CN201500163U

CN201500163U - Medical pericardial puncture needle

Info

Publication number: CN201500163U
Application number: CN2009202403779U
Authority: CN
Inventors: 韩丽英; 尹杰; 韩翠宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-27
Filing date: 2009-10-27
Publication date: 2010-06-09
Anticipated expiration: 2019-10-27

Abstract

The utility model relates to a medical pericardial puncture needle which comprises a hollow puncture needle head (1), a hosepipe (2), a needle bed (11) and a casing pipe (4) and is characterized in that the back end of the hosepipe (2) is fixed on a connector of a T-junction (3), the other two connectors of the T-junction (3) are respectively provided with an extracting connector (5) and a medicine injecting connector (8), the casing pipe (4) is sheathed on the exterior of the puncture needle head (1) and fixed on the needle bed (11) by a folding type casing pipe on the back end thereof; the side wall at the end part of the casing pipe (4) is provided with a through hole (9); the outer wall of the puncture needle head (1) is fixedly provided with a baffle ring (6); and a position on the inner wall of the casing pipe (4), which corresponds to the baffle ring (6), is fixedly provided with a dropping resistant flap (7). The medical pericardial puncture needle has simple structure, is safe to be used, can not easily damage the cardiac muscle, and can simultaneously carry out medicine injection and dropsy extraction by one-time puncture, thus avoiding repeated inflection and improving efficiency.

Description

Medical paracentesis pericardii pin

Technical field

This utility model relates to a kind of improvement of puncture needle, belongs to technical field of medical instruments, a kind of specifically medical paracentesis pericardii pin.

Background technology

At present, pericardial effusion is the clinical symptoms of acute pericarditis, clinically to the patient's of pericardial effusion treatment, adopt puncture to extract the method for hydrops mostly, and in the process that extracts pericardial effusion, often the instrument that uses generally is made up of puncture needle, flexible pipe, needle stand and syringe, in use, at first need thrust pericardium under the guiding of B ultrasonic, the puncture needle of this structure is in piercing process, if careless slightly, the needle point of puncture needle is stabbed cardiac muscle easily, cause myocardial damage, even can cause sudden cardiac arrest, thereby produce unsafe factor; In addition, when taking off syringe, hydrops all need mosquito forceps to clamp flexible pipe each the extraction, thereby prevent that gas from entering pericardium, complex operation like this, increase the weight of medical personnel's burden, and the puncture of using now is the single hose structure, and this single hose thoracic-puncture needle can satisfy general drawing liquid, but for needs drawing liquid repeatedly, even need the patient of auxiliary treatment then not too to adapt to, generally need to extract hydrops earlier, inject medicinal liquid etc. then and carry out auxiliary treatment, extract out more at last, repeatedly puncture, repetitive operation is easy to take place nosocomial infection, has also increased patient's misery.

Summary of the invention

It is a kind of simple in structure, safe in utilization that the purpose of this utility model is to provide, and is difficult for injuring cardiac muscle, and can effectively alleviate patient suffering's medical paracentesis pericardii pin.

In order to reach above purpose, the technical scheme that this utility model adopted is: this medical paracentesis pericardii pin, the piercing needle that comprises hollow, flexible pipe, needle stand and sleeve pipe, the fixing needle stand of going up in the rear end of piercing needle, flexible pipe is fixed on the rear end of needle stand, and with the intracavity inter-connection of piercing needle, it is characterized in that: the rear end of flexible pipe is fixed on the interface of threeway, on two other interface of threeway, be respectively equipped with and extract interface and injection interface, can external syringe or negative pressure device by extracting interface, can carry out the medicine auxiliary treatment by the injection interface, casing pipe sleeve is located at the outside of piercing needle, collapsible sleeve pipe by its rear end is fixed on the needle stand, on the sidewall of cannula tip, be provided with through hole, on the outer wall of piercing needle, be fixed with baffle ring, on telescopic inwall, be fixed with the anticreep lobe with the corresponding position of baffle ring.

This utility model is also implemented by following measure: described flexible pipe is provided with adjusting device.

The beneficial effects of the utility model are: by the rear end at the flexible pipe that is connected with piercing needle threeway is set, the extraction interface is set in threeway then, can extract hydrops at extraction external syringe of seam or negative pressure device like this; By the injection interface is set in threeway, can carries out the medicine auxiliary treatment, thereby improve therapeutic effect; By outer setting sleeve pipe at piercing needle, on the piercing needle outer wall, fixedly install baffle ring then, on telescopic inwall, fixedly install the anticreep lobe, like this after pericardium being punctured by piercing needle, can mobile piercing needle the anticreep lobe be fixed baffle ring, thereby make the complete retraction inside pipe casing of piercing needle and be fixed together, prevented from like this in the process that extracts hydrops, to stab cardiac muscle, guaranteed myocardium safety with sleeve pipe.This utility model is simple in structure, and is safe in utilization, is difficult for injuring cardiac muscle, by disposable puncture, can inject medicine simultaneously and extract hydrops, avoids repeated infection, not only improved efficient, also guaranteed medical personnel's safety simultaneously.

