CN210095741U

CN210095741U - Blood collection tube

Info

Publication number: CN210095741U
Application number: CN201822028996.3U
Authority: CN
Inventors: 高云鹏
Original assignee: Cangzhou Fukang Medical Supplies Co Ltd
Current assignee: Cangzhou Fukang Medical Supplies Co Ltd
Priority date: 2018-12-05
Filing date: 2018-12-05
Publication date: 2020-02-21
Anticipated expiration: 2028-12-05

Abstract

The utility model discloses a blood collection tube, which comprises a tube body and a tube cap, wherein the center of the upper part of the tube cap is provided with a guide hole, the bottom of the guide hole is embedded with a guide tube, and the center of the bottom of the tube cap is provided with a spherical concave hole; the guide pipe is arranged on the pipe cap, when the needle insertion inclination of the blood taking needle is larger, the guide pipe can also guide the blood taking needle, so that the blood taking needle is inserted into the rubber plug at a smaller inclination, the operation is convenient, and the blood drawing efficiency is improved; simultaneously, the shrinkage pool at the bottom of the pipe cap can reduce the needle inserting stroke of the blood taking needle, and the error rate of needle inserting is reduced.

Description

Blood collection tube

Technical Field

The utility model relates to the technical field of medical tools, especially, relate to a blood sampling tube.

Background

With the progress of medical level and the attention of people on health, blood drawing examination and test become one of common projects of hospitals, the current blood drawing project in hospitals is also one of projects that people queue for longer waiting time, the reason is that the use method of a blood drawing tube needs to be noticed when people draw blood manually, a blood taking needle needs to be vertically pricked through a rubber plug of the blood drawing tube, once the needle inserting depth is not enough, the rubber plug is not penetrated or the needle inserting inclination is too large, the side wall of the rubber plug is inserted and the like, the blood drawing cannot be smoothly carried out, the blood drawing efficiency can be influenced by unskilled operation or misoperation of medical workers, the blood drawing time is integrally prolonged, and inconvenience is brought to many people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a heparin tube to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a blood collection tube comprises a tube body and a tube cap, wherein a guide hole is formed in the center of the upper portion of the tube cap, a guide tube is embedded in the bottom of the guide hole, and a spherical concave hole is formed in the center of the bottom of the tube cap;

the guide pipe comprises an opening part and a guide part fixedly arranged at the bottom of the opening part, the inner diameter of the upper end of the opening part is larger than that of the lower end of the opening part, the guide part is in a vertical pipe shape, and the lower end of the inner wall of the opening part and the upper end of the inner wall of the guide part are provided with fillet transition.

Further, the hardness of the guide tube is not less than that of the blood taking needle.

Further, the body is the glass pipe, explosion-proof layer and isolation layer have set gradually on the inner wall of body.

Further, the pipe cap includes the plug and presses the cover, it is protruding that the lower extreme of pressing the cover is inside to be provided with a plurality of blocks along circumference, cooperate the protruding edge of card to be provided with a plurality of blocks along circumference on the outer wall of body 1.

Further, detachable is provided with pipe cap clamping mechanism on the body, pipe cap clamping mechanism includes snap ring, couple and clamp plate, the suit that the snap ring can reciprocate is on the body, cooperation snap ring is provided with the spacing ring on the body, is provided with the spring that forces the snap ring to tend to remove to the body bottom on the spacing ring, the couple is articulated to be set up the both ends at the snap ring, the clamp plate is pressed on the pipe cap, the both ends of clamp plate are provided with the peg, the couple is hung on the peg.

The above technical scheme of the utility model following beneficial effect has: the guide pipe is arranged on the pipe cap, when the needle insertion inclination of the blood taking needle is larger, the guide pipe can also guide the blood taking needle, so that the blood taking needle is inserted into the rubber plug at a smaller inclination, the operation is convenient, and the blood drawing efficiency is improved; simultaneously, the shrinkage pool at the bottom of the pipe cap can reduce the needle inserting stroke of the blood taking needle, and the error rate of needle inserting is reduced.

Drawings

Fig. 1 is a plan view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is a bottom view of a cap according to an embodiment of the present invention;

fig. 4 is a front view of a tube body according to an embodiment of the present invention;

FIG. 5 is a front view of the second embodiment;

fig. 6 is a left side view of the second embodiment.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, the blood collection tube of the present embodiment includes a tube body 1 and a tube cap 2, wherein a guide hole 2a is formed in the center of the upper portion of the tube cap 2, a guide tube 21 is embedded in the bottom of the guide hole 2a, and a spherical concave hole 2b is formed in the center of the bottom of the tube cap 2; when in blood sampling, the blood sampling needle is inserted to the guide hole 2a, then the blood sampling needle is inserted into the tube cap 2 along the guide tube 21 and penetrates through the concave hole 2b, and the step of inserting the needle is completed;

the guide tube 21 comprises an opening part 211 and a guide part 212 fixedly arranged at the bottom of the opening part 211, the inner diameter of the upper end of the opening part 211 is larger than that of the lower end of the opening part 211, the guide part 212 is in a vertical tube shape, the lower end of the inner wall of the opening part 211 and the upper end of the inner wall of the guide part 212 are provided with fillet transition, the caliber of the upper end of the opening part 211 is larger, so that a blood taking needle is easier to insert into the opening part 211, then the blood taking needle tip enters into the guide part 212 along the opening part 211, the inner diameter of the guide part 212 is smaller, the blood taking needle is inserted into the tube cap 2 at a smaller inclination in the guide part 212, the use is;

preferably, the hardness of the guide tube 21 is not less than that of the blood collection needle, so as to avoid the influence of the blood collection needle on normal use caused by the deformation of the guide tube 21, and preferably, the guide tube 21 may be made of stainless steel.

