CN104689403A - Suspended retransfusion set - Google Patents

Suspended retransfusion set Download PDF

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Publication number
CN104689403A
CN104689403A CN201410193776.XA CN201410193776A CN104689403A CN 104689403 A CN104689403 A CN 104689403A CN 201410193776 A CN201410193776 A CN 201410193776A CN 104689403 A CN104689403 A CN 104689403A
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China
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blood
tank
storage
filter screen
negative
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CN201410193776.XA
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Chinese (zh)
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杨海龙
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Individual
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Priority to CN201410193776.XA priority Critical patent/CN104689403A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
    • A61M1/3633—Blood component filters, e.g. leukocyte filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3672—Means preventing coagulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3672—Means preventing coagulation
    • A61M1/3673—Anticoagulant coating, e.g. Heparin coating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/38—Removing constituents from donor blood and storing or returning remainder to body, e.g. for transfusion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/0021—Special media to be introduced, removed or treated removed from and reintroduced into the body, e.g. after treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
    • A61M2202/0413—Blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/75—General characteristics of the apparatus with filters

Abstract

The invention discloses a suspended retransfusion set, and belongs to the technical field of medical equipment and supplies. A clinical washing type autotransfusion technology has allogeneic transfusion shortcomings and plasma protein and coagulation factor loss; a simple method of manual filtering operation by multiple operators is frequently adopted for the conventional filtering type autotransfusion technology, and is exposed and high in pollution rate. The suspended retransfusion set consists of a negative-pressure suction pipeline, a blood recovery pipeline, a retransfusion pipeline and an automatic anticoagulant transfusion device, wherein the negative-pressure suction pipeline consists of a negative-pressure pipe, a negative-pressure conversion bottle, a negative-pressure indicator and a regulator, and is communicated with an upper filter screen gap through an internal opening of the negative-pressure pipe; the blood recovery pipeline comprises a suction head, a blood inlet pipe, a coarse filter screen, a fine filter screen, the upper filter screen gap, a blood storage tank, a blood storage tank air inlet pipe, a blood transfusion three-way valve and the like; the automatic anticoagulant transfusion device comprises a medicine storage tank, a medicine transfusion pipe, a medicine transfusion pipe grading valve, a blood inlet pipe-medicine transfusion pipe synchronization valve and the like. The suspended retransfusion set has the advantages of integrated design, automatic anticoagulant transfusion function, high recovered blood quality, high operability, high emergent treatment performance and the like.

Description

Suspension returns blood exchange transfusion set
Art
The present invention relates to medical apparatus and instruments, be specifically related to the equipment of intraoperative autotransfusion of self blood of hemorrhage feedback in choosing date for operation for emergency operation, Clinical Surgery such as caused splanchnocoel massive hemorrhage, the hemorrhagic shocks such as traumatic hemothorax, traumatic abdominal part parenchymatous organic rupture, thorax abdomen angiorrhexis, orthopaedic trauma, rupture of corpus luteum and ectopic pregnancy.
Background technology
Along with China step into aging society gradually, the novel highly difficult operation of surgery constantly carries out and quantity of performing the operation increases, the deficient problem in clinical blood source becomes comparatively outstanding.In recent years by intraoperative autologous blood transfusion technology that western countries' medical circle is praised highly [1]extensive use in surgical field [2,3], be one of effective measures alleviating blood source anxiety.The hospital of external advanced person, autotransfusion rate accounts for more than 50%, and domestic gap is larger. [4]compared with allogeneic transfusion, intraoperative autologous blood transfusion technology has following advantage: 1. feed back autoblood and do not need transhipment, distribution type, histocompatibility and disease test, can provide rapidly the blood source of room temperature; 2. can avoid inputing blood malpractice by mistake and occurring without the medical tangle that blood sampling qualification causes; 3. stopped allogeneic transfusion reaction, without the heating occurred after blood transfusion, allergy, the anti-host response of transplanting and hemolytic reaction etc.; [2]also avoid the immunosuppressant that defeated foreign body blood produces [5], metabolic acidosis, the complication such as low calcium or hyperpotassemia [6]and hepatocyte injury [7]; 4. can avoid the multiple infectious disease that allogeneic transfusion causes, as: acquired immune deficiency syndrome (AIDS), post-transfusion hepatitis, kala azar, syphilis, malaria, toxoplasma etc.; [8]5. the vigor of cell is good, and oxygen carrying capacity is high; [6]ensure that the oxygen of vitals supplies; 6. it starts fast, avoids blood supply especially not in time or the danger of blood source scarcity, improve the salvage success rate of massive hemorrhage operation in rural area; 7. can solve the shortage of blood source difficult, particularly the middle and small hospital emergency treatment blood of outlying mountain area, pastoral area, battlefield or Rh positive blood group distribution type difficulty; 8. make the believer of religion not accepting allogeneic transfusion also can give and accept; 9. can save a large sum of medical expense; 10. reduce the workload of blood bank personnel; 11. is easy and simple to handle, is easy to promote.As long as emergency operation meets transfusion indication (i.e. hemorrhage >=600mL), recovery type autotransfusion can be adopted. [4]recovery type autotransfusion is divided into washing type and filtration type (also known as untreated, non-washing type) blood recovery.
Washing type blood recovery technology is that to reclaiming, blood cleans, is separated, concentrated most blood plasma, cell debris, free hemoglobin and the anticoagulant removed is divided in a waste fluid bag with bolld return trans fusion machine, concentrated hemocyte then enters in storage blood bag, the blood in storage blood bag in art or postoperative direct feedback to patient.Compared with filtration type blood recovery, washing type blood recovery advantage eliminates harmful substance in the blood such as bib, but there is not enough place: 1. owing to being separated-washing the loss making plasma protein, the colloid osmotic pressure of blood reduces, suitably colloidal solution, blood plasma and albumin should be supplemented, to avoid tissue edema after a large amount of feedback; [9]the effect of first aid dilatation treatment massive hemorrhage, hemorrhagic shock can decline and not easily continue; 2., not containing platelet and thrombin, a large amount of blood that feeds back should keep a close eye on coagulation disorders, monitoring coagulation indexes; [9] [11]there is bibliographical information [10], when Washed Autologous Blood Transfusion amount is at 800-1200ml, blood prothrombin time (PT) and partial thromboplastin time (APTT) all obviously extend, art one day after in recover normal after defeated allosome blood plasma 200-400 milliliter; Therefore when feeding back blood > 800ml, need suitably to supplement blood plasma and platelet; [11]3., because there being necessity of supplementary allosome blood plasma, hidden danger and the drawback of allogeneic transfusion can not be stopped; 4. expensive, complex operation, needs special technician, not easily popularizes at rural hospital.
Filtration type blood recovery is that autologous blood feeds back to patient after anticoagulant, filtration.Filtration type blood recovery technology has the following advantages: 1. easy and simple to handle, expense is low, do not need special technician; 2. containing function erythrocyte, platelet, thrombin and plasma protein, without the anxiety of coagulation disorders, without the need to supplementary blood plasma or platelet; Have blood components and effect, shock capacity enlargement effect is got well and is continued; 3. can stop allogeneic transfusion hidden danger and drawback.Especially in basic hospital and wartime, the emergency function of the massive hemorrhage such as, ectopic pregnancy hemorrhage for traumatic hemothorax, traumatic abdominal cavity parenchymatous organic rupture, thorax abdomen angiorrhexis, hemorrhagic shock is remarkable, can improve salvage success rate.Wang Yongzhen etc. [12]summarize the appliance experience of filtration type intraoperative autologous blood transfusion in the routine Acute intra-abdominal hemorrhage art of gynecological 82; think that filtration type intraoperative autologous blood transfusion plays very positive effect in rescue induced by acute hemorrhagic shock patient; without obvious side reaction and severe complication in clinical practice, a kind of method being safe and effective, cost saving and being worthy to be popularized.Filtration type blood recovery is caused to the dispute of coagulopathy, Walpoth-Aslan N etc. [13]research finds under normal circumstances, and filtration type blood recovery can not produce obvious impact to body anticoagulating activity.For preclude blood, to feed back the sodium citrate coexisted poisoning [14], can simultaneously infusion calcium chloride, ratio is 1: 10 [15].Pulmonary's problem can be caused for micro-polymers such as fat drop, foreign body, cell membrane and bone marrow, when applying in suggestion orthopaedic surgery, for avoiding micro-bolt particularly fat embolism, (< 40 μm) filter should be used during feedback, and abandon last several milliliters of blood. [15]the internal hemorrhage that the simple parenchymal viscera of abdominal part or angiorrhexis cause, generally fat-free, foreign body, micro-polymers existence such as bone marrow anxiety.Vagianos etc. [16]think application filtration type for reducing haemolysis when feeding back blood, suction pressure low (< 150mmHg) and few suck, its feedback amount is preferably no more than 2L.
Existing filtration type return blood exchange transfusion set exist design dispersion, loose, impracticable, need add staff or human assistance operation, there is no the defects such as the automatic infusion device of anticoagulant; Most hospitals filtration type autoblood transfusion technology still continues to use easy method, the steps include: to filter with blood transfusion funnel built-in 8-10 layer sterile gauze after reclaiming blood adds anticoagulant mixing, then is defeated by patient after blood exchange transfusion set 40-60 μm strainer filtering. [17,18]this method reclaimer operation is loaded down with trivial details, needs multi agent cooperation, exposes operation and easily causes pollution.Tao Lili etc. [19]report in the 102 pregnant intraoperative catheterization cases implemented by method have postoperative appearance of 20 example to generate heat, through Comprehensive Treatment after 1 week body temperature be down to normally; Blood is contaminated is one of its possible reason.Various places hospital has special filtration type to return the demand of transfusion set and the appealing of use more [11,20,21,22,23,24,25,26,27].
Summary of the invention
The object of the invention is to: research and development one integrates filtered and recycled, storage blood, anticoagulant and blood feed back function, workable, emergency function good, the measured filtration type of feedback blood matter returns blood exchange transfusion set, with meet rapid emergency treatment intraoperative autologous blood transfusion and clinical operation section office in massive hemorrhage art choose date for operation in the needs of hemorrhage feedback.
Technical solution of the present invention is: this suspension return blood exchange transfusion set by negative-pressure suction pipeline, blood reclaim line, blood recirculation line (and/or) the automatic infusion device of anticoagulant forms.It is characterized in that: negative-pressure suction pipe route connects the negative tube of lacuna on filter screen, negative tube adapter, negative pressure indicator, draft regulator, negative pressure conversion bottle and negative pressure source formation, by negative tube internal orifice and lacuna on filter screen or store up blood tank and communicate.Blood reclaim line by lacuna on filter screen, storage blood tank, coarse strainer, fie screen, filter screen support plate, deflector, exhaustor, enter blood vessel, enter blood vessel take over, enter blood vessel valve or enter blood vessel-grug transportation tube synchronous valve, a filter screen set of sucking blood forms; Enter blood vessel and lacuna on filter screen or store up blood tank and communicate through entering intravascular oral; Coarse strainer, fie screen, filter screen support plate separate lacuna on storage blood tank and filter screen, and exhaustor is communicated with storage blood tank and lacuna on filter screen by exhaustor collar extension or is communicated with and to store up on blood tank room and to store up under blood tank room or be communicated with gap on filter screen, store up on blood tank room and room under storing up blood tank with exhaustor internal orifice.Blood recirculation line by storing up blood canister incoming gas hole, storage blood canister incoming gas hole air filter disc, storage blood canister incoming gas hole seal turncap, storage blood canister incoming gas pipe, storage blood tank blood outlet, blood transfusion three-way valve, blood exchange transfusion set's interface, blood exchange transfusion set's interface turncap, spare interface, spare interface turncap are formed; Top, room under storage blood canister incoming gas pipe internal orifice is opened on storage blood tank top or stores up blood tank; Blood transfusion three-way valve is connected with storage blood tank by storage blood tank blood outlet, is connected again by blood exchange transfusion set's interface with blood exchange transfusion set; After feeding back blood startup, turn on storage blood canister incoming gas hole sealing turncap, open storage blood canister incoming gas hole.The automatic infusion device of anticoagulant comprises anticoagulant medicine storing pot, grug transportation tube, enters blood vessel the dosing mouth turncap of grug transportation tube synchronous valve, grug transportation tube stepping valve, dosing mouth and band air filter disc; Grug transportation tube is connected by grug transportation tube internal orifice with loading tank, is opened on into blood vessel collar extension again by grug transportation tube collar extension.Embodiment two adds the automatic infusion device of anticoagulant for embodiment one.Embodiment three is for embodiment two basis adding storage blood tank is separated, and storage blood tank is separated into room under room on storage blood tank, storage blood tank, two Room are communicated by row's blood vessel, exhaustor, and lacuna on room, lower room and filter screen is stored up on blood tank in exhaustor connection; Storage blood tank two chamber function opposite independent.Medicine storing pot or filter screen arrange suspender above lacuna.In addition, thick, fie screen also can adopt that soft net bag-shaped is thick, fie screen, namely slightly, the fine filtering string bag; Its structure then omits coarse strainer, fie screen, filter screen support plate, deflector and exhaustor or exhaustor internal orifice two in above-mentioned design, and exhaustor internal orifice one becomes exhaustor internal orifice, room under room, storage blood tank on exhaustor connection storage blood tank; The coarse filtration string bag is nested with in the fine filtering string bag, both directly with enter intravascular oral and connect; Also three embodiments are divided.
