CN203954336U - The transfusion that a kind of connector and flexible pipe are threaded connection or transfusion set - Google Patents
The transfusion that a kind of connector and flexible pipe are threaded connection or transfusion set Download PDFInfo
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- CN203954336U CN203954336U CN201420375304.1U CN201420375304U CN203954336U CN 203954336 U CN203954336 U CN 203954336U CN 201420375304 U CN201420375304 U CN 201420375304U CN 203954336 U CN203954336 U CN 203954336U
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- flexible pipe
- connector
- needle
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- magazine creel
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Abstract
This utility model belongs to medical instruments field, transfusion or transfusion set that a kind of connector and flexible pipe are threaded connection are disclosed, comprise: flexible pipe and by hose connection multiple connectors, the junction of multiple described connectors and flexible pipe is equipped with tube socket section, described tube socket section and connector internal communication, the end of described flexible pipe is socketed in tube socket section; Described flexible pipe outside is socketed with the stationary magazine creel for fastening flexible pipe and tube socket section, and described stationary magazine creel is connected with described connector.This utility model is by changing the connected mode of needle tubing and needle stand, connector and flexible pipe; ensure that medicinal liquid only contacts with needle tubing, needle stand, connector and flexible pipe; thoroughly get rid of the chance that medicinal liquid and bonding agent come in contact; harmful substance in bonding agent can not enter human body, guarantees that patient's health can not be subject to the infringement of bonding agent.
Description
Technical field
This utility model relates to technical field of medical instruments, transfusion or transfusion set that particularly a kind of connector and flexible pipe are threaded connection.
Background technology
In infusion apparatus, when the connectors such as dropping funnel, flow regulator, intravenous needle, plug bottle liquid pin, plug bottle air tube are connected with infusion tube, mostly be the junction that the end that is stained with bonding agent infusion tube is socketed in to plastic, then utilize bonding agent directly bonding, realize being fixedly connected with and sealing of connector and infusion tube.
During reality is produced, what the bonding agent of most of transfusion device, blood exchange transfusion set's connector adopted is Ketohexamethylene, although some enterprise improves bonding agent, add some other modifying agents, but formula in still taking Ketohexamethylene as main, and also have quite a few enterprise directly to dip Ketohexamethylene, thus make tube wall and the residual Ketohexamethylene of inner chamber more.
Cyclohexanone is a kind of volatile solvent, has hypotoxicity, can make some frosting dissolve, and reaches adhesive effect, can damage fetal development, easily causes Liver and kidney impaired, also can cause cataract.Ring ethyl ketone is slightly soluble in water, miscible in most organic solvents such as alcohol, ether, benzene, acetone.
Ring ethyl ketone healthhazard: this product has anesthesia and stimulation.Liquid is irritant to skin; Eye contact likely causes corneal injury.Chronic Effect: prolonged and repeated contact can cause dermatitis.IARC (International Agency for Research on Cancer, international cancer research institution) to the carcinogenecity comment of cyclohexanone is: animal probable positive.
In transfusion or blood transfusion process, because medicinal liquid or blood directly contact with Ketohexamethylene, Ketohexamethylene can enter human body along with medicinal liquid or blood, in the situation that being heated, the situation that harmful substance in bonding agent discharges can be more serious, and the health of human body and reproductive system is caused to very large harm.
Because Ketohexamethylene residual quantity exceedes certain limit, can work the mischief to human body, thereby should strictly be controlled its residual quantity.The residual quantity of the Ketohexamethylene of this series products of some countries (most of Europe country, as Russia) to China's export requires as below 2ppm.
Hazard property: inflammable, the high heat of chance, naked light have the danger that causes burning, contact fierce reaction with oxidant.
Teratogenecity: rat sucks minimum poisoning concentration (TCL0): 105mg/m
3, 4h (pregnant 1～20d medication), the mortality rate causing before implantation raises.The minimum toxic dose of its mouse oral (TDL0): 11g/kg (pregnant 8～12d medication), (as the minimizing of body weight gain) added up in the growth that affects newborn rat.
Mutagenicity: microsome mutation, Salmonella typhimurium 20 μ l/L.
Environmental effect: environment is had to harm, should pay special attention to water body.
