CN213665286U

CN213665286U - Artery hemostix capable of automatically isolating air

Info

Publication number: CN213665286U
Application number: CN202021408189.5U
Authority: CN
Inventors: 陆红
Original assignee: First Hospital of Jiaxing
Current assignee: First Hospital of Jiaxing
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-07-13
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses an artery hemostix capable of automatically isolating air, which comprises a hemostix body and a cap assembly, wherein the hemostix body comprises a needle tube, a piston rod, a needle seat, a needle body and a sealing block, the piston rod extends into the needle tube, the sealing block is arranged in the needle tube in a laminating manner, the needle body is arranged in the needle seat, the two ends of the needle body protrude out of the needle seat, the needle seat is detachably connected with the needle tube, and the needle body can penetrate through the sealing block and enter the interior of the needle tube; the cap component comprises a cap body, a connecting band and a limiting ring, one end of the connecting band is connected with the limiting ring, the other end of the connecting band is connected with the cap body, the limiting ring is sleeved on the outer wall of the needle tube, and the cap body is used for sealing the needle tube. The utility model discloses the realization is got the blood in-process and is got the air separation after the blood completion, guarantees the quality of blood sample, makes things convenient for the assembly of block simultaneously, improves the assembly effect.

Description

Artery hemostix capable of automatically isolating air

Technical Field

The utility model belongs to the field of medical appliances, concretely relates to but arterial hemostix of automatic isolation air.

Background

The arterial blood gas analysis has important significance for clinically guiding various parameters of oxygen therapy adjusting mechanical ventilation and correcting acid-base and electrolyte imbalance and the like, the arterial blood sample collection method has important influence on the blood gas analysis result, and main influencing factors include whether the sampling process and the later-stage inspection are isolated from air, whether blood coagulation is carried out and the like. The arterial hemostix then corresponds be used for gathering, preliminary save arterial blood sample and carry out external diagnostic test, present arterial hemostix, mainly include the syringe needle, needle tubing and block, after the blood sampling is accomplished, demolish the syringe needle, carry out the isolation of air after covering the block, the condition that takes place the contact with the air appears easily in operation process, and the three is the packing of disconnect-type, need assemble one by one, very influence efficiency, drop easily or lose in the assembling process simultaneously, cause the unqualified condition of blood sample.

SUMMERY OF THE UTILITY MODEL

The utility model provides an artery hemostix which is convenient to assemble and can automatically isolate air, in order to avoid the defects of the prior art.

The utility model provides a technical problem adopt following technical scheme: an artery hemostix capable of automatically isolating air comprises a hemostix body and a cap assembly, wherein the hemostix body comprises a needle tube, a piston rod, a needle seat, a needle body and a sealing block, the piston rod extends into the needle tube, the sealing block is attached and arranged in the needle tube, the needle body is arranged in the needle seat, the two ends of the needle body protrude out of the needle seat, the needle seat is detachably connected with the needle tube, and the needle body can penetrate through the sealing block and enter the needle tube; the cap component comprises a cap body, a connecting band and a limiting ring, one end of the connecting band is connected with the limiting ring, the other end of the connecting band is connected with the cap body, the limiting ring is sleeved on the outer wall of the needle tube, and the cap body is used for sealing the needle tube.

Furthermore, the head of the needle tube is provided with a joint, the joint is provided with a through hole, the through hole extends into the needle tube, the needle seat is sleeved on the joint, and one side of the needle body penetrates through the through hole and enters the needle tube.

Further, the sealing block is made of rubber, and the sealing block is attached to the inner wall of the head of the needle tube and seals the through hole.

Furthermore, the limiting ring is attached to the outer wall of the needle tube, and the limiting ring can move linearly along the needle tube.

Furthermore, the connecting band adopts plastics to make, the connecting band bilateral symmetry is provided with a plurality of incisions.

The beneficial effects of the utility model

The utility model discloses a sealed piece realizes the inside sealed piece of needle tubing, avoids taking place the contact with the outside air, and through the assembly of needle file, the needle body passes sealed piece, normally gets the blood operation, after shifting out the needle file, continues to realize keeping apart with the automation of air by sealed piece, simultaneously with block subassembly lug connection on the needle tubing, avoid dropping and losing of block subassembly, and made things convenient for the process that the lid closed, improved the efficiency of getting blood.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not to be considered limiting of the scope of the present disclosure.

Fig. 1 is a schematic view of the whole structure of an arterial hemostix of the present invention capable of automatically isolating air;

fig. 2 is a schematic cross-sectional view of a blood collector body of an arterial blood collector capable of automatically isolating air according to the present invention;

FIG. 3 is a schematic view showing the connection between the needle seat and the needle body of the arterial hemostix of the present invention capable of automatically isolating air;

FIG. 4 is a schematic view of the connection between the needle tube and the sealing block of the automatic air isolation arterial hemostix of the present invention;

fig. 5 is a schematic plan view of a cap assembly of an arterial hemostix of the present invention capable of automatically isolating air;

fig. 6 is an enlarged schematic view of a part a of the arterial hemostix of the present invention capable of automatically isolating air.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Therefore, the following detailed description of the embodiments of the present invention, which is provided in connection with the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention, and all other embodiments obtained by those of ordinary skill in the art without any inventive effort based on the embodiments of the present invention are within the scope of the invention.

The terminology used herein is for the purpose of explaining the embodiments and is not intended to limit and/or define the invention. It is to be understood that the terms "head", "tail", "left", "right", and the like, refer to orientations or positional relationships based on those shown in the drawings, or those conventionally placed during use of the present invention, or those conventionally understood by those skilled in the art, and are used merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The utility model provides an arterial hemostix mainly includes hemostix body and block subassembly, gets the blood operation by the hemostix body, seals the hemostix body of blood sampling completion by the block subassembly, guarantees that the safety of blood sample is effective.

Example 1

As shown in fig. 1-4, in this embodiment, the hemostix body mainly includes a needle tube 100, a piston rod 200, a needle holder 300, a needle 400 and a sealing block 500, the piston rod 200 extends into the needle tube 100, the piston rod 200, the needle tube 100 and the needle holder 300 all adopt a structure common in the field, which can achieve the corresponding extraction and the effect of connecting the needle, the sealing block 500 is attached and disposed in the needle tube 100, the needle 400 is disposed in the needle holder 300 and the two ends of the needle 400 protrude out of the needle holder 300, the needle holder 300 and the needle tube 100 are detachably connected, the needle 400 can pass through the sealing block 500 and enter the needle tube 100,

meanwhile, the corresponding head of the needle tube 100 is provided with a joint 110, the joint 110 is provided with a through hole, the through hole extends into the needle tube 100, the needle base 300 is sleeved on the joint 110, the joint 110 adopts a column structure which is universal in the field, the specific inner wall of the needle base 300 is attached to the outer wall of the joint 110, the needle base 300 has friction and is not easy to loosen after being inserted, and the blood taking operation is convenient to carry out, one side of the needle body 400 passes through the through hole and enters the needle tube 100, namely, the two ends of the needle body 400 extend to the outer side of the needle base 300, one end of the needle body is used for contacting with a human body to take blood, the other end of the needle body is inserted into a sealing block and enters the needle tube 100, the blood enters the needle tube 100 through the needle body 400 to be stored, wherein the sealing block 500 is made of, sealing block 500 is discoid promptly, and direct inseparable fixing is inside needle tubing 100, and rubber materials makes things convenient for the syringe needle in the needle body 400 to insert, and when the needle body 400 shifted out simultaneously, through its elasticity itself, pass the pinhole extrusion that the needle body 400 produced and disappear, and when getting blood and accomplishing promptly, needle file 300 extracted, realized promptly with the isolated of air, guaranteed the quality of blood sample, avoided by air pollution. As shown in fig. 5-6, in this embodiment, the cap assembly mainly includes a cap body 600, a connection band 700 and a limit ring 800, one end of the connection band 700 is connected to the limit ring 800, the other end of the connection band 700 is connected to the cap body 600, the limit ring 800 is sleeved on the outer wall of the needle tube 100, the cap body 600 is used to seal the needle tube 100, the cap body 600 adopts a structure commonly used in the field, and plays a further sealing role, the limit ring 800 is attached to the outer wall of the needle tube 100, the limit ring 800 can move linearly along the needle tube 100, i.e. can slide on the needle tube 100, and is more flexible, the connection band 700 is made of plastic, the connection band 700 is symmetrically provided with a plurality of notches 710, the distance between two adjacent notches is 3-5mm, and the distance between two opposite notches is about 1mm, through the incision, when the cap body 600 needs to be separated, the connecting band 700 is twisted, so that the connecting band 700 can be broken, the cap body 600 can be separated, and the cap body 600 can be assembled on the needle tube 100 more directly and conveniently.

It should be noted that, in the present invention, the unexplained connection mode between the components can be the connection mode commonly used in the field. The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.

Claims

1. An arterial hemostix capable of automatically isolating air is characterized by comprising a hemostix body and a cap assembly,

the hemostix body comprises a needle tube, a piston rod, needle seats, a needle body and a sealing block, wherein the piston rod extends into the needle tube, the sealing block is arranged in the needle tube in a fitting manner, the needle body is arranged in the needle seat, the two ends of the needle body protrude out of the needle seats, the needle seat is detachably connected with the needle tube, and the needle body can penetrate through the sealing block and enter the needle tube;

the cap component comprises a cap body, a connecting band and a limiting ring, one end of the connecting band is connected with the limiting ring, the other end of the connecting band is connected with the cap body, the limiting ring is sleeved on the outer wall of the needle tube, and the cap body is used for sealing the needle tube.

2. The device for automatically isolating air according to claim 1, wherein the needle tube head is provided with a joint, the joint is provided with a through hole, the through hole extends into the needle tube, the needle seat is sleeved on the joint, and one side of the needle tube passes through the through hole and enters into the needle tube.

3. The arterial hemostix according to claim 2, wherein the sealing block is made of rubber and is attached to the inner wall of the needle tube head to close the through hole.

4. The device for collecting arterial blood according to claim 3, wherein said limiting ring is attached to the outer wall of said needle tube, said limiting ring can move linearly along said needle tube.

5. The device for collecting arterial blood according to claim 4, wherein said connecting band is made of plastic, and said connecting band is symmetrically provided with a plurality of cuts.