CN115282396A - Control method of intravenous injection liquid preparation instrument - Google Patents

Abstract

The invention discloses a control method of an intravenous injection liquid preparation instrument, wherein the liquid preparation instrument comprises a frame, a penicillin bottle rotating mechanism arranged on the frame, a needle cylinder rotating mechanism arranged on the frame and a liquid bag arranged on the frame; the penicillin bottle control method comprises the following working steps of: sucking liquid in the liquid bag into a penicillin bottle, dissolving the medicine, and sucking the liquid in the penicillin bottle into the liquid bag; the automatic quantitative injection device has the beneficial effects that the precision is high, the speed is high, the manual operation can be simulated to realize the actions of inserting and pulling the injector, sucking the injector and the like, and the automatic quantitative solvent suction, the automatic solvent injection, the automatic swing dissolution of the medicine, and the automatic quantitative injection of the liquid bag after the medicine is extracted are realized.

Description

A control method for an intravenous injection dispensing instrument

technical field

The invention relates to the technical field of medicinal liquid preparation, in particular to a control method for an intravenous injection liquid preparation apparatus.

Background technique

In the dosing of intravenous injection, it is often necessary to mix the medicine in the vial into the infusion bag containing the solution, and then mix the two; at present, the dosing of intravenous dosing usually relies on medical personnel to operate, and the working steps are as follows: first Manually take out the solvent quantitatively from the liquid bag and then inject it into the medicine bottle quantitatively, then wait for the drug to dissolve (or use a dissolution oscillator to dissolve), and finally take out the drug quantitatively and inject it back into the liquid bag respectively. However, during the operation, the syringe and There will be positive and negative pressure in the medicine bottle, which makes it very laborious to push and pull the syringe, and it is easy to cause the solution to splash, and it is difficult to control it with both hands and eyes. It requires experienced personnel. The manual labor intensity is high and the efficiency is low; Exposure to the drug environment requires continuous rotation of work; at the same time, for some large medical institutions, there are many patients, a large amount of drug distribution, and high labor intensity for medical care. Based on liquid preparation, a large number of experienced medical staff are required. It will lead to low work efficiency. At the same time, in the process of dosing, because some drugs are still dangerous, manual direct contact with drugs may cause personal safety to not be effectively guaranteed.

In view of the above-mentioned situation, it is necessary to improve the existing intravenous injection liquid preparation method, so that it can adapt to the current needs of the liquid preparation.

Contents of the invention

The purpose of the present invention is to solve the above-mentioned problem, and has designed a kind of control method of intravenous injection dispensing instrument.

To achieve the above object, the technical solution of the present invention is a control method of an intravenous injection dispensing instrument, the liquid dispensing instrument includes a frame, a vial rotating mechanism arranged on the frame, a syringe rotating mechanism arranged on the frame, and a syringe rotating mechanism arranged on the frame. A fluid bag on the frame; a plurality of vials are installed on the vial rotating mechanism, and the syringe is installed on the syringe rotating mechanism, and the liquid dispensing instrument control method includes the following working steps:

(1) Fix the corresponding syringes, vials, and liquid bags according to the requirements of liquid preparation;

(2) Clamp the needle tip, and control the rotation of the syringe rotation mechanism according to the position of the fluid bag so that the syringe is directly below the fluid bag;

(3) Control the movement of the liquid bag to the needle point, and insert the needle point into the liquid distribution port of the liquid bag;

(4) Control the movement of the upper push handle of the syringe so that the liquid in the liquid bag is sucked into the syringe;

(5) Control the needle tip to leave the liquid distribution port of the liquid bag, and the liquid bag moves to the original position of the liquid bag;

(6) Control the rotation of the vial rotating mechanism and the syringe rotating mechanism so that the vial is directly below the syringe;

(7), the needle tip of the control syringe is inserted into the inside of the vial;

(8) Control the movement of the push handle on the syringe so that the liquid in the syringe is injected into the vial to mix with the medicine in the vial;

(9), control the needle tip to leave the vial;

(10), then repeat the working steps of injecting the liquid in the syringe suction liquid bag into the vials, until all the vials on the vial rotating mechanism are filled with liquid solvent;

(11), control the reciprocating swing of the vial rotating mechanism;

(12) After the mixing is completed, control the vial rotation mechanism and the syringe rotation mechanism, so that the designated vial runs to the bottom of the syringe;

(13) Control the needle point on the syringe to insert it into the vial;

(14), control the synchronous movement of the vial rotation mechanism and the syringe rotation mechanism, so that the vial is inverted;

(15) Control the push handle on the syringe so that the mixed liquid in the vial is drawn back into the syringe;

(16), control the vial rotation mechanism and the syringe rotation mechanism to move synchronously until the vial of the liquid being sucked is at the lower position of the syringe and stops;

(17), control the needle point on the syringe to pull it out from the vial;

(18) Control the rotation of the syringe rotation mechanism so that the upper needle point is aligned with the liquid bag;

(19) Control the movement of the liquid bag to the needle point, and insert the needle point into the liquid distribution port of the liquid bag;

(20) Control the movement of the push handle on the syringe so that the liquid in the syringe is pushed back into the fluid bag;

(21) After the liquid input is completed, the control needle tip is pulled out from the liquid distribution port of the liquid bag, and the liquid bag moves to the original position;

(22), reciprocating step (12)-step (21) process, until all the medicines in all vials on the vial rotating mechanism are pushed back into the liquid bag;

(23), loosen the needle tip, and the dispensing is completed.

As a further supplement to the technical solution, four vials are installed on the vial rotating mechanism.

As a further supplement to the technical solution, the vial rotation mechanism rotates according to the minimum rotation angle.

As a further supplement to the technical solution, when the vial is turned upside down or upright, the needle point insertion and extraction on the syringe and the movement of the syringe are carried out in linkage.

As a further supplement to the technical solution, each vial control is provided with vial insertion and removal parameters; the vial insertion and removal parameters include the position of inserting and releasing the solvent and the position of inserting and recovering the solvent.

As a further supplement to the technical solution, the fluid bag control is provided with fluid bag insertion and withdrawal parameters, and the fluid bag insertion parameters include the position of the liquid distribution port of the insertion fluid bag and the insertion and withdrawal speed of the needle tip.

As a further supplement to the technical solution, the control of the vial is also provided with volume change parameters of the needle tip after the liquid suction bag is withdrawn and a volume change parameter of the volume inside the bottle after withdrawal of the diacillin bottle.

As a further supplement to the technical solution, the syringe control is correspondingly provided with a suction pause time parameter, and the suction pause time parameter includes the pause time after liquid absorption, the waiting time for liquid return and liquid absorption, the pause time for complete spit, and the return time. Liquid spitting liquid waiting time.

As a further supplement to the technical solution, the rotation mechanism of the vial is also provided with reciprocating shaking and dissolving parameters, and the shaking and dissolving parameters include shaking speed, shaking amplitude, and shaking times.

As a further supplement to the technical solution, the control of the vial is also provided with upright pull-out linkage parameters and inverted pull-out linkage parameters, which respectively include linkage start position, linkage end position, needle tip insertion and withdrawal speed, and suction linkage speed.

The beneficial effect is that the technical solution has high precision and high speed, and can simulate manual operations to realize syringe insertion and withdrawal, syringe suction and other actions, and realize automatic quantitative absorption of solvent, automatic injection of solvent, automatic shaking and dissolution of medicines, and automatic quantitative extraction of medicines before injection. Liquid bag, and push the push handle of the syringe during the process of inserting and pulling out the needle tip of the syringe to prevent the liquid from splashing due to pressure imbalance;

In this technical solution, the installation and placement of the vials does not need to be arranged symmetrically and evenly, and can be installed at any position, which reduces the requirements for processing and installation;

In addition, according to different specifications of vials, through the parameter management of vials and liquid bags, various liquid preparation requirements can be realized. The liquid preparation process does not require manual direct contact with drug intervention, which can greatly reduce the amount of manual labor, and does not require medical staff to perform boring and repetitive operations. With manual labor, medical staff can devote more energy and time to drug distribution and verification, and manual no direct contact with drugs can further reduce the risk of dosing and ensure personal safety.

Description of drawings

Fig. 1 is a kind of implementation structural representation of dosing instrument among the present invention;

In the figure, 1. frame; 2. vial rotation mechanism; 3. syringe rotation mechanism; 4. liquid bag; 5. vial; 6. syringe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", and "circumferential" are based on the drawings The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the scope of the present invention. limit.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , can also be integrated; it can be mechanical connection, electrical connection, or communication connection; it can be direct connection or indirect connection through an intermediary, it can be the internal communication of two components or two components interactions, unless otherwise expressly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In order to facilitate those skilled in the art to be more clear about the technical solution, the technical solution of the present invention will be described in detail below in conjunction with accompanying drawing 1:

