CN107802271A - Blood sampling remaining needle and application method - Google Patents
Blood sampling remaining needle and application method Download PDFInfo
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- CN107802271A CN107802271A CN201711035276.3A CN201711035276A CN107802271A CN 107802271 A CN107802271 A CN 107802271A CN 201711035276 A CN201711035276 A CN 201711035276A CN 107802271 A CN107802271 A CN 107802271A
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- 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
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- 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
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- 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
- A61B5/155—Devices specially adapted for continuous or multiple sampling, e.g. at predetermined intervals
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present patent application discloses a kind of blood sampling remaining needle, including blood collection assembly, three-way pipe and draw point frame, blood collection assembly includes blood sampling needle stand, blood sampling needle stand side is provided with blood taking needle, blood sampling needle stand opposite side is provided with the pricker for being used for inserting batching pig, blood taking needle is connected with pricker, and blood sampling needle stand is slided with the rear end being responsible for and is detachably connected；Three-way pipe includes supervisor and side pipe, the front end of supervisor are communicated with puncture flexible pipe；Batching pig is provided with the rear end of supervisor, side pipe is connected with dip tube, and being provided with sealing liquid outside dip tube presss from both sides；Draw point frame is provided with draw point；The remote internal valve for being provided with blocking puncture flexible pipe of puncture flexible pipe, valve are provided with the opening for being used for dredging puncture flexible pipe under stress, and draw point sequentially passes through batching pig, the supervisor of three-way pipe, puncture flexible pipe and opening.Originally the application method for disclosing above-mentioned blood sampling remaining needle is returned.Compared with prior art, this blood sampling greatly reduces the workload of medical personnel with remaining needle, also mitigates the pain of patient.
Description
Technical field
The invention belongs to technical field of medical instruments, specifically discloses a kind of blood sampling remaining needle and application method.
Background technology
When doctor diagnoses to the disease of patient, generally by means of blood testing result.Therefore under normal circumstances, patient
Go to hospital to check or see a doctor, be both needed to first carry out blood sampling chemical examination, according to result of laboratory test and combine the symptom of patient, doctor can
The diagnosis of science is made to its situation.It is required for taking a blood sample during patient checks or sees a doctor, current Blood collection master
There are two kinds, a kind of is that puncture blood drawing, then the blood injecting tube that will manually extract out are carried out to the blood vessel of patient using syringe
Inside chemically examined；Another kind is punctured by blood taking needle to the blood vessel of patient, then the opposite side of blood taking needle is inserted into heparin tube
It is interior, blood is extracted out from patient's body using the negative pressure in heparin tube.Above two mode is taken a blood sample, and is disposably to take a blood sample, complete
Into after once taking a blood sample, i.e., blood taking needle or syringe are discarded.
For common physical examination or simple medical diagnosis on disease, it is only necessary to take a blood sample once, using above two
Blood-sampling method.And come for some complicated physical examinations, such as multinomial physical examination, or the diagnosis of major disease
Say, need repeatedly to be taken a blood sample in different periods in checking process.If still being taken a blood sample using above two method, it is repeatedly right to need
Patient is punctured；Just done for medical personnel relatively complicated, workload greatly increases；The multiple quilt of blood vessel for patient
Meeting excessive damage is punctured, patient is also more painful.Repeatedly puncture simultaneously and easily cause infection, to the health of patient very not
Profit；If infect, it is also possible to blood test results are impacted, misleading doctor is diagnosing patient.In addition, blood sampling every time
Blood taking needle or syringe will be discarded, causes the wasting of resources and pollution environment.
For this, hospital when occurring needing repeatedly to take a blood sample to patient's different periods, employs vein in actually taking a blood sample
The remaining needle of transfusion is taken a blood sample, to avoid the multiple puncture to patient.When being taken a blood sample using remaining needle, blood sampling every time needs
Remaining needle is punctured using syringe, then manually extract out and chemically examined in blood injecting tube, come for medical personnel
Say that operating procedure is not reduced, still there is larger workload.Waste needle cylinder is still to after blood drawing every time simultaneously, the wasting of resources
Situation does not improve.It has also been found that, remaining needle using the liquid of transfusion when not in use, it is necessary to be sealed in actual use
Liquid；The continuous liquid and liquid of patient will contact, in part blood meeting indwelling three-way pipe, it will cause patient body uncomfortable.In addition
Every time in the blood of patient's blood sampling, liquid will largely be extracted out with blood, and liquid will impact to the testing result of blood.
The content of the invention
The purpose of the present invention is providing a kind of blood sampling remaining needle, needs repeatedly to be adopted in different periods to solve patient
During blood, medical personnel operate the problem of relatively complicated, workload is larger.
