CN106510729A - Repeatedly blood-sampling indwelling needle and application method thereof - Google Patents
Repeatedly blood-sampling indwelling needle and application method thereof Download PDFInfo
- Publication number
- CN106510729A CN106510729A CN201610965355.3A CN201610965355A CN106510729A CN 106510729 A CN106510729 A CN 106510729A CN 201610965355 A CN201610965355 A CN 201610965355A CN 106510729 A CN106510729 A CN 106510729A
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- blood
- needle
- draw point
- sampling
- blood sampling
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Classifications
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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
-
- 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
- A61B5/150992—Blood sampling from a fluid line external to a patient, such as a catheter line, combined with an infusion line; blood sampling from indwelling needle sets, e.g. sealable ports, luer couplings, valves
-
- 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
Abstract
The invention belongs to the technical field of medical instruments and particularly discloses a repeatedly blood-sampling indwelling needle. The repeatedly blood-sampling indwelling needle comprises a three-way tube, a steel needle component, a blood-sampling component and a silicone rubber plug, wherein the silicone rubber plug is positioned inside the three-way tube and capable of sliding inside the three-way tube; the steel needle component comprises a steel needle seat, a steel needle and a steel needle holder, the steel needle is fixed on the steel needle seat, and the steel needle holder penetrates through the steel needle; the front end of a main tube body of the three-way tube is communicated with a piercing hose, and the back end of the main tube body of the three-way tube is detachably connected with the steel needle holder; the blood-sampling component comprises a blood-sampling needle seat, a blood-sampling needle is arranged at one end of the blood-sampling needle seat, a collecting tube is arranged at the other end of the blood-sampling needle seat, and a blood-sampling needle sleeve sleeves the blood-sampling needle; a side tube body of the three-way tube is communicated with the collecting tube, the back end of the main tube body is positioned at the silicone rubber plug position, and a vent hole is formed in the back end of the main tube body. The invention discloses an application method of the repeatedly blood-sampling indwelling needle. Compared with the prior art, the repeatedly blood-sampling indwelling needle has the advantages that pain of patients is alleviated greatly only through vascular puncturing once as for the patients requiring repeated blood sampling, so that blood-sampling efficiency and safety are improved comprehensively.
Description
Technical field
The invention belongs to technical field of medical instruments, more particularly to a kind of repeatedly blood sampling remaining needle.
Background technology
Under the conditions of modern medical service, doctor first has to take a blood sample patient before for diagnosing patient, and blood is carried out
The judgement of science is made in chemical examination, the symptom according to result of laboratory test and with reference to patient to which, it is ensured that the accuracy of diagnosis.Therefore, adopt
Blood is the requisite link that patient sees a doctor.Hospital's blood sampling, is all to use disposable blood taking needle under normal circumstances
Venipuncture is carried out to patient's blood vessel, just disposable blood taking needle is extracted after blood sampling discarded.
For the patient for only needing to do common physical examination or simple disease examination, checking process only needs to adopt one
Secondary blood, carries out venipuncture using disposable blood taking needle.Some complicated physical examinations or the inspection of major disease, inspection
Need repeatedly to be taken a blood sample in different time sections during looking into；When taking a blood sample every time, medical personnel need to use disposable blood taking needle pair
Patient carries out venipuncture.For medical personnel, for same patient repeatedly punctures, operation is relatively complicated, significantly
Increased the workload of medical personnel.For patients, it is required for every time puncturing human vas, sets up blood sampling logical
Road, not only can cause excessive damage to the blood vessel of patient, can also considerably increase the puncture pain of patient；And repeatedly puncture
Easily cause infection, to the healthy very unfavorable of patient；If generation is infected, it is also possible to which testing result is impacted.
The content of the invention
The purpose of the present invention providing a kind of repeatedly blood sampling remaining needle and using method, to solve to needing when one end
Between for the patient that taken a blood sample, blood sampling every time will carry out the problem of venipuncture using blood taking needle.
