CN111956492A - Improve powder liquid connector of security of dispensing - Google Patents

Improve powder liquid connector of security of dispensing Download PDF

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Publication number
CN111956492A
CN111956492A CN202010879532.2A CN202010879532A CN111956492A CN 111956492 A CN111956492 A CN 111956492A CN 202010879532 A CN202010879532 A CN 202010879532A CN 111956492 A CN111956492 A CN 111956492A
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CN
China
Prior art keywords
channel
liquid
infusion bag
powder
connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010879532.2A
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Chinese (zh)
Inventor
朱仲强
刘文军
郭晓英
刘思川
谭鸿波
葛均友
罗雅兵
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Sichuan Kelun Pharmaceutical Co Ltd
Original Assignee
Sichuan Kelun Pharmaceutical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Kelun Pharmaceutical Co Ltd filed Critical Sichuan Kelun Pharmaceutical Co Ltd
Priority to CN202010879532.2A priority Critical patent/CN111956492A/en
Publication of CN111956492A publication Critical patent/CN111956492A/en
Pending legal-status Critical Current

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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
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/10—Bag-type containers
    • 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
    • A61J1/1406—Septums, pierceable membranes
    • 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
    • A61J1/1462—Containers with provisions for hanging, e.g. integral adaptations of the container
    • 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
    • A61J1/1475—Inlet or outlet ports
    • 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
    • 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
    • A61J1/2089—Containers or vials which are to be joined to each other in order to mix their contents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

The invention discloses a powder-liquid connector for improving the medicine dispensing safety, and belongs to the technical field of infusion bags. The infusion bag comprises: one end of the cavity of the infusion bag is at least provided with an infusion tube communicated with the cavity of the infusion bag, and the other end of the cavity of the infusion bag is at least provided with a dosing device; the medicine adding device comprises a connecting body, a through channel is arranged in the connecting body, the connecting body is arranged on the infusion bag and enables the channel to be communicated with a cavity of the infusion bag, a diaphragm is arranged at one end, far away from the infusion bag, of the channel, a puncturing device in sliding connection is arranged in the channel, and a plurality of through liquid guide flow channels are formed in the puncturing device. The fast sterile infusion bag for preparing the medicines, provided by the invention, can be used for fast preparing different medicines, greatly reducing the risk of cross contamination in the clinical preparation process, shortening the preparation time and powerfully improving the treatment capacity.

Description

Improve powder liquid connector of security of dispensing
Technical Field
The invention relates to the technical field of infusion bags, in particular to a powder-liquid connector for improving the dispensing safety.
Background
In the prior art, intravenous infusion in the clinical medical field is a main method for treating diseases, and the disease is developed from an initial single variety to a multi-purpose and multi-dosage form variety, but other types of auxiliary preparations are often required to be added in the process so as to achieve better treatment effect.
In this process, a separate preparation operation room is required for preparing the liquid medicine, and then the liquid medicine is transported to a corresponding use place and is supplied to a patient. The specific scheme is as follows:
when the liquid injection device is used, the sealing cover 3 of the liquid filling port on the liquid filling pipe orifice 2 of the infusion bag 1 is removed, the liquid injection device is disinfected, the package of the injector 4 is disassembled, the needle of the injector is inserted into the liquid filling pipe orifice 2 to suck required amount of liquid, the liquid is injected into the preparation bottle 5 (the preparation bottle needs to be disinfected), premixing with the preparation liquid 5 is realized, after the liquid is uniformly mixed, the liquid is sucked out again by the injector 9 and is added into the infusion bag 1, the liquid is uniformly shaken again after the liquid is added, and then the liquid is infused into a patient through the infusion port, and the whole process is shown in the following figure.
Sterilizing, puncturing the syringe to take liquid, injecting the liquid into a preparation bottle (needing sterilization), shaking up, puncturing the syringe again to suck out the liquid (sterilizing), taking out the liquid and injecting the liquid into an infusion bag again (sterilizing a liquid filling opening on the infusion bag again), uniformly mixing, and then beginning to infuse the patient.
From the above operation procedures, it can be known that the whole process is complex in operation, and the used point positions need to be disinfected for many times, so that cross contamination is easily caused.
The use process is complicated, needs to puncture back and forth, and is easy to cause puncture desquamation.
The whole preparation time is long, the labor intensity of medical staff is increased, and the timeliness of the medicine administration of patients is further caused under the condition of shortage of the existing medical treatment.
In addition, in the operation process, medical staff often need to open a bag of infusion bag of the same type, and absorb a certain amount of liquid medicine for dilution, so that the drug effect of the compatibility is reduced, the prepared infusion bag can be mistakenly used, and greater risk is caused.
The material consumption of the mode is higher, the energy conservation and the consumption reduction are not facilitated, and the resource waste is increased.
Disclosure of Invention
The invention aims to provide a powder-liquid connector for improving the medicine dispensing safety, and aims to solve the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
a powder-liquid connector for improving dispensing safety, comprising: the infusion bag comprises a connector, a through channel is arranged in the connector, a barrier membrane for sealing and blocking the channel is arranged at one end of the channel, a limiting part is arranged at the other end of the channel, one end of the channel, provided with the limiting part, is in sealed communication with a cavity of the infusion bag, a liquid guide port is formed in the limiting part, a puncture device in sliding connection is arranged in the channel between the barrier membrane and the limiting part, and a plurality of through liquid guide flow channels are formed in the puncture device.
Furthermore, the connector is equipped with in the one end that is close to the barrier diaphragm and places the chamber, the bottom of placing the chamber with the passageway passes through the sealed separation of barrier diaphragm, the top of placing the chamber is equipped with sealed easy tear film.
Furthermore, the puncture device comprises a puncture head and a push rod, the puncture head is arranged in the channel, one end of the push rod is connected to the puncture head, and the other end of the push rod penetrates through the liquid guide port and is arranged in a cavity of the infusion bag communicated with the channel.
Furthermore, the limiting part is an annular limiting block arranged inside the guide pipe, and the liquid guide port is formed in the middle of the annular limiting block.
Further, the puncturing head is provided with a puncturing tip at one end facing the membrane blocking plate.
Furthermore, the other end of the push rod is provided with a boosting handle integrally connected with the push rod.
Furthermore, the liquid guide flow channel is arranged along the piercing direction of the piercing head, and the liquid guide flow channel is arranged far away from the piercing tip.
Furthermore, one of the liquid guide channels penetrates through the puncture tip, and the rest of the liquid guide channels are arranged in an annular array by taking the liquid guide channel penetrating through the puncture tip as a circle center.
Furthermore, hanging ropes which are rotatably connected are arranged on the connecting bodies at the two ends of the channel.
