CN104127933A - Liquid infusion device capable of preventing medium from making contact with adhesive - Google Patents
Liquid infusion device capable of preventing medium from making contact with adhesive Download PDFInfo
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- CN104127933A CN104127933A CN201410322807.7A CN201410322807A CN104127933A CN 104127933 A CN104127933 A CN 104127933A CN 201410322807 A CN201410322807 A CN 201410322807A CN 104127933 A CN104127933 A CN 104127933A
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- flexible pipe
- dropping funnel
- stationary magazine
- magazine creel
- needle
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Abstract
The invention belongs to the field of medical equipment, and discloses a liquid infusion device capable of preventing a medium from making contact with an adhesive. The liquid infusion device comprises hoses and a plurality of connecting pieces which are connected through the hoses. The connecting positions of the connecting pieces and the hoses are all provided with hose sleeved-connection sections, the hose sleeved-connection sections are communicated with the connecting pieces, and the ends of the hoses are connected to the hose sleeved-connection sections in a sleeved mode. Fixing cylinders used for fastening the hoses and the hose sleeved-connection sections are connected with the outer sides of the hoses in a sleeved mode, and the fixing cylinders are connected with the connecting pieces. According to the liquid infusion device, the connecting mode of a needle and a needle base, the connecting mode of the connecting pieces and the hoses and the connecting mode of a dripping bucket body and an upper cover are changed, therefore, it is guaranteed that liquid medicine or blood only makes contact with the needle, the hose sleeved-connection sections, the connecting pieces and the hoses, the chance that the liquid medicine or the blood makes contact with the adhesive is removed thoroughly, harmful substance in the adhesive cannot enter a human body, and it is guaranteed that health of a patient cannot be damaged by the adhesive.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly a kind of liquid infusion device of avoiding medium to contact with bonding agent.
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 end that is stained with bonding agent infusion tube to be socketed in to the junction of 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 still take Ketohexamethylene as main in formula, 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 surpasses certain limit, can work the mischief to human body, thereby should strictly be controlled its residual quantity.Some countries (most of Europe country, as Russia) require as below 2ppm the residual quantity of the Ketohexamethylene of this series products of China's export.
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 downright bad in kidney and cerebral lesion.By skin, absorb and cause the anesthesia of trembling, reduction body temperature, extremely dead eventually.Under the atmosphere of 25ppm, zest is little, but when 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: < < Shandong nursing magazine > > the 1st the 1st phase of volume of March nineteen ninety-five, 63-64 page.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: for solving the bonding agent of existing transfusion or blood transfusion apparatus, directly contact 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, the invention provides a kind of liquid infusion device of avoiding medium to contact with bonding agent, comprise: flexible pipe and by hose connection a plurality of connectors, a plurality of 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, form liquid supply unit, between described medium filter and intravenous needle, by hose connection, there is an intravenous needle joint, between described needle for inserting bottle and dropping funnel, be provided with tongs, described air tube is connected with air filter by flexible pipe, form the ventilating unit for the inner and extraneous air pressure of balance medicine bottle, described dropping funnel comprises dropping funnel body and upper cover, the inner side of described dropping funnel body end face partly 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 a plurality of 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 a plurality of 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 and tube socket section interference fit, 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 screw thread and the taper surface matching 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 screw thread and the taper surface matching 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 on the step surface of clamping ring by boss, 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: a kind of liquid infusion device of avoiding medium to contact with bonding agent of the present invention, 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; Guarantee 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of liquid supply unit of the present invention;
Fig. 2 is the structural representation of ventilating unit of the present invention;
Fig. 3 is the structural representation of needle tubing of the present invention and needle stand;
Fig. 4 is the structural representation of dropping funnel of the present invention;
Fig. 5 is the enlarged drawing of A in Fig. 4;
Fig. 6 is the syndeton schematic diagram of connector and flexible pipe in the embodiment of the present invention one;
Fig. 7 is the syndeton schematic diagram of connector and flexible pipe in the embodiment of the present invention two;
Fig. 8 is the syndeton schematic diagram of connector and flexible pipe in the embodiment of the present invention three;
Fig. 9 is the syndeton schematic diagram of connector and flexible pipe in the embodiment of the present invention four;
Figure 10 is the syndeton schematic diagram of connector and flexible pipe in the embodiment of the present invention five;
Figure 11 is the syndeton schematic diagram of connector and flexible pipe in the embodiment of the present invention six;
Figure 12 is the structural representation of double-deck dropping funnel of the present invention;
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.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Embodiment mono-:
