CN101721309A - Infusion bag and infusion apparatus matched with same - Google Patents

Infusion bag and infusion apparatus matched with same Download PDF

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Publication number
CN101721309A
CN101721309A CN200910131639A CN200910131639A CN101721309A CN 101721309 A CN101721309 A CN 101721309A CN 200910131639 A CN200910131639 A CN 200910131639A CN 200910131639 A CN200910131639 A CN 200910131639A CN 101721309 A CN101721309 A CN 101721309A
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China
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dosing mouth
discharging nozzle
medicine discharging
taper
capping
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CN200910131639A
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Chinese (zh)
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马伟博
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Individual
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Individual
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Priority to CN200910131639A priority Critical patent/CN101721309A/en
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Abstract

The invention provides a single-opening infusion bag which comprises a combination cover, an interface pipe and a bag, wherein the combination cover consists of a drug outlet mouth and a plugging cover; particularly, the upper section of the drug outlet mount is internally provided with a tapered hole matched with a tapered nipple of an infusion apparatus and externally provided with a thread; the annular wall of the plugging cover is internally provided with an inner thread matched with the thread outside the upper section of the drug outlet mouth; the center of a top plate of the plugging cover is provided with a plugging piece matched with the tapered hole in the upper section of the drug outlet mouth; and after the plugging cover is screwed on the drug outlet mouth to seal the drug outlet mouth, a sealing ring which can be torn off is used for sealing a gap between the plugging cover and the drug outlet mouth. The packaging structure of the infusion bag cannot loosen in conveying and transportation processes to cause the leakage and the pollution of liquid medicine. The infusion bag is used together with a matched infusion apparatus provided with the invention and can avoid plug scrap dropping and nurse accidental injuries which are caused by using a bottle inserting needle or an infusion apparatus puncturing combination cover in the process of an infusion operation.

Description

Transfusion bag and with its matching used transfusion device
Technical field
The invention belongs to a kind of medical packaging container and a kind of and its matching used medical apparatus and instruments, be specifically related to a kind of transfusion bag and a kind of and its matching used transfusion device.
Background technology
Transfusion bag is the packing container of a kind of splendid attire venous transfusion that often uses in curative activity with injection.General transfusion bag all is a single port pipe transfusion bag, is made of composite cover, mouthpiece and sack, and the composite cover majority has plug.When the injection in using transfusion bag carried out infusion treatment, transfusion device was a kind of medical apparatus and instruments of frequent use.General transfusion device all is to be linked in sequence by plastic flexible pipe by needle for inserting bottle, dropping funnel, liquid medicine filter and venipuncture needle, and flow regulator hung over the plastic flexible pipe outside below the dropping funnel and constitutes.Needle for inserting bottle with transfusion device punctures to composite cover, is the operation sequence that must carry out.When needs are annotated other medicinal liquid in transfusion bag, also be an operation of often carrying out with the syringe needle of syringe puncture composite cover.Puncture on composite cover with pin, in the process of composite cover breakage, have the liquid that the plug bits that come off enter infusion, patient's safety is threatened; Also may in the process of puncture procedure, run into the accidental injury that sharp needle point causes the nurse.These unsafe hidden danger should be avoided.
No. 94105947.2, Chinese patent application, it is made up of medicinal liquid packaging bag and transfusion device two parts to disclose a kind of " portable infusion apparatus ", outlet tube and input pipe opening feed in the medicinal liquid packaging bag, draw outside the bag through the sealing strip edge, the other end of outlet tube is equipped with out splice going splice, the other end of input pipe is equipped with input adapter, closed joint of serial connection between two joints, and the liquid feeding end of transfusion device is equipped with the joint that can be connected with the protruding formula cone joint of out splice going splice and syringe.Above-mentioned this transfusion bag and matching used transfusion device can be avoided in curative activity, accidental injury that the plug bits that cause with sharp syringe needle puncture plug come off and contingent nurse punctures.But but there is following problem in it: because the connection of a closed joint of serial connection realizes by frictional fit between its input adapter, out splice going splice and two joints, in the industrial process of standardization, this cooperation need be controlled axial compressive force and two parameters of horizontal moment of torsion, technological requirement more complicated.And above-mentioned three joints all are provided with swing handle, such encapsulating structure makes its finished product run into to jolt, push, collide in packing, transportation and the process used its junction deflection is become flexible, cause the excessive of transfusion bag inner liquid medicine and pollution, the packaging structure that can not satisfy injection must safe and reliable requirement.In addition because the design of its transfusion device liquid feeding end is the taper hole formula joint that is connected with the protruding formula cone joint of syringe, cause with its matching used transfusion bag must be the two-tube transfusion bag that outlet tube and input pipe are arranged, otherwise just can't with syringe under the situation of not using syringe needle in transfusion bag the filling other medicinal liquid.Two-tube transfusion bag and single tube transfusion bag are compared, and the former manys a part of raw material of consumption than the latter, but also exist the medicinal liquid that retains in the input pipe can't enter the problem of human body performance therapeutical effect.