In order to achieve the above object, base case of the invention is：Blood sampling remaining needle, including blood collection assembly, three-way pipe
With draw point frame, the blood collection assembly includes blood sampling needle stand, and blood sampling needle stand side is provided with blood taking needle, blood taking needle is equipped with outside blood taking needle
Set；The three-way pipe includes supervisor and side pipe, and the front end of supervisor is communicated with puncture flexible pipe, punctures hose overcoat and is provided with pipe sleeve；It is main
Batching pig is provided with the rear end of pipe, side pipe is connected with dip tube, and being provided with sealing liquid outside dip tube presss from both sides；The draw point frame is provided with steel
Pin, described puncture are provided with the valve for blocking and puncturing flexible pipe inside the one end of flexible pipe away from supervisor, the valve, which is provided with, to be used for
Dredging punctures the opening of flexible pipe under pressure, and the draw point sequentially passes through batching pig, supervisor, punctures flexible pipe, opening；The blood taking needle
Side of the seat away from blood taking needle is provided with the pricker for being used for inserting batching pig, and blood taking needle connects with pricker, and the blood sampling needle stand is provided with
The side of pricker is detachably connected with the rear end being responsible for.
The front-end and back-end of middle supervisor in scheme, expression be supervisor one end and the other end relation.
The operation principle of this base case is：For needing the multiple patient for carrying out puncture blood collecting, in first blood sampling
Blood sampling remaining needle can be used.Specific operating process is to extract the pipe sleeve for puncturing flexible pipe, patient is carried out using draw point quiet
Arteries and veins is punctured, and the intravenous of patient will be entered with draw point by puncturing flexible pipe.After the completion for the treatment of venipuncture, draw point is extracted, abandons draw point
Frame and draw point, three-way pipe is fixed on patient body.The liquid of sealing liquid is injected by the end of dip tube again, liquid is full of
After three-way pipe, pressed from both sides using sealing liquid and block dip tube；Liquid and blood make valve both sides pressure differential no longer be present, and close valve
Close.Then pricker is pierced into batching pig, blood collection assembly is slidably connected at supervisor rear end.
When gathering patient blood, sliding blood collection assembly makes it to be filled in close to three-way pipe, the tip of pricker through isolation
Enter in three-way pipe, blood taking needle is inserted in vacuum blood collection tube.Pricker connects three-way pipe with vacuum blood collection tube with blood taking needle, true
Under the suction function of empty heparin tube, the opening of valve is opened, and blood enters vacuum blood collection tube.Blood in vacuum blood collection tube reaches soon
During to aequum, blood taking needle is extracted into vacuum blood collection tube.Complete after once taking a blood sample, be filled with again into three-way pipe by dip tube
Sealing liquid liquid, make valve both sides blood and liquid without pressure difference so that opening is closed.Simultaneously blood collection assembly is slided to make it away from
Three-way pipe, the tip of pricker will enter batching pig, and three-way pipe is sealed in the presence of batching pig.
It is quiet without carrying out again every, it is necessary to when being taken a blood sample again to patient, repeating above-mentioned blood sampling operation after a period of time
Arteries and veins punctures.Blood taking needle need not take blood sampling needle guard when inserting vacuum blood collection tube, the tip of blood taking needle is directly through blood sampling needle guard
Top is pierced into collection tube and can taken a blood sample.When vacuum blood collection tube is pulled up, the tip of blood taking needle is retracted in blood sampling needle guard, blood taking needle
Cover and the tip of blood taking needle is sealed, prevent blood taking needle from pricking patient or medical personnel, it is dirty to be also possible to prevent blood taking needle
Dye.
The beneficial effect of this base case is：This blood sampling passes through the blood of valve both sides and the pressure of liquid with remaining needle
Power, by closure of openings, blood is set no longer not flow in three-way pipe, avoiding blood from flowing into three-way pipe makes patient body uncomfortable.
This blood sampling is with remaining needle for needing multiple blood sampling, particularly different periods to need repeatedly blood sampling, the patient for carrying out blood testing
For, it is only necessary to a vascular puncture is carried out, significantly reduces the pain of patient, blood sampling is also effectively prevented very much and punctures
During caused by infection, the physical condition of patient is diagnosed by blood test result so as to be advantageous to doctor, also had
Beneficial to the health of patient.This blood sampling for medical personnel, needs to give for a long time with remaining needle especially for hospital
For the clinical laboratory of patient's blood sampling, a patient only needs one-time puncture, significantly reduces the workload of medical personnel.This blood sampling is used
Remaining needle is after multiple blood sampling, it is only necessary to abandons a deuterzooid blood sampling remaining needle, without abandoning other medical instruments, significantly solves
Resource, also protect environment.The use process of this blood sampling remaining needle, it is very simple and convenient to overcome in existing blood collection procedure
Weak point, the efficiency and security of blood sampling are improved comprehensively.Compared with prior art, this blood sampling is greatly reduced with remaining needle
The workload of medical personnel, also mitigate the pain of patient.
Further, in addition to the gentle capsule of elastic pipe sleeve, one end of the elastic pipe sleeve are fixedly connected with batching pig, the other end
Provided with baffle plate；Cavity is provided with inside the elastic pipe sleeve, supervisor's inwall is embedded with breather pipe, and the air bag is empty in supervisor
Chamber is connected with air bag by breather pipe.
