CN103330965B - A kind of single use periphery cannula infusion device - Google Patents
A kind of single use periphery cannula infusion device Download PDFInfo
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- CN103330965B CN103330965B CN201310215381.0A CN201310215381A CN103330965B CN 103330965 B CN103330965 B CN 103330965B CN 201310215381 A CN201310215381 A CN 201310215381A CN 103330965 B CN103330965 B CN 103330965B
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- catheter block
- conduit
- jointing
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- plug
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Abstract
The present invention relates to a kind of single use periphery cannula infusion device, transfusion device mainly comprises venipuncture needle assembly and the liquid medicine filter be connected successively by flexible pipe, flow regulator, droplet kettle, bottle plug puncture unit.Its innovative point is: also comprise conduit tube component, and this conduit tube component is directly or indirectly connected with liquid medicine filter.The conduit tube component increased, after venipuncture, extract draw point, by catheter retaining in body, and when patient is restless or changing position time, sleeve pipe not easily slippage and damage conduit, facilitate administration, provide to critical patient rescue and shock patient blood transfusion infusion and effectively treat passage, greatly facilitate hospitalized patients.Venipuncture needle is directly or indirectly connected with liquid medicine filter, for different situations, can select different connected modes, more flexibly and easily.
Description
Technical field
The present invention relates to a kind of transfusion device, particularly one disposable periphery cannula infusion device.
Background technology
Disposable transfusion device be a kind of be mainly used in venous transfusion through aseptic process, the common disposable medical consumptive material of setting up passage between vein and medicinal liquid.
Traditional venipuncture needle is steel, and its front end has sharp needle point, to reduce the pain of patient when puncturing.There is certain shortcoming when venous transfusion in it: when patient is restless or changing position time, draw point very easily causes damage to blood vessel, causes hemorrhage, and cannot infuse smoothly, and need again to puncture, medical personnel and patient all bring great inconvenience.
In addition, the connected mode between venipuncture needle and liquid medicine filter is single, can not select different connected modes for different situations, brings inconvenience to manufacture and use.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of applied widely and not easily cause damage to patient and venipuncture needle and liquid medicine filter have the single use periphery cannula infusion device of multiple connected mode.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of single use periphery cannula infusion device, comprise venipuncture needle assembly and by infusion tube connect successively liquid medicine filter, flow regulator, drip kettle and bottle plug puncture unit; This venipuncture needle assembly comprises the draw point seat of draw point and draw point end, draw point seat is provided with and holds needle handle, it is characterized in that: also comprise conduit tube component, this conduit tube component comprises catheter block, conduit and batching pig, catheter block has the cavity arranged vertically, the front end of catheter block is connected with the end of conduit by conduit fixed core, and makes the cavity connects of conduit and catheter block; Batching pig is filled in the rear port of catheter block; Be provided with feed liquor port at the middle part of catheter block and with infusion tube be connected; The tip of draw point is stretched out along the axis of catheter block from catheter block end through after the cavity of batching pig, catheter block and conduit.
In some embodiments, the feed liquor port of catheter block and the liquid outlet of liquid medicine filter connect as one structure by infusion tube.
In some embodiments, detachable indirect connection structure is adopted by jointing between the feed liquor port of catheter block and liquid medicine filter.
In some embodiments, jointing is two logical or three way cock, and one of them interface is for going out liquid interface, and all the other interfaces are feed liquor interface; The liquid interface that goes out of this jointing connects as one structure by the feed liquor port of infusion tube and this catheter block, any one or two kinds in the feed liquor interface mounting cover formula sealing cap of this jointing, plug sealing cap or calparine cap.
In some embodiments, the feed liquor interface and the liquid medicine filter liquid outlet that are provided with the jointing of lid formula sealing cap are connected, and realize conducting.
In some embodiments, be provided with between the feed liquor interface of the jointing of lid formula sealing cap and liquid medicine filter liquid outlet and adopt Rule inside and outside cone joint anatomical connectivity conducting.
In some embodiments, jointing feed liquor interface and lid formula sealing cap adopt the inside and outside cone joint sealing structure in Rule to be connected.
In some embodiments, the feed liquor interface of jointing be connected with plug sealing cap fitted seal, this plug sealing cap is made up of the locking cap of software sealing-plug and center drilling, and this software sealing-plug is placed in locking cap; This liquid medicine filter is connected with the scalp acupuncture that can enter through this software sealing-plug in jointing.
In some embodiments, jointing feed liquor interface is connected with calparine cap fitted seal; This liquid medicine filter is connected with the scalp acupuncture that can enter through this calparine cap in jointing.
