CN109010991A - Infusion apparatus and sampling method and washing pipe method - Google Patents
Infusion apparatus and sampling method and washing pipe method Download PDFInfo
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- CN109010991A CN109010991A CN201810996543.1A CN201810996543A CN109010991A CN 109010991 A CN109010991 A CN 109010991A CN 201810996543 A CN201810996543 A CN 201810996543A CN 109010991 A CN109010991 A CN 109010991A
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- infusion
- threeway
- washing pipe
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- drawing out
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1407—Infusion of two or more substances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16827—Flow controllers controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
- A61M2005/1403—Flushing or purging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention discloses a kind of infusion apparatuses and sampling method and washing pipe method, it is related to the field of medical instrument technology, it solves existing infusion apparatus and is not easy to washing pipe when replacing drug, and the problem of can not achieve pulsed washing pipe, the scheme of use is: infusion apparatus, including spike, and spike connects is it possible that formula dropper, is it possible that formula dropper connects infusion tube, flow regulator is set on infusion tube；It further include washing pipe puncture outfit, washing pipe puncture outfit is connect with the entrance of the first threeway, the one outlet of first threeway be connected to is it possible that in the arrival end of formula dropper, another outlet connection washing pipe hose, washing pipe hose and infusion tube connect with Y-type three way type, the outlet end setting infusion connector of Y-type three way type；The second threeway is also set up on washing pipe hose, the second threeway connects drawing out and infusion device.Infusion apparatus can not only be pair is it possible that formula dropper and infusion tube carry out washing pipe, moreover it is possible to convenient and safe earth pulse washing pipe.Sample connection is set at infusion connector, convenient for taking qualified blood sample.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of infusion apparatuses, and realized by the infusion apparatus
Sampling method and washing pipe method.
Background technique
Venous transfusion is one of clinically used means of administration.There is incompatibility, medical workers for Drug combination
Basic several drugs of paying attention to are blended in the incompatibility in same venous transfusion liquid, are but easy to ignore two bottles or two bags of drugs more
Incompatibility when changing." intravenous pharmacy incompatibility table " is the foundation that incompatibility is avoided in clinical position, still, with system
The development of medicine company, new drug continue to bring out, the incompatibility between novel drugs and novel drugs, between novel drugs and existing drug
It does not often record, existing " intravenous pharmacy incompatibility table " has been insufficient as the foundation of clinical position, matching between drug
5 taboos, which just increasingly constitute, is difficult to the problem of holding in nursery work.Clinical research shows to pass through life between two kinds of infusion of drug
It manages salt water or glucose injection carries out washing pipe, infusion safety can be increased, property reduces influence of the incompatibility to venous transfusion.
Venous transfusion washing pipe is a kind of method for simply and effectively avoiding incompatibility.
The implementation of venous transfusion washing pipe can be divided into two kinds, the first is improved to transfusion flexible bag to realize washing pipe.Example
If publication No. is CN 104905963A, date of publication is that the patent on the 16th of September in 2015 discloses a kind of transfusion flexible bag and washing pipe side
Method, the bag body of the transfusion flexible bag are separated into medicinal fluid bag and flushing liquor bag, are carried out by the flushing liquor in flushing liquor bag to venous channel
It rinses, washing pipe can be carried out before infusion and after infusion.The transfusion flexible bag and washing pipe method can guarantee that medication is accurate, wears without sharp instrument
Thorn, guarantees the safety of washing pipe, but in addition to avoiding the washing pipe of incompatibility in clinic, it is also necessary to pulsed washing pipe is carried out, to avoid
Venous channel blocking, it is clear that above-mentioned transfusion flexible bag cooperates existing conventional infusion device to be irrealizable.
