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CN109528489A - A kind of medical fluid blends conveying device - Google Patents

A kind of medical fluid blends conveying device Download PDF

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Publication number
CN109528489A
CN109528489A CN201910088151.XA CN201910088151A CN109528489A CN 109528489 A CN109528489 A CN 109528489A CN 201910088151 A CN201910088151 A CN 201910088151A CN 109528489 A CN109528489 A CN 109528489A
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CN
China
Prior art keywords
needle
liquid
delivery
conveying
airbag
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Granted
Application number
CN201910088151.XA
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Chinese (zh)
Other versions
CN109528489B (en
Inventor
高晓露
赵晓玲
沈艳
董莉
孔练花
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Jiangsu Province Hospital
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Jiangsu Province Hospital
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Priority to CN201910088151.XA priority Critical patent/CN109528489B/en
Publication of CN109528489A publication Critical patent/CN109528489A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2006—Piercing means
    • A61J1/2017—Piercing means having three or more piercing ends
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2048—Connecting means

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

本发明提供一种药液勾兑输送装置，上输送部包括第一气体输送针头、第一液体输送针头和第一针头固定座，第一气体输送针头和第一液体输送针头穿设在第一针头固定座内，第一气体输送针头内设有伸缩延长管，第一针头固定座上设有调节旋钮；下输送部包括第二气体输送针头、第二液体输送针头和第二针头固定座，第二气体输送针头与第二液体输送针头穿设在第二针头固定座内；转接部包括气囊、气体输送管、第一液体输送管和第二液体输送管；气体输送管穿过气囊分别与第一气体输送针头和第二气体输送针头连接；第一液体输送管一端连接气囊另一端连接第一液体输送针头；第二液体输送管一端连接气囊另一端连接第二液体输送针头。

The invention provides a liquid medicine blending and conveying device. The upper conveying part includes a first gas conveying needle, a first liquid conveying needle and a first needle fixing seat, and the first gas conveying needle and the first liquid conveying needle are penetrated on the first needle. In the fixing seat, a telescopic extension tube is arranged in the first gas delivery needle, and an adjustment knob is arranged on the first needle fixing seat; the lower delivery part includes a second gas delivery needle, a second liquid delivery needle and a second needle fixing seat, The second gas delivery needle and the second liquid delivery needle pass through the second needle holder; the adapter part includes an airbag, a gas delivery tube, a first liquid delivery tube and a second liquid delivery tube; the gas delivery tube passes through the airbag and is respectively connected to the The first gas delivery needle is connected to the second gas delivery needle; one end of the first liquid delivery tube is connected to the airbag and the other end is connected to the first liquid delivery needle; one end of the second liquid delivery tube is connected to the airbag and the other end is connected to the second liquid delivery needle.

Description

A kind of medical fluid blends conveying device
Technical field
The present invention relates to medical assistant product fields more particularly to a kind of medical fluid to blend conveying device.
Background technique
Western medicine profession often requires to use a variety of drugs during carrying out sufferer treatment, and in order to by drug effect most your writing Performance in advance can generally be blent various drugs by medical worker, so that patient be made disposably to complete drug injection Work, avoids the cumbersome of multiple injection.But it is currently used convert prescription method otherwise be using syringe extract injection, this Kind method operation is slowly cumbersome, and is easy to make drug impurity；Otherwise infusion strap is used, but it is slow to convert medicine.Therefore, it improves close Drug effect rate of converting under the conditions of envelope is a problem to be solved.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of medical fluids to blend conveying device.
To achieve the above object, present invention employs following technical solutions:
A kind of medical fluid blends conveying device, including upper delivery section, lower delivery section and switching part, the upper delivery section and it is described under Delivery section is oppositely arranged on the both ends of the switching part.
The upper delivery section includes first gas delivery tip, the first liquid delivery tip and the first syringe needle fixing seat, The first gas delivery tip and the first liquid delivery tip are threaded through first syringe needle side by side and up and down In fixing seat, the first gas delivery tip includes the first needle end, and the first liquid delivery tip includes the second syringe needle End, length of first needle end apart from the first syringe needle fixing seat are greater than second needle end apart from first needle The length of head fixing seat, the first gas delivery tip is interior to be equipped with telescopic extendable pipe, and the first syringe needle fixing seat is close to institute The side for stating first gas delivery tip is equipped with adjusting knob, and the adjusting knob and the telescopic extendable pipe are mechanically connected.
