CN107432960A - A kind of double helix water conservancy diversion integrated form membrane oxygenator - Google Patents
A kind of double helix water conservancy diversion integrated form membrane oxygenator Download PDFInfo
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- CN107432960A CN107432960A CN201710817398.1A CN201710817398A CN107432960A CN 107432960 A CN107432960 A CN 107432960A CN 201710817398 A CN201710817398 A CN 201710817398A CN 107432960 A CN107432960 A CN 107432960A
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- Prior art keywords
- oxygen
- water conservancy
- conservancy diversion
- membrane
- blood
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- 239000012528 membrane Substances 0.000 title claims abstract description 149
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000008280 blood Substances 0.000 claims abstract description 97
- 210000004369 blood Anatomy 0.000 claims abstract description 97
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 94
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 93
- 239000001301 oxygen Substances 0.000 claims abstract description 93
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 25
- 239000012510 hollow fiber Substances 0.000 claims description 16
- 235000012489 doughnuts Nutrition 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 3
- 230000000740 bleeding effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims 3
- 238000010276 construction Methods 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 abstract description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 9
- 230000017531 blood circulation Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000006213 oxygenation reaction Methods 0.000 description 5
- 210000004072 lung Anatomy 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 239000010151 yanghe Substances 0.000 description 2
- 208000010496 Heart Arrest Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000000157 blood function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000000287 tissue oxygenation Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
-
- 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
-
- 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
- A61M1/3666—Cardiac or cardiopulmonary bypass, e.g. heart-lung machines
Abstract
The present invention relates to a kind of double helix water conservancy diversion integrated form membrane oxygenator, it, which includes lower cover, oxygen conjunction portion and upper lid, lower cover, has escape pipe；Oxygen conjunction portion is arranged at lower cover and closes housing and oxygen plying membrane structure including core shaft structure, oxygen, and oxygen, which closes housing, has blood vessel, goes out blood vessel close to lower cover；Upper lid is arranged at oxygen conjunction portion, and has into blood vessel and oxygen feeding tube；Wherein core shaft structure includes mandrel body and ring diversion plate, mandrel body has first end and the second end, there is blood channel, ring diversion plate is sheathed on mandrel body, and ring diversion plate has at least one blood port of annular arrangement and at least one spiral stream guidance groove between first end and upper lid.The core shaft structure of the double helix water conservancy diversion integrated form membrane oxygenator of the application guides blood by the ring diversion plate of the flow-guiding structure with spiral stream guidance groove and spread, increase blood and the contact area and diffusion area of cortina structure, lifts the utilization rate of cortina structure.
Description
Technical field
The present invention relates to a kind of technical field of medical device product, more particularly to a kind of double helix water conservancy diversion integrated form membrane type
Oxygenator.
Background technology
Membrane oxygenator is the medicine equipment that cardiac arrest replaces lung, has oxygen and carbon dioxide content in regulation blood
Function, be the indispensable Medical Devices of operation on vessels of heart, and treatment acute respiratory illness and wait the lung transplantation stage indispensable
Medical Devices.Membrane oxygenator principle be will outside internal venous blood lead body, after membrane oxygenator carry out oxygen and
Carbon dioxide exchange becomes arterial blood, then feeds back patient artery system, maintains the supply of human internal organ tissue oxygenation blood, is performing the operation
During temporarily substitute lung effect, while for doctor provide peace and quiet, without blood, clearly surgical environments, in order to implement to perform the operation.
So the utilization rate of the cortina structure in current membrane oxygenator is not high, mainly because of its blood water conservancy diversion diffuser efficiency not
Good, blood is easily piled up in certain in membrane oxygenator, and is only flowed through from certain of cortina structure, and blood will not be from silk
The other positions of membrane structure flow through.
The content of the invention
For deficiency of the prior art, it is an object of the invention to provide a kind of double helix water conservancy diversion integrated form membrane oxygenation
Device, it includes：Lower cover, it has escape pipe；Oxygen conjunction portion, it is arranged at the lower cover, and including core shaft structure, oxygen close housing and
The oxygen plying membrane structure being arranged between core shaft structure and oxygen the conjunction housing, the oxygen, which closes housing, has blood vessel, the bleeding
Pipe is close to the lower cover；And upper lid, it is arranged at the oxygen conjunction portion, and has into blood vessel and oxygen feeding tube, the oxygen feeding tube and
Escape pipe connects the space between core shaft structure and oxygen the conjunction housing；Wherein described core shaft structure includes mandrel body and annular water conservancy diversion
Plate, the mandrel body have the second end of first end and the connection first end, had between the first end and upper lid
There is blood channel, the ring diversion plate is sheathed on the mandrel body, and the ring diversion plate has at least the one of annular arrangement
Individual blood port and at least one spiral stream guidance groove, at least one blood port of the ring diversion plate correspond to the mandrel body
First end, at least one spiral stream guidance groove of the ring diversion plate is arranged at the outer surface of the ring diversion plate, and
Positioned at the side of at least one blood port of the ring diversion plate.
