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 endBetween 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, instituteStating 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 needleIt 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 itRubber 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 tubeIncluding 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 supervisorThe 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 siliconVenthole 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 passSystem.
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 timeWhen 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 intoRow 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 tubeWhen 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 timeHole 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 againVenipuncture.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 guardTop 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 samplingNeedle 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 quiltPollution.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 repeatedlyTake 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 vesselPuncture hose block, due to this portions proximate patient body, temperature is consistent with patient temperature, makes to puncture in hose hereinBlood 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 thisSecondary 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 hospitalSection 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 sampleThe 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 punctureHose 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 pipeCause 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 certifiableA 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 pastPeople, 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.EntirelyUsing the process also very simple and convenient shortcoming overcome in existing blood collection procedure of multiple blood sampling remaining needle, improve comprehensivelyThe 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 connectedSlot, 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 makesRepeatedly 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 samplingLiquid.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 tubeLength 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 withThere is anticoagulant coating.In blood collection procedure, blood, which will enter, punctures hose, tee tube and collection tube, so that blood can adhere toIn on the inner wall for puncturing hose, tee tube and puncture hose.Anticoagulant coating can anti-Hemostatic Oral Liquid puncturing hose, tee tube and punctureThe 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 steelHandle 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 samplingDuring 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 frameEquipped 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 thisWhen 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 lineIt 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 onNeedle 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 sampleIt 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 samplingSet 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 willRepeatedly 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 skinThe 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 vesselFrame 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 hemostasisBand；
(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；ToWhen 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 tubeFront 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 tubeAfterwards, 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 tubeWhen 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 plugWhen 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 willCan 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 needleHemostatic 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 canWith 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 liquidKnow from experience the detection for seriously affecting blood.This application method slides silica gel plug when patient needs to draw blood at regular intervals, willBlood 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 gelMaterial 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 toThis 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 intoNeedle.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 wornThorn 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 angleIt 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 tubeAfter 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 preventedIt is contaminated, it can also prevent blood taking needle from puncturing blood sampling needle guard and prick patient or medical staff.
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, ventilationHole 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 stand31, 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.ThreeSiphunculus 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, wearsThe 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 10Inside 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.ThreewayThe 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 4041, 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 samplingPressure 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 pigBetween 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 processIt 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 frame21 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 10It 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 2121 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, everyFrom 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 threeThe 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 andIt 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 3132, 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 needle321 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 preventWhen 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 wearsThe 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 siteTourniquet 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 sampleIt 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 quietArteries 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 skin23 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 vesselOut, 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, andSteel 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, andRemove 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, makingIt 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 to10 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 adoptedBlood 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, threewayPipe 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 plug40 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 longerOut, 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 collectedVacuum 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 321Outside 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 carePersonnel.
(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 50321, 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 collectionWhen 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 puncturedRestore 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 careIt 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 moreSecondary 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 adoptIn 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 shadowsRing 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 intervals32 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 gelMaterial 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 thisWhen, 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 hereinThe 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 schemeKnowledge 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 methodUnder 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 shadowRing effect and patent practicability that the present invention is implemented.This application claims protection scope should be with the content of its claimStandard, the records such as specific embodiment in specification can be used for explaining the content of claim.