CN2159220Y - Membrance oxygenator with blood reservoir for internal suction - Google Patents
Membrance oxygenator with blood reservoir for internal suction Download PDFInfo
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- CN2159220Y CN2159220Y CN 93212528 CN93212528U CN2159220Y CN 2159220 Y CN2159220 Y CN 2159220Y CN 93212528 CN93212528 CN 93212528 CN 93212528 U CN93212528 U CN 93212528U CN 2159220 Y CN2159220 Y CN 2159220Y
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Abstract
The utility model relates to a membrane oxygenator with a cardiotomy suction blood storing device. The center of an oxygenation blood storing filter chamber is provided with an air occupying device of which the outer part is provided with a hollow fiber oxygenation chamber, wherein the outer part of the oxygenation chamber is provided with an arterial blood storing chamber; a defoaming net and a filtering net are arranged between the oxygenation chamber and the arterial blood storing chamber; a recovery blood inlet of a recovery blood defoaming filter chamber is communicated with a recovery blood collecting chamber positioned at the center of the recovery blood defoaming filter chamber by a recovery defoaming and filtering net; the recovery blood collecting chamber is communicated with a heat exchange chamber by a recovery blood collecting tube arranged in the air occupying device. The utility model has all the functions of a membrane oxygenator and a cardiotomy suction blood storing device, and has the advantages of high oxygenation efficiency, simple structure, small size and low cost.
Description
This utility model relates to a kind of tremulous pulse storage blood group hollow-fiber membrane oxygenator with cardiotomy suction storage blood device.
At present, the membrane oxygenator of Shi Yonging clinically, oxygenate part is many is made by hollow fiber film tube for they, and be divided into two classes according to its pathway of blood flow: a class is to walk blood in the doughnut, doughnut is ventilated outward, because it is bigger to walk blood transmembrane pressure drop in the doughnut, resistance of blood flow is big, and the oxygenate area is less, need big with the doughnut amount, therefore cost is higher, as, the TERUMO CAPIOX oxygenator of Japan; Another kind of is the doughnut external blood circulation, ventilation in the doughnut, and the transmembrane pressure drop of this class oxygenate gas is less, and effectively the oxygenate area is bigger, as, the SARNS MO of the U.S.; MEDTRONIC MAXIMA; Gondola DIDECO oxygenator, its cost is also higher.Existing oxygenator generally has six functions preferably, i.e. mainly there is following defective in oxygenate, heat exchange, storage blood (mostly being vein storage blood), froth breaking, cardiotomy suction, filtration etc.:
1, patient's vein blood enters intravenous type storage blood device by gravity drainage, connects one section pump line then and with the artificial heart (blood pump) venous blood is pumped into variable-temperature oxygen and attach together and put, and enters the tremulous pulse pipeline at last.This oxygenator is by two device applied in any combination, complex structure, and volume is big.
2, the oxygenate heat exchange section is after blood pump, and the transmembrane pressure drop is bigger, easily causes mesopore fibrous membrane tracheal rupture, because the heat exchange oxygenate is after blood pump, be high-pressure section, so that the interface section will reinforce is firm, otherwise the danger that easily causes pipeline to throw off, safety, reliability are relatively poor relatively.
3, to be full of heat exchange and oxygenate part with carbon dioxide gas before the preliminary filling liquid, will pat oxygenate and heat exchange section repeatedly behind the preliminary filling liquid, so that air scavenge is clean.Because of this part after blood pump, clean and enter in patient's body as gas row, can cause aeroembolism.Therefore, this version not only makes complicated operation, and unsafe factor is arranged.
4, need to use mist, regulate partial pressure of oxygen with oxygen concentration, with oxygen flow size adjustment partial pressure of carbon dioxide, a gas mixer and air compressor must be arranged for this reason, perhaps adopt blood pump with air and oxygen mix, clinical use is comparatively loaded down with trivial details.
