CN104224537B - Powder pin bottle dosage - Google Patents

Abstract

The invention discloses a medicine dispensing method for a powder injection bottle. The medicine dispensing method includes: preparing, inserting a needle into the powder needle bottle and an infusion bag, sucking part of the medicinal liquid in the infusion bag to the powder needle bottle, pulling out the needle after the suction is completed, Shake the powder injection bottle well and turn it upside down 180°, insert the needle into the powder injection bottle upwards, inject the liquid medicine in the powder injection bottle into the infusion bag, and pull out the needle. In addition, there are first liquid level controller and second liquid level controller Auxiliary dispensing device; the dispensing device includes a catheter, needle 1, needle 2, needle 1 includes an infusion needle hole and a ventilation needle hole, the ventilation needle hole is connected to the ventilation tube and the air pump, needle 1, needle 2, and the ventilation tube are respectively provided with There are collet one, collet two and collet three for easy clamping. The medicine dispensing method of the present invention is simple to insert needles and easy to operate. The first and second needles of the medicine dispensing device are simple in structure and low in cost. Cooperating with a mechanical automatic control device, the medicine liquid can be automatically prepared and the medicine dispensing efficiency can be improved.

Description

Method for dispensing medicine in powder injection bottle

technical field

The invention relates to the field of medical equipment, in particular to a medicine dispensing method for a powder injection bottle.

Background technique

At present, when carrying out intravenous infusion dispensing in the hospital, usually utilize manual operation to extract medicinal liquid from one or more injection bottles earlier with a syringe, then inject in the infusion bag for its infusion. The above-mentioned operation process is relatively complicated, especially when a large amount of liquid medicine needs to be prepared, the labor intensity for nurses is high, and the efficiency is low.

For this reason, Chinese application number 200410017880.X and authorized announcement number CN100435866C disclose a medical dispensing device, as shown in Figures 1 and 2, the medical dispensing device includes blowing and inhaling dual-purpose gas 01, ventilation tube 02 and catheter 030 Wherein, there is a switching valve 08 connected in series between the ventilation tube 02 and the air pump 01, and the other end of the ventilation tube 02 is connected with an injection bottle ventilation needle 041, and the injection bottle ventilation needle 041 is used to insert into the injection bottle 06; One end is connected with an injection bottle liquid-passing needle 042, and the other end is connected with an infusion bottle-use needle 05. The injection bottle liquid-through needle 05 is used to insert into the injection bottle 06, and its length is close to the depth of the applied injection bottle 06. The needle 05 for the infusion bottle is used to insert into the infusion bottle 07, and the front end of the needle has a liquid opening 0511, and the length of the needle 05 for the infusion bottle is sufficient to allow the needle 05 for the infusion bottle to insert the liquid opening of the applied infusion bottle 07 0511 can be under the liquid level of the loaded medicinal liquid of infusion bottle 07. The liquid-through needle 042 of the injection bottle and the vent needle 041 of the injection bottle are combined into one to form the needle 04 for the injection bottle. The liquid-through needle 042 of the injection bottle can be retracted in the vent needle 041 of the injection bottle. Adjust the protruding length of the liquid-through needle 042 of the ampoule to be suitable for the use of the ampoule 06 with different depths. A liquid reservoir 010 is also provided between the two ventilation tubes 02 to prevent the liquid medicine in the injection bottle 06 from flowing back during the inhalation process of the air pump 01 .

