CN219374672U - Prevent stabbing vein blood sampling device - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to a puncture-preventing venous blood sampling device, which comprises: the cylinder body is a novel puncture-proof venous blood sampling device main body; the needle handle and the thread ring are both fixed on the outer surface of the cylinder; the thread sleeve is sleeved on the outer surface of the cylinder body through a thread ring; the hose, the arc plate and the fixing plate are arranged on one side of the cylinder body, and the hose is communicated with the needle handle; the screw penetrates through the top of the arc plate and is in threaded connection with the arc plate; a pressing plate fixed to the bottom of the screw; and the needle head is communicated with the other side of the cylinder body. The utility model overcomes the defects of the prior art, after blood collection is finished, medical staff drives the pressing plate to move downwards and squeeze the hose by rotating the screw, and the pressing plate crushes the hose by providing the supporting function for the hose and the pressing plate by arranging the fixing plate, so that the problem that blood resource waste is caused by the fact that blood can overflow from the needle head through the hose is effectively solved.

Description

Prevent stabbing vein blood sampling device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a puncture-preventing venous blood sampling device.

Background

Needle stick injuries are accidental injuries that cause bleeding by various medical sharp-pointed devices pricking the skin during medical work, and intravenous blood sampling technology is used as a detection means for centuries, often used for laboratory detection to aid clinical diagnosis and health assessment, until now still the most common invasive medical procedure in clinic, and a blood taking needle is an instrument used for collecting blood samples during medical examination, and blood sampling can be performed on veins by using the blood taking needle to complete various detections.

According to the puncture-preventing vein blood sampling device with the publication number of CN209712928U, the puncture-preventing vein blood sampling device comprises a blood sampling needle and a blood guide tube, wherein one end of the blood sampling needle far away from a needle head is provided with a connecting piece which is communicated with the blood guide tube, the blood sampling needle is used for vein blood sampling when blood sampling is carried out, the needle head is always exposed in the air after blood sampling is finished and in the process of discarding, the used sharp needle head is put into a full sharp box, when the sharp box is tightly sealed, medical staff is punctured, the infection of the medical staff is seriously possibly caused, and the safety performance is insufficient; secondly, after the existing blood collection is finished, after the needle head of the existing blood collection is moved out of the vein of a hemostix, blood can overflow from the needle head through a hose, and waste of blood resources is caused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an anti-puncture venous blood sampling device, which aims to solve the problems that in the prior art, a blood sampling needle is exposed in the air after being used, medical staff is easily punctured by the needle to cause infection risk, safety is insufficient, and blood can overflow from a needle head through a hose to cause blood resource waste.

In order to solve the technical problems, the utility model provides the following technical scheme:

a puncture-resistant venous blood collection device comprising:

the cylinder body is a novel puncture-proof venous blood sampling device main body;

the needle handle and the thread ring are fixed on the outer surface of the cylinder;

the thread sleeve is sleeved on the outer surface of the cylinder body through a thread ring;

the hose, the arc plate and the fixing plate are arranged on one side of the cylinder body, and the hose is communicated with the needle handle;

the screw penetrates through the top of the arc plate and is in threaded connection with the arc plate;

a pressing plate fixed to the bottom of the screw;

and the needle head is communicated with the other side of the cylinder body.

Preferably, the cylinder further comprises:

the limiting rods are fixed in the threaded sleeves, a plurality of groups of limiting rods are arranged, and the limiting rods are arranged in the threaded sleeves in a 360-degree surrounding mode by taking the threaded sleeves as the centers.

Preferably, the cylinder further comprises:

the needle handle extends a length greater than the length of the needle.

Preferably, the cylinder further comprises:

and a bearing is arranged between the screw rod and the pressing plate.

Preferably, the cylinder further comprises:

the hose is made of transparent rubber materials.

The embodiment of the utility model provides a puncture-proof venous blood sampling device, which has the following beneficial effects: after blood sampling is accomplished, medical staff passes through the rotation screw rod, and the screw rod drives the clamp plate and moves down and extrude the hose, through setting up the fixed plate, provides the effect of support for hose and clamp plate, and the clamp plate flattens the hose, further avoids blood to overflow through the hose, and the effectual blood that solves can overflow from the syringe needle through the hose, causes the problem of blood waste.

1. Through setting up screw thread circle, thread bush and gag lever post, blood sampling device is after drawing blood person, medical staff pulls out the syringe needle from blood person's vein, through rotatory thread bush, thread bush and screw thread circle take place the screw thread motion, further the thread bush moves from right left, until the thread bush covers the syringe needle, and under the spacing effect of gag lever post, the thread bush can not follow the surface of barrel and shift out, the thread bush covers the syringe needle, the effectual solution blood taking needle of stabbing medical staff exposes in the air after having used, make medical staff stab easily, cause the risk of infection, the not enough problem of security.

2. Through setting up fixed plate, screw rod and clamp plate, after the blood sampling is accomplished, medical staff passes through the rotation screw rod, and the screw rod drives clamp plate downwardly moving and extrudes the hose, through setting up the fixed plate, provides the effect of support for hose and clamp plate, and the clamp plate flattens the hose, further avoids blood to overflow through the hose, and the effectual solution blood can overflow from the syringe needle through the hose, causes the problem of blood waste.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the thread turns of the present utility model;

FIG. 3 is a schematic view of the platen structure of the present utility model.

In the figure: 1. a cylinder; 2. a needle handle; 3. a thread ring; 4. a thread sleeve; 5. a limit rod; 6. a hose; 7. an arc plate; 8. a fixing plate; 9. a screw; 10. a pressing plate; 11. a needle.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1 and 2, a puncture-proof venous blood sampling device includes: the cylinder body 1 is a bridge for communicating the needle 11 and the hose 6 and is a main body of the novel puncture-proof venous blood sampling device; the needle handle 2 and the thread ring 3 are arranged on the outer surface of the needle handle 2, so that medical staff can conveniently pinch the needle handle 2 to pierce a needle head into veins of a hemostix, and the needle handle 2 and the thread ring 3 are fixed on the outer surface of the cylinder 1; the thread sleeve 4 is sleeved on the outer surface of the cylinder body 1 through the thread ring 3; the limiting rods 5 are arranged on two sides of the inside of the thread sleeve 4, so that the effect of limiting the thread sleeve 4 to move leftmost or rightmost is achieved, the effect of avoiding separation from connection with the thread ring 3 is avoided, the limiting rods 5 are fixed in the thread sleeve 4, a plurality of groups of limiting rods 5 are arranged, and the limiting rods 5 are circumferentially arranged in the thread sleeve 4 in 360 degrees around the thread sleeve 4; the needle 11 is communicated with the other side of the cylinder body 1, and the length of the threaded sleeve 4 moving to the left can cover the length of the needle 11, so that the effect of preventing people from being stabbed can be further achieved.

As shown in fig. 3, includes: the hose 6, the arc plate 7 and the fixing plate 8 are made of transparent rubber materials, the hose 6 is good in transparency and elasticity, the hose 6 is arranged on one side of the cylinder 1, and the hose 6 is communicated with the needle handle 2; the screw rod 9 is connected with a bearing between the screw rod 9 and the pressing plate 10, so that the pressing plate 10 is not driven to rotate in situ during the rotation of the screw rod 9, the pressing plate 10 is further driven to move up and down, the hose 6 can be flattened, the effect that blood cannot overflow is achieved, the hose penetrates through the top of the arc plate 7, and the screw rod 9 is in threaded connection with the arc plate 7; a pressing plate 10 fixed to the bottom of the screw 9.

Working principle: firstly, medical staff inserts needle 11 into the vein of blood collector through holding needle handle 2, after blood collection is accomplished, medical staff passes through rotation screw rod 9, screw rod 9 drives clamp plate 10 and moves down and extrude hose 6, through setting up fixed plate 8, for hose 6 and clamp plate 10 provide the effect of support, clamp plate 10 flattens the hose, further avoid blood to overflow through hose 6, pull out needle 11 through needle handle 2 again, through rotatory thread bush 4, thread bush 4 and thread circle 3 take place the screw thread motion, further thread bush 4 moves from right left until thread bush 4 covers needle 11, and under the spacing effect of gag lever post 5, thread bush 4 can not follow the surface removal of barrel 1, thread bush 4 covers needle 11, reach the effect that prevents stabbing medical staff.

Claims (6)

1. An anti-puncture intravenous blood collection device, comprising:

the cylinder body (1) is a novel puncture-proof venous blood sampling device main body;

a needle handle (2) and a thread ring (3), which are both fixed on the outer surface of the cylinder (1);

the thread sleeve (4) is sleeved on the outer surface of the cylinder body (1) through a thread ring (3);

the hose (6), the arc plate (7) and the fixing plate (8) are arranged on one side of the cylinder body (1), and the hose (6) is communicated with the needle handle (2);

the screw rod (9) penetrates through the top of the arc plate (7), and the screw rod (9) is in threaded connection with the arc plate (7);

a pressing plate (10) fixed to the bottom of the screw (9);

and the needle (11) is communicated with the other side of the cylinder (1).

2. The puncture-resistant venous blood collection device according to claim 1, wherein the cartridge (1) further comprises:

the limiting rod (5) is fixed in the threaded sleeve (4), a plurality of groups of limiting rods (5) are arranged, and the limiting rods (5) are arranged in the threaded sleeve (4) in a 360-degree surrounding mode by taking the threaded sleeve (4) as the center.

3. The puncture-resistant venous blood collection device according to claim 1, wherein the cartridge (1) further comprises:

the outer surface of the needle handle (2) is provided with anti-skid patterns.

4. The puncture-resistant venous blood collection device according to claim 1, wherein the cartridge (1) further comprises:

the thread sleeve (4) extends to a length greater than the length of the needle (11).

5. The puncture-resistant venous blood collection device according to claim 1, wherein the cartridge (1) further comprises:

a bearing is arranged between the screw rod (9) and the pressing plate (10).

6. The puncture-resistant venous blood collection device according to claim 1, wherein the cartridge (1) further comprises:

the hose (6) is made of transparent rubber materials.