CN203619985U - Safe transfusion needle capable of preventing bubbles from forming - Google Patents
Safe transfusion needle capable of preventing bubbles from forming Download PDFInfo
- Publication number
- CN203619985U CN203619985U CN201320868222.6U CN201320868222U CN203619985U CN 203619985 U CN203619985 U CN 203619985U CN 201320868222 U CN201320868222 U CN 201320868222U CN 203619985 U CN203619985 U CN 203619985U
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- China
- Prior art keywords
- needle
- bubble
- infusion tube
- transfusion needle
- transfusion
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Abstract
The utility model discloses a safe transfusion needle capable of preventing bubbles from forming. The safe transfusion needle capable of preventing bubbles from forming comprises a needle seat, a transfusion hose and a transfusion needle head which are connected in sequence, a filtering bubble is arranged in the transfusion hose, a bubble filtering membrane is arranged in the filtering bubble, and a safety cannula is arranged outside the transfusion needle head in a sleeved mode. The filtering bubble with the bubble filtering membrane is additionally arranged in the transfusion hose, bubbles mixed in liquid medicine pass through the filtering bubble, are intercepted by the bubble filtering membrane and can not flow through, and therefore air is effectively prevented from entering the blood vessels of a patient through the transfusion hose. The safe transfusion needle capable of preventing bubbles from forming can utilize the safety cannula to cover the needle tip of the transfusion needle head, plays a role in isolation and protection, avoids cross infection of blood infectious diseases caused by exposure of the needle head, is simple in structure and convenient to use, achieves great progress in safety, and is worthy of popularizing and applying.
Description
Technical field
This utility model relates to a kind of Medical venous transfusion pin, particularly a kind of safety transfusion needle that can prevent that foaming from forming.
Background technology
In medical therapy, usually need by patient's venous transfusion is reached to therapeutic purposes, now just must need to use venoclysis needle.General venoclysis needle comprises infusion tube, be connected to the infusion needle of infusion tube one end and be connected to the needle stand of the infusion tube other end, and infusion needle, infusion tube, needle stand are in turn connected to form transfusion path.Wherein, infusion tube is for delivery of sterile solution or medicine, and infusion needle has beveled point with puncture patient skin and thrusts vein, and needle stand connects dropper and infusion bottle.But, at least also there are two unsafe factors in the venoclysis needle of this structure: first, medical worker to patient carry out after venipuncture used transfusion needle there is outside very large potential safety hazard because syringe needle is exposed, in medical worker reclaims the process of transfusion needle, easily stabbed by syringe needle or stab other people and cause blood-borne disease in cross infection; The second, due to the structure that prevents specially bubble formation not being set on infusion tube, excessive air may enter patient vessel through infusion tube, and serious will cause air embolism, safety deficiency.
Therefore, be necessary existing venoclysis needle to improve, strengthen the safety of its use, make it not only can stop the cross infection that used transfusion needle causes outside because syringe needle is exposed, and can also prevent that air from entering patient vessel through infusion tube.
Utility model content
In view of this, this utility model provides a kind of Anti-bubble formation type safety transfusion needle, the safety of its use is greatly improved, and not only can stop the cross infection that used transfusion needle causes outside because syringe needle is exposed, and can also prevent that air from entering patient vessel through infusion tube.
Anti-bubble formation type safety transfusion needle of the present utility model, comprises the needle stand, infusion tube and the infusion needle that connect successively, in described infusion tube, is provided with folliculus, and described mistake in folliculus is provided with bubble filter membrane, and described infusion needle is arranged with condom pipe outward.
Further, described infusion tube lower end is hinged with the safe cutting ferrule with bar-shaped trough, and described safe cutting ferrule can, to the needle point direction motion of described syringe needle, make described needle point snap in described bar-shaped trough.
Further, described bubble filter membrane favours the longitudinal center line setting of described infusion tube.
Further, described safe sleeve pipe is stereoplasm tube, and the sealing of the head of described safe sleeve pipe.
Further, the lower end of described infusion tube is installed with the pin wing, and the described pin wing is located at the top of described safe cutting ferrule.
Further, the described pin wing is butterfly and its surface is provided with anti-skidding salient point.
Further, be positioned at the described part of crossing more than folliculus and be provided with branch's infusion tube on described infusion tube, the end of described branch infusion tube is provided with the branch's needle stand with calparine cap.
Further, the upper end of described needle stand is bolted with head protector.
