CN101062437A

CN101062437A - Liquid-mixing infusor

Info

Publication number: CN101062437A
Application number: CN 200710092007
Authority: CN
Inventors: 船村重彰; 木谷一郎
Original assignee: Nippon Covidien Ltd; Sherwood Medical Co
Current assignee: Nippon Covidien Ltd; Sherwood Medical Co
Priority date: 2006-04-28
Filing date: 2007-04-04
Publication date: 2007-10-31
Anticipated expiration: 2027-04-04
Also published as: CN100579602C

Abstract

The present invention provides a liquid mixing infusor (A, B, C) comprising a main body (10, 30) having a first inlet port (16b) and an outlet port (16a) and a rotatable valve body (21,41) arranged within a chamber of said main body, said valve body being rotatable between a fluid through-flow position and a fluid blocking position, wherein said valve body (21) includes at least one actuating arm (27a, 27b, 47a, 47b) extending externally of said main body and wherein said liquid mixing infusor includes a second inlet port (12) in fluid flow connection with a fluid flow channel of said valve body.

Description

Liquid-mixing infusor

Technical field

[0001] the present invention relates to a kind of liquid-mixing infusor that uses at medical domain, this infusion device and a plurality of infusion tube etc. are connected, and are furnished with a plurality of branched pipes, and can change the connecting portion or the blocking-up portion of each branched pipe.

Background technology

[0002] normal saline solution, drug solution etc. are sent in patient's body before by using infusion tube to be achieved.This infusion tube of inclusion of air is inner also to enter in the body with normal saline solution or drug solution together in order to stop, the clear 48[1973 of TOHKEMY utility model application for example]-68994 (JP48068994U) are showed, an air trap is installed in infusion tube, and all air are all blocked in this air trap.

[0003] under the situation of using this air trap, the horizontal zone of the flow path that a part is extended in the horizontal direction is interrupted, the trap space just is installed in this interruption, is bent upwards and is connected to the spatial end of trap from an end of the flow path of a direction.One end of the flow path that extends in another direction is bent upwards and is connected to the spatial other end of trap.In other words, be constructed with an inverse U type part so that all air are blocked in the trap space and stop in all air admission bodies, this U type partly is furnished with the trap space that forms in flow path.

Summary of the invention

[0004] above-mentioned air trap is used for a kind of infusion tube, to carry a kind of normal saline solution or drug solution, still can not carry multiple normal saline solution, drug solution etc.Therefore, make a kind of liquid-mixing infusor can carry a plurality of normal saline or drug solution by connecting or blocking a plurality of infusion tube, but in this liquid-mixing infusor, it is very difficult that a kind of intravital structure of air admission that stops is set.

[0005] for said circumstances, the present invention has obtained making up, and the purpose of this invention is to provide a kind of liquid-mixing infusor, this infusion device makes following content become possibility: intravital all air of discharge liquor, and among a plurality of branched pipes, connect or block any random branched pipe.

[0006] to achieve these goals, liquid-mixing infusor of the present invention is characterised in that about a kind of structure, it is furnished with a liquid-mixing infusor main body, a valve and a rotating part, liquid infusion device main body comprises a chamber, a branching portion and a pair of branched pipe, the middle body in this chamber forms cylindrical that it axially vertically is provided with, branching portion forms and disposes a flow path that can be communicated with or block with the inside in chamber above the chamber, described a pair of branched pipe stretches out from the both sides of the peripheral surface of the middle body in chamber, and has the flow path that is connected with the inside in chamber respectively, valve is installed in the inside in chamber with rotatable state on the axle Zhou Fangxiang in chamber, and, this valve makes between a pair of branched pipe and the chamber and blocks, perhaps in the described a pair of branched pipe at least one linked to each other with the inside in chamber by branching portion, rotating part extends to the outside in chamber from valve, and this rotating part have one in the outside in chamber the operating portion with the axle Zhou Fangxiang rotation in chamber.

[0007] liquid-mixing infusor of the present invention that is configured as mentioned above has a rotating part, it comprises the valve and an operating portion that can rotate with the axle Zhou Fangxiang in chamber, this operating portion begins to extend to the outside in chamber from valve, and in the outer sideway swivel in chamber.In addition, to such an extent as to infusion device is so constructed, by rotary manipulation portion, valve can make and link to each other between the inside in a pair of branched pipe and chamber or blocking-up.That is to say that this valve can make between a pair of branched pipe and the chamber and block, perhaps make between pipe and the chamber to link to each other, and that in addition it makes in a pair of branched pipe one link to each other with intracavity portion.

[0008] in addition, be connected between the flow path by making branching portion and the chamber, this makes one or two of the flow path of branching portion and a pair of branched pipe is connected to become possibility.As a result, might in patient's body, carry a kind of or two kinds of drug solutions.In addition, if flow in the flow path that a kind of drug solution can be connected to form between the inside that makes a pair of branched pipe and chamber, that drug solution just can be by the branching portion that forms above the chamber.

[0009] in particular, branching portion has the space that forms above flow path, and this flow path links to each other a branched pipe by means of the chamber with another branched pipe.As a result, if a kind of drug solution can flow through a flow path that links to each other through branching portion, that drug solution flows and also therefore all air of branching portion inside is pushed to the downstream of flow path.Therefore, before drug solution being supplied with in patient's body, the air in the flow path can be discharged together in company with a fraction of drug solution, and flow path can be full of the drug solution without any air.Therefore, when drug solution uses to health, can stop in the air admission body.Similarly, when the flow path of branching portion linked to each other with the chamber, all air of branching portion and intracavity can be accompanied by the supply of drug solution and discharge from the flow path of branching portion, and subsequently, drug solution can be to the health supply.

[0010] another of liquid-mixing infusor of the present invention is characterised in that about its structure: the chamber forms a cylinder that the end is arranged, its open top, bottom closure, operating portion forms a lid type body that is connected the open top side in chamber with rotation mode, and branching portion is installed in operating portion inside.

[0011] therefore, the bottom in chamber can form a plane, thereby for example this makes that on a configuration plate a plurality of liquid-mixing infusors being installed becomes possibility, and each liquid-mixing infusor can have a plurality of continuous infusion tube.By this assembling, it is possible that multiple drug solution is supplied with health together.In addition, by on a configuration plate, a liquid-mixing infusor being installed, can use a hands just can operate operating portion at an easy rate.And therefore the operating position, is easy to find out that in the top of each liquid-mixing infusor the operating position of rotating part can be determined easily.In addition, lid type body can be directly installed on the top end opening in chamber, and perhaps it can be installed in the open top by the parts such as valve etc.This lid type body can be the shape of subcylindrical.