5, oxygenation chamber is after blood pump, and its blood outlet is 3/8 English inch interface, because hemorrhage young, causes in the oxygenation chamber blood flow unbalanced, certain dead space is arranged, so oxygenate efficient is low.Must strengthen the oxygenate area for improving oxygenate efficient, increase doughnut length, thereby cost is improved.
The purpose of this utility model is to avoid above-mentioned weak point of the prior art, and provide a kind of tremulous pulse disposable, band cardiotomy suction storage blood device to store the blood group hollow-fiber membrane oxygenator, it has the repertoire of oxygenator and cardiotomy suction storage blood device concurrently, the transmembrane pressure drop is little, oxygenate efficient and carbon dioxide are discharged the ability height, and volume is little, and cost is low, simple in structure, operate, use all easy.
The purpose of this utility model can reach by following measure:
A kind of membrane oxygenator with cardiotomy suction storage blood device, comprise and reclaim blood froth breaking filter chamber, oxygenate storage blood filter chamber and heat-exchanging chamber, its special character is, described oxygenate storage blood filter chamber is a upright round barrel shape axle center type structure, its center is the duty device, duty device outside is the doughnut oxygenation chamber, the oxygenation chamber bottom is communicated with heat-exchanging chamber, the upper end is through the oxygenation chamber blood outlet and be located at froth breaking net, the drainage screen of oxygenation chamber outside and be communicated with the arterial reservoir that is provided with the arterial hemorrhage mouth, and oxygen feeder is located at bottom the oxygenation chamber; Be provided with horizontal heterotherm tube in the described heat-exchanging chamber, the heat-exchanging chamber bottom is provided with the venous blood inlet; Center, described recovery blood froth breaking filter chamber is to reclaim the blood collecting chamber, and it is communicated with heat-exchanging chamber by the recovery blood collecting pipe of being located in the duty device, reclaims the blood inlet and is communicated with recovery blood collecting chamber through reclaiming froth breaking net and drainage screen.
The upper cover end top of doughnut is communicated with in arterial reservoir of the present utility model top and the oxygenation chamber, and all be located at the arterial reservoir top cover on oxygen exhaust and air vent be communicated with.
Oxygenation chamber blood outlet of the present utility model is that level is distributed in rectangular slit on the oxygenation chamber outer wall or intensive aperture.
Arterial reservoir of the present utility model top is provided with the aerofluxus dosing mouth; Top, described recovery chamber is provided with filters preliminary filling mouth and aerofluxus dosing mouth, and described recovery blood collecting chamber top is provided with quick preliminary filling mouth and the quick dosing mouth of aerofluxus.
Accompanying drawing is a structural representation of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing:
Referring to accompanying drawing, this utility model top is for reclaiming blood froth breaking filter chamber, and the middle part is oxygenate storage blood filter chamber 29, and the bottom is a heat-exchanging chamber 1.Oxygenate storage blood filter chamber 29 is a upright round barrel shape axle center type structure, and its center is a round barrel shape duty device 30, and duty device 30 outsides are oxygenation chambers 6, and it is made of the doughnut and the oxygenation chamber outer wall 7 that are around in an orderly manner on the duty device 30.The upper/lower terminal of doughnut forms upper cover end 27 and lower seal head end 4 with polyamine fat end socket, and seal head end all is cut off doughnut through cutting herein, exposes centre bore.Oxygenation chamber 6 belows are provided with breather chamber 3, which is provided with oxygen feeder 31.The outside of oxygenation chamber 6 is provided with the support 9 of froth breaking drainage screen, support 9 is made of some vertically disposed brace rods, make the froth breaking net 8 and 7 of the oxygenation chamber outer walls that are paperwrapped on the oxygenation chamber 6 leave certain clearance, the top of oxygenation chamber outer wall 7 is provided with oxygenation