The Ketohexamethylene of high concentration has narcoticness, and central nervous system is had to inhibitory action.Skin and mucosa are had to stimulation.The Ketohexamethylene of high concentration occurs when poisoning to damage blood vessel, causes cardiac muscle, lung, and liver, spleen,, there is bulk-solidifying necrosis in kidney and cerebral lesion.Absorb and cause the anesthesia of trembling, reduction body temperature, extremely dead eventually by skin.Under the atmosphere of 25ppm, zest is little, but in the time that 50ppm is above, with regard to endurable.The maximum permissible concentration of working space Ketohexamethylene is 200mg/m
3.
At present transfusion and blood transfusion field do not have the bonding agent of medical grade, are potential hazards of medical field, and Ketohexamethylene can react with medicinal liquid or blood, for example: (1) can promote oxidation in erythrocyte, accelerates haemolysis process; (2) damage dna chain; (3) in animal toxicity research, find to cause hepatoma and hepatocarcinoma; (4) human central nervous system is had to inhibitory action.Specifically see: the 1st the 1st phase of volume of " Shandong nursing magazine " March nineteen ninety-five, 63-64 page.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: for the bonding agent that solves existing transfusion or blood transfusion apparatus directly contacts with medicinal liquid or blood, bonding agent can enter human body along with medicinal liquid or blood, the problem of health risk.
(2) technical scheme
In order to solve the problems of the technologies described above, transfusion or transfusion set that this utility model provides a kind of connector and flexible pipe to be threaded connection, comprise: flexible pipe and by hose connection multiple connectors, multiple described connectors comprise: needle for inserting bottle, dropping funnel, flow regulator, intravenous needle joint, intravenous needle, air tube, air filter, medium filter and injection member, described needle for inserting bottle, dropping funnel, flow regulator, injection member, medium filter and intravenous needle are linked in sequence by flexible pipe, composition liquid supply unit, between described medium filter and intravenous needle, there is an intravenous needle joint by hose connection, between described needle for inserting bottle and dropping funnel, be provided with tongs, described air tube is connected with air filter by flexible pipe, composition is for the ventilating unit of the inner and extraneous air pressure of balance medicine bottle, described dropping funnel comprises dropping funnel body and upper cover, the inner side part of described dropping funnel body end face holds out against the lower surface at described upper cover, and Outboard Sections and the upper cover of described dropping funnel body end face are tightly connected, the junction of multiple described connectors and flexible pipe is equipped with tube socket section, described tube socket section and connector internal communication, and the end of described flexible pipe is socketed in tube socket section, described flexible pipe outside is socketed with the stationary magazine creel for fastening flexible pipe and tube socket section, and described stationary magazine creel is connected with described connector.
Wherein, described needle for inserting bottle, intravenous needle, air tube include needle tubing and needle stand, described needle stand and hose connection, and described needle tubing outside is provided with multiple depressions or projection, and described needle stand is fixed on needle tubing outside by injection moulding, and the afterbody of described needle tubing stretches out described needle stand.
Preferably, described flexible pipe outside is connected by bonding agent with stationary magazine creel inner side, and described stationary magazine creel is fixedly connected with or is injected into integrative-structure with connector.
Preferably, on the inwall of described tube socket section outside and stationary magazine creel, be respectively equipped with the taper surface cooperatively interacting, the end of described flexible pipe is clamped between two described taper surfaces, and described stationary magazine creel is connected by bonding or welding manner with connector.
Preferably, on the inwall of described tube socket section outside and stationary magazine creel, be respectively equipped with the taper surface cooperatively interacting, the end of described flexible pipe is clamped between two described taper surfaces; Described connector is provided with and screws sleeve, and described stationary magazine creel is provided with and screws plectrum, described stationary magazine creel with screw sleeve and be threaded connection.
Preferably, the top in the outside of described tube socket section is provided with screw thread, bottom is provided with taper surface, and the inwall of described stationary magazine creel is provided with the screw thread and the taper surface that match with tube socket section, and the end of described flexible pipe is clamped between two described taper surfaces; Described connector is provided with locking sleeve, and described stationary magazine creel outside and locking sleeve inner side are respectively equipped with the wedge shape tooth bar of opposite direction, for preventing stationary magazine creel reverse rotation.
Preferably, the top in the outside of described tube socket section is provided with screw thread, bottom is provided with taper surface, and the inwall of described stationary magazine creel is provided with the screw thread and the taper surface that match with tube socket section, and the end of described flexible pipe is clamped between two described taper surfaces; On described stationary magazine creel top and connector bottom surface, be respectively equipped with the wedge shape tooth bar of annular spread, the wedge shape tooth bar opposite direction on described stationary magazine creel top and connector bottom surface.
Preferably, described dropping funnel comprises dropping funnel body and upper cover, and described dropping funnel body is divided into inner ring and outer ring double-layer structure, and the upper end of described inner ring holds out against the lower surface at upper cover, the lower surface of described upper cover is provided with back-up ring, and described back-up ring is positioned at the inner side of inner ring and matches with inner ring; Described outer ring and upper cover are adhesively fixed.
Preferably, the lower surface of described upper cover is provided with back-up ring, and described back-up ring is positioned at the inner side of dropping funnel body top edge and matches with dropping funnel body; Described upper cover lower surface is provided with annular protrusion, described dropping funnel body top edge is outwards provided with a circle boss, described dropping funnel body outside is provided with clamping ring, the inner side of described clamping ring is provided with step surface, described dropping funnel body is connected to by boss on the step surface of clamping ring, the top of described boss holds out against below upper cover, and the upper surface of described clamping ring is welded and fixed by annular protrusion and upper cover.
(3) beneficial effect
Technique scheme tool has the following advantages: transfusion or transfusion set that a kind of connector of this utility model and flexible pipe are threaded connection, by changing the connected mode of needle tubing and needle stand, connector and flexible pipe, dropping funnel body and upper cover, while having avoided transfusion or transfusion set to adopt bonding agent bonding, the risk that bonding agent and medicine or blood react; Ensure that medicinal liquid or blood only contact with needle tubing, needle stand, connector and flexible pipe, thoroughly got rid of the chance that medicinal liquid or blood and bonding agent come in contact, the harmful substance in bonding agent can not enter human body, guarantees that patient's health can not be subject to the infringement of bonding agent.
Brief description of the drawings
Fig. 1 is the structural representation of liquid supply unit of the present utility model;
Fig. 2 is the structural representation of ventilating unit of the present utility model;
Fig. 3 is the structural representation of needle tubing of the present utility model and needle stand;
Fig. 4 is the structural representation of dropping funnel of the present utility model;
Fig. 5 is the enlarged drawing of A in Fig. 4;
Fig. 6 is the syndeton schematic diagram of connector and flexible pipe in this utility model embodiment mono-;
Fig. 7 is the syndeton schematic diagram of connector and flexible pipe in this utility model embodiment bis-;
Fig. 8 is the syndeton schematic diagram of connector and flexible pipe in this utility model embodiment tri-;
Fig. 9 is the syndeton schematic diagram of connector and flexible pipe in this utility model embodiment tetra-;
Figure 10 is the syndeton schematic diagram of connector and flexible pipe in this utility model embodiment five;
Figure 11 is the syndeton schematic diagram of connector and flexible pipe in this utility model embodiment six;
Figure 12 is the structural representation of double-deck dropping funnel of the present utility model;
Figure 13 is the enlarged drawing of B in Figure 12.
Wherein, 1, needle for inserting bottle; 101, needle tubing; 102, needle stand; 2, flexible pipe; 201, connector; 202, tube socket section; 203, stationary magazine creel; 204, weld part; 205, screw sleeve; 206, screw plectrum; 207, locking sleeve; 3, tongs; 4, dropping funnel; 401, upper cover; 402, dropping funnel body; 403, clamping ring; 404, annular protrusion; 5, flow regulator; 6, injection member; 7, medium filter; 8, intravenous needle joint; 9, intravenous needle; 10, air tube; 11, air filter.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples are used for illustrating this utility model, but are not used for limiting scope of the present utility model.
Embodiment mono-:
As shown in Figure 1-2, transfusion or transfusion set that a kind of connector of this utility model and flexible pipe are threaded connection comprise: liquid supply unit and ventilating unit, liquid supply unit, for human vein is connected with medicine bottle or blood bag, is realized the function of carrying medicinal liquid or blood; Ventilating unit is connected with medicine bottle or blood bag, for being communicated with the inside and outside of medicine bottle or blood bag, ensures that the air pressure in medicine bottle or blood bag is identical with external atmosphere pressure, makes medicinal liquid or blood influent supply unit smoothly.