Compared with prior art, the application can be obtained including following technique effect：
The core shaft structure of the application has ring diversion plate, and ring diversion plate passes through the flow-guiding structure with spiral stream guidance groove
Blood flow is guided, and blood is shunted, increases the diffusion area of blood, increase blood and the contact area of cortina structure,
The effectively utilization rate of lifting cortina structure, while lift the oxygenation efficiency of membrane oxygenator.
Brief description of the drawings
Fig. 1 is the stereogram of the double helix water conservancy diversion integrated form membrane oxygenator of the application first embodiment.
Fig. 2 is the assembling figure of the double helix water conservancy diversion integrated form membrane oxygenator of the application first embodiment.
Fig. 3 is the profile of the double helix water conservancy diversion integrated form membrane oxygenator of the application first embodiment.
Fig. 4 is the assembling figure of the double helix water conservancy diversion integrated form membrane oxygenator of the application second embodiment.
Fig. 5 is the schematic diagram of the toroidal membrane of the embodiment of the application the 3rd.
Fig. 6 is the profile of the double helix water conservancy diversion integrated form membrane oxygenator of the embodiment of the application the 4th.
Fig. 7 is the schematic diagram of the middle toroidal membrane of the embodiment of the application the 5th.
Fig. 8 is the schematic diagram of the outer ring dividing plate of the embodiment of the application the 5th.
Fig. 9 is the schematic diagram of the cortina structure of the embodiment of the application the 6th.
Embodiment
Multiple embodiments of the application, as clearly stated, the details in many practices will be disclosed with schema below
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the application.Also
It is to say, in some embodiments of the application, the details in these practices is non-essential.In addition, for the sake of simplifying schema,
Some known usual structures will illustrate it in a manner of simply illustrative in the drawings with component.
On its " first " used herein, " second " etc., the meaning of order or cis-position is not especially censured, also non-use
To limit the application, it is just for the sake of difference with the component of constructed term description or operation.
Fig. 1, Fig. 2 and Fig. 3 are referred to, it is the double helix water conservancy diversion integrated form membrane oxygenator of the application first embodiment
1 stereogram, assembling figure and profile；As illustrated, present embodiment provides a kind of double helix water conservancy diversion integrated form membrane oxygenation
Device 1, double helix water conservancy diversion integrated form membrane oxygenator 1 include lower cover 10, oxygen conjunction portion 11 and upper lid 12, and oxygen conjunction portion 11 is arranged at lower cover
Between 10 and upper lid 12.Lower cover 10 include lower lid housing 101, first time annular brace piece 102a, second time annular brace piece 102b,
There is lower surface 1011 and ring to set the lower annular sidewall on surface 1011 for escape pipe 103 and water inlet pipe 104, lower lid housing 101
1012.First time annular brace piece 102a and second time annular brace piece 102b is arranged at the lower surface 1011 of lower lid housing 101,
Second time annular brace piece 102b is located in lower annular sidewall 1012 positioned at first time annular brace piece 102a outside, the
Once annular brace piece 102a diameter is less than second time annular brace piece 102b diameter, first time annular brace piece 102a's
Center, second time annular brace piece 102b center are centrally located on same line with lower cover 10, i.e. first time annular brace piece
102a and second time annular brace piece 102b in lower lid housing 101 in making concentric arrays.Escape pipe 103 is arranged at lower lid housing
101 lower surface 1011, and the space between second time annular brace piece 102b and lower annular sidewall 1012 connects.Water inlet pipe
104 are arranged at lower annular sidewall 1012, and run through lower annular sidewall 1012 and second time annular brace piece 102b, water inlet pipe 104
Connect the space between second time annular brace piece 102b and first time annular brace piece 102a.
