CN106334224B - A kind of external artificial heart's blood pump - Google Patents
A kind of external artificial heart's blood pump Download PDFInfo
- Publication number
- CN106334224B CN106334224B CN201610828493.7A CN201610828493A CN106334224B CN 106334224 B CN106334224 B CN 106334224B CN 201610828493 A CN201610828493 A CN 201610828493A CN 106334224 B CN106334224 B CN 106334224B
- Authority
- CN
- China
- Prior art keywords
- air bag
- control valve
- shell
- impeller
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/419—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/50—Details relating to control
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/82—Internal energy supply devices
- A61M2205/8206—Internal energy supply devices battery-operated
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/82—Internal energy supply devices
- A61M2205/8237—Charging means
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (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)
- Prostheses (AREA)
Abstract
The invention discloses a kind of external artificial heart's blood pumps, comprising: shell, impeller and driving device, the axial centre position of shell are equipped with inlet tube, and shell radial end face is equipped with the outlet tube with shell one；Impeller is equipped in shell；Impeller includes a back shroud and the 4-6 piece twisted blade in rear cover plate end face, and the working face of twisted blade is equipped with the air bag filled with gas；Air bag with a thickness of twisted blade thickness~Times, air bag all wraps up the inlet end head of twisted blade.Technical purpose of the invention is to provide a kind of destruction that can be substantially reduced during conveying blood to blood constituents such as haemocyte in blood and blood platelets, improves blood pump to the protective value of blood, can be improved external artificial heart's blood pump of rescue survival rate.
Description
Technical field
The present invention relates to field of medical devices, more particularly to external artificial heart's blood pump.
Background technique
Artificial blood pump is the pony pump for the speed change, varying capacity that replace heart working completely.Artificial blood pump can be used for robbing
Rescue critically ill patient vitals.The disease incidence of cardiovascular disease rises year by year, and to treatment cardiogenic shock, cardiac failure etc. is critical
Disease, artificial blood pump can substitute the function of human heart the long period, striven for a large amount of therapeutic time for treatment patient, mentioned
Height treatment success rate.
Artificial blood pump passes through permanent development, and usually used is the blood pump of vane type, this blood pump by impeller come pair
Blood pressurizes.But the blood pump of vane type, during wheel rotation, impeller can be to effective blood such as haemocyte, blood platelet
Ingredient is destroyed, and in order to improve the success rate of curing patient, should further decrease artificial blood pump to Blood damage rate.
Summary of the invention
In view of the above problems, technical purpose of the invention is that providing one kind can substantially reduce in conveying blood
During destruction to blood constituents such as haemocyte in blood and blood platelets, improve blood pump to the protective value of blood, can
Improve external artificial heart's blood pump of rescue survival rate.
The invention is realized by the following technical scheme:
A kind of external artificial heart's blood pump, comprising: the axial centre position of shell, impeller and driving device, shell is equipped with
Inlet tube, shell radial end face are equipped with the outlet tube with shell one；Impeller is equipped in shell；
Impeller includes a back shroud and the 4-6 piece twisted blade in rear cover plate end face, the working face of twisted blade
Equipped with the air bag filled with gas.
A kind of external artificial heart's blood pump, air bag with a thickness of twisted blade thickness~Times, air bag is by twisted blade
Inlet end head all wrap up.
A kind of external artificial heart's blood pump, driving device include rotor magnetic ring on the back shroud and on shell
Motor stator ring, motor stator ring is coplanar to be set to rotor magnetic ring periphery.
A kind of external artificial heart's blood pump, the side wall of the inner cavity of shell are equipped with uniformly distributed multiple first electromagnets, and first
Electromagnet quantity is at least 6, and the bottom surface of inner cavity is equipped with cricoid second electromagnet；On the external cylindrical surface of the back shroud of impeller with
First electromagnet is fitted with the first permanent magnet of annular, and the back shroud end face opposite with installation twisted blade is equipped with and second
The second permanent magnet of annular of electromagnet cooperation.
