TWM514857U - Automatic withdrawal needle structure for insulin injector - Google Patents

Description

Pen type insulin automatic withdrawal structure

This creation is a pen-type insulin automatic withdrawal mechanism, which can be applied to all kinds of drugs using pen needles. In addition, in order to prevent the user from having poor eyesight or difficulty in operation, the creation uses a special shape pressing device in design. It can be used as a medicine to make the operation easier and reduce the operation error. When the user finishes the injection, and uses the needle withdrawal device, the user does not have to remove the needle in person, and directly presses the pressing device to the end, The stylus is removed, reducing the risk of needle sticking and saving time and effort, and easy removal.

The seven criteria for implementing safe medical equipment in foreign countries today are: safety devices and equipment are integrated, and the hands need to be protected from needle sticking at any time. The needle tip is protected during the discarding process, and the safety device must not be activated. Safety equipment is reliable, easy to operate, no need or simple operation training, safety equipment must take into account the safety of personnel. The above findings are consistent with the standard on the market, but the design still needs to remove the needle by hand, even if you are careful The risk of needle sticking will still increase, and the pen needle is heavy and thin, and it is also difficult to handle.

Previously, some people have developed a rebound retracting needle, but this development may cause pain in the process of retraction, and the retracting sound is also a kind of injury and fear to the user.

This creation is a pen-type insulin automatic withdrawal mechanism, which can prevent the user from needle sticking rate. The insulin pen needle can be applied to all kinds of drugs using the pen and needle. In the design, the special shape pressing device can be used to make the action of the drug, which makes the operation easy and reduces the operation error, and the weight is light and the grip is tight. After the user has finished the injection, it is not necessary to remove the needle in person. Simply press the pressing device directly to the end, and the needle can be completely removed to prevent the needle from sticking.

The creation is a pen-type insulin automatic withdrawal mechanism, comprising: an insulin pen body, a head device unit, a tube component, a needle withdrawal device and a pressing device. The insulin pen body can be made of plastic and has a larger needle, so that the user feels easy to use, and feels light and tight; the pen unit can be composed of a pen, a spring and a cork, cork The stylus can be fixed, and the needle removing device can be connected in the writing device unit. When the injection is finished, the stylus is pressed to the bottom, and the spring is driven to move the writing head up and down, so that the stylus can be automatically retracted to In the needle withdrawal device, the risk of needle sticking can be reduced, and the time and effort can be saved, and the needle can be easily removed. In addition, in order to prevent the user from having poor eyesight or difficulty in operation, the design adds a pressing device to the insulin pen needle. It is suitable for the upper part of the body and is easy to handle when applying drugs.

1‧‧‧Insulin needle body

2‧‧‧ pen head unit

3‧‧‧ pen tube unit

11‧‧‧Retraction device

12‧‧‧ Pressing device

The first picture is a perspective view of the pen of this creation.

Figure 2 is a schematic diagram of the function of the pen in this creation.

Please refer to Fig. 1 and Fig. 2, the main work is a pen-type insulin automatic withdrawal mechanism, which mainly comprises: an insulin pen body 1, a head device unit 2, a tube unit 3, a needle withdrawal device 11 and a pressing device 12; the creation is an insulin that prevents the user from pinning The stylus needle and the insulin pen needle body 1 can be composed of a plastic needle and a large stylus needle, so that the user feels easy to use, and feels light and tightly gripped, and the pen device unit 2 is connected to the insulin pen needle. The body 1 is composed of a spring and a cork stopper. The cork stopper can fix the pen needle, and the needle device unit 2 can be connected with the needle removing device 11. When the injection is completed, the pen needle is pressed to the bottom, and the spring will be driven. The pen tip is moved up and down, so that the pen needle can be automatically retracted into the needle removing device 11; in addition, in order to prevent the user from having poor eyesight or difficulty in operation, the design increases the pressing device 12 to be located above the insulin pen body 1 It is easy to operate when applying drugs.

1‧‧‧Insulin needle body

2‧‧‧ pen head unit

3‧‧‧ pen tube unit

12‧‧‧ Pressing device

Claims (6)

The utility model relates to a pen-type insulin automatic needle-removing structure, which mainly comprises: an insulin pen needle body, which can be made of plastic and has a larger needle; the head device unit is connected to the plastic insulin pen body, which can be used for advancement and retreat The function of the needle; a tubular element that is attached to the insulin pen body for insulin placement. For example, the pen type insulin automatic withdrawal mechanism of claim 1 is, wherein the pen head device unit is composed of a spring, a cork and a pen tip. For example, the pen type insulin automatic withdrawal mechanism is requested, wherein the pen head device unit is connected to the needle withdrawal device, and after the injection is completed, the pen tip is pressed to the end, and the spring function is activated, and the pen tip moves up and down, so that The stylus automatically withdraws the needle. For example, the pen type insulin automatic withdrawal mechanism of claim 1 is suitable for connecting the upper part of the insulin pen needle body to the pressing device, and the user can press the device with a finger to achieve the function of applying the medicine. For example, the pen type insulin automatic retracting structure of claim 4, wherein the pen device can be completely removed when the pressing device is to the bottom. For example, the pen type insulin automatic retracting structure of claim 4, wherein the pressing device can have a special shape and color, which can reduce factors such as poor visual acuity or difficulty in operation.