When using the medical dispensing device for dispensing, if the injection bottle 06 is a powder injection bottle, first turn the switching valve 08 so that the air suction channel 082 communicates with the air suction port 012 of the air pump 01, and at the same time connects the power supply of the air pump 01 to make the air pump 01 open. Negative pressure is formed in the trachea 02, and the liquid medicine in the infusion bottle 07 is sucked into the powder injection bottle through the liquid pipe 03; then, the powder injection bottle is shaken to make the medicine liquid flowing into the powder injection bottle and the powder injection bottle The powder is fully mixed and dissolved; finally, adjust the protruding length of the liquid-through needle 042 of the injection bottle so that it can be inserted into the bottom of the powder injection bottle, and turn the switching valve 08 so that the air blowing channel 081 communicates with the air blowing port 011 of the air pump 01. A positive pressure state is formed in the ventilation tube 02, and under the action of the pressure, the medicine liquid prepared in the injection bottle 06 flows back into the infusion bottle 07 through the catheter tube 03 to complete the dispensing operation.

But, also there is following deficiency in this medical dispensing device, mainly shows in:

1. When the dispenser is dispensing powder injection bottles, when the infusion bottle needle 05 is inserted into the infusion bottle 07, since the infusion bottle 07 is a hard infusion bottle 07, the length of the infusion bottle needle 05 needs to be long enough, In order to make the infusion bottle insert the needle 05 into the infusion bottle 07, its liquid opening 0511 can be below the liquid level of the medicinal liquid in the infusion bottle 07; When injecting internally, the liquid-through needle 042 of the injection bottle needs to be inserted into the powder injection bottle to reach the depth of the injection bottle 06 in order to inject all the liquid medicine in the powder injection bottle into the infusion bottle 07. The needle 05 for the infusion bottle and the liquid-through needle 042 for the injection bottle A longer needle is required to meet the requirements, the cost is higher, and the operation is troublesome;

2. The injection bottle ventilation needle 041 is set on the injection bottle liquid connection needle 042, and the injection bottle liquid connection needle 042 can be retracted in the injection bottle ventilation needle 041. The injection bottle needle 04 composed of the two is used as a disposable needle. The structural design is complicated and the cost is high;

3. The dispensing device needs to be equipped with a liquid storage device 010 to prevent the liquid medicine in the injection bottle 06 from flowing back during the inhalation process of the air pump 01, which increases the complexity of the structure.

Contents of the invention

The purpose of the present invention is to provide a method for dispensing medicine for powder injection bottles, and at the same time provide a method for dispensing medicine for powder injection bottles, in view of the problems of troublesome operation and complex structure in the prior art. A dispensing device for use in the method.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A method for dispensing medicines for powder injection bottles, comprising the following steps:

Step 1. Preparation for needle insertion. Connect the catheter to needle 1 and needle 2. The needle 1 is connected to the ventilation tube and the air pump. Put the powder injection bottle and the infusion bag in place and align them with the needle 1 and needle 2. needle preparation

Step 2, inserting the needle, inserting the first needle into the powder injection bottle, and inserting the second needle into the infusion bag;

Step 3, suction, the air pump inhales air to form a negative pressure in the powder injection bottle, and then suck the medicinal solution in the infusion bag into the powder injection bottle through the catheter;

Step 4, pull out the needle, control the height of the liquid medicine liquid in the powder injection bottle to be lower than the needle tip height of the needle one, and pull out the needle one from the powder injection bottle after the suction is completed;

Step 5, turn over, shake the powder injection bottle containing the liquid medicine evenly and turn it upside down by 180°. Once the needle is turned upside down by 180°, it is ready for injection;

Step 6. Reversely insert the needle, insert the needle head upwards into the inverted powder injection bottle;

Step 7, injecting, the air pump blows air to form a positive pressure in the powder injection bottle, and inject the medicinal liquid in the powder injection bottle into the infusion bag through the catheter;

Step 8: Pull out the needle and complete the dispensing. When the injection of the liquid medicine in the powder injection bottle is completed, stop the air pump, pull out the needles 1 and 2, and complete the dispensing of the medicine powder in the powder injection bottle. The dispensing process of the infusion bag.

