CN215230815U

CN215230815U - Multifunctional efficient sample remaining hydrops puncture device

Info

Publication number: CN215230815U
Application number: CN202121477900.7U
Authority: CN
Inventors: 范天松; 张敏; 龙川江; 曹校川
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-21
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to the technical field of effusion puncture sample retention, in particular to a multifunctional high-efficiency sample retention effusion puncture device, which comprises a puncture end, a suction part, a sample retention bag and a multi-way conduit, wherein the puncture end, the suction part and the sample retention bag are communicated through the multi-way conduit; the multi-way pipe is provided with a sampling end; and the multi-way conduit is provided with a switching piece for switching the passage; an anticoagulant adding part is arranged on the sample reserving bag. The problem that in the prior art, after the effusion is extracted, the effusion in the retention bag needs to be separated, and the operation is troublesome can be solved; and the problem of repeated disassembly and assembly of the syringe during the aspiration process. Compare in current hydrops suction means, this technique has been assembled and has been made things convenient for the sample, has stayed appearance and has improved the relevance rate multiple functions, and is more practical.

Description

Multifunctional efficient sample remaining hydrops puncture device

Technical Field

The utility model relates to a hydrops puncture stays a kind technical field, specifically is a multi-functional high efficiency stays a kind hydrops piercing depth.

Background

The effusion is a pathological manifestation, namely a large amount of liquid appears in a place where a large amount of liquid should not appear in a human body, the liquid is pathological, and a small amount of liquid appears in the chest, the abdominal cavity, the uterus and the brain, which comprises effusion, effusion and other liquid, and the components are complex; the causes are also varied, such as infection, tumor, tuberculosis, heart failure and even immunological reactions, which can lead to the production of fluid accumulation.

The traditional apparatus for sucking in vivo liquid in hospital comprises a large-size medical injector, a rubber tube is connected between the injector and a needle head; when the effusion in the body of a patient is more and needs to be repeatedly pumped, the rubber tube needs to be closed by the hemostatic forceps when one syringe is full, and then the syringe is detached to discharge the effusion; then the injector is connected to the rubber tube again, the hemostatic forceps are opened, the steps are repeated, and the overall operation mode is complex.

In order to improve the above condition, a three-way pipe is arranged, a three-way valve is arranged on the three-way pipe, and the switching of the pipeline passages can be realized by rotating the three-way valve; one end of the three-way pipe is communicated with the injector, the other end is communicated with the indwelling bag, and the needle head is arranged at the other end. During suction, the needle head is placed at the effusion, the piston of the injector is pulled, and the effusion enters the injector; then the three-way valve is switched to communicate the syringe with the indwelling bag; pushing the piston of the syringe to inject the effusion into the indwelling bag; then switch the three-way valve again and make syringe and syringe needle intercommunication, repeat above-mentioned step and can realize the repeated suction operation of hydrops. By adopting the mode, particularly when the pleural and peritoneal effusion is extracted, the injector does not need to be repeatedly disassembled, the suction efficiency can be accelerated, and the pain of a patient is reduced; moreover, compare in the extraction in-process need with the syringe with the hydrops transfer to other containers in, the risk that the hydrops drips the polluted operational environment appears easily, the hydrops extraction of above-mentioned mode is in a more confined pipeline, more clean health.

However, the above technology still has the following technical problems:

1. detection of each aspect such as biochemical routine detection, microbial detection and tumor cell detection need generally be carried out to the hydrops extraction back, adopts above-mentioned structure to carry out the hydrops extraction, and postoperative medical personnel need separately keep somewhere the hydrops in the bag and leave the appearance, and then send into different detection departments with the sample, and the operation is still troublesome.

2. The difficult and complicated bacteria such as tubercle bacillus, Nocardia and the like, tumor cells and the like are small in the amount of accumulated liquid, and the problem of low detection rate is easy to exist during the inspection.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multi-functional high efficiency stays a kind hydrops piercing depth can solve among the prior art hydrops extraction back, still need part the hydrops of keeping somewhere in the bag, the operation still more trouble problem.

