CN108201646B - Data acquisition method for injector and injector capable of automatically acquiring scale data - Google Patents

Data acquisition method for injector and injector capable of automatically acquiring scale data Download PDF

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Publication number
CN108201646B
CN108201646B CN201711316775.XA CN201711316775A CN108201646B CN 108201646 B CN108201646 B CN 108201646B CN 201711316775 A CN201711316775 A CN 201711316775A CN 108201646 B CN108201646 B CN 108201646B
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sleeve
injector
hall
hall sensor
scale
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CN108201646A (en
Inventor
朱波
赖小龙
庞任维
李润
李文佳
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Guangdong HEC Pharmaceutical
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Sunshine Lake Pharma Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31545—Setting modes for dosing
    • A61M5/31546—Electrically operated dose setting, e.g. input via touch screen or plus/minus buttons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31566—Means improving security or handling thereof
    • A61M5/3157—Means providing feedback signals when administration is completed
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31566—Means improving security or handling thereof
    • A61M5/31573—Accuracy improving means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/18—General characteristics of the apparatus with alarm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3317—Electromagnetic, inductive or dielectric measuring means

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to the technical field of medical instruments, and discloses a data acquisition method for an injector, which comprises the following steps: providing a first part and a second part which can move relatively in the injector and generate scale information; a plurality of permanent magnets are arranged on the first part at intervals, and at least one Hall sensor is arranged on the second part; the first part and the second part are driven to move relatively, and the Hall sensor is triggered by the permanent magnet to calculate the triggering times; and the microprocessor generates scale data according to the triggering times. The invention takes the triggering times of the Hall sensor as the identification information to acquire the scale data of the injector dosage and form electronic data information, thereby facilitating the storage and tracking of data by users. The invention also provides an injector which can realize automatic acquisition and electronization of dose scale data and is beneficial to the storage and tracking of data by a user.

Description

Data acquisition method for injector and injector capable of automatically acquiring scale data
Technical Field
The invention relates to the technical field of medical instruments, in particular to a data acquisition method for an injector and the injector for automatically acquiring scale data.
Background
With the development of society, the change of living habits, the over-pressure of work and the change of dietary structure of people, more and more people suffer from diseases which need long-term drug control, and the patients with the diseases show the trend of youthful development, such as diabetes. Diabetes mellitus requires daily injections of insulin, the amount of insulin required to be injected per patient per day is not constant, and compliance and adjustment of the injected dose by diabetic patients is currently controlled by the patients themselves. In fact, for the medicine injected by a specific injection device, it is desirable to record the information such as the injection dosage and time of the medicine in real time, so that doctors, patients and the like can know the using condition of the medicine conveniently, and the judgment of the state of an illness and the adjustment of a treatment scheme are facilitated. Most of the insulin injection devices in the current market only have a simple dose scale display function, and information such as dose scales cannot automatically form electronic data information for storage or recording, and even cannot track and analyze the injection condition of a patient; in addition, a small part of injection devices with a dose acquisition function exist in the market, but the injection devices realize dose acquisition in a gray code mode consisting of a plurality of information, and the injection devices are large in identification and acquisition data volume, complex in logic, high in realization difficulty and not beneficial to popularization and application.
Based on the above, it is necessary to design an injection device and method that is simple in structure and can automatically acquire data information of a dose and form electronic data information.
Disclosure of Invention
One object of the present invention is: the data acquisition method for the syringe is provided, the triggering times of the Hall sensor are used as identification information to acquire scale data of the syringe dosage and form electronic data information, so that a user can conveniently store and track the data.
Another object of the invention is: the injector capable of automatically acquiring scale data is provided, the scale data of the injector dosage is acquired by a simple structure, and electronic data information is formed, so that a user can conveniently store and track the data.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, a data acquisition method for a syringe is provided, which includes the following steps:
providing a first part and a second part which can move relatively in the injector and generate scale information;
a plurality of permanent magnets are arranged on the first part at intervals, and at least one Hall sensor is arranged on the second part;
the first part and the second part are driven to move relatively, and the Hall sensor is triggered by the permanent magnet to calculate the triggering times;
and the microprocessor generates scale data according to the triggering times.
Preferably, the first and second parts are for descriptive distinction only and not for special purpose, and the first part and the second part are two different parts of the syringe.
Specifically, in the use of syringe, first part with second part relative motion, consequently, the permanent magnet with hall sensor's relative position can change, promptly the magnetic field of hall sensor position can selectivity increase or reduce, and the magnetic field increase or the reduction of hall sensor position will be discerned and calculate and form the number of times of triggering, and this scheme passes through hall sensor's the number of times of triggering is regarded as identification information, can effectively confirm the dose scale of syringe, and this scheme need not to adopt the gray code, and data acquisition volume is few, realizes that the degree of difficulty is little, and is with low costs, and the practicality is high, easily promotes.
As a preferred technical solution, the step of generating the scale data by the microprocessor according to the number of triggers specifically includes:
determining the scale interval between two consecutive triggers of the Hall sensor;
and the microprocessor takes the product of the scale interval and the triggering times as the scale data.
Specifically, after the integral structure of the first part and the second part and the installation positions of the permanent magnet and the Hall sensor are fixed, the scale interval between two times of continuous triggering of the Hall sensor is determined and known. By acquiring the triggering times of the Hall sensor, the scale data can be further calculated by the product of the scale interval and the triggering times, so that the automatic acquisition of the dose scale is realized.
