CN218502100U

CN218502100U - Micro blood sampling test tube

Info

Publication number: CN218502100U
Application number: CN202222205264.3U
Authority: CN
Inventors: 杨顺奇; 张舒欣; 郑丹
Original assignee: Shijiazhuang Yuanding Medical Instrument Co ltd
Current assignee: Shijiazhuang Yuanding Medical Instrument Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-02-21
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a trace blood sampling test tube, include: the bottom of the inner pipe is conical, the outer pipe is sleeved outside the inner pipe, and the length of the outer pipe is longer than that of the inner pipe; a blood collection port is formed in the top of the inner tube, a positioning part is arranged on the side wall of the inner tube, a first clamping mechanism is arranged below the positioning part, and the first clamping part is fixed on the side wall of the inner tube; the outer tube is correspondingly provided with a second clamping mechanism matched with the first clamping mechanism; the utility model provides a liquid level of the multiplicable inside blood of blood sampling test tube, the check out test set of being convenient for suction.

Description

Micro blood sampling test tube

Technical Field

The utility model relates to a trace heparin tube technical field indicates a trace blood sampling test tube especially.

Background

With the continuous development of inspection medicine, the importance of the detection result of hematology is self-evident in the process of disease diagnosis, and meanwhile, the items which can be detected by blood are gradually subdivided and increased; however, children, patients with severe burns, patients with extreme obesity, patients with severe bleeding tendency, and other patients who have difficulty in blood collection are not suitable for collecting a large amount of blood, but a small amount of blood is generally collected from the capillary vessel ends of the fingers and feet, and at this time, the blood collection amount is small, so that the blood collection is not suitable for adopting a large-capacity blood collection tube, but is more suitable for adopting a small-capacity blood collection tube. Therefore, small volume blood collection tubes have great practical and clinical significance. However, in the existing blood sampling tube structure, when the blood sampling amount is small, the liquid level of the blood inside the blood sampling tube structure is low, and when the blood sampling tube structure is placed on detection equipment for detection, the blood sampling tube structure is not beneficial to automatic suction of the detection equipment, so that subsequent detection is influenced.

SUMMERY OF THE UTILITY MODEL

The main purpose of the utility model is to provide a trace blood sampling test tube to the liquid level height of its inside blood is low on the low side when the heparin volume is few to the heparin tube of solving among the prior art, is unfavorable for the automatic problem that the suction of check out test set influences follow-up detection.

In order to solve the technical problem, the utility model discloses a realize like this: a micro blood collection tube comprising: the bottom of the inner pipe is conical, the outer pipe is sleeved outside the inner pipe, and the length of the outer pipe is longer than that of the inner pipe; the blood sampling device is characterized in that a blood sampling port is formed in the top of the inner tube, a positioning part is arranged on the side wall of the inner tube, a first clamping mechanism is arranged below the positioning part, and the first clamping mechanism is fixed on the side wall of the inner tube; and a second clamping mechanism matched with the first clamping mechanism is correspondingly arranged on the outer tube.

As a further technical scheme, the locating part comprises a locating ring, the locating ring surrounds the outer wall of the inner pipe and is arranged in a protruding mode, and the top of the outer pipe is in contact with the bottom face of the locating ring.

As a further technical scheme, the first clamping mechanism comprises a first clamping part and a fixing groove arranged below the first clamping part, and the fixing groove surrounds the outer wall of the inner pipe and is inwards concave; the second clamping mechanism comprises a second clamping portion and a fixing ring arranged below the second clamping portion, the fixing ring surrounds the inner wall of the outer pipe and is arranged outwards in a protruding mode, and the fixing ring is matched with the fixing groove.

As a further technical scheme, the first clamping portion is composed of a plurality of clamping blocks, the upper end of each clamping block is rectangular, the lower end of each clamping block is triangular, the clamping blocks are uniformly arranged along the circumferential direction of the outer wall of the inner pipe, and a space is arranged between every two adjacent clamping blocks; the second joint portion is the same with first joint portion shape, the fixed top that sets up in the inside pipe wall of second joint portion, second joint portion sets up with first joint portion relatively, and the fixture block in the second joint portion blocks in proper order and establishes into the space in first joint portion.

As a further technical scheme, a scraping plate protruding upwards is fixedly arranged on the side wall of the blood sampling port.

As a further technical scheme, the scraper blade sets up along the circumferencial direction of taking a blood sample mouthful, the scraper blade is the shovel shape.

As a further technical scheme, the outer wall of the inner pipe is fixedly provided with a sealing ring which protrudes outwards, the sealing ring is arranged around the outer wall of the inner pipe, and the sealing ring is positioned above the positioning ring.

As a further technical scheme, an annular groove is formed in the top of the positioning ring and is arranged around the circumferential direction of the inner pipe.

The beneficial effects of the utility model are that:

compare traditional blood sampling test tube, the utility model provides a trace blood sampling test tube adopts the design of interior outer tube components of a whole that can function independently equipment, and wherein the outer tube can use with multiple biochemical check out test set is supporting, and the inner tube is used for the sample to preserve, through the internal diameter that reduces the inner tube to increase the height that the inner tube was located through the outer tube, with improvement sample liquid level height, make the liquid level height of a small amount of samples in the inner tube higher, provide higher liquid height for follow-up automatic check out test set sample, ensure the accuracy of sample volume, improve detection efficiency. In addition, the outer pipe and the inner pipe can be conveniently replaced by the outer pipes with different heights under different conditions through the clamping connection of the first clamping mechanism and the second clamping mechanism, so that the detection requirement can be met.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

FIG. 2 is a schematic view of the structure of the inner tube of the present invention;

FIG. 3 is a schematic view of the structure of the Chinese and foreign tubes of the present invention;

fig. 4 is an internal detail view of the present invention.

Description of the reference numerals

1. An inner tube; 2. an outer tube; 3. a blood collection port; 4. a squeegee; 5. a positioning ring; 6. a fixing groove; 7. a fixed ring; 8. a seal ring; 9. a space; 10. a groove; 11. a clamping block; 12. a second clamping part; 13. a first clamping part.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1-4, the utility model provides a micro blood sampling test tube, which comprises: the device comprises an inner tube 1 and an outer tube 2, wherein the bottom of the inner tube 1 is conical, the outer tube 2 is sleeved outside the inner tube 1, and the outer diameter of the inner tube 1 is matched with the inner diameter of the outer tube 2; in addition, a blood sampling port 3 is arranged at the top of the inner tube 1, and a scraping plate 4 protruding upwards is fixedly arranged on the side wall of the blood sampling port 3; a positioning part is arranged on the side wall of the inner tube 1, a first clamping mechanism is arranged below the positioning part, and the first clamping mechanism is fixed on the side wall of the inner tube 1; and a second clamping mechanism matched with the first clamping mechanism is correspondingly arranged on the outer tube 2. The utility model discloses well inner tube 1's internal diameter can carry out appropriate reduction according to the convenience of in-service use, and its bottom conical setting in addition can be taking the condition of a small amount of samples, promotes the liquid level height of sample, the subsequent detection of being convenient for. Meanwhile, the length of the outer tube 2 is longer than that of the inner tube 1, and when the outer tube 2 is placed on a detection device at the bottom of the detection device, the height of the inner tube 1 is increased due to the fact that the outer tube 2 is higher, so that the detection device can suck a sample.

The first clamping mechanism comprises a first clamping part 13 and a fixing groove 6 arranged below the first clamping part 13, and the fixing groove 6 surrounds the outer wall of the inner pipe 1 and is inwards concave; the second clamping mechanism comprises a second clamping portion 12 and a fixing ring 7 arranged below the second clamping portion 12, the fixing ring 7 surrounds the inner wall of the outer tube 2 and is arranged in an outward protruding mode, and the fixing ring 7 is matched with the fixing groove 6. The first clamping portion 13 is composed of a plurality of clamping blocks 11, the upper end of each clamping block 11 is rectangular, the lower end of each clamping block 11 is triangular, the clamping blocks 11 are uniformly arranged along the circumferential direction of the outer wall of the inner tube 1, and a space 9 is arranged between every two adjacent clamping blocks 11, as shown in fig. 2; the second clamping portion 12 is fixedly arranged at the top of the inner wall of the outer tube 2, the second clamping portion 12 is the same as the first clamping portion 13 in shape and also consists of a plurality of clamping blocks 11, the clamping blocks 11 are uniformly arranged along the circumferential direction of the inner wall of the outer tube 2, as shown in fig. 3, the second clamping portion 12 is arranged opposite to the first clamping portion 13, namely the direction of the second clamping portion 12 is opposite to the arrangement direction of the first clamping portion 13, as shown in fig. 3, one rectangular end of each clamping block 11 in the second clamping portion 12 is arranged below, and one triangular end of each clamping block 11 in the second clamping portion 12 is arranged above; when the inner tube 1 and the outer tube 2 are clamped with each other, the fixture blocks 11 in the second clamping portion 12 are sequentially clamped into the space 9 in the first clamping portion 13, and correspondingly, the fixture blocks 11 in the first clamping portion 13 are sequentially clamped into the space 9 in the second clamping portion 12; the inner pipe 1 and the outer pipe 2 are prevented from rotating through the matching and clamping of the two; simultaneously when including, 2 joints of outer tube, the retainer plate 7 of 1 outer wall of inner tube and the fixed slot 6 of 2 inner walls of outer tube block each other under the exogenic action to prevent the separation of interior, outer tube 2. The utility model provides an outer tube 2 can set up the model of multiple not co-altitude, on different check out test set, removable different outer tube 2 cooperates with inner tube 1 to supply different check out test set to detect.

