CN106510729B - Repeatedly blood sampling remaining needle - Google Patents
Repeatedly blood sampling remaining needle Download PDFInfo
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- CN106510729B CN106510729B CN201610965355.3A CN201610965355A CN106510729B CN 106510729 B CN106510729 B CN 106510729B CN 201610965355 A CN201610965355 A CN 201610965355A CN 106510729 B CN106510729 B CN 106510729B
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- 238000010241 blood sampling Methods 0.000 title claims description 86
- 239000008280 blood Substances 0.000 claims abstract description 190
- 210000004369 blood Anatomy 0.000 claims abstract description 190
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 229920001296 polysiloxane Polymers 0.000 claims abstract 7
- 238000007789 sealing Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 3
- 230000010100 anticoagulation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 25
- 210000004204 blood vessel Anatomy 0.000 abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 39
- 239000000741 silica gel Substances 0.000 description 39
- 229910002027 silica gel Inorganic materials 0.000 description 39
- 239000007788 liquid Substances 0.000 description 22
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000001194 anti-hemostatic effect Effects 0.000 description 3
- 239000003146 anticoagulant agent Substances 0.000 description 3
- 229940127219 anticoagulant drug Drugs 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 230000023555 blood coagulation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
-
- 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 or 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
本发明申请属于医疗器械技术领域，具体公开了一种多次采血留置针，包括三通管、钢针组件、采血组件，以及位于三通管的内部并可在其内部滑动的硅胶塞，钢针组件包括钢针座、固定于钢针座的钢针和穿过钢针的钢针架；三通管的主管前端连通有穿刺软管，钢针架与三通管的主管后端可拆卸连接。采血组件包括采血针座，采血针座一端设有采血针，另一端设有的采集管，采血针的外部套置有采血针套；所述三通管的侧管与采集管连通，所述三通管的主管后端位于硅胶塞处设有通气孔。本发明公开了上述留置针的使用方法。与现有技术相比，本多次采血留置针对于需要多次采血的病人而言，仅需一次血管穿刺大大减轻了病人的痛苦，全面提高了采血的效率性和安全性。
The application of the present invention belongs to the technical field of medical devices, and specifically discloses a multiple-time blood collection indwelling needle, which includes a three-way tube, a steel needle assembly, a blood collection assembly, and a silicone plug located inside the three-way tube and slidable inside. The needle assembly includes a steel needle seat, a steel needle fixed on the steel needle seat, and a steel needle holder passing through the steel needle; the front end of the main pipe of the tee tube is connected with a puncture hose, and the steel needle holder and the main pipe rear end of the tee pipe are detachable connect. The blood collection assembly includes a blood collection needle seat, one end of the blood collection needle seat is provided with a blood collection needle, and the other end is provided with a collection tube, and a blood collection needle cover is sleeved on the outside of the blood collection needle; the side tube of the three-way tube is communicated with the collection tube, and the The rear end of the main pipe of the three-way pipe is provided with a vent hole at the silicone plug. The invention discloses a method of using the above-mentioned indwelling needle. Compared with the prior art, the multiple blood collection indwelling is aimed at patients who need multiple blood collection, only one blood vessel puncture greatly reduces the pain of the patient, and comprehensively improves the efficiency and safety of blood collection.
Description
Technical field
The invention belongs to the field of medical instrument technology, more particularly to a kind of repeatedly blood sampling remaining needle.
Background technique
Under the conditions of modern medical service, doctor first has to that blood was collected to patient before for diagnosing patient, and carries out to blood
Chemical examination according to result of laboratory test and combines the symptom of patient to make the judgement of science to it, it is ensured that the accuracy of diagnosis.Therefore, it adopts
Blood is the essential link that patient sees a doctor.Hospital takes a blood sample under normal conditions, is all using disposable blood taking needle
Venipuncture is carried out to patient's blood vessel, is just extracted disposable blood taking needle 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.The physical examination of some complexity or the inspection of major disease, inspection
It needs repeatedly to be taken a blood sample in different time sections during looking into；Every time when blood sampling, medical staff need to use disposable blood taking needle pair
Patient carries out venipuncture.For medical staff, same patient is repeatedly punctured, operation is relatively complicated, significantly
Increase the workload of medical staff.For patients, it requires to puncture human vas every time, it is logical to establish blood sampling
Road not only will cause excessive damage to the blood vessel of patient, can also considerably increase the puncture pain of patient；And it repeatedly punctures
Infection is easily caused, it is very unfavorable to the health of patient；If infecting, it is also possible to be impacted to testing result.
