CN110960423A - Quantitative dispensing device and method for direct liquid medicine transfer - Google Patents
Quantitative dispensing device and method for direct liquid medicine transfer Download PDFInfo
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- CN110960423A CN110960423A CN201811211760.1A CN201811211760A CN110960423A CN 110960423 A CN110960423 A CN 110960423A CN 201811211760 A CN201811211760 A CN 201811211760A CN 110960423 A CN110960423 A CN 110960423A
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- liquid
- medicine
- peristaltic pump
- electronic scale
- quantitative
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- 239000007788 liquid Substances 0.000 title claims abstract description 117
- 239000003814 drug Substances 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 64
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000011002 quantification Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Classifications
-
- 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
- A61J1/22—Arrangements for transferring or mixing fluids, e.g. from vial to syringe with means for metering the amount of fluid
-
- 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
- A61J1/2013—Piercing means having two 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
-
- 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
- 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
- A61J2200/00—General characteristics or adaptations
- A61J2200/70—Device provided with specific sensor or indicating means
- A61J2200/74—Device provided with specific sensor or indicating means for weight
Landscapes
- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The traditional quantitative liquid-separating medicine dispensing method is characterized in that a graduated syringe is used for repeatedly sucking liquid medicine in a liquid bag to complete the medicine dispensing process, a needle head in the medicine dispensing process is easy to pollute, the operation is complex, and the clinical quantitative use requirement cannot be met by adopting a direct liquid medicine transfer method. The invention relates to a quantitative dispensing device and a method for direct liquid medicine transfer, wherein a peristaltic pump is directly connected with an electronic scale by a connecting wire, a dispenser is arranged in the peristaltic pump, the dispenser establishes a direct transfer channel between a liquid bag and a medicine bottle, the medicine bottle is arranged at the electronic scale and returns to zero, the electronic scale is used for setting the amount of liquid medicine to be quantitatively dispensed into the medicine bottle, the peristaltic pump is started to perform liquid separation, and when the liquid medicine input into the medicine bottle reaches a set value, the peristaltic pump stops working immediately to finish the quantitative dispensing process. The device improves the dispensing efficiency and speed, realizes the automatic quantification of the liquid medicine in the quantitative liquid-separating and dispensing process, and better meets the requirement of hospital concentrated rapid quantitative liquid-separating and dispensing in large quantities.
Description
Technical Field
The invention relates to the field of medical instruments, and provides a quantitative dispensing device and a method for direct liquid medicine transfer.
Background
The quantitative liquid-separating medicine dispensing in medical treatment refers to that liquid medicine in a prefabricated liquid bag is quantitatively subpackaged into a small medicine bottle, and then the quantitative liquid-separating medicine dispensing is completed. The traditional quantitative liquid-separating medicine dispensing method generally uses a syringe with scales to suck liquid medicine in a liquid bag according to the volume to complete the medicine dispensing process, and a needle head is easy to pollute and complex to operate in the medicine dispensing process. The applicant discloses a water injection dispensing device (patent number: ZL201320821947.X) driven by a peristaltic pump to replace an injector to dispense, the method avoids the problems of easy pollution, complex operation and the like in the dispensing process, but when the device is used for quantitative liquid separation, the quantitative suction error is large due to the influences of the gap of a pump head of the device, the rotating speed, the wall thickness of a peristaltic tube, elasticity, temperature and the like, the use requirement of clinical accurate liquid separation and dispensing cannot be met, if more accurate quantitative liquid separation can be realized, the requirement of concentrated and rapid dispensing in hospitals can be better met.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art of quantitative liquid separation and provides a quantitative dispensing device for direct liquid medicine transfer.
Another object of the present invention is to provide a method for dosing a pharmaceutical liquid for direct transfer of the liquid.