In order to achieve the above object, base case one of the invention is：Repeatedly blood sampling remaining needle, including blood collection assembly, institute
Stating blood collection assembly includes needle stand of taking a blood sample, and blood sampling needle stand one end is provided with blood taking needle, and the other end is provided with collection tube, the outer cover of blood taking needle
It is equipped with blood sampling needle guard；Also include three-way pipe, draw point component, and positioned at the inside of three-way pipe, and can be in the silicon of its internal slide
Plug；The draw point component includes draw point seat, the draw point for being fixed on draw point seat and for the draw point frame through draw point；The three-way pipe
Including supervisor and side pipe, the front end of supervisor is communicated with puncture flexible pipe, punctures hose overcoat and is provided with pipe box；It is provided with the rear end of supervisor
Batching pig, draw point frame are detachably connected with the rear end of supervisor；The side pipe is connected with collection tube, and the rear end of the supervisor is located at silicon
Passage is provided with plug.
The front end of above-mentioned described supervisor and the rear end of supervisor, expression be supervisor one end and supervisor the other end pass
System.
The operation principle of this base case one is：For needing repeatedly to carry out the patient of puncture blood collecting, take a blood sample for the first time
When can be using repeatedly blood sampling remaining needle.Specific operating process is to extract the pipe box for puncturing flexible pipe, patient is entered using draw point
Row vein is punctured, and is punctured flexible pipe and will be entered the intravenous of patient with draw point.After draw point venipuncture success, draw point is extracted,
Draw point component is removed and is abandoned, by this body that repeatedly blood sampling remaining needle other parts are fixed at patient's blood sampling.
During collection patient blood, to the supervisor rear end slip silica gel plug of three-way pipe, blood will by wear flexible pipe, three-way pipe,
Collection tube flows out, and when blood flow to blood taking needle position, blood taking needle is inserted in vacuum test tube.Blood in vacuum test tube
When reaching aequum soon, to the supervisor front end slip silica gel plug of three-way pipe, silica gel plug is blocked flexible pipe is punctured, and is at the same time ventilated
Hole is opened, and makes to stay in collection tube and smoothly can flow in vacuum test tube.
When after a period of time, needing to take a blood sample patient again, repeat above-mentioned blood sampling operation, without the need for carrying out again
Venipuncture.Blood sampling needle guard need not be taken during blood taking needle insertion vacuum test tube, the tip of blood taking needle is directly through blood sampling needle guard
Top be pierced into collection tube in can blood sampling.When vacuum test tube is pulled up, the tip of blood taking needle is retracted in blood sampling needle guard, blood sampling
Needle guard is sealed to the tip of blood taking needle, prevents blood taking needle from pricking patient or medical personnel, it is also possible to prevent blood taking needle quilt
Pollution.Silica gel plug is made using silica gel material, and silica gel has physiological inertia, will not make blood clotting with contacting blood.This is repeatedly
Blood sampling remaining needle when in use, punctures a flexible pipe part and is located at Ink vessel transfusing, outside another part blood vessel；Silica gel plug will be outside blood vessel
Puncture flexible pipe block, as this portions proximate patient body, temperature are consistent with patient temperature, make to be punctured in flexible pipe herein
Blood will not also solidify.
The beneficial effect of this base case one is：Compared with prior art, this remaining needle of repeatedly taking a blood sample is more for needing
Secondary blood sampling, for carrying out the patient of blood testing, it is only necessary to carry out a vascular puncture, significantly reduce the pain of patient,
Also it is very effective to prevent the infection that causes in blood sampling piercing process.For medical personnel, especially for the inspection of hospital
Section is tested, is required for daily multiple puncture blood collecting being carried out to patient, inherently have very big workload, this remaining needle of repeatedly taking a blood sample
The workload of medical personnel can be significantly reduced.And this remaining needle of repeatedly taking a blood sample carries out tube sealing using silica gel plug, will directly puncture
Hose is blocked, and is prevented when taking a blood sample, and blood stream can be avoided using tube sealing liquid sealing pipe in this repeatedly blood sampling remaining needle
Cause the inaccurate problem of blood testing；And when can ensure to take a blood sample using silica gel plug, residual in this multiple remaining needle
A small amount of blood will not solidify.This remaining needle of repeatedly taking a blood sample also greatly has saved resource simultaneously, needs the disease of repeatedly blood sampling in the past
People, same patient will using many set blood taking needles, and using after this repeatedly blood sampling remaining needle without using other blood taking needles.Entirely
Using the process also very simple and convenient weak point overcome in existing blood collection procedure of repeatedly blood sampling remaining needle, improve comprehensively
The efficiency and security of blood sampling.