A kind of external artificial heart's blood pump, the back shroud of impeller is interior to be equipped with a caisson for having setting air pressure, setting
Air pressure is greater than required air pressure in air bag, and caisson is connect with the air bag being set on twisted blade respectively by pipeline, on pipeline
Equipped with the first control valve, micro-compressor is equipped between the first control valve and caisson；It is additionally provided in back shroud and the first control
The battery that valve and micro-compressor processed match, the outlet of micro-compressor are connect with caisson, and caisson also passes through branch
Road is connect with air bag, and branch road is equipped with the second control valve, and the second control valve is micro needle valve.
A kind of external artificial heart's blood pump, the electric storage device being equipped in back shroud are connected with Wireless charging coil, wireless charging
Coil is set to the back side of impeller, and the wireless charging device with Wireless charging coil pairing is fitted on shell.
A kind of external artificial heart's blood pump, the material of air bag are medical grade silicon rubber material or plastic material.
The pipeline of a kind of external artificial heart's blood pump, the first control valve and air bag is equipped with pressure sensor, pressure sensing
Device, the first control valve, the second control valve and micro-compressor are connect with MCU respectively；Be additionally provided in impeller connect with MCU it is wireless
Data transmission device.
A kind of control method of external artificial heart's blood pump, MCU control the first control valve and close, and the second control valve is opened,
Gas slowly in caisson is flowed into air bag, reaches default operating pressure when pressure sensor measures the pressure in air bag
When P1, MCU controls the second control valve and closes；If pressure sensor measures the air pressure in caisson less than P2, P2 is cannot
The pressure of normal work, MCU control the second control valve and open, and the gas slowly in caisson is flowed into air bag, work as pressure
When sensor measures the pressure in air bag and reaches default operating pressure P1, MCU controls the second control valve and closes；
When pressure sensor, which measures the pressure in air bag, is greater than default operating pressure P1, MCU controls the second control valve and closes
It closes, the first control valve and micro-compressor are opened, and the portion gas in air bag is transported in caisson, and MCU passes through wireless
Data transmission device is transmitted to the control device of impeller outer.
The beneficial effects of the present invention are:
1, by the way that the impeller blade of blood pump to be set as to the blade of distortion, this blade can be improved relative to common impeller
Efficiency, and inflated airbag is equipped on the blade of distortion, the air bag filled with gas can weaken collision of the impeller to blood,
So that the impact force that blood is born is smaller, to carry out effective protection to blood constituents such as haemocyte, the blood platelets of blood, improve
Blood pump greatly reduces destruction of the blood pump to blood to the protective value of blood, can be improved the external artificial of rescue survival rate
Heart pump；By the way that the thickness of air bag is set as twisted blade thickness~Times, the elasticity of air bag can either be kept thin to blood
The protection of born of the same parents can also guarantee the intensity of blade, and the inlet end head of twisted blade is all wrapped up, can be effectively reduced torsion
Impact of the head of bent blade pair to the blood of sucking.
2, the shaftless driving to impeller can be realized by rotor magnetic ring and motor stator ring, and passes through the first electromagnetism
Body, the second electromagnet, the first permanent magnet and the second permanent magnet magnetic force, enable to be balanced impeller of pump, avoid with outside
Shell contact, without the driving of bearing and axis, can further decrease the destruction to haemocyte.
It 3, can be convenient in control air bag by devices such as the caisson being equipped with and matched micro-compressors
Air pressure is controlled it by MCU processor, so that control is precisely, is swift in response, and the maximality of protection blood can be played
Energy；The wireless charging device being equipped with can provide battery the energy, convenient, quickly.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of the outer artificial heart blood pump of ontology；
Fig. 2 is the partial schematic diagram of impeller blade.
Marked in the figure: 1 being shell, 2 being inlet tube, 3 be impeller, 11 be caisson, 12 be the first electromagnet, 13 being
Two electromagnets, 14 be the first permanent magnet, 15 be the second permanent magnet, 16 be rotor magnetic ring, 17 be motor stator ring, 31 be rear cover
Plate, 32 be blade, 33 be air bag.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.
