CN211042835U

CN211042835U - Medical science inspection sampling tube

Info

Publication number: CN211042835U
Application number: CN201922125136.6U
Authority: CN
Inventors: 杨忠玲
Original assignee: Third Affiliated Hospital Of Guizhou Medical University
Current assignee: Third Affiliated Hospital Of Guizhou Medical University
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-07-17
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a medical examination sampling tube, which relates to the technical field of medical examination equipment, and comprises a tube body, wherein a piston is movably arranged in the tube body, a screwed part is integrally formed at the bottom end of the tube body, a sampling head is screwed at the bottom of the tube body through the screwed part, the top end of the piston is connected with a piston rod which can extend to the upper part of the top of the tube body, a pull plate is arranged at one end of the piston rod which is positioned above the top of the tube body, a sealing washer is sleeved at the screwed part of the sampling head and the tube body, the utility model can disassemble the sampling tube by screwing the screwed part at the bottom of the tube body with the sampling head, so that the sampling tube can replace sampling heads with different lengths according to sampling requirements, thereby meeting different sampling requirements, effectively improving the practicability of the sampling tube, and simultaneously sealing the screwed part of the sampling head and the tube body through the sealing washer, so as to ensure the tightness of the tube body during sampling.

Description

Medical science inspection sampling tube

Technical Field

The utility model belongs to the technical field of medical science check-out set, concretely relates to medical science inspection sampling tube.

Background

Medical testing is a science of microbiology, immunology, biochemistry, genetics, hematology, biophysics, cytology, etc., of materials taken from the human body, providing information for the prevention, diagnosis and treatment of human diseases and for the assessment of human health. Need use the sampling tube in medical science inspection process, the rubber gasbag at the glass straw and top is constituteed mostly to the sample straw to absorb the inspection liquid, reach the purpose of sample.

However, the medical examination sampling tube on the market still has certain defects in the using process, such as: most formula structures as an organic whole of traditional sampling tube, the sampling head is not convenient for dismantle, change, can not change different sampling heads according to different sample demands, and the practicality is low, and in addition, the syringe needle can not be installed to the sampling head of traditional sampling tube, and dismantles the degree of difficulty big, is not convenient for take a sample to sealed detection liquid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical science inspection sampling tube to propose in solving above-mentioned background art, the sampling head is not convenient for dismantle, change, can not change different sampling heads according to different sample demands, can not install the syringe needle in addition, and dismantle the degree of difficulty big, be not convenient for carry out the problem of taking a sample to sealed detection liquid.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a medical science inspection sampling tube, includes the body, the inside activity of body is provided with the piston, and the bottom integrated into one piece of body has the spiro union portion, the bottom of body has the sampling head through the spiro union portion spiro union, the top of piston is connected with the piston rod of extensible to body top, simultaneously the arm-tie is installed to the one end that the piston rod is located body top, the spiro union department of sampling head and body still overlaps and is equipped with seal ring.

Preferably, the below of sampling head still is provided with the syringe needle, and the bottom of sampling head sets up four spouts that are the annular array and distribute along its periphery, four draw-in grooves have been seted up to the top bilateral symmetry of spout, simultaneously the top of syringe needle is fixed with the adapter sleeve, and installs the slider with four spout one-to-ones around the inner wall of adapter sleeve, four the chamber groove has all been seted up to the inside top of slider, and the inside in four chamber grooves all blocks and is equipped with the spring, four the both ends of spring all are connected with the fixture block that can extend to the slider outside through the movable plate, and four fixture blocks and four draw-in grooves one-to-ones.

Preferably, the front surface of the pipe body is further sprayed with a metering structure, and the metering structure consists of scale marks and scale indication values.

Preferably, the top bilateral symmetry of body is fixed with two fingers, and all seted up the arc groove in the middle of the bottom of two fingers.

Preferably, the opposite corners of the sliding block relative to one end of the connecting sleeve are in arc chamfer transition to form smooth arc ends of the surface wall.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a spiro union portion and sampling probe of body bottom carry out the spiro union, can realize that the sampling tube can be dismantled for the sampling tube can be according to the sampling probe of the different length of sample demand change, so that the sampling tube satisfies different sample demands, the effectual practicality that improves the sampling tube seals the spiro union department of sampling probe and body through seal ring simultaneously, with the leakproofness when guaranteeing the body sample.

(2) The utility model discloses a setting of slider and spout can realize that the slip of syringe needle cup joints, and through the setting of fixture block, draw-in groove and spring, the joint of realizing the syringe needle is fixed simultaneously to the slip dismouting of the syringe needle of being convenient for, the effectual convenience that improves the syringe needle dismouting is convenient for take a sample to sealed detection liquid, has further improved the practicality of sampling tube.

Drawings

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

FIG. 2 is an external view of the present invention;

FIG. 3 is an external view of the syringe needle of the present invention after being disassembled;

FIG. 4 is a cross-sectional view of the connection position of the connection sleeve and the sampling head of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 1;

FIG. 6 is an enlarged view of FIG. 1 at B;

FIG. 7 is an enlarged view at C in FIG. 4;

in the figure: 1-a pipe body; 2-a piston rod; 3-pulling a plate; 4-finger; 5-arc groove; 6-needle head; 7-connecting sleeves; 8-a sampling head; 9-a sealing gasket; 10-a piston; 11-a metering structure; 12-a chute; 13-a slide block; 14-a screw joint; 15-a fixture block; 16-a card slot; 17-cavity groove; 18-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a medical examination sampling tube, which comprises a tube body 1, a piston 10 is movably arranged in the tube body 1, and the bottom end of the tube body 1 is integrally formed with a screw joint part 14, the bottom of the tube body 1 is screwed with a sampling head 8 through the screw joint part 14, the top end of the piston 10 is connected with a piston rod 2 which can extend to the upper part of the top of the tube body 1, meanwhile, one end of the piston rod 2, which is positioned above the top of the tube body 1, is provided with a pulling plate 3, a sealing washer 9 is also sleeved at the threaded connection part of the sampling head 8 and the tube body 1, the sampling tube can be disassembled by screwing the screw joint part 14 at the bottom of the tube body 1 with the sampling head 8, so that the sampling tube can replace the sampling head 8 with different lengths according to the sampling requirements, thereby being convenient for the sampling tube to meet different sampling requirements, effectively improving the practicability of the sampling tube, simultaneously, the bolt joint of the sampling head 8 and the pipe body 1 is sealed through a sealing washer 9, so that the tightness of the pipe body 1 during sampling is ensured.

Furthermore, a needle 6 is further arranged below the sampling head 8, four sliding grooves 12 distributed in an annular array are formed in the bottom of the sampling head 8 along the outer circumferential surface of the sampling head, clamping grooves 16 are symmetrically formed in two sides of the top of each sliding groove 12, a connecting sleeve 7 is fixed at the top end of the needle 6, sliders 13 corresponding to the four sliding grooves 12 one by one are mounted on the periphery of the inner wall of the connecting sleeve 7, cavity grooves 17 are formed in the top ends of the four sliders 13, springs 18 are clamped in the four cavity grooves 17, two ends of each spring 18 are connected with clamping blocks 15 capable of extending to the outer portions of the sliders 13 through moving plates, the four clamping blocks 15 correspond to the four clamping grooves 16 one by one, the sliding sleeve connection of the needle 6 can be achieved through the arrangement of the sliders 13 and the sliding grooves 12, meanwhile, the clamping and fixing of the needle 6 can be achieved through the arrangement of the clamping blocks 15, the clamping grooves 16, the convenience of 6 dismouting of syringe needle has effectually been improved, is convenient for take a sample to sealed detection liquid, has further improved the practicality of sampling tube.

