CN110448751B - Autologous blood recovery device - Google Patents
Autologous blood recovery device Download PDFInfo
- Publication number
- CN110448751B CN110448751B CN201910727742.7A CN201910727742A CN110448751B CN 110448751 B CN110448751 B CN 110448751B CN 201910727742 A CN201910727742 A CN 201910727742A CN 110448751 B CN110448751 B CN 110448751B
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- blood
- autologous
- autologous blood
- tank cover
- pipe
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Classifications
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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
- A61M1/36—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
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
-
- 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
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
- A61M1/3633—Blood component filters, e.g. leukocyte filters
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- 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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an autologous blood recovery device, belongs to the field of medical appliances, and solves the problems that the existing autologous blood recovery device cannot effectively separate blood and blood plasma is easy to cause unsmooth blood flow; the blood collection device comprises an autologous blood recovery tank body, a tank cover, a venous blood collection pipe, a pipe sleeve, a blood separation cup, a blood collection pipe and a blood guide pipe, wherein the top of the autologous blood recovery tank body is connected with the tank cover, the pipe sleeve is arranged at the middle part of the top of the tank cover, the bottom of the pipe sleeve is connected with a rotating disk, the bottom of the rotating disk is connected with the blood separation cup, the pipe sleeve capable of driving the blood separation cup to rotate is arranged on the tank cover, the venous blood collection pipe is convenient for injecting venous blood into the blood separation cup, the venous blood enters a blood filtration chamber after defoaming and filtering, the separated blood enters a blood pump from a bottom arterial bleeding port through the blood guide pipe and is input into a human body, thus extracorporeal circulation is completed, convenience and quickness are realized, and the separated blood is also convenient to discharge from the blood collection pipe, and the operation is convenient.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to an autologous blood recovery device.
Background
With the annual increase of blood consumption, the hospitals often suffer from blood consumption, and if patients and hospitals cannot obtain needed blood in time, immeasurable results are brought to the patients, and although the countries advocate gratuitous blood donation, the effects are not obvious. In order to reduce the waste of precious blood resources and meet the requirements of clinical blood transfusion treatment, avoid or reduce the occurrence of adverse reactions of allogeneic blood transfusion, the recovery of autologous blood loss, the separation of blood components and the therapeutic plasma replacement in the operation are widely applied to clinic, and the aim of 'saving oneself with own blood' is truly realized.
The autologous blood recovery device is used for absorbing the blood of a patient in an operation, filtering and then returning the blood to the patient, and is widely applied. However, when the blood is filtered in the blood storage tank, a few blood blocking phenomena exist, so that on one hand, the patient needs to return the blood of the patient urgently, and on the other hand, the blood blocked in the blood storage tank cannot be output, and the life safety of the patient doing the operation is directly threatened. The main reason for the blood blocking phenomenon is that the separated blood plasma in the blood cannot be discharged in time, so that the filtering component is blocked, and bubbles in the blood cannot be removed.
Accordingly, there is a need to provide an autologous blood recovery device that aims to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the embodiment of the invention aims to provide an autologous blood recovery device so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an autologous blood recovery ware, includes autologous blood recovery jar body, cover, venous blood collecting pipe, pipe box, blood separation cup, plasma collecting pipe and guide tube, autologous blood recovery jar body top is connected with the cover, cover top mid-mounting has the pipe box, and the welding has the awl ring gear on the pipe box upper end outer wall, and bevel gear is connected in the awl ring engagement, and the pipe box bottom sets up in the inside blood filter room of autologous blood recovery jar body, and the pipe box bottom is connected with the rotary disk, and the blood separation cup is connected to the rotary disk bottom, is equipped with the filter stand on the blood separation cup lateral wall, and the filter stand inboard is equipped with the filter felt, and the filter felt inboard is equipped with the bubble elimination net, and autologous blood recovery jar body bottom is equipped with arterial bleeding mouth.
As a further scheme of the invention, the tank cover is connected with the autologous blood recovery tank body through threads, the inner wall of the tank cover is provided with internal threads, the outer wall of the upper end of the autologous blood recovery tank body is provided with external threads, the internal threads on the tank cover are meshed with the external threads on the autologous blood recovery tank body, and the venous blood collection pipe is arranged inside the top end of the pipe sleeve.
As a further scheme of the invention, an embedded ring is welded on the pipe sleeve, and the embedded ring is embedded in a clamping groove in the middle of the top end of the tank cover.
As a further scheme of the invention, a ball bearing is arranged in a clamping groove between the pipe sleeve and the tank cover.
As a further proposal of the invention, the bevel gear is arranged on a driving shaft which is connected with a motor, and the motor is arranged on the tank cover.
