CN211535657U - Dispensing device for oncology department - Google Patents

Abstract

The utility model discloses a dispensing device for oncology, contain the shell, be equipped with electronic aspirator pump inside the shell, the suction nozzle of electronic aspirator pump passes through the negative pressure articulate on negative pressure pipeline and the shell, the exhaust nozzle of electronic aspirator pump is connected the back with air cleaner and is passed through the malleation articulate on malleation pipeline and the shell, be equipped with xiLin bottle recess in electronic aspirator pump one side, xiLin bottle recess upper end is articulated with the shell upper surface, be equipped with miniature vibrating device in xiLin bottle recess one side, miniature vibrating device and xiLin bottle recess swing joint, still be equipped with the dispensing bottle on the shell surface and hang the pole, first switch and second switch, electronic aspirator pump and miniature vibrating device are connected with the inside power electricity of shell respectively. The utility model discloses convenient to use, simple structure have reduced the probability that the working strength and the acupuncture that the nurse dispensed the medicine and wounded the emergence, have improved nurse's work efficiency.

Description

A medicine dispensing device for oncology

technical field

The utility model relates to the technical field of medical devices, in particular to a medicine dispensing device for oncology.

Background technique

Infusion dispensing is an important task in clinical treatment. Most of the current infusion dispensing methods use a syringe to pierce the medicine bottle, and push and pull the piston by hand to dilute the medicine. The rubber stopper of the bottle is easy to cause the leakage of the infusion bottle and the contamination of bacteria and particles. Sometimes in order to reduce the probability of the syringe being contaminated and shorten the dispensing time, the amount of solution injected into the bottle is very small, but the drug cannot be dissolved well. The high concentration of traditional Chinese medicine in turn increases the residual medicine in the bottle, making the actual dosage lower than the effective dosage. At the same time, the rubber stopper of the infusion bottle and the vial is easily stabbed to the nurse and causes cross-infection. And multiple puncturing is not only labor-intensive, but also time-consuming and labor-intensive.

Utility model content

In order to overcome the defects existing in the background art, the purpose of the present invention is to provide a medicine dispensing device for oncology.

In order to achieve the above purpose, the technical scheme adopted by the present invention is as follows: a medicine dispensing device for oncology, comprising a casing, an electric suction pump is arranged inside the casing, and the suction nozzle of the electric suction pump passes through the negative pressure. The pipeline is connected with the negative pressure joint arranged on the casing, the exhaust nozzle of the electric air suction pump is connected with the air filter, and the air filter is connected with the positive pressure pipeline arranged on the casing through the positive pressure pipeline. The crimping head is connected, and the electric suction pump is also electrically connected with a power supply arranged inside the casing;

A vial groove is recessed at one end of the top of the casing, the notch of the vial groove is flush with the top plane of the casing and is hinged to each other through hinges, and the groove bottom of the vial groove is concavely arranged at the top of the casing. Inside the casing, a micro-vibration device is provided inside the casing and on one side of the vial groove, and the micro-vibration device is hinged to the vial groove;

The other end of the top of the casing is fixedly provided with a pharmaceutical bottle suspension rod, and a movable needle holder is connected to the pharmaceutical bottle suspension rod;

The casing is further provided with a first switch and a second switch, the input end of the first switch is electrically connected to the power supply, the output end is electrically connected to the electric suction pump, and the input end of the second switch is electrically connected It is electrically connected with the power supply, and the output end is electrically connected with the micro vibration device.

In the above solution, the micro-vibration device includes a micro-motor, an eccentric wheel and a movable connecting rod, the output shaft of the micro-motor is connected with the rotating shaft of the eccentric wheel, and the eccentric wheel is connected to the Xilin through the movable connecting rod The outer wall of the bottle groove is hinged, the power source is correspondingly electrically connected to the micro motor of the micro vibration device, and the output end of the second switch is correspondingly electrically connected to the micro motor of the micro vibration device.

In the above solution, the oncology dispensing device further includes a catheter and a ventilation tube, one end of the catheter is extended outside the housing and connected with the movable needle holder, and the other end is extended inside the housing and connected with the cillin bottle groove connection;

The ventilation tube is arranged outside the housing, and one end is connected with the movable needle holder, and the other end is connected with the negative pressure connector or the positive pressure connector.

In the above solution, both ends of the catheter are provided with a first needle, and one of the first needles is fixed on the movable needle holder and connected to the end of the catheter that extends outside the housing , another first needle is fixedly penetrated at the bottom of the groove of the vial, and is connected with the end of the catheter that is extended inside the casing;

One end of the ventilation pipe is provided with a second needle, and the other end is provided with a ventilation pipe joint, the length of the second needle is greater than that of the first needle and is fixed on the movable needle fixing frame, It is connected with one end of the ventilation pipe, and the ventilation pipe joint is respectively connected with the other end of the ventilation pipe and the negative pressure joint or the positive pressure joint.

In the above solution, a manual valve is also provided on the ventilation pipe, and an air filter membrane is provided at the air inlet of the negative pressure joint and the air outlet of the positive pressure joint, and the air filter membrane is made of polypropylene. It is made of non-woven material, and the pore size of the air filter membrane is 15-20 μm.

In the above solution, a pressure regulating valve is provided on both the negative pressure pipeline and the positive pressure pipeline.

In the above solution, the micro motor adopts a brushless DC motor with a model of B5665M.

In the above solution, the electric suction pump adopts a micro vacuum pump with a model of VCH1028.

In the above solution, the power supply adopts a 12V or 24V DC power supply.

In the above solution, the catheter and the ventilation tube are both medical latex tubes.

Compared with the prior art, the beneficial effects of the present utility model are:

(1) When the powder medicine is prepared, the infusion bottle is connected with the vial through the catheter, and then the ventilation tube is connected with the positive pressure interface of the dispensing device, and air is input into the infusion bottle through the dispensing device to increase the pressure in the infusion bottle. Then, the medicinal liquid in the infusion bottle is injected into the vial through the catheter, and the amount of medicinal liquid injected into the vial by the dispensing device is large, and the dissolution rate of the drug is high. Therefore, the residual amount of the powdered drug in the vial is reduced, and the actual dosage is increased.

(2) When the injection medicine is prepared, the infusion bottle and the vial are connected through the catheter, and then the ventilation tube is connected with the negative pressure interface of the dispensing device, and the negative pressure is formed in the infusion bottle through the dispensing device. The liquid medicine is injected into the infusion bottle, which is easy to operate and easy to use. The puncture of the rubber stopper of the infusion bottle can complete the preparation of powder or injection medicine. At the same time, the use of the dispensing device reduces the need for nurses to suffer from needle stick injuries during the dispensing process. risk of cross-infection.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the internal structure schematic diagram one of the utility model;

Fig. 3 is the internal structure schematic diagram two of the utility model;

Fig. 4 is the schematic diagram one of the use state of the present invention;

FIG. 5 is a second schematic diagram of the use state of the present invention.

In the figure: 1. Shell; 1.1. Negative pressure connector; 1.2. Positive pressure connector; 2. Electric suction pump; 2.1. Air suction nozzle; 2.2. Exhaust nozzle; 3. Air filter; ; 5. Micro vibration device; 5.1, Micro motor; 5.2, Eccentric wheel; 5.3, movable connecting rod; 6, negative pressure pipeline; 6.1, pressure regulating valve; 7, positive pressure pipeline; 8, power supply; 9, dispensing bottle suspension rod; 9.1, needle holder; 10, catheter; 10.1, first needle; 11, ventilation tube; 11.1, second needle; 11.2, ventilation connector; 12, first switch; 11.3, manual valve; 13, section Two switches; 14, infusion bottle; 15, vial; 16, net pocket.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Fig. 1 to Fig. 3 , a medicine dispensing device for oncology provided by the present invention comprises a casing 1, an electric suction pump 2 is arranged inside the casing 1, and the suction nozzle 2.1 of the electric suction pump 2 passes through The negative pressure pipeline 6 is connected to the negative pressure joint 1.1 arranged on the casing 1, the exhaust nozzle 2.2 of the electric air suction pump 2 is connected to the air filter 3, and the air filter 3 is connected to the casing 1 through the positive pressure pipeline 7. The positive pressure joint 1.2 on the upper part is connected, and the electric suction pump 2 is also electrically connected with the power supply 8 arranged inside the casing 1;

A vial groove 4 is recessed on one end of the top of the casing 1, the notch of the vial groove 4 is flush with the top plane of the casing 1 and is hinged to each other through hinges, and the groove bottom of the vial groove 4 is recessed inside the casing 1 , inside the shell 1 and at the side of the vial groove 4 is provided with a micro-vibration device 5, and the micro-vibration device 5 is hinged with the vial groove 4;

The other end of the top of the casing 1 is fixedly provided with a dispensing bottle suspension rod 9, and a movable needle head holder 9.1 is connected to the dispensing bottle suspension rod 9;

The casing 1 is also provided with a first switch 12 and a second switch 13. The input end of the first switch 12 is electrically connected to the power supply 8, the output end is electrically connected to the electric suction pump 2, and the input end of the second switch 13 is electrically connected to the power supply 8. Electrical connection, the output end is electrically connected with the micro vibration device 5 .

The micro vibration device 5 includes a micro motor 5.1, an eccentric wheel 5.2 and a movable connecting rod 5.3. The output shaft of the micro motor 5.1 is connected with the rotating shaft of the eccentric wheel 5.2, and the eccentric wheel 5.2 is hinged with the outer wall of the vial groove 4 through the movable connecting rod 5.3. , the power supply 8 is correspondingly electrically connected to the micro motor 5.1 of the micro vibration device 5 , and the output end of the second switch 13 is correspondingly electrically connected to the micro motor 5.1 of the micro vibration device 5 .

The oncology dispensing device of the present invention also includes a catheter 10 and a ventilation tube 11. One end of the catheter 10 is extended outside the casing 1 and is connected to the movable needle holder 9.1, and the other end is extended inside the casing 1 and is connected to the vial. groove 4 connection;

The ventilation tube 11 is arranged outside the housing 1, and one end is connected to the movable needle holder 9.1, and the other end is connected to the negative pressure connector 1.1 or the positive pressure connector 1.2.

A first needle 10.1 is provided at both ends of the catheter 10, one of the first needles 10.1 is fixed on the movable needle fixing frame 9.1 and is connected to the end of the catheter 10 that extends outside the housing 1, and the other is a first needle 10.1. The needle 10.1 is fixedly pierced through the groove bottom of the vial groove 4, and is connected with the end of the catheter 10 extending inside the casing 1;

One end of the ventilation pipe 11 is provided with a second needle 11.1, and the other end is provided with a ventilation pipe joint 11.2. The length of the second needle 11.1 is greater than that of the first needle 10.1 and is fixed on the movable needle fixing frame 9.1, and is connected with One end of the ventilation pipe 11 is connected, and the ventilation pipe joint 11.2 is respectively connected with the other end of the ventilation pipe 11 and the negative pressure joint 1.1 or the positive pressure joint 1.2.

A manual valve 11.3 is also provided on the ventilation pipe 11, and an air filter membrane is provided at the air inlet of the negative pressure joint 1.1 and the air outlet of the positive pressure joint 1.2, and the air filter membrane is made of polypropylene non-woven material. The pore size of the air filtration membrane is 15-20 μm.

A pressure regulating valve 6.1 is provided on both the negative pressure pipeline 6 and the positive pressure pipeline 7, which is used to adjust the positive pressure and negative pressure in the infusion bottle to prevent the medicine from being injected into the vial from the infusion bottle due to excessive pressure. If there is too much liquid, the pressure in the vial will be too large, and the powder medicine will not be fully dissolved, and some of the mixed liquid will flow back into the infusion bottle, or the pressure will be too low to inject the liquid in the infusion bottle into the vial for drug preparation. .

The micro motor 5.1 adopts the brushless DC motor of type B5665M. The brushless DC motor has the advantages of small vibration, low noise, stable movement, and small starting current, which makes the eccentric wheel 5.2 rotate smoothly and ensures that the groove 4 of the vial can be installed smoothly. Uniform shaking is conducive to the full dissolution of the powder medicine.

The electric suction pump 2 adopts the micro vacuum pump model VCH1028. Because the suction port or exhaust port of the micro vacuum pump can form a pressure difference with the outside atmosphere, and does not require lubricating oil and vacuum pump oil, it will not pollute the working medium, and at the same time The micro vacuum pump has the advantages of small size, low noise, maintenance-free, and can run continuously for 24 hours.

The catheter 10 and the ventilation tube 11 are both medical latex tubes. The surface of the latex tube is smooth, non-toxic, odorless, resistant to disinfection, and does not contain soluble harmful substances.

The power supply 8 uses a 12V or 24V DC power supply.

The dispensing process using the dispensing device of the present utility model is as follows:

(1) The operator (nurse) first removes the aluminum cap at the bottle mouth of the infusion bottle 14, uses the net pocket 16 to cover the infusion bottle 14, and hangs the bottle mouth down on the suspension rod 9 of the dispensing bottle. At the same time, the manual valve 11.3 on the ventilation pipe 11 is closed, so that the two ends of the ventilation pipe 11 are not connected to each other, and then the first needle 10.1 and the second needle 11.1 fixed on the needle holder 9.1 are sequentially removed from the rubber of the infusion bottle 14. The plug is inserted into the infusion bottle 14 , as shown in FIG. 4 , and the needle tip of the second needle 11 .

(2) Then the operator (nurse) removes the aluminum cap at the bottle mouth of the vial 15, inserts the bottle mouth of the vial 15 into the vial groove 4 vertically, and makes the vial groove 4 groove The bottom-fixed first needle 10.1 is inserted into the vial 15 from the rubber stopper of the vial 15, as shown in FIG. 5 .

(3) If the prepared medicine is powder (that is, the medicine in the vial is powder), first connect the ventilation joint 11.2 on the ventilation pipe 11 with the positive pressure joint 1.2 on the casing 1, and open the manual valve on the ventilation pipe 11. 11.3, make the two ends of the ventilation pipe 11 communicate with each other, and then turn on the first switch 12 to start the electric air suction pump 2 to work, and filter the discharged air through the air filter 3 through the exhaust nozzle 2.2 of the electric air suction pump 2. It is transported into the liquid bottle 14 by the ventilation tube 11, so that the pressure in the infusion bottle 14 is increased, so that the medicinal liquid in the infusion bottle 14 is injected into the vial 15 through the catheter 10;

When the operator (nurse) observes that the liquid medicine injected into the vial 15 is enough to dissolve the powder, close the first switch 12, and then open the second switch 13 to start the micro vibration device 5, and drive the eccentric wheel 5.2 through the micro motor 5.1 Drive the movable connecting rod 3 to push the vial groove 4 to swing back and forth, so that the powder in the vial 15 is fully dissolved;

After the operator (nurse) observes that the powder in the vial 15 is fully dissolved, close the second switch 13, and then remove the vent joint 11.2 on the vent tube 11 from the positive pressure connector 1.2 on the shell 1 and connect it with the shell 1. The negative pressure connector 1.1 is connected, and then the first switch 12 is turned on to start the electric suction pump 2 to work, and the air in the infusion bottle 14 is drawn outward through the air suction nozzle 2.1 of the electric suction pump 2, so that the inside of the infusion bottle 14 is formed. Negative pressure, so that the powder medicine liquid completely dissolved in the vial 15 is sucked back into the infusion bottle 14 through the catheter 10;

When the operator (nurse) observes that the liquid medicine in the vial 15 has been absorbed, and then closes the first switch 12, the preparation of the powder medicine is completed.

(4) If the medicine to be dispensed is an injection (that is, the medicine in the vial is an injection), first connect the ventilation joint 11.2 on the ventilation pipe 11 to the negative pressure joint 1.1 on the casing 1, and open the ventilation pipe 11. The manual valve 11.3 makes the two ends of the ventilation pipe 11 communicate with each other, and then the first switch 12 is turned on to start the electric suction pump 2 to work, and the air in the infusion bottle 14 is drawn outward through the suction nozzle 2.1 of the electric suction pump 2 , so that negative pressure is formed inside the infusion bottle 14, so that the injection in the vial 15 is sucked back into the infusion bottle 14 through the catheter 10;

When the operator (nurse) observes that the injection in the vial 15 is completely absorbed, the first switch 12 is closed again, that is, the preparation of the injection is completed.

The above are only the embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent process transformation made by using the contents of the description of the present invention, or directly or indirectly applied in other related technical fields, are similarly included in the The utility model is within the scope of patent protection.

Claims (10)

1. An oncology dispensing device, characterized in that it comprises a casing (1), an electric suction pump (2) is provided inside the casing (1), and the suction of the electric suction pump (2) is provided. The nozzle (2.1) is connected to the negative pressure joint (1.1) provided on the casing (1) through the negative pressure pipeline (6), and the exhaust nozzle (2.2) of the electric air suction pump (2) is connected to the air filter The air filter (3) is connected to the positive pressure joint (1.2) provided on the casing (1) through the positive pressure pipeline (7), and the electric air suction pump (2) It is also electrically connected to a power supply (8) arranged inside the casing (1); A vial groove (4) is recessed at one end of the top of the casing (1), and the notch of the vial groove (4) is flush with the top plane of the casing (1) and is hinged to each other through hinges, The groove bottom of the vial groove (4) is recessed inside the casing (1), and a micro-vibration device ( 5), described micro-vibration device (5) is hinged with described vial groove (4); A pharmaceutical bottle suspension rod (9) is fixed on the other end of the top of the casing (1), and a movable needle holder (9.1) is connected to the pharmaceutical bottle suspension rod (9); The casing (1) is further provided with a first switch (12) and a second switch (13). The input end of the first switch (12) is electrically connected to the power supply (8), and the output end is connected to the power supply (8). The electric suction pump (2) is electrically connected, the input end of the second switch (13) is electrically connected with the power supply (8), and the output end is electrically connected with the micro-vibration device (5). 2 . The medicine dispensing device for oncology according to claim 1 , wherein the micro vibration device ( 5 ) comprises a micro motor ( 5.1 ), an eccentric wheel ( 5. 2 ) and a movable link ( 5. 3 ), and the micro vibration device ( 5 ) The output shaft of the motor (5.1) is connected with the rotating shaft of the eccentric wheel (5.2), and the eccentric wheel (5.2) is hinged with the outer wall of the vial groove (4) through a movable connecting rod (5.3), and the The power supply (8) is electrically connected to the micro motor (5.1) of the micro vibration device (5), and the output end of the second switch (13) is corresponding to the micro motor (5.1) of the micro vibration device (5). electrical connection. 3. The medicine dispensing device for oncology according to claim 1, characterized in that it further comprises a conduit (10) and a ventilation tube (11), one end of the conduit (10) extending outside the housing (1) and connected to the The movable needle holder (9.1) is connected, and the other end extends inside the casing (1) and is connected with the vial groove (4); The ventilation pipe (11) is arranged outside the housing (1), and one end is connected to the movable needle holder (9.1), and the other end is connected to the negative pressure connector (1.1) or positive pressure connector (1.2) )connect. 4. The oncology dispensing device according to claim 3, characterized in that a first needle (10.1) is provided at both ends of the catheter (10), wherein a first needle (10.1) is fixed on the The movable needle holder (9.1) is connected to the end of the catheter (10) extending outside the casing (1), and the other first needle (10.1) is fixedly penetrated in the vial concave The groove bottom of the groove (4) is connected with one end of the conduit (10) extending inside the casing (1); One end of the ventilation pipe (11) is provided with a second needle (11.1), and the other end is provided with a ventilation pipe joint (11.2), and the length of the second needle (11.1) is greater than that of the first needle (10.1) It is fixed on the movable needle holder (9.1) and connected with one end of the ventilation pipe (11), and the ventilation pipe joint (11.2) is respectively connected with the other end of the ventilation pipe (11). One end and the negative pressure connector (1.1) or positive pressure connector (1.2) are connected. 5. The oncology dispensing device according to claim 4, characterized in that, a manual valve (11.3) is further provided on the ventilation pipe (11), and the air inlet of the negative pressure joint (1.1) is further provided with a manual valve (11.3). and the air outlet of the positive pressure joint (1.2) are provided with an air filter membrane, the air filter membrane is made of polypropylene non-woven material, and the pore size of the air filter membrane is 15-20 μm. 6. The oncology dispensing device according to any one of claims 1 to 5, wherein a pressure regulating valve is provided on both the negative pressure pipeline (6) and the positive pressure pipeline (7) (6.1). 7 . The medicine dispensing device for oncology according to claim 2 , wherein the micro motor ( 5.1 ) adopts a brushless DC motor with a model of B5665M. 8 . 8. The medicine dispensing device for oncology according to any one of claims 1 to 5, characterized in that, the electric suction pump (2) adopts a micro vacuum pump with a model of VCH1028. 9. The oncology dispensing device according to any one of claims 1 to 5, wherein the power supply (8) adopts a 12V or 24V DC power supply. 10. The oncology dispensing device according to claim 3, characterized in that, the catheter (10) and the ventilation tube (11) are both medical latex tubes.

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