In order to achieve the purpose, the invention adopts the following technical scheme:
a quantitative dispensing device for direct liquid medicine transfer comprises a dispensing device, a peristaltic pump, an electronic scale and a connecting line. The medicine dispenser consists of a peristaltic hose with puncture needles at two ends, and the puncture needles at two ends are respectively connected with the liquid bag, the medicine bottle and the peristaltic hose to establish a direct medicine liquid transfer channel; the peristaltic pump is a peristaltic pump (not described in detail) commonly used in clinic, and provides a driving force to pump the liquid medicine in the liquid bag into the medicine bottle through the peristaltic tube; the electronic scale is composed of a display, a control panel, a tray and an electronic module, wherein the control panel is used for setting liquid dividing amount, zeroing (subtracting the weight of the medicine bottle) and the like; the display displays the set liquid separating amount and displays the sucked liquid amount in real time; the tray carries the medicine bottle or the liquid bag; the electronic module is composed of CPU module for controlling the quantitative liquid-dispensing process and other circuit elements, and the electronic scale can measure the volume in milliliters according to the formula
The weighed weight can be directly converted into volume through an internal electronic module program, so that the electronic scale can directly set the liquid amount required to be pumped; the connecting line is used for connecting the electronic scale and the peristaltic pump, so that the peristaltic pump receives the instruction of the electronic module and controls the work of the peristaltic pump in real timeAnd (5) making the state.
A quantitative dispensing method for direct liquid medicine transfer comprises the following steps:
a: connecting the peristaltic pump with an electronic scale by using a connecting wire;
b: a peristaltic hose of a medicine dispenser is placed in a peristaltic pump head, and puncture needles of the medicine dispenser respectively puncture a liquid bag and a medicine bottle to establish a direct liquid medicine transfer channel;
c: the medicine bottle is placed at the tray of the electronic scale and returns to zero, the amount of the liquid medicine which needs to be quantitatively dispensed into the medicine bottle is set at the control panel of the electronic scale, and the currently set liquid separation amount is displayed by the display;
d: and opening a switch of the peristaltic pump, starting the peristaltic pump to transfer the liquid medicine in the liquid bag to the medicine bottle through a peristaltic hose of the medicine dispenser to perform liquid separation, displaying the current suction volume on a display in real time, and when the liquid medicine input into the medicine bottle reaches a preset value, immediately receiving a stop instruction of an electronic scale electronic module by the peristaltic pump to automatically stop working so as to complete the quantitative medicine dispensing process.
E: the method can also perform subtraction programming on an electronic module in the electronic scale, so that the liquid bag can be placed at the tray, the peristaltic pump is started to perform reverse pumping, the liquid medicine in the liquid bag is reversely pumped into the medicine bottle, and when the liquid amount in the liquid bag is reduced to the preset liquid dividing amount, the peristaltic pump receives a stop instruction of the electronic module of the electronic scale to automatically stop working, so that the quantitative dispensing process is completed.
Compared with the prior art, the invention has the following beneficial effects: the device and the method realize quantitative dispensing through an electronic scale weighing method, not only are liquid separation accurate and reliable, and are simple to operate, automatic quantification of liquid medicine in the quantitative liquid separation and dispensing process is realized, and the requirement of centralized, rapid and quantitative liquid separation and dispensing in hospitals is better met.
The invention is further described with reference to the accompanying drawings in which:
drawings
FIG. 1 is a schematic view of a conventional syringe for quantitative dispensing
FIG. 2 is a schematic diagram of a conventional injection dispensing device driven by a peristaltic pump
FIG. 3 is a schematic view of the apparatus of the present invention
In the figure: 1. medicine dispenser 1A, puncture needle 1B, peristaltic hose 2, peristaltic pump 2A, pump head 3, electronic scale 3A, display 3B, control panel 3C, tray 3D, electronic module 4, connecting line B, liquid bag B, medicine bottle Z, syringe
Detailed description of the preferred embodiments
Fig. 1 is a schematic diagram of a conventional syringe quantitative liquid-separating operation, in which a graduated syringe (Z) is first used to pump a quantitative liquid from a liquid bag (B) and inject the quantitative liquid into a medicine bottle (B) to complete quantitative liquid-separating medicine dispensing. The whole process is not only complicated, but also the syringe (Z) needle is easily polluted by repeatedly exposing to the air.
