CN110448750B - Blood perfusion device - Google Patents
Blood perfusion device Download PDFInfo
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- CN110448750B CN110448750B CN201910727741.2A CN201910727741A CN110448750B CN 110448750 B CN110448750 B CN 110448750B CN 201910727741 A CN201910727741 A CN 201910727741A CN 110448750 B CN110448750 B CN 110448750B
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- 230000008081 blood perfusion Effects 0.000 title claims abstract description 29
- 239000008280 blood Substances 0.000 claims abstract description 52
- 210000004369 blood Anatomy 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 238000001179 sorption measurement Methods 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 230000008093 supporting effect Effects 0.000 claims description 25
- 238000007906 compression Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000011010 flushing procedure Methods 0.000 abstract description 10
- 230000010412 perfusion Effects 0.000 abstract description 7
- 239000003463 adsorbent Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/38—Removing constituents from donor blood and storing or returning remainder to body, e.g. for transfusion
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to the technical field of medical equipment, and particularly discloses a blood perfusion device, which comprises a cylinder body filled with adsorption resin, two blood nozzles, two filter screens and two cover bodies, wherein the two blood nozzles are hermetically connected to two ends of the cylinder body in a threaded connection mode, and the filter screens are respectively arranged between two end surfaces of the cylinder body and the two blood nozzles; the two cover bodies are respectively and hermetically connected to the channel ports included by the two blood nozzles in a threaded connection mode; and locking components for locking and preventing the corresponding cover bodies from falling are arranged on the two cover bodies. The invention can improve the sealing effect of the blood perfusion device, can avoid leakage caused by clinical pre-flushing of the Cheng Guan perfusion device, and reduce the pre-flushing work amount of medical institutions.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a blood perfusion device.
Background
The blood perfusion is a treatment technology for removing endogenous or exogenous poison and pathogenic substances in the blood of a patient by an adsorbent with a special adsorption function in a blood perfusion device by means of extracorporeal circulation, so that blood purification is achieved, and the blood perfusion device is a very effective blood purification treatment means clinically at present.
In the prior art, the outer walls of the two ends of the cylinder body of the blood perfusion device are only provided with fastening threads matched with the end covers, or limit lugs or check buckles are arranged to position the end covers, and the end covers and the cylinder body are sealed by only one elastic sealing ring. The prior art has the defect that the elastic sealing ring can not keep sealing continuously due to the increase of the pressure in the perfusion device in the clinical pre-flushing or using process of the blood perfusion device, so that the pre-flushing liquid or blood leaks along the threads.
The existing blood perfusion device has poor sealing effect, so that the perfusion device leaks in the clinical pre-flushing process, a series of complicated operations such as disassembling pipelines to replace the perfusion device are added when necessary, and the pre-flushing workload and the treatment cost of a medical institution are increased; more importantly, the risk of losing blood and bacteria invading the blood of the patient increases due to leakage of the perfusion device during the perfusion process, and the pain of the patient increases.
Disclosure of Invention
The present invention is directed to a blood perfusion device, which solves the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the blood perfusion device comprises a cylinder body filled with adsorption resin, two blood nozzles, two filter screens and two cover bodies, wherein the two blood nozzles are hermetically connected to two ends of the cylinder body in a threaded connection mode, and the filter screens are respectively arranged between two end surfaces of the cylinder body and the two blood nozzles; the two cover bodies are respectively and hermetically connected to the channel ports included by the two blood nozzles in a threaded connection mode; and locking components for locking and preventing the corresponding cover bodies from falling are arranged on the two cover bodies.
As a further scheme of the invention: sealing strips are arranged on the upper surface and the lower surface of the end part of the filter screen, and a lower sealing groove matched with the sealing strip on the lower surface of the end part of the filter screen is arranged on the end surface of the cylinder body; an upper sealing groove matched with the sealing strip on the upper surface of the end part of the filter screen is formed in the inner surface of the blood nozzle.
As a further scheme of the invention: in order to improve the sealing effect between the cylinder body and the blood nozzle, the sealing strip is of a circular structure, the upper sealing groove and the lower sealing groove are of trapezoid groove structures, and when the sealing strip of the circular structure is placed in the trapezoid groove, two inclined planes of the trapezoid groove are propped against the sealing strip of the circular structure, so that the sealing effect of the sealing strip can be further improved.
As a further scheme of the invention: the side wall of the end part of the cylinder body is fixedly provided with a first external thread ring sleeve, and the inner wall of the side plate of the blood nozzle is sleeved on the first external thread ring sleeve in a threaded connection mode.
As a further scheme of the invention: the upper surface of the blood nozzle is provided with an annular groove and an annular containing groove from inside to outside, the inner side surface of the annular containing groove on the blood nozzle is provided with a second external thread annular sleeve, and the inner wall of the side plate of the cover body is sleeved on the second external thread annular sleeve in a threaded connection mode.
As a further scheme of the invention: the annular protruding blocks on the outer side of the rubber plug are embedded into the annular grooves, a second annular block is arranged on the lower surface of the cover body, and a second annular block matched with the second annular block is arranged on the upper surface of the rubber plug; the upper surface of the rubber plug is provided with a first annular groove, and the lower surface of the cover body is provided with a first annular block matched with the first annular groove.
As a further scheme of the invention: in order to further improve the sealing effect between the blood nozzle and the cover body, an annular sealing gasket is arranged at the top end of the blood nozzle positioned at the inner side of the annular groove, and the top surface of the annular sealing gasket is contacted with the lower surface of the rubber plug.
As a further scheme of the invention: the locking assembly comprises a limit edge block with an inclined surface, a limit groove which is correspondingly matched with the limit edge block is formed in the outer ring surface of the bottom of the side plate of the cover body in the annular accommodating groove, the locking assembly also comprises an elastic supporting piece which is arranged on the outer side plate of the annular accommodating groove and used for pushing the limit edge block to be embedded into the limit groove, and an adjusting part which is used for adjusting the orientation of the inclined surface on the limit edge block is also arranged on the outer side plate of the annular accommodating groove;
when the inclined plane of spacing arris piece up, when the curb plate of lid is the screw in annular holding tank gradually, the inclined plane of cooperation spacing arris piece can promote spacing arris piece and retract, when continuing to screw the lid, when spacing arris piece aimed at spacing groove, spacing arris piece embedding spacing inslot, the plane of the bottom surface of spacing arris piece offsets with the bottom surface of spacing groove this moment, can effectively avoid pulling out the curb plate of lid from annular holding tank, avoid the lid to take place to loosen promptly to the leakproofness between effectual assurance lid and the blood nozzle.
As a further scheme of the invention: a circular accommodating cavity is formed in the outer side plate of the annular accommodating groove, and a circular supporting cylinder which is included by the elastic supporting piece is rotationally arranged in the circular accommodating cavity; the elliptical sliding cavity in the circular supporting cylinder is horizontally and dynamically provided with an elliptical supporting sliding block, and the elliptical supporting sliding block is connected with the limiting edge block through a supporting compression bar.
As a further scheme of the invention: the adjusting part comprises an operation panel connected with the circular supporting cylinder through a supporting rotating shaft; the inner wall of the outer end of the circular accommodating cavity is connected with a connecting spring, and the other end of the connecting spring is propped against the end face of the circular supporting cylinder; two limiting pins are symmetrically and fixedly arranged on the inner side surface of the operating panel, and two limiting pin holes corresponding to the limiting pins are formed in the outer wall of the blood nozzle.
Compared with the prior art, in the blood perfusion device provided by the embodiment of the invention, the net rack is used for blocking the adsorbent, preventing the adsorbent from entering a human body, and the sealing effect of the blood perfusion device can be improved through the mutual matching of the sealing strip and the sealing groove and the arranged rubber plug, so that the leakage of the blood perfusion device caused by the clinical pre-flushing Cheng Guan flow device can be avoided, and the pre-flushing workload of a medical institution is reduced; more importantly, the risk of losing blood and bacteria invading blood of a patient due to leakage occurring through the Cheng Guan flow device can be reduced; in addition, the blood perfusion device provided by the embodiment of the invention can prevent the cover body from loosening through the locking component, thereby effectively ensuring the tightness between the cover body and the blood nozzle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a blood perfusion apparatus according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1.
Fig. 3 is a perspective view of a rubber stopper in a blood perfusion apparatus according to an embodiment of the present invention.
Fig. 4 is a perspective view of another view of a rubber stopper in a blood perfusion apparatus according to an embodiment of the present invention.
Fig. 5 is an enlarged schematic view of the portion B in fig. 1.
In the figure: the device comprises a cylinder body, a blood nozzle, a 3-first external thread annular sleeve, a 4-filter screen, a 5-upper seal groove, a 6-seal strip, a 7-lower seal groove, an 8-cover body, a 9-anti-slip rubber pad, 10-adsorption resin, an 11-rubber plug, a 12-first annular block, a 13-first annular groove, a 14-second annular groove, a 15-second annular block, a 16-second external thread annular sleeve, a 17-annular accommodating groove, a 18-limit edge block, a 19-limit groove, a 20-channel, a 21-annular seal pad, a 22-annular groove, a 23-annular bump, a 24-circular accommodating cavity, a 25-circular supporting cylinder, a 26-compression spring, a 27-supporting compression rod, a 28-elliptical supporting slider, a 29-connecting spring, a 30-operating disk, a 31-limit pin, a 32-limit pin hole and a 33-supporting rotating shaft.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1 to 5, in one embodiment of the present invention, a blood perfusion device includes a cylinder 1 filled with an adsorption resin 10, two blood nozzles 2, two filter screens 4 and two covers 8, wherein the two blood nozzles 2 are hermetically connected to two ends of the cylinder 1 by a threaded connection manner, and the filter screens 4 are respectively arranged between two end surfaces of the cylinder 1 and the two blood nozzles 2; the two cover bodies 8 are respectively and hermetically connected to the ports of the channels 20 included in the two blood nozzles 2 in a threaded connection mode; and locking components for locking and preventing the cover body 8 corresponding to the two cover bodies 8 are arranged on the two cover bodies 8.
With continued reference to fig. 1, in the embodiment of the present invention, sealing strips 6 are respectively disposed on the upper and lower surfaces of the end portion of the filter screen 4, and a lower sealing groove 7 matched with the sealing strip 6 on the lower surface of the end portion of the filter screen 4 is disposed on the end surface of the cylinder 1; an upper sealing groove 5 matched with a sealing strip 6 on the upper surface of the end part of the filter screen 4 is formed in the inner surface of the blood nozzle 2.
In order to improve the sealing effect between the cylinder body 1 and the blood nozzle 2, preferably, the sealing strip 6 is of a circular structure, the upper sealing groove 5 and the lower sealing groove 7 are of trapezoid groove structures, and when the sealing strip 6 of the circular structure is placed in the trapezoid groove, two inclined planes of the trapezoid groove are propped against the sealing strip 6 of the circular structure, so that the sealing effect can be further improved.
Further, referring to fig. 1, in the embodiment of the present invention, a first external thread ring 3 is fixedly installed on the side wall of the end portion of the cylinder 1, and the inner wall of the side plate of the blood nozzle 2 is sleeved on the first external thread ring 3 in a threaded connection manner.
In the embodiment provided by the invention, as shown in fig. 1-2, the upper surface of the blood nozzle 2 is respectively provided with an annular groove 22 and an annular accommodating groove 17 from inside to outside, the inner side surface of the annular accommodating groove 17 formed on the blood nozzle 2 is provided with a second external thread annular sleeve 16, the inner wall of the side plate of the cover body 8 is sleeved on the second external thread annular sleeve 16 in a threaded connection mode, and the bottom of the side plate of the cover body 8 is embedded into the annular accommodating groove 17.
