CN112057705A - Injection device - Google Patents

Injection device Download PDF

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Publication number
CN112057705A
CN112057705A CN202010754255.2A CN202010754255A CN112057705A CN 112057705 A CN112057705 A CN 112057705A CN 202010754255 A CN202010754255 A CN 202010754255A CN 112057705 A CN112057705 A CN 112057705A
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CN
China
Prior art keywords
injection device
communication module
module
groove
piston rod
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.)
Granted
Application number
CN202010754255.2A
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Chinese (zh)
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CN112057705B (en
Inventor
翁建森
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.)
Zhejiang Senmai Hechuang Medical Technology Co ltd
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Shanghai Conservation Technology Co Ltd
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Publication of CN112057705A publication Critical patent/CN112057705A/en
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Publication of CN112057705B publication Critical patent/CN112057705B/en
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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
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • 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
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31545—Setting modes for dosing
    • A61M5/31548—Mechanically operated dose setting member
    • A61M5/31556—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
    • 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
    • A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
    • A61M5/31578—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod
    • A61M5/3158—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod performed by axially moving actuator operated by user, e.g. an injection button
    • 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
    • A61M2205/35—Communication
    • A61M2205/3507—Communication with implanted devices, e.g. external control
    • A61M2205/3523—Communication with implanted devices, e.g. external control using telemetric 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
    • A61M2205/35—Communication
    • A61M2205/3546—Range
    • A61M2205/3553—Range remote, e.g. between patient's home and doctor's office
    • 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
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated
    • 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
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8237—Charging means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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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 utility model aims at providing an injection apparatus, it mainly comprises casing, cylinder, the piston rod that is used for extrudeing the cylinder inner space, driving motor, control module, communication module and power module etc. that have the cavity. The driving motor is arranged in the cavity of the shell, is connected with the piston rod and is used for driving the piston rod to extrude the needle cylinder; the control module is in communication connection with the driving motor; the communication module is in communication connection with the control module and is used for being in communication connection with an external terminal; and the power supply module is electrically connected with the driving motor, the control module and the communication module. Compared with the prior art, the injection dosage of the medicine can be accurately controlled.

Description

Injection device
Technical Field
The invention relates to the field of medical instruments, in particular to an injection device.
Background
An injection device, as a common medical instrument, can replace manual needle insertion, injection and the like to accurately extrude required dosage.
In a conventional injection device, a mechanical driving method such as a button mechanism, a cartridge type medicine needle mechanism, a screw driving mechanism, etc. is generally adopted to drive a screw to squeeze a medicine in a medicine bottle, so as to inject the medicine, for example: when modes such as mode through artifical pressing trigger promotion screw rod extrusion medicine, the distance of its pressing has often decided the propulsion distance of screw rod, the injection dosage of medicine promptly, however because the dynamics of pressing is often difficult to master, therefore unable accurate control propulsion distance, thereby brought the inconvenience for patient's use, in addition, present injection device mostly suffers abandoning after using promptly, thereby make the medicine dosage and the time of user injection at every turn can not get the record, and the user is difficult to form the custom of the medicine dosage of record injection at any time again, consequently when leading to follow-up use, there is too much or too little phenomenon of medicine dosage injection, adverse effect has been caused to self health.
Therefore, how to provide an injection device which can accurately control the injection dosage of the medicine is a technical problem which needs to be solved by the invention.
Disclosure of Invention
In view of the above-mentioned shortcomings or drawbacks of the prior art, an object of the present invention is to provide an injection device capable of accurately controlling the injection dosage of a medicine.
In order to solve the above technical problem, the present invention provides an injection device comprising: the casing with cavity, syringe, be used for extrudeing the piston rod of syringe inner space include:
the driving motor is arranged in the cavity, is connected with the piston rod and is used for driving the piston rod to extrude the needle cylinder;
the control module is in communication connection with the driving motor;
the communication module is in communication connection with the control module and is used for being in communication connection with an external terminal;
and the power supply module is electrically connected with the driving motor, the control module and the communication module.
Further preferably, the driving motor includes: a drive motor, a transmission assembly; wherein, the output shaft of the driving motor is connected with the piston rod through a transmission assembly.
Further preferably, the transmission assembly comprises a driving gear connected with the output shaft, a driven gear connected with the piston rod and matched with the driving gear, and a driving member connected with the driven gear and used for driving the piston rod to move linearly.
