CN205019521U - Oval reposition of redundant personnel safety indwelling needle - Google Patents
Oval reposition of redundant personnel safety indwelling needle Download PDFInfo
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- CN205019521U CN205019521U CN201520739602.9U CN201520739602U CN205019521U CN 205019521 U CN205019521 U CN 205019521U CN 201520739602 U CN201520739602 U CN 201520739602U CN 205019521 U CN205019521 U CN 205019521U
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- sleeve pipe
- needle
- oval
- puncture
- casing seat
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Abstract
The utility model discloses an oval reposition of redundant personnel safety indwelling needle should keep somewhere the needle, casing seat, puncture steel needle, sleeve pipe, extension pipe and notes liquid including taking the handle connect, the both ends difference adapter sleeve seat of extension pipe connects with notes liquid, it connects body and no adapter, the disinfection helmet of setting on the body, wherein this body coupling extension pipe including annotating liquid to annotate the liquid joint, no adapter is used for accepting the syringe needle device of infusion usefulness, or connects infusion container's liquid medicine outflow pipe, the disinfection helmet is settled in no adapter, be take 2% wash must be safe the disinfection helmet, puncture steel needle and sleeve pipe setting are on the casing seat, and the sleeve pipe parcel is outside the puncture steel needle, be provided with the pars infundibularis on the casing seat, sleeve pipe and the setting of puncture steel needle are on the pars infundibularis of casing seat, still be equipped with back the blood window on the casing seat, the puncture steel needle is that the cross -section is oval. Oval structure can reduce the puncture damage, avoids the emergence of phlebitis, and the improvement is kept somewhere the needle and is put a tub success rate.
Description
Technical field
This utility model relates to a kind of venous transfusion medical apparatus and instruments, particularly a kind of remaining needle.
Background technology
Along with venous detaining needle a large amount of uses clinically, bring many Gospels to patient.Venous detaining needle has: reduce blood vessel injury, alleviate patient suffering, the rescue for critical patient opens vein " green channel ", alleviates the advantages such as the workload of nursing staff, is widely used clinically.
But along with a large amount of uses of remaining needle clinically, there is the declaration of an accident that a large amount of remaining needle indwelling infectious-related complications occurs.A series of statistical data display: cause the topmost factor of remaining needle indwelling failure to be exactly conduit plugging, phlebitis etc.At transfusion tempus intercalare, because casing cavity opening is circular, along with patient's arm motion, pressure increase, backflowing in sleeve pipe may appear in blood.Now, the hemocyte in blood and medicine can be adsorbed on casing wall, form fibrin sheath and thromboembolism (microthrombus and medicine thromboembolism), and cause second day infusion flow rate not smooth, even plugging, directly affects the safe handling of remaining needle.
In addition, the unfractionated heparin cap of common remaining needle, because puncture needle is sharp keen, easily causes the silica gel of calparine cap directly to cut and enters in body, even cause granuloma, bring risk to patient.Also there is the risk that sharp instrument is stabbed during nurse operation, great potential risk is caused to the routine work of nursing staff.
Utility model content
Existing for the remaining needle that the purpose of this utility model is to overcome prior art easily cause that microthrombus or Drug thromboembolism, phlebitis incidence rate are high, to the harm of patient, transfusion speed there is the problem of pricking wound etc. in slow and nurse to microgranule, a kind of remaining needle is provided, the sleeve pipe of this remaining needle and puncture needle have oval structure, effectively can reduce the damage of remaining needle to tunica intima, avoid the formation of fibrin sheath and thromboembolism, improve the safety of remaining needle, reliability.
To achieve these goals, this utility model provides following technical scheme:
A kind of remaining needle, comprises the casing seat of band handle, puncture needle, sleeve pipe, extension tube and fluid injection joint.Two ends adapter sleeve base and the fluid injection joint respectively of extension tube.
Described fluid injection joint comprises fluid injection joint body and is arranged on needleless joint, the sterilization helmet on body, and wherein body connects extension tube.Needleless joint is for accepting the needle apparatus of infusing, or the medicinal liquid connecting infusion vessel flows out conduit.Sterilization helmet, is placed on needleless joint, for keeping the cleannes of needleless joint.
Described puncture needle and sleeve pipe are arranged on casing seat, and sleeve pipe is wrapped in outside puncture needle.Casing seat is provided with infundibulum, and described sleeve pipe and puncture needle are arranged on the infundibulum of casing seat.Described casing seat is also provided with blood back window, for observing the blood back situation of puncture intravasation.
Described puncture needle is cross section is oval.The cross section of described sleeve pipe is also oval.
The puncture needle of remaining needle and the profile of sleeve pipe, for problem existing in prior art, are transformed by this utility model, are transformed into oval structure by the circular configuration used in routine techniques.The puncture needle of ellipsoidal structure coordinates the sleeve pipe of similar structures, remaining needle being reduced for causing damage during puncture and intubation, avoiding phlebitic generation, improving remaining needle and put pipe success rate.
Further, described sterilization helmet is the sterilization helmet of band 2% hibitane.The sterilization helmet of band 2% (weight) hibitane, for the protection of calparine cap.
Further, the opening of sleeve pipe is provided with " one " font opening, the elliptic cross-section being somebody's turn to do " one " font hatch frame and sleeve pipe matches.Mainly the front end indwelling hose segment of sleeve pipe arranges yi word pattern opening.Venous blood is centripetal direction stream, be arranged to " one " font opening, blood reflux will be caused in sleeve pipe because of the arm activity of patient, firmly equal pressure increase in the venous transfusion intermission, blood also not easily backflows in conduit, effectively avoid the problem that the visible component of blood and Drug absorbability form fibrin sheath and thromboembolism on catheter wall, incidence of thrombus reduces.
Preferably, the opening of sleeve pipe is provided with multiple opening.Preferably three " one " font openings, the front opening of its middle sleeve, in " one " font, is also provided with the opening of " one " font, altogether three openings in two sides of the front end of sleeve pipe.During transfusion, medicinal liquid by three direction shunting intravasations, can alleviate blood vessel internal membrane damage, reduces phlebitis and occur; Further, the flow velocity of liquid when multiple opening can also be accelerated to infuse, for emergency provides the transfusion advantage of quickening.
By the above improvement for sleeve pipe, during the venous transfusion intermission, in sleeve pipe, not easily form thromboembolism, second day/again transfusion time liquid medicine flow smooth and easy, without thrombosis, without plugging, the safety of sleeve pipe is significantly promoted.Concrete three yi word pattern hatch frames are as follows: sleeve pipe front opening is a word structure, and respectively there are a word longitudinally (axis of sleeve pipe) opening, totally three word openings both sides, are better than traditional remaining needle and only have a circular open.
Further, infundibulum is arranged the seal head of quality of rubber materials, when puncture needle in use rubber be wrapped in the side of draw point, enable the firm puncture needle of nurse, and then complete the installation of remaining needle.Then, after puncture needle completes the effect of puncture and intubation, after draw point is withdrawn into the seal head of quality of rubber materials, sharp keen needle point wraps up by rubber.Avoid needle point to expose, effectively prevent needle pricks accident from occurring.Even if puncture needle stings out forward, also can first act on rubber, the active force of common intensity cannot make puncture needle pierce through rubber, can effectively protect Health care staff from acupuncture risk.When the puncture needle return is subject to larger active force, due to the inhibition of rubber, the puncture strength generation deviation of draw point, makes draw point flexural deformation, also can play a protective role.
Further, described needleless joint is calparine cap, it has " one " font hatch frame, for connecting tube for transfusion.Calparine cap is in " one " word opening, thus tube for transfusion can adopt does not have the tube for transfusion of syringe needle or piecing devices to be attached thereto, simple, and the particles from getting loose risk that tradition puncture causes can be avoided, eliminate shed particles and directly enter the granuloma accident that potential risk in patient body, particularly microgranule cause.
compared with prior art, the beneficial effects of the utility model:
1. the sleeve pipe of the indwelling hose segment of remaining needle of the present utility model has the feature of " one " font opening, in conjunction with the feature that venous blood is centripetal direction flowing, blood is not easily backflowed in sleeve pipe, the service time of sleeve pipe extends, effectively reduce cannula occlusion probability, prevent thrombosis, reduce the generation of complication for patients, for the mankind benefit.
2. Injector Bushing tube opening structure of the present utility model is more conducive to the treatment needs of patient, and especially rescue patient, needs the patient of quick infusion.Three passage flow liquids that it is arranged, make flow rate of liquid faster, all very satisfied by the patient that rescues or doctor, nurse, particularly have desirable influence especially for patient outcomes.
3. remaining needle sleeve pipe front end of the present utility model has three passages, makes separating liquid, and the pressure dissipation of blood vessel local is in three directions, and the pressure of blood vessel local is reduced, and phlebitis incidence rate reduces, and has higher use value compared with the remaining needle of routine.
4. the position that remaining needle needleless joint of the present utility model is connected with tube for transfusion is connected by " one " font hatch frame, can not because of the generation microgranule that comes off of repeatedly infusing, and the granuloma accident caused for control remaining needle has remarkable improvement result.
5. remaining needle of the present utility model is provided with the protection of sheet metal parcel at infundibulum; after the syringe needle of puncture is pulled out; needle point is protected by sheet metal parcel, avoids nurse by pricking wound, reduces the infection risk that medical personnel are subject to blood born diseases at work.
6. preferred version of the present utility model have employed the sterilization helmet of band 2% hibitane, effectively can protect needleless joint, reduces the risk of inadvertent contamination.
7. remaining needle of the present utility model all has good preventive effect for venous transfusion complication, can reduce the sickness rate of the complication such as phlebitis, catheter blockage and thrombosis significantly.Reduce patient medical expense, improve inpatient bed utilization rate, decrease puzzlement and medical tangle that medical personnel process these complication simultaneously.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is puncture needle and sleeve pipe fine structure enlarged diagram.
Fig. 3 is the structural representation of three " one " font openings in cannula table vein.
Fig. 4 is casing seat upper hopper portion structural representation.
Fig. 5 needleless joint is installed liquid-transport pipe-line " one " font hatch frame schematic diagram.
Labelling in figure: 1-sterilizes helmet, 2-needleless joint, 3-Connection Block, and 4-punctures handle, 5-adjustable plate, 6-extension tube, 7-notch needle stand, 8-blood back window, 9-conduit tube component, 10-infundibulum, 10a-rubber seal head, 11-sleeve pipe and puncture needle.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, this utility model is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of this utility model is only limitted to following embodiment, all technology realized based on this utility model content all belong to scope of the present utility model.
embodiment 1
Remaining needle as shown in Figure 1, comprises the casing seat of band handle 4, puncture needle, sleeve pipe, extension tube 6 and fluid injection joint.Two ends adapter sleeve base and the fluid injection joint respectively of extension tube 6.Described fluid injection joint comprises fluid injection joint body and is arranged on needleless joint 2, the sterilization helmet 1 on body, and wherein body connects extension tube.The body of fluid injection joint includes Connection Block 3 and the needleless joint 2 integrally formed with Connection Block 3, and sterilization helmet 1 is arranged on needleless joint 2.The body of casing seat comprises notch needle stand 7, blood back window 8, conduit tube component 9 and infundibulum 10, its structure as shown in fig. 1, blood back window 8 is in the centre of casing seat body, notch needle stand 7 is then arranged on the afterbody of casing seat body, the two sides of casing seat body is respectively handle 4 and conduit tube component 9.Described puncture needle and sleeve pipe 11 are arranged on the funnel part 10 of casing seat body, and sleeve pipe is wrapped in outside puncture needle.Described puncture needle and sleeve pipe are cross sections is oval, as shown in Figure 2, in the amplification details exploded view of puncture needle 11b and sleeve pipe 11a, the cross section of puncture needle and sleeve pipe is ellipse, puncture needle 11b front end is sharp-pointed needle point structure, be convenient to retained needle puncture and put venae vasorum, sleeve pipe 11a is then wrapped on draw point.When remaining needle just puncture in place after, along with puncture needle 11b exits, sleeve pipe 11a nature indwelling in vein blood vessel.
embodiment 2
Remaining needle as shown in Figure 1-2, its agent structure is identical with embodiment 1, puncture needle and sleeve pipe 11 ovalize structure.
Further, as shown in Figure 3, the most advanced and sophisticated 12a of sleeve pipe 11a is yi word pattern opening and its 12b limit, front 1/3 section of both sides respectively has " one " font opening.Traditional circular configuration remaining needle only has a circular opening, and it has three openings.The opening of known traditional remaining needle circle has two large unfavorable factors:
(1) all medicinal liquids are all flowed out by cannula tip, especially for amount of liquid large, the strong medicine of input chemotherapeutic, corrosive medicine and zest can continue to increase blood vessel local inner film injury.
