WO2010009648A1 - Medical injection pump - Google Patents

Medical injection pump Download PDF

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Publication number
WO2010009648A1
WO2010009648A1 PCT/CN2009/072616 CN2009072616W WO2010009648A1 WO 2010009648 A1 WO2010009648 A1 WO 2010009648A1 CN 2009072616 W CN2009072616 W CN 2009072616W WO 2010009648 A1 WO2010009648 A1 WO 2010009648A1
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WO
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Application
Patent type
Prior art keywords
pump
medical
actuator
controller
core
Prior art date
Application number
PCT/CN2009/072616
Other languages
French (fr)
Chinese (zh)
Inventor
罗七一
王勤
曾志海
刘宇程
杨平中
Original Assignee
微创医疗器械(上海)有限公司
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

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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
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/14244Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • 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

Abstract

A medical injection pump comprises a controller (1), an executer (2), a pump core (3) and an medicine reservoir (4) communicated with the input channel of the pump core (3) for storing a liquid medicine, as well as an indwelling needle (5) communicated with the output channel of the pump core (3). The executer (2) controls the pump core (3) to inject the liquid medicine via the indwelling needle (5) according injection orders sent by the controller (1).

Description

BACKGROUND A medical injection pump

The present invention relates to micropumps, and particularly relates to a medical infusion pump. Background technique

Conventional medical injection pump comprising a pump and an insulin pump, a syringe pump analgesia.

Existing insulin pumps is the best way to treat diabetes, but due to existing insulin pump prices are too expensive, most diabetics there is no access to this advanced treatment for effective treatment.

Figure 1 is an exploded view of the composition of the existing insulin pumps. Conventional insulin pump by an electric motor 101 through the transmission means 102 drives the lead screw 105 rotates, the yarn with the female parent Gansi by wire 106 to move axially to drive the syringe 103 and piston 104 will be output to liquid infusion syringe mating in. Further conventional insulin pump housing is provided on the display 107 and a keyboard 109 108. Traditional power section except for using an insulin pump motor 101, there are used escapement.

FIG 2 is a block diagram of conventional insulin infusion pumps used. Conventional insulin infusion pumps generally by the fitting 111, line 112 and catheter 113 composed of a connector 111 is connected to the syringe pump 103, catheter 113 inserted into the human skin. Some infusion line 112 broken into two parts, the intermediate switching device 114. The effect of the switching device is turned off the pump and indwelling needle, for applications such as bathing and the like.

When a conventional insulin pump action will chemical liquid injector 103 by the infusion catheter 113 via line 112 into the human skin.

Due to the presence of the catheter, to bring a lot of inconvenience to people with diabetes during use.

Therefore, how to provide a more convenient for patients to use medical injection pump, a person skilled in the technical problem to be solved. SUMMARY

Object of the present invention is to provide a medical infusion pump, used for the convenience of patients.

To solve the above problems, the present invention provides a medical infusion pump, the medical infusion pump includes a controller, actuators, pumps and the pump core and core input channels for communicating the medicine storage Nang liquid, and the output channel pump cartridge in communication indwelling needle;

The actuator according to the injection command sent by the controller controlling the pump core by the indwelling needle injecting the liquid.

Preferably, the actuator is further configured to receive the clock calibration command sent by the controller. Means in communication.

Preferably, the medical infusion pump includes a display unit coupled to the controller. Preferably, said controller means coupled to the controller input receiving the command injection.

Preferably, said input means is a keyboard or a particular touch screen or a computer. Preferably, the medical infusion pump further comprising a fault detection means coupled to said actuator, for detecting the operating condition of the actuator, and the result is fed back to the controller through the wireless communication unit.

Preferably, the pump core is specifically a piezoelectric ceramic pump cartridge.

Preferably, the medical injection pump further comprises a pressure sensor coupled to the actuator for sensing the use of the indwelling needle of the pressure.

Preferably, the medical infusion pump further comprising a storage unit that stores a preset pressure / flow table for the actuator and connected to said pressure sensor.

Preferably, the actuator pressure is measured based on the current value of the pressure sensor to check the pressure / flow control amount calculation table.

Preferably, the storage unit stores said pump core and the accumulated operation time indwelling needle.

Preferably, the medical injection pump further comprises a high voltage divider connected to said actuator, said high voltage divider is connected to the high voltage generator, high voltage generator to receive the high voltage signal, is converted to the desired pump element AC signal.

Preferably, the high voltage generator is connected to the high voltage step-up transformer and rectifier through the dispenser. Preferably, the high voltage divider comprises four transistors.

Preferably, the medical syringe pump further comprising an external memory connected to said actuator, said device for recording information performed.

Preferably, the controller and the actuator are implemented using chip or microcontroller. Preferably, the medical infusion pump further comprises an alarm device connected to the controller. Preferably, the medical injection pump further comprises a current / voltage detection circuit connected to the actuator.

Preferably, the medical infusion pump is an insulin pump or analgesia.

Compared with the prior art described above, the medical cases comprises a syringe pump controllers, actuators, and drug Nang pump core, the core and the indwelling needle in communication with the pump of the embodiment of the present invention. The controller is capable of receiving a user's instruction, and transmits the instruction after conversion to the actuator; the actuator according to an instruction of the controller after converting, controlling operation of the pump core, so that the the drug solution in the drug core by the pump reaches Nang indwelling needle of the injectable. The user can easily and accurately controlling the injection operation of the actuator by the controller. Since the drug through the pump and Nang indwelling needle core and communicating directly, without the use of a catheter, the actuator may be sticking to the skin surface, the patient's convenience. BRIEF DESCRIPTION

FIG 1 is a component exploded view of a conventional insulin pump;

FIG 2 is a configuration diagram of the conventional insulin infusion pump used;

FIG 3 is a working diagram of the present invention the medical injection pump first embodiment;

FIG 4 is a pressure pump of the present invention, the piezoelectric ceramic / flow control curves;

5 is a schematic diagram of a first embodiment of the actuator of the present invention;

FIG 6 is a circuit diagram illustrating a first embodiment of the controller of the present invention;

7 is a configuration diagram of a first embodiment of the controller of the present invention;

FIG 8 is an exploded view of the structure of the controller shown in Figure 7;

FIG 9 is a block diagram of the control circuit according to the present invention;

FIG 10 is an external view of the actuator of the embodiment of the present invention;

11 is a schematic exploded view of the embodiment of the actuator embodiment of the present invention; FIG. 12 is a circuit block diagram of an embodiment of the present invention is performed. detailed description

The present invention provides a medical infusion pump, used for the convenience of patients.

In order to enable those skilled in the art a better understanding of the invention, The present invention will be described in further detail in conjunction with accompanying drawings and specific embodiments.

Working Example Referring to Figure 3 graph, the graph of the present invention, the medical injection pump first embodiment. The first embodiment of the present invention the medical infusion pump, comprising a controller 1, an actuator 2, a pump 3 and die core 3 and the pump input channel in communication Nang for storing liquid medicine 4, and with said pump core output channel 3 communicating indwelling needle 5.

Wherein the drug Nang 4, the pump 3 and the core catheter 5 may be fabricated as a whole, constitute disposable supplies. When the liquid medicine runs out Nang 4 or pump core 3 reaches the preset maximum number of times used, the user can replace the whole of the disposable consumables. This will better ensure the accuracy of mutual cooperation between the drug Nang 4, pump core catheter 3 and 5.

The controller 1 receives an injection command, and the command into the second identification injection actuator commands to the actuators 2.

Referring to FIG. 7 and FIG. 8, FIG. 7 is a configuration diagram of a first embodiment of the controller of the present invention; FIG. 8 is an exploded view of the structure of the controller 7 shown in FIG.