In the above step 2, when the needle 2 is inserted into the infusion bag, because the infusion bag is a soft bag, and the existing medical infusion bags are commonly used, it is environmentally friendly and safe, so it is not necessary to insert the needle 2 into the liquid medicine in the infusion bag Below the liquid level, the infusion bag can be automatically contracted under negative pressure during air pump suction, until the liquid medicine in the infusion bag is higher than the end of the second needle, the liquid medicine in the infusion bag can enter the second needle and be injected through the catheter In the powder bottle. In the above step 6, when the needle is inserted and passed through the powder injection bottle, since the powder injection bottle has been turned 180°, the needle only needs to pass through the bottle cap to communicate with the liquid medicine in the bottle, and then Inject all the prepared medicinal solution in the powder injection bottle into the infusion bag. Therefore, needle 1 and needle 2 only need to use short needles to achieve.

It should be noted that when the needle one is turned over, it is turned together with the catheter. Since the catheter is selected as a plastic hose, it can be easily turned over 180°, and the infusion will not be caused by the change of the direction of the needle one. Blockage of liquid pipe.

When a dispensing requires multiple liquid medicines in powder injection bottles, all the required powder injection bottles are ready in place in the above step 1; after the first powder injection bottle is prepared from the above steps 1 to 8 Put the second powder injection bottle in place, repeat steps 1 to 8 for a new round of dispensing until all the liquid medicine in the powder injection bottle is prepared into the infusion bag; finally the liquid medicine in the infusion bag (including the ampoule that may be required) After all preparations of the drug solution in the bottle) are completed, put the catheter, needle one, needle two and ventilation tube into the designated collection box; reset the new catheter, needle one, needle two and ventilation tube Assembled into a dispensing device, repeat steps 1-8 for dispensing again.

It should be noted that, in the process of dispensing the above steps, each powder injection bottle can be put into the designated collection box after the suction is completed and the needle is pulled out. Put them into the designated collection box together when finished.

Preferably, the dispensing method for the powder injection bottle further includes a first liquid level controller capable of detecting the liquid level in the powder injection bottle, the first liquid level controller is connected to the air pump, and in the step 4 When the liquid level of the liquid medicine in the powder injection bottle reaches a certain position below the needle tip height of the needle one, the first liquid level controller sends a signal, which is transmitted to the air pump and controls the switch of the air pump to turn off, In the third step, the suction is stopped to ensure that the liquid level of the liquid medicine in the powder injection bottle is lower than the height of the needle tip of the first needle, so as to prevent the liquid medicine in the powder injection bottle from flowing back to the air pump after exceeding the height of the needle tip of the first needle.

Preferably, the dispensing method for powder injection bottles further includes a second liquid level controller capable of judging that the liquid medicine in the powder injection bottle has been injected into the infusion bag in the eighth step, and the second liquid level controller Connected with the air pump, the second liquid level controller can detect the liquid medicine in a certain section of the catheter, when the second liquid level controller detects that there is no liquid medicine flow in the section of the catheter When the time expires, the second liquid level controller transmits a signal to the air pump and controls the switch of the air pump to turn off, the air pump stops blowing air, and most of the liquid medicine in the powder injection bottle has been injected into the infusion bag .

Further preferably, the second liquid level controller transmits a signal to the air pump, and controls the switch of the air pump to turn off after a delay of 0-2s, and the air pump stops blowing air.

Since the second liquid level controller sends out a signal when there is no liquid medicine flowing through the detected liquid level of the catheter, if the air pump suddenly stops at this time, part of the liquid medicine in the catheter has not had time to inject the infusion bag, which will cause waste ; If the air pump is delayed for 0-2s to stop, there will be sufficient time to fully inject the drug solution in the catheter tube into the infusion bag. Of course, the second liquid level controller can also send a signal with a delay of 0-2s to control the air pump to stop working so that all the medicinal liquid in the catheter tube is injected into the infusion bag, depending on actual needs.

Preferably, the needle head 1 is provided with a chuck 1 for clamping the needle 1 , and the needle 2 is provided with a chuck 2 for clamping the needle 2 .

