large, the needle seat 4 will not fall off, and the safety is improved.

The needle cover 6 includes a liquid collection device 9, the liquid collection device 9 is provided with a through hole, the through hole is covered by the card cover 10, a rubber stopper 11 is provided at one end of the through hole, and a water-gas separation membrane 12 is provided at the other end of the through hole, A liquid collection cavity 13 is formed between the water-gas separation membrane 12 and the rubber stopper 11, the distance between the water-gas separation membrane 12 and the rubber stopper 11 is not less than the length of the needle 5, when the gas needs to be discharged, the needle 5 is inserted into the required injection In the medicine bottle, pull the syringe push rod 1, the medicine liquid will be drawn into the syringe 2, and then pull out the needle 5 from the medicine bottle. At this time, there are both medicine liquid and gas in the syringe 2. Then, put Insert the needle 5 from the end of the rubber stopper 11 of the liquid collection device 9 into the liquid collection chamber 13, then remove the card cover 10, push the syringe push rod 1, the air in the needle 5 and part of the liquid medicine enter the liquid collection chamber 13, and continue to push Push rod 1, the air in the liquid collection chamber 13 will pass through the water-air separation membrane 12 and be discharged from the air outlet chamber. After the push rod 1 cannot be pushed, cover the air chamber with the card cover 10 and contact the water-air separation membrane 12, and then pull With the push rod 1, the liquid medicine in the liquid collection chamber 13 is drawn into the syringe 2 again, and the syringe with the liquid medicine is drained. At this time, there is only liquid medicine in the syringe, and there is no gas, so it can be injected directly. The liquid medicine is not wasted in the exhaust, and the utilization rate of the liquid medicine is improved.

The working process of the utility model: connect the needle holder 4 connected with the needle 5 to the liquid outlet pipe 3 through buckle, insert any needle 5 into the medicine bottle to extract the medicine liquid, pull the syringe push rod 1, and the medicine liquid will be drawn into the syringe 2, and then pull out the needle 5 from the medicine bottle. At this time, there are both liquid medicine and gas in the syringe 2. Then, insert the needle 5 from the end of the rubber stopper 11 of the liquid collection device 9 into the collection Then remove the card cap 10, push the syringe push rod 1, the air in the needle 5 and part of the liquid medicine enter the liquid collection chamber 13, continue to push the push rod 1, the air in the liquid collection chamber 13 will pass through the water vapor The separation membrane 12 is discharged from the air outlet cavity. After the push rod 1 cannot be pushed, the card cover 10 covers the air cavity and contacts the water-air separation membrane 12, and then the push rod 1 is pulled, and the liquid medicine in the liquid collection chamber 13 is drawn in again. In the syringe 2, pull out the syringe after the liquid medicine is drained. At this moment, the medicine liquid is all in the syringe, and the human body is directly injected with another needle.

The use of the needle cover that can exhaust and collect liquid realizes that the cardiac surgery syringe does not waste liquid medicine in the exhaust process, and improves the utilization rate of the liquid medicine; the liquid outlet tube and the needle seat are connected by buckles, and no matter how high the pressure inside the syringe is, The needle seat will not fall off, and the safety is improved; the syringe is sprayed with a light-proof body, which has a good light-proof effect and ensures the efficacy of the liquid medicine; two liquid outlet tubes, two needle seats, two needles, two The setting of the needle cover, one needle is used for filtering, and the other needle is used for injection, without interfering with each other, it can inject clean medicinal liquid into the human body without affecting physical and mental health.

Finally, it is noted that the above preferred embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be described in the form Various changes can be made in the above and in the details without departing from the scope defined by the claims of the present invention.

Claims (5)

1. A syringe for cardiac surgery, characterized in that: the syringe for cardiac surgery comprises a push rod, a syringe, a liquid outlet tube, a needle seat, a needle and a needle cover, and the push rod is arranged in the syringe, and A liquid outlet pipe is provided, and there is a filter element in the liquid outlet pipe. There are two liquid outlet pipes. The ends of the two liquid outlet pipes near the syringe are respectively provided with a forward one-way valve and a reverse one-way valve. The liquid outlet pipe There is a card slot on the needle seat, a buckle is provided on the needle seat, the liquid outlet pipe and the needle seat are connected through the card slot and the buckle, two needle seats are provided, needles are provided on the needle seat, and two needles are provided. There are two needle covers. The needle cover includes a liquid collection device. The liquid collection device is provided with a through hole. A liquid collection cavity is formed between the gas separation membrane and the rubber stopper. 2. A syringe for cardiac surgery according to claim 1, characterized in that: said syringe, push rod, outlet tube, needle holder and needle cover are all made of transparent materials. 3. A syringe for cardiac surgery according to claim 1, characterized in that: said syringe is injected with a light-shielding body. 4. A syringe for cardiac surgery according to claim 1, characterized in that: two outlet pipes are provided, one outlet pipe is arranged on the end surface of the syringe away from the push rod, and the other outlet pipe The two needle seats, the two needles, and the two needle covers are respectively corresponding to the liquid outlet pipes. 5. A syringe for cardiac surgery according to claim 1, wherein the distance between the water-gas separation membrane and the rubber stopper is not less than the length of the needle.