Further preferably, the driving motor is a push rod motor, and a push rod of the push rod motor is connected with the piston rod.
Further preferably, the control module comprises: the drive motor is arranged in the shell, the shell is provided with a main control circuit board, a main control chip and a memory, wherein the main control circuit board is arranged in the shell, the main control chip is arranged on the main control circuit board and is electrically connected with the drive motor, and the memory is electrically connected with the main control chip and the main control circuit board.
Further preferably, the communication module comprises: any one or the combination of bluetooth transmission module, WIFI transmission module, 2G communication module, 3G communication module, 4G communication module, 5G communication module.
Further preferably, a cavity is opened in a partial region of the side wall of the housing along a radial direction thereof for disposing the control module.
Further preferably, the outer side wall of the shell has a partial area which is inwards concave along the radial direction to form a groove body; the injection device also comprises a clamping piece which is mutually clamped with the groove body, and the clamping piece is provided with the communication module.
Preferably, after the clamping piece and the groove body are clamped with each other, the communication module is electrically connected with the control module.
Further preferably, the groove body is an annular groove or a part of the annular groove, which is opened along the circumferential direction of the housing.
Further preferably, the groove is formed in one end of the housing and faces away from the needle cylinder.
Further preferably, the engaging piece is matched with the groove body and protrudes and extends outward along the radial direction of the shell.
Further preferably, the groove body is an annular groove; the clamping piece is a lantern ring.
Further preferably, the collar comprises: the lantern ring comprises a lantern ring body and a convex part connected with the lantern ring body; the bulge is provided with a charging interface electrically connected with the communication module.
Further preferably, the collar body has a portion that is convex along its radial direction toward the outside to form the boss.
Further preferably, the charging interface is a USB interface.
Further preferably, the USB interface is a TypeC interface.
Further preferably, the communication module is arranged in the protruding portion.
Preferably, the communication module is any one or a combination of a 2G communication module, a 3G communication module, a 4G communication module and a 5G communication module; the convex part is also provided with a bayonet for inserting an SIM card and electrically connecting with the communication module; and after the card port is inserted into the SIM card, the SIM card is read by the communication module.
Preferably, the engaging member further includes a power supply module electrically connected to the communication module.
Further preferably, the engaging member is provided with a first groove; the power supply module is arranged in the first groove; the clamping piece is also provided with a second groove; the communication module is arranged in the second groove.
Further preferably, the first groove is formed in the collar body of the engaging member; the second groove is formed in the protruding portion of the clamping piece.
Further preferably, the power supply module includes: the lithium battery and the power supply circuit are electrically connected with the communication module and are used for electrically connecting the lithium battery.
Further preferably, the bottom of the groove body is provided with a part of grooves to form positioning grooves; the clamping piece is provided with a clamping part for being inserted into the positioning groove.
Preferably, the engaging portion is provided with three metal bumps electrically connected to the communication module, and the three metal bumps correspond to the cathode, the anode and the ground respectively; the constant head tank be equipped with be used for with the metal bump corresponds the positioning hole of joint, just positioning hole with the control module electricity is connected.
Further preferably, the bottom of the groove body is provided with a part of bulges to form a positioning part; the clamping piece is provided with a clamping groove for inserting the positioning part.
Preferably, the positioning part is provided with three metal bumps electrically connected with the control module, and the three metal bumps correspond to the cathode, the anode and the ground pole respectively; the clamping groove is provided with a positioning through hole used for being clamped with the metal salient point correspondingly, and the positioning through hole is electrically connected with the communication module.