Liquid supply unit is made up of with the multiple connectors 201 that are connected by flexible pipe 2 flexible pipe 2 with ventilating unit, and multiple connectors 201 mainly comprise: needle for inserting bottle 1, dropping funnel 4, flow regulator 5, intravenous needle joint 8, intravenous needle 9, air tube 10, air filter 11, medium filter 7 and injection member 6; Needle for inserting bottle 1, dropping funnel 4, flow regulator 5, medium filter 7 and intravenous needle 9 are linked in sequence by flexible pipe 2, composition liquid supply unit, between flow regulator 5 and intravenous needle 9, be connected with the intravenous needle joint 8 for being connected different model intravenous needle 9, due in concrete use, can run into the intravenous needle 9 of different model, the setting of intravenous needle joint is the intravenous needle 9 for the ease of connecting different structure.Between needle for inserting bottle 1 and dropping funnel 4, be provided with tongs 3, be convenient to transfusion or blood transfusion process in block at any time medicinal liquid or blood flow.On liquid supply unit, be also provided with injection member 6 and medium filter 7, facilitate filtering liquid medicine and to dosing in liquid supply unit.
Air tube 10 is connected with air filter 11 by flexible pipe 2, composition ventilating unit, air tube 10 inserts in medicine bottle or blood bag, outside air through air filtration laggard enter medicine bottle or blood bag, the inside of medicine bottle or blood bag is in communication with the outside, medicine bottle or blood bag are inner identical with extraneous air pressure, guarantee medicinal liquid or blood influent supply unit smoothly under action of gravity.
As shown in Figure 3, needle for inserting bottle 1, intravenous needle 9, air tube 10 include needle tubing 101 and needle stand 102, and flexible pipe 2 is connected with needle stand 102; The outside at needle tubing 101 middle parts is provided with multiple depressions or projection, and needle stand 102 is by injection mo(u)lding in needle tubing 101 outsides, and because needle tubing 101 outsides are provided with depression or projection, the needle stand 102 of injection mo(u)lding has been realized and being fixedly connected with needle tubing 101; The head of needle tubing 101 and afterbody all stretch out described needle stand 102, and needle tubing 101 afterbodys leave extension, are that liquid material flows into needle tubing 101 afterbodys during for fear of injection moulding, cause the generation of stifled pin phenomenon.One or two symmetrical pin wings wherein can be set on the needle stand 102 of intravenous needle 9, and the pin wing can form with needle stand 102 integrated injection moldings, also can independently be arranged on needle stand 102.This in the outer structure that directly injects needle stand 102 of needle tubing 101; without using bonding agent; medicinal liquid or blood directly enter in tube socket section 202 by flexible pipe 2; and finally flow in needle tubing 101; medicinal liquid or blood can not be subject to the impact of bonding agent, guarantee that patient's health can not be subject to the infringement of bonding agent.
Dropping funnel 4 comprises dropping funnel body 402 and upper cover 401, and the inner side of described dropping funnel body 402 holds out against the lower surface at described upper cover 401, and the outside of described dropping funnel body 402 and upper cover 401 are tightly connected.Concrete, as shown in Fig. 4-5, dropping funnel 4 comprises dropping funnel body 402 and upper cover 401, the lower surface of described upper cover 401 is provided with back-up ring, described back-up ring is positioned at the inner side of dropping funnel body 402 top edges and matches with dropping funnel body 402, to guarantee installation location and the sealing effectiveness between upper cover 401 and dropping funnel body 402, avoid dielectric leakage; The lower surface of upper cover 401 is provided with a circle annular protrusion 404, dropping funnel body 402 top edges are outwards provided with a circle boss, dropping funnel body 402 outsides are socketed with clamping ring 403, clamping ring 403 inner sides are provided with lower little large annular table terrace, dropping funnel body 402 is connected to by boss on the annular table terrace of clamping ring 403, ensures that dropping funnel body 402 can not skid off in clamping ring 403; After clamping, the upper surface of clamping ring 403 is a little less than the surface on boss, together with boss upper surface tightly withstands on the lower surface of upper cover 401, the annular protrusion 404 of upper cover 401 belows is pressed on the upper surface of clamping ring 403, then by the mode of welding, annular protrusion 404 is melted, upper cover 401 welds together with clamping ring 403 the most at last, realizes being connected and sealing of upper cover 401 and dropping funnel body 402.
As shown in Figure 6, above-mentioned multiple connector 201 is equipped with outwardly directed tube socket section 202 with the junction of flexible pipe 2, tube socket section 202 inside are provided with connecting hole, connecting hole and connector 201 internal communication, and the end of flexible pipe 2 is socketed in tube socket section 202 outsides; Flexible pipe 2 outsides are socketed with the stationary magazine creel 203 with tube socket section 202 for fastening flexible pipe 2, and in the time that stationary magazine creel 203 covers are received in tube socket section 202, flexible pipe 2 ends are clamped between stationary magazine creel 203 and tube socket section 202, and flexible pipe 2 is fixed; Stationary magazine creel 203 is fixedly connected with the bottom surface of connector 201, flexible pipe 2 outer surfaces and stationary magazine creel 203 inner surface be connected by bonding agent.While adopting this structure, medicinal liquid or blood directly enter in connector 201 by the connecting hole in tube socket section 202, because tube socket section 202 outside covers have flexible pipe 2, bonding agent spreads upon flexible pipe 2 outsides, medicinal liquid or blood can not contact with bonding agent, ensure that patient's health is not affected by bonding agent.
In addition, dropping funnel body 402 also can adopt this structure realization to be tightly connected with upper cover 401.Be that dropping funnel body 402 is equivalent to the flexible pipe 2 in embodiment mono-, upper cover 401 is equivalent to the connector 201 in embodiment mono-, utilizes bonding agent that dropping funnel body 402 and upper cover 401 are tightly connected.
Embodiment bis-:
The present embodiment and embodiment mono-are basic identical, difference is: the bottom of stationary magazine creel 203 inwalls and tube socket section 202 is provided with the taper surface that cooperatively interacts to obtain, the inwall on tube socket section 202 tops and stationary magazine creel 203 tops is the column structure cooperatively interacting, and the top of stationary magazine creel 203 is connected to the bottom (as Fig. 7) of connector 201 by bonding agent.In the time that the thorough insertion stationary magazine creel 203 of tube socket section 202 is interior, the end of flexible pipe 2 is clamped between two taper surfaces just, realizes fixing; Although the top of stationary magazine creel 203 is connected with connector 201 by bonding agent, but medicinal liquid or blood directly enter in connector 201 by flexible pipe 2 and tube socket section 202, can not flow to the top of stationary magazine creel 203, medicinal liquid or blood can not contact with bonding agent, ensure that patient health is unaffected.
Embodiment tri-:
The present embodiment and embodiment bis-are basic identical, difference is: the position at corresponding stationary magazine creel 203 tops, connector 201 bottoms, be provided with the weld part 204 of annular spread, be that a circle is left for being welded and fixed the part of cylinder 203 in connector 201 bottoms, by welding, weld part 204 is melted, realize be connected (as the Fig. 8) between connector 201 and stationary magazine creel 203.This structure is not used any bonding agent, can thoroughly avoid medicinal liquid or blood to contact with bonding agent, ensures patient health.
Embodiment tetra-:
The present embodiment and embodiment mono-are basic identical, and difference is: on the inwall of tube socket section 202 outsides and stationary magazine creel 203, be respectively equipped with the taper surface cooperatively interacting, the end of flexible pipe 2 is clamped between two described taper surfaces; Connector 201 is provided with and screws sleeve 205, screw sleeve 205 inwalls and be provided with screw thread, stationary magazine creel 203 is provided with and screws plectrum 206, stationary magazine creel 203 outer walls are provided with and the screw thread that screws sleeve 205 inwalls and match, screw plectrum 206 by rotation, realize stationary magazine creel 203 and be connected (as the Fig. 9) that screws sleeve 205.This structure is not used any bonding agent, can thoroughly avoid medicinal liquid or blood to contact with bonding agent, ensures patient health.
