CN104399143A - Remaining needle with slow release positive pressure - Google Patents
Remaining needle with slow release positive pressure Download PDFInfo
- Publication number
- CN104399143A CN104399143A CN201410754014.2A CN201410754014A CN104399143A CN 104399143 A CN104399143 A CN 104399143A CN 201410754014 A CN201410754014 A CN 201410754014A CN 104399143 A CN104399143 A CN 104399143A
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- China
- Prior art keywords
- slow release
- positive pressure
- remaining needle
- conduit
- threeway
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
- A61M2005/1404—Keep vein-open rate [KVO], i.e. low flow rate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a remaining needle with slow release positive pressure. The remaining needle comprises a remaining needle body, a flow dividing slow release device, a tee joint base, a positive pressure connector and a liquid storage device. The remaining needle body comprises a catheter assembly, a needle assembly and a needle protection sleeve. The flow dividing slow release device comprises a front catheter, a front tee joint, a slow release catheter, a middle catheter, a clip, a rear tee joint and a rear catheter, wherein other accessories are connected with one another. The remaining needle is characterized in that the flow dividing slow release device is provided with double catheters, the slow release catheter is made of two materials with different shrinkage rates through co-extrusion, one material wraps the other material, a solid core serves as a middle layer, the gap between the two materials serves as a liquid medicine passageway, the other catheter is the middle catheter with the universal aperture, after the catheters are clamped and closed through the clip, the positive pressure connector and the liquid storage device release hydraulic pressure, liquid medicine flows out of micro holes of the slow release catheter and permeates a blood vessel so that thrombosis can be prevented from being formed, and when infusion is conducted in the second day, a user only needs to connect the connection portion after conducting disinfection, the clip on the middle catheter is opened, and normal infusion can be conducted again.
Description
Technical field
The present invention relates to single use medical apparatus and instruments, especially relate to a kind of remaining needle of slow release positive pressure devices.
Background technology
The single use venous detaining needle of clinical unit of domestic each medical institutions Clinical practice, after transfusion terminates, even need carry out tube sealing operation, in order to avoid cause plugging phenomenon because managing interior formation blood coagulation, but in actual application, often because of patient moving and blood infiltration and cause blood to enter to put in pipe, as failed washing pipe before carrying out the transfusion of second day, or established sludged blood is poured Ink vessel transfusing, very easily cause the vascularization thromboembolism that blood blocks in cyclic process, bring to patient and injure even life-threatening greatly, though have to prevent blood coagulation from injecting the anticoagulant medicines such as heparin sodium to patient, can have anticoagulant drug allergy patients such as heparin sodiums, also useful normal saline carries out tube sealing, but its tube sealing limited time, repeatedly need carry out tube sealing, in addition, nurse operation is improper also very easily causes plugging phenomenon, just like positive pressure connector device on existing market, also have in pipe and place fine fibre drain etc. technology, it also can only be had malleation at that time, or obtain tension because of clip, pressure is too small, medicinal liquid release is not come, after not having a few minutes, medicinal liquid has not just flow out, still easily plugging is formed, how solving intravascular coagulation prevents clot generation from being the current difficult problem facing solution.
Summary of the invention
The object of the present invention is to provide a kind of remaining needle with slow release positive pressure devices, the medicinal liquid of certain volume, lasting pressure source can be provided, slow release medicinal liquid that simultaneously also again can be stable, prevent from forming sludged blood in indwelling tube, plugging phenomenon is avoided to occur, extend service life of remaining needle, thus the clot because being formed also can be avoided to pour in the blood circulation of patient cause secondary injury.
For achieving the above object, the present invention adopts following technical scheme: the present invention includes remaining needle, shunting delayed release device, threeway seat, positive pressure connector and liquid reservoir, remaining needle comprises conduit tube component, needle assembly and needle shield, shunting delayed release device comprises dummy pipe, front threeway, slow release conduit, middle conduit, clip, rear threeway, rear tube, dummy pipe rear end is connected with the single hole of front threeway, slow release conduit, the two ends of middle conduit are respectively with front, the diplopore end of rear threeway connects, clip is placed on middle conduit, rear tube is anterior is connected to form shunting delayed release device with the single hole end of rear threeway, needle shield is placed on catheter block front end, the conduit front portion of shunting delayed release device is connected with the thick catheter end of conduit tube component, the rear tube rear portion of shunting delayed release device is connected with the front portion of threeway seat, positive pressure connector and liquid reservoir are rotatably connected in two ends at threeway seat rear portion respectively, it is characterized in that: shunting delayed release device is with DLC, slow release conduit is wherein that the material that two kinds of shrinkage factors are different forms through coextrusion, one material wraps up another material, intermediate layer is real core, the gap of two storerooms is as medicine liquid channel, after central conduit is closed by clip, its positive pressure connector and the hydraulic pressure mineralization pressure of liquid reservoir after release, medicinal liquid slowly oozes out between two storeroom gaps of slow release conduit.