Compared with the prior art, the injection dosage of the medicine can be accurately controlled.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: the structure of the injection device in the first embodiment of the invention is shown schematically;
FIG. 2: an exploded view of the injection device in the first embodiment of the invention;
FIG. 3: the structure of the engaging member in the first embodiment of the present invention is schematically illustrated;
FIG. 4: a top view of the injection device in a first embodiment of the invention;
FIG. 5: a cross-sectional view taken along the plane a-a in fig. 4;
FIG. 6: a block diagram of the system modules of the injection device in the first embodiment of the present invention;
FIG. 7: a schematic representation of the operation of the injection device according to the first embodiment of the invention;
FIG. 8: a further schematic representation of the operation of the injection device according to the first embodiment of the invention;
FIG. 9: a schematic view of an injection device according to a second embodiment of the present invention;
description of reference numerals: the device comprises a shell 1, a needle cylinder 2, a piston rod 3 and a groove body 11; a positioning groove 111; base station 22, positioning via 1111; the clamping piece 4, the lantern ring body 41, the protruding portion 42, the positioning portion 43, the charging interface 44, the metal bump 431, the key 5, the driving motor 6, the control module 7, the communication module 8, the power supply module 9 and the terminal 10.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Example one
As shown in fig. 1 to 8, a first embodiment of the present invention provides an injection device, which mainly comprises a housing 1 with a cavity, a syringe 2, a piston rod 3 for squeezing the inner space of the syringe 2, a driving motor 6, a control module 7, a communication module 8, a power supply module 9, and the like.
The drive motor 6 is arranged in the cavity of the shell 1, connected with the piston rod 3 and used for driving the piston rod 3 to extrude the needle cylinder 2;
the control module 7 is in communication connection with the driving motor 6;
the communication module 8 is in communication connection with the control module 7 and is used for being in communication connection with an external terminal 10;
and the power supply module 9 is electrically connected with the driving motor 6, the control module 7 and the communication module 8.
The above results show that: because injection device is equipped with driving motor 6, control module 7, communication module 8, power module 9 etc to communication module 8 and external terminal 10 communication connection, for example the cell-phone, consequently accessible external terminal 10 can control driving motor 6's operation, thereby the displacement distance of accurate control piston rod 3, and then the injection dosage of accurate control medicine. Meanwhile, the injection device can transmit relevant information of real-time injection, such as injection time, storage time of the medicine, the dose of the injected medicine, residual dose and the like, to the terminal 10 through the communication module 8, and the information and the relevant information, such as the current location of the terminal 10, namely the injection location of the injection device and the like, are stored in a corresponding background server through the terminal 10, so that tracking and management of medicine injection of the injection device are facilitated.
In addition, the control module 7 can also control the driving motor 6 to reversely drive the piston rod 3 to return to the initial position after the injection is finished, so that the injection device can be conveniently refilled with the medicine into the needle cylinder 2 or continuously used after the needle cylinder with the medicine is replaced before or after the subsequent use, the injection device does not need to be discarded after being used once, the resources are saved, and the use cost of a user is reduced.
Specifically, the operation principle of the external terminal 10 in the present embodiment, for example, a mobile phone is as follows: as shown in fig. 7, the user can input corresponding parameter information, such as dosage of medicine, through logging in the APP on the mobile phone or a related webpage, and after receiving the parameter information, the terminal 10 transmits the parameter information to the main control module through the communication module 8 in the injection device, and then the main control module of the injection device calculates the operating parameters of the driving motor 6 according to the parameter information, so as to accurately control the moving distance of the piston rod 3 under the action of the driving motor 6. Here, it should be noted that the terminal 10 in this embodiment may be a mobile phone, or may be other devices such as a tablet computer, and is not limited to and described in detail herein.
In detail, in this embodiment, after the terminal 10 receives the parameter information input by the user, such as the dosage of the medicine, the terminal 10 processes the parameter information to obtain corresponding information, for example, the corresponding information is converted into the operation parameter information of the driving motor 6, for example, if the driving motor 6 is a driving motor, the rotation speed and the number of turns of the driving motor 6 are converted, if the driving motor 6 is a push rod motor, the corresponding information is converted into corresponding information, such as the moving distance of the push rod, and then the corresponding information is sent to the injection device, and the injection device receives the corresponding information through the communication module 8, and the main control module controls the operation of the driving motor 6 according to the corresponding information, such as the rotation speed and the number of turns of the driving motor 6, or the moving distance of the push rod. Obviously, in the present embodiment, the terminal 10 may directly send the received parameter information to the injection device, and the control module 7 in the injection device processes the parameter information to obtain corresponding information, so as to control the operation of the driving motor 6 according to the obtained corresponding information, such as the rotation speed and the number of turns of the driving motor 6, or the moving distance of the push rod. Accordingly, the present embodiment is not specifically limited or illustrated as to whether the parameter information is processed on the terminal 10 or the injection device.
In addition, it is worth mentioning that the injectable medicine of the injection device of the present embodiment is an injectable medical medicine such as insulin, epinephrine, anesthetic, and the like.
