CN104888301A - Autoblood collection and transfusion device - Google Patents
Autoblood collection and transfusion device Download PDFInfo
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- CN104888301A CN104888301A CN201510296963.5A CN201510296963A CN104888301A CN 104888301 A CN104888301 A CN 104888301A CN 201510296963 A CN201510296963 A CN 201510296963A CN 104888301 A CN104888301 A CN 104888301A
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Abstract
The invention provides an autoblood collection and transfusion device, and belongs to the field of medical instruments. The autoblood collection and transfusion device comprises a blood collection branch, a blood transfusion branch, a first puncture outfit, a second puncture outfit and a transfusion needle. One end of the blood collection branch and one end of the blood transfusion branch are connected with a sixth connection hose. The other ends of the blood collection branch and the blood transfusion branch are communicated with the first puncture outfit and the second puncture outfit respectively. Liquid stop clamps are arranged on a connection pipeline between the blood collection branch and the first puncture outfit and a connection pipeline between the blood transfusion branch and the second puncture outfit respectively. The transfusion needle is connected with a seventh connection hose. The sixth connection hose and the seventh connection hose are in threaded movable connection. An air inlet channel running through a puncture head is arranged on the second puncture outfit. A one-way air inlet film is arranged on the air inlet channel. A flow adjuster is arranged on the blood collection branch and/or the blood transfusion branch. The autoblood collection and transfusion device has the advantages that contamination in blood collection and transfusion is avoided effectively, reliability in blood collection and transfusion is improved and blood resource waste is reduced.
Description
Technical field
The present invention relates to a kind of blood and adopt blood exchange transfusion set, especially relate to a kind of autoblood and adopt blood exchange transfusion set.
Background technology
The blood used in current medical industry adopts aerofluxus branch road blood exchange transfusion set arranging band air filter, and this aerofluxus branch road is medical connecting hose, and its two ends are connected with air filter, perforator respectively and communicate.In blood sampling treatment, when blood adopts blood exchange transfusion set when carrying out the operation of puncture infusion bottle, first perforator is interted infusion bottle, and the aerofluxus branch road of band air filter is fixed upward, therefore, the aerofluxus branch road of band air filter of happening occasionally is forgotten and is retightened, or fixing bad, thus occur that pipeline gives a discount or air filter leakage situation, have impact on normal infusion, reduce blood and adopt defeated efficiency, even pollute, and, after blood transfusion completes, blood residual in pipeline can not be rinsed well, thus causes the waste of blood resource.
Traditional blood adopts blood exchange transfusion set in clinical practice in addition to the above described disadvantages, also there is following shortcoming:
The first, it is adopt to be with the straight-through of tapering to be connected that traditional blood adopts the transfusion needle on blood exchange transfusion set with the connected mode of flexible pipe, and therefore, connection reliability is not high, there is the hidden danger come off by external force.
The second, traditional blood is adopted blood exchange transfusion set and is being adopted in transfusion procedure, because the perforator be connected with the aerofluxus branch road of band air filter is without handle position, so labor intensity when too increasing puncture procedure.
3rd, traditional blood blood filter adopted in blood exchange transfusion set is arranged in dropping funnel inner chamber, itself and dropping funnel are same with an inner space, and blood be introduced into blood filter without filter screen end, again from there being filter screen end to flow out, the blood of flowing has certain contention effect to filter screen, and blood itself also has certain viscosity, therefore, be unfavorable for observing the velocity of blood flow in pipe-line system in time very much.After having blood clot to enter dropping funnel inner space, be easy to be deposited on the filter screen of blood filter, cause blood filter (filter screen) easily to block.If extrude dropping funnel by force, easily blood clot is got in filter screen again, and along with flowing blood enter in human body, harmful effect is caused to the transfusion safety of human body.In addition, when blocking occurs blood filter, be not easily found in time, therefore, also can cause certain security risk.
4th, traditional blood adopts blood exchange transfusion set's normally single use medical apparatus and instruments, and the main material of the assemblies such as dropping funnel wherein, conduit adopts polrvinyl chloride (PVC) material substantially.When blood is adopted after blood exchange transfusion set uses, burning mode is normally taked to carry out waste treatment.When burning disposal, the burn processing of pvc material is more difficult, and burying can cause severe contamination to soil, and can produce hydrogen chloride during burning with bioxin gas, hydrogen chloride can form acid rain, Er bioxin gas is carcinogen.Therefore, very environmental protection is unfavorable for.
