CN105007975A - Cap - Google Patents
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- Publication number
- CN105007975A CN105007975A CN201380073975.0A CN201380073975A CN105007975A CN 105007975 A CN105007975 A CN 105007975A CN 201380073975 A CN201380073975 A CN 201380073975A CN 105007975 A CN105007975 A CN 105007975A
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- CN
- China
- Prior art keywords
- cap
- liquid
- connecting hole
- housing
- male connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/20—Closure caps or plugs for connectors or open ends of tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/20—Closure caps or plugs for connectors or open ends of tubes
- A61M2039/205—Closure caps or plugs for connectors or open ends of tubes comprising air venting means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/24—Check- or non-return valves
- A61M2039/2433—Valve comprising a resilient or deformable element, e.g. flap valve, deformable disc
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A cap (1) used when priming a liquid flow path includes: a case body (10) having a connection hole (12a) to be connected to a connection part (31) provided on the liquid flow path, a liquid storing chamber (21) continuing from the connection hole (12a), and a discharge opening (13) continuing from the liquid storing chamber (21); and a filter (22) formed from a gas-permeable and liquid-impermeable material and is attached to the case body (10) so as to cover the discharge opening (13). The cap is characterized by comprising a seal member (20, 40, 50) which is attached to the case body (10) so as to close the connection hole (12a) and configured in such a manner that the liquid flow path can communicate with the liquid storing chamber (21) when the connection part (31) is connected to the connection hole (12a).
Description
Technical field
The present invention relates to cap, it is such as connected with the connecting portion be arranged on the liquid flow paths such as transfer line, and uses when noting in advance liquid flow path.
Background technology
From just carrying out mixed water injection as follows in the past: the liquid of medicinal liquid etc. is connected other transfer lines by the transfer line that medical pipe is carried in body, and other liquid of mixed water injection anticarcinogen etc. in the liquid flowed in main transfer line.In this case, be provided with the male connectors such as female Luer at the end of other transfer lines, this male connector be inserted in the recessed adapter being located at main transfer line midway and other transfer lines are connected with main transfer line.
When main transfer line connects other transfer lines, in order to prevent the air in the pipe of other transfer lines to be transported in the body of patient, and carried out being the pre-note of liquid by the air displacement in pipe before this connection.Although be marked with multiple method in advance, but exploitation has following technology, note cap is in advance connected with the male connector on the end being located at other transfer lines, and only the air in liquid flow path is discharged to the outside and liquid is remained in liquid flow path to note in advance by this cap.
As this cap, such as in patent documentation 1, record following formation, it is provided with in one end of storage device of the cylindrical shape with internal capacity the first peristome be connected with the opening of male connector, and is provided with on an opposite end and makes gas permeation but the filter not making penetration by liquid.In this cap, when making the air in pipe flow into the inside of storage device via connecting hole when being connected with male connector, this air can be made to pass through from filter and be discharged to the outside.Then, the air in pipe all discharged and makes to be full of by liquid in storage device, completing pre-note thus.
In order to prevent the accident of liquid from flowing out, the male connector be connected with this cap employs the adapter with inner valve, and this inner valve is only opened when being connected with recessed adapter, and on male connector, be provided with the action movie for this inner valve of opening and closing.On the other hand, be movably provided with shell vertically in the outside of the storage device of cap in the past, by operating this shell, press the movement arm of male connector and inner valve can be made open.In addition, male connector is configured to, and removes the pressing of operating sheet and the state that makes male connector return to inner valve to close when taking off cap, and is regained by the liquid after note in advance from the storage device of cap.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Application Publication 2009-522048 publication
Summary of the invention
But in cap in the past, when being taken off from the male connector of transfer line by cap after having noted in advance, the connection hole of storage device, in open state, therefore worries that the liquid remained in storage device externally can spill from connecting hole.Therefore, the cap after cautiously processing pre-note is needed, this inconvenient operation.
The present invention, its object is to for problem with this problem solving conventional art and have, and provides a kind of cap that can prevent liquid from externally spilling when taking off from connecting portion after having noted in advance.