chamber outlet 12.Oxygenation chamber outlet 12 is distributed in rectangular slit on the oxygenation chamber outer wall 7 or intensive aperture for level.The outside of froth breaking net 8 is a drainage screen 11, drainage screen 11 outsides are arterial reservoir 10, arterial reservoir 10 bottoms are provided with arterial hemorrhage mouth 2, and the upper end is provided with storage blood chamber top cover 13, and storage blood chamber top cover 13 is provided with aerofluxus dosing mouth 14 and 25, oxygen exhaust 15 and air vent 26.Arterial reservoir 10 tops are connected with the top of oxygenation chamber 6 doughnut upper cover ends 27, and all be communicated with oxygen exhaust 15 and air vent 26, oxygen by doughnut upper cover end 27 is discharged can enter tremulous pulse oxygenation chamber 10, makes blood herein can proceed oxygenate.Bottom of the present utility model is a heat-exchanging chamber 1, and its inside is provided with some horizontal heat-exchange tubes, and the water inlet 33 of heat-exchange tube and outlet 32 are located at the outside of heat-exchanging chamber 1, and its outside also is provided with venous blood inlet 34.Heat-exchanging chamber 1 is gone into blood mouth 5 with oxygenation chamber 6 through oxygenation chamber and is communicated with.This utility model top is for reclaiming blood froth breaking filter chamber, its center is for reclaiming blood collecting chamber 16, its lower end is communicated with heat-exchanging chamber 1 by the recovery blood collecting pipe of being located in the duty device 30 28, its outside is provided with reclaims drainage screen 24, it is outside for reclaiming froth breaking net 23 to reclaim drainage screen 24, froth breaking net 23 is outside for reclaiming chamber 22, the upper end of reclaiming chamber 22 is provided with reclaims blood inlet 17, aerofluxus dosing mouth 18 and filters preliminary filling mouth 21, and the upper end of reclaiming blood collecting chamber 16 is provided with quick preliminary filling mouth 19 and the quick dosing mouth 20 of aerofluxus.During use, patient's superior and inferior vena cava blood is gone into blood mouth 34 introducing heat-exchanging chambers 1 through emissary vein by vein and is carried out heat exchange, and upwards going into blood mouth 5 by oxygenation chamber enters oxygenation chamber 6 then, walks the outside of doughnut.Oxygen by oxygen feeder 31 enters in the doughnut through the lower seal head end 4 of breather chamber 3 by doughnut, carry out gas exchange with blood in the oxygenation chamber 6 after, residual gas is discharged by oxygen exhaust 15 and air vent 26 through the upper cover end 27 of doughnut.Blood in oxygenation chamber 6 behind oxygenate is drawn by oxygenation chamber blood outlet 12, enters arterial reservoir 10 through froth breaking net 8 and drainage screen 11.Reclaim blood and enter, enter and reclaim blood collecting chamber 16, enter heat-exchanging chamber 1 in and venous blood together carries out heat exchange through reclaiming blood collecting pipe 28 again through reclaiming froth breaking net 23 and reclaiming drainage screen 24 by reclaiming blood inlet 17.Oxygenated blood in the arterial reservoir 10 enters blood pump by arterial hemorrhage mouth 2, imports human body again, perfect aspect outer circulation thus.
This utility model housing mainly adopts transparent hard non-toxic high molecular material; Each connecting portion is the bonding form of clamping; The froth breaking net all adopts the mesopore polyurethane foam; Drainage screen 11 is the tremulous pulse drainage screen, can adopt nylon screen; Reclaim drainage screen 19 and can adopt absorbent-type depth-type filtration felt.
The utility model compared with prior art has following advantage:
1, has the repertoire of membrane oxygenator and cardiotomy suction storage blood device concurrently.
2, the transmembrane pressure drop is little, must exhaust during preliminary filling, and must not adopt mist can effectively regulate partial pressure of oxygen and partial pressure of carbon dioxide.
3, oxygenation property is stable, oxygenation efficiency height, carbon dioxide discharge rate height.
4, need not blood be pumped into oxygenation chamber with blood pump, operation, use are all convenient.
5, simple in structure, volume is little, and cost is low.
6, interpatient cross infection has been avoided in disposable use.
7, safe and reliable.