In blood sampling of this blood sampling with remaining needle, will slide blood collection assembly makes it close to three-way pipe, now blood collection assembly pair
Elastic pipe-in-pipe, which extrudes, makes its compression, and through breather pipe press-in in the air bag of three-way pipe, air bag volume increases the air in cavity
Liquid in senior general's three-way pipe is extruded.It is set to open sealing liquid folder before three-way pipe sliding blood collection assembly, now three
Liquid in siphunculus will be flowed back in dip tube under the squeezing action of air bag through side pipe, and envelope is closed after liquid flows back to dip tube
Liquid presss from both sides.The liquid that this process can reduce sealing liquid is drawn into vacuum blood collection tube, avoids the excessive shadow of the liquid in vacuum blood collection tube
Ring blood testing.
Further, the elastic pipe sleeve includes bellows and the telescoping tube passed through for draw point or pricker, the bellows
It is connected with one end of telescoping tube with septum seals, the telescoping tube is located on the center line of bellows, the bellows and stretches
The one end of the draw away from batching pig is connected with guard seal.
The setting of telescoping tube, pricker can be made not make elastic pipeline gas leakage through elastic pipe sleeve, so that elastic pipe sleeve
Gas is pressed into air bag, further reduces liquid and enters vacuum blood collection tube.Bellows structure is simple, is easy to design and manufactures,
More it is suitable for elastic pipe sleeve of this blood sampling in remaining needle.
Further, the bellows is made up of elastoplast, and the baffle plate is slidably connected with supervisor rear end, the bellows
It is interior to be provided with support elastic component.Bellows is that elastoplast is made and can further make bellows compression effectiveness more, baffle plate and supervisor
Rear end is slidably connected, and the compression process of baffle plate and elastic pipe sleeve can be made more stable.Support elastic component can make elastic tube be enclosed on pressure
Home position can be recovered after contracting automatically, it is recovered position without the artificial blood collection assembly that slides, make the operation of this blood sampling remaining needle
It is more easy.
Further, the rear end outer symmetrical of the supervisor is provided with two pieces of support plates, and the support plate is provided with neck, the blood sampling
Needle stand is provided with the pole being slidably fastened with neck, and the blood sampling needle stand is provided with the bearing piece of blood collection assembly easy to remove.Support plate
Setting with bearing piece is easy to slide blood collection assembly, and the setting of neck and pole realizes that blood collection assembly detachably connects with supervisor rear end
Connect, and it can be made to be slidably connected.
Further, the one end of the pole away from blood sampling needle stand is provided with spherical limitation plug, and the neck bottom is and branch
The circular trough that bar is slidably connected.Limitation plug and circular trough avoid blood collection assembly from being slipped when being responsible for rear end and sliding.
Further, supervisor's inwall place relative with side pipe is be hinged is provided with flap, and the flap is away from be hinged one end position
In in side pipe.When being taken a blood sample using this blood sampling with remaining needle, baffle plate can avoid liquid from being made through being responsible in the fluid patient body of front end
It is uncomfortable into patient；Liquid is substantially entered dip tube through side pipe, further reduce the liquid into vacuum blood collection tube.
Further, the draw point frame is provided with vertical slot, and the outer wall for being responsible for rear end is provided with raised line, draw point frame and supervisor rear end
It is connected together by vertical slot and raised line；The draw point frame is externally provided with handle, and the blood sampling needle guard overcoat has sheath.It is easy to draw point frame
Connection, dismounting with supervisor rear end.
It is a further object to provide the application method of above-mentioned blood sampling remaining needle, comprise the following steps：
(1) prepare：Patient's blood sampling site is carried out disinfection, and tourniquet is tied above sterilization scope；Will blood sampling with staying
The pipe sleeve put on pin removes；
(2) puncture：Hand-held draw point frame, takes off tight skin, and venipuncture is completed using draw point；
(3) draw point is moved back：Draw point is exited from patient's blood vessel, the raised line on supervisor is skidded off into vertical slot, draw point frame is from threeway
Pull down and abandon on pipe；
(4) fixed three-way pipe：Three-way pipe is fixed on patient body using adhesive plaster, removes tourniquet；Then from sealing liquid
The liquid of the end injection sealing liquid of pipe, liquid are full of three-way pipe；
(5) blood collection assembly is installed：Pricker through telescoping tube and is pierced into batching pig, pole is caught in circular trough through neck
It is interior；
(6) blood sampling prepares：It is made close to three-way pipe to bearing piece force, elastic pipe sleeve, which is extruded, passes through the gas in its cavity
Breather pipe is pressed into the air bag of three-way pipe, and the increase of air bag volume is extruded the liquid in three-way pipe；Baffle plate will
Front end of the barrier liquid through supervisor enters human body from flexible pipe is punctured, and liquid can enter dip tube after being squeezed through side pipe, now
The dip tube that be will be close to using sealing liquid folder at side pipe is blocked, and prevents liquid from flowing；
(7) take a blood sample：While elastic pipe sleeve is extruded, the tip of pricker enters in three-way pipe through batching pig, will adopt
Sheath outside blood needle guard is extracted, and blood taking needle is inserted in vacuum blood collection tube, the suction function of vacuum blood collection tube, blood worn long
Thorn flexible pipe, supervisor, pricker, blood taking needle are evacuated in vacuum blood collection tube；
(8) tube sealing：When blood in vacuum blood collection tube reaches aequum soon, blood taking needle is extracted into vacuum blood collection tube, and
Open sealing liquid folder and flow liquid into progress tube sealing in three-way pipe, sheath is enclosed on outside blood sampling needle guard；Bearing piece is not applied simultaneously
Active force, in the presence of elastic component is supported, elastic pipe sleeve is no longer compressed, and the air in air bag is flowed into cavity through breather pipe,
Blood collection assembly in the presence of elastic pipe sleeve away from three-way pipe, in the sophisticated retraction batching pig of pricker；
(9) take a blood sample again：Repeat to operate (6) (7) (8) step successively, completion is taken a blood sample again.