Oxygen conjunction portion 11 includes core shaft structure 110, toroidal membrane 111, oxygen and closes housing 112, lower barrier structure 113, alternating temperature silk
Membrane structure 114, oxygen plying membrane structure 115 and upper barrier structure 116, core shaft structure 110 are arranged at first time annular brace piece
102a, and in first time annular brace piece 102a.Toroidal membrane 111 is arranged at second time annular brace piece 102b, and position
In the outside of core shaft structure 110.Oxygen closes housing 112 and is arranged at the lower annular sidewall 1012 of lower lid housing 101, and has blood vessel
1121 and circulating exhaust pipe 1122, go out blood vessel 1121 close to lower cover 10, circulating exhaust pipe 1122 is located at the top of blood vessel 1121, and
Away from lower cover 10, the space gone out between blood vessel 1121 and the connection core shaft structure 110 of circulating exhaust pipe 1122 and oxygen conjunction housing 112.Under
Barrier structure 113 is arranged on core shaft structure 110 and is covered on lower cover 10, and closes housing 112 positioned at core shaft structure 110 and oxygen
Between.Alternating temperature cortina structure 114 is arranged in core shaft structure 110, and is arranged on lower barrier structure 113, and is located at core shaft structure 110
Between toroidal membrane 111, temperature-varying zone is formed between such core shaft structure 110 and toroidal membrane 111.Oxygen plying membrane structure 115 is worn
In core shaft structure 110, and it is arranged on lower barrier structure 113, and between toroidal membrane 111 and oxygen close housing 112, such ring
Shape dividing plate 111 and oxygen form Yang He areas between closing housing 112.Upper barrier structure 116 is arranged on core shaft structure 110, and is arranged at
In alternating temperature cortina structure 114 and oxygen plying membrane structure 115, and between core shaft structure 110 and oxygen close housing 112.
The core shaft structure 110 of present embodiment includes mandrel body 1101 and ring diversion plate 1102, and mandrel body 1101 has
First end 1101a and connection first end 1101a the second end 1101b, the second end 1101b external diameter are more than first end
Portion 1101a external diameter, the second end 1101b are arranged in first time annular brace piece 102a.Ring diversion plate 1102 is arranged in
Mandrel body 1101, and it is arranged at first time annular brace piece 102a of lower cover 10.There are ring diversion plate 1102 multiple blood to lead to
Mouth 11023 and multiple spiral stream guidance grooves 11022, the first end 1101a of the corresponding mandrel body 1101 of multiple blood ports 11023,
Multiple guiding gutters 11022 are arranged at intervals at the outer surface of ring diversion plate 1102, and positioned at the one of multiple blood ports 11023
Side, and the second end 1101b of corresponding mandrel body 1101.One end of each spiral stream guidance groove 11022 to its other end water
Flat circumferential length is more than the half all Long of circle of ring diversion plate 1102, one end of each spiral stream guidance groove 11022 and its other end
Vertical range between the ring diversion plate 1102 of half height with 2/3rds ring diversion plate 1102 height.
The first end 1101a of right mandrel body 1101 has water conservancy diversion cambered surface 11011, each spiral stream guidance groove 11022
One end connection water conservancy diversion cambered surface 11011, in other words, multiple spiral stream guidance grooves 11022 are located at the first end of mandrel body 1101
1101a side, and the second end 1101b of corresponding mandrel body 1101.The water conservancy diversion cambered surface 11011 of mandrel body 1101 can buffer blood
The flow velocity of liquid, and guide blood and swimmingly flow and will not be accumulated in the first end of mandrel body 1101 in blood channel, blood
1101a.Right multiple spiral stream guidance grooves 11022 are directly connected to water conservancy diversion cambered surface 11011, and water conservancy diversion cambered surface 11011 can directly guide blood
To multiple spiral stream guidance grooves 11022, blood quickly fills up multiple spiral stream guidance grooves 11022.
The toroidal membrane 111 of present embodiment has the multiple blood ports 1111 annularly arranged, multiple blood ports
1111 are used as flow-guiding structure, and multiple blood ports 1111 are close to lower cover 10.The toroidal membrane 111 of present embodiment mainly reaches branch
The effect of support, and extend the path of blood diffusion, increase blood and alternating temperature cortina structure 114 and oxygen plying membrane structure 115 connect
Contacting surface product and diffusion area, more lift the utilization rate of alternating temperature cortina structure 114 and oxygen plying membrane structure 115.