As shown in Figure 1-2, the present invention is a kind of avoids the liquid infusion device that medium contacts with bonding agent to comprise: liquid supply unit and ventilating unit, and 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, guarantees 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 comprised of with a plurality of connectors 201 that are connected by flexible pipe 2 flexible pipe 2 with ventilating unit, and a plurality of 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, form liquid supply unit, between flow regulator 5 and intravenous needle 9, be connected with for being connected the intravenous needle joint 8 of 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 for the ease of connecting the intravenous needle 9 of different structure.Between needle for inserting bottle 1 and dropping funnel 4, be provided with tongs 3, be convenient to block at any time in transfusion or blood transfusion process flowing of medicinal liquid or blood.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, form ventilating unit, air tube 10 inserts in medicine bottle or blood bag, outside air enters medicine bottle or blood bag through air filtration is laggard, 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, assurance 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 a plurality of 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, guarantees 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 a plurality of 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, the end of flexible pipe 2 is socketed in tube socket section 202 outsides, described flexible pipe 2 and tube socket section 202 interference fit; Flexible pipe 2 outsides are socketed with the stationary magazine creel 203 with tube socket section 202 for fastening flexible pipe 2, and when 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 by bonding agent, be connected.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, guarantee 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.When 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, guarantee 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, guarantees 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, by rotation, screw plectrum 206, 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, guarantees 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; When 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, guarantees 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, guarantees 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.The present embodiment solves 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, the present invention 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, guarantee that medicinal liquid or blood only contact with needle tubing 101, hose connection section 202, connector 201 and flexible pipe 2, thoroughly got 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, the present invention, except for medicinal liquid or blood transport field, also can be used for the liquid transportation art that other avoid bonding agent and medium contact.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (9)
1. a liquid infusion device of avoiding medium to contact with bonding agent, comprise: flexible pipe (2) and a plurality of connectors (201) that are connected by flexible pipe (2), a plurality of described connectors (201) comprising: 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), described needle for inserting bottle (1), dropping funnel (4), flow regulator (5), injection member (6), medium filter (7) and intravenous needle (9) are linked in sequence by flexible pipe (2), form liquid supply unit, between described medium filter (7) and intravenous needle (9), by hose connection, there is an intravenous needle joint (8), between described needle for inserting bottle (1) and dropping funnel (4), be provided with tongs (3), described air tube (10) is connected with air filter (11) by flexible pipe (2), forms the ventilating unit for the inner and extraneous air pressure of balance medicine bottle, it is characterized in that,
Described dropping funnel (4) comprises dropping funnel body (402) and upper cover (401), the inner side of the end face of described dropping funnel body (402) partly holds out against the lower surface in described upper cover (401), and Outboard Sections and the upper cover (401) of described dropping funnel body (402) end face are tightly connected;
A plurality of 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).
2. the liquid infusion device of avoiding medium to contact with bonding agent as claimed in claim 1, 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 a plurality of depressions or projection, 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).
3. the liquid infusion device of avoiding medium to contact with bonding agent as claimed in claim 1, it is characterized in that, described flexible pipe (2) and tube socket section (202) interference fit, described flexible pipe (2) outside is connected by bonding agent with stationary magazine creel (203) inner side, and described stationary magazine creel (203) is fixedly connected with or is injected into integrative-structure with connector (201).
4. the liquid infusion device of avoiding medium to contact with bonding agent as claimed in claim 1, it is characterized in that, on the inwall of described tube socket section (202) outside and stationary magazine creel (203), be respectively equipped with the taper surface cooperatively interacting, the end of described flexible pipe (2) is clamped between two described taper surfaces, and described stationary magazine creel (203) is connected by bonding or welding manner with connector (201).
5. the liquid infusion device of avoiding medium to contact with bonding agent as claimed in claim 1, it is characterized in that, on the inwall of described tube socket section (202) outside and stationary magazine creel (203), be respectively equipped with the taper surface cooperatively interacting, the end of described flexible pipe (2) is clamped between two described taper surfaces; Described connector (201) is provided with and screws sleeve (205), and described stationary magazine creel (203) is provided with and screws plectrum (206), described stationary magazine creel (203) with screw sleeve (205) and be threaded connection.