Blood sampling is with the beneficial effect of the application method of remaining needle：In this application method, by pricker when passing through blood sampling
During in the push-in three-way pipe of tip, the liquid in three-way pipe for sealing liquid is set to flow back to side pipe, and then reduce and adopted into vacuum
The liquid of blood vessel, so that blood test results are more accurate.This application method is only produced and once adopted in multiple blood collection procedure
The waste material of blood remaining needle, greatly reduce the wasting of resources, environmental protection.This application method need not puncture for patient,
Blood collection procedure will not cause serious discomfort, effectively protect the health of patient.This application method is come for medical personnel
Say, without repeatedly puncturing, operation is relatively simple, greatly reduces workload.
Further, in step (6), forefinger and middle finger are bonded with support plate close to the side of three-way pipe, and thumb is remote with bearing piece
Side from three-way pipe is bonded, and is exerted a force by thumb, forefinger and middle finger, thumb is realized close to forefinger and middle finger to bearing piece
Apply active force, make bearing piece close to three-way pipe.Make the operation of this method it is more simple, conveniently, it is laborsaving.
Brief description of the drawings
Fig. 1 is the structural representation before blood sampling remaining needle use of the present invention；
Fig. 2 is the structural representation after blood sampling retained needle puncture of the present invention；
Fig. 3 is the structure sectional view at figure C-C；
Fig. 4 is the enlarged drawing at A in Fig. 2；
Fig. 5 is the direction view of supervisor's rear side on B directions in Fig. 2；
Fig. 6 is the structural representation of blood collection assembly.
Embodiment
Below by embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Blood sampling needle stand 10, pole 101, limitation plug 102, blood taking needle 11, blood sampling
Needle guard 12, sheath 13, pricker 14, bearing piece 15, supervisor 20, batching pig 21, air bag 22, breather pipe 23, support plate 24, neck 241, circle
Shape groove 242, flap 25, puncture flexible pipe 30, valve 31, opening 311, pipe sleeve 32, side pipe 40, dip tube 41, sealing liquid folder 42, draw point
Frame 50, draw point 51, elastic pipe sleeve 60, cavity 61, bellows 62, telescoping tube 63, baffle plate 64, support elastic component 67.
As shown in Figure 1 and Figure 2, blood sampling remaining needle, including blood collection assembly, elastic pipe sleeve 60, air bag 22, three-way pipe and steel
The frame 50 of pin 51；Three-way pipe includes supervisor 20 and side pipe 40, and the front end for being responsible for 20 is communicated with puncture flexible pipe 30, punctures the overcoat of flexible pipe 30
Provided with pipe sleeve 32；Batching pig 21 is provided with the rear end of supervisor 20, side pipe 40 is connected with dip tube 41, and the outside of dip tube 41 is provided with envelope
Liquid folder 42.As shown in figure 3, puncturing the valve 31 for being provided with the left end of flexible pipe 30 and blocking and puncturing flexible pipe 30, valve 31, which is provided with, to be used for
Dredging punctures the opening 311 of flexible pipe 30 under stress；I.e. when the left and right sides of valve 31 has pressure differential, opening 311, which is opened, dredges
Logical to puncture flexible pipe 30, the closure of opening 311 punctures flexible pipes 30 and blocked during 31 left and right sides no pressure difference of valve.As shown in fig. 6, blood sampling
Component includes blood sampling needle stand 10, and the right side of blood sampling needle stand 10 is fixed with blood taking needle 11, and the left side of blood sampling needle stand 10 is fixed with pricker 14,
Blood taking needle 11 connects with pricker 14；Be equipped with outside blood taking needle 11 rubber system into sealing blood sampling needle guard 12, take a blood sample outside needle guard 12
Portion is cased with sheath 13, for protecting blood sampling needle guard 12 not contaminated.The frame 50 of draw point 51 is provided with draw point 51, and draw point 51 sequentially passes through
Elastic pipe sleeve 60, batching pig 21, the supervisor 20 of three-way pipe, puncture flexible pipe 30, opening 311.
