CN219208098U

CN219208098U - Blood taking test tube for blood bag

Info

Publication number: CN219208098U
Application number: CN202320148914.7U
Authority: CN
Inventors: 刘汉阳; 李岩君; 王晓媛
Original assignee: Chongqing Liangping Hualan Biological Apheresis Plasma Co ltd
Current assignee: Chongqing Liangping Hualan Biological Apheresis Plasma Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-20
Anticipated expiration: 2033-02-08

Abstract

The utility model belongs to the field of medical equipment, and particularly relates to a blood taking test tube for a blood bag, which comprises a test tube, wherein the lower end of a blood taking needle sleeve is detachably sleeved on the test tube, the upper end of the blood taking needle sleeve is provided with a threaded hole, the inside of the blood taking needle sleeve is provided with a fixing plate, and the fixing plate is provided with a blood taking needle with an upward tip part; the clamping components are arranged in two groups and are arranged on the blood taking needle sleeve and are symmetrically arranged along the blood taking needle, the clamping components comprise a sliding rod, a rubber pad, a sliding cylinder, clamping grooves and a convex ring, the sliding cylinder is arranged on the inner peripheral wall of the blood taking needle sleeve and is radially arranged along the blood taking needle sleeve, the sliding rod is horizontally sleeved inside the sliding cylinder and is connected with the rubber pad at the inner end of the sliding rod, cotton balls are arranged at the inner side of the rubber pad, the outer end of the sliding rod penetrates through the side wall of the blood taking needle sleeve and extends out, the convex ring is arranged on the inner peripheral wall of the sliding cylinder, and a circle of annular clamping grooves are formed in the sliding rod corresponding to the convex ring along the outer peripheral wall; the threaded sleeve comprises a hose and a threaded pipe, wherein the threaded pipe is sleeved in the threaded hole in a threaded mode, and blood taking is convenient.

Description

Blood taking test tube for blood bag

Technical Field

The utility model belongs to the field of medical equipment, and particularly relates to a blood taking test tube for a blood bag.

Background

At present, the law prescribes that the medical institution needs to carry out cross fit test on blood of a blood receiver and a blood donor before providing erythrocyte treatment for clinical patients, a blood donor sample is a sealed small braid preservation sample after blood collection, the blood braid is an elongated plastic tube with the diameter of about 0.5cm and the length of about 10 cm to 20cm, and generally when the cross blood preparation test is carried out, scissors are firstly used for cutting off the front end of the next heat-sealing point, and then the tail end in the small sample is cut off, so that the blood flows into a test tube. When in operation, blood samples in the placket often flow out or splash onto a workbench or a worker; meanwhile, because the scissors are directly contacted with the blood sample, in the operation process, one bag of blood needs to be sterilized once, or one pair of scissors is used for each sample, and the blood sample processed every day is up to hundred bags, so that one bag of blood is not feasible, most medical institutions currently use one pair of scissors for sterilization once, wipe and sterilize the scissors with a sterilizing liquid or soak and sterilize the scissors with a sterilizing liquid, and in actual operation, cross contamination is often caused because the sterilizing time is too short and cannot reach the effect of the sterilizing requirement. On the other hand, in the process of using scissors, the potential injury is easily caused to the body of staff, the chance of iatrogenic infection is increased, moreover, splash and drip easily occur in manual operation, blood is easily remained in blood plait and cross contamination easily occurs in the manual operation, and the efficiency is low, and the manual work load is big.

In medical hemospast, disposable hemospast is welcomed by medical personnel and patient with its small, safe in utilization, convenient operation characteristic, uses in a large amount in each medical institution and diabetes mellitus patient at present, and in the hemospast of present use, sometimes because the blood pigtail warp easily, can not very easy disposable stab the blood pigtail, increased medical personnel's time of getting blood, it is more loaded down with trivial details when leading to medical personnel to operate, also reduced blood taking efficiency simultaneously.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a blood taking test tube for a blood bag, which solves the problems that the existing blood taking is inconvenient and cross contamination is easy to occur during operation.

