CN110215548B - Blood recovery unit based on thrombus filtration - Google Patents
Blood recovery unit based on thrombus filtration Download PDFInfo
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- CN110215548B CN110215548B CN201910524679.7A CN201910524679A CN110215548B CN 110215548 B CN110215548 B CN 110215548B CN 201910524679 A CN201910524679 A CN 201910524679A CN 110215548 B CN110215548 B CN 110215548B
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- suction
- negative pressure
- blood
- protective cover
- pipe
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- A61M1/0001—
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- 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
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
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- 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
- A61M1/71—Suction drainage systems
- A61M1/78—Means for preventing overflow or contamination of the pumping systems
-
- 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
- A61M1/84—Drainage tubes; Aspiration tips
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a blood recovery device based on thrombus filtration, and when blood is recovered, because the suction protective cover is arranged, the blood position can be protected through the suction protective cover, the problem that blood flows outwards when a suction head directly faces a wound is prevented, and misoperation and other conditions are prevented; the invention also provides a pressure stabilizing bag, which is more stable than the direct control of the suction negative pressure pump, and prevents the suction pump from generating adverse effects such as fluctuation.
Description
Technical Field
The invention relates to a blood recovery device based on thrombus filtration.
Background
In thrombus filter installation operation process, can make the operation incision bleed in a large number, therefore need retrieve blood, current recovery mode adopts the syringe to absorb or adopts the mode that the negative pressure was absorbed, to syringe absorption mode, generally absorb earlier then with the syringe in the inspiratory blood support press get into collect the cup in, the weak point that this kind of mode exists has: when the amount of blood is large, the blood is sucked and discharged for many times in this way, and the blood recovery is not convenient enough. In the existing common negative pressure suction mode, because the suction force of the negative pressure is applied, if the position is improper or the operation is careless, the blood is easy to flow out due to the action of the negative pressure suction force during suction, and particularly under the condition that the negative pressure suction force is difficult to accurately control according to the actual blood condition, the negative pressure action is easy to disturb the blood, so that the safety is influenced.
Disclosure of Invention
The invention aims to provide a blood recovery device based on thrombus filtration, which solves the problem of inconvenient blood recovery in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a blood recovery device based on thrombus filtration comprises a recovery container, a negative pressure suction assembly, a suction head, a suction protective cover and a controller, wherein the negative pressure suction assembly communicated with an internal cavity of the recovery container is arranged at the upper end of the recovery container; and is
The suction protective cover is of a conical structure, and a plurality of open grooves distributed along the circumferential direction of the suction protective cover are formed at the large conical end of the suction protective cover;
a blood detection probe extending along a conical generatrix of the suction protective cover is arranged in each open slot;
the blood detection probe can detect blood and blood volume at the suction shield;
the blood detection probe and the negative pressure suction assembly are in control connection with the controller, and the controller can automatically adjust and control the suction force of the negative pressure suction assembly according to the blood volume detected by the blood detection probe.
Further, as preferred, the negative pressure suction subassembly includes negative pressure suction pump, negative pressure stable bag, negative pressure straw and check valve, wherein, the negative pressure suction pump sets up retrieve the top of container, the negative pressure suction pump is connected to the negative pressure stable bag, the negative pressure stable bag sets up retrieve the top of container, just the negative pressure stable bag still communicates there is the negative pressure straw, the lower extreme of negative pressure straw stretches into in retrieving the container, just be provided with on the negative pressure straw the check valve.
Further, preferably, a suction nozzle is arranged at the front end of the suction head, and the suction nozzle extends into the central hole of the suction protective cover.
Further, as a preferred option, the port of the recovery container is provided with a cover plate, a screw is arranged on the outer edge of one surface of the cover plate, the recovery container is provided with a connecting ring, a mounting hole is arranged on the connecting ring, the screw penetrates through the mounting hole, and one end of the screw is locked through a nut.
Further, as preferred, the negative pressure suction subassembly includes the negative pressure suction pump, the negative pressure suction pump sets up on the apron, one side of apron is equipped with the suction hole, the connecting pipe has been installed to a port of suction hole, run through in the suction hole be provided with the suction siphunculus of connecting pipe intercommunication, the hose has been installed to a port of connecting pipe, a port of hose is installed the suction head.
Preferably, a soft ring is installed below the cover plate, the soft ring is of a ring structure, an annular groove is formed in one end of the soft ring, the annular groove is of a circular groove structure, and the annular groove is inserted into the port edge portion of the recycling container.
Further, preferably, the connection ring has a circular ring structure.
Preferably, the connection pipe is a right-angle pipe structure, and the position of the suction nozzle mounted at the end of the suction head is a conical pipe structure.
Further, preferably, positions of the blood detection probes in the open grooves in the direction of the conical generatrix of the suction shield are different, so that detection of the amount of blood accumulated at the suction shield is realized according to detection values of the blood detection probes at different positions.
Preferably, the negative pressure stabilizing bag is further connected with a pressure gauge for detecting the negative pressure therein.
Compared with the prior art, the invention has the beneficial effects that:
(1) when the blood is recovered, the suction protective cover is arranged, so that the blood position can be protected through the suction protective cover, the problem that blood flows out when a suction head directly faces a wound is prevented, and the situations of misoperation and the like are prevented;
(2) the invention also provides a pressure stabilizing bag, which is more stable than the direct control of the suction negative pressure suction pump, and prevents the suction pump from generating adverse effects such as fluctuation;
(3) according to the nut locking screw rod, the lower end of the cover plate is tightly pressed against the upper end of the soft ring, so that the inner wall of the ring groove is tightly attached to the upper port of the recovery container, the cover plate and the recovery container are matched to have good sealing performance, blood is quickly sucked into the suction head under the action of suction force, and then the blood is guided to the lower side of the interior of the recovery container through the hose, the connecting pipe, the suction hole and the through pipe, so that the blood is more conveniently recovered, and the problem of inconvenient blood recovery is solved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a front view partially cut-away schematic view of the present invention;
FIG. 3 is a schematic top view in transverse cross section of the upper side of the present invention;
fig. 4 is a schematic bottom view of the present invention in upper lateral cross section.
Fig. 5 is a schematic view of the structure of the suction guard of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a blood recovery device based on thrombus filtration comprises a recovery container 1, a negative pressure suction assembly, a suction head 15, a suction protective cover 19 and a controller, wherein the upper end of the recovery container 1 is provided with the negative pressure suction assembly communicated with an internal cavity of the recovery container, the upper end of the recovery container 1 is also provided with a suction through pipe 12 extending into the recovery container 1, the end part of the suction through pipe 12 is connected to the suction head 15 through a hose 14, and the end part of the suction head extends into the suction protective cover; and is
The suction protective cover 19 is in a conical structure, and a plurality of open grooves 22 distributed along the circumferential direction are formed at the conical large end of the suction protective cover;
a blood detection probe 21 extending along a conical generatrix of the suction shield is arranged in each open slot 22;
the blood detection probe 21 is capable of detecting blood and the amount of blood at the suction guard;
the blood detection probe and the negative pressure suction assembly are in control connection with the controller, and the controller can automatically adjust and control the suction force of the negative pressure suction assembly according to the blood volume detected by the blood detection probe.
In this embodiment, the negative pressure suction assembly includes negative pressure suction pump 10, negative pressure stabilizing bag 16, negative pressure suction pipe 9 and check valve 18, wherein, negative pressure suction pump 10 sets up retrieve the top of container, negative pressure suction pump is connected to negative pressure stabilizing bag 16, negative pressure stabilizing bag sets up retrieve the top of container, just negative pressure stabilizing bag still communicates the negative pressure suction pipe, the lower extreme of negative pressure suction pipe 9 stretches into in retrieving container 1, just be provided with on the negative pressure suction pipe check valve 18.
In a preferred embodiment, a suction nozzle 20 is provided at the front end of the suction head 15, and the suction nozzle 20 extends into the central hole of the suction shield 19.
The recycling container comprises a recycling container 1 and is characterized in that a cover plate 4 is arranged on the upper portion of a port of the recycling container 1, a screw rod 5 is arranged on the outer edge of one side of the cover plate 4, a connecting ring 6 is arranged on the upper portion of the recycling container 1, a mounting hole 7 is arranged on the connecting ring 6, the screw rod 5 penetrates through the mounting hole 7, and one end of the screw rod 5 is locked through a nut 8.
In the present invention, the negative pressure suction assembly includes a negative pressure suction pump 10, the negative pressure suction pump is disposed on the cover plate 4, a suction hole 11 is disposed on one side of the cover plate 4, a connection pipe 13 is disposed at an end opening of the suction hole 11, a suction through pipe 12 communicated with the connection pipe 13 is disposed in the suction hole in a penetrating manner, a hose 14 is disposed at an end opening of the connection pipe 13, and a suction head 15 is disposed at an end opening of the hose 14.
