CN211068479U

CN211068479U - Insulin pen

Info

Publication number: CN211068479U
Application number: CN201921148043.9U
Authority: CN
Inventors: 陈秀梅; 张晓宇; 卢妙; 门琛; 洪牮; 庞斯斯; 姜苏蓉; 章少华
Original assignee: Jiangsu Province Hospital First Affiliated Hospital Of Nanjing Medical University
Current assignee: Jiangsu Province Hospital First Affiliated Hospital Of Nanjing Medical University
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-07-24
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses an insulin pen, including insulin injection unit, blood sugar detecting element, a controller, power and button switch, insulin injection unit includes the injection end, with the insulin injection chamber of injection end intercommunication, the insulin hold up tank, first pump, power component, blood sugar detecting element is including gathering the end, blood sugar detection module, it sets up side by side with the injection end to gather the end, controller and blood sugar detection module signal connection, controller and power component and first pump be control connection respectively, the power is used for first pump, power component, the controller provides the electric energy, button switch and controller signal connection are used for switching insulin pen. The utility model discloses a set up blood sugar detecting element to before the injection insulin, through gathering the blood sugar information that the end gathered the patient, reachs required insulin injection volume through the controller based on the data of this blood sugar detection value and its teaching database, the injection volume of control insulin that can be reasonable improves treatment.

Description

Insulin pen

Technical Field

The utility model relates to the technical field of medical equipment, in particular to insulin pen.

Background

Diabetes is a disease of hyperglycemia metabolism, and a diabetic cannot normally secrete insulin due to the defect or damage of insulin secretion function, so that the diabetes mostly depends on insulin injection to reduce blood sugar. With the popularization and application of the insulin pen, more and more diabetes patients do not need to go to a hospital to inject insulin in person, and the complicated process of extracting insulin from insulin medicines by means of a special syringe to inject the insulin is omitted. In the prior art, an insulin pen generally includes a pen holder body, a syringe, a piston rod, a driving mechanism, a needle, an injection push key, and the like, and a metering display window is generally disposed on the pen holder body or the syringe for displaying an injection scale value, which is generally a milliliter meter. In the process of injecting insulin, a user usually needs to continuously press the injection push key and stare at the scale value displayed on the display window, and when the scale value reaches the set injection scale value, the user manually stops pressing the injection push key to complete the injection of the insulin. The disadvantages are that the elderly are not clearly graduated, setting the dose is difficult, repeated needle injections have skin breakdown, are prone to infection, etc. however, such a configuration often requires manual control of the insulin injection volume, is not very accurate, and the blood glucose levels in the diabetic patient vary over different time periods, mostly, and is not very effective.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide an insulin pen capable of controlling the insulin injection amount according to the blood sugar content of a human body.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

an insulin pen comprising:

the insulin injection unit comprises an injection end, an insulin injection cavity communicated with the injection end, an insulin storage tank used for storing insulin for injection, a first pump used for supplying a set amount of insulin in the insulin storage tank into the insulin injection cavity, and a power component used for injecting the insulin in the insulin injection cavity into a patient body through the injection end;

the blood sugar detection unit comprises a collection end and a blood sugar detection module capable of detecting the blood sugar of a patient based on the information collected by the collection end, and the collection end and the injection end are arranged side by side;

the controller is connected with the power component and the phase control, a teaching database of insulin injection amounts corresponding to different blood glucose detection values is stored in the controller, the controller can obtain a required insulin injection amount according to the blood glucose detection value sent by the blood glucose detection module and data in the teaching database, and the controller can control the first pump to work based on the required insulin injection amount;

a power source for providing electrical power to said first pump, said power unit and said controller;

the button switch is used for switching on and off the insulin pen and is in signal connection with the controller.

Among the above-mentioned technical scheme, preferably, insulin pen still include the cylinder and install the pen-holder body of tip behind the cylinder, the front end of cylinder is provided with the first mouth that is used for installing the injection end and is used for the installation the second mouth of gathering the end, insulin injection chamber be located the inside of cylinder, insulin storage tank blood sugar test module, first pump, controller and power be located the pen-holder internal.

In the above technical solution, preferably, the injection end is a needle-type injection head, the action component includes a piston disposed in the insulin injection cavity and capable of axially reciprocating and a motor located inside the pen holder body, the motor is in transmission connection with the piston, and the controller is in signal connection with the motor.

In the above technical solution, preferably, a lead screw is connected between the motor and the piston in a transmission manner, one end of the lead screw is fixed to a shaft end of the motor, and the other end of the lead screw extends into the insulin injection cavity and is close to the injection end.

In the above technical solution, preferably, the collection end is a blood sampling needle, the inside of the pen holder body is provided with a blood sampling cavity isolated from the insulin storage tank, the blood sampling cavity is internally provided with an electrode type blood glucose test strip, the pen holder body is internally provided with a second pump, the blood sampling cavity is communicated with the blood sampling needle through the second pump, the electrode end of the electrode type blood glucose test strip is electrically connected with the blood glucose detection module, the pen holder body is provided with a display, and the controller is in signal connection with the second pump and the display respectively.

In the above technical solution, preferably, the first pump and the second pump are symmetrically arranged along the pen body.

In the above technical solution, preferably, at least a portion of the needle cylinder is transparent.

In the above technical solution, preferably, the injection end is a pressure needleless injection head.

In the above technical solution, preferably, the blood glucose detecting unit is a non-blood sampling type induction blood glucose detecting unit, and the collecting end is an induction type collecting head for contacting with the skin of the patient in a short distance.

The utility model discloses a set up blood sugar detecting element to before the injection insulin, through gathering the blood sugar information that the end gathered the patient, reachs required insulin injection volume through the controller based on the data of this blood sugar detection value and its teaching database, the injection volume of control insulin that can be reasonable improves treatment.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic diagram of the control principle of the present invention;

wherein: 11. an injection end; 12. a needle cylinder; 121. a first mouth; 122. an insulin injection chamber; 123. a piston; 124. a second mouth; 13. a pen holder body; 131. an insulin storage tank; 132. a first pump; 133. a motor; 134. a controller; 135. a power source; 136. a blood collection cavity; 137. a screw rod; 14. a push button switch; 15. a blood sampling end; 16. electrode type blood sugar test paper; 17. a second pump; 18. a blood glucose detection module; 19. a display.

Detailed Description

To explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following detailed description is made with reference to the accompanying drawings. The upper, lower, front and rear positional relationships described in this embodiment correspond to the positional relationships shown in fig. 1, respectively.

As shown in fig. 1 and 2, the insulin pen includes an insulin injection unit, a blood glucose detecting unit, a controller 134, a power supply 135, and a push button switch 14.

The insulin injection unit includes an injection port 11, a cylinder 12 connected to the injection port 11, and a barrel body 13 connected to the cylinder 12. The blood sugar detection unit comprises a collection end 15 and a blood sugar detection module 18 capable of detecting the blood sugar of the patient based on the information collected by the collection end 15.

The syringe 12 is transparent, the front end of the syringe 12 is provided with a first nozzle 121 and a second nozzle 124, the injection end 11 is a needle injector and is mounted on the first nozzle 121, the blood collection end 15 is a blood collection needle and is mounted on the second nozzle 124, and the blood collection end 15 is located at the lower side of the injection end 11. An insulin injection cavity 122 is arranged inside the syringe 12, and the insulin injection cavity 122 is communicated with the injection end 11. The piston 123 is located in the insulin injection chamber 122 and is capable of reciprocating in an axial direction, which here corresponds to the front-rear direction shown in fig. 1. The motor 133 is installed in the pen holder body 13, the motor 133 and the piston 123 are in transmission connection with the screw 137, one end part of the screw 137 is fixed with the shaft end of the motor 133, and the other end part of the screw 137 extends into the insulin injection cavity 122 and is close to the injection end 11. The pen holder body 13 is installed at the rear end of the syringe 12, an insulin storage tank 131 and a blood sampling chamber 136 are provided inside the pen holder body 13, and the blood sampling chamber 136 is isolated from the insulin storage tank 131 and is located at the lower side thereof. The first pump 132 and the second pump 17 are installed in the barrel body 13, respectively, and are symmetrically arranged along the barrel body 13. The insulin storage tank 131 is communicated with the insulin injection chamber 122 through the first pump 132, and the blood collection chamber 136 is communicated with the blood collection port 15 through the second pump 17. The controller 134, the blood glucose detection module 18, and the power source 135 are all mounted within the stylus body 13. The electrode type blood glucose test paper 16 is positioned in the blood collecting cavity 136, and the electrode end of the electrode type blood glucose test paper is electrically connected with the blood glucose detection module 18. The controller 134 is in signal connection with the first pump 132, the second pump 17, the motor 133, the blood glucose detecting module 18 and the display 19. The power source 135 is electrically connected to the first pump 132, the second pump 17, the motor 133, the blood glucose detection module 18, and the controller 134, respectively. A teaching database of insulin injection amounts corresponding to different blood glucose detection values is prestored in the controller 134, and the controller 134 can obtain the required insulin injection amount according to the blood glucose detection value sent by the blood glucose detection module 18 and data in the teaching database. And controls the operation of the first pump 132 based on the desired insulin injection amount. In other embodiments, in order to avoid the pain of the patient suffering from the needle insertion during each injection, the injection end 11 may be designed as a pressure needle-free injection head, the corresponding power component for injecting the insulin in the insulin injection cavity 122 into the patient through the pressure needle-free injection head may be a high-pressure atomizing pump or the like instead of a piston or a motor, the blood sampling end may be designed as an inductive collection head for contacting with the skin of the patient at a short distance, and the corresponding blood glucose detection module is also a non-blood sampling type inductive blood glucose detection module.

As shown in fig. 3, when insulin is injected by the insulin pen, a diabetic first pierces a subcutaneous tissue with a blood sampling needle 15 to perform blood glucose measurement. At this time, the user can turn on the operation of the controller 134 by pressing the push button switch 14. The controller 134 sends a control signal to the second pump 17 to draw blood, the blood enters the blood collection cavity 136 and then reacts with the electrode type blood glucose test paper 16, so that the electrode type blood glucose test paper 16 sends a current signal to the blood glucose detection module 18, the blood glucose detection module 18 receives the current signal to obtain a blood glucose detection value and feeds the blood glucose detection value back to the controller 134, the controller 134 receives the blood glucose detection value sent by the blood glucose detection module 18 and calls a teaching database of insulin injection amount of the blood glucose detection module to obtain unit insulin injection amount corresponding to the blood glucose detection value, meanwhile, the controller 134 sends the blood glucose detection value information and the insulin injection amount information to the display 19, and the display 19 simultaneously outputs and displays the blood glucose detection value information and the insulin injection amount information. Next, the user pierces the subcutaneous tissue through the injection needle 11 and presses the push button switch 14 to turn on the controller 134 again. The controller 134 sends a control signal to the first pump 132 so that the insulin in the insulin storage tank 131 is input into the insulin injection chamber 122, and the controller 134 sends a control signal to the motor 133 so that the motor 133 drives the piston 123 to move axially to inject the insulin in the insulin injection chamber 122 into the human body, thereby completing the insulin injection process.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. An insulin pen, comprising:

the insulin injection unit comprises an injection end (11), an insulin injection cavity (122) communicated with the injection end (11), an insulin storage tank (131) used for storing insulin for injection, a first pump (132) used for supplying a set amount of insulin in the insulin storage tank (131) into the insulin injection cavity (122), and a power component used for injecting the insulin in the insulin injection cavity (122) into a patient body through the injection end (11);

the blood sugar detection unit comprises a collection end (15) and a blood sugar detection module (18) capable of detecting the blood sugar of a patient based on information collected by the collection end (15), wherein the collection end (15) and the injection end (11) are arranged side by side;

a controller (134), wherein the controller is connected with the blood sugar detection module (18) in a signal mode, the controller (134) is connected with the power component and the phase control, a teaching database of insulin injection amounts corresponding to different blood sugar detection values is stored in the controller (134), the controller (134) can obtain a required insulin injection amount according to the blood sugar detection value sent by the blood sugar detection module (18) and data in the teaching database, and the controller can control the operation of the first pump (132) according to the required insulin injection amount;

a power source (135) for providing electrical power to said first pump (132), said power unit and said controller (134);

a button switch (14) operated by a user for opening and closing the insulin pen, wherein the button switch (14) is in signal connection with the controller (134).

2. The insulin pen of claim 1, wherein: insulin pen still include syringe (12) and install the body of pen (13) of syringe (12) rear end portion, the front end portion of syringe (12) is provided with first mouth (121) that are used for installing injection end (11) and is used for the installation second mouth (124) of gathering end (15), insulin injection chamber (122) be located the inside of syringe (12), insulin hold up tank (131) blood sugar test module (18), first pump (132), controller (134) and power (135) be located the body of pen (13) in.

3. The insulin pen of claim 2, wherein: the injection end (11) is a needle-type injection head, the action part comprises a piston (123) which is arranged in the insulin injection cavity (122) and can move back and forth along the axial direction and a motor (133) which is positioned in the pen holder body (13), the motor (133) is in transmission connection with the piston (123), and the controller (134) is in signal connection with the motor (133).

4. The insulin pen of claim 3, wherein: a screw rod (137) is connected between the motor (133) and the piston (123) in a transmission way, one end part of the screw rod (137) is fixed with the shaft end of the motor (133), and the other end part of the screw rod (137) extends into the insulin injection cavity (122) and is close to the injection end (11).

5. The insulin pen of claim 2, wherein: the blood collection device is characterized in that the collection end (15) is a blood collection needle, a blood collection cavity (136) isolated from the insulin storage tank (131) is arranged inside the pen holder body (13), electrode type blood glucose test paper (16) is arranged in the blood collection cavity (136), a second pump (17) is arranged in the pen holder body (13), the blood collection cavity (136) is communicated with the collection end (15) through the second pump (17), the electrode end of the electrode type blood glucose test paper (16) is electrically connected with the blood glucose detection module (18), a display (19) is arranged on the pen holder body (13), and the controller (134) is in signal connection with the second pump (17) and the display (19) respectively.

6. The insulin pen of claim 5, wherein: the first pump (132) and the second pump (17) are symmetrically arranged along the pen holder body (13).

7. The insulin pen of claim 2, wherein: the needle cylinder (12) is at least partially transparent.

8. The insulin pen of claim 2, wherein: the injection end (11) is a pressure needleless injection head.

9. The insulin pen of claim 2, wherein: the blood sugar detection unit is a non-blood sampling type induction blood sugar measurement unit, and the collection end (15) is an induction type collection head which is used for being in close contact with the skin of a patient.