Summary of the invention
The objective of the invention is: provide a kind of can either avoid in the transfusion operation process because of the plug bits that use needle for inserting bottle or syringe puncture composite cover to cause come off and the nurse accidentally injures, simultaneously packaging structure safe and reliable, again can reduce related resource consumption, production technology is simpler and do not have the residual transfusion bag of medicinal liquid and can with its matching used transfusion device.
In order to achieve the above object, concrete solution of the present invention is: a kind of transfusion bag, it is single port pipe transfusion bag, comprise composite cover, mouthpiece and sack, bonding or heat seal welding after mouthpiece top and the composite cover socket, the bottom of mouthpiece and sack heat seal welding, described composite cover is made of medicine discharging nozzle and capping, particularly: the taper hole that the last intrasegmental part of described medicine discharging nozzle is and syringe taper nipple mates, there are screw thread or two projections that distribute relatively in the outside, and hypomere is its bore of straight tube and belled mouthpiece coupling; There is the female thread with medicine discharging nozzle epimere external screw-thread or projection coupling the ring wall inside of capping, and there is the closeouts with the inner taper hole coupling of medicine discharging nozzle epimere in capping top board central authorities; When capping is screwing on the medicine discharging nozzle after the medicine discharging nozzle sealing, the sealing ring that can tear of reuse is enclosed within the outside of capping bottom and medicine discharging nozzle hypomere straight tube, with welding or bonding method by sealing ring with the gap closing between capping and the medicine discharging nozzle.
In order to achieve the above object, the technical scheme that the matching used transfusion device of the present invention and above-mentioned transfusion bag adopts is: a kind of transfusion device, comprise plastic flexible pipe and by its sequential dropping funnel that links together, liquid medicine filter, venipuncture needle be positioned at the flow regulator that dropping funnel below is stuck in the plastic flexible pipe outside, it is characterized in that: the other end of the plastic flexible pipe that links to each other with the dropping funnel top, what connect is the taper joint that substitutes the transfusion device needle for inserting bottle, the cone of axially extending bore is mated, has in described taper joint, epimere for the taper hole with its matching used transfusion bag medicine discharging nozzle; Hypomere is energy and the belled straight tube of plastic flexible pipe.
When using transfusion bag provided by the present invention to infuse, need and the supporting use of transfusion device provided by the present invention.The sealing ring that the capping of the transfusion bag of outwarding winding composite cover seals slit between capping and the medicine discharging nozzle simultaneously also is torn, and exposes the taper hole of medicine discharging nozzle inside, because the medicine discharging nozzle epimere is in the clean environment of sealing always, can outward winding promptly with carrying out disinfection again.To insert in the taper hole with the taper joint of the transfusion device that axially extending bore is arranged of medicine discharging nozzle epimere taper hole coupling again and screw, and transfusion bag be hung in the air promptly can carry out infusion treatment.Because therefore the operating process of not using needle for inserting bottle to pierce through composite cover yet just can not cause the plug bits to come off and nurse's puncture is accidentally injured.