The application provides the following technical scheme:

a multifunctional high-efficiency sample-remaining effusion puncture device comprises a puncture end, a suction part, a sample-remaining bag and a multi-way catheter, wherein the puncture end, the suction part and the sample-remaining bag are communicated through the multi-way catheter; the multi-way pipe is provided with a sampling end; and the multi-way conduit is provided with a switching piece for switching the passage; an anticoagulant adding part is arranged on the sample reserving bag.

Has the advantages that:

1. compared with the prior art, the method has the advantages that all the effusion is put into the retention bag, and after the suction is finished, the effusion in the retention bag needs to be separated and then sent to each detection position; according to the scheme, the sampling end and the sample reserving bag are arranged on the multi-way pipeline, the pipeline is switched through the switching piece, and the accumulated liquid can be respectively injected into the sampling end or the sample reserving bag as required in the process of sucking the accumulated liquid by the suction part; for example, when the switching piece switches the pipeline to communicate the suction part with the sampling end, medical staff can preferentially sample from the sampling end and then send the sample to a clinical laboratory to perform routine, biochemical, microbial and other detection; when the switching piece switches the pipeline to enable the suction part to be communicated with the sample reserving bag, the suction part can inject the taken accumulated liquid into the sample reserving bag to reserve a sample, and detection of falling cells and the like is facilitated; in conclusion, the technology realizes the functions of separately sampling and reserving samples in the process of extracting the effusion, and the operation of separating the effusion after the operation is not needed any more, so that the technology is more convenient.

2. In the prior art, in order to improve the accuracy of subsequent detection, the accumulated liquid in the first tube is generally not discharged, and the accumulated liquid after the second tube is extracted is sent for detection; if the accumulated liquid in the first pipe sucked by the suction part needs to be discharged, the injector needs to be taken down from the three-way pipe, and the accumulated liquid in the injector needs to be discharged and then is installed, so that the operation is troublesome, and the sealing performance of the joint of the injector and the three-way pipe can be damaged. The sampling end in the technology is convenient for medical staff to sample for routine, biochemical, microbial and other detection; the first pipe hydrops that the suction portion took out can follow the sample end and discharge and do not need, unusual convenience.

3. In the prior art, when effusion is sent to a pathology department for detecting tumor cells or tubercle bacillus, the quantity of difficult and complicated bacteria such as tubercle bacillus, Nocardia and the like and tumor cells and the like is small, so that the detection rate is low and even the detection cannot be realized, although the effusion is centrifugally treated before the detection, the detection effect is not ideal. In order to further solve the problems, the inventor sets a sample reserving bag at the front end of collecting the accumulated liquid, and sets an anticoagulant adding part on the sample reserving bag, after the accumulated liquid is collected, the anticoagulant is added into the sample reserving bag through the anticoagulant adding part, centrifugation is carried out, then supernatant is separated, enriched bottom layer turbid liquid is sent to be detected, the detection rates of tumor cells, mycobacterium tuberculosis, Nocardia and the like are improved, and reliable detection basis is provided for clinical early diagnosis and early treatment.

Consequently, enrichment principle is used for reference to this technique, sets up anticoagulant portion of adding on staying a kind bag for stay the hydrops layering in a kind bag, realize the layering enrichment of cell turbid liquid and supernatant, can further improve the detection efficiency and the relevance ratio of follow-up tumor cell, tubercle bacillus, nu ka fungus etc..

4. Compare in current hydrops suction means, this technique has been assembled and has been made things convenient for the sample, has stayed appearance and has improved the relevance rate multiple functions, and is more practical.

Further, the anticoagulant adding part comprises an anticoagulant bag and a communicating pipe, and the communicating pipe is communicated between the anticoagulant bag and the sample reserving bag; the communicating pipe is provided with a communicating valve or a sealing part which can be broken.

When the anticoagulant in the anticoagulant bag needs to be placed into the sample reserving bag, the communicating valve is opened to enable the communicating pipe to communicate the anticoagulant bag with the sample reserving bag, and the anticoagulant enters the sample reserving bag along the communicating pipe to be mixed with the accumulated liquid, so that the operation is very convenient; and the communicating valve is closed, so that effusion in the sample reserving bag can be prevented from flowing back into the anticoagulant bag.