Furthermore, the connector is provided with an oval connecting part which is used for being welded and hermetically connected with the infusion bag at the outer part of one end provided with the limiting part.
Compared with the prior art, the invention has the beneficial effects that:
the powder-liquid connector provided by the invention is novel in structure and strong in practicability. When in use, the powder-liquid connector is hermetically welded with the tail part of the infusion bag, so that the channel of the powder-liquid connector is communicated with the inner cavity of the infusion bag, and the rapid preparation of different medicines is realized. The whole process is simple to operate, meanwhile, the risk of cross contamination in the clinical preparation process is greatly reduced, the preparation time is shortened, the treatment capacity is powerfully improved, and the patient safety is effectively guaranteed.
Drawings
FIG. 1 is a flow chart of the prior art configuration of infusion bag drugs and preparation bottle drugs in the context of a powder-liquid connector for improved dispensing safety of the present invention;
FIG. 2 is a schematic view of a powder-liquid connector for improving the safety of dispensing according to the present invention;
FIG. 3 is a schematic view of a powder-liquid connector for improving the dispensing safety of the present invention connected to an infusion bag;
fig. 4 is a schematic view of the use state of the powder-liquid connector for improving the dispensing safety of the invention after being connected to an infusion bag and being prepared with a preparation bottle.
FIG. 5 is a sectional view showing the connection between the connection body and the elliptical connection part of the powder-liquid connector according to the present invention for improving the safety of dispensing.
The labels in the figure are: 1-infusion bag, 2-liquid adding nozzle, 3-sealing cover, 4-injector, 5-preparation bottle, 6-connector, 7-channel, 8-diaphragm-resisting sheet, 9-placing cavity, 10-sealing easy-to-tear film, 11-puncture tip, 12-liquid guide channel, 13-puncture head, 14-annular limiting block, 15-push rod, 16-boosting handle, 17-elliptic connecting part and 18-hanging rope.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Example 1:
as shown in fig. 2, a powder-liquid connector for improving dispensing safety includes: the infusion bag sealing device comprises a connecting body 6, a through channel 7 is arranged inside the connecting body 6, a barrier membrane 8 for sealing and separating the channel 7 is arranged at one end of the channel 7, a limiting part is arranged at the other end of the channel 7, one end of the channel 7, provided with the limiting part, is communicated with the cavity of the infusion bag 1 in a sealing mode, a liquid guide port is formed in the limiting part, a puncture device in sliding connection is arranged in the channel 7 between the barrier membrane 8 and the limiting part, and a plurality of through liquid guide flow channels 12 are formed in the puncture device.
When the powder-liquid connector provided by the invention is used, the powder-liquid connector is welded on an infusion bag 1 in a sealing manner to form the infusion bag 1 with the powder-liquid connector, the infusion bag 1 comprises the infusion bag 1, at least one communicated infusion tube is arranged at one end of a cavity of the infusion bag 1, and at least one powder-liquid connector is arranged at the other end of the cavity of the infusion bag 1; the powder-liquid connector comprises a connector 6, a through channel 7 is arranged in the connector 6, the connector 6 is welded on the infusion bag 1, the channel 7 is communicated with the cavity of the infusion bag 1, and the diaphragm 8 is arranged at one end, far away from the infusion bag 1, of the channel 7.
In this embodiment, each part is medical material, and connector 6 can be welded to the non-PVC soft bag body of current different grade type, and charge device is fixed completely like this, and is sealed fixed connection between the outline of infusion bag 1's cavity and connector 6, ensures that the liquid in infusion bag 1 can not leak from here.
The thickness of the barrier diaphragm 8 is 0.1mm-0.5mm, the material is preferably polypropylene diaphragm, and the thickness is preferably 0.2 mm. The barrier film sheet 8 plays a role in sealing, and particularly prevents the liquid medicine in the cavity of the infusion bag 1 from leaking outside before the barrier film sheet 8 is punctured.
When the outer cover of a preparation bottle 5 to be added is removed, the preparation bottle is disinfected, the outer portion of the barrier membrane sheet 8 is disinfected, then the preparation bottle 5 is abutted against the outer portion of the barrier membrane sheet 8, the puncture device is pushed to slide in the channel 7 to puncture the barrier membrane sheet 8 and then penetrate into the preparation bottle 5, at the moment, the channel 7 is communicated with the preparation bottle 5 through the liquid guide flow channel 12 on the puncture device, then the infusion bag 1 is squeezed by hand, liquid in the infusion bag 1 is guided into the preparation bottle 5 through the channel 7 and the liquid guide flow channel 12 to be uniformly mixed, after uniform mixing, the infusion bag 1 is inverted, the preparation bottle 5 faces upwards, the mixed liquid in the preparation bottle 5 flows back into the infusion bag 1 again, after the infusion bag 1 is lightly shaken uniformly, the infusion bag 1 is hung on an infusion support, and then an infusion apparatus is inserted from the position to be conveyed to a patient.