Summary of the invention
The purpose of the present invention is providing a kind of repeatedly blood sampling remaining needle and application method, to solve to needs when one end
Between for the patient that blood was collected, the problem of blood sampling will use blood taking needle to carry out venipuncture every time.
In order to achieve the above object, base case one of the invention are as follows: remaining needle of repeatedly taking a blood sample, including blood collection assembly, institute
Stating blood collection assembly includes blood sampling needle stand, and blood sampling needle stand one end is equipped with blood taking needle, and the other end is equipped with collection tube, the outer cover of blood taking needle
It is equipped with blood sampling needle guard；It further include tee tube, steel needle component, and positioned at the inside of tee tube, and the silicon that can be slided inside it
Rubber plug；The steel needle component includes the steel needle frame of draw point seat, the steel needle for being fixed on draw point seat and confession across steel needle；The tee tube
Including supervisor and side pipe, the front end of supervisor is communicated with puncture hose, punctures hose overcoat and is equipped with pipe sleeve；It is equipped in the rear end of supervisor
The rear end of batching pig, steel needle frame and supervisor are detachably connected；The side pipe is connected to collection tube, and the rear end of the supervisor is located at silicon
Venthole is equipped at rubber 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 working principle of this base case one is: the patient for needing repeatedly to carry out puncture blood collecting takes a blood sample for the first time
When can be used repeatedly blood sampling remaining needle.Specific operating process is to extract the pipe sleeve for puncturing hose, using steel needle to patient into
Row vein punctures, and the intravenous of patient will be entered with steel needle by puncturing hose.After steel needle venipuncture success, steel needle is extracted,
Steel needle component is removed and is abandoned, repeatedly blood sampling remaining needle other parts are fixed on the body at patient's blood sampling by this.
Acquire patient blood when, to the supervisor rear end of tee tube slide silica gel plug, blood will by wear hose, tee tube,
Blood taking needle is inserted into vacuum blood collection tube by collection tube outflow when blood flow to blood taking needle position.Blood in vacuum blood collection tube
When reaching aequum fastly, silica gel plug is slided to the supervisor front end of tee tube, silica gel plug is blocked hose is punctured, ventilated at the same time
Hole is opened, and making to stay in collection tube smoothly to flow into vacuum blood collection tube.
After a period of time, when needing to take a blood sample to patient again, repeat above-mentioned blood sampling operation, without carrying out again
Venipuncture.Without taking blood sampling needle guard when blood taking needle is inserted into vacuum blood collection tube, the tip of blood taking needle is directly through blood sampling needle guard
Top be pierced into collection tube in can take 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 sampling
Needle guard is sealed the tip of blood taking needle, prevents blood taking needle from pricking patient or medical staff, is also possible to prevent blood taking needle quilt
Pollution.Silica gel plug is made of silica gel material, and silica gel has physiological inertia, will not make blood clotting with contacting blood.This is repeatedly
Take a blood sample remaining needle when in use, puncture hose a part be located at it is intravascular, outside another part blood vessel；Silica gel plug will be located at outside blood vessel
Puncture hose block, due to this portions proximate patient body, temperature is consistent with patient temperature, makes to puncture in hose herein
Blood will not solidify.
The beneficial effect of this base case one is: compared with prior art, repeatedly blood sampling remaining needle is more for needing for this
Secondary blood sampling, for the patient for carrying out blood testing, it is only necessary to a vascular puncture is carried out, the pain of patient is significantly reduced,
Also infection caused by blood sampling puncture process is effectively prevented very much.For medical staff, especially for the inspection of hospital
Section is tested, requires to carry out multiple puncture blood collecting to patient daily, itself has very big workload, this remaining needle of repeatedly taking a blood sample
The workload of medical staff can be significantly reduced.And this remaining needle of repeatedly taking a blood sample carries out tube sealing using silica gel plug, it directly will puncture
Hose blocking is prevented when not needing blood sampling, and blood flows to this and repeatedly takes a blood sample in remaining needle, can avoid using tube sealing liquid sealing pipe
Cause the problem of blood testing inaccuracy；It is remaining in this multiple remaining needle and when not needing blood sampling using silica gel plug is certifiable
A small amount of blood will not solidify.This remaining needle of repeatedly taking a blood sample also greatly has saved resource simultaneously, the disease for needing repeatedly to take a blood sample in the past
People, same patient will will use covers blood taking needles more, and without using other blood taking needles after remaining needle of repeatedly being taken a blood sample using this.Entirely
Using the process also very simple and convenient shortcoming overcome in existing blood collection procedure of multiple blood sampling remaining needle, improve comprehensively
The efficiency of blood sampling and safety.
Preferred embodiment one: it as the preferred of basic scheme one, be provided on the tube wall of supervisor and erected with what silica gel plug was tightly connected
Slot, the silica gel plug are equipped with protrusion, and protrusion is located in vertical slot.When sliding silica gel plug, the protrusion in vertical slot can be directly stirred,
It can make silica gel plug sliding in supervisor, it is easy to operate quick.
Preferred embodiment two: as the preferred of basic scheme one, the length of the collection tube is between 5-15cm.Collection tube makes
Repeatedly blood sampling remaining needle cannot be fixed on patient body well for this, can also make to retain excessive blood in collection tube when blood sampling
Liquid.Collection tube is too short when will lead to blood sampling, and vacuum blood collection tube is close to patient body that blood was collected, and operation is extremely inconvenient, collection tube
Length is more appropriate within 5-15cm.
Preferred embodiment three: as the preferred of basic scheme one, the inner wall of the collection tube, tee tube and puncture hose is all provided with
There is anticoagulant coating.In blood collection procedure, blood, which will enter, punctures hose, tee tube and collection tube, so that blood can adhere to
In on the inner wall for puncturing hose, tee tube and puncture hose.Anticoagulant coating can anti-Hemostatic Oral Liquid puncturing hose, tee tube and puncture
The inner wall of hose solidifies, and influencing this, repeatedly blood sampling remaining needle uses.
Preferred embodiment four: as the preferred of basic scheme one, the steel needle frame is equipped with handle, and the surface of handle is equipped with anti-
Sliding burr.Handle can facilitate this repeatedly blood sampling remaining needle using when take, using steel needle carry out venipuncture when hold steel
Handle on punch block is more convenient for exerting oneself to steel needle.Burr is very effective to prevent medical staff to stay using this multiple blood sampling
During setting needle, because being influenced caused by rubber sleeve.
Preferred embodiment five: preferably four it is preferred, the rear end of the supervisor is externally provided with raised line, on the steel needle frame
Equipped with the groove engaged with raised line.Raised line and groove are clamped tee tube and steel needle frame, and clamping is more convenient for repeatedly adopting using this
When blood remaining needle, draw point seat is removed from tee tube, so that this remaining needle of repeatedly taking a blood sample is operated with process more convenient.Raised line
It is more simple relative to other clamping structures with the structure of groove, it is more convenient the production and manufacture of this remaining needle of repeatedly taking a blood sample.
Preferred embodiment six: preferably five it is preferred, the blood collection assembly further includes sheath, and the sheath is placed on
Needle guard of taking a blood sample is outer and is clamped with blood sampling needle stand.Sheath is removed when needing to take a blood sample, does not need to cover sheath when blood sampling and take a blood sample
It outside needle guard, prevents blood sampling needle guard contaminated, is also prevented from blood taking needle and punctures blood sampling needle guard and prick patient or medical staff.
It is a further object to provide the application methods of above-mentioned multiple blood sampling remaining needle.
Base case two: it as the application method for remaining needle of repeatedly taking a blood sample in basic scheme two, is stayed using the multiple blood sampling
Set needle the following steps are included:
(1) it preparation process: carries out disinfection to the selection of patient's blood sampling site, and ties tourniquet above sterilization scope；It will
Repeatedly the pipe sleeve on blood sampling remaining needle removes, and loosens steel needle；
(2) piercing step: holding handle portion, takes off tight skin, thrusts straightly vein, with steel needle and 15 ° -30 ° of patient skin
The slow inserting needle of angle is shown in after blood back inserting needle 0.2cm again；
(3) move back steel needle step: a hand-held steel needle frame, a hand-held draw point seat exit steel needle, by steel needle from patient's blood vessel
Frame is removed from tee tube, and steel needle component is abandoned；
(4) fixing step: tee tube and blood collection assembly are fixed on patient site of puncture using adhesive plaster, and remove hemostasis
Band；
(5) blood sampling step: silica gel plug is slided to the supervisor rear end of tee tube, the sheath taken a blood sample outside needle guard is decorporated；To
When blood is flow at blood taking needle, by blood taking needle insertion vacuum blood collection tube, blood was collected；
(6) lock procedure: when the blood in vacuum blood collection tube reaches aequum fastly, by silica gel plug to the supervisor of tee tube
Front end is slided, and blood pulls up vacuum blood collection tube after all flowing into vacuum blood collection tube in pipe to be collected；It is pulled up in vacuum blood collection tube
Afterwards, sheath is covered outside blood sampling needle guard；
(7) take a blood sample again step: repetitive operation is taken a blood sample step and lock procedure.