Summary of the invention
The technical problem to be solved in the present invention is: for prior art Problems existing, provides a kind of autoblood to adopt blood exchange transfusion set, and raising blood is adopted, defeated efficiency, avoids polluting simultaneously, reduces the waste of blood resource.
The technical problem to be solved in the present invention realizes by the following technical solutions: a kind of autoblood adopts blood exchange transfusion set, comprise blood sampling branch road, blood transfusion branch road, first perforator and the second perforator and transfusion needle, described blood sampling branch road, one end of blood transfusion branch road is all connected with the 6th connecting hose, described blood sampling branch road, blood transfusion branch road the other end respectively with the first perforator, second perforator communicates, on connecting line between blood sampling branch road and the first perforator, connecting line between blood transfusion branch road and the second perforator arranges liquid stopping clamp respectively, described transfusion needle is connected with the 7th connecting hose, described 6th connecting hose with form screw thread between the 7th connecting hose and be flexibly connected, described second perforator is arranged the inlet channel of through puncturing head, inlet channel arranges one-way air inlet film, described blood sampling branch road and/or blood transfusion branch road arrange flow regulator.
Preferably, described flow regulator is roller type flow regulator.
Preferably, described flow regulator is elastic ball, and described elastic ball arranges through hole, and described blood sampling branch road and/or blood transfusion branch road run through through hole.
Preferably, described flow regulator is elastic ball, and elastic ball arranges through hole, and blood sampling branch road and/or blood transfusion branch road arrange corrugated tube, and described elastic ball is arranged on corrugated tube inner chamber.
Preferably, described second perforator also comprises fixed support with through hole and fixed cap, described fixed support fixed seal connection is at inlet channel entrance point, and through hole on fixed support and inlet channel mutually through, described one-way air inlet film is fixedly mounted on the air inlet end of inlet channel by fixed support, described fixed cap and fixed support are tightly connected to close fixed support air inlet oral area, are separated from each other to open fixed support air inlet oral area with fixed support.
Preferably, described fixed cap cross sectional shape is T-shaped, forms interference fit between the through hole on its lobe and fixed support.
Preferably, between described fixed support and one-way air inlet film, air-filtering membrane is set.
Preferably, described second perforator is fixedly connected with grip part, and described grip part is trapezoidal shape.
Compared with prior art, the invention has the beneficial effects as follows: owing to the second perforator being arranged the inlet channel of through puncturing head, inlet channel arranges one-way air inlet film, therefore, no longer need the aerofluxus branch road of independent configure band air filter, avoid because improper the caused pipeline of aerofluxus shunt operations gives a discount or the generation of air filter leakage situation, what improve blood adopts defeated efficiency, and avoids blood to adopt pollution in defeated process.Meanwhile, after blood transfusion completes, easily the blood remained in Blood transfusion tubeline can be rinsed well by operating the second perforator, and make it to enter human body, thus decrease the waste of blood resource.
Accompanying drawing explanation
Fig. 1 is the structure chart (embodiment 1) that a kind of autoblood of the present invention adopts blood exchange transfusion set.
Fig. 2 is the partial enlarged drawing in A portion in Fig. 1.
Fig. 3 is the partial enlarged drawing in C portion in Fig. 2.
Fig. 4 is the sectional view (exploded view) of the second perforator in Fig. 1.
Fig. 5 is the partial enlarged drawing in B portion in Fig. 1.
Fig. 6 is the structure chart (embodiment 2) that a kind of autoblood of the present invention adopts blood exchange transfusion set.
Fig. 7 is the sectional view of Fig. 6 Elastic ball.
Fig. 8 is the structure chart (embodiment 3) that a kind of autoblood of the present invention adopts blood exchange transfusion set.
Fig. 9 is the structure chart of dropping funnel in Fig. 1 or Fig. 6 or Fig. 8.
