CN203139213U - Treatment type collecting device capable of removing erythrocytes - Google Patents

Abstract

The utility model relates to a treatment type collecting device capable of removing erythrocytes. The treatment type collecting device capable of removing the erythrocytes comprises a blood collecting needle, a puncturing device, a sampling device, a joint of a pressure monitoring device, a blood filtering device, a bacterium filtering device, a plasma transferring bag, an erythrocyte collecting bag, a four-way joint I and a blood separating cup. The exit end of the four-way joint I is connected with a collecting and sampling subcircuit, an anti-coagulation subcircuit, the blood filtering device and the joint of the pressure monitoring device. The plasma transferring bag is provided with an inlet structure and an outlet structure, wherein the inlet structure and the outlet structure are arranged vertically. A tee joint is arranged between the exit end of the blood filtering device and a blood pump pipe. A four-way joint II is arranged between a transparent probing flexible pipe and the plasma transferring bag. The entrance end of the tee joint is connected with the exit end of the blood filtering device and the erythrocyte collecting bag. The exit end of the tee joint is connected with an inlet joint of the blood separating cup through a pump pipe. An outlet joint of the blood separating cup is connected with the exit end of the four-way joint II through the transparent probing flexible pipe. The entrance end of the four-way joint II is connected with the inlet and the outlet of the plasma transferring and a liquid replenishing subcircuit. The treatment type collecting device only collects erythrocytes which need removing, transfuses all of plasma and tunica albuginea back to a patient and simultaneously, replenishes colloid and crystalloid solutions, wherein the quantity of the colloid and the crystalloid solutions is equal to that of the erythrocytes.

Description

The therapeutic type erythrocyte is removed harvester

Technical field

This utility model relates to a kind of medical treatment device, and particularly a kind of the and supporting use therapeutic type of blood constituent separation equipment erythrocyte is removed harvester.

Background technology

Along with going deep into of modern hematologic disease research, cause with the clinical manifestation is that skin purple and blood vessel and nervous system are that the cause of disease of polycythemia vera of feature is clear gradually, its root is that RBC number surpasses normal value in the peripheral blood, hemoglobin, packed cell volume be the active general hyperfunction disease of the corresponding a kind of agnogenio chronic progressive external bone marrow hematogenesis that increases also, belongs to the paraplasm neoplastic disease of myeloid tissue.The Therapeutic Principle makes red blood cell mass, total blood volume approach or reply normally, and mitigate the disease reduces complication; Traditional method mainly was row vein blood-letting and application is put, chemotherapy in the past, blood volume is down to normally, but its erious adverse reaction have the possibility that causes erythrocyte and the rising of platelet knock-on property after the blood-letting, singly put, chemotherapy easily makes erythrocyte decompose, and causes the dissolving syndrome.

Bloodletting is the initial step for the treatment of polycythemia vera and hemachromatosis, because it can reduce erythrocyte and whole blood volume quickly and effectively, improve symptom, but all want blood-letting 1～2 time weekly, because losing antithrombase in a large number, easily cause hypercoagulability, add thrombocytosis, higher hemorrhage and thrombotic danger is arranged, to old or the more difficult operation of patient of cardiovascular disease arranged, complication is many, the blood cell separator of using external import carries out the erythrocyte list to the patient and adopts art, can reduce erythrocyte number rapidly, improves clinical symptoms, prevention thrombosis, and the bound drug treatment is present perfect method.Therapeutic erythrocyte list is adopted art except the advantage with bloodletting, because it feeds back most of blood plasma in separating red corpuscle, reduce plasma protein, losing of thrombin etc., replenish a certain amount of colloid and crystalloid fluid simultaneously, when reducing patient's red blood cell volume load rapidly, dilute blood, alleviate high glutinous state, improve microcirculation, increase and organize oxygen supply, thereby alleviate clinical symptoms, reduce the chance of thromboembolism, clinical use proves, erythrocyte before and after separating, hemoglobin, packed cell volume is the difference significance more statistically, and this explanation erythrocyte list is adopted art and separated that to remove the erythrocyte effect remarkable, and leukocyte and platelet descend not obvious before and after separating, but import equipment and consumptive material are expensive, and often patient's economic pressures for the treatment of are big.

The equipment that domestic prior art is separated blood constituent and consumptive material development have entered a new height, on safety, reliability near foreign level.But remove erythrocytic collecting device at therapeutic separately and consumptive material also is in the starting stage.

Summary of the invention

In view of domestic prior art has been advanced near foreign level equipment and consumptive material development that blood constituent separates, but separately remove the present situation that erythrocytic collecting device and consumptive material also are in the starting stage at therapeutic, the purpose of this utility model is that a kind of gather the removing for treatment of design carried out blood plasma and fed back and provide operation ease, the convenient back feedback process of gathering to replenish colloid and crystalloid fluid in the erythrocyte process, blood volume balance when keeping treatment, the device of reduction packed cell volume and blood viscosity.

This therapeutic type erythrocyte is removed harvester, comprise the four-way I, the blood plasma transfering bag, the erythrocyte collecting bag, the blood separation cup, and by blood taking needle, liquid stopping clamp, sampler, perforator, biofilter, blood filter, the collection sampling slip that the pressure monitor joint constitutes, the anticoagulant branch road, three branch roads of blood filter and pressure transducer joint, the four-way I goes out end and connects above-mentioned three branch roads respectively, it is characterized in that the blood plasma transfering bag has up and down, export structure, blood filter goes out between end and the blood pump line threeway is set, between transparent detection flexible pipe and the blood plasma transfering bag four-way II is set, the end of going into of threeway goes out end with blood filter and links to each other with the erythrocyte collecting bag, three pass-out ends link to each other with blood separation cup inlet union through pump line, blood separation cup outlet connection goes out end through the hose connection four-way II of transparent detection, and the four-way II is gone into end and connected blood plasma transfering bag upper inlet respectively, following outlet and liquid replenish branch road.

Operation principle of the present utility model is as follows:

Therapeutic type erythrocyte of the present utility model is removed harvester and blood separator is used, when the blood of blood taking needle collection enters four-way connection, the anti-freezing liquid that inserts with perforator mixes, form anticoagulation, at this moment, pressure monitor joint monitoring blood pressure, blood separator is adjusted peristaltic pump speed automatically, and anticoagulated blood enters the blood separation cup by blood filter, separate cup joint and carries out centrifugalize.Isolate interior light outer heavy blood plasma, tunica albuginea, erythrocyte layer centered by the separate cup axle at separate cup, plasma fraction after the lightest plasma fraction overflows by the blood plasma overflow channel, enters blood plasma transfering bag by lower inlet at the axis part that leans on of separation chamber.Along with the separate cup that constantly pumps into of anticoagulated blood separates, when the blood constituent in the transparent detection flexible pipe be detected overflow a small amount of erythrocyte after, blood collection stops, machine is adjusted the flexible pipe switching programme, open erythrocyte collecting pipe and blood plasma transfering bag upper inlet pipe, close blood filter and go out to hold flexible pipe and blood plasma transfering bag lower inlet pipe, blood pump begins to feed back the interior erythrocyte of separate cup and enters the erythrocyte collecting bag, filtrated air is got back to separate cup by blood plasma transfering bag upper inlet pipe in the blood plasma transfering bag, to keep separate cup internal pressure balance, weighed the erythrocyte collecting bag of weight by blood separator after obtaining weight, opening entry blood pump revolution, after erythrocyte is collected and is finished, close erythrocyte collecting pipe and blood plasma transfering bag upper inlet pipe, opening blood filter goes out to hold flexible pipe and liquid to replenish branch road, the peristaltic pump revolution carries out colloid and crystalloid fluid by same number of revolutions and feeds back and replenish when collecting according to erythrocyte, after additional revolution reaches, machine is adjusted the flexible pipe switching programme again, close additional flexible pipe, open blood plasma transfering bag lower inlet pipe, with the blood plasma in the blood plasma transfering bag, tunica albuginea feeds back patient fully by separate cup, after separate cup is cleared, begin the collection of next circulation, remove, the feedback process, reach setting value, termination routine up to removing total amount.Because colloid and the crystalloid fluid of the erythrocyte equivalent of replenishing and removing do not change patient's blood volume, more can guarantee therapeutic process safety.Only gather the red blood cell component that needs removing, all blood plasma and tunica albuginea composition that the feedback incipient stage overflows avoid losing beneficiating ingredients such as plasma protein, thrombin.

The blood separation cup can be selected the low capacity of different size or the separating plasma cup of normal capacity, and patient's extracorporeal circulation of blood amount is further guaranteed safety when being conducive to reduce treatment.

This utility model is by the technical measures of above structure, make to gather to remove to carry out blood plasma in the erythrocytic process and feed back, and after collection the feedback process replenish the operation of colloid and crystalloid fluid simpler, convenient, improved processing safety.Simultaneously, have advantage simple in structure, that consumables cost is lower, alleviated patient's financial burden, satisfied the corresponding demand of present blood separation, processing links.

Description of drawings

Fig. 1 is that this utility model therapeutic type erythrocyte is removed harvester assembly structure sketch map.

Among the figure: 1 blood taking needle, 2 four-way I, 3 vacuum samplers, 4 perforators, 5 biofilters, 6 blood filters, 7 pressure monitor joints, 8 blood pump lines, 9 anticoagulant pump lines, 10 four-way II, 11 spacing card 12 threeways 13 blood plasma transfering bags 14 erythrocyte collecting bags 15 blood separation cups 16 transparent detection flexible pipe 17 perforators 18,19 liquid stopping clamps

The specific embodiment

Embodiment 1

This therapeutic type erythrocyte is removed harvester as shown in Figure 1, is made of blood taking needle 1, four-way 2, vacuum sampler 3, perforator 4, biofilter 5, blood filter 6, pressure monitor joint 7, blood pump line 8, anticoagulant pump line 9, four-way 10, spacing card 11, three way cock 12, blood plasma transfering bag 13, erythrocyte collecting bag 14, blood separation cup 15, transparent detection flexible pipe 16, perforator 17, liquid stopping clamp 18,19.Blood taking needle 1, liquid stopping clamp 18, four-way connection 2, vacuum sampler 3, liquid stopping clamp 19 constitute blood collection, sampling slip; Perforator 4, biofilter 5 constitute the anticoagulant branch road; Blood filter 6, pressure monitor joint 7 constitute blood filtration and pressure monitoring sensor branch road.Four-way 2 goes out end and connects sampling slip, anticoagulant branch road, blood filter and three branch roads of pressure monitoring sensor connector respectively.Between blood filter 6 ends and the blood pump line 8 threeway 12 is set, threeway 12 go into that end goes out end with blood filter 6 and erythrocyte collecting bag 14 links to each other, threeway 12 goes out end and links to each other with blood separation cup 15 inlet union through pump line 8, described blood plasma transfering bag 13 has import and export structure up and down, blood separation cup 15 outlet connections connect four-ways 10 through transparent detection flexible pipe 16 and go out end, and four-way 10 is gone into end and connected blood plasma transfering bag import and export transporting hose and perforator 17 about in the of 13 respectively.Four-way 10, perforator 17 and transporting hose constitute liquid and replenish branch road.

Claims (2)

1. a therapeutic type erythrocyte is removed harvester, comprise four-way I (2), blood plasma transfering bag (13), erythrocyte collecting bag (14), blood separation cup (15), and by blood taking needle (1), liquid stopping clamp (18), sampler (3), perforator (4), biofilter (5), blood filter (6), the collection sampling slip that pressure monitor joint (7) constitutes, the anticoagulant branch road, three branch roads of blood filter and pressure transducer joint, the four-way I goes out end and connects above-mentioned three branch roads respectively, it is characterized in that blood plasma transfering bag (13) has up and down, export structure, blood filter (6) goes out between end and the blood pump line (8) threeway (12) is set, between transparent detection flexible pipe (16) and the blood plasma transfering bag (13) four-way II (10) is set, the end of going into of threeway (12) goes out to hold with blood filter (6) and links to each other with the erythrocyte collecting bag, threeway (12) goes out end and links to each other with blood separation cup (15) inlet union through pump line (8), blood separation cup (15) outlet connection connects four-way II (10) through transparent detection flexible pipe (16) and goes out end, and four-way II (10) is gone into end and connected blood plasma transfering bag (13) upper inlet respectively, following outlet and liquid replenish branch road.

2. therapeutic type erythrocyte according to claim 1 is removed harvester, it is characterized in that liquid replenishes a route perforator (17), four-way II (10) and transporting hose and constitutes.

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