As shown in figure 4, elastic pipe sleeve 60 includes bellows 62, baffle plate 64 and passed through for draw point 51 or pricker 14
Telescoping tube 63, wherein bellows 62 are made up of elastoplast.Telescoping tube 63 is located on the center line of bellows 62, the He of bellows 62
The left end of telescoping tube 63 is tightly connected with batching pig 21, and bellows 62 and the right-hand member of telescoping tube 63 are tightly connected with baffle plate 64.Baffle plate
64 are slidably connected with 20 rear ends of supervisor, elastic pipe sleeve 60 is slided being responsible in 20 rear ends, the inside of bellows 62 is sealing
Cavity 61.Support elastic component 67 is provided with bellows 62, support elastic component 67 takes support spring, support spring in the present embodiment
Diameter be less than the diameter of bellows 62, and be more than the diameter of telescoping tube 63, support spring is nested with bellows 62, and is located at cavity
In 61.Air bag 22 is two, and the side of air bag 22 is bonded fixation with the inwall of supervisor 20, and the inwall for being responsible for 20 has been embedded Lian Getong
The cavity 61 of tracheae 23, air bag 22 and bellows 62 is connected by breather pipe 23.It is be hinged to be responsible for 20 inwalls place relative with side pipe 40
Provided with flap 25, flap 25 is located in side pipe 40 away from be hinged one end, when flap 25 is mainly used in producing pressure in three-way pipe,
Alleviate the pressure punctured in flexible pipe 30.
As shown in figure 5, the rear end outer symmetrical of supervisor 20 is provided with two pieces of support plates 24, support plate 24 is provided with neck 241, neck
241 bottom is provided with circular trough 242, and the opening 311 of neck 241 first reduces to bottom width to be increased afterwards.Take a blood sample on needle stand 10
Provided with the pole 101 being slidably fastened with neck 241, the left end of pole 101 is spherical limitation plug 102, and limitation plug 102 can prevent
When pole 101 is slidably connected with circular trough 242, pole 101 slips out of circular trough 242.Blood collection assembly is removable by pole 101
That unloads is arranged on 20 rear ends of supervisor, and the slip by pole 101 in circular trough 242, realizes blood collection assembly with being responsible for 20
It can be horizontally slipped after the connection of rear end.Blood sampling needle stand 10 outside lower end is fixed with bearing piece 15, and bearing piece 15 is easy to use this blood sampling with staying
When putting pin, blood collection assembly is slided along supervisor 20.The frame 50 of draw point 51 is provided with vertical slot, and the outer wall of 20 rear ends of supervisor is provided with raised line,
The frame 50 of draw point 51 is connected together with 20 rear ends of supervisor by vertical slot and raised line；The frame 50 of draw point 51 is externally provided with handle, needle guard 12 of taking a blood sample
It is cased with sheath 13 outside.
The application method of above-mentioned blood sampling remaining needle, comprises the following steps：
(1) prepare：The blood vessel taken a blood sample to patient is selected, patient's blood sampling site is carried out disinfection, and in sterilization scope
Top ties tourniquet；By blood sampling remaining needle, adhesive plaster, vacuum blood collection tube, and apparatus needed for other blood samplings is ready to, and will be adopted
Pipe sleeve 32 on blood remaining needle removes；
(2) puncture：The handle portion of hand-held blood sampling remaining needle, takes off tight skin, and venous patient, steel are thrusted straightly using draw point 51
With the slow inserting needle of 25 ° of angle between pin 51 and skin, see that inserting needle 0.2cm, puncture flexible pipe 30 can enter with draw point 51 again after blood back
Enter in patient's blood vessel, complete the venipuncture to patient's blood vessel；
(3) draw point 51 is moved back：The hand-held frame 50 of draw point 51, draw point 51 is exited from patient's blood vessel, will be responsible for the raised line on 20
Vertical slot is skidded off, the frame 50 of draw point 51 is pulled down and abandoned from three-way pipe；
(4) fixed three-way pipe：Three-way pipe is fixed on patient body using adhesive plaster, removes tourniquet；Then from sealing liquid
The liquid of the end injection sealing liquid of pipe 41, liquid are full of three-way pipe；
(5) blood collection assembly is installed：Pricker 14 through telescoping tube 63 and is pierced into batching pig 21, by pole 101 through neck
241 are caught in circular trough 242；
(6) blood sampling prepares：Forefinger and middle finger are bonded with support plate 24 close to the side of three-way pipe, and thumb and bearing piece 15 are remote
The side fitting of three-way pipe, is exerted a force by thumb, forefinger and middle finger, thumb is realized close to forefinger and middle finger to bearing piece 15
Apply active force, make bearing piece 15 close to three-way pipe；Elastic pipe sleeve 60, which is extruded, makes the gas in its cavity 61 through the quilt of breather pipe 23
In the air bag 22 of three-way pipe, the increase of the volume of air bag 22 is extruded the liquid in three-way pipe for press-in；Baffle plate 64 will hinder
