CN208893292U - A kind of spiral stream guidance integrated form membrane oxygenator - Google Patents
A kind of spiral stream guidance integrated form membrane oxygenator Download PDFInfo
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- CN208893292U CN208893292U CN201721163515.9U CN201721163515U CN208893292U CN 208893292 U CN208893292 U CN 208893292U CN 201721163515 U CN201721163515 U CN 201721163515U CN 208893292 U CN208893292 U CN 208893292U
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Abstract
The utility model relates to a kind of spiral stream guidance 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 between first end and upper cover, ring diversion plate is sheathed on mandrel body, ring diversion plate is perforated at least one water conservancy diversion, at least one water conservancy diversion perforation distributions of ring diversion plate are on ring diversion plate.The core shaft structure of the spiral stream guidance integrated form membrane oxygenator of the application has ring diversion plate, ring diversion plate passes through the flow-guiding structure with the perforation of an at least water conservancy diversion and guides blood diffusion, increase 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 spiral stream guidance integrated membranes
Formula 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.
However the utilization rate of the cortina structure in current membrane oxygenator is not high, mainly because of its blood water conservancy diversion diffuser efficiency
Bad, 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
The other positions of cortina 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 spiral stream guidance integrated form membrane oxygenations
Device comprising: lower cover, with escape pipe；Oxygen conjunction portion, is set to the lower cover, and including core shaft structure, oxygen close shell and
The oxygen plying membrane structure being set between the core shaft structure and oxygen conjunction shell, the oxygen, which closes shell, has blood vessel, the bleeding
It manages close to the lower cover；And upper cover, be 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 mandrel body and annular water conservancy diversion
Plate, the mandrel body have the second end of first end and the connection first end, have between the first end and upper cover
There is blood channel, the ring diversion plate is sheathed on the mandrel body, and the ring diversion plate is perforated at least one water conservancy diversion,
At least one water conservancy diversion perforation distributions of the ring diversion plate are on 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 with water conservancy diversion perforation and/or spiral by leading
The flow-guiding structure of chute guides blood flow, and shunts to blood, increases the diffusion area of blood, increases blood and cortina knot
The contact area of structure, effectively promotes the utilization rate of cortina structure, while promoting the oxygenation efficiency of membrane oxygenator.
Detailed description of the invention
Fig. 1 is the perspective view of the spiral stream guidance integrated form membrane oxygenator of the application first embodiment.
Fig. 2 is the assembling figure of the spiral stream guidance integrated form membrane oxygenator of the application first embodiment.
Fig. 3 is the sectional view of the spiral stream guidance integrated form membrane oxygenator of the application first embodiment.
Fig. 4 is the assembling figure of the spiral stream guidance integrated form membrane oxygenator of the application second embodiment.
Fig. 5 is the sectional view of the spiral stream guidance integrated form membrane oxygenator of the application second embodiment.
Fig. 6 is the schematic diagram of the core shaft structure of the application third embodiment
Fig. 7 is the schematic diagram of the annular partition of the 4th embodiment of the application.
Fig. 8 is the sectional view of the spiral stream guidance integrated form membrane oxygenator of the 5th embodiment of the application.
Fig. 9 is the schematic diagram of the middle annular partition of the application sixth embodiment.
Figure 10 is the schematic diagram of the outer ring partition of the application sixth embodiment.
Figure 11 is the sectional view of the core shaft structure of the 7th embodiment of the application.
Figure 12 is the schematic diagram of the cortina structure of the 8th embodiment of the application.
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 spiral stream guidance integrated form membrane oxygenator 1 of the application first embodiment
Perspective view, assembling figure and sectional view；As shown, present embodiment provides a kind of spiral stream guidance integrated form membrane oxygenator 1,
Spiral stream guidance integrated form membrane oxygenator 1 include lower cover 10, oxygen conjunction portion 11 and upper cover 12, oxygen conjunction portion 11 be set to lower cover 10 with
Between upper cover 12.Lower cover 10 includes the lower annular brace piece 102a of lower lid housing 101, first, the second lower annular brace piece 102b, goes out
Tracheae 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
Center, the center of the second lower annular brace piece 102b and the center of lower cover 10 be located on same line, i.e., first descends annular brace
The lower annular brace piece 102b of piece 102a and second are in making concentric arrays in lower lid housing 101.Escape pipe 103 is set to lower cover shell
The lower surface 1011 of body 101, and be connected to the second lower annular brace piece 102b with the space between lower annular sidewall 1012.Water inlet
Pipe 104 is set to lower annular sidewall 1012, and the annular brace piece 102b under lower annular sidewall 1012 and second, water inlet pipe
Space between 104 the second lower lower annular brace piece 102a of annular brace piece 102b and first of connection.