As a preferred technical solution, the triggering the hall sensor by the permanent magnet to calculate the triggering times specifically includes the following steps:
the permanent magnet changes the magnetic field of the Hall sensor, so that the Hall voltage of the Hall sensor is changed;
and the microprocessor determines the triggering times according to the changing times of the Hall voltage.
Preferably, the permanent magnet increases the magnetic field at the position where the hall sensor is located, so that the hall voltage of the hall sensor is increased; and the microprocessor determines the triggering times according to the times of increasing the Hall voltage.
Preferably, the permanent magnet reduces the magnetic field at the position of the hall sensor, so that the hall voltage of the hall sensor is reduced; and the microprocessor determines the triggering times according to the times of reduction of the Hall voltage.
As a preferred technical solution, at least two hall sensors are disposed on the second part, and the microprocessor specifically determines the number of triggering times according to the number of hall voltage changes by the following steps:
determining the Hall sensor currently generating the Hall voltage change signal;
judging whether the first part and the second part rotate positively according to the Hall sensor which generates the Hall voltage change signal at present:
if yes, increasing the triggering times once;
and if not, the triggering times are reduced once.
Specifically, the forward rotation of the first part and the second part refers to the rotation direction in which the scale data of the syringe increases, and the reverse rotation of the first part and the second part refers to the rotation direction in which the scale data of the syringe decreases.
Preferably, the number of the hall sensors is two or more, and the installation positions of the hall sensors are sequentially and fixedly arranged, under the above condition, the sequence of triggering the hall sensors in the forward rotation state is sequentially fixed, if the hall sensors currently generating the hall voltage change signal conform to the sequentially fixed sequence, the first part and the second part are considered to be in forward rotation, and the triggering frequency is increased once; and if the Hall sensor which generates the Hall voltage change signal at present does not conform to the fixed sequence, the first part and the second part are considered to be reversed, the triggering frequency is reduced once, and the triggering frequency can be calculated according to the operation.
As a preferable technical solution, before the microprocessor determines the triggering times according to the number of changes of the hall voltage, the method further comprises the following steps:
judging whether a return-to-zero signal of the triggering times is generated:
if yes, adjusting the triggering times to be zero;
and if not, executing the step that the microprocessor determines the triggering times according to the changing times of the Hall voltage.
Specifically, in any state, when the microprocessor receives a return-to-zero signal, the triggering frequency is adjusted to zero, so that abnormal conditions can be effectively eliminated, and the working reliability of the injector and the accuracy of data recording are ensured.
As a preferred technical solution, after the microprocessor generates the scale data according to the number of triggers, the method further includes the following steps:
judging whether the scale data is larger than a preset injection amount: if yes, an alarm prompt is sent.
Preferably, the alarm prompt is any one of or a combination of any multiple of a sound prompt, an indicator light prompt, a screen prompt, a smell prompt and a vibration prompt.
In particular, in the actual use process, a user may need to use a plurality of different medicines, and the dosages of the medicines are different, so if the user mistakenly uses different medicines, the dosages of the medicines are too much, serious consequences can be caused, and even life risks can be caused. According to the scheme, whether the scale data are larger than the preset injection amount or not is judged, so that the excessive dosage of the medicine can be avoided, and the life safety of a user is ensured. The preset injection amount is preset, the preset injection amount and the medicine have a corresponding relation, after a user selects the medicine on the injector in use, the injector finds out the corresponding preset injection amount, compares the scale data with the preset injection amount in real time, and sends out an alarm prompt if necessary, so that the safety of the user is ensured.
On the other hand, the injector capable of automatically collecting scale data comprises a microprocessor, a first part and a second part, wherein the first part and the second part generate relative motion in the dose scale adjusting process, a plurality of permanent magnets are arranged on the first part at intervals, at least one Hall sensor is arranged on the second part, the Hall sensor is electrically connected with the microprocessor, and the permanent magnets trigger the Hall sensor to generate triggering times corresponding to the scale data.
Preferably, the microprocessor is mounted inside the cap of the syringe.
Specifically, in the process of adjusting the dose scale, the relative position of the first part and the second part can be changed along with the change of the dose scale, so that the change of the dose scale can be reflected by the relative position change of the first part and the second part, that is, the relative position between the first part and the second part can be judged by the triggering times of the hall sensor, and the dose scale of the injector can be determined.
As a preferred technical scheme, a zero magnet is further arranged on the first part, a zero sensor is further arranged on the second part, and the zero magnet triggers the zero sensor to generate a return-to-zero signal;
or the second part is further provided with a zero magnet, the first part is further provided with a zero sensor, and the zero magnet triggers the zero sensor to generate a zero return signal.
Specifically, in any state, when the microprocessor receives a return-to-zero signal, the triggering frequency is adjusted to zero, so that abnormal conditions can be effectively eliminated, and the working reliability of the injector and the accuracy of data recording are ensured.
Preferably, the zero point magnet is mounted at one end of the first part close to the needle of the syringe, and the zero point sensor is mounted at one end of the second part close to the needle of the syringe.
Preferably, the zero point magnet is mounted at one end of the second part close to the needle of the syringe, and the zero point sensor is mounted at one end of the first part close to the needle of the syringe.
Preferably, the permanent magnets are distributed at equal intervals on the first member.
Preferably, the permanent magnets are distributed on the first part at equal intervals in a spiral line direction.
As a preferred technical scheme, a plurality of mounting holes are formed in the first part, and the permanent magnet is embedded in the mounting holes.
Preferably, the mounting hole is formed in the outer surface of the first part, so that the permanent magnet can be assembled from the outer side, the disassembly and assembly difficulty is reduced, and the assembly and maintenance efficiency is improved.
Preferably, the mounting holes are provided at equal intervals on the first member.
Preferably, the mounting holes are distributed on the first part at equal intervals along a spiral line direction.
As a preferable technical solution, the number of the hall sensors is two or more.
Specifically, the number of the Hall sensors is more than two, so that the positive and negative rotation of the first part and the second part can be effectively identified, the influence of the reverse rotation in the scale adjusting process is eliminated, and the accuracy and the reliability of the acquired scale data are ensured.
Preferably, the product of the number of the hall sensors and the number of the permanent magnets is greater than or equal to the total number of scale data to be identified. Under the condition that each Hall sensor can be triggered by each permanent magnet, the product of the number of the Hall sensors and the number of the permanent magnets is the sum of data recognizable by the data acquisition structure. If each Hall sensor can be triggered by only part of the permanent magnets, the sum of data recognizable by the data acquisition structure is smaller than the product of the number of the Hall sensors and the number of the permanent magnets.
Further, the product of the number of the hall sensors and the number of the permanent magnets is equal to or greater than 60.
Preferably, the number of the hall sensors is 2, and the number of the permanent magnets is 30.
Preferably, the number of the hall sensors is 3, and the number of the permanent magnets is 20.
Preferably, the number of the hall sensors is 4, and the number of the permanent magnets is 15.
Preferably, the number of the hall sensors is 5, and the number of the permanent magnets is 12.
Preferably, the number of the hall sensors is 6, and the number of the permanent magnets is 10.
As a preferred technical solution, the first part is a mounting inner shell, and the second part is a connecting sleeve;
or, the second part is a mounting inner shell, and the first part is a connecting sleeve;
or, the first part is a mounting inner shell, and the second part is an inner sleeve;
or, the second part is a mounting inner shell, and the first part is an inner sleeve;
or, the first part is an installation inner shell, and the second part is an external sleeve;
or, the second part is an installation inner shell, and the first part is an external sleeve;
or, the first part is a mounting housing and the second part is a connecting sleeve;
or, the second part is a mounting housing and the first part is a connecting sleeve;
or, the first part is a mounting housing and the second part is an internal sleeve;
or, the second part is a mounting housing and the first part is an internal sleeve;
or, the first part is a mounting housing and the second part is an external sleeve;
alternatively, the second part is a mounting housing and the first part is an external sleeve.
Specifically, the injector comprises an installation outer shell, an installation inner shell, an external sleeve, an internal sleeve, a connecting sleeve, a transmission sleeve, a push rod, a bottom cover and a top cover, wherein the installation inner shell is fixedly installed inside the installation outer shell, one end of the external sleeve is embedded between the installation outer shell and the installation inner shell, the other end of the external sleeve is connected with the top cover, the external sleeve, the installation outer shell and the installation inner shell relatively rotate and axially move in the dose scale adjustment process, the internal sleeve is embedded in the connecting sleeve, the internal sleeve is fixedly connected with the connecting sleeve, the internal sleeve and the connecting sleeve are integrally embedded in the installation inner shell, the connecting sleeve is fixedly connected with the external sleeve, and the internal sleeve and the connecting sleeve relatively rotate and axially move with the installation inner shell in the dose scale adjustment process, one end of the transmission sleeve is embedded in the built-in sleeve, the other end of the transmission sleeve is in transmission connection with the ejector rod, the bottom cover is arranged at one end, away from the top cover, of the installation shell, the ejector rod penetrates through the bottom cover, and the ejector rod is in threaded connection with the bottom cover.
Specifically, during the adjustment of the dose scale, the external sleeve rotates relative to the mounting outer shell and the mounting inner shell, and simultaneously the internal sleeve is driven to rotate relative to the mounting inner shell through the connecting sleeve, and during the adjustment of the dose scale, the internal sleeve is disconnected from the transmission sleeve, namely, the transmission sleeve and the ejector rod are kept static during the adjustment of the dose scale. In the injection process, the external sleeve resets and drives the internal sleeve to rotate relative to the mounting inner shell, the internal sleeve is in transmission connection with the transmission sleeve, namely the transmission sleeve rotates under the driving action of the internal sleeve, and then the transmission sleeve drives the ejector rod to rotate, and the ejector rod is in threaded connection with the bottom cover fixed on the mounting outer shell, so that the ejector rod axially moves relative to the bottom cover in the direction away from the top cover, and the injection of the medicine is realized.
The connecting sleeve is arranged in the inner part of the mounting inner shell, and the connecting sleeve and the mounting inner shell rotate relatively and move axially in the injection process. The dose scale of the injector can be determined by tracking the relative movement of the connecting sleeve and the mounting inner shell, so that the permanent magnet and the Hall sensor are respectively arranged on the connecting sleeve and the mounting inner shell, and the determination and the electronization of the dose scale can be realized.
The built-in sleeve is arranged in the inner part of the mounting inner shell, and the built-in sleeve and the mounting inner shell rotate relatively and move axially in the injection process. The dose scale of the injector can be determined by tracking the relative movement of the built-in sleeve and the mounting inner shell, so that the permanent magnet and the Hall sensor are respectively arranged on the built-in sleeve and the mounting inner shell, and the determination and the electronization of the dose scale can be realized.
The external sleeve is arranged outside the installation inner shell, and the external sleeve and the installation inner shell rotate relatively and move axially in the injection process. The dose scale of the injector can be determined by tracking the relative movement of the external sleeve and the installation inner shell, so that the permanent magnet and the Hall sensor are respectively arranged on the external sleeve and the installation inner shell, and the determination and the electronization of the dose scale can be realized.
The connecting sleeve is arranged in the mounting shell, and the connecting sleeve and the mounting shell rotate relatively and move axially in the injection process. The dose scale of the injector can be determined by tracking the relative movement of the connecting sleeve and the mounting shell, so that the permanent magnet and the Hall sensor are respectively arranged on the connecting sleeve and the mounting shell, and the determination and the electronization of the dose scale can be realized.
The built-in sleeve is arranged in the mounting shell, and the built-in sleeve and the mounting shell rotate relatively and move axially in the injection process. The dose scale of the injector can be determined by tracking the relative movement of the built-in sleeve and the mounting shell, so that the permanent magnet and the Hall sensor are respectively arranged on the built-in sleeve and the mounting shell, and the determination and the electronization of the dose scale can be realized.
The external sleeve is inserted in the mounting shell, and the external sleeve and the mounting shell rotate relatively and move axially in the injection process. The dose scale of the injector can be determined by tracking the relative movement of the external sleeve and the mounting shell, so that the permanent magnet and the Hall sensor are respectively arranged on the external sleeve and the mounting shell, and the determination and the electronization of the dose scale can be realized.
As a preferable technical scheme, the intelligent alarm device further comprises an alarm device, and the alarm device is in signal connection with the microprocessor.
Preferably, the alarm device is any one of or a combination of any plurality of a buzzer, an indicator light, a screen, an odor generator and a vibration generator.
The invention has the beneficial effects that: the data acquisition method for the syringe is provided, the triggering times of the Hall sensor are used as identification information to acquire scale data of the syringe dosage and form electronic data information, and therefore a user can conveniently store and track the data. The invention also provides an injector which can realize automatic acquisition and electronization of dose scale data and is beneficial to the storage and tracking of data by a user.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a block flow diagram of a data acquisition method for a syringe according to a first embodiment;
fig. 2 is a block flow diagram of a data acquisition method for a syringe according to a second embodiment;
fig. 3 is a block flow diagram of a data acquisition method for an injector according to a fourth embodiment;
FIG. 4 is a schematic structural view of a syringe according to the sixth embodiment;
FIG. 5 is a schematic structural view of an inner housing according to a sixth embodiment;
FIG. 6 is a schematic structural view of a coupling sleeve according to a sixth embodiment;
FIG. 7 is a schematic structural diagram of an installed inner shell according to the ninth embodiment;
fig. 8 is a schematic structural view of a connection sleeve according to the ninth embodiment.
In fig. 4 to 8:
1. installing a shell; 2. installing an inner shell; 3. an external sleeve; 4. a sleeve is arranged inside; 5. a connecting sleeve; 6. a drive sleeve; 7. a top rod; 8. a bottom cover; 9. a top cover; 10. a permanent magnet; 11. a Hall sensor; 12. a zero point magnet; 13. and a zero point sensor.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The first embodiment is as follows:
there is provided a data acquisition method for a syringe, as shown in fig. 1, comprising the steps of:
providing a first part and a second part which can move relatively in the injector and generate scale information;
a plurality of permanent magnets are arranged on the first part at intervals, and a Hall sensor is arranged on the second part;
the first part and the second part are driven to move relatively, and the Hall sensor is triggered by the permanent magnet to calculate the triggering times;
and the microprocessor generates scale data according to the triggering times.
Specifically, in the use of syringe, first part with second part relative motion, consequently, the permanent magnet with hall sensor's relative position can change, promptly the magnetic field of hall sensor position can selectivity increase or reduce, and the magnetic field increase or the reduction of hall sensor position will be discerned and calculate and form the number of times of triggering, and this scheme passes through hall sensor's the number of times of triggering is regarded as identification information, can effectively confirm the dose scale of syringe, and this scheme need not to adopt the gray code, and data acquisition volume is few, realizes that the degree of difficulty is little, and is with low costs, and the practicality is high, easily promotes.
In this embodiment, the step of generating the scale data by the microprocessor according to the number of triggers specifically includes the following steps:
determining the scale interval between two consecutive triggers of the Hall sensor;
and the microprocessor takes the product of the scale interval and the triggering times as the scale data.
Specifically, after the integral structure of the first part and the second part and the installation positions of the permanent magnet and the Hall sensor are fixed, the scale interval between two times of continuous triggering of the Hall sensor is determined and known. By acquiring the triggering times of the Hall sensor, the scale data can be further calculated by the product of the scale interval and the triggering times, so that the automatic acquisition of the dose scale is realized.