Second is to realize washing pipe by infusion apparatus.Generally, washing pipe operation is all the first connector disconnection by infusion apparatus, then
Disinfection separately connects one bag of physiological saline or Glucose Liquid, last saline injection or Glucose Liquid, and complete washing pipe.Due to need by
Infusion apparatus disconnects, and reconnects, and not only increases nursing work load, but also waste resource.Importantly, since infusion apparatus is soft
Bag connector exposes and is again coupled to infusion bag, and there are puncture procedures, increase patient and infection in nurses risk.
To the patient of venous transfusion, especially reduced stifled through the patient of peri-operative central venous infusion to guarantee that venous channel is unimpeded
Manage-style danger periodically should carry out pulsed washing pipe to venous channel.For central venous catheter, especially through periphery be implanted into it is calm
Arteries and veins conduit, usual pulsed washing pipe is usually 4h/ times, and current processing mode is exposed ductus venosus connector and sterilizes, then
Syringe is connected, then washing pipe is carried out by pre-filled flusher or other flushers.Due to needing to disconnect connecing for ductus venosus
Head, thus the risk of patient blood infection is increased, and pulsed washing pipe only has flushing effect to ductus venosus, Bu Nengyong
In the flushing of infusion apparatus remaining medical fluid, functionally presence, which can only rush conduit, cannot rush the deficiency of infusion apparatus.
There is also the needs of drug combination, such as patient to need to input norepinephrine while fluid infusion in clinic.
Existing processing mode is, connects one or more threeways in the junction of infusion apparatus and remaining needle, simultaneously by the branch pipe of threeway
It is transfused these drugs.It is not only cumbersome since threeway is that can disconnect, but also exist and disconnect risk and exposure,
There are security risks.
Venous channel is applied not only to be infused, and the venous channel met certain condition, for example central vein, plants through periphery
Enter central vein, arteriovenous sets pipe etc., be also used for extract blood sample.According to clinical and industry guidelines, blood mark is acquired
This when, needs to disconnect ductus venosus interface, then carries out the acquisition of blood preparation.Current sampling mode is first to disconnect ductus venosus
With infusion apparatus joint, then ductus venosus is sterilized twice, then with a part of blood of syringe pumpback and medicine company mixture
It abandons, last transvenous catheter suction blood sample.Due to needing the blood for disconnecting exposure blood and pumpback that cannot infuse again
Enter in patient body, which has exposure blood, the problems such as increasing the risk of blood infection and waste blood preparation.
From the point of view of the situation of reality, currently, each hospital is still largely using the transfusion flexible bags for not having flushing liquor bag, and
The situation will continue, and how improve to infusion apparatus, realize convenient, safely washing pipe, avoid the compatibility between drug anti-
It answers；Simultaneously can also pulsed washing pipe, reduce the risk of venous channel plugging, be the significant problem that faces in Present clinical nursing.
Summary of the invention
The present invention provides a kind of infusion apparatus, solves existing infusion apparatus and is not easy to washing pipe and existing defeated when replacing drug
Liquid device can not achieve the problem of pulsed washing pipe.
The present invention solve above-mentioned technical problem the technical solution adopted is that: infusion apparatus, including spike, is it possible that formula drip
Pipe and flow regulator, spike by hose with is it possible that the entrance of formula dropper is connected, is it possible that the outlet of formula dropper connects
Flow regulator is arranged on infusion tube in infusion tube；
Infusion apparatus further includes washing pipe puncture outfit, and washing pipe puncture outfit is connect by hose with the entrance of the first threeway, and the one or three
Logical setting valve, the one outlet of the first threeway be connected to it is described is it possible that in the arrival end of formula dropper, the first threeway another
Outlet connection washing pipe hose, washing pipe hose and the infusion tube are connect with Y-type three way type, and the outlet end setting of Y-type three way type is defeated
Liquid connector；Also setting up the second threeway on washing pipe hose between first threeway and Y-type three way type, the second threeway is arranged valve, and second
Drawing out and infusion device is connected on the branch pipe of threeway.
