CN203075346U

CN203075346U - Infant intra-arterial infusion syringe needle

Info

Publication number: CN203075346U
Application number: CN2013200219202U
Authority: CN
Inventors: 赵举; 龙村; 贡忠良
Original assignee: Fuwai Hospital of CAMS and PUMC
Current assignee: Fuwai Hospital of CAMS and PUMC
Priority date: 2013-01-16
Filing date: 2013-01-16
Publication date: 2013-07-24
Anticipated expiration: 2023-01-16

Abstract

The utility model discloses an infant intra-arterial infusion syringe needle which comprises a sleeve, a needle core, a closed cap and an inserting fixing sheet. The needle core is inserted in the sleeve. Two ends of the sleeve are opened, a tip liquid injection port is arranged at one end of the sleeve, and an injector connecting port is arranged at the other end of the sleeve. The closed cap is plugged on the injector connecting port. An exhaust side hole is formed at the position of the end portion of the tip liquid injection port of the sleeve. The inserting fixing sheet is sleeved on the outer wall at the end of the tip liquid injection port of the sleeve. By means of the infant intra-arterial infusion syringe needle, the needs of tiny aorta cathetering infusion of neonates and infants can be met, the damage to the arterial rear wall of the infants by the needle core and the influence on operations by the needle core can be avoided, and meanwhile an exhausting effect is also improved.

Description

Infant arterial perfusion syringe needle

Technical field

This utility model relates to a kind of infant arterial perfusion syringe needle, belongs to medical instruments field.

Background technology

At present; in order to alleviate the adverse effect of congenital heart disease to the growth body; this type of patient's surgical operation shifts to an earlier date opportunity gradually; infant operation on heart and neonate congenital heart disease are rescued the main flow operation that becomes present China department of cardiac surgery; but domestic dependent body outer circulation consumptive material still is in a backward condition; the myocardial preservation device for casting that uses is selected the small-sized perfusion syringe needle based on adult's device for casting mostly for use at present, not only operates inconvenience but also influences operation technique for this type of device of infant patient.In order to satisfy young infant operation on heart needs, part hospital adopts the disposable infant aortic root infusion syringe needle of the interim making of venous cannula pin, and potential complication such as injection pressure is too high, AoPW damage, perfusion is bad, the postoperative aerofluxus is not smooth usually take place for various reasons.

Summary of the invention

Technical problem to be solved in the utility model is the defective that overcomes prior art, a kind of infant arterial perfusion syringe needle is provided, it not only can satisfy the tiny aorta of neonate and infant and put the dabbling demand of pipe, and can avoid damage and the influence to perform the operation of nook closing member to infant tremulous pulse rear wall, also improved exhaust effect simultaneously.

In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of infant arterial perfusion syringe needle, it comprises sleeve pipe, nook closing member, closing cover and insertion stator, nook closing member is inserted in the sleeve pipe, and telescopic both ends open, an end are most advanced and sophisticated liquid injection port, the other end is the syringe connector, the sealing cap stopper is on the syringe connector, and place, the end of telescopic most advanced and sophisticated liquid injection port has the aerofluxus side opening, inserts stator and is sleeved on the outer wall of telescopic most advanced and sophisticated liquid injection port end.

Further, described aerofluxus side opening is provided with two, and opens the place, end in telescopic most advanced and sophisticated liquid injection port respectively symmetrically.

Further, have the sutural groove of plurality of fixed on the described insertion stator.

Further, described insertion stator and sleeve pipe are made integrative-structure.

Further, described nook closing member is made by stainless steel material.

Further, described sleeve pipe is made by the medical grade pvc material.

Further, described telescopic internal diameter is 0.8mm ~ 1.0mm.

Further, described closing cover is made by the medical grade pvc material.

