Needle blocking prevention device for microsphere injection

Abstract

The utility model discloses a microsphere injection anti-needle-blocking device which comprises a handpiece, an injector is fixed to the handpiece, the handpiece comprises a vibration part, and when the vibration part is in a working state, the vibration part enables the handpiece to vibrate; and the host is electrically connected with the vibration part and is used for controlling the start and stop of the vibration part. According to the application, the injector is fixed on the handpiece, and the host is connected with the vibration part of the handpiece to enable the handpiece and the injector to vibrate, so that the solid microspheres precipitated in the injector and the liquid are remixed. Therefore, injection treatment interruption caused by needle head blockage is avoided, and meanwhile waste and low efficiency caused by needle head replacement are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical devices, in particular to a microsphere injection anti-blocking needle device. BACKGROUND

[0002] In the medical field, some injections are solid-liquid mixtures composed of solid microspheres and liquid. When such a solid-liquid mixture is in a syringe, due to the action of gravity, the solid microspheres will gradually settle in a period of time. In this case, it will cause the needle of the syringe to be blocked after a period of injection, and the injection treatment is interrupted. In order to continue the injection treatment, it is usually necessary to replace the blocked needle with a new needle. However, this way of replacing the needle, on the one hand, requires the use of an additional needle, and on the other hand, also reduces the efficiency of the injection treatment. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the present application provides a microsphere injection anti-blocking needle device, which can uniformly mix the solid microspheres and the liquid again by vibrating the syringe, so as to avoid the blocking of the needle of the syringe.

[0004] To solve the above problems, the present application discloses a microsphere injection anti-blocking needle device, comprising:

[0005] A handheld piece, the syringe is fixed to the handheld piece, the handheld piece comprises a vibration part, the vibration part makes the handheld piece vibrate when in working state;

[0006] A host machine, electrically connected with the vibration part, controls the start and stop of the vibration part.

[0007] Preferably, the vibration direction of the vibration part is consistent with the length direction of the syringe.

[0008] Preferably, the handheld piece further comprises a shell, and the shell is provided with a fixing part for fixing the syringe.

[0009] Preferably, the fixing part comprises a first fixing part and a second fixing part, the first fixing part is used for fixing the needle of the syringe, and the second fixing part is used for fixing the needle tube of the syringe.

[0010] Preferably, the shell surrounds a containing cavity, and the vibration part is arranged in the containing cavity.

[0011] Preferably, the vibration part is arranged at one end close to / distant from the syringe.

[0012] Preferably, the host machine is provided with a placing groove for placing the handheld piece.

[0013] Preferably, the vibration part comprises a programmable driver.

[0014] The application fixes the syringe on the handpiece, connects the vibration part of the host computer with the handpiece to make the handpiece and the syringe vibrate, so as to re-mix the precipitated solid microspheres and the liquid. In this way, the injection treatment interruption caused by the needle blockage is avoided, and the waste and low efficiency caused by replacing the needle are also avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the handpiece 1 (half of the shell is reserved);

[0016] Figure 2 is a microsphere injection anti-blocking needle device of the application.

[0017] Reference signs: 1-handpiece, 11-vibration part, 12-second fixing part, 13-first fixing part, 14-shell, 141-receiving cavity, 15-push seat;

[0018] 2-host computer, 21-placing groove;

[0019] 3-syringe, 31-needle tube, 32-needle, 33-push part. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solutions of the application, the application will be further described in detail below with reference to the drawings and specific embodiments.

[0021] In the medical field, some injections are solid-liquid mixtures composed of solid microspheres and liquid. When such a solid-liquid mixture is in a syringe, the solid microspheres will gradually precipitate in a period of time due to the action of gravity. In this case, the needle of the syringe will be blocked after a period of injection, and the injection treatment will be interrupted. In order to continue the injection treatment, the blocked needle usually needs to be replaced with a new needle. However, this way of replacing the needle needs to use an additional needle, and also reduces the efficiency of the injection treatment.

[0022] In order to solve the above problems, as shown in Figure 1 and Figure 2 The application discloses a microsphere injection anti-blocking needle device, which comprises a handpiece 1 and a host computer 2, a syringe 3 is fixed to the handpiece 1, the handpiece 1 comprises a vibration part 11, the vibration part 11 makes the handpiece 1 vibrate when in a working state; the host computer 2 is electrically connected with the vibration part 11 to control the start and stop of the vibration part 11.

[0023] When the vibration part 11 is opened, mechanical vibration of about 300 Hz is generated, and the mechanical vibration is transmitted to the syringe 3, so that the syringe 3 is vibrated, and the vibration can diffuse the solid microspheres at the bottom of the liquid among the liquid, and mix the precipitate evenly. After the vibration part 11 is opened for about 10 s, the solid microspheres are mixed with the liquid again. The above data are affected by the type of the microspheres and the type of the vibration part 11, and are only used as an example.

[0024] The present application fixes the syringe 3 on the handpiece 1, connects the main machine 2 with the vibration part 11 of the handpiece 1 to vibrate the handpiece 1 and the syringe 3, so as to mix the precipitated solid microspheres and the liquid again. In this way, the injection treatment interruption caused by the blockage of the needle 32 is avoided, and the waste and low efficiency caused by the replacement of the needle 32 are also avoided. The present application can be applied to an electronic booster, and the precise control of the injection dose can be realized. Specifically, the handpiece 1 is in contact with the pushing part 33 of the syringe 3 through the pushing seat 15, and the pushing seat 15 pushes the pushing part 33. The vibration part 11 and the main machine 2 can be connected through wires.

[0025] Further, the vibration direction of the vibration part 11 is consistent with the length direction of the syringe 3, that is, consistent with the injection direction of the syringe 3. In this way, when the solid microspheres are blocked in the needle 32 of the syringe 3, the vibration can vibrate them back into the needle tube 31 of the syringe 3, and shake the solid microspheres and the liquid in the needle tube 31.

[0026] As shown in Figure 1 , in the embodiment, the handpiece 1 further includes a shell 14. For convenience of representation, the handpiece 1 with half of the shell 14 removed is selected as Figure 2 . The shell 14 is provided with a fixing part for fixing the syringe 3. The fixing part includes a first fixing part 13 and a second fixing part 12. The first fixing part 13 is used for fixing the needle 32 of the syringe 3, and the second fixing part 12 is used for fixing the needle tube 31 of the syringe 3.

[0027] The shell 14 on the handpiece 1 is provided with a fixing part suitable for the syringe 3. The first fixing part 13 can be selected as a fixing support, and a part of the needle 32 is located in the fixing support. The second fixing part 12 can be selected as a clamping mechanism, and the clamping mechanism is selected as an elastic member, which is distributed on both sides of the shell 14 to fix both ends of the needle tube 31 of the syringe 3. The first fixing part 13 and the second fixing part 12 ensure the stability of the syringe 3 on the handpiece 1, and transmit the vibration effect of the vibration part 11.

[0028] As shown in Figure 1 , in the embodiment, the shell 14 surrounds a containing cavity 141, and the vibration part 11 is arranged in the containing cavity 141. The vibration part 11 is located at one end close to or away from the syringe 3.

[0029] The accommodating cavity 141 is located at the lower part of the injector 3, in a hollow shape, for accommodating the vibrating part 11. The vibrating part 11 and the shell 14 can be connected by adhesion or screwing. When the vibrating part 11 is located at the end close to the injector 3, the effect of the vibration on the injector 3 is more intense; when the vibrating part 11 is located at the end away from the injector 3, the effect of the vibration on the injector 3 is less intense. The position of the vibrating part 11 can be flexibly set according to the sedimentation and coagulation characteristics of different solid microspheres.

[0030] The shell 14 is detachable. In the embodiment, the shell 14 can be divided into two symmetrical parts along the middle boundary line, so that the vibrating part 11 is easily installed and the position of the vibrating part 11 is easily adjusted in the accommodating cavity 141.

[0031] As shown in the embodiment, the host 2 is provided with a placing groove 21 for placing the handheld piece 1. Figure 2

[0032] The placing groove 21 is provided with a holder for fixing the handheld piece 1. When the handheld piece 1 is in the vibrating state, it can be placed on the placing groove 21 and fixed by the holder to ensure the stability of the vibrating process. When injection is needed, the handheld piece 1 can also be taken out of the placing groove 21 to ensure the convenience of injection.

[0033] Further, the vibrating part 11 comprises a programmable driver.

[0034] The vibrating device usually adopts a Z-axis linear motor or an X-axis linear motor, which can provide a larger one-way amplitude. The linear motor is equipped with a programmable driver, which can realize a variety of working mode vibration rhythms to meet the needs of different liquid medicines. Specifically, a driver supporting PWM (Pulse Width Modulation) can be selected, and the driver is connected to a programmable control board such as Arduino, Raspberry Pi or a dedicated microcontroller. The PWM signal is used to control the power of the motor, thereby controlling the vibration intensity. The duty cycle of the PWM signal (i.e. the proportion of the high level time in the whole cycle) determines the average power of the motor, and the vibration duration of the motor is controlled by controlling the duration of the PWM signal. Alternatively, a programming language (such as C / C++, Python, etc.) is used to write code to control the motor.

[0035] In addition, the vibrating part 11 can also use an ultrasonic emitter to use the energy effect of ultrasonic waves to make the solid microspheres and the liquid mix uniformly and prevent the needle 32 from being blocked. Similarly, the ultrasonic emitter can also be installed in the accommodating cavity 141 formed by the shell 14, and can be fixed by means such as screws, adhesives, etc.

[0036] ​The microsphere injection anti-blocking needle device provided by the embodiment of the application is described in detail. Each embodiment in the description is described in a progressive manner, and each embodiment mainly describes the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the related parts can be referred to the method part. It should be pointed out that for ordinary technical personnel in the technical field, some improvements and modifications can be made to the application without departing from the principle of the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

1. A microsphere injection anti-jamming needle device, characterized in that, The injection device comprises: a hand-held part, an injector is fixed to the hand-held part, the hand-held part comprises a vibration part, the vibration part makes the hand-held part vibrate in a working state; a main machine, which is electrically connected with the vibration part and controls the start and stop of the vibration part.

2. The microsphere injection anti-block needle device of claim 1, wherein, The vibration direction of the vibration part is consistent with the length direction of the injector.

3. The microsphere injection anti-block needle device of claim 2, wherein, The hand-held part further comprises a shell, and the shell is provided with a fixing part for fixing the injector.

4. The microsphere injection anti-block needle device of claim 3, wherein, The fixing part comprises a first fixing part and a second fixing part, the first fixing part is used for fixing the needle of the injector, and the second fixing part is used for fixing the needle tube of the injector.

5. The microsphere injection anti-block needle device of claim 4, wherein, The shell surrounds a containing cavity, and the vibration part is arranged in the containing cavity.

6. The microsphere injection anti-block needle device of claim 5, wherein, The vibration part is arranged at one end close to / distant from the injector.

7. The microsphere injection anti-block needle device of claim 1, wherein, The main machine is provided with a placing groove for placing the hand-held part.

8. The microsphere injection anti-block needle device of claim 1, wherein, The vibration part comprises a programmable driver.

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