Further, the annular bump 23 on the outer side of the rubber plug 11 is embedded into the annular groove 22, the lower surface of the cover body 8 is provided with a second annular block 14, and the upper surface of the rubber plug 11 is provided with a second annular block 15 matched with the second annular block 14; the upper surface of the rubber plug 11 is provided with a first annular groove 13, and the lower surface of the cover body 8 is provided with a first annular block 12 matched with the first annular groove 13.
In order to further improve the sealing effect between the blood nozzle 2 and the cover body 8, the top end of the blood nozzle 2 positioned inside the annular groove 22 is provided with an annular sealing gasket 21, and the top surface of the annular sealing gasket 21 is contacted with the lower surface of the rubber plug 11;
further, in the embodiment of the present invention, an anti-slip rubber pad 9 is further disposed on the outer ring of the side plate of the cover 8, so as to facilitate the rotation operation of the cover 8.
With continued reference to fig. 1 to 5, in the embodiment of the present invention, the locking assembly includes a limiting rib 18 having an inclined surface, a limiting groove 19 corresponding to the limiting rib 18 is formed on the outer surface of the bottom of the side plate of the cover 8 located in the annular accommodating groove 17, the locking assembly further includes an elastic supporting member disposed on the outer side plate of the annular accommodating groove 17 and used for pushing the limiting rib 18 to be embedded into the limiting groove 19, and an adjusting portion for adjusting the orientation of the inclined surface on the limiting rib 18 is further disposed on the outer side plate of the annular accommodating groove 17; when the inclined surface of the limiting edge block 18 faces upwards, the limiting edge block 18 can be pushed to retract (at the moment when the elastic supporting piece is in a compressed state) by matching with the inclined surface of the limiting edge block 18 when the side plate of the cover body 8 is gradually screwed into the annular containing groove 17, when the cover body 8 is continuously screwed, the limiting edge block 18 is embedded into the limiting groove 19 when the limiting edge block 18 is aligned with the limiting groove 19, the plane of the bottom surface of the limiting edge block 18 is propped against the bottom surface of the limiting groove 19, and the side plate of the cover body 8 can be effectively prevented from being pulled out from the annular containing groove 17, namely, the cover body 8 is prevented from being loosened, so that the tightness between the cover body 8 and the blood nozzle 2 is effectively ensured.
Specifically, a circular accommodating cavity 24 is formed on the outer side plate of the annular accommodating groove 17, and a circular supporting cylinder 25 included by the elastic supporting piece is rotatably arranged in the circular accommodating cavity 24; an oval support slide block 28 is horizontally and dynamically arranged in the oval slide cavity in the round support cylinder 25, and the oval support slide block 28 is connected with the limit edge block 18 through a support pressure rod 27.
Further, in the adjusting part provided by the embodiment of the present invention, the adjusting part includes an operation panel 30 connected with the circular support cylinder 25 through a support rotating shaft 33; a connecting spring 29 is connected to the inner wall of the outer end of the circular accommodating cavity 24, and the other end of the connecting spring 29 abuts against the end face of the circular supporting cylinder 25; two limiting pins 31 are symmetrically and fixedly arranged on the inner side surface of the operating panel 30, two limiting pin holes 32 which are correspondingly matched with the limiting pins 31 are formed in the outer wall of the blood nozzle 2, the limiting pins 31 are separated from the limiting pin holes 32 by pulling the operating panel 30, then the operating panel 30 is rotated for half a circle, the elastic supporting piece can be driven to rotate for half a circle, the direction of the inclined surface on the limiting edge block 18 is adjusted, then the operating panel 30 is loosened, and the limiting pins 31 are embedded into the corresponding limiting pin holes 32 under the supporting action of the connecting springs 29, so that the direction of the inclined surface of the limiting edge block 18 can be adjusted.
In the blood perfusion device provided by the embodiment of the invention, the net rack is used for blocking the adsorbent, preventing the adsorbent from entering a human body, and the sealing effect of the blood perfusion device can be improved through the mutual matching of the sealing strip and the sealing groove and the arranged rubber plug, so that leakage caused by clinical pre-flushing of the Cheng Guan perfusion device can be avoided, and the pre-flushing work amount of a medical institution is reduced; more importantly, the risk of losing blood and bacteria invading the blood of the patient due to leakage through the Cheng Guan flow device can be reduced.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The blood perfusion device is characterized by comprising a cylinder body (1) filled with adsorption resin (10), two blood nozzles (2), two filter screens (4) and two cover bodies (8), wherein the two blood nozzles (2) are hermetically connected to two ends of the cylinder body (1) in a threaded connection mode, and the filter screens (4) are respectively arranged between two end surfaces of the cylinder body (1) and the two blood nozzles (2); the two cover bodies (8) are respectively and hermetically connected to ports of channels (20) included in the two blood nozzles (2) in a threaded connection mode; the two cover bodies (8) are respectively provided with a locking component for locking and preventing the cover bodies (8) corresponding to the locking components from falling off;
the upper surface of the blood nozzle (2) is provided with an annular groove (22) and an annular accommodating groove (17) from inside to outside, the inner side surface of the annular accommodating groove (17) formed in the blood nozzle (2) is provided with a second external thread annular sleeve (16), and the inner wall of a side plate of the cover body (8) is sleeved on the second external thread annular sleeve (16) in a threaded connection mode;
the locking assembly comprises a limit edge block (18) with an inclined surface, a limit groove (19) which is correspondingly matched with the limit edge block (18) is formed in the outer ring surface of the bottom of the side plate of the cover body (8) positioned in the annular accommodating groove (17), the locking assembly further comprises an elastic supporting piece which is arranged on the outer side plate of the annular accommodating groove (17) and used for pushing the limit edge block (18) to be embedded into the limit groove (19), and an adjusting part which is used for adjusting the direction of the inclined surface on the limit edge block (18) is further arranged on the outer side plate of the annular accommodating groove (17);
a circular accommodating cavity (24) is formed in the outer side plate of the annular accommodating groove (17), and a circular supporting cylinder (25) included by the elastic supporting piece is rotatably arranged in the circular accommodating cavity (24); an elliptical support sliding block (28) is horizontally arranged in the elliptical sliding cavity in the circular support cylinder (25), and the elliptical support sliding block (28) is connected with the limit edge block (18) through a support compression bar (27);
the adjusting part comprises an operation panel (30) connected with the circular supporting cylinder (25) through a supporting rotating shaft (33); the inner wall of the outer end of the circular accommodating cavity (24) is connected with a connecting spring (29), and the other end of the connecting spring (29) is propped against the end face of the circular supporting cylinder (25); two limiting pins (31) are symmetrically and fixedly arranged on the inner side surface of the operating panel (30), and two limiting pin holes (32) which are correspondingly matched with the limiting pins (31) are formed in the outer wall of the blood nozzle (2).
2. The blood perfusion device according to claim 1, wherein sealing strips (6) are arranged on the upper surface and the lower surface of the end part of the filter screen (4), and a lower sealing groove (7) matched with the sealing strips (6) on the lower surface of the end part of the filter screen (4) is arranged on the end surface of the cylinder (1); an upper sealing groove (5) matched with a sealing strip (6) on the upper surface of the end part of the filter screen (4) is formed in the inner surface of the blood nozzle (2).
3. The blood perfusion apparatus according to claim 2, wherein the sealing strip (6) has a circular structure, and the upper sealing groove (5) and the lower sealing groove (7) have trapezoid groove structures.