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 bleeding
Pipe 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.
Lower 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
Between 112.Alternating temperature cortina structure 114 is arranged in core shaft structure 110, and is set on lower barrier structure 113, and is located at mandrel knot
Between structure 110 and annular partition 111, temperature-varying zone is formed between such core shaft structure 110 and annular partition 111.Oxygen plying membrane structure 115
It is arranged 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 annular 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
It is set in alternating temperature cortina structure 114 and oxygen plying membrane structure 115, and 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
The outer diameter of end 1101a, the second end 1101b are set in the first lower annular brace piece 102a.Ring diversion plate 1102 is worn
In mandrel body 1101, and it is set to the first lower annular brace piece 102a of lower cover 10.Ring diversion plate 1102 has multiple water conservancy diversion
Perforation 11021, multiple water conservancy diversion perforation 11021 are uniformly distributed in ring diversion plate 1102.Each water conservancy diversion of present embodiment is worn
Hole 11021 is bellmouth, is less than positioned at the aperture of the water conservancy diversion perforation 11021 of 1102 inside of ring diversion plate and is located at annular water conservancy diversion
The aperture of the water conservancy diversion perforation 11021 in 1102 outside of plate.The water conservancy diversion perforation 11021 of certain present embodiment can also be straight hole, in this
It repeats no more.
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 on annular brace piece 122b and first on upper annular sidewall 1212, second
122a, and it is connected to the space on first in annular brace piece 122a.Oxygen feeding tube 125 is set to the upper annular side of upper cover shell 121
Wall 1212, and run through upper annular sidewall 1212, and be connected to the space of annular brace piece 122b on upper annular sidewall 1212 and second.
Outlet pipe 126 is set to the upper annular sidewall 1212 of upper cover shell 121, and the annular branch on upper annular sidewall 1212 and second
Blade 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.The of mandrel body 1101
The outer diameter of one end 1101a is less than the outer diameter of its second end 1101b, the first end 1101a and ring of such mandrel body 1101
The blood access toward flowing outside core shaft structure 110 is formed between shape deflector 1102, blood access is connected with upper cover 12.
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 ring
Space between shape partition 111.Space between the lower annular sidewall 1012 of lower lid housing 101 and the second lower annular brace piece 102b
And the corresponding core shaft structure 110 in space between the upper annular sidewall 1212 of upper cover shell 121 and annular brace piece 122b on second with
Oxygen closes the space between shell 112, and 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
Close the space between shell 112.
The spiral stream guidance integrated form membrane oxygenator 1 of present embodiment in use, extracorporeal blood circuit device blood
From the blood channel for entering mandrel body 1101 into blood vessel 124 of spiral stream guidance integrated form membrane oxygenator 1.When blood enters blood
When channel, blood flows from top to bottom along the outer surface of mandrel body 1101.Then blood is from the multiple of ring diversion plate 1102
Water conservancy diversion perforation 11021 flows to alternating temperature cortina structure 114, and plurality of water conservancy diversion perforation 11021 allows blood shunt, and single a water conservancy diversion is worn
Blood flow in hole 11021 and its flow velocity reduce, can with easing up and alternating temperature from the blood of 11021 outflow of each water conservancy diversion perforation
Cortina structure 114 contacts；In addition to this, radial water conservancy diversion is reached by multiple water conservancy diversion perforation 11021, increases blood and alternating temperature silk
The contact area and diffusion area of membrane structure 114 improve the utilization rate of alternating temperature cortina structure 114, reduce spiral stream guidance integrated form
The pressure of membrane oxygenator 1, in other words, the ring diversion plate 1102 of present embodiment have by multiple water conservancy diversion perforation 11021
The flow-guiding structure constituted, 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.
Fig. 4 and Fig. 5 is please referred to, is the group of the spiral stream guidance integrated form membrane oxygenator 1 of the application second embodiment
Dress figure and sectional view；As shown, the spiral stream guidance integrated form membrane oxygenator 1 of present embodiment and above embodiment
Spiral stream guidance integrated form membrane oxygenator difference is that the spiral stream guidance integrated form membrane oxygenator 1 of present embodiment, which omits, to be become
The setting of warm area, i.e. the omission water inlet pipe of lower cover 10, the second lower annular brace piece of lower cover 10, annular partition, upper cover 12 the
The setting of annular brace piece and the outlet pipe of upper cover 12 on two.Oxygen plying membrane structure 115 is directly arranged in core shaft structure 110 and oxygen closes
Between shell 112, the escape pipe 103 of lower cover 10 and the oxygen feeding tube 125 of upper cover 12 are respectively communicated with core shaft structure 110 and oxygen conjunction shell
Space between 112, such core shaft structure 110 and oxygen close the space between shell 112 and form the area Yang He.
Referring to Fig. 6, it is the schematic diagram of the core shaft structure 110 of the application third embodiment；As shown, this implementation
The flow-guiding structure of the ring diversion plate 1102 of the core shaft structure 110 of mode includes multiple first water conservancy diversion perforation 11021a and multiple the
Two water conservancy diversion perforation 11021b, multiple first water conservancy diversion perforation 11021a are close to lower cover 10, i.e., it is distributed in ring diversion plate 1102
Lower section；Multiple second water conservancy diversion perforation 11021b are distributed in the top of ring diversion plate 1102, i.e., it is located at multiple first water conservancy diversion and wears
It perforates greater than multiple first water conservancy diversion in the aperture of the top of hole 11021a and close upper cover 12, multiple second water conservancy diversion perforation 11021b
The aperture of 11021a.
Referring to Fig. 7, it is the schematic diagram of the annular partition 111 of the 4th embodiment of the application；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 from multiple blood ports 1111
Enter and can flow into immediately multiple spiral stream guidance slots 1112, blood is rapidly full of entire spiral stream guidance slot 1112.
Referring to Fig. 8, it is the sectional view of the spiral stream guidance integrated form membrane oxygenator 1 of the 5th embodiment of the application；
As shown, the quantity of the annular partition of present embodiment is two, two annular partitions call middle annular partition 111a and outer in the following text
The diameter of annular partition 111b, middle annular partition 111a are less than the diameter of outer ring partition 111b, and middle annular partition 111a is by right
Annular brace piece 122b is fixed on the lower annular brace piece 102b and second of second answered, 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 closed around oxygen
Cortina structure 115.The middle annular partition 111a and outer ring partition 111b of present embodiment are respectively provided with the more of annular arrangement
The flow-guiding structure that a blood port 1111 forms, the setting position of multiple blood ports 1111 of middle annular partition 111a and outer
The setting position of multiple blood ports 1111 of annular partition 111b is opposite, and the middle annular partition 111a's of present embodiment is multiple
Blood port 1111 is close to lower cover 10, and multiple blood ports 1111 of outer ring partition 111b are close to upper cover 12.Present embodiment
Spiral stream guidance integrated form membrane oxygenator 1 increase annular partition quantity, increase blood in alternating temperature cortina structure 114 and oxygen
The diffusion length of plying membrane structure 115, to increase the contact of blood with multiple alternating temperature cortina structures 114 and oxygen plying membrane structure 115
Area and diffusion area improve the utilization rate of alternating temperature cortina structure 114 and oxygen plying membrane structure 115.In addition, outer ring partition
Multiple blood ports 1111 of 111b avoid blood logical from multiple blood of outer ring partition 111b to connecing far from blood vessel 1121 is gone out
Mouth 1111 flows directly into out blood vessel 1121, so more improves the utilization rate of alternating temperature cortina structure 114 and oxygen plying membrane structure 115.
The surface of the outer ring partition 111b of present embodiment is further provided with the filter for removing blood particle and gas microembolus.