Claims (4)
1, a kind of membrane oxygenator with cardiotomy suction storage blood device, comprise and reclaim blood froth breaking filter chamber, oxygenate storage blood filter chamber and heat-exchanging chamber, it is characterized in that: described oxygenate storage blood filter chamber is a upright round barrel shape axle center type structure, its center is the duty device, duty device outside is the doughnut oxygenation chamber, the oxygenation chamber bottom is communicated with heat-exchanging chamber, the upper end is through the oxygenation chamber blood outlet and be located at froth breaking net, the drainage screen of oxygenation chamber outside and be communicated with the arterial reservoir that is provided with the arterial hemorrhage mouth, and oxygen feeder is located at bottom the oxygenation chamber; Be provided with horizontal heterotherm tube in the described heat-exchanging chamber, the heat-exchanging chamber bottom is provided with the venous blood inlet; Center, described recovery blood froth breaking filter chamber is to reclaim the blood collecting chamber, and it is communicated with heat-exchanging chamber by the recovery blood collecting pipe of being located in the duty device, reclaims the blood inlet and is communicated with recovery blood collecting chamber through reclaiming froth breaking net and drainage screen.
2, the membrane oxygenator of band cardiotomy suction storage blood device as claimed in claim 1, it is characterized in that: the upper cover end top of doughnut is communicated with in described arterial reservoir top and the oxygenation chamber, and all be located at the arterial reservoir top cover on oxygen exhaust and air vent be communicated with.
3, the membrane oxygenator of band cardiotomy suction as claimed in claim 1 or 2 storage blood device is characterized in that: described oxygenation chamber blood outlet is that level is distributed in rectangular slit on the oxygenation chamber outer wall or intensive aperture.
4, the membrane oxygenator of band cardiotomy suction storage blood device as claimed in claim 3, it is characterized in that: described arterial reservoir top is provided with the aerofluxus dosing mouth; Top, described recovery chamber is provided with filters preliminary filling mouth and aerofluxus dosing mouth, and described recovery blood collecting chamber top is provided with quick preliminary filling mouth and the quick dosing mouth of aerofluxus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93212528 CN2159220Y (en) | 1993-05-15 | 1993-05-15 | Membrance oxygenator with blood reservoir for internal suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93212528 CN2159220Y (en) | 1993-05-15 | 1993-05-15 | Membrance oxygenator with blood reservoir for internal suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2159220Y true CN2159220Y (en) | 1994-03-23 |
Family
ID=33793839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93212528 Expired - Fee Related CN2159220Y (en) | 1993-05-15 | 1993-05-15 | Membrance oxygenator with blood reservoir for internal suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2159220Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790392B (en) * | 2007-08-27 | 2012-09-26 | 株式会社Jms | Blood storage vessel |
| CN105396187A (en) * | 2015-12-29 | 2016-03-16 | 中国科学院苏州生物医学工程技术研究所 | Extra corporeal membrane oxygenation device |
| 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 |
| CN113082339A (en) * | 2021-04-15 | 2021-07-09 | 上海超高环保科技股份有限公司 | Method for manufacturing ultra-high molecular artificial lung |
| CN113440680A (en) * | 2020-07-24 | 2021-09-28 | 中国人民解放军总医院京南医疗区 | Oxygenation ablation device and infusion device |
-
1993
- 1993-05-15 CN CN 93212528 patent/CN2159220Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790392B (en) * | 2007-08-27 | 2012-09-26 | 株式会社Jms | Blood storage vessel |
| CN105396187A (en) * | 2015-12-29 | 2016-03-16 | 中国科学院苏州生物医学工程技术研究所 | Extra corporeal membrane oxygenation device |
| 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 |
| CN113440680A (en) * | 2020-07-24 | 2021-09-28 | 中国人民解放军总医院京南医疗区 | Oxygenation ablation device and infusion device |
| CN113082339A (en) * | 2021-04-15 | 2021-07-09 | 上海超高环保科技股份有限公司 | Method for manufacturing ultra-high molecular artificial lung |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |