CN106581822A - Intelligent control electronic pen-type insulin syringe - Google Patents

Intelligent control electronic pen-type insulin syringe Download PDF

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Publication number
CN106581822A
CN106581822A CN201611198127.4A CN201611198127A CN106581822A CN 106581822 A CN106581822 A CN 106581822A CN 201611198127 A CN201611198127 A CN 201611198127A CN 106581822 A CN106581822 A CN 106581822A
Authority
CN
China
Prior art keywords
left end
storage pipe
medicine storage
insulin syringe
intelligent control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611198127.4A
Other languages
Chinese (zh)
Inventor
王亮
王琛
张倩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Wan Hui Medical Equipment Co Ltd
Original Assignee
Zhengzhou Wan Hui Medical Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Wan Hui Medical Equipment Co Ltd filed Critical Zhengzhou Wan Hui Medical Equipment Co Ltd
Priority to CN201611198127.4A priority Critical patent/CN106581822A/en
Publication of CN106581822A publication Critical patent/CN106581822A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/3129Syringe barrels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2006Having specific accessories
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2026Semi-automatic, e.g. user activated piston is assisted by additional source of energy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M2005/3125Details specific display means, e.g. to indicate dose setting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/18General characteristics of the apparatus with alarm
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/50General characteristics of the apparatus with microprocessors or computers
    • A61M2205/502User interfaces, e.g. screens or keyboards
    • A61M2205/505Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches

Landscapes

  • 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 an intelligent control electronic pen-type insulin syringe, and the insulin syringe comprises a cartridge rack. The left end of the cartridge rack is connected with a medicine storage pipe, and the right end of the cartridge rack is connected with a coarse tuning rotary knob. The right end of the coarse tuning rotary knob is connected with a fine tuning rotary knob. The central part of the cartridge rack is provided with a touch display screen, a Bluetooth module, and a buzzer. The interior of the cartridge rack is provided with a motor, and the left end of the motor is connected with a gear. The gear is connected with an optical coupler. The left end of the gear is connected with a screw, and the left end of the screw is connected with a push rod. The left end of the push rod is connected with the medicine storage pipe, and the joint of the push rod and the medicine storage pipe is provided with a limiting bearing in a surrounding manner. The output end of the coarse tuning rotary knob, the output end of the touch display screen and the output end of the fine tuning rotary knob are connected with a PLC, and the output end of the PLC is connected with the motor, the Bluetooth module and the buzzer. The output end of the Bluetooth module is connected with a smartphone. In short, the insulin syringe is higher in intelligentization degree, is precise in injection, is better in matching performance, and is complete in function.

Description

A kind of electronics pen-type insulin syringe of Based Intelligent Control
Technical field
The invention belongs to medication injection device technical field, and in particular to a kind of electronics pen-type insulin note of Based Intelligent Control Emitter.
Background technology
With the quickening pace of modern life with the impact of bad life style, the incidence of disease more and more higher of diabetes, diabetes It is one group of metabolic disease being characterized with hyperglycaemia, hyperglycaemia is then because defect of insulin secretion or its biological agent are received Damage, or both have concurrently and cause.Long-standing hyperglycaemia during diabetes, causes various tissues, particularly eye, kidney, heart, blood Chronic lesion, the dysfunction of pipe, nerve, more serious impact can be produced after the time is longer to body, but existing Medical technology, also without the scheme of thorough treatment, is treated, in note by insulin injection during common practice to it to it Penetrate the relatively broad of pen-type insulin syringe application during insulin, but existing electronics pen-type insulin syringe The mechanical push button that mainly uses in use is injected, and the accuracy of this injection system is not high, mechanically Syringe it is bad for the matching of pen core, pen core change after, corresponding insulin pump will be changed accordingly, in addition Its intelligence degree is relatively low, makes troubles to actual injection.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, and a kind of intelligence degree of offer is higher, inject essence Really, matching preferably, the electronics pen-type insulin syringe of the Based Intelligent Control of complete function.
The object of the present invention is achieved like this:A kind of electronics pen-type insulin syringe of Based Intelligent Control, it includes pen Core frame, the left end of described pen core frame is connected with medicine storage pipe, and the left end middle part of described medicine storage pipe is connected with piston Bar top, the left end on described piston rod top is connected with outer needle cap, and the left end of described outer needle cap is connected with syringe needle, described pen core The right-hand member of frame is connected with coarse adjustment knob, and the right-hand member of described coarse adjustment knob is connected with vernier knob, the middle part of described pen core frame It is provided with touch display screen, bluetooth module and buzzer, described pen core frame is internally provided with motor, a left side for described motor End is connected with gear, and described gear is connected with optocoupler, and the left end of described gear is connected with screw rod, the left end of described screw rod Push rod is connected with, the left end of described push rod is connected with medicine storage pipe, the junction of described push rod and medicine storage pipe Restriction bearing is surrounded with, the output end of described coarse adjustment knob, touch display screen and vernier knob is connected with PLC, described The output end of PLC be connected with motor, bluetooth module and buzzer, the output end of described bluetooth module is connected with intelligent hand Machine.
Described medicine storage pipe is transparent mode structure.
Described touch display screen is curved face type structure.
Described push rod is extend into inside medicine storage pipe.
Beneficial effects of the present invention:The injection of traditional mechanical push button is changed to the present invention group using gear with optocoupler Conjunction mode is promoted push rod by screw rod, and then is controlled by PLC, and motor drives one-stage gear and turns for corresponding Speed, the even design of light greatly reduces cost and space compared with original encoder calculates drive motor rotating speed, transparent mode Medicine storage pipe is easy to patient to wish that storage is observed in time to medicine, and display is easy to show injection medicine in injection process The accurate display of amount, buzzer can in time remind patient when needing patient to inject, and signal projector can be to the intelligence of patient Can mobile phone transmission signal, be easy to remind patient in smart mobile phone, in a word the present invention have intelligence degree it is higher, injection Accurately, matching preferably, the advantage of complete function.
Description of the drawings
Fig. 1 is a kind of structural representation of the electronics pen-type insulin syringe of Based Intelligent Control of the invention.
Fig. 2 is a kind of operation logic figure of the electronics pen-type insulin syringe of Based Intelligent Control of the invention.
Fig. 3 is a kind of annexation block diagram of the electronics pen-type insulin syringe of Based Intelligent Control of the invention.
In figure:1st, vernier knob 2, coarse adjustment knob 3, buzzer 4, bluetooth module 5, pen core frame 6, touch display screen 7th, medicine storage pipe 8, piston rod top 9, outer needle cap 10, syringe needle 11, restriction bearing 12, push rod 13, screw rod 14, gear 15th, motor 16, optocoupler 17, PLC 18, smart mobile phone.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described further.
Embodiment 1
As Figure 1-3, the electronics pen-type insulin syringe of a kind of Based Intelligent Control, it includes pen core frame 5, described pen core frame 5 left end is connected with medicine storage pipe 7, and the left end middle part of described medicine storage pipe 7 is connected with piston rod top 8, described work The left end on stopper rod top 8 is connected with outer needle cap 9, and the left end of described outer needle cap 9 is connected with syringe needle 10, the right side of described pen core frame 5 End is connected with coarse adjustment knob 2, and the right-hand member of described coarse adjustment knob 2 is connected with vernier knob 1, and the middle part of described pen core frame 5 sets It is equipped with touch display screen 6, bluetooth module 4 and buzzer 3, described pen core frame 5 is internally provided with motor 15, described motor 15 left end is connected with gear 14, and described gear 14 is connected with optocoupler 16, and the left end of described gear 14 is connected with screw rod 13, The left end of described screw rod 13 is connected with push rod 12, and the left end of described push rod 12 is connected with medicine storage pipe 7, and described pushes away The junction of bar 12 and medicine storage pipe 7 is surrounded with restriction bearing 11, described coarse adjustment knob 2, touch display screen 6 with it is micro- The output end for adjusting knob 1 is connected with PLC17, and the output end of described PLC17 is connected with motor 15, bluetooth module 4 and buzzer 3, the output end of described bluetooth module 4 is connected with smart mobile phone 18.
The present invention when implementing, the present invention using motor and gear pitch wheel and coordinate optocoupler to be driven and Count, the specification data of circulate on the market three kinds of pen cores can be in advance input in PLC, the pen when different pen cores are changed Driving means in core frame can be used with counting device without changing, so as to greatly improve overall adaptability, Touch display screen can show real-time insulin injection amount and injection cycle, and be arrived real-time data transmission by bluetooth module On the smart mobile phone of patient, the buzzer of syringe itself carries out providing prompting, carries out in time such that it is able to automatic lifting patient Injection, coarse adjustment and vernier knob cooperate and can carry out the change of trickle injection volume, in a word the present invention have in a word this Invention has the advantages that intelligence degree is higher, injection is accurate, matching is preferable, complete function.
Embodiment 2
As Figure 1-3, the electronics pen-type insulin syringe of a kind of Based Intelligent Control, it includes pen core frame 5, described pen core frame 5 left end is connected with medicine storage pipe 7, and the left end middle part of described medicine storage pipe 7 is connected with piston rod top 8, described work The left end on stopper rod top 8 is connected with outer needle cap 9, and the left end of described outer needle cap 9 is connected with syringe needle 10, the right side of described pen core frame 5 End is connected with coarse adjustment knob 2, and the right-hand member of described coarse adjustment knob 2 is connected with vernier knob 1, and the middle part of described pen core frame 5 sets It is equipped with touch display screen 6, bluetooth module 4 and buzzer 3, described pen core frame 5 is internally provided with motor 15, described motor 15 left end is connected with gear 14, and described gear 14 is connected with optocoupler 16, and the left end of described gear 14 is connected with screw rod 13, The left end of described screw rod 13 is connected with push rod 12, and the left end of described push rod 12 is connected with medicine storage pipe 7, and described pushes away The junction of bar 12 and medicine storage pipe 7 is surrounded with restriction bearing 11, described coarse adjustment knob 2, touch display screen 6 with it is micro- The output end for adjusting knob 1 is connected with PLC17, and the output end of described PLC17 is connected with motor 15, bluetooth module 4 and buzzer 3, the output end of described bluetooth module 4 is connected with smart mobile phone 18, and described medicine storage pipe 7 is transparent mode structure, described Touch display screen 6 be curved face type structure, described push rod 12 extend into inside medicine storage pipe 7.
The present invention when implementing, the present invention using motor and gear pitch wheel and coordinate optocoupler to be driven and Count, the specification data of circulate on the market three kinds of pen cores can be in advance input in PLC, the pen when different pen cores are changed Driving means in core frame can be used with counting device without changing, so as to greatly improve overall adaptability, Touch display screen can show real-time insulin injection amount and injection cycle, and be arrived real-time data transmission by bluetooth module On the smart mobile phone of patient, the buzzer of syringe itself carries out providing prompting, carries out in time such that it is able to automatic lifting patient Injection, coarse adjustment and vernier knob cooperate and can carry out the change of trickle injection volume, coarse adjustment knob, vernier knob with touch Memory of the peration data on display screen through PLC is touched, so that it is determined that the injection dosage and injection cycle of patient, can directly lead to Cross PLC to be controlled the rotating speed of motor, at the same time bluetooth module transfers data to smart mobile phone and buzzer is carried Show, so as to carry out omnibearing prompting to patient, in a word the present invention have in a word the present invention have intelligence degree it is higher, injection Accurately, matching preferably, the advantage of complete function.

Claims (4)

1. the electronics pen-type insulin syringe of a kind of Based Intelligent Control, it includes pen core frame, it is characterised in that:Described pen core frame Left end be connected with medicine storage pipe, the left end middle part of described medicine storage pipe is connected with piston rod top, described piston rod The left end on top is connected with outer needle cap, and the left end of described outer needle cap is connected with syringe needle, and the right-hand member of described pen core frame is connected with slightly Adjust knob, the right-hand member of described coarse adjustment knob is connected with vernier knob, be provided with the middle part of described pen core frame touch display screen, Bluetooth module and buzzer, described pen core frame is internally provided with motor, and the left end of described motor is connected with gear, described Gear be connected with optocoupler, the left end of described gear is connected with screw rod, and the left end of described screw rod is connected with push rod, described The left end of push rod is connected with medicine storage pipe, and described push rod is surrounded with restriction axle with the junction of medicine storage pipe Hold, the output end of described coarse adjustment knob, touch display screen and vernier knob is connected with PLC, and the output end of described PLC connects The output end for having motor, bluetooth module and buzzer, described bluetooth module is connected with smart mobile phone.
2. the electronics pen-type insulin syringe of a kind of Based Intelligent Control as claimed in claim 1, it is characterised in that:Described medicine Thing storage tube is transparent mode structure.
3. the electronics pen-type insulin syringe of a kind of Based Intelligent Control as claimed in claim 1, it is characterised in that:Described touches Display screen is touched for curved face type structure.
4. the electronics pen-type insulin syringe of a kind of Based Intelligent Control as claimed in claim 1, it is characterised in that:Described pushes away Bar is extend into inside medicine storage pipe.
CN201611198127.4A 2016-12-22 2016-12-22 Intelligent control electronic pen-type insulin syringe Pending CN106581822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611198127.4A CN106581822A (en) 2016-12-22 2016-12-22 Intelligent control electronic pen-type insulin syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611198127.4A CN106581822A (en) 2016-12-22 2016-12-22 Intelligent control electronic pen-type insulin syringe

Publications (1)

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CN106581822A true CN106581822A (en) 2017-04-26

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111249614A (en) * 2020-02-12 2020-06-09 高泰康 Novel transducer and ultrasonic wave leading-in instrument
CN111282093A (en) * 2020-02-25 2020-06-16 无锡市儿童医院 Multifunctional insulin pen
CN113244521A (en) * 2020-02-12 2021-08-13 高泰康 Transducer capable of improving sound pressure and device for realizing transdermal introduction by utilizing transducer
WO2022101179A1 (en) * 2020-11-10 2022-05-19 Sanofi A touch sensor of a drug delivery device or of a drug delivery add-on device
CN115038480A (en) * 2019-11-14 2022-09-09 和谐医疗解决方案有限责任公司 Variable dose syringe

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1408443A (en) * 2001-09-24 2003-04-09 崔秀峯 Portable automatic insulin injector with blood sugar detection function
KR20050030195A (en) * 2005-03-07 2005-03-29 최규동 Portable mechanical insulin injection device
FR3010908A1 (en) * 2013-09-24 2015-03-27 Biocorp Rech Et Dev INJECTOR PEN
CN204709544U (en) * 2015-06-18 2015-10-21 闫本硕 A kind of insulin syringe
CN204745211U (en) * 2015-04-09 2015-11-11 遵义医学院附属医院 Insulin syringe
CN105056348A (en) * 2015-07-30 2015-11-18 宁波键一电子信息技术有限公司 Intelligent injection pen
CN105688309A (en) * 2015-07-13 2016-06-22 中南大学 An electronic program control infusion pump and a control method
CN206687978U (en) * 2016-12-22 2017-12-01 郑州万辉医疗设备有限公司 A kind of electronics pen-type insulin syringe of intelligent control

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1408443A (en) * 2001-09-24 2003-04-09 崔秀峯 Portable automatic insulin injector with blood sugar detection function
KR20050030195A (en) * 2005-03-07 2005-03-29 최규동 Portable mechanical insulin injection device
FR3010908A1 (en) * 2013-09-24 2015-03-27 Biocorp Rech Et Dev INJECTOR PEN
CN204745211U (en) * 2015-04-09 2015-11-11 遵义医学院附属医院 Insulin syringe
CN204709544U (en) * 2015-06-18 2015-10-21 闫本硕 A kind of insulin syringe
CN105688309A (en) * 2015-07-13 2016-06-22 中南大学 An electronic program control infusion pump and a control method
CN105056348A (en) * 2015-07-30 2015-11-18 宁波键一电子信息技术有限公司 Intelligent injection pen
CN206687978U (en) * 2016-12-22 2017-12-01 郑州万辉医疗设备有限公司 A kind of electronics pen-type insulin syringe of intelligent control

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115038480A (en) * 2019-11-14 2022-09-09 和谐医疗解决方案有限责任公司 Variable dose syringe
CN111249614A (en) * 2020-02-12 2020-06-09 高泰康 Novel transducer and ultrasonic wave leading-in instrument
CN113244521A (en) * 2020-02-12 2021-08-13 高泰康 Transducer capable of improving sound pressure and device for realizing transdermal introduction by utilizing transducer
CN111282093A (en) * 2020-02-25 2020-06-16 无锡市儿童医院 Multifunctional insulin pen
CN111282093B (en) * 2020-02-25 2022-08-09 无锡市儿童医院 Multifunctional insulin pen
WO2022101179A1 (en) * 2020-11-10 2022-05-19 Sanofi A touch sensor of a drug delivery device or of a drug delivery add-on device

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Inventor after: Zhou Han

Inventor after: Wang Xiaohu

Inventor after: Wang Liang

Inventor after: Wang Chen

Inventor after: Zhang Qian

Inventor before: Wang Liang

Inventor before: Wang Chen

Inventor before: Zhang Qian

WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170426