Fig. 9 and Figure 10 is please referred to, is the schematic diagram and outer ring of the middle annular partition 111a of the application sixth embodiment
The schematic diagram of shape partition 111b；As shown, the 5th embodiment is held, the middle annular partition 111a and outer ring of present embodiment
Partition 111b is respectively provided with equally distributed multiple water conservancy diversion perforation 1113, because of annular partition 111a and outer ring in present embodiment
Shape partition 111b is respectively provided with multiple water conservancy diversion perforation 1113, therefore can be omitted middle annular partition 111a and outer ring partition
The setting of multiple blood ports of 111b.The aperture of multiple water conservancy diversion perforation 1113 of middle annular partition 111a is greater than core shaft structure
The aperture in the aperture of multiple water conservancy diversion perforation of ring diversion plate, multiple water conservancy diversion perforation 1113 of outer ring partition 111b is less than middle ring
The aperture of multiple water conservancy diversion perforation 1113 of shape partition 111a, multiple water conservancy diversion of middle annular partition 111a and outer ring partition 111b
The aperture of multiple water conservancy diversion of perforation 1113 and ring diversion plate perforation is greater than 3mm.Certainly it can also omit outer ring partition 111b's
It is arranged or outer ring partition 111b is identical as the outer ring partition of the 5th embodiment, is repeated 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 bleeding
The shortest distance at the center of pipe 1121 is greater than 5mm, avoids blood directly from close to the multiple water conservancy diversion perforation 1113 for going out blood vessel 1121
Outflow makes blood that can improve the utilization of oxygen plying membrane structure from far from 1113 outflow of multiple water conservancy diversion perforation for going out blood vessel 1121
Rate, and blood is enable 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
1113 difference of multiple water conservancy diversion perforation of a spiral stream guidance slot (as shown in figure 11), middle annular partition 111a and outer ring partition 111b
In multiple spiral stream guidance slots of middle annular partition 111a and outer ring partition 111b.Each spiral stream guidance grooved ring is around middle ring
It is more than the half-turn of the inner surface of shape partition 111a or outer ring partition 111b, in other words, one end of each spiral stream guidance slot
It is greater than the semicircle perimeter of middle annular partition 111a or outer ring partition 111b, each spiral shell to the horizontal circumferential length of its other end
Revolve diversion trench one end and its other end vertical range between half middle annular partition 111a or outer ring partition
The height of 111b with 2/3rds middle annular partition 111a or outer ring partition 111b height.
Figure 11 is please referred to, is the sectional view of the core shaft structure 110 of the 7th embodiment of the application；As shown, this reality
The inner surface for applying the ring diversion plate 1102 of the core shaft structure 110 of mode has spaced multiple spiral stream guidance slots 11022,
Multiple water conservancy diversion perforation 11021 are between multiple spiral stream guidance slots 11022, each spiral stream guidance slot 11022 is around annular water conservancy diversion
It is more than the half-turn of the inner surface of plate 1102, in other words, the level of one end of each spiral stream guidance slot 11022 to its other end
Circumferential length is greater than the semicircle perimeter of ring diversion plate 1102, one end and its other end of each spiral stream guidance slot 11022
Vertical range between the ring diversion plate 1102 of half height with 2/3rds ring diversion plate 1102 height.So
The first end 1101a of mandrel body 1101 has water conservancy diversion cambered surface 11011, and one end connection of each spiral stream guidance slot 11022 is led
Cambered surface 11011 is flowed, in other words, multiple spiral stream guidance slots 11022 are located at the side of the first end 1101a of mandrel body 1101,
And the second end 1101b of corresponding mandrel body 1101.The water conservancy diversion cambered surface 11011 of mandrel body 1101 can buffer the flow velocity of blood, and
Guiding blood is swimmingly flowed in blood channel, and blood will not accumulate the first end 1101a in mandrel body 1101.Right multiple spirals
Diversion trench 11022 is 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, multiple spiral stream guidance slots 11022 guide blood shunts and from
11021 outflow of multiple water conservancy diversion perforation of ring diversion plate 1102, multiple water conservancy diversion perforation 11021 of right ring diversion plate 1102 can be equal
Blood shunt is increased into the contact area and diffusion area of blood and alternating temperature cortina structure again evenly, increases alternating temperature cortina structure
Utilization rate.
Figure 12 is please referred to, is the schematic diagram of the cortina structure 13 of the 8th embodiment of the application；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 ellipse, can so reduce blood priming amount.When blood flows into cortina structure 13
At 131, two adjacent doughnut layer, blood can be split into thinner blood film, increase the contact area of blood and oxygen,
Promote 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, in the water conservancy diversion perforation of the neighbouring middle annular partition 111 of blood vessel out
The heart and the shortest distance at the center of blood vessel out are greater than 5mm.
In conclusion the application provides a kind of spiral stream guidance integrated form membrane oxygenator, core shaft structure has annular water conservancy diversion
Plate, ring diversion plate guides blood flow by the flow-guiding structure with water conservancy diversion perforation and/or spiral stream guidance slot, and makees to blood
It shunts, increases the diffusion area of blood, increase the contact area of blood and cortina structure, effectively promote the utilization of cortina structure
Rate, while promoting the oxygenation efficiency of spiral stream guidance integrated form membrane oxygenator.The spiral stream guidance integrated form membrane oxygenation of the application
At least one settable annular partition of device, annular partition can support spiral stream guidance integrated form membrane oxygenator, while have thereon
The flow-guiding structure of water conservancy diversion perforation and/or spiral stream guidance slot, the flow-guiding structure effect having the same with ring diversion plate.The application
Cortina structure adjacent two layer doughnut layer spacing it is small, blood can be shunted again, form blood relatively thin
Blood film allows the oxygenation efficiency of blood and oxygen to be promoted.The section of the hollow fiber conduit of each layer of doughnut layer is round, side
Shape or 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 (13)
1. a kind of spiral stream guidance 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 are perforated at least one water conservancy diversion, at least one water conservancy diversion perforation distributions of the ring diversion plate
In on the ring diversion plate.
2. spiral stream guidance integrated form membrane oxygenator according to claim 1, which is characterized in that the ring diversion plate
The perforation of at least one water conservancy diversion includes the perforation of at least one first water conservancy diversion and the perforation of at least one second water conservancy diversion, the ring diversion plate
At least one first water conservancy diversion perforate close to the lower cover, at least one second water conservancy diversion perforation of the ring diversion plate is located at institute
The top of at least one first water conservancy diversion perforation of ring diversion plate is stated, and close to the upper cover, the ring diversion plate is at least
The aperture of one the second water conservancy diversion perforation is greater than the aperture that at least one first water conservancy diversion of the ring diversion plate is perforated.
3. spiral stream guidance integrated form membrane oxygenator according to claim 1, which is characterized in that the ring diversion plate is also
Including at least one spiral stream guidance slot, at least one spiral stream guidance slot of the ring diversion plate is set to the ring diversion plate
Inner surface, the ring diversion plate at least one water conservancy diversion perforation be located at the ring diversion plate at least one spiral stream guidance
In slot, at least one spiral stream guidance slot of the ring diversion plate corresponds to the second end of the mandrel body, and one end connects institute
State the first end of mandrel body.
4. spiral stream guidance integrated form membrane oxygenator according to claim 1, which is characterized in that the first of the mandrel body
End has water conservancy diversion cambered surface.
5. spiral stream guidance integrated form membrane oxygenator according to claim 1, which is characterized in that further include at least one ring
Shape 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 has outlet pipe, and the water inlet pipe and outlet pipe connection are by the annular partition and the mandrel into the core shaft structure
Interstructural space；The oxygen feeding tube and escape pipe connection are between closing shell into the annular partition of the core shaft structure and the oxygen
Space；Alternating temperature cortina structure is equipped between the annular partition and the core shaft structure of the core shaft structure, close to the core
The annular partition of axle construction and the oxygen are equipped with oxygen plying membrane structure between closing shell.
6. spiral stream guidance integrated form membrane oxygenator according to claim 5, which is characterized in that the alternating temperature cortina structure
And oxygen plying membrane structure respectively includes multilayer hollow fiber layer, each layer of doughnut layer has multiple hollow fiber conduits, each
The section of a hollow fiber conduit is round, rectangular or oval.
7. spiral stream guidance integrated form membrane oxygenator according to claim 5 or 6, which is characterized in that each annular every
Plate is perforated at least one water conservancy diversion, at least one water conservancy diversion perforation distributions of each annular partition in corresponding annular every
Plate.
8. spiral stream guidance integrated form membrane oxygenator according to claim 7, which is characterized in that it is described each annular every
Plate 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 ring
At least one water conservancy diversion perforation of the inner surface of shape partition, each annular partition is located at the corresponding annular partition extremely
In a few spiral stream guidance slot.
9. spiral stream guidance integrated form membrane oxygenator according to claim 5 or 6, which is characterized in that it is described at least one
Annular partition includes middle annular partition and outer ring partition, and the outer ring partition is set to the outside of the middle annular partition,
The outer ring partition closes 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, and the outer ring partition is extremely
Few water conservancy diversion perforation distributions are in the outer ring partition.
10. spiral stream guidance integrated form membrane oxygenator according to claim 9, which is characterized in that the outer ring partition
Surface be provided with the filter for removing blood particle and gas microembolus.
11. spiral stream guidance integrated form membrane oxygenator according to claim 9, which is characterized in that the middle annular partition
And outer ring partition respectively further comprises at least one spiral stream guidance slot, between at least one spiral stream guidance slot of the middle annular partition
Institute is arranged at intervals at every at least one spiral stream guidance slot of the inner surface for being set to the middle annular partition, the outer ring partition
The inner surface of outer ring partition is stated, at least one water conservancy diversion perforation of the middle annular partition and outer ring partition is located at described
In at least one spiral stream guidance slot of middle annular partition and outer ring partition.
12. spiral stream guidance integrated form membrane oxygenator according to claim 9, which is characterized in that the neighbouring blood vessel out
The middle annular partition and/or the outer ring partition at least one water conservancy diversion perforation center and it is described go out blood vessel center
The shortest distance be greater than 5mm.
13. spiral stream guidance integrated form membrane oxygenator according to claim 5 or 6, which is characterized in that each annular every
Plate includes at least one blood port and at least one spiral stream guidance slot of annular arrangement, close to the core shaft structure annular every
At least one blood port of plate is set to correspondence close to the lower cover, at least one spiral stream guidance slot of each annular partition
Annular partition outer surface, and be located at the side of at least one blood port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163515.9U CN208893292U (en) | 2017-09-12 | 2017-09-12 | A kind of spiral stream guidance integrated form membrane oxygenator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163515.9U CN208893292U (en) | 2017-09-12 | 2017-09-12 | A kind of spiral stream guidance integrated form membrane oxygenator |
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| Publication Number | Publication Date |
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| CN208893292U true CN208893292U (en) | 2019-05-24 |
Family
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| CN201721163515.9U Withdrawn - After Issue CN208893292U (en) | 2017-09-12 | 2017-09-12 | A kind of spiral stream guidance integrated form membrane oxygenator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362399A (en) * | 2017-09-12 | 2017-11-21 | 东莞科威医疗器械有限公司 | A kind of spiral stream guidance integrated form membrane oxygenator |
| WO2021042358A1 (en) * | 2019-09-06 | 2021-03-11 | 西安西京医疗用品有限公司 | Membrane oxygenator |
| CN112618829A (en) * | 2020-12-30 | 2021-04-09 | 东莞科威医疗器械有限公司 | Hollow fiber tube diversion temperature changing device and oxygenator for ECMO |
| CN113499496A (en) * | 2021-07-14 | 2021-10-15 | 江苏赛腾医疗科技有限公司 | Membrane oxygenator with built-in filter |
| WO2023284151A1 (en) * | 2021-07-14 | 2023-01-19 | 江苏赛腾医疗科技有限公司 | Integrated membrane oxygenator |
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2017
- 2017-09-12 CN CN201721163515.9U patent/CN208893292U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362399A (en) * | 2017-09-12 | 2017-11-21 | 东莞科威医疗器械有限公司 | A kind of spiral stream guidance integrated form membrane oxygenator |
| WO2021042358A1 (en) * | 2019-09-06 | 2021-03-11 | 西安西京医疗用品有限公司 | Membrane oxygenator |
| CN112618829A (en) * | 2020-12-30 | 2021-04-09 | 东莞科威医疗器械有限公司 | Hollow fiber tube diversion temperature changing device and oxygenator for ECMO |
| CN113499496A (en) * | 2021-07-14 | 2021-10-15 | 江苏赛腾医疗科技有限公司 | Membrane oxygenator with built-in filter |
| WO2023284151A1 (en) * | 2021-07-14 | 2023-01-19 | 江苏赛腾医疗科技有限公司 | Integrated membrane oxygenator |
| US11724014B2 (en) * | 2021-07-14 | 2023-08-15 | Jiangsu Stmed Technology Co., Ltd. | Membrane oxygenator with built-in filter |
| US11730870B2 (en) * | 2021-07-14 | 2023-08-22 | Jiangsu Stmed Technology Co., Ltd. | Integrated membrane oxygenators |
| JP2023537170A (en) * | 2021-07-14 | 2023-08-31 | 江▲蘇▼▲賽▼▲騰▼医▲療▼科技有限公司 | Membrane oxygenator with built-in filter |
| TWI815547B (en) * | 2021-07-14 | 2023-09-11 | 大陸商江蘇賽騰醫療科技有限公司 | Integrated membrane oxygenator |
| JP7381773B2 (en) | 2021-07-14 | 2023-11-16 | 江▲蘇▼▲賽▼▲騰▼医▲療▼科技有限公司 | Membrane oxygen supply device with built-in filter |
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