Related content and the change interpretation of technique scheme are as follows:
1., in technique scheme, suspension returns blood exchange transfusion set under suspended state, completes autologous blood anticoagulant, filtration, recovery, storage blood and feedback, does not need auxiliary operation.
2. in technique scheme, making such as storage blood tank and anticoagulant medicine storing pot rigid plastics, polyethylene from high pressure process etc., storage blood tank skin is enough thick in can bear atmospheric pressure; Preferably, storage blood tank dischargeable capacity is set as 2000ml, and storage blood tank is marked with volume scale; Medicine storing pot volume settings is 400ml.
3. negative-pressure suction pipeline, blood reclaim line, blood recirculation line (and/or) to paste storage blood tank be integrated form integrated design to the automatic infusion device bag of anticoagulant.
4. in technique scheme, anticoagulant grug transportation tube internal orifice is arranged on medicine storing pot lowest part, is namely positioned at feedback blood vessel road and arranges side, design in row wall; Slightly, fie screen and deflector outflow place be arranged on back Blood transfusion tubeline near storage blood tank skin and arrange side, and high bit is arranged filter screen side screen support plate far away (especially near negative tube internal orifice place) is domatic, flows to filter screen to make blood.
5. in technique scheme, two filters set one thick one thin, and coarse filter adopts the filter screen being less than 170 μm, and fine cleaner adopts the filter screen of≤40 μm, and blood transfusion standard is transfused blood net; [15]orthopedics's product filter screen of 40 μm.Slightly, fie screen all adopts certain area plate Rotating fields to be to expand screen area, reduces fie screen and blocks incidence rate; Slightly, the design of fie screen bias and below it deflector arrange, the blood recirculation line that blood flow can be drained to low level arranges side, and blood is flowed down along the storage blood tank skin that slightly tilts, causes haemolysis to reduce directly to fall to hit and affects and feed back blood quality with bubble formation.Alternatively, can omit coarse strainer, fie screen, filter screen support plate, deflector, exhaustor or steam vent internal orifice two, exhaustor internal orifice one becomes exhaustor internal orifice; Slightly, fie screen adopts that soft net bag-shaped is thick, fie screen, namely slightly, the fine filtering string bag, thick, the fine filtering string bag are nested with rear directly with enter intravascular oral and be connected, reveal all the details portion and tank skin of fine-structure mesh is fixed; Enter intravascular oral to be arranged on blood recirculation line near storage blood tank skin and to arrange side, borrow the weight because of blood recirculation line to cause storage blood tank and tilt, making to reclaim blood can conclinal storage blood tank skin trickling, avoids directly falling and hits and bubble formation, can ensure to feed back blood quality.Alternatively, between the coarse strainer that supports of filter screen support plate and fie screen, the froth breaking net of defoamer can be provided with between the coarse filtration string bag and the fine filtering string bag.
6., in technique scheme, setting recovery 2000 milliliters of blood need 5 minutes.Embodiment one, two feeds back blood after first reclaiming blood; Embodiment three starts feedback blood at recovery blood after one minute.Under setting storage blood tank, chamber vol is 400ml, reclaims after blood operates one minute and fills; It is enough large that the design of row blood hole separated by storage blood tank, can fill room under storage blood tank between a moment.Experiment shows: diameter 8mm, and under action of gravity, 400ml blood fills about room under storage blood tank about needed for 12 seconds.Embodiment three is stored up blood tank and is separated into upper and lower two Room, function opposite independent, can shorten and reclaim the interval time that blood starts and feedback blood starts; But separation row blood hole and steam vent internal orifice reclaim blood and return blood transfusion procedure and can not carry out when opening simultaneously.
7. in technique scheme, the automatic infusion device of anticoagulant of the present invention is according to recovery blood flow, reclaim the caliber of blood and anticoagulant conveyance conduit, length and height, the intake resistance that air filter disc produces, the parameters such as the viscosity of blood and anticoagulant, the functional relationship setting anticoagulant according to fluid mechanics principle adds in recovery blood by 1: 5 or 1: 7 volumetric ratio; Correct by experiment after functional relationship calculates and draw related data.
8., in technique scheme, before the operation of recovery blood, the blood vessel-grug transportation tube synchronous valve of entering entering blood vessel adapter far-end is arranged at closed condition, first regulates set negative pressure value.Enter blood vessel-grug transportation tube synchronous valve ensure grug transportation tube and enter blood vessel synchronous opening/closing, to realize the function of synchronously adding anticoagulant when reclaiming blood all the time in proportion; Grug transportation tube stepping valve relates to the keying of grug transportation tube and the adjustment of different flow (1: 5 and 1: 7), with meet dissimilar anticoagulant in proportion infusion and avoid without air during anticoagulant infusion enter recovery blood in.
9. in technique scheme, storage blood canister incoming gas pipe is connected to storage blood canister incoming gas mouth, top, room under storage blood canister incoming gas pipe internal orifice is opened on storage blood tank top or storage blood tank; Storage blood canister incoming gas mouth arranges air filter disc, joins sealing turncap, the latter's storage blood capable of blocking canister incoming gas mouth.