This scheme still provides another method, when needs put into the anticoagulant in the anticoagulant bag and leave a kind of bag in, the sealed portion of rupture communicating pipe department, the anticoagulant is mixed with the hydrops in getting into to leave a kind of bag along communicating pipe, also unusual convenience adds anticoagulant and cost is lower.

Further, the switching piece comprises a plurality of switching clamps, and each branch pipe of the multi-way guide pipe is provided with the switching clamp.

When a liquid channel at the branch of the multi-way conduit is required to be blocked, the switching clamp is clamped on the corresponding branch, and the pipeline on the branch can be clamped and deformed to realize liquid channel sealing. When the liquid channel at the branch of the multi-way conduit needs to be opened, the switching clamp is taken down, which is very convenient.

Further, the sampling device also comprises a sampling bag which is communicated with the sampling end; the sampling bag is provided with a liquid outlet pipe, the liquid outlet pipe is communicated with a protection cylinder, and the protection cylinder is provided with a sealing cover.

Compared with the sampling bag, the medical staff needs to find the medical supplies to collect the liquid at the sampling end; after the sampling bag is arranged, the suction part can directly inject accumulated liquid into the sampling bag, so that the sampling bag is more convenient.

When needs sample, medical personnel can open sealed lid and carry out the hydrops extraction, and is more convenient.

Furthermore, a liquid separation part is also arranged on the sample retention bag.

Make things convenient for medical personnel to take out the supernatant in leaving the appearance bag from dividing liquid portion.

Furthermore, a liquid taking part is also arranged on the sample reserving bag.

Make things convenient for medical personnel to take out the bottom turbid liquid in the sample bag from liquid portion.

Further, the liquid separating part comprises a liquid separating pipe and a liquid separating bag, and the liquid separating pipe is communicated between the upper part of the sample reserving bag and the liquid separating bag; the liquid separating pipe is provided with a liquid separating valve or a breakable sealing part.

The supernatant in the sample retention bag can flow into the liquid separation bag from the liquid separation tube and be stored, and medical personnel do not need to additionally look for other contained objects, so that the sample retention bag is more convenient.

The arrangement of the liquid separation valve can prevent the accumulated liquid from flowing into the liquid separation bag along the liquid separation pipe when the accumulated liquid is not layered; when the supernatant needs to be separated from the liquid separating bag, the liquid separating valve is opened to enable the liquid separating pipe to communicate the sample reserving bag with the liquid separating bag, so that the separation is very convenient; and after the supernatant is separated, closing the liquid separating valve.

The arrangement of the sealing part which can be broken off can also prevent the accumulated liquid from flowing into the liquid separation bag along the liquid separation pipe when the accumulated liquid is not separated; when the supernatant is required to be separated from the liquid separating bag, the sealing part at the liquid separating pipe is broken, so that the liquid separating pipe can communicate the sample reserving bag with the liquid separating bag.

Furthermore, when the positions of the communicating pipe and the liquid separating pipe are provided with breakable sealing parts, the communicating pipe and the liquid separating pipe both comprise a main pipe and a branch pipe communicated with the sample reserving bag; one end of the branch pipe, which is far away from the sample retention bag, is a breakable sealing end with the pipe diameter gradually reduced, and the end extends into the main pipe and is connected with the main pipe in a tensioning manner.

One end of the branch pipe, which is far away from the sample holding bag, is set to be a sealing end, so that liquid in the sample holding bag cannot flow out from the branch pipe. The pipe diameter of this sealed end reduces gradually for medical personnel break this sealed end more easily, and then open the route of being in charge of, so that be in charge of and stay a kind bag intercommunication, conveniently add the anticoagulant through communicating pipe or derive the supernatant through dividing the liquid pipe.

Furthermore, the main pipe comprises a main pipe body and a connecting sleeve, and the sealing end of the branch pipe and the main pipe body both extend into the connecting sleeve and are in tension connection with the connecting sleeve.