The technical scheme adopted by the utility model is as follows: the blood taking test tube for the blood bag comprises a test tube, wherein the upper end of the test tube is in an opening shape;

the blood taking needle comprises a blood taking needle sleeve, wherein the lower end of the blood taking needle sleeve is detachably sleeved at the upper end of a test tube, a threaded hole is formed in the upper end of the blood taking needle sleeve, a fixing plate is arranged inside the blood taking needle sleeve, a blood taking needle with an upward tip part is vertically arranged on the fixing plate, and the blood taking needle is sleeved on the fixing plate;

the clamping components are arranged in two groups and are arranged on the blood taking needle sleeve and are arranged along the blood taking needle, the clamping components comprise sliding rods, rubber gaskets, sliding drums, clamping grooves and convex rings, the sliding drums are arranged on the inner peripheral wall of the blood taking needle sleeve and are radially arranged along the blood taking needle sleeve, the sliding rods can be horizontally and slidably sleeved inside the sliding drums, the inner ends of the sliding rods are connected with the rubber gaskets, the outer ends of the sliding rods penetrate through the side walls of the blood taking needle sleeve and extend out, the convex rings are arranged on the inner peripheral wall of the sliding drums, a circle of annular clamping grooves are formed in the sliding rods, corresponding convex rings are arranged along the outer peripheral wall, when the clamping grooves are clamped with the convex rings, the corresponding rubber gaskets abut against each other and can clamp the blood taking needle, and cotton balls are arranged on the inner side walls of the rubber gaskets;

the threaded sleeve comprises a hose and a threaded pipe which are sequentially communicated from top to bottom, and the threaded pipe is sleeved in the threaded hole in a threaded mode.

Further, the upper port threaded connection of test tube has the upper cover, the upper cover center inlays and is equipped with the sheet rubber, the lower extreme of blood taking needle passes the sheet rubber and communicates with the test tube is inside.

Further, the annular limiting block of round has been seted up on the slide bar, can prevent that the slide bar from deviating from the blood taking needle sleeve pipe, the limiting block can be in the smooth moving of a smooth section of thick bamboo, just the draw-in groove sets up on the periphery wall of limiting block.

Further, a plurality of flexible bulges are arranged in the hose and the threaded pipe, and the flexible bulges are made of rubber materials.

Further, be equipped with a plurality of first lugs along the circumferencial direction on the test tube lateral wall, be equipped with round first concave ring along the circumferencial direction on the blood taking needle sleeve pipe inner wall, first lug is fixed with first concave ring joint.

Further, the upper end of the blood taking needle sleeve is detachably connected with a sealing cover.

Further, a plurality of second protruding blocks are arranged on the outer wall of the blood taking needle sleeve in the circumferential direction, a plurality of second concave rings are arranged on the inner wall of the sealing cover in the circumferential direction, and the second protruding blocks are fixedly clamped with the second concave rings.

Further, the blood taking needle sleeve, the threaded sleeve and the sealing cover are all made of transparent materials.

The utility model has the beneficial effects that:

through test tube, blood taking needle sleeve pipe, screw hole, fixed plate, blood taking needle, clamping assembly, slide bar, rubber pad, slide tube, draw-in groove, bulge loop, screw sleeve pipe, hose and screw tube's cooperation is used, with blood plastic tube card income screw sleeve intraductal, the extrusion hose carries out the centre gripping fixedly to blood plastic tube, it drives blood taking needle sleeve pipe outside screw tube and upwards rotates simultaneously, drive blood taking needle upper end puncture blood plastic tube lower extreme, make blood follow blood taking needle inflow in the test tube, after the blood sampling finishes, make draw-in groove and bulge loop joint fixed through inwards pressing the slide bar, relative rubber pad offsets and can press from both sides blood taking needle and blood plastic tube lower extreme tightly, just be equipped with the cotton ball on the inside wall of rubber pad for absorb residual blood, make residual blood in the blood plastic tube can not flow, avoid taking blood cross contamination, and can avoid taking blood process to cause cross contamination, simple structure, the operation is convenient.

