CN108904006A - Suction catheter - Google Patents
Suction catheter Download PDFInfo
- Publication number
- CN108904006A CN108904006A CN201810507509.3A CN201810507509A CN108904006A CN 108904006 A CN108904006 A CN 108904006A CN 201810507509 A CN201810507509 A CN 201810507509A CN 108904006 A CN108904006 A CN 108904006A
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- China
- Prior art keywords
- seal wire
- sacculus
- thrombus
- filling cavity
- wire filling
- 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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- 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
- 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
- A61B2017/22038—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 a guide wire
-
- 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
- A61B2017/22051—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 an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22065—Functions of balloons
- A61B2017/22067—Blocking; Occlusion
-
- 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
- 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
- A61B2017/22094—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 for crossing total occlusions, i.e. piercing
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of suction catheters, including catheter body and the sacculus for blocking blood flow after expansion being connected to except catheter body, the seal wire filling cavity for physiological saline and/or logical blood flow to be perfused, the suction chamber for passing through negative pressure absorbing thrombus are equipped in catheter body and for the balloon cavity to sacculus inflation/deflation, detachable interposing is equipped with seal wire in seal wire filling cavity, seal wire filling cavity connection sacculus two sides and seal wire filling cavity include for run through thrombus positioning section, positioning section, suction chamber pump orifice be set to sacculus the same side.For such suction catheter, sacculus block blood flow, suction chamber can provide negative pressure, seal wire filling cavity can form the cavity of connection sacculus two sides, blood flow and/or physiological saline are provided from seal wire filling cavity to thrombus distal end to improve the pressure of thrombus distal end, suction chamber can be cooperated to expand the pressure difference of thrombus two sides, thrombus is pushed into pump orifice, suction effect can be improved.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of suction catheter.
Background technique
Coronary atherosclerotic heart disease has become the number one killer for jeopardizing health of people and life.Coronary artery
Unstable atheromatous plaque ulceration causes Acute thrombosis to make coronary artery obliteration, and blood flow interrupts, corresponding confession
There is ischemic or necrosis in the cardiac muscle cell in blood region.The key for the treatment of acute coronary syndrome (ACS) patient is open-minded rapidly
Infarct-related artery restores cardiac muscle cell's blood supply, with reducing myocardial infarction area, reduces complication occurrence risk, improves
Prognosis recent and at a specified future date.
In the prior art, thrombus is sucked out usually using suction catheter.Suction catheter is sent to thrombi, from thrombus proximal end
Thrombus is extracted out by negative pressure, re-establishes hemodynamic.
However, in existing suction catheter, although when thrombus proximal end is not blocked and clogs or proximal end be blocked it is remote
When no blood flow being held to circulate, it will affect suction effect, increase operating time, also will increase the risk of operation.
Therefore, how to improve suction effect, be a technical problem that technical personnel in the field need to solve at present.
Summary of the invention
In view of this, suction effect can be improved the object of the present invention is to provide a kind of suction catheter.
To achieve the above object, the present invention provides the following technical solutions：
A kind of suction catheter, including catheter body and be connected to except the catheter body for blocking blood after expansion
The sacculus of stream is equipped with seal wire filling cavity for physiological saline and/or logical blood flow to be perfused in the catheter body, for by negative
Pressure absorbs the suction chamber of thrombus and for the balloon cavity to the sacculus inflation/deflation, and detachable interposing is equipped in the seal wire filling cavity
Seal wire, the seal wire filling cavity is connected to the two sides of the sacculus and the seal wire filling cavity includes the positioning for running through thrombus
Section, the positioning section, the suction chamber pump orifice be set to the sacculus the same side.
Preferably, the side wall of the seal wire filling cavity is equipped with the blood flow for being connected in the seal wire filling cavity and blood vessel
Side opening, the side opening, the positioning section are respectively arranged on the two sides of the sacculus.
It preferably, further include for providing the feeding mechanism of physiological saline, the feeding mechanism is removably connected to described
Seal wire filling cavity.