The liquid reservoir of the remaining needle of described band slow release positive pressure devices is the syringe of its rear portion inner chamber with spring, and syringe is compressed in aspiration medicinal liquid rear spring, releasing syringe core bar, and spring and release pressure make remaining needle form positive pressure devices.
The slow release conduit of the remaining needle of described band slow release positive pressure devices also can be make centre by a kind of material to have one or more micropores as medicine liquid channel, and micropore size, also can by its different pore size conduit sections through being formed by connecting between 0.001mm ~ 0.1mm.
The positive pressure connector that threeway seat rear portion two interface of the remaining needle of described band slow release positive pressure devices spins and liquid reservoir, it can exchange location means, and positive pressure connector also can substitute with calparine cap.
Syringe jacket and the threeway seat rear interface of the remaining needle of described band slow release positive pressure devices spin, and also can be set to and be integrated.
Spring in the syringe of the remaining needle of described band slow release positive pressure devices, may also be elasticity reservoir or reservoir bag or elastomer and replaces.
But the clip one-hand clip of described band slow release positive pressure devices remaining needle also can be sheet folder.
Before, during and after the remaining needle of described band slow release positive pressure devices, the appearance of conduit, slow release conduit can increase one deck lucifuge layer, the syringe jacket of front threeway, rear threeway, catheter block, threeway seat, liquid reservoir, positive pressure connector or calparine cap adopt can be made the material of lucifuge, or also adopts and increase one deck lucifuge layer outside.
Band slow release positive pressure devices remaining needle of the present invention, using with the remaining needle on existing market distinguishes not quite, function is but completely different, operate as follows: the transfusion needle of being joined by transfusion device inserts on the piercing devices of the calparine cap of band slow release positive pressure devices remaining needle after taking out its sheath, transfusion device device needle for inserting bottle is inserted on medicine bottle mouth, after making transfusion device and band slow release positive pressure devices remaining needle of the present invention be full of medicinal liquid, take out remaining needle sheath, close transfusion device actuator, wound surface sterilization is carried out by retained needle puncture art operating process, pumpback needle assembly (12) after blood back is shown in venipuncture, inserting needle, extract needle assembly (12), fixing wait operate after infuse, on arbitrary time point in infusion process, slowly pull core bar aspiration medicinal liquid is in syringe jacket, to core bar draw-in groove position, after rotation core bar one angle makes four of core bar muscle depart from the protecting cover line of rabbet joint, spring is compressed, core bar is stuck on protecting cover, at the end of transfusion closes on, close sealing clip, transfusion device end fitting is separated with positive pressure connector, one malleation is formed in positive pressure connector, afterwards four of core bar muscle are returned in the protecting cover line of rabbet joint, namely being released of Compress Spring, medicinal liquid in syringe urceolus is extruded, form another burst of malleation, so just make the present invention have two bursts of malleations simultaneously and extrude medicinal liquid simultaneously, the medicinal liquid be extruded in pipe of the present invention flow to inlying catheter along the micropore of slow release conduit, also be formed while flowing to inlying catheter and be greater than human vein pressure and infiltrate vein, make the present invention remain medicinal liquid always and infiltrate venous patient blood vessel, because the medicine liquid volume of positive pressure connector release is limited, the limited time of release, after increasing the medicinal liquid of liquid reservoir release, just can greatly extend release time of the present invention, thus can more effectively condense at inlying catheter by anti-Hemostatic Oral Liquid, and then plugging can be avoided to prevent thrombosis, prevent secondary injury, nurse can also be exempted like this every the tube sealing of 6-8 hour/time, washing pipe, alleviate its workload.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 and Fig. 3 is respectively the structural representation of liquid reservoir of the present invention and the structural representation of the protecting cover line of rabbet joint;
Reference numeral:
1-conduit tube component, 2-dummy pipe, threeway before 3-, conduit in 4-, 5-slow release conduit, 6-clip, threeway after 7-, 8-rear tube, 9-threeway seat, 10-liquid reservoir, 11-positive pressure connector, 12-needle assembly, 13-needle shield, 101-syringe jacket, 102-piston, 103-core bar, 103a-position-arresting groove, 104-spring, 105-protecting cover, the 105a-protecting cover line of rabbet joint.