Because the sealing of transfusion bag medicine discharging nozzle provided by the present invention, be the strength of utilizing screw thread rotation, the tight pressing of taper hole of intrasegmental part on the closeouts of capping top board central authorities and the medicine discharging nozzle is realized, like this in the industrial process of standardization, this cooperation only need be controlled parameter of horizontal moment of torsion and get final product, so manufacturing technique requirent is fairly simple.And screwing on the medicine discharging nozzle after the medicine discharging nozzle sealing when capping, again with the sealing ring that can tear with welding or bonding method with the gap closing between capping and the medicine discharging nozzle.Such encapsulating structure makes its finished product can not make its junction deflection loosening because of jolting, push, colliding in the process of packing, transportation and use, cause the excessive of transfusion bag inner liquid medicine and pollution, the packaging structure that more meets injection must safe and reliable requirement.
Because the design of transfusion device liquid feeding end provided by the present invention is the taper joint of mating with transfusion bag medicine discharging nozzle vertebral foramen provided by the present invention, and the vertebral foramen of transfusion bag medicine discharging nozzle and syringe taper nipple coupling, use single port pipe transfusion bag provided by the present invention like this, both can infuse with being connected by its medicine discharging nozzle with its matching used transfusion device, also can use syringe needle only the vertebral foramen of the nipple of syringe insertion medicine discharging nozzle other medicinal liquid of can in transfusion bag, annotating, make this single port pipe transfusion bag also possess above-mentioned double bimouth pipe transfusion bag and can export medicinal liquid, also can not use in bag, annotate two kinds of functions of medicinal liquid of syringe needle.Single port pipe transfusion bag and double bimouth pipe transfusion bag are compared, and the former will save a part of raw material than the latter, do not retain the problem that medicinal liquid can't enter human body performance therapeutical effect in the input pipe but also do not exist.
The top of transfusion bag capping ring wall provided by the present invention outside can evenly be provided with the vertical crest line of at least two projectioies, so that the grasping and firmly of turn-knob when uncapping.
The bottom of transfusion bag medicine discharging nozzle hypomere straight tube provided by the present invention can be provided with two symmetric fins so that turn-knob when uncapping the grasping of medicine discharging nozzle fix.
The closeouts of transfusion bag capping top board central authorities provided by the present invention and the inner taper hole coupling of medicine discharging nozzle epimere can be conical head or sealing ring.
As a further improvement on the present invention, after the encapsulation of described transfusion bag is finished, can also wrap the capping of composite cover and medicine discharging nozzle hypomere with butterfly piece up and down respectively, so that the turn-knob grasping of capping and fixing of medicine discharging nozzle when uncapping.
As a further improvement on the present invention, the taper joint that described transfusion device substitutes needle for inserting bottle can also be provided with fastening cap, fastening cap is connected as a single entity with it at the root of taper joint cone, in the fastening cap ring wall screw thread is arranged, the external screw thread of the composite cover medicine discharging nozzle of screw thread and above-mentioned matching used transfusion bag or projection coupling.Fastening cap has been arranged, transfusion device provided by the present invention with can pull-off after its matching used transfusion bag is connected.
As a further improvement on the present invention, the taper joint that described transfusion device substitutes needle for inserting bottle can also be provided with the dosing mouth, dosing mouth and taper joint hypomere and the belled straight tube of plastic flexible pipe are connected as a single entity, there is an axial pass-through holes in dosing mouth central authorities, the infusion channel UNICOM of the through hole of its nearly intrasegmental part and taper joint inside, the vertebral foramen that intrasegmental part far away be and the taper nipple of syringe mates; Its outside is the projection of screw thread or two symmetrical distributions.Far away section of the dosing mouth with a seal cover with the sealing of dosing mouth, there is the female thread with dosing mouth section far away external screw-thread or projection coupling the ring wall inside of described seal cover, there is the closeouts with dosing mouth intrasegmental part taper hole coupling far away in described seal cover top board central authorities; When screwing on the dosing mouth, just the dosing mouth is sealed seal cover.The closeouts of described seal cover top board central authorities can be conical head, sealing ring and sealing gasket.Like this time with the supporting use of transfusion bag provided by the present invention, if the mouthpiece of transfusion bag is a plastic flexible pipe, will dosing in transfusion device in infusion process, can earlier the interface pipe clamp be closed, outward winding the then seal cover of dosing mouth in the taper joint, the vertebral foramen that the syringe taper nipple that sucks injection is inserted dosing mouth intrasegmental part far away screws, can dosing in transfusion device.Threaten the problem of patient safety with regard to having avoided coming off like this by the rubber cap buffings that dosing may cause in transfusion device of puncture on the dropping funnel.