Preferably, the positioning section is set there are two indicating of developing, and two development indicatings are perfused along the seal wire
The extending direction of chamber is set gradually.
Preferably, the pump orifice is obliquely installed relative to the extending direction of the suction chamber.
Preferably, the catheter body is inserted in the middle part of the sacculus.
Preferably, the seal wire filling cavity and the balloon cavity are set to the outside of the suction chamber, and the positioning section stretches out
Except the pump orifice, and one of them described development indicating is set to the connection of the pump orifice and the seal wire filling cavity
Place, another described development indicating are arranged close to the port of the positioning section.
Suction catheter provided by the invention include catheter body and be connected to except catheter body for hindering after expansion
The sacculus of clinopodium polycephalum is equipped with seal wire filling cavity for physiological saline and/or logical blood flow to be perfused in catheter body, for by negative
Pressure absorbs the suction chamber of thrombus and for the balloon cavity to sacculus inflation/deflation, and detachable interposing is equipped with seal wire in seal wire filling cavity, leads
Silk filling cavity is connected to the two sides of sacculus and seal wire filling cavity includes the positioning section for running through thrombus, the pumping of positioning section, suction chamber
Suction inlet is set to the same side of sacculus.
When being applied to coronary artery, which is sent into thrombi along seal wire.Seal wire is plugged in seal wire filling
It infuses in chamber, positioning section is inserted into from thrombus proximal end to thrombus distal end, makes positioning section through thrombus, the pump orifice of suction chamber is located at blood
The proximal end of bolt, sacculus are located in suction chamber on the outer wall of pump orifice proximal end；Expand sacculus, ball to inflated by balloon cavity
Capsule can block the blood flow between vascular wall and catheter body；Starting suction unit is aspirated, formed in suction chamber negative pressure with
Thrombus is extracted into suction chamber, extracts seal wire, saline injection and/or blood into seal wire filling cavity, the liquid meeting of injection
The distal end of thrombus is flowed out to by the port of positioning section, at this point, can proximally rush thrombus from the liquid that seal wire filling cavity flows out
Brush.
For such suction catheter, suction chamber can provide negative pressure, and sacculus block blood flow guarantees that thrombus proximal end is blocked,
Concentrate on the suction force of suction chamber on thrombus, simultaneously as the detachable setting of seal wire, can make seal wire filling cavity shape
At the cavity of connection sacculus two sides, seal wire filling cavity can be used for providing physiological saline and/or blood to thrombus distal end to improve
The pressure of thrombus distal end can cooperate suction chamber to expand the pressure difference of thrombus two sides, thrombus is pushed into pump orifice, is avoided because of thrombus
Distal end influences suction effect without blood flow, increases suction success rate, can shorten operating time, reduce operation risk, and have
Conducive to reduction loss of blood；Meanwhile sacculus separates blood flow, guarantees that thrombus proximal end is blocked and clogs, it can be to avoid thrombus fragment from leading
Tube body is outer to flow to distant blockade small distal blood vessels with blood flow, prevents from taking bolt that broken thrombus is drawn to enter it with blood flow in the process
The histoorgan at its position.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of suction catheter provided by the present invention；
Fig. 2 is the working principle diagram of suction catheter in Fig. 1；
Fig. 3 is the structural schematic diagram of another specific embodiment of suction catheter provided by the present invention；
Fig. 4 is the working principle diagram of suction catheter in Fig. 3.
In Fig. 1 to Fig. 4,1- balloon cavity, 2- suction chamber, 3- seal wire filling cavity, 4- side opening, 5- sacculus, 6- development indicating, 7-
Physiological saline, 8- seal wire, 9- blood, 10- thrombus, 11- blood vessel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of suction catheter, can improve suction effect.