Detailed description of the invention
Contrast accompanying drawing below in conjunction with embodiment the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3,
The present embodiment 1 is by remaining needle, shunting delayed release device, threeway seat (9), positive pressure connector (11) and liquid reservoir (10) composition, remaining needle comprises conduit tube component (1), needle assembly (12) and needle shield (13), shunting delayed release device comprises dummy pipe (2), front threeway (3), slow release conduit (5), middle conduit (4), clip (6), rear threeway (7), rear tube (8), dummy pipe (2) rear end is connected with the single hole of front threeway (3), slow release conduit (5), the two ends of middle conduit (4) respectively with front threeway (2), the diplopore end of rear threeway (7) connects, clip (6) is placed on middle conduit (4), rear tube (8) is anterior is connected to form shunting delayed release device with the single hole end of rear threeway (7), needle shield (13) is placed on catheter block front end, dummy pipe (2) front portion of shunting delayed release device is connected with the thick catheter end of conduit tube component (1), rear tube (8) rear portion of shunting delayed release device is connected with the front portion of threeway seat (9), positive pressure connector (11) and liquid reservoir (10) are rotatably connected in two ends at threeway seat (9) rear portion respectively, it is characterized in that: shunting delayed release device is with DLC, slow release conduit (5) is wherein that the material that two kinds of shrinkage factors are different forms through coextrusion, one material wraps up another material, intermediate layer is real core, the gap of two storerooms is as medicine liquid channel, after central conduit (4) is closed by clip (6) folder, its positive pressure connector (11) and the hydraulic pressure mineralization pressure of liquid reservoir (10) after release, medicinal liquid slowly oozes out between two storeroom gaps of slow release conduit (5).
The liquid reservoir (10) of the remaining needle of described band slow release positive pressure devices is for its rear portion inner chamber is with the syringe of spring (104), syringe is compressed in aspiration medicinal liquid rear spring (104), releasing syringe core bar (103), spring (104) i.e. release pressure makes remaining needle form positive pressure devices.
The slow release conduit (5) of the remaining needle of described band slow release positive pressure devices, also can be make centre by a kind of material to have one or more micropores as medicine liquid channel, micropore size, also can by its different pore size conduit sections through being formed by connecting between 0.001mm ~ 0.1mm.
The positive pressure connector (11) that threeway seat (9) rear portion two interface of the remaining needle of described band slow release positive pressure devices spins and liquid reservoir (10), it can exchange location means, and positive pressure connector (11) available calparine cap substitutes.
Syringe jacket (101) and threeway seat (9) rear interface of the remaining needle of described band slow release positive pressure devices spin, and also can be set to and be integrated.
Spring (104) in the syringe of the remaining needle of described band slow release positive pressure devices, may also be elasticity reservoir or reservoir bag or elastomer and replaces.
The clip (6) of the remaining needle of described band slow release positive pressure devices but one-hand clip, also can be sheet folder.
The appearance of the dummy pipe (2) of the remaining needle of described band slow release positive pressure devices, middle conduit (4), rear tube (8), slow release conduit (5) can increase one deck lucifuge layer, the syringe jacket (101) of front threeway (3), rear threeway (7), catheter block, threeway seat (9), liquid reservoir (10), positive pressure connector (11), calparine cap adopt the material of energy lucifuge to make, or also increase one deck lucifuge layer outside, make the remaining needle of the band slow release positive pressure devices of light-resistant, support the use with light proofing infusion apparatus.
The band slow release positive pressure devices remaining needle of the present embodiment 1, using with common remaining needle changes not quite, its operation is first spun by the positive pressure connector (11) on transfusion device end fitting and embodiment 1, and transfusion device device needle for inserting bottle is inserted on medicine bottle mouth, after making transfusion device and band slow release positive pressure devices remaining needle of the present invention be full of medicinal liquid, close transfusion device actuator, take out remaining needle needle shield (13), wound surface sterilization is carried out by retained needle puncture art operating process, pumpback needle assembly (12) after blood back is shown in venipuncture, inserting needle, extract needle assembly (12), fixing wait operate after infuse, on arbitrary time point in infusion process, slowly pull core bar (103) aspiration medicinal liquid is in syringe jacket (101), to core bar (103) screens groove (103a) position, after rotation core bar (103) angle makes four muscle of core bar (103) depart from the protecting cover line of rabbet joint (105a), spring (104) is compressed, core bar (103) is stuck on protecting cover (105), at the end of transfusion closes on, close sealing clip (6), transfusion device end fitting is separated with positive pressure connector (11), one malleation is formed in positive pressure connector (11), afterwards four muscle of core bar (103) are returned in the protecting cover line of rabbet joint (105a), namely the spring (104) of compression is released, medicinal liquid in syringe urceolus (101) is extruded, form another burst of malleation, so just make the present invention have two bursts of malleations simultaneously and extrude medicinal liquid simultaneously, the medicinal liquid be extruded in pipe of the present invention flow to inlying catheter along the micropore of slow release conduit (5), flow to inlying catheter, also can be formed simultaneously and be greater than human vein pressure and infiltrate vein, the medicine liquid volume of normally used positive pressure connector release is limited, the limited time delayed, after increasing the medicinal liquid of liquid reservoir release, just can greatly extend release time of the present invention, thus can solidify at inlying catheter by anti-Hemostatic Oral Liquid, and then the generation of the anti-tampon of plugging can be avoided.