Preferred version one：Based on scheme one it is preferred, be provided with the tube wall of supervisor and that silica gel plug is tightly connected be perpendicular
Groove, the silica gel plug are provided with projection, raised to be located in vertical slot.In slip silica gel plug, the projection in vertical slot can be directly stirred,
Silica gel plug can be made to slide in supervisor, it is simple to operate quick.
Preferred version two：Based on scheme one it is preferred, the length of the collection tube is between 5-15cm.Collection tube makes
This remaining needle of repeatedly taking a blood sample can not be fixed on patient body well, retain excessive blood when can also make blood sampling in collection tube
Liquid.Collection tube is too short when can cause blood sampling, and vacuum test tube is close to patient body is taken a blood sample, operation extremely inconvenience, collection tube
Length is more suitable within 5-15cm.
Preferred version three：Based on scheme one it is preferred, the collection tube, three-way pipe and puncture flexible pipe inwall be all provided with
There is anti-freezing coating.In blood collection procedure, blood will be entered and puncture flexible pipe, three-way pipe and collection tube, so as to blood can adhere to
On the inwall for puncturing flexible pipe, three-way pipe and puncture flexible pipe.Anti-freezing coating can anti-Hemostatic Oral Liquid puncturing flexible pipe, three-way pipe and puncture
The inwall solidification of flexible pipe, affects this remaining needle of repeatedly taking a blood sample to use.
Preferred version four：Based on scheme one it is preferred, the draw point frame is provided with handle, and the surface of handle is provided with anti-
Sliding burr.Handle can conveniently this repeatedly blood sampling remaining needle using when take, hold steel when carrying out venipuncture using draw point
Handle on punch block, is more convenient for exerting oneself draw point.Burr is very effective to prevent medical personnel staying using this multiple blood sampling
During putting pin, because the impact that rubber sleeve is caused.
Preferred version five：Preferably four it is preferred, the rear end of the supervisor is externally provided with raised line, on the draw point frame
It is provided with the groove engaged with raised line.Raised line and groove cause three-way pipe and draw point frame clamping, clamping to be more convenient for repeatedly adopting using this
During blood remaining needle, draw point seat is removed from three-way pipe, make this remaining needle of repeatedly taking a blood sample operate with process more convenient.Raised line
It is more simple relative to other interface arrangments with the structure of groove, it is more convenient the production and manufacture of this remaining needle of repeatedly taking a blood sample.
Preferred version six：Preferably five it is preferred, the blood collection assembly also includes sheath, and the sheath is placed on
Blood sampling needle guard it is outer and with blood sampling needle stand clamping.Sheath is removed when blood sampling is needed, it is not necessary to sheath is enclosed within into blood sampling when taking a blood sample
Outside needle guard, prevent take a blood sample needle guard be contaminated, be also prevented from blood taking needle puncture blood sampling needle guard prick patient or medical personnel.
It is a further object to provide the using method of above-mentioned multiple blood sampling remaining needle.
