CN201510567U - Perfusion device of cardiac arrest liquid - Google Patents
Perfusion device of cardiac arrest liquid Download PDFInfo
- Publication number
- CN201510567U CN201510567U CN2009203117914U CN200920311791U CN201510567U CN 201510567 U CN201510567 U CN 201510567U CN 2009203117914 U CN2009203117914 U CN 2009203117914U CN 200920311791 U CN200920311791 U CN 200920311791U CN 201510567 U CN201510567 U CN 201510567U
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- CN
- China
- Prior art keywords
- blood
- housing
- outlet
- alternating temperature
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 title claims abstract description 13
- 230000010412 perfusion Effects 0.000 title abstract description 13
- 208000010496 Heart Arrest Diseases 0.000 title abstract description 3
- 210000004369 blood Anatomy 0.000 claims abstract description 63
- 239000008280 blood Substances 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 230000017531 blood circulation Effects 0.000 claims abstract description 15
- 238000005266 casting Methods 0.000 claims description 16
- 239000008148 cardioplegic solution Substances 0.000 claims description 9
- 230000009191 jumping Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000002107 myocardial effect Effects 0.000 abstract description 4
- 210000000601 blood cell Anatomy 0.000 abstract description 2
- 238000013022 venting Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000002277 temperature effect Effects 0.000 description 6
- 239000003292 glue Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 235000013569 fruit product Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model relates to a perfusion device of cardiac arrest liquid, comprising an upper cover, a shell and a lower cover, wherein the shell is internally provided with fiber pipe temperature alternating films through which blood passes outside a pipe and water passes inside the pipe; the upper cover is provided with a water inlet and the lower cover is provided with a water outlet; temperature alternating water directly enters the fiber pipe temperature alternating film from the water inlet and then flows from the water outlet after taking away the heat; the shell is internally provided with an occupation core with a central through hole; the top part of the upper cover is provided with a blood inlet communicated with the central through hole of the occupation core; the upper part of the shell is provided with a blood outlet and an air outlet; the side wall at the lower end of the occupation core is provided with a through hole communicated with a blood passing cavity in the shell; and the blood and the arrest liquid enter the shell from the blood inlet and the central through hole of the occupation core, flow from bottom to top through a gap among the fiber pipe temperature alternating films and flow out of the blood outlet after alternating temperature. The perfusion device is reasonable in structure, strong in venting capacity, ideal in temperature alternating effect, few in damaged blood cells, small in the charging quantity of blood and obvious in the effect of myocardial protection. In addition, reasonable blood flow direction and filtration function facilitate the operation of clinical perfusionists.
Description
Technical field
This utility model relates to the medical apparatus and instruments that a kind of surgical operation is used, specifically a kind of cardioplegic solution device for casting.
Background technology
As everyone knows, the method for myocardium protecting liquid device for casting and transfusion is of a great variety at present, and a kind of is to stop jumping liquid through the pre-cooling crystal to add the defeated method of pressure injection, though this method simply can not satisfy the requirement of oxygenated blood methods of myocardial protection.Second method is with about ten meters PE pipe coiling or with the metal coil pipe, immerses the purpose that reaches cooling in the frozen water.But this method has increased the resistance of capacity and pipeline, and is also not too suitable.The third is special-purpose myocardial preservation perfusion instrument, complex structure, cost costliness, very inapplicable.Defectives such as big, the alternating temperature DeGrain of ubiquity resistance of blood flow in the above-mentioned prior art, aerofluxus are undesirable.
Summary of the invention
Technical problem to be solved in the utility model is many deficiencies such as overcome that above-mentioned prior art cardiac stops jumping that liquid irritates that resistance of blood flow is big, alternating temperature DeGrain, aerofluxus are undesirable, provide a kind of structure reasonable, compact conformation, blood flow resistance is little, the alternating temperature effect is remarkable, and safety in utilization is good, and is simple to operate, aerofluxus, easy to connect, multiple functional disposable use cardioplegic solution device for casting.
