CN209529690U - A kind of infusion medicine-feeding twoport interface tube integral cap - Google Patents
A kind of infusion medicine-feeding twoport interface tube integral cap Download PDFInfo
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- CN209529690U CN209529690U CN201821803969.2U CN201821803969U CN209529690U CN 209529690 U CN209529690 U CN 209529690U CN 201821803969 U CN201821803969 U CN 201821803969U CN 209529690 U CN209529690 U CN 209529690U
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Abstract
The utility model provides a kind of infusion medicine-feeding twoport interface tube integral cap, it is characterized in that, including twoport interface tube integral cap ontology, the twoport interface tube integral cap ontology includes interface for connecting with infusion vessel and is formed in the chemical feed pipe and perfusion tube being connected on the upside of the interface and with the interface, the inner cavity of the chemical feed pipe is by being divided into upper cavity and lower chamber every liquid film, the twoport interface tube integral cap ontology further includes thermoplastic elastomer (TPE) rubber mat, thermoplastic elastomer (TPE) rubber mat is formed in the upper cavity, and thermoplastic elastomer (TPE) rubber mat is fixedly connected with upper cavity inner sidewall and/or every liquid film.The utility model makes thermoplastic elastomer (TPE) rubber mat not easily to fall off, can be avoided pollution, improves safety in utilization.
Description
Technical field
The utility model relates to a kind of infusion medicine-feeding twoport interface tube integral caps.
Background technique
In the prior art, a soft bag needs to be packed for infusion medicine-feeding twoport interface tube integral cap with a set of transfusion flexible bag
(also referred to as special bivalve interface), it includes dosing twoport that the transfusion flexible bag, which is packed for infusion medicine-feeding twoport interface tube integral cap,
Interface tube ontology 16 and the rubber sheet gasket 15 being located therein, rubber sheet gasket 15 also can be replaced thermoplastic elastomer (TPE) (TPE) pad
Piece, the dosing double bimouth pipe interface body 16 include chemical feed pipe 2 and perfusion tube 2.1, and rubber sheet gasket 15 is set in chemical feed pipe 2
Every the upside of liquid film 4,2 nozzle of chemical feed pipe is equipped with pad pasting 3, and 2.1 top of perfusion tube is filling exit 12, and lower part is catheter 5, infusion
Pipe 2.1 is used for filling liquid medicine with when being infused, and on liquid medicine filling pipeline, the filling mouth on machine protrudes into filling exit 12, machine
Taper is touched with 12 taper of filling exit in device filling mouth, filling liquid medicine；2.1 top of perfusion tube forms welding ring 11, welding ring 11
It is welded with another lid by hot melting way.When preparation, part dosing twoport interface tube sheet is first processed respectively with injection molding
Body 16 processes rubber sheet gasket 15 with sulfidization molding；First rubber sheet gasket 15 is pressed into 2 upper cavity of chemical feed pipe, rubber sheet gasket is buckled
Mouth 14 heats inside bunching by cover assembling machine and forms button mouth, and rubber sheet gasket 15 is prevented to fall；The hot melt of pad pasting 3 is attached to rubber pad again
On piece button mouth 14, it is assembled into dosing double bimouth pipe interface product.The shortcomings that above structure is dosing double bimouth pipe interface body 16 and rubber
Glue gasket 15 needs mating corresponding production equipment, technique respectively and assembles equipment to produce, and process is various, complicated, qualified
Rate is low, and equipment investment is more, takes up a large area, the wasting of resources.Dosing double bimouth pipe interface body 16 produces respectively with rubber sheet gasket 15
After processing single product, dosing double bimouth pipe interface body 16 and rubber sheet gasket 15 need first to carry out once to organize lid process, combine
Complete dosing twoport interface tube is combined with infusion bottle or infusion bag again for the second time, this set of dosing twoport interface tube is set matched
Very big cost is put into standby, product production run, product is finally completed the operation needed by multiple production process, each
Operation has certain defect rate, therefore not only qualification rate is low for combined cap product at present, but also there is the wind repeatedly polluted
Danger.Dosing twoport interface tube often occurs rubber pad in clinical use and is needled into phenomenon in infusion vessel by resin.
Summary of the invention
The purpose of the utility model is to provide a kind of infusion medicine-feeding twoport interface tube integral caps, can reduce and are produced into
This, improves safety.
In order to achieve the above object, the utility model provides a kind of infusion medicine-feeding twoport interface tube integral cap, feature
It is, including twoport interface tube integral cap ontology, the twoport interface tube integral cap ontology includes for connecting with infusion vessel
The interface connect and the chemical feed pipe and perfusion tube that are formed in interface upside and are connected with the interface, the inner cavity of the chemical feed pipe
By being divided into upper cavity and lower chamber every liquid film, the twoport interface tube integral cap ontology further includes thermoplastic elastomer (TPE) glue
Pad, thermoplastic elastomer (TPE) rubber mat are formed in the upper cavity, and thermoplastic elastomer (TPE) rubber mat is with upper cavity inner sidewall and/or every liquid
Film is fixedly connected.
Preferably, the twoport interface tube integral cap ontology uses more material double-shot mouldings, thermoplastic elastomer (TPE)
Rubber mat is with upper cavity inner wall and/or every liquid film close adhesion.
Preferably, it is described every liquid film be plane, upper concave curved surface or lower convex surface.
Preferably, the cross section of the outer wall of the perfusion tube and/or inner wall is round, ellipse or class ellipse.
Preferably, the cross section of the upper cavity of the chemical feed pipe and/or the outer wall of lower chamber and/or inner wall be it is round,
Ellipse or class ellipse.
Preferably, the top outer diameter of the chemical feed pipe and/or perfusion tube is bigger than lower outer diameter
It is highly preferred that the top of the chemical feed pipe and/or perfusion tube is cylindrical or inverted round table shape.
Preferably, the perfusion tube includes infusion tube body and the filling exit for being formed in perfusion tube bodies top, institute
The infusion tube body stated is formed in the upside of the interface and is connected with the interface.
Preferably, formed in the interface there are two catheter, the upper end of two catheters respectively with dosing
Pipe is connected to perfusion tube, and lower end is all connected to infusion vessel.
It is highly preferred that the cross section of the catheter is round, ellipse or class ellipse.
It is highly preferred that the catheter is cylinder, alternatively, the lower end of the catheter is up-small and down-big loudspeaker
Mouthful.
Preferably, the upper surface of the thermoplastic elastomer (TPE) rubber mat is equipped at least one and is used to form the recessed of pinprick
Slot.
Preferably, the top of the perfusion tube be formed with for can be by the of the film for the seal of tube of being infused or lid connection
One welding ring.
It is highly preferred that the top of the chemical feed pipe be also formed with for can by film that chemical feed pipe upper cavity seals or
Cover the second welding ring of connection.
Further, first welding ring and the second welding ring are respectively independent, or both collectively form an ellipse
Shape, class ellipse or 8-shaped welding ring.
Further, the middle part of the ellipse, class ellipse or 8-shaped welding ring is equipped with glue-feeder.
Preferably, the top of the chemical feed pipe is equipped at least one exhaust for playing scavenging action in injection moulding process
Hole.
It is highly preferred that the vent shape is round, ellipse or class ellipse.
Preferably, the thermoplastic elastomer (TPE) rubber mat is configured to the part thickeied at least one；And/or institute
The lower surface for the thermoplastic elastomer (TPE) rubber mat stated is configured to: when the thermoplastic elastomer (TPE) rubber mat is needled to form pin hole,
When the pressure of medical fluid, it can be gathered to pin hole around the lower surface pin hole of thermoplastic elastomer (TPE) rubber mat by transfusion flexible bag
Hold together, so that the pin hole on thermoplastic elastomer (TPE) rubber mat be made to be closed；And/or in the lower surface of the thermoplastic elastomer (TPE) rubber mat
Portion is lower than the edge of lower surface.
It is highly preferred that the part of the thickening is located at the middle part of thermoplastic elastomer (TPE) rubber mat, thermoplastic elastomer (TPE) rubber mat
Middle part it is thicker than the edge of thermoplastic elastomer (TPE) rubber mat.
Preferably, the lower part of the thermoplastic elastomer (TPE) rubber mat be configured to entirety or middle part in inverted truncated cone-shaped,
One of cylindrical and segment-shaped or combinations thereof.
Preferably, the entirety of the lower surface of the thermoplastic elastomer (TPE) rubber mat or middle part are spherical.
Preferably, the upside of the chemical feed pipe is equipped with film or lid for sealing upper cavity.
It is highly preferred that described for by film that upper cavity seals or covering as tearable pad pasting, draw-ring type gland, Easy-folding gland
Or easily pull formula gland.
It is highly preferred that the draw-ring type gland includes the gland body being placed on the upside of chemical feed pipe, the edge of gland body
It can be separated by means of external force with middle part, the middle part of gland body connects pull ring, when the edge of gland body and middle part separate
When, the edge of gland body is retained on the upside of chemical feed pipe；The Easy-folding gland includes the gland sheet being placed on the upside of chemical feed pipe
Body, gland body are equipped at least one infusion hole for allowing needle to pass through, are equipped with handle easy to break in the infusion hole of gland body, easily
Folding handle is linked together with gland body, and handle easy to break can be disconnected from each other by means of external force with gland body, and then is exposed defeated
Fluid apertures；The formula gland of easily pulling includes the gland body being placed on the upside of chemical feed pipe, and gland body is equipped with what permission needle passed through
Infusion hole is equipped with easy spanner handle in the infusion hole of gland body, and easy spanner handle is linked together with gland body, easy spanner handle with press
Lid ontology can be disconnected from each other by means of external force, and then exposes infusion hole.
It is highly preferred that the handle easy to break is arranged along the direction perpendicular to gland body upper surface, the easy spanner
Handle is along the direction setting for being parallel to gland body upper surface.
Preferably, the upper surface of the thermoplastic elastomer (TPE) rubber mat is sprayed with silicone oil.
Compared with prior art, the beneficial effects of the present invention are:
1, the twoport interface tube integral cap ontology of the utility model includes the interface and shape for connecting with infusion vessel
At in the chemical feed pipe and the perfusion tube interface upside and be connected with the interface, the dosing tube cavity every liquid film by being divided into
Upper cavity and lower chamber, the twoport interface tube integral cap ontology further includes thermoplastic elastomer (TPE) rubber mat, thermoplastic elastomer (TPE)
Rubber mat is formed in the upper cavity, and thermoplastic elastomer (TPE) rubber mat is fixedly connected with upper cavity inner sidewall and/or every liquid film, so that
Thermoplastic elastomer (TPE) rubber mat is not easily to fall off, can be avoided pollution, improves safety in utilization.
2, the utility model is integrally formed using more material double-shot mouldings, is changed original secondary combination assembly, is reduced life
Cost is produced, avoids repeatedly assembling bring pollution.
3, the part that there is the elastomer of the utility model at least one to thicken improves part rebound effect, so that steel
Perforation closing time of the needle on thermoplastic elastomer (TPE) rubber mat shortens, and moment closes after steel needle extracts thermoplastic elastomer (TPE) rubber mat
It closes, prevents the phenomenon of leakage.
4, the lower surface of the thermoplastic elastomer (TPE) rubber mat of the utility model is configured to: when the thermoplastic elastomer (TPE) glue
Pad is needled to form pin hole, the pressure around the lower surface pin hole of thermoplastic elastomer (TPE) rubber mat by the medical fluid in transfusion flexible bag
When power, can gather to pin hole, so that the pin hole on thermoplastic elastomer (TPE) rubber mat be made to be closed, the utility model it is normal every liquid film
In the case of be bonded together with thermoplastic elastomer (TPE) ontology, when steel needle puncture thermoplastic elastomer (TPE) ontology with after liquid film,
Steel needle and thermoplastic elastomer (TPE) ontology are held tightly together, when infusion terminates to extract steel needle, initial thermoplastic elastomer (TPE) sheet
Body and steel needle can move out a distance simultaneously, and steel needle exits after liquid film layer, and thermoplastic elastomer (TPE) ontology divides with every liquid film
From；When extracting steel needle in piercing thermoplastic elastomer (TPE) rubber mat, remaining liq pressure effect in thermoplastic elastomer (TPE) rubber mat receptor
Under be pressed down against, promote the pin hole rapid closing on thermoplastic elastomer (TPE) rubber mat, seal liquid medicine, avoid pulling out needle leakage.
4, the middle part of the lower surface of the thermoplastic elastomer (TPE) rubber mat of the utility model is lower than the edge of lower surface, is being infused
When transfusion flexible bag be inverted, be located in the lower surface of thermoplastic elastomer (TPE) rubber mat due to the pin hole on thermoplastic elastomer (TPE) rubber mat
Portion, when being infused defeated most, the pin hole on thermoplastic elastomer (TPE) rubber mat exposes liquid level at first, also can avoid pulling out needle leakage.
5, since the face C of the integral cap of the utility model coats medical grade silicone oil, when needle pierces thermoplastic elastomer (TPE) rubber mat
When, since the face C silicone oil acts on, thermoplastic elastomer (TPE) rubber mat can be easily pierced through, force of piercing is alleviated, and it is existing not have back stitching
As.Thermoplastic elastomer (TPE) rubber mat reduces the fragmentation in penetration process under the action of silicone oil.
6, the utility model changes original double bimouth pipe interface structure, using dual-color forming technology, by twoport interface tube sheet
Body and rubber mat are formed by single injection-molded, constitute twoport interface tube integral cap, then additional tearable pad pasting, draw-ring type gland,
Wrench-type gland easily pulls formula gland etc., to achieve the effect that add combined cap can be only achieved with original interface.
Detailed description of the invention
Fig. 1 is that prior art transfusion flexible bag is packed for infusion medicine-feeding twoport interface tube integral cap figure；
Fig. 2 is that prior art transfusion flexible bag is packed for infusion medicine-feeding double bimouth pipe dosing double bimouth pipe interface body figure；
Fig. 3 is that prior art transfusion flexible bag is packed for infusion medicine-feeding double bimouth pipe explosive view；
Fig. 4 is that prior art transfusion flexible bag is packed for infusion medicine-feeding double bimouth pipe cross-sectional view.
Fig. 5 is that the infusion medicine-feeding twoport interface tube integral cap in embodiment 1 uses schematic diagram；
Fig. 6 is the infusion medicine-feeding twoport interface tube integral cap structural schematic diagram in embodiment 1；
Fig. 7 is the infusion medicine-feeding twoport interface tube integral cap explosive view in embodiment 1；
Fig. 8 is that the infusion medicine-feeding twoport interface tube integral cap in embodiment 2 uses schematic diagram.
Fig. 9 is the infusion medicine-feeding twoport interface tube integral cap structural schematic diagram in embodiment 2；
Figure 10 is the infusion medicine-feeding twoport interface tube integral cap explosive view in embodiment 2；
Figure 11 is the thermoplastic elastomer (TPE) rubber mat force diagram in Examples 1 and 2；
Figure 12 is that the infusion medicine-feeding twoport interface tube integral cap in embodiment 3 uses schematic diagram；
Figure 13 is the infusion medicine-feeding twoport interface tube integral cap structural schematic diagram in embodiment 3；
Figure 14 is the infusion medicine-feeding twoport interface tube integral cap explosive view in embodiment 3；
Figure 15 is that the infusion medicine-feeding twoport interface tube integral cap in embodiment 4 uses schematic diagram.
Figure 16 is the infusion medicine-feeding twoport interface tube integral cap structural schematic diagram in embodiment 4；
Figure 17 is the infusion medicine-feeding twoport interface tube integral cap explosive view in embodiment 4；
Figure 18 is the thermoplastic elastomer (TPE) rubber mat force diagram in embodiment 3 and 4；
Figure 19 is that the infusion medicine-feeding twoport interface tube integral cap in embodiment 5 uses schematic diagram；
Figure 20 is the infusion medicine-feeding twoport interface tube integral cap structural schematic diagram in embodiment 5；
Figure 21 is the infusion medicine-feeding twoport interface tube integral cap explosive view in embodiment 5；
Figure 22 is that the infusion medicine-feeding twoport interface tube integral cap in embodiment 6 uses schematic diagram.
Figure 23 is the infusion medicine-feeding twoport interface tube integral cap structural schematic diagram in embodiment 6；
Figure 24 is the infusion medicine-feeding twoport interface tube integral cap explosive view in embodiment 6；
In figure, 1, thermoplastic elastomer (TPE) rubber mat, 2 be chemical feed pipe, 2.1 perfusion tubes, 3, pad pasting, 4, every liquid film, 5, infusion
Pipe, 5.1, catheter, 6, groove, 7, transfusion flexible bag, 8, gas vent, 9 welding rings, 11, welding ring, 12, filling exit, 14, rubber
Gasket buckles mouth, 15, rubber sheet gasket, 16, dosing double bimouth pipe interface body, 17, interface, 18, Impact direction, and 19, extract direction,
3.1 gland bodies, 3.1.1 handle easy to break, the easy spanner handle of 3.2.1
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
Embodiment 1
As illustrated in figs. 5-7, the infusion medicine-feeding twoport interface tube integral cap of the present embodiment, including use more material double-shot mouldings
Twoport interface tube integral cap ontology made of forming, the twoport interface tube integral cap ontology include for transfusion flexible bag 7
The interface 17 of connection and the chemical feed pipe 2 and perfusion tube 2.1 for being formed in 17 upside of the interface and being connected with the interface 17, it is described
By being divided into upper cavity and lower chamber every liquid film 4, the twoport interface tube integral cap ontology further includes heat for the inner cavity of chemical feed pipe 2
Thermoplastic elastic rubber mat 1, thermoplastic elastomer (TPE) rubber mat 1 are formed in the upper cavity, and thermoplastic elastomer (TPE) rubber mat 1 and upper cavity
Inner sidewall is fixedly connected with every 4 close adhesion of liquid film.
The outer wall of the perfusion tube 2.1 and the cross section of inner wall are circle.The upper cavity and cavity of resorption of the chemical feed pipe 2
The outer wall of body and the cross section of inner wall are circle.The top outer diameter of the chemical feed pipe 2 and perfusion tube 2.1 compares lower outer diameter
Greatly, the top of the chemical feed pipe 2 and perfusion tube 2.1 is cylinder, the top and lower part of chemical feed pipe 2 and perfusion tube 2.1 it
Between be all stepped transition.
The perfusion tube 2.1 includes infusion tube body and is formed in the filling exit 12 of perfusion tube bodies top, described
Infusion tube body be formed in the upside of the interface 17 and be connected with the catheter 5.1 in the interface 17.The interface
It is formed in 17 there are two catheter 5.1, the upper end of two catheters 5.1 connects with chemical feed pipe 2 and perfusion tube 2.1 respectively
Logical, lower end is all connected to transfusion flexible bag 7.The cross section of the catheter 5.1 is circle.The catheter 5.1 is cylinder
Shape.
The top of the perfusion tube 2.1 is formed with for the first weldering with the lid connection that can seal perfusion tube 2.1
Connect ring 9.The top of the chemical feed pipe 2 is also formed with the second welding ring for connecting with pad pasting 3.First welding ring
9 and second welding ring collectively form a 8-shaped welding ring.The middle part of the 8-shaped welding ring is equipped with glue-feeder 9.1, into
The effect of glue mouth 9.1 is to keep mould structure simpler, mould processing technology, more succinct into adhesive process, easier to operate.
The top of the chemical feed pipe 2 is equipped with a gas vent 8.8 shape of gas vent is circle, in thermoplastic elastic
Scavenging action is played in 1 injection moulding process of body rubber mat, keeps the injection molding of thermoplastic elastomer (TPE) 1 more closely knit.
The thermoplastic elastomer (TPE) rubber mat 1 be configured to middle part thicken, it is described every liquid film 4 be lower convex surface.Thermoplastic
Property elastomer rubber mat 1 lower part be segment-shaped, the edge of the middle part of thermoplastic elastomer (TPE) rubber mat 1 than thermoplastic elastomer (TPE) rubber mat 1
Thickness is to increase screen resilience.
The upper surface of the thermoplastic elastomer (TPE) rubber mat 1 is plane, and lower surface is spherical.When the thermoplastic elastomehc
Property body rubber mat 1 be needled to form pin hole, by transfusion flexible bag around the lower surface pin hole of thermoplastic elastomer (TPE) rubber mat 1
When the pressure of medical fluid, it can gather to pin hole, so that the pin hole on thermoplastic elastomer (TPE) rubber mat 1 be made to be closed.
The middle part of the lower surface of the thermoplastic elastomer (TPE) rubber mat 1 is lower than the edge of lower surface, in infusion, infusion
Dosing twoport interface tube integral cap is inverted, and when being infused defeated most, the resin pin hole on thermoplastic elastomer (TPE) rubber mat 1 exposes liquid at first
Face also can avoid pulling out needle leakage.
The upper surface of the thermoplastic elastomer (TPE) rubber mat 1 is equipped with the groove 6 for being used to form pinprick, for reducing
The thickness (mitigating puncture force) of the weight (cost for reducing infusion double-color cover) of TPE and needle thorn layer, reduces the wind of fragmentation
Danger.
Silicone oil is sprayed in the middle part of the upper surface (face C) of the thermoplastic elastomer (TPE) rubber mat 1.The face C is thermoplastic elastomer (TPE) glue
The working face of pad 1, the face C coat medical grade silicone oil by technique, improve the unsightly phenomenon that product is generated because dry, Du
Particle caused by mutual grazing absolutely, alleviates the strength of puncture of steel needles, reduces the quantity of puncture of steel needles exfoliation.Due to C
Face coats medical grade silicone oil, when steel needle pierces thermoplastic elastomer (TPE) rubber mat 1, since the face C silicone oil acts on, can easily pierce through thermoplastic
Property elastomer rubber mat 1, alleviates force of piercing, and do not have back stitching phenomenon.
The upside of the chemical feed pipe 2 is equipped with the pad pasting 3 for sealing upper cavity, for liquid medicine and thermoplastic elastic to be isolated
The contact of body rubber mat 1, the face C to avoid the pollution thermoplastic elastomer (TPE) rubber mat 1 such as dust during transportation, bacterium (used
Cheng Zhongxu is first with tearing pad pasting 3).
When production, with more material bicolor injection moulds, primary injection molding goes out double bimouth pipe and connects on more material double coloured plastic injection machines
Mouthful integral cap ontology, except the outer rest part of thermoplastic elastomer (TPE) rubber mat 1 uses PP material, make thermoplastic elastomer (TPE) rubber mat 1 and
It 2 upper cavity inner sidewall of chemical feed pipe and holds tightly together every liquid film 4；On laminator on thermoplastic elastomer (TPE) rubber mat 1 table
Face spray medical grade silicone oil, after by pad pasting 3 with heat melt be attached to twoport interface tube integral cap ontology chemical feed pipe 2 top surface second weld
It connects and is packaged on ring；Infusion medicine-feeding twoport interface tube integral cap and the hot melt of transfusion flexible bag 7 are connected into one on transfusion filling line
Body.
In use, on assembly line through filling exit 12 into transfusion flexible bag 7 after filling liquid medicine, by the first of perfusion tube 2.1
Welding ring 9 is welded with the lid that can seal perfusion tube 2.1 by hot melting way.Under normal circumstances, every liquid film 4 and thermoplastic elastomehc
Property body rubber mat 1 be bonded together, when steel needle puncture thermoplastic elastomer (TPE) rubber mat 1 with behind liquid film 4, steel needle and thermoplasticity
Elastomer rubber mat 1 is held tightly together, as shown in figure 11, when steel needle is extracted along extraction direction 19, thermoplastic elastomer (TPE) glue
Pad 1 and steel needle can move out a distance simultaneously, since the relationship of reaction force makes every liquid film 4 and thermoplastic elastomer (TPE) rubber mat
1 separation, when steel needle is extracted after liquid film 4 and thermoplastic elastomer (TPE) rubber mat 1,1 energy rapid closing of thermoplastic elastomer (TPE) rubber mat is sealed
Liquid medicine.
In the detection process, the fluid pressure in container can focus at liquid film 4, when steel needle pierces through thermoplastic elastomer (TPE)
Rubber mat 1 with every liquid film 4 and extract after, due to thermoplastic elastomer (TPE) rubber mat 1 with it is separated every liquid film 4, when the liquid pressure in container
When power rises, as shown in figure 11, due to the radian of 1 lower surface of thermoplastic elastomer (TPE) rubber mat, thermoplastic elastic under pressure
Body rubber mat 1 can be extruded on Impact direction 18, promote the pin hole on thermoplastic elastomer (TPE) rubber mat 1 to be closed, to reach sealing
Effect solves the phenomenon of leakage.
During steel needle pierces through thermoplastic elastomer (TPE) rubber mat 1, in addition to preventing thermoplastic elastomer (TPE) rubber mat 1 every liquid film 4
Be pierced inside and outside transfusion flexible bag 7, in injection moulding process thermoplastic elastomer (TPE) rubber mat 1 and chemical feed pipe upper cavity and every liquid film 4
Adhesion is integral, has further prevented thermoplastic elastomer (TPE) rubber mat 1 and has been pierced phenomenon inside and outside transfusion flexible bag 7.
Embodiment 2
As illustrated in figs. 8-11, the infusion medicine-feeding twoport interface tube integral cap of the present embodiment is similar to embodiment 1, and difference exists
In the top of the perfusion tube 2.1 is inverted truncated cone-shaped, does not use step between the top and lower part of perfusion tube 2.1
Transition, the lower end of catheter 5.1 is up-small and down-big horn mouth, clean conducive to liquid flow in transfusion flexible bag 7 when function is inversion,
Not residual liquid in transfusion flexible bag 7.The top of the chemical feed pipe 2 is not provided with gas vent 8.First welding ring 9 and the second welding
Ring is respectively independent, is not connected to mutually, is not provided with glue-feeder 9.1.
Embodiment 3
As shown in Figure 12-14 and Figure 18, the infusion medicine-feeding twoport interface tube integral cap of the present embodiment is similar to embodiment 1,
Difference is, the pad pasting 3 is replaced with Easy-folding gland, the Easy-folding gland includes being placed in 2 upside of chemical feed pipe
Gland body 3.1, gland body 3.1 are equipped with the infusion hole for allowing injection needle to pass through, set in the infusion hole of gland body
There are handle 3.1.1 easy to break, handle 3.1.1 easy to break to be linked together with gland body 3.1, handle 3.1.1 easy to break and gland body
3.1 can be disconnected from each other by means of external force, and then exposes infusion hole.The handle 3.1.1 easy to break is along perpendicular to gland body
3.1 the direction of upper surface is arranged.
The function of Easy-folding gland avoids the pollution such as dust, bacterium thermoplastic elastomer (TPE) rubber mat 1 during transportation
The face C (the handle 3.1.1 easy to break that first fractures is needed in use process, when fracture handle 3.1.1 after, expose infusion hole supply all kinds of pin punctures
It uses, the cricoid gland body 3.1 stayed on chemical feed pipe 2 can prevent the thermoplastic when steel needle exits thermoplastic elastomer (TPE) rubber mat 1
Property elastomer rubber mat 1 is separated with 2 upper cavity of chemical feed pipe and is fallen.
When production, with more material bicolor injection moulds, primary injection molding goes out double bimouth pipe and connects on more material double coloured plastic injection machines
Mouthful integral cap ontology, except the outer rest part of thermoplastic elastomer (TPE) rubber mat 1 uses PP material, make thermoplastic elastomer (TPE) rubber mat 1 and
It 2 upper cavity inner sidewall of chemical feed pipe and holds tightly together every liquid film 4；On laminator on thermoplastic elastomer (TPE) rubber mat 1 table
Face sprays medical grade silicone oil, after hot melt of Easy-folding gland be attached to the top surface of twoport interface tube integral cap ontology chemical feed pipe 2
It is packaged in second welding ring；Infusion medicine-feeding twoport interface tube integral cap is heated with transfusion flexible bag 7 on transfusion filling line
It is connected into one.
Embodiment 4
As shown in figures 15-18, the infusion medicine-feeding twoport interface tube integral cap of the present embodiment is similar to embodiment 3, and difference exists
In the top of the perfusion tube 2.1 is inverted truncated cone-shaped, does not use step between the top and lower part of perfusion tube 2.1
Transition, the lower end of catheter 5.1 is up-small and down-big horn mouth, clean conducive to liquid flow in transfusion flexible bag 7 when function is inversion,
Not residual liquid in transfusion flexible bag 7.The top of the chemical feed pipe 2 is not provided with gas vent 8.First welding ring 9 and the second welding
Ring is respectively independent, is not connected to mutually, is not provided with glue-feeder 9.1.
Embodiment 5
As shown in figs. 19-21, the infusion medicine-feeding twoport interface tube integral cap of the present embodiment is similar to embodiment 1, and difference exists
In the pad pasting 3 is replaced with and easily pulls formula gland, the formula gland of easily pulling includes the gland sheet for being placed in 2 upside of chemical feed pipe
Body 3.1, gland body 3.1 are equipped with the infusion hole for allowing injection needle to pass through, are equipped in the infusion hole of gland body 3.1 and easily pull
Handle 3.2.1, easy spanner handle 3.2.1 are linked together with gland body 3.1, and easy spanner handle 3.2.1 and gland body 3.1 can
It is disconnected from each other by means of external force, and then expose infusion hole.The edge easy spanner handle 3.2.1 is parallel to 3.1 upper end of gland body
The direction in face is arranged.
It easily pulls the function of formula gland: avoiding the C of the pollution such as dust, bacterium thermoplastic elastomer (TPE) rubber mat 1 during transportation
Face (needs the handle 3.2.1 easy to break that first fractures, after switch out handle 3.2.1 easy to break, exposes infusion hole and wear for all kinds of needles in use process
Thorn uses, and the cricoid gland body 3.1 stayed on chemical feed pipe 2 can prevent hot when steel needle exits thermoplastic elastomer (TPE) rubber mat 1
Thermoplastic elastic rubber mat 1 is separated with 2 upper cavity of chemical feed pipe and is fallen.
When production, with more material bicolor injection moulds, primary injection molding goes out double bimouth pipe and connects on more material double coloured plastic injection machines
Mouthful integral cap ontology, except the outer rest part of thermoplastic elastomer (TPE) rubber mat 1 uses PP material, make thermoplastic elastomer (TPE) rubber mat 1 and
It 2 upper cavity inner sidewall of chemical feed pipe and holds tightly together every liquid film 4；On laminator on thermoplastic elastomer (TPE) rubber mat 1 table
Face sprays medical grade silicone oil, after will easily pull hot melt of formula gland and be attached to the top surface of twoport interface tube integral cap ontology chemical feed pipe 2
It is packaged in second welding ring；Infusion medicine-feeding twoport interface tube integral cap is heated with transfusion flexible bag 7 on transfusion filling line
It is connected into one.
Embodiment 6
As shown in figs. 22-24, the infusion medicine-feeding twoport interface tube integral cap of the present embodiment is similar to embodiment 5, and difference exists
In the top of the perfusion tube 2.1 is inverted truncated cone-shaped, does not use step between the top and lower part of perfusion tube 2.1
Transition, the lower end of catheter 5.1 is up-small and down-big horn mouth, clean conducive to liquid flow in transfusion flexible bag 7 when function is inversion,
Not residual liquid in transfusion flexible bag 7.The top of the chemical feed pipe 2 is not provided with gas vent 8.First welding ring 9 and the second welding
Ring is respectively independent, is not connected to mutually, is not provided with glue-feeder 9.1.
Claims (17)
1. a kind of infusion medicine-feeding twoport interface tube integral cap, which is characterized in that described including twoport interface tube integral cap ontology
Twoport interface tube integral cap ontology includes interface for connecting with infusion vessel and is formed on the upside of the interface and connects with this
The chemical feed pipe and perfusion tube that mouth is connected, the inner cavity of the chemical feed pipe are described by being divided into upper cavity and lower chamber every liquid film
Twoport interface tube integral cap ontology further includes thermoplastic elastomer (TPE) rubber mat, and thermoplastic elastomer (TPE) rubber mat is formed in the upper cavity,
And thermoplastic elastomer (TPE) rubber mat is fixedly connected with upper cavity inner sidewall and/or every liquid film.
2. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that the twoport interface tube one
Body lid ontology uses more material double-shot mouldings, and thermoplastic elastomer (TPE) rubber mat is closely glued with upper cavity inner wall and/or every liquid film
It closes.
3. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that described every liquid film is flat
Face, upper concave curved surface or lower convex surface；The outer wall of the perfusion tube and/or the cross section of inner wall are that round, ellipse or class are ellipse
It is round；The cross section of the upper cavity of the chemical feed pipe and/or the outer wall of lower chamber and/or inner wall is round, ellipse or class
Ellipse.
4. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that the chemical feed pipe and/or
The top outer diameter of perfusion tube is bigger than lower outer diameter, and the top of the chemical feed pipe and/or perfusion tube is cylindrical or inverted round table
Shape.
5. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that the perfusion tube includes defeated
Liquid pipe ontology and the filling exit for being formed in perfusion tube bodies top, the infusion tube body are formed in the upside of the interface
And it is connected with the interface.
6. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that be formed in the interface
The upper end of two catheters, two catheters is connected to chemical feed pipe and perfusion tube respectively, and lower end all connects with infusion vessel
It is logical；The cross section of the catheter is round, ellipse or class ellipse；The catheter is cylinder, alternatively, described
Catheter lower end be up-small and down-big horn mouth.
7. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that the thermoplastic elastomer (TPE)
The upper surface of rubber mat is equipped at least one and is used to form the groove of pinprick.
8. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that the top of the perfusion tube
Be formed with for can by the film for the seal of tube of being infused or lid connection the first welding ring；The top of the chemical feed pipe is also formed
Have for can be by film that chemical feed pipe upper cavity seals or the second welding ring of lid connection；First welding ring and second
Welding ring is respectively independent, or both collectively form an ellipse, class ellipse or 8-shaped welding ring.
9. infusion medicine-feeding twoport interface tube integral cap as claimed in claim 8, which is characterized in that the ellipse, class are ellipse
Round or 8-shaped welding ring middle part is equipped with glue-feeder.
10. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that the chemical feed pipe it is upper
Portion is equipped at least one gas vent for playing scavenging action in injection moulding process.
11. infusion medicine-feeding twoport interface tube integral cap as claimed in claim 10, which is characterized in that the vent shape
For round, ellipse or class ellipse.
12. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that the thermoplastic elastic
Body rubber mat is configured to the part thickeied at least one；And/or the lower surface of the thermoplastic elastomer (TPE) rubber mat is by structure
It causes: when the thermoplastic elastomer (TPE) rubber mat is needled to form pin hole, the week of the lower surface pin hole of thermoplastic elastomer (TPE) rubber mat
Enclose when the pressure of medical fluid, can be gathered by transfusion flexible bag to pin hole, to make the needle on thermoplastic elastomer (TPE) rubber mat
Hole closure；And/or the middle part of the lower surface of the thermoplastic elastomer (TPE) rubber mat is lower than the edge of lower surface.
13. infusion medicine-feeding twoport interface tube integral cap as claimed in claim 12, which is characterized in that the thermoplastic elastic
The lower part of body rubber mat is configured to entirety or middle part in one of inverted truncated cone-shaped, cylinder and segment-shaped or its group
It closes.
14. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that the upside of the chemical feed pipe
Equipped with the film or lid for sealing upper cavity.
15. infusion medicine-feeding twoport interface tube integral cap as claimed in claim 14, which is characterized in that described to be used for upper cavity
The film or lid of sealing are tearable pad pasting, draw-ring type gland, Easy-folding gland or easily pull formula gland；The draw-ring type gland includes
The gland body being placed on the upside of chemical feed pipe, the edge and middle part of gland body can be separated by means of external force, gland body
Middle part connects pull ring, and when the edge of gland body and middle part separation, the edge of gland body is retained on the upside of chemical feed pipe；It is described
Easy-folding gland include the gland body being placed on the upside of chemical feed pipe, gland body is equipped at least one, and to allow needle to pass through defeated
Fluid apertures is equipped with handle easy to break in the infusion hole of gland body, and handle easy to break is linked together with gland body, handle and gland easy to break
Ontology can be disconnected from each other by means of external force, and then exposes infusion hole；The formula gland of easily pulling includes being placed on the upside of chemical feed pipe
Gland body, gland body, which is equipped with, allows the infusion hole that passes through of needle, is equipped with easy spanner handle in the infusion hole of gland body, easily
Spanner handle is linked together with gland body, and easy spanner handle can be disconnected from each other by means of external force with gland body, and then is exposed defeated
Fluid apertures.
16. infusion medicine-feeding twoport interface tube integral cap as claimed in claim 15, which is characterized in that the handle edge easy to break
Perpendicular to the direction setting of gland body upper surface, the easy spanner handle is set along the direction for being parallel to gland body upper surface
It sets.
17. infusion medicine-feeding twoport interface tube integral cap as described in claim 1, which is characterized in that the thermoplastic elastic
The upper surface of body rubber mat is sprayed with silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803969.2U CN209529690U (en) | 2018-11-03 | 2018-11-03 | A kind of infusion medicine-feeding twoport interface tube integral cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803969.2U CN209529690U (en) | 2018-11-03 | 2018-11-03 | A kind of infusion medicine-feeding twoport interface tube integral cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209529690U true CN209529690U (en) | 2019-10-25 |
Family
ID=68247748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821803969.2U Active CN209529690U (en) | 2018-11-03 | 2018-11-03 | A kind of infusion medicine-feeding twoport interface tube integral cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209529690U (en) |
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2018
- 2018-11-03 CN CN201821803969.2U patent/CN209529690U/en active Active
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