Cap of the present invention has: housing, the aerofluxus opening that this housing has the connecting hole be connected with the connecting portion being arranged at liquid flow path, the liquid accommodating room be connected with this connecting hole and is connected with this liquid accommodating room; And filter, it is by making gas permeation and not making the material of penetration by liquid be formed, install on the housing and cover described aerofluxus opening, this cap uses when noting in advance described liquid flow path, it is characterized in that having seal member, it is installed on the housing and closes described connecting hole, and be configured to when described connecting portion is connected with described connecting hole, described liquid flow path is communicated with described liquid accommodating room.
In the above-described configuration, be preferably, described seal member is made up of elastomer, is the valve body opened when the described connecting portion be made up of male connector is connected with described connecting hole.
In the above-described configuration, be preferably, described seal member is the key that the described connecting portion being formed as needle-like can thrust.
In the above-described configuration, be preferably, be provided with the cover with passage on the housing, described filter deployment is between described housing and described cover.
The effect of invention
According to the present invention, housing installs seal member, sealing parts close the connecting hole be connected with liquid accommodating room, and enable liquid flow path be communicated with liquid accommodating room when being connected with connecting hole by connecting portion, thus when taking off cap from connecting portion, can close by seal member the connecting hole be connected with liquid accommodating room, when therefore taking off cap from connecting portion after having noted in advance, can prevent liquid from externally being spilt by connecting hole from fluid storage room.Particularly, in the pre-note of the liquid flow path for throwing in anticarcinogen, using cap of the present invention, can prevent from thus spilling caused harm based on anticarcinogen from cap.Like this, only with the simple program that cap is taken off from connecting portion after note in advance, liquid just can not be made externally to spill from liquid accommodating room, easily and process cap safely.
According to the present invention, seal member is formed by elastomer, is the valve body opened when the connecting portion be made up of male connector is connected with connecting hole, thereby, it is possible to the seal member of closed connecting hole is set to simple formation, and reduces the cost of this cap.
According to the present invention, seal member is the key that the connecting portion being formed as needle-like can thrust, and the seal member of closed connecting hole can be set to simple formation thus, and reduce the cost of this cap.
According to the present invention, housing is provided with the cover with passage, filter deployment, between housing and cover, can make the installation constitution simplicity of filter thus.In addition, because filter can be protected by cover, so can filter breaks be prevented and cause liquid to spill from liquid accommodating room.
Accompanying drawing explanation
Fig. 1 represents the key diagram using as the state before the cap of an embodiment of the present invention is connected with transfer line.
Fig. 2 is the axonometric chart specifically representing the cap shown in Fig. 1.
Fig. 3 is the sectional view of the cap shown in Fig. 2.
Fig. 4 is the axonometric chart specifically representing the male connector shown in Fig. 1.
Fig. 5 is the sectional view of the state that the cap shown in Fig. 2 is connected with male connector.
Fig. 6 is the axonometric chart of the variation representing the cap shown in Fig. 2.
Fig. 7 is the sectional view of the cap shown in Fig. 6.
Fig. 8 is the sectional view of the state that the cap shown in Fig. 6 is connected with male connector.
Fig. 9 is the variation of the cap shown in Fig. 7 and is the sectional view when employing key as seal member.
Detailed description of the invention
Below, the cap as an embodiment of the present invention is illustrated with reference to accompanying drawing examples.
Cap 1 as an embodiment of the present invention is also referred to as pre-note cap, as shown in Figure 1, such as, uses when noting in advance transfer line 2.
This transfer line 2 is connected with the main transfer line (not shown) throwing in the liquid such as medicinal liquid to patient, and for main transfer line mixed water injection anticarcinogen, it has: the transfusion bag 3 receiving the anticarcinogen adjusted; With the medical pipe 5 be connected with transfusion bag 3 via adapter 4 and the male connector 6 be connected with the end of pipe 5.Be provided with recessed adapter in the midway of main transfer line, this recessed adapter connect the male connector 6 of transfer line 2, thus can from transfer line 2 by anticarcinogen mixed water injection to main transfer line.In addition Reference numeral 7 is fixed instillation folders open when throwing in the anticarcinogen from transfer line 2.
In order to prevent before being connected with main transfer line by transfer line 2, the air in the pipe 5 of transfer line 2 is transported in the body of patient, and carries out being the pre-note of anticarcinogen by the air displacement in the liquid flow path of i.e. transfer line 2 in pipe 5.The male connector 6 of end of cap 1 of the present invention with the liquid flow path being located at transfer line 2 is connected, thus can easily and note in advance safely.
