CN206026791U - Needle is kept somewhere from area blood sampling end to detachable - Google Patents

Abstract

The utility model discloses a medical needle of keeping somewhere of improvement, it is kept somewhere needle blood sampling back and directly lifts blood sampling end, convenient clinical operation off from having detachable blood sampling end. It presss from both sides, lengthens tube socket, heparin cap, fungi -proofing block, bi -pass syringe needle, draw -in groove hasp to include sheath, pjncture needle, indwelling catheter, puncture needle file and extension hose, end liquid. Extension hose heparin cap on be equipped with detachable blood sampling end, including sheath and bi -pass syringe needle, be equipped with the draw -in groove between base and the syringe needle, the bi -pass syringe needle passes the heparin cap in directly present, outside one end is present, the draw -in groove, extension hose seat side has an outstanding buckle, the bi -pass syringe needle corresponds fixedly should buckle also hasp, the hasp if to keep a straight line to agree with then fixed, the rotate right then separates and lifts the blood taking needle off left, the utility model discloses can effectively reduce patient's infection risk, the risk of reduction syringe needle puncture rubber buffings, work load, the improvement work efficiency that reduction medical staff acupuncture wound occupation exposes, reduces the nurse. In addition, the hasp structure is dismantled conveniently, can reach the best blood sampling effect under sampling and time correlation's the condition, is suitable for clinical popularization.

Description

Dismountable type carries blood sampling end remaining needle

Technical field：

This utility model is related to a kind of medical needle, belongs to technical field of medical instruments.Specifically related to a kind of nursing procedure During indwelling, using the teaching of the invention it is possible to provide clinical blood sampling chemical examination needs immediately, without the need for connecting blood taking needle in addition, it is to avoid blood collection procedure acupuncture is caught cold Danger, improves remaining needle and its using method of therapeutic efficiency.

Background technology：

Venous transfusion is the main method of clinical treatment disease, and this is also the requisite work of medical institutions, Although venous transfusion is day by day reduced in medicine and hygiene fieldses, some chronic and emergency and severe diseases give emergency treatment to a patient there is still a need for defeated with vein Liquid is reaching the purpose of fast treating.Existing venous transfusion draw point easily punctures blood vessel in infusion process, must change every time Beat again.But, the invention of venous detaining needle and application overcome these shortcomings, need draw point core during use after completing venipuncture Extract out, only leave sleeve pipe, so will not injured blood vessel.Flexible pipe can stay in Ink vessel transfusing and continuously use 3-5 days.Meanwhile, venous indwelling The use of pin can also reduce the pain that patient is caused because of venipuncture repeatedly, mitigate the workload of clinical care, also allow for robbing Safe medication when rescuing or during chemotherapy, thus venous detaining needle is widely applied clinically.

But in actual applications, existing remaining needle generally comprises indwelling flexible pipe, indwelling needle, extends base, is connected to Indwelling needle and the prolongation flexible pipe extended between base, the liquid stopping clamp being installed on prolongation flexible pipe.And existing remaining needle is general Blood is punctured into for single-ended, the other end is semi-closed blood sampling system.Semi-closed system is in closure state when not taking a blood sample, while being Anti- hemostasis-coagulation, injects a certain amount of anticoagulant in closed end.In blood sampling, outwards drawn blood by negative pressure system such as syringe, shape Desired blood is obtained into instantaneous path.Due to the stationarity in structure, there is a defect, for the trouble taken a blood sample by doctor's advice Person, in order to reduce second puncture pain, nurse's blood taking needle of unpacking typically after remaining needle is accomplished fluently, in addition is directly connected to remaining needle One end calparine cap rubber mouth is taken a blood sample, and during this, there are two risks, and first is patient's infection risk, remaining needle end Mouth repeated localised puncture has bacterial infection to enter the risk of blood；Second is the risk of medical worker's pricking wound, on the other hand in fixed indwelling Pin, on the other hand in blood taking needle and the connection calparine cap rubber port of unpacking, during be easy to the colleague that stabs oneself or assist.Can To know, this can cause great hidden danger to whole medical safety, and also the life security to patient brings very big threat, The job schedule of normal medical operation has more been had a strong impact on, waste of material and cost allowance has been also resulted in.

