CN104162203A - Self-destroying intravenous infusion needle - Google Patents

Abstract

The invention relates to a self-destructing intravenous infusion needle, comprising a needle head, a needle handle, an infusion tube and a self-destruction device. The self-destruction device includes an upper cover and a base. The infusion tube is placed between the upper cover and the base. The base includes a The body part matched with the upper cover, the combination part matched with the needle, the body part of the base and the combination part are connected as a whole through the needle storage groove. After the infusion is completed, the needle retracts into the needle storage groove. Through holes, the upper cover is provided with a pointed tip that can cut off the infusion pipeline when it is pressed down, and a gear mechanism is also provided between the upper cover and the base. The gear positions of the gear mechanism are divided into two gears, corresponding to the normal infusion state, Cut off the state of the infusion line. After the infusion is completed, the needle of the infusion needle can be stored in the needle storage groove, and the infusion pipeline can be cut off when the upper cover is pressed down, and the self-destruct process can be completed with only one hand operation, and the hospital does not need to be equipped with special staff to complete the infusion needle. Destroy jobs.

Description

self-destructing IV needle

technical field

The invention belongs to a medical device, in particular to a safety intravenous infusion needle.

Background technique

Intravenous infusion is a treatment method that injects a large amount of sterile solution or medicine through the vein. In order to ensure that it will not be infected by bacteria during the infusion, and that it will not be recycled by unscrupulous merchants after use, it will lead to viruses such as hepatitis B and AIDS. Infection, the Ministry of Health stipulates that intravenous infusion needles must be used only once. At the same time, in order to prevent medical staff from being accidentally injured and infected by sharp objects in the process of handling the used intravenous infusion needles, it is required that all used intravenous infusion needles be destroyed. Due to the huge daily use of infusion needles in hospitals, according to the average annual use of infusion sets in tertiary hospitals, the average use of infusion sets in a hospital is about 1 million. Therefore, since none of the currently used intravenous infusion needles is designed with a destroying device, destroying these infusion needles requires manual and special tools to destroy them, which is time-consuming and laborious, and also increases the risk of potential disease transmission.

In order to prevent the exposed infusion needles from hurting the hands of medical staff during the collection and destruction process, and to prevent iatrogenic cross-infection caused by the malicious reuse of intravenous infusion needles, many improved infusion needles have emerged as the times require. Some of these improved infusion needles have a self-locking device, the needle is locked after the infusion and cannot be used again, and some are equipped with a self-destruct device, the needle is destroyed after the infusion, but these improved infusion needles are complex in structure, inconvenient to operate, and have a single function , and the exposed needles cannot be stored while being self-locking or self-destructing. Therefore industry is badly in need of a kind of reasonable in structure, the intravenous infusion needle of easy operation.

Contents of the invention

The technical problem to be solved by the present invention is to provide a self-destructing intravenous infusion needle with reasonable structure, convenient operation, self-destruction after infusion and the ability to store exposed needles.

In order to solve the above technical problems, the present invention adopts the following technical solutions:

A self-destructing intravenous infusion needle, comprising a needle head, a needle handle, an infusion tube and a self-destruction device, characterized in that the self-destruction device includes an upper cover and a base, and the infusion tube is placed between the upper cover and the base, The base includes a body part matched with the upper cover and a combination part matched with the needle. The body part of the base and the combination part are connected as a whole through the needle storage groove. The through hole for the needle to pass through. The upper cover is provided with a pointed tip that can cut off the infusion pipeline when it is pressed down. There is a gear mechanism between the upper cover and the base. The gears of the gear mechanism are divided into two gears, corresponding to normal infusion respectively. state, cutting off the infusion line state.

The gear mechanism includes a pair of barbs arranged on both sides of the upper cover, and a pair of elastic clips arranged on the body of the base. The elastic clips extend upward and extend into the inside of the pair of barbs. , when the barb is engaged with the first gear of the elastic clip, the tip of the upper cover is located above the infusion tube, which will not puncture the infusion tube and ensure the smooth flow of the infusion line. When the upper cover is pressed down, the barb Engaged with the second-order elastic clip, at this time, the pointed end of the upper cover will puncture the infusion tube, thereby cutting off the infusion line, and at the same time, the barb and the second-stage clip are locked to each other.

Further, the upper cover is provided with a first bar above the needle storage slot, and the base assembly part is provided with a second bar above the needle storage slot. When the groove is inserted, it plays a role in preventing the needle from coming out of the storage groove.

The upper cover and the side of the base are provided with an end surface capable of resisting the needle handle.

After adopting the above structure: After the infusion is completed, the needle of the infusion needle can be stored in the needle storage groove, and the infusion pipeline can be cut off when the upper cover is pressed down, and the self-destruct process can be completed with only one hand operation, and the hospital does not need to be equipped with special staff To complete the destruction of the infusion needle, because the needle of the infusion needle is stored in the storage tank, it is not exposed outside, and there is no risk of secondary infection of the disease.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Figure 2 and Figure 3 are side views of Figure 1;

Figure 4 is a schematic diagram of the structure of the self-destruct state;

Figure 5 and Figure 6 are side views of Figure 4;

Fig. 7 is a sectional view of the initial state of the self-destruct device;

Fig. 8 is a schematic structural diagram of the self-destruction completed state.

Detailed ways

The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. These embodiments of the present invention may be referred to herein, individually or collectively, by the term "invention", which is for convenience only and is not intended to automatically limit the application if in fact more than one invention is disclosed The scope is any individual invention or inventive concept.

Referring to Fig. 1, Fig. 2 and Fig. 3, a self-destructing intravenous infusion needle includes a needle head 1, a needle handle 2, an infusion tube 3 and a self-destruct device. The self-destruct device includes an upper cover 4 and a base 5, and the infusion tube 3 is placed Between the upper cover 4 and the base 5, the base is divided into a main body part 51 matched with the upper cover and a combination part 52 matched with the needle. The upper cover 4 and the base 5 are provided with an end surface 7 capable of resisting the needle handle. The base assembly part is provided with a through hole through which needles can pass, the upper cover is provided with a first stop bar 8 above the needle storage slot, the base assembly part is provided with a second stop bar 9 above the needle storage slot, and the needle head is retracted. After arriving at the storage slot, the first blocking bar and the second blocking bar play a role in preventing the needle from coming out of the storage slot.

Referring to Fig. 7 and Fig. 8, the upper cover 4 is provided with a pointed tip 10 which can cut off the infusion pipeline when pressed down, and a gear mechanism is arranged between the upper cover 4 and the base body part 51, and the gear positions are divided into two gears, respectively corresponding to normal Infusion state, cutting off the state of the infusion line.

The gear mechanism includes a pair of barbs 11 arranged on both sides of the upper cover, and a pair of elastic clips 12 arranged on the base body part. The elastic clips 12 extend upward and extend into the inside of the pair of barbs 11. The feet 12 are provided with two gears. When the barb 11 engages with the first gear of the elastic clamping feet 12, the tip 10 of the upper cover is positioned above the infusion tube, which will not puncture the infusion tube and ensure the smooth flow of the infusion line. When the upper cover is pressed down, the barb 11 is engaged with the second gear elastic clip 12. At this time, the tip of the upper cover will puncture the infusion tube, thereby cutting off the infusion pipeline. At the same time, the barb and the second gear clip The feet are locked to each other, from the face to achieve the goal of complete self-destruction.

In the initial state, the needle head passes through the through hole of the base assembly part and protrudes forward until the needle handle touches it. At this time, the gear is in the first gear state. Under the action of the elastic clamping feet, the tip of the upper cover is positioned at the infusion Above the tube, perform intravenous infusion according to routine operations.

See Figure 4, Figure 5, and Figure 6. After the infusion is completed, pull the infusion tube backward to retract the needle and store it in the needle storage groove between the base body part and the assembly part, and then press down on the upper cover. At this moment, the gear position is in the second gear state, and the barb and the second gear elastic clamping feet are stuck to each other, and the tip of the upper cover punctures the infusion tube downwards, cuts off the infusion line, and the infusion needle is self-destructed.

This product is easy to operate. After the infusion is completed, the self-destruct process can be completed with only one hand operation. The hospital does not need to equip special staff to complete the destruction of the infusion needle. Since the needle of the infusion needle is stored in the storage tank, it is not exposed Outside, there is also no risk of secondary infection of the disease.

The above-mentioned embodiments are only examples for clearly illustrating the present invention, rather than limiting the specific implementation manner of the present invention. In order to clearly illustrate the combination of the various components, the various illustrative components and their connections are described above in general around their functions. As for which function is achieved by the combination of components, it depends on the specific application and Design constraints imposed on the entire device. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. Any obvious changes or modifications derived from the spirit and principles of the present invention are still within the protection scope of the claims of the present invention.

Claims (4)

1. A self-destructing intravenous infusion needle, comprising a needle head (1), a needle handle (2), an infusion tube (3) and a self-destructing device, characterized in that the self-destructing device includes an upper cover (4) and a base (5), the infusion tube (3) is placed between the upper cover (4) and the base (5), the base (5) includes a body part (51) matched with the upper cover, a combination part (52) matched with the needle ), the base body part (51) and the combination part (52) are connected as a whole through the needle storage groove (6). The through hole for the needle to pass through, the upper cover (4) is provided with a pointed tip (10) that can cut off the infusion pipeline when pressed down, and a gear mechanism is also provided between the upper cover and the base, and the gear positions of the gear mechanism are divided into Two gears, corresponding to normal infusion state and cut off infusion line state respectively. 2. A self-destructing intravenous infusion needle according to claim 1, characterized in that: said gear mechanism includes a pair of barbs (11) arranged on both sides of the upper cover, a pair of barbs (11) arranged on the base body part For the elastic clips (12), the elastic clips extend upwards and extend into the inside of a pair of barbs. The elastic clips are provided with two gears. The pointed head is located above the infusion tube, which will not puncture the infusion tube and ensure the smooth flow of the infusion line. When the upper cover is pressed down, the barb will engage with the second elastic clip, and the pointed end of the upper cover will poke The infusion tube is broken, thereby cutting off the infusion line, and at the same time, the barb and the second gear pin are locked to each other. 3. A self-destructing intravenous infusion needle as claimed in claim 1, characterized in that: the upper cover is provided with a first bar (8) above the needle storage groove, and the base assembly part is located at the needle storage groove. A second retaining bar (9) is provided above the groove, and the first retaining bar and the second retaining bar play the role of preventing the needle from coming out of the receiving groove when the needle is stored in the receiving groove. 4. A self-destructing intravenous infusion needle according to claim 1, characterized in that: the upper cover and the side of the base are provided with an end surface (7) capable of resisting the needle handle.