External artificial heart's blood pump as shown in Figures 1 and 2, comprising: shell 1, inlet tube 2, impeller 3, caisson 11,
First electromagnet 12, the second electromagnet 13, the first permanent magnet 14, the second permanent magnet 15, rotor magnetic ring 16, motor stator ring 17,
Back shroud 31, blade 32 and air bag 33, the axial centre position of shell 1 are equipped with inlet tube 2,1 radial end face of shell be equipped with it is outer
The outlet tube of 1 one of shell；Impeller 3 is equipped in shell 1；
Impeller 3 includes a back shroud 31 and the 4-6 piece twisted blade 32 on 31 end face of back shroud, twisted blade 32
Working face be equipped with the air bag 33 filled with gas.
0.2 times with a thickness of 32 thickness of twisted blade of air bag 33, air bag 33 is by the inlet end head of twisted blade 32
All package, the tail portion of air bag 33 wrap the head of twisted blade 32, bypass head, and smoothly connect with the back side of blade
It connects.
Driving device includes the rotor magnetic ring 16 on back shroud 31 and the motor stator ring 17 on shell 1, electricity
Machine stator ring 17 is coplanar to be set to 16 periphery of rotor magnetic ring.
The side wall of the inner cavity of shell 1 is equipped with uniformly distributed multiple first electromagnets 12, and 12 quantity of the first electromagnet is at least 6
It is a, it can be 8, when impeller 3 is in different states, control the magnetic force of each electromagnet and impeller, enable impeller steady
It is scheduled in shell 1, the bottom surface of inner cavity is equipped with cricoid second electromagnet 13；With on the external cylindrical surface of the back shroud 31 of impeller 3
One electromagnet 12 is fitted with the first permanent magnet 14 of annular, and the end face opposite with installation twisted blade 32 of back shroud 31 is equipped with
With the second permanent magnet of annular 15 of the second electromagnet 13 cooperation.
A caisson 11 for having setting air pressure is equipped in the back shroud 31 of impeller 3, setting air pressure is greater than in air bag 33
Required air pressure, caisson 11 are connect with the air bag 33 being set on twisted blade 32 respectively by pipeline, and pipeline is equipped with first
Control valve is equipped with micro-compressor between the first control valve and caisson 11；It is additionally provided in back shroud 31 and the first control valve
And the battery that micro-compressor matches, the outlet of micro-compressor are connect with caisson 11, caisson 11 also passes through branch
Road is connect with air bag 33, and branch road is equipped with the second control valve, and the second control valve is micro needle valve.
The electric storage device being equipped in back shroud 31 is connected with Wireless charging coil, and Wireless charging coil is set to the back side of impeller 3,
The wireless charging device with Wireless charging coil pairing is fitted on shell 1.
The material of air bag 33 be medical grade silicon rubber material or medical plastic, silicone rubber material it is with higher elasticity with it is durable
Property, silicone rubber material surface is equipped with heparin coating, reduces blood clotting.
The pipeline of first control valve and air bag 33 is equipped with pressure sensor, pressure sensor, the first control valve, the second control
Valve and micro-compressor processed are connect with MCU respectively；The wireless data transmission device connecting with MCU is additionally provided in impeller 3.
MCU controls the first control valve and closes, and the second control valve is opened, and the gas slowly in caisson 11 is flowed into air bag
In 33, when pressure sensor, which measures the pressure in air bag 33, reaches default operating pressure P1, MCU controls the second control valve and closes
It closes；If pressure sensor measures the air pressure in caisson 11 less than P2, P2 is the pressure of cisco unity malfunction, MCU control
Second control valve is opened, and the gas slowly in caisson 11 is flowed into air bag 33, when pressure sensor measures in air bag 33
Pressure when reaching default operating pressure P1, MCU controls the second control valve and closes；
When pressure sensor, which measures the pressure in air bag 33, is greater than default operating pressure P1, MCU controls the second control valve
It closes, the first control valve and micro-compressor are opened, and the portion gas in air bag 33 is transported in caisson 11, and MCU is logical
Cross the control device that wireless data transmission device is transmitted to outside impeller 3.