As a further improvement on the present invention, a dosing threeway can also be set between the taper joint of described transfusion device and the dropping funnel.The drug-feeding tube that the dosing threeway is interconnected by inside, drug discharging tube and dosing mouth constitute: the far-end of drug-feeding tube is communicated with taper joint by the grafting with plastic flexible pipe; The far-end of drug discharging tube is communicated with dropping funnel by the grafting with plastic flexible pipe; Its intrasegmental part far away of dosing mouth is and the vertebral foramen of the taper nipple of syringe coupling; Its outside is the projection of screw thread or two symmetrical distributions.Far-end at the dosing mouth seals the dosing mouth with a seal cover; There is the female thread with dosing mouth section far away external screw-thread or projection coupling the ring wall inside of described seal cover, and there is the closeouts with dosing mouth intrasegmental part taper hole coupling far away in described seal cover top board central authorities; When screwing on the dosing mouth, just the dosing mouth is sealed seal cover.The closeouts of described seal cover top board central authorities can be conical head, sealing ring or sealing gasket.Like this time with the supporting use of transfusion bag provided by the present invention, if the mouthpiece of transfusion bag is a plastic rigid pipe, will dosing in transfusion device in infusion process, can earlier the folder of the plastic flexible pipe between taper joint and the dosing threeway be closed, outward winding the then seal cover of dosing mouth in the taper joint, the vertebral foramen that the syringe taper nipple that sucks injection is inserted dosing mouth intrasegmental part far away screws, can dosing in transfusion device.Threaten the problem of patient safety with regard to having avoided coming off like this by the rubber cap buffings that dosing may cause in transfusion device of puncture on the dropping funnel.
As a further improvement on the present invention, the capping and the sealing ring of transfusion bag composite cover can also be made into conjoined structure in advance, like this when capping is screwing the medicine discharging nozzle sealing on the medicine discharging nozzle after, be enclosed within the outside of medicine discharging nozzle hypomere with the sealing ring of capping disjunctor, can be with the bottom and the welding of medicine discharging nozzle hypomere of sealing ring with the gap closing between capping and the medicine discharging nozzle.In the process that transfusion bag is sealed, reduced special together operation of on medicine discharging nozzle, overlapping sealing ring like this.
Description of drawings
Fig. 1 is the sketch map of a specific embodiment of transfusion bag provided by the invention.
Fig. 2 is the sketch map of a specific embodiment of transfusion device provided by the invention.
Shown in Figure 3 is the sketch map of transfusion bag provided by the invention and the supporting operating position of transfusion device.
Fig. 4 is the sketch map of a preferred implementation of transfusion bag provided by the present invention.
Fig. 5 is the sketch map of another embodiment of transfusion bag provided by the present invention.
Fig. 6 be transfusion device provided by the present invention improve the back with sketch map that can pull-off after its supporting transfusion bag is connected.
Fig. 7 is the sketch map that the taper joint of the alternative needle for inserting bottle of transfusion device provided by the present invention is provided with the dosing mouth.
Fig. 8 is transfusion device provided by the present invention is provided with a dosing threeway between taper joint and dropping funnel a sketch map.
The specific embodiment
Below with reference to the drawings and specific embodiments the present invention is described in further details.
Shown in Figure 1 is a specific embodiment of transfusion bag provided by the present invention; It comprises composite cover, mouthpiece 3 and the sack 4 that is made of medicine discharging nozzle 1 and capping 2, the hypomere of mouthpiece 3 and sack 4 heat seal weldings, heat seal welding after the straight tube of medicine discharging nozzle 1 hypomere and mouthpiece 3 sockets.The last intrasegmental part of medicine discharging nozzle 1 is a taper hole, and there is screw thread the outside, and hypomere is its bore of straight tube and belled mouthpiece 3 couplings; The ring wall of capping 2 has the female thread with medicine discharging nozzle 1 epimere external screw-thread coupling, and there is the conical head with the inner taper hole coupling of medicine discharging nozzle 1 epimere in capping 2 top board central authorities; After liquid medicine filling in transfusion bag finishes, capping 2 be tightened on medicine discharging nozzle 1 above, the strength of utilizing screw thread rotation is the tight pressing of taper hole of intrasegmental part on the conical head of capping 2 top board central authorities and the medicine discharging nozzle 1, with the transfusion bag sealing, to guarantee that the bag inner liquid medicine is not excessive, not pollute.The sealing ring that can tear 5 of reuse is enclosed within the outside of capping 2 bottoms and medicine discharging nozzle 1 hypomere straight tube, passes through sealing ring 5 with the gap closing between capping 2 and the medicine discharging nozzle 1 with welding or bonding method.