The beneficial effect of base case two is: in this application method, silica gel plug in tee tube is to tee tube
When being responsible for rear end sliding, puncture hose, tee tube, collection tube, blood taking needle are sequentially communicated, blood is from wherein flowing out；By silica gel plug
When sliding to the supervisor front end of tee tube, silica gel plug will directly puncture hose blocking, and blood will not be from puncture hose outflow.
When silica gel plug is close to the supervisor front end of tee tube, venthole is opened, and due to the effect of venthole, the blood in collection tube will
Can from blood taking needle flow out the present apparatus, can anti-Hemostatic Oral Liquid accumulate in collection tube.It is anti-using sealing liquid liquid on common remaining needle
Hemostatic Oral Liquid outflow, if repeatedly blood sampling remaining needle also prevents blood from flowing out using sealing liquid liquid for this, sealing liquid liquid more or less can
With in blood outflow vacuum blood collection tube, the blood in vacuum blood collection tube is for examining so that it is determined that patient's patient's condition, sealing liquid liquid
Know from experience the detection for seriously affecting blood.This application method slides silica gel plug when patient needs to draw blood at regular intervals, will
Blood taking needle is inserted into vacuum blood collection tube, and whole process is convenient and efficient, and will not be painful to patient is brought.Silica gel plug uses 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 hose a part be located at it is intravascular, outside another part blood vessel；Silica gel plug will be located at extravascular puncture hose and block, due to
This portions proximate patient body, temperature are consistent with patient temperature, and making to puncture the blood in hose herein will not solidify.
Preferred embodiment seven: as the preferred of basic scheme two, in piercing step, with steel needle and skin in 25 ° angle into
Needle.Penetrating blood vessel using steel needle is to need as far as possible by steel needle and vessel, but the needle angle of steel needle is too small so that steel needle is worn
Thorn such as blood vessel is very laborious, and the unconsummate medical staff of gimmick is even difficult to prick, and is verified according to practical operation, needle angle
It is more appropriate for 25 °.
Preferred embodiment eight: it as the preferred of basic scheme two or preferred embodiment seven, in lock procedure, is pulled out in vacuum blood collection tube
After lower, sheath is covered outside blood sampling needle guard.Sheath is covered outside blood sampling needle guard when not needing blood sampling, blood sampling needle guard can be prevented
It is contaminated, it can also prevent blood taking needle from puncturing blood sampling needle guard and prick patient or medical staff.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of repeatedly blood sampling remaining needle embodiment of the invention；
Fig. 2 is the structural schematic diagram of blood collection assembly in Fig. 1；
Fig. 3 is the structural schematic diagram of silica gel plug in Fig. 1；
Fig. 4 is status diagram when repeatedly blood sampling remaining needle blood sampling of the invention starts；
Fig. 5 is the status diagram at the end of repeatedly blood sampling remaining needle blood sampling of the invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: tee tube 10, punctures hose 11, pipe sleeve 111, batching pig 12, ventilation
Hole 13, raised line 14, vertical slot 15, steel needle frame 21, groove 211, draw point seat 22, handle 221, burr 222, steel needle 23, blood sampling needle stand
31, blood taking needle 32, blood sampling needle guard 321, sheath 322, collection tube 33, silica gel plug 40, raised 41, vacuum blood collection tube 50, blood 60.
