CN107252339A - Intravascular Thrombus suction system - Google Patents
Intravascular Thrombus suction system Download PDFInfo
- Publication number
- CN107252339A CN107252339A CN201610230786.5A CN201610230786A CN107252339A CN 107252339 A CN107252339 A CN 107252339A CN 201610230786 A CN201610230786 A CN 201610230786A CN 107252339 A CN107252339 A CN 107252339A
- Authority
- CN
- China
- Prior art keywords
- drive module
- blood
- drive
- intravascular thrombus
- motor
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- 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
-
- 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
- A61M25/00—Catheters; Hollow probes
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00778—Operations on blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
-
- 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
- A61M2205/75—General characteristics of the apparatus with filters
Abstract
The invention discloses a kind of Intravascular Thrombus suction system, suction catheter and drive module including human body can be percutaneously implantable, the suction catheter is included into blood mouthful, channel of blood flow and blood outlet, filter screen is provided with the channel of blood flow of the suction catheter, impeller is provided between the filter screen and blood outlet or at blood outlet;The impeller is connected with the drive module.The Intravascular Thrombus suction system that the present invention is provided, using the Smoking regime of negative pressure, takes bolt safer without blocking blood flow, is not concerned about thrombus and fractures and flakes off.Relative to existing suction catheter technology, during the suction catheter provided using the present invention, patient blood is returned to blood circulation after screen pack and without losing blood, thrombus is also removed in the lump when conduit withdraws from external.
Description
Technical field
The invention belongs to medical instruments field, more particularly to a kind of Intravascular Thrombus suction system.
Background technology
Thrombosis (thrombosis) refers to that under certain condition, blood formed element forms embolus in the blood vessels,
Cause vasculature part or completely plugged, the pathologic process of corresponding site blood supply obstacle.Can according to thrombus constituent
It is divided into platelet thrombus, red blood cell thrombus, fibrinous thrombus, mixed thrombus etc..It can be divided into by blood vessel species dynamic
Arteries and veins thrombus, veins thrombus and capillary thrombus.
Thromboembolism (thromboembolism) is that thrombus is come off by forming part, during being moved with blood flow
Some blood vessels are partly or entirely blocked, cause respective organization and (or) organ ischemia, anoxic, necrosis (arterial blood
Bolt) and extravasated blood, the pathologic process of oedema (phlebothrombosis).
The life of the mankind is seriously threatened as the thrombotic diseases caused by two kinds of pathologic processes of thrombosis and thromboembolism
Health, its incidence of disease is in first of various diseases, and brought due to internet work, in life activity reduce,
Thrombotic diseases also have cumulative gesture in recent years, are one of emphasis and focus of contemporary medical science research.
The cause of disease of thrombotic diseases mainly includes:Age factor, movable reduction, vascular inflammation etc..Pulmonary embolism (PE)
Also known as pulmonary thromboembolism, is due to endogenous or exogenous embolus blocking main pulmonary artery or branch, causes lung to follow
The clinical manifestation of ring obstacle and pathologic, physiologic syndrome.As empsyxis or bad the dead further occur on this basis,
It is referred to as pulmonary infarction.Autopsy data shows that the PE generation age is more at 50~65 years old, and child morbidity rate is about 3%.
And more than 60 years old reachable 20%.90% lethal PE occurred more than 50 years old.In its depth of the person of women 20~39 years old
The incidence male more of the same age of phlebothrombosis is high 10 times, therefore PE incidence increases relatively.In addition because fracture of lower limb,
The reasons such as paralysis, severe heart and lung diseases, operation, cause long-term unsuitable bed, or Healthy People usually live by limbs
It is dynamic to reduce, the driving force of venous blood flow is reduced, stasis of blood stream, Deep vain thrombosis is also resulted in.
The essential therapeutic arsenals of current thrombotic diseases include:The drug therapies such as anti-freezing, anti-bolt, thrombolysis, operation is controlled
Treatment and PCI etc..It is not good and Doppler flow mapping forms bad person through medical treatment effect to old thrombus, can
Consider operative treatment, that is, removal of thromboses or the excision vascular embolization section of performing the operation simultaneously are coincide again.PCI passes through conduit
Local thrombolysis, bolt is taken by conduit negative-pressure ward thrombus and by the appliance mechanisms formula such as sacculus, support.
After thrombosis, easily come off and with blood flow, some blood vessels partly or entirely blocked in mobile process,
Cause respective organization and (or) organ ischemia, anoxic, necrosis etc..The order of severity and embolism of thromboembolism influence
Position and embolism time it is relevant.
The drug therapies such as anti-freezing, anti-bolt, thrombolysis are, it is necessary to which to whole blood circulation system medication, dosage is big, sees
Effect is slow, easily causes the complication such as organ internal organs bleeding.
Thrombolytic drug is injected to local PCI by conduit at present, dose can be reduced, is reduced to whole blood
The influence of the circulatory system, but still the problem of there is slowly effect.
Thrombus especially fresh thrombus as jelly, without mechanical strength, is easily broken in vivo in vivo.Pass through ball
Capsule takes bolt, it is necessary to block Distal blood flow, in order to take bolt to try one's best completely, takes bolt sacculus to need adherent, holds in movement
Easy scratch blood vessel, takes bolt to be easily caused thrombus rupture and takes bolt incomplete by support.
Conduit negative-pressure ward thrombus includes suction manually and Bernoulli effect by Biochemical analyzer to external at present.Take out manually
Suction is unstable and suction force is small, almost without clinical efficacy.Aspirated using Bernoulli effect, its course of work is to drive
Dynamic pump produces pulse by physiological saline is through conduit injection and thrombus is washed away in hole contra-injection from conductor housing side, height
Fast physiological saline produces local depression area simultaneously, the embolic particles of fragmentation is suctioned out by conduit tap.This method
Be disadvantageous in that by Biochemical analyzer to it is external while, blood is also pumped in vitro together, causes blood volume in patients
Reduce.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of Intravascular Thrombus suction system, suffer to thrombotic diseases
Person provide it is a kind of percutaneously use, quick, effectively to remove thrombus equipment, system is while thrombus is removed, no
Blood volume is reduced, with higher validity and security, and without surgical operation.
The present invention is to provide a kind of Intravascular Thrombus suction system to solve the technical scheme that above-mentioned technical problem is used
System, including the suction catheter and drive module of human body can be percutaneously implantable, the suction catheter is included into blood mouthful, blood flow
Filter screen is provided with passage and blood outlet, the channel of blood flow of the suction catheter, between the filter screen and blood outlet or
Impeller is provided with blood outlet;The impeller is connected with the drive module.
Further, the drive module is located at is provided separately with the suction catheter in vitro, the drive module
Distal end be connected by flexible transmission structure with the suction catheter, the drive module proximally by signal wire and control
Molding block is connected.
Further, the flexible transmission structure includes driving seal wire and provides drive cavity for the driving seal wire
Conduit is driven, the driving seal wire is connected by bridging structure with the impeller.
Further, the length range of the flexible transmission structure is 80cm~200cm, and the driving seal wire is spiral
Winding pipe or steel strand wires.
Further, the drive module includes support housing, drive motor and bridging structure, the drive module
The distal end of bridging structure connects the driving seal wire in the flexible transmission structure, the drive module bridging structure it is near
The rotating shaft of the end connection drive motor.
Further, the drive motor is that cooling structure, survey are additionally provided with air motor, the support housing
Fast structure, exhaust structure and denoising structure, the control module control gas to the drive module output control signal
The output pressure in source is controlled to steamer rotating speed, while speed-measuring structure feedback steamer actual speed is used to be formed
Closed-loop control.
Further, the drive motor is to be additionally provided with cooling structure in electro-motor, the support housing, institute
State control module and provide drive signal electromechanical source to the drive module, the drive module feeds back the operation shape of motor
State.
Further, the drive module is the control module being connected with the drive module positioned at internal motor
Positioned at external.
Further, the control module includes the system software that controller main body, electrical system and controller are carried,
And with human-computer interaction interface;The controller main body is connected with the drive module by signal wire, the control
Device main body transmits and receives the operational factor of the drive module inner motor;The system software is used to set system to transport
Row parameter, control system operation, the running status for monitoring the suction catheter in real time.
Further, the mesh area scope of the filter screen is 0.1mm2-16mm2。
Present invention contrast prior art has following beneficial effect:The Intravascular Thrombus suction system that the present invention is provided,
The drive device of driving impeller rotation can be located at inner or in vitro.Impeller is revolved at a high speed when drive device rotates at a high speed
Turn, form negative pressuren zone entering blood mouthful, the blood containing thrombus is sucked into suction catheter, during through screen pack, blood can
To pass through, but it can not then pass through more than the thrombus of sieve meshes, so as to which thrombus and blood are separated, blood
Blood vessel is returned to by blood outlet.Bolt mode is taken relative to balloon-stent etc., the Intravascular Thrombus suction that the present invention is provided
System, using the Smoking regime of negative pressure, takes bolt safer without blocking blood flow, is not concerned about thrombus and fractures and flakes off.
Relative to existing suction catheter technology, during the Intravascular Thrombus suction system provided using the present invention, patient blood
Blood circulation is returned to after screen pack and without losing blood, thrombus is also removed in the lump when conduit withdraws from external.
Brief description of the drawings
Fig. 1 is the structural representation of Intravascular Thrombus suction system of the present invention;
Fig. 2 is the operating diagram of Intravascular Thrombus suction system of the present invention.
In figure:
The impeller of 1 suction catheter, 2 filter screen 3
11 enter the blood mouthful channel of blood flow of 12 blood outlet 13
The thrombus of 45 blood vessel of transmission conduit 6
7 blood
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of Intravascular Thrombus suction system of the present invention.
Refer to Fig. 1, the Intravascular Thrombus suction system that the present invention is provided, including the suction of human body can be percutaneously implantable lead
Pipe 1 and drive module (not shown), suction catheter 1 are included into blood mouthful 11, channel of blood flow 13 and blood outlet 12,
Filter screen 2 is provided with the channel of blood flow 13 of suction catheter 1, between filter screen 2 and blood outlet 12 or at blood outlet 12
It is provided with rotatable impeller 3;Impeller 3 is connected with the drive module.It is preferred that the mesh area model of filter screen 2
Enclose for 0.1mm2-16mm2。
In the Intravascular Thrombus suction system that the present invention is provided, the drive module can be positioned at internal motor, leaf
Wheel 3 is driven by internal motor, and control module can be located at external.In the present embodiment, it is preferred that the driving
Module is located to be provided separately with suction catheter 1 in vitro, below using drive module setting structure in vitro as specific
Embodiment is described in detail.
The Intravascular Thrombus suction system that the present embodiment is provided, the distal end of the drive module passes through flexible transmission structure
It is connected with suction catheter 1, the drive module is connected proximally by signal wire with control module.The flexible biography
Dynamic structure includes driving seal wire and the transmission conduit 4 of drive cavity is provided for the driving seal wire, and the driving seal wire leads to
Bridging structure is crossed with impeller 3 to be connected.Preferably, the length range of the flexible transmission structure is 80cm~200cm,
The driving seal wire is spiral winding pipe or steel strand wires.The drive module includes support housing, drive motor and bridge
Binding structure, the distal end of the drive module bridging structure connects the driving seal wire in the flexible transmission structure, described
The near-end of drive module bridging structure connects the rotating shaft of the drive motor.
In the present embodiment, the drive motor can be air motor or electro-motor, and the drive motor is pneumatic
During motor, cooling structure, speed-measuring structure, exhaust structure and denoising structure, institute are additionally provided with the support housing
State control module controls the output pressure of source of the gas to control steamer rotating speed to the drive module output control signal
System, while speed-measuring structure feedback steamer actual speed is used to form closed-loop control.The drive motor is electronic
During motor, cooling structure is additionally provided with the support housing, the control module provides drive to the drive module
Dynamic signal electromechanical source, the drive module feeds back the running status of motor.