The controller of the first embodiment of Example 1 of the present invention may include a keyboard mask 310, upper housing 311, a display 312, a circuit board 313, the lower case 314, the battery 316, the battery cover 315.

The controller 1301 to achieve appropriate control input through a keyboard.

Insulin pumps need to be interactive, while the man-machine dialogue means requires a large display and keyboard, if the actuator is mounted on the skin surface of the patient sticking, so that the large volume of the actuator, the patient and inconvenient operation. Therefore, the man-machine dialogue device is disposed on the controller to address the issue.

Referring to FIG. 10 and FIG. 11, FIG. 10 is an external view of the actuator of the embodiment of the present invention; FIG. 11 is a configuration diagram of an explosion of the actuator embodiment of the present invention.

Example embodiments of the present invention, the actuator 2 may include a protective cover 411, the upper housing 412, lower housing 415, holder 414, circuit board 413, a battery 419 consisting of a first part of the same. Example embodiments of the present invention, the actuator 2 may further comprise a drug Nang 4, pump core 3, catheter 5, the sensor circuit 418 consisting of disposable consumables.

The disposable consumables can be replaced, inserted and fastened by bracket 414 secured within.

Embodiments of the invention the indwelling needle 5 mounted directly on the pump core, the core of the pump 3 sticking on the patient's skin. Both in conventional insulin pump volume and weight it is difficult to meet the pump sticking requirements on human skin.

Embodiment of the invention the actuator 2, the syringe 4 is changed to Nang drug, the volume is reduced by half. The conventional syringe pump motors, and lead screw nut reducer achieve the functions implemented by the pump core 3 can be reduced more than 80% by volume and weight. DETAILED pump core 3 may be used a piezoelectric ceramic pump cartridge.

Human-machine dialog through the second display device 312 and a second keypad installed on the controller 1, 301 is provided to achieve. The controller uses a remote control manner of the actuator 2, so that the volume of sticking to the actuator body is not affected by man-machine dialogue means. The medical pump of the present invention as compared with conventional insulin injection pumps, size and weight is reduced by 2/3 to meet the requirements of sticking to the human skin.

The actuator according to the controller 1 transmits a command for injection of the core 3 by controlling the pump 5 of the indwelling needle injecting the liquid.

The use of soft drugs Nang 4 may be medical material made of a high polymer, the drug Nang 4 need to ensure a good sealing effect and corrosion resistance.

In the liquid medicine can Nang 4 and the pump core 3, fed to the input channel of the liquid pump element 3, is transmitted to the output channel 3 via a pump core, and through the output channel of the pump is connected to the core 3 through the indwelling injection needle 5 to the patient.

The core 3 comprises a pump actuating means for performing a corresponding operation according to the command of the actuator 2, and the reservoir cavity of the actuating variable space formed between the apparatus and the pump body, the chamber connected to the reservoir input channels and output channels. Said input channels in the input check valve, the check valve is provided at the output of the output channel. The drug Nang core 4 and the pump 3 through the input channel is connected to the indwelling needle of the core 5 and the pump output passage in communication.

The pump cartridge actuation device 3 according to the injection command transmission actuator 2, a control to open the inlet check valve, the check valve closes the output, so that the liquid medicine Nang 4 inputted to the reservoir cavity within the pump core 3 . Control then close the inlet check valve, the check valve opens the output, so that the liquid through the output check valve of the reservoir cavity injected into the patient through catheter 5.

The actuating means may specifically be implemented using a piezoelectric ceramic sheet. The pump upper body defines a mounting groove for mounting the piezoelectric ceramic sheet.

To save space, the pump may be designed as a cylindrical core 3, 4 may be designed to drug Nang annular shape slightly larger than the inner diameter of the outer diameter of the pump core 3.

As described in the first embodiment of the present invention, when a medical infusion pump for injecting insulin and analgesics, the indwelling needle 5 can be inserted into the patient for long periods state. When the need for liquid drug injection, only the injection signal needs to be converted into pump cartridge 3 can be recognized by the controller 1 transmits an injection command to the actuator 2, and then through the injection command to the actuator 2, thereby controlling the pump core 3 actuating means for performing a corresponding operation, the injectable indwelling needle 5 to the patient.

Examples of the working process of the first embodiment of the medical infusion pump of the present invention:

The controller receives user instruction 1 and the instruction 2 is converted into a command can be identified, is sent to the actuator 2.

2 command controller 1 transmits the converted signal to the injection pump of the core 3 can be identified, controlling the pump 3 performs a corresponding core operation.

3 by a corresponding operation of the pump core, so that liquid injection catheter 5 to the user.

The first embodiment of the present invention capable of receiving user commands the controller according to the medical infusion pump 1, and the instructions transmitted after conversion to the actuator 2. Actuator according to a controller command conversion, the signal is converted to an injection pump of the core 3 can be recognized, the control operation of the pump cartridge 3. 3 by the operation of the pump core liquid injection control indwelling needle 5. A user can conveniently controller, accurately control the injection operation of the indwelling needle 5. Since the medicine and in direct communication with the pump 4 Nang core 3, and the core 3 and the pump 5 is directly connected through the catheter without the use of a catheter, the patient's convenience.

In order to facilitate the use of the patient, the controller 1 may be in communication through the wireless transceiver unit of the actuator with the wireless communication unit. The controller 1 may be similar to a remote control signal transmitting means for triggering the actuator 2 performs the corresponding command, and may receive a respective feedback actuator 2. In order to facilitate control of the user, the controller 1 through the display unit may be connected to the controller 1, the display controller injection instructions.

The display unit may be embedded in a concrete surface of the display controller, the display controller 1 through the control interface display.

Of course, the controller 1 by a user's instruction input receiving means connected to the controller 1, the specific instruction may be an injection, clock adjustment instruction, the instruction set solution concentration, infusion curve instruction set, the temporary closure of the output Note instruction, display the history directives.

Specifically refers to injection instruction command injection catheter 5 transmits to the control actuators 2 controller 1.

2 need to perform the specific time interval of the controller 1 transmits a control claim 5 indwelling needle injection. Therefore, the actuator 2 clock accuracy is important.

When the clock deviation of the actuator 2, the controller needs to send an instruction clock for the clock adjustment to adjust the actuator 2 to the actuator 2.

Since the concentration of chemical treatment directly affects the patient's condition, the controller may transmit a chemical agent in a concentration of 5 Nang setting instructions for setting the solution concentration to the actuator 2.

And the user may be provided a medical infusion syringe pump curve and base curve amount of infusion, the infusion can also send instructions to the curve 2 is performed by the controller 1. Actuator 2 will be the basis of the amount of infusion for 24 hours in accordance with the amount of the base curve infusion.

When the user wants to stop the injection at a time, the controller 1 can transmit an instruction to temporarily turn off the infusion actuator 2.

When a user wants to query execution history data is 2, the controller 1 can transmit an instruction to display the history of the actuator 2.

The input device may be integrated with the controller or a keyboard input pen design, it may be well-known input devices external to the controller 1 (including computers).

In the form of a touch screen input control command input device may be employed. When the input device using a touch screen, the display function unit may also be implemented by a touch screen.

To ensure that users of the present invention using the medical safety syringe pump embodiments, the medical infusion pump may further include a failure detection unit connected to the actuator 2, for detecting the operating condition of the actuator 2, and the results are fed back through the wireless communication unit to said wireless transceiver controller unit 1. The failure detection unit and the controller 1 performs simultaneous monitoring software operating state and the communication state 2, the fault will be discovered promptly reported to the user.

The failure detection unit may be used to detect the actuator 2 in the controller 1 receives the command injection process, the injection command to convert the core 3 during the pump can be recognized by the signal, and transmitting the signal to the pump core 3 working conditions of the process, and the result of the detection can be timely feedback to the controller 1.