(2) cannula tip is circular, opening.When patient is in the vein treatment intermission, when the activity of patient's arm, increase arm pressure, blood can backflow in sleeve pipe, the visible component of blood and Drug absorbability are on casing wall, form fibrin sheath and thromboembolism (microthrombus and medicine thromboembolism), cause second day infusion flow rate not smooth, plugging, even thrombosis occurs.
Therefore, be designed to ellipsoidal structure and tip has three direction yi word pattern openings, medicinal liquid more can be facilitated to inject vein blood vessel from opening than traditional remaining needle, can significantly promote transfusion efficiency.Concrete advantage is as follows: (a) phlebitis incidence rate reduces: the pressure of intravenous site tunica intima local reduces: three passages, make separating liquid, the pressure dissipation of blood vessel local is in three directions, and the pressure of blood vessel local is reduced, and phlebitis incidence rate reduces.B () flow rate of liquid is faster: three " one " word openings, and make flow rate of liquid faster, liquid can pass through three passage flow liquids.(c) anti-reflux: because sleeve pipe is a word opening, venous blood is centripetal direction stream, even if there is the pressure in some external worlds, blood also not easily backflows in sleeve pipe, thus avoids cannula occlusion.D () thrombosis reduces: blood not easily backflows, and fibrin absorption occurs near sleeve pipe and reduces, incidence of thrombus reduces.
embodiment 3
Remaining needle, its agent structure is identical with embodiment 2, and main feature is, in Fig. 1 remaining needle casing seat on infundibulum 10 details show as Fig. 4, infundibulum has the seal head 10a of quality of rubber materials.Puncture needle passes from the central crack 10b of rubber seal head 10a, when puncture needle in use rubber 10a be wrapped in the side of draw point, enable the firm puncture needle of nurse.After puncture needle exits, rubber 10a can the crack 10b of elastic telescopic close central, by sharp keen needle point parcel therein, avoids needle point to expose, prevents needle pricks accident from occurring.
Traditional remaining needle: puncture complete extracting time be exposed pin, easily stab patient and nurse.The remaining needle of the present embodiment 3 is through improving, and puncture needle shank has rubber seal head, and when puncture needle is extracted, needle point is wrapped up by rubber seal head, and the accident that effectively can avoid needle pricks medical personnel occurs.
embodiment 4
Remaining needle, its agent structure is identical with embodiment 1, and main feature is, in Fig. 1, the details of needleless joint 2 is shown as shown in Figure 5, the part of needleless joint (calparine cap) being installed tube for transfusion/transfusion tube joint has " one " font opening 1a, and namely calparine cap is " one " word opening.Bottom it, 1b is the part connecting fluid injection adapter body, and bottom this, 1b has the profile that end face magnifies, and can be connected on fluid injection adapter body, can change the outfit easily.Needleless joint after this improvement has " one " font opening 1a, directly connecting remaining needle and can realize pushing away medicine or transfusion, avoiding the microgranules such as silica gel and entering in the body of patient when needing the nipple of transfusion device or empty needle.After transfering to transfusion device empty needle or conduit, the opening Natural closure of " one " font, there is not puncture destruction in period, does not produce any particle detachment thing.
Traditional calparine cap is the total enclosing of silica gel, and when infusing clinically, need to use draw point to realize transfusion through silica gel, operate like this, repeated localised puncture silica gel, the silica gel that easily can not melt is brought in body, brings harm to patient.
embodiment 5
Containing needle structure is identical with embodiment 1, and difference is only that sterilization helmet is 2% hibitane sterilization helmet: for infusing the intermission, cover on needleless joint, protection calparine cap, reduces the risk infected.
remaining needle application forecast of the present utility model
For my institute's situation, my institute's inpatient reaches nearly 5000 at present, the inpatient of more than 90% is had to need venous transfusion, outside the patient of removing PICC and CVC indwelling, at least there is the needs of patients venous transfusion of more than 70% every day, need indwelling needle, namely have at least every day more than 3000 name needs of patients to use indwelling needle.There are up to ten thousand hospitals in the whole nation, and a large amount of needs of patients cooks venous transfusion, needs indwelling needle, wide market.Estimate that the use amount of national oval shunt safety type remaining needle at least can reach 10,000,000,000/year accordingly.
Now clinically the safety remaining needle (U.S. BD) of needleless joint at least at 50 yuan/root, this product cost: 15-20 unit/root, uses, price clinically: 30 yuan/root.For the production firm adopting this utility model remaining needle, production cost also can control substantially at 15-20 unit/root.By the medical market of this product promotion to the whole nation, calculates by the retail price of 30 yuan/root, this product first can get a profit 10 yuan, then is multiplied by national 1 year use amount 10,000,000,000, and profitability can reach 1,000 hundred million yuan.
Claims (8)
1. an oval shunt safety type remaining needle, comprises the casing seat of band handle, puncture needle, sleeve pipe, extension tube and fluid injection joint;
Two ends adapter sleeve base and the fluid injection joint respectively of extension tube;
Described fluid injection joint comprises fluid injection joint body and is arranged on needleless joint, the sterilization helmet on body, and wherein body connects extension tube; Needleless joint is for accepting the needle apparatus of infusing, or the medicinal liquid connecting infusion vessel flows out conduit; Sterilization helmet, is placed on needleless joint;
Described puncture needle and sleeve pipe are arranged on casing seat, and sleeve pipe is wrapped in outside puncture needle; Casing seat is provided with infundibulum, and described sleeve pipe and puncture needle are arranged on the infundibulum of casing seat; Described casing seat is also provided with blood back window, for observing the blood back situation of puncture intravasation;
It is characterized in that,
Described puncture needle is cross section is oval.
2. oval shunt safety type remaining needle according to claim 1, it is characterized in that, the cross section of described sleeve pipe is also oval.
3. oval shunt safety type remaining needle according to claim 1, it is characterized in that, described sterilization helmet is the sterilization helmet of band 2% hibitane.
4. oval shunt safety type remaining needle according to claim 1, is characterized in that, the opening of sleeve pipe is provided with " one " font opening, should the elliptic cross-section of " one " font hatch frame and sleeve pipe match.
5. oval shunt safety type remaining needle according to claim 1, is characterized in that, the opening of sleeve pipe is provided with multiple opening.
6. oval shunt safety type remaining needle according to claim 5, it is characterized in that, be provided with three " one " font openings in the front end of sleeve pipe, the front opening of its middle sleeve, in " one " font, is also provided with the opening of " one " font in two sides of sleeve pipe front end.
7. oval shunt safety type remaining needle according to claim 1, is characterized in that, infundibulum is provided with the seal head of quality of rubber materials.
8. oval shunt safety type remaining needle according to claim 1, it is characterized in that, described needleless joint has " one " font hatch frame, for connecting tube for transfusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739602.9U CN205019521U (en) | 2015-09-22 | 2015-09-22 | Oval reposition of redundant personnel safety indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739602.9U CN205019521U (en) | 2015-09-22 | 2015-09-22 | Oval reposition of redundant personnel safety indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205019521U true CN205019521U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520739602.9U Expired - Fee Related CN205019521U (en) | 2015-09-22 | 2015-09-22 | Oval reposition of redundant personnel safety indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205019521U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107058A (en) * | 2015-09-22 | 2015-12-02 | 四川省人民医院 | Oval diversion safe indwelling needle |
| CN105769220A (en) * | 2016-03-30 | 2016-07-20 | 广州市众为生物技术有限公司 | Quality control system for guaranteeing biological safety of animal plasma, serum or blood |
| CN105903100A (en) * | 2016-04-06 | 2016-08-31 | 西安医学院第二附属医院 | Anticoagulant vein puncture indwelling needle |
| CN108888829A (en) * | 2018-05-14 | 2018-11-27 | 河南兴恒医疗用品有限公司 | The disposable accurate liquid that stops filters anti-puncture no-needle transfusion device |
-
2015
- 2015-09-22 CN CN201520739602.9U patent/CN205019521U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107058A (en) * | 2015-09-22 | 2015-12-02 | 四川省人民医院 | Oval diversion safe indwelling needle |
| CN105107058B (en) * | 2015-09-22 | 2018-11-02 | 四川省人民医院 | A kind of ellipse shunt safety type remaining needle |
| CN105769220A (en) * | 2016-03-30 | 2016-07-20 | 广州市众为生物技术有限公司 | Quality control system for guaranteeing biological safety of animal plasma, serum or blood |
| CN105903100A (en) * | 2016-04-06 | 2016-08-31 | 西安医学院第二附属医院 | Anticoagulant vein puncture indwelling needle |
| CN108888829A (en) * | 2018-05-14 | 2018-11-27 | 河南兴恒医疗用品有限公司 | The disposable accurate liquid that stops filters anti-puncture no-needle transfusion device |
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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 |
Granted publication date: 20160210 Termination date: 20190922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |