CN103830802B - Single use safety transfusion remaining needle - Google Patents
Single use safety transfusion remaining needle Download PDFInfo
- Publication number
- CN103830802B CN103830802B CN201210472875.2A CN201210472875A CN103830802B CN 103830802 B CN103830802 B CN 103830802B CN 201210472875 A CN201210472875 A CN 201210472875A CN 103830802 B CN103830802 B CN 103830802B
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- Prior art keywords
- needle tubing
- needle
- pillar
- connecting hose
- flexible pipe
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Abstract
A kind of single use safety transfusion remaining needle, belong to medical instruments field, mainly comprise indwelling flexible pipe, puncture needle tubing, infusion tube, needle tubing drawing part, connecting hose and needle tubing pillar, sequentially connect as one between the connection that wherein said connecting hose is arranged on indwelling flexible pipe and needle tubing pillar, described needle tubing drawing part connects as one with puncture needle tubing and is together built in the sequentially connector of indwelling flexible pipe, connecting hose and needle tubing pillar, will puncture needle tubing collecting shielding in needle tubing pillar by tractive needle tubing drawing part.This device easily and effectively can accommodate shielding puncture needle tubing while inheriting tradition remaining needle advantage, also shortens the rigid length after its assembling definitely, has stopped the phenomenon again utilized simultaneously, really reached the object of safe infusion.
Description
Technical field
The present invention relates to vein in medical instruments field or arterial infusion, blood transfusion, blood taking needle, espespecially a kind of disposable safety transfusion remaining needle.
Background technology
Current transfusion remaining needle mainly utilizes indwelling flexible pipe to patient's infusion liquid.Because indwelling flexible pipe with blood vessel synchronous zigzag, thus can not can puncture blood vessel wall because patient limb moves and cause corresponding untoward reaction in the blood vessel again.Therefore, the use of transfusion remaining needle has its safe, convenient and reliability, also decreases the misery punctured again to patient simultaneously.
But this transfusion remaining needle is after infusion-completed, and its sharp needle tubing is completely outside exposed, to clinical staff and the clinical waste personnel that reclaim bring stab by mistake and infect, pathophorous danger.And this danger has been unavoidable a great problem in medical industry.Especially the disease of some specific infection, syringe needle as used in the patient such as hepatitis B, acquired immune deficiency syndrome (AIDS) more needs exercise due diligence.And the method solving this difficult problem at present also has, such as China Patent No. is 03141566.0 " a kind of safety type phleboclysis staying needle with the wing " mentioned, comprises indwelling casing tube assembly, safeguard protection shell, puncture needle component and needle point helmet.Its indwelling casing tube assembly is made up of threeway seat, flexible pipe, joint, sealing member and indwelling casing tube, and its puncture needle component is made up of puncture needle wings and puncture needle tubing.The front end of safeguard protection shell is plugged on the first interface of threeway seat, and the root of puncture needle wings is mediated with the guiding conduit of safeguard protection shell movably.After indwelling casing tube and puncture needle tubing together thrust blood vessel, be retracted in safeguard protection shell by puncture needle wings by puncture needle tubing, finally pulled up from threeway seat by safeguard protection shell, the safety realizing puncture needle component abandons.Such as China Patent No. is 95101192.8 " the infusion syringes of band wing plate " mentioned again, comprises syringe needle, the sleeve of rear end of supporting needle, the holding cylinder of collecting sleeve pipe.Sleeve can slide into the second position of its rear end along the inwall of holding cylinder from the primary importance of holding cylinder front end; sleeve and holding cylinder are provided with the structure that can be combined with each other; when the primary importance of sleeve in holding cylinder, it has been prevented from sliding to the second position; when the second position of sleeve in holding cylinder, it has been prevented from sliding to primary importance, thus Tip protection ground is accommodated.
Although sharp needle tubing can be protected collecting by above-mentioned two kinds of inventions effectively, avoid to bring to clinical staff and the clinical waste personnel that reclaim and stab and the danger that catches by mistake, have the weak point of oneself.The former invention, its structure is more complicated, industrial cost is higher, rigid length simultaneously after its assembling is longer than the rigid length of common non-remaining needle, during Clinical practice, medical worker holds pin not smoothly, puncture is not easily success often, and fixing needle handle is also more difficult, also has the possibility utilized by illegal businessman's secondary; The invention of the latter; its protector and syringe needle are one, and the rigid length after its assembling is more a lot of than the length of general transfusion needle, requires that patient keeps stiff position for a long time during Clinical practice; otherwise syringe needle can puncture blood vessel again, bring serious consequence to patient.
Summary of the invention
The object of the invention is: a kind of single use safety transfusion remaining needle is provided, while inheriting tradition remaining needle advantage, it can easily and effectively by puncture needle tubing collecting shielding, shorten the rigid length after its assembling definitely to improve security reliability during use, greatly stop by the phenomenon again utilized simultaneously.
Technical scheme provided by the present invention is: single use safety transfusion remaining needle, comprise indwelling flexible pipe, puncture needle tubing, needle tubing drawing part, connecting hose, needle tubing pillar and infusion tube, sequentially connect as one between the connection that described connecting hose is arranged on indwelling flexible pipe and needle tubing pillar, described needle tubing drawing part connects as one with puncture needle tubing and is together built in the sequentially connector of indwelling flexible pipe, connecting hose and needle tubing pillar.The front end of wherein said connecting hose is at least provided with a needle handle, so that medical worker holds pin puncture; The tail end of described needle tubing pillar at least arranges one and forms opening by elastomeric material around, and after making itself and the mutual close-fitting fit of needle tubing drawing part, the retraction of elastomeric material plays the effect of airtight medicinal liquid, and medicinal liquid can not be spilt through the opening of needle tubing pillar rear end; Described needle tubing drawing part is the strip thing that can bend, and can bend when needle tubing drawing part is built in connecting hose with connecting hose; The stereoplasm tube that described needle tubing pillar is made up of hard material, and its total length is greater than the total length of puncture needle tubing, and puncture needle tube shield is protected by needle tubing pillar safely and effectively; Described needle tubing drawing part is piercing in the tail end of needle tubing pillar, will to be punctured collecting shielding in needle tubing tractive to needle tubing pillar by tractive needle tubing drawing part.
Main beneficial effect of the present invention is: collecting shielding puncture needle tubing is convenient, safety, and the rigid length after its assembling is the same short with common non-remaining needle, and single use, its structure is simple, easy and simple to handle simultaneously, cost of manufacture is cheap.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment 1 of single use safety of the present invention transfusion remaining needle;
Fig. 2 is the puncture needle tubing of embodiment 1 and the structural representation of needle tubing drawing part of single use safety of the present invention transfusion remaining needle;
Fig. 3 is the structural representation of the connecting hose of the embodiment 1 of single use safety of the present invention transfusion remaining needle;
Fig. 4 is the cross-section tangent plane schematic diagram of the needle tubing pillar rear end of the embodiment 1 of single use safety of the present invention transfusion remaining needle;
Fig. 5 is being pulled in needle tubing pillar by puncture needle tubing by needle tubing drawing part of the embodiment 1 of single use safety of the present invention transfusion remaining needle, makes puncture needle be in control the structural representation of shielding protection;
Fig. 6 is the structural representation of the embodiment 2 of single use safety of the present invention transfusion remaining needle.
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with accompanying drawing, the present invention is described.
Embodiment 1
As shown in Figures 1 to 4, the invention provides a kind of single use safety transfusion remaining needle, mainly comprise puncture needle tubing 1, needle tubing drawing part 2, indwelling flexible pipe 3, connecting hose 4, needle tubing pillar 5 and infusion tube 6.Wherein said connecting hose 4 and indwelling flexible pipe 3 are soft and have certain elastic material and form by matter, and make it have reliable flexural property, connecting hose 4 is set to pipe front end 41 and pipe rear portion 42, and pipe front end is at least provided with a needle handle 43; Front end 41 and the Colaesce of indwelling flexible pipe 3 phase of described connecting hose, the rear portion 42 of connecting hose is connected with the front end of needle tubing pillar 5; The tail end of described puncture needle tubing 1 is provided with needle stand 11, and the rear end of needle stand is provided with opening, and puncture needle tubing 1 is built in indwelling flexible pipe 3, the needle stand 11 of its tail end and the front end 41 phase fit of connecting hose; The tail end of described needle tubing pillar is provided with opening 51 opening 52, and wherein at least the surrounding of opening 51 is made up of elastomeric material; Described needle tubing drawing part 2 is set to the strip thing that can bend, and be built in connecting hose 4 and needle tubing pillar 5, its one end is connected with the needle stand 11 of puncture needle tubing 1 tail end, and the other end is successively through after connecting hose 4 and needle tubing pillar 5, and the opening 51 in needle tubing pillar rear end passes.Infusion tube 6 is closely coupled to another opening 52 of needle tubing pillar rear end, and medicinal liquid inputs in needle tubing pillar 5 through infusion tube 6, then is infused in patient body through connecting hose 4 and indwelling flexible pipe 3 or the needle tubing 1 that punctures.The external diameter of described puncture needle tubing 1 and mutual close-fitting fit consistent with the internal diameter of indwelling flexible pipe 3; The internal diameter of the front end 41 of connecting hose is consistent with the external diameter of the needle stand 11 of puncture needle tubing 1 rear end or be slightly less than the external diameter of needle stand 11 of needle tubing 1 rear end of puncturing, have certain frictional resistance after making it mutual close-fitting fit, can not because of during the puncture of puncture needle tubing because of be subject to skin and blood vessel resistance and from front end 41 slippage of connecting hose; The external diameter of needle tubing drawing part 2 is greater than the bore of needle tubing pillar open rearward end 51, and after making it mutual close-fitting fit, the retraction of elastomeric material plays the effect of airtight medicinal liquid, and medicinal liquid can not be spilt through the opening 51 of needle tubing pillar rear end.As shown in Figure 5, the length of needle tubing pillar 5 is greater than the total length of puncture needle tubing 1, and the stereoplasm tube that needle tubing pillar 5 be hard material that puncture needle tubing can not thrust to be formed, and makes needle tubing pillar 5 can safely and effectively by needle tubing 1 shielding protection that punctures.
When using of the present invention, medical worker introduces liquid and after sequencing air, hands pinches needle handle 43 from infusion tube 6, simultaneously bending connecting hose 4 with prevent from again puncturing needle tubing 1 because of be subject to skin and blood vessel resistance and from front end 41 slippage of connecting hose.Puncture successfully, namely blood flow into puncture needle tubing 1, flows into connecting hose 4 from the opening part of the needle stand 11 of puncture needle tubing 1 tail end.Now medical worker pinches and fixes needle handle 43 on the other hand, another hands pinches the tail end of needle tubing drawing part 2 toward post-tensioning, until puncture needle tubing 1 enters into needle tubing pillar 5 completely, now only have indwelling flexible pipe to stay in the blood vessel, and the needle tubing that punctures is shielded in needle tubing pillar by safe containment.Finally with the good remaining needle of immobilization with adhesive tape.The needle tubing drawing part 2 exposed can indwelling, also can cut off with shears.
Embodiment 2
The principle of the present embodiment is substantially identical with above-described embodiment with structure, and difference is only that needle tubing drawing part in the present embodiment and infusion tube are one-body molded settings, and its identical structure part no longer describes in detail.As shown in Figure 6, described needle tubing drawing part 2 is set to one-body molded with infusion tube 6, and namely infusion tube 6 is also needle tubing drawing part 2 simultaneously.Omit arranging again of needle tubing drawing part 2 from production angle, decrease the opening of needle tubing pillar 5 tail end, while reducing cost, decrease manufacturing process.But utilize the present embodiment can reach single use equally and the object of safe infusion.When using the present embodiment 2, only just need can accommodate shielding by puncture needle tubing 1 tractive to needle tubing pillar 5 at the tractive infusion tube 6 successfully that punctures.
In sum, owing to only having indwelling flexible pipe in the blood vessel when using of the present invention, with blood vessel synchronous zigzag, thus again can not puncture blood vessel wall because patient limb moves and cause corresponding untoward reaction, it inherits the advantage of traditional remaining needle; Again owing to being provided with needle tubing drawing part and needle tubing pillar, can by tractive needle tubing drawing part, puncture needle tubing be pulled to needle tubing pillar and accommodate shielding, thus avoid clinical staff and clinical waste and reclaim that personnel infect because stabbing by mistake, pathophorous phenomenon occurs; Again owing to being provided with connecting hose between indwelling flexible pipe and the connection of needle tubing pillar, connecting hose and needle tubing drawing part can both bend, rigid length after making it assemble is the same with common transfusion needle shorter, do not require the position that patient keeps stiff for a long time during Clinical practice, serious consequence can not be brought because the movement of patient posture again punctures blood vessel to patient; After last the present invention uses, due to the flexural property that needle tubing drawing part has, again puncture needle tubing can not be pushed in indwelling flexible pipe in nonproductive assembling situation and again carry out puncture transfusion, thus fundamentally stop the phenomenon of secondary utilization.
The foregoing is only specific embodiments of the invention, practical range of the present invention can not be limited with this, namely every substantially according to the amendment that claims of the present invention make, all belong to protection scope of the present invention.
Claims (5)
1. single use safety transfusion remaining needle, comprise indwelling flexible pipe, puncture needle tubing, needle tubing pillar, needle tubing drawing part, infusion tube and connecting hose, it is characterized in that described connecting hose is arranged between indwelling flexible pipe and needle tubing pillar also sequentially to connect as one, described needle tubing drawing part connects as one with puncture needle tubing and is together built in the sequentially connector of indwelling flexible pipe, connecting hose and needle tubing pillar, and described infusion tube is directly connected with the tail end of needle tubing pillar.
2. single use safety transfusion remaining needle, comprise indwelling flexible pipe, puncture needle tubing, needle tubing pillar, needle tubing drawing part, infusion tube and connecting hose, it is characterized in that described connecting hose is arranged between indwelling flexible pipe and needle tubing pillar also sequentially to connect as one, described needle tubing drawing part connects as one and is together built in the sequentially connector of indwelling flexible pipe, connecting hose and needle tubing pillar with puncture needle tubing, described needle tubing drawing part and the one-body molded setting of infusion tube.
3. single use safety according to claim 1 transfusion remaining needle, is characterized in that described needle tubing drawing part is the strip thing that can bend and is piercing in the tail end of needle tubing pillar.
4. single use safety transfusion remaining needle according to claim 1, is characterized in that the tail end of described needle tubing pillar at least arranges an opening be made up of elastomeric material around.
5. single use safety transfusion remaining needle according to claim 2, is characterized in that the tail end of described needle tubing pillar arranges an opening be made up of elastomeric material around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210472875.2A CN103830802B (en) | 2012-11-21 | 2012-11-21 | Single use safety transfusion remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210472875.2A CN103830802B (en) | 2012-11-21 | 2012-11-21 | Single use safety transfusion remaining needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103830802A CN103830802A (en) | 2014-06-04 |
| CN103830802B true CN103830802B (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210472875.2A Expired - Fee Related CN103830802B (en) | 2012-11-21 | 2012-11-21 | Single use safety transfusion remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103830802B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926752B (en) * | 2018-06-29 | 2024-06-07 | 广东先来医疗科技有限公司 | Hose safety transfusion needle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240148A (en) * | 1998-06-23 | 2000-01-05 | 刘文能 | Multi-purpose safety automatic transfusion vein indwelling needle |
| EP1142603A1 (en) * | 2000-04-04 | 2001-10-10 | Nipro Corporation | Indwelling needle assembly |
| CN102099075A (en) * | 2008-05-22 | 2011-06-15 | 泰尔茂株式会社 | Catheter retaining tool |
| CN202892544U (en) * | 2012-11-21 | 2013-04-24 | 黄水莲 | Disposable safe type transfusion indwelling needle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5007793B2 (en) * | 2006-09-21 | 2012-08-22 | ニプロ株式会社 | Indwelling needle |
-
2012
- 2012-11-21 CN CN201210472875.2A patent/CN103830802B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240148A (en) * | 1998-06-23 | 2000-01-05 | 刘文能 | Multi-purpose safety automatic transfusion vein indwelling needle |
| EP1142603A1 (en) * | 2000-04-04 | 2001-10-10 | Nipro Corporation | Indwelling needle assembly |
| CN102099075A (en) * | 2008-05-22 | 2011-06-15 | 泰尔茂株式会社 | Catheter retaining tool |
| CN202892544U (en) * | 2012-11-21 | 2013-04-24 | 黄水莲 | Disposable safe type transfusion indwelling needle |
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| Publication number | Publication date |
|---|---|
| CN103830802A (en) | 2014-06-04 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160127 Termination date: 20201121 |