Specifically, as shown in fig. 5 and 6, the present embodiment further includes a key 5, and one end of the key 5 is inserted into the housing 1. When the key 5 is pressed down, the circuit between the driving motor 6 and the power supply module 9 is conducted, and an electrical connection is formed, that is, the driving motor 6 is started. The injection device is rapidly started through the keys, so that the use of a user is facilitated, and meanwhile, the protection effect is achieved through the keys, so that the situation that the injection device immediately starts the driving motor after receiving the information and sufficient preparation time is not provided for the user is avoided.
Further preferably, as shown in fig. 9, the driving motor 6 may be a driving assembly configured by a driving motor, a transmission assembly, and the like. Wherein the output shaft of the drive motor is connected with the piston rod 3 through a transmission assembly. By cooperation of the drive motor and the gearing assembly, a movement of the piston rod 3, i.e. a squeezing of the medicament in the cartridge 2, is achieved.
Further preferably, the transmission assembly may be composed of a driving gear connected to the output shaft, a driven gear engaged with the driving gear, a driving member 21 connected to the driven gear and used for driving the piston rod 3 to move linearly, and the like. It should be noted, however, that the transmission assembly in this embodiment may also be implemented by a single gear or a plurality of gears cooperating with each other to drive the driving member 21 to move the piston rod 3 linearly.
In detail, the driving member 21 in this embodiment is rotatably disposed in the housing 1, for example: take screwed drive sleeve, wherein, this drive sleeve's inside is hollow structure, and has seted up the screw thread on the drive sleeve's the inner wall, has carved with the cooperation screw thread on the piston rod 3, when driving piece 21 rotated under driven gear's effect for piston rod 3 makes linear motion towards cylinder 2.
Further preferably, the driving motor 6 may also be a push rod motor, and a push rod of the push rod motor is connected with the piston rod 3. In addition, it should be noted that a sensor may be further disposed in the housing 1 of the present embodiment for sensing the moving distance of the piston rod 3, so as to ensure that the moving distance of the piston rod 3 conforms to the actual designed distance. In addition, the precise control of the moving distance of the piston rod 3 can also be realized through the cooperation of the sensor and the driving motor 6. Obviously, the driving motor 6 of the present embodiment may also be directly connected to the sleeve through the output shaft thereof, and is not specifically limited and described herein.
Further preferably, the control module 7 may be composed of a main control circuit board disposed in the housing 1, a main control chip disposed on the main control circuit board and electrically connected to the driving motor 6, a memory electrically connected to the main control chip and the main control circuit board, and the like.
Further as preferred, in order to satisfy actual design and information transmission demand, communication module 8 can be by any one or their combination in communication module 8 such as bluetooth transmission module, WIFI transmission module, 2G communication module, 3G communication module, 4G communication module, 5G communication module.
Further preferably, a partial area of the sidewall of the housing 1 is opened with a cavity (not shown in the figure) along the radial direction thereof for disposing the control module 7. Obviously, the control module 7 in the present embodiment may also be disposed in a cavity inside the housing 1, which is not specifically limited and illustrated.
Further preferably, as shown in fig. 2, the outer side wall of the housing 1 has a partial region which is recessed along the radial direction thereof to form a groove 11; the injection device also comprises a clamping piece 4 which is mutually clamped with the groove body 11, and the clamping piece 4 is provided with a communication module 8. By installing the communication module 8 on the engaging member 4, the assembly is facilitated, the thickness of the housing 1 can be reduced, the installation of the control module 7 and other components inside the housing 1 is facilitated, and the overall thickness of the injection device is reduced. It should be noted that, the engaging member 4 and the groove 11 in this embodiment may also be integrally formed, that is, the engaging member 4 is welded to the groove 11 to realize the connection between the engaging member 4 and the housing 1. The housing 1 in the present embodiment is preferably a hollow cylindrical structure.
Further preferably, after the engaging piece 4 and the tank body 11 are engaged with each other, the communication module 8 is electrically connected to the control module 7.
Further preferably, the groove body 11 is an annular groove or a part of an annular groove opened along the circumferential direction of the housing 1. So as to meet the design requirements of the assembly of the engaging pieces 4 with different shapes and the internal design requirements of the shell 1.
Further preferably, the groove 11 opens at one end of the housing 1, facing away from the needle cylinder 2. So that the user can conveniently sleeve the clamping piece 4 from one end of the shell 1, and the operation is convenient.
