CN209092388U - A kind of intravenous infusion needle - Google Patents

Abstract

The utility model relates to a kind of intravenous infusion needles, including sequentially connected needle tubing, needle handle, hose and needle stand, there is fin on the needle handle, it further include the cylinder made of elastic material, the barrel jacket is set to outside hose, the inside of the cylinder is equipped with the through-hole matched with hose along the longitudinal direction, the side wall of the cylinder is equipped with guide rail from one end close to needle handle along the longitudinal direction, the guide rail is communicated with through-hole, the length of the guide rail is greater than the overall length of the needle tubing and needle handle, the guide rail is provided with back-off close to one end of needle stand, the guide rail includes two sections or more connected steering guide rails, the adjacent steering guide rail is staggered, the length for turning to guide rail is one times or more of the finned length.Needle tubing and needle handle can be pulled in cylinder after infusion-completed, and are stuck in cylinder using the intravenous infusion needle of the utility model, cannot deviate from from cylinder both ends, prevented medical staff or other people are wounded by stabbing.

Description

A kind of intravenous infusion needle

Technical field

The utility model relates to the field of medical instrument technology, more particularly to a kind of intravenous infusion needle.

Background technique

Currently, the common intravenous infusion needle of medical field is made of sheath, needle tubing, needle handle, hose and needle stand.Medical staff Sheath is taken out, transfusion needle is punctured, and needle stand starts to be infused to infusion apparatus after the completion.After the completion of infusion, transfusion needle is extracted, it will Needle tubing and hose separation, are respectively put into specified recycling utensil.However, exposed needle tubing easily injures certainly after the completion of infusion Oneself or other people, cause virus infection.

Utility model content

The purpose of this utility model is to provide a kind of safe intravenous infusion needle, the intravenous infusion needle is finished in use Afterwards, needle tubing and needle handle are pulled back to cylinder, and are stuck in cylinder, cannot deviate from from cylinder both ends, prevent medical staff or Other people are wounded by stabbing.

A kind of intravenous infusion needle, including sequentially connected needle tubing, needle handle, hose and needle stand have fin on the needle handle, also Including the cylinder made of elastic material, the barrel jacket is set to outside hose, and the inside of the cylinder is equipped with along the longitudinal direction The side wall of the through-hole matched with hose, the cylinder is equipped with guide rail, the guide rail from one end close to needle handle along the longitudinal direction It is communicated with through-hole, the length of the guide rail is greater than the overall length of the needle tubing and needle handle, and the guide rail is arranged close to one end of needle stand There is back-off, the guide rail includes two sections or more connected steering guide rails, and the adjacent steering guide rail is staggered, the steering The length of guide rail is one times or more of the finned length.

Using the intravenous infusion needle of the utility model, after infusion-completed, hose is pulled towards needle stand direction, enters needle handle and leads Rail, when the fin on needle handle touches back-off, needle handle and needle tubing are not easy to deviate from from the both ends of guide rail.Further, since described lead The length of rail is greater than the overall length of the needle tubing and needle handle, so as to which the needle tubing and needle handle to be all wrapped in cylinder.It adopts Needle tubing can be further wrapped up with two sections or more of connected steering guide rail structure, avoids syringe needle inclination exposed, ensure that doctor The safety of shield personnel.

Further, the guide rail close to one end of needle stand be equipped with handle, the handle for grasp and prevent needle handle from Deviate from the end of guide rail.

Further, the side wall of the handle is inner concave shape, and the side wall of the handle is equipped with anti-skidding convex ribs or anti-skidding salient point.

Further, close to needle stand steering guide rail length it is identical with finned length, it is described turn to guide rail width and Foil thickness is identical.

Further, the guide rail protrudes into and forms slot in handle, and the slot and the back-off are for locking needle handle.Institute The length for stating slot is identical as the finned length of the needle handle, and the width of the slot and the thickness of fin are identical.

Further, the cylinder is equipped with inclined introducing port close to one end of needle handle, and the introducing port is connected with guide rail.

Further, the cylinder material is that polyvinyl chloride, polyethylene, polypropylene, acrylonitrile-butadiene-styrene (ABS) are total One of polymers, polycarbonate or polytetrafluoroethylene (PTFE).

Further, sheath is arranged outside the needle tubing, the inner wall of sheath opening is equipped with anti-skidding convex ribs.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the intravenous infusion needle of the utility model；

Fig. 2 is the structural schematic diagram of the intravenous infusion needle after the sheath removed in Fig. 1；

Fig. 3 is the structural schematic diagram that the needle handle in Fig. 2 is moved to the intravenous infusion needle after slot；

Fig. 4 is the main view of the cylinder in Fig. 1；

Fig. 5 is the three-dimensional view of the cylinder in Fig. 1；

Fig. 6 is the sheath in Fig. 1.

Main element symbol description:

The following detailed description will be further explained with reference to the above drawings the utility model.

Specific embodiment

To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give several embodiments of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.

Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases Any and all combinations of the listed item of pass.