The lower delivery section includes second gas delivery tip, second liquid delivery tip and the second syringe needle fixing seat, The second gas delivery tip and the second liquid delivery tip are threaded through second syringe needle side by side and up and down In fixing seat, the second gas delivery tip includes third needle end, and the second liquid delivery tip includes the 4th syringe needle End, length of the third needle end apart from the second syringe needle fixing seat are less than the 4th needle end apart from second needle The length of head fixing seat.
The switching part includes air bag, air shooter, the first liquid delivery tube and second liquid delivery pipe；The gas Delivery pipe is threaded through up and down in the air bag, the both ends of the air shooter respectively with the first gas delivery needle One end integrally connected of head and the second gas delivery tip close to the air bag；First liquid delivery tube includes opposite First end and second end, the first end closely the air shooter and is threaded through in the air bag, the second end one Body is connected to the first liquid delivery tip close to one end of the air bag；The second liquid delivery pipe includes opposite Three ends and the 4th end, the third end closely the air shooter and are threaded through in the air bag, and the 4th end integrally connects The second liquid delivery tip is connected to close to one end of the air bag.
Preferably, first needle end, second needle end, the third needle end and the 4th needle end It is inclined tip, and first needle end is identical as the inclined direction of second needle end and tilt angle, it is described Third needle end is identical as the 4th needle end inclined direction and tilt angle.
Preferably, first needle end and the second needle end integrally connected, first needle end and described the The inclined surface of two needle ends is in the same plane；The third needle end and the 4th needle end integrally connected, the third The inclined surface of needle end and the 4th needle end is in the same plane.
Preferably, the airbag wall of the first end and the air bag is tightly connected and does not protrude into the air bag.
Preferably, the airbag wall of the third end and the air bag is tightly connected and does not protrude into the air bag.
Preferably, first liquid delivery tube and the second liquid delivery pipe integrally connect with the air shooter It connects.
Preferably, the first syringe needle fixing seat is equipped with the first needle shield, sets in the second syringe needle fixing seat There is the second needle shield.
Preferably, the bottom of the telescopic extendable pipe connects traction rope, and the traction rope is from the first gas delivery needle Head is pierced by and is fixedly connected around first needle end with the adjusting knob, and the bottom of the telescopic extendable pipe is equipped with sealing Circle, the sealing ring are closely affixed with the first gas delivery tip inner wall.
Preferably, the air shooter is equipped with external air delivery device, the outside close to one end of the upper delivery section The top of air delivery device is equipped with switch.
Preferably, the bladder sidewall is equipped with concave-convex screw thread, and the first syringe needle fixing seat and second syringe needle are solid Antiskid thread is equipped in reservation.
Compared with prior art, the invention has the benefit that can be sealed respectively by upper transport part and lower transport part Connection needs the medical fluid blent, and avoiding medical fluid to be blent from contacting with air causes to pollute medical fluid；Pass through air shooter connection two The gas interface of a medical liquid container can be introduced the medical fluid in the container being located above in air bag and by gas by extruding gasbag Intracapsular medical fluid is transported in underlying container, easy to operate, avoids the occurrence of liquid waste；And drainage efficiency is high, saves The working hour of medical staff, improves the efficiency of medical treatment and nursing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of medical fluid of the invention blends conveying device.
Fig. 2 is the structural schematic diagram of upper delivery section of the invention.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed It is described as follows.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the structural schematic diagram that a kind of medical fluid of the invention blends conveying device, Fig. 2 For the structural schematic diagram of upper delivery section of the invention.As depicted in figs. 1 and 2, a kind of medical fluid of one embodiment of the invention is blent defeated Device, including upper delivery section, lower delivery section and switching part are sent, upper delivery section and the lower delivery section are oppositely arranged on switching part Both ends.
Upper delivery section includes first gas delivery tip 1, the first liquid delivery tip 2 and the first syringe needle fixing seat 3, and One gas delivery tip 1 and the first liquid delivery tip 2 are threaded through side by side and up and down in the first syringe needle fixing seat 3, the One gas delivery tip 1 includes the first needle end 11, and the first liquid delivery tip 2 includes the second needle end 21, the first needle end The length of 11 the first syringe needle of distance fixing seats 3 is greater than the length of 21 the first syringe needle of distance fixing seat 3 of the second needle end, first gas Telescopic extendable pipe 12 is equipped in delivery tip 1, the first syringe needle fixing seat 3 is equipped with close to the side of first gas delivery tip 1 and adjusts Knob 31 is saved, adjusting knob 31 and telescopic extendable pipe 12 are mechanically connected.
Lower delivery section includes second gas delivery tip 4, second liquid delivery tip 5 and the second syringe needle fixing seat 6, and Two gas delivery tips 4 are threaded through in the second syringe needle fixing seat 6 side by side and up and down with second liquid delivery tip 5, the Two gas delivery tips 4 include third needle end 41, and second liquid delivery tip 5 includes the 4th needle end 51, third needle end Length of the length of 41 the second syringe needle of distance fixing seats 6 less than 51 the second syringe needle of distance fixing seat 6 of the 4th needle end.
Switching part includes air bag 7, air shooter 8, the first liquid delivery tube 9 and second liquid delivery pipe 10；Gas is defeated Send pipe 8 to be threaded through in air bag 7 up and down, the both ends of air shooter 8 respectively with first gas delivery tip 1 and the second gas One end integrally connected of the body delivery tip 4 close to air bag 7；First liquid delivery tube 9 includes opposite first end 91 and second end 92, first end 91 closely air shooter 8 and is threaded through in air bag 7, and second end 92 is integrally connected to the first liquid delivery tip 2 Close to one end of air bag 7；Second liquid delivery pipe 10 includes opposite third end 101 and the 4th end 102, and third end 101 is closely It air shooter 8 and is threaded through in air bag 7, the 4th end 102 is integrally connected to second liquid delivery tip 5 close to the one of air bag 7 End.
When in use, upper transport part is inserted into the medical liquid container of top, lower transport part is inserted into the medical liquid container of lower section；Tool Gymnastics work is to hold the first syringe needle fixing seat 3 first gas delivery tip 1 and the first liquid delivery tip 2 are punctured into upper recipe In liquid container, second gas delivery tip 4 and second liquid delivery tip 5 are punctured into lower section by hand-held second syringe needle fixing seat 6 Medical liquid container in, according to top medical liquid container be inverted after the page the first syringe needle of height adjustment fixing seat 3 on adjusting knob 31, telescopic extendable pipe 12 is promoted to medicine ullage, it is ensured that it is contacted with gas, and lower section medical liquid container, which is just being put, to be exported upward It places, second gas delivery tip 4 and second liquid delivery tip 5 are not contacted with the medical fluid in the medical liquid container of lower section；It squeezes Medical fluid in the medical liquid container of top is introduced into air bag 7 by air bag 7, the first liquid delivery tube 9, and the medical fluid in air bag 7 passes through the Two liquid delivery tubes 10 enter in the medical liquid container of lower section, and since the medical fluid in the medical liquid container of lower section increases, but lower section medical fluid holds The constancy of volume of device, and then the gas of lower section medical liquid container is caused to be transferred in the medical liquid container of top by air shooter 8, with Liquid in the medical liquid container of top completes position displacement, and gas volume reduces in the medical liquid container of lower section, and air pressure reduces, top Gas increases in medical liquid container, and air pressure increases, and improves the speed that top medical fluid flows downwards；By continuous extruding gasbag 7, Medical fluid can be further speeded up and blend speed, medical fluid is improved and blend efficiency, and two medical liquid containers are to be tightly connected, and be ensure that close Feng Xing avoids medical fluid contaminated.
Preferably, the first needle end 11, the second needle end 21, third needle end 41 and the 4th needle end 51 are inclination Tip, and the first needle end 11 is identical as the inclined direction of the second needle end 21 and tilt angle, third needle end 41 and Four needle ends, 51 inclined direction is identical with tilt angle, so improves the acuity of transport part and lower transport part, reduces Venipuncture difficulty.
Preferably, 21 integrally connected of the first needle end 11 and the second needle end, the first needle end 11 and the second needle end 21 Inclined surface in the same plane；51 integrally connected of third needle end 41 and the 4th needle end, third needle end 41 and the 4th needle The inclined surface of head end 51 is in the same plane；Smoothness when puncturing is improved, avoids causing to puncture there are two tip difficult.
Preferably, the airbag wall of first end 91 and air bag 7 is tightly connected and does not protrude into air bag 7；Air bag 7 can be improved and contain medicine The volume of liquid, if first end 91 has been pierced by the airbag wall of air bag 7, when the medical fluid in air bag 7 and first end 91 contact just not Medical fluid can be held again, reduce the amount of holding of air bag 7；And it is tightly connected and avoids overflow of drug fluid.
Preferably, the airbag wall of third end 101 and air bag 7 is tightly connected and does not protrude into air bag 7；It can guarantee in air bag 7 Medical fluid is incorporated in full into the medical liquid container of lower section, if third end 101 is higher by 7 wall of air bag, will lead to part medical fluid, there are gas It can not be drawn in capsule 7；Sealed connection can prevent overflow of drug fluid.
Preferably, the first liquid delivery tube 9 and second liquid delivery pipe 10 with 8 integrally connected of air shooter；It prevents More delivery pipe windings, put in order entire conveying device neatly easily.
Preferably, the first syringe needle fixing seat 3 is equipped with the first needle shield 13, and the second syringe needle fixing seat 6 is equipped with the Two needle shields 14；One side sealing and dustproof, on the other hand since syringe needle is sharp, shield can be prevented when device is not used Medical staff is caused to accidentally injure.
As shown in Figure 2, it is preferable that the bottom of telescopic extendable pipe 12 connects traction rope 121, and traction rope 121 is from first gas Delivery tip 1 is pierced by and is fixedly connected around the first needle end 11 with adjusting knob 31, and the bottom of telescopic extendable pipe 12 is equipped with close Seal 122, sealing ring 122 are closely affixed with 1 inner wall of first gas delivery tip.When in use, adjusting knob is rotated clockwise 31, traction rope 121 winds tightening on the screw rod 311 of adjusting knob 31, and then drives telescopic extendable pipe 12 to rise, and then reach Extend the purpose of first gas delivery tip 1.Settable more casings 123 in telescopic extendable pipe 12, using identical original as above Reason, so that first gas delivery tip 1 extends to long enough.
Preferably, air shooter 8 is equipped with external air delivery device 15, external air delivery device 15 close to one end of upper delivery section Top be equipped with the switch 151 that can seal, to be turned on or off external air delivery device 15.If in the medical liquid container of top Air pressure is insufficient, then can not blend completely the medical fluid in the medical liquid container of top into lower section medical liquid container, opens at this time external defeated Switch 151 on device of air 15 can increase the gas in the medical liquid container of top in the air shooter of external air introducing Pressure, to improve the effect that medical fluid is blent, and can draw completely the medical fluid in the medical liquid container of top.In external air delivery device 15 Equipped with filter device, it is avoided that outside air pollution medical fluid.
Preferably, 7 side wall of air bag is equipped with concave-convex screw thread；Frictional force when increasing hand-held；First syringe needle fixing seat 3 and Antiskid thread is equipped in two syringe needle fixing seats 6；Increase frictional force when puncturing, keeps operator more labor-saving.
From the above mentioned, a kind of medical fluid of the invention blends conveying device, can be distinguished by upper transport part and lower transport part It is tightly connected the medical fluid for needing to blend, avoiding medical fluid to be blent from contacting with air causes to pollute medical fluid；Connected by air shooter The gas interface for connecing two medical liquid containers can be introduced the medical fluid in the container being located above in air bag simultaneously by extruding gasbag Medical fluid in air bag is transported in underlying container, it is easy to operate, avoid the occurrence of liquid waste；And drainage efficiency is high, The working hour for having saved medical staff improves the efficiency of medical treatment and nursing.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention. It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and It is changed and retouched made by range, belongs to scope of patent protection of the invention.