Base case two：Based on the multiple using method of blood sampling remaining needle in scheme two, stayed using the multiple blood sampling
Put pin to comprise the following steps：
（1）Preparation process：Patient's blood sampling site is selected to carry out disinfection, and tourniquet is tied above sterilization scope；Will be multiple
Pipe box on blood sampling remaining needle is removed, and loosens draw point；
（2）Piercing step：Handle portion is held, tight skin is taken off, vein is thrusted straightly, with draw point and the angle of 15 ° -30 ° of patient skin
Slow inserting needle, is shown in after blood back inserting needle 0.2cm again；
（3）Move back draw point step：Draw point is exited from patient's blood vessel by one hand-held draw point frame, a hand-held draw point seat, by draw point frame from
Pull down on three-way pipe, and draw point component is abandoned；
（4）Fixing step：Three-way pipe and blood collection assembly are fixed on into patient site of puncture using adhesive plaster, and remove tourniquet；
（5）Blood sampling step：Silica gel plug is slided to the supervisor rear end of three-way pipe, the sheath outside blood sampling needle guard is decorporated；Treat blood
When flowing at blood taking needle, blood taking needle insertion vacuum test tube is taken a blood sample；
（6）Lock procedure：When blood in the vacuum test tube reaches aequum soon, by supervisor front end from silica gel plug to three-way pipe
Slide, in pipe to be collected, vacuum test tube is pulled up after all flowing into vacuum test tube by blood；After vacuum test tube is pulled up, will
Sheath is enclosed within outside blood sampling needle guard；
（7）Take a blood sample again step：Repeat blood sampling step and lock procedure.
The beneficial effect of base case two is：In this using method, the silica gel plug in three-way pipe is to three-way pipe
When supervisor slides rear end, puncture flexible pipe, three-way pipe, collection tube, blood taking needle and be sequentially communicated, blood is from wherein flowing out；By silica gel plug
When sliding to the supervisor front end of three-way pipe, silica gel plug will directly puncture flexible pipe blocking, and blood will not be flowed out from hose is punctured.
When supervisor front end of the silica gel plug near three-way pipe, passage is opened, and due to the effect of passage, the blood in collection tube will
Can this device is flowed out from blood taking needle, can anti-Hemostatic Oral Liquid accumulate in collection tube.It is anti-using sealing liquid liquid on common remaining needle
Hemostatic Oral Liquid flows out, if this repeatedly blood sampling remaining needle also using sealing liquid liquid preventing blood from flowing out, sealing liquid liquid more or less can
Flow out in vacuum test tube with blood, the blood in vacuum test tube is so that it is determined that patient's patient's condition, sealing liquid liquid for inspection
Cognition badly influences the detection of blood., when patient needs blood drawing at set intervals, slip silica gel plug will for this using method
Blood taking needle inserts vacuum test tube, and whole process is convenient and swift, and will not be painful to patient is brought.Silica gel plug adopts silica gel
Material is made, and silica gel has physiological inertia, will not make blood clotting with contacting blood.This repeatedly takes a blood sample remaining needle when in use,
Puncture a flexible pipe part and be located at Ink vessel transfusing, outside another part blood vessel；Silica gel plug will be blocked positioned at EV puncture flexible pipe, due to
This portions proximate patient body, temperature are consistent with patient temperature, the blood for being punctured in flexible pipe herein is not also solidified.
Preferred version seven：Based on scheme two it is preferred, in piercing step, entered in 25 ° of angle with draw point and skin
Pin.Blood vessel is penetrated using draw point is, needs draw point and vessel as far as possible, but the needle angle of draw point is too small so that draw point is worn
Thorn such as blood vessel is very laborious, and the unconsummate medical personnel of gimmick are even difficult bundle and enter, and are verified according to practical operation, needle angle
It is more suitable for 25 °.
Preferred version eight：Based on scheme two or preferred version seven it is preferred, in lock procedure, pull out in vacuum test tube
After lower, sheath is enclosed within outside blood sampling needle guard.Sheath is enclosed within outside blood sampling needle guard when need not take a blood sample, needle guard of taking a blood sample can be prevented
It is contaminated, can also prevent blood taking needle from puncturing blood sampling needle guard and prick patient or medical personnel.
Description of the drawings
Fig. 1 is the structural representation of repeatedly blood sampling remaining needle embodiment of the invention；
Fig. 2 is the structural representation of blood collection assembly in Fig. 1；
Fig. 3 is the structural representation of silica gel plug in Fig. 1；
Fig. 4 is view when repeatedly blood sampling remaining needle blood sampling of the invention starts；
Fig. 5 is the view at the end of repeatedly blood sampling remaining needle of the invention is taken a blood sample.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Three-way pipe 10, puncture flexible pipe 11, pipe box 111, batching pig 12, passage 13,
Raised line 14, vertical slot 15, draw point frame 21, groove 211, draw point seat 22, handle 221, burr 222, draw point 23, blood sampling needle stand 31, adopt
Blood pin 32, blood sampling needle guard 321, sheath 322, collection tube 33, silica gel plug 40, projection 41, vacuum test tube 50, blood 60.