Fig. 2 is the sketch map of a specific embodiment of transfusion device provided by the invention.It comprises plastic flexible pipe 6 and by its sequential dropping funnel that links together 7, liquid medicine filter 8, venipuncture needle 9 be positioned at the flow regulator 10 that dropping funnel 7 belows are stuck in plastic flexible pipe 6 outsides, the other end of plastic flexible pipe 6 links to each other with dropping funnel 7 tops, what connect is the taper joint 11 that substitutes the transfusion device needle for inserting bottle, 11 sections cones that mate, have axially extending bore for the taper hole with transfusion bag medicine discharging nozzle 1 provided by the present invention of described taper joint; Hypomere is energy and plastic flexible pipe 6 belled straight tubes.
Shown in Figure 3 is the sketch map of transfusion bag provided by the invention and the supporting operating position of transfusion device.When using transfusion bag provided by the present invention to infuse, need and the supporting use of transfusion device provided by the present invention: the sealing ring 5 that the capping 2 of the transfusion bag of outwarding winding seals slit between capping 2 and the medicine discharging nozzle 1 simultaneously also is torn, the taper hole that exposes medicine discharging nozzle 1 inside, because medicine discharging nozzle 1 epimere is in the clean environment of sealing, can outward winding promptly with carrying out disinfection again always.Again will with the transfusion device of medicine discharging nozzle 1 taper hole coupling on have the taper joint 11 of axially extending bore to insert in the taper holes to screw, transfusion bag is hung in the air promptly can carry out infusion treatment again.Because therefore the operating process of not using needle for inserting bottle to pierce through composite cover yet just can not cause the plug bits to come off and nurse's puncture is accidentally injured.
Fig. 4 is the sketch map of a preferred implementation of transfusion bag provided by the invention.It comprises composite cover, mouthpiece 3 and the sack 4 that is made of medicine discharging nozzle 1 and capping 2, the hypomere of mouthpiece 3 and sack 4 heat seal weldings, heat seal welding after the straight tube of medicine discharging nozzle 1 hypomere and mouthpiece 3 sockets.The last intrasegmental part of medicine discharging nozzle 1 is a taper hole, and there is screw thread the outside, and hypomere is its bore of straight tube and belled mouthpiece 3 couplings and two symmetric fins 12 are set on its outer wall so that turn-knob when uncapping the grasping of medicine discharging nozzle fix; The ring wall of capping 2 has the female thread with medicine discharging nozzle 1 epimere external screw-thread coupling, there is the conical head with the inner taper hole coupling of medicine discharging nozzle 1 epimere in capping 2 top board central authorities, the top of capping 2 ring walls outsides evenly is provided with the vertical crest line 13 of four projectioies, so that the grasping and firmly of turn-knob when uncapping; After liquid medicine filling in transfusion bag finishes, capping 2 be tightened on medicine discharging nozzle 1 above, the strength of utilizing screw thread rotation is the tight pressing of taper hole of intrasegmental part on the conical head of capping 2 top board central authorities and the medicine discharging nozzle 1, with the transfusion bag sealing, to guarantee that the bag inner liquid medicine is not excessive, not pollute.The sealing ring that can tear 5 of reuse is enclosed within the outside of capping 2 bottoms and medicine discharging nozzle 1 hypomere straight tube, passes through sealing ring 5 with the gap closing between capping 2 and the medicine discharging nozzle 1 with welding or bonding method.
