WO2019196169A1

WO2019196169A1 - Finished drug product weighing device, weighing method and dispensing device

Info

Publication number: WO2019196169A1
Application number: PCT/CN2018/088373
Authority: WO
Inventors: 刘葆春; 吴建文; 姜守峰
Original assignee: 深圳市卫邦科技有限公司
Priority date: 2018-04-10
Filing date: 2018-05-25
Publication date: 2019-10-17
Also published as: CN108613724B; CN108613724A

Abstract

A finished drug product weighing device (20) used for a dispensing device (1), the finished drug product weighing device comprising a finished drug product conveying module (21) and a weighing module (22), the finished drug product conveying module (21) is used for acquiring a finished drug product after dispensing by means of the dispensing device (1) and conveying the finished drug product to the weighing module (22); and the weighing module (22) is used for detecting the weight of the finished drug product and feeding the detection result to the dispensing device (1). After the existing dispensing device (1) completes dispensing, the weighing module (22) checks the weight of the finished drug product and sends the checking result to the dispensing device (1), and the dispensing device (1) can thus perform further correction according to the weighing result, improving the weighing and checking efficiency of the existing dispensing device (1), reducing the finished drug product loss rate, improving the dispensing safety of the dispensing device (1). A finished drug product weighing method based on the finished drug product weighing device (20). A dispensing device (1) comprising the finished drug product weighing device (20).

Description

Finishing device for weighing finished products, weighing method and dispensing device

Technical field

The invention relates to the technical field of medical instruments, in particular to a weighing device for weighing finished products, a weighing method and a dispensing device.

Background technique

In the existing intravenous drug dispensing process, after the drug solution is injected into the solvent bag according to the predetermined dosage, it is necessary to check the quality of the solvent after the completion of the preparation. The calibration in the prior art requires that the solvent bag be manually taken out from the inside of the dispensing device and placed on a weighing balance for verification.

If the quality of the liquid medicine injected into the solvent bag is not checked, the dispensing process is not standardized, and the safety hazard is large. If the solvent bag is manually taken out from the dispensing device for check, the check efficiency is low, and the quality of the solvent in the process is incorrect, and it is impossible to put the dispensing device for secondary treatment, resulting in waste of the drug.

Therefore, the prior art has yet to be improved and developed.

Summary of the invention

In view of the above-mentioned deficiencies of the prior art, the object of the present invention is to provide a finished product weighing device, a weighing method and a dispensing device, which aim to solve the problem of injecting a liquid medicine into a solvent bag in the process of mixing intravenous drugs in the prior art. The quality check is low in efficiency.

The technical solution of the present invention is as follows:

A first aspect of the embodiments of the present invention provides a finished product weighing device, which is applied to a dispensing device, including a finished product delivery module and a weighing module.

The medicine product delivery module is configured to obtain a finished medicine product after dispensing the medicine dispensing device, and transmit the finished product to the weighing module;

The weighing module is configured to detect the weight of the finished product and feed back the detection result to the dispensing device.

Optionally, the medicine product delivery module comprises a clamp unit and a lifting unit,

The clamp unit is configured to clamp the finished product of the medicine and to ascend and descend with the lifting of the lifting unit;

The lifting unit is configured to drive the movement of the finished product held by the clamp unit.

Optionally, the clamp unit comprises a clamp and a clamp base;

The clamp base is configured to be connected to the lifting unit, and drive the clamp to rise and fall with the lifting and lowering of the lifting unit;

The clamp is used to hold the finished product, and the clamp is disengaged from the clamp when the clamp is lowered into contact with the weighing module.

Optionally, the clamp seat is provided with a pressing member for pressing the clamp after the weighing of the finished product is finished, and is in an open state during the weighing process, so that the clamp seat is Separated from the fixture.

Optionally, the clamp comprises a clamp head, a support rod and a base;

The clamp head is used for fixing the finished medicine product;

The support rod is configured to connect the clamp head and the base, and provide a support force for the clamp head;

The base is used for contacting the weighing module to weigh the finished product.

Optionally, the two sides of the clamp base are provided with protrusions, and the two sides of the clamp head are provided with a groove adapted to the protrusion, and the contact surface of the clamp head and the clamp base is upper Wide and narrow bevel.