The connecting sleeve is mainly convenient for connecting the main pipe body and the branch pipe.

Furthermore, the sample reserving bag, the sampling bag and the liquid separating bag are all transparent plastic bags with scales.

The volume of liquid in the bag is conveniently observed.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of a multifunctional high-efficiency sample-reserving and liquid-accumulating puncturing device of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic structural view of a second embodiment of a multifunctional high-efficiency sample-reserving and liquid-accumulating puncturing device of the present invention;

FIG. 4 is a schematic structural view of a third embodiment of a multifunctional high-efficiency sample-reserving and liquid-accumulating puncturing device of the present invention;

FIG. 5 is a schematic structural view of a fourth embodiment of a multifunctional high-efficiency sample-reserving and liquid-accumulating puncturing device of the present invention;

FIG. 6 is a partial enlarged view of B in FIG. 5;

FIG. 7 is a schematic view of the liquid-extracting cap of FIG. 6 after opening for sampling;

FIG. 8 is a schematic structural view of a fifth embodiment of a multifunctional high-efficiency sample-reserving and liquid-accumulating puncturing device of the present invention;

fig. 9 is the utility model relates to a structure schematic diagram of diverter valve in six embodiments of multi-functional high efficiency stays a kind hydrops piercing depth.

Detailed Description

The following is further detailed by way of specific embodiments:

the reference numbers in the drawings of the specification include: the four-way catheter 1, the switching clamp 11, the puncture needle 2, the syringe 3, the sampling end 4, the anticoagulant bag 5, the communication pipe 51, the main tube body 6, the connecting sleeve 61, the branch tube 62, the sealing end 621, the sample retention bag 7, the liquid division bag 8, the liquid division tube 81, the sampling bag 9, the liquid outlet tube 10, the protective cylinder 101, the sealing cover 102, the liquid taking part 103, the liquid taking tube 1031, the liquid taking cover 1032, the communication valve 105, the liquid division valve 106 and the sampling part 107.

Example one

As shown in fig. 1 and 2, a multifunctional high-efficiency sample retention effusion puncture device comprises a puncture end, a suction part, a sample retention bag 7 and a multi-way catheter, wherein the multi-way catheter in the embodiment is a four-way catheter 1; the puncture end, the suction part and the sample retention bag 7 are respectively connected with the end parts of three branch pipes of the four-way catheter 1, and the rest branch pipes are sampling ends 4; the puncture tip in this embodiment is a puncture needle 2, and the suction part is an injector 3. The four-way guide pipe 1 is provided with a switching piece for switching a passage, the switching piece comprises four switching clamps 11, and each branch pipe of the four-way guide pipe is provided with one switching clamp 11; the switching clamp 11 is made of plastic materials, a through hole for the branch pipe of the four-way conduit to pass through is formed in the switching clamp, two symmetrically arranged bulges are arranged in the middle of the through hole, and the branch pipe is positioned between the two bulges; an opening is formed in the switching clamp 11, a fixed arm of the switching clamp 11 is formed on one side of the opening, a swing arm of the switching clamp 11 is formed on the other side of the opening, and the two bulges can be close to each other by pressing the swing arm so as to clamp the branch pipe to realize flow interception; meanwhile, the end part of the swing arm can slide along the end part of the fixed arm, and the two arms deform to a certain degree so that the end part of the swing arm is buckled to the protruding part of the end part of the fixed arm to realize fixation.

An anticoagulant adding part is arranged on the sample reserving bag 7; the anticoagulant adding part comprises an anticoagulant bag 5 and a communicating pipe 51, the communicating pipe 51 is communicated between the anticoagulant bag 5 and the sample reserving bag 7, and the anticoagulant bag 5 is a medical transparent bag made of medical pvc; an EDTA anticoagulant is arranged in the anticoagulant bag 5. The connection pipe 51 is provided with a breakable sealing part in the following arrangement modes: as shown in fig. 2, the communicating tube 51 includes a main tube and a branch tube 62 communicating with the sample retention bag 7; the branch tube 62 is made of hard medical plastic, and one end of the branch tube 62, which is far away from the sample retention bag 7, is a breakable sealing end 621 with a gradually reduced tube diameter, so that a user can break and break a passage through the branch tube 62 conveniently. The main pipe comprises a main pipe body 6 and a connecting sleeve 61, and the materials of the main pipe body 6 and the connecting sleeve 61 are the same as those of the existing soft infusion tube; the sealing end 621 of the branch pipe 62 is connected with the main pipe body 6 through the connecting sleeve 61, and when the connection is performed, the sealing end 621 of the branch pipe 62 and the main pipe body 6 respectively extend into the connecting sleeve 61 from the two ends of the connecting sleeve 61 and are tensioned with the connecting sleeve 61; the end of main tube body 6 far away from branch tube 62 is communicated with anticoagulant bag 5.

Leave and still be equipped with branch liquid portion on the appearance bag 7, after leaving the hydrops layering in the appearance bag 7, medical personnel can separate out through dividing the supernatant that liquid portion will leave in the appearance bag 7. As shown in fig. 1, the liquid separating portion includes a liquid separating tube 81 and a liquid separating bag 8, and the liquid separating tube 81 is connected between the upper portion of the sample holding bag 7 and the liquid separating bag 8 and is made of a medical infusion tube. The liquid distribution pipe 81 is provided with a breakable sealing portion, and the structure of the breakable sealing portion is substantially the same as that of the communication pipe 51, and will not be described in detail here, but the difference is that, as shown in fig. 2, one end of the main pipe body 6 at the liquid distribution pipe 81, which is far away from the liquid distribution pipe 62, is communicated with the liquid distribution bag 8 in fig. 1. The sample retention bag 7 and the liquid separation bag 8 are made of transparent medical pvc materials with scales, so that a user can check the liquid amount and state conveniently.

Taking pleural effusion as an example, the operation mode is as follows:

firstly, extracting accumulated liquid in a first pipe: the switching clip 11 on the branch at the puncture needle 2 and the syringe 3 is opened, and the syringe 3 and the puncture needle 2 are brought into communication. Puncture into corresponding part with pjncture needle 2, pull the handle of syringe 3, the hydrops along the pipeline between pjncture needle 2 and the syringe 3, and then realize the extraction of first pipe hydrops in getting into syringe 3. Pressing the switching clamp 11 on the branch pipe at the puncture needle 2, and further clamping the branch pipe at the position to realize liquid path plugging; the switching clamp 11 on the branch pipe at the sampling end 4 is opened, the pipeline between the injector 3 and the sampling end 4 is communicated, the handle of the injector 3 is pushed, and the accumulated liquid is not discharged from the sampling end 4.

II, inspection submission in a clinical laboratory: after the accumulated liquid in the first tube is discharged, the medical staff can repeat the operation to realize the extraction of the accumulated liquid in the second tube and the third tube … …; the medical staff can take a sample from the sampling end 4 and send the sample to the clinical laboratory for routine, biochemical, microbiological detection and the like.

Thirdly, sample retention: after the sampling of sampling end 4 is finished, medical personnel repeatedly extract the hydrops in the human body, behind the hydrops was absorb to syringe 3. Medical personnel press the switching on the branch pipe of pjncture needle 2 department and press from both sides 11, close the pipeline between syringe 3 and pjncture needle 2 to open and stay switching on the branch pipe of appearance bag 7 department and press from both sides 11, make syringe 3 and stay the pipeline intercommunication between the appearance bag 7, promote the handle of syringe 3, the hydrops is injected into to staying in the appearance bag 7. The above operation is repeated, and then the accumulated liquid is completely injected into the sample reserving bag 7.

Thirdly, layering the accumulated liquid: the medical staff breaks the sealing end 621 of the communicating pipe 51, and the anticoagulant in the anticoagulant bag 5 flows into the sample reserving bag 7 to be mixed; the connection pipe 51 and the connection part between the sample reserving bag 7 and the four-way conduit 1 are clipped off by adopting a heat seal mode, and only the sample reserving bag 7 and the liquid separating bag 8 are left; the clamping parts can be bonded together to realize sealing due to heat; then placing the sample reserving bag 7 and the liquid separating bag 8 into a centrifuge for centrifugal treatment; after the accumulated liquid in the sample retention bag 7 is layered to form upper clear liquid and lower suspension, the sealing end 621 at the liquid separation tube 81 is broken off, and the upper clear liquid in the sample retention bag 7 flows into the liquid separation bag 8, so that the separation of the upper clear liquid and the lower suspension is realized; the liquid distributing pipe 81 is also clamped off in a heat seal mode, and the clamped off part can be bonded together to realize sealing due to heat.

Fourthly, submission: the lower layer suspension enriched in the sample reserving bag 7 is inspected, so that the detection rates of tumor cells, tubercle bacillus, Nocardia and the like are improved, and a reliable inspection basis is provided for clinical early diagnosis and early treatment.

Example two

The present embodiment differs from the first embodiment in that, as shown in fig. 3, a sampling bag 9 is further included, and the sampling bag 9 communicates at the sampling end 4. Compared with the sampling bag 9 which is not arranged, medical staff need to find medical supplies to collect effusion at the sampling end 4; after the sampling bag 9 is arranged, the suction part can directly inject accumulated liquid into the sampling bag 9, so that the sampling bag is more convenient.

EXAMPLE III

The difference between the embodiment and the second embodiment is that as shown in fig. 4, a liquid outlet pipe 10 is arranged on the sampling bag 9, a puncture needle is also arranged at the right end of the liquid outlet pipe 10, and a rubber layer is wrapped outside the puncture needle; the liquid outlet pipe 10 is communicated with a protective barrel 101, and the puncture needle is positioned in the protective barrel 101. The protective cylinder 101 is provided with an openable sealing cover 102; the protective cylinder 101 and the sealing cover 102 are both made of medical pvc materials, one side of the sealing cover 102 is connected with the protective cylinder 101 through a deformable connecting lug, and the sealing cover 102 can be turned over and opened around the connecting lug; one side of the sealing cover 102 close to the protection cylinder 101 is provided with a ring-shaped groove, the side walls of two sides of the groove are provided with rubber pads, and when the sealing cover 102 covers the protection cylinder 101, the end part of the protection cylinder 101 extends into the groove of the sealing cover 102 and is fastened in a tensioning manner through the rubber pads on two sides of the rubber.

When sampling is needed, medical personnel can open the sealing cover 102, the sampling part 107 is placed in the protective cylinder 101, and the puncture needle is punctured into the sampling part 107 to realize effusion sampling, so that the sampling is very convenient; the sampling unit 107 in this embodiment is a disposable blood collection tube with a cap, and has a negative pressure inside, so that the liquid in the sampling bag 9 can be easily sucked into the sampling unit 107.

Example four

The present embodiment is different from the third embodiment in that, as shown in fig. 5, 6 and 7, the sample retention bag 7 is further provided with a liquid extraction unit 103; the medical staff can take out the bottom suspension in the sample bag 7 from the liquid taking part 103 conveniently. The liquid taking part 103 in this embodiment includes a liquid taking cover 1032 and a liquid taking tube 1031 provided on the sample retention bag 7, and when the bottom layer suspension needs to be taken out, the liquid taking cover 1032 is unscrewed, and the bottom layer suspension is extracted by using a syringe, which is very convenient.

EXAMPLE five

The present embodiment is different from the first embodiment in that, as shown in fig. 8, a communication valve 105 is provided at the communication pipe 51 instead of the breakable sealing portion; a liquid separating valve 106 is arranged at the liquid separating pipe 81 to replace a breakable sealing part. The structure of the communication valve 105 and the liquid separation valve 106 are the same, and are all in the prior art, and are not described in detail herein.

When the sample separating device is used, taking the liquid separating valve 106 as an example, when supernatant liquid needs to be separated from the liquid separating bag 8, the liquid separating valve 106 is rotated to enable the liquid separating pipe 81 to communicate the sample reserving bag 7 with the liquid separating bag 8, after the supernatant liquid is separated, the liquid separating valve 106 is closed to enable the sample reserving bag 7 and the liquid separating bag 8 to be in a cut-off state, and liquid in the two bags cannot be mixed again.

EXAMPLE six

The present embodiment is different from the first embodiment in that the switching member includes four switching valves, one switching valve is provided on each branch pipe of the four-way pipe 1 as shown in fig. 9, and the opening and closing of the flow passage at the branch pipe is realized by the opening and closing of the switching valves. Each branch pipe of the four-way guide pipe 1 is provided with an installation position, the switching valve comprises a cylindrical valve body and a screwing head fixed on the cylindrical valve body, the cylindrical valve body is provided with a through hole, and the cylindrical valve body is rotatably connected with the installation positions; the screwing head is screwed, so that the flow direction of the through hole is consistent with that of the branch pipe, and a passage at the branch pipe is opened; when the screwing head is screwed, the through hole is not corresponding to the branch pipe flow channel any more, but is attached to the inner wall of the installation position, and then the passage at the branch pipe is closed.

The above are merely examples of the present invention, and the present invention is not limited to the field related to the embodiments, and general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, and these should also be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A multifunctional efficient sample retention effusion puncture device comprises a puncture end and a suction part, and is characterized by further comprising a sample retention bag and a multi-way catheter, wherein the puncture end, the suction part and the sample retention bag are communicated through the multi-way catheter; the multi-way pipe is provided with a sampling end; and the multi-way conduit is provided with a switching piece for switching the passage; an anticoagulant adding part is arranged on the sample reserving bag.

2. The multifunctional efficient sample retention effusion puncture device according to claim 1, characterized in that: the anticoagulant adding part comprises an anticoagulant bag and a communicating pipe, and the communicating pipe is communicated between the anticoagulant bag and the sample reserving bag; the communicating pipe is provided with a communicating valve or a sealing part which can be broken.

3. The multifunctional efficient sample retention effusion puncture device according to claim 2, characterized in that: the switching piece comprises a plurality of switching clamps, and each branch pipe of the multi-way guide pipe is provided with the switching clamp.

4. The multifunctional efficient sample retention effusion puncture device according to claim 3, characterized in that: the sampling bag is communicated with the sampling end; the sampling bag is provided with a liquid outlet pipe, the liquid outlet pipe is communicated with a protection cylinder, and the protection cylinder is provided with a sealing cover.

5. The multifunctional efficient sample retention effusion puncture device according to any one of claims 1-4, characterized in that: the sample retention bag is also provided with a liquid separation part.

6. The multifunctional efficient sample retention effusion puncture device according to claim 5, characterized in that: the sample reserving bag is also provided with a liquid taking part.

7. The multifunctional efficient sample retention effusion puncture device according to claim 6, characterized in that: the liquid separating part comprises a liquid separating pipe and a liquid separating bag, and the liquid separating pipe is communicated between the upper part of the sample reserving bag and the liquid separating bag; the liquid separating pipe is provided with a liquid separating valve or a breakable sealing part.

8. The multifunctional efficient sample retention effusion puncture device according to claim 7, characterized in that: when the sealing parts which can be broken off are arranged at the positions of the communicating pipe and the liquid dividing pipe, the communicating pipe and the liquid dividing pipe respectively comprise a main pipe and a dividing pipe communicated with the sample reserving bag; one end of the branch pipe, which is far away from the sample retention bag, is a breakable sealing end with the pipe diameter gradually reduced, and the end extends into the main pipe and is connected with the main pipe in a tensioning manner.

9. The multifunctional efficient sample retention effusion puncture device according to claim 8, characterized in that: the main pipe comprises a main pipe body and a connecting sleeve, and the sealing end of the branch pipe and the main pipe body both extend into the connecting sleeve and are in tension connection with the connecting sleeve.

10. The multifunctional efficient sample retention effusion puncture device according to claim 9, characterized in that: the sample reserving bag, the sampling bag and the liquid separating bag are all transparent plastic bags with scales.