阅读说明：本技术 一种直筒型管道液体取出器及液体取出方法 (Straight-barrel-type pipeline liquid extractor and liquid extracting method ) 是由 甘特·梅埃尔霍夫 罗伯特·科佩茨基 何俊 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种直筒型管道液体取出器,其包括：主体、刺破排液部、针筒部及血袋管道承载部,所述主体内部中空,所述刺破排液部设置在所述主体的一端上且相对所述主体可滑动,所述针筒部固定设置在所述主体的另一端上,所述血袋管道承载部活动设置在所述主体内部,所述刺破排液部设有第一刺破针,所述针筒部设有第二刺破针；一种液体取出方法,包括以下步骤：S1、固定装有待取出液体的血袋管道,S2、刺破血袋管道的两端,S3、从血袋管道的一端向血袋管道内鼓入空气,S4、待取出液体从血袋管道的另一端流出。本发明结构简单,操作也十分简便；一次性使用也不会有过重的经济负担；从而避免从复使用使用导致液体出现污染的情况。(The invention discloses a straight cylinder type pipeline liquid extractor, which comprises: the blood bag puncture drainage device comprises a main body, a puncture drainage part, a needle cylinder part and a blood bag pipeline bearing part, wherein the main body is hollow, the puncture drainage part is arranged at one end of the main body and can slide relative to the main body, the needle cylinder part is fixedly arranged at the other end of the main body, the blood bag pipeline bearing part is movably arranged in the main body, the puncture drainage part is provided with a first puncture needle, and the needle cylinder part is provided with a second puncture needle; a liquid extraction method comprising the steps of: s1, fixing the blood bag pipe filled with the liquid to be taken out, S2, puncturing two ends of the blood bag pipe, S3, blowing air into the blood bag pipe from one end of the blood bag pipe, and S4, allowing the liquid to be taken out to flow out from the other end of the blood bag pipe. The invention has simple structure and very simple and convenient operation; the disposable use does not have too heavy economic burden; thereby avoiding the situation that the liquid is polluted due to the reuse.)

1. A straight cylinder type pipeline liquid extractor is characterized by comprising: the puncture drainage device comprises a main body, a puncture drainage part, a needle cylinder part and a blood bag pipeline bearing part, wherein the main body is hollow, the puncture drainage part is arranged at one end of the main body and can slide relative to the main body, the needle cylinder part is fixedly arranged at the other end of the main body, the blood bag pipeline bearing part is movably arranged in the main body, the puncture drainage part is provided with a first puncture needle, the needle cylinder part is provided with a second puncture needle, when the puncture drainage part moves to a certain state along the main body, the puncture drainage part is abutted against one end of the blood bag pipeline bearing part, and pushes the other end of the blood bag pipeline bearing part to be abutted against the needle cylinder part, the puncturing and liquid discharging part and the needle cylinder part respectively puncture two ends of the blood bag pipeline borne on the blood bag pipeline bearing part, the needle cylinder part can blow air into the blood bag pipeline to discharge liquid in the blood bag pipeline from the puncture liquid discharge part.

2. The straight barrel type piping liquid extractor as claimed in claim 1, wherein said main body has a first end portion and a second end portion, said first end portion being provided with an abutment ring projecting inwardly of said main body.

3. The straight-tube type pipeline liquid extractor according to claim 2, wherein the puncture drainage part further comprises a tube body and a fixed disk, the fixed disk is fixed inside the tube body, the first puncture needle is fixed on the fixed disk, the thinner end of the first puncture needle protrudes out of the tube body and faces the needle tube part, and both ends of the first puncture needle are provided with through holes and are communicated with each other.

4. The straight-tube type pipe liquid extractor according to claim 3, wherein the outer diameter of the tube body is the same as the inner diameter of the abutting ring, and both ends of the tube body are respectively provided with a first abutting end and a second abutting end which can abut against the abutting ring.

5. The straight-tube type pipe liquid extractor according to claim 4, wherein the needle tube further comprises a needle tube fixed to the second end portion, the second puncture needle is disposed at an end of the needle tube close to the puncture drainage portion and is in communication with the inside of the needle tube, and the piston portion is disposed at an end of the needle tube far from the puncture drainage portion and is in piston movement with respect to the needle tube, and both ends of the second puncture needle are provided with through holes and are in communication with each other.

