CN214906984U - Blood sampling equipment is taken out to vein treatment - Google Patents

Abstract

The utility model discloses a blood sampling device for venous therapy, comprising a needle, a needle holding rod, an infusion hose, a three-way connector, a blood collection tube and a syringe. The needle is a hollow columnar structure, and the right end of the needle is connected with a Fixed needle holding rod, the right end of the needle holding rod is connected with an infusion hose, the right end of the infusion hose is connected with a three-way connector, the bottom of the three-way connector is connected with a blood collection tube, and the right end of the three-way connector is buckled Syringe attached. The utility model is simple in design, convenient in operation, and can control the amount of blood drawn through the screw syringe, and meanwhile, the inside of the blood collection tube is under normal pressure, which avoids the disadvantage that the negative pressure vacuum blood collection tube cannot be used due to damage.

Description

Blood sampling equipment is taken out to vein treatment

Technical Field

The utility model relates to a blood drawing equipment especially relates to a vein treatment is with drawing blood sampling equipment.

Background

Along with the development of the times, people pay more and more attention to the health safety of the people, the extraction and the chemical examination of the method blood as a conventional health information acquisition are also an indispensable link, but the conventional venous blood drawing tool uses the negative pressure type blood drawing tube to draw blood, is not favorable for the user to control the blood drawing amount and the common negative pressure blood drawing tube is not easy to observe the blood drawing amount information, so a novel blood drawing and sampling device is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vein treatment is with sampling equipment that draws blood to solve above-mentioned technical problem.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a vein treatment is with sampling equipment that draws blood, includes the syringe needle, holds needle bar, infusion hose, three way connection ware, heparin tube, syringe, its characterized in that: the syringe needle is hollow columnar structure, the syringe needle right-hand member is connected with the fixed needle bar of holding, it is connected with the infusion hose to hold the needle bar right-hand member, the infusion hose right-hand member is connected with the three way connection ware, three way connection ware bottom is connected with the heparin tube, three way connection ware right-hand member lock joint has the syringe.

On the basis of the technical scheme, the injector comprises an injector shell, a rubber piston, a threaded piston rod and a threaded baffle plate, the injector shell is of a cylindrical hollow tube structure, the rubber piston capable of moving horizontally is installed inside the injector shell, the threaded piston rod is fixedly connected to the right side of the rubber piston in an inserted mode, and the threaded baffle plate is fixedly connected to the tail of the injector shell through threads.

On the basis of the technical scheme, the blood sampling tube comprises a blood sampling tube body, fluorescent scales, a protective top cover and a rubber diaphragm, the blood sampling tube body is of a test tube-shaped structure with a threaded top opening, the fluorescent scales are coated at the middle part of the surface of the blood sampling tube body, the protective top cover is in threaded connection with the top end of the blood sampling tube body, and the rubber diaphragm is fixed at the middle part of the top end of the protective top cover.

Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses a spiral cooperation of three way connection ware and syringe can control the extraction volume of blood, and the heparin tube need not to have improved the adaptability of product for unable use and the vexation that the negative pressure waited for the condition causes inadequately for ordinary glass test tube simultaneously, and the inscription has fluorescence scale can also observe, the record has reduced staff to service environment's requirement under the not good environment of sight simultaneously on the blood sampling body.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention.

Fig. 2 is a sectional view of the syringe of the present invention.

Fig. 3 is a schematic view of the structure of the blood sampling tube of the present invention.

In the figure: 1. the blood sampling device comprises a needle head, 2 a needle holding rod, 3 a transfusion hose, 4 a three-way connector, 5 a blood sampling tube, 6 a syringe, 7 a syringe shell, 8 a rubber piston, 9 a threaded rod, 10 a threaded baffle, 11 a blood sampling tube body, 12 a fluorescent scale, 13 a protective cover, 14 and a rubber diaphragm.

Detailed Description

The invention is explained in further detail below with reference to the figures and the embodiments.

As shown in fig. 1-3, a blood sampling device for vein treatment comprises a needle head 1, a needle holding rod 2, a transfusion hose 3, a three-way connector 4, a blood sampling tube 5 and an injector 6, and is characterized in that: syringe needle 1 is the hollow columnar structure, 1 right-hand member of syringe needle is connected with fixed needle bar 2 of holding, it is connected with infusion hose 3 to hold 2 right-hand members of needle bar, 3 right-hand members of infusion hose are connected with three way connection ware 4, three way connection ware 4 bottom is connected with heparin tube 5, three way connection ware 4 right-hand member lock joint has syringe 6.

Syringe 6 includes syringe casing 7, rubber piston 8, threaded piston rod 9, thread baffle 10, syringe casing 7 is the hollow tubular structure of column, 7 internal portions of syringe casing install the rubber piston 8 that can horizontal migration, 8 right sides of rubber piston are pegged graft and are fixed with threaded piston rod 9, 7 afterbody of syringe casing is fixed with thread baffle 10 through threaded connection.

Blood sampling tube 5 is including blood sampling body 11, fluorescence scale 12, protection top cap 13, rubber diaphragm 14, blood sampling body 11 is the trial tubular structure of apical opening tapping, 11 surface middle parts of blood sampling body scribble fluorescence scale 12, 11 top threaded connection of blood sampling body has protection top cap 13, 13 top middle parts of protection top cap are fixed with rubber diaphragm 14.

The utility model discloses a theory of operation: will get into human vein through the syringe needle and then rotate the threaded piston rod and form negative pressure extraction blood in the syringe, diversion inflow heparin tube when blood flows through tee junction ware middle part simultaneously, can control blood collection volume also can observe the record under the darker environment in the field of vision through the fluorescence scale on the blood sampling body.

The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.

Claims (1)

1. A blood sampling device for intravenous therapy, comprising a needle (1), a needle holding rod (2), an infusion hose (3), a three-way connector (4), a blood collection tube (5), and a syringe (6) , characterized in that: the needle (1) is a hollow cylindrical structure, the right end of the needle (1) is connected with a fixed needle holding rod (2), and the right end of the needle holding rod (2) is connected with an infusion hose (3). ), the right end of the infusion hose (3) is connected with a three-way connector (4), the bottom of the three-way connector (4) is connected with a blood collection tube (5), and the right end of the three-way connector (4) is buckled There is a syringe (6), the syringe (6) includes a syringe housing (7), a rubber piston (8), a threaded piston rod (9), and a threaded baffle (10), and the syringe housing (7) is cylindrical A hollow tube structure, a rubber piston (8) capable of horizontal movement is installed inside the syringe housing (7), a threaded piston rod (9) is inserted and fixed on the right side of the rubber piston (8), and the syringe housing is (7) A threaded baffle (10) is fixed at the tail through a threaded connection, and the blood collection tube (5) includes a blood collection tube body (11), a fluorescent scale (12), a protective top cover (13), and a rubber diaphragm (14), The blood collection tube body (11) is a test tube-like structure with a threaded top opening, the middle part of the surface of the blood collection tube body (11) is coated with a fluorescent scale (12), and the top of the blood collection tube (5) is threadedly connected with a protective top. A cover (13), wherein a rubber diaphragm (14) is fixed in the middle of the top end of the protective top cover (13).

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