Above mode, only need puncture 1 time alright accomplish infusion bag 1 and preparation bottle 5 between preparation mix, convenient and fast, great reduction cross contamination, this preparation bottle 5 keeps on infusion soft liquid bag always, and after the mixed liquid was carried, take off again. Further improving the safety of the patient.
The rubber buffer of preparation bottle 5 and puncture device realize sealedly through interference fit's mode, can not cause the weeping, simultaneously because after the liquid feeding, this preparation bottle 5 can keep on infusion bag 1, can play fine sign warning effect, has avoided the risk of wrong medicine, and further improvement is used medicine safety.
When the preparation bottle 5 is inverted above the puncture device, the sliding puncture device and the rubber plug of the preparation bottle 5 can play a good sealing effect, and the edge of the medicine adding device can well support the preparation bottle 5, so that the safety in the infusion process is further ensured.
The sterile infusion bag 1 for preparing the medicine is additionally provided with the integrated medicine preparation and feeding device, the medicine preparation and feeding device is directly welded on the infusion bag 1, the whole process is simple to operate, the manufacturing cost can be greatly saved, the resources are saved to the maximum extent, the competitiveness of enterprises is effectively improved, the risk of cross contamination in the clinical preparation process is greatly reduced, the preparation time is shortened, the treatment capability is powerfully improved, and the safety of patients is effectively guaranteed.
Example 2
As shown in fig. 2 to 3, the same parts as those in embodiment 1 of the powder-liquid connector for improving the dispensing safety provided in this embodiment are not repeated, and the difference is that a placing cavity 9 is provided at one end of the connecting body 6 close to the membrane blocking sheet 8, the bottom of the placing cavity 9 is sealed and blocked from the channel 7 by the membrane blocking sheet 8, and a sealing easy-to-tear film 10 is provided at the top of the placing cavity 9.
In this embodiment, the tip of connector 6 is equipped with places chamber 9, and the purpose that chamber 9 was placed in the setting is in aseptic environment in the outside of guaranteeing to hinder diaphragm 8, like this when using, has just lacked the process of one to hindering the outside disinfection of diaphragm 8, has improved the availability factor, has prevented cross infection's probability, has guaranteed the security of using medicine moreover. At the same time, the placing chamber 9 can pre-fix the preparation bottle 5 placed therein.
When in use, the sealing easy-to-tear film 10 is torn off, the sterilized preparation bottle 5 is placed in the placing cavity 9, and the rest steps are the same as those in the embodiment 1, and are not described again.
Example 3
As shown in fig. 3, the powder-liquid connector for improving the dispensing safety provided by this embodiment is the same as that of embodiment 1 and is not repeated, and the difference is that the puncturing device includes a puncturing head 13 and a push rod 15, the puncturing head 13 is disposed in the channel 7, a limiting part is disposed at one end of the channel 7 close to the infusion bag 1, the limiting part is used for limiting the puncturing head 13 in the channel 7, one end of the push rod 15 is connected to the puncturing head 13, and the other end of the push rod 15 penetrates through the channel 7 and is disposed in the cavity of the infusion bag 1. The piercing head 13 is provided with a piercing tip 11 at the end facing the barrier membrane 8.
This embodiment provides a concrete puncture device's structure, punctures sharp-end 11 on the head 13 and is the hammer-type, is convenient for puncture 8 with hindering diaphragm, and is convenient for puncture the back with the plug of preparation bottle 5, can keep sealed through interference fit and under the spring action of plug between the two.
In this embodiment, the limiting component is an annular limiting block 14 disposed inside the conduit, and a via hole for passing liquid and the push rod 15 is opened in the middle of the annular limiting block 14. The limiting part is used for limiting the puncture head 13 in the channel 7 and preventing the puncture head 13 from sliding into the cavity of the infusion bag 1. And the through hole may facilitate the sliding of the push rod 15 therethrough, pushing the piercing head 13 to move within the channel 7. Of course, the limiting component may be a dispersedly disposed limiting block as long as the limitation of the movement of the piercing head 13 is satisfied.
Preferably, the other end of the push rod 15 is provided with a boosting handle 16 integrally connected with the push rod 15. The movement of the puncture head 13 is controlled by the boosting handle 16, so as to complete puncture.
As shown in fig. 4, in the present embodiment, the liquid guiding channel 12 is disposed along the puncturing direction of the puncturing head 13, and the liquid guiding channel 12 is disposed away from the puncturing tip 11. Specifically, when the puncture head 13 is inserted into the rubber plug of the preparation bottle 5 through the puncture tip 11 and is inserted for a certain distance, the puncture head 13 is ensured to firmly fix the preparation bottle 5, and the liquid guide flow channel 12 is just exposed out of the top of the rubber plug of the preparation bottle 5, so that the mixed liquid in the preparation bottle 5 is ensured to flow back to the infusion bag 1 through the liquid guide flow channel 12, no waste of the liquid medicine is ensured, and the mixed liquid medicine is convenient to flow back to the infusion bag 1.
Among the plurality of liquid guiding channels 12, one liquid guiding channel 12 penetrates the puncture tip 11, and the rest liquid guiding channels 12 are arranged in an annular array with the liquid guiding channel 12 penetrating the puncture tip 11 as a circle center. The liquid guide channel 12 penetrating through the puncture tip 11 also penetrates through the push rod 15 and the boosting handle 16, so that the mixed liquid can be more quickly refluxed into the infusion bag 1 from the preparation bottle 5.
Preferably, the connecting bodies 6 at the two ends of the channel 7 are provided with hanging ropes which are rotatably connected. 18 is convenient for hanging the mixed liquid medicine by a hanging rope for transfusion to a patient.
As shown in fig. 5, the connecting body 6 is preferably provided with an oval connecting portion 17 for welding and sealing connection with the infusion bag 1 at the outer portion of the end provided with the stopper. The elliptical connecting part 17 is arranged, transition welding is conveniently carried out between the two layers of film materials of the infusion bag 1, so that the film materials of the infusion bag 1 and the elliptical connecting part are more uniform in welding, the welding quality is better, and liquid leakage is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A powder-liquid connector for improving dispensing safety is characterized by comprising: the infusion bag comprises a connector, a through channel is arranged in the connector, a barrier membrane for sealing and blocking the channel is arranged at one end of the channel, a limiting part is arranged at the other end of the channel, one end of the channel, provided with the limiting part, is in sealed communication with a cavity of the infusion bag, a liquid guide port is formed in the limiting part, a puncture device in sliding connection is arranged in the channel between the barrier membrane and the limiting part, and a plurality of through liquid guide flow channels are formed in the puncture device.
2. The powder-liquid connector for improving dispensing safety of claim 1, wherein the connecting body is provided with a placing cavity at one end close to the barrier membrane, the bottom of the placing cavity is hermetically separated from the channel by the barrier membrane, and the top of the placing cavity is provided with a sealing easy-to-tear film.
3. The powder-liquid connector for improving dispensing safety according to claim 1 or 2, wherein the puncturing device comprises a puncturing head and a push rod, the puncturing head is arranged in the channel, one end of the push rod is connected to the puncturing head, and the other end of the push rod penetrates through the liquid guide port and is arranged in a cavity of an infusion bag communicated with the channel.
4. The powder-liquid connector for improving dispensing safety of claim 3, wherein the limiting part is an annular limiting block arranged inside the guide tube, and the liquid guide opening is formed in the middle of the annular limiting block.
5. A powder-liquid connector for improving dispensing safety according to claim 3, wherein the puncturing head is provided with a puncturing tip at an end facing the membrane blocking plate.
6. The powder-liquid connector for improving dispensing safety according to claim 3, wherein a boosting handle integrally connected with the push rod is arranged at the other end of the push rod.
7. The powder-liquid connector for improving dispensing safety of claim 5, wherein the liquid guide channel is arranged along the piercing direction of the piercing head, and the liquid guide channel is arranged far away from the piercing tip.
8. The powder-liquid connector for improving dispensing safety of claim 7, wherein one of the plurality of liquid guiding channels penetrates through the puncture tip, and the rest of the liquid guiding channels are arranged in an annular array around the liquid guiding channel penetrating through the puncture tip.
9. The powder-liquid connector for improving medicine dispensing safety of claim 3, wherein the connecting bodies at two ends of the channel are provided with hanging ropes which are rotatably connected.
10. The powder-liquid connector for improving the dispensing safety of claim 1, wherein the connecting body is provided with an oval connecting part for welding and sealing connection with the infusion bag at the outer part of the end provided with the limiting part.
CN202010879532.2A 2020-08-27 2020-08-27 Improve powder liquid connector of security of dispensing Pending CN111956492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010879532.2A CN111956492A (en) 2020-08-27 2020-08-27 Improve powder liquid connector of security of dispensing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010879532.2A CN111956492A (en) 2020-08-27 2020-08-27 Improve powder liquid connector of security of dispensing

Publications (1)

Publication Number Publication Date
CN111956492A true CN111956492A (en) 2020-11-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010879532.2A Pending CN111956492A (en) 2020-08-27 2020-08-27 Improve powder liquid connector of security of dispensing

Country Status (1)

Country Link
CN (1) CN111956492A (en)

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