Upper lid 12 includes annular brace piece 122a on shell of top cover body 121, first, annular brace piece 122b on second, enters blood
There is upper surface 1211 and ring to set the upper annular of upper surface 1211 for pipe 124, oxygen feeding tube 125 and outlet pipe 126, shell of top cover body 121
Side wall 1212.Annular brace piece 122b is arranged at the upper surface of shell of top cover body 121 on annular brace piece 122a and second on first
1211, annular brace piece 122b annular brace piece 122a on the outside of annular brace piece 122a on first, first on second
And annular brace piece 122b is located in upper annular sidewall 1212 on second, annular branch on annular brace piece 122a and second on first
Blade 122b center is centrally located on same line with shell of top cover body 121.Enter blood vessel 124 and be arranged at the upper of shell of top cover body 121
Annular sidewall 1212, and the annular brace piece 122a on annular brace piece 122b and first on upper annular sidewall 1212, second,
And the space in connection first in annular brace piece 122a.Oxygen feeding tube 125 is arranged at the upper annular sidewall of shell of top cover body 121
1212, and run through upper annular sidewall 1212, the sky of oxygen feeding tube 125 and annular brace piece 122b on upper annular sidewall 1212 and second
Between connect.Outlet pipe 126 is arranged at the upper annular sidewall 1212 of shell of top cover body 121, and runs through upper annular sidewall 1212 and second
Upper annular brace piece 122b, and connect the space on first on annular brace piece 122a and second between annular brace piece 122b.
When upper lid 12 is arranged at oxygen conjunction portion 11, on first on annular brace piece 122a and second annular brace piece 122b in
Making concentric arrays in shell of top cover body 121, first time annular brace piece 102a is corresponding with annular brace piece 122a on first, and second
Lower annular brace piece 102b is corresponding with annular brace piece 122b on second, the upper annular sidewall 1212 and lower cover of shell of top cover body 121
The correspondence of lower annular sidewall 1012 of housing 101, annular brace piece 122b on the upper annular sidewall 1212, second of shell of top cover body 121
And annular brace piece 122a is arranged in oxygen conjunction housing 112, toroidal membrane 111 and the core shaft structure in oxygen conjunction portion 11 respectively on first
110 ring diversion plate 1102.Lower cover 10, oxygen conjunction portion 11 and upper lid 12 are centrally located on same line.
Space and upper lid between first time annular brace piece 102a of lower lid housing 101 and second time annular brace piece 102b
The corresponding core shaft structure 110 in space on the first of housing 121 between annular brace piece 122a and annular brace piece 122b on second with
Space between toroidal membrane 111, the water inlet pipe 104 of lower cover 10 and the outlet pipe 126 of upper lid 12 connect core shaft structure 110 and annular
Space between dividing plate 111.Space between the lower annular sidewall 1012 of lower lid housing 101 and second time annular brace piece 102b and on
The corresponding core shaft structure 110 in space between the upper annular sidewall 1212 of lid housing 121 and annular brace piece 122b on second closes with oxygen
Space between housing 112, the oxygen feeding tube 125 of upper lid 12 and the escape pipe 103 of lower cover 10 connect core shaft structure 110 and close housing with oxygen
Space between 112.
The double helix water conservancy diversion integrated form membrane oxygenator 1 of present embodiment is in use, the blood of extracorporeal blood circuit device
The blood channel that enters blood vessel 124 enter mandrel body 1101 of the liquid from double helix water conservancy diversion integrated form membrane oxygenator 1.When blood is from more
When individual blood port 11023 flows into, blood flows from top to bottom along the outer surface of ring diversion plate 1102, and blood rapidly flows
Enter the multiple spiral stream guidance grooves 11022 connected with multiple blood ports 11023, now blood is multiple from ring diversion plate 1102
Spiral stream guidance groove 11022 flows to alternating temperature cortina structure 114, contact area and diffusion of the increase blood with alternating temperature cortina structure 114
Area, the utilization rate of increase alternating temperature cortina structure 114, the pressure of reduction double helix water conservancy diversion integrated form membrane oxygenator 1, in other words
Say, the ring diversion plate 1102 of present embodiment is by the flow-guiding structure with multiple spiral stream guidance grooves 11022, to reach above-mentioned
Effect.
When blood enters alternating temperature cortina structure 114, while the water inlet pipe 104 of the water of modulated temperature from lower cover 10 is logical
Enter, the water of modulated temperature is from close to the past alternating temperature cortina structure close to upper lid 10 in one end of alternating temperature cortina structure 114 of lower cover 10
114 other ends are flowed, and the blood heat of alternating temperature cortina structure 114 is spread in by the adjustment of its temperature.Diffuse to alternating temperature cortina knot
The structure 114 and blood of adjusted temperature flows toward lower cover 10, then flowed into from multiple blood ports 1111 of toroidal membrane 111, blood
Liquid spreads toward oxygen plying membrane structure 115.