After having adopted technique scheme; in use; this utility model thrusts aortic root together with nook closing member; thrust the degree of depth and inserted the restriction of stator; thereby avoided the danger of needle point damage AoPW; being sewn on purse wire on the aorta wall walks around the groove that inserts stator this utility model is fixedly secured on aorta wall; the blood of pulling out in the nook closing member aorta posterior can flow out telescopic syringe connector; myocardium protecting liquid intrusion pipe syringe connector therewith links to each other rapidly; after getting rid of interface gas; driving pump under the myocardium protecting liquid underwent operative platform is expressed on the operating-table; flow through and to arrive most advanced and sophisticated liquid injection port behind the sleeve pipe; once enter aortic root; left and right sides coronary artery; reach cardiac arrest; the effect of myocardial preservation; it is little that infant arterial perfusion syringe needle of the present utility model has a volume; the quality softness; the perfusion angle is adjustable arbitrarily; to the undamaged characteristics of AoPW, this utility model can satisfy from neonate in addition; infant is to the needs of the children operation of 20Kg.This utility model can just be inserted in myocardial preservation perfusion the place ahead, avoids the AoPW damage simultaneously, does not influence the art open country, improves perfusion effect, improves aerofluxus.

Description of drawings

Fig. 1 is the structural representation of infant arterial perfusion syringe needle of the present utility model;

Fig. 2 is the structural representation of insertion stator of the present utility model;

Fig. 3 is the use sketch map of infant arterial perfusion syringe needle of the present utility model;

Fig. 4 is the left view of Fig. 2;

Among Fig. 3 and Fig. 4,5 is right coronary artery, and 6 is aortic valve, and 7 is left coronary artery.

The specific embodiment

Content of the present utility model is easier to be expressly understood in order to make, according to specific embodiment also in conjunction with the accompanying drawings, this utility model is described in further detail below,

As shown in Figure 1, a kind of infant arterial perfusion syringe needle, it comprises sleeve pipe 1, nook closing member 2, closing cover 3 and inserts stator 4, nook closing member 2 is inserted in the sleeve pipe 1, and the both ends open of sleeve pipe 1, an end are most advanced and sophisticated liquid injection port 1-1, the other end is syringe connector 1-2, closing cover 3 plug is on syringe connector 1-2, and place, the end of the most advanced and sophisticated liquid injection port 1-1 of sleeve pipe 1 has aerofluxus side opening 1-3, inserts on the outer wall of most advanced and sophisticated liquid injection port end that stator 4 is sleeved on sleeve pipe 1.Aerofluxus side opening 1-3 is provided with two, and place, the end of the most advanced and sophisticated liquid injection port 1-1 that opens symmetrically respectively at sleeve pipe 1.Insert stator 4 and make integrative-structure with sleeve pipe 1.

As described in Fig. 1,2, insert on the stator 4 and have the sutural groove 4-1 of plurality of fixed.

Nook closing member 2 is made by stainless steel material.Sleeve pipe 1 is made by the medical grade pvc material.

The internal diameter of sleeve pipe 1 is 0.8mm ~ 1.0mm.

Closing cover 3 is made by the medical grade pvc material.

Sleeve pipe 1 intensity appropriateness does not form knuckle and obturation in the time of crooked 90 °, and sleeve pipe 1 can be made 2 kinds of model: 16G and 18G, and Dui Ying insertion stator 4 is 7mm and 5mm from the distance of most advanced and sophisticated liquid injection port 1-1 respectively.

Nook closing member 2 total lengths are preferentially selected 70mm for use, and sleeve pipe 1 total length is preferentially selected 55mm for use, and the diameter of aerofluxus side opening 1-3 is preferentially selected 0.8mm for use.