In a kind of specific embodiment of suction catheter provided by the present invention, referring to FIG. 1, including catheter body and being used for
The sacculus 5 of the blood flow in blood vessel 11 is blocked after expansion, sacculus 5 is connected to except catheter body.Seal wire is equipped in catheter body to fill
Infuse chamber 3, suction chamber 2 and balloon cavity 1.Suction chamber 2 is used to pass through negative pressure absorbing thrombus 10.Balloon cavity 1 is used for 5 charge and discharge of sacculus
Gas.Seal wire filling cavity can be used for seal wire and for physiological saline and/or logical blood flow to be perfused, and seal wire filling cavity 3 is connected to ball
Seal wire 8 is detachably equipped in the two sides of capsule and seal wire filling cavity 3, seal wire filling cavity 3 includes the positioning section for running through thrombus 10,
The same side of sacculus 5 is arranged in positioning section and the pump orifice of suction chamber 2.Wherein, the length of positioning section can be long according to thrombus 10
The actual needs such as degree are determined.
When being applied to coronary artery, referring to FIG. 2, the suction catheter is sent into 10 position of thrombus along seal wire 8.Seal wire
8 are plugged in seal wire filling cavity 3, and positioning section is distally inserted into from 10 proximal end of thrombus to thrombus 10, and positioning section is made to run through thrombus 10,
The port of positioning section is located at 10 distal end of thrombus, and the pump orifice of suction chamber 2 is located at the proximal end of thrombus 10, and sacculus 5 is located in suction chamber
Proximal end on the outer wall of pump orifice proximal end and positioned at thrombus 10；It inflates to balloon cavity 1 to expand sacculus 5, sacculus 5 can block blood vessel
Blood flow between wall and catheter body；Starting suction unit is aspirated in suction chamber 2, and negative pressure is formed in suction chamber 2 with to pumping
It inhales and extracts thrombus 10 in chamber 2, extract seal wire 8, the physiological saline 7 of the saline injection 7 into seal wire filling cavity 3, injection can lead to
The port for crossing positioning section flows out to the distal end of thrombus 10, at this point, the physiological saline flowed out from the positioning section port of seal wire filling cavity 3
7 can proximally wash away from the distal end of thrombus 10 by thrombus 10.
As it can be seen that suction chamber can provide negative pressure in the present embodiment, 5 block blood flow of sacculus can make the suction of suction chamber 2
Power concentrates on thrombus 10, simultaneously as the detachable setting of seal wire 8, can make seal wire filling cavity 3 form 5 liang of sacculus of connection
The cavity of side, seal wire filling cavity 3 can be used for distally providing physiological saline 7 to thrombus 10 to improve the pressure of 10 distal end of thrombus,
Suction chamber 2 can be cooperated to expand the pressure difference of 10 two sides of thrombus, thrombus 10 is pushed into pump orifice, avoids not having because of 10 distal end of thrombus
Blood flow and influence suction effect, increase suction success rate, operating time can be shortened, reduce operation risk, and advantageously reduce
Blood 9 is lost；Meanwhile sacculus 5 separates blood flow, can flow to distant blockade with blood flow outside catheter body to avoid 10 fragment of thrombus
Small distal blood vessels 11 prevent from taking the histoorgan for drawing broken thrombus 10 to flow into other positions with blood 9 during bolt.
Further, referring to FIG. 3, can be equipped on the side wall of seal wire filling cavity 3 for being connected to seal wire filling cavity 3 and blood
The side opening 4 of blood flow in pipe 11, side opening 4, positioning section are separately positioned on the two sides of sacculus 5.
Wherein, the number of locations of side opening 4 can be configured according to actual needs, be preferably arranged close to sacculus 5, so that
Balloon proximal blood flow can flow to thrombus distal end quickly through side opening.