Labelling in figure: 1-first perforator, 2-liquid stopping clamp, 3-first connecting hose, 4-second perforator, 5-second connecting hose, 6-first three way cock, 7-second three way cock, 8-the 3rd connecting hose, 9-the 4th connecting hose, 10-dropping funnel, 11-drainage screen, 12-roller type flow regulator, 13-the 5th connecting hose, 14-the 3rd three way cock, 15-the 6th connecting hose, 16-the 7th connecting hose, 17-transfusion needle, 18-helmet, 19-standard female cone nipple, 20-standard outer cone nipple, 21-elastic ball, 22-through hole, 23-corrugated tube, 41-grip part, 42-inlet channel, 43-sprue, 44-puncturing head, 45-fixed support, 46-fixed cap, 47-perforator body, 48-one-way air inlet film, 49-air-filtering membrane, 101-input pipe, 102-filter chamber, 103-dividing plate, 104-conduit, 105-outlet tube, 106-collecting chamber.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
Blood as shown in Figure 1 adopts blood exchange transfusion set, comprise blood sampling branch road, blood transfusion branch road, the first perforator 1 and the second perforator 4 and transfusion needle 17, described blood sampling branch road comprises the 5th connecting hose 13 and regulates the roller type flow regulator 12 of the 5th connecting hose 13 flow, described blood transfusion branch road comprises the 3rd connecting hose 8, the 4th connecting hose 9 and dropping funnel 10, described dropping funnel 10 two ends are sealedly and fixedly connected with the 3rd connecting hose 8 right-hand member, the 4th connecting hose 9 left end respectively, are fixedly connected with drainage screen 11 at dropping funnel 10 inner chamber by heat seal mode.Described 5th connecting hose 13 left end, the 3rd connecting hose 8 left end adopt medical high polymer binding agent close adhesion respectively and between the diplopore end of the second three way cock 7 of product type, described 5th connecting hose 13 right-hand member, the 4th connecting hose 9 right-hand member adopt medical high polymer binding agent close adhesion respectively and between the diplopore end of the 3rd three way cock 14 of product type, 3rd connecting hose 8 arranges liquid stopping clamp 2, the 4th connecting hose 9 arranges the roller type flow regulator 12 that can regulate the 4th connecting hose 9 flow.The first described perforator 1 is common perforator, medical high polymer adhesive seal is adopted to be fixedly connected with between its with first connecting hose 3 one end, adopt medical high polymer binding agent close adhesion between the diplopore end of the first three way cock 6 of described first connecting hose 3 other end and product type, the first connecting hose 3 arranges liquid stopping clamp 2.
The concrete structure of the second described perforator 4 as shown in Figure 2, Figure 3, Figure 4, comprise perforator body 47, grip part 41 and with the fixed support 45 of through hole and fixed cap 46, described perforator body 47 free end is puncturing head 44, described grip part 41 is in trapezoidal shape, its relatively large one end is fixedly connected with perforator body 47, such convenient operation personnel apply enough active forces by 41 pairs, grip part puncturing head 44, improve the puncture efficiency of the second perforator 4, be conducive to labor intensity when alleviating puncture procedure.Described perforator body 47 arranges sprue 43, meanwhile, perforator body 47 arranges the inlet channel 42 of through puncturing head 44, described inlet channel 42 is parallel to each other with sprue 43.Groove is offered at the entrance point of inlet channel 42, described fixed support 45 is in T shape, relatively small end is with interference fit fixed seal connection in a groove for it, also medical high polymer adhesive seal can be adopted to be fixedly connected with in a groove, its relatively large end then exposes to perforator body 47, the through hole on described fixed support 45 and inlet channel 42 mutually through.One-way air inlet film 48 and air-filtering membrane 49 are installed between fixed support 45 and perforator body 47, described one-way air inlet film 48 is fixedly mounted on the air inlet end of inlet channel 42 by fixed support 45, described air-filtering membrane 49 is arranged between one-way air inlet film 48 and fixed support 45, as shown in Figure 4.The cross sectional shape of described fixed cap 46 is T-shaped, the lobe main body of its relatively small end is cylindrical shape, lobe tip designs becomes spherical surface body, the guiding so advantageously when fixed cap 46 fastens mutually with fixed support 45, also facilitates and is taken off from fixed support 45 by fixed cap 46.Form interference fit between the through hole of lobe on described fixed cap 46 preferably and on fixed support 45, when fixed cap 46 and fixed support 45 fasten put in place time, be tightly connected between fixed cap 46 and fixed support 45, to close fixed support 45 air inlet oral area; When fixed cap 46 is separated from each other with fixed support 45, fixed support 45 air inlet oral area is opened, thus make inlet channel 42 and the second perforator 4 space outerpace mutually through, make the air of the second perforator 4 space outerpace can enter inlet channel 42 from the through hole fixed support 45, and flow out the second perforator 4 from puncturing head 44.After fixed cap 46 opens, one-way air inlet film 48 allows the air of the second perforator 4 space outerpace by entering inlet channel 42 after one-way air inlet film 48, and therefore, described second perforator 4 is the perforators with one-way air inlet mechanism.