Fig. 5 is the sketch map of another embodiment of transfusion bag provided by the present invention.Install injection in transfusion bag, after capping 2 tightly seals medicine discharging nozzle 1, the sealing ring that can tear 5 of reuse is enclosed within the outside of capping 2 bottoms and medicine discharging nozzle 1 hypomere straight tube, passes through sealing ring 5 with the gap closing between capping 2 and the medicine discharging nozzle 1 with welding or bonding method.And then capping 2 and medicine discharging nozzle 1 hypomere wrapped with butterfly piece 14,15 up and down respectively, so that the grasping and firmly of turn-knob when uncapping.
Fig. 6 be transfusion device provided by the present invention improve the back with sketch map that can pull-off after its matching used transfusion bag is connected.The taper joint 11 of transfusion device also is provided with fastening cap 16, and fastening cap 16 is connected as a single entity with it at the root of the cone of taper joint 11, in fastening cap 16 ring walls screw thread is arranged, the external screw thread coupling of the medicine discharging nozzle 1 of screw thread and transfusion bag.At this moment transfusion device provided by the present invention be connected with its matching used transfusion bag, the first taper hole that the capping 2 of transfusion bag is removed medicine discharging nozzle 1 exposes, again the fastening cap 16 of the taper joint 11 of transfusion device is enclosed within the outside of medicine discharging nozzle 1, screw fastening cap 16 and utilize the strength of screw thread rotation, sack 4 is hung in the air promptly can carry out infusion treatment then the tight pressing of taper hole of the cone of taper joint 11 and medicine discharging nozzle 1.Fastening cap 16 has been arranged, transfusion device provided by the present invention with can pull-off after its supporting transfusion bag is connected.
Fig. 7 is the sketch map that the taper joint of the alternative needle for inserting bottle of transfusion device provided by the present invention is provided with the dosing mouth.Dosing mouth 17 is connected as a single entity with taper joint 11 hypomeres and plastic flexible pipe 6 belled straight tubes, there is an axial pass-through holes in dosing mouth 17 central authorities, the infusion channel UNICOM of the through hole of its nearly intrasegmental part and taper joint 11 inside, the vertebral foramen that intrasegmental part far away be and the taper nipple of syringe mates; Its outside is the projection of screw thread or two symmetrical distributions.Far away section of dosing mouth 17 with a seal cover 18 with 17 sealings of dosing mouth, there is the female thread with 17 far away sections external screw-threads of dosing mouth or projection coupling the ring wall inside of described seal cover 18, and there is the conical head that mates with dosing mouth 17 intrasegmental part taper holes far away in described seal cover 18 top board central authorities; When screwing on dosing mouth 17, just dosing mouth 17 is sealed seal cover 18.Like this time with the supporting use of transfusion bag provided by the present invention, if the mouthpiece of transfusion bag 3 is a plastic flexible pipe, will dosing in transfusion device in infusion process, can earlier mouthpiece 3 folders be closed, outward winding the then seal cover 18 of dosing mouth 17 in the taper joint 11, the vertebral foramen that the syringe taper nipple that sucks injection is inserted dosing mouth 17 intrasegmental parts far away screws, can dosing in transfusion device.Threaten the problem of patient safety with regard to having avoided coming off like this by the rubber cap buffings that dosing may cause in transfusion device of puncture on the dropping funnel 7.
Fig. 8 is the sketch map that a dosing threeway is set between the taper joint of transfusion device provided by the present invention and the dropping funnel.The drug-feeding tube 20 that dosing threeway 19 is interconnected by inside, drug discharging tube 21 and dosing mouth 22 constitute: the far-end of drug-feeding tube 20 is communicated with taper joint 11 by the grafting with plastic flexible pipe 6; The far-end of drug discharging tube 21 is communicated with dropping funnel 7 by the grafting with plastic flexible pipe 6; Dosing mouth 22 its intrasegmental parts far away are and the vertebral foramen of the taper nipple of syringe coupling; Its outside be screw thread or.Far-end at dosing mouth 22 seals dosing mouth 22 with a seal cover 23; There is the female thread with 22 far away sections external screw-threads of dosing mouth or projection coupling the ring wall inside of described seal cover 23, and there is the conical head that mates with dosing mouth 22 intrasegmental part taper holes far away in described seal cover 23 top board central authorities; When seal cover 23 on the dosing mouth 22 when screwing just with 22 sealings of dosing mouth.Like this time with the supporting use of transfusion bag provided by the present invention, if the mouthpiece of transfusion bag 3 is a plastic rigid pipe, will dosing in transfusion device in infusion process, can earlier 6 folders of the plastic flexible pipe between taper joint 11 and the dosing threeway 19 be closed, outward winding the then seal cover 23 of dosing mouth 22 in the dosing threeway 19, the vertebral foramen that the syringe taper nipple that sucks injection is inserted dosing mouth 22 intrasegmental parts far away screws, can dosing in transfusion device.Threaten the problem of patient safety with regard to having avoided coming off like this by the rubber cap buffings that dosing may cause in transfusion device of puncture on the dropping funnel 7.

Claims (14)

1. transfusion bag, it is single port pipe transfusion bag, comprise composite cover, mouthpiece and sack, bonding or heat seal welding after mouthpiece top and the composite cover socket, the bottom of mouthpiece and sack heat seal welding, described composite cover is made of medicine discharging nozzle and capping, it is characterized in that: the taper hole that the last intrasegmental part of described medicine discharging nozzle is and syringe taper nipple mates, there are screw thread or two projections that distribute relatively in the outside, and hypomere is its bore of straight tube and belled mouthpiece coupling; There is the female thread with medicine discharging nozzle epimere external screw-thread or projection coupling the ring wall inside of capping, and there is the closeouts with the inner taper hole coupling of medicine discharging nozzle epimere in capping top board central authorities; When capping is screwing on the medicine discharging nozzle after the medicine discharging nozzle sealing, the sealing ring that can tear of reuse is enclosed within the outside of capping bottom and medicine discharging nozzle hypomere straight tube, with welding or bonding method by sealing ring with the gap closing between capping and the medicine discharging nozzle.
2. one kind and the matching used transfusion device of above-mentioned transfusion bag, comprise plastic flexible pipe and by its sequential dropping funnel that links together, liquid medicine filter, venipuncture needle be positioned at the flow regulator that dropping funnel below is stuck in the plastic flexible pipe outside, it is characterized in that: the other end of the plastic flexible pipe that links to each other with the dropping funnel top, what connect is taper joint, the cone of axially extending bore is mated, has in described taper joint, epimere for the taper hole with its matching used transfusion bag medicine discharging nozzle; Hypomere is energy and the belled straight tube of plastic flexible pipe.
3. according to the transfusion bag that claim 1 provided, it is characterized in that: the top of capping ring wall outside can evenly be provided with the vertical crest line of at least two projectioies.
4. according to the transfusion bag that claim 1 provided, it is characterized in that: the bottom of medicine discharging nozzle hypomere straight tube can be provided with two symmetric fins.
5. according to the transfusion bag that claim 1 provided, it is characterized in that: the closeouts of the inner taper hole coupling of capping top board central authorities and medicine discharging nozzle epimere can be conical head or sealing ring.
6. according to the transfusion bag that claim 1 provided, it is characterized in that: can also wrap capping and medicine discharging nozzle hypomere with butterfly piece up and down respectively.
7. according to transfusion device that claim 2 provided, it is characterized in that: taper joint can also be provided with fastening cap, fastening cap is connected as a single entity with it at the root of taper joint cone, in the fastening cap ring wall screw thread is arranged, the external screw thread of the composite cover medicine discharging nozzle of screw thread and above-mentioned matching used transfusion bag or projection coupling.
8. according to the transfusion device that claim 2 provided, it is characterized in that: taper joint can also be provided with the dosing mouth.
9. the transfusion device that is provided according to Claim 8, it is characterized in that: dosing mouth that is provided with in the taper joint and taper joint hypomere and the belled straight tube of plastic flexible pipe are connected as a single entity, there is an axial pass-through holes in dosing mouth central authorities, the infusion channel UNICOM of the through hole of its nearly intrasegmental part and taper joint inside, the vertebral foramen that intrasegmental part far away be and the taper nipple of syringe mates; Its outside is the projection of screw thread or two symmetrical distributions, the dosing mouth is sealed with a seal cover far away section of dosing mouth, there is the female thread with dosing mouth section far away external screw-thread or projection coupling the ring wall inside of described seal cover, and there is the closeouts with dosing mouth intrasegmental part taper hole coupling far away in described seal cover top board central authorities; When screwing on the dosing mouth, just the dosing mouth is sealed seal cover.
10. the transfusion device that provides according to claim 9, it is characterized in that: the closeouts of the dosing mouth seal cover top board central authorities that are provided with in the taper joint can be conical head, sealing ring or sealing gasket.
11., it is characterized in that: a dosing threeway can also be set between the taper joint of transfusion device and the dropping funnel according to the transfusion device that claim 2 provided.
12. transfusion device according to claim 11 confession, it is characterized in that: drug-feeding tube, drug discharging tube and the dosing mouth that threeway is interconnected by inside that add that is provided with between the taper joint of transfusion device and the dropping funnel constitutes, the far-end of drug-feeding tube by and the grafting of plastic flexible pipe be communicated with taper joint; The far-end of drug discharging tube is communicated with dropping funnel by the grafting with plastic flexible pipe; Its intrasegmental part far away of dosing mouth is and the vertebral foramen of the taper nipple of syringe coupling; Its outside is the projection of screw thread or two symmetrical distributions; Far-end at the dosing mouth seals the dosing mouth with a seal cover; There is the female thread with dosing mouth section far away external screw-thread or projection coupling the ring wall inside of described seal cover, and there is the closeouts with dosing mouth intrasegmental part taper hole coupling far away in described seal cover top board central authorities; When screwing on the dosing mouth, just the dosing mouth is sealed seal cover.
13. the transfusion device according to claim 12 confession is characterized in that: the closeouts of the seal cover top board central authorities of the dosing mouth far-end of the dosing threeway that is provided with between the taper joint of transfusion device and the dropping funnel can be conical head, sealing ring or sealing gasket.
14. according to the transfusion bag that claim 1 provided, it is characterized in that: the capping of composite cover and sealing ring can also be made into conjoined structure in advance.
CN200910131639A 2008-11-03 2009-04-13 Infusion bag and infusion apparatus matched with same Pending CN101721309A (en)

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Application Number Priority Date Filing Date Title
CN200810172245.7 2008-11-03
CN200910131639A CN101721309A (en) 2008-11-03 2009-04-13 Infusion bag and infusion apparatus matched with same

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103405338A (en) * 2013-09-06 2013-11-27 苏州创扬医药包装科技有限公司 Threaded infusion bag connector and preparation method thereof
CN105148353A (en) * 2015-10-12 2015-12-16 山东康力医疗器械科技有限公司 Pre-encapsulated infusion apparatus and preparation method thereof
CN105816933A (en) * 2016-05-19 2016-08-03 四川大学华西医院 Transfusion device
CN106964060A (en) * 2017-05-12 2017-07-21 王芳 A kind of department of traditional Chinese medicine diagnosis and treatment medicament sprinkler

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CN1228996A (en) * 1998-03-18 1999-09-22 王坤山 Disposable multifunction transfusion system
CN1318999A (en) * 1998-09-22 2001-10-24 弗雷泽纽斯卡比股份公司 Container for intravenous administration
EP1491177A1 (en) * 2003-06-27 2004-12-29 Nipro Corporation Displaceable-plug-containing filling/discharging port and medical container having the same
CN1867375A (en) * 2003-10-15 2006-11-22 费森尤斯卡比德国有限公司 Connector for medical liquid-containing packages and medical liquid-containing packages
CN101299983A (en) * 2005-10-30 2008-11-05 麦迪麦珀医疗工程有限公司 Needleless additive control valve
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CN103405338A (en) * 2013-09-06 2013-11-27 苏州创扬医药包装科技有限公司 Threaded infusion bag connector and preparation method thereof
CN103405338B (en) * 2013-09-06 2016-01-27 苏州创扬医药包装科技有限公司 A kind of threaded infusion bag opener and preparation method thereof
CN105148353A (en) * 2015-10-12 2015-12-16 山东康力医疗器械科技有限公司 Pre-encapsulated infusion apparatus and preparation method thereof
CN105816933A (en) * 2016-05-19 2016-08-03 四川大学华西医院 Transfusion device
CN106964060A (en) * 2017-05-12 2017-07-21 王芳 A kind of department of traditional Chinese medicine diagnosis and treatment medicament sprinkler

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Application publication date: 20100609