State Intellectual Property Office of the People's Republic of China discloses Publication No. CN 104688244 on June 10th, 2015 The patent documentation of A, title be it is a kind of can Real-time Collection blood or administration remaining needle.Including remaining needle body, it is provided with two and leads to The indwelling needle of extension tube connection is crossed, extension tube is provided with storage haemocoele and peristaltic pump；The storage haemocoele is elastic instant recovery dress Put, which is provided with blood sampling hole；Blood sampling is connected with automatic sampler on hole；The peristaltic pump passes through electric lead and power supply connects, electricity Wire is provided with switch.But this is particularly basic hospital in clinical practice and does not suit, blood collection procedure, due to electric equipment heaviness And it is also inconvenient during nurse operation, if patient is drunk or limb action is ill-matched, at all cannot be in retainer instrument shape Work of taking a blood sample is completed under state；It is that apparatus control has certain failure risk and flexibly reply mobility is not enough again, particularly adopts There is certain infection risk in blood hole, the collection of blood deposit；During aspiration medicinal liquid, Medicated needle of syringe repeatedly punctures peace and cuts open rubber bottle , there is repeatedly cutting rubber, be easily caused the generation of buffings, so as to destroy the quality of medicine in plug.

This time the generation of invention intention, is the review to Hospitals at Present emergency department venous indwelling process：Such as organophosphors Pesticide intoxication patient sends into first aid, needs to open venous channel immediately and chemical examination of taking a blood sample, and after common retained needle puncture, a nurse is solid Fixed, a nurse takes blood taking needle apart, is taken a blood sample after connection remaining needle and negative pressure test tube；For this purpose, remaining needle is entered by this creative design Row improvement, new-type remaining needle in process of the test are put by the same nurse and just complete after negative pressure test tube directly blood sampling, convenient Medical personnel's one-handed performance, while right-hand man's operation is similarly facilitated, centre eliminates unpacking and connection procedure for blood taking needle, protects Hinder the safety of medical act, prevent relevant risk.And which is simple to operate, can reach most in the case of sampling and time correlation Good blood sampling effect, is suitable to clinical expansion.

The content of the invention：

This utility model, the improvement of predominantly existing remaining needle is to solve the above problems, there is provided a kind of structure is simpler It is single, it is reasonable in design, while blood sampling immediately when solving the problems, such as indwelling, that is, but also with avoiding while possessing common remaining needle performance Because of blood sampling during indwelling, and patient's infection and occupational exposure pricking wound risk is caused, so as to shorten the technical problem of indwelling time, Improve the remaining needle of therapeutic efficiency.

To achieve these goals, design a kind of dismountable type and carry blood sampling end remaining needle, the technical scheme for being adopted is：This Utility model includes sheath, puncture needle, inlying catheter, Paracentesis needle holder and extends flexible pipe, liquid stopping clamp, extend base, calparine cap, prevent The components such as cap cap.Dismountable type blood sampling end connection extends flexible tube base calparine cap one end, and described prolongation flexible pipe calparine cap is provided with Dismountable type blood sampling needle assembly, described dismountable type blood sampling needle assembly include sheath and bilateral syringe needle, are provided between base and syringe needle Draw-in groove, bilateral syringe needle through calparine cap one extending in flexible tube base, one it is present it is outer protected by sheath and draw-in groove is fixed, it is described Draw-in groove be provided with and detain up and down, extending has a button on flexible tube base calparine cap one end, bilateral syringe needle is correspondingly fixed this and buckled and also have one Lock, described lock are fixed as kept a straight line to agree with, and right rotation to the left is then separated and unloads blood taking needle.

Described dismountable type blood sampling end is located at remaining needle and extends flexible tube base calparine cap one end.

Described dismountable type blood sampling end component includes sheath and bilateral syringe needle, fixed lock.

Described bilateral syringe needle, break-through extend flexible tube base calparine cap, and one obtains blood extending in flexible tube base, one Heparin cap base is outer to be protected by sheath, used as connection negative pressure test tube.