A second aspect of the embodiments of the present invention provides a weighing method based on a finished product weighing device, which is applied to a dispensing device, and the method includes:

After the dispensing of the dispensing device, the finished product is produced;

The finished product delivery module obtains the finished product and transmits it to the weighing module;

The weighing module detects the weight of the finished product and feeds the test result back to the dispensing device.

Optionally, the medicine product delivery module includes a clamp unit and a lifting unit, and the clamp unit includes a clamp and a clamp base;

The finished product delivery module obtains the finished product of the medicine and transmits it to the weighing module, including:

The weighing module rotates from the initial position to the lower side of the clamp, the lifting unit descends, and the lower end of the clamp contacts the weighing module;

After the lifting unit continues to descend a predetermined distance, the clamp is disengaged from the clamp seat.

Optionally, the weighing module detects the weight of the finished product, including:

The weighing module begins to weigh and records the data;

After the lifting unit is raised by a predetermined distance, the clamp is separated from the weighing module;

The weighing module is rotated to the initial position and the weighing is finished.

A third aspect of the embodiments of the present invention provides a dispensing device, comprising the above-mentioned pharmaceutical finished product weighing device, further comprising a controller and a drug transfer module, wherein the controller is configured to obtain a drug transfer instruction by generating a drug transfer instruction by the detection result of the drug weighing device, The medicine transfer module is configured to transfer the finished medicine product according to the medicine transfer instruction.

Advantageous Effects: The present invention discloses a finished product weighing device, a weighing method and a dispensing device. The embodiment of the present invention can complete the finished product of the pharmaceutical product through the weighing module in the dispensing device after the dispensing of the existing dispensing device is completed. The weight is checked and the verification result is sent to the dispensing device, so that the dispensing device can be further corrected according to the weighing result, thereby improving the efficiency of the weighing and checking of the existing dispensing device and reducing the loss rate of the finished drug. Improve the safety of dispensing of dispensing equipment.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the structure of a dispensing apparatus according to a preferred embodiment of the present invention.

2 is a schematic view showing the structure of a dispensing apparatus according to a preferred embodiment of the present invention when weighing is completed.

Fig. 3 is a structural schematic view showing the initial state of a preferred embodiment of a pharmaceutical product weighing apparatus according to the present invention.

4 is a schematic view showing the structure of a preferred embodiment of a pharmaceutical product weighing apparatus according to the present invention when weighing.

FIG. 5 is a schematic structural view of a jig base when a pressing member is pressed according to a preferred embodiment of a pharmaceutical product weighing device according to the present invention.

Fig. 6 is a schematic view showing the structure of a jig of a preferred embodiment of a pharmaceutical product weighing device according to the present invention when the pressing member is opened.

Figure 7 is a schematic view showing the structure of a jig of a preferred embodiment of a pharmaceutical product weighing apparatus according to the present invention.

FIG. 8 is a schematic flow chart of a preferred embodiment of a weighing method for a finished product weighing device of the present invention.

detailed description

In order to make the objects, technical solutions and effects of the present invention more clear and clear, the present invention will be further described in detail below. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The existing dispensing device is one that can be dispensed automatically according to the doctor's prescription. Therefore, the dispensing device has a scanning module that can automatically scan the position of the medicine, and has a corresponding medicine processing module, such as a disinfection module, for disinfecting the medicine and the medicine before dispensing, and a medicine opening module for opening the medicine medicine. . The dispensing device also has a relatively sealed dispensing cavity and can control the dispensing environment of the dispensing cavity. However, in the existing dispensing equipment, if the liquid medicine is to be dispensed, after the liquid medicine is injected into the solvent bag, the dispensing equipment cannot check the quality of the solvent after the completion of the dispensing. The existing manual calibration has low efficiency and large drug loss.

In order to solve the above problems, an embodiment of the present invention provides a dispensing device. Referring to FIG. 1 and FIG. 2, as shown in FIG. 1 and FIG. 2, the dispensing device 1 includes a controller (not shown) and a drug transfer module. 10 and the finished product weighing device 20, the finished product weighing device is used for measuring the quality of the finished product after the dispensing of the dispensing device, and the measurement result is fed back to the controller, and the controller obtains the detection result of the drug weighing device. The drug transfer instruction, the drug transfer module is used to transfer the finished drug product according to the drug transfer instruction.

Specifically, if the finished product of the medicine is less than the predetermined quality, the corresponding finished product is added to the existing finished product through the drug transfer module, and the existing finished product is measured by the finished product weighing device, and the above steps are repeated until the drug is finished. The quality of the finished product is equal to the predetermined quality. The target amount in which the predetermined mass is the dispensing amount is previously stored in the dispensing device. If the quality of the finished product is more than the predetermined quality, the excess amount is transferred to the designated recovery position by the drug transfer module, and the measurement is again performed by the finished drug weighing device, and the above steps are repeated until the quality of the finished product is equal to the predetermined quality. . In the embodiment of the present invention, the finished product refers to a solvent after the preparation is completed, and the solvent is previously injected into the solvent bag through the dispensing device. In the following examples, a solvent can be used instead of the finished product.

Further, as shown in FIG. 3 and FIG. 4, the pharmaceutical finished product weighing device 20 includes a pharmaceutical product delivery module 21 and a weighing module 22, and the pharmaceutical product delivery module 21 is configured to obtain the finished pharmaceutical product 23 after dispensing the dispensing device, and transmit it to the pharmaceutical product. The weighing module 22 is used for detecting the weight of the finished product and feeding back the detection result to the dispensing device 1.

In the specific implementation, after the solvent is prepared by the dispensing device, the solvent bag is transferred to the weighing module with the solvent bag under the action of the drug delivery module, and the weighing module detects the quality of the solvent bag containing the solvent, and the weighing module The mass of the empty solvent bag containing no solvent is also detected in advance, and the mass of the solvent is calculated based on the results of the two times, and the quality of the detected solvent is fed back to the controller of the dispensing device, thereby providing the controller with the quality of the injected accurate solvent. Convenience.

The weighing module is a load cell, and the weighing sensor includes but is not limited to a photoelectric load cell, a hydraulic load cell, an electromagnetic force load cell, a capacitive load cell, a magnetic pole deformed load cell, and a vibrating type. Weighing sensor, gyro ritual load cell, resistance strain sensor. Preferably, a resistance strain sensor can be used, and the resistance strain type can be changed according to the resistance, and the measurement is rapid and accurate.

Further, the medicine product delivery module 21 includes a clamp unit 211 and a lifting unit 212. The clamp unit is used for clamping the finished medicine product and lifting and lowering with the lifting unit; the lifting unit is used to drive the movement of the medicine product held by the clamping unit. . Specifically, the clamp unit of the medicine product delivery module is used for clamping the solvent bag, and the solvent bag is lifted and lowered with the lifting and lowering of the lifting unit to facilitate contact and disengagement between the solvent bag and the weighing module. The lifting unit is raised or lowered under the command of the controller of the dispensing device.

Optionally, the clamp unit 211 includes a clamp 2111 and a clamp base 2112; the clamp base is used for connecting with the lifting unit, and the clamp is driven to rise and fall with the lifting unit; the clamp is used for clamping the finished product, and when the clamp is lowered to and weighed When the module is in contact, the clamp is disengaged from the clamp seat.

Specifically, the clamp and the clamp seat in the clamp unit are detachably connected, and when the lower end of the clamp is in contact with the weighing module after the lift unit is lowered by a predetermined distance. Since the contact portion of the clamp and the clamp seat is a slope, the clamp is separated from the clamp seat, and the weighing module starts to weigh. After the weighing is completed, the lifting unit starts to rise. After the predetermined distance is raised, the lower end of the clamp is separated from the weighing module, and the lifting device rises with the lifting unit, and the weighing ends.

As shown in FIG. 5 and FIG. 6 , optionally, the clamp seat 2112 is provided with a pressing member 2113 for pressing the clamp after the weighing of the finished product is finished, and is opened during the weighing process. Separate the clamp base from the clamp. The snap member is used to secure the solvent bag. Specifically, the pressing member is opened in an initial state, and when the solvent is finished, the pressing member presses the jig. When the solvent is weighed, the press member is returned to the open state.

Optionally, as shown in FIG. 7, the clamp 2111 includes a clamp head 2115, a support rod 2116 and a base 2117; the clamp head is used for fixing the finished medicine product; the support rod is used for connecting the clamp head and the base, and providing a support force for the clamp head; The base is used to contact the weighing module to weigh the finished product.

Specifically, the two sides of the clamp seat are provided with protrusions 2114. The two sides of the clamp head are provided with grooves 2118 adapted to the protrusions, and the contact faces of the clamp heads and the clamp bases are upper and lower narrow slopes. In the initial state, the projections of the clamp seat abut against the tops of the grooves on both sides of the clamp head, and the clamp holders support the clamp head loaded with the solvent bag. As the lifting unit descends, the base contacts the weighing module, and the lifting unit continues to descend. Since the contact surface of the clamp head and the clamp seat is a slope, when the clamp seat is lowered, the clamp head is no longer lowered, and the clamp seat is gradually protruded from the clamp head. The groove is disengaged. When the lifting unit is lowered to a predetermined distance, the clamp seat is completely separated from the clamp head. The weight on the weighing module is only the clamp head, the support rod, the base and the solvent bag, and the weighing module starts to weigh. After removing the weight of the pre-weighed clamp head, support rod and base, it is the mass of the solvent bag and the quality of the solvent bag is recorded.

When the weighing module is finished weighing, the lifting unit rises, and the fixture seat rises under the driving of the lifting unit. When the fixture seat rises by a predetermined distance, the protrusion of the fixture seat gradually enters the groove of the fixture head, and the fixture holder continues to rise. The protrusion of the clamp seat is again resisted at the top of the groove of the clamp head, the clamp seat is raised, and the clamp head is separated from the weighing module by the clamp seat, and the weighing ends.

The weighing module is preferably arranged as a rotatable weighing module, that is, the weighing module can be rotated in a horizontal plane, and when weighing is required, the weighing module automatically rotates under the clamp (weighing position), when it is not required to be called When it is heavy, it will automatically rotate to the initial position, and the initial position can be adjusted as needed, for example, at a position at an angle of 90 degrees to the weighing position, so that it is convenient to leave enough space for other operations.

Based on the above structure of the finished product weighing device, the solvent weighing principle is specifically as follows: the solvent bag is fixed on the fixture, the clamp is placed in the fixture seat; the weighing module is rotated directly below the clamp; the lifting unit is lowered; the clamp base is contacted and weighed. The module; the lifting unit continues to descend a predetermined distance; the fixture is separated from the fixture seat; the weighing module begins to weigh and records the data; the lifting unit rises, the fixture moves away from the weighing module; the weighing module rotates 90 degrees; the solvent is weighed. The predetermined distance is controlled by a servo motor in the dispensing device.

The embodiment of the present invention further provides a weighing method based on the above-mentioned pharmaceutical finished product weighing device, which is applied to a dispensing device, as shown in FIG. 8 , the method includes:

Step S100, after the dispensing of the dispensing device, the finished product is generated;

Step S200, the finished product delivery module obtains the finished product of the medicine, and transmits the finished product to the weighing module;

Step S300, the weighing module detects the weight of the finished product, and feeds the detection result to the dispensing device.

In the specific implementation, after the dispensing device injects the liquid into the solvent bag according to the predetermined metering, the solvent bag is transferred to the finished product delivery module, and the solvent bag is fixed with the finished product delivery module, and moves with the drug delivery module until the movement reaches the scale. At the heavy module, the weighing module detects the weight of the solvent bag and feeds the test result back to the controller of the dispensing device. The controller of the dispensing device compares the weighing result of the weighing module with the preset weight result, and increases or decreases the quality of the solvent bag according to the comparison result.

Further, wherein the weighing module is a load cell, and the weighing sensor includes but is not limited to a photoelectric load cell, a hydraulic load cell, an electromagnetic force load cell, a capacitive load cell, and a magnetic pole deformed load cell. , vibrating load cell, gyro ritual load cell, resistance strain sensor. Preferably, a resistance strain sensor can be used, and the resistance strain type can be changed according to the resistance, and the measurement is rapid and accurate.

Further, step S200 is specifically:

In the specific implementation, the weighing module rotates from the initial position to the lower side of the clamp, the lifting unit starts to descend, and the lower end of the clamp contacts the weighing module. Since the contact portion of the clamp and the clamp seat is a slope, the lifting unit continues to descend by a predetermined distance, and the fixture The fixture is disengaged from the fixture and the weigh module begins to weigh.

Further, step S300 is specifically:

The weighing module begins to weigh and records the data;

In the specific implementation, after the weighing is completed, the lifting unit starts to rise. After the predetermined distance is raised, the lower end of the clamp is separated from the weighing module, the lifting device rises with the lifting unit, and the weighing module moves to the initial position, and the weighing ends.

It is to be understood that the application of the present invention is not limited to the above-described examples, and those skilled in the art can make modifications and changes in accordance with the above description, all of which are within the scope of the appended claims.

Claims

A pharmaceutical finished product weighing device is applied to a dispensing device, characterized in that it comprises a finished product delivery module and a weighing module,

The medicine product delivery module is configured to obtain a finished medicine product after dispensing the medicine dispensing device, and transmit the finished product to the weighing module;

The weighing module is configured to detect the weight of the finished product and feed back the detection result to the dispensing device.
The pharmaceutical product weighing device according to claim 1, wherein the pharmaceutical product delivery module comprises a clamp unit and a lifting unit.

The clamp unit is configured to clamp the finished product of the medicine and to ascend and descend with the lifting of the lifting unit;

The lifting unit is configured to drive the movement of the finished product held by the clamp unit.
The pharmaceutical product weighing device according to claim 2, wherein the clamp unit comprises a clamp and a clamp base;

The clamp base is configured to be connected to the lifting unit, and drive the clamp to rise and fall with the lifting and lowering of the lifting unit;

The clamp is used to hold the finished product, and the clamp is disengaged from the clamp when the clamp is lowered into contact with the weighing module.
The pharmaceutical product weighing device according to claim 3, wherein the clamp base is provided with a pressing member for pressing the clamp after the weighing of the finished product is finished, and The weighing process is in an open state to separate the clamp base from the clamp.
The pharmaceutical product weighing device according to claim 4, wherein the jig comprises a jig head, a support rod and a base;

The clamp head is used for fixing the finished medicine product;

The support rod is configured to connect the clamp head and the base, and provide a support force for the clamp head;

The base is used for contacting the weighing module to weigh the finished product.
The pharmaceutical product weighing device according to claim 5, wherein the two sides of the clamp base are provided with protrusions, and the two sides of the clamp head are provided with grooves adapted to the protrusions. The contact surface of the jig head and the jig base is a slope that is wide and narrow.
A weighing method based on the finished product weighing device according to claim 1, which is applied to a dispensing device, characterized in that the method comprises:

After the dispensing of the dispensing device, the finished product is produced;

The finished product delivery module obtains the finished product and transmits it to the weighing module;

The weighing module detects the weight of the finished product and feeds the test result back to the dispensing device.
The method for weighing a finished product weighing device according to claim 7, wherein the pharmaceutical product delivery module comprises a clamp unit and a lifting unit, the clamp unit comprising a clamp and a clamp base;

The finished product delivery module obtains the finished product of the medicine and transmits it to the weighing module, including:

The weighing module rotates from the initial position to the lower side of the clamp, the lifting unit descends, and the lower end of the clamp contacts the weighing module;

After the lifting unit continues to descend a predetermined distance, the clamp is disengaged from the clamp seat.
The method for weighing a finished product weighing device according to claim 8, wherein the weighing module detects the weight of the finished product, comprising:

The weighing module begins to weigh and records the data;

After the lifting unit is raised by a predetermined distance, the clamp is separated from the weighing module;

The weighing module is rotated to the initial position and the weighing is finished.
A pharmaceutical dispensing device, comprising the pharmaceutical product weighing device according to any one of claims 1 to 6, further comprising a controller and a medicine transfer module, wherein the controller is configured to obtain a detection result of the medicine weighing device a medicine transfer instruction, wherein the medicine transfer module is configured to transfer the finished medicine product according to the medicine transfer instruction.