6. the liquid infusion device of avoiding medium to contact with bonding agent as claimed in claim 1, it is characterized in that, the top in the outside of described tube socket section (202) is provided with screw thread, bottom is provided with taper surface, the inwall of described stationary magazine creel (203) is provided with screw thread and the taper surface matching with tube socket section (202), and the end of described flexible pipe (2) is clamped between two described taper surfaces; Described connector (201) is provided with locking sleeve (207), and described stationary magazine creel (203) outside and locking sleeve (207) inner side are respectively equipped with the wedge shape tooth bar of opposite direction, for preventing stationary magazine creel (203) reverse rotation.
7. the liquid infusion device of avoiding medium to contact with bonding agent as claimed in claim 1, it is characterized in that, the top in the outside of described tube socket section (202) is provided with screw thread, bottom is provided with taper surface, the inwall of described stationary magazine creel (203) is provided with screw thread and the taper surface matching with tube socket section (202), and the end of described flexible pipe (2) is clamped between two described taper surfaces; 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.
8. the liquid infusion device of avoiding medium to contact with bonding agent as claimed in claim 1, it is characterized in that, described 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, the upper end of described inner ring holds out against the lower surface in upper cover (401), the lower surface of described upper cover (401) 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 (401) are adhesively fixed.
9. the liquid infusion device of avoiding medium to contact with bonding agent as claimed in claim 1, it is characterized in that, the lower surface of described upper cover (401) is provided with back-up ring, and described back-up ring is positioned at the inner side of dropping funnel body (402) top edge and matches with dropping funnel body (402); Described upper cover (401) lower surface is provided with annular protrusion (404), described dropping funnel body (402) top edge is outwards provided with a circle boss, described dropping funnel body (402) outside is provided with clamping ring (403), the inner side of described clamping ring (403) is provided with step surface, described dropping funnel body (402) is connected on the step surface of clamping ring (403) by boss, the top of described boss holds out against below upper cover, and the upper surface of described clamping ring (403) is welded and fixed by annular protrusion (404) and upper cover (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322807.7A CN104127933A (en) | 2014-07-08 | 2014-07-08 | Liquid infusion device capable of preventing medium from making contact with adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322807.7A CN104127933A (en) | 2014-07-08 | 2014-07-08 | Liquid infusion device capable of preventing medium from making contact with adhesive |
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| Publication Number | Publication Date |
|---|---|
| CN104127933A true CN104127933A (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410322807.7A Pending CN104127933A (en) | 2014-07-08 | 2014-07-08 | Liquid infusion device capable of preventing medium from making contact with adhesive |
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| Country | Link |
|---|---|
| CN (1) | CN104127933A (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR491101A (en) * | 1914-11-13 | 1919-05-22 | Flury & Schwaller Soc | Hose connection |
| US3972330A (en) * | 1970-12-15 | 1976-08-03 | Nosco Plastics, Inc. | Syringe |
| US4037597A (en) * | 1974-07-03 | 1977-07-26 | Firma Transcodan Sven Husted-Anderson | Drip chamber for infusion and transfusion apparatus formed of several parts |
| US4049034A (en) * | 1976-07-14 | 1977-09-20 | Baxter Travenol Laboratories, Inc. | Attaching means and method for attaching flexible tubing to a plastic container |
| FR2385969A1 (en) * | 1977-03-28 | 1978-10-27 | Chatelain Michel | Two piece coupling for flexible hose end - to secure the end without restricting through flow |