Wherein, drawing out and infusion device is the device that can aspirate and inject liquid, for example, syringe.Specifically, the pumping
Device is syringe, and syringe includes syringe and piston rod, and piston rod one end is piston, and the piston rod other end is piston handle；Needle
Cylinder one end is the nipple for connecting with the branch pipe of the second threeway, and connection is integral between nipple and the branch pipe of the second threeway,
The syringe other end is syringe handle, setting sealing film between syringe handle and piston rod；Two connectors of the second threeway and washing pipe hose
Between be all connected with and be integral.
Further, described is it possible that ring cavity is arranged in the inside of the arrival end of formula dropper, one of the first threeway goes out
Mouth is connected to is it possible that in the ring cavity of formula dropper, ring cavity and is it possible that cricoid gap is arranged between the inner wall of formula dropper.
Further, described is it possible that at least one third of also connecting on infusion tube between formula dropper and Y-type three way type
Threeway, third threeway is connect with infusion tube to be integral, and the branch pipe of third threeway is drug combination access port.
Specifically, also setting up filtering on the Y-type three way type and infusion tube between the third threeway of Y-type three way type
Device.
Further, also setting up sample connection on pipeline between the Y-type three way type and infusion connector.
Specifically, the sample connection includes pedestal, lumen is set, the lumen both ends of pedestal connect with pipeline respectively in pedestal
It connects and is integral；Attachment base is set on pedestal, seal cap is set on attachment base, the inside of attachment base is arranged heavy platform, inside heavy platform
Puncture needle is set, and puncture needle is connected to the lumen of pedestal, is passed through soft rubber encapsulated on the outside of puncture needle and is sealed.
The present invention also provides a kind of sampling methods, carry out blood sampling, packet by the above-mentioned infusion apparatus with sample connection
Include following steps:
S1. infusion tube is blocked by flow regulator, adjusts the valve of the second threeway, makes drawing out and infusion device and the first threeway
Between block, be connected between drawing out and infusion device and Y-type three way type；
S2. pumpback is carried out by drawing out and infusion device；
S3. blood sample is extracted from sample connection；
S4. the liquid of pumpback is injected by drawing out and infusion device.
The present invention also provides a kind of washing pipe method, solves to carry out washing pipe after replacing drug using existing infusion apparatus, operate
It is cumbersome, also unsafe problem.The technical solution adopted by the present invention is that: washing pipe method is rushed by any of the above-described infusion apparatus
Pipe, after completing one bag of liquid infusion, adjust the first threeway valve, make washing pipe puncture outfit with is it possible that formula dropper is connected to, washing pipe is worn
It pierces device and washing pipe hose blocks, finally with washing pipe liquid pair is it possible that formula dropper and infusion tube carry out washing pipe.Pass through the first threeway
Valve can control the usage amount of washing pipe liquid.
The present invention also provides a kind of washing pipe method, solve to carry out pulse washing pipe using existing infusion apparatus, it is cumbersome, also not
The problem of safety.The technical solution adopted by the present invention is that: washing pipe method carries out pulse washing pipe, packet by any of the above-described infusion apparatus
Include following steps:
S1. by flow regulator block infusion tube, and adjust the first threeway valve, make washing pipe puncture outfit with is it possible that
It blocks between formula dropper, be connected between washing pipe puncture outfit and washing pipe hose；
S2. the valve for adjusting the second threeway makes to be connected between drawing out and infusion device and the first threeway, drawing out and infusion device and Y-type three way type
Between block；
S3. flushing liquor is pumped into drawing out and infusion device by drawing out and infusion device；
S4. the valve for adjusting the second threeway makes blocking, drawing out and infusion device and Y-type three way type between drawing out and infusion device and the first threeway
Between be connected to；
S5. pulse washing pipe is carried out by drawing out and infusion device.
The beneficial effects of the present invention are: infusion apparatus can not only be after replacing drug easily pair is it possible that formula dropper and being infused soft
Pipe carries out washing pipe, reduces pharmaceutical incompatibility, and can also easily and safely carry out pulse washing pipe, reduces plugging risk.
Two kinds of washing pipe methods are all made of the washing pipe liquid bag connecting with washing pipe puncture outfit and realize can meet the needs of multiple washing pipe.Two kinds of punchings
Pipe method is easy to operate, washing pipe process without exposure, pipeline can also not turned off, guarantee the safety of washing pipe.
Transfusion system structure is simple, can do integral, and reduction can disconnect position, avoids exposure, improves and pacifies to patient
Quan Xing；For nursing staff, puncture time can be reduced, simplify operation, improve the convenience and safety of infusion.It is defeated
Liquid device is also convenient for drug combination and sampling operation.
One bag of infusion of drug finishes, and often has been drained off in the hose between Maufee type dropper and spike, infusion
Device can make to form one section of washing pipe liquid among infusion tube pair is it possible that formula dropper and infusion tube carry out washing pipe, largely right
The two bags of drugs in isolation front and back, avoid compatibility reaction.Is it possible that cricoid gap is arranged at the ring cavity of formula dropper, washing pipe liquid can be right
Is it possible that the inner wall of formula dropper carries out washing pipe, liquor residue is reduced.
Sampling method first passes through drawing out and infusion device pumpback and extracts a part of blood, which contains a large amount of infusing medicine
Object, not complex samples requirement；Then, blood sample is extracted from sample tap, guarantees the accurate of sampling；Finally in time by extraction
Blood is injected back into vivo.
Detailed description of the invention
Fig. 1 is the schematic diagram of infusion apparatus embodiment of the present invention.
Fig. 2 is the enlarged drawing of sample connection in Fig. 1.
Fig. 3 is in Fig. 1 is it possible that the enlarged drawing of formula dropper.
Components, position and number in figure: spike 1, is it possible that formula dropper 2, ring cavity 21, gap 22, flow
Adjuster 3, infusion tube 4, washing pipe puncture outfit 5, the first threeway 6, washing pipe hose 7, drawing out and infusion device 8, sample connection 9, pedestal 91,
Attachment base 92, seal cap 93, heavy platform 94, puncture needle 95, flexible glue 96, Y-type three way type 10, infusion connector 11, the second threeway 12, third
Threeway 13, drug combination access port 131, filter 14.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figures 1 to 3, infusion apparatus of the present invention, including spike 1, is it possible that formula dropper 2 and flow regulator 3, defeated
Liquid puncture outfit 1 is by hose with is it possible that the entrance of formula dropper 2 is connected, and the outside of spike 1 is arranged sheath, is it possible that formula dropper
2 outlet connects infusion tube 4, wears flow regulator 3 on infusion tube 4.Air inlet pipe can be also connected on spike 1,
So that spike 1 is applicable not only to transfusion flexible bag, is also applied for the infusion bottle of hard.
Infusion apparatus further includes washing pipe puncture outfit 5, and the structure of washing pipe puncture outfit 5 is identical as the structure of infusion tube 4, and washing pipe is worn
Air inlet pipe can be also connected on thorn device 5, to be suitable for the infusion bottle of hard.Washing pipe puncture outfit 5 is entered by hose and the first threeway 6
Valve is arranged in mouth connection, the first threeway 6, and the first threeway 6 includes an entrance and two outlets, the one outlet of the first threeway 6
Be connected to it is described is it possible that in the arrival end of formula dropper 2, for pair is it possible that formula dropper 2 and infusion tube 4 carry out washing pipe.First threeway
6 another outlet connection washing pipe hose 7, washing pipe hose 7 is for carrying out pulse washing pipe.Washing pipe hose 7 and infusion tube 4 with
Y-type three way type 10 connects, and infusion connector 11 is arranged in the outlet end of Y-type three way type 10.Infusion connector 11 with ductus venosus for directly connecing
Head connection, such as infusion connector 11 are general female Luer.On washing pipe hose 7 between first threeway 6 and Y-type three way type 10 also
Second threeway 12 is set, and the second threeway 12 is arranged valve, connects drawing out and infusion device 8 on the branch pipe of the second threeway 12.