In some embodiments, the feed liquor interface of jointing adopts the inside and outside cone joint sealing structure in Rule to be connected with calparine cap.
In some embodiments, the flat grip of one is provided with in the outside of jointing.
In some embodiments, conduit is provided with developing line.
In some embodiments, the front end of draw point seat is provided with cylindrical positioning convex, can embeds in the end port of catheter block ordinatedly.
In some embodiments, an air filter is connected in the side of bottle plug puncture unit by air inlet pipe.
In some embodiments, with the adjacent flexible pipe of the feed liquor port of catheter block on be provided with flow-stopping clip.
The invention has the advantages that: on the basis of traditional venoclysis needle, increase conduit tube component, after venipuncture, extract draw point, by catheter retaining in body, the infusion channel transfusion utilizing infusion connector, flexible pipe, catheter block, conduit to form; Conduit is soft, and have developing line, can clearly see under X-ray, be easy to operation and fix, and when patient is restless or changing position time, sleeve pipe not easily slippage and damage conduit, facilitate administration, provide to critical patient rescue and shock patient blood transfusion infusion and effectively treat passage, greatly facilitate hospitalized patients.Venipuncture needle is directly or indirectly connected with liquid medicine filter, and for different situations, can select different connected modes, and can select the jointing of cover-type sealing cap, plug sealing cap or calparine cap, all more flexible for manufacturing, using.
Accompanying drawing explanation
Fig. 1 is the population structure schematic diagram of first embodiment of the invention.
Fig. 2 is the enlarged drawing of A place in Fig. 1 (total assembling structure of venipuncture needle assembly and conduit tube component).
Fig. 3 is conduit tube component structural representation in Fig. 1.
Fig. 4 is the structural representation of Fig. 1 medium-sized vein puncture needle component.
Fig. 5 is the population structure schematic diagram that the present invention second executes example.
Fig. 6 is the structural representation of (two lead to) jointing in Fig. 5.
Fig. 7 is the jointing structural representation that lid formula sealing cap is equipped with in the present invention.
Fig. 8 is the jointing structural representation that plug sealing cap is equipped with in the present invention.
Fig. 9 is the jointing structural representation that calparine cap is equipped with in the present invention.
Figure 10 is the jointing structural representation of another kind of the present invention (threeway) structure.
Detailed description of the invention
As Figure 1-Figure 4, first embodiment of a kind of single use periphery of the present invention cannula infusion device, comprise venipuncture needle assembly 1, conduit tube component 2, liquid medicine filter 3, flow regulator 4, a kettle 5 and bottle plug puncture unit 6 and air inlet pipe air filter 7, on the feed liquor port 23 of the catheter block 22 of conduit tube component 2 by infusion tube 9 connect successively liquid medicine filter 3, flow regulator 4, drip kettle 5 and bottle plug puncture unit 6, in the side of this bottle plug puncture unit 6 by air inlet pipe connection air filter 7.Flexible pipe 9 between conduit tube component 2 and liquid medicine filter 3 is provided with flow-stopping clip 10.
See Fig. 2 and Fig. 3, described conduit tube component 2 comprises catheter block 22, conduit 21, batching pig 24, conduit fixed core 25, stub interface is provided with as feed liquor port 23 in the side of catheter block 22, form the transparent three-port structure of y shape, there is the cavity arranged vertically in catheter block 22, the front end of catheter block 22 is by conical catheter fixed core 25 connecting duct 2, and conduit 2 is communicated with the cavity front end (lower end namely in Fig. 3) of catheter block 22, and conduit 21 is provided with developing line.Fill in batching pig 24 in the rear port of catheter block 22, and batching pig 24 flows out a bit of distance (forming a groove at the end of catheter block 22) apart from the end of catheter block 22.Feed liquor port 23 is provided with at the middle part of catheter block 22.
See Fig. 2 and Fig. 4, described venipuncture needle assembly 1 comprises the draw point seat 12 of draw point 11 and draw point end, draw point seat 12 is provided with and holds needle handle 13.The front end (in Fig. 4 lower end) of draw point seat 12 is provided with cylindrical positioning convex 14, for embedding ordinatedly in end (upper end namely in Fig. 3) mouth of catheter block 11.
During use, the tip of described draw point 11 is stretched out (see Fig. 2) from lower end along the axis of catheter block 22 from catheter block end through after the cavity of batching pig 24, catheter block 22 and conduit 21.Venipuncture needle assembly 1 and conduit tube component 2 form bushing type venipuncture needle, and its operation principle is:
Before puncture, the cylindrical positioning convex 14 of draw point seat 12 embeds in the end port of catheter block 22, and the tip of the draw point 11 on draw point seat 12 can axially stretching out from the end of catheter block through after the cavity in batching pig 24, catheter block 22 and conduit 21 along catheter block 22.