Specifically, the front surface of body 1 has still the spraying to have measurement structure 11, and measurement structure 11 comprises scale mark and scale indicating value to in time master the sample volume for the sampling personnel.

It is worth explaining that, two fingers 4 are fixed with to the top bilateral symmetry of body 1, and all seted up arc groove 5 in the middle of two fingers 4's the bottom, and the radian of arc groove 5 matches with finger portion radian for finger portion and arc groove 5 are laminated mutually, and then are convenient for the finger to catch on finger 4, drive piston 10 through arm-tie 3 and piston rod 2 and remove.

Furthermore, the opposite corners of the sliding block 13 relative to one end of the connecting sleeve 7 are all transited by arc chamfers to form smooth arc ends of the surface wall, so that the sliding block 13 can slide along the sliding groove 12.

The utility model discloses a theory of operation and use flow: when the utility model is used, a sampler can select a proper sampling head 8 according to the sampling requirement, the sampling head 8 is screwed at the bottom of the pipe body 1 through the screw part 14, then the sampler inserts the sampling head 8 into a container, the piston rod 2 is pulled through the finger rod 4 and the pull plate 3, the piston rod 2 drives the piston 10 to move so as to suck the liquid to be detected in the container into the pipe body 1, meanwhile, the sampler can grasp the sampling amount in time through the metering structure 11, then the detection liquid is put into the detection equipment for detection, thereby realizing liquid sampling, in addition, when the liquid in the sealed container needs to be sampled, the sampler can slide and sleeve the needle 6 at the bottom of the sampling head 8 through the slider 13 and the chute 12 until the clamping block 15 is clamped into the clamping groove 16 under the action of the spring 18 so as to clamp and fix the needle 6 and the sampling head 8, then the sampler holds the pipe body 1, the needle 6 is inserted through the sealing plug on the sealed container to draw the liquid in the sealed container to the inside of the tube body 1, so as to realize the sampling of the liquid in the sealed container.

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 medical examination sampling tube, characterized in that: including body (1), the inside activity of body (1) is provided with piston (10), and the bottom integrated into one piece of body (1) has spiro union portion (14), the bottom of body (1) has sampling head (8) through spiro union portion (14) spiro union, the top of piston (10) is connected with piston rod (2) of extensible to body (1) top, simultaneously arm-tie (3) are installed to the one end that piston rod (2) are located body (1) top, sampling head (8) still overlap with the spiro union department of body (1) and are equipped with seal ring (9).

2. A medical test coupon as defined in claim 1, wherein: the needle head (6) is further arranged below the sampling head (8), four sliding grooves (12) distributed in an annular array are formed in the bottom of the sampling head (8) along the outer circumferential surface of the sampling head, four clamping grooves (16) are symmetrically formed in the two sides of the top of each sliding groove (12), meanwhile, a connecting sleeve (7) is fixed to the top end of the needle head (6), sliding blocks (13) which correspond to the four sliding grooves (12) in a one-to-one mode are arranged on the periphery of the inner wall of the connecting sleeve (7), four cavity grooves (17) are formed in the top end of the inside of each sliding block (13), springs (18) are clamped inside the four cavity grooves (17) and connected with clamping blocks (15) which can extend to the outside of the sliding blocks (13) through moving plates, and the four clamping blocks (15) correspond to the four clamping grooves (16).

3. A medical test coupon as defined in claim 1, wherein: the front surface of body (1) has still spraying metering structure (11), metering structure (11) comprises scale mark and scale indicating value.

4. A medical test coupon as defined in claim 1, wherein: two finger rods (4) are symmetrically fixed on two sides of the top of the pipe body (1), and arc grooves (5) are formed in the middle of the bottoms of the two finger rods (4).

5. A medical test coupon as defined in claim 2, further comprising: the opposite angles of the sliding block (13) relative to one end of the connecting sleeve (7) are in arc chamfer transition to form smooth arc ends of the surface wall.