Front end of the gear liquid through supervisor 20 enters human body from flexible pipe 30 is punctured, and liquid can enter dip tube after being squeezed through side pipe 40
41, the dip tube 41 that now be will be close to using sealing liquid folder 42 at side pipe 40 is blocked, and prevents liquid from flowing；
(7) take a blood sample：While elastic pipe sleeve 60 is extruded, the tip of pricker 14 enters three-way pipe through batching pig 21
It is interior, the sheath 13 outside needle guard 12 of taking a blood sample is extracted, blood taking needle 11 is inserted in vacuum blood collection tube；It is true inside vacuum blood collection tube
Dummy status, vacuum blood taking needle 11, with being connected inside three-way pipe, will be born with by pricker 14 and blood taking needle 11 to being produced in three-way pipe
Pressure is acted on, and the opening 311 during suction function on valve 31 is opened, blood through puncturing flexible pipe 30, supervisor 20, pricker 14, blood sampling
Pin 11 is evacuated in vacuum blood collection tube；
(8) tube sealing：When blood in vacuum blood collection tube reaches aequum soon, blood taking needle 11 is extracted into vacuum blood collection tube,
And open sealing liquid folder 42 and flow liquid into progress tube sealing in three-way pipe, sheath 13 is enclosed on outside blood sampling needle guard 12, adopted with protection
Blood needle guard 12 is not contaminated；At the same time, active force, in the presence of elastic component 67 is supported, elastic tube are not applied to bearing piece 15
Set 60 is not recompressed, and the air in air bag 22 is flowed into cavity 61 through breather pipe 23, work of the blood collection assembly in elastic pipe sleeve 60
With lower remote three-way pipe, in the sophisticated retraction batching pig 21 of pricker 14；
(9) take a blood sample again：Repeat to operate (6) (7) (8) step successively, completion is taken a blood sample again.
This blood sampling, by the blood of the both sides of valve 31 and the pressure of liquid, opening 311 is closed, makes blood not with remaining needle
It will not flow to again in three-way pipe, avoiding blood from flowing into three-way pipe makes patient body uncomfortable.This blood sampling is with remaining needle for needing
Repeatedly blood sampling, particularly different periods need repeatedly to take a blood sample, for the patient for carrying out blood testing, it is only necessary to carry out a blood vessel and wear
Thorn, the pain of patient is significantly reduced, infection caused by blood sampling puncture process is also effectively prevented very much, so as to have
The physical condition of patient is diagnosed by blood test result beneficial to doctor, is also beneficial to the health of patient.Originally adopt
Blood remaining needle is for medical personnel, for needing clinical laboratory of the long-time to patient's blood sampling especially for hospital, one
Individual patient only needs one-time puncture, significantly reduces the workload of medical personnel.This blood sampling is with remaining needle after multiple blood sampling, it is only necessary to
A deuterzooid blood sampling remaining needle is abandoned, without abandoning other medical instruments, resource is significantly solved, also protects environment.Originally adopt
The use process of blood remaining needle, the very simple and convenient weak point overcome in existing blood collection procedure, improves and adopts comprehensively
The efficiency and security of blood.This blood sampling remaining needle, by using the slip of blood collection assembly, makes elastic pipe sleeve in blood collection procedure
Air flow between 60 and air bag 22, so as to realize that the liquid that will be full of in three-way pipe is extruded back in side pipe 40, so as to reduce
The liquid of sealing liquid is drawn into vacuum blood collection tube, avoids the liquid in vacuum blood collection tube from excessively influenceing blood testing.
This blood sampling process being pushed into the tip of pricker 14 when in the application method of remaining needle, passing through blood sampling in three-way pipe
In, the liquid in three-way pipe for sealing liquid is flowed back to side pipe 40, and then the liquid into vacuum blood collection tube is reduced, so that blood
Testing result is more accurate.This blood sampling will not be made with the application method of remaining needle for patient without puncture, blood collection procedure
Into serious discomfort, the health of patient is effectively protected.This application method is for medical personnel, without repeatedly wearing
Thorn, operation is relatively simple, greatly reduces workload.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete scheme and characteristic is not made herein in scheme
Excessive description.It should be pointed out that for those skilled in the art, on the premise of structures and methods of the present invention are not departed from,
Several modifications and improvements can also be made, these should also be considered as protection scope of the present invention, and these are of the invention all without influenceing
The effect and practical applicability of implementation.
Claims (10)
1. blood sampling remaining needle, including blood collection assembly, three-way pipe and draw point frame, the blood collection assembly includes blood sampling needle stand, blood sampling
Needle stand side is provided with blood taking needle, and blood taking needle set is equipped with outside blood taking needle；The three-way pipe includes supervisor and side pipe, the front end of supervisor
Puncture flexible pipe is communicated with, hose overcoat is punctured and is provided with pipe sleeve；Batching pig is provided with the rear end of supervisor, side pipe is connected with dip tube,
Sealing liquid is provided with outside dip tube to press from both sides；The draw point frame is provided with draw point, it is characterised in that the flexible pipe that punctures is away from one be responsible for
End is internal to be provided with the valve for blocking and puncturing flexible pipe, and the valve, which is provided with, is used for the opening that dredging under stress punctures flexible pipe, institute
State draw point and sequentially pass through batching pig, the supervisor of three-way pipe, puncture flexible pipe and opening；The side of the blood sampling needle stand away from blood taking needle
Provided with the pricker for inserting batching pig, blood taking needle connects with pricker, and the blood sampling needle stand is provided with the side of pricker with supervisor's
Slide and be detachably connected in rear end.
2. blood sampling remaining needle as claimed in claim 1, it is characterised in that also including the gentle capsule of elastic pipe sleeve, the elasticity
One end of pipe sleeve is fixedly connected with batching pig, and the other end is provided with baffle plate；Cavity is provided with inside the elastic pipe sleeve, supervisor's inwall is embedding
Provided with breather pipe, in supervisor, cavity is connected the air bag with air bag by breather pipe.
3. blood sampling remaining needle as claimed in claim 2, it is characterised in that the elastic pipe sleeve includes bellows and for steel
The telescoping tube that pin or pricker pass through, one end of the bellows and telescoping tube are connected with septum seals, and the telescoping tube is located at
On the center line of bellows, the described one end of bellows and telescoping tube away from batching pig is connected with guard seal.
4. blood sampling remaining needle as claimed in claim 3, it is characterised in that the bellows is made up of elastoplast, described
Baffle plate is slidably connected with supervisor rear end, and support elastic component is provided with the bellows.
5. the blood sampling remaining needle as described in claim any one of 1-4, it is characterised in that the rear end outer symmetrical of the supervisor
Provided with two pieces of support plates, the support plate is provided with neck, and the blood sampling needle stand is provided with the pole being slidably fastened with neck, described to adopt
Blood needle stand is provided with the bearing piece of blood collection assembly easy to remove.
6. blood sampling remaining needle as claimed in claim 5, it is characterised in that the one end of the pole away from blood sampling needle stand is provided with
Spherical limitation plug, the neck bottom are the circular trough being slidably connected with pole.
7. blood sampling remaining needle as claimed in claim 6, it is characterised in that supervisor's inwall is relative with side pipe to locate be hinged set
There is flap, the flap is located in side pipe away from be hinged one end.
8. blood sampling remaining needle as claimed in claim 7, it is characterised in that the draw point frame is provided with vertical slot, is responsible for rear end
Outer wall be provided with raised line, draw point frame is connected together with supervisor rear end by vertical slot and raised line；The draw point frame is externally provided with handle,
The blood sampling needle guard overcoat has sheath.
9. the application method of the blood sampling remaining needle described in a kind of claim 8, it is characterised in that comprise the following steps：
(1) prepare：Patient's blood sampling site is carried out disinfection, and tourniquet is tied above sterilization scope；By blood sampling remaining needle
On pipe sleeve remove；
(2) puncture：Hand-held draw point frame, takes off tight skin, and venipuncture is completed using draw point；
(3) draw point is moved back：Draw point is exited from patient's blood vessel, the raised line on supervisor is skidded off into vertical slot, draw point frame is from three-way pipe
Pull down and abandon；
(4) fixed three-way pipe：Three-way pipe is fixed on patient body using adhesive plaster, removes tourniquet；Then from dip tube
The liquid of sealing liquid is injected in end, and liquid is full of three-way pipe；
(5) blood collection assembly is installed：Pricker through telescoping tube and is pierced into batching pig, pole is caught in circular trough through neck；
(6) blood sampling prepares：It is made close to three-way pipe to bearing piece force, elastic pipe sleeve, which is extruded, makes the gas in its cavity through ventilation
Pipe is pressed into the air bag of three-way pipe, and the increase of air bag volume is extruded the liquid in three-way pipe；Baffle plate will stop
Front end of the liquid through supervisor enters human body from flexible pipe is punctured, and liquid can enter dip tube through side pipe after being squeezed, now use
The dip tube that sealing liquid folder will be close at side pipe is blocked, and prevents liquid from flowing；
(7) take a blood sample：While elastic pipe sleeve is extruded, the tip of pricker enters in three-way pipe through batching pig, by blood taking needle
Sheath outside set is extracted, and blood taking needle is inserted in vacuum blood collection tube, the suction function of vacuum blood collection tube, and blood is soft through puncturing
Pipe, supervisor, pricker, blood taking needle are evacuated in vacuum blood collection tube；
(8) tube sealing：When blood in vacuum blood collection tube reaches aequum soon, blood taking needle is extracted into vacuum blood collection tube, and open
Sealing liquid folder, which flows liquid into, carries out tube sealing in three-way pipe, sheath is enclosed on outside blood sampling needle guard；Bearing piece application is not acted on simultaneously
Power, in the presence of elastic component is supported, elastic pipe sleeve is no longer compressed, and the air in air bag is flowed into cavity through breather pipe, blood sampling
Component in the presence of elastic pipe sleeve away from three-way pipe, in the sophisticated retraction batching pig of pricker；
(9) take a blood sample again：Repeat to operate (6) (7) (8) step successively, completion is taken a blood sample again.