Description of drawings

Fig. 1 cuts open sketch map for structure of the present utility model office;

Among the figure: 1. piercing needle; 2. flexible pipe; 3. threeway; 4. sleeve pipe; 5. extraction interface; 6. baffle ring; 7. anticreep lobe; 8. injection interface; 9. through hole; 10. adjusting device; 11. needle stand.

The specific embodiment

Make this utility model with reference to accompanying drawing 1.This medical paracentesis pericardii pin, the piercing needle 1 that comprises hollow, flexible pipe 2, needle stand 11 and sleeve pipe 4, the fixing needle stand 11 of going up in the rear end of piercing needle 1, the medical worker punctures by hand-held needle stand 11, flexible pipe 2 is fixed on the rear end of needle stand 11, and with the intracavity inter-connection of piercing needle 1, it is characterized in that: the rear end of flexible pipe 2 is fixed on the interface of threeway 3, on two other interface of threeway 3, be respectively equipped with and extract interface 5 and injection interface 8, can external syringe or negative pressure device by extracting interface 5, can extract hydrops like this, thereby play the effect of convenient treatment, can carry out the medicine auxiliary treatment by injection interface 8, can improve therapeutic effect, sleeve pipe 4 is set in the outside of piercing needle 1, collapsible sleeve pipe by its rear end is fixed on the needle stand 11, can wrap up piercing needle 1 by sleeve pipe 4, thereby play the effect that prevents to damage other tissue, on the sidewall of sleeve pipe 4 ends, be provided with through hole 9, because telescopic tube has elasticity, piercing needle 1 can freely be stretched in sleeve pipe 4 by telescopic tube, easy to use, can prevent that by a plurality of through holes 9 that are provided with sleeve pipe 4 from stopping up in the drain process, guaranteed to extract the smooth and easy of hydrops, on the outer wall of piercing needle 1, be fixed with baffle ring 6, on the inwall of sleeve pipe 4, be fixed with anticreep lobe 7 with baffle ring 4 corresponding positions, in use, at first puncture by 1 pair of pericardium of piercing needle, being inconjunction with sleeve pipe 4 penetrates in the pericardium together, then under the elastic reaction of telescopic tube, piercing needle 1 retracts to the bottom in the sleeve pipe 4 backward, baffle ring 6 passes anticreep lobe 7, and stop that by anticreep lobe 7 piston 6 moves forward, thereby make the inside of piercing needle 1 complete retraction sleeve pipe 4 and be fixed together with sleeve pipe 4, at this moment, can begin to aspirate intrapericardial hydrops, hydrops is by the through hole 9 of sleeve pipe 4 front ends, enter sleeve pipe 4 intracavity, in the intracavity from piercing needle 1 enters flexible pipe 2, extract out by threeway 3 and extraction interface 5 at last, prevented that piercing needle 1 from stabbing cardiac muscle in the process that extracts hydrops, guaranteed myocardium safety.

Described flexible pipe 2 is provided with adjusting device 10, not only can regulate the flow that extracts hydrops by adjusting device 10, and can prevent that gas from entering in the pericardium, uses simple, convenient.

This utility model is simple in structure, and is safe in utilization, is difficult for injuring cardiac muscle, by disposable puncture, can inject medicine simultaneously and extract hydrops, avoid repeated infection, not only improved efficient, and can prevent nosocomial infection, for medical personnel's safety is brought guarantee.

Claims

1. medical paracentesis pericardii pin, the piercing needle (1) that comprises hollow, flexible pipe (2), needle stand (11) and sleeve pipe (4), the fixing needle stand (11) of going up in the rear end of piercing needle (1), flexible pipe (2) is fixed on the rear end of needle stand (11), and with the intracavity inter-connection of piercing needle (1), it is characterized in that: the rear end of flexible pipe (2) is fixed on the interface of threeway (3), on two other interface of threeway (3), be respectively equipped with and extract interface (5) and injection interface (8), sleeve pipe (4) is set in the outside of piercing needle (1), collapsible sleeve pipe by its rear end is fixed on the needle stand (11), on the sidewall of sleeve pipe (4) end, be provided with through hole (9), on the outer wall of piercing needle (1), be fixed with baffle ring (6), on the inwall of sleeve pipe (4), be fixed with anticreep lobe (7) with the corresponding position of baffle ring (4).

2. medical paracentesis pericardii pin according to claim 1 is characterized in that: described flexible pipe (2) is provided with adjusting device (10).