The utility model discloses well scraper blade 4 sets up along the circumferencial direction of taking a blood sample 3, and scraper blade 4 is the shovel shape to in the collection sample.

The positioning part in the utility model comprises a positioning ring 5, the positioning ring 5 surrounds the outer wall of the inner tube 1 and is arranged to protrude outwards, and the top of the outer tube 2 is contacted with the bottom surface of the positioning ring 5; the positioning ring 5 is used for limiting the clamping position of the outer pipe 2 and the inner pipe 1 so as to ensure the total length of the assembled inner pipe 2 and outer pipe 2; the top of the positioning ring 5 is provided with an annular groove 10, and the groove 10 is arranged around the circumferential direction of the inner pipe 1; and the outer wall of the inner tube 1 is fixedly provided with a sealing ring 8 which protrudes outwards, the sealing ring 8 is arranged along the outer wall of the inner tube 1 in a surrounding manner, and the sealing ring 8 is positioned above the positioning ring 5. The groove 10 and the sealing ring 8 are used for being matched with a cap of a blood collection tube in the prior art, wherein the sealing ring 8 and the cap can achieve a sealing effect after being matched; while the bottom of the cap can be screwed into the recess 10.

In the clinical blood collection of the embodiment, the blood collection part at the tail end (fingers and feet) of the capillary vessel of the human body can be disinfected and pricked by the blood collection needle, the periphery of the wound is slightly pressed by force to accelerate the outflow of blood, then the outer tube 2 of the blood collection test tube is held by the hand, and the scraper 4 is slightly inclined to be close to the wound of the human body so as to be beneficial to collecting the blood.

Except the above situation, also can adopt the blood taking needle to prick the blood sampling position after, utilize the blood sampling straw among the prior art to absorb the sample, pour the sample into the utility model discloses an in the blood sampling test tube to follow-up check out test set's detection. Besides the two situations, the utility model can also be used in other suitable blood sampling situations.

The foregoing description is only of the preferred embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Claims

1. A micro blood sampling test tube, comprising: the bottom of the inner pipe is conical, the outer pipe is sleeved outside the inner pipe, and the length of the outer pipe is longer than that of the inner pipe; the top of the inner tube is provided with a blood collection port, the side wall of the inner tube is provided with a positioning part, a first clamping mechanism is arranged below the positioning part, and the first clamping mechanism is fixed on the side wall of the inner tube; and a second clamping mechanism matched with the first clamping mechanism is correspondingly arranged on the outer tube.

2. The micro blood sampling test tube according to claim 1, wherein the positioning portion comprises a positioning ring, the positioning ring surrounds the outer wall of the inner tube and protrudes outwards, and the top of the outer tube is in surface contact with the bottom of the positioning ring.

3. The micro blood sampling test tube according to claim 1, wherein the first clamping mechanism comprises a first clamping portion and a fixing groove arranged below the first clamping portion, and the fixing groove surrounds the outer wall of the inner tube and is inwardly recessed; the second clamping mechanism comprises a second clamping portion and a fixing ring arranged below the second clamping portion, the fixing ring surrounds the inner wall of the outer pipe and is arranged outwards in a protruding mode, and the fixing ring is matched with the fixing groove.

4. The micro blood sampling test tube according to claim 3, wherein the first clamping portion is composed of a plurality of clamping blocks, the upper end of each clamping block is rectangular, the lower end of each clamping block is triangular, the plurality of clamping blocks are uniformly arranged along the circumferential direction of the outer wall of the inner tube, and a space is arranged between every two adjacent clamping blocks; the second joint portion is the same with first joint portion shape, the fixed top that sets up in the inside pipe wall of second joint portion, second joint portion sets up with first joint portion relatively, and the fixture block in the second joint portion blocks in proper order and establishes into the space in first joint portion.

5. The micro blood collection test tube according to claim 1, wherein a scraper protruding upward is fixed to a side wall of the blood collection port.

6. A micro blood sampling test tube according to claim 5, wherein the scraping plate is provided along a circumferential direction of the blood sampling port, and the scraping plate is spade-shaped.

7. The micro blood sampling test tube of claim 2, wherein a sealing ring is fixed on the outer wall of the inner tube and protrudes outwards, the sealing ring is arranged around the outer wall of the inner tube, and the sealing ring is located above the positioning ring.

8. A micro blood collection test tube according to claim 2, wherein the top of the positioning ring is provided with an annular groove, and the groove is arranged around the circumference of the inner tube.