CN203677643U - Safe venous indwelling needle - Google Patents
Safe venous indwelling needle Download PDFInfo
- Publication number
- CN203677643U CN203677643U CN201320826085.XU CN201320826085U CN203677643U CN 203677643 U CN203677643 U CN 203677643U CN 201320826085 U CN201320826085 U CN 201320826085U CN 203677643 U CN203677643 U CN 203677643U
- Authority
- CN
- China
- Prior art keywords
- needle
- needle tubing
- hole
- safe type
- mobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001467 acupuncture Methods 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 8
- 238000001802 infusion Methods 0.000 claims description 7
- 230000006378 damage Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 239000003978 infusion fluid Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 208000012266 Needlestick injury Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010049976 Impatience Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229940127558 rescue medication Drugs 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Finger-Pressure Massage (AREA)
Abstract
The utility model discloses a safe venous indwelling needle. The venous indwelling needle comprises a conduit assembly, a needle tubing assembly and an infusion fluid connector, wherein a needling-resistance protection assembly is arranged between a conduit seat and a needle seat and comprises a protection seat with a hollow structure; at least one movable body is arranged in the hollow structure of the protection seat, and a through hole through which the needle tubing can penetrate is formed in the movable body; the maximum inner diameter of the hollow structure of the protection seat is larger than the maximum outer diameter of the movable body, so that after the needle tubing breaks away from the through hole in the movable body, the axis of the needle tubing is not coincident with the axis of the through hole. The utility model has the beneficial effects that the needling-resistance protection assembly has the advantages of flexibility in originality, and simple in structure. Through the adoption of the needle, damages of needling injuries, disease infectivity, environment pollution and the like can be effectively prevented; at the same time, when the needle is retreated, the safe venous indwelling needle needs small pull, and the needle is more convenient, more reliable and has better promotion prospects.
Description
Technical field
This utility model belongs to infusion apparatus field, relates in particular to a kind of safe type venous retaining needle with anti-needling action.
Background technology
The use of venous detaining needle can reduce patient because of cause painful of venipuncture repeatedly and to the fear of having an injection, alleviate family members' impatience, be convenient to clinical application, suddenly, the rescue medication of critical patient, alleviate nurse's workload, reduce patient's pain, thereby venous detaining needle is in wide clinical application.
The withdraw of the needle after use of existing venous detaining needle, syringe needle is polluted by patient's blood, and medical personnel, pulling away or clear up while abandoning remaining needle, are easily stabbed by syringe needle and easily catch, discarded syringe needle is exposed simultaneously easily causes environmental pollution in environment, has serious potential safety hazard.
In Chinese patent CN201481960U, disclose a kind of safe type venous retaining needle with needle point shield assembly, the catch of upspringing of the elastic steel sheet in needle point shield assembly blocks needle tubing, needle tubing can not be passed again, thereby prevent needle stick injury medical personnel.But this elastic steel sheet is easily lost elasticity, once catch can not be upspring, just can not reach the effect that stops that needle tubing passes again, lose the function that prevents needle stick injury, there is potential safety hazard.In order to solve this type of technical problem, Chinese patent CN202822325U and CN203169724U all disclose a kind of anti-acupuncture protection assembly, and its principle is to adopt shell fragment to block or block needle tubing equally, and it can not be passed again.But anti-acupuncture protection assembly of the prior art has a common fault: because needle tubing is in the process being pulled out; in protecting seat, oppressed by elastic steel sheet all the time and there is the trend being bent; cause the frictional force between described needle tubing and protecting seat very large; therefore medical personnel need to use very large power in extracting needle tubing; operation is inconvenience extremely; What is more also extracts the conduit that is arranged in vein owing to exerting all one's strength excessive, causes unnecessary malpractice.
Utility model content
In view of the defect that above-mentioned prior art exists, the purpose of this utility model is to propose a kind of safe type venous retaining needle, makes venous detaining needle use syringe needle after the withdraw of the needle to avoid exposed in environment, prevents cross infection and environmental pollution after acupuncture.
Another object of the present utility model is to propose a kind of safe type venous retaining needle, makes venous detaining needle convenient and reliable in the time of the withdraw of the needle, handling safety.
The purpose of this utility model will be achieved by the following technical programs:
A kind of safe type venous retaining needle, comprises conduit tube component, needle tubing assembly and is connected to the transfusion joint on described conduit tube component, described conduit tube component comprises catheter block and is arranged on the conduit of described catheter block front end; Described needle tubing assembly comprises needle stand and is installed in the needle tubing on described needle stand, and described needle tubing is inserted in the inside of described conduit and catheter block; Between described catheter block and described needle stand, be provided with an anti-acupuncture protection assembly; Described anti-acupuncture assembly comprises that one has the protecting seat of hollow structure; the hollow inside of described protecting seat is equipped with at least one mobile; described mobile is provided with the through hole passing for described needle tubing; the maximum inner diameter of the hollow inside of described protecting seat is greater than the maximum outside diameter of described mobile; to such an extent as to depart from after the through hole of described mobile when described needle tubing, the axis of described needle tubing does not overlap with the axis of described through hole.
Preferably, the profile of described mobile is spherical, triangle, polygon or irregularly shaped.In the time that described needle tubing passes described through hole, gapped between described mobile and described protecting seat.
Preferably, when the profile of described mobile is while being spherical, described through hole is through the described spherical centre of sphere.
Preferably, when being equipped with two on described needle tubing while being two the above mobiles, being shaped as of described mobile is identical or different.
Preferably, described protecting seat is formed by a cutting ferrule and a jam clamping, is equipped with the circular hole passing for described needle tubing in described cutting ferrule and jam, the maximum inner diameter that the maximum inner diameter of the hollow inside of described protecting seat is described cutting ferrule.
Preferably, the circular hole of described jam is step-like, and the minimum diameter of the circular hole of described jam is less than the maximum gauge of the flat body of described needle tubing.
Preferably, the embedded metal derby of described jam (9) (14), described metal derby (14) has a circular hole, and the diameter of described circular hole is less than the maximum gauge of the flat body (16) of described needle tubing (4).
Preferably, the front end of described cutting ferrule (8) is provided with projection (15), and the rear end of described catheter block (2) is provided with the perforation of phase clamping with it.
Preferably, be provided with a batching pig in described catheter block, described batching pig is positioned at the front end of described protecting seat.
Preferably, described catheter block is connected with note infusion connector by a long duct, and described long duct is provided with a flow-stopping clip.Described note infusion connector is needleless joint or positive pressure connector.
The beneficial effects of the utility model are mainly reflected in: anti-acupuncture protection assembly intention of the present utility model is ingenious, simple in structure, can effectively prevent the harm such as needle stick injury, disease propagation and environmental pollution; The pulling force that venous detaining needle of the present utility model needs in the time of the withdraw of the needle is simultaneously less, more convenient, more reliable, has extraordinary promotion prospect.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail the specific embodiment of the present utility model, so that technical solutions of the utility model are easier to understand, grasp.
Accompanying drawing explanation
Fig. 1 is the schematic diagram before use of preferred embodiment of anti-acupuncture protection assembly of the present utility model;
Fig. 2 is the schematic diagram in use of preferred embodiment of anti-acupuncture protection assembly of the present utility model;
Fig. 3 is the preferred embodiment of anti-acupuncture protection assembly of the present utility model schematic diagram after use;
Fig. 4 is the preferred embodiment of anti-acupuncture protection assembly of the present utility model second case schematic diagram after use;
Fig. 5 is that the preferred embodiment of anti-acupuncture protection assembly of the present utility model the 3rd illustrates intention after use;
Fig. 6 is the schematic diagram before use of the second embodiment of anti-acupuncture protection assembly of the present utility model;
Fig. 7 is the 3rd embodiment schematic diagram before use of anti-acupuncture protection assembly of the present utility model.
