CN204293593U - A kind of blood perfusion device - Google Patents
A kind of blood perfusion device Download PDFInfo
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- CN204293593U CN204293593U CN201420653776.9U CN201420653776U CN204293593U CN 204293593 U CN204293593 U CN 204293593U CN 201420653776 U CN201420653776 U CN 201420653776U CN 204293593 U CN204293593 U CN 204293593U
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- deflection plate
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Abstract
A kind of blood perfusion device, comprise upper end cover, bottom end cover and perfusion device body, described upper end cover and bottom end cover are respectively arranged with liquid outlet and inlet, upper end cover, bottom end cover are arranged at the two ends of perfusion device body respectively, container cavity is provided with in perfusion device body, adsorbent has been filled with in described container cavity, described container cavity internal fixtion is provided with the deflection plate for increasing liquid flow, the liquid inlet of described deflection plate is communicated with described inlet, and the outlet end of described deflection plate is communicated with described liquid outlet.Blood perfusion device of the present utility model, carries out break-in by deflection plate to the blood flowed through in container cavity, increases the flow process of blood in perfusion device, make the abundant Contact-sorption agent of blood, effectively improve the adsorption efficiency of adsorbent, absorption adequacy, and shorten treatment time.
Description
Technical field
The utility model relates to technical field of medical instruments, particularly relates to a kind of blood perfusion device.
Background technology
Blood perfusion device carries out the requisite critical medical apparatus of blood perfusion.
As described in Figure 1, perfusion device comprises the upper end cover 1 and bottom end cover 2 that are arranged at cylinder two ends respectively to conventional blood perfusion device, is provided with inlet 5 in the middle of bottom end cover, is provided with liquid outlet 6, is provided with container cavity, is provided with adsorbent 4 in described container cavity in cylinder 3 in the middle of upper end cover 1.
When carrying out blood perfusion operation, blood enters from inlet 5 adsorbent 4 that cylinder 3 flows through column body, then flows out from liquid outlet 6.Owing to having flow velocity faster when blood enters inlet 5, thus blood is preferentially fully contacted with the agent of cylinder intermediate adsorbent, be in toxic substance concentration in the blood of the adsorbent contact in the middle of cylinder 3 high, comparatively fast reach adsorption equilibrium; Be in adsorbent then more contact the purifying the blood after the adsorbent of axle center of cylinder surrounding, its TC is low, reaches adsorption equilibrium slow.
Prior art Problems existing is: the noxious material in the blood do not purified is diffused into cylinder surrounding in the middle of cylinder needs certain hour, and blood has certain speed when entering inlet 5, walk the adsorbent of " short circuit " inlet 6 from perfusion device in the middle of cylinder 3 directly to liquid outlet, cause blood fully can not contact with the adsorbent of cylinder surrounding, thus reduce adsorbent efficiency and effective adsorptivity.
Summary of the invention
In order to solve the problem, the utility model provides a kind of blood perfusion device that can increase blood flow process in perfusion device.
Goal of the invention of the present utility model is achieved through the following technical solutions:
A kind of blood perfusion device is provided, comprise upper end cover, bottom end cover and perfusion device body, described upper end cover and bottom end cover are respectively arranged with liquid outlet and inlet, upper end cover, bottom end cover are arranged at the two ends of perfusion device body respectively, container cavity is provided with in perfusion device body, adsorbent has been filled with in described container cavity, described container cavity internal fixtion is provided with the deflection plate for increasing liquid flow, the liquid inlet of described deflection plate is communicated with described inlet, and the outlet end of described deflection plate is communicated with described liquid outlet.
Wherein, described deflection plate is set to arcuate deflection plate or disk-and-doughnut type deflection plate or class arcuate deflection plate.
Wherein, when described deflection plate is set to arcuate deflection plate, described deflection plate is one-body molded with described container cavity or weld or gluing or be embedded in described container cavity.
Wherein, the cross-sectional area of described deflection plate is greater than 1/2nd of container cavity radial cross-sectional area, and the radial section of container cavity amasss the radial section being greater than inlet with the area of section of deflection plate difference amasss.
Wherein, when described deflection plate is set to disk-and-doughnut type deflection plate, the radial section of container cavity amasss the radial section being greater than inlet with disc face product moment and amasss, the round plate area of described deflection plate is greater than the cross-sectional area of the annular portion internal diameter of described deflection plate, and the radial area of annular portion internal diameter is greater than the radial section area of inlet.