6. The straight-tube type pipeline liquid extractor as claimed in claim 5, wherein the piston portion comprises a push rod and a rubber plug, the push rod is inserted into one end of the syringe tube far away from the liquid-discharging portion and is slidable relative to the syringe tube, the rubber plug is disposed at one end of the push rod located inside the syringe tube, and the rubber plug is abutted against the inner wall of the syringe tube.

7. The straight-tube type pipeline liquid extractor as claimed in claim 6, wherein the blood bag pipeline carrying part is movably disposed in the main body and located between the puncture liquid discharging part and the needle cylinder part, the blood bag pipeline carrying part is a cylinder with openings at two ends, a clamping opening is disposed on a side wall of the blood bag pipeline carrying part, and the clamping opening is used for clamping a blood bag pipeline filled with liquid to be extracted.

8. A liquid take-out method based on the straight-tube type piping liquid take-out device as set forth in any one of claims 1 to 7, comprising the steps of:

s1, puncturing two ends of the blood bag pipeline,

s2, blowing air into the blood bag pipe from one end of the blood bag pipe,

and S3, the liquid to be taken out flows out from the other end of the blood bag pipe.

9. The liquid take-out method based on the straight tube type piping liquid take-out device as claimed in claim 8, wherein the step S1 comprises:

s11, pulling the push rod to enable the part of the push rod, which is positioned outside the syringe tube, to reach the maximum state, and filling the syringe tube with air;

s12, pushing the puncture drainage part to enable the tube body to extend into the main body to the deepest state, and pushing the blood bag pipeline bearing part to abut against the needle cylinder part by the tube body;

s13, the first puncture needle and the second puncture needle puncture the blood bag pipeline.

Technical Field

The invention relates to the technical field of blood component subpackaging, in particular to a straight-tube-type pipeline liquid extractor and a liquid extracting method.

Background

In recent years, a method for bioremediation therapy to severe xerophthalmia by extracting autologous serum from whole blood has appeared. The autologous serum contains auto-rich active polypeptide micromolecule repair factors and adhesive proteins, can effectively activate the re-secretion of lacrimal glands, repair the functions of the lacrimal glands, greatly relieve the symptoms of the xerophthalmia, such as redness of the eyes, foreign body sensation of the eyes and dry sensation of the eyes, and achieve the aim of relieving and curing the xerophthalmia. Meanwhile, the self-serum is applied, so that the eye-care product has no rejection, no anaphylactic reaction, no toxic or side effect and 100 percent safety, and is a new biological therapy for treating the eye dryness with the morbidity of more than 20 percent.

When the autologous serum is produced, the autologous serum is packaged in a tiny segmented blood bag catheter, the autologous serum in the pipeline is used for one time, and the autologous serum in the pipeline needs to be taken out during use.

However, because the reagent itself is thin, the method adopted conventionally is to cut one end of the blood bag tube, but the following problems exist: 1. the autologous serum is easy to overflow after being cut, so that the autologous serum is wasted; 2. the disinfection of scissors can not be paid particular attention to in the time of general user's cutting blood bag pipeline, leads to when cutting blood bag pipeline, can cause autologous serum's pollution 3, and the serum in the pipeline can not accurately instil into eyes because of lacking the location.

Disclosure of Invention

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a disposable straight-tube type liquid take-out device and a liquid take-out method using the same, which solve the above problems.

The technical scheme adopted by the invention is as follows: a straight barrel type pipeline liquid extractor comprising: the puncture drainage device comprises a main body, a puncture drainage part, a needle cylinder part and a blood bag pipeline bearing part, wherein the main body is hollow, the puncture drainage part is arranged at one end of the main body and can slide relative to the main body, the needle cylinder part is fixedly arranged at the other end of the main body, the blood bag pipeline bearing part is movably arranged in the main body, the puncture drainage part is provided with a first puncture needle, the needle cylinder part is provided with a second puncture needle, when the puncture drainage part moves to a certain state along the main body, the puncture drainage part is abutted against one end of the blood bag pipeline bearing part, and pushes the other end of the blood bag pipeline bearing part to be abutted against the needle cylinder part, the puncturing and liquid discharging part and the needle cylinder part respectively puncture two ends of the blood bag pipeline borne on the blood bag pipeline bearing part, the needle cylinder part can blow air into the blood bag pipeline to discharge liquid in the blood bag pipeline from the puncture liquid discharge part.

