Medical instrument inventory management system and method based on Internet of Things

Abstract

The invention discloses a medical instrument inventory management system and method based on the Internet of Things, and relates to the technical field of medical instrument inventory management, and the system comprises a plurality of Internet of Things label modules, a plurality of inventory date active response modules, an Internet of Things wireless communication unit, and an inventory management server based on a computer. The inventory date active response module of the inventory position can realize data interaction with the inventory management server based on the Internet of Things wireless communication unit, can perform active warning during delivery, and can help workers to quickly position medical instruments needing delivery in a large warehouse; in addition, the inventory date active response module can also actively display the inventory health state in the daily inventory process, warehouse management personnel can visually understand the inventory time range of the corresponding medical apparatus based on the prompt of the inventory date active response module during inventory checking, and timely disposal or preferential delivery and the like can be carried out. The problem of information islands and the problem of long-term overstock of medical instruments are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical device inventory management, and in particular to a medical device inventory management system and method based on the Internet of Things. Background Art

[0002] Medical device inventory management usually refers to the inventory management of medical devices by medical device manufacturers or medical institutions such as hospitals;

[0003] Currently, medical device inventory management still relies on manual operations, which are inefficient and prone to errors;

[0004] The phenomenon of information silos is serious and inventory information communication is poor, resulting in the inability to share inventory management data in real time.

[0005] The inventory early warning mechanism is imperfect, and existing inventory management technology makes it difficult to achieve real-time monitoring of inventory levels, which can easily lead to inventory backlogs or shortages.

[0006] Due to insufficient data analysis capabilities, existing inventory management technologies cannot effectively analyze massive amounts of data and cannot provide strong support for decision makers. Summary of the invention

[0007] In order to solve the above technical problems of medical device inventory management, the present invention provides a medical device inventory management system and method based on the Internet of Things. The following technical solutions are adopted:

[0008] The medical device inventory management system based on the Internet of Things includes a plurality of Internet of Things label modules, a plurality of inventory date active response modules, an Internet of Things wireless communication unit and an inventory management server based on a computer, wherein the Internet of Things label modules are attached to the outer surface of the outer packaging of the inventory medical devices, the attached surface faces upward and is unobstructed, the plurality of inventory date active response modules are respectively installed at a plurality of inventory positions on the shelf, the Internet of Things wireless communication unit is arranged on the roof of the warehouse, and is used to provide a wireless Internet of Things in the warehouse area, and the plurality of Internet of Things label modules and the plurality of inventory date active response modules are respectively wirelessly connected to the inventory management server;

[0009] When medical devices are put into storage, the storage time data, label data and inventory location data of the medical devices are written on the IoT tag module;

[0010] When medical devices are shipped out of the warehouse, the inventory management server selects the medical device corresponding to the IoT tag module with the longest inventory time for active responsive shipping operations based on the inventory time data and the medical devices with the same tag data;

[0011] The active response outbound operation includes the following steps: the inventory management server first compares the storage time data of all medical devices corresponding to the same label data, selects the inventory medical devices with the longest inventory time, retrieves the inventory location data, and communicates the outbound signal with the inventory date active response module corresponding to the inventory location data through the Internet of Things wireless communication unit. The inventory date active response module issues an active outbound prompt, and the staff carries out the outbound according to the prompted inventory location.

[0012] By adopting the above technical solutions, the IoT tag module can be an IoT electronic tag based on radio frequency technology, Bluetooth technology, ZigBee wireless technology, etc., which mainly identifies the information of medical devices in stock to facilitate warehousing, inventory and outbound management. The IoT wireless communication unit can be wirelessly networked based on 4G / 5G technology, and its main function is to provide a wireless communication network in the warehouse; the function of the inventory management server is to perform warehousing management, inventory management and outbound management;

[0013] The inventory date active response module corresponding to the inventory location can realize data interaction with the inventory management server based on the wireless communication unit of the Internet of Things, and can actively warn when the goods are shipped out. The warning can be in the form of light or buzzer, etc., which can help the staff quickly locate the medical devices that need to be shipped out in a large warehouse;

[0014] The inventory date active response module can also actively display the inventory health status during the daily inventory process. When warehouse managers conduct inventory counts, they can intuitively understand the inventory time range of the corresponding medical devices based on the prompts of the inventory date active response module, and make timely disposal or priority delivery, etc., to solve the problem of information islands and the long-term backlog of medical devices.

[0015] Optionally, the Internet of Things tag module includes a mounting shell, a radio frequency module, a data storage device and a battery, wherein the radio frequency module, the data storage device and the battery are encapsulated in the mounting shell. When the radio frequency module is wirelessly connected to the Internet of Things wireless communication unit through the mounting shell, the data storage device is communicatively connected to the radio frequency module, and the battery is used to power the Internet of Things tag module.

[0016] By adopting the above technical solution, the radio frequency module of the Internet of Things tag module can be based on RFID technology. When entering the warehouse, the radio frequency module can interact with the inventory management server for warehouse-related data and store it in the data storage device. The power supply method uses a replaceable battery, which can be repeatedly erased and written.

[0017] Optionally, the inventory date active response module includes a magnetic shell, an Internet of Things communication module, a command cache, a control chip and an indicator light. The magnetic shell is used to be installed in the inventory position of the shelf, the Internet of Things communication module, the command cache and the control chip are encapsulated in the magnetic shell, the indicator light is installed on the outer surface of the magnetic shell, the Internet of Things communication module is wirelessly connected to the inventory management server through the Internet of Things wireless communication unit, the command cache is communicatively connected to the Internet of Things communication module, and the control chip is communicatively connected to the command cache, and the execution action of the indicator light is controlled based on the instructions stored in the command cache.

[0018] Optionally, the inventory date active response module also includes a buzzer, which is installed in the magnetic housing, and the control chip controls the execution action of the buzzer based on the instructions stored in the instruction cache.

[0019] By adopting the above technical solution, the function of the inventory date active response module is to provide relevant prompts when leaving the warehouse, or to display the inventory health during daily inventory counting. First, a magnetic shell is used, which can be easily adsorbed on the inventory position of the warehouse shelf. The internal IoT communication module can wirelessly communicate with the IoT wireless communication unit to exchange data. The instruction buffer can store the interactive instructions, and the control chip calls the execution action of the instruction control indicator light. When leaving the warehouse, a certain color can be long lit to provide a reminder for leaving the warehouse. At the same time, the buzzer can be controlled to buzz to remind, so that the staff can locate the location that needs to be shipped out more quickly.

[0020] During daily inventory counts, the inventory date active response module can also display the inventory health status with different color pulses based on the interactive inventory analysis results, allowing managers to understand the inventory status of medical devices more intuitively.

[0021] Optionally, the Internet of Things wireless communication unit includes multiple Internet of Things relay communication terminals, and the multiple Internet of Things relay communication terminals are evenly distributed and installed on the roof of the warehouse in a grid shape.

[0022] Optionally, the Internet of Things relay communication terminal includes a terminal shell, an Internet of Things communication relay module and a long-range radio frequency reader / writer, the Internet of Things communication relay module and the long-range radio frequency reader / writer are encapsulated in the terminal shell, the terminal shell is installed on the roof of the warehouse, the Internet of Things relay communication terminal draws power from a socket reserved on the roof of the warehouse, and multiple Internet of Things relay communication terminals and Internet of Things communication relay modules form a wireless communication ad hoc network and are wirelessly connected to the inventory management server.

[0023] Optionally, when the terminal housing is installed, the read / write radio frequency head of the long-distance radio frequency reader / writer is vertically facing downward, and is used for radio frequency wireless communication to read and write data with the Internet of Things tag module within the coverage area.

[0024] By adopting the above technical solution, the Internet of Things wireless communication unit can be wirelessly networked based on 4G / 5G technology. Its main function is to provide a wireless communication network in the warehouse. At the same time, a long-distance radio frequency reader is added. While providing a wireless communication network, it can also perform radio frequency reading and writing operations within a range of more than ten meters. It can perform directional reading and writing operations on the Internet of Things tag module under the Internet of Things relay communication terminal, and can add tag data or other note data in the subsequent warehouse management process. It is also possible to eliminate the need to take the Internet of Things tag module pasted on the outer packaging of the medical device to the inventory management server for information erasure when leaving the warehouse. The side of the medical device outer packaging with the Internet of Things tag module pasted can be directly facing the nearest Internet of Things relay communication terminal. At this time, if it is determined that the Internet of Things tag module is in the outbound state, the long-distance radio frequency reader can directly erase the data of the Internet of Things tag module, and the staff can reuse it after removing the Internet of Things tag module.

[0025] Optionally, the inventory management server includes a management-end wireless communication module, a management computer and a management-end radio frequency reader / writer. The management computer is wirelessly connected to the Internet of Things wireless communication unit through the management-end wireless communication module, and the management-end radio frequency reader / writer is communicatively connected to the management computer for writing data to the Internet of Things tag module when entering the warehouse.

[0026] By adopting the above technical solution, the role of the inventory management server is to enter the warehouse data, manage the inventory data and generate the warehouse data. It is also necessary to write the tag data through the management-side radio frequency reader when entering the warehouse.

[0027] The medical device inventory management method based on the Internet of Things adopts the medical device inventory management system based on the Internet of Things to manage the inventory of medical devices in the warehouse, including the following steps:

[0028] Step 1: Medical devices are put into storage. The management personnel enter the storage time data and label data of the medical devices on the management computer, and generate the inventory location data according to the current inventory location status. The storage time data, label data and inventory location data are written into the Internet of Things label module through the management-end radio frequency reader. The staff attaches the Internet of Things label module to the outer surface of the outer packaging of the medical devices.

[0029] The staff transports the medical devices to the inventory location corresponding to the inventory location data for storage;

[0030] Step 2, medical device inventory analysis, at set intervals, the management computer classifies the medical devices in stock according to the label data, and classifies the inventory period according to the storage time data based on the classification results. The inventory period classification includes healthy inventory level, sub-healthy inventory level and unhealthy inventory level. The management computer exchanges the inventory unhealthy level signal with the inventory date active response module of the corresponding inventory location through the management end wireless communication module and the Internet of Things wireless communication unit. The control chip of the inventory date active response module controls the indicator light to pulse red warning;

[0031] Step 3: Medical devices are shipped out. The manager enters the label data of the medical devices for which shipment is requested on the management computer. Based on the latest inventory period classification results, if there are sub-healthy or unhealthy inventory levels, the management computer selects the medical devices with the longest inventory time for priority shipment. The management computer executes the shipment procedure. The shipment procedure is that the management computer exchanges shipment signals with the inventory date active response module of the corresponding inventory location based on the wireless network. The control chip indicator of the inventory date active response module is green and long, and the buzzer intermittently beeps to remind the location. The manager performs shipment according to the prompt.

[0032] If there is no sub-healthy level of inventory or unhealthy level of inventory, the medical device inventory location data is randomly generated using a random number generation algorithm, and the management computer executes the outbound procedure based on the inventory location data.

[0033] Optionally, the method of inventory period classification is:

[0034] The inventory healthy time range threshold, inventory sub-healthy time range threshold and inventory unhealthy time threshold are set respectively, and the difference between the current time and the warehousing time is used to calculate whether it is within the inventory healthy time range threshold and the inventory sub-healthy time range threshold. If it is within, it is judged to be in the inventory healthy level or the inventory sub-healthy level; if it is judged to exceed the inventory unhealthy time threshold, it is judged to be in the inventory unhealthy level.

[0035] By adopting the above technical solution, the inventory level can be divided into healthy inventory level, sub-healthy inventory level and unhealthy inventory level according to the warehousing time. The following method can be used and the corresponding core formula can be set. Here we assume that there is a parameter called "inventory age", which represents the time span from the entry of the product to the current time.

[0036] First, the following parameters need to be determined:

[0037] The time range threshold of the inventory health level, that is, the inventory age within this range is considered healthy.

[0038] Inventory sub-health time range threshold, inventory age between this value and T healthy is considered sub-healthy.

[0039] Inventory unhealthy time threshold: Inventory with an age greater than this value is considered unhealthy.

[0040] Inventory age = current time - storage time;

[0041] In actual applications, the specific values ​​of healthy inventory level, sub-healthy inventory and unhealthy inventory need to be set based on factors such as the characteristics of medical devices, product characteristics, and inventory management strategies.

[0042] In summary, the present invention includes at least one of the following beneficial technical effects:

[0043] The present invention can provide a medical device inventory management system and method based on the Internet of Things. The inventory date active response module of the inventory location can realize data interaction with the inventory management server based on the Internet of Things wireless communication unit, and can actively warn when leaving the warehouse, which can help staff quickly locate medical devices that need to be left the warehouse in a larger warehouse; the inventory date active response module can also actively display the inventory health status during daily inventory. When performing inventory counting, warehouse managers can intuitively understand the inventory time range of the corresponding medical devices based on the prompts of the inventory date active response module, and make timely disposal or give priority to leaving the warehouse, etc., thereby solving the problem of information islands and the problem of long-term backlog of medical devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 It is a schematic diagram of component communication connection of the medical device inventory management system based on the Internet of Things of the present invention;

[0045] Figure 2 It is a schematic diagram of the connection principle of the Internet of Things tag module components of the medical device inventory management system based on the Internet of Things of the present invention;

[0046] Figure 3 It is a schematic diagram of the connection principle of the inventory date active response module components of the medical device inventory management system based on the Internet of Things of the present invention;

[0047] Figure 4 It is a schematic diagram of the connection principle of the components of the Internet of Things wireless communication unit of the medical device inventory management system based on the Internet of Things of the present invention.

[0048] Description of the drawings: 1. Internet of Things tag module; 11. Mounting shell; 12. Radio frequency module; 13. Data storage device; 14. Battery; 2. Inventory date active response module; 21. Magnetic shell; 22. Internet of Things communication module; 23. Instruction cache; 24. Control chip; 25. Indicator light; 26. Buzzer; 3. Internet of Things wireless communication unit; 31. Terminal shell; 32. Internet of Things communication relay module; 33. Long-distance radio frequency reader; 4. Inventory management server; 41. Management end wireless communication module; 42. Management computer; 43. Management end radio frequency reader; 100. Outer packaging. DETAILED DESCRIPTION

[0049] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0050] The embodiment of the present invention discloses a medical device inventory management system and method based on the Internet of Things.

[0051] Reference Figure 1-Figure 4 , a medical device inventory management system based on the Internet of Things, comprising a plurality of Internet of Things tag modules 1, a plurality of inventory date active response modules 2, an Internet of Things wireless communication unit 3 and a computer-based inventory management server 4, wherein the Internet of Things tag module 1 is attached to the outer surface of the outer packaging 100 of the inventory medical device, the attached surface is facing upward and unobstructed, the plurality of inventory date active response modules 2 are respectively installed at a plurality of inventory positions of the shelf, the Internet of Things wireless communication unit 3 is arranged on the roof of the warehouse, and is used to provide a wireless Internet of Things in the warehouse area, and the plurality of Internet of Things tag modules 1 and the plurality of inventory date active response modules 2 are respectively connected to the inventory management server 4 by wireless communication;

[0052] When medical devices are put into storage, the storage time data, label data and inventory location data of the medical devices are written on the IoT label module 1;

[0053] When medical devices are shipped out of the warehouse, the inventory management server 4 selects the medical device corresponding to the IoT tag module 1 with the longest inventory time for active responsive shipping operations based on the inventory time data and the medical devices with the same tag data;

[0054] The active response outbound operation includes the following steps: the inventory management server 4 first compares the storage time data of all medical devices corresponding to the same label data, selects the inventory medical devices with the longest inventory time, retrieves the inventory location data, and communicates the outbound signal with the inventory date active response module 2 corresponding to the inventory location data through the Internet of Things wireless communication unit 3. The inventory date active response module 2 issues an active outbound prompt, and the staff performs outbound according to the prompted inventory location.

[0055] The Internet of Things tag module 1 can be an Internet of Things electronic tag based on radio frequency technology, Bluetooth technology, ZigBee wireless technology, etc., and its main function is to identify the information of the medical devices in stock, so as to facilitate the management of warehousing, inventory and outbound delivery. The Internet of Things wireless communication unit 3 can be wirelessly networked based on 4G / 5G technology, and its main function is to provide a wireless communication network in the warehouse; the function of the inventory management server 4 is to perform warehousing management, inventory management and outbound delivery management;

[0056] The inventory date active response module 2 corresponding to the inventory location can realize data interaction with the inventory management server 4 based on the Internet of Things wireless communication unit 3, and can actively warn when leaving the warehouse. The warning can be in the form of light or buzzer, etc., which can help the staff to quickly locate the medical equipment that needs to be shipped out in a larger warehouse;

[0057] The inventory date active response module 2 can also actively display the inventory health status during the daily inventory process. When conducting inventory counts, warehouse managers can intuitively understand the inventory time range of the corresponding medical devices based on the prompts of the inventory date active response module 2, and make timely disposal or priority delivery, etc., to solve the problem of information islands and the problem of long-term backlog of medical devices.

[0058] The Internet of Things tag module 1 includes a mounting shell 11, a radio frequency module 12, a data storage device 13 and a battery 14. The radio frequency module 12, the data storage device 13 and the battery 14 are encapsulated in the mounting shell 11. When the radio frequency module 12 is wirelessly connected to the Internet of Things wireless communication unit 3 through the mounting shell 11, the data storage device 13 is communicatively connected to the radio frequency module 12, and the battery 14 is used to power the Internet of Things tag module 1.

[0059] The radio frequency module 12 of the Internet of Things tag module 1 can be based on RFID technology. When entering the warehouse, the radio frequency module 12 can interact with the inventory management server 4 for warehouse-related data and store the data storage 13. The power supply method adopts a replaceable battery 14, which can be repeatedly erased and written.

[0060] The inventory date active response module 2 includes a magnetic shell 21, an Internet of Things communication module 22, an instruction cache 23, a control chip 24 and an indicator light 25. The magnetic shell 21 is used to be installed in the inventory position of the shelf. The Internet of Things communication module 22, the instruction cache 23 and the control chip 24 are encapsulated in the magnetic shell 21. The indicator light 25 is installed on the outer surface of the magnetic shell 21. The Internet of Things communication module 22 is wirelessly connected to the inventory management server 4 through the Internet of Things wireless communication unit 3. The instruction cache 23 is communicatively connected to the Internet of Things communication module 22. The control chip 24 is communicatively connected to the instruction cache 23. The execution action of the indicator light 25 is controlled based on the instructions stored in the instruction cache 23.

[0061] The inventory date active response module 2 further includes a buzzer 26 , which is installed in the magnetic housing 21 . The control chip 24 controls the execution of the buzzer 26 based on the instructions stored in the instruction buffer 23 .

[0062] The function of the inventory date active response module 2 is to provide relevant prompts when leaving the warehouse, or to display the inventory health during daily inventory counting. First, a magnetic shell 21 is used, which can be easily adsorbed on the inventory position of the warehouse shelf. The internal Internet of Things communication module 22 can wirelessly exchange data with the Internet of Things wireless communication unit 3, and the instruction buffer 23 can store interactive instructions. The control chip 24 calls the execution action of the instruction control indicator light 25, which can light up a certain color for a long time to give a reminder when leaving the warehouse, and can also control the buzzer 26 to buzz to remind, so that the staff can locate the location that needs to be shipped out more quickly;

[0063] During daily inventory counts, the inventory date active response module 2 can also display the inventory health status with different color pulses based on the interactive inventory analysis results, so that managers can understand the inventory status of medical devices more intuitively.

[0064] The Internet of Things wireless communication unit 3 includes a plurality of Internet of Things relay communication terminals, and the plurality of Internet of Things relay communication terminals are evenly distributed and installed on the roof of the warehouse in a grid shape.

[0065] The Internet of Things relay communication terminal includes a terminal shell 31, an Internet of Things communication relay module 32 and a long-distance radio frequency reader 33. The Internet of Things communication relay module 32 and the long-distance radio frequency reader 33 are encapsulated in the terminal shell 31. The terminal shell 31 is installed on the roof of the warehouse. The Internet of Things relay communication terminal draws power from the socket reserved on the roof of the warehouse. Multiple Internet of Things relay communication terminals and Internet of Things communication relay modules 32 form a wireless communication ad hoc network and are wirelessly connected to the inventory management server 4.

[0066] When the terminal housing 31 is installed, the read / write radio frequency head of the long-distance radio frequency reader / writer 33 is vertically facing downward, and is used for radio frequency wireless communication to read and write data with the Internet of Things tag module 1 within the coverage range.

[0067] The Internet of Things wireless communication unit 3 can be wirelessly networked based on 4G / 5G technology. Its main function is to provide a wireless communication network in the warehouse. At the same time, a long-distance radio frequency reader / writer 33 is added. While providing a wireless communication network, it can also perform radio frequency reading and writing operations within a range of more than ten meters. It can perform directional reading and writing operations on the Internet of Things tag module 1 below the Internet of Things relay communication terminal, and can add tag data or other note data in the subsequent warehouse management process. It is also possible to take the Internet of Things tag module 1 pasted on the outer packaging 100 of the medical device to the inventory management server 4 for information erasure when leaving the warehouse. The side of the medical device outer packaging 100 on which the Internet of Things tag module 1 is pasted can be directly facing the nearest Internet of Things relay communication terminal. At this time, if it is determined that the Internet of Things tag module 1 is in the outbound state, the long-distance radio frequency reader / writer 33 can directly erase the data of the Internet of Things tag module 1, and the staff can reuse it after removing the Internet of Things tag module 1.

[0068] The inventory management server 4 includes a management-end wireless communication module 41, a management computer 42 and a management-end radio frequency reader 43. The management computer 42 is wirelessly connected to the Internet of Things wireless communication unit 3 through the management-end wireless communication module 41, and the management-end radio frequency reader 43 is communicatively connected to the management computer 42 for writing data to the Internet of Things tag module 1 when entering the warehouse.

[0069] The function of the inventory management server 4 is to input warehouse data, manage inventory data and generate warehouse data. It is also necessary to write tag data through the management-end radio frequency reader 43 when entering the warehouse.

[0070] The medical device inventory management method based on the Internet of Things adopts the medical device inventory management system based on the Internet of Things to manage the inventory of medical devices in the warehouse, including the following steps:

[0071] Step 1: Medical devices are put into storage. The manager enters the storage time data and label data of the medical devices on the management computer 42, generates inventory location data according to the current inventory location status, and writes the storage time data, label data and inventory location data into the Internet of Things label module 1 through the management-end radio frequency reader 43. The staff attaches the Internet of Things label module 1 to the outer surface of the medical device outer packaging 100;

[0072] The staff transports the medical devices to the inventory location corresponding to the inventory location data for storage;

[0073] Step 2, medical device inventory analysis, at set intervals, the management computer 42 classifies the medical devices in stock according to the label data, and classifies the inventory period according to the storage time data based on the classification results. The inventory period classification includes healthy inventory level, sub-healthy inventory level and unhealthy inventory level. The management computer 42 exchanges the inventory unhealthy level signal with the inventory date active response module 2 of the corresponding inventory position through the management end wireless communication module 41 and the Internet of Things wireless communication unit 3, and the control chip 24 of the inventory date active response module 2 controls the indicator light 25 to pulse red warning;

[0074] Step 3, medical devices are shipped out. The manager enters the label data of the medical devices requested to be shipped out on the management computer 42. Based on the latest inventory period classification results, if there is a sub-healthy inventory or an unhealthy inventory, the management computer 42 selects the medical devices with the longest inventory time for priority shipment. The management computer 42 executes the shipment procedure. The shipment procedure is that the management computer 42 exchanges the shipment signal with the inventory date active response module 2 of the corresponding inventory position based on the wireless network. The indicator light 25 of the control chip 24 of the inventory date active response module 2 is long green, and the buzzer 26 intermittently buzzes to remind the location. The manager ships out according to the prompt.

[0075] If there is no sub-healthy inventory level or unhealthy inventory level, the medical device inventory location data is randomly generated using a random number generation algorithm, and the management computer 42 executes the outbound procedure based on the inventory location data.

[0076] The method of inventory period classification is:

[0077] The inventory healthy time range threshold, inventory sub-healthy time range threshold and inventory unhealthy time threshold are set respectively, and the difference between the current time and the warehousing time is used to calculate whether it is within the inventory healthy time range threshold and the inventory sub-healthy time range threshold. If it is within, it is judged to be in the inventory healthy level or the inventory sub-healthy level; if it is judged to exceed the inventory unhealthy time threshold, it is judged to be in the inventory unhealthy level.

[0078] The following method can be used to classify the inventory level into healthy inventory level, sub-healthy inventory level and unhealthy inventory level according to the time of entry into the warehouse, and the corresponding core formula can be set. Here we assume that there is a parameter called "inventory age", which represents the time span from the entry of the goods into the warehouse to the current time.

[0079] First, the following parameters need to be determined:

[0080] The time range threshold of the inventory health level, that is, the inventory age within this range is considered healthy.

[0081] Inventory sub-health time range threshold, inventory age between this value and T healthy is considered sub-healthy.

[0082] Inventory unhealthy time threshold: Inventory with an age greater than this value is considered unhealthy.

[0083] Inventory age = current time - storage time;

[0084] In actual applications, the specific values ​​of healthy inventory level, sub-healthy inventory and unhealthy inventory need to be set based on factors such as the characteristics of medical devices, product characteristics, and inventory management strategies.

[0085] The following specific examples are used to illustrate the implementation principle of the medical device inventory management system and method based on the Internet of Things:

[0086] When a medical device (disposable syringe) enters the storage, the manager enters the storage time data and label data of the medical device on the management computer 42, generates the inventory location data according to the current inventory location status, and writes the storage time data, label data and inventory location data into the Internet of Things label module 1 through the management-end radio frequency reader 43. The staff attaches the Internet of Things label module 1 to the outer surface of the medical device outer packaging 100;

[0087] The staff transports the medical devices to the inventory location corresponding to the inventory location data for storage;

[0088] Medical device inventory analysis: One year later, the management computer 42 classified the medical devices in stock according to the label data (disposable syringes) and found that there were two records of disposable syringes entering the warehouse, one 12 months ago and the other 16 months ago. The health classification thresholds of disposable syringes are as follows:

[0089] The threshold for healthy inventory time range is 0-6 months (excluding 6 months), the threshold for sub-healthy inventory time range is 6 to 15 months (including 6 months and 15 months), and the threshold for unhealthy inventory time range is more than 15 months;

[0090] Therefore, disposable syringes that were put into storage 16 months ago are judged as unhealthy inventory, and those that were put into storage 12 months ago are judged as sub-healthy inventory;

[0091] The management computer 42 exchanges the inventory unhealthy level signal with the inventory date active response module 2 of the corresponding inventory location through the management end wireless communication module 41 and the Internet of Things wireless communication unit 3, and the control chip 24 of the inventory date active response module 2 controls the indicator light 25 to pulse red warning;

[0092] One day, a box of disposable syringes needs to be shipped out. The manager enters the label data of the disposable syringes to be shipped out on the management computer 42. The management computer 42 determines that there is an unhealthy inventory level based on the latest inventory period classification result, and selects the medical devices with the longest inventory time for priority shipment. The management computer 42 executes the shipment procedure; the shipment procedure is that the management computer 42 exchanges the shipment signal with the inventory date active response module 2 of the corresponding inventory position based on the wireless network, and the indicator light 25 of the control chip 24 of the inventory date active response module 2 is green and long, and the buzzer 26 intermittently buzzes to remind the location, and the manager performs shipment according to the prompt;

[0093] The staff can quickly issue the products from the warehouse according to the instructions, avoiding long-term backlog of unhealthy disposable syringes.

[0094] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The medical device inventory management system based on the Internet of Things is characterized by: The system comprises a plurality of Internet of Things tag modules (1), a plurality of inventory date active response modules (2), an Internet of Things wireless communication unit (3) and a computer-based inventory management server (4), wherein the Internet of Things tag modules (1) are attached to the outer surface of the outer packaging (100) of the inventory medical devices, with the attached surface facing upward and without obstruction, the plurality of inventory date active response modules (2) are respectively installed at a plurality of inventory positions on the shelf, the Internet of Things wireless communication unit (3) is arranged on the roof of the warehouse, and is used to provide a wireless Internet of Things in the warehouse area, and the plurality of Internet of Things tag modules (1) and the plurality of inventory date active response modules (2) are respectively connected to the inventory management server (4) by wireless communication; When a medical device is put into storage, the storage time data, label data and inventory location data of the medical device are written into the IoT label module (1); When medical devices are shipped out of the warehouse, the inventory management server (4) selects the medical device corresponding to the IoT tag module (1) with the longest inventory time according to the inventory time data and the medical devices with the same tag data to perform an active response shipping operation; The active response outbound operation includes the following steps: the inventory management server (4) first compares the storage time data of all medical devices corresponding to the same tag data, selects the inventory medical device with the longest inventory time, retrieves the inventory location data, and communicates the outbound signal with the inventory date active response module (2) corresponding to the inventory location data through the Internet of Things wireless communication unit (3), the inventory date active response module (2) issues an active outbound prompt, and the staff issues the outbound according to the prompted inventory location.

2. The medical device inventory management system based on the Internet of Things according to claim 1 is characterized in that: The Internet of Things tag module (1) comprises a mounting housing (11), a radio frequency module (12), a data storage device (13) and a battery (14); the radio frequency module (12), the data storage device (13) and the battery (14) are encapsulated in the mounting housing (11); when the radio frequency module (12) is wirelessly connected to an Internet of Things wireless communication unit (3) through the mounting housing (11), the data storage device (13) is communicatively connected to the radio frequency module (12); and the battery (14) is used to supply power to the Internet of Things tag module (1).

3. The medical device inventory management system based on the Internet of Things according to claim 2 is characterized in that: The inventory date active response module (2) comprises a magnetic housing (21), an Internet of Things communication module (22), an instruction buffer (23), a control chip (24) and an indicator light (25); the magnetic housing (21) is used to be installed at an inventory position of a shelf; the Internet of Things communication module (22), the instruction buffer (23) and the control chip (24) are encapsulated in the magnetic housing (21); the indicator light (25) is installed on the outer surface of the magnetic housing (21); the Internet of Things communication module (22) is wirelessly connected to an inventory management server (4) through an Internet of Things wireless communication unit (3); the instruction buffer (23) is communicatively connected to the Internet of Things communication module (22); the control chip (24) is communicatively connected to the instruction buffer (23); and the execution action of the indicator light (25) is controlled based on the instruction stored in the instruction buffer (23).

4. The medical device inventory management system based on the Internet of Things according to claim 3 is characterized in that: The inventory date active response module (2) also includes a buzzer (26), which is installed in the magnetic housing (21). The control chip (24) controls the execution action of the buzzer (26) based on the instructions stored in the instruction buffer (23).

5. The medical device inventory management system based on the Internet of Things according to claim 4 is characterized in that: The Internet of Things wireless communication unit (3) comprises a plurality of Internet of Things relay communication terminals, and the plurality of Internet of Things relay communication terminals are evenly distributed and installed on the roof of the warehouse in a grid shape.

6. The medical device inventory management system based on the Internet of Things according to claim 5 is characterized in that: The Internet of Things relay communication terminal comprises a terminal housing (31), an Internet of Things communication relay module (32) and a long-distance radio frequency reader (33); the Internet of Things communication relay module (32) and the long-distance radio frequency reader (33) are encapsulated in the terminal housing (31); the terminal housing (31) is installed on the roof of a warehouse; the Internet of Things relay communication terminal draws power from a socket reserved on the roof of the warehouse; a plurality of Internet of Things relay communication terminals and Internet of Things communication relay modules (32) form a wireless communication ad hoc network and are wirelessly connected to an inventory management server (4).

7. The medical device inventory management system based on the Internet of Things according to claim 6 is characterized in that: When the terminal housing (31) is installed, the read / write radio frequency head of the long-distance radio frequency reader / writer (33) is vertically facing downwards, and is used for radio frequency wireless communication with the Internet of Things tag module (1) within the coverage area to read and write data.

8. The medical device inventory management system based on the Internet of Things according to claim 7 is characterized in that: The inventory management server (4) comprises a management-end wireless communication module (41), a management computer (42) and a management-end radio frequency reader (43). The management computer (42) is wirelessly connected to an Internet of Things wireless communication unit (3) via the management-end wireless communication module (41), and the management-end radio frequency reader (43) is communicatively connected to the management computer (42) for writing data to the Internet of Things tag module (1) when entering the warehouse.

9. A medical device inventory management method based on the Internet of Things, characterized in that: The medical device inventory management system based on the Internet of Things as described in claim 8 is used to manage the inventory of medical devices in the warehouse, comprising the following steps: Step 1: Medical devices are put into storage. The management personnel enter the storage time data and label data of the medical devices on the management computer (42), and generate the inventory location data according to the current inventory location status. The storage time data, label data and inventory location data are written into the Internet of Things label module (1) through the management end radio frequency reader (43). The staff members attach the Internet of Things label module (1) to the outer surface of the outer packaging (100) of the medical devices. The staff transports the medical devices to the inventory location corresponding to the inventory location data for storage; Step 2, medical device inventory analysis, at set intervals, the management computer (42) classifies the medical devices in stock according to the label data, and classifies the inventory period according to the storage time data based on the classification results, and the inventory period classification includes the inventory healthy level, the inventory sub-healthy level and the inventory unhealthy level. The management computer (42) exchanges the inventory unhealthy level signal with the inventory date active response module (2) of the corresponding inventory position through the management end wireless communication module (41) and the Internet of Things wireless communication unit (3), and the control chip (24) of the inventory date active response module (2) controls the indicator light (25) to pulse red warning; Step 3, medical devices are shipped out of the warehouse. The manager enters the label data of the medical devices requested to be shipped out on the management computer (42). The management computer (42) selects the medical devices with the longest inventory time for priority shipping out based on the latest inventory period classification results. If there is a sub-healthy inventory level or an unhealthy inventory level, the management computer (42) executes the shipping out procedure. The shipping out procedure is that the management computer (42) exchanges shipping out signals with the inventory date active response module (2) of the corresponding inventory location based on the wireless network. The control chip (24) indicator light (25) of the inventory date active response module (2) is green and long, and the buzzer (26) intermittently buzzes to remind the location. The manager ships out according to the prompt. If there is no sub-healthy inventory level or unhealthy inventory level, the medical device inventory location data is randomly generated using a random number generation algorithm, and the management computer (42) executes the outbound program based on the inventory location data.

10. The method for managing medical device inventory based on the Internet of Things according to claim 9, characterized in that: The method of inventory period classification is: The inventory healthy time range threshold, inventory sub-healthy time range threshold and inventory unhealthy time threshold are set respectively, and the difference between the current time and the warehousing time is used to calculate whether it is within the inventory healthy time range threshold and the inventory sub-healthy time range threshold. If it is within, it is judged to be in the inventory healthy level or the inventory sub-healthy level; if it is judged to exceed the inventory unhealthy time threshold, it is judged to be in the inventory unhealthy level.

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