The technical scheme in the invention for solving the above technical problem is: a kind of cardioplegic solution device for casting, include loam cake, housing, lower cover, the pipe external blood circulation is housed in the housing, the fiber tubular type alternating temperature film of leaking water in the pipe, it is characterized in that: on be covered with water inlet, under be covered with outlet, alternating temperature water is directly entered in the fiber tubular type alternating temperature film by water inlet, discharge from outlet after taking away heat, be provided with the space occupying core of a band central through hole in the housing, last tops is provided with the blood inlet that is communicated with the space occupying core central through hole, housing top is provided with blood outlet and air vent, space occupying core lower end sidewall be provided with housing in walk the port that haemocoele communicates, blood, stop jumping liquid from blood inlet, the space occupying core central through hole enters in the housing, from bottom to top flows by the gap that fiber tubular type alternating temperature is intermembranous, discharges from blood outlet behind the alternating temperature.The space occupying core of this utility model by hollow imports blood in the perfusion housing, and blood from bottom to top, spread to the outside by inside like this, makes the blood flow path lengthening, helps the dispersion that the housing inner blood advances blood, and the alternating temperature effect obviously strengthens, and has promoted the alternating temperature effect.
The said housing of this utility model top is provided with an annular gas collecting belt, and it is communicated with air vent.
The position of air vent is higher than the position of blood outlet on the said housing of this utility model, and like this, the gas after the separation can fully drain in exhaust ports, helps vim and vigour and separates.
The said blood outlet of this utility model front portion is provided with drainage screen, and the blood behind the alternating temperature flows into the perfusion pipeline through filter screen from blood outlet.
This utility model adopts said structure, space occupying core by hollow imports blood in the perfusion housing, blood, stop jumping liquid and spread to the outside by inside, from flowing down, alternating temperature water is from top to bottom mobile, go with blood back flow, against existing technologies, the exchange heat medium is reverse to carry out, and improves the heat exchange effect, reduce blood flow resistance, reduced blood and foreign body contact area and priming volume.Air vent and blood outlet have certain height poor, and the gas that produces in gas in the preliminary filling process and the perfusion is drained by the air vent branch, have increased safety.This utility model structure is reasonable, compact conformation, and blood flow resistance is little; the heat transfer efficiency height, the alternating temperature effect is remarkable, and safety in utilization is good; simple to operate, aerofluxus, easy to connect, multiple functional; exhaust capacity is strong; alternating temperature is satisfactory for result, and blood cell damage is few, and it is little that blood gives charge; the myocardial preservation effect is obvious, and reasonably blood flow direction and filtering function greatly facilitate clinical perfusion's teacher work.It is suitable for open heart operation with extracorporeal circulation and makes cardiac arrest perfusion usefulness, is applicable to that also other histoorgan protection perfusion uses.
Description of drawings
Below in conjunction with accompanying drawing this utility model is further specified.
Fig. 1 is a structural representation of the present utility model;
1. loam cakes among the figure, 2. lower cover, 3. housing, 4. space occupying core, 5. fiber tubular type alternating temperature film, 6. shutoff glue, 7. blood inlet, 8. blood outlet, 9. drainage screen, 10. temperature-measuring port, 11. air vents, 12. water inlets, 13. outlets, 14. spare interface.