Wherein, the round plate of described deflection plate is fixedly connected with the inwall of container cavity by connector, and described annular portion is fixedly connected with the inwall of described container cavity.
Wherein, when described deflection plate is set to segmental baffle, described inlet is arranged at the relative one end near first commutation portion of described deflection plate in described bottom end cover, and described liquid outlet is arranged at the relative one end near last commutation portion of described deflection plate in described upper end cover.
Wherein, be provided with filter screen in the commutation portion of described deflection plate and the region of described container cavity inwall, described filter screen one end is connected with described deflection plate, and the other end is connected with the inside of described container cavity, for supporting and separating adsorbent.
Wherein, described deflection plate is set to screw type deflection plate, and the spiral inlet of described deflection plate is communicated with described inlet, and the spiral outlet of described deflection plate is communicated with described liquid outlet.
The beneficial effects of the utility model:
A kind of blood perfusion device, comprise upper end cover, bottom end cover and perfusion device body, described upper end cover and bottom end cover are respectively arranged with liquid outlet and inlet, upper end cover, bottom end cover are arranged at the two ends of perfusion device body respectively, container cavity is provided with in perfusion device body, adsorbent has been filled with in described container cavity, described container cavity internal fixtion is provided with the deflection plate for increasing liquid flow, the liquid inlet of described deflection plate is communicated with described inlet, and the outlet end of described deflection plate is communicated with described liquid outlet.
Blood perfusion device of the present utility model, carries out break-in by deflection plate to the blood flowed through in container cavity, increases the flow process of blood in adsorbent, make the abundant Contact-sorption agent of blood, effectively improve the adsorption efficiency of adsorbent, absorption adequacy, and shorten treatment time.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of blood perfusion device of prior art.
Fig. 2 is the structural representation being provided with the blood perfusion device of arcuate deflection plate of the present utility model.
Fig. 3 is the structural representation being provided with the blood perfusion device of disk-and-doughnut type deflection plate of the present utility model.
Fig. 4 is the structural representation being provided with the blood perfusion device of collar plate shape deflection plate of the present utility model.
Fig. 5 is the structural representation being provided with the blood perfusion device of screw type deflection plate of the present utility model.
Include in Fig. 1, Fig. 2, Fig. 3, Fig. 4:
1---upper end cover, 2---bottom end cover, 3---container cavity, 4---adsorbent, 5---inlet, 6---liquid outlet, 7---deflection plate, 8---commutation portion, 9---round plate, 10---annular portion, 11---screw type deflection plates.
Detailed description of the invention
With the following Examples the utility model is described in further detail.
Embodiment 1
As shown in Figure 2, the blood perfusion device of the present embodiment, comprise upper end cover 1, bottom end cover 2, described upper end cover 1 and bottom end cover 2 are respectively arranged with liquid outlet 6 and inlet 5, perfusion device body is set to cylinder, described upper end cover 1 and bottom end cover 2 are arranged at the two ends of cylinder respectively, cylinder and be respectively equipped with filter screen (not shown) between upper end cover and bottom end cover, the middle part of cylinder is provided with container cavity 3, adsorbent 4 has been filled with in described container cavity 3, described filter screen, for limiting adsorbent, makes adsorbent not go out perfusion device and enter in human vas.The deflection plate 7 for increasing liquid flow is provided with in described container cavity 3.
Described deflection plate 7 can be single arc, bouble-bow shape or three arc, deflection plate 7 will be divided into a blood circulation passage in container cavity 3, the liquid inlet of described deflection plate is communicated with described inlet 5, outlet end is communicated with described liquid outlet 6, namely the liquid inlet of blood circulation passage is communicated with liquid outlet 6 with the inlet of accommodating cavity 3 respectively at setting with outlet end
Described deflection plate 7 is one-body molded with described container cavity 3, or is fixedly installed in described container cavity 3 by welding, gluing, the mode such as to be embedded.
The quantity of described deflection plate 7 is no less than 1, and when the quantity of deflection plate is more than or equal to 2, described deflection plate staggers setting mutually, and namely the link position distance of adjacent baffle and cylinder farthest.
Deflection plate 7 quantity arranged in the present embodiment perfusion device container cavity 3 is 3.The length of the cross section of described deflection plate 7 is greater than 1/2nd of the internal diameter of container cavity 3, the length of the cross section of described deflection plate 7, effectively can realize the effect of baffling, increases the flow process of blood.
Described inlet 5 is arranged at the relative one end near first commutation portion 8 of described deflection plate 7 in described bottom end cover 1, and described liquid outlet 6 is arranged at the relative one end near last commutation portion 8 of described deflection plate 7 in described upper end cover 2.The radial section in described commutation portion 8 amasss the radial section being greater than inlet 5 and amasss, and be less than perfusion device radial section long-pending 1/2, and the radial section of container cavity amasss the radial section being greater than inlet with the area of section difference of deflection plate amasss.
The position of inlet 5 and liquid outlet 6 is arranged, and can increase the flow process of blood in adsorbent 4, inlet 5 and liquid outlet 6 are positioned at one end farthest, commutation portion 8 of distance deflection plate 7 immediate with it all the time, and when namely blood flows through commutation portion 8, its flow process is the longest.
Described place of commutation portion 8 also can arrange filter screen, is separated by regional, thus makes can fill dissimilar adsorbent as required in regional, as Microporous resin, ion exchange resin, active carbon or carbide resin etc., reaches different therapeutic purposes.
The blood perfusion device of the present embodiment, carries out break-in by deflection plate 7 to the blood flowed through in container cavity 3, increases the flow process of blood in adsorbent 4, make the abundant Contact-sorption agent 4 of blood, effectively improve the adsorption efficiency of adsorbent 4, absorption adequacy, and shorten treatment time.
Embodiment 2
As shown in Figure 3, in the present embodiment, the deflection plate of blood perfusion device adopts the form of disk-and-doughnut shape, what described disk, annulus staggered mutually is arranged in container cavity 3, and disk is arranged at cylinder near inlet 5 or liquid outlet 6 one end, and described disk is corresponding with inlet 5 and liquid outlet 6, namely inlet 5 or liquid outlet 6 are positioned at the middle part of disk along the projection of perfusion device axial direction, thus it is maximum to guarantee that blood enters from inlet 5 flow distance that accommodating cavity 3 flows along the liquid outlet 6 of four circumferential perfusion devices of disk.The radial section of described disk amasss the radial section being greater than inlet 5 and amasss, and the radial section of container cavity amasss the radial section being greater than inlet with disc face product moment and amasss; And the radial area of annular portion internal diameter is greater than the radial section area of inlet.The disk 9 radial section area of described deflection plate is greater than described annulus 10 internal diameter sectional area, thus guarantee that the commutation portion 8 of liquid stream after disk 9 with annulus after the adsorbent of cylinder surrounding fully contacts again in the middle of annulus flows to next disk, the flow process of liquid is increased, and fully contact with the adsorbent in cylinder, improve the rate that makes full use of of adsorbent and effective adsorptivity.
In described disk-and-doughnut deflection plate unit, the quantity of disk and annulus is at least respectively 1, and the deflection plate unit of preferred scheme to be disk-and-doughnut-disk a be unit, the deflection plate unit in perfusion device is at least 1.
Described disk is fixedly connected in cylinder wall by support bar, and is supported by cylinder, and annulus then can directly be fixedly connected in cylinder wall, and described being fixedly connected with can adopt welding, the form such as bonding.
Place of described commutation portion 8 also can arrange filter screen, thus is separated by regional, and regional can fill different adsorbents according to different Treatment need, as Microporous resin ion exchange resin, active carbon or carbide resin etc., reaches different therapeutic purposes.
As shown in Figure 4, deflection plate in the present embodiment can be reduced to disk deflection plate, described disk deflection plate is arranged at blood perfusion device inlet 5 one end, and described disk deflection plate is corresponding with the position of inlet 5, and the axis of preferred disk deflection plate and the axis of inlet 5 are located along the same line.
Embodiment 3
As shown in Figure 5, the deflection plate in the present embodiment is spirality deflection plate 11, and inlet 5 is arranged at original position bottom end cover 2 corresponding to spirality deflection plate, and liquid outlet 6 is arranged at final position upper end cover 1 corresponding to spirality deflection plate.Described spirality deflection plate by welding or the form such as bonding fixing be arranged in cylinder wall, described liquid flows along spirality deflection plate, increase the flow process of liquid in cylinder and liquid is fully contacted with adsorbent, thus improving the adsorption rate of adsorbent, and effective adsorptivity.Blood perfusion device of the present utility model, by arranging deflection plate 11 in perfusion device column body, increasing liquid stream through the flow process of container cavity, making the abundant Contact-sorption agent of liquid, effectively improve the adsorption efficiency of adsorbent, absorption adequacy, and shorten treatment time.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model but not restriction to the utility model protection domain; although be explained in detail the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (9)
1. a blood perfusion device, comprise upper end cover, bottom end cover and perfusion device body, described upper end cover and bottom end cover are respectively arranged with liquid outlet and inlet, upper end cover, bottom end cover are arranged at the two ends of perfusion device body respectively, container cavity is provided with in perfusion device body, adsorbent has been filled with in described container cavity, it is characterized in that: described container cavity internal fixtion is provided with the deflection plate for increasing liquid flow, the liquid inlet of described deflection plate is communicated with described inlet, and the outlet end of described deflection plate is communicated with described liquid outlet.