The beneficial effects of the utility model: Anti-bubble formation type safety transfusion needle of the present utility model, by set up the folliculus of crossing with bubble filter membrane in infusion tube, the bubble being blended in medicinal liquid will be held back by bubble filter membrane and cannot flow through after crossing folliculus, effectively prevent that air from entering patient vessel through infusion tube; This transfusion needle can utilize the needle point of safe sleeve covers infusion needle, plays the effect of isolation, protection, avoids syringe needle outside exposed and cause the cross infection of blood-borne disease; This utility model is simple in structure, easy to use, has very much progress in safety, is worthy of popularization.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further described:
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Fig. 1 is structural representation of the present utility model, as shown in the figure: the Anti-bubble formation type safety transfusion needle of the present embodiment, Anti-bubble formation type safety transfusion needle, comprise the needle stand 3, infusion tube 1 and the infusion needle 2 that connect successively, in described infusion tube 1, be provided with folliculus 4, described mistake in folliculus 4 is provided with bubble filter membrane 5, the outer condom pipe 61 that is arranged with of described infusion needle 2; Needle stand 3, infusion tube 1 and infusion needle 2 are in turn connected to form transfusion path, and wherein, infusion tube 1 is for delivery of sterile solution or medicine, and infusion needle 2 has beveled point with puncture patient skin and thrusts vein, and needle stand 3 connects dropper and infusion bottle; This transfusion needle is disposable use medical supplies, and its material composition is same as the prior art, does not repeat them here; Cross folliculus 4 for circular or oblate flexible pipe part radially outstanding in infusion tube 1, be wherein provided with bubble filter membrane 5; The bubble being blended in medicinal liquid will be held back by bubble filter membrane 5 and cannot flow through after crossing folliculus 4, effectively prevent that air from entering patient vessel through infusion tube 1; Safe sleeve pipe 61 is for having the straight tube of hollow structure; it is connected to infusion needle 2 and can covers when outer the tip portion of infusion needle 2; before this transfusion needle of use, utilize safe sleeve pipe 61 to cover the tip portion of infusion needle 2, infusion needle 2 is played to the effect of isolation, protection.
In the present embodiment, described infusion tube 1 lower end is hinged with the safe cutting ferrule 62 with bar-shaped trough, and described safe cutting ferrule 62 can, to the needle point direction motion of described infusion needle 2, make described needle point snap in described bar-shaped trough; Safe cutting ferrule 62 is for having the opening cell body of an opening, and it is hinged on infusion tube 1 lower end, and lower end is infusion tube 1 one end near infusion needle 2, can move and block needle point to the needle point direction of infusion needle 2; Before this transfusion needle of use, safe cutting ferrule 62 times is curved goes along with sb. to guard him safe sleeve pipe 61 with part, now safe sleeve pipe 61 is placed in the open slot of safe cutting ferrule 62, can make the connection of safe sleeve pipe 61 more firm, prevents that safe sleeve pipe 61 from accidentally departing from infusion needle 2 and stabbing user or other people; Using after this transfusion needle, even because losing or special medicine regulation cannot be used safe sleeve pipe 61, safe cutting ferrule 62 also can descend curvedly to go along with sb. to guard him the needle point of infusion needle 2 with part, thereby avoids syringe needle outside exposed and cause the cross infection of blood-borne disease; As for the concrete shape of safe cutting ferrule 62, this utility model does not limit, if the shape that can realize object all can, comprise cuboid groove shape, Column groove shape etc.
In the present embodiment, described bubble filter membrane 5 favours the longitudinal center line setting of described infusion tube 1; Bubble filter membrane 5 is in the gradient difference of crossing in folliculus 4, and its total surface area playing a role is also different; When bubble filter membrane 5 is during perpendicular to the longitudinal center line of infusion tube 1, the active area minimum of bubble filter membrane 5; Therefore, bubble filter membrane 5 is preferably 10 ° to 60 ° with the angle of inclination of the longitudinal center line of infusion tube 1, not only can increase and the contact area of bubble, and oblique surface is conducive to voids, strengthens filter effect.
In the present embodiment, described safe sleeve pipe 61 is stereoplasm tube, and the sealing of the head of described safe sleeve pipe 61; Shape, the large I of safe sleeve pipe 61 are identical with infusion tube 1, just on material, select the plastics of inclined to one side hard, but also have certain elasticity, to form effective protective action simultaneously; Safe sleeve pipe 61 is socketed in outside infusion needle 2, for convenience detach and connection; The head sealing of safe sleeve pipe 61, can effectively avoid extraneous dust to enter from the head, can also strengthen the structural strength of safe sleeve pipe 61.
In the present embodiment, the lower end of described infusion tube 1 is installed with the pin wing 8, and the described pin wing 8 is located at the top of described safe cutting ferrule 62; The setting of the pin wing 8 is convenient to medical personnel and is held pin puncture.
In the present embodiment, the described pin wing 8 is butterfly and its surface is provided with anti-skidding salient point 81; Butterfly is similar to the wing shape of butterfly, and the pin wing 8 is take infusion needle 2 as axis of symmetry; The pin wing 8 of butterfly more can adapt to medical personnel's operating habit, makes easy and simple to handle; Anti-skidding salient point 81 can effectively strengthen the frictional behaviour of the pin wing 8, must expire when medical personnel puncture and skid; In addition, can also on the pin wing 8, set up Surgidressing, after infusion needle 2 is thrust patient vessel by medical worker, the protective layer on sticker be taken off and got final product fixed needle, reduce the triviality of operation.
In the present embodiment, described infusion tube 1 is provided with branch's infusion tube 9, and the end of described branch infusion tube is provided with the branch's needle stand 91 with calparine cap, and described branch infusion tube 9 is located at the described top of crossing folliculus 4; This transfusion needle is designed to have branched structure, if need to give patient's intravenous drug in infusion process, can directly inject by branch's needle stand 91, thereby without using separately syringe to inject, to alleviate patient suffering, to reduce medical worker's workload; Branch's infusion tube 9 was located on folliculus 4, made folliculus 4 bring into play filter effect to the medicine of injection.
In the present embodiment, the upper end of described needle stand 3 is bolted with head protector 7; Head protector 7 is cylindrical, has the vertical anti-slip veins in female thread and outside, can prevent that extraneous dust from entering needle stand 3.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although this utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. an Anti-bubble formation type safety transfusion needle, comprise the needle stand (3), infusion tube (1) and the infusion needle (2) that connect successively, it is characterized in that: in described infusion tube (1), be provided with folliculus (4), described mistake in folliculus (4) is provided with bubble filter membrane (5), the outer condom pipe (61) that is arranged with of described infusion needle (2).
2. Anti-bubble formation type safety transfusion needle according to claim 1, it is characterized in that: described infusion tube (1) lower end is hinged with the safe cutting ferrule (62) with bar-shaped trough, described safe cutting ferrule (62) can, to the needle point direction motion of described infusion needle (2), make described needle point snap in described bar-shaped trough.
3. Anti-bubble formation type safety transfusion needle according to claim 2, is characterized in that: described bubble filter membrane (5) favours the longitudinal center line setting of described infusion tube (1).
4. Anti-bubble formation type safety transfusion needle according to claim 1, is characterized in that: described safe sleeve pipe (61) is stereoplasm tube, and the sealing of the head of described safe sleeve pipe (61).
5. Anti-bubble formation type safety transfusion needle according to claim 4, is characterized in that: the lower end of described infusion tube (1) is installed with the pin wing (8), and the described pin wing (8) is located at the top of described safe cutting ferrule (62).
6. Anti-bubble formation type safety transfusion needle according to claim 5, is characterized in that: the described pin wing (8) is butterfly and its surface is provided with anti-skidding salient point (81).
7. according to the Anti-bubble formation type safety transfusion needle described in any one in claim 1 to 6, it is characterized in that: described infusion tube (1) is provided with branch's infusion tube (9), the end of described branch infusion tube is provided with the branch's needle stand (91) with calparine cap, and described branch infusion tube (9) is located at the described top of crossing folliculus (4).
8. Anti-bubble formation type safety transfusion needle according to claim 7, is characterized in that: the upper end of described needle stand (3) is bolted with head protector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868222.6U CN203619985U (en) | 2013-12-26 | 2013-12-26 | Safe transfusion needle capable of preventing bubbles from forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868222.6U CN203619985U (en) | 2013-12-26 | 2013-12-26 | Safe transfusion needle capable of preventing bubbles from forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203619985U true CN203619985U (en) | 2014-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320868222.6U Expired - Fee Related CN203619985U (en) | 2013-12-26 | 2013-12-26 | Safe transfusion needle capable of preventing bubbles from forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203619985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963397A (en) * | 2017-04-01 | 2017-07-21 | 无锡市第五人民医院 | Size rathole bottom is efficiently taken a blood sample blood-collecting apparatus |
-
2013
- 2013-12-26 CN CN201320868222.6U patent/CN203619985U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963397A (en) * | 2017-04-01 | 2017-07-21 | 无锡市第五人民医院 | Size rathole bottom is efficiently taken a blood sample blood-collecting apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161226 |