CN201020097Y

CN201020097Y - Safety intravenous transfusion needle

Info

Publication number: CN201020097Y
Application number: CNU2007201038497U
Authority: CN
Inventors: 耿世保
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-16
Filing date: 2007-03-16
Publication date: 2008-02-13
Anticipated expiration: 2017-03-16

Abstract

The utility model relates to a safe intravenous infusion needle, consisting of a needle handle, a needle point, a needle bar, a hose and a needle stand. The front end of the needle bar is fixed with the needle point while the rear end is connected with the needle stand via the hose. The needle handle, sheathed with the needle bar, can slide on the needle bar. An ala is arranged at the external side of the needle handle while a ring groove is positioned at the rear end of the internal side of the needle handle. A front boss and a rear boss matched with the ring groove are arranged on the front end and rear end of the needle bar. Being able to protect the needle point of needle applied to intravenous infusion and to enhance the safety of patients, medical staff and environment; with simple structure and easy access, the utility model shall be promoted for clinical application.

Description

Safe intravenous infusion needle

Technical field

The present invention relates to a kind of medical apparatus and instruments, be specifically related to a kind of venoclysis needle with security function.

Background technology

Venoclysis needle is a medical apparatus and instruments the most frequently used in hospital's medical treatment, and medical personnel carry medicine for the patient, and the most basic requirement is a safe infusion.Promote the use of disposable transfusion device from preventing cross infection, to promoting type self-destroyed apparatus for the abuse that repeats that prevents disposable apparatus, arrive again owing to progressively in-depth blood borne disease understanding, especially acquired immune deficiency syndrome (AIDS) is the spreading unchecked of the whole world, thereby security classes product that the medical personnel that are engaged in the excessive risk occupation are protected occurs; And for preventing the harm that Biohazard Waste causes environment; the garbage of forcing to use is with receiving case; or the like; embodied to forbid merely reusing and paid attention to all personnel's (comprising patient, user, recycling personnel etc.) that protection contacts with apparatus simultaneously, this is the inexorable trend and the result of medical development.

Dangerous transfusion is also very serious to the damage that medical personnel caused, and according to statistics, annual 1000000 medical workers are subjected to the syringe needle injury, and wherein 84.6% is the nurse.Therefore some also catch haematogenous infectious disease such as hepatitis and acquired immune deficiency syndrome (AIDS).Investigation finds that 87.9% nurse had the experience of injury from sharp utensil, and pricking wound took place the nurse 80% or more, and the nurse is when handling syringe needle, for example syringe needle with after when adorning the pin protective sleeve again, will increase the chance of being wounded by stabbing greatly.

Venoclysis needle in the domestic and international at present disposable infusion set that generally uses; its structure generally has two kinds; a kind of is that venoclysis needle is made up of needle handle, needle point, single-blade or double-vane needle handle, sheath, flexible pipe, needle stand; the needle point of this structure is contained on the needle handle; sheath is enclosed within protects needle point not expose on the needle point; unload lower jacket during use, needle point has just lost protector.Because transfusion needle and sheaths separate, sheath is easily lost in the use, even use the back that the sheath that unloads is enclosed within on the syringe needle again, also causes needle point to scratch the situation of human body easily.Another kind of venoclysis needle is made up of needle handle, needle point, single-blade needle handle, sheath, flexible pipe, needle stand, protection sliding sleeve; after unloading the lower jacket transfusion; no longer again, sheath is enclosed within on the syringe needle; and protect with the protection sliding sleeve; but inconvenience when the protection sliding sleeve uses causes venoclysis needle easily to rock in slipping into the needle point process, can cause blood to be splashed in the hands of user; even pin runs into health, stabs situation.For the intravenous needle of double-vane needle handle, existing protection sliding sleeve can not use, and mainly is subjected to the restriction of structure.Therefore existing venoclysis needle exists and uses not too safe problem, and the protection sliding sleeve is arranged, and the problem of inconvenient operation also occurs.

The utility model content

In order to solve the problem that needle point that existing disposable infusion set venoclysis needle exists is difficult for handling, easily stabbing human body, the purpose of this utility model provides the safe intravenous infusion needle that a kind of cost is low, easy to operate, can protect syringe needle.

Safe intravenous infusion needle provided by the utility model, form by needle handle, needle point, shank, flexible pipe, needle stand, described needle point is fixedly connected on the shank front end, the shank rear end is connected with needle stand by flexible pipe, it is characterized in that: described needle handle is set on the shank and can slides on shank, the needle handle lateral surface is provided with the handle wing, and the inboard rear end of needle handle is provided with annular recess; The shank front-end and back-end are respectively equipped with front boss and the rear boss suitable with annular recess.

Needle handle is set on the shank and also can slides on shank in this utility model, and needle handle plays the protective sleeve effect, and needle point contracts and (assembled during product export) in needle handle before venoclysis needle uses, and the protection needle point does not damage, hurts sb.'s feelings or hinders thing.Operator gently draw needle handle to retreat during use, when the shank rear boss with after the needle handle annular recess cooperates, can be according to the routine use of infusing.Then touch needle handle smoothly forward with the back medical personnel; the shank front boss cooperates with the needle handle annular recess, is returned to use preceding state, and promptly needle point contracts in needle handle; both protected the safe in utilization of patient, and also made medical personnel and the recessed receipts personnel of discarded syringe needle avoid the danger of needle sting.

The beneficial effects of the utility model are:

1, transfusion device can be protected the needle point after the usefulness after finishing, and effectively protects patient safety, medical personnel's safety and Environmental security;

2, product structure is simple, and is easy to operate, is beneficial to clinical expansion and uses;

3, can hand assembled in producing, also can dispose simple device and carry out automated production, enhance productivity;

4, production cost is low.

Description of drawings

The utility model is described in further detail below in conjunction with embodiment and accompanying drawing thereof.

Fig. 1 is this utility model safe intravenous infusion needle structural representation.

Fig. 2 is the another kind of state that needle handle slides on shank among Fig. 1.

Fig. 3 is a needle handle structure enlarged diagram among Fig. 1.

Fig. 4 is a shank structure enlarged diagram among Fig. 1.

Among the figure, 1. needle handle, 2. needle point, 3. shank, 4. flexible pipe, 5. needle stand, 6. the handle wing, 7. annular recess, 8. positive stop lug boss, 9. front boss, 10. rear boss.

The specific embodiment

The structure of safe intravenous infusion needle provided by the utility model as shown in Figure 1, needle point 2 is fixedly connected on shank 3 front ends (assembled during product export and finished), flexible pipe 4 be connected with the rear end of shank 3 again after needle stand 5 is pre-assembled, in the packaging bag of packing into after the check.Needle handle 2 is set in shank 3 front portions and can slides on shank.Referring to Fig. 2, needle handle 1 lateral surface is provided with the handle wing 6, and the inboard rear end of needle handle is provided with annular recess 7; The shank front-end and back-end are respectively equipped with front boss 9 and the rear boss 10 (as shown in Figure 4) suitable with annular recess 7.

In the present embodiment, the annular recess 7 of needle handle 1 inboard rear end is located between two cyclic positive stop lug boss 8 (as shown in Figure 3), makes the fixing more accurately with stable of needle handle 1 and shank 3.

The handle wing 6 of needle handle lateral surface can be a double-vane, also can be a wing (single-blade).The handle wing and needle handle can be formed in one, i.e. injection mo(u)lding separately; The handle wing and needle handle also can be the split molding, and dividing body formed is needle handle to be divided into the wing and one section pipe (protecting tube) makes up (can with reference to figure 3), and the combination back is the same with independent injection mo(u)lding form.Its combination can be adopted mode such as inlay, bonding.

This utility model venoclysis needle when dispatching from the factory slidably needle handle 1 at shank 3 front ends; it is the annular recess 7 interior (state as shown in Figure 1) that shank front boss 9 is stuck in the needle handle rear end; needle point 2 contracts in needle handle 1 before guaranteeing to use, and the protection needle point does not damage, do not hurt sb.'s feelings or hinders thing.Operator gently draw needle handle 1 to retreat during use, when shank 3 rear boss 10 cooperate with needle handle annular recess 7 block after, can be according to the routine use (state as shown in Figure 2) of infusing.After transfusion is finished; medical personnel promote needle handle 1, needle handle annular recess 7 is cooperated with shank front boss 9 block, at this moment in the needle point 3 retraction needle handles 1 (state as shown in Figure 1); reach the protection needle point, prevent the purpose that needle point is hurted sb.'s feelings, both safety and also operation is very easy.

The handle wing 6 of this utility model safe intravenous infusion needle is the medical PVC injection mo(u)lding, has certain elasticity, is convenient to operation and fixed needle, and shank is the ABS injection mo(u)lding, also can be with the injection molding of other medical grade.

This utility model safe intravenous infusion needle processing technology is simple, and cost is low, and is easy to operate, is beneficial to and promotes the use of.

Claims

1. safe intravenous infusion needle, form by needle handle, needle point, shank, flexible pipe, needle stand, described needle point is fixedly connected on the shank front end, the shank rear end is connected with needle stand by flexible pipe, it is characterized in that: described needle handle is set on the shank and can slides on shank, the needle handle lateral surface is provided with the handle wing, and the inboard rear end of needle handle is provided with annular recess; The shank front-end and back-end are respectively equipped with front boss and the rear boss suitable with annular recess.

2. safe intravenous infusion needle according to claim 1 is characterized in that: the annular recess of the inboard rear end of described needle handle is located between two cyclic positive stop lug boss.

3. safe intravenous infusion needle according to claim 1 is characterized in that: the handle wing and the needle handle of described needle handle lateral surface are formed in one.

4. safe intravenous infusion needle according to claim 1 is characterized in that: the handle wing of described needle handle lateral surface and needle handle are body formed for dividing.

5. safe intravenous infusion needle according to claim 4 is characterized in that: mosaic mode is adopted in the combination of the body formed handle wing of described branch and needle handle.

6. safe intravenous infusion needle according to claim 4 is characterized in that: bonding way is adopted in the combination of the body formed handle wing of described branch and needle handle.