As shown in Figure 2 and Figure 3, cap 1 has housing 10.This housing 10 has body portion 11 and is fixed on the adapter portion 12 of one end in this body portion 11.
Body portion 11 is formed as cylindric by resin material, on the opening of its one end by press-in, bonding, fuse fixing meanss such as (welding) and be fixed with adapter portion 12.Body portion 11 is not defined as resin material and can be formed by various material, but is preferably such as formed by transparent resin material, and it is inner to make it possible to visuognosis.
Adapter portion 12 is formed as roughly cylindric by resin material, and this is roughly cylindric has the path part being fixed on large diameter portion in body portion 11 and front, and the opening of the path part of its front becomes connecting hole 12a.That is, this adapter portion 12 is configured to recessed adapter by being provided with connecting hole 12a.In addition, the periphery of the path part in adapter portion 12 is provided with convex thread 12b integratedly, and it becomes the standing part to male connector 6.
On the other hand, the other end in body portion 11 is provided with next door 11a integratedly, and the axle center of this next door 11a is provided with steam vent 11b.The outer surface opening of this steam vent 11b next door 11a, this opening becomes aerofluxus opening 13.In addition, the other end in body portion 11 is provided with grip part 11c integratedly, this grip part 11c is formed as the tubular being in a ratio of large footpath with next door 11a, cover 14 by press-in, bonding, fuse fixing meanss such as (welding) and be fixed on the outside of grip part 11c.This cover 14 is formed as having the discoideus of the external diameter corresponding with the external diameter of grip part 11c, and it to be fixed on the 11c of grip part and to cover aerofluxus opening 13.In addition, cover 14 has multiple passage 14a, aerofluxus with opening 13 via these passages 14a and ft connection.In addition, be provided with for anti-skidding jog 14b at the peripheral part of cover 14.
Valve body 20 is provided with in the inside of housing 10 as seal member.This valve body 20 has plectane portion 20a and main part 20b, and what it was formed as that plectane portion 20a and main part 20b is integrated has bottom tube-like.This valve body 20 such as can be formed by the elastomer such as elastomeric material or thermoplastic synthetic rubber, but is preferably such as formed by elastomers such as transparent elastomeric materials, makes its inside can visuognosis.
Plectane portion 20a is formed as having the discoideus of the external diameter corresponding with the internal diameter of the connecting hole 12a in adapter portion 12, and is configured in the inner side (inside) of connecting hole 12a.In addition, the central authorities of plectane portion 20a be provided with from surface to the back side can the slit 20c of opening and closing.Main part 20b is formed as tortuous cylindrical shape, and integrated with plectane portion 20a in its one end, and its other end is chimeric with the protuberance 11d outstanding from next door 11a in the edge of steam vent 11b.Main part 20b by tortuous flexible and elastic deformation freely in the axial direction, and exerts pressure to this plectane portion 20a towards connecting hole 12a in the mode that the front end face in the outer surface of plectane portion 20a and adapter portion 12 becomes same planar.In addition, the inside of main part 20b becomes liquid accommodating room 21, and this liquid accommodating room 21 is communicated with steam vent 11b and aerofluxus opening 13 via protuberance 11d.
Plectane portion 20a is formed as the shape that slit 20c is opened in its natural state, is being configured under the state on connecting hole 12a, and the mode elastic deformation of closing to make slit 20c also closes connecting hole 12a.On the other hand, 20a limit, plectane portion makes main part 20b elastic deformation limit press towards the inside of housing 10, opens slit 20c and connecting hole 12a is communicated with liquid accommodating room 21 after departing from from connecting hole 12a.
The outer surface of aerofluxus opening 13 openings of the next door 11a in body portion 11 is provided with filter 22.This filter 22 makes gas permeation by having and does not make the material of the function of penetration by liquid and be formed as membranaceous, and is configured between next door 11a and cover 14 and covers aerofluxus opening 13.In addition, filter 22 also can grip between next door 11a and cover 14.
At this, its surface is preferably used to carry out the filter of hydrophobization process or hydrophobic film (hydrophobic membrane) as filter 22.As the constituent material of such hydrophobic film, such as, can use the copolymer (PFA) of the copolymer (FEP) of politef (PTFE), tetrafluoroethene and hexafluoropropene, tetrafluoroethene and perfluoroalkyl vinyl ether, Kynoar (PVDF) etc.Filter 22 preferably uses the constituent material being become Porous by the method for extension method, microcosmic decomposition method, electric wire etching method, sintering process, sub-plasma particle etc.In addition, the processing method of hydrophobization is not particularly limited, and the surface-coated that such as also can be used in filter has the method etc. of hydrophobic constituent material.Further, make gas permeation and the filter not making the function of penetration by liquid as long as have as filter 22, be not limited to above-mentioned formation, such as, also can use other materials such as hydrophilic material.
Fig. 4 is the axonometric chart specifically representing the male connector 6 shown in Fig. 1.
Male connector 6 has cylindric shell 30, is connected with the end of the pipe 5 extended from transfusion bag 3 side at the cardinal extremity of this shell 30.Be provided with the female Luer (male connector) 31 as connecting portion in the inner side of shell 30, be provided with opening 31a in the front end of this female Luer 31.In addition, be provided with not shown inner valve in the inside of shell 30, between the inner peripheral surface and the outer peripheral face of female Luer 31 of shell 30, be provided with a pair operating sheet 32 for opening and closing operations inner valve.When the initial position shown in Fig. 4 is vertically towards the inside pressing operation sheet 32 of shell 30, inner valve is opened and the opening 31a of the pipe 5 and adapter 31 be connected with shell 30 is communicated with.Otherwise inner valve is closed when when removing pressing, operating sheet 32 returns to initial position.
Fig. 5 is the sectional view of the state that the cap 1 shown in Fig. 2 is connected with male connector 6.
Be located at convex thread 12b in adapter portion 12 be located at male connector 6 shell 30 inner peripheral surface on recessed screw thread 30b be screwed, make cap 1 be connected on convex screw 6 thus.At this moment, the grip part 11c holding cap 1 makes cap 1 rotate relative to shell 30, can easily carry out this thus and be screwed into operation.
In addition, the shape of the female Luer 31 of the connecting hole 12a of cap 1, the shape of convex thread 12b and male connector 6, be provided with the shape etc. of the shell 30 of recessed screw thread 30b, be set to by the shape of the defineds such as specification number ISO 594-1, the ISO 594-2 based on the International Organization for Stand.
When cap 1 is fixed on male connector 6, female Luer 31 is inserted in the connecting hole 12a in adapter portion 12, is namely connected with connecting hole 12a.When female Luer 31 is connected with connecting hole 12a, the plectane portion 20a of valve body 20 is pressed towards the inside of housing 10 by female Luer 31 and departs to make connecting hole 12a open from connecting hole 12a.In addition, when plectane portion 20a departs from from connecting hole 12a, the slit 20c of plectane portion 20a opens.Therefore, the opening 31a of the female Luer 31 be connected with connecting hole 12a is communicated with liquid accommodating room 21 via slit 20c.
In addition, when cap 1 is fixed on male connector 6, the inside that operating sheet 32 is pressed by the front end in adapter portion 12 and is pressed into shell 30, and the inner valve of male connector 6 is opened.When inner valve is opened, pipe 5 is communicated with opening 31a, and the air in pipe 5 is pressed by the liquid from transfusion bag 3 and flows into liquid accommodating room 21 from the opening 31a of female Luer 31 via the slit 20c of valve body 20.That is, when female Luer 31 is connected with connecting hole 12a, pipe 5 i.e. liquid flow path is communicated with liquid accommodating room 21.The air flowed in liquid accommodating room 21 passes through from steam vent 11b and arrives to aerofluxus opening 13, passes through and be discharged to the outside through filter 22 and from the passage 14a of cover 14.
On the other hand, when the air in pipe 5 all flows out to cap 1, the liquid in pipe 5 flow in liquid accommodating room 21 from the opening 31a of adapter 31 via the slit 20c of valve body 20.The liquid flow in liquid accommodating room 21 passes through from steam vent 11b and arrives to aerofluxus opening 13 but through filter 22, can not be maintained at the inside of liquid accommodating room 21.
Form the main part 20b of valve body 20 of liquid accommodating room 21 and the body portion 11 of housing 10 is all formed by transparent material, therefore, it is possible to recognize from external view the situation that liquid accommodating room 21 is only full of by liquid.Further, situation about being only full of by liquid by visuognosis liquid accommodating room 21, and can confirm that the air of transfer line 2 is all discharged to the outside and completes pre-note.
When having noted in advance, take off cap 1 from male connector 6.When taking off cap 1 from male connector 6, as shown in Figure 3, the plectane portion 20a of valve body 20 is pushed back by the elastic force of main part 20b towards the inside of connecting hole 12a and returns to initial position.When plectane portion 20a returns to initial position, connecting hole 12a is closed by plectane portion 20a, and in addition, the slit 20c of plectane portion 20a closes.Therefore, connecting hole 12a becomes the state closed by valve body 20, when liquid accommodating room 21 becomes the state of closedown and from after female Luer 31 is taken off, liquid externally can not spill from the liquid accommodating room 21 of cap 1.
Like this, in cap 1 of the present invention, valve body 20 is provided with on the housing 10, connecting hole 12a is closed by valve body 20 when taking off cap 1 from male connector 6, thus after having noted in advance, when taking off cap 1 from male connector 6, can positively prevent liquid from externally spilling from liquid accommodating room 21.Thus, the medicinal liquids such as anticarcinogen just can not be made externally to spill ground, easily and safely note transfer line 2 in advance by means of only following simple operations, this is simply operated as, cap 1 is connected with male connector 6, make liquid flow into liquid flow path, after having noted in advance, take off cap 1 from male connector 6.
In addition, because the valve body 20 be configured to by being formed by elastomer carrys out closed connecting hole 12a, so can prevent liquid from spilling and the cost that can reduce this cap 1 simply to be formed.
Further, in the present embodiment because housing 10 and cover 14 between configuration filter 22, so the installation constitution simplicity of filter 22 can be made.In addition, protected because filter 22 is covered by cover 14, so can prevent filter 22 from unexpectedly contacting with foreign body etc. and occur damaged and spill liquid therefrom, and the safety of this cap 1 can be improved.
Fig. 6 represents the axonometric chart of the variation of the cap shown in Fig. 2, and Fig. 7 is the sectional view of the cap shown in Fig. 6, and Fig. 8 is the sectional view of the state that the cap shown in Fig. 6 is connected with male connector.In addition, in Fig. 6 ~ Fig. 8, identical Reference numeral is marked to the parts corresponding with above-mentioned parts.
In the cap 1 shown in Fig. 2, employ the valve body 20 having bottom tube-like with plectane portion 20a and main part 20b as seal member.To this, in the variation shown in Fig. 6, employ discoideus valve body 40 as seal member.
This valve body 40 has: valve body portion 40a, and it is formed as discoideus by the such as elastomer such as elastomeric material or thermoplastic synthetic rubber; With maintained portion 40b, it is wholely set along whole periphery in the periphery of valve body portion 40a.Be embedded with the interpolation body 41, maintained portion 40b being in a ratio of the cylindrical shape of path with adapter portion 12 to hold under the arm between this interpolation body 41 and the end face in adapter portion 12 in the inner side in adapter portion 12, valve body 40 is fixed on the inner side in adapter portion 12.
In addition, interpolation body 41 also can be configured to form with body portion 11.
In this variation, in the connecting hole 12a of the inner side in adapter portion 12, be configured with valve body portion 40a, and close connecting hole 12a by this valve body portion 40a.Towards the outside axially end face of valve body portion 40a becomes press surface 40c, and this press surface 40c becomes and is same planar with the front end face in adapter portion 12 and externally exposes from connecting hole 12a.The press surface 40c of valve body portion 40a is provided with the slit 40d of the linearity that female Luer 31 is inserted.
In addition, in this variation, body portion 11 does not arrange steam vent, the one end being located at the liquid accommodating room 21 of inside, body portion 11 directly becomes aerofluxus opening 13.This aerofluxus opening 13 is the end face upper shed of opposition side in body portion 11 with adapter portion 12, and covers by seizing the filter 22 be fixed between body portion 11 and cover 14 on both sides by the arms.
As shown in Figure 7, under the state that cap 1 is not connected with adapter 6, connecting hole 12a is closed by valve body portion 40a.
On the other hand, as shown in Figure 8, when cap 1 is fixed on adapter 6 and female Luer 31 is inserted in the connecting hole 12a in adapter portion 12, valve body 40 is pressed by female Luer 31 and inner elastic towards adapter portion 12 is out of shape, and pushes slit 40d open and the opening 31a of female Luer 31 is communicated with liquid accommodating room 21 via slit 40d.
Therefore, when cap 1 is connected with male connector 6, and the inner valve of male connector 6 is when opening, air in pipe 5 is pressed by the liquid from transfusion bag 3 and flow into liquid accommodating room 21 from the opening 31a of female Luer 31 via the slit 40d of valve body 40, and the air flow in liquid accommodating room 21 is externally discharged from aerofluxus opening 13 through filter 22.Further, when the air in pipe 5 all flow into cap 1, the liquid in pipe 5 flow into liquid accommodating room 21 from the opening 31a of adapter 31 via the slit 40d of valve body 40.And, note in advance when the air of transfer line 2 is all externally discharged by cap 1.
When having noted and taken off cap 1 from male connector 6 in advance, as shown in Figure 7, valve body portion 40a has returned to the original shape of closed connecting hole 12a by elastic force, close connecting hole 12a by valve body 40.Therefore, liquid accommodating room 21 becomes the state closed by valve body 40, and liquid externally can not spill from the liquid accommodating room 21 of cap 1 after take off cap 1 from male connector 6.
Fig. 9 is the variation of the cap shown in Fig. 7 and is the sectional view of the situation employing key as seal member.In fig .9 identical Reference numeral is marked for the parts corresponding with above-mentioned parts.
In the variation shown in Fig. 7, as closed connecting hole 12a seal member and employ discoideus valve body 40, but in the variation shown in Fig. 9, employ key 50 as seal member.This key 50 is be formed as discoideus rubber bolt by the various synthetic rubber such as natural rubber or isoprene rubber, and this key 50 is fixed on the inside in adapter portion 12 by the structure identical with valve body 40 as shown in Figure 7 and closes connecting hole 12a.
On the other hand, needle-like member is used as the connecting portion corresponding with this key 50.In the illustrated case, be provided with the pin 51 connected at the end of the pipe 5 of transfer line 2 as connecting portion.Employ as lower component as this pin 51: such as formed by metal etc., and there is in inside the stream be connected with liquid flow path, and in front end, there is the opening of stream.
Key 50 is formed as the hardness that can thrust for above-mentioned pin 51 and thickness, by making pin 51 thrust to key 50 and run through, and the liquid flow path of transfer line 2 is connected with the liquid accommodating room 21 of cap 1.Further, by making pipe 5 be connected with liquid accommodating room 21 via pin 51, and transfer line 2 can be noted in advance.
In addition, be not limited to the rubber bolt formed by the various synthetic rubber such as natural rubber or isoprene rubber as key 50, also can use the parts formed by other materials such as synthetic rubber or resin.
The present invention is not limited to above-mentioned embodiment, certainly can carry out various change in the scope not departing from its purport.
Such as, in the above-described embodiment, aerofluxus opening 13 is set to one end in liquid accommodating room 21 with circular open, and the circular film member covering aerofluxus opening 13 is employed as filter 22, but be not limited to this, as long as the aerofluxus opening be communicated with liquid accommodating room 21 13 and the filter 22 covering this aerofluxus opening 13 be configured to make the gas of the inside of liquid accommodating room 21 externally through and do not make penetration by liquid, various formation can be adopted.Such as, also can be configured to, make the all-round of the radial outside of liquid accommodating room 21 or a part of opening be used as aerofluxus opening 13, and its periphery is covered by filter 22 that is cylindric or U-shaped.
In addition, in the above-described embodiment, housing 10 is formed as linearity, connecting hole 12a is provided with in its one end, and be provided with aerofluxus opening 13 at the other end, but connecting hole 12a and aerofluxus opening 13 can carry out various change towards with size etc., such as make housing 10 be formed as L-shaped shape, make the direction of connecting hole 12a and aerofluxus opening 13 orthogonal.
In addition, in the above-described embodiment, describe the situation that the transfer line 2 using this cap 1 to take mixed water injection anticarcinogen in the main transfer line of subtend carries out pre-note, as long as but this cap 1 has the formation of the connecting portions such as the pin 51 of female Luer 31 or connection on liquid flow path, also can be used in such as being connected with the male connector of the front end being located at syringe and carry out the pre-situation etc. noted to the situation of carrying out in syringe noting in advance with to main transfer line.
Description of reference numerals
1 cap
2 transfer lines
3 transfusion bags
4 adapters
5 pipes
6 male connectors
7 instil presss from both sides
10 housings
11 body portions
11a next door
11b steam vent
11c grip part
11d protuberance
12 adapter portions
12a connecting hole
12b convex thread
13 aerofluxus openings
14 covers
14a passage
14b jog
20 valve bodies (seal member)
20a plectane portion
20b main part
20c slit
21 liquid accommodating rooms
22 filters
30 shells
The recessed screw thread of 30b
31 female Luer (connecting portion)
31a opening
32 operating sheets
40 valve bodies (seal member)
40a valve body portion
40b maintained portion
40c press surface
40d slit
41 interpolation bodies
50 keys (seal member)
51 pins (connecting portion)
Claims (4)
1. a cap, it has:
Housing, the aerofluxus opening that this housing has the connecting hole be connected with the connecting portion being arranged at liquid flow path, the liquid accommodating room be connected with this connecting hole and is connected with this liquid accommodating room; With
Filter, it is by making gas permeation and not making the material of penetration by liquid be formed, and installs on the housing and covers described aerofluxus opening,
This cap uses when noting in advance described liquid flow path, it is characterized in that,
Have seal member, it is installed on the housing and closes described connecting hole, and is configured to when being connected with described connecting hole by described connecting portion, and described liquid flow path is communicated with described liquid accommodating room.
2. cap according to claim 1, is characterized in that, described seal member is made up of elastomer, is the valve body opened when the described connecting portion be made up of male connector is connected with described connecting hole.
3. cap according to claim 1, is characterized in that, described seal member is the key that the described connecting portion being formed as needle-like can thrust.
4. cap according to claim 1, is characterized in that, is provided with the cover with passage on the housing, and described filter deployment is between described housing and described cover.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2013/001256 WO2014132293A1 (en) | 2013-02-28 | 2013-02-28 | Cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105007975A true CN105007975A (en) | 2015-10-28 |
| CN105007975B CN105007975B (en) | 2019-04-05 |
Family
ID=51427603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380073975.0A Active CN105007975B (en) | 2013-02-28 | 2013-02-28 | Cap |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6163198B2 (en) |
| CN (1) | CN105007975B (en) |
| WO (1) | WO2014132293A1 (en) |
Cited By (2)
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| CN107174690A (en) * | 2017-06-15 | 2017-09-19 | 无锡圣诺亚科技有限公司 | Exempt to sterilize block-by-block avulsion calparine cap |
| CN109328087A (en) * | 2016-06-29 | 2019-02-12 | 株式会社Jms | Connector cap and with cap connector |
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| US4741733A (en) * | 1985-01-07 | 1988-05-03 | Baxter Travenol Laboratories, Inc. | Infusor having a distal flow regulator |
| US5957898A (en) * | 1997-05-20 | 1999-09-28 | Baxter International Inc. | Needleless connector |
| CN1420754A (en) * | 2001-02-09 | 2003-05-28 | 深井工业株式会社 | Sealing device for injection/extraction port of liquid drug |
| US20070156118A1 (en) * | 2006-01-02 | 2007-07-05 | Ramsey Michael D | Protective priming cap for self-sealing male Luer valve |
| US20090177170A1 (en) * | 2006-04-03 | 2009-07-09 | Nippon Sherwood Medical Industries Ltd. | Closable Male Luer Connector |
| WO2008059834A1 (en) * | 2006-11-16 | 2008-05-22 | Terumo Kabushiki Kaisha | Temporary fixing member, connector assembly and infusion tube set |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109328087A (en) * | 2016-06-29 | 2019-02-12 | 株式会社Jms | Connector cap and with cap connector |
| CN109328087B (en) * | 2016-06-29 | 2022-09-20 | 株式会社Jms | Cap for connector and capped connector |
| CN107174690A (en) * | 2017-06-15 | 2017-09-19 | 无锡圣诺亚科技有限公司 | Exempt to sterilize block-by-block avulsion calparine cap |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014132293A1 (en) | 2014-09-04 |
| JPWO2014132293A1 (en) | 2017-02-02 |
| JP6163198B2 (en) | 2017-07-12 |
| CN105007975B (en) | 2019-04-05 |
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