In this embodiment, the triggering the hall sensor by the permanent magnet to calculate the triggering times specifically includes the following steps:
the permanent magnet increases the magnetic field of the Hall sensor, so that the Hall voltage of the Hall sensor is increased;
and the microprocessor determines the triggering times according to the times of increasing the Hall voltage.
In other embodiments, the step of triggering the hall sensor by the permanent magnet to calculate the number of triggering specifically includes the following steps:
the permanent magnet reduces the magnetic field at the position of the Hall sensor, so that the Hall voltage of the Hall sensor is reduced;
and the microprocessor determines the triggering times according to the times of reduction of the Hall voltage.
Example two:
the difference between this embodiment and the first embodiment is:
as shown in fig. 2, before the microprocessor determines the triggering times according to the number of changes of the hall voltage, the method further includes the following steps:
judging whether a return-to-zero signal of the triggering times is generated:
if yes, adjusting the triggering times to be zero;
and if not, executing the step that the microprocessor determines the triggering times according to the changing times of the Hall voltage.
When the microprocessor receives the return-to-zero signal, the triggering times are adjusted to zero, so that abnormal conditions can be effectively eliminated, and the working reliability of the injector and the accuracy of data recording are ensured.
Example three:
the difference between this embodiment and the first embodiment is:
after the microprocessor generates the scale data according to the triggering times, the method also comprises the following steps:
judging whether the scale data is larger than a preset injection amount: if yes, an alarm prompt is sent.
In this embodiment, the alarm prompt is a voice prompt. Of course, in other embodiments, the alarm prompt may be any one of or any combination of a sound prompt, an indicator light prompt, a screen prompt, a smell prompt, and a vibration prompt.
In particular, in the actual use process, a user may need to use a plurality of different medicines, and the dosages of the medicines are different, so if the user mistakenly uses different medicines, the dosages of the medicines are too much, serious consequences can be caused, and even life risks can be caused. According to the scheme, whether the scale data are larger than the preset injection amount or not is judged, so that the excessive dosage of the medicine can be avoided, and the life safety of a user is ensured. The preset injection amount is preset, the preset injection amount and the medicine have a corresponding relation, after a user selects the medicine on the injector in use, the injector finds out the corresponding preset injection amount, compares the scale data with the preset injection amount in real time, and sends out an alarm prompt if necessary, so that the safety of the user is ensured.
Example four:
the difference between this embodiment and the first embodiment is:
as shown in fig. 3, two hall sensors are disposed on the second part, and the determining, by the microprocessor, the number of triggering times according to the number of hall voltage changes specifically includes the following steps:
determining the Hall sensor currently generating the Hall voltage change signal;
judging whether the first part and the second part rotate positively according to the Hall sensor which generates the Hall voltage change signal at present:
if yes, increasing the triggering times once;
and if not, the triggering times are reduced once.
Specifically, the forward rotation of the first part and the second part refers to the rotation direction in which the scale data of the syringe increases, and the reverse rotation of the first part and the second part refers to the rotation direction in which the scale data of the syringe decreases.
The Hall sensors are more than two, the installation positions of the Hall sensors are sequentially and fixedly arranged, the triggering sequence of the Hall sensors in a forward rotation state is sequentially fixed under the condition, if the Hall sensors which currently generate the Hall voltage change signals accord with the sequentially fixed sequence, the first part and the second part are considered to be in forward rotation, and the triggering times are increased once; and if the Hall sensor which generates the Hall voltage change signal at present does not conform to the fixed sequence, the first part and the second part are considered to be reversed, the triggering frequency is reduced once, and the triggering frequency can be calculated according to the operation.
Example five:
the data acquisition method for the injector comprises the following steps:
providing a first part and a second part which can move relatively in the injector and generate scale information;
22 permanent magnets are arranged on the first part at intervals, and four Hall sensors are arranged on the second part;
the first part and the second part are driven to move relatively, and the Hall sensor is triggered by the permanent magnet to calculate the triggering times;
and the microprocessor generates scale data according to the triggering times.
Specifically, in the use of syringe, first part with second part relative motion, consequently, the permanent magnet with hall sensor's relative position can change, promptly the magnetic field of hall sensor position can selectivity increase or reduce, and the magnetic field increase or the reduction of hall sensor position will be discerned and calculate and form the number of times of triggering, and this scheme passes through hall sensor's the number of times of triggering is regarded as identification information, can effectively confirm the dose scale of syringe, and this scheme need not to adopt the gray code, and data acquisition volume is few, realizes that the degree of difficulty is little, and is with low costs, and the practicality is high, easily promotes.
In this embodiment, the step of generating the scale data by the microprocessor according to the number of triggers specifically includes the following steps:
determining the scale interval between two consecutive triggers of the Hall sensor;
and the microprocessor takes the product of the scale interval and the triggering times as the scale data.
Specifically, after the integral structure of the first part and the second part and the installation positions of the permanent magnet and the Hall sensor are fixed, the scale interval between two times of continuous triggering of the Hall sensor is determined and known. By acquiring the triggering times of the Hall sensor, the scale data can be further calculated by the product of the scale interval and the triggering times, so that the automatic acquisition of the dose scale is realized.
In this embodiment, the triggering the hall sensor by the permanent magnet to calculate the triggering times specifically includes the following steps:
the permanent magnet increases the magnetic field of the Hall sensor, so that the Hall voltage of the Hall sensor is increased;
and the microprocessor determines the triggering times according to the times of increasing the Hall voltage.
In other embodiments, the step of triggering the hall sensor by the permanent magnet to calculate the number of triggering specifically includes the following steps:
the permanent magnet reduces the magnetic field at the position of the Hall sensor, so that the Hall voltage of the Hall sensor is reduced;
and the microprocessor determines the triggering times according to the times of reduction of the Hall voltage.
In this embodiment, before the microprocessor determines the triggering times according to the number of changes of the hall voltage, the method further includes the following steps:
judging whether a return-to-zero signal of the triggering times is generated:
if yes, adjusting the triggering times to be zero;
and if not, executing the step that the microprocessor determines the triggering times according to the changing times of the Hall voltage.
In this embodiment, after the microprocessor generates the scale data according to the number of triggers, the method further includes the following steps:
judging whether the scale data is larger than a preset injection amount: if yes, an alarm prompt is sent.
In this embodiment, the alarm prompt is a voice prompt. Of course, in other embodiments, the alarm prompt may be any one of or any combination of a sound prompt, an indicator light prompt, a screen prompt, a smell prompt, and a vibration prompt.
In this embodiment, the step of determining the triggering times by the microprocessor according to the number of changes of the hall voltage specifically includes the following steps:
determining the Hall sensor currently generating the Hall voltage change signal;
judging whether the first part and the second part rotate positively according to the Hall sensor which generates the Hall voltage change signal at present:
if yes, increasing the triggering times once;
and if not, the triggering times are reduced once.
Specifically, the forward rotation of the first part and the second part refers to the rotation direction in which the scale data of the syringe increases, and the reverse rotation of the first part and the second part refers to the rotation direction in which the scale data of the syringe decreases.
Example six:
the utility model provides an automatic syringe of gathering scale data, as shown in fig. 4, 5 and 6, including microprocessor, first part and second part, first part with the second part produces relative motion in the dose scale adjustment process, the interval is provided with 60 permanent magnets 10 on the first part, be provided with a hall sensor 11 on the second part, hall sensor 11 with microprocessor electricity is connected, permanent magnet 10 triggers hall sensor 11 produces the number of times of triggering corresponding with scale data. The microprocessor is mounted inside the cap 9 of the syringe.
Specifically, in the process of adjusting the dose scale, the relative position of the first part and the second part can be changed along with the change of the dose scale, so that the change of the dose scale can be reflected by the change of the relative position of the first part and the second part, that is, the relative position between the first part and the second part can be judged by the triggering times of the hall sensor 11, and the dose scale of the syringe can be determined.
In this embodiment, the permanent magnets 10 are distributed on the first component at equal intervals along the spiral direction. The first part is provided with a plurality of mounting holes, and the permanent magnet 10 is embedded in the mounting holes. The mounting hole is formed in the outer surface of the first part, so that the permanent magnet 10 can be assembled from the outer side, the disassembly and assembly difficulty is reduced, and the assembly and maintenance efficiency is improved. The mounting holes are distributed on the first part at equal intervals along the spiral line direction.
The injector comprises an installation outer shell 1, an installation inner shell 2, an external sleeve 3, an internal sleeve 4, a connecting sleeve 5, a transmission sleeve 6, a push rod 7, a bottom cover 8 and a top cover 9, wherein the installation inner shell 2 is fixedly installed inside the installation outer shell 1, one end of the external sleeve 3 is embedded between the installation outer shell 1 and the installation inner shell 2, the other end of the external sleeve 3 is connected with the top cover 9, the external sleeve 3, the installation outer shell 1 and the installation inner shell 2 relatively rotate and axially move in the process of dose scale adjustment, the internal sleeve 4 is embedded in the connecting sleeve 5, the internal sleeve 4 is fixedly connected with the connecting sleeve 5, the whole of the internal sleeve 4 and the connecting sleeve 5 is embedded inside the installation inner shell 2, and the connecting sleeve 5 is fixedly connected with the external sleeve 3, the integral body of the built-in sleeve 4 and the connecting sleeve 5 rotates and moves axially relative to the mounting inner shell 2 in the process of adjusting the dose scale, one end of the transmission sleeve 6 is embedded in the built-in sleeve 4, the other end of the transmission sleeve 6 is in transmission connection with the ejector rod 7, one end of the mounting outer shell 1, which is far away from the top cover 9, is provided with the bottom cover 8, the ejector rod 7 penetrates through the bottom cover 8, and the ejector rod 7 is in threaded connection with the bottom cover 8.
In particular, during dose dial adjustment, the external sleeve 3 rotates relative to the mounting outer housing 1 and the mounting inner housing 2, while the internal sleeve 4 is driven to rotate relative to the mounting inner housing 2 via the coupling sleeve 5, wherein during dose dial adjustment the internal sleeve 4 is disconnected from the drive sleeve 6, i.e. the drive sleeve 6 and the plunger 7 remain stationary during dose dial adjustment. In the injection process, the external sleeve 3 is reset, the internal sleeve 4 is driven to rotate relative to the mounting inner shell 2, the internal sleeve 4 is in transmission connection with the transmission sleeve 6 in the injection process, namely the transmission sleeve 6 rotates under the driving action of the internal sleeve 4, and then the transmission sleeve 6 drives the ejector rod 7 to rotate, and the ejector rod 7 is in threaded connection with the bottom cover 8 fixed on the mounting outer shell 1, so that the ejector rod 7 axially moves relative to the bottom cover 8 in the direction away from the top cover 9, and the injection of the medicine is realized.
In the present embodiment, the first part is the mounting inner housing 2 and the second part is the connecting sleeve 5. The connecting sleeve 5 is installed inside the inner mounting shell 2, and the connecting sleeve 5 and the inner mounting shell 2 rotate relatively and move axially during injection. The dose scale of the injector can be determined by tracking the relative movement of the connecting sleeve 5 and the mounting inner shell 2, so that the permanent magnet 10 and the hall sensor 11 are respectively arranged on the connecting sleeve 5 and the mounting inner shell 2, and the dose scale can be determined and electronized.
Example seven:
the difference between this embodiment and the sixth embodiment is:
the first part is provided with 22 permanent magnets at intervals, and the second part is provided with 4 Hall sensors. Specifically, the number of the Hall sensors is more than two, so that the positive and negative rotation of the first part and the second part can be effectively identified, the influence of the reverse rotation in the scale adjusting process is eliminated, and the accuracy and the reliability of the acquired scale data are ensured.
In other embodiments, each of the hall sensors is triggered by each of the permanent magnets. The number of the Hall sensors is 2, and the number of the permanent magnets is 30; or the number of the Hall sensors is 3, and the number of the permanent magnets is 20; or the number of the Hall sensors is 4, and the number of the permanent magnets is 15; or the number of the Hall sensors is 5, and the number of the permanent magnets is 12; or the number of the Hall sensors is 6, and the number of the permanent magnets is 10.
Example eight:
the difference between this embodiment and the sixth embodiment is:
the second part is a mounting inner housing and the first part is a connecting sleeve.
In other embodiments, the first part is a mounting inner housing and the second part is an inner sleeve;
or, the second part is a mounting inner shell, and the first part is an inner sleeve;
or, the first part is an installation inner shell, and the second part is an external sleeve;
or, the second part is an installation inner shell, and the first part is an external sleeve;
or, the first part is a mounting housing and the second part is a connecting sleeve;
or, the second part is a mounting housing and the first part is a connecting sleeve;
or, the first part is a mounting housing and the second part is an internal sleeve;
or, the second part is a mounting housing and the first part is an internal sleeve;
or, the first part is a mounting housing and the second part is an external sleeve;
alternatively, the second part is a mounting housing and the first part is an external sleeve.
Example nine:
the difference between this embodiment and the sixth embodiment is:
as shown in fig. 7 and 8, the first part is further provided with a zero point magnet 12, the second part is further provided with a zero point sensor 13, and the zero point magnet 12 triggers the zero point sensor 13 to generate a return-to-zero signal. The zero point magnet 12 is mounted on the first part at the end near the needle of the syringe and the zero point sensor 13 is mounted on the second part at the end near the needle of the syringe.
In other embodiments, the second part is further provided with a zero point magnet 12, the first part is further provided with a zero point sensor 13, and the zero point magnet 12 triggers the zero point sensor 13 to generate a return-to-zero signal. The zero point magnet 12 is mounted on the second part at the end near the needle of the syringe and the zero point sensor 13 is mounted on the first part at the end near the needle of the syringe.
Example ten:
the difference between this embodiment and the sixth embodiment is:
the injector also comprises an alarm device which is in signal connection with the microprocessor. The alarm device is a buzzer. In other embodiments, the alarm device is any one of or a combination of any number of buzzers, indicator lights, screens, odor generators, vibration generators.
Example eleven:
the utility model provides an automatic syringe of gathering scale data, includes microprocessor, first part and second part, first part with the second part produces relative motion at dose scale adjustment in-process, the interval is provided with 22 permanent magnets on the first part, be provided with 4 hall sensor on the second part, hall sensor with microprocessor electricity is connected, the permanent magnet triggers hall sensor produces the number of times that triggers that corresponds with scale data. The microprocessor is mounted inside the cap of the syringe.
In this embodiment, the permanent magnets are distributed on the first part at equal intervals along the spiral direction. A plurality of mounting holes are formed in the first part, and the permanent magnet is embedded in the mounting holes. The mounting hole is opened the surface of first part makes the permanent magnet can assemble from the outside, reduces the dismouting degree of difficulty, improves the efficiency of assembly and maintenance. The mounting holes are distributed on the first part at equal intervals along the spiral line direction.
The injector comprises an installation outer shell, an installation inner shell, an external sleeve, an internal sleeve, a connecting sleeve, a transmission sleeve, an ejector rod, a bottom cover and a top cover, wherein the installation inner shell is fixedly installed in the installation outer shell, one end of the external sleeve is embedded between the installation outer shell and the installation inner shell, the other end of the external sleeve is connected with the top cover, the external sleeve, the installation outer shell and the installation inner shell relatively rotate and axially move in the dose scale adjustment process, the internal sleeve is embedded in the connecting sleeve, the internal sleeve is fixedly connected with the connecting sleeve, the internal sleeve and the connecting sleeve are integrally embedded in the installation inner shell, the connecting sleeve is fixedly connected with the external sleeve, and the internal sleeve and the connecting sleeve relatively rotate and axially move with the installation inner shell in the dose scale adjustment process, one end of the transmission sleeve is embedded in the built-in sleeve, the other end of the transmission sleeve is in transmission connection with the ejector rod, the bottom cover is arranged at one end, away from the top cover, of the installation shell, the ejector rod penetrates through the bottom cover, and the ejector rod is in threaded connection with the bottom cover.