2. a kind of blood perfusion device according to claim 1, is characterized in that: described deflection plate is set to arcuate deflection plate or disk-and-doughnut type deflection plate or class arcuate deflection plate.
3. a kind of blood perfusion device according to claim 2, is characterized in that: when described deflection plate is set to arcuate deflection plate, and described deflection plate is one-body molded with described container cavity or weld or gluing or be embedded in described container cavity.
4. a kind of blood perfusion device according to claim 3, it is characterized in that: when described deflection plate is set to arcuate deflection plate, the cross-sectional area of described deflection plate is greater than 1/2nd of container cavity radial cross-sectional area, and the radial section of container cavity amasss the radial section being greater than inlet with the area of section of deflection plate difference amasss.
5. a kind of blood perfusion device according to claim 2, it is characterized in that: when described deflection plate is set to disk-and-doughnut type deflection plate, the radial section of container cavity amasss the radial section being greater than inlet with disc face product moment and amasss, the round plate area of described deflection plate is greater than the cross-sectional area of the annular portion internal diameter of described deflection plate, and the radial area of annular portion internal diameter is greater than the radial section area of inlet.
6. a kind of blood perfusion device according to claim 5, is characterized in that: the round plate of described deflection plate is fixedly connected with the inwall of container cavity by connector, and described annular portion is fixedly connected with the inwall of described container cavity.
7. a kind of blood perfusion device according to claim 2, it is characterized in that: when described deflection plate is set to segmental baffle, described inlet is arranged at the relative one end near first commutation portion of described deflection plate in described bottom end cover, and described liquid outlet is arranged at the relative one end near last commutation portion of described deflection plate in described upper end cover.
8. a kind of blood perfusion device according to claim 1 to 7 any one, it is characterized in that: in the commutation portion of described deflection plate and the region of described container cavity inwall, be provided with filter screen, described filter screen one end is connected with described deflection plate, the other end is connected with the inside of described container cavity, for supporting and separating adsorbent.
9. a kind of blood perfusion device according to claim 1, it is characterized in that: described deflection plate is set to screw type deflection plate, the spiral inlet of described deflection plate is communicated with described inlet, the spiral outlet of described deflection plate is communicated with described liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653776.9U CN204293593U (en) | 2014-11-03 | 2014-11-03 | A kind of blood perfusion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653776.9U CN204293593U (en) | 2014-11-03 | 2014-11-03 | A kind of blood perfusion device |
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| CN204293593U true CN204293593U (en) | 2015-04-29 |
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| CN201420653776.9U Active CN204293593U (en) | 2014-11-03 | 2014-11-03 | A kind of blood perfusion device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477718A (en) * | 2015-08-10 | 2016-04-13 | 常州华岳微创医疗器械有限公司 | Blood perfusion apparatus |
| CN113368325A (en) * | 2021-05-27 | 2021-09-10 | 北京中科盛康科技有限公司 | Intelligent resin purification system for blood perfusion device |
| CN114306790A (en) * | 2021-12-16 | 2022-04-12 | 江苏恰瑞生物科技有限公司 | Immobilized uricase perfusion apparatus and application thereof |
-
2014
- 2014-11-03 CN CN201420653776.9U patent/CN204293593U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477718A (en) * | 2015-08-10 | 2016-04-13 | 常州华岳微创医疗器械有限公司 | Blood perfusion apparatus |
| CN113368325A (en) * | 2021-05-27 | 2021-09-10 | 北京中科盛康科技有限公司 | Intelligent resin purification system for blood perfusion device |
| CN114306790A (en) * | 2021-12-16 | 2022-04-12 | 江苏恰瑞生物科技有限公司 | Immobilized uricase perfusion apparatus and application thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519085 No. 98 Science and Technology Sixth Road, Zhuhai High-tech Zone, Guangdong Province Patentee after: Jianfan Biotechnology Group Co., Ltd. Address before: 519085 No. 98 Science and Technology Sixth Road, Zhuhai High-tech Zone, Guangdong Province Patentee before: Jafron Biomedical Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |