CN208770516U - 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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- CN208770516U CN208770516U CN201721163512.5U CN201721163512U CN208770516U CN 208770516 U CN208770516 U CN 208770516U CN 201721163512 U CN201721163512 U CN 201721163512U CN 208770516 U CN208770516 U CN 208770516U
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Abstract
The utility model relates to a kind of double helix water conservancy diversion integrated form membrane oxygenators comprising lower cover, oxygen conjunction portion and upper cover, lower cover have escape pipe；Oxygen conjunction portion is set to lower cover and closes shell and oxygen plying membrane structure including core shaft structure, oxygen, and oxygen, which closes shell, has blood vessel, and blood vessel is close to lower cover out；Upper cover is set to 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 and at least one spiral stream guidance slot of annular arrangement between first end and upper cover.The core shaft structure of the double helix water conservancy diversion integrated form membrane oxygenator of the application guides blood diffusion by the ring diversion plate of the flow-guiding structure with spiral stream guidance slot, increases the contact area and diffusion area of blood and cortina structure, promotes the utilization rate of cortina structure.
Description
Technical field
The utility model relates to a kind of technical field of medical device product more particularly to a kind of double helix water conservancy diversion integrated forms
Membrane oxygenator.
Background technique
Membrane oxygenator is the medical instrument that cardiac arrest replaces lung, has and adjusts oxygen and carbon dioxide content in blood
Function, be the indispensable Medical Devices of cardiovascular surgery, and treatment acute respiratory illness and wait the lung transplantation stage indispensable
Medical Devices.Membrane oxygenator principle be will outside intracorporal 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
Temporarily substitution lung effect in the process, at the same 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 not because of its blood water conservancy diversion diffuser efficiency
Good, blood is easy to be piled up in certain in membrane oxygenator, and only flows through from certain of cortina structure, and blood will not be from silk
The other positions of membrane structure flow through.
Utility model content
Aiming at the shortcomings in the prior art, the purpose of the utility model is to provide a kind of double helix water conservancy diversion integrated form membrane type oxygen
Clutch comprising: lower cover, with escape pipe；Oxygen conjunction portion is set to the lower cover, and closes shell including core shaft structure, oxygen
And be set to the core shaft structure and oxygen and close oxygen plying membrane structure between shell, the oxygen, which closes shell, has a blood vessel, it is described go out
Blood vessel is close to the lower cover；And upper cover, it is set to oxygen conjunction portion, and have into blood vessel and oxygen feeding tube, the oxygen feeding tube
And escape pipe is connected to the space between the core shaft structure and oxygen conjunction shell；Wherein the core shaft structure includes that mandrel body and annular are led
Flowing plate, the mandrel body has the second end of first end and the connection first end, between the first end and upper cover
With blood channel, the ring diversion plate is sheathed on the mandrel body, and the ring diversion plate has annular arrangement at least
At least one blood port of one blood port and at least one spiral stream guidance slot, the ring diversion plate corresponds to the mandrel
The first end of body, at least one spiral stream guidance slot of the ring diversion plate are set to the outer surface of the ring diversion plate,
And it is located 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 technical 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 slot
Blood flow is guided, and blood is shunted, increases the diffusion area of blood, increases the contact area of blood and cortina structure,
The utilization rate of cortina structure is effectively promoted, while promoting the oxygenation efficiency of membrane oxygenator.
Detailed description of the invention
Fig. 1 is the perspective view 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 sectional view 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 annular partition of the application third embodiment.
Fig. 6 is the sectional view of the double helix water conservancy diversion integrated form membrane oxygenator of the 4th embodiment of the application.
Fig. 7 is the schematic diagram of the middle annular partition of the 5th embodiment of the application.
Fig. 8 is the schematic diagram of the outer ring partition of the 5th embodiment of the application.
Fig. 9 is the schematic diagram of the cortina structure of the application sixth embodiment.
Specific 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 and component will be painted it in the drawings in simply illustrative mode.
About its " first " used herein, " second " etc., the meaning of order or cis-position is not especially censured, also non-use
The component described with limiting the application just for the sake of difference with same technique term or operation.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, is the double helix water conservancy diversion integrated form membrane oxygenator of the application first embodiment
1 perspective view, assembling figure and sectional view；As shown, 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 cover 12, and oxygen conjunction portion 11 is set to lower cover
Between 10 and upper cover 12.Lower cover 10 include the lower annular brace piece 102a of lower lid housing 101, first, the second lower annular brace piece 102b,
Escape pipe 103 and water inlet pipe 104, the lower annular sidewall that there is lower lid housing 101 lower surface 1011 and ring to set surface 1011
1012.The lower annular brace piece 102b of first lower annular brace piece 102a and second is set to the lower surface 1011 of lower lid housing 101,
Second lower annular brace piece 102b is located at the outside of the first lower annular brace piece 102a, and is located in lower annular sidewall 1012, the
The diameter of the diameter of annular brace piece 102a annular brace piece 102b lower less than second once, the first lower annular brace piece 102a's
The center at center, the center of the second lower annular brace piece 102b and lower cover 10 is located on same line, i.e., the first lower annular brace piece
The lower annular brace piece 102b of 102a and second are in making concentric arrays in lower lid housing 101.Escape pipe 103 is set to lower lid housing
101 lower surface 1011, and be connected to the second lower annular brace piece 102b with the space between lower annular sidewall 1012.Water inlet pipe
104 are set to lower annular sidewall 1012, and the annular brace piece 102b under lower annular sidewall 1012 and second, water inlet pipe 104
Space between the lower annular brace piece 102a of the lower annular brace piece 102b and first of connection second.
Oxygen conjunction portion 11 includes core shaft structure 110, annular partition 111, oxygen conjunction shell 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 set to the first lower annular brace piece
102a, and be located in the first lower annular brace piece 102a.Annular partition 111 is set to the second lower annular brace piece 102b, and position
In the outside of core shaft structure 110.Oxygen closes the lower annular sidewall 1012 that shell 112 is set to lower lid housing 101, and has blood vessel
1121 and circulating exhaust pipe 1122, for blood vessel 1121 close to lower cover 10, circulating exhaust pipe 1122 is located at 1121 top of blood vessel out, and
Far from lower cover 10, blood vessel 1121 and circulating exhaust pipe 1122 are connected to the space between core shaft structure 110 and oxygen conjunction shell 112 out.Under
Barrier structure 113 is arranged on core shaft structure 110 and is covered on lower cover 10, and is located at core shaft structure 110 and oxygen conjunction shell 112
Between.Alternating temperature cortina structure 114 is arranged in core shaft structure 110, and is set on lower barrier structure 113, and is located at core shaft structure 110
Between annular partition 111, temperature-varying zone is formed between such core shaft structure 110 and annular partition 111.Oxygen plying membrane structure 115 is worn
It in core shaft structure 110, and is set on lower barrier structure 113, and is located between annular partition 111 and oxygen conjunction shell 112, such ring
Shape partition 111 and oxygen form the area Yang He between closing shell 112.Upper barrier structure 116 is arranged on core shaft structure 110, and is set to
In alternating temperature cortina structure 114 and oxygen plying membrane structure 115, and it is located between core shaft structure 110 and oxygen conjunction shell 112.
The core shaft structure 110 of present embodiment includes mandrel body 1101 and ring diversion plate 1102, and mandrel body 1101 has
The outer diameter of the first end 1101a and the second end 1101b for connecting first end 1101a, the second end 1101b are greater than first end
The outer diameter of portion 1101a, the second end 1101b are set in the first lower annular brace piece 102a.Ring diversion plate 1102 is arranged in
Mandrel body 1101, and it is set to the first lower annular brace piece 102a of lower cover 10.Ring diversion plate 1102 is logical with multiple blood
Mouth 11023 and multiple spiral stream guidance slots 11022, the first end 1101a of the corresponding mandrel body 1101 of multiple blood ports 11023,
Multiple diversion trenches 11022 are arranged at intervals at the outer surface of ring diversion plate 1102, and are located 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 slot 11022 to its other end water
Flat circumferential length is greater than the semicircle perimeter of ring diversion plate 1102, one end of each spiral stream guidance slot 11022 and its other end
Vertical range between half ring diversion plate 1102 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 slot 11022
One end connects water conservancy diversion cambered surface 11011, and in other words, multiple spiral stream guidance slots 11022 are located at the first end of mandrel body 1101
The side of 1101a, 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 in blood channel, blood will not be accumulated in the first end of mandrel body 1101
1101a.Right multiple spiral stream guidance slots 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 slots 11022, blood quickly fills up multiple spiral stream guidance slots 11022.
The annular partition 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 annular partition 111 of present embodiment mainly reaches branch
The effect of support, and extend the path of blood diffusion increases connecing for blood and alternating temperature cortina structure 114 and oxygen plying membrane structure 115
Contacting surface product and diffusion area, the more utilization rate of promotion alternating temperature cortina structure 114 and oxygen plying membrane structure 115.
Upper cover 12 includes annular brace piece 122a on upper cover shell 121, first, annular brace piece 122b on second, into blood
Pipe 124, oxygen feeding tube 125 and outlet pipe 126, the upper annular that there is upper cover shell 121 upper surface 1211 and ring to set upper surface 1211
Side wall 1212.Annular brace piece 122b is set to the upper surface of upper cover shell 121 on annular brace piece 122a and second on first
1211, annular brace piece 122b is located at the outside of annular brace piece 122a on first, annular brace piece 122a on 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
The center of blade 122b and the center of upper cover shell 121 are located on same line.The upper of upper cover shell 121 is set into blood vessel 124
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 set to the upper annular sidewall of upper cover shell 121
1212, and run through upper annular sidewall 1212, the sky of annular brace piece 122b on oxygen feeding tube 125 and upper annular sidewall 1212 and second
Between be connected to.Outlet pipe 126 is set to the upper annular sidewall 1212 of upper cover shell 121, and runs through upper annular sidewall 1212 and second
Upper annular brace piece 122b, and it is connected to the space on first on annular brace piece 122a and second between annular brace piece 122b.
When upper cover 12 is set to oxygen conjunction portion 11, on first on annular brace piece 122a and second annular brace piece 122b in
Making concentric arrays in upper cover shell 121, the first lower 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 upper cover shell 121
The lower annular sidewall 1012 of shell 101 is corresponding, annular brace piece 122b on the upper annular sidewall 1212, second of upper cover shell 121
And the oxygen that annular brace piece 122a is arranged in oxygen conjunction portion 11 respectively on first closes shell 112, annular partition 111 and core shaft structure
110 ring diversion plate 1102.The center of lower cover 10, oxygen conjunction portion 11 and upper cover 12 is located on same line.
Space and upper cover between the lower annular brace piece 102b of the lower annular brace piece 102a and second of the first of lower lid housing 101
The corresponding core shaft structure 110 in space on the first of shell 121 between annular brace piece 122a and annular brace piece 122b on second with
Space between annular partition 111, the water inlet pipe 104 of lower cover 10 and the outlet pipe 126 of upper cover 12 are connected to core shaft structure 110 and annular
Space between partition 111.Space between the lower annular sidewall 1012 of lower lid housing 101 and the second lower 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 is closed with oxygen
Space between shell 112, the oxygen feeding tube 125 of upper cover 12 and the escape pipe 103 of lower cover 10 are connected to core shaft structure 110 and oxygen closes shell
Space between 112.
The double helix water conservancy diversion integrated form membrane oxygenator 1 of present embodiment in use, extracorporeal blood circuit device blood
The blood channel that into blood vessel 124 enters mandrel body 1101 of the liquid from double helix water conservancy diversion integrated form membrane oxygenator 1.When blood is from more
When a 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 slots 11022 being connected to multiple blood ports 11023, then blood is from the multiple of ring diversion plate 1102
Spiral stream guidance slot 11022 flows to alternating temperature cortina structure 114, increases the contact area and diffusion of blood and alternating temperature cortina structure 114
Area increases the utilization rate of alternating temperature cortina structure 114, reduces the pressure of double helix water conservancy diversion integrated form membrane oxygenator 1, in other words
It says, the ring diversion plate 1102 of present embodiment is by the flow-guiding structure with multiple spiral stream guidance slots 11022, to reach above-mentioned
Effect.
When blood enters alternating temperature cortina structure 114, while the water of modulated temperature is logical from the water inlet pipe 104 of lower cover 10
Enter, the water of modulated temperature is from 114 one end of alternating temperature cortina structure close to lower cover 10 toward the alternating temperature cortina structure close to upper cover 10
The flowing of 114 other ends is spread in the blood temperature of alternating temperature cortina structure 114 by the adjustment of its temperature.Diffuse to alternating temperature cortina knot
Structure 114 and the blood of adjusted temperature are flowed toward lower cover 10, then are flowed into from multiple blood ports 1111 of annular partition 111, blood
Liquid is spread 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 shell 112 is closed with oxygen, in other words, the oxygen of oxygen feeding tube 125 and the blood in oxygen plying membrane structure 115 carry out oxygen
It closes, replaces out the carbon dioxide in blood, oxygen generates 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 most closed afterwards through oxygen is discharged from the blood vessel 1121 that goes out that oxygen closes shell 112.
Above-mentioned alternating temperature cortina structure 114 and oxygen plying membrane structure 115 respectively include multilayer hollow fiber layer, in each layer
The section of the hollow fiber conduit of hollow fiber layer be it is round, rectangular or oval, every layer of doughnut is produced when rupturing
Gas from oxygen close shell 112 circulating exhaust pipe 1122 be discharged.Lower barrier structure 113 and the barrier of upper barrier structure 116 are located at
Blood in alternating temperature cortina structure 114 and oxygen plying membrane structure 115 is mobile toward lower cover 10 or upper cover 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 shown, the double helix water conservancy diversion of the double helix water conservancy diversion integrated form membrane oxygenator 1 of present embodiment and above 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
Setting, i.e. the omission water inlet pipe of lower cover 11, the second lower annular brace piece of lower cover 11, annular partition, upper cover 12 second on ring
The setting of shape support chip and the outlet pipe of upper cover 12.Oxygen plying membrane structure 115 is directly arranged in core shaft structure 110 and oxygen closes shell
Between 112, the escape pipe of lower cover 11 and the oxygen feeding tube 125 of upper cover 12 are respectively communicated with the sky between core shaft structure 110 and oxygen conjunction shell 112
Between, such core shaft structure 110 and oxygen close the space between shell 112 and form the area Yang He.
Referring to Fig. 5, it is the schematic diagram of the annular partition 111 of the application third embodiment；As shown, holding first
Embodiment, the outer surface of the annular partition 111 of present embodiment have flow-guiding structure, and flow-guiding structure is spaced multiple
Multiple spiral stream guidance slots 1112 of spiral stream guidance slot 1112, annular partition 111 are located at multiple blood ports of annular partition 111
1111 side or even one end of each spiral stream guidance slot 1112 are connected to corresponding blood port 1111.Each spiral is led
One end of chute 1112 and the horizontal circumferential length of its other end are greater than the semicircle perimeter of annular partition 111, in other words, each
A spiral stream guidance slot 1112 is more than the half-turn of annular partition 111；It is vertical between the both ends of each spiral stream guidance slot 1112
Distance between the annular partition 111 of half height and 2/3rds annular partition 111 height between.Annular partition
111 multiple spiral stream guidance slots 1112 guide blood flow, and spread and fill up multiple spiral stream guidance slots 1112, increase the expansion of blood
Area is dissipated, to come into full contact with oxygen plying membrane structure, increases the contact area and its utilization rate of oxygen plying membrane structure and blood.So
One end of each spiral stream guidance slot 1112 is connected to corresponding blood port 1111, and such blood is flowed into from multiple blood ports 1111
And multiple spiral stream guidance slots 1112 can be flowed into immediately, blood is rapidly full of entire spiral stream guidance slot 1112.Present embodiment
The ring of multiple spiral stream guidance slots 1112 of the circular direction of multiple spiral stream guidance slots of core shaft structure and adjacent annular partition 111
Around contrary.
Referring to Fig. 6, it is the section of the double helix water conservancy diversion integrated form membrane oxygenator 1 of the 4th embodiment of the application
Figure；As shown, the quantity of the annular partition of present embodiment be two, two annular partitions call in the following text middle annular partition 111a and
The diameter of outer ring partition 111b, middle annular partition 111a be less than outer ring partition 111b diameter, middle annular partition 111a by
Annular brace piece 122b is fixed on corresponding second lower annular brace piece 102b and second, and outer ring partition 111b is by lower lid housing
101 lower annular sidewall 1012 and the upper annular sidewall 1212 of upper cover shell 121 are fixed, and outer ring partition 111b is around oxygen plying
Membrane structure.The middle annular partition 111a and outer ring partition 111b of present embodiment are respectively provided with multiple blood with annular arrangement
The flow-guiding structure that port 1111 forms, the setting position of multiple blood ports 1111 of middle annular partition 111a and outer ring partition
The setting position of multiple blood ports 1111 of 111b is opposite, multiple blood ports of the middle annular partition 111a of present embodiment
1111 close to lower cover 10, and multiple blood ports 1111 of outer ring partition 111b are close to upper cover 12.The double helix of present embodiment
Water conservancy diversion integrated form membrane oxygenator 1 increases the quantity of annular partition, increases blood in alternating temperature cortina structure and oxygen plying membrane structure
Diffusion length improved with increasing the contact area and diffusion area of blood and multiple alternating temperature cortina structures and oxygen plying membrane structure
The utilization rate of alternating temperature cortina structure and oxygen plying membrane structure.In addition, multiple blood ports 1111 of outer ring partition 111b are separate
Blood vessel 1121 out avoid blood to the multiple blood ports 1111 connect from outer ring partition 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 surface of the outer ring partition 111b of present embodiment
It is further provided with the filter for removing blood particle and gas microembolus.
Fig. 7 and Fig. 8 is please referred to, is the schematic diagram and outer ring of the middle annular partition 111a of the 5th embodiment of the application
The schematic diagram of partition 111b；As shown, hold the 4th embodiment, the middle annular partition 111a of present embodiment and outer ring every
Plate 111b is respectively provided with equally distributed multiple water conservancy diversion perforation 1113, because of annular partition 111a and outer ring in present embodiment
Partition 111b is respectively provided with multiple water conservancy diversion perforation 1113, therefore can be omitted middle annular partition 111a's and outer ring partition 111b
The setting of multiple blood ports.The aperture of multiple water conservancy diversion perforation 1113 of outer ring partition 111b is less than middle annular partition 111a's
The multiple water conservancy diversion perforation 1113 and annular of the aperture of multiple water conservancy diversion perforation 1113, middle annular partition 111a and outer ring partition 111b
The aperture of multiple water conservancy diversion perforation of deflector is greater than 3mm.Certainly the setting or outer ring of outer ring partition 111b can also be omitted
Partition 111b is identical as the outer ring partition of the 4th embodiment, repeats no more in this.
Multiple water conservancy diversion of middle annular partition 111a and outer ring partition 111b 1113 main guide blood flows of perforation, and will
Blood shunt, blood flow and its flow velocity in single a water conservancy diversion perforation 1113 reduce, from 1113 outflow of each water conservancy diversion perforation
Blood can be contacted with oxygen plying membrane structure with easing up.Each water conservancy diversion perforation of the middle annular partition 111a of right present embodiment
1113 be square hole, and such blood comes together in multiple water conservancy diversion perforation 1113 of middle annular partition 111a, is led for the multiple of square hole
Blood can be buffered by flowing through hole 1113.The position that corresponding oxygen closes the outer ring partition 111b for going out blood vessel 1121 of shell 112 is not provided with
Water conservancy diversion perforation 1113, that is, it is neighbouring go out blood vessel 1121 outer ring partition 111b water conservancy diversion perforation 1113 center and blood vessel out
The shortest distance at 1121 center is greater than 5mm, avoids blood directly from close to 1113 stream of multiple water conservancy diversion perforation for going out blood vessel 1121
Out, make blood that can improve the utilization rate of oxygen plying membrane structure from far from 1113 outflow of multiple water conservancy diversion perforation for going out blood vessel 1121, and
Blood is set uniformly to spread.
The inner surface of the middle annular partition 111a and outer ring partition 111b of present embodiment are further provided with spaced more
A spiral stream guidance slot, middle annular partition 111a and outer ring partition 111b multiple water conservancy diversion perforation 1113 be located at it is middle annular every
In multiple spiral stream guidance slots of plate 111a and outer ring partition 111b.Each spiral stream guidance grooved ring around middle annular partition 111a or
It is more than the half-turn of the inner surface of outer ring partition 111b, in other words, one end of each spiral stream guidance slot to its other end
Semicircle perimeter of the horizontal circumferential length greater than middle annular partition 111a or outer ring partition 111b, the one of each spiral stream guidance slot
Height and three of the vertical range of end and its other end between the middle annular partition 111a or outer ring partition 111b of half
The height of/bis- middle annular partition 111a or outer ring partition 111b.
Referring to Fig. 9, it is the schematic diagram of the cortina structure 13 of the application sixth embodiment；As shown, this implementation
The cortina structure 13 of mode can be applied to the alternating temperature cortina structure and oxygen plying membrane structure of above embodiment comprising 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 opposite
In one angle of vertical plane, the inclined direction of multiple hollow fiber conduits 1311 of each layer of doughnut layer 131 and adjacent
The inclined 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 be it is round, rectangular or oval, can so reduce blood priming amount.When blood flows into silk
At 131, the two adjacent doughnut layer of membrane structure 13, blood can be split into thinner blood film, increase blood and oxygen
Contact area promotes the oxygenation efficiency of blood and oxygen.
The ring diversion plate of above embodiment, annular partition, middle annular partition and the water conservancy diversion perforation of outer ring partition, blood
The quantity of liquid port or spiral stream guidance slot is one.In addition, the center of the water conservancy diversion perforation of the neighbouring middle annular partition 111 of blood vessel out
It is greater than 5mm with the shortest distance at the center of blood vessel out.
In conclusion the application provides a kind of double helix water conservancy diversion integrated form membrane oxygenator, core shaft structure is led with annular
Flowing plate, ring diversion plate guide blood flow by the flow-guiding structure with spiral stream guidance slot, increase the diffusion area of blood, increase
The contact area of liquid Yu cortina structure is healed, the utilization rate of cortina structure is effectively promoted, while the oxygen for promoting membrane oxygenator closes
Efficiency.At least one settable annular partition of double helix water conservancy diversion integrated form membrane oxygenator of the application, annular partition are sustainable
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, can shunt again, make to blood
Blood forms relatively thin blood film, and the oxygenation efficiency of blood and oxygen is allowed to be promoted.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 intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made in spirit herein and principle are equal
Replacement, improvement etc., should all be included within the scope of the claims of the present application.
Claims (11)
1. a kind of double helix water conservancy diversion integrated form membrane oxygenator characterized by comprising
Lower cover, with escape pipe；
Oxygen conjunction portion is set to the lower cover, and closes shell including core shaft structure, oxygen and be set to the core shaft structure and oxygen conjunction
Oxygen plying membrane structure between shell, the oxygen, which closes shell, has blood vessel, and the blood vessel out is close to the lower cover；And
Upper cover is set to oxygen conjunction portion, and has into blood vessel and oxygen feeding tube, and the oxygen feeding tube and escape pipe are connected to the core
Axle construction and oxygen close the space between shell；
Wherein the 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 cover, the ring diversion plate is sheathed on the core
Axis body, the ring diversion plate have at least one blood port and at least one spiral stream guidance slot of annular arrangement, 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 diversion trench is set to 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, which is characterized 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, which is characterized in that further include at least one
Annular partition, at least one described annular partition are set between the core shaft structure and oxygen conjunction shell, and the lower cover has water inlet
Pipe, the upper cover have outlet pipe, the water inlet pipe and outlet pipe connection by into the core shaft structure annular partition with it is described
Space between core shaft structure；The oxygen feeding tube and escape pipe connection are by the annular partition and oxygen conjunction shell into the core shaft structure
Space between body；Alternating temperature cortina structure is equipped between the annular partition and the core shaft structure of the core shaft structure, close to institute
The annular partition and the oxygen for stating core shaft structure are equipped with oxygen plying membrane structure between closing shell.