Fig. 1 and Fig. 2 are please referred to, transfusion needle 100 includes cylinder 11, sheath 12, needle tubing 13, needle handle 14, hose 15 and needle stand 16, wherein needle tubing 13, needle handle 14, hose 15 and needle stand 16 are sequentially connected, and sheath 12 is placed on needle tubing 13, are had on the needle handle 14 Fin 141, the cylinder 11 are sheathed on the outside of the hose 15.The inside of the cylinder 11 is equipped with along the longitudinal direction and hose 15 through-holes 111 (Fig. 1 and Fig. 2 are not shown, and see Fig. 4) matched, the side wall of the cylinder 11 is from one end edge close to needle handle 14 Longitudinal direction is equipped with guide rail 112 (Fig. 1 and Fig. 2 are not shown, and see Fig. 4), and the guide rail 112 is communicated with through-hole 111, the guide rail 112 length is greater than the overall length of the needle tubing 13 and needle handle 14, and the guide rail 112 is provided with back-off close to one end of needle stand 16 113 (Fig. 1 and Fig. 2 are not shown, and see Fig. 4), the guide rail 112 include two sections of connected steering guide rails 1121 and 1122, and steering is led Rail 1121 and 1122 is staggered, and the length for turning to guide rail 1121 and 1122 is greater than the length of the fin 141.

Referring to Fig. 3, cylinder 11 is equipped with inclined introducing port 19, this is conducive to 141 automatic guiding of fin and enters guide rail 112 direction of motion, without using person's manual alignment.When fin 141 enters slot 114, needle handle 14 is locked, and described Needle tubing 13 and needle handle 14 are all wrapped in the inside of cylinder 11.

Fig. 4 and Fig. 5 are please referred to, the side wall 171 of the handle 17 is in concave shaped, this is more bonded with finger pulp loss.It is described Anti-skidding convex ribs 18 are additionally provided on side wall 171, capable of preventing user, finger slides in operation.

Referring to Fig. 6, the inner wall of the opening of the sheath 12 is equipped with anti-skidding convex ribs 18.

Working principle:

When assembling the transfusion needle 100, the needle tubing 13, needle handle 14, hose 15 and needle stand 16 are sequentially connected, cylinder 11 It is placed on the outside of hose 15, sheath 12 is placed on needle tubing 13.Before use, taking out sheath 12 can be infused.Infusion is completed Afterwards, a hand catches the side wall 171 of handle 17, and another hand pulls hose 15 towards the direction of needle stand 16, and fin 141 enters therewith Introducing port 19, it is mobile then along the direction of guide rail 112, reach back-off 113 after turning to guide rail 1121 and 1122, it is described It is mobile that button 113 can prevent fin 141, and then needle handle 14 is stuck in cylinder, at this point, the needle tubing 13 and the whole quilts of needle handle 14 It is wrapped in inner barrel, needle tubing 13 can not tilt exposed.When pulling force is excessive, fin 141 is crossed back-off 113 and is continued to move to, Hand 17 can prevent the further movement of fin 141.Finally, fin 141 enters slot 114 and is fixed, final locking pin Handle 14.

Using the intravenous infusion needle of the present embodiment, after the completion of infusion, hose 15 is pulled towards the direction of needle stand 16, can be incited somebody to action Needle tubing 13 and needle handle 14 are stuck in cylinder 11, and the needle tubing 13 and needle handle 14 are all wrapped in cylinder 11, Neng Gouyou Effect prevents user or other people are wounded by stabbing.

Certain embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (9)

1. a kind of intravenous infusion needle, including sequentially connected needle tubing, needle handle, hose and needle stand, there is fin on the needle handle, it is special Sign is: further including the cylinder made of elastic material, the barrel jacket is set to outside hose, and the inside of the cylinder is along longitudinal direction Direction is equipped with the through-hole matched with hose, and the side wall of the cylinder is equipped with guide rail from one end close to needle handle along the longitudinal direction, The guide rail is communicated with through-hole, and the length of the guide rail is greater than the overall length of the needle tubing and needle handle, and the guide rail is close to needle stand One end is provided with back-off, and the guide rail includes two sections or more connected steering guide rails, and the adjacent steering guide rail is staggered, The length for turning to guide rail is one times or more of the finned length, pulls the hose, the needle towards the needle stand direction Pipe and needle handle are stuck in cylinder after entering guide rail.

2. intravenous infusion needle according to claim 1, it is characterised in that: the guide rail is equipped with handle close to one end of needle stand Hand, the handle is for grasping and preventing needle handle from deviating from from the end of guide rail.

3. intravenous infusion needle according to claim 2, it is characterised in that: the side wall of the handle be inner concave shape, described The side wall of hand is equipped with anti-skidding convex ribs or anti-skidding salient point.

4. intravenous infusion needle according to claim 2, it is characterised in that: the guide rail protrudes into and forms slot in handle, institute Slot and the back-off are stated for locking needle handle.

5. intravenous infusion needle according to claim 4, it is characterised in that: the fin of the length of the slot and the needle handle Length is identical, and the width of the slot and the thickness of fin are identical.

6. intravenous infusion needle according to any one of claim 1 to 4, it is characterised in that: close to the steering guide rail of needle stand Length it is identical as finned length, it is described turn to guide rail width it is identical as foil thickness.

7. intravenous infusion needle according to any one of claim 1 to 5, it is characterised in that: the cylinder is close to needle handle One end is equipped with inclined introducing port, and the introducing port is connected with guide rail.

8. intravenous infusion needle according to any one of claim 1 to 5, it is characterised in that: the cylinder material is polychlorostyrene One of ethylene, polyethylene, polypropylene, acrylonitrile-butadiene-styrene copolymer, polycarbonate or polytetrafluoroethylene (PTFE).

9. intravenous infusion needle according to any one of claim 1 to 5, it is characterised in that: be equipped with shield outside the needle tubing The inner wall of set, the opening of sheath is equipped with anti-skidding convex ribs or anti-skidding salient point.