4. A blood perfusion device according to any one of claims 1-3, characterized in that a first external thread ring sleeve (3) is fixedly arranged on the side wall of the end part of the cylinder body (1), and the inner wall of the side plate of the blood nozzle (2) is sleeved on the first external thread ring sleeve (3) in a threaded connection mode.
5. The blood perfusion device according to claim 1, wherein an annular bump (23) on the outer side of the rubber plug (11) is embedded into the annular groove (22), a second annular groove (14) is formed on the lower surface of the cover body (8), and a second annular block (15) matched with the second annular groove (14) is arranged on the upper surface of the rubber plug (11); the upper surface of the rubber plug (11) is provided with a first annular groove (13), and the lower surface of the cover body (8) is provided with a first annular block (12) matched with the first annular groove (13).
6. The blood perfusion apparatus according to claim 5, wherein an annular sealing pad (21) is provided at the tip of the blood nozzle (2) located inside the annular groove (22), and the top surface of the annular sealing pad (21) is in contact with the lower surface of the rubber stopper (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727741.2A CN110448750B (en) | 2019-07-26 | 2019-07-26 | Blood perfusion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727741.2A CN110448750B (en) | 2019-07-26 | 2019-07-26 | Blood perfusion device |
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| Publication Number | Publication Date |
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| CN110448750A CN110448750A (en) | 2019-11-15 |
| CN110448750B true CN110448750B (en) | 2024-03-15 |
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| CN201910727741.2A Active CN110448750B (en) | 2019-07-26 | 2019-07-26 | Blood perfusion device |
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| CN111414058A (en) * | 2020-03-16 | 2020-07-14 | 浙江广厦建设职业技术学院 | Embedded radiating computer chip assembly quality |
| CN111904151A (en) * | 2020-08-14 | 2020-11-10 | 苏州骊赫信息科技有限公司 | Service desk for information technology consultation |
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| CN101843932A (en) * | 2010-05-26 | 2010-09-29 | 重庆希尔康血液净化器材研发有限公司 | Hemoperfusion cartridge |
| CN203749905U (en) * | 2014-02-14 | 2014-08-06 | 佛山市博新生物科技有限公司 | Rack mounting structure of blood perfusion apparatus |
| CN204709495U (en) * | 2015-04-24 | 2015-10-21 | 天益阳（天津）生物分离工程技术有限公司 | For the blood mouth sealing device of blood perfusion device |
| CN204723477U (en) * | 2014-10-30 | 2015-10-28 | 珠海健帆生物科技股份有限公司 | A kind of blood perfusion device tank body with double containment system |
| CN208350485U (en) * | 2018-06-28 | 2019-01-08 | 王淑佳 | A kind of Senior Biology experiment blood smear producing device |
| CN109663162A (en) * | 2019-01-29 | 2019-04-23 | 广州康盛生物科技有限公司 | The encapsulating structure of plasorber and its adsorbent |
-
2019
- 2019-07-26 CN CN201910727741.2A patent/CN110448750B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843932A (en) * | 2010-05-26 | 2010-09-29 | 重庆希尔康血液净化器材研发有限公司 | Hemoperfusion cartridge |
| CN203749905U (en) * | 2014-02-14 | 2014-08-06 | 佛山市博新生物科技有限公司 | Rack mounting structure of blood perfusion apparatus |
| CN204723477U (en) * | 2014-10-30 | 2015-10-28 | 珠海健帆生物科技股份有限公司 | A kind of blood perfusion device tank body with double containment system |
| CN204709495U (en) * | 2015-04-24 | 2015-10-21 | 天益阳（天津）生物分离工程技术有限公司 | For the blood mouth sealing device of blood perfusion device |
| CN208350485U (en) * | 2018-06-28 | 2019-01-08 | 王淑佳 | A kind of Senior Biology experiment blood smear producing device |
| CN109663162A (en) * | 2019-01-29 | 2019-04-23 | 广州康盛生物科技有限公司 | The encapsulating structure of plasorber and its adsorbent |
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| CN110448750A (en) | 2019-11-15 |
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