As shown in figure 1, remaining needle of repeatedly taking a blood sample, including three-way pipe 10, draw point component, blood collection assembly and silica gel plug 40.Three
Siphunculus 10 is by the angle of the rearward end and side pipe of supervisor is acute angle.The supervisor front end of three-way pipe 10 is communicated with puncture flexible pipe 11, wears
The outside of thorn flexible pipe 11 is cased with pipe box 111, the supervisor front end clamping of pipe box 111 and three-way pipe 10；The supervisor rear end of three-way pipe 10
Inside is provided with batching pig 12, and silica gel plug 40 is located in the supervisor of three-way pipe 10, and can slide in the supervisor of three-way pipe.Threeway
The vertical slot 15 being tightly connected with silica gel plug 40 is provided with supervisor's tube wall of pipe 10.As shown in figure 3, being provided with projection on silica gel plug 40
41, raised 41 are located in vertical slot 15, can be used for control silica gel plug 40 and slide in the supervisor of three-way pipe 10.In order to adjust during blood sampling
Pressure in three-way pipe 10, is provided with passage 13 on the supervisor rear end tube wall of three-way pipe 10, passage 13 is located at 12 He of batching pig
Between vertical slot 15.For the ease of using its inner case, 10 He of three-way pipe can be can be visually seen during this repeatedly blood sampling remaining needle
It is transparent to puncture flexible pipe 11.
23 component of draw point includes draw point seat 22, draw point frame 21 and draw point 23, and draw point 23 is fixed in draw point seat 22, draw point frame
21 are fitted through draw point 23 with draw point seat 22；Handle 221 to draw point 23 firmly when being convenient to puncture is installed in draw point seat 22,
Anti-skidding burr 222 is provided with handle 221 at holding, handle 221 and draw point seat 22 are integrally formed manufacture.The master of three-way pipe 10
Raised line 14 is provided with outside pipe rear end, the groove 211 engaged with raised line 14, three-way pipe 10 and draw point frame on draw point frame 21, is provided with
21 by raised line 14 and 211 clamping of groove.This repeatedly a blood sampling remaining needle using front, draw point 23 sequentially pass through draw point frame 21, every
From the plug 12, supervisor of three-way pipe 10, flexible pipe 11 is punctured, the needle point of draw point 23 passes the top for puncturing flexible pipe 11.
As shown in Fig. 2 blood collection assembly includes take a blood sample needle stand 31, blood taking needle 32 and collection tube 33,33 one end of collection tube and three
The side pipe sealing connection of siphunculus 10, the other end of collection tube 33 are connected with the blood sampling sealing of needle stand 31；According to blood sampling when needs and
It is easy to operate in order to take a blood sample, the length of collection tube 33 is set as into 10cm；Blood taking needle 32, blood taking needle are secured on blood sampling needle stand 31
32nd, it is sequentially communicated inside blood sampling needle stand 31, collection tube 33.The outside of blood taking needle 32 be equipped with rubber system into sealing blood taking needle
Set 321, has also been nested with the sheath 322 of cylinder, sheath 322 and blood sampling 31 clamping of needle stand outside needle guard 321 of taking a blood sample.In order to prevent
Using this repeatedly blood sampling remaining needle when, blood 60 is solidified in this repeatedly blood sampling remaining needle, by collection tube 33, three-way pipe 10 and is worn
The inwall of thorn flexible pipe 11 coats anti-freezing coating.
Using it is above-mentioned it is multiple blood sampling remaining needle the step of be：
（1）Preparation process：The blood vessel taken a blood sample to patient by selection, carries out disinfection to patient's blood sampling site, and in sterilization scope
Top ties tourniquet.Repeatedly blood sampling remaining needle, adhesive plaster, vacuum test tube 50 and other apparatus needed for blood sampling are ready to.
Pipe box 111 on repeatedly blood sampling remaining needle is removed vertically upward, and left-right looseness draw point 23.
（2）Piercing step：221 part of handle of blood sampling remaining needle is held, tight patient skin is taken off, is thrusted straightly with draw point 23 quiet
Arteries and veins, with the slow inserting needle of 25 ° of angle between draw point 23 and skin, is shown in after blood back inserting needle 0.2cm again, and puncturing flexible pipe 11 can be with draw point
23 enter in patient's blood vessel.
（3）Move back draw point step：Draw point 23 is moved back from patient's blood vessel by one hand-held draw point frame 21, another hand-held draw point seat 22
Go out, the groove 211 of draw point frame 21 is extracted from the raised line 14 of three-way pipe 10, draw point frame 21 is pulled down from three-way pipe 10, and
Draw point component is abandoned.
（4）Fixing step：Three-way pipe 10 and blood collection assembly are fixed on the body of patient site of puncture using adhesive plaster, and
Remove tourniquet.
（5）Blood sampling step：Silica gel plug 40 is slided to the supervisor rear end of three-way pipe 10 by raised 41, as shown in figure 4, making
Puncture flexible pipe 11, three-way pipe 10, collection tube 33 to connect with blood taking needle 32, the puncture flexible pipe 11, three-way pipe that blood 60 will be connected
10 and collection tube 33 in flow out.Sheath 322 outside blood sampling needle guard 321 is taken off, when blood 60 is flow at blood taking needle 32, will be adopted
The insertion vacuum test tube 50 of blood pin 32 is taken a blood sample, and can prevent air from entering vacuum test tube 50.By puncturing flexible pipe 11, threeway
Pipe 10 and blood collection assembly flow into vacuum test tube 50.
（6）Lock procedure：When blood 60 in the vacuum test tube 50 reaches aequum soon, raised 41 are stirred by silica gel plug
40 slide to the supervisor front end of three-way pipe 10.As shown in figure 5, silica gel plug 40 is blocked flexible pipe 11 is punctured, blood 60 is made no longer to flow
Go out, while being opened at passage 13, air enters three-way pipe 10 by passage 13.Three-way pipe 10 is connected with collection tube 33,
So that air enters collection tube 33, then in collection tube 33, blood 60 all can be flowed in vacuum test tube 50, in pipe to be collected 33
Without vacuum test tube 50 being pulled up after blood 60.After vacuum test tube 50 is pulled up, sheath 322 is enclosed within into blood sampling needle guard 321
Outside, can prevent blood sampling needle guard 321 to be contaminated, and can also prevent blood taking needle 32 from puncturing blood sampling needle guard 321 and prick patient or medical care
Personnel.
（7）Blood sampling step is repeated when taking a blood sample again and lock procedure is taken a blood sample.
When using this repeatedly blood sampling remaining needle, during the insertion vacuum test tube 50 of blood taking needle 32, blood sampling needle guard need not be taken
321, the tip of blood taking needle 32 is taken a blood sample by directly puncturing in the top piercing collection tube 33 of blood sampling needle guard 321.By vacuum blood collection
When pipe 50 is pulled up, the tip of blood taking needle 32 is retracted in blood sampling needle guard 321；Blood sampling needle guard 321 may be used also after being punctured for quality of rubber materials
Recover original shape, blood sampling needle guard 321 is sealed to the tip of blood taking needle 32, prevents blood taking needle 32 from pricking patient or medical care
Personnel, it is also possible to prevent blood taking needle 32 to be contaminated.It is to be flowed out using the anti-Hemostatic Oral Liquid of sealing liquid liquid 60 on common remaining needle, if this is more
Secondary blood sampling remaining needle prevents blood 60 from flowing out using sealing liquid liquid, and sealing liquid liquid more or less can flow out vacuum with blood 60 to be adopted
In blood vessel 50, the blood 60 in vacuum test tube 50 is so that it is determined that patient's patient's condition, sealing liquid liquid can serious shadow for inspection
Ring the detection to blood 60.This using method patient need at set intervals blood drawing when, slip silica gel plug 40, by blood taking needle
32 insertion vacuum test tubes 50, whole process is convenient and swift, and will not be painful to patient is brought.Silica gel plug 40 adopts silica gel
Material is made, and silica gel has physiological inertia, and contacting with blood 60 solidifies will not blood 60.This remaining needle of repeatedly taking a blood sample is being used
When, puncture 11 part of flexible pipe and be located at Ink vessel transfusing, outside another part blood vessel；The inside for puncturing flexible pipe 11 is blocked by silica gel plug 40,
Although blocking portion is located at extravascular, this portions proximate patient body, temperature are consistent with patient temperature, can be made herein
The blood 60 punctured in flexible pipe 11 does not solidify.