Further preferably, the engaging piece 4 is fitted to the groove 11 and protrudes outward in the radial direction of the housing 1. To increase the volume of the engaging member 4, thereby facilitating accommodation of the communication module 8 and other parts.
Further preferably, as shown in fig. 2, the groove body 11 is an annular groove; the clamping piece 4 is a lantern ring so as to be convenient for clamping and disassembling between the clamping piece 4 and the groove body 11 and convenient for a user to use.
Further preferably, the collar is mainly constituted by the collar body 41, a boss connected to the collar body 41, and the like. Wherein the projection may be formed by a portion of the collar body 41 being convex toward the outside in the radial direction thereof.
Further preferably, as shown in fig. 8, a communication module 8 is provided in the protruding portion. Preferably, the communication module 8 is any one or a combination of a 2G communication module, a 3G communication module, a 4G communication module and a 5G communication module; the protruding portion may also be provided with a bayonet (not shown) for inserting the SIM card and electrically connecting with the communication module 8. Wherein, after the bayonet socket inserted the SIM card, the SIM card was read by communication module 8, realized being connected of injection device and internet, was connected with terminal 10 through the basic station 22 who connects the internet simultaneously to realize the terminal and be connected the remote control of injection device to a plurality of injection device's networking in the thing networking and use. Moreover, the structure can not only reduce the volume of the communication module 8, but also realize the remote transmission control of the injection device by means of the communication module 8. In addition, the communication module 8 may also be any one or a combination of a 2G communication module, a 3G communication module, a 4G communication module, and a 5G communication module without reading the SIM card.
Further preferably, as shown in fig. 6, a power supply module 9 electrically connected to the communication module 8 is further provided inside the engaging piece 4. In this way, the engaging member 4 can perform not only the function of supplying power but also the function of transmitting information. Before using the injection device, a user can take the clamping piece 4 to charge or clamp the charged clamping piece 4 with the groove body 11, so that the control module 7 and the driving motor 6 in the injection device can be powered, the whole injection device does not need to be charged, the use of the user is facilitated, and in addition, the drug in the injection device is prevented from being invalid due to long charging time when the injection device is directly charged. In addition, the medicine in the injection device needs to be refrigerated or used at low temperature, so that direct charging is adopted, and the injection device is inconvenient.
Obviously, the engaging member 4 can be provided with a first groove (not shown) for placing the power module 9 and a second groove (not shown) for placing the communication module 8.
Further preferably, the first groove is opened on the collar body 41 of the engaging piece 4; the second groove is opened on the convex part of the clamping piece 4. In this embodiment, the present invention is not specifically limited and described in detail. The first groove can be preferably an arc-shaped groove formed along the circumferential direction of the lantern ring, so that the space is fully utilized, and the thickness of the lantern ring is reduced. Obviously, the first groove and the second groove may both be opened on the collar body 41, and this embodiment is not particularly limited and illustrated.
Further preferably, the power supply module 9 may be configured by a lithium battery, a power supply circuit electrically connected to the communication module 8 and electrically connected to the lithium battery, and the like. It should be noted that the power supply module 9 in this embodiment may also be disposed in the cavity of the casing 1, or partially disposed in the engaging member 4, for example, one battery and a power supply circuit electrically connected to the communication module 8 and electrically connected to a lithium battery are disposed on the casing 1 or in the cavity of the casing 1, and the other battery is disposed in the engaging member 4. Thus, it can be seen that: the injection device is charged through the clamping piece 4, the electric quantity of the injection device is increased, and the working time of the driving motor 6 is prolonged. Note that the power supply module 9 in this embodiment is not limited to the use of a lithium battery, and other batteries with a small volume and a large capacity may be used.
Further preferably, as shown in fig. 2, a part of the groove at the bottom of the groove body 11 forms a positioning groove 111; the engaging piece 4 is provided with an engaging portion for inserting into the positioning groove 111. The positioning groove 111 and the clamping part are clamped in a limiting manner, so that the circuit can be conducted after the clamping piece 4 is clamped with the groove body 11 conveniently, and the electric connection is realized.