Drawing out and infusion device 8 is the device that can aspirate and inject liquid, for example, syringe or other can realize suction and
The device of injection.Specifically, drawing out and infusion device 8 is syringe disclosed in patent that Authorization Notice No. is CN 204655607U.Such as
Shown in Fig. 1, drawing out and infusion device 8 is syringe.The syringe includes syringe and piston rod, and piston rod one end is piston, and piston rod is another
One end is piston handle；Syringe one end is the nipple for connecting with the branch pipe of the second threeway 12, the branch of nipple and the second threeway 12
Connection is integral between pipe, can not as be disconnected；The syringe other end is syringe handle, is arranged between syringe handle and piston rod
Seal film；It is all connected with and is integral between second threeway 12 and two connectors of washing pipe hose 7, i.e., can not disconnect.Second
Three connectors of threeway 12 are all connected with and are integral with drawing out and infusion device 8, washing pipe hose 7, i.e., can not disconnect, and guarantee connection
Intensity and airtightness guarantee using safe.And setting sealing film between syringe handle and piston rod, make entire syringe and piston rod
It remains closed, further enhances safety.
Infusion tube 4 and washing pipe hose 7 can be two independent pipelines side by side, or two side by side and are bonded in
Pipeline or single-tube double-cavity formula pipeline together, wherein flow regulator 3 is only arranged at the outside of infusion tube 4.
After infusion of drug, often had been drained off in the hose between spike 1 and Maufee type dropper 2, so
Avoid focusing on for Maufee type dropper 2 and its back segment pipeline progress washing pipe for the washing pipe of incompatibility.In order to pair is it possible that
The inner wall of formula dropper 2 carries out washing pipe, reduces residual quantity, as shown in figure 3, is it possible that ring-type is arranged in the inside of the arrival end of formula dropper 2
Cavity 21 is to protrude into the pipeline is it possible that formula dropper 2 at 21 center of ring cavity, is it possible that settable on the outside of the arrival end of formula dropper 2
Or it is not provided with chemical feed pipe.The one outlet of first threeway 6 is connected to is it possible that in the ring cavity 21 of formula dropper 2, ring cavity 21
With is it possible that cricoid gap 22 is arranged between the inner wall of formula dropper 2, i.e. gap 22 along is it possible that the inner wall edge of formula dropper 2 is arranged,
Convenient for flushing liquor from is it possible that the inner wall of formula dropper 2 flows down, pair is it possible that the inner wall of formula dropper 2 is rinsed.
For the requirement for meeting drug combination in infusion.Is it possible that on infusion tube 4 between formula dropper 2 and Y-type three way type 10 also
It connects at least one third threeway 13, i.e. the two of third threeway 13 branch pipe is connect with infusion tube 4 respectively, third threeway 13
Another branch pipe is drug combination access port 131.In order to avoid usual manner directly connects threeway on infusion tube 4, exist
Problem that is easy to fall off, leading to connector exposure, two branch pipes of third threeway 13 are connect with infusion tube 4 to be integral, i.e. third
13 both ends of threeway are integral with infusion tube 4, can not disconnect.Third threeway 13 can be arranged according to requirements, such as 2,3
It is a, 4 or 5.The needs for considering cost and reality, are preferably provided with three third threeways 13.Third threeway 13 can be selected without
The threeway with valve also may be selected in the threeway of valve.
Filter is also set up on Y-type three way type 10 and infusion tube 4 between the third threeway 13 of Y-type three way type 10
14, filter 14 is for being filtered the medical fluid and washing pipe liquid of infusion.Washing pipe puncture outfit 5 is directly connected to flushing liquor bag or flushing
Liquid bottle, and flushing liquor bag and cleaning liquid bottle will not add medical fluid, there is no the impurity such as glass dregs, therefore can not on washing pipe hose 7
Filter is set.
For the ease of taking blood sample, sample connection 9 is also set up on the pipeline between Y-type three way type 10 and infusion connector 11.It takes
Sample connector 9, which can be disconnected to, is connected to pipeline, or is integral with piping connection, and sample connection 9 can be calparine cap.More preferably
Mode is following manner, such as Fig. 2, and sample connection 9 includes pedestal 91, is arranged lumen in pedestal 91, lumen both ends respectively with pipeline
Connection is integral, i.e., pedestal 91 is T-type threeway, and two branch pipes of T-type threeway are integral with piping connection, and T-type threeway is another
Branch pipe is sampling branch pipe.Attachment base 92 is set on pedestal 91, and the inside of attachment base 92 is arranged heavy platform 94, is arranged on attachment base 92 close
Sealing cap 93, seal cap 93 are threadedly connected to attachment base 92, and seal cap 93 can close entire heavy platform.In the heavy platform 94 of attachment base 92
Puncture needle 95 is set, and the needle point setting pin hole of puncture needle 95 is simultaneously connected to the lumen of pedestal 91, i.e. puncture needle 95 and T-type threeway
The connection of sampling branch pipe, wrap up and seal by flexible glue 96 on the outside of puncture needle 95.Height of the flexible glue 96 in heavy platform 94 is not more than
The depth of heavy platform 94 guarantees safety.
At typical condition, puncture needle 95 is coated and is closed by flexible glue 96, and seal cap 93 has insulation blocking and secondary close
The effect of envelope.When sampling, seal cap 93 is removed, by the heavy platform 94 of vacuum blood collection tube insertion attachment base 92, vacuum blood collection tube is squeezed
Flexible glue 96, puncture needle 95 puncture the cork of vacuum blood collection tube, realize sampling.Sampling finishes, and takes out vacuum blood collection tube, 96 weight of flexible glue
New package puncture needle 95 simultaneously seals puncture needle 95, realizes the automatic-sealed of sample connection 9.Puncture needle 95, which is only used for puncturing vacuum, to be adopted
Metal material can be selected in the cork of blood vessel, puncture needle 95, or is rigid plastics material.
Due to sample connection 9 to infusion connector 11, then into the pipeline of remaining needle there are a large amount of medical fluid, cannot directly from
Sample connection 9 takes satisfactory blood sample.Sampling method of the invention, by above-mentioned defeated with sample connection 9
Liquid device carries out blood sampling, comprising the following steps:
S1. infusion tube 4 is blocked by flow regulator 3, adjusts the valve of the second threeway 12, make drawing out and infusion device 8 and the
It blocks between one threeway 6, be connected between drawing out and infusion device 8 and Y-type three way type 10.
S2. pumpback is carried out by drawing out and infusion device 8.The mixed liquor of medical fluid, washing pipe liquid and blood is subjected to pumpback, makes to sample
Blood at connector 9 is the blood for meeting sampling standard.
S3. blood sample is extracted from sample connection 9.
S4. the liquid of pumpback is injected by drawing out and infusion device 8.After the completion of sampling, it will be returned in S2 step by drawing out and infusion device 8
Medical fluid, washing pipe liquid and the part blood of pumping inject human body.
According to above-mentioned sampling method it is found that the sample connection 9 of infusion apparatus is arranged in response to as close as possible to infusion connector 11, reduce
8 pumpback amount of drawing out and infusion device.