Fig. 2 is a schematic view of a conventional water injection dispensing device driven by a peristaltic pump, wherein a puncture needle (1A) of a dispensing device (1) respectively punctures a liquid bag (B) and a medicine bottle (B) to establish a direct liquid medicine transfer channel, when the device is used, a peristaltic hose (1B) is placed in a pump head (2A) of the peristaltic pump (2), the peristaltic pump (2) is started, liquid in the liquid bag (B) is pumped into the medicine bottle (B) under the action of driving force of the peristaltic pump (2), and after a certain amount of liquid is pumped, the peristaltic pump (2) stops working. Although this device replaces the syringe to adopt direct liquid medicine transfer method to realize simple and easy liquid transfer process in directly transferring the liquid medicine to the medicine bottle, this device can't realize quantitative liquid separation, and this device leads to quantitative suction volume error great because of pump head, speed, peristaltic pipe material, the influence of temperature etc. to be great, can't satisfy clinical use demand.
Fig. 3 is a schematic diagram of the device of the invention, which consists of a medicine dispenser (1), a peristaltic pump (2), an electronic scale (3) and a connecting line (4). The medicine dispensing device (1) consists of a peristaltic hose (1B) with puncture needles (1A) at two ends; the peristaltic pump (2) is a commonly used clinical peristaltic pump and provides driving force to pump the liquid medicine in the liquid bag (B) into the medicine bottle (B); the electronic scale (3) consists of a display (3A), a control panel (3B), a tray (3C) and an electronic module (3D); wherein, the control panel (3B)For setting the amount of liquid dispensed, zeroing (subtracting the number of vial weights), etc.; the display (3A) displays the set liquid separating amount and displays the sucked liquid amount in real time; the tray (3C) carries a medicine bottle (B) or a liquid bag (B); the electronic module (3D) is composed of a CPU module for controlling the quantitative liquid dispensing process and other circuit elements, and the electronic scale can measure the volume in milliliters according to a formula
The weighed weight can be directly converted into volume through an internal electronic module program, so that the electronic scale (3) can directly set the liquid amount required to be pumped; the connecting line (4) is used for connecting the electronic scale (3) and the peristaltic pump (2) so that the electronic scale (3) controls the working state of the peristaltic pump (2) in real time. When the liquid medicine dispensing device is used, the peristaltic pump (2) is connected with the electronic scale (3) through the connecting line (4), the peristaltic hose (1B) of the medicine dispensing device (1) is placed into the pump head (2A) of the peristaltic pump (2), the puncture needle (1A) of the medicine dispensing device (1) respectively punctures the liquid bag (B) and the medicine bottle (B) to establish a direct liquid medicine transferring channel, the medicine bottle (B) is placed at the tray (3C) of the electronic scale (3) and returns to zero, the amount of liquid medicine to be quantitatively dispensed into the medicine bottle (B) is set at the control panel (3B) of the electronic scale (3), the display (3A) displays the quantitatively set liquid dividing amount, the switch of the peristaltic pump (2) is turned on, the peristaltic pump (2) is started to transfer the liquid medicine in the liquid bag (B) to the medicine bottle (B) through the peristaltic hose (1B) of the medicine dispensing device (1) for liquid dividing work, the display (3A) displays the current pumping amount in, when the liquid medicine input into the medicine bottle (b) reaches a preset value, the peristaltic pump (2) immediately receives a stop instruction of the electronic module (3D) of the electronic scale (3) to automatically stop working, and the quantitative medicine dispensing process is completed. And the electronic module (3D) in the electronic scale (3) can also be subjected to subtraction programming, so that the liquid bag (B) can be placed at the tray (3C), the peristaltic pump (2) is opened for reverse pumping, the liquid medicine in the liquid bag (B) is reversely pumped into the liquid bottle (B), and when the liquid amount in the liquid bag (B) is reduced to the preset liquid dividing amount, the peristaltic pump (2) receives a stop instruction of the electronic scale (3) and the electronic module (3D) to automatically stop working, so that the quantitative dispensing process is completed.
This device improves dispensing efficiency and speed through simple device greatly, realizes the automatic ration of liquid medicine in the ration minute liquid dispensing process, will can be better satisfy the demand that the quick ration minute liquid dispensed and dispensed in hospital concentrates.