[0012] yet, another of liquid-mixing infusor of the present invention is characterised in that: the chamber can form the cylinder of its equal opening in two ends, and operating portion can extend to the outside in chamber from the bottom opening in chamber, simultaneously, lid type body is attached at the top open part in chamber, and branching portion is installed in and covers in the type body.In addition, if like this, operating portion can be preferably moves along the part of a particular range, this particular range be positioned at the chamber bottom opening around, that part of operating portion outside moving range can preferably be crossed the bottom of operating portion and extend downwards.

[0013] therefore, the branching portion that is positioned at liquid-mixing infusor top can remain on the stationary state against the chamber, and therefore, might be stabilized in the flow path that forms on the branching portion side.In addition, by an extension is set on the bottom opening in chamber, might when this extension extends, liquid-mixing infusor be connected to one and disposes part.As a result, in the time of on liquid-mixing infusor being installed in a configuration part, operating portion can not cause any interference, and meanwhile, when liquid-mixing infusor was installed on the configuration part, operation became simple.

[0014] still is liquid-mixing infusor of the present invention, its another be characterised in that: valve has a pair of blocking-up portion and a pair of lower concave part, when valve is installed in intracavity portion, blocking-up portion makes between a pair of branched pipe and the chamber with specific direction and blocks, when valve can rotate about 90 when spending from specific direction, lower concave part makes between a pair of branched pipe and the chamber and links to each other; And in addition, a pair of lower concave part is configured to difference along the width of direction of rotation, and this makes, when valve from specific direction with than the little special angle rotation of about 90 degree the time, have only one to link to each other in the described a pair of branched pipe with the chamber.

[0015] if like this, might construct this valve as follows: for example, by a pair of recessed connecting portion is set in cylinder, make cylindrical other unaltered parts form a pair of blocking-up portion, this a pair of recessed connecting portion has central shaft in both sides in the middle of the two, and recessed connecting portion has different size on width, they make between a pair of branched pipe and the chamber and link to each other, and this a pair of blocking part is not blocked a pair of branched pipe and chamber.In addition, a pair of recessed connecting portion can link to each other by branching portion.In addition, under this situation, a pair of recessed connecting portion is sized to difference, therefore, little recessed connecting portion links to each other with the chamber along with a branched pipe in a scope and moves, and in this scope, big recessed connecting portion links to each other with the chamber along with another branched pipe and moves.Therefore, just may realize reliable flow path conversion by a simple structure.

[0016] in addition, still another of liquid mixing transfusion device of the present invention is characterised in that: valve has a pair of blocking-up portion and a pair of lower concave part, when valve is installed in intracavity, blocking-up portion makes between a pair of branched pipe and the chamber with specific direction and blocks, when valve rotates about 90 when spending from specific direction, lower concave part makes between a pair of branched pipe and the chamber and links to each other; And, the position of a pair of recessed connecting portion is from the transposition of partial of valve exterior periphery, and this part is passed and the vertical hypothesis line of the central axis of valve, and this makes, when valve from specific direction with than the rotation of the little special angle of about 90 degree the time, have only one to link to each other in a pair of branched pipe with the chamber.

[0017] in this case, for example, in a pair of recessed connecting portion, can be greater than the opening of a pair of branched pipe towards the part of a pair of branched pipe opening, and simultaneously, the position of a pair of recessed connecting portion can be positioned at the both sides around the valve, and the central axis of valve is arranged therebetween.In addition, a pair of recessed connecting portion is configured to identical along the width of direction of rotation, when the forward position of one of them recessed connecting portion part during towards the opening of a branched pipe, this recessed connecting portion links to each other with this branched pipe, the fore-end of another recessed connecting portion is towards the opening of another branched pipe, and another branched pipe of this another recessed connecting portion and this links to each other.

[0018] therefore, when valve rotated, a recessed connecting portion was blocked, to such an extent as to the tail end-side of another recessed connecting portion towards the opening of a branched pipe, therefore this recessed connecting portion links to each other with this branched pipe.In addition, by rotary valve, the recessed connecting portion of above-mentioned another continues to link to each other with another branched pipe, and therefore, the end section of the recessed connecting portion of above-mentioned another is towards the opening of another branched pipe, and above-mentioned lower concave part is blocked.As a result, also might carry out the conversion of reliable flow path by simple structure.

[0019] in addition, by the width of a pair of recessed connecting portion is arranged to difference, also might be by suitably regulating the position relation of a pair of branched pipe and opening, only allow in a pair of recessed connecting portion one or two all to link to each other or block with the chamber.By accident, the position of a pair of recessed connecting portion is passed this partly mobile fact of excircle of supposing line from valve in this case and is meaned, when a recessed connecting portion along the circumferential direction be centered close on the vertical hypothesis line of the central axis with valve the time, the center of the connecting portion that another is recessed can not be positioned on the vertical hypothesis line of this central axis with valve.

[0020] in addition, another of liquid-mixing infusor of the present invention is characterised in that: the circumferential surface in chamber is provided with a plurality of positioning convex, and simultaneously, operating portion is provided with brake component, by this brake component and engaging of positioning convex valve is parked on the ad-hoc location.Therefore, rotating part can be parked on the ad-hoc location reliably, and this makes valve can carry out the conversion of flow path exactly.

[0021] last, it still is liquid-mixing infusor of the present invention, its another be characterised in that: branching portion can comprise a plurality of columniform branched pipe and rubber stoppers of being roughly, and branched pipe is installed in the open top side in chamber, and it is inner and pipe is inserted to pass through that rubber stopper is installed in branched pipe.Therefore, by a simple mode, the flow path of the branching portion that forms above the chamber can link to each other with intracavity portion or block.In addition, as an insertion tube under this situation, might use the male luer of adapter insertion portion, adapter or a syringe or such as pin of entry needle, blunt nosed pin (dull needle) etc.In addition, if the tip of these insertion tubes is not sharp keen, that rubber stopper can have the seam that an energy inserts insertion tube.

Description of drawings

[0068] as an example, the present invention will only describe with reference to following accompanying drawing:

Fig. 1 is the plane graph of the liquid-mixing infusor of first embodiment of the invention;

Fig. 2 is the side view of the liquid infusion device of first embodiment;

Fig. 3 is the front view of the liquid infusion device of first embodiment;

Fig. 4 is the profile that Fig. 2 obtains along the 4-4 line;

Fig. 5 is the profile that Fig. 1 obtains along the 5-5 line;

Fig. 6 is a profile, and it shows that liquid-mixing infusor is in the valve state that rotates in a counter-clockwise direction;

Fig. 7 is a profile, and it shows that liquid-mixing infusor is in the valve state of rotation in a clockwise direction;

Fig. 8 is a plane graph, and it shows that liquid-mixing infusor is in the operating portion state that rotates in a counter-clockwise direction;

Fig. 9 is a plane graph, and it shows that liquid-mixing infusor is in the operating portion state of rotation in a clockwise direction;

Figure 10 is the plane graph of the liquid-mixing infusor of second embodiment of the invention;

Figure 11 is the front view of the liquid-mixing infusor of second embodiment;

Figure 12 is the side view of the liquid-mixing infusor of second embodiment;

Figure 13 is the profile that Figure 10 obtains along the 13-13 line;

Figure 14 is a plane graph, and it shows that liquid-mixing infusor is in the operating portion state that rotates in a counter-clockwise direction;

Figure 15 is a plane graph, and it shows that liquid-mixing infusor is in the operating portion state of rotation in a clockwise direction;

Figure 16 is the profile of the liquid-mixing infusor of the 3rd embodiment;

Figure 17 is a profile, and it shows that liquid-mixing infusor is in the valve state that rotates in a counter-clockwise direction from the state of Figure 16;

Figure 18 is a profile, and it shows that liquid-mixing infusor is in the valve state that rotates in a clockwise direction from the state of Figure 16;

The specific embodiment

Embodiment 1

[0022] by using accompanying drawing that the liquid-mixing infusor as first embodiment of the invention is elaborated.Fig. 1-3 shows the liquid-mixing infusor A of this embodiment, and this liquid-mixing infusor A comprises a liquid-mixing infusor main body 10 and rotating part 20.Liquid-mixing infusor main body 10 comprises that a chamber 11, one form above chamber 11 converges branching portion 12 (see figure 5)s and a pair of downstream and

upstream branch pipe

13 and 14, wherein, chamber 11 forms a cylinder, its axial length is short, and be provided with vertically that it is axial, branched pipe 13 is connected at its peripheral surface place with 11 both sides, chamber respectively with 14, and to keep the coaxial extension of mode at 180 degree angles.

[0023] major part in chamber 11 forms a bottom closure and open-topped end cylinder is arranged, and is formed with a plurality of operation extrudate 15a, 15b, 15c and 15d on the peripheral surface of its circumferencial direction.Operation extrudate 15a, 15b, 15c and the peripheral surface of 15d along four direction from the chamber extend, its end with the axial vertical external direction of downstream branch pipe 13 and upstream branch pipe 14 on extend.Shown in Figure 4 and 5, big about the chamber center of 11 axial directions, part toward each other has two connecting

hole

16a and 16b respectively.

[0024] connecting hole 16a forms between operation extrudate 15a and 15b, and connecting hole 16b forms between operation extrudate 15c and 15d.Chamber 11 part corresponding with connecting hole 16a is equipped with downstream branch pipe 13, and the inside in chamber 11 links to each other with the flow path 13a that forms in downstream branched pipe 13 by connecting hole 16a.In addition, chamber 11 part corresponding with connecting hole 16b is equipped with upstream branch pipe 14, and the inside in chamber 11 links to each other with the flow path 14a that forms in upstream branch pipe 14 by connecting hole 16b.

[0025] downstream branch pipe 13 forms as a monomer with chamber 11, and it comprises a cardinal extremity 13b who is positioned at chamber 11 sides, and is positioned at end side and manufactured place male luer (male luer) 13c thinner than cardinal extremity 13b.Male luer 13c begins to form towards end side taper ground from cardinal extremity 13b side.On the circumferential surface of downstream branched pipe 13, on the limit between cardinal extremity 13b and the male luer 13c, an extrudate 13d forms along circumference.

[0026] in addition, upstream branch pipe 14 is integrally formed with chamber 11.The downstream of the flow path 14a that forms in inside (chamber 11 sides) forms on taper ground in the following manner: the diameter of connecting hole 16b one side is little, but diameter increases when away from connecting hole 16b.In addition, the upstream side of flow path 14a also with its diameter along with the mode taper ground that increases gradually near the opening of upstream branch pipe 14 forms.On the circumference of upstream branch pipe 14 openings, be formed with a connecting thread 14b.On the peripheral surface in the chamber 11 between operation extrudate 15a and the 15d, vertically little the positioning convex 17a and the 17b of Yan Shening forms with interval, and therefore the distance of operating between extrudate 15a and the 15d is separated into three equal parts.

[0027] similarly, on the peripheral surface in the chamber 11 between operation extrudate 15b and the 15c, vertically little the positioning convex 18a and the 18b of Yan Shening forms with interval, and therefore the distance of operating between extrudate 15b and the 15c is separated into three equal parts.In addition, be formed with the collet jaw 11a of a recessed portion on the head portion of chamber 11 inner circumferential surfaces, rotating part 20 is installed on this grapple 11a with free rotation mode.Along band ground, converge the part that branching portion 12 has constituted liquid-mixing infusor main body 10, still according to the explanation of back, it is included into rotating part 20.

[0028] rotating part 20 comprises a valve 21 and an operating portion 25 that links to each other with the top of valve 21.Valve 21 is installed in the chamber 11, and by operation portion 25, valve rotates with axle Zhou Fangxiang in chamber 11.The external shape of valve 21 forms an approximate cylindrical shape.The cylinder both sides that the centre has cylinder axis have recessed connecting

portion

22 and 23, and these connecting portions top side from the side extends to form to the bottom side.Recessed connecting portion 22 comprises a top depression 22a and connecting hole 22b, and depression 22a comprises the top side, and connecting hole 22b passes the bottom of top depression 22a and the part between valve 21 peripheral surfaces.

[0029] with regard to the peripheral surface of top depression 22a, peripheral surface on the plane that is provided with on the outer circumferential side of valve 21 along valve 21 forms on an arcual sweep, and the surface that is provided with on valve 21 medial side forms a taper seat, this taper seat top is near the center of valve 21, but leaves the center of valve 21 downwards.In addition, connecting hole 22b width along the circumferential direction is bigger slightly three times than the diameter of connecting hole 16a, and the vertical length of connecting hole 22b is general and the equal diameters of connecting hole 16a.

[0030] in addition, recessed connecting portion 23 comprises a top depression 23a and connecting hole 23b, and depression 23a comprises the top side, and connecting hole 23b passes the bottom of top depression 23a and the part between valve 21 peripheral surfaces.Peripheral surface with regard to top depression 23a, peripheral surface on the surface that is provided with on the outer circumferential side of valve 21 along valve 21 forms on an arcual sweep, and the surface that is provided with on valve 21 medial side forms a taper seat, this taper seat top is near the center of valve 21, but leaves the center of valve 21 downwards.In addition, the diameter of connecting hole 23b is general and the equal diameters of connecting hole 16b.

[0031] therefore, the vertical wall 24a that has conical surface on the both sides extending to form in the radial direction between the recessed connecting

portion

22 and 23 of valve 21, and on the both sides of this vertical wall 24a, be formed with a pair of blocking-up 24b of portion and 24c, this blocking-up portion has constituted the part of valve 21 peripheral 21a.That is to say, valve 21 comprises a vertical wall 24a, a pair of blocking-up 24b of portion and 24c, a peripheral side 21a and a flat 21b, if and connecting hole 23b is relative with connecting hole 16b, the flow path 14a of that upstream branch pipe 14 and the inside in chamber 11 (space between chamber 11 and the valve 21) links to each other.If so, connecting hole 16a is positioned at the middle body on the connecting hole 22b width, and the flow path 13a of the inside in chamber 11 and downstream branch pipe 13 links to each other.

[0032] therefore, upstream branch pipe 14 links to each other by chamber 11 with downstream branch pipe 13, and if the flow path 14a of drug solution injection upstream branch pipe 14, that drug solution just is accumulated in the recessed connecting portion 23.Therefore, when the liquid level of drug solution was higher than the top of vertical wall 24a, flow of solution was to recessed connecting portion 22, and flowed to the flow path 13a of downstream branch pipe 13 by connecting hole 22b.If so, the backflow of drug solution stopped by vertical wall 24a, at this moment, and the drug solution top in chamber 11 of can flowing through, and prevent that all air-accumulatings are in chamber 11.

[0033] in addition, plane graph as shown in Figure 6, valve 21 can be from state shown in Figure 4 along counterclockwise rotating a special angle, therefore, when the connection status between maintenance connecting hole 22b and the connecting hole 16a, an end on the connecting hole 22b width is positioned on the end of connecting hole 16a, and connecting hole 16b is blocked the 24c of portion blocking-up.Therefore, chamber 11 links to each other with downstream branch pipe 13, and is cut off between upstream branch pipe 14 and the chamber 11.Equally as shown in Figure 7, valve 21 can rotate a special angle in a clockwise direction from state shown in Figure 4, so, when the connection status between maintenance connecting hole 22b and the connecting hole 16a, another end on the connecting hole 22b width is positioned on another end of connecting hole 16a, and connecting hole 16b is blocked the 24b of portion blocking-up.

[0034] therefore, chamber 11 links to each other with downstream branch pipe 13, and is cut off between upstream branch pipe 14 and the chamber 11.In addition, though do not illustrate in the accompanying drawing, by make valve 21 with counterclockwise from the state rotation of Fig. 6 or make valve 21 in a clockwise direction from the state rotation of Fig. 7, connecting

hole

16a or 16b can block by 24b of blocking-up portion or 24c.As a result, can be blocked between upstream branch pipe 14 and the chamber 11 and between downstream branch pipe 13 and the chamber 11.

[0035] head portion of valve 21 has one and captures the 21c of portion, and it can engage with the grapple 11a in chamber 11, and grapple 11a rotatably forms along circumference, and when capturing the 21c of portion and engage with grapple 11a, valve 21 11 rotates against the chamber.The peripheral top of valve 21 forms on an outwards outstanding capture members 21d, and its inboard is the depression of an engagement, and its outside is the extrudate of an engagement.

[0036] operating portion 25 is installed on the top circumference of valve 21, and and valve 21 11 rotations against the chamber together.This operating portion 25 comprises one and valve 21 separated portions, and it is configured to the cylinder (lid type body) of a taper, and this cylindrical diameter reduces on valve 21 side direction gradually.In addition, in plane graph, operating portion 25 has oval profile.On the bottom of inner peripheral surface, operating portion 25 is formed with one and captures the 25a of portion, and this is captured the 25a of portion and can engage with the 21c of the portion that captures of valve 21, thereby operating portion 25 is connected with valve 21.

[0037] in addition, on the circumferential section of the bottom of operating portion 25, the brake component 26a of a pair of plate-shaped and 26b extend downwards from two ends along this oval-shaped axle.Between operation extrudate 15a and 15b, brake component 26a 11 the peripheral surface setting along the chamber in a movable manner, and discriminably between operation extrudate 15a and the positioning convex 17a, between positioning convex 17a and the 17b and stop between positioning convex 17b and the operation extrudate 15d.In addition, be accompanied by moving or stopping of brake component 26a, brake component 26b moves on the peripheral surface between operation extrudate 15b and the 15c along chamber 11, perhaps respectively between operation extrudate 15b and the positioning convex 18a, between positioning convex 18a and the 18b and stop between positioning convex 18b and the operation extrudate 15c.

The extrudate 27a of [0038] linearity forms between the upper face of operating portion 25 in the bottom centre on brake component 26a surface, and the bottom centre of the extrudate 27b of a linearity on brake component 26b surface forms between the upper face of operating portion 25.Shown in Fig. 8 and 9, the tip position when extrudate 27a that these are linear and 27b are used for determining operating portion 25 rotations.In addition, by using

brake component

26a and 26b and

linear extrudate

27a and 27b and the monitoring by liquid-mixing infusor A side, the position of operating portion 25 on axle Zhou Fangxiang can be determined.

[0039] in plane graph, the position of

linear extrudate

27a and 27b is set on the length direction that passes the center, and this is centered close on the width of valve 21 vertical wall 24a.Therefore, all positions of axle of valve 21 also can be determined by the position of linear extrudate 27a and 27b.Fig. 6 has showed, when linear extrudate 27a and 27b are in position shown in Figure 8, be positioned at the valve 21 of liquid-mixing infusor main body 10, and Fig. 7 has showed, when linear extrudate 27a and 27b are in position shown in Figure 9, be positioned at the valve 21 of liquid-mixing infusor main body 10.In addition, Fig. 4 showed, when linear extrudate 27a and 27b are in position shown in Figure 1, is positioned at the valve 21 of liquid-mixing infusor main body 10.Cylinder is formed on the top of operating portion 25, and its peripheral surface is formed with a screw thread 25b.In addition, the plane, top of operating portion 25 has an opening 25c who is arranged on the center.

[0040] branching portion 12 that converges comprises that one is converged branched pipe 28 and a rubber stopper 29, converge branched pipe 28 and be approximately and be installed in operating portion 25 inner cylindrical, rubber stopper 29 is made and is installed in the open top that converges branched pipe 28 by natural or lactoprene.The branched pipe 28 that converges is the upwards short cylinders of convergent, and its diameter little by little reduces, and is fixed on the valve 21 by engaging with the grapple recess of inboard at the grapple portion 21d place of valve 21.In addition, the external diameter that converges branched pipe 28 tops is slightly less than the internal diameter at operating portion 25 tops.

[0041] rubber stopper 29 comprises the plug main body 29a of a thick disk shape and the connector 29b and the 29c of belt like shape, and connector extends from the both sides, top of plug main body 29a.Plug main body 29a is pushed into from the top open part that converges branched pipe 28 and converges branched pipe 28, and by along converging branched pipe 28

peripheral surfaces connector

29b and 29c being set, operating portion 25 is fixed on the outside of converging branched pipe 28, thus fixing rubber stopper 29.That is to say that converge branched pipe 28 sides and fix operating portion 25 by

connector

29b and 29c are pressed in, meanwhile, the periphery of plug main body 29a upper surface also is crushed on and converges on the branched pipe 28, therefore anti-detent plug comes off.

[0042] in addition, this rubber stopper 29 is provided with a seam 29d, and it has formed and has passed the flow path that converges branching portion 12 that converges branched pipe 28 inboards and converge branched pipe 28 outsides.When not having use to converge the flow path of branched pipe 12, because the elastic force of rubber stopper 29, this seam 29d is in its closure state.In addition, when use converges the flow path of branched pipe 12, in seam 29d, insert a suitable adapter (not illustrating in the drawings) and form flow path.This adapter is furnished with a male luer, is formed with a flow path in this male luer, and this male luer is inserted in the seam 29d of rubber stopper 29 to connect adapter and to converge the inside of branched pipe 28.In addition, if so, the peripheral surface of male luer is owing to the elastic reaction of rubber stopper 29 closely contacts with the inner surface of seam 29d.

[0043] when adopting this structure to use required drug solution for patient (not shown), the end section of infusion tube (not shown) links to each other with downstream branch pipe 13, and this infusion tube has a connected entry needle to keep the inserting patient.On the other hand, a male luer that is connected with the infusion tube end links to each other with upstream branch pipe 14, and this infusion tube is stretched out from a container that the drug solution that uses to the patient is housed.By the entry needle of the indwelling that contacts with the patient, operating operation portion 25 flows to the patient with drug solution from container, to realize using medicine to the patient.In addition, if except that using the medicine to the patient, also will use another medicine to the patient in container, that is by means of the infusion tube that links to each other with adapter, can be with this another drug solution inject chambeies 11 from converging branching portion 12.

[0044] that is to say, if operating portion 25 be operated to obtain Fig. 8 or state shown in Figure 9 with converging the adapter that branching portion 12 links to each other, that is 11 inside in the chamber, adapter links to each other by the connecting portion 22 that falls in downstream branch pipe 13.If like this, the 24c of blocking-up portion of

valve

21 or 24b blocking-up connecting hole 16b, and therefore, upstream branch pipe 14 is blocked the inside of leading to chamber 11.Can determine that by the position of observing banded

extrudate

27a and 27b this state is to prevent the generation of any faulty operation.In addition, brake component 26a be parked between operation extrudate 15a and the positioning convex 17a or positioning convex 17b and operation extrudate 15d between the position on, and simultaneously, brake component 26b is parked between positioning convex 18b and the operation extrudate 15c or on the position between operation extrudate 15b and the positioning convex 18a.Therefore, rotating part 20 is fixed on assigned address reliably.

[0045] in addition, if operating operation portion 25 is to obtain state illustrated in figures 1 and 2, that adapter, downstream branch pipe 13 and upstream branch pipe 14 all link to each other by chamber 11 respectively.If like this, as shown in Figure 4, brake component 26a is parked on the position between positioning convex 17a and the 17b, and brake component 26b is parked on the position between positioning convex 18a and the 18b.Therefore, rotating part 20 is fixed on assigned address reliably.In addition, before the patient inserted on one's body and extracts the entry needle of indwelling, a spot of drug solution was discharged from the top of entry needle.Therefore, can discharge with drug solution and appear at all air in the flow path.In addition, liquid-mixing infusor A can be connected on configuration plate and other before use.

[0046] as mentioned above, the liquid-mixing infusor A of this embodiment is furnished with a valve 21 and links to each other with valve 21 with one and be positioned at operating portion 25 on the

chamber

11, and 11 inside rotate with axle Zhou Fangxiang this valve 21 in the chamber.When operating portion 25 can rotate on an optional direction when obtaining as Fig. 1, Fig. 8 or state shown in Figure 9, valve 21 sets among upstream branch pipe 13, downstream branch pipe 14 and chamber 11 respectively and is connected or blocking-up portion.Therefore, can carry out opening or shutoff operation between upstream branch pipe 13, downstream branch pipe 14 and the chamber 11 easily, and meanwhile, can just can operate at an easy rate by a hands.In addition, by adapter is inserted the rubber stopper 29 that converges branching portion 12, making adapter is connected to downstream branch pipe 13 and upstream branch pipe 14 or is connected to downstream branch pipe 13 becomes possibility.As a result, this makes provides a kind of or two kinds of drug solutions become possibility to the patient.

[0047] if drug solution can flow to downstream branch pipe 13 from upstream branch pipe 14, that once was accumulated in the drug solution in the connecting portion female 23, upper end by crossing vertical wall 24a also flows to the flow path 13a of downstream branch pipe 13 through connecting hole 22b, flows to female 22 sides of connecting portion subsequently.If like this, vertical wall 24a prevents that drug solution from refluxing, and simultaneously, can prevent that by the top that makes drug solution pass chamber 11 all air-accumulatings are in chamber 11.Therefore, can suitably use drug solution to the patient.

[0048], be possible so on a configuration plate, a plurality of liquid-mixing infusor A are installed, and a plurality of infusion tube can be connected with each liquid-mixing infusor A because the bottom in chamber 11 forms a smooth plane.Therefore, a plurality of drug solutions might be imported in the body simultaneously.In addition, if liquid-mixing infusor A is installed on the configuration plate, can be by hands operating operation portion 25 at an easy rate just.In addition, operating portion 25 is arranged on the top of liquid-mixing infusor A, and obviously, the operating position of valve 21 is easy to be determined.

[0049] in addition, the peripheral surface in chamber 11 is equipped with positioning convex 17a etc., and meanwhile, operating portion 25 can be equipped with brake component 26a and 26b.As a result, rotating part 20 can stop at assigned address reliably, and by valve 21, this rotating part can be changed correct flow path.In addition, any undesirable the moving of the rotating part 20 of conversion flow path all prevented

effectively.Brake component

26a and 26b have corresponding banded

extrudate

27a and 27b, and it reduces the operator respectively and carries out any faulty operation to connect or to block the probability of incorrect flow path.In addition, converge branching portion and can comprise a rubber stopper 29 that converges branched pipe 28 and be provided with a seam 29d, therefore, the flow path that converges branching portion 12 that 11 tops form in the chamber can be connected or cut off with 11 inside, chamber by simple program.

Second embodiment

[0050] Figure 10 or Figure 12 have showed the liquid-mixing infusor B of second embodiment of the invention.This liquid-mixing infusor B comprises a liquid-mixing infusor main body 30 and rotating part 40.Liquid-mixing infusor main body 30 has a chamber 31, and this chamber is one and has the cylinder of the equal opening in top and bottom as shown in figure 13.The periphery, top in chamber 31 has an annular grapple 31a, and it comprises an extrudate, and in the position that is lower than slightly on the perimeter surface that grapple 31a is positioned at chamber 31, is formed with an annular extrusion thing 32 that inwardly stretches out.

[0051] be lower than this extrudate 32, be formed with a collet jaw 31b, and a rotating part 40 is installed so that it can be in the cofree rotation of this grapple 31b, extrudate 32 forms on the interior perimeter surface in chamber 31, and grapple 31b comprises an extrudate.In addition, the outer cylinder surface of chamber 31 main parts has

operation extrudate

35a, 35b, 35c and the 35d that forms at interval in a circumferential direction.These operations extrudate 35a, 35b, 35c and 35d from the chamber 31 main parts extend downwards, and therefore long than

operation extrudate

15a, 15b, 15c and the 15d of above-mentioned first embodiment in vertical direction.In addition, the bottom part of part extends to the position identical with the bottom of operating

extrudate

15a, 15b, 15c and 15d between operation extrudate 15a and the 15b and between operation extrudate 15c and the 15d.

[0052] rotating part 40 comprises the operating portion 45 (only showing an operating portion 45 among the figure) that a valve 41 and bottom part a pair of and valve 41 link to each other.Head portion on the valve 41 periphery planes has one and captures the 41a of portion, this is captured portion and forms and comprise a female that engages with chamber 31 grapple 31b at rotation status along circumference, and by the 41a of the portion that captures that can engage with grapple 31b, valve 41 is 31 rotations against the chamber.In addition, the top of valve 41 closely contacts with the lower surface of liquid-tight mode with chamber 31 extrudate 32.

[0053] in addition, operating portion 45 comprises a plurality of thin plates respectively, and 31 peripheral surface extends upward this thin plate from the circumference both sides of valve 41 lower surface 41b along the chamber.In the central part office of a pair of operating portion 45 lip-deep widths, be formed with vertically extending

banded extrudate

47a and 47b respectively.That is to say, use operating portion 45 carrying out the rotary manipulation of valve 41, and meanwhile, operating portion serves as brake component 26a and measure 26b, restriction rotating part 40 anglecs of rotation that is similar to above-mentioned first embodiment.

[0054] in addition, the peripheral top in chamber 31 has a lid 42, and lid 42 has the structure roughly the same with the operating portion 25 of above-mentioned embodiment.This inner periphery that covers 42 low sides has one and captures the 42a of portion, and the portion 42a of capturing comprises a female that engages with the grapple 31a that forms, and captures the 42a of portion and engage with grapple 31a by making, and covers 42 and is fixed on the chamber 31.In addition, the top plan by making end and extrudate 32 and the inner periphery plane engagement in chamber 31 are converged branched pipe 48 and are linked to each other with chamber 31.The structure of those parts of the structure of the miscellaneous part in this liquid-mixing infusor B chamber 31 and the liquid-mixing infusor A of above-mentioned first embodiment is identical.Therefore, use identical numeral to represent identical parts, and omit any other explanation.

[0055] in order to use this structure to use a kind of certain drug solution to the patient, downstream branch pipe 13 links to each other with the infusion tube with a coupled indwelling entry needle, and meanwhile, upstream branch pipe 14 links to each other with the infusion tube of stretching out from the container that accommodates drug solution, and these are similar to the first above-mentioned embodiment.Because the entry needle of keeping somewhere inserts and remains in patient's body, so operating operation portion 45, drug solution is carried to use medicine to the patient to the patient in its container.If like this, use a hands to catch its both sides to operate this two operating portions 45.In addition, if except that from container transport said medicine solution, also provide another kind of drug solution to the patient, other drug solution injects in the chamber 31 from converging branching portion 12 by the infusion tube that links to each other with adapter.

[0056] if like this, operating portion 45 converges branching portion 12 and has an adapter that keeps connecting with realization Figure 14 or state shown in Figure 15 by converging branching portion 12 operations.As a result, by the connection female 22 of 31 inside, chamber, adapter links to each other with downstream branch pipe 13.By way of parenthesis, if can obtain the state of Figure 14 by operating operation portion 45, the level cross-sectionn of liquid-mixing infusor B and Fig. 6's is identical, and if can obtain state shown in Figure 15 by operating operation portion 45, the level cross-sectionn of that liquid-mixing infusor B and Fig. 7's is identical.In addition, if operating operation portion 45 can obtain the state of Figure 10 and Figure 11, that adapter, downstream branch pipe 13 and upstream branch pipe 14 link to each other by chamber 31.

[0057] in liquid-mixing infusor B, the superposed branching portion 12 that converges is fixed on the chamber 31 as mentioned above, and the flow path that forms in converging branching portion 12 can be stablized.In addition, extend downwards the bottom of the bottom of

operation extrudate

35a, 35b, 35c and 35d and a part 31 main parts from the chamber of 31 bottoms, chamber, liquid-mixing infusor B might be connected on the configuration plate by operation extrudate 35a etc., be fixed on the configuration plate.Therefore, operating portion 45 can not be installed on the configuration plate by interfere with liquid mixing infusion device B, and when liquid-mixing infusor B was installed on the configuration plate, it is simple that the operation of operating portion 45 becomes.Other role and influence of this liquid-mixing infusor B are identical with above-mentioned liquid-mixing infusor A's.

The 3rd embodiment

[0058] Figure 16-18 has showed the liquid-mixing infusor C as third embodiment of the invention.This liquid-mixing infusor C has a vertical cross-section same as shown in Figure 13 along its length.In this liquid-mixing infusor C, be formed with the valve 51 of a substantial cylindrical shape, this valve has the

depression connecting portion

52 and 53 that forms on both sides, have cylindrical central axis between the two.

Depression connecting portion

52 and 53 approximately equal along the width of valve 51 circumferencial directions, and on the peripheral surface of valve 51,

depression connecting portion

52 and 53 position have valve 51 central axis from the centre both sides are shifted slightly.

[0059] that is to say, be similar to depression connecting portion 22, depression connecting portion 52 comprises a connecting hole 52b who is positioned at the upper recess part 52a of top side and passes upper recess part 52a bottom and valve 51 peripheral surfaces.Along the circumferential direction the width of the connecting hole 52b of She Zhiing approximately is two double-lengths of connecting hole 56a diameter, and the vertical length of connecting hole 52b is configured to approximately and the equal diameters of connecting hole 56a.In addition, be similar to depression connecting hole 23, depression connecting portion 53 comprises a connecting hole 53b who is positioned at the upper recess part 53a of top side and passes upper recess part 32a bottom and valve 51 peripheral surfaces.Along the circumferential direction the width of the connecting hole 53b of She Zhiing approximately is the twice of connecting hole 56b diameter, and the vertical length of connecting hole 53b is configured to approximately and the equal diameters of connecting hole 56b.

[0060] in addition, in the plane graph, the level cross-sectionn of depression connecting portion 52 forms roughly foursquare shape, outer circumferential side towards distortion extends from vertical wall 54a side in a clockwise direction for it, and the level cross-sectionn of depression connecting portion 53 in plane graph forms roughly foursquare shape, and it is so that counterclockwise the outer circumferential side towards distortion extends from vertical wall 54a side.In addition, as shown in figure 16, when the front part (bottom side portion of Figure 16) of depression connecting portion 52 can be towards connecting hole 56a, the front part of depression connecting portion 53 was towards connecting hole 56b.Therefore, if along the circumferential direction, the center of the outer circumferential side of depression connecting portion 52 can be positioned at vertical one of the central shaft of valve 51 supposes on the line a that center of that depression connecting portion 53 outer circumferential sides part is just away from this hypothesis line a.

[0061] if valve 51 can rotate in a counter-clockwise direction the state of Figure 17 from the state of Figure 16, the rear section of that depression connecting portion 52 continues towards connecting hole 56a, but the connecting portion 53 that caves in is blocked.In addition, if valve 51 can rotate to the state of Figure 18 in a clockwise direction from the state of Figure 16, the rear section of that depression connecting portion 53 continues towards connecting hole 56b, but the connecting portion 52 that caves in is blocked.According to this structure, might carry out following operation: the path between connecting portion 52 and the connecting hole 56a of will caving in is connected, blocks this two paths with depression connecting portion 53 and path between the connecting hole 56b or only connects the path of caving between connecting portion 52 and the connecting hole 56a selectively or the path between connecting portion 53 and the connecting hole 56b of caving in.

[0062] when using this structure to use a kind of certain drug solution, is similar to the operation that above-mentioned second embodiment carries out to the patient.If by adapter that one is connected with infusion tube with converge branching portion 12 and link to each other and make another kind of drug solution mix with the drug solution of upstream branch pipe 14, that other drug solution from the supply of adapter side is once delivered to upstream branch pipe 14 sides, the drug solution of upstream branch pipe 14 sides is adjusted to suitable solubility, and can flow to downstream branch pipe 13 sides subsequently.If like this, as shown in figure 18, valve 51 is rotatable by depression connecting portion 53 chamber 13 being communicated with upstream branch pipe 14, and the path of caving between connecting portion 52 and the downstream branch pipe 13 is blocked.

[0063] subsequently, by top portion branch 12 and depression connecting portion 53, drug solution is supplied to upstream branch pipe 14 sides from the adapter side, and this drug solution mixes with the drug solution that calm gas is supplied with upstream branch pipe 14, and this container links to each other with the upstream branch pipe.Subsequently, the valve 51 rotatable states that reach Figure 16, this state is communicated with chamber 31 and upstream branch pipe 14 for passing through depression connecting portion 53, and meanwhile, chamber 31 is communicated with downstream branch pipe 13 by depression connecting portion 52.

[0064] in aforesaid state, supply with upstream branch pipe 14 with the drug solution in the container that upstream branch pipe 14 links to each other, blended these two kinds of drug solutions or all use in upstream branch pipe 14 to the patient near the flow of a part of admixture of downstream branch pipe 13 sides.In addition, even using under the situation of this liquid-mixing infusor C, also may be only will supply with downstream branch pipe 13 with a kind of drug solution in the container that upstream branch pipe 14 links to each other or with a kind of drug solution supply downstream branch pipe 13 of adapter side.

[0065] according to this liquid-mixing infusor C of above-mentioned explanation, once delivered to upstream branch pipe 14 sides from a kind of drug solution of adapter side supply, this drug solution mixes with the another kind of drug solution of supplying from container, and subsequently with in this mixture input patient body, said vesse links to each other with upstream branch pipe pipe 14.For these two kinds of drug solutions of energy uniform mixing, two kinds of enough length of flow path that drug solutions mix the back and take to the patient.As a result, these two kinds of drug solutions are taken for the patient with mixed uniformly state.The effect that other effects of this liquid-mixing infusor C and effect are similar to other effects of above-mentioned liquid-mixing infusor B.

[0066] liquid-mixing infusor of the present invention needn't be limited to those embodiments of foregoing description, and suitable distortion also is possible.For example, in above-mentioned each embodiment, rubber stopper 29 can be formed with a seam 29d, and an adapter can be installed in converging branching portion 12 by in seam 29d, inserting male luer, but as the replacement of using adapter, syringe type male luer of insertion or entry needle also are possible in rubber stopper 29.If the use entry needle just need not form seam 29d in rubber stopper 29.

[0067] also downstream branch pipe 13 and upstream branch pipe 14 windows may be installed on the peripheral surface in chamber 11, and use between indicator for displaying chamber 11 and the downstream branch pipe 13 on the peripheral surface of valve 21, the connection and the blocking state in path between chamber 11 and the upstream branch pipe 14 etc., therefore, it is possible watching indicator by acknowledgement window.Therefore, the position of rotating part can be determined reliably.As an indicator under this situation, might use, for example use " O " representative to open and represent the feature close with " C ".In addition, also may change the shape, material etc. of other parts suitably to construct liquid-mixing infusor of the present invention.

Claims

1, a kind of liquid-mixing infusor (A, B, C), it comprises main body (10,30) and rotatable valve body (21,41), this main body has first ingress port (16b) and outlet port (16a), described valve body is arranged on an intracavity of described main body, described valve body can rotate between through-flow position of fluid and fluid blocking position, wherein, described valve body (21) comprises the actuator arm (27a that at least one extends to the outside of described main body, 27b, 47a, 47b), described liquid-mixing infusor comprises second ingress port (12), and this second ingress port is connected with the fluid flowing passage fluid flow of described valve body.

2, liquid-mixing infusor according to claim 1, wherein, described second ingress port comprises self-packing closure (29).

3, according to claim 1 or 2 described liquid-mixing infusors, wherein, described valve body comprises air trap (24a).

4, liquid-mixing infusor according to claim 3, wherein, described air trap (24a) comprises the step that is positioned at described fluid flowing passage.

5, liquid-mixing infusor according to claim 1, wherein, described second ingress port (12) links to each other with described valve body (21).

6, liquid-mixing infusor according to claim 1, wherein, described second ingress port (12) links to each other with described main body (30).

7, liquid-mixing infusor according to claim 1, wherein, described fluid flowing passage comprises entrance branch (23b) and outlet branch (22b), and described entrance branch and outlet branch are of different sizes so that mobile being blocked of fluid from described first ingress port (16b) to described outlet port (16a), and the maintenance fluid flow to described outlet port from described second ingress port (12).

8, liquid-mixing infusor according to claim 7, wherein, each described entrance branch and described outlet branch (22b) all are at the intravital through hole of described valve, and the ramose projected area of described outlet is bigger three times than the projected area of described entrance branch (23b) substantially.

9, liquid-mixing infusor according to claim 1, wherein, described fluid flowing passage comprises entrance branch (53b) and outlet branch (52b), and these entrance branch and outlet branch construct become to make that described valve body (51) can be positioned to provide open channel selectively between as lower port: between first ingress port (56b), second ingress port (12) and the outlet port (56a); Between second ingress port (12) and the outlet port (56a), but there is not first ingress port (56b); And first between ingress port (56b) and second ingress port (12), but does not export port (56a).

10, liquid-mixing infusor according to claim 1, wherein, described main body comprises a plurality of retainer detent (17a, 17b, 18a, 18b) that are positioned on the main body outer surface, these brake components engage with at least one described actuator arm (27a, 27b).

11, a kind of liquid-mixing infusor, it is characterized in that, this infusion device disposes the liquid-mixing infusor main body, valve and rotating part, the liquid-mixing infusor main body comprises the chamber, branching portion and a pair of branched pipe, the middle body in this chamber forms cylindrical that it axially is provided with vertically, branching portion forms and disposes a flow path that can be connected or block with the inside in described chamber above described chamber, described a pair of branched pipe stretches out from the both sides of the peripheral surface of the middle body in described chamber, and has the flow path that is connected with the inside in described chamber respectively, described valve is installed in the inside in described chamber with rotatable state on the axle Zhou Fangxiang in described chamber, and this valve makes between described a pair of branched pipe and the described chamber and blocks, perhaps in the described a pair of branched pipe at least one linked to each other with the inside in described chamber by described branching portion, described rotating part begins to extend to the outside in described chamber from described valve, and this rotating part have one in the outside in described chamber the operating portion along the axle Zhou Fangxiang rotation in described chamber.

12, liquid-mixing infusor according to claim 11, wherein, described chamber forms a cylinder that the end is arranged, it is in open top, in bottom closure, described operating portion forms a lid type body that is connected the open top side in described chamber with rotation mode, and described branching portion is installed in the described operating portion.

13, liquid-mixing infusor according to claim 11, wherein, described chamber forms the cylinder of an equal opening in two ends, simultaneously, operating portion can extend to the outside in described chamber from the bottom opening in described chamber, one lid type body is attached at the top open part in described chamber, and described branching portion is installed in the described lid type body.

14, liquid-mixing infusor according to claim 13, wherein, described operating portion can move along the part of the particular range on the circumference of the bottom opening in described chamber, and the part that described operating portion is positioned on the circumference of described bottom opening outside the described moving range is extended downwards from the bottom of described operating portion.

15, according to arbitrary described liquid-mixing infusor among the claim 11-14, wherein, described valve has a pair of blocking-up portion and a pair of recessed connecting portion, when described valve is installed in described intracavity portion, blocking-up portion makes between described a pair of branched pipe and the described chamber with specific direction and blocks, when making described valve rotate about 90 when spending from described specific direction, recessed connecting portion makes between described a pair of branched pipe and the described chamber and connects, in addition, described a pair of recessed connecting portion is configured to difference along the width of direction of rotation, make when described valve from described specific direction when rotating than the little special angle of about 90 degree, have only one to link to each other in the described a pair of branched pipe with described chamber.

16, according to arbitrary described liquid-mixing infusor among the claim 11-15, wherein, described valve has a pair of blocking-up portion and a pair of lower concave part, when described valve is installed in described intracavity portion, blocking-up portion makes between described a pair of branched pipe and the described chamber with specific direction and blocks, when making described valve rotate about 90 when spending from described specific direction, described lower concave part makes between described a pair of branched pipe and the described chamber and connects, in addition, the transposition of partial of the position of described a pair of recessed connecting portion from the excircle of described valve, part on the excircle of this valve is passed a vertical hypothesis line of the central axis with described valve, make when described valve from described specific direction when rotating than the little special angle of about 90 degree, have only one to link to each other in the described a pair of branched pipe with described chamber.

17, according to arbitrary described liquid-mixing infusor among the claim 11-16, wherein, the circumferential surface in described chamber has a plurality of positioning convex, simultaneously, described operating portion has a plurality of brake components of settling on ad-hoc location, described brake component can engage with described positioning convex and brake described valve.

18, according to arbitrary described liquid-mixing infusor among the claim 11-17, wherein, described branching portion comprises a plurality of columniform branched pipe and rubber stoppers of being roughly, described branched pipe is installed in the open top side in described chamber, rubber stopper is installed in described branched pipe inside, and pipe is inserted to pass through.