CN2936268Y - Blood-oxygen mixing device - Google Patents
Blood-oxygen mixing device Download PDFInfo
- Publication number
- CN2936268Y CN2936268Y CN 200620062396 CN200620062396U CN2936268Y CN 2936268 Y CN2936268 Y CN 2936268Y CN 200620062396 CN200620062396 CN 200620062396 CN 200620062396 U CN200620062396 U CN 200620062396U CN 2936268 Y CN2936268 Y CN 2936268Y
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- oxygenated solution
- oxygenator
- pump
- liquid
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Abstract
The utility model discloses a blood oxygenation meter, comprising a blood tubing set and an oxygenation liquid tubing set, wherein, the blood tubing set comprises an arterial end of the blood tube a blood pump, an anticoagulant injection unit, a level detector and a vein end of the blood tube. The arterial end of the blood tube is connected with the anticoagulant injection unit and the upper end of the level detector through the blood pump, and the lower end of the level detector is connected with the vein end of the blood tube. The oxygenation liquid tubing set comprises a container for oxygen or oxygenation liquid, an oxygenation liquid tube, an oxygenation liquid pump, a level detector and a waste liquid container. The container for oxygen or oxygenation liquid is connected with the oxygenation liquid tube, and connected with the level detector through the pump of oxygenation liquid, and connected with the waste liquid container through the upper end of the level detector and the oxygenation liquid pump. The blood tubing set is connected with the oxygenation liquid tubing set through the level detector. The utility model has the advantages of multipurpose blood purification, simple structure, safety and reliability.
Description
[technical field]
This utility model relates to a kind of medical apparatus and instruments, more particularly relates to a kind of blood oxygenation instrument that is used to give treatment to acute and chronic lung failure, severe hypoxia and can unites use treatment multiple organ dysfunction syndrome with the artificial kidney machine.
[background technology]
The blood oxygenation instrument is by a kind of permeability film with blood, a side that is film is that blood passes through, opposite side is that oxygen, hydrogen peroxide balance liquid or other oxygen containing liquid pass through, across this permeability film, but the oxygen molecule free permeation in oxygen, hydrogen peroxide balance liquid or other the oxygen containing liquid is in blood, carbon dioxide can freely appear, with the oxygen content of raising blood and the therapy equipment of partial pressure of oxygen, reduction carbon dioxide content and partial pressure of carbon dioxide.
There is following shortcoming in blood oxygenation instrument commonly used at present: 1, cost an arm and a leg; 2, volume is big, and the extracorporeally circulating blood amount is big; 3, use the blood bubbling device, blood is directly contacted with gas.4, can not connect with apparatus for purifying blood and implement treatment work simultaneously; 5, complex structure, operation are tired of lock, easy break-down, maintenance difficult, are difficult to ensure safety, the reliability and stability of machine performance.
Therefore, need provide a kind of blood oxygenation instrument multi-functional, that structure is simpler, safe and reliable real for necessary.
[summary of the invention]
The purpose of this utility model provides a kind of medical have multi-functional blood purification effect, simple in structure, safe and reliable blood oxygenation instrument.
To achieve these goals, this utility model adopts following technical scheme:
A kind of blood oxygenation instrument is provided, it comprises blood circuit and oxygenated solution loop, this blood circuit comprises the blood vessel arterial end, blood pump, the anticoagulant injection device, oxygenator and blood vessel vein end, the blood vessel arterial end connects the anticoagulant injection device through blood pump, the oxygenator upper end, the oxygenator lower end connects the blood vessel vein end, this oxygenated solution loop comprises oxygen or oxygenated solution container, the oxygenated solution pipe, the oxygenate liquid pump, oxygenator and waste fluid container, oxygen or oxygenated solution container connect the oxygenated solution pipe, and through oxygenate liquid pump connection oxygenator, connect waste fluid container from the oxygenator upper end via the oxygenate liquid pump again, blood circuit and oxygenated solution loop join by oxygenator.
This oxygenate liquid pump is two-tube pump, be arranged with the oxygenated solution balance at the oxygenated solution container in oxygenated solution loop and claim, be positioned at the control valve that is connected on below the oxygenate liquid pump on the oxygenated solution pipe, in order to keeping the oxygen or the oxygenated solution balance of turnover oxygenator, and regulate the oxygen content enter oxygenator by the oxygenate liquid pump.The oxygenated solution balance claims and can be made up of a title or two titles, but claims degree of accuracy high and effective with one.
The oxygenate liquid pump is two-tube pump type, and its structure is identical with conventional blood pump with operation principle, by roller squeezed fluid pipe, liquid is pumped into simultaneously and extracts out.The operation principle of oxygenate liquid pump is to claim and the synergism of control valve by the oxygenated solution balance, keeps the oxygen or the oxygenated solution balance that pass in and out oxygenator; But the speed manual adjustment and the instrument of oxygenate liquid pump are regulated automatically, and the valve folder of control valve is regulated automatically by instrument; If the oxygenate liquid pump is made up of two identical pumps, can reach same counterbalance effect by regulating each pump speed; But add that with two-tube pump type oxygenate liquid pump the control valve effect is best.Control valve is reverse or positive deflection by driven by motor, just can compress going into pipe or going out pipe of oxygenated solution pipe respectively, to correct the error of coming in and going out.
Oxygenated solution pipe through the oxygenate liquid pump connects oxygenator again by the oxygenated solution blender, and the oxygenated solution pipe under this oxygenated solution blender is provided with oxygenated solution choked flow folder.Also be provided with leve monitor on this oxygenated solution blender with the monitoring level condition.Also be provided with heater under the oxygenated solution container, the liquid heat that can use is to design temperature.
This blood circuit is tended to act by blood pump and is removed bubbler through connecting behind the oxygenator, and the blood vessel that removes under the bubbler is provided with blood choked flow folder and bubble monitor.
This blood circuit further comprises the arterial blood pressure monitoring device that is connected the blood vessel arterial end, and is connected venous pressure monitor except that bubbler, blood oxygen pressure monitor, air monitor, blood oxygen saturation monitoring device, partial pressure of carbon dioxide monitor etc.
The connected mode in above-mentioned blood circuit and oxygenated solution loop is not unique, this blood oxygenation instrument can also change that liquid also can be applicable to treatment of replacement therapy of blood plasma, hemofiltration or CRRT treatment etc. to reach different-effect in loop connected mode and the displacement loop according to different needs.As engaging with blender with the blood vessel arterial end of blood circuit behind this oxygenated solution loop process oxygenate liquid pump, connect oxygenator again, oxygenated solution changes blood filtering replacement liquid into, then can realize hemofiltration treatment or CRRT treatment.
Blood oxygenation instrument work process of the present utility model is as follows:
Blood circuit: patients'blood output is connected in the tremulous pulse pipe end of blood vessel, after the anticoagulant injection device injects anticoagulant, by the blood pump input oxygenator of tending to act, blood and oxygenated solution or oxygen carry out gas exchange across penetrating film in oxygenator, oxygen penetrates in the blood and combines with hemoglobin, carbon dioxide appears blood and is brought in the waste liquid and removes, blood after the exchange is exported from oxygenator, pass through venous pressure monitor, air monitor, press from both sides by the blood choked flow, flow to the vein pipe end of blood vessel, fail back in the patient body again.
The oxygenated solution loop: oxygenated solution is evacuated to oxygenator from the lower ending opening output of oxygenator by the oxygenate liquid pump, and oxygenated solution and blood carry out being output to waste fluid container behind the gas exchange in oxygenator, and control valve is regulated the turnover liquid amount balance.Oxygenated solution pump discharge adjustable extent is 10-800ml/ minute, but its manual adjustments, or regulate automatically according to the synthetic data that blood oxygen saturation monitoring device, partial pressure of oxygen monitor, partial pressure of carbon dioxide monitor record.
Oxygenated solution flow adjustable extent is defined as 10ml-800ml/ minute, mainly is the flow of selecting oxygenated solution according to the full degree of different blood oxygen and treatment time, to reach the purpose that makes full use of oxygenated solution.Therefore, this machine of this utility model also can be united use with haemodialysis control unit, persistence blood cleaning equipment, both can connect the blood oxygenation instrument when doing hemodialysis, hemofiltration, plasmapheresis, persistence blood purification and hemoperfusion and carry out gas exchange.
This blood oxygenation instrument also can as transfusion filters and plasmapheresis device etc., be exercised hemofiltration, plasmapheresis, the treatments such as (CRRT) of persistence bedside blood purification by changing other consumptive material.
The mode of blood oxygenation instrument and blood cleaning equipment associating can adopt: oxygenator directly is connected on the blood circuit of hemodialysis device or blood filter by a little connection tube; If hemodialysis device or blood filter have penetrating oxygen molecule function, also the oxygenated solution loop directly can be associated on the dialysis solution or displacement liquid loop of hemodialysis device or blood filter.
Compared with prior art, this utility model has following beneficial effect:
1, this extracorporeal circulation oxygenation instrument can be implemented treatment work separately, or unites use with blood cleaning equipment.
2, this utility model has multi-functional blood purification function simultaneously, also feasible hemofiltration, plasmapheresis, hemoperfusion, CRRT treatment etc.
When 3, exercising multi-functional blood purification treatment, by the oxygenated solution balance claim, the synergism of two-tube pump and control valve, keep the fluid balance of turnover blood filter; But the speed manual adjustment and/or the instrument of two-tube pump are regulated automatically, and the valve folder of control valve is regulated automatically by instrument; Three's synergism is realized the control to ultrasiltrated rate, ultrafiltration pressure, ultrafiltration volume, and the simplified apparatus structure increases security reliability greatly.
4, use oxygenate liquid pump is realized the control to oxygenated solution flow and oxygenate liquid measure, and the simplified apparatus structure increases security reliability greatly.
5, avoiding hanging big liquid bag comes balance oxygenated solution turnover liquid measure and avoids shutdown to change the liquid bag.
6, in blood filtration journey, only use clean oxygenated solution, contain the oxygenated solution of toxin after need not replacing.
Use two-tube pump to realize realizing control to the speed of gas to oxygen containing liquid or with micro pump, use oxygen containing fluid pressure monitor, oxygen containing gas pressure monitoring device to realize the control that sees through pressure, transit dose etc. to oxygen and carbon dioxide, directly improve oxygen content in the blood, reduce carbon dioxide content; The extracorporeal circulation blood volume that this device forms obviously reduces.It can directly treat patient, also can connect use with the artificial kidney machine, avoids using the blood bubbling device and avoids blood directly to contact with gas.Device structure simplification, simple to operate increases security reliability.
[description of drawings]
Fig. 1 is the sketch map of this utility model blood oxygenation instrument embodiment one;
Fig. 2 is the sketch map of this utility model blood oxygenation instrument embodiment two;
Fig. 3 is the sketch map of this utility model blood oxygenation instrument embodiment three.
[specific embodiment]
Embodiment one: the treatment of blood oxygenation
As shown in Figure 1, blood oxygenation instrument of the present utility model mainly is made of blood circuit and oxygenated solution loop; Blood oxygenator 2 upper ends are blood inlet and oxygenated solution outlet, and the lower end is the inlet of blood outlet and oxygenated solution; Blood circuit by anticoagulant injection device 11, arterial blood pressure monitoring device 12, blood pump 13, blood oxygenator 2, venous pressure monitor 14, blood oxygen pressure monitor 15, remove bubbler 16, air monitor 17, choked flow folder 18, bubble monitor 19, blood vessel arterial end 111, blood vessel vein end 112 and constitute; The oxygenated solution loop by oxygenated solution container 31, heater 32, balance claim 33, oxygenated solution pipe 34, two-tube pump 35, control valve 36, oxygenated solution blender 37, liquid level detector 38, oxygenated solution choked flow folder 39, blood oxygenator 2, waste fluid container 310 constitute; This blood oxygenation instrument connects computer control system, and connects display screen 4.Desire many ultrafiltration in the patient body go out liquid, can be by the key setting be set, and realize by two-tube pump 35 of computer system control and control valve 36.Monitoring and operation all can realize by touch display screen 4.The liquid heat that preheating box 5 can use is to being provided with temperature, and 6 are the fluid infusion frame.
Among Fig. 1, in conjunction with constituting the closed extracorporeal circulation system, employed material is disposable by blood oxygenator 2 for blood circuit, oxygenated solution loop, so equipment does not need sterilization.
Blood oxygenation instrument work process of the present utility model is as follows:
Blood circuit: patients'blood output is connected in the tremulous pulse pipe end 111 of blood tube, after anticoagulant injection device 11 injects anticoagulant, measure arterial pressure through arterial blood pressure monitoring device 12, input to blood oxygenator 2 by blood pump 13,2 places exchange across oxygenation membrane at blood oxygenator, oxygen is transferred to blood, carbon dioxide is excluded, blood after the exchange is from blood oxygenator 2 outputs, flow to and remove bubbler 16, through venous pressure monitor 14, blood oxygen pressure monitor 15, air monitor 17, blood choked flow folder 18, bubble monitor 19, flow to blood vessel vein end 112, fail back in the patient body again.
The oxygenated solution loop: oxygenated solution is extracted out by the two-tube pump 35 of oxygenated solution from the opening on the oxygenated solution container 31, through oxygenated solution heater 32, oxygenated solution balance claim 33 and control valve 36 flow to oxygenated solution blender 37, flow to blood oxygenator 2 through liquid level detector 38 and oxygenated solution choked flow folder 39, it flows into from blood oxygenator 2 lower ends, come out from the upper end, through control valve 36 and two-tube pump 35, after oxygenated solution pipe 34 flows to waste fluid container 310.
The two-tube pump 35 flow adjustable extents of oxygenated solution are 10-800ml/min.
Embodiment two: the treatment of plasmapheresis
In the time of need doing replacement therapy of blood plasma, only the oxygenated solution in the oxygenated solution container 31 need be replaced by and substitute blood plasma or albumin, blood oxygenator 2 is replaced by plasmapheresis device 21, and the oxygenated solution loop becomes plasmapheresis liquid loop, press Fig. 2 mode connecting pipeline, other operational approach is identical.
As shown in Figure 2, when this utility model was expert at replacement therapy of blood plasma, instrument mainly was made of blood circuit, plasmapheresis liquid loop, and two loops are bonded on plasmapheresis device 21; Plasmapheresis device 21 upper ends are blood inlet and the outlet of plasmapheresis liquid, and the lower end is the blood outlet; Blood circuit by anticoagulant injection device 11, arterial blood pressure monitoring device 12, blood pump 13, plasmapheresis device 21, venous pressure monitor 14, blood plasma fluid infusion inlet 151, remove bubbler 16, air monitor 17, choked flow folder 18, bubble monitor 19, blood vessel arterial end 111, blood vessel vein end 112 and constitute; Plasmapheresis liquid loop by plasmapheresis liquid vessel 31, heater 32, balance claim 33, plasmapheresis liquid pipe 341, two-tube pump 35, control valve 36, plasmapheresis liquid mixer 37, liquid level detector 38, plasmapheresis liquid choked flow folder 39, plasmapheresis device 21, waste fluid container 310 constitute.
Replacement therapy of blood plasma work process of the present utility model is as follows:
Blood circuit: patients'blood output is connected in the tremulous pulse pipe end 111 of blood tube, after anticoagulant injection device 11 injects anticoagulant, measure arterial pressure through arterial blood pressure monitoring device 12, input to plasmapheresis device 21 by blood pump 13, plasmapheresis is come out across the displacement film at plasmapheresis device 2 places, leach blood behind the blood plasma from 21 outputs of plasmapheresis device, flow to and remove bubbler 16, pass through venous pressure monitor 14, blood choked flow folder 18, bubble monitor 19, flow to blood vessel vein end 112, fail back in the patient body again.
Plasmapheresis liquid loop: plasmapheresis liquid is extracted out by two-tube pump 35 from the opening on the plasmapheresis liquid vessel 31, claim 33 and control valve 36, close liquid mixer 37 through heater 32, balance, flow to blood plasma fluid infusion inlet 151 on the blood circuit 1, remove bubbler 16 through liquid level detector 38 and plasmapheresis liquid choked flow folder 39; From plasmapheresis device 21 discarded blood plasma process control valve 36 caught on a filter and two-tube pumps 35, after displacement liquid pipe 341 flows to waste fluid container 310.
Embodiment three: hemofiltration treatment or CRRT treatment
In the time of need doing hemofiltration treatment or CRRT treatment, only the oxygenated solution in the oxygenated solution container 31 need be replaced by blood filtering replacement liquid, blood oxygenator 2 is replaced by blood filter, and liquid supplementation pipe is connected on the blender 152 on the blood vessel, and other operational approach is identical; It is 0-4000ml/ hour that ultrafiltration can be provided with scope, is convenient to clinical use, and ultrasiltrated rate is realized by the two-tube pump 35 of computer control and the control valve 36 of instrument.
As shown in Figure 3, when this utility model was expert at hemofiltration treatment or CRRT treatment, instrument mainly was made of blood circuit, displacement liquid loop, and two loops are engaged in transfusion filters 22; Transfusion filters 22 upper ends are blood inlet and displacement liquid outlet, and the lower end is the blood outlet; Blood circuit by anticoagulant injection device 11, arterial blood pressure monitoring device 12, blood pump 13, plasmapheresis device 22, venous pressure monitor 14, blender 152, remove bubbler 16, air monitor 17, choked flow folder 18, bubble monitor 19, blood vessel arterial end 111, blood vessel vein end 112 and constitute; The hemofiltration replacement liquid loop by displacement liquid vessel 31, heater 32, balance claim 33, displacement liquid pipe 34, two-tube pump 35, control valve 36, displacement liquid blender 37, liquid level detector 38, displacement liquid choked flow folder 39, transfusion filters 22, waste fluid container 310 constitute.
Hemofiltration treatment of the present utility model or CRRT treatment work process are as follows:
Blood circuit: patients'blood output is connected in the tremulous pulse pipe end of blood tube 111, after the sharp injection device 11 of anticoagulant injects anticoagulant, measure arterial pressure through arterial blood pressure monitoring device 12, input to transfusion filters 22 by blood pump 13, waste liquid is cemented out across the displacement film at transfusion filters 2 places, blood after the filtration is from transfusion filters 22 outputs, flow to and remove bubbler 16, pass through venous pressure monitor 14, blood choked flow folder 18, bubble monitor 19, flow to blood vessel vein end 112, fail back in the patient body again.
The blood filtering replacement liquid loop: blood filtering replacement liquid is extracted out by two-tube pump 35 from the opening on the blood filtering replacement liquid vessel 31, claim 33 and control valve 36, displacement liquid blender 37 through heater 32, balance, flow to the blenders 152 on the blood circuit and remove bubbler 16 through liquid level detector 38 and choked flow folder 39; From plasmapheresis device 22 waste liquids process control valve 36 caught on a filter and two-tube pumps 35, after displacement liquid pipe 341 flows to waste fluid container 310.
The above only is preferred embodiment of the present utility model, and protection domain of the present utility model is not limited thereto, and those of skill in the art are any to be included within this utility model protection domain based on non-material change on the technical solutions of the utility model.
Claims (8)
1, a kind of blood oxygenation instrument, it is characterized in that, it comprises blood circuit and oxygenated solution loop, this blood circuit comprises blood vessel arterial end (111), blood pump (13), anticoagulant injection device (11), oxygenator (2) and blood vessel vein end (112), blood vessel arterial end (111) connects anticoagulant injection device (11) through blood pump (13), oxygenator (2) upper end, oxygenator (2) lower end connects blood vessel vein end (112), this oxygenated solution loop comprises oxygen or oxygenated solution container (31), oxygenated solution pipe (34), oxygenate liquid pump (35), oxygenator (2) and waste fluid container (310), oxygen or oxygenated solution container (31) connect oxygenated solution pipe (34), and through oxygenate liquid pump (35) connection oxygenator (2), connect waste fluid container (310) from oxygenator (2) upper end via oxygenate liquid pump (35) again, blood circuit and oxygenated solution loop join by oxygenator (2).
2, blood oxygenation instrument as claimed in claim 1, it is characterized in that, this blood pump (13) is two-tube pump, and this oxygenated solution loop comprises that further the oxygenated solution balance that is placed under the oxygenated solution container (31) claims (33), is positioned at oxygenate liquid pump (35) below and is connected on control valve (36) on the oxygenated solution pipe (34).
3, blood oxygenation instrument as claimed in claim 2 is characterized in that, oxygenated solution container (31) has heater (32).
4, blood oxygenation instrument as claimed in claim 3, it is characterized in that, oxygenated solution pipe (34) through oxygenate liquid pump (35) connects oxygenator (2) again by blender (37), and the oxygenated solution pipe (34) under this blender (37) is provided with oxygenated solution choked flow folder (39).
5, blood oxygenation instrument as claimed in claim 4 is characterized in that, this blender (37) is provided with leve monitor (38).
6, blood oxygenation instrument as claimed in claim 1 is characterized in that, this blood circuit connects except that bubbler (16) through oxygenator (2) back, and the blood vessel that removes under the bubbler (16) is provided with blood choked flow folder (18) and bubble monitor (19).
7, as claim 5 or 6 described blood oxygenation instrument, it is characterized in that, this blood circuit further comprises the arterial blood pressure monitoring device (12) that is connected blood vessel arterial end (111), and is connected venous pressure monitor (14) except that bubbler (16), blood oxygen pressure monitor (15), air monitor (17), blood oxygen saturation monitoring device, partial pressure of carbon dioxide monitor etc.
8, blood oxygenation instrument as claimed in claim 1 is characterized in that, this oxygenated solution loop engages with blender (120) with blood circuit blood vessel arterial end through oxygenate liquid pump (35) back, connects oxygenator (2) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620062396 CN2936268Y (en) | 2006-08-01 | 2006-08-01 | Blood-oxygen mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620062396 CN2936268Y (en) | 2006-08-01 | 2006-08-01 | Blood-oxygen mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2936268Y true CN2936268Y (en) | 2007-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620062396 Expired - Fee Related CN2936268Y (en) | 2006-08-01 | 2006-08-01 | Blood-oxygen mixing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN2936268Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500004A (en) * | 2011-11-08 | 2012-06-20 | 芮海荣 | Blood purification therapy oxygen supplying instrument |
| CN103272293A (en) * | 2013-06-19 | 2013-09-04 | 杨小玉 | Portable life resuscitation machine |
| CN103857418A (en) * | 2011-07-27 | 2014-06-11 | 迈柯唯销售服务德国有限公司 | Electronically controlled gas mixing unit for supplying a sweep gas to an oxygenerator |
| CN112438251A (en) * | 2008-01-31 | 2021-03-05 | 特兰斯迈迪茨公司 | Systems and methods for ex vivo lung care |
-
2006
- 2006-08-01 CN CN 200620062396 patent/CN2936268Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112438251A (en) * | 2008-01-31 | 2021-03-05 | 特兰斯迈迪茨公司 | Systems and methods for ex vivo lung care |
| CN112438251B (en) * | 2008-01-31 | 2023-03-14 | 特兰斯迈迪茨公司 | Systems and methods for ex vivo lung care |
| CN103857418A (en) * | 2011-07-27 | 2014-06-11 | 迈柯唯销售服务德国有限公司 | Electronically controlled gas mixing unit for supplying a sweep gas to an oxygenerator |
| CN102500004A (en) * | 2011-11-08 | 2012-06-20 | 芮海荣 | Blood purification therapy oxygen supplying instrument |
| CN102500004B (en) * | 2011-11-08 | 2014-10-15 | 芮海荣 | Blood purification therapy oxygen supplying instrument |
| CN103272293A (en) * | 2013-06-19 | 2013-09-04 | 杨小玉 | Portable life resuscitation machine |
| CN103272293B (en) * | 2013-06-19 | 2015-07-15 | 杨小玉 | Portable life resuscitation machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 Termination date: 20100801 |