Claims (3)
1. A quantitative dispensing device for direct liquid medicine transfer is characterized in that: consists of a medicine dispensing device (1), a peristaltic pump (2), an electronic scale (3) and a connecting wire (4); the medicine dispensing device (1) consists of a peristaltic hose (1B) with puncture needles (1A) at two ends; the peristaltic pump (2) is a commonly used clinical peristaltic pump and provides driving force to pump the liquid medicine in the liquid bag (B) into the medicine bottle (B); the electronic scale (3) consists of a display (3A), a control panel (3B), a tray (3C) and an electronic module (3D); wherein, the control panel (3B) is used for setting the liquid separating amount, resetting to zero and the like; the display (3A) displays the set liquid separating amount and displays the sucked liquid amount in real time; the tray (3C) carries a medicine bottle (B) or a liquid bag (B); the electronic module (3D) is composed of a CPU module for controlling the quantitative liquid preparation process and other circuit elements; the connecting line (4) is used for connecting the electronic scale (3) and the peristaltic pump (2) so that the electronic scale (3) controls the working state of the peristaltic pump (2) in real time.
2. A doser device for direct medical fluid transfer as claimed in claim 1, wherein: because the clinical measurement is carried out in milliliters, namely volume, the electronic scale (3) measures according to a formula
The weighed weight is directly converted into the volume through an internal electronic module (3D) program, so that the electronic scale (3) can directly set the liquid volume required to be pumped through weight conversion.
3. A quantitative dispensing method for direct liquid medicine transfer is characterized by comprising the following steps:
a: the peristaltic pump (2) is connected with the electronic scale (3) by a connecting wire (4);
b: placing a peristaltic hose (1B) of a dispensing device (1) into a pump head (2A) of a peristaltic pump (2), and respectively puncturing a puncture needle (1A) of the dispensing device (1) in a liquid bag (B) and a medicine bottle (B) to establish a direct liquid medicine transfer channel;
c: the medicine bottle (B) is arranged at a tray (3C) of the electronic scale (3) and returns to zero, the amount of the liquid medicine which needs to be quantitatively distributed into the medicine bottle (B) is set at a control panel (3B) of the electronic scale (3), and a display (3A) displays the set liquid separation amount;
d: a switch of the peristaltic pump (2) is turned on, the peristaltic pump (2) is started to transfer liquid medicine in the liquid bag (B) to the medicine bottle (B) through a peristaltic hose (1B) of the medicine dispenser (1) for liquid separation, a display (3A) displays the current suction volume in real time, when the liquid medicine input into the medicine bottle (B) reaches a preset value, the peristaltic pump (2) immediately receives a stop instruction of an electronic module (3D) of the electronic scale (3) to automatically stop working, and the quantitative medicine dispensing process is completed;
e: the method can also be used for carrying out subtraction programming on an electronic module (3D) in the electronic scale (3), so that the liquid bag (B) can be placed at the tray (3C), the peristaltic pump (2) is opened for reverse pumping, liquid medicine in the liquid bag (B) is reversely pumped into the liquid bottle (B), and when the liquid amount in the liquid bag (B) is reduced to a preset liquid dividing amount, the peristaltic pump (2) receives a stop instruction of the electronic module (3D) of the electronic scale (3) to automatically stop working, and the quantitative dispensing process is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811211760.1A CN110960423A (en) | 2018-09-29 | 2018-09-29 | Quantitative dispensing device and method for direct liquid medicine transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811211760.1A CN110960423A (en) | 2018-09-29 | 2018-09-29 | Quantitative dispensing device and method for direct liquid medicine transfer |
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| Publication Number | Publication Date |
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| CN110960423A true CN110960423A (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811211760.1A Pending CN110960423A (en) | 2018-09-29 | 2018-09-29 | Quantitative dispensing device and method for direct liquid medicine transfer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855562A (en) * | 2021-09-16 | 2021-12-31 | 武汉大学 | Medicine suction device and method |
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2018
- 2018-09-29 CN CN201811211760.1A patent/CN110960423A/en active Pending
Patent Citations (9)
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| DE102010048751A1 (en) * | 2010-10-16 | 2012-04-19 | Jürgen Mahrwald | Method for liquid fertilization, involves positioning tubing housing perpendicularly on ground by user such that injection needle arranged at tubing housing determines overall fertilization of plant |
| CN102155971A (en) * | 2011-03-22 | 2011-08-17 | 中国工程物理研究院核物理与化学研究所 | Automatic sampling and weighing device for liquid samples |
| CN205216730U (en) * | 2015-12-15 | 2016-05-11 | 长安大学 | Accurate dispensing device of ration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855562A (en) * | 2021-09-16 | 2021-12-31 | 武汉大学 | Medicine suction device and method |
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