CN2341658Y

CN2341658Y - Venous retaining needle

Info

Publication number: CN2341658Y
Application number: CN 98219152
Authority: CN
Inventors: 陈永国
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-10-07
Filing date: 1998-10-07
Publication date: 1999-10-06
Anticipated expiration: 2008-10-07

Abstract

The utility model provides a venous retaining needle which is a tubular body integrally formed. The upper part of the venous retaining needle is provided with a hard sleeve pipe, the side wall of the sleeve pipe is convexly provided with a wing panel, and the lower part of the sleeve pipe is provided with a soft and flexible retaining pipe of which the bottom end is in a shape of a pointed cone. Because the soft retaining pipe has flexibility, when arranged in a vein, the retaining pipe can be bent along the vein. Thus, the injection part can move freely without the worry of puncturing the vein. The utility model has use safety, and can reduce uncomfortableness when in use. Because the venous retaining needle is integrally formed, the productivity is increased, the assembled labor-hour is saved, and the manufacturing cost is reduced.

Description

Venous detaining needle

This utility model relates to a kind of venous detaining needle, be meant a kind of one-body molded tubular body of making especially, top is made as sleeve pipe, and the sleeve pipe below is made as soft flexible indwelling tube, after its indwelling tube partly punctures into vein, placing intravenous indwelling tube to have can be with the zigzag pliability of vein, do not have and pierce through venous danger, have the safety of use, and can reduce the sense of discomfort when using, and can reduce the cost of manufacturing, save the man-hour of assembling.

When the patient who generally is in hospital must do the intravenous injection medicinal liquid for a long time, it mainly is injected directly into intravenous needle in the vein, known intravenous needle 10 (as shown in Figure 1), it mainly establishes the needle body of being made by metal material 100, the top of needle body 100 is provided with a cover and holds portion 101, for with the injection tube socket of splendid attire medicinal liquid, the bottom of needle body 100 is established and is the sharp acicular injection termination 102 of cutting sth. askew, because of the needle body diameter of the more general small-sized entry needle of needle body 100 diameters of intravenous needle 10 thick, if must be for a long time and repeatedly do intravenous drug, then needle body 100 must be on hand puncture injection repeatedly, pain very when needle body 100 injection, and formed pin hole wound in the time of can staying needle body 100 punctures, make patient not only need to stand outside ailing the turning from side to side, also must bear when each intravenous injection pain of skin and flesh, so generally must be intravenous patient for a long time, then injection needle body 100 can be kept somewhere on patient's Yu the hand, when injecting for the first time after the puncture intravenous injection, only the injection tube of splendid attire medicinal liquid being held portion 101 from the cover of needle body 100 pulls out, hold in the portion 101 cock body beyond the Great Wall in the cover of needle body 100, prevent that blood from being flowed out by needle body 100, needle body 100 kept somewhere on hand and vein do not pull out, when next desire is injected, with cock body pull out load onto the injection that is loaded with medicinal liquid with or drop, the medicinal liquid notes that can carry out repeatedly draw, and avoid being subjected to once more the pain of needle body 100 punctures; Known needle body 100 is that metal material is made, the hand that needle body 100 is kept somewhere (as shown in Figure 2) patient in vein is random flexure operation then, because of random its needle body 100 of flexure operation has the anxiety that the thorn perforating veins is caused danger, and metal needle body 100 is kept somewhere in vein the sense of discomfort than tool pain; Keep somewhere the danger and the sense of discomfort that in vein, can pierce through because of aforementioned known metal needle body 100.And another kind of soft venous detaining needle 11 (shown in Fig. 3,4), it mainly is provided with sleeve pipe 110, an indwelling tube 111 and a fixed block 112 and forms, earlier the top cover of indwelling tube 111 is held in the bottom of fixed block 112, again sheathed good indwelling tube 111 and fixed block 112 are established in the sleeve pipe 110, sleeve pipe 110 inner perforated are established and are the oblique cone scalariform, make the cover portion of holding of fixed block 112 and indwelling tube 111 be able to packing and be fixedly arranged in the sleeve pipe 110, promptly finish assembling; Though the soft venous detaining needle 11 of this kind can solve known intravenous injection needle body 100 and can sting the anxiety of perforating veins and reduce the sense of discomfort that metal needle body 100 is kept somewhere in vein, but the member that this kind venous detaining needle 11 is formed is comparatively numerous and diverse, and assembling is difficult for, manufacturing cost is high, and fixed block 112 is made for metal material, meet tide and have the anxiety of getting rusty, and easily accumulate dirt and antibacterial when assembling, the use health of its needle body very may be deceived.

The anxiety that main purpose of the present utility model is to provide a kind of tool pliability not have the thorn perforating veins than tool safety, wholesomeness and the sense of discomfort when capable of reducing using, and can reduce the venous detaining needle of manufacturing cost.