Above-described is only embodiments of the invention, and in scheme, known concrete structure and concrete grammar and characteristic etc. are normal
Know here and do not make excessive description.It should be pointed out that for a person skilled in the art, without departing from present configuration and method
On the premise of, some deformations and improvement can also be made, these should also be considered as protection scope of the present invention, and these are all without shadow
Ring effect and practical applicability that the present invention is implemented.This application claims protection domain with the content of its claim should be
Standard, the specific embodiment in specification etc. record the content that can be used for explaining claim.
Claims (10)
1. many blood sampling remaining needles, including blood collection assembly, the blood collection assembly include needle stand of taking a blood sample, and blood sampling needle stand one end is provided with adopts
Blood pin, the other end are provided with collection tube, and the outside of blood taking needle is equipped with blood taking needle set, it is characterised in that also including three-way pipe, draw point
Component, and positioned at the inside of three-way pipe, and can be in the silica gel plug of its internal slide；The draw point component includes draw point seat, consolidates
Due to the draw point of draw point seat and for the draw point frame through draw point；The three-way pipe includes supervisor and side pipe, the front end connection of supervisor
There is puncture flexible pipe, puncture hose overcoat and be provided with pipe box；Batching pig is provided with the rear end of supervisor, draw point frame is removable with the rear end of supervisor
Unload connection；The side pipe is connected with collection tube, and the rear end of the supervisor is located at silica gel plug and is provided with passage.
2. repeatedly blood sampling remaining needle as claimed in claim 1, it is characterised in that be provided with the tube wall of supervisor and silica gel plug sealing
The vertical slot of connection, the silica gel plug are provided with projection, raised to be located in vertical slot.
3. repeatedly blood sampling remaining needle as claimed in claim 1, it is characterised in that the length of the collection tube 5-15cm it
Between.
4. repeatedly blood sampling remaining needle as claimed in claim 1, it is characterised in that the collection tube, three-way pipe and puncture flexible pipe
Inwall be equipped with anti-freezing coating.
5. repeatedly blood sampling remaining needle as claimed in claim 1, it is characterised in that the draw point seat is provided with handle, handle
Surface is provided with anti-skidding burr.
6. repeatedly blood sampling remaining needle as claimed in claim 5, it is characterised in that the rear end of the supervisor is externally provided with raised line, institute
State draw point frame and be provided with the groove engaged with raised line.
7. repeatedly blood sampling remaining needle as claimed in claim 6, it is characterised in that the blood collection assembly also includes sheath, described
Sheath be placed on blood sampling needle guard it is outer and with blood sampling needle stand clamping.
8. a kind of using method of repeatedly blood sampling remaining needle as claimed in claim 1, it is characterised in that comprise the following steps：
（1）Preparation process：Patient's blood sampling site is carried out disinfection, and tourniquet is tied above sterilization scope；Repeatedly will take a blood sample
Pipe box on remaining needle is removed, and loosens draw point；
（2）Piercing step：Handle portion is held, tight skin is taken off, vein is thrusted straightly, with draw point and the angle of 15 ° -30 ° of patient skin
Slow inserting needle, is shown in after blood back inserting needle 0.2cm again；
（3）Move back draw point step：Draw point is exited from patient's blood vessel by one hand-held draw point frame, a hand-held draw point seat, by draw point frame from
Pull down on three-way pipe, and draw point component is abandoned；
（4）Fixing step：Three-way pipe and blood collection assembly are fixed on into patient site of puncture using adhesive plaster, and remove tourniquet；
（5）Blood sampling step：Silica gel plug is slided to the supervisor rear end of three-way pipe, the sheath outside blood sampling needle guard is decorporated；Treat blood
When flowing at blood taking needle, blood taking needle insertion vacuum test tube is taken a blood sample；
（6）Lock procedure：When blood in the vacuum test tube reaches aequum soon, by supervisor front end from silica gel plug to three-way pipe
Slide, in pipe to be collected, vacuum test tube is pulled up after all flowing into vacuum test tube by blood；
（7）Take a blood sample again step：Repeat blood sampling step and lock procedure.