As a further scheme of the invention, the venous blood collecting pipe is arranged in the pipe sleeve and is communicated with the inside of the pipe sleeve, a venous blood inlet is arranged at the top of the venous blood collecting pipe, the venous blood collecting pipe is fixed on the connecting pipe fixing frame, and the connecting pipe fixing frame is fixed on the tank cover.
As a further scheme of the invention, the arterial bleeding port is connected with a blood guide tube which is communicated with the blood filtering chamber.
As a further scheme of the invention, a sliding plate is embedded in the middle of the bottom end of the blood separating cup, a sealing gasket is arranged between the sliding plate and the blood separating cup, a plasma outlet is arranged in the middle of the sliding plate, and the plasma outlet is connected with a plasma collecting pipe.
As a further aspect of the present invention, the plasma collection tube is fixed to and extends out from the bottom wall of the autologous blood collection tank.
As a further scheme of the invention, an oxygenation pipeline is arranged in the blood filtering chamber of the autologous blood recovery tank body, a plurality of air holes are arranged on the oxygenation pipeline, a medicine adding exhaust hole is arranged at the top of the tank cover, and a sealing plug is arranged on the medicine adding exhaust hole.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the autologous blood recovery device, the tube sleeve capable of driving the blood separation cup to rotate is arranged on the tank cover, venous blood is conveniently injected into the blood separation cup through the venous blood collection tube, and enters the blood filtration chamber after defoaming and filtering, and the separated blood enters the blood pump through the blood guide tube from the arterial bleeding port at the bottom and then is input into a human body, so that extracorporeal circulation is completed, convenience and rapidness are realized, and separated blood plasma is conveniently discharged from the blood plasma collection tube, and convenience in operation is realized.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the invention.
Fig. 2 is a schematic structural view of a pipe sleeve according to an embodiment of the invention.
Fig. 3 is a schematic structural view of embodiment 2 of the invention.
Reference numerals: 1-autologous blood recovery tank, 2-tank cap, 3-venous blood inlet, 4-venous blood collection tube, 5-adapter holder, 6-dosing exhaust hole, 7-sealing plug, 8-tube sleeve, 9-embedded ring, 10-ball bearing, 11-sealing ring, 12-cone gear, 13-bevel gear, 14-driving shaft, 15-motor, 16-blood filter chamber, 17-rotating disk, 18-blood separation cup, 19-filter bracket, 20-filter felt, 21-defoaming net, 22-sliding plate, 23-plasma outlet, 24-plasma collection tube, 25-arterial bleeding port and 26-blood guide tube.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1-2, an autologous blood recovery device comprises an autologous blood recovery tank body 1, a tank cover 2, a venous blood collection tube 4, a tube sleeve 8, a blood separation cup 18, a blood plasma collection tube 24 and a blood guide tube 26, wherein the top of the autologous blood recovery tank body 1 is connected with the tank cover 2, the tank cover 2 is connected with the autologous blood recovery tank body 1 through threads, an inner thread is arranged on the inner wall of the tank cover 2, an outer thread is arranged on the outer wall of the upper end of the autologous blood recovery tank body 1, the inner thread on the tank cover 2 is meshed with the outer thread on the autologous blood recovery tank body 1, and in order to increase the tightness between the autologous blood recovery tank body 1 and the tank cover 2, preferably, a sealing gasket is arranged on the inner wall of the top end of the tank cover 2 and used for sealing a gap between the autologous blood recovery tank body 1 and the tank cover 2, so that the tightness of connection between the autologous blood recovery tank body 1 and the tank cover 2 is ensured;
the pipe sleeve 8 is arranged in the middle of the top end of the tank cover 2, the embedded ring 9 is welded on the pipe sleeve 8, the embedded ring 9 is embedded in the clamping groove in the middle of the top end of the tank cover 2, the pipe sleeve 8 is effectively prevented from sliding up and down, the ball bearing 10 is arranged in the clamping groove between the pipe sleeve 8 and the tank cover 2, and the ball bearing 10 is convenient for the pipe sleeve 8 to rotate in the clamping groove in the middle of the top end of the tank cover 2; the bevel gear ring 12 is welded on the outer wall of the upper end of the pipe sleeve 8, the bevel gear ring 12 is meshed with the bevel gear 13, the bevel gear 13 is arranged on the driving shaft 14, the driving shaft 14 is connected with the motor 15, the motor 15 is arranged on the tank cover 2, when the motor 15 is started, a motor shaft drives the driving shaft 14 to rotate, and the bevel gear 13 on the driving shaft 14 drives the bevel gear ring 12 and the pipe sleeve 8 to rotate, so that the pipe sleeve 8 is conveniently driven to rotate.
The top end of the tube sleeve 8 is internally provided with a venous blood collecting tube 4, the venous blood collecting tube 4 is arranged in the tube sleeve 8 and is communicated with the interior of the tube sleeve 8, the top of the venous blood collecting tube 4 is provided with a venous blood inlet 3 for injecting venous blood into the venous blood collecting tube 4 and flowing into the tube sleeve 8; the venous blood collection tube 4 is fixed on the connecting tube fixing frame 5, the connecting tube fixing frame 5 is fixed on the tank cover 2, the venous blood collection tube 4 is fixed through the connecting tube fixing frame 5, and the venous blood collection tube 4 does not rotate along with the tube sleeve 8.
The bottom of the pipe sleeve 8 is arranged in a blood filtering chamber 16 in the autologous blood recovery tank body 1, the bottom of the pipe sleeve 8 is connected with a rotary disk 17, the bottom of the rotary disk 17 is connected with a blood separating cup 18, a filtering bracket 19 is arranged on the side wall of the blood separating cup 18, a filtering felt 20 is arranged on the inner side of the filtering bracket 19, a defoaming net 21 is arranged on the inner side of the filtering felt 20, and venous blood enters the blood filtering chamber 16 after defoaming and filtering;
an arterial bleeding port 25 is arranged at the bottom of the autologous blood recovery tank body 1, the arterial bleeding port 25 is connected with a blood guide tube 26, the blood guide tube 26 is communicated with the blood filtering chamber 16, and separated blood enters a blood pump from the arterial bleeding port 25 at the bottom through the blood guide tube 26 and is then input into a human body, so that extracorporeal circulation is completed;
the middle part of the bottom end of the blood separating cup 18 is provided with a sliding plate 22 embedded therein, a sealing gasket is arranged between the sliding plate 22 and the blood separating cup 18, the middle part of the sliding plate 22 is provided with a plasma outlet 23, the plasma outlet 23 is connected with a plasma collecting pipe 24, the plasma collecting pipe 24 is fixed on the bottom wall of the autologous blood recovering tank body 1 and penetrates out of the bottom wall of the autologous blood recovering tank body 1, the plasma collecting pipe 24 is provided with a valve which is a known device, the valve comprises a manual valve and an electric valve, when the valve is opened, the plasma collecting pipe 24 is used for discharging separated plasma, and when the valve is closed, the discharge of blood and the like in the blood separating cup 18 from the plasma collecting pipe 24 is avoided.
Example 2
Referring to fig. 2-3, an autologous blood recovery device comprises an autologous blood recovery tank 1, a tank cover 2, a venous blood collection tube 4, a tube sleeve 8, a blood separation cup 18, a plasma collection tube 24 and a blood guide tube 26, wherein the top of the autologous blood recovery tank 1 is connected with the tank cover 2, and the bottom of the tube sleeve 8 is arranged in a blood filter chamber 16 in the autologous blood recovery tank 1;
unlike example 1, the following is: an oxygenation pipeline is further arranged in the blood filtering chamber 16 of the autologous blood recovery tank body 1, a plurality of air holes are formed in the oxygenation pipeline and used for outputting oxygen through the air holes in the oxygenation pipeline to exchange gas with blood, residual gas is discharged to a medicine adding exhaust hole 6 arranged at the top of the tank cover 2, and a sealing plug 7 is arranged on the medicine adding exhaust hole 6;
the filtering felt 20 and the defoaming net 21 are also arranged at the arterial bleeding port 25 and used for defoaming and secondary filtering, so that the arterial bleeding port 25 enters a blood pump and then is input into the blood of a human body for defoaming, and the extracorporeal circulation is completed.
The remaining structural parts of this embodiment are the same as those of embodiment 1.
The technical principle of the present invention has been described above in connection with specific embodiments, but is only the preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive effort and are intended to fall within the scope of the invention.
Claims (7)
1. The utility model provides an autologous blood recovery ware, includes autologous blood recovery jar body (1), cover (2), venous blood collecting pipe (4), pipe box (8), blood separation cup (18), blood collection pipe (24) and lead vascular (26), autologous blood recovery jar body (1) top is connected with cover (2), its characterized in that, cover (2) top mid-mounting has pipe box (8), has welded bevel ring (12) on pipe box (8) upper end outer wall, bevel ring (12) meshing connection bevel gear (13), pipe box (8) bottom sets up in inside blood filter chamber (16) of autologous blood recovery jar body (1), pipe box (8) bottom is connected with rotary disk (17), blood separation cup (18) are connected to rotary disk (17) bottom, are equipped with filter felt (19) on blood separation cup (18) lateral wall, are equipped with filter felt (20) in filter felt (19), are equipped with on filter felt (20) inboard, autologous blood recovery jar body (1) bottom is equipped with arterial bleeding mouth (25);
a ball bearing (10) is arranged in a clamping groove between the pipe sleeve (8) and the tank cover (2);
the bevel gear (13) is arranged on the driving shaft (14), the driving shaft (14) is connected with the motor (15), and the motor (15) is arranged on the tank cover (2);
the venous blood collecting tube (4) is arranged in the tube sleeve (8) and is communicated with the inside of the tube sleeve (8), a venous blood inlet (3) is formed in the top of the venous blood collecting tube (4), the venous blood collecting tube (4) is fixed on the connecting tube fixing frame (5), and the connecting tube fixing frame (5) is fixed on the tank cover (2).
2. The autologous blood recovery device according to claim 1, wherein the tank cover (2) is connected with the autologous blood recovery tank body (1) through threads, internal threads are arranged on the inner wall of the tank cover (2), external threads are arranged on the outer wall of the upper end of the autologous blood recovery tank body (1), internal threads on the tank cover (2) are meshed with external threads on the autologous blood recovery tank body (1), and a venous blood collection tube (4) is arranged inside the top end of the tube sleeve (8).
3. The autologous blood recovery device according to claim 2, wherein an inlay ring (9) is welded on the tube sleeve (8), and the inlay ring (9) is embedded in a clamping groove in the middle of the top end of the tank cover (2).
4. An autologous blood recovery device according to claim 1, wherein the arterial bleeding port (25) is connected to a blood conduit (26), the blood conduit (26) being in communication with the blood filter chamber (16).
5. The autologous blood recovery device according to claim 1, wherein a sliding plate (22) is embedded in the middle of the bottom end of the blood separation cup (18), a sealing gasket is arranged between the sliding plate (22) and the blood separation cup (18), a plasma outlet (23) is arranged in the middle of the sliding plate (22), and the plasma outlet (23) is connected with a plasma collecting tube (24).
6. An autologous blood recovery device according to claim 5, wherein the plasma collection tube (24) is secured to the bottom wall of the autologous blood recovery tank (1) and extends out from the bottom wall of the autologous blood recovery tank (1).
7. The autologous blood recovery device according to any one of claims 1-6, wherein an oxygenation pipeline is arranged in a blood filter chamber (16) of the autologous blood recovery tank body (1), a plurality of air holes are formed in the oxygenation pipeline, a dosing exhaust hole (6) is formed in the top of the tank cover (2), and a sealing plug (7) is arranged on the dosing exhaust hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727742.7A CN110448751B (en) | 2019-07-26 | 2019-07-26 | Autologous blood recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727742.7A CN110448751B (en) | 2019-07-26 | 2019-07-26 | Autologous blood recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110448751A CN110448751A (en) | 2019-11-15 |
| CN110448751B true CN110448751B (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910727742.7A Active CN110448751B (en) | 2019-07-26 | 2019-07-26 | Autologous blood recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110448751B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114099822A (en) * | 2021-11-30 | 2022-03-01 | 曾华北 | Autoblood return transfusion filter |
| CN116751662B (en) * | 2023-08-17 | 2023-11-17 | 中国人民解放军联勤保障部队第九二〇医院 | Separator with cytoprotection function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4767396A (en) * | 1987-03-03 | 1988-08-30 | Haemonetics Corporation | Method and apparatus for processing biological fluids |
| US6705983B1 (en) * | 1999-04-09 | 2004-03-16 | Haemonetics Corporation | Compact centrifuge device and use of same |
| JP2009045260A (en) * | 2007-08-21 | 2009-03-05 | Senko Medical Instr Mfg Co Ltd | Blood reservoir |
| CN201271370Y (en) * | 2008-06-24 | 2009-07-15 | 四川南格尔生物医学股份有限公司 | Blood storing tank special for disposable autoblood recovery device |
| CN108144142A (en) * | 2018-01-18 | 2018-06-12 | 董亚东 | A kind of centrifugal type blood composition separate cup and separation method |
-
2019
- 2019-07-26 CN CN201910727742.7A patent/CN110448751B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4767396A (en) * | 1987-03-03 | 1988-08-30 | Haemonetics Corporation | Method and apparatus for processing biological fluids |
| US6705983B1 (en) * | 1999-04-09 | 2004-03-16 | Haemonetics Corporation | Compact centrifuge device and use of same |
| JP2009045260A (en) * | 2007-08-21 | 2009-03-05 | Senko Medical Instr Mfg Co Ltd | Blood reservoir |
| CN201271370Y (en) * | 2008-06-24 | 2009-07-15 | 四川南格尔生物医学股份有限公司 | Blood storing tank special for disposable autoblood recovery device |
| CN108144142A (en) * | 2018-01-18 | 2018-06-12 | 董亚东 | A kind of centrifugal type blood composition separate cup and separation method |
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| Publication number | Publication date |
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| CN110448751A (en) | 2019-11-15 |
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