The purpose of this utility model is achieved in that a kind of venous detaining needle, the tubular body that its venous detaining needle is formed in one, its top is made as hard sleeve, and a telescopic outside ancient piece of jade, round, flat and with a hole in its centre convexes with fin, the sleeve pipe below is made as soft flexible indwelling tube, and the bottom of this indwelling tube is established and is cone-shaped.

By above technical scheme as can be known, this utility model has following advantage really:

One, this utility model is formed in one, and can boost productivity, and saves the man-hour of assembling, reduces manufacturing cost, and accumulates antibacterial when not having assembling and the situation of dirt in remaining needle takes place, and wholesomeness need not be deceived.

Two, indwelling tube of the present utility model is kept somewhere in vein and can be reduced the sense of discomfort of using with the injection site bending for can pull out structure, does not more have the anxiety of thorn perforating veins, very safety.

Three, the vein that only must single punctures when injecting once more, is directly injected medicinal liquid on venous detaining needle, can enter in the vein, the vein that all will puncture in the time of need not per injection, pain and sense of discomfort in the time of can reducing patient and be subjected to repeatedly to puncture.

Four, member is simple, and is extremely easy to use.

Below in conjunction with accompanying drawing and specific embodiments this utility model is described in further detail.

Fig. 1 is the axonometric chart of known metal needle body.

Fig. 2 is puncture enlarged diagram in Xue's Yu arteries and veins of known metal needle body.

Fig. 3 is the three-dimensional exploded view of known remaining needle.

Fig. 4 is the assembled sectional view of known remaining needle.

Fig. 5 is an axonometric chart of the present utility model.

Fig. 6 is sheathed on the sketch map of injection needle body for this utility model.

Fig. 7 is a use sketch map of the present utility model.

Fig. 8 is inserted in enlarged diagram in the vein for this utility model.

Fig. 9 is the sketch map of another time of this utility model liquid medicine injection.

At first, as shown in Figure 5, this utility model is mainly established by the one-body molded venous detaining needle of making 2, its top is made as hard sleeve 20, the outside ancient piece of jade, round, flat and with a hole in its centre of sleeve pipe 20 convexes with two fins 21, and sleeve pipe 20 belows are made as soft flexible indwelling tube 22, and these indwelling tube 22 bottoms are established and are cone-shaped 23.

During use, as shown in Figure 6, entry needle A is sheathed on the injection tube B (or drop), the integrated vein 2 of criticizing sb's faults frankly of this utility model is sheathed on the injection A, the indwelling tube 22 of venous detaining needle 2 is coated on the needle body A1 of entry needle A, the A2 of puncture portion of the needle body A1 front end of entry needle A convexedly stretches in the indwelling tube 22 front end outsides that vein stays trade pin 2, can carry out venipuncture, the A2 of puncture portion of entry needle A is punctured in patient's the vein, its indwelling tube 22 of venous detaining needle 2 that is sheathed on the outside of entry needle A needle body A1 also punctures into vein with the needle body A1 of entry needle A, cone-shaped 23 of its venous detaining needle 2 can make indwelling tube 22 relatively easily puncture in the vein, can enter in the vein by liquid medicine injection, after treating that the medicinal liquid body has been injected, only entry needle A must be extracted in venous detaining needle 2, its venous detaining needle 2 still plugs in the vein of indwelling and injection site, clog the sleeve pipe 20 (as shown in Figure 7) of venous detaining needle 2 with cock body 2, in case hemostasis liquid is flowed out by venous detaining needle 2, two fins 21 of its venous detaining needle 2 can be smooth on the injection site, can not rotate arbitrarily so that venous detaining needle 2 firm subsides are touched in hand; Establish because of the indwelling tube 22 of venous detaining needle 2 venous detaining needles 2 again and be soft flexible, the tool pliability so place its indwelling tube 22 of vein not have the anxiety of thorn perforating veins with vein complications (as shown in Figure 8), has safety in the use; When liquid medicine injection once more, only the cock body of filling on the sleeve pipe 20 of venous detaining needle 23 must be pulled out, the head end of expiring the injection tube 8 of medicinal liquid is before plugged in the sleeve pipe 20 of venous detaining needle 2 (as shown in Figure 9), medicinal liquid mat venous detaining needle 2 can be injected in the vein, need not utilize the entry needle A vein that on hand, punctures, can finish liquid medicine injection in vein once more, pain in the time that multiple injection can being reduced and sense of discomfort.

Claims

1, a kind of venous detaining needle, it is characterized in that: the tubular body that this venous detaining needle is formed in one, its top is made as hard sleeve, and telescopic lateral wall convexes with fin, the sleeve pipe below is made as soft flexible indwelling tube, and the bottom of this indwelling tube is established and is cone-shaped.