Further preferably, as shown in fig. 2, the engaging portion is provided with three metal bumps 431 electrically connected to the communication module 8, and the metal bumps correspond to the cathode, the anode and the ground respectively; the positioning slot 111 is provided with a positioning through hole 1111 for being correspondingly clamped with the metal bump 431, and the positioning through hole 1111 is electrically connected with the control module 7. Through the mutual cooperation between the metal bump 431 and the positioning through hole 1111, not only can the electrical connection be realized, but also the physical clamping connection can be realized, and the clamping piece 4 and the groove body 11 are prevented from falling off after being assembled.
Obviously, the bottom of the trough body 11 may be partially raised to form the positioning part; the engaging piece 4 is provided with an engaging groove for inserting the positioning portion. The circuit can be conducted and the electrical connection can be realized after the clamping piece 4 is clamped with the groove body 11 conveniently through the limiting clamping between the clamping groove and the positioning part 43. Wherein, the positioning part is provided with three metal salient points which are electrically connected with the control module 7 and respectively correspond to the cathode, the anode and the earth pole; the clamping groove is provided with a positioning through hole which is used for being correspondingly clamped with the metal salient point, and the positioning through hole is electrically connected with the communication module 8. Through the mutual cooperation between the metal salient points and the positioning through holes, not only can the electric connection be realized, but also the physical clamping connection can be realized, and the clamping piece 4 and the groove body 11 are prevented from falling off after being assembled. Therefore, the present embodiment is not particularly limited or described with respect to whether the positioning portion is provided on the engaging piece 4 or in the groove body 11. Here, it should be noted that the positioning through hole 111 in the present embodiment may also be a metal groove or the like.
In addition, it should be noted that the positioning through hole 1111 for connecting to the ground may also be used as a data interface to realize signal data transmission between the communication module 8 and the control module 7. In addition, in this embodiment, a positioning through hole 111 may be separately added to serve as a separate data interface, so as to implement signal data transmission between the communication module 8 and the control module 7. Therefore, in the present embodiment, no specific limitation or explanation is made as to whether the number of the positioning through holes 111 is three, four, or the number thereof.
Example two
As shown in fig. 9, the second embodiment of the present invention also provides an injection device, which is a further improvement of the first embodiment described above, wherein: the convex part of fastener 4 is equipped with the interface 44 that charges that is connected with communication module 8 electricity. Thus, not only information can be transmitted to the injection device by means of the communication module 8 via the collar, but also the injection device can be supplied or supplementarily supplied with power by means of the charging interface 44.
Here, the charging interface 44 in the present embodiment is not limited to being provided on the engaging piece 4, and may be provided at another portion of the housing 1, and electrically connected to the communication module 8 to supply power or auxiliary power to the injection device, that is, to supply power to the control module 7, the drive motor 6, the power supply module 9, and other components.
In particular, further preferably, the charging interface 44 is a USB interface. The charging interface 44 not only can perform a charging function, but also can perform a communication and information transmission function. The USB interface is preferably a TypeC interface, so as to facilitate plugging and unplugging of the charging interface 44.
Further preferably, any one of a 3G communication module, a 4G communication module and a 5G communication module is preferably arranged in the protruding portion, and each communication module is built in or does not need to be inserted with a SIM card, so that communication connection can be established with an external server, and operation of injection, tracking and management of medicines and the like can be realized without using a terminal.
In addition, it should be noted that each of the above-mentioned further preferable solutions of the present embodiment is added or modified according to actual situations to solve the corresponding technical problems, so that the parts and structures related thereto are not necessary for how to simplify the structure of the injection device and achieve the technical problem of precise release control of the piston rod 3, and can be set according to actual situations, and the present embodiment is not specifically limited and described herein.
The above embodiments are merely to illustrate the technical solution of the present invention, not to limit the same, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it is intended to cover the appended claims.

Claims (19)

1. An injection device comprising: casing, syringe, be used for extrudeing with the cavity piston rod of syringe inner space, its characterized in that includes:
the driving motor is arranged in the cavity, is connected with the piston rod and is used for driving the piston rod to extrude the needle cylinder;
the control module is in communication connection with the driving motor;
the communication module is in communication connection with the control module and is used for being in communication connection with an external terminal;
and the power supply module is electrically connected with the driving motor, the control module and the communication module.
2. The injection device of claim 1, wherein the drive motor comprises: a drive motor, a transmission assembly; wherein, the output shaft of the driving motor is connected with the piston rod through a transmission assembly.
3. The injection device as defined in claim 2, wherein the transmission assembly comprises a driving gear connected to the output shaft, a driven gear connected to the piston rod and engaged with the driving gear, and a driving member connected to the driven gear for driving the piston rod to move linearly.
4. The injection device of claim 1, wherein the communication module comprises: any one or the combination of bluetooth transmission module, WIFI transmission module, 2G communication module, 3G communication module, 4G communication module, 5G communication module.
5. The injection device as set forth in claim 1, wherein a partial region of the side wall of the housing is opened with a cavity along a radial direction thereof for disposing the control module.
6. An injection device as claimed in any one of claims 1 to 5, wherein the outer side wall of the housing has a portion which is recessed radially inwardly to form a channel; the injection device also comprises a clamping piece which is mutually clamped with the groove body, and the clamping piece is provided with the communication module.
7. The injection device as claimed in claim 6, wherein the communication module is electrically connected to the control module after the engaging member and the housing are engaged with each other.
8. An injection device as claimed in claim 7, wherein the channel is an annular channel or part of an annular channel provided along the circumference of the housing.
9. The injection device as defined in claim 8, wherein the groove is provided at one end of the housing and faces away from the cylinder.
10. The injection device as defined in claim 7, wherein the engaging member is fitted to the groove and protrudes outward in a radial direction of the housing.
11. The injection device as defined in claim 7, wherein the channel is an annular channel; the clamping piece is a lantern ring.
12. The injection device of claim 11, wherein the collar comprises: the lantern ring comprises a lantern ring body and a convex part connected with the lantern ring body; the bulge is provided with a charging interface electrically connected with the communication module.
13. The injection device as defined in claim 12, wherein said collar body has portions thereof that are raised radially outwardly thereof to form said bosses; the communication module is arranged in the protruding part.
14. The injection device as defined in claim 13, wherein the protrusion is further provided with a bayonet for inserting a SIM card and electrically connecting with the communication module; and after the card port is inserted into the SIM card, the SIM card is read by the communication module.
15. The injection device as claimed in any one of claims 7 to 14, wherein the power supply module electrically connected to the communication module is further disposed inside the engaging member.
16. The injection device as defined in claim 15, wherein the engaging member defines a first groove; the power supply module is arranged in the first groove; the clamping piece is also provided with a second groove; the communication module is arranged in the second groove; the first groove is formed in the lantern ring body of the clamping piece; the second groove is formed in the protruding portion of the clamping piece.
17. The injection device of claim 15, wherein the power module comprises: the lithium battery and the power supply circuit are electrically connected with the communication module and are used for electrically connecting the lithium battery.
18. The injection device as claimed in any one of claims 6 to 17, wherein the bottom of the channel has a partial recess forming a detent; the clamping piece is provided with a clamping part for being inserted into the positioning groove; the clamping part is provided with three metal salient points which are electrically connected with the communication module and respectively correspond to the cathode, the anode and the ground; the constant head tank be equipped with be used for with the metal bump corresponds the positioning hole of joint, just positioning hole with the control module electricity is connected.
19. The injection device as claimed in any one of claims 6 to 17, wherein the bottom of the channel has a part protruding to form a positioning part; the clamping piece is provided with a clamping groove for inserting the positioning part; the positioning part is provided with three metal salient points which are electrically connected with the control module and respectively correspond to a cathode, an anode and a ground pole; the clamping groove is provided with a positioning through hole used for being clamped with the metal salient point correspondingly, and the positioning through hole is electrically connected with the communication module.
CN202010754255.2A 2019-07-30 2020-07-30 Injection device Active CN112057705B (en)

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CN106999665A (en) * 2014-12-03 2017-08-01 诺和诺德股份有限公司 Medicament delivery device with air security feature in cylinder
CN109876201A (en) * 2019-03-07 2019-06-14 杭州百桥医疗技术有限公司 A kind of suction of autologous fat, purifying, precisely injection and safety monitoring system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6482185B1 (en) * 1999-03-17 2002-11-19 B. Braun Melsungen Ag Injection device comprising a pen
CN102740907A (en) * 2009-12-01 2012-10-17 赛诺菲-安万特德国有限公司 Device and method for delivery of two or more drug agents
CN104519931A (en) * 2012-08-10 2015-04-15 赛诺菲-安万特德国有限公司 Pen-type drug injection device and electronic add-on monitoring module for monitoring and logging dose setting and administration
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