The control module includes the system software that controller main body, electrical system and controller are carried, and with people
Machine interactive interface;The controller main body is connected with the drive module by signal wire, and the controller main body is passed
Send and receive the operational factor of the drive module inner motor;The system software be used for set system operational parameters,
Control system operation, the running status for monitoring the suction catheter in real time.
When beginning to use, control parameter is inputted to controller by man-machine interface and operational factor is converted to by controller;
Controller sends drive signal by signal wire to drive module during operation, and control drive module inner motor is according to set
Operational factor is run;Driving torque is transferred to the impeller in suction catheter 1 by flexible transmission structure by drive module
3, impeller 3 is rotated, and blood and thrombus 6 are together sucked from entering blood mouthful 11, during through screen pack 2, blood normal energy
By flowing out into blood circulation system from blood outlet 12, thrombus 6 is stayed on filter screen 2.Suction catheter 1 is removed
When external, thrombus 6 follows suction catheter 1 to remove together in vitro.
To sum up, the drive device of driving impeller rotation can be located at inner or in vitro.The percutaneous access of suction catheter 1 has thrombus
Artery or vein.Impeller 3 is rotated at a high speed when drive device rotates at a high speed, and negative pressuren zone is formed entering blood mouthful 11,
Blood containing thrombus 6 is sucked into suction catheter 1, during through screen pack 2, blood 7 can pass through, but more than filter screen
The thrombus 6 of 2 mesh can not then pass through, and so as to which thrombus 6 and blood 7 are separated, blood 7 passes through blood outlet
12 return to blood vessel 5.Take bolt mode relative to balloon-stent etc., the Intravascular Thrombus suction system that the present invention is provided without
Blocking blood flow is needed, using the Smoking regime of negative pressure, takes bolt safer, is not concerned about fracturing and flaking off.Relative to existing
Suction catheter technology, using the present invention provide Intravascular Thrombus suction system when, patient blood is through screen pack 2
After be returned to blood circulation and without losing blood, thrombus is also removed in the lump when suction catheter 1 withdraws from external.
Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, any this area
Technical staff, without departing from the spirit and scope of the present invention, when a little modification can be made and perfect, therefore this hair
Bright protection domain is when by being defined that claims are defined.
Claims (10)
1. a kind of Intravascular Thrombus suction system, it is characterised in that the suction catheter including human body can be percutaneously implantable
And drive module, the suction catheter includes into blood mouthful, channel of blood flow and blood outlet, the blood flow of the suction catheter
Filter screen is provided with passage, impeller is provided between the filter screen and blood outlet or at blood outlet;The impeller and institute
Drive module is stated to be connected.
2. Intravascular Thrombus suction system as claimed in claim 1, it is characterised in that the drive module position
It is provided separately in external with the suction catheter, the distal end of the drive module is taken out by flexible transmission structure with described
Inhale conduit to be connected, the drive module is connected proximally by signal wire with control module.
3. Intravascular Thrombus suction system as claimed in claim 2, it is characterised in that the Flexible Transmission knot
Structure includes driving seal wire and the transmission conduit of drive cavity is provided for the driving seal wire, and the driving seal wire passes through bridge
Binding structure is connected with the impeller.
4. Intravascular Thrombus suction system as claimed in claim 3, it is characterised in that the Flexible Transmission knot
The length range of structure is 80cm~200cm, and the driving seal wire is spiral winding pipe or steel strand wires.
5. Intravascular Thrombus suction system as claimed in claim 2, it is characterised in that the drive module bag
Include support housing, drive motor and bridging structure, the distal end connection flexible biography of the drive module bridging structure
Driving seal wire in dynamic structure, the near-end of the drive module bridging structure connects the rotating shaft of the drive motor.
6. Intravascular Thrombus suction system as claimed in claim 5, it is characterised in that the drive motor is
Cooling structure, speed-measuring structure, exhaust structure and denoising structure are additionally provided with air motor, the support housing,
The control module controls the output pressure of source of the gas to control steamer rotating speed to the drive module output control signal
System, while speed-measuring structure feedback steamer actual speed is used to form closed-loop control.
7. Intravascular Thrombus suction system as claimed in claim 5, it is characterised in that the drive motor is
Cooling structure is additionally provided with electro-motor, the support housing, the control module is provided to the drive module
Drive signal electromechanical source, the drive module feeds back the running status of motor.
8. Intravascular Thrombus suction system as claimed in claim 1, it is characterised in that the drive module is
Positioned at internal motor, the control module being connected with the drive module is located at external.
9. the Intravascular Thrombus suction system as described in claim 2 or 8, it is characterised in that the control mould
Block includes the system software that controller main body, electrical system and controller are carried, and with human-computer interaction interface;Institute
State controller main body with the drive module by signal wire to be connected, the controller main body transmits and receives the drive
The operational factor of dynamic model block inner motor;The system software be used for set system operational parameters, control system operation,
The running status of the suction catheter is monitored in real time.
10. Intravascular Thrombus suction system as claimed in claim 1, it is characterised in that the mesh of the filter screen
Areal extent is 0.1mm2-16mm2。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610230786.5A CN107252339B (en) | 2016-04-14 | 2016-04-14 | Intravascular Thrombus suction system |
Applications Claiming Priority (1)
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CN201610230786.5A CN107252339B (en) | 2016-04-14 | 2016-04-14 | Intravascular Thrombus suction system |
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CN107252339A true CN107252339A (en) | 2017-10-17 |
CN107252339B CN107252339B (en) | 2019-11-08 |
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CN201610230786.5A Active CN107252339B (en) | 2016-04-14 | 2016-04-14 | Intravascular Thrombus suction system |
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Cited By (9)
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US10722631B2 (en) | 2018-02-01 | 2020-07-28 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
CN111685852A (en) * | 2020-07-21 | 2020-09-22 | 河南省中医院(河南中医药大学第二附属医院) | Special pincers of neonate's umbilical cord edema of obstetrical department |
CN113262016A (en) * | 2021-06-03 | 2021-08-17 | 皖南医学院第一附属医院(皖南医学院弋矶山医院) | A multi-functional calculus fragmentation ablation device for urological department |
US11185677B2 (en) | 2017-06-07 | 2021-11-30 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
US11511103B2 (en) | 2017-11-13 | 2022-11-29 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
CN115414580A (en) * | 2022-11-07 | 2022-12-02 | 心凯诺医疗科技(上海)有限公司 | Thrombus aspiration catheter |
US11654275B2 (en) | 2019-07-22 | 2023-05-23 | 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 |
US11964145B2 (en) | 2019-07-12 | 2024-04-23 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
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US11185677B2 (en) | 2017-06-07 | 2021-11-30 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
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US11654275B2 (en) | 2019-07-22 | 2023-05-23 | Shifamed Holdings, Llc | Intravascular blood pumps with struts and methods of use and manufacture |
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CN111685852A (en) * | 2020-07-21 | 2020-09-22 | 河南省中医院(河南中医药大学第二附属医院) | Special pincers of neonate's umbilical cord edema of obstetrical department |
CN111685852B (en) * | 2020-07-21 | 2021-04-27 | 河南省中医院(河南中医药大学第二附属医院) | Special pincers of neonate's umbilical cord edema of obstetrical department |
CN113262016B (en) * | 2021-06-03 | 2022-04-08 | 皖南医学院第一附属医院(皖南医学院弋矶山医院) | Calculus smashing and melting device for urology department |
CN113262016A (en) * | 2021-06-03 | 2021-08-17 | 皖南医学院第一附属医院(皖南医学院弋矶山医院) | A multi-functional calculus fragmentation ablation device for urological department |
CN115414580B (en) * | 2022-11-07 | 2023-02-07 | 心凯诺医疗科技(上海)有限公司 | Thrombus aspiration catheter |
CN115414580A (en) * | 2022-11-07 | 2022-12-02 | 心凯诺医疗科技(上海)有限公司 | Thrombus aspiration catheter |
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