Use principle of the present utility model is as follows:

After operation on heart is set up extracorporeal circulation; before preparing clamping of aorta; this utility model is inserted in the pocket coil that AAW sews it up in advance; after guaranteeing that nook closing member 2 is inserted in the aorta; purse wire fixed sleeving 1 is in AAW; pull out nook closing member 2; connect the myocardium protecting liquid intrusion pipe rapidly; fully after the aerofluxus, clamping of aorta begins to pour into myocardium protecting liquid; slowly pour into myocardium protecting liquid; observe coronary sinus vein backflow situation, stop the effect of fighting, stop the myocardial preservation perfusion up to obtaining satisfied cardiac muscle; can whether keep this utility model in AAW according to the decision of operation needs in the art; if pull out, need insert this utility model by force again at open ascending aorta, method is the same.Discharge the gas of left atrium, left ventricle, aortic root through this utility model after, decontrol open aortic occlusion clamp, otherwise aerofluxus is insufficient, gas will enter coronary artery, this perfusion syringe needle can be felt concerned about a left side the residual micro-bubble of uniting and effectively initiatively discharge aortic root by the aerofluxus side opening after heart recovered to beat, thereby avoided important organ such as brain that the danger of little aeroembolism takes place.

According to sleeve pipe 1 internal pressure monitoring situation and asystole effect synthetic determination myocardial preservation perfusion, if the intrusion pipe monitoring pressure is too high, needs suitably to adjust position of the present utility model and guarantee that the pouring head tubule is smooth and easy, the myocardium protecting liquid perfusion effect is better; If it is not smooth that hypotony or coronary sinus vein reflux, then need to consider the possibility of myocardium protecting liquid leakage, search reason or cut the capable coronary artery direct-view of aorta perfusion.

As shown in Figure 3; in the infant operation on heart; during row myocardial preservation perfusion; protection liquid injects aortic root via this utility model that purse wire is fixed on the aorta wall; open aortic valve will stop myocardium protecting liquid to backflow into left ventricle; thereby enter left and right sides coronary artery along the direction of arrow, it is smooth and easy, distortionless to guarantee to pour into tubule during the perfusion myocardium protecting liquid, continues to monitor the myocardium protecting liquid injection pressure between flush phase.

As shown in Figure 4, open ascending aorta, heart recover blood and supply, recover independently to beat in early days, and the micro-bubble in the blood will be discharged by the aerofluxus side opening 1-3 of root.

Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to this utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. infant arterial perfusion syringe needle, it is characterized in that: it comprises sleeve pipe (1), nook closing member (2), closing cover (3) and inserts stator (4), nook closing member (2) is inserted in the sleeve pipe (1), the both ends open of sleeve pipe (1), one end is most advanced and sophisticated liquid injection port (1-1), the other end is syringe connector (1-2), closing cover (3) plug is on syringe connector (1-2), place, the end of the most advanced and sophisticated liquid injection port (1-1) of sleeve pipe (1) has aerofluxus side opening (1-3), inserts on the outer wall of most advanced and sophisticated liquid injection port end that stator (4) is sleeved on sleeve pipe (1).

2. infant arterial perfusion syringe needle according to claim 1 is characterized in that: described aerofluxus side opening (1-3) is provided with two, and opens the place, end in the most advanced and sophisticated liquid injection port (1-1) of sleeve pipe (1) respectively symmetrically.

3. infant arterial perfusion syringe needle according to claim 1 is characterized in that: have the sutural groove of plurality of fixed (4-1) on the described insertion stator (4).

4. according to claim 1 or 2 or 3 described infant arterial perfusion syringe needles, it is characterized in that: described insertion stator (4) is made integrative-structure with sleeve pipe (1).

5. according to claim 1 or 2 or 3 described infant arterial perfusion syringe needles, it is characterized in that: described nook closing member (2) is made by stainless steel material.

6. according to claim 1 or 2 or 3 described infant arterial perfusion syringe needles, it is characterized in that: described sleeve pipe (1) is made by the medical grade pvc material.

7. according to claim 1 or 2 or 3 described infant arterial perfusion syringe needles, it is characterized in that: the internal diameter of described sleeve pipe (1) is 0.8mm ~ 1.0mm.

8. according to claim 1 or 2 or 3 described infant arterial perfusion syringe needles, it is characterized in that: described closing cover (3) is made by the medical grade pvc material.