4. double helix water conservancy diversion integrated form membrane oxygenator according to claim 3, which is characterized in that the alternating temperature cortina knot
Structure and oxygen plying membrane structure respectively include multilayer hollow fiber layer, and each layer of doughnut layer has multiple hollow fiber conduits, often
The section of one hollow fiber conduit is round, rectangular or oval.
5. double helix water conservancy diversion integrated form membrane oxygenator according to claim 3 or 4, which is characterized in that each annular
Partition includes at least one blood port and at least one spiral stream guidance slot of annular arrangement, close to the annular of the core shaft structure
Close to the lower cover, at least one spiral stream guidance slot of each annular partition is set to pair at least one blood port of partition
The outer surface for the annular partition answered, and it is located at the side of at least one blood port.
6. double helix water conservancy diversion integrated form membrane oxygenator according to claim 3 or 4, which is characterized in that each annular
Partition is perforated at least one water conservancy diversion, at least one water conservancy diversion perforation distributions of each annular partition are in corresponding annular
Partition.
7. double helix water conservancy diversion integrated form membrane oxygenator according to claim 6, which is characterized in that each described annular
Partition further includes at least one spiral stream guidance slot, at least one spiral stream guidance slot of each described annular partition is set to corresponding
At least one water conservancy diversion perforation of the inner surface of annular partition, each annular partition is located at the corresponding annular partition
In at least one spiral stream guidance slot.
8. double helix water conservancy diversion integrated form membrane oxygenator according to claim 3 or 4, which is characterized in that described at least one
A annular partition includes middle annular partition and outer ring partition, and the outer ring partition is set to the outer of the middle annular partition
Side, the outer ring partition close shell adjacent to the oxygen, and the middle annular partition and outer ring partition are respectively provided at least one
Water conservancy diversion perforation, at least one water conservancy diversion perforation distributions of the middle annular partition are in the middle annular partition, the outer ring partition
At least one water conservancy diversion perforation distributions in the outer ring partition.
9. double helix water conservancy diversion integrated form membrane oxygenator according to claim 8, which is characterized in that the outer ring partition
Surface be provided with the filter for removing blood particle and gas microembolus.
10. double helix water conservancy diversion integrated form membrane oxygenator according to claim 8, which is characterized in that it is described it is middle annular every
Plate and outer ring partition respectively further comprise at least one spiral stream guidance slot, at least one spiral stream guidance slot of the middle annular partition
It is arranged at intervals at the inner surface of the middle annular partition, at least one spiral stream guidance slot of the outer ring partition is arranged at intervals at
At least one water conservancy diversion perforation of the inner surface of the outer ring partition, the middle annular partition and outer ring partition is located at institute
In at least one the spiral stream guidance slot for stating annular partition and outer ring partition.
11. double helix water conservancy diversion integrated form membrane oxygenator according to claim 8, which is characterized in that the neighbouring bleeding
In the center and the blood vessel out of at least one water conservancy diversion perforation of the middle annular partition and/or the outer ring partition of pipe
The shortest distance of the heart is greater than 5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163512.5U CN208770516U (en) | 2017-09-12 | 2017-09-12 | A kind of double helix water conservancy diversion integrated form membrane oxygenator |
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| CN201721163512.5U CN208770516U (en) | 2017-09-12 | 2017-09-12 | A kind of double helix water conservancy diversion integrated form membrane oxygenator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107432960A (en) * | 2017-09-12 | 2017-12-05 | 东莞科威医疗器械有限公司 | A kind of double helix water conservancy diversion integrated form membrane oxygenator |
| CN114642780A (en) * | 2022-02-16 | 2022-06-21 | 山东威高新生医疗器械有限公司 | Integrated membrane oxygenator |
-
2017
- 2017-09-12 CN CN201721163512.5U patent/CN208770516U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107432960A (en) * | 2017-09-12 | 2017-12-05 | 东莞科威医疗器械有限公司 | A kind of double helix water conservancy diversion integrated form membrane oxygenator |
| CN107432960B (en) * | 2017-09-12 | 2024-01-09 | 东莞科威医疗器械有限公司 | Spiral diversion integrated film type oxygenator |
| CN114642780A (en) * | 2022-02-16 | 2022-06-21 | 山东威高新生医疗器械有限公司 | Integrated membrane oxygenator |
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