CN203227082U - Disposable infusion set - Google Patents

Abstract

The utility model relates to a disposable transfusion device, comprising a plastic bottle insertion needle, an air filter, an infusion catheter, a drip funnel, a flow regulator, a liquid medicine filter, and an intravenous infusion needle, and is characterized in that the liquid medicine filter consists of Composed of an upper shell, a liquid medicine filter membrane and a lower shell, the liquid medicine filter membrane is sandwiched between the upper shell and the lower shell, and the lower shell of the liquid medicine filter has a threaded joint that matches the intravenous infusion needle . The lower housing of the liquid medicine filter and the venous infusion needle adopt threaded joints, and the connection between the liquid medicine filter and the venous infusion needle is stronger, so as to avoid leakage or pollution caused by the connection between the liquid medicine filter and the venous infusion needle. The treatment of patients is safer; at the same time, it makes the operation more convenient for medical staff, saves time and effort, and improves work efficiency.

Description

Disposable infusion set

technical field

    The utility model belongs to the class of medical instruments, in particular to a disposable infusion set.

Background technique

 Disposable infusion sets are commonly used medical devices, which generally include plastic bottle insertion needles, air filters, infusion catheters, drip funnels, flow regulators, liquid medicine filters, and intravenous infusion needles. At present, the liquid medicine filter of the disposable infusion set is composed of an upper shell, a liquid medicine filter membrane and a lower shell, the liquid medicine filter membrane is sandwiched between the upper shell and the lower shell, and the lower shell of the liquid medicine filter is connected The interface of the intravenous infusion needle is generally an ordinary plug-in joint, and the lower housing of the liquid medicine filter is directly inserted into the needle seat of the intravenous infusion needle. With this connection method, the liquid medicine filter is easy to separate from the intravenous infusion needle, and the Cause the occurrence of leakage or pollution, cause certain troubles to the patient, and be unfavorable for the treatment of the patient.

Contents of the invention

The technical problem to be solved by the utility model is that the liquid medicine filter of the disposable infusion set is easy to separate and fall off from the intravenous infusion needle, and a disposable infusion set in which the liquid medicine filter and the intravenous infusion needle are closely connected is provided. Sturdy, airtight and liquid-tight, and convenient to replace the IV needle.

The technical scheme adopted by the utility model to solve the above-mentioned technical problems is: a disposable infusion set, including a plastic bottle inserting needle, an air filter, an infusion catheter, a drip funnel, a flow regulator, a liquid medicine filter, and an intravenous infusion needle. The liquid medicine filter is composed of an upper shell, a liquid medicine filter membrane and a lower shell. The liquid medicine filter membrane is sandwiched between the upper shell and the lower shell. Needle-fitting threaded connectors.

The beneficial effects of the utility model are: the lower casing of the liquid medicine filter and the intravenous infusion needle adopt threaded joints, the connection between the liquid medicine filter and the intravenous infusion needle is more firm, and the joints between the liquid medicine filter and the intravenous infusion needle are avoided. The leakage or pollution caused by the treatment makes the treatment of patients safer; at the same time, it makes the operation more convenient for medical staff, saves time and effort, and improves work efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of a liquid medicine filter;

The numbers in the figure are: 1 plastic bottle insertion needle, 2 air filter, 3 infusion catheter, 4 drip funnel, 5 flow regulator, 6 medicinal liquid filter, 7 intravenous infusion needle, 61 upper shell, 62 medicinal liquid filter Membrane, 63 lower shells, 64 threaded joints. 

Detailed ways

Below in conjunction with the accompanying drawings the utility model is further described, as can be seen from Figure 1, the disposable infusion set is made of a plastic bottle insertion needle 1, an air filter 2, a dripping funnel 4, a flow regulator 5, and a medicine These accessories of liquid filter 6, venous infusion needle 7 are connected in series. During use, the plastic bottle inserting needle 1 is inserted into the infusion bottle, the air in the infusion set pipeline is exhausted, the intravenous infusion needle 7 is punctured into the patient's vein, and the flow regulator 5 is opened to perform intravenous infusion. As shown in Figure 2, the liquid medicine filter 6 of the disposable infusion set of the present invention is made up of upper casing 61, liquid medicine filter membrane 62 and lower casing 63, and medicine liquid filter membrane 62 is formed on upper casing 61 and lower casing 61. Between the shells 63, the connection between the lower shell 63 and the intravenous infusion needle 7 is made into a threaded joint 64, and the threaded joint 64 cooperates with the thread on the intravenous infusion needle 7, so that the connection between the liquid medicine filter 6 and the intravenous infusion needle 7 is firm .

Claims (1)

1. disposable infusion set, comprise plastics needle for inserting bottle, air filter, transfusion catheter, dropping funnel, flow regulator, liquid medicine filter, venoclysis needle, it is characterized in that, described liquid medicine filter is made up of upper shell, liquid medicine filtering membrane and lower house, liquid medicine filtering membrane is clipped between upper shell and the lower house, and the nipple that cooperates with venoclysis needle is arranged on the lower house of described liquid medicine filter.

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