9. the using method of repeatedly blood sampling remaining needle as claimed in claim 8, it is characterised in that in piercing step, with draw point
With skin in 25 ° of angle inserting needle.
10. the as claimed in claim 8 or 9 repeatedly using method of blood sampling remaining needle, it is characterised in that in lock procedure,
After vacuum test tube is pulled up, sheath is enclosed within outside blood sampling needle guard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610965355.3A CN106510729B (en) | 2016-10-31 | 2016-10-31 | Repeatedly blood sampling remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610965355.3A CN106510729B (en) | 2016-10-31 | 2016-10-31 | Repeatedly blood sampling remaining needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106510729A true CN106510729A (en) | 2017-03-22 |
| CN106510729B CN106510729B (en) | 2019-05-17 |
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| CN201610965355.3A Expired - Fee Related CN106510729B (en) | 2016-10-31 | 2016-10-31 | Repeatedly blood sampling remaining needle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802271A (en) * | 2017-10-30 | 2018-03-16 | 中国人民解放军第三军医大学第附属医院 | Blood sampling remaining needle and application method |
| CN109223000A (en) * | 2018-11-14 | 2019-01-18 | 威海永欣医疗科技有限公司 | The antipollution visual elbow blood taking needle of one kind and production method |
| CN109567826A (en) * | 2019-01-30 | 2019-04-05 | 天津哈娜好医材有限公司 | Exempt to puncture vacuum blood collection tube and its application method |
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| CN201602777U (en) * | 2010-01-11 | 2010-10-13 | 吴林元 | Valve type spacer for remaining needle |
| CN102068730A (en) * | 2011-01-26 | 2011-05-25 | 天津市百利康泰生物技术有限公司 | Hirudin anticoagulation seal tube kit for vein detained needle |
| CN104162202A (en) * | 2014-06-10 | 2014-11-26 | 丁培琪 | Reverse-flowing-prevention venous indwelling needle |
| CN204121524U (en) * | 2014-06-10 | 2015-01-28 | 丁培琪 | anti-reflux venous indwelling needle |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5528923A (en) * | 1992-12-21 | 1996-06-25 | Ledez; Kenneth M. | Gas amount and solubility investigation apparatus |
| CN201602777U (en) * | 2010-01-11 | 2010-10-13 | 吴林元 | Valve type spacer for remaining needle |
| CN102068730A (en) * | 2011-01-26 | 2011-05-25 | 天津市百利康泰生物技术有限公司 | Hirudin anticoagulation seal tube kit for vein detained needle |
| CN104162202A (en) * | 2014-06-10 | 2014-11-26 | 丁培琪 | Reverse-flowing-prevention venous indwelling needle |
| CN204121524U (en) * | 2014-06-10 | 2015-01-28 | 丁培琪 | anti-reflux venous indwelling needle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802271A (en) * | 2017-10-30 | 2018-03-16 | 中国人民解放军第三军医大学第附属医院 | Blood sampling remaining needle and application method |
| CN107802271B (en) * | 2017-10-30 | 2020-05-15 | 中国人民解放军第三军医大学第一附属医院 | Indwelling needle for blood collection and method of use |
| CN109223000A (en) * | 2018-11-14 | 2019-01-18 | 威海永欣医疗科技有限公司 | The antipollution visual elbow blood taking needle of one kind and production method |
| CN109567826A (en) * | 2019-01-30 | 2019-04-05 | 天津哈娜好医材有限公司 | Exempt to puncture vacuum blood collection tube and its application method |
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| Publication number | Publication date |
|---|---|
| CN106510729B (en) | 2019-05-17 |
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