The mechanical automatic control device can cooperate with the chuck 1 on the needle head 1 and the chuck 2 on the needle head 2 to complete the above steps 1, 2, 4, 6, and 8, such as inserting the needle, pulling out the needle, turning over, etc., to realize the automatic dispensing. Function; the mechanical automatic control device can be a manipulator, and the manipulator is commonly used in the prior art with the functions of clamping and moving.

Preferably, the air pipe is provided with a chuck three for clamping the air pipe.

The collet three is arranged at the end of the air pipe, which is convenient for the above-mentioned manipulator to realize the automatic connection and disassembly between the air pipe and the air pump.

In order to achieve the above object, another technical solution provided by the present invention is:

A drug dispensing device for powder injection bottles, comprising a catheter, the two ends of the catheter are respectively connected to the first needle and the second needle, the first needle is provided with an infusion needle hole and a ventilation needle hole, the The ventilation pinhole is connected to the ventilation tube, and the ventilation tube is connected to the air pump.

Preferably, the infusion needle hole and the ventilation needle hole are arranged in the needle one in parallel.

Preferably, the axial section of the needle tip of the first needle is V-shaped.

Preferably, the second needle is a single-hole needle, and the single-hole needle for the infusion bag can be used to inject the liquid medicine in the powder injection bottle into the infusion bag as in step 7 above without setting up a ventilation channel connected to the atmosphere.

In summary, owing to adopting above-mentioned technical scheme, the beneficial effect of the present invention is:

1. When the needle 2 of the present invention is inserted into the infusion bag, no matter whether the needle 2 is inserted below the liquid level of the liquid in the infusion bag, the infusion bag can automatically shrink under the negative pressure under the action of the air pump, and the medicine in the infusion bag The liquid can be smoothly injected into the powder injection bottle through the catheter; at the same time, when the needle is inserted and passed through the powder injection bottle, because the powder injection bottle has been turned over, only one needle needs to pass through the bottle cap to communicate with the liquid medicine in the bottle That is, all the liquid medicine that has been prepared in the powder injection bottle can be injected into the infusion bag; therefore, needle 1 and needle 2 can be realized with short needles, and the operation is easier;

2. The first needle of the present invention does not need a longer needle or a needle with a telescopic structure as in the prior art. The ordinary double-hole needle can meet the requirements of use; the second needle does not need to be connected to the outside atmosphere to maintain pressure balance. The hole needle can meet the injection of the infusion bag; the structure of the two needles is simpler, and the cost of the disposable needle is greatly reduced;

3. The present invention can effectively control the flow rate of the liquid medicine injected into the powder injection bottle by the first liquid level controller, and prevent the liquid medicine in the powder injection bottle from flowing back to the air pump through the ventilation tube, without requiring a liquid storage device, which simplifies the structure At the same time, the second liquid level controller can effectively control the injection volume of the powder injection bottle into the infusion bag according to the flow rate of the catheter, which can not only provide a signal after the injection of the powder injection bottle is completed, but also prevent the injection of the powder injection bottle. The air pump also blows air into the infusion bag, which may burst the infusion bag;

4. Needle one of the present invention is provided with chuck one, needle two is provided with chuck two, and vent pipe is also provided with chuck three, by cooperating with existing mechanical automatic control device (as manipulator), can The automatic insertion, removal and flipping of the first needle and the second needle, as well as the automatic connection of the ventilation tube and the air pump, can realize the automatic preparation of the medicinal liquid according to the steps of the medicinal liquid configuration, and can improve the dispensing efficiency.

Description of drawings

Fig. 1 is the structural representation of a kind of medical dispensing device in the prior art;

Fig. 2 is a schematic structural view of a medical dispensing device in the prior art when in use.

