CN220572196U - Disposable intravenous blood collection needle - Google Patents

Abstract

The utility model discloses a disposable intravenous pipeline blood taking needle, which aims to solve the technical problems that in the prior art, a clinical nurse of a children blood oncology department needs to separate and discard a puncture needle from a needle seat, a needle wing, a puncture needle, a protective cap, a skin patch and the like every time the clinical nurse takes blood from a child patient, thereby not only increasing the complexity of blood taking operation, but also causing waste to a certain extent; the blood collection device comprises an infusion hose, wherein one end of the infusion hose is fixedly connected with a first connector, one end of the infusion hose, which is far away from the first connector, is fixedly connected with a second connector, one end of the first connector, which is far away from the infusion hose, is connected with a protective cover, one end of the second connector, which is far away from the infusion hose, is connected with a blood collection needle seat through a threaded rod, and one end of the threaded rod extends to the inside of the blood collection needle seat to be fixedly connected with the blood collection hose; the utility model is convenient for clinical nurses of the hematological oncology department to collect blood of children patients and saves cost.

Description

Disposable intravenous blood collection needle

Technical field

The utility model belongs to the technical field of children's blood tumors, and specifically relates to a disposable venous pipeline blood collection needle.

Background technique

Venous blood collection is a high-risk link for clinical nurses to be exposed to blood-borne pathogens. Therefore, nurses are under great psychological pressure when collecting blood from such patients. Ordinary blood collection needles and blood collection needles with inadequate protective design are still the most commonly used clinical venous blood collection tools in my country, and needle stick injuries are prone to occur during the blood collection process.

After retrieval, the announcement number: CN215227683U discloses a disposable retractable anti-needle venous blood collection needle, which is characterized in that it includes: a needle seat, a cannula, and a blood collection needle seat. The front end of the needle seat is provided with a puncture needle, so The needle seat is provided with a needle wing, the sleeve is placed on the needle seat, the sleeve is provided with a strip hole, the needle wing is slidably disposed in the strip hole, and the front end of the needle seat is provided with a The chuck is covered with a spring at the front end of the needle seat. The spring is located at the front end of the chuck. A through hole is provided on the sleeve. A pin is provided in the through hole. The pin is used to hold the chuck. , the rear end of the needle seat is connected with a hose, the hose is provided with a connection seat, the front end of the blood collection needle seat is provided with a Luer interface, the connection seat is connected to the Luer interface, and the Luer interface A bleeding head is connected, and a protective film is affixed to the tail of the blood collection needle holder. The disposable retractable anti-needle venous blood collection needle of the present invention has the characteristics of reasonable design and convenient use.

Regarding the above-mentioned related technologies, the inventor believes that there are the following defects: one end of the venous blood collection needle in the above-mentioned application is equipped with a needle seat, a needle wing, a puncture needle, a protective cap, a skin patch, etc., although it is convenient for blood collection for some patients, but Currently, children with hematological tumors need to use picc or cvc to draw blood. Therefore, when clinical nurses in the pediatric hematological oncology department use venous blood collection to collect blood from children, they do not need to use puncture needles. Therefore, clinical nurses in the pediatric hematological oncology department need to use venous blood collection every time. When collecting blood from pediatric patients, they need to throw away the needle holder, needle wing, puncture needle, protective cap, skin patch, etc., which not only increases the complexity of the blood collection operation, but also causes a certain degree of waste;

Therefore, for the improvement of the existing disposable retractable anti-needle venous blood collection needle, a new disposable venous pipeline blood collection needle is designed to change the above technical defects.

Utility model content

(1) Technical problems to be solved

In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a disposable intravenous blood collection needle, aiming to solve the problem that under the existing technology, clinical nurses in the pediatric hematology and oncology department need to connect the puncture needle with the blood collection needle every time they collect blood from a child patient. The needle holder, needle wing, puncture needle, protective cap and skin patch are separated and partially discarded, which not only increases the complexity of the blood collection operation, but also causes a certain degree of wasteful technical problems.

(2)Technical solutions

In order to solve the above technical problems, the present invention provides such a disposable intravenous blood collection needle, which includes an infusion hose. One end of the infusion hose is fixedly connected with a first connector, and the infusion hose is away from the first connector. One end of the first connector is fixedly connected with a second connector, the end of the first connector away from the infusion hose is connected to a protective cover, and the end of the second connector away from the infusion hose is connected to the blood collection needle holder through a threaded rod, One end of the threaded rod extends to the interior of the blood collection needle seat and is fixedly connected with a bleeding head.

Preferably, the connection between the first connector and the protective cover is a threaded connection.

Furthermore, a threaded hole for threaded connection of a threaded rod is provided inside the blood collection needle holder.

Furthermore, the internal structural size of the threaded hole is larger than the external structural size of the bleeding head.

Furthermore, the blood collection needle holder is designed in a conical structure. Two sets of anti-skid parts are symmetrically provided on the outer circumferential wall of the blood collection needle holder, and several sets of anti-skid particles are provided on the outer surface of the anti-skid part.

Furthermore, the first connector and the outer circumferential wall of the protective cover are both engraved with anti-slip textures.

(3) Beneficial effects

Compared with the existing technology, the beneficial effects of this utility model are:

Through the arrangement of the infusion hose, the first connector, the second connector, the protective cover, the threaded part, the blood collection needle holder, the anti-slip part and the bleeding head, the utility model connects the through hole of the first connector with the picc or cvc One end of the tube is plugged in to facilitate clinical nurses in the pediatric hematology and oncology department to collect blood from pediatric patients. By removing unnecessary settings such as needle holders, needle wings, puncture needles, protective caps, and skin patches, the pediatric hematology and oncology department saves time. Clinical nurses need to throw away the needle holder, needle wing, puncture needle, protective cap, skin patch and other parts every time they collect blood from a child patient, making the blood collection operation more convenient and avoiding unnecessary waste, thus enabling save costs.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic diagram of the overall structure of the utility model;

Figure 3 is a schematic structural diagram of the bleeding head of the present utility model.

The marks in the drawings are: 1. Infusion hose; 2. First connector; 3. Second connector; 4. Protective cover; 5. Threaded rod; 6. Blood collection needle holder; 601, anti-slip part; 7 , bleeding head.

Detailed ways

This specific embodiment is a disposable intravenous blood collection needle. Its structural schematic diagram is shown in Figures 1 to 3. It includes an infusion hose. One end of the infusion hose 1 is fixedly connected with a first connector 2, and the infusion hose 1 is away from the One end of the first connector 2 is fixedly connected to a second connector 3. The end of the first connector 2 away from the infusion hose 1 is connected to a protective cover 4. The end of the second connector 3 away from the infusion hose 1 passes through a threaded rod 5. Connected to the blood collection needle holder 6 , one end of the threaded rod 5 extends to the inside of the blood collection needle holder 6 and is fixedly connected with a bleeding head 7 .

Among them, the connection method between the first connector 2 and the protective cover 4 is a threaded connection. The threaded connection method facilitates the disassembly and assembly of the protective cover 4 and the first connector 2. The outer side of the bleeding head 7 is provided with a needle sleeve. The protective cover can protect the bleeding head 7 when it is not suitable to prevent the bleeding head 7 from being exposed to the outside and cause contamination. The blood collection needle seat 6 has a threaded hole for the threaded rod 5 to be threadedly connected inside, and the internal structure of the threaded hole is larger than the needle. The external structure of the sleeve is sized to facilitate the insertion of the needle sleeve into the blood collection needle holder 6, and the use of the threaded rod 5 and the threaded hole to facilitate the assembly and fixation of the second connector 3 and the blood collection needle holder 6.

In addition, the blood collection needle holder 6 is designed in a conical structure. Two sets of anti-slip portions 601 are symmetrically provided on the outer circumferential wall of the blood collection needle holder 6. The outer surface of the anti-slip portion 601 is provided with several sets of anti-slip particles. When the user touches the patient When collecting blood, the anti-slip part 601 is used to hold the blood collection needle holder 6. Combined with the setting of anti-slip particles, the anti-slip resistance between the hand and the blood collection needle holder 6 can be increased, thereby playing a certain anti-slip effect and preventing the blood collection needle holder 6 from slipping. When taking the blood collection needle holder 6, it is easy to fall off and slip. The outer circumferential walls of the first connector 2 and the protective cover 4 are engraved with anti-slip textures. The setting of the anti-slip textures can increase the number of people holding the first connector 2 and the second connector. The friction resistance between the connector 3 and the protective cover 4 facilitates the rotation and disassembly of the threaded portion 5 of the second connector 3 and the blood collection needle holder 6, and the rotation of the protective cover 4 facilitates the connection with the first connector 2. Rotation and disassembly, the first connector 2 has a through hole for plugging one end of the picc or cvc tube inside. By plugging the through hole of the first connector 2 with one end of the picc or cvc, it is convenient for children's hematology and oncology department Clinical nurses in the pediatric hematology and oncology department collect blood from pediatric patients. In this embodiment, by removing unnecessary settings such as needle holders, needle wings, puncture needles, protective caps, and skin patches, there is no need for clinical nurses in the pediatric hematology and oncology department to collect blood from pediatric patients every time. When collecting blood, the needle seat, needle wing, puncture needle, protective cap, skin patch and other parts need to be thrown away to avoid unnecessary waste and thereby save costs. The utility model is designed to facilitate clinical nurses in the pediatric hematology and oncology department to treat children. Patients can collect blood while saving costs.

All technical features in this embodiment can be freely combined according to actual needs.

The above embodiments are the preferred implementation solutions of the present utility model. In addition, the present utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of the technical solution are within the protection scope of the present utility model. Inside.

Claims (6)

1. Disposable intravenous line blood taking needle, including infusion hose (1), its characterized in that, the one end fixedly connected with first connector (2) of infusion hose (1), the one end fixedly connected with second connector (3) of first connector (2) are kept away from to infusion hose (1), the one end that infusion hose (1) was kept away from to first connector (2) is connected with protective cover (4), the one end that infusion hose (1) was kept away from to second connector (3) is connected with blood collection needle file (6) through threaded rod (5), the one end of threaded rod (5) extends to the inside fixedly connected with bleeding head (7) of blood collection needle file (6).

2. The single-use intravenous line lancet according to claim 1, wherein the first connector (2) is connected to the shield cap (4) by a threaded connection.

3. The single-use intravenous line blood taking needle according to claim 1, wherein the inside of the blood collecting needle seat (6) is provided with a threaded hole for the threaded rod (5) to be in threaded connection.

4. A single use intravenous line lancet according to claim 3, wherein the internal structural size of the threaded bore is larger than the external structural size of the bleeding head (7).

5. The disposable intravenous line blood taking needle according to claim 1, wherein the blood collecting needle seat (6) is of conical structural design, two groups of anti-slip parts (601) are symmetrically arranged on the outer circumferential wall of the blood collecting needle seat (6), and a plurality of groups of anti-slip particles are arranged on the outer surface of the anti-slip parts (601).

6. The single-use intravenous line lancet according to claim 1, wherein the first connector (2) and the protective cover (4) are engraved with anti-slip textures on the outer circumferential walls thereof.