First of all, the original design intention of the present invention is based on the low efficiency of the existing liquid preparation method, and the use effect is not good. On the basis of existing technical defects, a control method for intravenous injection dispensing equipment is designed, which has strong adaptability, and can realize various dosing requirements through the parameter management of vials and liquid bags for different specifications of vials, and the use effect Good, high efficiency, the technical solution will be described in detail below:

A control method for an intravenous injection dispensing instrument, the liquid dispensing instrument includes a frame 1, a vial rotating mechanism 2 arranged on the frame 1, a syringe rotating mechanism 3 arranged on the frame 1, and a liquid bag 4 arranged on the frame 1 A plurality of vials 5 are installed on the vial rotating mechanism 2, and the syringe 6 is installed on the syringe rotating mechanism 3; some vials 5 do not require uniform and symmetrical distribution, and they can be installed on the vial rotating mechanism 2 at will , correspondingly, in order to better control the upside-down and upright of the vial 5, the vial rotating mechanism 2 rotates according to the minimum rotation angle, so as to facilitate the syringe to suck medicine or inject the solvent into the vial 5; Four vials 5 are installed, and during normal quotas, usually 4 vials of 5 medicines are mixed and processed as a group to meet people's needs, but correspondingly, when more than four vials of 5 medicines are required , it is only necessary to replace the prepared vial 5 and continue to prepare a new solution;

Wherein, the liquid bag 4 is installed on the frame 1 through the liquid bag moving mechanism, and the liquid bag moving mechanism is used to control the vertical movement of the liquid bag, and the liquid bag is installed above the frame when it is working; a syringe is installed on the syringe rotating mechanism The axial movement mechanism is used to control the axial movement of the syringe, and then facilitates the needle on it to suck or push the liquid or medicine in the liquid bag 4 and vial 5; and the push handle of the syringe 6 is provided with The push handle control mechanism is used to control the suction of the push handle; the control method of the liquid dispensing instrument in this technical solution will be described in detail below, which includes the following working steps:

(1) Fix the corresponding syringes 6, vials 5, and liquid bags 4 according to the requirements of liquid preparation;

(2), clamp the needle point, and control the rotation of the syringe rotating mechanism 3 according to the position of the fluid bag 4 so that the syringe 6 is directly below the fluid bag 4;

(3), control the liquid bag 4 to move to the needle point, and insert the needle point into the liquid distribution port of the liquid bag 4;

(4), control the movement of the upper push handle of the syringe 6 so that the liquid in the liquid bag 4 is sucked into the syringe 6;

(5), control the needle tip to leave the liquid distribution port of the liquid bag 4; the liquid bag 4 moves to the origin position of the liquid bag 4, because the liquid bag 4 is a soft packaging bag, its volume can be changed, so no liquid will flow out at this time;

(6), control vial rotating mechanism 2, syringe rotating mechanism 3 to rotate so that vial 5 is directly below syringe 6;

(7), the needle point of control syringe 6 is inserted into the inside of vial 5;

(8), control the movement of the push handle on the syringe 6 so that the liquid in the syringe 6 is injected into the vial 5, thereby mixing with the medicine in the vial 5;

(9), control the needle tip to leave the vial 5; during this process, in order to reduce the solution splash caused by the pressure imbalance, the needle insertion and extraction of the syringe 6 are carried out in conjunction with the movement of the syringe 6;

(10), then repeat the working steps of injecting the liquid in the syringe 6 into the liquid bag 4 then into the vial 5, until all the vials 5 on the vial rotating mechanism 2 are filled with the liquid solvent;

(11), control the reciprocating swing of the vial rotating mechanism 2; preferably, the reciprocating swing effect is better within a certain angle range;

(12), after the mixing is completed, control the vial rotating mechanism 2 and the syringe rotating mechanism 3, so that the designated vial 5 runs to the directly below the syringe 6;

(13), control the needle point on the syringe 6 so that it is inserted into the vial 5;

(14), control vial rotating mechanism 2 and syringe rotating mechanism 3 to move synchronously, make vial 5 stand upside down;

(15), control the work of the push handle on the syringe 6 so that the mixed liquid in the vial 5 is drawn back into the syringe 6;

(16), control the vial rotation mechanism 2 and the syringe rotation mechanism 3 to move synchronously until the vial 5 of the liquid being sucked is in the position below the syringe 6 and then stops;

(17), control the needle point on the syringe 6 so that it is pulled out from the vial 5; in this process, in order to reduce the solution splash caused by the pressure imbalance, the needle of the syringe 6 is inserted and pulled out and the syringe 6 moves Pushing and pulling are carried out in conjunction;

(18), control the rotation of the syringe rotating mechanism 3 so that the upper needle point is aligned with the liquid bag 4;

(19), control the liquid bag 4 to move to the needle point, and insert the needle point into the liquid distribution port of the liquid bag 4;

(20), control the movement of the push handle on the syringe 6 so that the liquid in the syringe 6 is pushed back into the liquid bag 4;

(21), after the liquid input is completed, the control needle tip is pulled out from the liquid distribution port of the liquid bag 4, and the liquid bag 4 moves to the origin position;

(22), reciprocating step (12)-step (21) process, until the medicine in all vials 5 on the vial rotating mechanism is all pushed back in the liquid bag 4;

(23), loosen the needle tip, and the dispensing is completed.

Wherein, in order to more accurately control the position where the needle tip of the syringe 6 is inserted into the vial 5, each vial 5 is controlled to be provided with a vial 5 plugging parameter; the vial 5 plugging parameter includes the position of inserting and releasing the solvent and the position of inserting and recovering the solvent position, according to different specifications of the vial 5, people can adjust the parameters of the position of inserting and releasing the solvent and the position of inserting and recovering the solvent, so as to meet the requirements of use; further, the control of the vial 5 is also provided with the volume change parameters of the withdrawn needle tip after the suction bag and Parameters of volume change in the bottle after withdrawal of the tucillin bottle.

At the same time, due to the different use conditions and parameters in each fluid bag 4, the fluid bag 4 control corresponds to the insertion and removal parameters of the fluid bag 4. In detail, the insertion parameters of the fluid bag 4 include the position of the liquid distribution port of the insertion fluid bag, the insertion and removal of the needle point Speed, the above parameters can control the working parameters of the syringe inserted into the fluid bag, and the above parameters can be adjusted according to the needs.

Since the parameters of the syringe 6 must be different according to different drug requirements during suction, we also set the suction pause time parameter for the syringe 6 control. In detail, the suction pause time parameter includes the pause after suction Time, waiting time for liquid return and aspiration, pause time after spitting liquid, waiting time for liquid return and spitting.

This technical solution does not require additional mechanisms to control the dissolution of the drug, which is highly efficient and easy to use. Since various drug fusion requirements and use parameters are different, we also set the reciprocating shaking and shaking dissolution parameters on the vial rotation mechanism 2. In detail, the shaking dissolution parameters include shaking speed, shaking amplitude, and shaking times, which can better control the drug dissolution and achieve the desired liquid dosing effect.

In the course of work, the vial 5 has two working states when sucking medicine, one is to suck medicine when standing upright, the other is to suck medicine when standing upside down, and the medicine is sucked when standing upside down and standing upright. The use conditions and requirements should not be exactly the same. In view of this, we also set upright pull out linkage parameters and inverted pull out linkage parameters for the control of the vial 5. In detail, the upright pull out linkage parameters include the linkage start position, Linkage cut-off position, needle tip insertion and withdrawal speed, suction linkage speed, handstand extraction linkage parameters include linkage start position, linkage end position, needle tip insertion and withdrawal speed, suction linkage speed.

The above-mentioned technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention, and some changes that those skilled in the art may make to certain parts reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims (10)

1. A control method of an intravenous injection liquid dispensing instrument is characterized in that the liquid dispensing instrument comprises a frame, a penicillin bottle rotating mechanism arranged on the frame, a needle cylinder rotating mechanism arranged on the frame and a liquid bag arranged on the frame; the penicillin bottle control method comprises the following working steps of:

(1) Fixing the corresponding needle cylinder, penicillin bottle and liquid bag according to the use requirement of the prepared liquid;

(2) The needle point is clamped, and the needle cylinder rotating mechanism is controlled to rotate according to the position of the liquid bag, so that the needle cylinder is positioned right below the liquid bag;

(3) Controlling the liquid bag to move to the needle point, and inserting the needle point into the liquid distribution port of the liquid bag;

(4) Controlling the push handle on the needle cylinder to move so that the liquid in the liquid bag is sucked into the needle cylinder;

(5) Controlling the needle tip to leave the liquid distribution port of the liquid bag, and moving the liquid bag to the original point position of the liquid bag;

(6) Controlling the penicillin bottle rotating mechanism and the needle cylinder rotating mechanism to rotate so that the penicillin bottle is positioned right below the needle cylinder;

(7) The needle tip of the control needle cylinder is inserted into the penicillin bottle;

(8) Controlling the push handle on the needle cylinder to move so that the liquid in the needle cylinder is injected into the penicillin bottle and is mixed with the medicine in the penicillin bottle;

(9) Controlling the needle tip to leave the penicillin bottle;

(10) Then repeating the working steps of pumping the liquid in the liquid suction bag of the needle cylinder and then injecting the liquid into the penicillin bottles until all the penicillin bottles on the penicillin bottle rotating mechanism are filled with the liquid solvent;

(11) Controlling the penicillin bottle rotating mechanism to swing in a reciprocating manner;

(12) After the mixing is finished, controlling the penicillin bottle rotating mechanism and the needle cylinder rotating mechanism to enable the appointed penicillin bottle to run right below the needle cylinder;

(13) Controlling the needle point on the needle cylinder to be inserted into the penicillin bottle;

(14) Controlling the penicillin bottle rotating mechanism and the needle cylinder rotating mechanism to synchronously move so as to enable the penicillin bottle to stand upside down;

(15) Controlling a push handle on the needle cylinder to work so that the mixed liquid in the penicillin bottle is pumped back into the needle cylinder;

(16) Controlling the penicillin bottle rotating mechanism and the needle cylinder rotating mechanism to synchronously move until the penicillin bottle sucked with liquid is positioned below the needle cylinder and then stopping;

(17) Controlling the needle tip on the needle cylinder to pull out the needle tip from the penicillin bottle;

(18) Controlling the needle cylinder rotating mechanism to rotate so as to enable the needle point on the needle cylinder to be aligned with the liquid bag;

(19) Controlling the liquid bag to move to the needle point, and inserting the needle point into the liquid distribution port of the liquid bag;

(20) Controlling the push handle on the syringe to move so that the liquid in the syringe is pushed back into the liquid bag;

(21) After the liquid is input, controlling the needle tip to be pulled out from the liquid distribution port of the liquid bag, and moving the liquid bag to the original position;

(22) Circularly repeating the processes of the step (12) to the step (21) until all the medicines in all the penicillin bottles on the penicillin rotating mechanism are pushed back into the liquid bag;

(23) And releasing the needle point to finish the dispensing.

2. The method for controlling the intravenous injection liquid dispensing instrument according to claim 1, wherein four penicillin bottles are mounted on the penicillin bottle rotating mechanism.

3. The method as claimed in claim 2, wherein the vial rotating mechanism rotates at a minimum rotation angle.

4. The control method of the intravenous injection liquid dispensing instrument according to claim 1, wherein the needle tip on the needle cylinder is inserted and pulled out in linkage with the movement and pushing of the needle cylinder when the penicillin bottle is inverted or upright.

5. The control method of the intravenous injection liquid dispensing instrument according to claim 1, wherein each penicillin bottle control is provided with penicillin bottle plugging parameters; the inserting and pulling parameters of the penicillin bottle comprise an inserting and releasing solvent position and an inserting and recovering solvent position.

6. The control method of the intravenous injection liquid dispensing instrument according to claim 1, wherein the liquid bag control is provided with liquid bag plugging parameters, and the liquid bag plugging parameters comprise a position of a liquid dispensing port of an inserted liquid bag and a needle tip plugging speed.

7. The method for controlling the intravenous injection liquid dispensing instrument according to claim 1, wherein the penicillin bottle control device is further provided with a needle tip volume change parameter after liquid suction bag pumping and an inner volume change parameter after penicillin bottle spitting pumping.

8. The control method of the intravenous injection liquid dispensing instrument according to claim 1, wherein the syringe control system further comprises a suction pause time parameter, and the suction pause time parameter comprises a liquid suction completion pause time, a liquid return and liquid suction waiting time, a liquid discharge completion pause time, and a liquid return and liquid discharge waiting time.

9. The control method of the intravenous injection liquid dispensing instrument according to claim 1, wherein the penicillin bottle rotating mechanism is further provided with reciprocating shaking dissolution parameters, and the shaking dissolution parameters comprise shaking speed, shaking amplitude and shaking times.

10. The intravenous injection liquid dispensing instrument control method according to claim 1, characterized in that the penicillin bottle control is further provided with an upright pulling-out linkage parameter and an inverted pulling-out linkage parameter, which respectively comprise a linkage starting position, a linkage stopping position, a needle tip plugging-pulling speed and a pumping linkage speed.

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