Claims (10)

1.一种药液勾兑输送装置，其特征在于：包括上输送部、下输送部以及转接部，所述上输送部和所述下输送部相对设置在所述转接部的两端；1. a medicinal liquid blending and conveying device, it is characterized in that: comprise upper conveying part, lower conveying part and transfer part, and described upper conveying part and described lower conveying part are relatively arranged on both ends of described transfer part; 所述上输送部包括第一气体输送针头、第一液体输送针头以及第一针头固定座，所述第一气体输送针头和所述第一液体输送针头并排且上下贯通地穿设在所述第一针头固定座内，所述第一气体输送针头包括第一针头端，所述第一液体输送针头包括第二针头端，所述第一针头端距离所述第一针头固定座的长度大于所述第二针头端距离所述第一针头固定座的长度，所述第一气体输送针头内设有伸缩延长管，所述第一针头固定座靠近所述第一气体输送针头的一侧设有调节旋钮，所述调节旋钮与所述伸缩延长管机械连接；The upper conveying part includes a first gas conveying needle, a first liquid conveying needle and a first needle fixing seat, and the first gas conveying needle and the first liquid conveying needle are arranged side by side and penetrated vertically through the first needle. In a needle holder, the first gas delivery needle includes a first needle end, the first liquid delivery needle includes a second needle end, and the length of the first needle end from the first needle holder is greater than the length of the first needle holder. The length of the second needle end from the first needle holder, the first gas delivery needle is provided with a telescopic extension tube, and the side of the first needle holder close to the first gas delivery needle is provided with a telescopic extension tube. an adjustment knob, which is mechanically connected to the telescopic extension pipe; 所述下输送部包括第二气体输送针头、第二液体输送针头以及第二针头固定座，所述第二气体输送针头与所述第二液体输送针头并排且上下贯通地穿设在所述第二针头固定座内，所述第二气体输送针头包括第三针头端，所述第二液体输送针头包括第四针头端，所述第三针头端距离所述第二针头固定座的长度小于所述第四针头端距离所述第二针头固定座的长度；The lower conveying part includes a second gas conveying needle, a second liquid conveying needle and a second needle fixing seat, and the second gas conveying needle and the second liquid conveying needle are side by side and vertically penetrated through the second needle. In the second needle holder, the second gas delivery needle includes a third needle end, the second liquid delivery needle includes a fourth needle end, and the length of the third needle end from the second needle holder is smaller than the length of the second needle holder. the length of the fourth needle end from the second needle holder; 所述转接部包括气囊、气体输送管、第一液体输送管和第二液体输送管；所述气体输送管上下贯通地穿设在所述气囊内，所述气体输送管的两端分别与所述第一气体输送针头和所述第二气体输送针头靠近所述气囊的一端一体连接；所述第一液体输送管包括相对的第一端和第二端，所述第一端紧挨所述气体输送管且穿设在所述气囊内，所述第二端一体连接于所述第一液体输送针头靠近所述气囊的一端；所述第二液体输送管包括相对的第三端和第四端，所述第三端紧挨所述气体输送管且穿设在所述气囊内，所述第四端一体连接于所述第二液体输送针头靠近所述气囊的一端。The transition part includes an airbag, a gas delivery pipe, a first liquid delivery pipe and a second liquid delivery pipe; the gas delivery pipe is penetrated through the airbag up and down, and the two ends of the gas delivery pipe are respectively connected to the airbag. One end of the first gas delivery needle and the second gas delivery needle close to the airbag is integrally connected; the first liquid delivery tube includes an opposite first end and a second end, and the first end is close to the airbag. The gas delivery tube is penetrated in the airbag, and the second end is integrally connected to the end of the first liquid delivery needle close to the airbag; the second liquid delivery tube includes an opposite third end and a first end. Four ends, the third end is adjacent to the gas delivery tube and penetrated in the airbag, and the fourth end is integrally connected to the end of the second liquid delivery needle close to the airbag. 2.如权利要求1所述的药液勾兑输送装置，其特征在于：所述第一针头端、所述第二针头端、所述第三针头端以及所述第四针头端均为倾斜的尖端，且所述第一针头端与所述第二针头端的倾斜方向和倾斜角度相同，所述第三针头端与所述第四针头端倾斜方向和倾斜角度相同。2 . The medicinal liquid blending and delivery device according to claim 1 , wherein the first needle end, the second needle end, the third needle end and the fourth needle end are all inclined. 