When right blood flows into oxygen plying membrane structure 115, oxygen is inputted to annular brace piece 122b on second from oxygen feeding tube 125
The space between housing 112 is closed with oxygen, in other words, oxygen and the blood in oxygen plying membrane structure 115 of oxygen feeding tube 125 carry out oxygen
Closing, replace out the carbon dioxide in blood, oxygen produces carbon dioxide during closing, and carbon dioxide sinks down into lower cover 10, and under
The escape pipe 103 of lid 10 is discharged.The blood vessel 1121 that goes out for most closing housing 112 from oxygen through the blood that oxygen closes afterwards is discharged.
Above-mentioned alternating temperature cortina structure 114 and oxygen plying membrane structure 115 include multilayer hollow fiber layer respectively, in each layer
The section of the hollow fiber conduit of hollow fiber layer is circular, square or oval, and every layer of doughnut is produced when rupture
Gas from oxygen close housing 112 circulating exhaust pipe 1122 discharge.Lower barrier structure 113 and upper barrier structure 116 barrier is located at
Blood in alternating temperature cortina structure 114 and oxygen plying membrane structure 115 moves toward lower cover 10 or upper lid 12.
Referring to Fig. 4, it is the assembling of the double helix water conservancy diversion integrated form membrane oxygenator 1 of the application second embodiment
Figure；As illustrated, the double helix water conservancy diversion integrated form membrane oxygenator 1 of present embodiment and the double helix water conservancy diversion of above-mentioned embodiment
Integrated form membrane oxygenator difference is that the double helix water conservancy diversion integrated form membrane oxygenator 1 of present embodiment omits temperature-varying zone
Set, that is, omit the water inlet pipe of lower cover 11, second time annular brace piece of lower cover 11, toroidal membrane, upper lid 12 second on ring
The setting of the outlet pipe of shape support chip and upper lid 12.Oxygen plying membrane structure 115 is directly arranged in core shaft structure 110 and closes housing with oxygen
Between 112, the oxygen feeding tube 125 of the escape pipe of lower cover 11 and upper lid 12 is respectively communicated with the sky between core shaft structure 110 and oxygen conjunction housing 112
Between, the space that such core shaft structure 110 and oxygen are closed between housing 112 forms Yang He areas.
Referring to Fig. 5, it is the schematic diagram of the toroidal membrane 111 of the embodiment of the application the 3rd；As illustrated, hold first
Embodiment, the outer surface of the toroidal membrane 111 of present embodiment have flow-guiding structure, and flow-guiding structure is spaced multiple
Spiral stream guidance groove 1112, multiple spiral stream guidance grooves 1112 of toroidal membrane 111 are located at multiple blood ports of toroidal membrane 111
1111 side, or even blood port 1111 corresponding to one end connection of each spiral stream guidance groove 1112.Each spiral is led
One end of chute 1112 is more than the semicircle girth of toroidal membrane 111 with the horizontal circumferential length of its other end, in other words, each
Individual spiral stream guidance groove 1112 is more than the half-turn of toroidal membrane 111；It is vertical between the both ends of each spiral stream guidance groove 1112
Distance is between the height of the toroidal membrane 111 of half and the height of 2/3rds toroidal membrane 111.Toroidal membrane
111 multiple spiral stream guidance grooves 1112 guiding blood flow, and spread and fill up multiple spiral stream guidance grooves 1112, increase the expansion of blood
Area is dissipated, fully to be contacted with oxygen plying membrane structure, increases oxygen plying membrane structure and the contact area and its utilization rate of blood.So
Blood port 1111 corresponding to one end connection of each spiral stream guidance groove 1112, such blood flow into from multiple blood ports 1111
And multiple spiral stream guidance grooves 1112 can be flowed into immediately, blood is rapidly full of whole spiral stream guidance groove 1112.Present embodiment
The circular direction of multiple spiral stream guidance grooves of core shaft structure and the ring of multiple spiral stream guidance grooves 1112 of adjacent toroidal membrane 111
Around in opposite direction.