Washing pipe method of the invention, for being rushed after replacing drug.Washing pipe method is rushed by above-mentioned infusion apparatus
Pipe, washing pipe puncture outfit 5 connects washing pipe liquid bag or washing pipe liquid bottle, after completing one bag of liquid infusion, adjusts the valve of the first threeway 6,
Make washing pipe puncture outfit 5 with is it possible that formula dropper 2 is connected to, washing pipe puncture outfit 5 and washing pipe hose 7 block, finally use washing pipe liquid pair is it possible that
Formula dropper 2 and infusion tube 4 carry out washing pipe.By the valve of the first threeway 6, the usage amount of washing pipe liquid can control.
Washing pipe method of the invention, for carrying out pulse washing pipe.Washing pipe method carries out pulse punching by above-mentioned infusion apparatus
Pipe, comprising the following steps:
S1. infusion tube 4, or the valve blocks infusion tube for passing through third threeway 13 are blocked by flow regulator 3
4；The valve for adjusting the first threeway 6 makes washing pipe puncture outfit 5 and is it possible that blocking, washing pipe puncture outfit 5 and washing pipe is soft between formula dropper 2
It is connected between pipe 7.
S2. the valve for adjusting the second threeway 12 makes to be connected between drawing out and infusion device 8 and the first threeway 6, drawing out and infusion device 8 and Y type
It is blocked between threeway 10.
S3. flushing liquor is pumped into drawing out and infusion device 8 by drawing out and infusion device 8.Such as 20ml flushing liquor is extracted to drawing out and infusion device 8
It is interior.
S4. the valve for adjusting the second threeway 12 makes blocking, drawing out and infusion device 8 and Y type between drawing out and infusion device 8 and the first threeway 6
It is connected between threeway 10.
S5. pulse washing pipe is carried out by drawing out and infusion device 8.
Above two washing pipe method and sampling method are integrated on infusion apparatus, avoid existing washing pipe, sampling mode
Cumbersome and insecurity, and transfusion system structure is simple, and manufacturing cost is low, easy to use.
Claims (10)
1. infusion apparatus, including spike (1), is it possible that formula dropper (2) and flow regulator (3), spike (1) pass through
Hose with is it possible that the entrance of formula dropper (2) is connected, is it possible that the outlet of formula dropper (2) connects infusion tube (4), infusion tube (4)
Upper setting flow regulator (3)；It is characterized by:
Infusion apparatus further includes washing pipe puncture outfit (5), and washing pipe puncture outfit (5) is connect by hose with the entrance of the first threeway (6), the
One threeway (6) is arranged valve, the one outlet of the first threeway (6) be connected to it is described is it possible that in the arrival end of formula dropper (2), first
Another outlet connection washing pipe hose (7) of threeway (6), washing pipe hose (7) and the infusion tube (4) are and Y-type three way type
(10) it connects, infusion connector (11) are arranged in the outlet end of Y-type three way type (10)；Rushing between the first threeway (6) and Y-type three way type (10)
It is also set up on pipe hose (7) the second threeway (12), valve is arranged in the second threeway (12), connects and takes out on the branch pipe of the second threeway (12)
Dispensing device (8).
2. infusion apparatus as described in claim 1, it is characterised in that: the drawing out and infusion device (8) is syringe, and syringe includes needle
Cylinder and piston rod, piston rod one end are piston, and the piston rod other end is piston handle；Syringe one end be for the second threeway (12)
Branch pipe connection nipple, connect and be integral between nipple and the branch pipe of the second threeway (12), the syringe other end be syringe handle,
Setting sealing film between syringe handle and piston rod；Be all connected between second threeway (12) and two connectors of washing pipe hose (7) for
One is whole.
3. infusion apparatus as described in claim 1, it is characterised in that: described is it possible that the inside of the arrival end of formula dropper (2) is arranged
The one outlet of ring cavity (21), the first threeway (6) is connected to is it possible that in the ring cavity (21) of formula dropper (2), and ring-type is empty
Chamber (21) and is it possible that cricoid gap (22) are set between the inner wall of formula dropper (2).
4. infusion apparatus as claimed in claim 1,2 or 3, it is characterised in that: described is it possible that formula dropper (2) and Y-type three way type (10)
Between infusion tube (4) on also connect at least one third threeway (13), third threeway (13) is connected as with infusion tube (4)
One is whole, and the branch pipe of third threeway (13) is drug combination access port (131).
5. infusion apparatus as claimed in claim 4, it is characterised in that: the Y-type three way type (10) and near Y-type three way type (10)
Filter (14) are also set up on infusion tube (4) between third threeway (13).
6. infusion apparatus as claimed in claim 4, it is characterised in that: between the Y-type three way type (10) and infusion connector (11)
Sample connection (9) are also set up on pipeline.
7. infusion apparatus as claimed in claim 6, it is characterised in that: the sample connection (9) includes pedestal (91), pedestal (91)
The lumen both ends of interior setting lumen, pedestal (91) are integral with piping connection respectively；Attachment base (92) are set on pedestal (91),
Seal cap (93) are set on attachment base (92), counterbore (94) are arranged in the inside of attachment base (92), and setting punctures inside counterbore (94)
Needle (95), puncture needle (95) are connected to the lumen of pedestal (91), are wrapped up and are sealed by flexible glue (96) on the outside of puncture needle (95).
8. sampling method, it is characterised in that: by the progress blood sampling of infusion apparatus described in the claims 6 or 7, including with
Lower step:
S1. infusion tube (4) are blocked by flow regulator (3), adjusts the valve of the second threeway (12), makes drawing out and infusion device (8)
It blocks between the first threeway (6), be connected between drawing out and infusion device (8) and Y-type three way type (10)；
S2. pumpback is carried out by drawing out and infusion device (8)；
S3. blood sample is extracted from sample connection (9)；
S4. the liquid of pumpback is injected by drawing out and infusion device (8).
9. washing pipe method, it is characterised in that: rushed by infusion apparatus described in 1 to 7 any claim of the claims
Pipe after completing one bag of liquid infusion, adjusts the valve of the first threeway (6), makes washing pipe puncture outfit (5) and is it possible that formula dropper (2) connects
Logical, washing pipe puncture outfit (5) and washing pipe hose (7) block, finally use washing pipe liquid pair is it possible that formula dropper (2) and infusion tube (4) into
Row washing pipe.
10. washing pipe method, it is characterised in that: carry out arteries and veins by infusion apparatus described in 1 to 7 any claim of the claims
It manages in a state of excitement, comprising the following steps:
S1. infusion tube (4) are blocked by flow regulator (3), and adjusts the valve of the first threeway (6), make washing pipe puncture outfit
(5) and is it possible that blocking between formula dropper (2), being connected between washing pipe puncture outfit (5) and washing pipe hose (7)；
S2. the valve for adjusting the second threeway (12) makes to be connected between drawing out and infusion device (8) and the first threeway (6), drawing out and infusion device (8)
It is blocked between Y-type three way type (10)；
S3. flushing liquor is pumped into drawing out and infusion device (8) by drawing out and infusion device (8)；
S4. the valve for adjusting the second threeway (12) makes blocking, drawing out and infusion device (8) between drawing out and infusion device (8) and the first threeway (6)
It is connected between Y-type three way type (10)；
S5. pulse washing pipe is carried out by drawing out and infusion device (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996543.1A CN109010991B (en) | 2018-08-29 | 2018-08-29 | Infusion apparatus, sampling method and flushing pipe method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996543.1A CN109010991B (en) | 2018-08-29 | 2018-08-29 | Infusion apparatus, sampling method and flushing pipe method |
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| CN109010991A true CN109010991A (en) | 2018-12-18 |
| CN109010991B CN109010991B (en) | 2023-05-26 |
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| CN201810996543.1A Active CN109010991B (en) | 2018-08-29 | 2018-08-29 | Infusion apparatus, sampling method and flushing pipe method |
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| Publication number | Publication date |
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| CN109010991B (en) | 2023-05-26 |
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