Preferably, the tube body 1 is a glass tube, the inner wall of the tube body 1 is sequentially provided with an explosion-proof layer 1a and an isolation layer 1b, when the blood collection tube is broken due to careless dropping or other external forces, the explosion-proof layer 1a can prevent broken glass from splashing around to hurt people, so that the blood collection tube is convenient to clean, and the explosion-proof layer 1a and the isolation layer 1b can also prevent broken glass from entering blood in the blood collection tube, so that the safety of the blood is protected, and the trouble of secondary blood drawing is avoided;

preferably, the explosion-proof layer 1a is a PE synthetic fiber layer, and the isolation layer 1b is a PVA coating high-barrier film; the pipe body 1, the explosion-proof layer 1a and the isolation layer 1b are bonded through a composite adhesive;

preferably, the composite adhesive consists of a polyurethane adhesive.

Tube cap 2 includes plug 22 and pressure cover 23, and the lower extreme of pressing cover 23 is inside to be provided with a plurality of protruding 231 of card along circumference, and cooperation card is protruding 231 to be provided with a plurality of cards along 1c along circumference on the outer wall of body 1, will block protruding 231 and press down by the card along the space department between 1c, then rotatory pressure cover 23 makes protruding 231 card of card press the lower part along 1c to pressing cover 23 compresses tightly plug 22 on body 1, guarantees the leakproofness of heparin tube.

Example two: the pipe cap clamping mechanism 11 is detachably arranged on the pipe body 1, the pipe cap clamping mechanism 11 comprises a clamping ring 111, a hook 112 and a pressing plate 113, the clamping ring 111 can be sleeved on the pipe body 1 in a vertically moving mode, the pipe body 1 is provided with a limiting ring 12 matched with the clamping ring 111, the limiting ring 12 is provided with a spring 13 forcing the clamping ring 111 to tend to move towards the bottom of the pipe body 1, the hook 112 is hinged to two ends of the clamping ring 111, the pressing plate 113 is pressed on the pipe cap 2, two ends of the pressing plate 113 are provided with hanging rods 1131, and the hook 112 is hung on the hanging rods 1131;

when an examiner tests the blood in the blood collection tube, the blood in the blood collection tube needs to be retained for rechecking the test result, and the tube cap clamping mechanism 11 can prevent the situation that the tube cap 2 is not tightly covered due to air entering the tube body 1 after the tube cap 2 is opened;

pressing the pressing plate 113 on the tube cap 2, then sleeving the snap ring 111 from the bottom of the tube body 1, compressing the spring 13 to enable the hook 112 to be hung on the hanging rod 1131, pressing the snap ring 111 downwards by the spring 13, driving the snap ring 111 to drive the hook 112 to press the pressing plate 113 downwards to press the tube cap 2, and enabling the tube cap 2 to tightly press the tube body 1, so that the sealing performance of the blood collection tube is ensured;

tube cap clamping mechanism 11 also can be to the reuse of the heparin tube of same model, and the practicality is strong.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A blood collection tube, which is characterized in that: the pipe comprises a pipe body and a pipe cap, wherein a guide hole is formed in the center of the upper part of the pipe cap, a guide pipe is embedded in the bottom of the guide hole, and a spherical concave hole is formed in the center of the bottom of the pipe cap;

the guide pipe comprises an opening part and a guide part fixedly arranged at the bottom of the opening part, the inner diameter of the upper end of the opening part is larger than that of the lower end of the opening part, the guide part is in a vertical pipe shape, and the lower end of the inner wall of the opening part and the upper end of the inner wall of the guide part are provided with fillet transition;

the detachable is provided with pipe cap clamping mechanism on the body, pipe cap clamping mechanism includes snap ring, couple and clamp plate, the suit that the snap ring can reciprocate is on the body, cooperation snap ring is provided with the spacing ring on the body, is provided with the spring that forces the snap ring to tend to remove to the body bottom on the spacing ring, the articulated both ends that set up at the snap ring of couple, the clamp plate is pressed on the pipe cap, the both ends of clamp plate are provided with the peg, the couple is hung on the peg.

2. A blood collection tube according to claim 1, wherein: the hardness of the guide tube is not less than that of the blood taking needle.

3. A blood collection tube according to claim 1, wherein: the pipe body is a glass pipe, and an explosion-proof layer and an isolation layer are sequentially arranged on the inner wall of the pipe body.