Referring to Fig. 6, it is the section of the double helix water conservancy diversion integrated form membrane oxygenator 1 of the embodiment of the application the 4th
Figure；As illustrated, the quantity of the toroidal membrane of present embodiment be two, two toroidal membranes call in the following text middle toroidal membrane 111a and
Outer ring dividing plate 111b, middle toroidal membrane 111a diameter be less than outer ring dividing plate 111b diameter, middle toroidal membrane 111a by
Annular brace piece 122b is fixed on corresponding second time annular brace piece 102b and second, and outer ring dividing plate 111b is by lower lid housing
101 lower annular sidewall 1012 and the upper annular sidewall 1212 of shell of top cover body 121 are fixed, and outer ring dividing plate 111b is around oxygen plying
Membrane structure.Middle toroidal membrane 111a and outer ring the dividing plate 111b of present embodiment has with multiple blood of annular arrangement respectively
The flow-guiding structure that port 1111 forms, set location and the outer ring dividing plate of middle toroidal membrane 111a multiple blood ports 1111
The set location of 111b multiple blood ports 1111 is relative, the middle toroidal membrane 111a of present embodiment multiple blood ports
1111 close to lower cover 10, and outer ring dividing plate 111b multiple blood ports 1111 are close to upper lid 12.The double helix of present embodiment
Water conservancy diversion integrated form membrane oxygenator 1 increases the quantity of toroidal membrane, and increase blood is in alternating temperature cortina structure and oxygen plying membrane structure
Diffusion length, to increase the contact area and diffusion area of blood and multiple alternating temperature cortina structures and oxygen plying membrane structure, improve
The utilization rate of alternating temperature cortina structure and oxygen plying membrane structure.In addition, outer ring dividing plate 111b multiple blood ports 1111 are remote
Go out blood vessel 1121, avoid blood to the multiple blood ports 1111 connect from outer ring dividing plate 111b from flowing directly into out blood vessel 1121,
So more improve the utilization rate of alternating temperature cortina structure and oxygen plying membrane structure.The outer ring dividing plate 111b of present embodiment surface
It is further provided with the filter for removing blood particle and gas microembolus.
Fig. 7 and Fig. 8 is referred to, it is the middle toroidal membrane 111a of the embodiment of the application the 5th schematic diagram and outer ring
Dividing plate 111b schematic diagram；As illustrated, hold the 4th embodiment, the middle toroidal membrane 111a of present embodiment and outer ring every
Plate 111b has equally distributed multiple water conservancy diversion perforation 1113 respectively, because of toroidal membrane 111a and outer ring in present embodiment
Dividing plate 111b has multiple water conservancy diversion perforation 1113, therefore toroidal membrane 111a and outer ring dividing plate 111b in can omitting respectively
The setting of multiple blood ports.The aperture of outer ring dividing plate 111b multiple water conservancy diversion perforation 1113 is less than middle toroidal membrane 111a's
The aperture of multiple water conservancy diversion perforation 1113, middle toroidal membrane 111a and outer ring dividing plate 111b multiple water conservancy diversion perforation 1113 and annular
The aperture of multiple water conservancy diversion perforation of deflector is more than 3mm.Certainly outer ring dividing plate 111b setting, or outer ring can also be omitted
Dividing plate 111b is identical with the outer ring dividing plate of the 4th embodiment, is repeated no more in this.
Middle toroidal membrane 111a and outer ring dividing plate 111b multiple water conservancy diversion 1113 main guide blood flows of perforation, and will
Blood shunt, blood flow and its flow velocity in single individual water conservancy diversion perforation 1113 reduce, from the outflow of each water conservancy diversion perforation 1113
Blood contacted with oxygen plying membrane structure with easing up.The middle toroidal membrane 111a of right present embodiment each water conservancy diversion perforation
1113 be square opening, and such blood comes together in middle toroidal membrane 111a multiple water conservancy diversion perforation 1113, is led for the multiple of square opening
Flow through the available buffer blood of hole 1113.The position for the outer ring dividing plate 111b for going out blood vessel 1121 that corresponding oxygen closes housing 112 is not provided with
Water conservancy diversion perforation 1113, that is, it is neighbouring go out blood vessel 1121 outer ring dividing plate 111b water conservancy diversion perforation 1113 center and go out blood vessel
The beeline at 1121 center is more than 5mm, avoids blood directly from close to the stream of multiple water conservancy diversion perforation 1113 for going out blood vessel 1121
Go out, blood is flowed out from away from the multiple water conservancy diversion perforation 1113 for going out blood vessel 1121, improve the utilization rate of oxygen plying membrane structure, and
Blood is set uniformly to spread.
Middle toroidal membrane 111a and outer ring the dividing plate 111b of present embodiment inner surface is further provided with spaced more
Individual spiral stream guidance groove, middle toroidal membrane 111a and outer ring dividing plate 111b multiple water conservancy diversion perforation 1113 respectively positioned at it is middle annular every
In plate 111a and outer ring dividing plate 111b multiple spiral stream guidance grooves.Each spiral stream guidance grooved ring around middle toroidal membrane 111a or
It is more than the half-turn of outer ring dividing plate 111b inner surface, in other words, one end of each spiral stream guidance groove to its other end
Half circle all Long of the horizontal circumferential length more than middle toroidal membrane 111a or outer ring dividing plate 111b, the one of every Ge spiral stream guidance grooves
The vertical range of its other end of With is held between middle toroidal membrane 111a or outer ring the dividing plate 111b of half height and three
/ bis- middle toroidal membrane 111a or outer ring dividing plate 111b height.