Fig. 3 is a schematic structural view of the preparatory stage of dispensing by the medical dispensing device of the present invention;

Fig. 4 is a schematic structural view of the insertion needle of the medical dispensing device according to the present invention when dispensing;

Fig. 5 is a structural schematic diagram of the process of aspirating the liquid medicine in the powder injection bottle when the medical dispensing device according to the present invention is dispensing medicine;

Fig. 6 is a schematic diagram of the structure of the medical drug dispensing device according to the present invention when it completes the suction of the liquid medicine in the powder injection bottle;

Fig. 7 is a structural schematic diagram of pulling out the needle when the medical dispensing device according to the present invention dispenses medicine;

Fig. 8 is a schematic diagram of the structure of the medical dispensing device according to the present invention after the spare bottle and the needle are turned over when dispensing;

Fig. 9 is a structural schematic diagram of the positive and negative pin insertion of the medical dispensing device according to the present invention when dispensing medicine;

Fig. 10 is a schematic diagram of the structure of the spare bottle of medicinal liquid injected into the infusion bag when the medical dispensing device according to the present invention is dispensing medicine;

Fig. 11 is a structural schematic diagram of the medical dispensing device according to the present invention after the dispensing is completed and the needle is pulled out;

Fig. 12 is a schematic structural view of the medical dispensing device of the present invention;

Fig. 13 is a schematic diagram of the structure of the needle of the medical dispensing device according to the present invention;

Fig. 14 is a schematic diagram of the structure of the needle 2 of the medical dispensing device of the present invention.

Fig. 15 is a schematic diagram of the structure of the air pipe provided with the chuck three in the present invention.

Marked in the figure:

01. Air pump, 011. Insufflation port, 012. Inhalation port, 02. Ventilation tube, 03. Catheter, 04. Needle for injection bottle, 041. Ventilation needle for injection bottle, 042. Liquid-through needle for injection bottle, 0423, Liquid port, 05, needle for infusion bag, 0511, liquid port, 053, connection tube, 06, injection bottle, 07, infusion bag, 08, switching valve, 081, air blowing channel, 082, air suction channel, 010, liquid storage;

1. Powder injection bottle, 2. Infusion bag, 3. Ventilation tube, 301, Chuck 3, 4. Catheter, 5. Needle 1, 501, Chuck 1, 502, infusion pinhole, 503, ventilation pinhole , 6, needle two, 601, chuck two, 7, the first liquid level controller, 8, the second liquid level controller, 9, air pump.

detailed description

Below in conjunction with accompanying drawing, the present invention is described in detail.

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

As shown in Figure 3-11, a method for dispensing medicines for powder injection bottles includes the following steps:

Step 1. Needle insertion preparation, as shown in Figure 3, connect the catheter 4 to the needle 1 5 and the needle 2 6, the needle 1 5 is connected to the ventilation tube 3 and the dual-purpose air pump 9, the powder injection bottle 1 and the infusion The bag 2 is in place and aligned with the needle one 5 and the needle two 6 respectively to prepare for needle insertion, wherein the infusion bag 2 is an infusion bag 2 made of soft materials commonly used in medicine;

Step 2, inserting the needle, as shown in Figure 4, start the mechanical automatic control device such as the existing manipulator (not shown in the figure), insert the needle one 5 in the powder injection bottle 1, insert the needle two 6 into the needle in the infusion bag 2;

Step 3, suction, as shown in Figure 5, start the air pump 9, inhale, and form a negative pressure in the powder injection bottle 1, and then suck the medicinal liquid in the infusion bag 2 through the catheter 4 into the In the powder injection bottle 1; in order to prevent the medicinal liquid in the powder injection bottle 1 from flowing back to the air pump 9 after exceeding the needle tip height of the needle 5, a first liquid level controller that can detect the liquid level in the powder injection bottle 1 can be installed 7. The first liquid level controller 7 can send a signal when the liquid level of the liquid medicine in the powder injection bottle 1 reaches a certain position of the needle tip height of the needle 5 (as shown in the A-B liquid level position in Figure 6), the The signal is transmitted to the air pump 9 and the switch of the air pump 9 is controlled to turn off the air pump 9 and stop the suction to ensure that the liquid level of the liquid medicine in the powder injection bottle 1 is lower than the height of the needle tip 404 of the needle-5.