3 . and the inclination direction and inclination angle of the first needle end and the second needle end are the same, and the inclination direction and inclination angle of the third needle end and the fourth needle end are the same. 3.如权利要求2所述的药液勾兑输送装置，其特征在于：所述第一针头端与所述第二针头端一体连接，所述第一针头端与所述第二针头端的倾斜面在同一平面上；所述第三针头端与所述第四针头端一体连接，所述第三针头端与所述第四针头端的倾斜面在同一平面上。3. The medicinal liquid blending and delivery device according to claim 2, wherein the first needle end and the second needle end are integrally connected, and the inclined surfaces of the first needle end and the second needle end are On the same plane; the third needle end and the fourth needle end are integrally connected, and the third needle end and the inclined surface of the fourth needle end are on the same plane. 4.如权利要求1所述的药液勾兑输送装置，其特征在于：所述第一端与所述气囊的气囊壁密封连接且不伸入所述气囊。4 . The liquid medicine blending and delivery device according to claim 1 , wherein the first end is sealedly connected to the airbag wall of the airbag and does not protrude into the airbag. 5 . 5.如权利要求1所述的药液勾兑输送装置，其特征在于：所述第三端与所述气囊的气囊壁密封连接且不伸入所述气囊。5 . The liquid medicine blending and delivery device according to claim 1 , wherein the third end is sealedly connected to the airbag wall of the airbag and does not protrude into the airbag. 6 . 6.如权利要求1所述的药液勾兑输送装置，其特征在于：所述第一液体输送管和所述第二液体输送管均与所述气体输送管一体连接。6 . The medicinal liquid blending and conveying device according to claim 1 , wherein the first liquid conveying pipe and the second liquid conveying pipe are integrally connected with the gas conveying pipe. 7 . 7.如权利要求1所述的药液勾兑输送装置，其特征在于：所述第一针头固定座上设有第一针头防护罩，所述第二针头固定座上设有第二针头防护罩。7 . The medicinal liquid blending and delivery device according to claim 1 , wherein a first needle guard is provided on the first needle holder, and a second needle guard is provided on the second needle holder. 8 . . 8.如权利要求1所述的药液勾兑输送装置，其特征在于：所述伸缩延长管的底部连接牵引绳，所述牵引绳从所述第一气体输送针头穿出并绕过所述第一针头端与所述调节旋钮固定连接，所述伸缩延长管的底部设有密封圈，所述密封圈与所述第一气体输送针头内壁紧密相贴。8 . The medicinal liquid blending and conveying device according to claim 1 , wherein a traction rope is connected to the bottom of the telescopic extension tube, and the traction rope passes through the first gas delivery needle and bypasses the first gas delivery needle. 9 . A needle end is fixedly connected with the adjustment knob, and a sealing ring is arranged at the bottom of the telescopic extension tube, and the sealing ring is closely attached to the inner wall of the first gas delivery needle. 9.如权利要求1所述的药液勾兑输送装置，其特征在于：所述气体输送管靠近所述上输送部的一端设有外部输气装置，所述外部输气装置的顶端设有开关。9 . The medicinal liquid blending and conveying device according to claim 1 , wherein an end of the gas conveying pipe close to the upper conveying part is provided with an external gas conveying device, and the top of the external air conveying device is provided with a switch. 10 . . 10.如权利要求1所述的药液勾兑输送装置，其特征在于：所述气囊侧壁上设有凹凸螺纹，所述第一针头固定座和所述第二针头固定座上均设有防滑螺纹。10 . The medicinal liquid blending and delivery device according to claim 1 , wherein a concave-convex thread is provided on the side wall of the airbag, and the first needle holder and the second needle holder are provided with anti-skid threads. 11 . thread.
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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0426403A1 (en) * 1989-11-01 1991-05-08 David Bull Laboratories Pty. Ltd. Transfer and dispensing device
GB9303748D0 (en) * 1992-03-05 1993-04-14 Doryokuro Kakunenryo Apparatus for transferring a solution between sealed containers
CN2629725Y (en) * 2003-07-18 2004-08-04 祝秀凤 Disposable transfusion medicament feeding device
CN2712346Y (en) * 2004-04-18 2005-07-27 吕海洋 Medicine dispensing device
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