Drawings

FIG. 1 is a partial cross-sectional view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

the drawings are noted as follows:

test tube 1, first bump 11, rubber portion 13, lancet tube 2, screw hole 21, fixing plate 22, lancet 23, first concave ring 24, second bump 25, clamping unit 3, slide bar 31, rubber pad 32, slide tube 33, clamping groove 34, convex ring 35, stopper 36, cotton ball 37, screw sleeve 4, hose 41, screw tube 42, flexible protrusion 43, sealing cover 5, second concave ring 51, upper cover 6, rubber sheet 61.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 2, a blood taking test tube for a blood bag comprises a test tube 1, wherein the upper end of the test tube 1 is in an opening shape;

the blood taking needle comprises a blood taking needle sleeve 2, wherein the lower end of the blood taking needle sleeve 2 is detachably sleeved at the upper end of a test tube 1, a threaded hole 21 is formed in the upper end of the blood taking needle sleeve 2, a fixing plate 22 is arranged inside the blood taking needle sleeve 2, a blood taking needle 23 with an upward tip part is vertically arranged on the fixing plate 22, and the blood taking needle 23 is sleeved on the fixing plate 22;

the clamping assemblies 3 are arranged in two groups, are arranged on the blood taking needle sleeve 2 and are symmetrically arranged along the blood taking needle 23, and comprise a sliding rod 31, a rubber pad 32, a sliding cylinder 33, a clamping groove 34 and a convex ring 35, wherein the sliding cylinder 33 is arranged on the inner peripheral wall of the blood taking needle sleeve 2 and is radially arranged along the blood taking needle sleeve 2, the sliding rod 31 can be horizontally and slidably sleeved inside the sliding cylinder 33, the inner end of the sliding rod 31 is connected with the rubber pad 32, the outer end of the sliding rod 31 penetrates through the side wall of the blood taking needle sleeve 2 and extends out, the convex ring 35 is arranged on the inner peripheral wall of the sliding cylinder 33, a ring-shaped clamping groove 34 is formed in the sliding rod 31 corresponding to the convex ring 35 along the outer peripheral wall, when the clamping groove 34 is clamped with the convex ring 35, the opposite rubber pad 32 abuts against the blood taking needle 23, and cotton balls 37 are arranged on the inner side wall of the rubber pad 32;

the threaded sleeve 4 comprises a hose 41 and a threaded pipe 42 which are sequentially communicated from top to bottom, and the threaded pipe 42 is sleeved in the threaded hole 21 in a threaded mode.

As a preferable scheme, the upper port of the test tube 1 is in threaded connection with an upper cover 6, a rubber sheet 61 is embedded in the center of the upper cover 6, and the lower end of the blood taking needle 23 passes through the rubber sheet 61 and is communicated with the inside of the test tube 1. Through the test tube 1 mouth department threaded connection upper cover 6 at test tube 1, and upper cover 6 center inlays and is equipped with sheet rubber 61, and specifically, the blood taking needle 23 lower extreme passes sheet rubber 61, forms the pinhole on sheet rubber 61, when sheet rubber 61 breaks away from to blood taking needle 23, the pinhole on the sheet rubber 61 can be closed automatically because of the rubber material's of sheet rubber 61 characteristic, can keep the leakproofness of test tube 1 upper end, and avoids getting blood sample in the back test tube 1 contaminated.

As a preferable solution, the slide bar 31 is provided with a ring-shaped limiting block 36, which can prevent the slide bar 31 from being separated from the lancet sleeve 2, the limiting block 36 can slide horizontally in the slide tube 33, and the clamping groove 34 is arranged on the outer peripheral wall of the limiting block 36. By providing the stopper 36 on the slide bar 31, the slide bar 31 can be prevented from being separated from the lancet hub 2 when not in use.

Preferably, a plurality of flexible protrusions 43 are disposed in the hose 41 and the threaded tube 42, and the flexible protrusions 43 are made of rubber materials. By arranging a plurality of flexible bulges 43 in the hose 41 and the threaded pipe 42, the blood plastic pipe can be better clamped and fixed.

As a preferable scheme, a plurality of first protruding blocks 11 are arranged on the outer side wall of the test tube 1 along the circumferential direction, a circle of first concave rings 24 are arranged on the inner wall of the blood taking needle sleeve 2 along the circumferential direction, and the first protruding blocks 11 are fixedly clamped with the first concave rings 24. Through the joint of first lug 11 and first concave ring 24 fixed, realize that test tube 1 upper end cup joints with blood taking needle sleeve pipe 2's dismantlement for the dismouting is more convenient.

Preferably, the upper end of the blood taking needle sleeve 2 is detachably connected with a sealing cover 5. By detachably connecting the sealing cap 5 to the lancet hub 2, the lancet hub 2 and the screw hub 4 are not contaminated when not in use.

As a preferable scheme, a plurality of second protruding blocks 25 are arranged on the outer wall of the blood taking needle sleeve 2 along the circumferential direction, a plurality of second concave rings 51 are arranged on the inner wall of the sealing cover 5 along the circumferential direction, and the second protruding blocks 25 are fixedly clamped with the second concave rings 51. Through setting up the joint of second lug 25 and second concave ring 51 fixed, realized blood taking needle sleeve 2 and sealed lid 5's detachable connection for the dismouting is more convenient.

Preferably, the blood taking needle cannula 2, the threaded cannula 4 and the sealing cover 5 are all made of transparent materials. Through setting up blood taking needle sleeve 2, screw sleeve 4 and sealed lid 5 into transparent material and make, specific can adopt transparent plastic material to make, be convenient for operate and observe blood sampling process, conveniently judge the position of blood plastic pipe when fixed blood pipe to and puncture the residual condition of blood in blood plastic pipe behind the blood plastic pipe.

Preferably, the lower part of the test tube 1 is a rubber part 13 made of rubber with elasticity. The lower part of the test tube 1 is made of elastic rubber, the rubber part 13 of the test tube 1 can be extruded before blood taking, then the blood plastic tube is punctured, and the blood in the blood plastic tube is quickly sucked into the test tube 1 by utilizing negative pressure, so that the use is convenient and quick.

The working mode of the utility model is as follows:

when the blood plastic tube is used, the sealing cover 5 is taken down, then the lower end of the blood plastic tube is clamped into the threaded sleeve 4, and as the blood taking needle sleeve 2, the threaded sleeve 4 and the sealing cover 5 are made of transparent materials, the position of the lower end of the blood plastic tube can be observed until the lower end of the blood plastic tube stretches into the blood taking needle sleeve 2 and is abutted against the blood taking needle 23, then an operator holds the hose 41 with one hand and clamps and fixes the blood plastic tube, the blood plastic tube can be well fixed through the cooperation of the hose 41 and the flexible protrusions 43, and the blood plastic tube which cannot be punctured due to deformation when the blood plastic tube is punctured is prevented; the other hand of the operator presses the lower part of the test tube 1 and rotates upwards, the other hand of the operator presses the lower part of the test tube 1 and rotates around the axis of the threaded sleeve 4, and the threaded sleeve 4 is in threaded connection with the blood taking needle sleeve 2, so that the test tube 1 and the blood taking needle sleeve 2 can move upwards and can drive the blood taking needle 23 upwards, the tip part at the upper end of the blood taking needle 23 can well puncture the lower end of the blood taking tube, then the test tube 1 is loosened, and the blood in the blood taking tube is sucked into the test tube 1 from the blood taking needle 23 by utilizing the negative pressure in the test tube 1, so that the blood taking is completed; then, the slide bar 31 is pressed inwards to enable the clamping groove 34 and the convex ring 35 to be clamped and fixed, the opposite rubber pads 32 are abutted against and can clamp the blood taking needle 23, cotton balls 37 are arranged on the inner side walls of the rubber pads 32 and used for absorbing residual blood, and as the blood taking needle 23 stretches into the blood plastic tube, the rubber pads 32 can clamp the blood taking needle 23 and the lower end of the blood plastic tube, so that the residual blood in the blood plastic tube cannot flow out, and cross contamination is avoided; then, the lancet sleeve 2 is pulled up to separate the first bump 11 from the first concave ring 24, so that the lancet 23 is pulled out of the rubber sheet 61, specifically, the lower end of the needle is positioned in the lancet sleeve 2, and the rubber sheet 61 can be automatically closed, so that the needle hole left after the lancet 23 is pulled out can be automatically closed to ensure the sealing of the test tube 1.

The present utility model has been described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A blood taking test tube for a blood bag, which is characterized in that: comprising

The upper end of the test tube (1) is in an opening shape;

the blood taking needle comprises a blood taking needle sleeve (2), wherein the lower end of the blood taking needle sleeve (2) is detachably sleeved at the upper end of a test tube (1), a threaded hole (21) is formed in the upper end of the blood taking needle sleeve (2), a fixing plate (22) is arranged in the blood taking needle sleeve (2), a blood taking needle (23) with an upward tip is vertically arranged on the fixing plate (22), and the blood taking needle (23) is sleeved on the fixing plate (22);

the clamping assembly (3), the clamping assembly (3) is arranged into two groups, and is arranged on the blood taking needle sleeve (2) and symmetrically arranged along the blood taking needle (23), the clamping assembly comprises a sliding rod (31), a rubber pad (32), a sliding cylinder (33), a clamping groove (34) and a convex ring (35), the sliding cylinder (33) is arranged on the inner peripheral wall of the blood taking needle sleeve (2) and radially arranged along the blood taking needle sleeve (2), the sliding rod (31) is horizontally and slidably sleeved inside the sliding cylinder (33), the inner end of the sliding rod (31) is connected with the rubber pad (32), the outer end of the sliding rod (31) penetrates through the side wall of the blood taking needle sleeve (2) and extends out, the convex ring (35) is arranged on the inner peripheral wall of the sliding cylinder (33), a circle of annular clamping groove (34) is formed in the position on the sliding rod (31) corresponding to the convex ring (35), and when the clamping groove (34) is clamped with the convex ring (35), the opposite rubber pad (32) abuts against the rubber pad and can clamp the needle (23) and the inner side wall (37) of the blood taking needle (32) is provided with the rubber pad (37);

the threaded sleeve (4), the threaded sleeve (4) comprises a hose (41) and a threaded pipe (42) which are sequentially communicated from top to bottom, and the threaded pipe (42) is sleeved in the threaded hole (21) in a threaded mode.

2. A blood collection tube for a blood bag according to claim 1, wherein: the upper port threaded connection of test tube (1) has upper cover (6), upper cover (6) center inlays and is equipped with sheet rubber (61), the lower extreme of blood taking needle (23) passes sheet rubber (61) and communicates with test tube (1) inside.

3. A blood collection tube for a blood bag according to claim 1, wherein: the blood taking needle is characterized in that a circle of annular limiting block (36) is arranged on the sliding rod (31), the sliding rod (31) can be prevented from being separated from the blood taking needle sleeve (2), the limiting block (36) can horizontally slide in the sliding cylinder (33), and the clamping groove (34) is formed in the peripheral wall of the limiting block (36).

4. A blood collection tube for a blood bag according to claim 1, wherein: a plurality of flexible bulges (43) are arranged in the hose (41) and the threaded pipe (42), and the flexible bulges (43) are made of rubber materials.

5. A blood collection tube for a blood bag according to claim 1, wherein: a plurality of first protruding blocks (11) are arranged on the outer side wall of the test tube (1) along the circumferential direction, a circle of first concave rings (24) are arranged on the inner wall of the blood taking needle sleeve (2) along the circumferential direction, and the first protruding blocks (11) are fixedly clamped with the first concave rings (24).

6. A blood collection tube for a blood bag according to claim 1, wherein: the upper end of the blood taking needle sleeve (2) is detachably connected with a sealing cover (5).

7. The blood collection tube for a blood bag of claim 6, wherein: the blood taking needle sleeve is characterized in that a plurality of second protruding blocks (25) are arranged on the outer wall of the blood taking needle sleeve (2) along the circumferential direction, a plurality of second concave rings (51) are arranged on the inner wall of the sealing cover (5) along the circumferential direction, and the second protruding blocks (25) are fixedly clamped with the second concave rings (51).

8. The blood collection tube for a blood bag of claim 6, wherein: the blood taking needle sleeve (2), the threaded sleeve (4) and the sealing cover (5) are all made of transparent materials.