Step 4, pull out the needle, as shown in Figures 6 and 7, after the suction is completed, the mechanical automatic control device pulls out the needle 5 from the powder injection bottle 1;

Step 5, turning over, as shown in Figure 8, the mechanical automatic control device shakes the powder injection bottle 1 containing the medicinal liquid evenly and then turns it upside down by 180°, and the needle 5 is also turned upside down by 180° to prepare for injection; The tube 4 is selected as a plastic hose. When the needle 5 is turned over together with the catheter 5, it can easily be turned 180°, and the catheter 4 will not be blocked during the infusion due to the change of the direction of the needle 5. .

Step 6. Reverse needle insertion, as shown in Figure 9, the mechanical automatic control device inserts the needle 5 upwards into the inverted powder needle bottle 1; inserts the needle 5 into and passes through the powder needle When bottle 1, because the powder injection bottle 1 has turned 180°, so the needle point 1 only needs to pass through the bottle cap to communicate with the liquid medicine in the bottle, start the air pump 9 to blow air, and the powder injection bottle 1 can be filled All the prepared medicinal solution is injected into the infusion bag 2 to avoid unnecessary waste; in this step, if the needle one 5 is pulled out in the above step four, the needle two 6 is also pulled out together, and this step is performed at the same time. Also insert the needle 2 6 downwards into the infusion bag 2;

Step 7, injecting, as shown in Figure 10, the air pump 9 blows air to form a positive pressure in the powder injection bottle 1, and inject the Chinese medicine liquid in the powder injection bottle 1 through the catheter 4 into the Infusion bag 2;

Step 8, pull out the needle and complete the dispensing, as shown in Figure 11, when the injection of the Chinese medicine liquid in the powder injection bottle 1 is completed, stop the air pump 9, and the mechanical automatic control device pulls out the needle 1 5 and needle 2 6, the dispensing process of adding the powder injection bottle 1 to the infusion bag 2 is completed; wherein a second liquid level controller that can judge that the liquid medicine in the powder injection bottle 1 is injected into the infusion bag 2 can be set around the catheter 4 8. The second liquid level controller 8 is connected to the air pump 9, and the second liquid level controller 8 can detect the medicinal liquid in a certain section of the catheter 4 (such as the position of the C-D section in Figure 11). When the device 8 detects that there is no medicinal liquid flowing through the section on the catheter tube 4, the second liquid level controller 8 sends a signal and transmits it to the air pump 9 to control the switch of the air pump 9 to close, and the air pump 9 stops blowing to avoid blowing to the air pump 9. The infusion bag 2 continues to blow and cause the infusion bag 2 to burst. In order to inject all the medicinal liquid in the catheter tube 4 into the infusion bag 2, the second liquid level controller 8 sends a signal to control the switch of the air pump 9 to stop after 0-2 seconds, so that there will be sufficient time to fully inject the medicinal liquid in the catheter tube 4 Infusion bag, no waste.

When multiple powder injection bottles 1 are required for one dispensing, all the required powder injection bottles 1 can be prepared in place according to the above step 1; then the first powder injection bottle 1 goes through the above steps 1 to 1 8. Complete the dispensing, the second powder injection bottle 1 is in place immediately, and then repeat steps 1 to 8 for a new round of dispensing until all the liquid medicine in the powder injection bottle 1 is prepared into the infusion bag 2; finally the infusion bag 2. After all the preparation of the medicinal liquid (including the medicinal liquid in the ampoule bottle that may be required) is completed, the catheter 4, the needle one 5, the needle two 6, and the ventilation tube 3 are all put into the designated collection box. It can also be that all the powder injection bottles 1 are prepared in place according to the above step 1, and all the powder injection bottles 1 are followed by step 1 to step 4 to complete the injection of the infusion bag 2 into all the powder injection bottles 1; Shake bottle 1 well and turn it over, insert the needle, and inject it into infusion bag 2 according to steps 5 to 8 in turn; after all the liquid medicine in bottle 1 for powder injection is injected into infusion bag 2, finally insert catheter 4, Put needle one 5, needle two 6, and vent tube 3 into the designated collection box.

After the liquid medicine configuration of the infusion bag 2 is all completed, reset the new catheter 4, needle one 5, needle two 6, and ventilation tube 3 to assemble a dispensing device, and repeat steps 1-8 for dispensing again. It should be noted that, during the dispensing process of the above steps, each powder injection bottle 1 can be put into the designated collection box after the suction is completed and the needle is pulled out, or multiple powder injection bottles 1 can be dispensed at one time. Put them together into a designated collection box after suction is complete.

The dispensing device used in the dispensing method for the above-mentioned powder injection bottle 1, as shown in FIG. One of the holes is the infusion needle hole 502 connected with the catheter tube 4, and the other hole is the ventilation needle hole 503 connected with the ventilation tube 3. The pinhole 503 communicates with the vent tube 3, the vent tube 3 is connected to the air pump 9, and the needle point of the needle head 5 is in a V-shaped section along the axial direction of the needle head 5, as shown in Figure 13, the needle head can be a cone or It is a V-shaped needle point formed by two slopes; the needle 2 6 is a single needle hole, as shown in Figure 14.

In order to cooperate with the mechanical automatic control device for automatic dispensing, the above-mentioned needle one 5 is also provided with a clamp one 501 for easy clamping, and the needle two 6 is provided with a clamp two 601 for easy clamping, clamp one 501, clamp Head 2 601 can cooperate with its mechanical automatic control device to complete the needle insertion and needle removal actions of needle 1 5 and needle 2 6, and the flipping action of chuck 1 5; similarly, chuck 3 301 can also be arranged on the ventilation pipe 3, which is convenient The mechanical automatic control device cooperates with the chuck three 301 to automatically connect the vent pipe 3 or remove the air pump 9, as shown in Figure 15; A chuck with an annular groove in the middle facilitates the clamping of the mechanical automatic control device, wherein the mechanical automatic control device may be an existing manipulator with clamping and moving functions.

In particular, it is also applicable to replace the above-mentioned soft infusion bag 2 with a common hard infusion bottle for medical use, because when the medicine liquid in the powder injection bottle 1 is input into the infusion bottle, under the positive pressure of the air pump 9, the inside of the powder injection bottle 1 is positively pressed. If the pressure is greater than the pressure in the hard infusion bottle, the liquid medicine in the powder injection bottle 1 can be injected into the infusion bottle; otherwise, under the negative pressure of the air pump 9, the medicine liquid in the infusion bottle can also be sucked into the powder injection bottle 1 Mix medicine powder; when it is necessary to configure more medicine liquid to the hard infusion bottle, such as the medicine liquid of multiple powder injection bottles 1, for the convenience of operation, a ventilation channel can be set on the needle 2 6 to connect the hard infusion bottle and The external atmosphere is used to achieve the purpose of balancing the air pressure in the infusion bottle, and it is convenient to quickly extract the medicinal liquid into the powder injection bottle 1 and inject the medicinal liquid from the powder injection bottle 1 into the hard infusion bottle.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (6)