| DE2826660A1 (en) * | 1977-06-24 | 1979-01-25 | Ligatures Peters Sa | CATHETER COUPLING |
| DE3314640A1 (en) * | 1982-04-28 | 1983-11-03 | H.G. Wallace Ltd., Colchester, Essex | Connection piece for use in a medical instrument |
| EP0471574A1 (en) * | 1990-08-16 | 1992-02-19 | Pradip Vinodchandra Choksi | Taper fitting with protective skirt means |
| CN1204573A (en) * | 1997-07-07 | 1999-01-13 | 布劳恩梅尔松根公开股份有限公司 | Method for fixing medical tube to adapter of plastic |
| US6106502A (en) * | 1996-12-18 | 2000-08-22 | Richmond; Frank M. | IV sets with needleless fittings and valves |
| US20060157984A1 (en) * | 2005-01-14 | 2006-07-20 | Rome Guy T | Locking luer fitting |
| WO2007100396A2 (en) * | 2005-12-01 | 2007-09-07 | Medrad, Inc. | Fluid delivery system, fluid path, and medical connector for use with the fluid delivery system and fluid path |
| CN101856303A (en) * | 2010-06-01 | 2010-10-13 | 江西富尔康实业集团有限公司 | Transfusion bottle preventing transfusion catheter from falling off |
| CN101869737A (en) * | 2010-07-23 | 2010-10-27 | 吴希德 | Pipe fitting connection mechanism for infusion set |
| CN201855461U (en) * | 2010-06-11 | 2011-06-08 | 成都市双陆医疗器械有限公司 | Hose for infusion devices, dropper for infusion devices and infusion device using same |
| CN102481443A (en) * | 2009-09-24 | 2012-05-30 | 艾斯特勒科技公司 | Connection Device For Medical Tubing |
| CN202459590U (en) * | 2012-03-12 | 2012-10-03 | 圣光医用制品有限公司 | Non-adhesive infusion device |
| CN103751879A (en) * | 2014-02-21 | 2014-04-30 | 北京伏尔特技术有限公司 | Safe blow molding drip chamber assembly |
| CN203954324U (en) * | 2014-07-08 | 2014-11-26 | 北京伏尔特技术有限公司 | A kind of liquid infusion device of avoiding medium to contact with bonding agent |
-
2014
- 2014-07-08 CN CN201410322807.7A patent/CN104127933A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR491101A (en) * | 1914-11-13 | 1919-05-22 | Flury & Schwaller Soc | Hose connection |
| US3972330A (en) * | 1970-12-15 | 1976-08-03 | Nosco Plastics, Inc. | Syringe |
| US4037597A (en) * | 1974-07-03 | 1977-07-26 | Firma Transcodan Sven Husted-Anderson | Drip chamber for infusion and transfusion apparatus formed of several parts |
| US4049034A (en) * | 1976-07-14 | 1977-09-20 | Baxter Travenol Laboratories, Inc. | Attaching means and method for attaching flexible tubing to a plastic container |
| FR2385969A1 (en) * | 1977-03-28 | 1978-10-27 | Chatelain Michel | Two piece coupling for flexible hose end - to secure the end without restricting through flow |
| DE2826660A1 (en) * | 1977-06-24 | 1979-01-25 | Ligatures Peters Sa | CATHETER COUPLING |
| DE3314640A1 (en) * | 1982-04-28 | 1983-11-03 | H.G. Wallace Ltd., Colchester, Essex | Connection piece for use in a medical instrument |
| EP0471574A1 (en) * | 1990-08-16 | 1992-02-19 | Pradip Vinodchandra Choksi | Taper fitting with protective skirt means |
| US6106502A (en) * | 1996-12-18 | 2000-08-22 | Richmond; Frank M. | IV sets with needleless fittings and valves |
| CN1204573A (en) * | 1997-07-07 | 1999-01-13 | 布劳恩梅尔松根公开股份有限公司 | Method for fixing medical tube to adapter of plastic |
| US20060157984A1 (en) * | 2005-01-14 | 2006-07-20 | Rome Guy T | Locking luer fitting |
| WO2007100396A2 (en) * | 2005-12-01 | 2007-09-07 | Medrad, Inc. | Fluid delivery system, fluid path, and medical connector for use with the fluid delivery system and fluid path |
| CN102481443A (en) * | 2009-09-24 | 2012-05-30 | 艾斯特勒科技公司 | Connection Device For Medical Tubing |
| CN101856303A (en) * | 2010-06-01 | 2010-10-13 | 江西富尔康实业集团有限公司 | Transfusion bottle preventing transfusion catheter from falling off |
| CN201855461U (en) * | 2010-06-11 | 2011-06-08 | 成都市双陆医疗器械有限公司 | Hose for infusion devices, dropper for infusion devices and infusion device using same |
| CN101869737A (en) * | 2010-07-23 | 2010-10-27 | 吴希德 | Pipe fitting connection mechanism for infusion set |
| CN202459590U (en) * | 2012-03-12 | 2012-10-03 | 圣光医用制品有限公司 | Non-adhesive infusion device |
| CN103751879A (en) * | 2014-02-21 | 2014-04-30 | 北京伏尔特技术有限公司 | Safe blow molding drip chamber assembly |
| CN203954324U (en) * | 2014-07-08 | 2014-11-26 | 北京伏尔特技术有限公司 | A kind of liquid infusion device of avoiding medium to contact with bonding agent |
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Application publication date: 20141105 |