10. in technique scheme, negative pressure source refers to the device and the equipment that provide negative pressure, such as vacuum extractor and concentrated negative pressure system; The draft regulator of adjustable negative pressure value, negative pressure indicator and negative pressure conversion bottle is set between negative pressure connection tube and negative pressure source, obtains the concrete numerical value of negative pressure value by experiment according to pre-determined recovery blood flow; Negative pressure conversion bottle can be avoided blood to mistake because of blood operation and be inhaled into negative pressure source or concentrated negative pressure system under negative pressure state.
In 11. technique scheme, a filter screen set of sucking blood is short cylinder sleeve structure, and there is countless small holes on surface, prevents from blocking coarse strainer for filtering tiny clot.
12. from duty, function setting and integrated angle design profile of the present invention: get the assembly that profile is the cylindrical class hemispherical adding bottom and the class right-angle prismatic post be attached thereto; Class right-angle prismatic post one rectangle face is parallel to back blood exchange transfusion set's end face and the hemispheric vertex (vertices) portion of concordant storage blood tank class, it is arranged storage blood tank blood outlet; Another plane of right-angle prismatic post is then vertical with returning blood exchange transfusion set's end face.
In 13. technique scheme, blood exchange transfusion set's interface also can be exempted, and blood exchange transfusion set directly connects with blood transfusion three-way valve.
14. medicine storing pot medicine-pouring ports pull double duty, and for the filling of anticoagulant before using, when reclaiming blood, air enters medicine storing pot after being arranged on the air filter disc filtration sterilization on main mouth turncap, ensures the unobstructed of anticoagulant infusion.
In 15. technique scheme, outage emergency operation and battlefield first aid operation, can be aided with artificial negative pressure device and carry out the operation of recovery blood.
The present invention has the following advantages: 1. store up the design of blood tank locellus, two locellus function opposite independent, and feed back blood and start fast, can improve operation and the first aid success rate of massive hemorrhage, emergency treatment is good; 2. integrated form integrated design, integrates the automatic infusion device of recovery, refluxing device and anticoagulant, reasonable in design, compact conformation, and function links up, and good looking appearance; 3. suspension duty design, do not need artificial negative pressure recovery blood, recovery blood changes bottle, the auxiliary operations such as blood exchange transfusion set of rocking, be inverted or be shifted back, save staff, nurse one on duty enters and can operate calmly as common blood transfusion and supervise, workable; 4. configuring the automatic infusion device of anticoagulant, the anticoagulant added being made to be 1: 5 or 1: 7 volumetric ratio with reclaiming blood; Owing to there being synchronous anticoagulant in proportion to add function, except the emergency operation of and hemorrhagic shock patient hemorrhage for surgery, department of obstetrics and gynecology, the recovery that also can be used for losing blood in the choosing date for operation of the surgical departments such as surgery, department of obstetrics and gynecology feeds back; 5. deflector or the adherent fine filtering string bag are set, blood is flowed down along tank skin, can avoid falling hitting and to cause haemolysis with bubble formation and occur, can ensure to feed back blood quality; 6., after configuring artificial negative pressure device negative pressure indicator and draft regulator, can be used for battlefield first aid operation or outage massive hemorrhage case emergency operation.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one structural representation
Fig. 2 is the embodiment of the present invention two structural representation
Fig. 3 is the embodiment of the present invention three structural representation
Fig. 4 is the embodiment of the present invention four structural representation
Fig. 5 is the embodiment of the present invention five structural representation
Fig. 6 is the embodiment of the present invention six structural representation
The structural representation of Fig. 7 grug transportation tube stepping of the present invention valve
In Fig. 1: 5 negative tube internal orifices, 6 negative tubes, 7 negative tube adapters, lacuna on 8 filter screens, 9 storage blood tanks, 10-1 fie screen, 11-1 coarse strainer, 12 filter screen support plates, 13 deflectors, 14 exhaustors, 15 exhaustor internal orifices, 16 exhaustor collar extensions, 17 enter intravascular oral, 18 enter blood vessel, 19 enter blood vessel adapter, 20 enter blood vessel collar extension, 21 enter blood vessel valve, 22 suck blood a filter screen set, 23 storage blood canister incoming gas holes, 24 storage blood canister incoming gas hole filter discs, 25 storage blood canister incoming gas hole sealing turncaps, 26 storage blood canister incoming gas pipes, 27 storage blood canister incoming gas pipe internal orifices, 28 storage blood tank blood outlets, 29 blood transfusion three-way valve, 30 blood exchange transfusion set's interfaces, 31 blood exchange transfusion set's interface turncaps, 32 spare interface, 33 spare interface turncaps, 34 suspenders.
In Fig. 2: on Fig. 1 basis, 21 enter blood vessel valve becomes 21 (x+y) and enters blood vessel-grug transportation tube synchronous valve, and adds air filter sheet on 35 medicine storing pots, 36 grug transportation tube internal orifices, 37 grug transportation tubes, 38 grug transportation tube collar extensions, 39 grug transportation tube stepping valves, 40 dosing mouths, 41 dosing mouths envelope turncaps, 42 medicine storing pot turncaps.
In Fig. 3: on Fig. 2 basis, add that 43 storage blood tanks are separated, under room, 45 storage blood tanks, room, 46 is separated row's blood ports valves, 47 and separated air vent valves, 48 and separate row blood holes, 49 exhaustor internal orifice one, 50 exhaustor internal orifices two on 44 storage blood tanks.
In Fig. 4: 5 negative tube internal orifices, 6 negative tubes, 7 negative tube adapters, lacuna on 8 filter screens, 9 storage blood tanks, the 10-2 fine filtering string bag, the 11-2 coarse filtration string bag, 14 exhaustors, 16 exhaustor collar extensions, 17 enter intravascular oral, 18 enter blood vessel, 19 enter blood vessel adapter, 20 enter blood vessel collar extension, 21 enter blood vessel valve, 22 suck blood a filter screen set, 23 storage blood canister incoming gas holes, 24 storage blood canister incoming gas hole filter discs, 25 storage blood canister incoming gas hole sealing turncaps, 26 storage blood canister incoming gas pipes, 27 storage blood canister incoming gas pipe internal orifices, 28 storage blood tank blood outlets, 29 blood transfusion three-way valve, 30 blood exchange transfusion set's interfaces, 31 blood exchange transfusion set's interface turncaps, 32 spare interface, 33 spare interface turncaps, 34 suspenders, 51 fie screens are revealed all the details and Chu Xue tank skin bearing.
In Fig. 5: on Fig. 4 basis, 21 enter blood vessel valve becomes 21 (x+y) and enters blood vessel-grug transportation tube synchronous valve, and adds air filter sheet on 35 medicine storing pots, 36 grug transportation tube internal orifices, 37 grug transportation tubes, 38 grug transportation tube collar extensions, 39 grug transportation tube stepping valves, 40 dosing mouths, 41 dosing mouth turncaps, 42 dosing mouth turncaps.
In Fig. 6: on Fig. 5 basis, add 14 exhaustors, 16 exhaustor collar extensions, 43 storage blood tanks are separated, under room, 45 storage blood tanks, room, 46 is separated row's blood ports valves, 47 and separated air vent valves, 48 and separate row blood holes, 49 exhaustor internal orifices on 44 storage blood tanks.
In Fig. 7: 1 loading tube chamber, 2 loading tube walls, 3 valve bodies, 4 spools, 5 spool, 1: 7 grade of tube chamber, 6 spool, 1: 5 grade of tube chamber, 7 spool knobs, 8 spool knob closed position pointers, 9 are opened shelves 1: 5 pointer, 10 and opened shelves 1: 7 pointer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, this suspension returns blood exchange transfusion set and forms primarily of negative-pressure suction pipeline 1, blood reclaim line 2, blood recirculation line 3, it is characterized in that: negative-pressure suction pipeline 1, blood reclaim line 2, blood recirculation line 3 bag pastes storage blood tank 9 in integrated form integrated design.Negative-pressure suction pipeline 1 is formed by connecting the negative tube 6 of lacuna 8 on filter screen, negative tube adapter 7, negative pressure indicator, draft regulator, negative pressure conversion bottle and negative pressure source, is communicated with lacuna on filter screen 8 by negative tube internal orifice 5.Blood reclaim line 2 by lacuna on filter screen 8, storage blood tank 9, fie screen 10-1, coarse strainer 11-1, filter screen support plate 12, deflector 13, exhaustor 14, enter blood vessel 18, enter blood vessel adapter 19, enter blood vessel collar extension 20, enter blood vessel valve 21, a filter screen set 22 of sucking blood forms; Exhaustor 14 is communicated with lacuna 8 and accumulator tank 9 on filter screen by exhaustor internal orifice 15 with exhaustor collar extension 16, discharges the air in it during for reclaiming blood inflow storage blood tank 9; Deflector 13 mainly guides and reclaims blood and flow down along storage blood tank 9 wall, reduces it and falls to hit and cause haemolysis with bubble formation; Enter blood vessel 18 to be connected with lacuna on filter screen 8 through entering intravascular oral 17; Head of sucking blood is nested with by a filter screen set 22 of sucking blood and forms entering blood vessel adapter 19 far-end.Blood recirculation line 3 is formed by being with the storage blood canister incoming gas hole 23 of air filter disc 24, storage blood canister incoming gas hole sealing turncap 25, storage blood canister incoming gas pipe 26, storage blood tank blood outlet 28, three-way valve 29 of transfusing blood, blood exchange transfusion set's interface 30, blood exchange transfusion set's interface turncap 31, spare interface 32, spare interface turncap 33; Blood transfusion three-way valve 29 is connected with storage blood tank 9 by storage blood tank blood outlet 28, is connected again by blood exchange transfusion set's interface 30 with blood exchange transfusion set; Feed back after blood starts, turn on the storage blood canister incoming gas hole 23 that sealing turncap 25 in storage blood canister incoming gas hole opens band air filter disc 24, avoid occurring negative pressure in storage blood tank 9, ensure to feed back that blood is unimpeded to carry out; Spare interface 32 is for injection of medicine or extract the urgent intravenous injection of blood.Storage blood tank 35 top arranges suspender 34, and in running order the present invention hangs on the drip stand hook of operating room certain height through suspender.
As shown in Figure 2, this suspension returns blood exchange transfusion set and forms primarily of the automatic infusion device 4 of negative-pressure suction pipeline 1, blood reclaim line 2, blood recirculation line 3 and anticoagulant, it is characterized in that: the automatic infusion device 4 of negative-pressure suction pipeline 1, blood reclaim line 2, blood recirculation line 3 and anticoagulant wraps and pastes storage blood tank 9 in integrated form integrated design.Negative-pressure suction pipeline 1, blood reclaim line 2 and blood recirculation line 3 structural design are with embodiment one.But the blood vessel valve 21 of entering of embodiment one becomes into blood vessel-grug transportation tube synchronous valve 21 (x+y).The automatic infusion device 4 of anticoagulant, namely on filter screen, above lacuna 8, anticoagulant medicine storing pot 35 is set, communicated with grug transportation tube 37 by grug transportation tube internal orifice 36, grug transportation tube 37 is opened on into blood vessel collar extension 20 by grug transportation tube collar extension 38, grug transportation tube 37 distally arranges grug transportation tube stepping valve 39 and enters blood vessel-grug transportation tube synchronous valve 21 (x+y), anticoagulant medicine storing pot 35 top arranges the dosing mouth 40 of the close cap 41 of band dosing mouth, and air filter disc 42 prepared by the close cap 41 of dosing mouth; Grug transportation tube stepping valve 39 controls grug transportation tube 37 and opens and closes and flow; Arrange grug transportation tube stepping valve 39 when reclaiming blood, it is that 1: 5 or 1: 7 ratio input is reclaimed in blood that anticoagulant can be installed with reclaiming blood; During without the need to adding anticoagulant, being arranged at close stance, air can be avoided to enter recovery blood through grug transportation tube.On filter screen, lacuna 8 top arranges suspender 34.
As shown in Figure 3, this suspension returns blood exchange transfusion set on suspension blood back-transfusion device basis described in embodiment two, increases storage blood tank and separates 43, storage blood tank 9 is divided into room 44 on storage blood tank, store up blood tank under room 45; Storage blood tank separation 43 arranges separation row blood ports valve 46, separates air vent valve 47, separates and arrange blood hole 48, exhaustor internal orifice 1, exhaustor internal orifice 2 50; Room 45 under room 44 on gap on filter screen 8, storage blood tank and storage blood tank is communicated with each other by exhaustor collar extension 16, exhaustor internal orifice 1 and exhaustor internal orifice 2 50 by exhaustor 14, discharges storage blood tank upper and lower indoor gas when blood is mainly reclaimed in its effect.About about 400 milliliters, room 45 under storage blood tank.The design of locellus is mainly considered in case of emergency, first can be fed back in advance when reclaiming blood and continuing by 400 milliliters of blood of room under storage blood tank, play the rescue effect that pre-cooling feeds back blood; Separate row's blood ports valve 46 and separate after air vent valve 47 all cuts out, on storage blood tank under room 44, storage blood tank room 45 function and reclaim blood, to feed back blood function just relatively independent, reclaim, feedback blood can carry out simultaneously; Reclaim blood to fill under storage blood tank and just can start feedback blood behind room 45; Therefore have good emergency function.
As shown in Figure 4, this suspension returns blood exchange transfusion set and forms primarily of negative-pressure suction pipeline 1, blood reclaim line 2, blood recirculation line 3, it is characterized in that: negative-pressure suction pipeline 1, blood reclaim line 2, blood recirculation line 3 bag pastes storage blood tank 9 in integrated form integrated design.Blood reclaim line 2 by storage blood tank 9, fine filtering string bag 10-2, coarse filtration string bag 11-2, enter blood vessel 18, enter blood vessel adapter 19, enter blood vessel collar extension 20, enter blood vessel valve 21=, a filter screen set 22 of sucking blood forms; Coarse filtration string bag 11-2 is nested with in fine filtering string bag 10-2, connect into intravascular oral 17 and be posted by storage blood tank and return Blood transfusion tubeline side tank skin is set, fix 51 with storage blood tank 9 wall bottom fine filtering string bag 10-2, can ensure that reclaiming blood flows down along tank skin, can be reduced it and fall to hit and cause haemolysis with bubble formation; Enter blood vessel 18 to be connected with storage blood tank 9 through entering intravascular oral 17, fine filtering string bag 10-2 and coarse filtration string bag 11-2; Negative-pressure suction pipeline 1, blood recirculation line 3, suspender 34 design same embodiment one.
As shown in Figure 5, this suspension returns blood exchange transfusion set and forms primarily of the automatic infusion device 4 of negative-pressure suction pipeline 1, blood reclaim line 2, blood recirculation line 3 and anticoagulant, it is characterized in that: it is characterized in that: the automatic infusion device 4 of negative-pressure suction pipeline 1, blood reclaim line 2, blood recirculation line 3 and anticoagulant wraps and pastes storage blood tank 9 in integrated form integrated design.Negative-pressure suction pipeline 1, blood reclaim line 2, blood recirculation line 3 structural design are with embodiment four, but the blood vessel valve 21 of entering of embodiment four becomes into blood vessel-grug transportation tube synchronous valve 21 (x+y).The automatic infusion device of anticoagulant 4, suspender 34 arrange same embodiment two.
As shown in Figure 6, this suspension returns blood exchange transfusion set on equipment of intraoperative autotransfusion of self blood basis described in embodiment five, increases storage blood tank and separates 43, storage blood tank 9 is divided into room 44 and room 45 under storage blood tank on storage blood tank; Storage blood tank is separated 43 and is arranged 46 separation row blood ports valves, 47 separation air vent valves, 48 separation row blood holes, 49 exhaustor internal orifices; 49 exhaustor internal orifices connect exhaustor 14, and communicated with each other room 45 under room 44 on storage blood tank and storage blood tank by exhaustor collar extension 16, exhaustor internal orifice 49, it acts on the gas of room 45 under discharge storage blood tank when mainly reclaiming blood; Exhaustor 14 is opened on the exhaustor collar extension 16 at storage blood tank 9 top; Storage blood canister incoming gas pipe 26 is arranged on room 45 under storage blood tank, and storage blood canister incoming gas pipe internal orifice 27 is opened on top, room 45 under storage blood tank.Locellus design is identical with embodiment three with the consideration of room 45 volume under storage blood tank.
As shown in Figure 7, this suspension returns the grug transportation tube stepping valve of blood exchange transfusion set, is divided into open shelves, 1: 7 at 1: 5 and opens shelves and closed shelves third gear; Adopt open shelves or 1: 7 at 1: 5 during infusion anticoagulant and open shelves, the gear different according to different anticoagulant infusion ratio setting; Do not adopt closed shelves during infusion anticoagulant, can prevent from entering recovery blood without air during anticoagulant infusion from grug transportation tube, the quality reclaiming blood can be ensured.
The operation of embodiment and dependencies
Ministry of Public Health clinical blood transfusion technical specification specifies the traumatic hemorrhage more than 6 novels, must not use as feedback blood.Bleeding time, when can not confirm, desirable 2mL blood sample was centrifugal, observed plasma layer, if without haemolysis sign, can feed back. [28] 29]the anticoagulant concentration prepared before reclaiming blood is add heparin sodium 25000U in 500ml normal saline, and the anticoagulant of instillation is 1: 5 with reclaiming blood volumetric ratio. [29]feed back before blood and conscientiously must detect splanchnocoel meticulously, determine without hollow organ break cause blood contamination after can feed back.The interpolation of anticoagulant:
One, the interpolation of anticoagulant:
For the bleeding time in 6 hours still in hemorrhage case, first control hemorrhage as far as possible, take out to reclaim after clot and feed back blood, when reclaiming blood, use anticoagulant; Treat that visual area exposes, then hemostasis of performing an operation.
3 hours are less than to the bleeding time, hemorrhage stopping person, when reclaiming blood, also use anticoagulant.
For the bleeding time more than 3 novels, hemorrhagely to stop, the internal hemorrhage case of bleeding time in 6 hours, exempt to use anticoagulant when reclaiming blood.
Two, the selecting of embodiment:
The case that clinical manifestation of losing blood is lighter, uses embodiment one, two or embodiment four, five; The preoperative case determining not have anticoagulant applicating finger syndrome, wound time long, blood pressure stabilization, uses embodiment one, four; Preoperatively to can not determine with or without anticoagulant applicating finger syndrome, wound time short case, use embodiment two, five; The case that hemorrhage ferociousness, hemorrhagic shock clinical manifestation are heavier, need race against time and implement promptly to transfuse blood volume expansion therapy, uses embodiment three, six.Blood plane in patient limit operation marginal not meaning storage blood tank, when blood plane reaches tank skin 2000ml scale, should stop reclaiming blood in time.
Three, the operation of embodiment:
Before reclaiming blood operation, there is anticoagulant infusion indication person, after adding anticoagulant, first grug transportation tube stepping valve 39 is arranged on set state (1: 5 grade or 1: 7 grade), to enter blood vessel-grug transportation tube synchronous valve 21 (x+y) unlatching again makes anticoagulant flow out grug transportation tube collar extension 38, closes into blood vessel-grug transportation tube synchronous valve 21 (x+y) for subsequent use after seeing medicinal liquid outflow; Negative pressure value is accurately arranged according to set value; Without anticoagulant infusion indication person, then grug transportation tube stepping valve 39 is arranged on cut out shelves.When reclaiming blood operation, head of sucking blood is inserted after in blood and can be opened into blood vessel-grug transportation tube synchronous valve 39, in order to avoid blood quality is reclaimed in air intake impact; Before reclaiming blood agglomeration bundle, close in an autoblood of sucking blood again after blood vessel-grug transportation tube synchronous valve 21 (x+y) as far as possible and take out, cause blood contamination to reduce air intake.Feed back before blood, by negative pressure line with enter blood vessel-grug transportation tube synchronous valve 21 (x+y) and close, filtrated air is entered, to avoid blood contamination from storage blood canister incoming gas hole.
(1) embodiment one, four operates: be hung on by the embodiment of the present invention one suspender on the drip stand hook of operating room certain height, far-end is prepared negative pressure indicator, draft regulator, negative pressure conversion bottle this time blood exchange transfusion set's negative tube adapter 7 be connected with negative pressure source, turn on blood exchange transfusion set's interface turncap 31, blood exchange transfusion set is connected with blood exchange transfusion set's interface 30 of three links: link of trade, travel and post valve 29, puts blood transfusion three-way valve 29 in closed condition.Under head of as far as possible sucking blood when reclaiming blood imbeds blood plane, cause haemolysis in order to avoid suck air and affect feedback blood quality; Reclaim blood operation terminate after, put blood transfusion three-way valve 29 in opening state start feed back blood, and turn on storage blood canister incoming gas hole sealing turncap 25 start feed back blood, and by negative pressure line close and enter blood vessel-blood transfusion tube synchronous valve 21 (x+y) close.
(2) embodiment two, five operates: in advance anticoagulant 400ml heparin sodium normal saline is injected medicine storing pot 35, reclaims blood operation and is undertaken by embodiment one.When having anticoagulant applicating finger syndrome, grug transportation tube stepping valve 39 is set in set gear (15 or 17), head of sucking blood is inserted in blood, opens and open the automatic infusion of startup anticoagulant and recovery blood simultaneously into blood vessel-grug transportation tube synchronous valve 21 (x+y) when reclaiming blood operation; When accusing of without anticoagulant application, grug transportation tube stepping valve 39 is arranged at cut out shelves, how says that can avoid reclaiming air when blood operates enters recovery blood shadow sound quality from grug transportation tube; Reclaim blood operation and terminate rear startup feedback blood, return blood transfusion procedure with embodiment one.
(3) embodiment three, six operates: operate one minute after room fills blood under storage blood tank as embodiment one or embodiment two reclaim blood, separation row blood ports valve 46 and separation air vent valve 47 are all placed in closed condition, turn on storage blood canister incoming gas hole sealing turncap 25, then as embodiment one, two starts back blood transfusion procedure, reclaim blood operation and continue.Reclaim blood 2000 milliliters before room 45 blood under blood tank has fed back as stored up to complete, then by separations row blood ports valve 46 with separate air vent valve 47 and all establish and open, allow and reclaim blood and inject room 45 under storage blood tank, feedback blood does not interrupt; Reclaim blood 2000 milliliters before room 45 blood under blood tank has fed back as stored up not complete and maybe need to continue to reclaim, need stop feeding back blood during row's blood aerofluxus, reclaim after blood fills Deng about 12 seconds until room under accumulator tank 45, then close to separate row's blood ports valve 46 and separate air vent valve 47 and restart feedback blood; Also can stop reclaiming blood during row's blood aerofluxus, feed back blood uninterrupted; Reclaim blood when namely arranging blood aerofluxus and feed back blood and can not carry out simultaneously, both can only select one.Also can take out blood vein injects blood transfusion from Blood transfusion tubeline three links: link of trade, travel and post valve spare interface 32 with large syringe time urgent.Return blood transfusion procedure with embodiment one.
(4) recovery hemorrhage in aseptic operation of selecting a time of surgery and department of obstetrics and gynecology feeds back operation: can select embodiment two, three, five, six, the more than person of continuous bleeding uses embodiment three, six; When intraoperative hemorrhage estimator is large or the bleeding time is long, consider to reclaim blood.The hemorrhage rear very first time will suck blood head insert hemorrhage in, then turn on and start to reclaim blood operation into blood vessel-grug transportation tube synchronous valve 21 (x+y), during operation, suck air less as far as possible; And start the operation of recovery blood in the very first time.
It is emphasized that: be only preferred embodiment of the present invention above, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Description list of references
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Claims (9)

1. suspension returns a blood exchange transfusion set, this time blood exchange transfusion set primarily of negative-pressure suction pipeline (1), blood reclaim line (2), blood recirculation line (3) or/and the automatic infusion device of anticoagulant (4) is formed.It is characterized in that: negative-pressure suction pipeline (1), blood reclaim line (2), blood recirculation line (3) are or/and the automatic infusion device of anticoagulant (4) bag pastes storage blood tank (9) in integrated form integrated design; Top arranges suspender (34).
2. suspension according to claim 1 returns blood exchange transfusion set, it is characterized in that: negative-pressure suction pipeline (1) is changed bottle and negative pressure source formed by negative tube (6), negative pressure connecting pipe (7), draft regulator, negative pressure indicator, negative pressure, by negative tube internal orifice (5) and lacuna on filter screen (8) or store up blood tank (9) and communicate.
3. suspension according to claim 1 returns blood exchange transfusion set, it is characterized in that: blood reclaim line (2) first scheme by lacuna on filter screen (8), storage blood tank (9), coarse strainer (11-1), fie screen (10-1), filter screen support plate (12), deflector (13), exhaustor (14), enter blood vessel (18), enter that blood vessel is taken over (19), enters blood vessel valve (21) or entered blood vessel-grug transportation tube synchronous valve [21 (x+y)], a filter screen set (22) of sucking blood forms; Enter blood vessel (18) to communicate through entering intravascular oral (17) with lacuna on filter screen (8); Coarse strainer (11-1), fie screen (10-1), filter screen support plate (12) separate storage blood tank (9) and lacuna (8) on filter screen; Exhaustor (14) is communicated with lacuna (8) and storage blood tank (9) on filter screen by exhaustor collar extension (16), exhaustor internal orifice (15); A filter screen set (22) of sucking blood is nested with to suck blood head entering blood vessel adapter (19) far-end composition; Alternatively, between the coarse strainer (11-1) that supports of filter screen support plate (12) and fie screen (10-1), froth breaking net can be set.
4. suspension according to claim 1 returns blood exchange transfusion set, it is characterized in that: blood reclaim line (2) alternative plan by storing up blood tank (9), the coarse filtration string bag (11-2), the fine filtering string bag (10-2), enter blood vessel (18), enter that blood vessel is taken over (19), enters blood vessel valve (21) or entered blood vessel-grug transportation tube synchronous valve [21 (x+y)], a filter screen set (22) of sucking blood is formed; The coarse filtration string bag (11-2) and the fine filtering string bag (10-2) overlap postpone and enter intravascular oral (17) and be connected, and the fine filtering string bag (10-2) bottom is fixed (51) with storage blood tank (9) wall; Alternatively, between the coarse filtration string bag (11-2) and the fine filtering string bag (10-2), froth breaking net can be set.
5. suspension according to claim 1 returns blood exchange transfusion set, it is characterized in that: blood reclaim line (2) third program and fourth program are respectively in claim 3 and claim 4 basis, storage blood tank (9) is provided with storage blood tank and separates (43), to be separated on storage blood tank room (44) and room (45) under storing up blood tank; Storage blood tank is separated on (43) separation row's blood ports valve (46), separation air vent valve (47); Separate row's blood ports valve (46) and connect separation row blood hole (48); Separate air vent valve (47) to run in trachea internal orifice one (49); Room (44) on gap on filter screen (8), storage blood tank is connected with room (45) under storage blood tank through exhaustor internal orifice one (49), exhaustor internal orifice two (50) and exhaustor collar extension (16) by storage blood tank exhaustor (14) of blood reclaim line (2) third program; Blood reclaim line (2) fourth program increases exhaustor (14) simultaneously, and exhaustor (14) is by room (45) under room (44) on exhaustor collar extension (16), exhaustor internal orifice (49) connection storage blood tank and storage blood tank.
6. suspension according to claim 1 returns blood exchange transfusion set, it is characterized in that: blood recirculation line (3) is made up of storage blood canister incoming gas hole (23), storage blood canister incoming gas hole filter disc (24), storage blood canister incoming gas hole sealing turncap (25), storage blood canister incoming gas pipe (26), storage blood tank blood outlet (28), blood transfusion three-way valve (29), blood exchange transfusion set's interface (30), blood exchange transfusion set's interface turncap (31), spare interface (32), spare interface turncap (33); Blood transfusion three-way valve (29) by storage blood tank blood outlet (28) with store up blood tank (9) or under storing up blood tank room (45) communicate, connected with blood exchange transfusion set by blood exchange transfusion set's interface (30) again; Room (45) top under storage blood canister incoming gas pipe (26) is opened on storage blood tank (9) top by storage blood canister incoming gas pipe internal orifice (27) or stores up blood tank; Blood transfusion three-way valve (29) also can be exempted blood exchange transfusion set's interface (30) and directly be connected with blood exchange transfusion set.
7. the suspension according to claim 3 and 4 returns blood exchange transfusion set, it is characterized in that: coarse strainer (11-1), fie screen (101) are in plate sample, coarse strainer (11-1), fie screen (10-1) and filter screen support plate (12) are connected and fixed, and coarse strainer (11-1) is arranged on fie screen (10-1) distally; Fie screen (10-1) below arranges the deflector (13) be connected with filter screen support plate (12); The coarse filtration string bag (11-2), the fine filtering string bag (102), in soft string bag sample, feed back blood vessel trackside and store up the intravascular oral (17) that enters that blood tank (9) tank skin arranges and be connected with reclining; The fine filtering string bag (10-2) portion of revealing all the details is fixed (51) with storage blood tank (9) wall, through entering intravascular oral (17) and entering blood vessel (18) and communicate; Alternatively, between coarse strainer (11-1) and fie screen (101), between the coarse filtration string bag (11-2) and the fine filtering string bag (10-2), froth breaking net, the froth breaking string bag also can be set.
8. suspension according to claim 1 returns blood exchange transfusion set, it is characterized in that: the profile adding medicine storing pot (35) from duty, effectiveness angle integrated design storage blood tank (9) or storage blood tank (9), its profile is the assembly of the cylindrical class hemispherical adding bottom and the class right-angle prismatic post be attached thereto; Class right-angle prismatic post one rectangle face is parallel to suspension and returns blood exchange transfusion set's end face and flush in the storage hemispheric vertex (vertices) portion of blood tank class, it is arranged storage blood tank blood outlet (28); Blood exchange transfusion set's end face is then returned perpendicular to suspension in another rectangle face of class right-angle prismatic post, it is arranged storage blood canister incoming gas hole (23).
9. the suspension according to Claims 2 or 3 or 4 or 5 returns blood exchange transfusion set, it is characterized in that: storage blood tank (9) has containing mark labelling, and bottom arranges storage blood canister incoming gas hole (23) and storage blood tank blood outlet (28); Negative tube (6) and air inlet pipe (18) play bag and to be sticked meter from storage blood tank (9) bottom, be opened on store up gap (8) on blood tank (9) top or filter screen through entering intravascular oral (16) and negative tube internal orifice (5).
CN201410193776.XA 2013-12-08 2014-05-05 Suspended retransfusion set Pending CN104689403A (en)

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