A liquid extraction method based on a straight cylinder type pipeline liquid extractor comprises the following steps:

s1, fixing the blood pipeline with the liquid to be taken out,

s2, puncturing two ends of the blood pipeline,

s3, blowing air into the blood bag pipe from one end of the blood pipe,

s4, the liquid to be taken out flows out from the other end of the blood pipeline.

The invention has the following effects: the straight-tube type pipeline liquid extractor is provided with a puncture liquid discharging part, a needle tube part and a blood bag pipeline bearing part, wherein the blood bag pipeline bearing part is used for bearing a blood pipeline filled with liquid to be extracted; the device has simple structure and very simple and convenient operation; the disposable use does not have too heavy economic burden; thereby avoiding the situation that the liquid is polluted due to the reuse.

Drawings

FIG. 1 is a schematic structural view of a straight tubular pipe liquid extractor according to the present invention;

FIG. 2 is a schematic structural view showing a state of a straight tube type pipe liquid extractor according to the present invention;

FIG. 3 is a schematic structural view showing a state of the straight tube type pipe liquid extractor according to the present invention;

fig. 4 is a schematic cross-sectional view of the blood bag conduit carrying portion of fig. 1.

Detailed Description

The invention is described below with reference to the accompanying drawings:

as shown in fig. 1-4, the straight-tube type pipeline liquid extractor provided by the present invention comprises a main body 1, a puncture drainage portion 2, a needle cylinder portion 3 and a blood bag pipeline carrying portion 4, wherein the main body 1 is hollow, the puncture drainage portion 2 is disposed at one end of the main body 1 and is slidable relative to the main body 1, the needle cylinder portion 3 is fixedly disposed at the other end of the main body 1, the blood bag pipeline carrying portion 4 is movably disposed in the main body 1, when the puncture drainage portion 2 slides to a certain state along the main body 1, the puncture drainage portion 2 abuts against one end of the blood bag pipeline carrying portion 4 and pushes the other end of the blood bag pipeline carrying portion 4 to abut against the needle cylinder portion 3, the puncture drainage portion 2 and the needle cylinder portion 3 respectively puncture both ends of the blood bag pipeline carried on the blood bag pipeline carrying portion 4, the needle cylinder 3 is capable of blowing air into the blood bag tube to discharge the liquid in the blood bag tube from the puncture drainage unit 2.

The blood bag conduit carrying part 4 is used for carrying a blood conduit containing liquid to be taken out.

The puncture drainage part 2 is used for pushing the blood bag pipeline bearing part 4 to be abutted against the needle cylinder part 3 and puncturing one end of a blood bag pipeline borne on the blood bag pipeline bearing part 4.

The needle cylinder part 3 is used for puncturing the other end of the blood bag pipeline carried on the blood bag pipeline carrying part 4 and blowing air into the blood pipeline.

The main body 1 is a cylinder body with openings at two ends, for convenience of description, the main body 1 is in contact with the puncturing and liquid discharging part 2 and is a first end part 11, and the main body 1 and the needle cylinder part 3 are fixed and are a second end part 12.

The first end portion 11 is provided with an abutment ring 111 projecting into the main body 1.

The puncture drainage part 2 comprises a tube body 21, a fixed disc 22 and a first puncture needle 23, the tube body 21 is a tube body with openings at two ends, the fixed disc 22 is fixed in the tube body 21, the first puncture needle 23 is fixed on the fixed disc 22, and the thinner end of the first puncture needle 23 protrudes out of the tube body 21 and faces the needle tube part 3.

Two ends of the first puncture needle 23 are provided with through holes and are communicated with each other.

The outer diameter of the pipe body 21 is the same as the inner diameter of the abutting ring 111, and a first abutting end 211 and a second abutting end 212 capable of abutting against the abutting ring 111 are respectively arranged at two ends of the pipe body 21.

When the pipe body 21 extends into the main body 1 to the deepest position, the first abutting end 211 abuts against the abutting ring 111, and when the portion of the pipe body 21 outside the main body 1 reaches the largest position, the two abutting ends 212 abut against the abutting ring 111.

