CN221888243U - A blood sample collection bag - Google Patents

Abstract

The utility model discloses a blood sample collection bag, which comprises a sample collection pipeline, a reagent filling pipeline, a detection sample collection pipeline and a sample extraction pipeline, wherein one end of the sample collection pipeline and one end of the detection sample collection pipeline are connected with a sample preservation bag, the other end of the sample collection pipeline is connected with an anticoagulant storage bag, the other end of the detection sample collection pipeline is connected with a detection sample split-charging bag, a liquid flow direction control device is arranged at the joint of the sample collection pipeline, the reagent filling pipeline, the detection sample collection pipeline and the sample extraction pipeline and the sample preservation bag, the liquid flow direction control device comprises a pipeline side wall and bionic valves, and the number of the bionic valves is multiple and is uniformly arranged in the pipeline side wall. The blood sampling device has the advantages that the structure is simple, the agglutination phenomenon of the blood sample in the collection pipeline is improved, the sealing of the pipeline by the heat sealing instrument is abandoned, the backflow of liquid is effectively avoided through the blood sampling bionics design, the utilization rate of the blood sample is improved, and the working efficiency of sample collection is improved.

Description

A blood sample collection bag

Technical Field

The utility model relates to the field related to blood sample collection, in particular to a blood sample collection bag.

Background Art

Whether it is a planned disease treatment or an emergency intervention, blood is a very important medical resource. Every year, blood and its products can save millions of lives around the world, helping patients with life-threatening diseases to prolong their lives and improve their quality of life. At the same time, blood and its products can also support complex medical and surgical procedures. At present, during the collection and processing of clinical blood samples, especially umbilical cord blood samples, the lack of anticoagulants in the sampling catheter can easily cause the blood in it to coagulate, affecting the quality of blood sample collection; when temporary sample collection and testing is required, a heat-sealed collection catheter is usually used to extract blood samples with a syringe; when the sample volume in the catheter does not meet the test requirements or the blood sample in the catheter coagulates, it will affect the sampling and testing of the sample.

Utility Model Content

The technical problem to be solved by the utility model is that during the collection and processing of clinical blood samples, especially umbilical cord blood samples, the lack of anticoagulants in the sampling catheter easily causes blood therein to coagulate, thereby affecting the quality of blood sample collection; when temporary sample collection and testing is required, a heat-sealed collection catheter is usually used, and the blood sample is extracted with a syringe; when the sample volume in the catheter does not meet the testing requirements or the blood sample in the catheter coagulates, the sampling and testing of the sample will be affected.

In order to solve the above technical problems, the utility model adopts the following technical means:

A blood sample collection bag comprises a sample preservation bag, an anticoagulant storage bag and a test sample subpackaging bag, wherein the sample preservation bag is provided with an auxiliary pipeline; the auxiliary pipeline comprises a sample collection pipeline, a reagent filling pipeline, a test sample collection pipeline and a sample extraction pipeline, wherein one end of the sample collection pipeline and the test sample collection pipeline is connected to the sample preservation bag, and the other end of the sample collection pipeline is connected to the anticoagulant storage bag, and the other end of the test sample collection pipeline is connected to the test sample subpackaging bag, a disposable pipeline blocking device is provided on the sample collection pipeline and the test sample collection pipeline, a disposable liquid outflow valve is provided at the connection between the sample collection pipeline and the anticoagulant storage bag, a liquid flow direction control device is provided at the connection between the sample collection pipeline, the reagent filling pipeline, the test sample collection pipeline and the sample extraction pipeline and the sample preservation bag, and the liquid flow direction control device comprises a pipeline side wall and a bionic valve, and the number of the bionic valves is multiple and evenly arranged in the pipeline side wall.

The purpose of the utility model is to provide a new blood sample collection bag. A sample transfer device for hematopoietic stem cell samples. Its function is to add an anticoagulant pre-flushing tube to prevent blood samples from condensing in the collection pipeline; to add a test sample transfer bag to meet the clinical sampling and testing of blood samples; and to add a pipeline blocking technology. When the heat sealer at the sampling site cannot be used normally, the sample collection pipeline can be effectively blocked to isolate the collected sample from the outside world.

As a preferred embodiment, a further technical solution of the utility model is:

A blood sample collection needle and a pipeline flow rate control valve are arranged on the top of the sample collection pipeline.

The bottom of the test sample packaging bag is provided with a spiral joint and a spiral cover for blocking the sampling needle, the top of the test sample packaging bag is connected to the test sample collection pipeline, and the test sample collection pipeline is provided with a pipeline flow rate control valve.

The tops of the reagent filling pipeline and the sample extraction pipeline are provided with a spiral joint and a spiral cover connected with the syringe.

The liquid flow direction control device is such that when the liquid flow direction is consistent with the set direction of the control valve, the bionic valve on the side wall of the pipeline is in a tilted state, and the liquid can smoothly pass through the flow control valve.

The disposable pipeline plugging device includes a liquid sample pipeline, a liquid pipeline reinforcement, a pipeline plugging slider, a pipeline plugging slider base, a plugging slider limiting snap-in, a plugging slider limiting device and a transparent sterile packaging sleeve. The plugging slider limiting device on the pipeline plugging slider and the plugging slider limiting snap-in on the pipeline plugging slider base match each other. The liquid sample pipeline is a flexible hose. The liquid sample pipeline can be provided with a liquid pipeline reinforcement. The outer side of the disposable pipeline plugging device is wrapped by a transparent sterile packaging sleeve.

The disposable liquid outflow valve comprises a spring base, a spring, a catheter slider limit device, a catheter slider limit bayonet, a brittle limit rod, a catheter outer sleeve, a liquid diversion groove, a slider diversion port and a liquid diversion slider. The liquid diversion slider moves up and down in the catheter. The catheter is arranged in the catheter outer sleeve. A spring base, a spring and a brittle limit rod are arranged on the top of the liquid diversion slider. The brittle limit rod controls the spring in a compressed state to pop out. The spring base pushes the slider downward under the reaction force. When the slider limit device moves down to the catheter slider limit bayonet with the slider, the connecting rod that is elastically deformed due to extrusion returns to a natural state, and the slider limit device is clamped into the catheter slider limit bayonet.

The bottom of the sample storage bag is provided with a sample bag hanging hole, and the number of the sample bag hanging holes is two, which are respectively located on the left and right sides of the bottom of the sample storage bag.

Based on the previous blood sample collection bag, the utility model adds the anticoagulant pre-filling tube step, adds a disposable test sample acquisition bag and a disposable catheter blocking technology through reasonable design, which effectively avoids blood sample agglutination, meets the temporary test sample collection and the heat-sealing instrument-free pipeline blocking technology.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a specific embodiment of the utility model.

FIG. 2 is a front view of a disposable pipeline plugging device according to a specific embodiment of the utility model.

FIG3 is a cross-sectional view of a disposable pipeline plugging device according to a specific embodiment of the present invention.

FIG. 4 is a working state diagram of a liquid flow direction control device according to a specific embodiment of the present utility model.

FIG5 is a cross-sectional view of a disposable liquid outflow valve according to a specific embodiment of the present utility model.

Description of reference numerals: 1. sample storage bag; 11. anticoagulant storage bag; 12. test sample packaging bag; 13. sample collection pipeline; 14. reagent filling pipeline; 15. test sample collection pipeline; 16. sample extraction pipeline; 17 sample bag hanging hole; 18. blood sample collection needle; 19. pipeline flow rate control valve;

2. Disposable pipeline blocking device; 3. Liquid flow control device; 4. Disposable liquid outflow valve; 5. Screw connector and screw cap blocked by sampling needle; 6. Screw connector and screw cap connected to syringe;

21: liquid sample pipeline; 22: liquid pipeline reinforcement; 23: pipeline blocking slider; 24, pipeline blocking slider base; 25, blocking slider limit bayonet; 26, blocking slider limit device; 27, transparent sterile packaging sleeve;

31: pipe side wall; 32: bionic valve;

41: spring base; 42: spring; 43: catheter slider limit device; 44: catheter slider limit bayonet; 45: brittle limit rod; 46: catheter outer sleeve; 47: liquid guide groove; 48: slider guide port; 49: slider liquid catheter.

Implementation

The present invention will be further described below in conjunction with the embodiments.

Specific embodiments

Referring to Figures 1, 2, 3, 4 and 5, the utility model provides a blood sample collection bag with a pipeline plugging effect. The liquid sample pipeline is appropriately thickened in the pipeline plugging device 2 to perform liquid pipeline reinforcement 22 and thickening to ensure the pipeline plugging effect and enhance the pipeline strength and toughness to avoid rupture. At the same time, the pipeline plugging device 2 is wrapped as a whole by a transparent sterile packaging sleeve 27 to ensure the integrity of the device and also isolate it from the outside world.

Specific embodiments

Referring to Figures 1, 2, 3, 4 and 5, it can be seen that the utility model is a blood sample collection bag. The collected blood samples need to be temporarily sampled for testing. After the samples in the sample storage bag 1 are mixed, the pipeline flow rate control valve 19 connected to the pipeline of the test sample sub-packaging bag is opened to transfer the sample of the test dose to the test sample sub-packaging bag 12, and then the test sample collection pipeline 15 is blocked by pressing the disposable pipeline blocking device 2 on the test sample collection pipeline 15. The screw cap at the interface 5 is unscrewed, and after the blood collection needle or the syringe equipped with the needle punctures the sampling needle and blocks it, the sample in the test sample sub-packaging bag 12 is extracted for testing, and then the screw cap at the interface 5 is tightened again to isolate it from the outside.

Specific embodiments

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, it can be seen that the utility model is a blood sample collection bag. By loosening the spiral joint that can be connected to the syringe and the spiral cover on the spiral cover 6, the joint can be tightly connected to the syringe with the spiral joint. According to the sample processing needs, the corresponding reagent can be added to the sample storage bag 11 through the reagent filling pipeline 14. The sample bag hanging hole 17 at the bottom of the sample storage bag 1 is hung on the bracket, and then the spiral joint connected to the syringe connected to the sample extraction pipeline 16 and the spiral cover on the spiral cover 6 are loosened, and tightly connected to the syringe with the spiral joint, and the blood sample in the sample bag can be extracted using the syringe. The liquid sample storage space in the sample storage bag 1 adopts a trapezoidal design. After the sample bag hanging hole 17 is hung on the bracket, it is convenient to extract the liquid sample from the sample extraction pipeline 16, avoiding the residue of the blood sample in the storage bag.

This technology has a simple structure, improves the agglutination phenomenon of blood samples in the collection pipeline, abandons the use of a heat sealer to seal the pipeline, and effectively avoids liquid backflow through the blood collection bionic design, thereby improving the utilization rate of blood samples and the work efficiency of sample collection.

Since the above is only a specific implementation method of the present utility model, the protection of the present utility model is not limited thereto, and any equivalent changes or substitutions of the technical features of the technical solution that can be thought of by any technician in this technical field are included in the protection scope of the present utility model.

Claims (8)

1. A blood sample collection bag, comprising a sample preservation bag, an anticoagulant storage bag and a test sample filling bag, wherein the sample preservation bag is provided with an auxiliary pipeline; characterized in that: the auxiliary pipeline comprises a sample collection pipeline, a reagent filling pipeline, a test sample collection pipeline and a sample extraction pipeline, one end of the sample collection pipeline and the test sample collection pipeline is connected to the sample preservation bag, the other end of the sample collection pipeline is connected to the anticoagulant storage bag, and the other end of the test sample collection pipeline is connected to the test sample filling bag, a disposable pipeline blocking device is provided on the sample collection pipeline and the test sample collection pipeline, a disposable liquid outflow valve is provided at the connection between the sample collection pipeline and the anticoagulant storage bag, a liquid flow direction control device is provided at the connection between the sample collection pipeline, the reagent filling pipeline, the test sample collection pipeline and the sample extraction pipeline and the sample preservation bag, and the liquid flow direction control device comprises a pipeline side wall and a bionic valve, and the number of the bionic valves is multiple and evenly arranged in the pipeline side wall. 2. A blood sample collection bag according to claim 1, characterized in that a blood sample collection needle and a pipeline flow rate control valve are provided on the top of the sample collection pipeline. 3. A blood sample collection bag according to claim 1, characterized in that: a spiral joint and a spiral cover for blocking the sampling needle are provided at the bottom of the test sample packaging bag, and a test sample collection pipeline is connected to the top of the test sample packaging bag, and a pipeline flow rate control valve is provided on the test sample collection pipeline. 4. A blood sample collection bag according to claim 1, characterized in that: a screw joint and a screw cap connected to a syringe are provided on the top of the reagent filling pipe and the sample extraction pipe. 5. A blood sample collection bag according to claim 1, characterized in that: when the liquid flow direction is consistent with the set direction of the control valve, the bionic valve on the side wall of the pipeline is in a tilted state, and the liquid can smoothly pass through the flow control valve. 6. A blood sample collection bag according to claim 1, characterized in that: the disposable pipeline blocking device includes a liquid sample pipeline, a liquid pipeline reinforcement, a pipeline blocking slider, a pipeline blocking slider base, a blocking slider limiting snap-in, a blocking slider limiting device and a transparent sterile packaging sleeve, the blocking slider limiting device on the pipeline blocking slider and the blocking slider limiting snap-in on the pipeline blocking slider base match each other, the liquid sample pipeline is a flexible hose, the liquid sample pipeline can be provided with a liquid pipeline reinforcement, and the outer side of the disposable pipeline blocking device is wrapped by a transparent sterile packaging sleeve. 7. A blood sample collection bag according to claim 1, characterized in that: the disposable liquid outflow valve comprises a spring base, a spring, a catheter slider limit device, a catheter slider limit bayonet, a brittle limit rod, a catheter outer sleeve, a liquid diversion groove, a slider diversion port and a liquid diversion slider, the liquid diversion slider moves up and down in the catheter, the catheter is arranged in the catheter outer sleeve, a spring base, a spring and a brittle limit rod are arranged on the top of the liquid diversion slider, the brittle limit rod controls the spring in a compressed state to pop out, the spring base pushes the slider downward under the reaction force, when the slider limit device moves down to the catheter slider limit bayonet with the slider, the connecting rod that is elastically deformed due to extrusion returns to a natural state, and the slider limit device is clamped into the catheter slider limit bayonet. 8. A blood sample collection bag according to claim 1, characterized in that: a sample bag hanging hole is provided at the bottom of the sample storage bag, and the number of the sample bag hanging holes is two, which are respectively located on the left and right sides of the bottom of the sample storage bag.