Medical high polymer adhesive seal is adopted to be fixedly connected with between the second described perforator 4 with second connecting hose 5 one end, medical high polymer binding agent close adhesion is adopted between the diplopore end of the other end of described second connecting hose 5 and the first three way cock 6 of product type, sprue 43 on second perforator 4 and the second connecting hose 5 mutually through, the second connecting hose 5 arranges liquid stopping clamp 2.Mutually be sealedly and fixedly connected by connecting hose between the single hole end of the first described three way cock 6 and the single hole end of the second three way cock 7.
As shown in Figure 1, shown in Figure 5, described transfusion needle 17 is fixedly connected with the 7th connecting hose 16, adopt medical high polymer binding agent close adhesion between the single hole end of the 3rd three way cock 14 of described product type and the 6th connecting hose 15, the 6th connecting hose 15 wherein with form screw thread between the 7th connecting hose 16 and be flexibly connected.Specifically, standard outer cone nipple 20 is fixedly connected with in the 6th connecting hose 15 one end, standard female cone nipple 19 is fixedly connected with in the 7th connecting hose 16 one end, described standard female cone nipple 19 with form screw thread between standard outer cone nipple 20 and be flexibly connected, therefore, transfusion needle 17 and blood adopt the connection of blood exchange transfusion set can by standard female cone nipple 19, standard outer cone nipple 20 rotation that cooperatively interacts is tightened, such structure not only can ensure that transfusion needle 17 obscission does not occur when being subject to External Force Acting, safety, reliability is high, and easy accessibility, implementation cost is low, be conducive to improve blood adopt blood exchange transfusion set in use adopt blood transfusion efficiency.
The whole pipe-line system that the blood of the present embodiment adopts blood exchange transfusion set is a closed cycle system, and through sealing sterilization packaging.It is when Clinical practice, is the functional requirement that utilizes gravity to complete to adopt, transfuse blood.Its concrete operation principle is as follows:
When clinical needs carry out blood sampling operation, first close with the liquid stopping clamp 2 on the blood transfusion branch road of dropping funnel 10, namely the liquid stopping clamp 2 in the 3rd connecting hose 8 is closed, the liquid stopping clamp 2 in the second connecting hose 5 is also closed.Namely blood utilize gravity whole blood by Engage of standard female cone nipple 19, standard outer cone nipple 20 successively after transfusion needle 17, the 5th connecting hose 13 is entered through the 6th connecting hose 15, the 3rd three way cock 14, and flow along the 5th connecting hose 13, the first connecting hose 3 is entered after flowing through the second three way cock 7, first three way cock 6, finally flow through the first perforator 1 to enter in the blood taking bag be connected with the first perforator 1, complete blood sampling function.In this blood collection procedure, owing to being provided with flow regulator in the 5th connecting hose 13, i.e. roller type flow regulator 12, can regulate the blood flow in the 5th connecting hose 13 easily by the wheeled flow regulator 12 of adjustment roll.
When clinical need to carry out blood transfusion procedure time, the first perforator 1 puncture blood collecting bag is also attached thereto, and because blood taking bag is all flexible blood bag, can not produce negative pressure problem during blood transfusion, and therefore, the first perforator 1 does not need configuration aerofluxus branch road.During blood transfusion, first, close the liquid stopping clamp 2 in the first connecting hose 3, the roller type flow regulator 12 in blood sampling branch road i.e. the 5th connecting hose 13 is regulated in closed condition, then, open the fixed cap 46 on the second perforator 4, the puncturing head 44 on the second perforator 4 is utilized to carry out the infusion bottle of puncture splendid attire normal saline, open the second connecting hose 5, after liquid stopping clamp 2 in 3rd connecting hose 8, namely normal saline flows through the second connecting hose 5 successively, first three way cock 6, second three way cock 7, enter in dropping funnel 10 after 3rd connecting hose 8, the normal saline flowed out from dropping funnel 10 flows through the 4th connecting hose 9 successively, 3rd three way cock 14, 6th connecting hose 15, 7th connecting hose 16, last from transfusion needle 17 discharge line system, thus complete the flushing of pipeline, also complete exhaust process and the safety inspection of pipeline water clock of Blood transfusion tubeline simultaneously.After flushing line, close the liquid stopping clamp 2 in the second connecting hose 5, open the liquid stopping clamp 2 in the first connecting hose 3, blood in blood taking bag enters in dropping funnel 10 after namely flowing through the first connecting hose 3, first three way cock 6, second three way cock 7, the 3rd connecting hose 8 successively, flow out from dropping funnel 10 after being filtered by the drainage screen 11 in dropping funnel 10, flow through the 4th connecting hose 9, the 3rd three way cock 14, the 6th connecting hose 15, the 7th connecting hose 16 more successively, finally export to patient body from transfusion needle 17, thus complete blood transfusion function.After completing blood transfusion, close the liquid stopping clamp 2 in the first connecting hose 3, open the liquid stopping clamp 2 in the second connecting hose 5, normal saline in infusion bottle flows out the second perforator 4 and enters the second connecting hose 5, then the first three way cock 6 is flowed through successively, second three way cock 7, enter in dropping funnel 10 after 3rd connecting hose 8, the normal saline flowed out from dropping funnel 10 flows through the 4th connecting hose 9 more successively, 3rd three way cock 14, 6th connecting hose 15, 7th connecting hose 16, finally export to patient body from transfusion needle 17, thus complete the flushing of Blood transfusion tubeline, and blood residual in Blood transfusion tubeline system is defeated by patient, decrease the waste of blood.In transfusion procedure, owing to being provided with flow regulator in the 4th connecting hose 9, i.e. roller type flow regulator 12, the blood flow in the 4th connecting hose 9 can be regulated easily by the wheeled flow regulator 12 of adjustment roll, thus transfusion speed is controlled, ensure that the safety of blood transfusion.
The blood of the present embodiment is adopted blood exchange transfusion set and no matter is being carried out in the operating process of taking a blood sample or transfusing blood, and can be regulated the blood flow of blood sampling, blood transfusion by roller type flow regulator 12 easily.When blocking or blood coagulation appear in pipe-line system, standard female cone nipple 19, the standard outer cone nipple 20 that can be cooperatively interacted by rotation, to complete the quick-replaceable of transfusion needle 17 or whole tool pipeline.When the second perforator 4 be in quit work state time, helmet 18 can be adopted to cover puncturing head 44 on the second perforator 4, to prevent the pollution of the second perforator 4.
Embodiment 2
Blood as shown in Figure 6, Figure 7 adopts blood exchange transfusion set, the 4th connecting hose 9 is socketed elastic ball 21 as flow regulator, described elastic ball 21 arranges through hole 22, and described 4th connecting hose 9 runs through through hole 22.In order to more be convenient to direct, the express close operation of the 4th connecting hose 9, can increase in the 4th connecting hose 9 and liquid stopping clamp 2 is set.As for the flow regulator in the 5th connecting hose 13, both can adopt elastic ball 21 with reference to the 4th connecting hose 9 and make it to be used in combination with liquid stopping clamp 2, also can adopt roller type flow regulator 12.Other structures are with embodiment 1.
Compared with embodiment 1, the blood in the present embodiment adopt blood exchange transfusion set carrying out taking a blood sample, blood transfusion procedure time, if need the fluid flow in adjustment the 4th connecting hose 9 or the 5th connecting hose 13, only need to extrude elastic ball 21.Extrude the 4th connecting hose 9 or the 5th connecting hose 13 after elastic ball 21 pressurized, thus the flow in the 4th connecting hose 9 or the 5th connecting hose 13 is changed, reach the object of adjust flux with this.Other operations, with embodiment 1, do not repeat them here.It should be noted that, in order to laborsaving during extrusion operation, described elastic ball 21 can preferably adopt medical grade rubber or medical TPE to make.Through hole 22 on described elastic ball 21 can be circular port, also can be slotted eye, and through hole 22 adopts slotted eye than circular port rapid operation more.
Embodiment 3
Blood as shown in Figure 8 adopts blood exchange transfusion set, accesses one section of corrugated tube 23, and install elastic ball 21 as flow regulator in corrugated tube 23 inner chamber in the 4th connecting hose 9, described elastic ball 21 is arranged through hole 22 and the 4th connecting hose 9 is through.In order to more be convenient to direct, the express close operation of the 4th connecting hose 9, can increase in the 4th connecting hose 9 and liquid stopping clamp 2 is set.As for the flow regulator in the 5th connecting hose 13, both can adopt elastic ball 21 with reference to the 4th connecting hose 9 and make it to be used in combination with liquid stopping clamp 2, also can adopt roller type flow regulator 12.Other structures are with embodiment 1.
Blood in the present embodiment adopt blood exchange transfusion set carrying out taking a blood sample, blood transfusion procedure time, if need the fluid flow in adjustment the 4th connecting hose 9 or the 5th connecting hose 13, only need extruding to be arranged in the elastic ball 21 of corrugated tube 23.After elastic ball 21 pressurized, the through hole 22 on it will diminish, thus the flow in the 4th connecting hose 9 or the 5th connecting hose 13 is changed, and reach the object of adjust flux with this.Other operations, with embodiment 2, do not repeat them here.But compared with embodiment 2, the corrugated tube 23 of setting can increase the pliability of the 4th connecting hose 9 or the 5th connecting hose 13, effectively prevents pipeline from giving a discount, improve the reliability of adopting blood transfusion; And the elastic telescopic of corrugated tube 23 self also helps the extrusion abrasion alleviating elastic ball 21.Described corrugated tube 23 can select TPE forming materials, can ensure that corrugated tube 23 has high resilience, is conducive to again feature of environmental protection when blood adopts blood exchange transfusion set's waste treatment.
Adopting blood exchange transfusion set utilizing blood carries out in blood transfusion procedure process, blood in pipe-line system may containing impurity such as blood clots, after having blood clot to enter dropping funnel 10 inner chamber, be easy to be deposited on drainage screen 11, reduce the filter capacity of drainage screen 11, even cause drainage screen 11 to block, the blood flow in the pipe-line system causing dropping funnel 10 follow-up reduces.Now, if extrude dropping funnel 10 by force, be easy to make the impurity such as blood clot be forced through drainage screen 11 and enter in the follow-up pipe-line system of dropping funnel 10, finally along with the blood of flowing enters in human body, thus harmful effect caused to transfusion safety.In order to ensure transfusion safety, can the structure of dropping funnel 10 be designed to as shown in Figure 9, dropping funnel 10 one end is fixedly connected with input pipe 101, the other end is fixedly connected with outlet tube 105, in dropping funnel 10 inner chamber, be fixedly connected with dividing plate 103, dropping funnel 10 inner chamber is separated into separate filter chamber 102 and collecting chamber 106 totally two inner chambers by described dividing plate 103; Dividing plate 103 fixedly mounts conduit 104, and described conduit 104 is by filter chamber 102 and collecting chamber 106 conducting.Described drainage screen 11 can heat seal mode be fixedly mounted in the inner chamber of dropping funnel 10 input, and namely drainage screen 11 is fixedly mounted in filter chamber 102, and drainage screen 11 is between input pipe 101 and dividing plate 103.
As shown in Figure 9, after having the fluids such as blood to enter dropping funnel 10 from input pipe 101, first, by drainage screen 11, the fluid entered in filter chamber 102 is filtered, if contained not by the Large stone impurity of this drainage screen 11 in fluid, such as, in transfusion procedure, enter the blood clot that may contain Large stone in the blood of dropping funnel 10 inner chamber; In the infusion process of the higher protein-based fluid of viscosity, also earnest may be sunk containing the protein of Large stone in protein-based fluid, these will not be deposited on drainage screen 11 by the Large stone impurity of this drainage screen 11, the mesh of drainage screen 11 is easily caused to block, the filter capacity of drainage screen 11 is declined, causes the output flow of dropping funnel 10 to reduce, even cause in the follow-up pipeline of dropping funnel 10 and stop, have a strong impact on transfusion efficiency, and certain safety problem may have been brought.The fluid that can enter in filter chamber 102 enters in collecting chamber 106 through after conduit 104, outputs in the follow-up pipeline outside dropping funnel 10 eventually through outlet tube 105.
If the Impurity deposition amount on drainage screen 11 is too much, the output flow of dropping funnel 10 will greatly reduce, and even not export, and such as, during blood transfusion, the blood clot in blood is deposited on drainage screen 11 and causes drainage screen 11 to block.In this case, operator suitably can extrude the filter chamber 102 on dropping funnel 10, after filter chamber 102 pressurized shrinks, be deposited on the impurity such as the blood clot on drainage screen 11 will move upward, namely the direction of motion of the impurity such as blood clot is by contrary with the proper flow direction of fluid, thus force the impurity such as blood clot and drainage screen 11 to be separated from each other, recover the filter capacity of drainage screen 11, make the output flow of dropping funnel 10 recover normal.Because filter chamber 102 is after pressurized shrinks, the direction of motion being deposited on the impurity such as the blood clot on drainage screen 11 is contrary with the proper flow direction of fluid, therefore, the impurity such as blood clot can not be forced through drainage screen 11 and enter into collecting chamber 106, thus ensure that the impurity such as blood clot can not be exported by outlet tube 105, and finally enter into human body along with fluids such as blood, ensure that the reliability of transfusion, safety.Drainage screen 11 wherein can be designed to funnel-form, its relatively large end is arrival end, and the opening direction of arrival end is back to dividing plate 103, its relatively small end be the port of export, and the port of export is near dividing plate 103, so not only can increase the filter capacity of drainage screen 11, and the holding capacity to impurity such as blood clots can be improved, enhance the reliability of dropping funnel 10, safety.
The housing of described dropping funnel 10 preferably adopts TPE materials processing molding, dropping funnel 10 so not only can be made to have high transparent and extruding resilience, be convenient to when infusing, clearly to observe dripping of conduit 104 output count, improve infusion safety, and, also make dropping funnel 10 can Rapid reset after compressive deformation, ensure that dropping funnel 10 inner chamber has certain infusion pressure.In addition, after dropping funnel 10 uses, when needing to carry out waste treatment, even if carry out burning disposal, also can not produce the harmful substances such as hydrogen chloride, bioxin gas, thus be conducive to the environmental protection in dropping funnel 10 burning disposal process.
Between described dividing plate 103 and dropping funnel 10 housing, between input pipe 101 and dropping funnel 10 input, between outlet tube 105 and dropping funnel 10 outfan, between dividing plate 103 and conduit 104, both medical high polymer binding agent close adhesion can have been adopted integral, also can realize integrated molding by Mould Machining to connect, to reduce the production cost of dropping funnel 10.Described input pipe 101, outlet tube 105, dividing plate 103 and conduit 104 also preferably adopt TPE materials processing molding, so not only machine-shaping is easy, also be easier to realize close adhesion by medical high polymer binding agent, guarantee bonding strength is reliable, and the harmful substances such as hydrogen chloride, bioxin gas can not be produced in the burning disposal of dropping funnel 10, thus be conducive to environmental protection.
To sum up, owing to the second perforator 4 that blood adopts blood exchange transfusion set being arranged the inlet channel 42 of through puncturing head 44, and one-way air inlet film 48 is set in inlet channel 42 porch, therefore, blood in the present embodiment adopts the aerofluxus branch road that blood exchange transfusion set no longer needs independent configure band air filter, avoid the generation because of improper the caused pipeline discounting of aerofluxus shunt operations or air filter leakage situation, what improve blood adopts defeated efficiency, and effectively avoid blood to adopt pollution in defeated process, ensure that blood adopts defeated safety, reliability.Meanwhile, after blood transfusion completes, by operating the second perforator 4 and the blood remained in Blood transfusion tubeline can be rinsed well by liquid stopping clamp 2 easily, and make it to enter human body, thus decrease the waste of blood resource.In addition, blood adopts the first connecting hose 3, second connecting hose 5, the 3rd connecting hose 8, the 4th connecting hose 9, the 5th connecting hose 13, the 6th connecting hose 15, the 7th connecting hose 16 and helmet 18 in blood exchange transfusion set, TPE forming materials can be adopted, whole pipe-line system is not only made to have high transparent, be convenient to observation when adopting blood transfusion, improve the safety of adopting blood transfusion, and, adopt after blood exchange transfusion set uses at blood, even if carry out burning disposal, also can not produce the harmful substances such as hydrogen chloride, bioxin gas, thus be conducive to environmental protection.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, it should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an autoblood adopts blood exchange transfusion set, it is characterized in that: comprise blood sampling branch road, blood transfusion branch road, first perforator (1) and the second perforator (4) and transfusion needle (17), described blood sampling branch road, one end of blood transfusion branch road is all connected with the 6th connecting hose (15), described blood sampling branch road, blood transfusion branch road the other end respectively with the first perforator (1), second perforator (4) communicates, on connecting line between blood sampling branch road and the first perforator (1), connecting line between blood transfusion branch road and the second perforator (4) arranges liquid stopping clamp (2) respectively, described transfusion needle (17) is connected with the 7th connecting hose (16), described 6th connecting hose (15) with form screw thread between the 7th connecting hose (16) and be flexibly connected, described second perforator (4) is arranged the inlet channel (42) of through puncturing head (44), inlet channel (42) arranges one-way air inlet film (48), described blood sampling branch road and/or blood transfusion branch road arrange flow regulator.
2. a kind of autoblood according to claim 1 adopts blood exchange transfusion set, it is characterized in that: described flow regulator is roller type flow regulator (12).
3. a kind of autoblood according to claim 1 adopts blood exchange transfusion set, it is characterized in that: described flow regulator is elastic ball (21), described elastic ball (21) is arranged through hole (22), described blood sampling branch road and/or blood transfusion branch road run through through hole (22).
4. a kind of autoblood according to claim 1 adopts blood exchange transfusion set, it is characterized in that: described flow regulator is elastic ball (21), elastic ball (21) arranges through hole (22), blood sampling branch road and/or blood transfusion branch road arrange corrugated tube (23), and described elastic ball (21) is arranged on corrugated tube (23) inner chamber.
5. a kind of autoblood according to any one of claim 1-4 adopts blood exchange transfusion set, it is characterized in that: described second perforator (4) also comprises fixed support (45) with through hole and fixed cap (46), described fixed support (45) fixed seal connection is at inlet channel (42) entrance point, and through hole on fixed support (45) and inlet channel (42) mutually through, described one-way air inlet film (48) is fixedly mounted on the air inlet end of inlet channel (42) by fixed support (45), described fixed cap (46) and fixed support (45) are tightly connected to close fixed support (45) air inlet oral area, be separated from each other to open fixed support (45) air inlet oral area with fixed support (45).
6. a kind of autoblood according to claim 5 adopts blood exchange transfusion set, it is characterized in that: described fixed cap (46) cross sectional shape is T-shaped, forms interference fit between the through hole on its lobe and fixed support (45).
7. a kind of autoblood according to claim 5 adopts blood exchange transfusion set, it is characterized in that: arrange air-filtering membrane (49) between described fixed support (45) and one-way air inlet film (48).
8. a kind of autoblood according to any one of claim 1-4 adopts blood exchange transfusion set, it is characterized in that: described second perforator (4) is fixedly connected with grip part (41), and described grip part (41) are in trapezoidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296963.5A CN104888301A (en) | 2015-06-03 | 2015-06-03 | Autoblood collection and transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN105879133A (en) * | 2016-03-31 | 2016-08-24 | 四川南格尔生物科技有限公司 | Blood plasma virus inactivation device and method |
| CN109363752A (en) * | 2018-09-29 | 2019-02-22 | 江苏风和医疗器材股份有限公司 | A kind of sealing element and puncture outfit for puncture outfit |
| CN110393665A (en) * | 2019-08-06 | 2019-11-01 | 河南曙光汇知康生物科技股份有限公司 | A kind of disposable blood sampling translator |
| CN111617333A (en) * | 2020-06-05 | 2020-09-04 | 李霞 | Device for treating blood coagulation in venous pot in hemodialysis |
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| CN111617333A (en) * | 2020-06-05 | 2020-09-04 | 李霞 | Device for treating blood coagulation in venous pot in hemodialysis |
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