Referring to Fig. 9, it is the schematic diagram of the cortina structure 13 of the embodiment of the application the 6th；As illustrated, this implementation
The cortina structure 13 of mode can be applied to the alternating temperature cortina structure and oxygen plying membrane structure of above-mentioned embodiment, and it is included in multilayer
Hollow fiber layer 131, each layer of doughnut layer 131 have multiple hollow fiber conduits 1311, and multiple hollow fiber conduits 1311 are relative
In the angle of vertical plane one, the incline direction of multiple hollow fiber conduits 1311 of each layer of doughnut layer 131 with it is adjacent
The incline direction of multiple hollow fiber conduits 1311 of doughnut layer 131 is different, in other words, wherein one layer of doughnut layer
Multiple hollow fiber conduits 1311 of 131 multiple hollow fiber conduits 1311 and another layer of doughnut layer 131 intersect, often
The hollow fiber conduit 1311 of one layer of doughnut layer 131 and the angle of vertical plane are 15 degree.Each layer of doughnut layer 131
Hollow fiber conduit 1311 section to be circular, square or oval, can so reduce blood priming amount.When blood flows into silk
During 131, the two adjacent doughnut layer of membrane structure 13, blood can be split into thinner blood film, increase blood and oxygen
Contact area, lift the oxygenation efficiency of blood and oxygen.
The ring diversion plate of above-mentioned embodiment, toroidal membrane, water conservancy diversion perforation, the blood of middle toroidal membrane and outer ring dividing plate
The quantity of liquid port or spiral stream guidance groove is one.In addition, the center of the water conservancy diversion perforation adjacent to the middle toroidal membrane 111 for going out blood vessel
The beeline at the center with going out blood vessel is more than 5mm.
In summary, the application provides a kind of double helix water conservancy diversion integrated form membrane oxygenator, and core shaft structure is led with annular
Flowing plate, ring diversion plate guide blood flow by the flow-guiding structure with spiral stream guidance groove, increase the diffusion area of blood, increase
The contact area of liquid and cortina structure is healed, effectively lifts the utilization rate of cortina structure, while the oxygen for lifting membrane oxygenator closes
Efficiency.At least one toroidal membrane can be set in the double helix water conservancy diversion integrated form membrane oxygenator of the application, and toroidal membrane can support
Double helix water conservancy diversion integrated form membrane oxygenator, while there is flow-guiding structure thereon, there is phase with the flow-guiding structure of ring diversion plate
Same effect.The spacing of the adjacent two layer doughnut layer of the cortina structure of the application is small, blood can again be shunted, made
Blood forms relatively thin blood film, allows the oxygenation efficiency of blood and oxygen to be lifted.The hollow fiber conduit of each layer of doughnut layer
Section be ellipse, can so reduce the priming volume of blood.
The upper only presently filed embodiment, is not limited to the application.For those skilled in the art
For, the application can have various modifications and variations.All any modifications made in spirit herein and principle, it is equal
Replace, improve etc., it all should be included within the scope of claims hereof.
Claims (11)
- A kind of 1. double helix water conservancy diversion integrated form membrane oxygenator, it is characterised in that including：Lower cover, it has escape pipe；Oxygen conjunction portion, it is arranged at the lower cover, and closes housing including core shaft structure, oxygen and be arranged at the core shaft structure and oxygen and close Oxygen plying membrane structure between housing, the oxygen, which closes housing, has a blood vessel, it is described go out blood vessel close to the lower cover；AndUpper lid, it is arranged at the oxygen conjunction portion, and has into blood vessel and oxygen feeding tube, the oxygen feeding tube and escape pipe and connect the core Axle construction and oxygen close the space between housing；Wherein described core shaft structure includes mandrel body and ring diversion plate, and the mandrel body has first end and connection described the The second end of one end, has blood channel between the first end and upper lid, the ring diversion plate is sheathed on the core Axis body, the ring diversion plate have at least one blood port of annular arrangement and at least one spiral stream guidance groove, the ring At least one blood port of shape deflector corresponds to the first end of the mandrel body, at least one spiral shell of the ring diversion plate Rotation guiding gutter is arranged at the outer surface of the ring diversion plate, and be located at least one blood port of the ring diversion plate Side.
- 2. double helix water conservancy diversion integrated form membrane oxygenator according to claim 1, it is characterised in that the of the mandrel body One end has water conservancy diversion cambered surface.