The specific embodiment
As can be seen from Figure 1, a kind of cardioplegic solution device for casting of this utility model includes loam cake 1, housing 3, lower cover 2 etc., and the fiber tubular type alternating temperature film 5 of leaking water in pipe external blood circulation, the pipe is housed in the housing 3.Loam cake 1 is tightly connected in upper end and housing 3, and lower cover 2 is tightly connected in housing 3 bottoms and housing 3.Loam cake 1, housing 3, lower cover 2 etc. are the PC transparent material, the blood flow clear route, are easy to observe.Be provided with the space occupying core 4 of a band central through hole in the housing 3, fiber tubular type alternating temperature film 5 is coiled into tubular round space occupying core 4, in the housing 3 of packing into.PU shutoff glue 6 shutoff of fiber tubular type alternating temperature film 5 two ends, two ends form shutoff face, in order to isolate cooling-water duct and blood, to stop jumping the liquid passage.Gap between fiber tubular type alternating temperature film 5 pipes is for walking haemocoele.Described alternating temperature material is a fiber tubular type alternating temperature film, adopts the form of leaking water in pipe external blood circulation, the pipe, and the alternating temperature effect is obvious.During use, the fiber tubular type alternating temperature film 5 that is coiled into tubular is packed in the device for casting housing 3,, make it to form shutoff face, with water stream channel and blood channel isolation with PU shutoff glue 6 shutoff device for casting housings 3 two ends.
Characteristics of the present utility model are: said loam cake 1 sidewall is provided with water inlet 12, and lower cover 2 sidewalls are provided with outlet 13, and alternating temperature water is directly entered in the fiber tubular type alternating temperature film 5 by water inlet 12, takes away behind the heat and discharges from outlet 13.Loam cake 1 top is provided with the blood inlet 7 that is communicated with space occupying core 4 central through holes, housing top is provided with blood outlet 8 and air vent 11, space occupying core 4 lower end sidewalls be provided with housing 3 in walk the port that haemocoele communicates, blood, stop jumping liquid and enter in the housing 3 from blood inlet 7, space occupying core 4 central through holes, from bottom to top flow in gap by 5 of fiber tubular type alternating temperature films, carry out exchange heat with the alternating temperature water in the pipe, discharge from blood outlet 8 behind the alternating temperature.In direct insertion insertion space occupying core 4 central through holes of this utility model loam cake 1 cylindrical shape blood inlet abutting end, form a blood channel.Space occupying core by hollow imports blood in the perfusion housing, blood by inside to outside, spread from bottom to top, flow, like this, make the blood flow path lengthening, help the dispersion that the housing inner blood advances blood, the alternating temperature effect obviously strengthens.
The said housing of this utility model 3 tops are provided with an annular gas collecting belt, and it is communicated with air vent 11.The position of air vent 11 is higher than the position of blood outlet 8 on the said housing, the gas that pre-filling does not drain in the device for casting is the same with blood flow direction, and gaseous mass is low weight, and microbubble can arrive air vent prior to blood, help the separation and the eliminating of QI and blood, prevent that microbubble from entering blood outlet.Like this, the gas after the separation can fully drain in exhaust ports, helps vim and vigour and separates.
The said blood outlet of this utility model 8 front portions are provided with drainage screen 9, and drainage screen 9 is fixed in the draw-in groove at device for casting housing 3 tops, the blood that advances in the device for casting can be filtered again.Blood behind the alternating temperature flows into the perfusion pipeline through filter screen from blood outlet.
The said lower housing portion of this utility model also is provided with a spare interface 14.Be squeezed use as fruit product, this spare interface also can be used as air vent and uses so.The said housing of this utility model top also is provided with temperature-measuring port 10.Be convenient for measuring, monitor blood and stop jumping the temperature of liquid by temperature-measuring port 10.Temperature controlling head adopts movable connection method, and is convenient and swift.
This utility model in use, alternating temperature water is directly entered fiber tubular type alternating temperature film inside, is taken away heat and discharge from outlet by water inlet.Blood, stop jumping liquid and enter in the device for casting housing through blood inlet, space occupying core central through hole, see through the intermembranous gap of fiber tubular type alternating temperature and move from bottom to top, the blood behind the alternating temperature flows into intrusion pipe from blood outlet behind the net filtration after filtration.