Described bilateral middle needle section is annular hollow plastic material, and syringe needle is steel material.

Described draw-in groove lock, projects positioned at the one end for extending flexible tube base calparine cap side, and lock is in bilateral syringe needle Between on plastic material, bilateral syringe needle to should clip have a corresponding hook to latch.

Described lock is fixed, is outwarded winding to the left and right, divide as kept a straight line, prominent clip and hook lock to agree with From unloading blood taking needle.

Existing common remaining needle is compared, preferably, dismountable type carries the more common syringe needle of blood sampling end remaining needle more One band needle assembly, but complete after blood collection is unloaded and revert to common remaining needle, real work is not affected, can be provided on the contrary Clinical nursing activity efficiency.

Preferably, dismountable type carries blood sampling end remaining needle, either first aid is used using still ward and is punctured, blood sampling knot Fruit all, can effectively reduce the pain that patient is caused because of venipuncture repeatedly, and the workload of mitigation clinical care subtracts The risk of patient's infection in few blood collection procedure, the risk of the occupational exposure such as pricking wound during reduction nurse operation, under observation Satisfactory result is obtained all.

Preferably, dismountable type carries blood sampling end remaining needle, front end sheath is closed, be directly connected to in calparine cap, bilateral Middle needle section, is the netted plastic material of annular hollow, the impurity that network structure can be during effectively each class I liquid I passes through, and is reduced The possibility that the chips such as buffings are entered is punctured, the safety of medical act has been ensured.

Preferably, dismountable type carries blood sampling end remaining needle, lock is provided with flexible tube base calparine cap is extended, dextrorotation to the left Turn separate can blood sampling end syringe needle, it is so as to conveniently extract syringe needle, easy to operate.

The using method that dismountable type carries blood sampling end remaining needle is provided, is comprised the following steps：

1st, require according to venipuncture, sterilization is punctured, the fixed remaining needle of application；2nd, pipe end calparine cap upper jacket will be extended to take Under, expose bilateral and expose syringe needle；3rd, blood is automatically obtained with the negative pressure blood collecting tube, connecting needle got ready；4th, blood flow volume is reached, Depart from negative pressure test tube；5th, draw-in groove of outwarding winding to the left or to the right is latched, and bilateral syringe needle is unloaded, according to the process of Biohazard Waste sharp instrument； 6th, now remaining needle is as good as with general remaining needle, can connect the operation of relevant infusion leather hose.

The beneficial effect that this utility model brings is that simple structure is easy to use, workable, and safety is secure. Compared with the existing technology, have an advantage in that：After the completion of transfusion, by the bilateral syringe needle being connected on remaining needle, can be effective Carry out vein blood sampling, reduce patient's infection risk, reduce syringe needle and puncture the generation of buffings, reduce the work of nurse operation Amount, reduction pricking wound occupational exposure, raising curative activity efficiency.Clinic trial repercussion effect is good, simple operation, in addition, lock Structure convenient disassembly, it is not burdensome, it is ensured that medical worker itself and patient safety.

Description of the drawings：

Fig. 1 is a kind of structural representation of the present utility model；

Fig. 2 is that the blood sampling end of this utility model embodiment is removed sheath and exposes bilateral syringe needle schematic diagram；

Fig. 3 is the bilateral syringe needle of this utility model embodiment and extends fixed card slot buckle structure schematic diagram between base；

Fig. 4 is the schematic diagram for unloading appearance after bilateral syringe needle of this utility model embodiment；

Fig. 5 is the bilateral needle head structure schematic diagram of this utility model embodiment；

Fig. 6 is the bilateral syringe needle plasticity hollow space internal structure schematic diagram of this utility model embodiment；

In figure：1st, sheath A；2nd, puncture needle；3rd, inlying catheter；4th, Paracentesis needle holder；5th, extend flexible pipe；6th, liquid stopping clamp；7th, prolong Long base；8. liver rope cap；9th, fungi-proofing block；10th, bilateral syringe needle；11st, sheath B；12nd, draw-in groove lock；

Specified Fig. 1 is Figure of abstract of the present utility model.