The specific embodiment
This utility model has disclosed a kind of safe type venous retaining needle, as shown in Figure 1, comprises conduit tube component, needle tubing assembly and is connected to the transfusion joint 6 on described conduit tube component.Described conduit tube component comprises catheter block 2 and is arranged on the conduit 1 of described catheter block 2 front ends; Described needle tubing assembly comprises needle stand 3 and is installed in the needle tubing 4 on described needle stand 3, and described needle tubing 4 is inserted in the inside of described conduit 1 and catheter block 2.In described catheter block 2, be provided with a batching pig 11.Described catheter block 2 is connected with note infusion connector 6 by a long duct 7, and described long duct is provided with a flow-stopping clip 5.Described note infusion connector 6 is needleless joint or positive pressure connector.
In order to prevent the needle tubing 4 needle stick injury doctors of venous detaining needle, this utility model is provided with an anti-acupuncture protection assembly between described catheter block 2 and described needle stand 3.Described anti-acupuncture assembly comprises that one has the protecting seat of hollow structure, and in this preferred embodiment, described protecting seat is formed by a cutting ferrule 8 and jam 9 clampings, is equipped with the circular hole passing for described needle tubing 4 in described cutting ferrule 8 and jam 9.The circular hole of described jam 9 is step-like, and the minimum diameter of the circular hole of described jam 9 is less than the maximum gauge of the flat body 16 of described needle tubing 4, when described needle tubing 4 is retreated, can be blocked by described jam 9.Wherein, flat body 16 belongs to prior art due to being flattened by needle tubing 4, does not repeat them here.Described cutting ferrule 8 and jam 9 form a hollow inside, are provided with a mobile 10 in it, and described mobile 10 is provided with the through hole 12 passing for described needle tubing 4.
The profile of described mobile 10 is spherical, triangle, and polygon or irregularly shaped, when described needle tubing 4 is during through described through hole 12, between described mobile 10 and described protecting seat gapped 13.In this preferred embodiment, the profile of described mobile 10 is spherical, and described through hole 12 is through the described spherical centre of sphere.Certainly, described through hole 12 also can eccentric setting, if can make described needle tubing 4 through.
In this preferred embodiment, the maximum inner diameter of the hollow inside of described protecting seat is the maximum inner diameter of described cutting ferrule 8.The maximum inner diameter of the hollow inside of described protecting seat is greater than the maximum outside diameter of described mobile 10, to such an extent as to when described needle tubing 4 is during through described through hole 12, between described mobile 10 and the inwall of described cutting ferrule 8 gapped 13.
When assembling; the needle tubing 4 that assembles mobile 10 and jam 9 is fixed on described needle stand 3; then described jam 9 is carried out to clamping with described cutting ferrule 8; finally the needle tubing assembly having assembled and anti-acupuncture protection assembly is mounted on described catheter block 2, the end face of described cutting ferrule 8 can with described batching pig 11 butts.
In conjunction with Fig. 1 to Fig. 5, while needing to exit needle tubing 4, pull back needle stand 3 after the conduit 1 of venous detaining needle inserts in patient's vein, it drives needle tubing 4 to retreat.Meanwhile, due to the restriction of jam 9 end faces, described mobile 10 is exiting at leisure in the front end of needle tubing 4, and is retained in the hollow inside of protecting seat.Further, due to the restriction of the step-like circular hole of jam 9, in the process retreating at described needle tubing 4, described protecting seat can be pulled away from from catheter block 2 together.Specifically with reference to Fig. 3 to Fig. 5; now; because the maximum inner diameter of the hollow inside of described protecting seat is greater than the maximum outside diameter of described mobile 10; be between described mobile 10 and the inwall of described cutting ferrule 8 gapped 13; so; described mobile 10 can complete and move freely or rotate between the hollow inside of described protecting seat, the movement that for example Fig. 3 discloses, the rotation that Fig. 4 and Fig. 5 disclose.Like this, the axis of described needle tubing 4 does not overlap with the axis of the through hole 12 of described mobile 10, can guarantee that described needle tubing 4 can not again pass described through hole 12 and then stretch out from the circular hole of described cutting ferrule 8, has played the effect of anti-acupuncture protection.
The preferred spheroid that adopts of mobile 10 in this utility model, other shape is all unrestricted certainly, as long as it can realize freely-movable and the axis of its through hole 12 is not overlapped with the axis of needle tubing 4 in hollow inside.For example Fig. 6 has disclosed the second embodiment of the present utility model, and the periphery cover of described needle tubing 4 has 2 mobiles 10 that profile is identical, and this mobile comprises a through hole 12 for the treatment of that needle tubing 4 passes.Fig. 7 has disclosed the 3rd embodiment of the present utility model, and the periphery cover of described needle tubing 4 has 2 mobiles 10 that profile is different, and Liang Ge mobile includes a through hole 12 for the treatment of that needle tubing 4 passes.
Therefore, the number for mobile in this utility model is not limit, and mobile's number is more, and the effect of anti-acupuncture is better.
In this utility model, described cutting ferrule 8 is not also limit with the connected mode of catheter block 2, for example interference fit in preferred embodiment, or the snap fit of employing in second, third embodiment, the front end of described cutting ferrule 8 is provided with projection 15, and the rear end of described catheter block 2 is provided with the perforation of phase clamping with it.Certainly, the connection between cutting ferrule 8 and the jam 9 of described protecting seat also can adopt snap fit.
Can successfully protecting seat be pulled out from catheter block 2 in the process retreating in order to ensure needle tubing 4; in the 3rd embodiment as shown in Figure 7; the embedded metal derby 14 of described jam 9, described metal derby 14 has a circular hole, and the diameter of described circular hole is less than the maximum gauge of the flat body 16 of described needle tubing 4.Like this when the needle tubing 4 of metal and metal derby 14 touch while connecing, can be inerrably by protecting seat from catheter block 2 pull-outs.
This utility model has overcome a usual thinking of current anti-acupuncture protection assembly; do not need needle tubing 4 bendings also can realize the object of anti-acupuncture, solved the problem that in needle tubing 4 fall back process moment is subject to flexure strip pressure, structure is also simpler; assemble also more conveniently, be more suitable for marketing.
This utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming, within all dropping on protection domain of the present utility model.
Claims (10)
1. a safe type venous retaining needle, comprises conduit tube component, needle tubing assembly and is connected to the transfusion joint (6) on described conduit tube component, described conduit tube component comprises catheter block (2) and is arranged on the conduit (1) of described catheter block (2) front end; Described needle tubing assembly comprises needle stand (3) and is installed in the needle tubing (4) on described needle stand (3), and described needle tubing (4) is inserted in the inside of described conduit (1) and catheter block (2); It is characterized in that: between described catheter block (2) and described needle stand (3), be provided with an anti-acupuncture protection assembly; Described anti-acupuncture assembly comprises that one has the protecting seat of hollow structure; the hollow inside of described protecting seat is equipped with at least one mobile (10); described mobile (10) is provided with the through hole (12) passing for described needle tubing (4); the maximum inner diameter of the hollow inside of described protecting seat is greater than the maximum outside diameter of described mobile (10); to such an extent as to depart from after the through hole (12) of described mobile when described needle tubing (4), the axis of described needle tubing (4) does not overlap with the axis of described through hole (12).
2. safe type venous retaining needle according to claim 1; it is characterized in that: the profile of described mobile (10) is spherical; triangle; polygon or irregularly shaped; in the time that described needle tubing (4) passes described through hole (12), between described mobile (10) and described protecting seat gapped (13).
3. safe type venous retaining needle according to claim 2, is characterized in that: when the profile of described mobile (10) is while being spherical, described through hole (12) is through the described spherical centre of sphere.
4. safe type venous retaining needle according to claim 1, is characterized in that: when being equipped with two on described needle tubing (4) while being two the above mobiles, being shaped as of described mobile is identical or different.
5. safe type venous retaining needle according to claim 1; it is characterized in that: described protecting seat is formed by a cutting ferrule (8) and a jam (9) clamping; in described cutting ferrule (8) and jam (9), be equipped with the circular hole passing for described needle tubing (4), the maximum inner diameter of the hollow inside of described protecting seat is the maximum inner diameter of described cutting ferrule (8).
6. safe type venous retaining needle according to claim 5, is characterized in that: the circular hole of described jam (9) is step-like, and the minimum diameter of the circular hole of described jam (9) is less than the maximum gauge of the flat body (16) of described needle tubing (4).
7. safe type venous retaining needle according to claim 6, it is characterized in that: the embedded metal derby of described jam (9) (14), described metal derby (14) has a circular hole, and the diameter of described circular hole is less than the maximum gauge of the flat body (16) of described needle tubing (4).
8. safe type venous retaining needle according to claim 7, is characterized in that: the front end of described cutting ferrule (8) is provided with projection (15), and the rear end of described catheter block (2) is provided with the perforation of phase clamping with it.
9. according to the arbitrary described safe type venous retaining needle of claim 1 to 8, it is characterized in that: in described catheter block (2), be provided with a batching pig (11), described batching pig (11) is positioned at the front end of described protecting seat.
10. according to the arbitrary described safe type venous retaining needle of claim 1 to 8, it is characterized in that: described catheter block (2) is connected with note infusion connector (6) by a long duct (7), and described long duct is provided with a flow-stopping clip (5); Described note infusion connector (6) is needleless joint or positive pressure connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320826085.XU CN203677643U (en) | 2013-12-16 | 2013-12-16 | Safe venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320826085.XU CN203677643U (en) | 2013-12-16 | 2013-12-16 | Safe venous indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203677643U true CN203677643U (en) | 2014-07-02 |
Family
ID=50999612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320826085.XU Expired - Lifetime CN203677643U (en) | 2013-12-16 | 2013-12-16 | Safe venous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203677643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548261A (en) * | 2015-01-12 | 2015-04-29 | 江苏磐宇科技有限公司 | Shrapnel-type anti-acupuncture Y-shaped remaining needle production process |
-
2013
- 2013-12-16 CN CN201320826085.XU patent/CN203677643U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548261A (en) * | 2015-01-12 | 2015-04-29 | 江苏磐宇科技有限公司 | Shrapnel-type anti-acupuncture Y-shaped remaining needle production process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204017014U (en) | Safe type venous retaining needle | |
| CN103071204B (en) | Safety type detaining needle with disposable use | |
| CN105363098B (en) | A kind of anti-venous indwelling needle | |
| CN103071203A (en) | Anti-acupuncture intravenous detaining needle | |
| CN103768682B (en) | Safe type retention needle | |
| CN204709530U (en) | Disposable safe type remaining needle | |
| CN203169724U (en) | Disposable safe indwelling needle | |
| CN203677643U (en) | Safe venous indwelling needle | |
| CN206995555U (en) | A kind of protection device of puncture needle Anti-stabbing | |
| CN205307510U (en) | Vein detained needle capable of preventing needling | |
| CN203043149U (en) | Needling prevention venous indwelling needle | |
| CN205073413U (en) | Safe venous indwelling needle | |
| CN209154748U (en) | It is a kind of can automatic rebounding remaining needle | |
| CN204709529U (en) | One-off card button anti-pricking wound type remaining needle | |
| CN204582151U (en) | The anti-acupuncture needleless of card form connects venous detaining needle | |
| CN208770562U (en) | The anti-acupuncture group part and safety indwelling needle of safety indwelling needle | |
| CN203749935U (en) | Safety indwelling needle | |
| CN202682468U (en) | Remaining needle preventing puncture | |
| CN201668793U (en) | Needle tube retraction type positive pressure remaining needle | |
| CN204158810U (en) | A kind of safe type venous retaining needle | |
| CN211798022U (en) | Closed needle-puncture-preventing remaining needle | |
| CN209060192U (en) | A kind of new type of safe remaining needle | |
| CN203226878U (en) | Safe intravenous puncture trocar | |
| CN209347790U (en) | A kind of automatic withdrawing of needle safety indwelling needle | |
| CN101766852A (en) | Safe intravenous infusion needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215101 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Patentee after: SUZHOU LINHWA MEDICAL DEVICES CO.,LTD. Address before: 215101 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Patentee before: SUZHOU LINHUA MEDICAL DEVICE CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |