CN103127576A - Multi-bottle infusion device - Google Patents

Abstract

The multi-bottle transfusion device is provided with a medicine changing valve, and when a patient needs various kinds of liquid medicines for transfusion treatment, a nurse connects each puncture connector of the medicine changing device with each liquid medicine bottle; when the liquid medicine in the first liquid medicine bottle is completely infused, the patient or accompanying personnel rotates the rotating hand wheel of the medicine changing valve to ensure that the number pointer of the infusion bottle is aligned with the number mark of the corresponding infusion bottle, and the liquid medicine in the next liquid medicine bottle is connected to the infusion apparatus by utilizing the liquid guide hole of the rotating valve core, thereby solving the problem that the hands of a nurse are not enough.

Description

Many bottles of infusion sets

Technical field

The present invention relates to a kind of infusion set, particularly a kind of many bottles of infusion sets.

Background technology

At present, the many client need infusion treatments of hospital outpatient, simultaneously, many client need are with multiple different medicinal liquid, after having sprayed one bottle or one bag of medicinal liquid, need the nurse to change second bottle or second bag of medicinal liquid; Because patient is more, the nurse is less, the situation that the nurse has little time to change often occurs; A kind of many bottles of infusion sets can security implementation being changed medicinal liquid by patient or retinue have become the needs of patient infusion treatment.

Summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art, a kind of many bottles of infusion sets are provided, be used for the infusion treatment of many bottle liquid medicines of outpatient, reduce nurse's workload.

the technical solution adopted in the present invention is: many bottles of infusion sets, include transfusion device and suspension bracket, and transfusion device includes dropping funnel, flow control valve, filter and transfusion needle, and dropping funnel, flow control valve, filter and transfusion needle connect by conduit, many bottles of infusion sets are provided with dressing change device, dressing change device includes a plurality of puncture joints and the valve of changing dressings, a plurality of puncture joints are connected with the air inlet device, the valve of changing dressings includes valve seat and rotary spool, valve seat is provided with the commutation die cavity, liquid collecting cavity, a plurality of infusion connectors and a plurality of liquid outlet, each infusion connector correspondence is provided with a liquid outlet, each liquid outlet is communicated with liquid collecting cavity, the centrage of each infusion connector is identical with the centrage of corresponding liquid outlet, the centrage of each infusion connector is vertical with the axis of rotary spool, each liquid outlet is positioned at the below of corresponding infusion connector, rotary spool is provided with delivery hole, rotary spool is actively tied in the reversing intracavity of valve seat, the delivery hole of rotary spool is communicated with the first infusion connector of valve seat and corresponding liquid outlet, the centrage of delivery hole is vertical with the axis of rotary spool, the centrage of delivery hole and infusion connector with and the centrage of corresponding liquid outlet at grade, valve seat is provided with the fluid joint, and the fluid joint is communicated with liquid collecting cavity, valve seat and rotary spool are tightly connected, and are provided with sealing member between valve seat and rotary spool, and sealing member is provided with through hole, and each liquid outlet is communicated with the through hole that faces toward, each puncture joint is by transfusion catheter and the connection of corresponding infusion connector, and the fluid joint is connected with dropping funnel by going out fluid catheter, the front end of rotary spool is provided with rotation hand wheel, and rotation hand wheel is provided with infusion bottle and counts pointer, and infusion bottle is counted the obverse valve seat of pointer and is provided with infusion bottle number sign, is used to indicate different infusion bottle numbers.

Infusion connector includes the first infusion connector, the second infusion connector and the 3rd infusion connector, liquid outlet includes the first liquid outlet, the second liquid outlet and the 3rd liquid outlet, medicinal liquid bottle includes the first medicinal liquid bottle, the second medicinal liquid bottle and the 3rd medicinal liquid bottle, and the puncture joint includes the first puncture joint, the second puncture joint and the 3rd puncture joint; The first medicinal liquid bottle is connected with the first puncture joint, and the first puncture joint is connected with the first infusion connector; The second medicinal liquid bottle is connected with the second puncture joint, and the second puncture joint is connected with the second infusion connector; The 3rd medicinal liquid bottle is connected with the 3rd puncture joint, and the 3rd puncture joint is connected with the 3rd infusion connector; The infusion bottle number indicates and includes the first infusion bottle number sign, the second infusion bottle number indicates and the 3rd infusion bottle number indicates.

The operation principle of many bottles of infusion sets is: during work, the nurse is connected each puncture joint of dressing change device with the medicinal liquid bottle of each; And rotate rotation hand wheel with hands, make infusion bottle count pointer and aim at the first infusion bottle number sign; The medicinal liquid of the first medicinal liquid bottle is entered into the first infusion connector of valve seat by the first puncture joint and transfusion catheter, its medicinal liquid enters liquid collecting cavity by the first infusion connector through delivery hole and corresponding first liquid outlet of rotary spool, the medicinal liquid that enters liquid collecting cavity is by the fluid joint of valve seat and go out the dropping funnel that fluid catheter enters transfusion device, after nurse's aerofluxus, utilize transfusion device that patient is infused; When the medicinal liquid of the first medicinal liquid bottle is totally lost, rotate rotation hand wheel by patient or the person of accompanying with hands, make infusion bottle count pointer and aim at the second infusion bottle number sign, the medicinal liquid of the second medicinal liquid bottle is entered into the second infusion connector of valve seat by the second puncture joint and transfusion catheter, its medicinal liquid enters liquid collecting cavity by the second infusion connector through delivery hole and corresponding second liquid outlet of rotary spool, the medicinal liquid that enters liquid collecting cavity is by the fluid joint of valve seat and go out the dropping funnel that fluid catheter enters transfusion device, patient is carried out the transfusion of the second medicinal liquid bottle; When the medicinal liquid transfusion of the second medicinal liquid bottle is completed, utilize hands to rotate rotation hand wheel by patient or the person of accompanying, make infusion bottle count pointer and aim at the 3rd infusion bottle number sign, the medicinal liquid of the 3rd medicinal liquid bottle is entered into the 3rd infusion connector of valve seat by the 3rd puncture joint and transfusion catheter, its medicinal liquid enters liquid collecting cavity by the 3rd infusion connector through the delivery hole of rotary spool and the 3rd corresponding liquid outlet, the medicinal liquid that enters liquid collecting cavity is by the fluid joint of valve seat and go out the dropping funnel that fluid catheter enters transfusion device, patient is carried out the transfusion of the 3rd medicinal liquid bottle; Reduce nurse's workload.

The invention has the beneficial effects as follows: many bottles of infusion sets are provided with the valve of changing dressings, and when the client need multiple-medicinal-liquid carried out infusion treatment, the nurse was connected each puncture joint of dressing change device with the medicinal liquid bottle of each; When the medicinal liquid of first medicinal liquid bottle is totally lost, rotated the rotation hand wheel of the valve of changing dressings by patient or retinue, make its infusion bottle count pointer and aim at its corresponding infusion bottle number sign, utilize the delivery hole of rotary spool that the medicinal liquid of next medicinal liquid bottle is received transfusion device, solved the inadequate problem of nurse's staff.

Description of drawings

Fig. 1 is the structural representation of many bottles of infusion sets.

The specific embodiment

Below in conjunction with accompanying drawing, the present invention is further detailed:

the structural representation of many bottles of infusion sets shown in Figure 1, many bottles of infusion sets, include transfusion device 1 and suspension bracket 2, transfusion device 1 includes dropping funnel 3, flow control valve 4, filter 5 and transfusion needle 6, and dropping funnel 3, flow control valve 4, filter 5 and transfusion needle 6 connect by conduit, many bottles of infusion sets are provided with dressing change device 7, dressing change device 7 includes a plurality ofpuncture joints 8 and thevalve 9 of changing dressings,puncture joint 8 is connected withair inlet device 10, thevalve 9 of changing dressings includesvalve seat 11 androtary spool 12,valve seat 11 is provided withcommutation die cavity 13,liquid collecting cavity 14, a plurality ofinfusion connectors 15 and a plurality ofliquid outlet 16, eachinfusion connector 15 correspondence is provided with aliquid outlet 16, eachliquid outlet 16 is communicated withliquid collecting cavity 14, the centrage of eachinfusion connector 15 is identical with the centrage of correspondingliquid outlet 16, the centrage of eachinfusion connector 15 is vertical with the axis ofrotary spool 12, eachliquid outlet 16 is positioned at the below ofcorresponding infusion connector 15,rotary spool 12 is provided withdelivery hole 17,rotary spool 12 is actively tied in thecommutation die cavity 13 ofvalve seat 11, thedelivery hole 17 ofrotary spool 12 and thefirst infusion connector 15 ofvalve seat 11 and correspondingliquid outlet 16 are communicated with, the centrage ofdelivery hole 17 is vertical with the axis ofrotary spool 12, the centrage ofdelivery hole 17 andinfusion connector 15 with and the centrage of correspondingliquid outlet 16 at grade,valve seat 11 is provided withfluid joint 18, andfluid joint 18 is communicated withliquid collecting cavity 14,valve seat 11 is tightly connected withrotary spool 12, be provided with sealingmember 19 betweenvalve seat 11 androtary spool 12, sealingmember 19 is fixedly connected with thecommutation die cavity 13 ofvalve seat 11, sealingmember 19 is connected movingly withrotary spool 12, sealingmember 19 is provided with throughhole 20, and eachliquid outlet 16 is communicated with the throughhole 20 that faces toward, eachpuncture joint 8 is by transfusion catheter and 15 connections of corresponding infusion connector, andfluid joint 18 is connected with dropping funnel 3 by going out fluid catheter, the front end ofrotary spool 12 is provided with rotation hand wheel 21, and rotation hand wheel 21 is provided with infusion bottle andcounts pointer 22, and infusion bottle is counted theobverse valve seat 11 ofpointer 22 and is provided with infusionbottle number sign 23, rotate rotation hand wheel 21 with hands,rotary spool 12 rotates with the rotation of rotation hand wheel 21, infusion bottle is countedpointer 22 and is rotated to when aiming at the infusion bottle number and indicating 23 position, theinfusion connector 15 that thedelivery hole 17 ofrotary spool 12 is corresponding with it andliquid outlet 16 are communicated with, and make the medicinal liquid of corresponding medicinalliquid bottle 24 enter transfusion device 1 throughpuncture joint 8,infusion connector 15,delivery hole 17,fluid joint 18 andliquid collecting cavity 14 byinfusion connector 15,infusion connector 15, the angle of the centrage offirst infusion connector 15 and the centrage ofNext infusion connector 15 be less than 90 ° of angles, and the angle of the centrage ofNext infusion connector 15 and the centrage ofNext infusion connector 15 again is less than 90 ° of angles.

In order to make patient or the person of accompanying to change different medicinal liquid bottles, be further designed to:infusion connector 15 includes thefirst infusion connector 25, thesecond infusion connector 26 and the3rd infusion connector 27,liquid outlet 16 includes the firstliquid outlet 28, the secondliquid outlet 29 and the 3rdliquid outlet 30, medicinalliquid bottle 24 includes the first medicinalliquid bottle 34, the second medicinalliquid bottle 35 and the 3rd medicinalliquid bottle 36, andpuncture joint 8 includes thefirst puncture joint 37, thesecond puncture joint 38 and the3rd puncture joint 39; The first medicinalliquid bottle 34 is connected with thefirst puncture joint 37, and thefirst puncture joint 37 is connected with thefirst infusion connector 25; The second medicinalliquid bottle 35 is connected with thesecond puncture joint 38, and thesecond puncture joint 38 is connected with thesecond infusion connector 26; The 3rd medicinalliquid bottle 36 is connected with the3rd puncture joint 39, and the3rd puncture joint 39 is connected with the3rd infusion connector 27; The centrage of thefirst infusion connector 25 is identical with the centrage of the firstliquid outlet 28, and the centrage of thesecond infusion connector 26 is identical with the centrage of the secondliquid outlet 29, and the centrage of the3rd infusion connector 27 is identical with the centrage of the 3rdliquid outlet 30; The angle of thefirst infusion connector 25 centrages and thesecond infusion connector 26 centrages is 45° angle, and the angle of thesecond infusion connector 26 centrages and the3rd infusion connector 27 centrages is 45° angle; The infusion bottle number indicates 23 and includes first infusion bottle number sign the 31, second infusion bottle number sign the 32 and the 3rd infusionbottle number sign 33; The cross section ofspool 12 is circular, and the centrage of the centrage of the first infusionbottle number sign 31, the second infusionbottle number sign 32 and the centrage of the 3rd infusionbottle number sign 33 are vertical with the axis ofrotary spool 12; The angle of the centrage of the centrage of the first infusionbottle number sign 31 and the second infusionbottle number sign 32 is 45° angle, and the angle of the centrage of the centrage of the second infusionbottle number sign 32 and the 3rd infusionbottle number sign 33 is 45° angle.

The state of many bottles of infusion set medicinal liquid circulations is: infusion bottle is countedpointer 22 sensing the first infusionbottle numbers sign 31, thefirst infusion connectors 25 and is communicated withdelivery hole 17 and the firstliquid outlet 28; Perhaps, infusion bottle is countedpointer 22 and is pointed to the second infusion bottle numbers and indicate 32, thesecond infusion connectors 26 and be communicated withdelivery hole 17 and the secondliquid outlet 29; Perhaps, infusion bottle is countedpointer 22 and is pointed to the 3rd infusion bottle numbers and indicate 33, the threeinfusion connectors 27 and be communicated withdelivery hole 17 and the 3rdliquid outlet 30.

Claims (9)

Translated fromChinese

1.多瓶输液装置，包括有输液器(1)以及吊架(2)，输液器(1)包括有滴斗(3)、流量调节阀(4)、过滤器(5)以及输液针(6)，滴斗(3)、流量调节阀(4)、过滤器(5)以及输液针(6)通过导管连接；其特征在于：所述的多瓶输液装置设有换药装置(7)，换药装置(7)包括有多个穿刺接头(8)以及换药阀(9)，穿刺接头(8)连接有进气器件(10)，换药阀(9)包括有阀座(11)以及旋转阀芯(12)，阀座(11)设有换向型腔(13)、集液腔(14)、多个输液接口(15)以及多个出液孔(16)，每个输液接口(15)对应设有一个出液孔(16)，每个出液孔(16)与集液腔(14)连通，每个输液接口(15)的中心线与对应的出液孔(16)的中心线相同，每个输液接口(15)的中心线与旋转阀芯(12)的轴线垂直，每个出液孔(16)位于对应的输液接口(15)的下方；旋转阀芯(12)设有导液孔(17)，旋转阀芯(12)动配合于阀座(11)的换向型腔(13)内，旋转阀芯(12)的导液孔(17)与阀座(11)的首个的输液接口(15)以及对应的出液孔(16)连通，导液孔(17)的中心线与旋转阀芯(12)的轴线垂直，导液孔(17)的中心线与输液接口(15)以及其对应的出液孔(16)的中心线在同一平面上；阀座(11)设有出液接头(18)，出液接头(18)与集液腔(14)连通；阀座(11)与旋转阀芯(12)密封连接，阀座(11)与旋转阀芯(12)之间设有密封件(19)，密封件(19)上设有通孔(20)，每个出液孔(16)与对着的通孔(20)连通；每个穿刺接头(8)通过输液导管与对应的输液接口(15)连接，出液接头(18)通过出液导管与滴斗(3)连接；旋转阀芯(12)的前端设有旋转手轮(21)，旋转手轮(21)设有输液瓶数指针(22)，输液瓶数指针(22)对应面的阀座(11)上设有输液瓶数标示(23)。1. A multi-bottle infusion device, including an infusion set (1) and a hanger (2), the infusion set (1) includes a drip funnel (3), a flow regulating valve (4), a filter (5) and an infusion needle ( 6), the drip funnel (3), the flow regulating valve (4), the filter (5) and the infusion needle (6) are connected through a catheter; it is characterized in that: the multi-bottle infusion device is provided with a dressing change device (7) , the dressing change device (7) includes a plurality of puncture joints (8) and a dressing change valve (9), the piercing joint (8) is connected with an air inlet device (10), and the dressing change valve (9) includes a valve seat (11 ) and the rotary valve core (12), the valve seat (11) is provided with a reversing cavity (13), a liquid collection chamber (14), a plurality of infusion ports (15) and a plurality of liquid outlet holes (16), each The infusion interface (15) is correspondingly provided with a liquid outlet hole (16), and each liquid outlet hole (16) is communicated with the liquid collection chamber (14), and the center line of each infusion interface (15) is connected with the corresponding liquid outlet hole ( 16) have the same center line, the center line of each infusion interface (15) is perpendicular to the axis of the rotary spool (12), and each outlet hole (16) is located below the corresponding infusion interface (15); the rotary spool (12) is provided with a liquid guide hole (17), and the rotary valve core (12) is movably fitted in the reversing cavity (13) of the valve seat (11), and the liquid guide hole (17) of the rotary valve core (12) and The first infusion port (15) of the valve seat (11) communicates with the corresponding liquid outlet hole (16), the center line of the liquid guide hole (17) is perpendicular to the axis of the rotary valve core (12), and the liquid guide hole (17) ) and the center line of the infusion interface (15) and its corresponding outlet hole (16) are on the same plane; the valve seat (11) is provided with an outlet joint (18), and the outlet joint (18) is connected to the collection The liquid chamber (14) is in communication; the valve seat (11) is in sealing connection with the rotary valve core (12), and a seal (19) is arranged between the valve seat (11) and the rotary valve core (12). A through hole (20) is provided, and each outlet hole (16) communicates with the opposite through hole (20); each puncture connector (8) is connected to the corresponding infusion interface (15) through an infusion catheter, and the outlet connector (18) is connected with the drip funnel (3) through the liquid outlet conduit; the front end of the rotary valve core (12) is provided with a rotary handwheel (21), and the rotary handwheel (21) is provided with an infusion bottle number pointer (22), and the infusion bottle The number indicator (23) of the infusion bottle is provided on the valve seat (11) corresponding to the number pointer (22).2.根据权利要求1所述的多瓶输液装置，其特征在于：转动旋转手轮(21)，旋转阀芯(12)随旋转手轮(21)的转动而转动，输液瓶数指针(22)旋转到对准输液瓶数标示(23)的位置时，旋转阀芯(12)的导液孔(17)与其对应的输液接口(15)以及出液孔(16)连通，使对应的药液瓶(24)的药液可以由输液接口(15)经穿刺接头(8)、输液接口(15)、导液孔(17)、出液接头(18)以及集液腔(14)进入输液器(1)。2. The multi-bottle infusion device according to claim 1, characterized in that: the rotary handwheel (21) is rotated, the rotary valve core (12) rotates with the rotation of the rotary handwheel (21), and the infusion bottle number pointer (22 ) is rotated to the position aligned with the number mark (23) of the infusion bottle, the liquid guide hole (17) of the rotary spool (12) communicates with the corresponding infusion port (15) and the liquid outlet hole (16), so that the corresponding medicine The liquid medicine in the liquid bottle (24) can enter the infusion solution from the infusion interface (15) through the puncture joint (8), the infusion interface (15), the guide hole (17), the liquid outlet joint (18) and the liquid collection cavity (14). device (1).3.根据权利要求2所述的多瓶输液装置，其特征在于：所述首个的输液接口(15)的中心线与下一个的输液接口(15)的中心线的夹角小于90°角，下一个的输液接口(15)的中心线与再下一个的输液接口(15)的中心线的夹角小于90°角。3. The multi-bottle infusion device according to claim 2, characterized in that: the included angle between the centerline of the first infusion interface (15) and the centerline of the next infusion interface (15) is less than 90° , the included angle between the center line of the next infusion interface (15) and the center line of the next infusion interface (15) is less than 90°.4.根据权利要求3所述的多瓶输液装置，其特征在于：所述的输液接口(15)包括有第一输液接口(25)、第二输液接口(26)以及第三输液接口(27)，出液孔(16)包括有第一出液孔(28)、第二出液孔(29)以及第三出液孔(30)，药液瓶(24)包括有第一药液瓶(34)、第二药液瓶(35)以及第三药液瓶(36)，穿刺接头(8)包括有第一穿刺接头(37)、第二穿刺接头(38)以及第三穿刺接头(39)；第一药液瓶(34)与第一穿刺接头(37)连接，第一穿刺接头(37)与第一输液接口(25)连接；第二药液瓶(35)与第二穿刺接头(38)连接，第二穿刺接头(38)与第二输液接口(26)连接；第三药液瓶(36)与第三穿刺接头(39)连接，第三穿刺接头(39)与第三输液接口(27)连接。4. The multi-bottle infusion device according to claim 3, characterized in that: said infusion interface (15) includes a first infusion interface (25), a second infusion interface (26) and a third infusion interface (27) ), the liquid outlet (16) includes the first liquid outlet (28), the second liquid outlet (29) and the third liquid outlet (30), and the liquid medicine bottle (24) includes the first liquid medicine bottle (34), the second liquid medicine bottle (35) and the third liquid medicine bottle (36), the piercing joint (8) includes the first piercing joint (37), the second piercing joint (38) and the third piercing joint ( 39); the first liquid medicine bottle (34) is connected with the first piercing joint (37), and the first piercing joint (37) is connected with the first infusion interface (25); the second liquid medicine bottle (35) is connected with the second piercing joint joint (38), the second puncture joint (38) is connected with the second infusion interface (26); the third liquid medicine bottle (36) is connected with the third puncture joint (39), the third puncture joint (39) is connected with the first Three infusion ports (27) are connected.5.根据权利要求4所述的多瓶输液装置，其特征在于：所述的第一输液接口(25)的中心线与第一出液孔(28)的中心线相同，第二输液接口(26)的中心线与第二出液孔(29)的中心线相同，第三输液接口(27)的中心线与第三出液孔(30)的中心线相同；第一输液接口(25)中心线与第二输液接口(26)中心线的夹角为45°角，第二输液接口(26)中心线与第三输液接口(27)中心线的夹角为45°角。5. multi-bottle infusion device according to claim 4, is characterized in that: the centerline of described first infusion interface (25) is identical with the centerline of first liquid outlet hole (28), and the second infusion interface ( 26) is the same as the centerline of the second liquid outlet hole (29), the centerline of the third infusion port (27) is the same as the centerline of the third liquid outlet (30); the first infusion port (25) The angle between the center line and the center line of the second infusion interface (26) is 45°, and the angle between the center line of the second infusion interface (26) and the center line of the third infusion interface (27) is 45°.6.根据权利要求5所述的多瓶输液装置，其特征在于：所述的输液瓶数标示(23)包括有第一输液瓶数标示(31)、第二输液瓶数标示(32)以及第三输液瓶数标示(33)；阀芯(12)的截面为圆形，第一输液瓶数标示(31)的中心线、第二输液瓶数标示(32)的中心线以及第三输液瓶数标示(33)的中心线与旋转阀芯(12)的轴线垂直；第一输液瓶数标示(31)的中心线与第二输液瓶数标示(32)的中心线的夹角为45°角，第二输液瓶数标示(32)的中心线与第三输液瓶数标示(33)的中心线的夹角为45°角。6. The multi-bottle infusion device according to claim 5, characterized in that: said infusion bottle number mark (23) includes a first infusion bottle number mark (31), a second infusion bottle number mark (32) and The third infusion bottle number mark (33); the cross section of the spool (12) is circular, the center line of the first infusion bottle number mark (31), the center line of the second infusion bottle number mark (32) and the third infusion bottle number mark (33). The center line of the bottle number mark (33) is perpendicular to the axis of the rotary valve core (12); the included angle between the center line of the first infusion bottle number mark (31) and the center line of the second infusion bottle number mark (32) is 45° ° angle, the included angle of the centerline of the second infusion bottle number mark (32) and the center line of the third infusion bottle number mark (33) is a 45° angle.7.根据权利要求6所述的多瓶输液装置，其特征在于：所述的多瓶输液装置药液流通的状态是：输液瓶数指针(22)指向第一输液瓶数标示(31)，第一输液接口(25)与导液孔(17)以及第一出液孔(28)连通；或者，输液瓶数指针(22)指向第二输液瓶数标示(32)，第二输液接口(26)与导液孔(17)以及第二出液孔(29)连通；或者，输液瓶数指针(22)指向第三输液瓶数标示(33)，第三输液接口(27)与导液孔(17)以及第三出液孔(30)连通。7. The multi-bottle infusion device according to claim 6, characterized in that: the state of the liquid medicine circulation of the multi-bottle infusion device is: the pointer (22) for the number of infusion bottles points to the first mark (31) for the number of infusion bottles, The first infusion interface (25) communicates with the liquid guide hole (17) and the first liquid outlet hole (28); or, the infusion bottle number pointer (22) points to the second infusion bottle number mark (32), and the second infusion interface ( 26) communicate with the liquid guide hole (17) and the second liquid outlet hole (29); or, the infusion bottle number pointer (22) points to the third infusion bottle number mark (33), and the third infusion port (27) is connected to the liquid guide hole The hole (17) communicates with the third liquid outlet hole (30).8.根据权利要求1所述的多瓶输液装置，其特征在于：所述的密封件(19)与阀座(11)的换向型腔(13)固定连接，密封件(19)与旋转阀芯(12)动配合连接。8. The multi-bottle transfusion device according to claim 1, characterized in that: the sealing member (19) is fixedly connected with the reversing cavity (13) of the valve seat (11), and the sealing member (19) is connected with the rotating The spool (12) is dynamically fitted and connected.9.一种根据权利要求7所述的多瓶输液装置的工作原理，其特征在于：多瓶输液装置的工作原理是：工作时，护士将换药装置的每个的穿刺接头与每个的药液瓶连接；并用手转动旋转手轮，使输液瓶数指针对准第一输液瓶数标示；第一药液瓶的药液由第一穿刺接头以及输液导管进入到阀座的第一输液接口，其药液由第一输液接口经旋转阀芯的导液孔以及对应第一出液孔进入集液腔，进入集液腔的药液由阀座的出液接头以及出液导管进入输液器的滴斗，经护士排气后，利用输液器对病人进行输液；第一药液瓶的药液输完时，由病人或者陪同者用手转动旋转手轮，使输液瓶数指针对准第二输液瓶数标示，第二药液瓶的药液由第二穿刺接头以及输液导管进入到阀座的第二输液接口，其药液由第二输液接口经旋转阀芯的导液孔以及对应第二出液孔进入集液腔，进入集液腔的药液由阀座的出液接头以及出液导管进入输液器的滴斗，对病人进行第二药液瓶的输液；当第二药液瓶的药液输液完成时，由病人或者陪同者利用手转动旋转手轮，使输液瓶数指针对准第三输液瓶数标示，第三药液瓶的药液由第三穿刺接头以及输液导管进入到阀座的第三输液接口，其药液由第三输液接口经旋转阀芯的导液孔以及对应的第三出液孔进入集液腔，进入集液腔的药液由阀座的出液接头以及出液导管进入输液器的滴斗，对病人进行第三药液瓶的输液；减少护士的工作量。9. A working principle of the multi-bottle infusion device according to claim 7, characterized in that: the working principle of the multi-bottle infusion device is: during work, the nurse connects each puncture joint of the dressing changing device with each Connect the liquid medicine bottle; and turn the rotating handwheel by hand so that the pointer of the infusion bottle number is aligned with the number mark of the first infusion bottle; The liquid medicine enters the liquid collection chamber from the first infusion interface through the liquid guide hole of the rotating valve core and the corresponding first liquid outlet hole, and the liquid medicine entering the liquid collection chamber enters the infusion solution through the liquid outlet joint of the valve seat and the liquid outlet catheter The drip funnel of the device, after exhausted by the nurse, uses the infusion device to infuse the patient; when the liquid in the first liquid medicine bottle is infused, the patient or the accompanying person turns the rotary handwheel by hand to align the number pointer of the infusion bottle The number of the second infusion bottle is marked. The liquid medicine in the second liquid medicine bottle enters the second infusion port of the valve seat through the second puncture joint and the infusion catheter, and the liquid medicine passes through the liquid guide hole of the rotary valve core and the second infusion port through the second infusion port. Correspondingly, the second liquid outlet hole enters the liquid collection chamber, and the medicinal liquid entering the liquid collection chamber enters the dripping funnel of the infusion set through the liquid outlet joint of the valve seat and the liquid outlet conduit, and performs infusion of the second medicinal liquid bottle to the patient; when the second When the infusion of the liquid medicine in the liquid medicine bottle is completed, the patient or the companion rotates the handwheel by hand, so that the number pointer of the infusion bottle is aligned with the number mark of the third infusion bottle, and the medicine liquid in the third liquid medicine bottle is passed by the third puncture joint and the third infusion bottle. The infusion catheter enters the third infusion interface of the valve seat, and the medicinal solution enters the liquid collection chamber from the third infusion interface through the liquid guide hole of the rotating valve core and the corresponding third liquid outlet hole, and the medicinal liquid entering the liquid collection chamber is passed by the valve. The liquid outlet connector of the seat and the liquid outlet conduit enter the dripping funnel of the infusion set, and the third liquid medicine bottle is infused to the patient; the workload of the nurse is reduced.

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