In order to more accurately control the embodiment of the invention the medical injection syringe pump, the syringe pump further comprising a medical connected to the actuator 2 for sensing pressure sensors using the indwelling needle pressure of 5.

The medical syringe pump may further include a storage unit for storing calibration pressure of the actuator and connected to said pressure sensor / flow control table.

The pressure sensor for sensing the outlet pressure of the indwelling needle 5 converting the electrical actuator is a pressure value transmitted by wire to the 2 connected to the actuator 2. Actuator command to correct the work of the actuator according to the calibrated pressure / flow table to achieve a more accurate output.

The pressure sensor can sense the case of indwelling needle and the indwelling needle 5 5 blocking detachment. Crystallization occurs when the drug blocked the output pressure increases, the pressure sensor will report blocked; disappears when the output pressure from the pressure sensor will report the needle.

Referring to Figure 4, the graph of the piezoelectric pump of the present invention, pressure / flow control curves. Since the piezoelectric pump pressure / flow rate control curve is non-linear, in order to ensure the required flow rate, at different pressures, voltage, or the length of time necessary for the operation of the piezoelectric ceramic is not the same. Thus the use of a piezoelectric ceramic pump pressure / flow control ensures accurate flow meter. The present invention is a preset pressure / flow table is experimentally measured.

In order to ensure the accuracy of each of the embodiments of the medical injection syringe pump embodiment of the present invention, at the time of production of each core requires medical injection pump pressure / flow test, measured and plotted as shown in FIG. 4 derived pressure / flow control curves, and this table is stored in the memory and the sensor placed together, this is the calibration of the pump of the heart.

Because the pressure / flow control for each pump core sheet is to be calibrated separately in the factory, thus eliminating the influence of the nonlinearity of the pump core; eliminates the influence of, for example, dispersibility of the piezoelectric ceramic sheet; eliminates pressure sensor the influence of dispersion.

Specific flow rate command issued by the controller 1, the actuator 2 based on the obtained corrected particular pressure / flow table and then perform the appropriate action.

In order to ensure the use of the medical infusion pump, avoid prolonged use of the pump 3 through the core caused by large errors. The medical syringe pump a memory for storing a preset pressure value, the threshold value 3 may also be responsible for storing the operating time of the pump core 3 and the accumulated operating time of the pump core.

When the accumulated operation time of the pump core 3 is greater than or equal to the threshold pump core 3 when the working time, the actuator 2 can reject the controller 1 transmits a command injection, or by alarm connected to the controller 1 alarm to alert the user to replace new disposable supplies.

Referring to FIG. 12 is a circuit block diagram of an embodiment of the present invention is performed.

Example embodiments of the present invention, the actuator 2 is a first control core CPU, the CPU can control the start and stop a first voltage level of the high voltage generator may be controlled and the duty ratio of the operating frequency of the high voltage divider.

High voltage divider converts the DC high voltage into an AC voltage output to the two electrodes of the piezoelectric ceramic.

The first wireless communication unit via the communication CPU and a controller, accepts an instruction to return to work and report.

Sensors and memory means the pump is core of the disposable consumables, the pump delivery pressure detected by the sensor, the pump core at the factory and its pressure flow curve is calibrated, the pressure and flow sensors, and the corresponding relationship stored in the circuit with a on the memory board.

A first pressure within the normal range the CPU controls the high voltage generator to determine the voltage level, frequency and duration control the high voltage divider, in order to ensure the accuracy of the flow rate output of the pressure output.

The sensor may also be responsible for the police work and needle from the body when the needle obstruction. Battery simultaneously provide power, the first CPU may be detected battery size.

Referring to Figure 5, the graph of the present invention performs a first embodiment according to the principles of FIG.

The medical injection pump further comprises a high voltage divider connected to the actuator, the high voltage high voltage generator, the high voltage divider becomes unidirectional pulsating DC required for the actuator or both of the alternating current actuating means to drive the pump 3 to the core.

2 the actuator employed infusion or chip U1 SCM intelligent control of the liquid, the detection of the working process.

The wireless communication unit realized by a chip U4, U4 chips and for communication with a controller.

ADO for detecting SOC.

U3 is achieved by the high voltage generator and its attachment circuit. DETAILED switching power supply high voltage generator U3, and with a step-up transformer L1, a rectifier Dl.

High voltage divider comprising four transistors - Q2, Q3, Q4, Q5, means for actuating the piezoelectric ceramic sheet, for example, to provide the desired bi-directional voltage. In the absence of readily available integrated circuit, this section with four transistors Q2, Q3, Q4, Q5 transistor bridge structures. U1 which is controlled by the actuator through diodes D2, D3 and then by the transistor Ql, Q6 achieve control of angle-off of the transistor bridge.

Op amp U2 for amplifying a signal of the pressure sensor of the pump core portion.

The medical injection pump may further include a current / voltage detection circuit connected to the actuator 2, for detecting a high-voltage generator, high voltage divider of voltage and current conditions.

Referring to Figure 9, which is a block diagram of a controller circuit embodiment of the present invention.

The second operator's keyboard command communicated to the second CPU. The second CPU may display information to the operator through the second display. When the second CPU 2 needs to communicate via a wireless transceiver unit and the actuator; if necessary also communicate with the computer through the wireless transceiving unit. When needed the second CPU activates the alarm may be an alarm. A second battery for supplying power, a second CPU may monitor the battery condition of the second battery. Referring to Figure 6, the picture shows a first embodiment of the present invention the controller is a circuit diagram of embodiment.

The controller uses a single chip or chip U1, U1 is the core of the chip, the chip is implemented by the storage unit U2, for storing data and various control records.

An input device coupled to the controller may communicate with the machine through the keyboard interface to external button J2.

The display unit can be connected to a display via a display interface J1, displays various user interface implemented. Wherein U3 for powering the display, which solve specific power supply requirements. A wireless transceiver unit of the controller 1 may be a U4 and its external circuit, and for performing communication 1.

Signal P6.0 is a supply voltage detecting circuit, a power display.

Coupled to the controller LSI alarm buzzer circuit may be, necessary to alert the user when used.

Embodiments of the invention may be used in the medical injection pump is an insulin pump or pumps used analgesic.

The above are only preferred embodiments of the present invention, it should be noted that those of ordinary skill in the art, in the present invention without departing from the principles of the premise, can make various improvements and modifications, improvements and modifications are also It should be regarded as the protection scope of the present invention.

Claims

Claims
1. A medical injection pump, wherein the medical infusion pump includes a controller, actuators, pumps and the pump core and core input channels for communicating the medicine storage Nang liquid, and the pump core output channel communicating indwelling needle;
The actuator according to the injection command sent by the controller controlling the pump core by the indwelling needle injecting the liquid.
2, according to the medical infusion pump as claimed in claim 1, wherein said actuator is further configured to receive the clock calibration command sent by the controller.
3, according to the medical injection pump 1 or claim 2, wherein the controller communicates through the wireless communication unit with a wireless transceiver unit of the actuator.
4. The medical injection pump according to claim 2, wherein the medical infusion pump includes a display unit coupled to the controller.
5. The medical injection pump according to claim 2, wherein said controller means coupled to the controller input receiving the command injection.
6. The medical injection pump according to claim 5, characterized in that means particularly a keyboard or a touch screen or a computer input.
7. The medical injection pump according to claim 3, wherein the medical infusion pump further comprising a fault detection means coupled to said actuator, for detecting the execution
8. The medical injection pump according to claim 1, characterized in that the pump core is specifically a piezoelectric ceramic pump cartridge.
9. The medical injection pump according to claim 1, wherein the medical infusion pump further includes a pressure sensor coupled to the actuator for sensing the use of the indwelling needle of the pressure.
10. The medical injection pump according to claim 9, wherein the medical infusion pump further includes a storage unit for storing the preset pressure / flow table for the actuator and connected to said pressure sensor.
11. The medical injection pump according to claim 10, wherein the actuator pressure measured based on the current value of the pressure sensor to check the pressure / flow control amount calculation table.
12. The medical injection pump according to claim 10, wherein said storage unit stores said pump core and the accumulated operation time indwelling needle.
13. The medical injection pump according to claim 1, wherein the medical infusion pump further comprising a high voltage divider connected to said actuator, said high voltage divider is connected to the high voltage generator, the high-pressure receiving high-voltage signal generator, the AC signal is converted to the desired pump core.
14. The medical injection pump according to claim 13, wherein said high voltage generator is connected to the high voltage step-up transformer and rectifier through the dispenser.
15. The medical injection pump according to claim 14, wherein said high voltage divider comprises four transistors.
16. The medical injection pump according to claim 1, wherein the medical infusion pump further comprising an external memory connected to said actuator for the execution of recording an information.
17. The medical injection pump according to claim 1, wherein the controller and the actuator are implemented using chip or microcontroller.
18. The medical injection pump according to claim 1, wherein the medical infusion pump further comprises an alarm device connected to the controller.
19. The medical injection pump according to claim 1, wherein the medical infusion pump further comprising a current / voltage detection circuit connected to said actuator.
20, 19 according to a medical infusion pump according to any one of the preceding claims, wherein the medical infusion pump is an insulin pump or analgesia.
PCT/CN2009/072616 2008-07-25 2009-07-03 Medical injection pump WO2010009648A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200810041065.5 2008-07-25
CN 200810041065 CN101632847B (en) 2008-07-25 2008-07-25 Medical injection pump

Publications (1)

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WO2010009648A1 true true WO2010009648A1 (en) 2010-01-28

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Application Number Title Priority Date Filing Date
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WO (1) WO2010009648A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102688539A (en) * 2012-06-15 2012-09-26 江苏绿茵生物科技有限公司 Automatic insulin injection system
CN103599578B (en) * 2013-12-03 2015-08-05 吉林大学 A portable insulin pump piezoelectric driving
CN103736168A (en) * 2014-01-23 2014-04-23 马挺 Analgesia pump capable of recording operation information thereof
CN104436362B (en) * 2014-12-09 2018-03-13 杨利波 One kind of infusion pump

Citations (4)

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Publication number Priority date Publication date Assignee Title
US6589229B1 (en) * 2000-07-31 2003-07-08 Becton, Dickinson And Company Wearable, self-contained drug infusion device
US20040162518A1 (en) * 2000-08-18 2004-08-19 Connelly Robert I. Constant rate fluid delivery device with selectable flow rate and titratable bolus button
CN2659453Y (en) * 2003-11-21 2004-12-01 王勤 Splitting insulin pump
CN1726059A (en) * 2002-11-05 2006-01-25 M2医药有限公司 Disposable wearable insulin dispensing device, a combination of such a device and a programming controller and a method of controlling the operation of such a device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6589229B1 (en) * 2000-07-31 2003-07-08 Becton, Dickinson And Company Wearable, self-contained drug infusion device
US20040162518A1 (en) * 2000-08-18 2004-08-19 Connelly Robert I. Constant rate fluid delivery device with selectable flow rate and titratable bolus button
CN1726059A (en) * 2002-11-05 2006-01-25 M2医药有限公司 Disposable wearable insulin dispensing device, a combination of such a device and a programming controller and a method of controlling the operation of such a device
CN2659453Y (en) * 2003-11-21 2004-12-01 王勤 Splitting insulin pump

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CN101632847B (en) 2012-11-21 grant
CN101632847A (en) 2010-01-27 application

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