In a preferred embodiment, a soft ring 2 is installed on the lower surface of the cover plate 4, the soft ring 2 is in a circular ring structure, an annular groove 3 is installed at one end of the soft ring 2, the annular groove 3 is in a circular groove structure, and the annular groove 3 is inserted into the port edge portion of the recycling container 1. Wherein, the connecting ring 6 is a circular ring structure.
In addition, as a more preferred embodiment, the connection tube 13 is a right-angle tube structure, and the position of the suction nozzle at the end of the suction head 15 is a conical tube structure. The positions of the blood detection probes 21 in the open grooves 22 are different in the direction of the conical generatrix of the suction protective cover 19, so that the detection of the blood accumulation at the suction protective cover is realized according to the detection values of the blood detection probes at different positions. The negative pressure stabilizing bag 16 is also connected with a pressure gauge for detecting the negative pressure therein.
In the specific implementation of the invention, the nut 8 locks the screw rod 5, so that the lower end of the cover plate 4 presses the upper end of the soft ring 2, thereby the inner wall of the ring groove 3 is tightly attached to the upper port of the recovery container 1, the cover plate 4 and the recovery container 1 are matched to have good sealing performance, the power plug of the negative pressure suction pump 10 is connected with the power socket, the negative pressure suction pump 10 can be operated, thereby the negative pressure suction to the pressure stabilizing bag is realized, the negative pressure is generated in the recovery container 1, therefore, the left port of the suction head 15 has suction force, the hose 14 can be held, then the suction protective cover and the left port of the suction head 15 are contacted with the blood to be recovered, the blood is sucked into the suction head 15 under the suction force, and then the blood is guided to the inner lower side of the recovery container 1 through the hose 14, the connecting pipe 13, the suction hole 11 and the through pipe 12, thereby the blood recovery is more convenient, in the suction process, the controller can be according to the blood volume that blood detection probe detected is right the suction force of negative pressure suction subassembly carries out automatically regulated and control, the protection casing also can prevent that the suction head is direct just to or be close to the wound, when the blood in accomodating ware 1 is taken back to needs flourishing, can screw down nut 8 from screw rod 5, then upwards stimulate apron 4, can make screw rod 5 deviate from mounting hole 7, annular 3 deviates from the last port of retrieving accomodating ware 1 simultaneously, can implement from retrieving accomodating ware 1 and take greatly, after taking greatly, can insert the last port of retrieving accomodating ware 1 again with annular 3, and insert screw rod 5 one-to-one mounting hole 7, then it can to screw nut 8 at screw rod 5 lower extreme again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A blood recovery device based on thrombus filtration comprises a recovery container (1), a negative pressure suction assembly, a suction head (15), a suction protective cover (19) and a controller, wherein the negative pressure suction assembly communicated with an internal cavity of the recovery container (1) is arranged at the upper end of the recovery container (1), a suction through pipe (12) extending into the recovery container (1) is further arranged at the upper end of the recovery container, the end part of the suction through pipe (12) is connected to the suction head (15) through a hose (14), and the end part of the suction head extends into the suction protective cover; and is
The suction protective cover (19) is of a conical structure, and a plurality of open grooves (22) distributed along the circumferential direction of the suction protective cover are formed at the large conical end of the suction protective cover;
a blood detection probe (21) extending along a conical generatrix of the suction protective cover is arranged in each open slot (22);
the blood detection probe (21) is capable of detecting blood and the amount of blood at the suction guard;
the blood detection probe and the negative pressure suction assembly are in control connection with the controller, and the controller can automatically adjust and control the suction force of the negative pressure suction assembly according to the blood volume detected by the blood detection probe;
the positions of the blood detection probes (21) in the open grooves (22) in the direction of the conical generatrix of the suction protective cover (19) are different, so that the detection of the blood accumulation amount at the suction protective cover is realized according to the detection values of the blood detection probes at different positions.
2. A blood recovery device based on thrombus filtration according to claim 1 wherein: the negative pressure suction assembly comprises a negative pressure suction pump (10), a negative pressure stabilizing bag (16), a negative pressure suction pipe (9) and a one-way valve (18), wherein the negative pressure suction pump (10) is arranged at the top of the recovery container, the negative pressure suction pump is connected to the negative pressure stabilizing bag (16), the negative pressure stabilizing bag is arranged at the top of the recovery container, the negative pressure stabilizing bag is further communicated with the negative pressure suction pipe, the lower end of the negative pressure suction pipe (9) extends into the recovery container (1), and the one-way valve (18) is arranged on the negative pressure suction pipe.
3. A blood recovery device based on thrombus filtration according to claim 1 wherein: the front end of the suction head (15) is provided with a suction nozzle (20), and the suction nozzle (20) extends into the central hole of the suction protective cover (19).
4. A blood recovery device based on thrombus filtration according to claim 1 wherein: retrieve and hold ware (1) port facial make-up and be equipped with apron (4), screw rod (5) have been laid to apron (4) one side outer fringe, retrieve and hold ware (1) facial make-up and be equipped with go-between (6), laid mounting hole (7) on go-between (6), nut (8) locking is passed through to the one end that mounting hole (7) and screw rod (5) were worn out in screw rod (5).
5. A blood recovery device based on thrombus filtration according to claim 4 wherein: the negative pressure suction assembly comprises a negative pressure suction pump (10), the negative pressure suction pump is arranged on the cover plate (4), one side of the cover plate (4) is provided with a suction hole (11), a connecting pipe (13) is installed at one port of the suction hole (11), a suction through pipe (12) communicated with the connecting pipe (13) penetrates through the suction hole, a hose (14) is installed at one port of the connecting pipe (13), and a suction head (15) is installed at one port of the hose (14).
6. A blood recovery device based on thrombus filtration according to claim 4 wherein: soft ring (2) have been installed below apron (4), and soft ring (2) are the ring structure, and the one end of soft ring (2) is equipped with annular (3), and annular (3) are the annular groove structure, and annular (3) insert the port edge portion of retrieving container (1).
7. A blood recovery device based on thrombus filtration according to claim 6 wherein: the connecting ring (6) is of a circular ring structure.
8. A blood recovery device based on thrombus filtration according to claim 5 wherein: the connecting pipe (13) is of a right-angle pipe structure, and the position of the end part of the suction head (15) where the suction nozzle is installed is of a conical pipe structure.
9. A blood recovery device based on thrombus filtration according to claim 2 wherein: the negative pressure stabilizing bag (16) is also connected with a pressure gauge for detecting the negative pressure in the negative pressure stabilizing bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524679.7A CN110215548B (en) | 2019-06-17 | 2019-06-17 | Blood recovery unit based on thrombus filtration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524679.7A CN110215548B (en) | 2019-06-17 | 2019-06-17 | Blood recovery unit based on thrombus filtration |
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| Publication Number | Publication Date |
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| CN110215548A CN110215548A (en) | 2019-09-10 |
| CN110215548B true CN110215548B (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910524679.7A Active CN110215548B (en) | 2019-06-17 | 2019-06-17 | Blood recovery unit based on thrombus filtration |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104014006A (en) * | 2014-06-17 | 2014-09-03 | 伍锟 | Synchronous blood doping system applied to haemorrhage patient in surgery |
| CN105288766A (en) * | 2015-10-12 | 2016-02-03 | 李卫校 | Thrombus filtration and recovery device |
| CN106214477A (en) * | 2016-08-15 | 2016-12-14 | 胡广芹 | Digital display tank |
| WO2017140424A2 (en) * | 2016-02-15 | 2017-08-24 | Fresenius Medical Care Deutschland Gmbh | Equipment for extra-corporeal treatment of blood, comprising an evaluation- and control unit |
| WO2017198186A1 (en) * | 2016-05-20 | 2017-11-23 | Winnoz Technology, Inc | Device and system of blood collection, and method thereof |
| CN208492051U (en) * | 2017-08-10 | 2019-02-15 | 兰州大学 | A kind of hand intraoperative hemorrhage monitoring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8366690B2 (en) * | 2006-09-19 | 2013-02-05 | Kci Licensing, Inc. | System and method for determining a fill status of a canister of fluid in a reduced pressure treatment system |
-
2019
- 2019-06-17 CN CN201910524679.7A patent/CN110215548B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014006A (en) * | 2014-06-17 | 2014-09-03 | 伍锟 | Synchronous blood doping system applied to haemorrhage patient in surgery |
| CN105288766A (en) * | 2015-10-12 | 2016-02-03 | 李卫校 | Thrombus filtration and recovery device |
| WO2017140424A2 (en) * | 2016-02-15 | 2017-08-24 | Fresenius Medical Care Deutschland Gmbh | Equipment for extra-corporeal treatment of blood, comprising an evaluation- and control unit |
| WO2017198186A1 (en) * | 2016-05-20 | 2017-11-23 | Winnoz Technology, Inc | Device and system of blood collection, and method thereof |
| CN106214477A (en) * | 2016-08-15 | 2016-12-14 | 胡广芹 | Digital display tank |
| CN208492051U (en) * | 2017-08-10 | 2019-02-15 | 兰州大学 | A kind of hand intraoperative hemorrhage monitoring device |
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| CN110215548A (en) | 2019-09-10 |
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