In this embodiment, the first part is a mounting inner housing, and the second part is a connecting sleeve.
In this embodiment, the first part is further provided with a zero point magnet, the second part is further provided with a zero point sensor, and the zero point magnet triggers the zero point sensor to generate a return-to-zero signal. The zero point magnet is arranged at one end of the first part close to the needle head of the injector, and the zero point sensor is arranged at one end of the second part close to the needle head of the injector.
In this embodiment, the injector further comprises an alarm device, and the alarm device is in signal connection with the microprocessor. The alarm device is a buzzer.
The terms "first" and "second" are used herein for descriptive purposes only and are not intended to have any special meaning.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles used, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the protective scope of the present invention.

Claims (10)

1. A data acquisition method for a syringe is characterized by comprising the following steps:
providing a first part and a second part which can move relatively in the injector and generate scale information;
a plurality of permanent magnets are arranged on the first part at intervals, and at least one Hall sensor is arranged on the second part;
the first part and the second part are driven to move relatively, and the Hall sensor is triggered by the permanent magnet to calculate the triggering times;
and the microprocessor generates scale data according to the triggering times.
2. The data acquisition method for the syringe according to claim 1, wherein the step of generating the calibration data by the microprocessor according to the number of triggers comprises the following steps:
determining the scale interval between two consecutive triggers of the Hall sensor;
and the microprocessor takes the product of the scale interval and the triggering times as the scale data.
3. The data acquisition method for the injector according to claim 1, wherein the step of triggering the hall sensor by the permanent magnet to count the triggering times specifically comprises the following steps:
the permanent magnet changes the magnetic field of the Hall sensor, so that the Hall voltage of the Hall sensor is changed;
and the microprocessor determines the triggering times according to the changing times of the Hall voltage.
4. The data acquisition method for the injector as claimed in claim 3, wherein the second part is provided with at least two Hall sensors, and the step of determining the triggering times by the microprocessor according to the changing times of the Hall voltages specifically comprises the following steps:
determining the Hall sensor currently generating the Hall voltage change signal;
judging whether the first part and the second part rotate positively according to the Hall sensor which generates the Hall voltage change signal at present:
if yes, increasing the triggering times once;
and if not, the triggering times are reduced once.
5. The data acquisition method for the injector according to claim 3, wherein before the microprocessor determines the triggering times according to the number of changes of the Hall voltage, the method further comprises the following steps:
judging whether a return-to-zero signal of the triggering times is generated:
if yes, adjusting the triggering times to be zero;
and if not, executing the step that the microprocessor determines the triggering times according to the changing times of the Hall voltage.
6. The utility model provides an automatic syringe of gathering scale data which characterized in that, includes microprocessor, first part and second part, first part with the second part produces relative motion at dose scale adjustment in-process, the interval is provided with a plurality of permanent magnets on the first part, be provided with at least one hall sensor on the second part, hall sensor with the microprocessor electricity is connected, the permanent magnet triggers hall sensor produces the number of times of triggering corresponding with scale data.
7. The injector for automatically acquiring scale data according to claim 6, wherein a zero point magnet is further arranged on the first part, a zero point sensor is further arranged on the second part, and the zero point magnet triggers the zero point sensor to enable the zero point sensor to generate a zero return signal;
or, the second part is further provided with a zero magnet, the first part is further provided with a zero sensor, and the zero magnet triggers the zero sensor to enable the zero sensor to generate a return-to-zero signal.
8. An injector for automatically acquiring calibration data according to claim 6 wherein said permanent magnets are equally spaced on said first member.
9. The automatic scale data acquisition injector according to claim 6, wherein the number of the Hall sensors is more than two.
10. An injector for automatically acquiring scale data according to any one of claims 6 to 9, wherein the first part is a mounting inner housing and the second part is a connecting sleeve;
or, the second part is a mounting inner shell, and the first part is a connecting sleeve;
or, the first part is a mounting inner shell, and the second part is an inner sleeve;
or, the second part is a mounting inner shell, and the first part is an inner sleeve;
or, the first part is an installation inner shell, and the second part is an external sleeve;
or, the second part is an installation inner shell, and the first part is an external sleeve;
or, the first part is a mounting housing and the second part is a connecting sleeve;
or, the second part is a mounting housing and the first part is a connecting sleeve;
or, the first part is a mounting housing and the second part is an internal sleeve;
or, the second part is a mounting housing and the first part is an internal sleeve;
or, the first part is a mounting housing and the second part is an external sleeve;
alternatively, the second part is a mounting housing and the first part is an external sleeve.
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Address after: 523808 No.1, Gongye North Road, Songshanhu Park, Dongguan City, Guangdong Province

Patentee after: Guangdong Dongyangguang Pharmaceutical Co.,Ltd.

Address before: 523808 No. 1 Industrial North Road, Songshan Industrial Park, Songshan, Guangdong, Dongguan, Hubei

Patentee before: SUNSHINE LAKE PHARMA Co.,Ltd.