Claims (7)
1. a kind of external artificial heart's blood pump characterized by comprising shell (1), impeller (3) and driving device, shell (1)
Axial centre position be equipped with inlet tube (2), shell (1) radial end face is equipped with outlet tube with shell (1) one；Shell (1)
It is interior to be equipped with impeller (3)；Impeller (3) includes a back shroud (31) and the 4-6 piece twisted blade on back shroud (31) end face
(32), the working face of twisted blade (32) is equipped with the air bag (33) filled with gas；Air bag (33) with a thickness of twisted blade (32)
1/6 ~ 1/4 times of thickness, air bag (33) all wrap up the inlet end head of twisted blade (32)；Driving device includes setting
It is same in the rotor magnetic ring (16) on back shroud (31) and the motor stator ring (17) being set on shell (1), motor stator ring (17)
Plane is set to rotor magnetic ring (16) periphery.
2. external artificial heart's blood pump according to claim 1, which is characterized in that set on the side wall of the inner cavity of shell (1)
There are uniformly distributed multiple first electromagnets (12), the first electromagnet (12) quantity is at least 6, and the bottom surface of inner cavity is equipped with cricoid the
Two electromagnets (13)；Annular is fitted on the external cylindrical surface of the back shroud (31) of impeller (3) with the first electromagnet (12)
First permanent magnet (14), back shroud (31) end face opposite with installation twisted blade (32) is equipped with and the second electromagnet (13) cooperate
The second permanent magnet of annular (15).
3. external artificial heart's blood pump according to claim 2, which is characterized in that set in the back shroud (31) of impeller (3)
There is a caisson (11) for having setting air pressure, setting air pressure is greater than required air pressure in air bag (33), and caisson (11) is logical
Piping is connect with the air bag (33) being set on twisted blade (32) respectively, and pipeline is equipped with the first control valve, the first control valve
Micro-compressor is equipped between caisson (11)；It is additionally provided with and the first control valve and micro-compressor phase in back shroud (31)
The outlet of matched battery, micro-compressor is connect with caisson (11), and caisson (11) also passes through branch and air bag
(33) it connects, branch road is equipped with the second control valve, and the second control valve is micro needle valve.
4. external artificial heart's blood pump according to claim 3, which is characterized in that the storage being equipped in back shroud (31)
Device is connected with Wireless charging coil, and Wireless charging coil is set to the back side of impeller (3), be fitted on shell (1) with wirelessly
The wireless charging device of charge coil pairing.
5. external artificial heart's blood pump according to claim 3 or 4, which is characterized in that the material of air bag (33) is medical
Silicone rubber material or plastic material.
6. external artificial heart's blood pump according to claim 5, which is characterized in that the pipe of the first control valve and air bag (33)
Road is equipped with pressure sensor, and pressure sensor, the first control valve, the second control valve and micro-compressor are connect with MCU respectively；
The wireless data transmission device connecting with MCU is additionally provided in impeller (3).
7. external artificial heart's blood pump according to claim 6, which is characterized in that the controlling party of external artificial heart's blood pump
Method is that MCU controls the closing of the first control valve, and the second control valve is opened, and the gas slowly in caisson (11) is flowed into air bag
(33) in, when pressure sensor, which measures the pressure in air bag (33), reaches default operating pressure P1, MCU controls the second control valve
It closes；If pressure sensor measures the air pressure in caisson (11) less than P2, P2 is the pressure of cisco unity malfunction, MCU
The second control valve opening is controlled, the gas slowly in caisson (11) is flowed into air bag (33), when pressure sensor measures
When pressure in air bag (33) reaches default operating pressure P1, MCU controls the second control valve and closes；
When pressure sensor, which measures the pressure in air bag (33), is greater than default operating pressure P1, MCU controls the second control valve and closes
It closes, the first control valve and micro-compressor are opened, and the portion gas in air bag (33) are transported in caisson (11), MCU
The control device of impeller (3) outside is transmitted to by wireless data transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828493.7A CN106334224B (en) | 2016-09-19 | 2016-09-19 | A kind of external artificial heart's blood pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828493.7A CN106334224B (en) | 2016-09-19 | 2016-09-19 | A kind of external artificial heart's blood pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106334224A CN106334224A (en) | 2017-01-18 |
| CN106334224B true CN106334224B (en) | 2018-12-04 |
Family
ID=57840240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610828493.7A Active CN106334224B (en) | 2016-09-19 | 2016-09-19 | A kind of external artificial heart's blood pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106334224B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3066361A1 (en) | 2017-06-07 | 2018-12-13 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| DE102017122804A1 (en) * | 2017-09-29 | 2019-04-04 | Fresenius Medical Care Deutschland Gmbh | Medical pump drive, pump and blood treatment device |
| US11511103B2 (en) | 2017-11-13 | 2022-11-29 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| CN112004563B (en) | 2018-02-01 | 2024-08-06 | 施菲姆德控股有限责任公司 | Intravascular blood pump and methods of use and manufacture |
| WO2021011473A1 (en) | 2019-07-12 | 2021-01-21 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
| WO2021016372A1 (en) | 2019-07-22 | 2021-01-28 | Shifamed Holdings, Llc | Intravascular blood pumps with struts and methods of use and manufacture |
| US11724089B2 (en) | 2019-09-25 | 2023-08-15 | Shifamed Holdings, Llc | Intravascular blood pump systems and methods of use and control thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR9915314A (en) * | 1998-11-04 | 2002-01-29 | Cardio Tech Inc | Apparatus to help a heart pump blood, method to create it and its use |
| US6579223B2 (en) * | 2001-08-13 | 2003-06-17 | Arthur Palmer | Blood pump |
| CN100363632C (en) * | 2005-09-16 | 2008-01-23 | 清华大学 | Shaft less open impleller suitable for micro pump |
| CN105311692B (en) * | 2014-06-27 | 2019-05-28 | 王辉山 | A kind of New Blood circulator |
-
2016
- 2016-09-19 CN CN201610828493.7A patent/CN106334224B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106334224A (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106334224B (en) | A kind of external artificial heart's blood pump | |
| CN206414547U (en) | A kind of external artificial heart's blood pump | |
| US6949065B2 (en) | Left ventricular assist system | |
| Pagani | Continuous-flow rotary left ventricular assist devices with “3rd generation” design | |
| US7699586B2 (en) | Wide blade, axial flow pump | |
| CA2916350C (en) | Artificial ventricles | |
| US6752602B2 (en) | Blood pump | |
| CA2183666A1 (en) | Reciprocating pump arrangement | |
| ES2656148T3 (en) | Two stage rotodynamic blood pump | |
| WO1982003176A1 (en) | Megnetically suspended and rotated impellor pump apparatus and method | |
| CN205163763U (en) | Axial compressor blood vessel pump of no bearing of rotor magnetism liquid suspension | |
| WO2015021493A1 (en) | Heart assist system and/or device | |
| WO2013033783A1 (en) | Fluid transport apparatus | |
| CN102933176A (en) | Polymer valve and pulsatile catheter-type ventricular assist device using same | |
| WO2018132182A1 (en) | Ventricular assist device | |
| US20230040593A1 (en) | Extracorporeal circulation blood pump and method thereof | |
| CN106620912A (en) | Permanent magnet brushless direct current motor type artificial heart pump | |
| AU2017430315B2 (en) | Blood pump device | |
| CN107441573A (en) | A kind of axial-flow type magnetic suspension blood pump with pulsation speed governing feature | |
| US20240001102A1 (en) | Open electric pump | |
| WO2020119337A1 (en) | Ventricular assistance device | |
| CN207722158U (en) | A kind of blood pump | |
| CN103480053A (en) | Magnetism-driven blood pump system | |
| CN103007368A (en) | Tubular shaft type centrifugal oxygenation blood pump | |
| Qian et al. | World-first implantable aortic valvo-pump (IAVP) with sufficient haemodynamic capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200702 Address after: No. 409 Yanqi Industrial Development Zone, Huairou, Beijing Patentee after: Beijing meadows Medical Equipment Co., Ltd Address before: 610041, No. 1, 1, 1-1, 180 Ju Yue Road, Sichuan, Chengdu, Wuhou District Patentee before: CHENGDU CEDISEN BIOTECHNOLOGY Co.,Ltd. |