As shown in Figure 1, remaining needle of repeatedly taking a blood sample, including tee tube 10, steel needle component, blood collection assembly and silica gel plug 40.Three
Siphunculus 10 is by the rear end of supervisor and the angle of side pipe are acute angle.The supervisor front end of tee tube 10, which is communicated with, punctures hose 11, wears
The outside of thorn hose 11 is cased with pipe sleeve 111, the supervisor front end clamping of pipe sleeve 111 and tee tube 10；The supervisor rear end of tee tube 10
Inside is provided with batching pig 12, and silica gel plug 40 is located in the supervisor of tee tube 10, and can slide in the supervisor of tee tube.Threeway
The vertical slot 15 being tightly connected with silica gel plug 40 is provided on supervisor's tube wall of pipe 10.As shown in figure 3, being provided with protrusion on silica gel plug 40
41, protrusion 41 is located in vertical slot 15, can be used for controlling silica gel plug 40 and slides in the supervisor of tee tube 10.When in order to adjust blood sampling
Pressure in tee tube 10 is provided with venthole 13 on the supervisor rear end tube wall of tee tube 10, and venthole 13 is located at 12 He of batching pig
Between vertical slot 15.For the ease of using this, repeatedly blood sampling remaining needle can be visually seen its inner case, 10 He of tee tube in the process
It is transparent for puncturing hose 11.
23 component of steel needle includes draw point seat 22, steel needle frame 21 and steel needle 23, and steel needle 23 is fixed in draw point seat 22, steel needle frame
21 pass through steel needle 23 is bonded with draw point seat 22；The handle 221 exerted oneself when being convenient to puncture to steel needle 23 is installed in draw point seat 22,
Anti-skidding burr 222 is provided on handle 221 at holding, handle 221 and draw point seat 22 are integrally formed manufacture.The master of tee tube 10
It is provided with raised line 14 outside pipe rear end, is provided with the groove 211 engaged with raised line 14, tee tube 10 and steel needle frame on steel needle frame 21
21 are clamped by raised line 14 and groove 211.This repeatedly blood sampling remaining needle before use, steel needle 23 sequentially pass through steel needle frame 21, every
From plug 12, the supervisor of tee tube 10, puncture hose 11, the needle point of steel needle 23 is pierced by the top for puncturing hose 11.
As shown in Fig. 2, blood collection assembly includes blood sampling needle stand 31, blood taking needle 32 and collection tube 33,33 one end of collection tube and three
The side pipe of siphunculus 10 seals connection, and the other end of collection tube 33 is connected to 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 10cm；Blood taking needle 32, blood taking needle are secured on blood sampling needle stand 31
32, take a blood sample needle stand 31, be sequentially communicated inside collection tube 33.The outside of blood taking needle 32 be equipped with rubber system at sealing blood taking needle
321 are covered, cylindrical sheath 322, sheath 322 and the blood sampling clamping of needle stand 31 have also been nested with outside needle guard 321 of taking a blood sample.In order to prevent
When using this multiple blood sampling remaining needle, blood 60 solidifies in this repeatedly blood sampling remaining needle, by collection tube 33, tee tube 10 and wears
The inner wall of thorn hose 11 coats anticoagulant coating.
The step of using above-mentioned multiple blood sampling remaining needle are as follows:
(1) preparation process: selection carries out disinfection, and sterilizing to patient's blood vessel that blood was collected to patient's blood sampling site
Tourniquet is tied above range.To repeatedly be taken a blood sample remaining needle, adhesive plaster, vacuum blood collection tube 50 and other required apparatus preparations of taking a blood sample
It is good.Pipe sleeve 111 on multiple blood sampling remaining needle is removed vertically upward, and left-right looseness steel needle 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 steel needle 23 quiet
Arteries and veins is shown in that inserting needle 0.2cm, puncture hose 11 are understood with steel needle again after blood back with the slow inserting needle of 25 ° of angle between steel needle 23 and skin
23 enter in patient's blood vessel.
(3) steel needle step: a hand-held steel needle frame 21 is moved back, another hand-held draw point seat 22 moves back steel needle 23 from patient's blood vessel
Out, the groove 211 of steel needle frame 21 is extracted from the raised line 14 of tee tube 10, steel needle frame 21 is removed from tee tube 10, and
Steel needle component is abandoned.
(4) tee tube 10 and blood collection assembly: being fixed on the body of patient site of puncture by fixing step using adhesive plaster, and
Remove tourniquet.
(5) blood sampling step: silica gel plug 40 is slided to the supervisor rear end of tee tube 10 by protrusion 41, as shown in figure 4, making
It punctures hose 11, tee tube 10, collection tube 33 to be connected to blood taking needle 32, puncture hose 11, the tee tube that blood 60 will be connected to
10 and collection tube 33 in flow out.The sheath 322 taken a blood sample outside needle guard 321 is taken off, when blood 60 is flow at blood taking needle 32, will be adopted
Blood needle 32 is inserted into vacuum blood collection tube 50, and blood was collected, can prevent air from entering vacuum blood collection tube 50.By puncturing hose 11, threeway
Pipe 10 and blood collection assembly flow into vacuum blood collection tube 50.
(6) lock procedure: when the blood 60 in vacuum blood collection tube 50 reaches aequum fastly, protrusion 41 is stirred by silica gel plug
40 slide to the supervisor front end of tee tube 10.As shown in figure 5, silica gel plug 40 is blocked hose 11 is punctured, flow blood 60 no longer
Out, while at venthole 13 it is opened, air enters tee tube 10 by venthole 13.Tee tube 10 is connected to collection tube 33,
So that air enters collection tube 33, then blood 60 can be flowed into all in vacuum blood collection tube 50 in collection tube 33, in pipe 33 to be collected
Vacuum blood collection tube 50 is pulled up after not having blood 60.After vacuum blood collection tube 50 is pulled up, by 322 sets of sheath in blood sampling needle guard 321
Outside can prevent blood sampling needle guard 321 contaminated, can also prevent blood taking needle 32 from puncturing blood sampling needle guard 321 and prick patient or medical care
Personnel.
(7) blood was collected for repetitive operation blood sampling step and lock procedure when taking a blood sample again.
When using this repeatedly blood sampling remaining needle, without taking blood sampling needle guard when blood taking needle 32 is inserted into vacuum blood collection tube 50
321, the top that the tip of blood taking needle 32 directly punctures blood sampling needle guard 321 is pierced into collection tube 33 and can take a blood sample.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 is may be used also after rubber material is punctured
Restore original shape, blood sampling needle guard 321 is sealed the tip of blood taking needle 32, prevents blood taking needle 32 from pricking patient or medical care
It is contaminated to be also possible to prevent blood taking needle 32 by personnel.It is to be flowed out using the anti-Hemostatic Oral Liquid 60 of sealing liquid liquid 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 and adopt
In blood vessel 50, the blood 60 in vacuum blood collection tube 50 is for examining so that it is determined that patient's patient's condition, sealing liquid liquid can serious shadows
Ring the detection for arriving blood 60.This application method slides silica gel plug 40, by blood taking needle when patient needs to draw blood at regular intervals
32 insertion vacuum blood collection tubes 50, whole process is convenient and efficient, and will not be painful to patient is brought.Silica gel plug 40 uses silica gel
Material is made, and silica gel has physiological inertia, and contacting with blood 60 will not be such that blood 60 solidifies.Repeatedly blood sampling remaining needle is using for this
When, puncture a part of hose 11 be located at it is intravascular, outside another part blood vessel；Silica gel plug 40 blocks the inside for puncturing hose 11,
Although blocking portion is located at extravascular, this portions proximate patient body, temperature is consistent with patient temperature, can be made herein
The blood 60 punctured in hose 11 does not solidify.
What has been described above is only an embodiment of the present invention, and well known specific structure and specific method and characteristic etc. are normal in scheme
Knowledge does not describe excessively herein.It should be pointed out that for those skilled in the art, not departing from structure of the invention and method
Under the premise of, several modifications and improvements can also be made, these also should be considered as protection scope of the present invention, these all will not shadow
Ring effect and patent practicability that the present invention is implemented.This application claims protection scope should be with the content of its claim
Standard, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (6)
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| CN201610965355.3A CN106510729B (en) | 2016-10-31 | 2016-10-31 | Repeatedly blood sampling remaining needle |
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| CN201610965355.3A CN106510729B (en) | 2016-10-31 | 2016-10-31 | Repeatedly blood sampling remaining needle |
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| CN106510729A CN106510729A (en) | 2017-03-22 |
| CN106510729B true CN106510729B (en) | 2019-05-17 |
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| 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 how to use it |
| CN109223000B (en) * | 2018-11-14 | 2024-08-30 | 威海富山尼德欧医疗科技有限公司 | Anti-pollution visual elbow blood taking needle and manufacturing 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 |
| CN112263752A (en) * | 2020-12-09 | 2021-01-26 | 上海市金山区亭林医院(中国福利会国际和平妇幼保健院金山分院) | A dual-purpose needle for blood collection and infusion |
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| 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 |
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2016
- 2016-10-31 CN CN201610965355.3A patent/CN106510729B/en not_active Expired - Fee Related
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 |
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