- 3. double helix water conservancy diversion integrated form membrane oxygenator according to claim 1, it is characterised in that further include at least one Toroidal membrane, at least one toroidal membrane are arranged between core shaft structure and oxygen the conjunction housing, and the lower cover has water inlet Pipe, the upper lid have an outlet pipe, the water inlet pipe and outlet pipe connect lean on toroidal membrane into the core shaft structure with it is described Space between core shaft structure；Oxygen feeding tube and the escape pipe connection leans on the toroidal membrane into the core shaft structure to close shell with the oxygen Space between body；Alternating temperature cortina structure is provided between the toroidal membrane and the core shaft structure of the core shaft structure, close to institute State and be provided with oxygen plying membrane structure between the toroidal membrane of core shaft structure and oxygen conjunction housing.
- 4. double helix water conservancy diversion integrated form membrane oxygenator according to claim 3, it is characterised in that the alternating temperature cortina knot Structure and oxygen plying membrane structure include multilayer hollow fiber layer respectively, and each layer of doughnut layer has multiple hollow fiber conduits, often The section of one hollow fiber conduit is circular, square or oval.
- 5. the double helix water conservancy diversion integrated form membrane oxygenator according to claim 3 or 4, it is characterised in that each annular Dividing plate includes at least one blood port of annular arrangement and at least one spiral stream guidance groove, close to the annular of the core shaft structure Close to the lower cover, at least one spiral stream guidance groove of each toroidal membrane is arranged at pair at least one blood port of dividing plate The outer surface for the toroidal membrane answered, and positioned at the side of at least one blood port.
- 6. the double helix water conservancy diversion integrated form membrane oxygenator according to claim 3 or 4, it is characterised in that each annular There is dividing plate at least one water conservancy diversion to perforate, and at least one water conservancy diversion perforation distributions of each toroidal membrane are in corresponding annular Dividing plate.
- 7. double helix water conservancy diversion integrated form membrane oxygenator according to claim 6, it is characterised in that each described annular Dividing plate also includes at least one spiral stream guidance groove, and at least one spiral stream guidance groove of each toroidal membrane is arranged at corresponding The inner surface of toroidal membrane, at least one water conservancy diversion perforation of each toroidal membrane is positioned at the corresponding toroidal membrane In at least one spiral stream guidance groove.
- 8. the double helix water conservancy diversion integrated form membrane oxygenator according to claim 3 or 4, it is characterised in that described at least one Individual toroidal membrane includes middle toroidal membrane and outer ring dividing plate, and the outer ring dividing plate is arranged at the outer of the middle toroidal membrane Side, the outer ring dividing plate close housing adjacent to the oxygen, and the middle toroidal membrane and outer ring dividing plate have at least one respectively Water conservancy diversion is perforated, and at least one water conservancy diversion perforation distributions of the middle toroidal membrane are in the middle toroidal membrane, the outer ring dividing plate At least one water conservancy diversion perforation distributions in the outer ring dividing plate.
- 9. double helix water conservancy diversion integrated form membrane oxygenator according to claim 8, it is characterised in that the outer ring dividing plate Surface be provided with filter for removing blood particle and gas microembolus.
- 10. double helix water conservancy diversion integrated form membrane oxygenator according to claim 8, it is characterised in that it is described it is middle annular every Plate and outer ring dividing plate respectively further comprise at least one spiral stream guidance groove, at least one spiral stream guidance groove of the middle toroidal membrane The inner surface of the middle toroidal membrane is arranged at intervals at, at least one spiral stream guidance groove of the outer ring dividing plate is arranged at intervals at The inner surface of the outer ring dividing plate, at least one water conservancy diversion perforation of the middle toroidal membrane and outer ring dividing plate are located at institute respectively In at least one spiral stream guidance groove for stating toroidal membrane and outer ring dividing plate.
- 11. double helix water conservancy diversion integrated form membrane oxygenator according to claim 8, it is characterised in that the neighbouring bleeding The center of at least one water conservancy diversion of the middle toroidal membrane of pipe and/or outer ring dividing plate perforation with it is described go out blood vessel in The beeline of the heart is more than 5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817398.1A CN107432960B (en) | 2017-09-12 | 2017-09-12 | Spiral diversion integrated film type oxygenator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817398.1A CN107432960B (en) | 2017-09-12 | 2017-09-12 | Spiral diversion integrated film type oxygenator |
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| CN107432960A true CN107432960A (en) | 2017-12-05 |
| CN107432960B CN107432960B (en) | 2024-01-09 |
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