Claims (4)
1. cardioplegic solution device for casting, include loam cake, housing, lower cover, the pipe external blood circulation is housed in the housing, the fiber tubular type alternating temperature film of leaking water in the pipe, it is characterized in that: on be covered with water inlet, under be covered with outlet, alternating temperature water is entered in the fiber tubular type alternating temperature film by water inlet, discharge from outlet after taking away heat, be provided with the space occupying core of a band central through hole in the housing, last tops is provided with the blood inlet that is communicated with the space occupying core central through hole, housing top is provided with blood outlet and air vent, space occupying core lower end sidewall be provided with housing in walk the port that haemocoele communicates, blood, stop jumping liquid from blood inlet, the space occupying core central through hole enters in the housing, from bottom to top flows by the gap that fiber tubular type alternating temperature is intermembranous, discharges from blood outlet behind the alternating temperature.
2. cardioplegic solution device for casting according to claim 1 is characterized in that: said housing top is provided with an annular gas collecting belt, and it is communicated with air vent.
3. cardioplegic solution device for casting according to claim 1 is characterized in that: the position of air vent is higher than the position of blood outlet on the said housing.
4. cardioplegic solution device for casting according to claim 1 is characterized in that: said blood outlet front portion is provided with drainage screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203117914U CN201510567U (en) | 2009-09-29 | 2009-09-29 | Perfusion device of cardiac arrest liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203117914U CN201510567U (en) | 2009-09-29 | 2009-09-29 | Perfusion device of cardiac arrest liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201510567U true CN201510567U (en) | 2010-06-23 |
Family
ID=42481962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203117914U Expired - Lifetime CN201510567U (en) | 2009-09-29 | 2009-09-29 | Perfusion device of cardiac arrest liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201510567U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104144718A (en) * | 2012-03-02 | 2014-11-12 | 美敦力公司 | Extracorporeal blood circuit reservoir with angled venous inlet luer port |
| CN105833373A (en) * | 2016-06-13 | 2016-08-10 | 北京米道斯医疗器械有限公司 | Hollow fiber membrane oxygenator and method |
| CN106267410A (en) * | 2016-07-01 | 2017-01-04 | 翁炳焕 | HIV (human immunodeficiency virus) infection cell separator |
| CN108371732A (en) * | 2018-04-17 | 2018-08-07 | 复旦大学附属中山医院 | Myocardial protective liquid filling device |
| CN113144318A (en) * | 2021-04-08 | 2021-07-23 | 陕西省人民医院 | Low-capacity self-exhaust blood temperature changer |
| CN114342918A (en) * | 2021-02-08 | 2022-04-15 | 苏州心擎医疗技术有限公司 | Warm blood organ transport platform and method of venting |
-
2009
- 2009-09-29 CN CN2009203117914U patent/CN201510567U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104144718A (en) * | 2012-03-02 | 2014-11-12 | 美敦力公司 | Extracorporeal blood circuit reservoir with angled venous inlet luer port |
| CN104144718B (en) * | 2012-03-02 | 2017-08-15 | 美敦力公司 | Blood device is store with the extracorporeal blood circuit for tilting venous inlet Rule port |
| CN105833373A (en) * | 2016-06-13 | 2016-08-10 | 北京米道斯医疗器械有限公司 | Hollow fiber membrane oxygenator and method |
| CN106267410A (en) * | 2016-07-01 | 2017-01-04 | 翁炳焕 | HIV (human immunodeficiency virus) infection cell separator |
| CN106267410B (en) * | 2016-07-01 | 2019-03-08 | 翁炳焕 | HIV infection cell separator |
| CN108371732A (en) * | 2018-04-17 | 2018-08-07 | 复旦大学附属中山医院 | Myocardial protective liquid filling device |
| CN114342918A (en) * | 2021-02-08 | 2022-04-15 | 苏州心擎医疗技术有限公司 | Warm blood organ transport platform and method of venting |
| CN114342918B (en) * | 2021-02-08 | 2023-01-17 | 苏州心擎医疗技术有限公司 | Warm blood organ transport platform and method of venting |
| CN113144318A (en) * | 2021-04-08 | 2021-07-23 | 陕西省人民医院 | Low-capacity self-exhaust blood temperature changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |