CN102579258A - Simple dosage method and dosage apparatus for realizing same - Google Patents

Abstract

The invention provides a simple medicine dispensing method and a medicine dispensing device thereof. Firstly, an airtight circulation channel between a medicine bottle and a soft plastic liquid bottle is established, and the soft plastic liquid bottle is placed upside down above the medicine bottle, and the soft plastic liquid bottle is squeezed to produce The driving force is to squeeze out the liquid into the medicine bottle to dissolve the medicine powder; then put the medicine bottle upside down on the top of the soft plastic liquid bottle, squeeze the soft plastic liquid bottle again, inject the air into the medicine bottle, and suck the liquid in the medicine bottle The liquid medicine enters into the soft plastic liquid bottle; the dispensing process of transferring the medicine powder in the medicine bottle to the soft plastic liquid bottle is completed. The dispensing device is composed of a double-channel replacement needle. The two ends of the replacement needle are sharp, one end is inserted into the end of the soft plastic liquid bottle, and the other end is inserted into the end of the medicine bottle. The bottle outlet hole communicates with the liquid bottle inlet hole to form a second channel. The dispensing method and device can simplify the operation, reduce the chance of pollution and reduce the waste of medicine.

Description

A simple dispensing method and dispensing device thereof

technical field

The invention belongs to the technical field of medical devices, in particular to a simple dispensing method for soft plastic liquid bottles and a dispensing device thereof. the

Background technique

The dispensing method to the input liquid in existing medical treatment both at home and abroad, all is to adopt disposable syringe to suck a small amount of liquid to inject in the medicine bottle of dress powder injection, after the medicine powder fully dissolves, draw back with syringe again, inject in the liquid bottle. The above-mentioned traditional dispensing method has disadvantages such as drug waste, cumbersome process, and easy pollution. In view of the above deficiencies, the applicant once disclosed a dispensing method for powder injection and its dispensing device (application number: 201120293036.5, application date: August 12, 2011), which effectively overcomes the problems in the prior art. The dispensing method using syringes is not suitable for glass or other types of liquid bottles, but the realization of this dispensing method must be driven by a special peristaltic pump. At the same time, the dispensing device includes peristaltic hoses and connecting nozzles. For the soft plastic liquid bottle used), the structure is relatively complicated.

Contents of the invention

The purpose of the present invention is to provide a simpler method of dispensing medicines for certain medicine dispensing needs (such as widely used soft plastic liquid bottles), so as to further meet clinical needs.

Another object of the present invention is to provide an easier dispensing device for certain dispensing needs such as widely used soft plastic liquid bottles.

In order to achieve the above object, the technical scheme that the present invention takes is:

A simple medicine dispensing method, firstly establish a closed circulation channel between the medicine bottle and the soft plastic liquid bottle, put the soft plastic liquid bottle upside down on the top of the medicine bottle, squeeze the soft plastic liquid bottle to generate driving force, and extrude the soft plastic liquid The liquid in the bottle enters the medicine bottle to dissolve the medicine powder; then put the medicine bottle upside down on the top of the soft plastic liquid bottle, squeeze the soft plastic liquid bottle again, inject the air in the soft plastic liquid bottle into the medicine bottle, and suck the medicine bottle back The medicinal liquid in the medicine enters into the soft plastic liquid bottle; completes the dispensing process of transferring the medicinal powder in the medicine bottle to the soft plastic liquid bottle.

.A dispensing device for realizing the above-mentioned simple dispensing method, the dispensing device is composed of a double-channel replacement needle, the two ends of the replacement needle are sharp, and one end is inserted into a soft plastic liquid bottle end, and is provided with a liquid bottle inlet hole and a liquid bottle outlet hole, The other end is the end for inserting the medicine bottle, which is provided with a medicine bottle inlet hole and a medicine bottle outlet hole, the liquid bottle outlet hole and the medicine bottle inlet hole are connected to form a first passage, and the medicine bottle outlet hole and the liquid bottle inlet hole are connected to form a second passage.

The waist of the replacement needle is provided with a limiting convex ring to limit the positions when the two ends of the replacement needle are inserted into the medicine bottle and the soft plastic liquid bottle respectively through the bottle stopper, that is, to limit the insertion of one end of the replacement needle into the soft plastic liquid bottle, and its length is less than The distance between the liquid level of the soft plastic liquid bottle and its cork; it is limited to the end where the replacement needle is inserted into the medicine bottle, and the medicine bottle exit hole is arranged at the cork of the medicine bottle.

Compared with the traditional syringe dispensing method, the above-mentioned simple dispensing method and dispensing device provided by the present invention are simple to operate, and effectively avoid repeated exposure of the needle in the air and the occurrence of injecting dirty air in the ward into the liquid bottle; Compared with the "a dispensing method for powder injection and its dispensing device (application number: 201120293036.5, application date: August 12, 2011)" provided, it does not require a dedicated peristaltic pump drive, eliminating the need for peristaltic hoses and connections Mouth, the structure is simpler and the cost is lower.

Description of drawings

Fig. 1 is the schematic diagram of traditional dispensing method

Fig. 2 is a structural schematic diagram of the dispensing device of the present invention

Figure 3-1, Figure 3-2, Figure 4-1, and Figure 4-2 are schematic diagrams of the sequence of the dispensing method of the present invention

In the figure: B-liquid bottle; b-medicine bottle; Z-syringe; 1-replacement needle; 2-first channel; 3-second channel; 4-liquid bottle inlet; 5-medicine bottle outlet; Medicine bottle inlet; 7-liquid bottle outlet; 8-limiting convex ring.

Detailed ways

Fig. 1 is the schematic diagram of traditional dispensing method. The liquid preparation process needs to use syringe Z to draw a small amount of liquid from liquid bottle B and inject it into medicine bottle b to dissolve the medicine powder. After the medicine powder is dissolved, use syringe Z to draw back the solution from medicine bottle b and inject it into liquid bottle B. dispensing medicine. The whole process is not only complicated, but also the high-concentration powder injection solution will remain in the medicine bottle b and syringe Z, causing waste, and the needle of syringe Z is easily polluted by repeated exposure to the air.

Fig. 2 is a schematic structural diagram of the dispensing device of the present invention. The dispensing device of the present invention is composed of a special double-channel replacement needle 1, the replacement needle 1 is an integral structure, both ends are sharp, one end is inserted into the B end of the soft plastic liquid bottle, and is provided with a liquid bottle inlet 4 and a liquid bottle outlet Hole 7, the other end of which is inserted into the end of the medicine bottle b, is provided with a medicine bottle inlet hole 6 and a medicine bottle outlet hole 5, the liquid bottle outlet hole 7 and the medicine bottle inlet hole 6 are connected to form the first channel 2, and the medicine bottle outlet hole 5 is connected with the medicine bottle outlet hole 6. The second channel 3 is formed through the liquid bottle inlet hole 4 . The waist of the replacement needle 1 is provided with a limiting convex ring 8, which is perpendicular to the first channel 2 and the second channel 3, and the limiting convex ring 8 is used to limit the insertion of the two ends of the replacement needle 1 into the medicine bottle through the bottle stopper. b and the position inside the soft plastic liquid bottle B, that is, limit the insertion of the replacement needle 1 into the end of the soft plastic liquid bottle B, and its length is less than the distance between the liquid level of the soft plastic liquid bottle B and its bottle stopper; limit the insertion of the replacement needle 1 into the medicine One end of the bottle b, its medicine bottle outlet hole 5 is located at the bottle stopper close to the medicine bottle b. Compared with the dispensing method for powder injection and its dispensing device provided by the applicant (application number: 201120293036.5, application date: August 12, 2011), this dispensing device saves the peristaltic pump and peristaltic hose And the connecting mouth, the structure is simpler and the cost is lower.

Fig. 3-1, Fig. 3-1, Fig. 4-1, Fig. 4-2 are schematic diagrams of the sequence of the dispensing method of the present invention. When dispensing medicine, insert the two ends of the replacement needle 1 into the corresponding soft plastic liquid bottle B and medicine bottle b respectively, so that the medicine bottle outlet hole 5 and the medicine bottle inlet hole 6 are located in the medicine bottle b, and the liquid bottle outlet hole 7 and the medicine bottle The liquid bottle inlet 4 is positioned in the soft plastic liquid bottle B. As shown in Figure 3-1, first place the medicine bottle b at the bottom, and place the soft plastic liquid bottle B upside down on the top of the medicine bottle b, so that the end of the replacement needle 1 located in the soft plastic liquid bottle B is in the liquid of the soft plastic liquid bottle B In the process, extruding the soft plastic liquid bottle B increases its internal pressure, and the pressure in the soft plastic liquid bottle B will be greater than the pressure in the medicine bottle b. Since the position of the medicine bottle inlet 6 is lower than the position of the medicine bottle outlet 5, The liquid in the soft plastic liquid bottle B is squeezed into the medicine bottle b through the first passage 2 to the pressure balance in the two bottles. As shown in Figure 3-2, when the squeeze on the soft plastic liquid bottle B is released, the pressure inside the soft plastic liquid bottle B becomes smaller, and the pressure in the previously squeezed liquid pressurized medicine bottle b is greater than that of the soft plastic liquid bottle The pressure in B makes the air in the medicine bottle b enter the second passage 3 through the medicine bottle outlet 5, and inject it into the soft plastic liquid bottle B through the second passage 3, and restore the pressure balance in the two bottles. In the same way, if the soft plastic liquid bottle B is repeatedly squeezed and loosened, the above-mentioned pressure change and liquid and gas transfer will continue. The bottle stopper, the above process will evacuate the air in the medicine bottle b to the maximum extent until the medicine bottle b is full of liquid. After the medicine powder in the medicine bottle b is dissolved, under the condition of keeping the original connection state unchanged, turn over the soft plastic liquid bottle B and the medicine bottle b, so that the medicine bottle b is upside down on the top of the soft plastic liquid bottle B, and the soft plastic liquid bottle B The mouth of the bottle is up. As shown in Figure 4-1, at this time, the tip of the replacement needle 1 inserted into the soft plastic liquid bottle B is in the air in the soft plastic liquid bottle B, squeezing the soft plastic liquid bottle B increases its internal pressure, and the soft plastic liquid bottle B The pressure in the liquid bottle B is greater than the pressure in the medicine bottle b. Since the position of the medicine bottle inlet 6 is higher than the position of the medicine bottle outlet 5, the air in the soft plastic liquid bottle B enters the first channel 2 through the liquid bottle outlet 7 and Squeezed into vial b. As shown in Figure 4-2, when the squeeze on the soft plastic liquid bottle B is released, the pressure in the soft plastic liquid bottle B becomes smaller, and the pressure in the previously squeezed air pressurized medicine bottle B is greater than that of the soft plastic liquid bottle B Under the action of the pressure difference, the medicine liquid in the medicine bottle b enters the second passage 3 through the medicine bottle outlet 5, and is injected into the soft plastic liquid bottle through the second passage 3 in B. In the same way, if the soft plastic liquid bottle B is repeatedly squeezed and loosened, the above-mentioned pressure change and liquid and gas transfer will continue. The liquid medicine in the bottle b is emptied to the maximum extent, so as to reduce the residue of the liquid medicine in the medicine bottle b.

The medicine dispensing method and medicine dispensing device provided by the present invention can complete the medicine dispensing process only by squeezing the soft plastic liquid bottle B, and the operation is simple; the position of the specially designed channel inlet and outlet holes minimizes the residue of the medicine liquid in the medicine bottle b. Compared with the syringe dispensing method, the transfer of liquid and air is carried out between two aseptic bottles, avoiding the repeated exposure of needles in the air and injecting the unclean air of the ward into the liquid bottle B; Compared with a dispensing method for powder injection and its dispensing device (application number: 201120293036.5, application date: August 12, 2011), it does not need a dedicated peristaltic pump drive and has a simpler structure.

Claims (3)

1. simple and easy dosage; It is characterized in that: set up airtight circulation canal between medicine bottle (b) and the flexible plastic liquid bottles (B); Flexible plastic liquid bottles (B) is inverted in the top of medicine bottle (b); Utilize extruding flexible plastic liquid bottles (B) to produce driving force, the liquid of extruding in the flexible plastic liquid bottles (B) enters into medicine bottle (b) dissolving medicated powder; Again medicine bottle (b) is inverted in the top of flexible plastic liquid bottles (B); Push flexible plastic liquid bottles (B) once more; Air in the flexible plastic liquid bottles (B) is injected medicine bottle (b), and the medicinal liquid in the resorption medicine bottle (b) enters into flexible plastic liquid bottles (B); Completion is transferred to the process of making up a prescription in the flexible plastic liquid bottles (B) with the medicated powder in the medicine bottle (b).

2. the realization dispensation apparatus of simple and easy dosage according to claim 1; It is characterized in that: this dispensation apparatus is made up of dual pathways displacement pin (1); These displacement pin (1) two ends are sharp-pointed, and an end is for inserting flexible plastic liquid bottles (B) end, are provided with liquid bottles and advance hole (4) and liquid bottles portal (7); The other end is for inserting medicine bottle (b) end; Be provided with that medicine bottle enters hole (6) and medicine bottle portals (5), portal (7) and medicine bottle of liquid bottles enters hole (6) and connects and constitute first passage (2), and portal (5) and liquid bottles of medicine bottle entered hole (4) and connected and form second channel (3).

3. dispensation apparatus according to claim 2; It is characterized in that: the waist of described displacement pin (1) bulge loop (8) of limiting; Limit the end that displacement pin (1) inserts flexible plastic liquid bottles (B), its length is less than the spacing between flexible plastic liquid bottles (B) liquid level and its bottle stopper; Limit the end that displacement pin (1) inserts medicine bottle (b), its medicine bottle portal (5) be located at the bottle stopper place of next-door neighbour's medicine bottle (b).

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