Embodiment five:
The present embodiment and embodiment mono-are basic identical, and difference is: the below of the outside of tube socket section 202 lower ends and stationary magazine creel 203 inwalls is respectively equipped with the taper surface cooperatively interacting, and the end of flexible pipe 2 is clamped between two described taper surfaces; The top of the upper end of tube socket section 202 and stationary magazine creel 203 inwalls is provided with the screw thread cooperatively interacting, for being connected and fixed cylinder 203 and tube socket section 202; Connector 201 bottoms are provided with locking sleeve 207, the inwall of institute's locking sleeve 207 and the outside of stationary magazine creel 203 are respectively equipped with wedge shape tooth bar that cooperatively interact, opposite direction, for realizing the self-locking (as Figure 10) between stationary magazine creel 203 and the locking sleeve 207 of connector 201.When stationary magazine creel 203 is tightened onto in tube socket section 202 by screw thread, the wedge shape tooth bar in stationary magazine creel 203 outsides contacts with the wedge shape tooth bar in locking sleeve 207, both opposite directions, and in screw-in process, stationary magazine creel 203 slips in locking sleeve 207 gradually; In the time that stationary magazine creel 203 rotates to locking sleeve 207 bottom, due to the effect of wedge shape tooth bar, stationary magazine creel 203 cannot be realized reverse rotation, has thoroughly realized the self-locking of stationary magazine creel 203 with connector 201, avoids stationary magazine creel 203 to unclamp.This structure is not used any bonding agent, can thoroughly avoid medicinal liquid or blood to contact with bonding agent, ensures patient health.And be provided with reverse wedge shape tooth bar, and can realize self-locking, avoid stationary magazine creel 203 to unclamp voluntarily.
Embodiment six:
The present embodiment and embodiment five are basic identical, and difference is: stationary magazine creel 203 tops and connector 201 bottoms are respectively equipped with wedge shape tooth bar opposite direction, that annular arranges, realize the self-locking (as Figure 11) of stationary magazine creel 203 and connector 201.This structure is not used any bonding agent, can thoroughly avoid medicinal liquid or blood to contact with bonding agent, ensures patient health.And be provided with reverse wedge shape tooth bar, and can realize self-locking, avoid stationary magazine creel 203 to unclamp voluntarily.
Embodiment seven:
The present embodiment and embodiment five are basic identical, and difference is: the dropping funnel in the present embodiment has been realized the object of avoiding bonding agent to contact with medicinal liquid or blood by another kind of mode.As shown in Figure 12-13, dropping funnel 4 comprises dropping funnel body 402 and upper cover 401, described dropping funnel body 402 is divided into inner ring and outer ring double-layer structure, inner ring adopts safer material to make, avoid the materials such as PVC directly to contact with medium, prevent that the harmful substance that PVC material discharges from entering human body with medium, causes adverse effect to health; The upper end of described inner ring holds out against the lower surface at upper cover 401, and the lower surface of described upper cover 401 is provided with back-up ring, and both are structure as a whole, and described back-up ring is positioned at the inner side of inner ring and matches with inner ring; Described outer ring and upper cover 401 are adhesively fixed.What the present embodiment solved is double-deck dropping funnel when bonding with upper cover employing bonding agent, the problem that medicinal liquid or blood contact with bonding agent.
In reality is produced, also can adopt the mode of blowing, directly blow out flexible pipe 2 and dropping funnel 4 parts; Or the mode that adopts reducing to extrude, squeeze out dropping funnel 4 and flexible pipe 2 parts with different-diameter, the dropping funnel 4 that these two kinds of modes are produced is structure as a whole with the flexible pipe 2 at its two ends, without taking any other connected mode, these two kinds of structures also can realize the object of avoiding medicinal liquid or blood to contact with bonding agent.The structure of above-mentioned two kinds of dropping funnels 4, not containing bonding agent, also can not be subject to the pollution of bonding agent, can not damage patient's health.
As can be seen from the above embodiments, this utility model is by changing the connected mode of needle tubing 101 and needle stand 102, connector 201 and flexible pipe 2, dropping funnel body 402 and upper cover 401, by using various structure, ensure that medicinal liquid or blood only contact with needle tubing 101, hose connection section 202, connector 201 and flexible pipe 2, thoroughly get rid of the chance that medicinal liquid or blood and bonding agent come in contact, bonding agent does not contact with blood or medicinal liquid, protects and has earned transfusion or the quality of blood transfusion and patient's safety; Harmful substance in bonding agent can not enter human body, guarantees that patient's health can not be subject to the infringement of bonding agent.
In addition, this utility model is except for medicinal liquid or blood transport field, also can be used for other and avoid the liquid transportation art of bonding agent and medium contact.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of this utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (5)
1. a connector and flexible pipe are threaded connection transfusion or transfusion set, comprise: flexible pipe (2) and the multiple connectors (201) that are connected by flexible pipe (2), described multiple connector (201) comprising: needle for inserting bottle (1), dropping funnel (4), flow regulator (5), intravenous needle (9), air tube (10) and air filter (11), described needle for inserting bottle (1), dropping funnel (4), flow regulator (5) and intravenous needle (9) are linked in sequence by flexible pipe (2), composition liquid supply unit; Described air tube (10) is connected with air filter (11) by flexible pipe (2), and composition is used for the ventilating unit of the inner and extraneous air pressure of balance medicine bottle, it is characterized in that,
Multiple described connectors (201) are equipped with tube socket section (202) with the junction of flexible pipe (2), described tube socket section (202) and connector (201) internal communication, the end of described flexible pipe (2) is socketed in tube socket section (202); Described flexible pipe (2) outside is socketed with the stationary magazine creel (203) with tube socket section (202) for fastening flexible pipe (2), and described stationary magazine creel (203) is connected with described connector (201);
The top in described tube socket section (202) outside is provided with taper surface, bottom is provided with screw thread, the inwall of described stationary magazine creel (203) is provided with the screw thread and the taper surface that match with tube socket section (202), and the end of described flexible pipe (2) penetrates stationary magazine creel (203) and is clamped between two described taper surfaces.
2. connector as claimed in claim 1 and flexible pipe are threaded connection transfusion or transfusion set, it is characterized in that, described connector (201) is provided with locking sleeve (207), the inner side of the outside of described stationary magazine creel (203) and locking sleeve (207) is respectively equipped with the wedge shape tooth bar for preventing stationary magazine creel (203) reverse rotation, the opposite direction of the wedge shape tooth bar of described stationary magazine creel (203) outside and locking sleeve (207) inner side.
3. connector as claimed in claim 1 and flexible pipe are threaded connection transfusion or transfusion set, it is characterized in that, on described stationary magazine creel (203) top and connector (201) bottom surface, be respectively equipped with the wedge shape tooth bar of annular spread, the wedge shape tooth bar opposite direction on described stationary magazine creel (203) top and connector (201) bottom surface.
4. connector as claimed in claim 1 and flexible pipe are threaded connection transfusion or transfusion set, it is characterized in that, described needle for inserting bottle (1), intravenous needle (9), air tube (10) include needle tubing (101) and needle stand (102), described needle stand (102) is connected with flexible pipe (2), described needle tubing (101) outside is provided with multiple depressions or projection (404), described needle stand (102) is fixed on needle tubing (101) outside by injection moulding, and the afterbody of described needle tubing (101) stretches out described needle stand (102).
5. connector and flexible pipe are threaded connection as claimed in claim 2 or claim 3 transfusion or transfusion set, it is characterized in that, described connector also comprises: injection member (6), liquid medicine filter (7) and for connecting the intravenous needle joint (8) of different model intravenous needle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375304.1U CN203954336U (en) | 2014-07-08 | 2014-07-08 | The transfusion that a kind of connector and flexible pipe are threaded connection or transfusion set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375304.1U CN203954336U (en) | 2014-07-08 | 2014-07-08 | The transfusion that a kind of connector and flexible pipe are threaded connection or transfusion set |
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| Publication Number | Publication Date |
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| CN203954336U true CN203954336U (en) | 2014-11-26 |
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| CN201420375304.1U Active CN203954336U (en) | 2014-07-08 | 2014-07-08 | The transfusion that a kind of connector and flexible pipe are threaded connection or transfusion set |
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| Country | Link |
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| CN (1) | CN203954336U (en) |
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- 2014-07-08 CN CN201420375304.1U patent/CN203954336U/en active Active
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