CN213525158U

CN213525158U - Clinical laboratory uses blood sampler

Info

Publication number: CN213525158U
Application number: CN202021284347.0U
Authority: CN
Inventors: 丁守英; 梁瑞敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-06-25
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a clinical laboratory blood sampler, which comprises a needle cylinder, scales are pasted on the outer surface of the needle cylinder, a nut is in threaded connection with the outer side of the needle cylinder, a needle mouth is fixedly connected with one end of the needle cylinder, a needle head is sleeved on the outer side of the needle mouth, a needle tube is fixedly connected with the front end of the needle head, a needle hole is arranged on the outer surface of the needle tube, a side wing is fixedly connected with the other end of the needle cylinder, an inner tube is fixedly connected with the inner part of the needle cylinder, a spring is sleeved on the outer side of the inner tube, a piston is slidably connected with the inner wall of the inner tube, a connecting rod is clamped on the side surface of the piston, a pushing block is fixedly connected with the tail end of the connecting rod, a push rod is fixedly connected with the side surface of the pushing block, and a fixed column is fixedly connected with the front end, the contact between the blood and the air is large, and the accuracy of the blood extraction amount is poor.

Description

Clinical laboratory uses blood sampler

Technical Field

The utility model relates to a blood sampling technical field specifically is a clinical laboratory uses blood sampler.

Background

The blood test is the most general and basic blood test, and refers to a test for determining the conditions of anemia, cholesterol, diabetes, various infections, renal function, calcium, liver function, blood diseases, body abnormalities, and the like of a human body by a blood analysis test. It is one of the most common tests in hospitals, and the blood examination is specified by orders, and the doctor uses the examination result to clarify or support diagnosis, supervision or decision treatment means, and to screen undetermined illness, and the blood sampler is needed in the blood examination.

However, in the existing blood sampler, when the blood sampler is inserted, skin tissues easily enter the needle tube to block the needle tube, the blood sampling speed is low, semi-automatic blood sampling cannot be realized, limitation can not be performed according to the blood sampling amount conveniently, the contact between blood and air is large, and the accuracy of the blood sampling amount is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a clinical laboratory uses blood sampler to it blocks up the speed of drawing blood slowly and can not semi-automatization and inconvenient to inject the volume of drawing blood volume, blood and air contact are big and the volume of drawing blood advances the poor problem of accuracy to solve among the above-mentioned background art easily.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a clinical laboratory uses blood sampler, includes the cylinder, the surface paste of cylinder has the scale, the outside threaded connection of cylinder has the nut, the one end fixedly connected with needle mouth of cylinder, the syringe needle has been cup jointed in the outside of needle mouth, the front end fixedly connected with needle tubing of syringe needle, the pinhole has been seted up to the surface of needle tubing, the other end fixedly connected with flank of cylinder, the inside fixedly connected with inner tube of cylinder, the spring has been cup jointed in the outside of inner tube, the inner wall sliding connection of inner tube has the piston, piston side joint has the connecting rod, the tail end fixedly connected with ejector pad of connecting rod, the side fixedly connected with push rod of ejector pad, the front end fixedly connected with fixed column of push rod.

Preferably, the diameter of the needle cylinder is larger than that of the inner cylinder, a spring is sleeved at the intersection of the needle cylinder and the inner cylinder, and the needle cylinder and the inner cylinder are of an integrated structure.

Further preferably, the needle holes are arranged in a plurality and are positioned on the outer side of the front end of the needle tube.

Further preferably, the inner diameter of the nut is matched with the outer diameter of the needle cylinder, the outer surface of the needle cylinder is provided with threads, and the needle cylinder is in threaded connection with the nut.

Further preferably, a groove is formed in the intersection of the needle cylinder and the fixing column, the width of the groove is equal to the diameter of the fixing column, and the fixing column and the push rod are of an integrated structure.

Further preferably, the scales are provided with a plurality of scales, the diameters of the scales are equal in distance, and the scales are connected with the needle cylinder in a sticking mode.

(III) advantageous effects

The utility model provides a clinical laboratory uses blood sampler possesses following beneficial effect:

the blood sampler for the clinical laboratory comprises a needle hole, a spring, a nut and a push rod, wherein when the blood sampler is used, medical staff firstly thoroughly disinfects the sampler, the medical staff raises a needle tube by about sixty degrees, index finger and middle finger are respectively placed at two sides of a side wing, thumb is placed on a push block to upwards push the push rod and a connecting rod, so that the connecting rod pushes a piston and the push rod to compress the spring, the piston can push redundant air in the needle tube to be discharged, then the medical staff rotates the nut at the outer side of the needle tube, the medical staff can extract scales of blood volume as required to rotate the nut, then the staff inserts the needle tube into the blood tube, and loosens the push block on the thumb, so that the blood in the blood tube can enter an inner barrel of the needle tube through the needle hole at the outer side of the needle tube, the front end of the needle tube is not provided with the needle hole, and when the, and can also accelerate the speed of drawing blood, thumb when medical staff loosens, can make the spring of spring compressed slowly kick-back and promote the push rod and make the push rod promote the ejector pad, thereby make the connecting rod drive the piston and slide at the inner tube inner wall, and when the fixed column on the push rod is blocked by the nut, will stop drawing blood, medical staff afterwards extract can, so can realize semi-automatization and draw blood, and can prescribe a limit to according to the amount of blood that draws, reduce the contact of blood and air, the precision of effectual improvement blood extraction.

Drawings

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

FIG. 2 is a sectional view of the syringe structure of the present invention;

fig. 3 is an enlarged view of a partial structure of the needle tube of the present invention.

In the figure: 1. a needle tube; 101. a pinhole; 2. a needle head; 3. a needle nozzle; 4. calibration; 5. a needle cylinder; 501. an inner barrel; 6. a spring; 7. a piston; 8. fixing a column; 9. a connecting rod; 901. a push rod; 10. a nut; 11. a side wing; 12. and (7) pushing the block.

Detailed Description

The technical solution 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, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a clinical laboratory uses blood sampler, including cylinder 5, the outer surface paste of cylinder 5 has scale 4, the outside threaded connection of cylinder 5 has nut 10, the one end fixedly connected with needle mouth 3 of cylinder 5, syringe needle 2 has been cup jointed in the outside of needle mouth 3, the front end fixedly connected with needle tubing 1 of syringe needle 2, pinhole 101 has been seted up to the surface of needle tubing 1, the other end fixedly connected with flank 11 of cylinder 5, the inside fixedly connected with inner tube 501 of cylinder 5, spring 6 has been cup jointed in the outside of inner tube 501, the inner wall sliding connection of inner tube 501 has piston 7, piston 7 side joint has connecting rod 9, the tail end fixedly connected with ejector pad 12 of connecting rod 9, the side fixedly connected with push rod 901 of ejector pad 12, the front end fixedly connected with fixed column 8 of push.

In this embodiment, specifically, the diameter of the syringe 5 is greater than the diameter of the inner barrel 501, the spring 6 is sleeved at the intersection of the syringe 5 and the inner barrel 501, the syringe 5 and the inner barrel 501 are of an integrated structure, when in use, medical staff thoroughly disinfect the sampler, the medical staff puts the syringe 1 upwards by about sixty degrees, the index finger and the middle finger on two sides of the wing 11 respectively, the thumb is put on the push block 12 to push the push rod 901 and the connecting rod 9 upwards, so that the connecting rod 9 pushes the piston 7 and the push rod 901 to compress the spring 6, the push of the piston 7 can discharge the excess air in the syringe 5, when the medical staff loosens the thumb, the compressed spring 6 can slowly rebound and push the push rod 901 to push the push block 12, so that the connecting rod 9 drives the piston 7 to slide on the inner wall of the inner barrel, and when the fixing column 8 on the push rod 901 is clamped by, the blood drawing can be stopped, and then the medical staff can draw out the blood, so that semi-automatic blood drawing can be realized, and the contact between the blood and the air is reduced.

In this embodiment, specifically, a plurality of needle holes 101 are provided, the needle holes 101 are located outside the front end of the needle tube 1, the medical staff inserts the needle tube 1 into the blood vessel and releases the push block 12 on the thumb, so that the blood in the blood vessel enters the inner cylinder 501 of the needle tube 5 through the needle hole 101 outside the needle tube 1, and the front end of the needle tube 1 is not provided with the needle hole 101, so that when inserting, the skin tissue is prevented from entering the needle tube 1 to block the needle tube 1, and the speed of blood drawing can be increased.

In this embodiment, specifically, the inner diameter of the nut 10 is adapted to the outer diameter of the syringe 5, the outer surface of the syringe 5 is provided with threads, the syringe 5 is in threaded connection with the nut 10, and the medical staff rotates the nut 10 on the outer side of the syringe 5, so that the medical staff can extract the scales 4 of the blood volume as required to rotate the nut 10, when the medical staff loosens the thumb, the spring 6 compressed by the spring 6 can rebound slowly and push the push rod 901 and push the push block 12, so that the connecting rod 9 drives the piston 7 to slide on the inner wall of the inner tube, and when the fixing column 8 on the push rod 901 is clamped by the nut 10, the blood drawing can be stopped.

In this embodiment, specifically, a groove is formed at the intersection of the syringe 5 and the fixing column 8, the width of the groove is equal to the diameter of the fixing column 8, the fixing column 8 and the push rod 901 are of an integrated structure, when the medical staff loosens the thumb, the compressed spring 6 of the spring 6 can slowly rebound and push the push rod 901 and the push rod 901 pushes the push block 12, so that the connecting rod 9 drives the piston 7 to slide on the inner wall of the inner tube, and when the fixing column 8 on the push rod 901 is clamped by the nut 10, the blood drawing can be stopped.

In this embodiment, it is specific, scale 4 is provided with many, and the distance of many 4 diameters of scale equals, and scale 4 is pasted with cylinder 5 and is connected, and scale 4 can make and can contrast according to required extraction blood volume when drawing blood for the extraction volume is more accurate.

The working principle is as follows: after the utility model is installed, firstly, the installation, fixation and safety protection of the utility model are checked, when in use, firstly, medical staff thoroughly disinfect the sampler, the medical staff puts the needle tube 1 upwards for about sixty degrees, the forefinger and the middle finger are respectively placed at two sides of the flank 11, the thumb is placed at the push block 12 to upwards push the push rod 901 and the connecting rod 9, so that the connecting rod 9 pushes the piston 7 and the push rod 901 to compress the spring 6, the push of the piston 7 can discharge the redundant air in the needle tube 5, then, the medical staff rotates the nut 10 at the outer side of the needle tube 5, thereby the medical staff can rotate the nut 10 according to the scale 4 for drawing the blood volume as required, then, the medical staff inserts the needle tube 1 into the blood vessel and loosens the push block 12 at the thumb, the blood in the blood vessel can enter the inner tube 501 of the needle tube 5 through the needle hole, and needle tubing 1 front end is not provided with pinhole 101, make when inserting, avoid making skin tissue get into and lead to blockking up needle tubing 1 in the needle tubing 1, and can also accelerate the speed of drawing blood, thumb when medical staff loosens, can make spring 6 that spring 6 compressed kick-back slowly and promote push rod 901 and make push rod 901 promote ejector pad 12, thereby make connecting rod 9 drive piston 7 slide at the inner tube inner wall, and when fixed column 8 on push rod 901 is blocked by nut 10, will stop to draw blood, medical staff will extract afterwards can, can realize semi-automatization drawing blood like this, and can prescribe a limit according to the extraction blood volume, reduce the contact of blood and air, the precision of effectual improvement blood extraction, just so accomplished the utility model discloses a use, the utility model discloses simple structure, convenience safe in utilization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A clinical laboratory uses blood sampler, includes cylinder (5), its characterized in that: the outer surface of the needle cylinder (5) is pasted with scales (4), the outer side of the needle cylinder (5) is in threaded connection with a nut (10), one end of the needle cylinder (5) is fixedly connected with a needle nozzle (3), the outer side of the needle nozzle (3) is sleeved with a needle head (2), the front end of the needle head (2) is fixedly connected with a needle tube (1), the outer surface of the needle tube (1) is provided with a needle hole (101), the other end of the needle cylinder (5) is fixedly connected with a side wing (11), the inner part of the needle cylinder (5) is fixedly connected with an inner cylinder (501), the outer side of the inner cylinder (501) is sleeved with a spring (6), the inner wall of the inner cylinder (501) is in sliding connection with a piston (7), the side face of the piston (7) is clamped with a connecting rod (9), the tail end of the connecting rod (9) is fixedly, the front end of the push rod (901) is fixedly connected with a fixing column (8).

2. A clinical blood sampler according to claim 1, wherein: the diameter of the needle cylinder (5) is larger than that of the inner cylinder (501), a spring (6) is sleeved at the intersection of the needle cylinder (5) and the inner cylinder (501), and the needle cylinder (5) and the inner cylinder (501) are of an integrated structure.

3. A clinical blood sampler according to claim 1, wherein: the needle hole (101) is provided with a plurality of needle holes (101), and the needle holes (101) are located on the outer side of the front end of the needle tube (1).

4. A clinical blood sampler according to claim 1, wherein: the inner diameter of the nut (10) is matched with the outer diameter of the needle cylinder (5), threads are arranged on the outer surface of the needle cylinder (5), and the needle cylinder (5) is in threaded connection with the nut (10).

5. A clinical blood sampler according to claim 1, wherein: the needle cylinder (5) and the intersection of the fixing column (8) are provided with grooves, the width of each groove is equal to the diameter of the corresponding fixing column (8), and the fixing columns (8) and the push rods (901) are of an integrated structure.

6. A clinical blood sampler according to claim 1, wherein: the scale (4) is provided with many, many the distance of scale (4) diameter equals, scale (4) and cylinder (5) are pasted and are connected.