10. the application method of blood sampling remaining needle as claimed in claim 9, it is characterised in that in step (6), forefinger is with
Finger is bonded with support plate close to the side of three-way pipe, and thumb is bonded with side of the bearing piece away from three-way pipe, passes through thumb, forefinger
Exerted a force with middle finger, thumb is realized close to forefinger and middle finger and active force is applied to bearing piece, make bearing piece close to three-way pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035276.3A CN107802271B (en) | 2017-10-30 | 2017-10-30 | Indwelling needle for blood collection and method of use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035276.3A CN107802271B (en) | 2017-10-30 | 2017-10-30 | Indwelling needle for blood collection and method of use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107802271A true CN107802271A (en) | 2018-03-16 |
| CN107802271B CN107802271B (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711035276.3A Expired - Fee Related CN107802271B (en) | 2017-10-30 | 2017-10-30 | Indwelling needle for blood collection and method of use |
Country Status (1)
| Country | Link |
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| CN (1) | CN107802271B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108272460A (en) * | 2018-03-20 | 2018-07-13 | 中国人民解放军总医院 | Fingerstall for vacuum blood collection tube |
| CN109009162A (en) * | 2018-07-30 | 2018-12-18 | 佛山科学技术学院 | A kind of disposable safe blood taking needle |
| CN110585522A (en) * | 2019-10-22 | 2019-12-20 | 程基才 | Multifunctional indwelling needle with blood sample collection function |
| CN110954372A (en) * | 2020-01-03 | 2020-04-03 | 华中科技大学同济医学院附属协和医院 | Hemocyte analyzer is with device of drawing blood |
| CN113180658A (en) * | 2021-04-26 | 2021-07-30 | 山西医科大学 | Large animal percutaneous puncture femoral artery catheterization blood sampling device |
| CN114404730A (en) * | 2022-01-29 | 2022-04-29 | 新乡医学院第一附属医院 | Abdominocentesis catheter anti-seepage device |
| CN115486841A (en) * | 2022-09-08 | 2022-12-20 | 丹阳市金晟医用橡塑制品有限公司 | Rubber sheath for blood taking needle capable of improving puncture performance and production device thereof |
| CN117122318A (en) * | 2023-10-26 | 2023-11-28 | 中国人民解放军总医院第六医学中心 | Venous hemostix capable of preventing blood leakage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108272460A (en) * | 2018-03-20 | 2018-07-13 | 中国人民解放军总医院 | Fingerstall for vacuum blood collection tube |
| CN108272460B (en) * | 2018-03-20 | 2023-05-12 | 中国人民解放军总医院 | Finger stall for vacuum blood collection tube |
| CN109009162A (en) * | 2018-07-30 | 2018-12-18 | 佛山科学技术学院 | A kind of disposable safe blood taking needle |
| CN109009162B (en) * | 2018-07-30 | 2023-08-08 | 佛山科学技术学院 | Disposable safety blood taking needle |
| CN110585522A (en) * | 2019-10-22 | 2019-12-20 | 程基才 | Multifunctional indwelling needle with blood sample collection function |
| CN110954372A (en) * | 2020-01-03 | 2020-04-03 | 华中科技大学同济医学院附属协和医院 | Hemocyte analyzer is with device of drawing blood |
| CN113180658A (en) * | 2021-04-26 | 2021-07-30 | 山西医科大学 | Large animal percutaneous puncture femoral artery catheterization blood sampling device |
| CN113180658B (en) * | 2021-04-26 | 2022-07-01 | 山西医科大学 | Large animal percutaneous puncture femoral artery catheterization blood sampling device |
| CN114404730A (en) * | 2022-01-29 | 2022-04-29 | 新乡医学院第一附属医院 | Abdominocentesis catheter anti-seepage device |
| CN115486841A (en) * | 2022-09-08 | 2022-12-20 | 丹阳市金晟医用橡塑制品有限公司 | Rubber sheath for blood taking needle capable of improving puncture performance and production device thereof |
| CN117122318A (en) * | 2023-10-26 | 2023-11-28 | 中国人民解放军总医院第六医学中心 | Venous hemostix capable of preventing blood leakage |
| CN117122318B (en) * | 2023-10-26 | 2023-12-22 | 中国人民解放军总医院第六医学中心 | Venous hemostix capable of preventing blood leakage |
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| CN107802271B (en) | 2020-05-15 |
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