Specific embodiment：

Below by embodiment, and accompanying drawing is combined, the technical solution of the utility model is described in further detail.This Outward, it is very clearly for the structure and principle of this device people professional to this.It should be appreciated that described herein concrete Embodiment only to explain the present invention, is not intended to limit the present invention.

As shown in figure 1, this dismountable type carries blood sampling end remaining needle, including：1st, sheath A；2nd, puncture needle；3rd, inlying catheter； 4th, Paracentesis needle holder；5th, extend flexible pipe；6th, liquid stopping clamp；7th, extend base；8. calparine cap；9th, fungi-proofing block；10th, bilateral syringe needle；11、 Sheath B；12nd, draw-in groove lock；Citing venous detaining needle blood sampling flow process：

Require that according to venipuncture patient skin of sterilizing is removed sheath A1, punctures successfully backed off after random puncture needle 2, vein send Enter inlying catheter 3,

The fixed Paracentesis needle holder 4 of application；

The sheath B extended on 5 end calparine cap 8 of flexible pipe is removed on the other hand, and expose bilateral syringe needle 10 one exposes syringe needle；

With exposing in syringe needle for the negative pressure blood collecting tube, connection insertion bilateral syringe needle 10 got ready, adopting for blood is automatically obtained Collection；

After detection blood volume reaches, recess negative pressure test tube or change next negative pressure blood collecting tube；

Collection blood is finished, draw-in groove lock fixed between bilateral of outwarding winding to the left or to the right syringe needle 10 and prolongation base 7 12, bilateral syringe needle 10 is unloaded, and processes bilateral syringe needle according to Biohazard Waste sharp instrument；Reconnect other infusion tubes or with only liquid 6 folder of folder closes prolongation flexible pipe 5；

Now remaining remaining needle is as good as with general remaining needle, and can connect relevant infusion leather hose carries out other operations.This mistake Journey is effectively reduced the infection risk of patient, reduces the risk of syringe needle puncture rubber generation buffings, reduces medical worker's acupuncture The risk for hindering occupational exposure, the workload for reducing nurse operation, improve curative activity efficiency.In addition, buckle structure dismounting It is convenient, it is not burdensome, it is ensured that medical worker itself and patient safety.

Specific embodiment described herein is only explanation for example to this utility model spirit.

Although more having used the terms such as remaining needle, calparine cap, Paracentesis needle holder herein, it is not precluded from using other arts The probability of language.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；They are solved It is all contrary with this utility model spirit to be interpreted into any additional restriction.

Claims (4)

1. a kind of dismountable type carries blood sampling end remaining needle, including sheath A (1), puncture needle (2), inlying catheter (3), Paracentesis needle holder (4), extend flexible pipe (5), liquid stopping clamp (6), extend base (7), calparine cap (8), fungi-proofing block (9), bilateral syringe needle (10), sheath B (11), draw-in groove lock (12), dismountable type blood sampling end connection extend flexible tube base calparine cap one end, described prolongation flexible pipe calparine cap Dismountable type blood sampling needle assembly is provided with, described dismountable type blood sampling end includes sheath and bilateral syringe needle, sets between base and syringe needle There is draw-in groove, bilateral syringe needle is fixed by draw-in groove through calparine cap, described draw-in groove is provided with to be detained up and down, extend flexible tube base calparine cap one There is a button on end, bilateral syringe needle correspondence is fixed this and buckled and also have a lock, and described lock is consolidated if agreeing with such as one straight line of holding Fixed, right rotation to the left is then separated and unloads blood taking needle.

2. dismountable type according to claim 1 carries blood sampling end remaining needle, it is characterized in that extending flexible tube base positioned at remaining needle Calparine cap one end, built-in bilateral syringe needle pass through calparine cap, and one is extending in flexible tube base, and one present outer by sheath protection.

3. dismountable type according to claim 2 carries blood sampling end remaining needle, it is characterized in that bilateral syringe needle connecting portion for modeling Property material, syringe needle is steel material.

4. dismountable type according to claim 3 carries blood sampling end remaining needle, it is characterized in that lock in the middle of bilateral syringe needle On plastic material, corresponding hook lock is formed with draw-in groove.