After puncture, conduit 21 and draw point 11 together enter vein, and after extracting draw point 11, intravenous stayed by conduit 21, and medicinal liquid enters vein by the infusion channel be made up of flexible pipe 9, catheter block 22, conduit 21.
In above embodiment, the feed liquor port 23 of catheter block 22 is directly connected as one by the port of export of flexible pipe 9 with liquid medicine filter 3.
See Fig. 5, the feed liquor port 23 of catheter block 22 also can be connected with liquid medicine filter 3 indirectly, and namely the feed liquor port 23 of catheter block 22 is connected by jointing 8 indirectly with between liquid medicine filter 3, and syndeton is detachable.
See Fig. 6, described jointing 8 is two pass joints, and wherein the interface of lower end is for going out liquid interface 82, and the interface of upper end is feed liquor interface 81, is provided with the flat grip 83 of global formation at middle part.The liquid interface 82 that goes out of jointing 8 is directly connected with the feed liquor port 23 of catheter block 22 by flexible pipe 9, the feed liquor interface 82 of jointing 8 be equipped with in lid formula sealing cap 84, plug sealing cap 85 or calparine cap 86 any one.The effect of its middle cover formula sealing cap 84 is exactly lived by the feed liquor sealing joint of jointing 8 after pulling out liquid medicine filter 3.
The feed liquor interface 81 of the jointing 8 shown in Fig. 6 and Fig. 7, (after unloading drop cover sealing cap 84) can be connected with liquid medicine filter 3 liquid outlet, realizes the sealing of the feed liquor interface 81 of joint 8 after the formula that closes the lid sealing cap 84.
The feed liquor interface 81 of the jointing 8 of the present embodiment can adopt Luer inner conical connector structure, and liquid medicine filter 3 liquid outlet adopts Rule outer cone joint design coordinated with feed liquor interface 81 to be interconnected and conducting.Lid formula sealing cap 84 is connected with also adopting Rule outer cone joint design between jointing 8.
As shown in Figure 8, the feed liquor interface 81 of the jointing 8 of plug sealing cap 85 is with can also to be connected and sealed with plug sealing cap 85.Plug sealing cap 85 comprises the locking cap 852 of software sealing-plug 851 and center drilling, feed liquor interface 81 inner chamber of jointing 8 does stepped (expanding), software sealing-plug 851 is built in this stepped internal lumen, the feed liquor interface 81 of jointing 8 is outer then installs both locking cap 852(concaveconvex structure 853 clamping location), software sealing-plug 9b1 carries out spacing.
Meanwhile, when adopting the jointing 8 of band plug sealing cap 85, liquid medicine filter 3 outlet is connected with the scalp acupuncture (not shown) that can enter through software sealing-plug 851 in jointing 8.Therefore, the jointing 8 being furnished with plug sealing cap 85 can be directly used in transfusion device or the syringe connection of conventional belt scalp acupuncture.
As shown in Figure 9, the jointing 8 feed liquor interface 81 that calparine cap 86 is housed is connected with calparine cap 86 to coordinate and realizes sealing.Calparine cap 86 is the known features of medical apparatus and instruments, just repeats no more here.
Meanwhile, when employing is furnished with the jointing 8 of calparine cap 86, liquid medicine filter 3 needs be connected with the scalp acupuncture (not shown) that can enter through calparine cap 86 in jointing 8.Also the inside and outside cone joint anatomical connectivity in Rule can be adopted between the feed liquor interface 81 of the jointing 8 of the present embodiment and calparine cap 86 to seal.
It will be understood by those skilled in the art that the structure of above-mentioned jointing 8 is only exemplary, is not circumscribed.Such as: jointing 8 also can adopt three-port structure as shown in Figure 10, one of them interface is for going out liquid interface 82, and another two interfaces 81 and 81 ' are as feed liquor interface.The liquid interface 82 that goes out of jointing 8 is directly connected with the feed liquor port 23 of catheter block 22 by flexible pipe 9, and two of jointing 8 feed liquor interfaces can in mounting cover formula sealing cap 9a, plug sealing cap 9b or calparine cap 9c any two kinds.In Figure 10, two feed liquor interface 81 and 81 ' difference mounting cover formula sealing cap 84 and calparine caps 85 of jointing 8, can be connected with band needle infusion device and needle-free transfusion device respectively, expand the scope of application.
Claims (4)
1. a single use periphery cannula infusion device, comprise venipuncture needle assembly and by infusion tube connect successively liquid medicine filter, flow regulator, drip kettle and bottle plug puncture unit; This venipuncture needle assembly comprises the draw point seat of draw point and draw point end, draw point seat is provided with and holds needle handle, it is characterized in that: also comprise conduit tube component, this conduit tube component comprises catheter block, conduit and batching pig, catheter block has the cavity arranged vertically, the front end of catheter block is connected with the end of conduit by conduit fixed core, and makes the cavity connects of conduit and catheter block; Batching pig is filled in the rear port of catheter block; Be provided with feed liquor port at the middle part of catheter block and be connected with described infusion tube; The tip of described draw point is stretched out along the axis of catheter block from catheter block end through after the cavity of batching pig, catheter block and conduit; Detachable indirect connection structure is adopted by jointing between the feed liquor port of described catheter block and liquid medicine filter; Described jointing is two logical or three way cock, and one of them interface is for going out liquid interface, and all the other interfaces are feed liquor interface; The liquid interface that goes out of this jointing connects as one structure by the feed liquor port of infusion tube and this catheter block, any one or two kinds in the feed liquor interface mounting cover formula sealing cap of this jointing, plug sealing cap or calparine cap;
The feed liquor interface of described jointing is connected with plug sealing cap fitted seal, and this plug sealing cap is made up of the locking cap of software sealing-plug and center drilling, and this software sealing-plug is placed in locking cap; This liquid medicine filter is connected with the scalp acupuncture that can enter through this software sealing-plug in jointing; The flat grip of one is provided with in the outside of described jointing; Described conduit is provided with developing line.
2. single use periphery according to claim 1 cannula infusion device, is characterized in that: the front end of described draw point seat is provided with cylindrical positioning convex, can embed in the end port of catheter block ordinatedly.
3. single use periphery according to claim 1 cannula infusion device, is characterized in that: connect an air filter in the side of described bottle plug puncture unit by air inlet pipe.
4. single use periphery according to claim 1 cannula infusion device, is characterized in that: on the flexible pipe that the feed liquor port with described catheter block is adjacent, be provided with flow-stopping clip.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215381.0A CN103330965B (en) | 2013-03-25 | 2013-06-03 | A kind of single use periphery cannula infusion device |
| AU2013391895A AU2013391895A1 (en) | 2013-06-03 | 2013-06-28 | Disposable periphery cannula infusion device |
| PCT/CN2013/078314 WO2014194541A1 (en) | 2013-06-03 | 2013-06-28 | Disposable outer periphery sleeve infusion device |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096675.6 | 2013-03-25 | ||
| CN2013100966756 | 2013-03-25 | ||
| CN201310096675 | 2013-03-25 | ||
| CN201310215381.0A CN103330965B (en) | 2013-03-25 | 2013-06-03 | A kind of single use periphery cannula infusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103330965A CN103330965A (en) | 2013-10-02 |
| CN103330965B true CN103330965B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310215381.0A Active CN103330965B (en) | 2013-03-25 | 2013-06-03 | A kind of single use periphery cannula infusion device |
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| CN (1) | CN103330965B (en) |
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| CN2820201Y (en) * | 2005-07-21 | 2006-09-27 | 威海洁瑞医用制品有限公司 | Closed polyester venous retaining needle |
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| CN102120051A (en) * | 2011-01-26 | 2011-07-13 | 天津市百利康泰生物技术有限公司 | Hirudin anticoagulation tube sealing device for venous retention needle |
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| CN203493980U (en) * | 2013-03-25 | 2014-03-26 | 南通恒泰医疗器材有限公司 | Disposable outer periphery sleeve infusion device |
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| Publication number | Publication date |
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| CN103330965A (en) | 2013-10-02 |
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Owner name: ZHANG JIANLIN Free format text: FORMER OWNER: NANTONG HENGTAI MEDICAL EQUIPMENT CO., LTD. Effective date: 20150906 |
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Effective date of registration: 20150906 Address after: 226500, No. 168 Zhenkang Garden Road, Rugao, Jiangsu, Nantong Patentee after: Zhang Jianlin Address before: 226500, No. 168 Zhenkang Garden Road, Rugao, Jiangsu, Nantong Patentee before: Nantong Hengtai Medical Equipment Co., Ltd. |
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Effective date of registration: 20170628 Address after: 226500, No. 168 Zhenkang Garden Road, Rugao, Jiangsu, Nantong Patentee after: Nantong Hengtai Medical Equipment Co., Ltd. Address before: 226500, No. 168 Zhenkang Garden Road, Rugao, Jiangsu, Nantong Patentee before: Zhang Jianlin |