The needle cylinder 3 includes a needle cylinder tube 31, a second puncture needle 32 and a piston portion 33, the needle cylinder tube 31 is a hollow tube with both closed ends, the needle cylinder tube 31 is fixed to the second end 12, the second puncture needle 32 is disposed at one end of the needle cylinder tube 31 close to the puncture drainage portion 2 and is communicated with the inside of the needle cylinder tube 31, and the piston portion 33 is inserted at one end of the needle cylinder tube 31 far from the puncture drainage portion 2 and performs a piston motion relative to the needle cylinder tube 31.

Two ends of the second puncture needle 32 are provided with through holes and are communicated with each other.

Piston portion 33 includes push rod 331 and rubber buffer 332, push rod 331 wears to locate syringe tube 31 is kept away from pierce the one end of drain 2, and relative syringe tube 31 is slidable, rubber buffer 332 sets up push rod 331 is located on the inside one end of syringe tube 31, rubber buffer 332 with syringe tube 31 inner wall butt.

Blood bag pipeline carrier portion 4 activity is established in the main part 1 and be located puncture drainage portion 2 between the needle section of thick bamboo portion 3, blood bag pipeline carrier portion 4 is both ends open-ended barrel, be equipped with card entry 41 on the lateral wall of blood bag pipeline carrier portion 4, card entry 41 is used for the card to go into and is equipped with the blood bag pipeline of waiting to take out liquid.

In this embodiment, when the straight tubular tube liquid extractor is manufactured, a blood bag tube is assembled on the blood bag tube carrying part 4, when the production is completed, the main body 1 cannot be separated from the puncture drainage part 2 and the needle cylinder part 3, and after the liquid extraction is completed, a user opens the straight tubular tube liquid extractor to self-replace the blood bag tube therein; thereby realizing disposable use and avoiding the situation that liquid is polluted due to repeated use.

When the straight tube type tube liquid extractor is used, a blood bag tube containing liquid to be extracted is inserted into the blood bag tube support portion 4 through the insertion opening 41, both ends of the blood bag tube are respectively directed to the puncture drainage portion 2 and the needle cylinder portion 3, the push rod 331 is pulled to maximize the portion of the push rod 331 located outside the needle cylinder tube 31, the needle cylinder tube 31 is filled with air (in the state shown in fig. 1), the puncture drainage portion 2 is pushed to extend the tube body 21 into the main body 1 to the deepest state, the tube body 21 pushes the blood bag tube support portion 4 to abut against the needle cylinder portion 3, the first puncture needle 23 and the second puncture needle 32 puncture the blood bag tube (in the state shown in fig. 2), the push rod 331 is pushed to input air in the needle cylinder tube 31 into the blood bag tube, and the liquid in the blood bag tube is discharged to the first puncture needle 23, and finally flows out from one end of the pipe body 21 (the state shown in fig. 3).

The invention also provides a liquid extraction method using the straight-tube type pipeline liquid extractor, which comprises the following steps:

s1, puncturing two ends of the blood bag pipeline,

s2, blowing air into the blood bag pipe from one end of the blood bag pipe,

and S3, the liquid to be taken out flows out from the other end of the blood bag pipe.

In this embodiment, the step S1 includes the following steps:

s11, pulling the push rod to enable the part of the push rod, which is positioned outside the syringe tube, to reach the maximum state, and filling the syringe tube with air;

s12, pushing the puncture drainage part to enable the tube body to extend into the main body to the deepest state, and pushing the blood bag pipeline bearing part to abut against the needle cylinder part by the tube body;

s13, the first puncture needle and the second puncture needle puncture the blood bag pipeline.

In this embodiment, the step S2 specifically includes: and pushing the push rod to enable the air in the syringe tube to be input into the blood bag pipeline.

Advantageous effects

The straight-tube type pipeline liquid extractor is provided with a puncture liquid discharging part, a needle tube part and a blood bag pipeline bearing part, wherein the blood bag pipeline bearing part is used for bearing a blood bag pipeline filled with liquid to be extracted; the device has simple structure, low cost and simple operation; the disposable use does not have too heavy economic burden; thereby avoiding the situation that the liquid is polluted due to the reuse.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.