Embodiment 2
Embodiment 2 difference from Example 1 is that calparine cap replaces positive pressure connector (11), its rule of operation is on the piercing devices of the calparine cap inserting band slow release positive pressure devices remaining needle after the transfusion needle of being joined by transfusion device takes out its sheath, transfusion device device needle for inserting bottle is inserted on medicine bottle mouth, after making transfusion device and band slow release positive pressure devices remaining needle of the present invention be full of medicinal liquid, take out remaining needle sheath, close transfusion device actuator, wound surface sterilization is carried out by retained needle puncture art operating process, pumpback needle assembly (12) after blood back is shown in venipuncture, inserting needle, extract needle assembly (12), fixing wait operate after infuse, on arbitrary time point in infusion process, slowly pull core bar (103) aspiration medicinal liquid is in syringe jacket (101), to core bar (103) screens groove (103a) position, after rotation core bar (103) angle makes four muscle of core bar (103) depart from the protecting cover line of rabbet joint (105a), spring (104) is compressed, core bar (103) is stuck on protecting cover (105), at the end of transfusion closes on, close sealing clip (6), close actuator, fast the piercing devices of transfusion needle from calparine cap is pulled out, one malleation can be formed in band slow release positive pressure devices remaining needle, afterwards four muscle of core bar (103) are returned in the protecting cover line of rabbet joint (105a), namely the spring (104) of compression is released, medicinal liquid in syringe urceolus (101) is extruded, form another burst of malleation, its situation is also just the same manner as in Example 1, band slow release positive pressure devices remaining needle has two bursts of malleations simultaneously and extrudes medicinal liquid simultaneously, the medicinal liquid be extruded in pipe of the present invention flow to inlying catheter along the micropore of slow release conduit (5), also be formed while flowing to inlying catheter and be greater than human vein pressure and infiltrate vein, venous patient blood vessel is infiltrated because the present invention has remain medicinal liquid always, thus can solidify at inlying catheter by anti-Hemostatic Oral Liquid, and then the generation of the anti-tampon of plugging can be avoided.
The above embodiment 1 and embodiment 2 are only preferred embodiments of the present invention.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, its each accessory also can make the increase and decrease of some modification, improvement and accessory, and this also should be considered as belonging to protection scope of the present invention.
Claims (8)
1. the remaining needle with slow release positive pressure devices, it comprises remaining needle, shunting delayed release device, threeway seat, positive pressure connector and liquid reservoir, remaining needle comprises conduit tube component, needle assembly and needle shield, shunting delayed release device comprises dummy pipe, front threeway, slow release conduit, middle conduit, clip, rear threeway, rear tube, dummy pipe rear end is connected with the single hole of front threeway, slow release conduit, the two ends of middle conduit are respectively with front, the diplopore end of rear threeway connects, clip is placed on middle conduit, rear tube is anterior is connected to form shunting delayed release device with the single hole end of rear threeway, needle shield is placed on catheter block front end, the conduit front portion of shunting delayed release device is connected with the thick catheter end of conduit tube component, the rear tube rear portion of shunting delayed release device is connected with the front portion of threeway seat, positive pressure connector and liquid reservoir are rotatably connected in two ends at threeway seat rear portion respectively, it is characterized in that: shunting delayed release device is with DLC, slow release conduit is wherein that the material that two kinds of shrinkage factors are different forms through coextrusion, one material wraps up another material, intermediate layer is real core, the gap of two storerooms is as medicine liquid channel, after central conduit is closed by clip, its positive pressure connector and the hydraulic pressure mineralization pressure of liquid reservoir after release, medicinal liquid slowly oozes out between two storeroom gaps of slow release conduit.
2. the remaining needle of band slow release positive pressure devices as claimed in claim 1, it is characterized in that: the liquid reservoir of the remaining needle of described band slow release positive pressure devices is the syringe of its rear portion inner chamber with spring, syringe is compressed in aspiration medicinal liquid rear spring, releasing syringe core bar, spring and release pressure make remaining needle form positive pressure devices.
3. the remaining needle of band slow release positive pressure devices as claimed in claim 1, it is characterized in that: the slow release conduit of the remaining needle of described band slow release positive pressure devices, also can be make centre by a kind of material to have more than one or one micropore as medicine liquid channel, micropore size, also can by its different pore size conduit sections through being formed by connecting between 0.001mm ~ 0.1mm.
4. the remaining needle of band slow release positive pressure devices as claimed in claim 1, it is characterized in that: the positive pressure connector that threeway seat rear portion two interface of the remaining needle of described band slow release positive pressure devices spins and liquid reservoir, it can exchange location means, and positive pressure connector also can substitute with calparine cap.
5. the remaining needle of band slow release positive pressure devices as claimed in claim 1, is characterized in that: syringe jacket and the threeway seat rear interface of the remaining needle of described band slow release positive pressure devices spin, and also can be set to and be integrated.
6. the remaining needle of band slow release positive pressure devices as claimed in claim 2, is characterized in that: the spring in the syringe of the remaining needle of described band slow release positive pressure devices, may also be elasticity reservoir or reservoir bag or elastomer and replaces.
7. the band slow release positive pressure devices remaining needle as described in any one of claim 1-6, is characterized in that: but the clip one-hand clip of the remaining needle of described band slow release positive pressure devices, also can be sheet folder.
8. the remaining needle of the band slow release positive pressure devices as described in claim 1 or 4, it is characterized in that: before, during and after the remaining needle of described band slow release positive pressure devices, the appearance of conduit, slow release conduit can increase one deck lucifuge layer, the syringe jacket of front threeway, rear threeway, catheter block, threeway seat, liquid reservoir, positive pressure connector or calparine cap adopt can be made the material of lucifuge, or also adopts and increase one deck lucifuge layer outside.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754014.2A CN104399143B (en) | 2014-12-01 | 2014-12-01 | Remaining needle with slow-release positive pressure device |
| CN202210316301.XA CN114699599B (en) | 2014-12-01 | 2014-12-01 | Indwelling needle with slow-release positive pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754014.2A CN104399143B (en) | 2014-12-01 | 2014-12-01 | Remaining needle with slow-release positive pressure device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210316301.XA Division CN114699599B (en) | 2014-12-01 | 2014-12-01 | Indwelling needle with slow-release positive pressure device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104399143A true CN104399143A (en) | 2015-03-11 |
| CN104399143B CN104399143B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410754014.2A Active CN104399143B (en) | 2014-12-01 | 2014-12-01 | Remaining needle with slow-release positive pressure device |
| CN202210316301.XA Active CN114699599B (en) | 2014-12-01 | 2014-12-01 | Indwelling needle with slow-release positive pressure device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210316301.XA Active CN114699599B (en) | 2014-12-01 | 2014-12-01 | Indwelling needle with slow-release positive pressure device |
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| CN (2) | CN104399143B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104645448A (en) * | 2015-02-02 | 2015-05-27 | 湛江健力源医疗用品有限公司 | Anti-reflux remaining needle |
| CN104922758A (en) * | 2015-06-24 | 2015-09-23 | 陈伟权 | Remaining needle with elastic contact |
| CN105107055A (en) * | 2015-08-14 | 2015-12-02 | 汪贤宗 | Sustainable positive-pressure anticoagulation device of indwelling needle |
| CN105251079A (en) * | 2015-07-31 | 2016-01-20 | 河南曙光健士医疗器械集团股份有限公司 | Anti-thrombosis remaining needle device |
| WO2016086833A1 (en) * | 2014-12-01 | 2016-06-09 | 邹卫平 | Indwelling needle sustained release positive pressure apparatus |
| CN109276773A (en) * | 2018-09-19 | 2019-01-29 | 华蓥市明月镇小学 | A kind of novel remaining needle |
| CN110975061A (en) * | 2019-11-19 | 2020-04-10 | 王君霞 | Puncture-preventing remaining needle capable of continuously supplying liquid |
| CN111741786A (en) * | 2018-02-12 | 2020-10-02 | J-M·阿达 | Injection head for injecting a fluid substance and allowing monitoring of the injection site prior to injection of the fluid substance, and syringe comprising such an injection head |
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Also Published As
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| CN114699599B (en) | 2023-06-27 |
| CN114699599A (en) | 2022-07-05 |
| CN104399143B (en) | 2022-04-26 |
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