1. A method for dispensing powder injection bottles, characterized in that, comprising the following steps: Step 1. Preparation for needle insertion. Connect the catheter (4) to needle one (5) and needle two (6). The needle one (5) is connected to the ventilation tube (3) and the air pump (9). (1) and the infusion bag (2) are in place and aligned with the needle one (5) and needle two (6); wherein the needle one (5) is a double-hole needle, and one of the holes is a connecting catheter The infusion needle hole (502) of (4), the other hole is the ventilation needle hole (503) that communicates with the ventilation tube (3), and the infusion needle hole (502) and the ventilation needle hole (503) are arranged on the needle head in parallel. within (5); Step 2, inserting the needle, inserting the needle one (5) into the powder injection bottle (1), inserting the needle two (6) into the infusion bag (2); Step 3, suction, the air pump (9) inhales air to form a negative pressure in the powder injection bottle (1), and then pass the medicinal liquid in the infusion bag (2) through the catheter (4) ) into the powder injection bottle (1); Step 4, pull out the needle, control the height of the liquid medicine liquid in the powder injection bottle (1) to be lower than the needle tip height of the needle one (5), and remove the needle one (5) from the powder after the suction is completed. Pull out from the needle bottle (1); Step 5, turning over, the needle head one (5) is also provided with chuck one (501) for easy clamping, and the needle head two (6) is provided with chuck two (601) for easy clamping, through mechanical automatic control The device cooperates with the chuck one (501) and the chuck two (601) respectively, shakes the powder injection bottle (1) containing the medicinal liquid and turns it upside down by 180°, and the mechanical automatic control device cooperates with the Chuck one (501) turns the needle one (5) upside down by 180°; Step 6. Reversely insert the needle, and insert the needle one (5) into the upside-down powder injection bottle (1); Step 7, injecting, the air pump (9) blows air to form a positive pressure in the powder injection bottle (1), and pass the medicinal liquid in the powder injection bottle (1) through the catheter (4) Inject into the infusion bag (2); Step 8: Pull out the needle and complete the dispensing. The air pipe (3) is also provided with a chuck three (301). When the injection of the liquid medicine in the powder injection bottle (1) is completed, stop the air pump (9) , the mechanical automatic control device cooperates with the chuck one (501), the chuck two (601) and the chuck three (301), pull out the needle one (5), the needle two (6) and the air pump (9 ), then completed the dispensing process that the medicine powder in the powder injection bottle (1) is mixed into the infusion bag (2). 2. The method for dispensing powder injection bottles according to claim 1, further comprising a first liquid level controller (7) capable of detecting the liquid level in the powder injection bottle (1), the first liquid level controller (7) A liquid level controller (7) is connected to the air pump (9), and the liquid level of the liquid medicine in the powder injection bottle (1) in the step 4 reaches a certain position below the height of the needle tip of the needle one (5) , the first liquid level controller (7) sends a signal, which is transmitted to the air pump (9) and controls the switch of the air pump (9) to close, and the suction in step 3 is stopped to ensure that the powder needle The liquid level of the liquid medicine in the bottle (1) is lower than the needle point height of the needle one (5). 3. The method for dispensing powder injection bottles according to claim 1, further comprising the step of judging that the liquid medicine in the powder injection bottle (1) has been injected into the infusion bag (2) in the eighth step The second liquid level controller (8), the second liquid level controller (8) is connected with the air pump (9), and the second liquid level controller (8) can detect that the catheter (4) A certain section of the liquid medicine, when the second liquid level controller (8) detects that there is no liquid medicine flowing through the section on the catheter (4), the second liquid level controller (8) The signal is transmitted to the air pump (9) and the switch of the air pump (9) is controlled to be closed, and the air pump (9) stops blowing. 4. The method for dispensing medicines for powder injection bottles according to claim 3, characterized in that, the second liquid level controller (8) transmits the signal to the air pump (9), and controls the air pump (9) with a delay of 0-2s. Described air pump (9) switch is closed, and described air pump (9) stops blowing. 5. The method for dispensing powder injection bottles according to claim 1, characterized in that, the needle one (5) is provided with a chuck one (501) that is convenient for clamping the needle one (5), and the needle one (5) is The second needle (6) is provided with the second chuck (601) for clamping the second needle (6). 6 . The method for dispensing powder injection bottles according to claim 1 , characterized in that, the ventilation tube ( 3 ) is provided with a chuck three ( 301 ) for clamping the ventilation tube ( 3 ).