In the present embodiment, referring to FIG. 4, the suction catheter is sent into thrombus 10 along seal wire 8 when being applied to coronary artery
Position, after the position of suction catheter determines, the port of positioning section is located at 10 distal end of thrombus, and the pump orifice of suction chamber 2 is located at thrombus
10 proximal end, wherein the blood 9 in blood vessel 11 flows to distal end by proximal end.After sacculus 5 expands partition blood flow, after proximally facing
After removing seal wire 8 to side opening, the blood 9 of 5 proximal end of sacculus can be flowed into seal wire filling cavity 3 by side opening 4, and in seal wire filling cavity 3
Blood 9 distal end can be flowed to by proximal end along its original flow direction, until flow to the distal end of thrombus 10 to increase by 10 distal end of thrombus
Pressure.
Based on any of the above embodiments, which can also include for providing the supply of physiological saline 7
Device, the feeding mechanism are removably connected to seal wire filling cavity 3, convenient for taking for physiological saline 7.
Based on any of the above embodiments, positioning section can set that there are two indicating 6 of developing, and this two development indicatings
6 set gradually along the extending direction of seal wire filling cavity 3.Developing indicating 6 specifically can be visual under the rays such as X-ray, specifically may be used
To use the metal material of X-ray transparent difference, such as：Gold, platinum, tantalum, tungsten etc., or doped with X-ray transparent difference material
High molecular material, such as：Doped with BaSO4、Bi2O3High molecular material, convenient for being determined in blood vessel 11 suction catheter
Position and travel condition.After positioning section is inserted in thrombus 10, determined between positioning section and thrombus 10 by two development indicatings 6
One development indicating 6 can be specifically located in 10 distal end of thrombus by positional relationship, and another development indicating 6 is located in thrombus
10 proximal ends.
Based on any of the above embodiments, pump orifice can be obliquely installed relative to the extending direction of suction chamber 2, i.e.,
The pump orifice is an angular cut, so as to expand the area of the pump orifice, is entered in pump orifice convenient for thrombus 10.
Based on any of the above embodiments, catheter body can specifically be inserted in the middle part of sacculus 5, that is, in sacculus 5
It is completely separated by sacculus 5 between the part and vascular wall of sacculus 5 in catheter body after expansion, guaranteeing partition effect
Meanwhile avoiding the direct contact squeeze blood vessel 11 of catheter body.
Based on any of the above embodiments, seal wire filling cavity 3 and balloon cavity 1 can be set in the outside of suction chamber 2,
Positioning section stretches out in except pump orifice, and the junction of pump orifice Yu seal wire filling cavity 3 is arranged in one of development indicating 6,
Another development indicating 6 is arranged close to the port of positioning section.During drawing thrombus 10, when positioning section runs through thrombus 10
Afterwards, since the junction of pump orifice Yu seal wire filling cavity 3 is arranged in an indicating 6 of developing, it is ensured that suction catheter is in blood vessel
After positioning in 11, the distance between thrombus 10 and pump orifice are relatively close, convenient for the sucking of thrombus 10.In addition, by seal wire filling cavity 3 with
The outside of suction chamber 2 is arranged in balloon cavity 1, is inserted in 2 inside of suction chamber or other phase interfix compared to by seal wire filling cavity 3
If mode, can reduce influence of each inside cavity fluid to other cavitys, and easy to process.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Suction catheter provided by the present invention is described in detail above.Specific case used herein is to this hair
Bright principle and embodiment is expounded, method of the invention that the above embodiments are only used to help understand and its
Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection of the claims in the present invention
In range.
Claims (7)
1. a kind of suction catheter, which is characterized in that including catheter body and be connected to except the catheter body for expanding
The sacculus (5) of rear blocking blood flow is opened, the seal wire for physiological saline and/or logical blood flow to be perfused is equipped in the catheter body and is perfused
Chamber (3) is used for by the suction chamber (2) of negative pressure absorbing thrombus (10) and for the balloon cavity to the sacculus (5) inflation/deflation
(1), detachable interposing is equipped with seal wire (8) in the seal wire filling cavity (3), and the seal wire filling cavity (3) is connected to the two of the sacculus
Side and the seal wire filling cavity (3) include for the positioning section through thrombus (10), the positioning section, the suction chamber (2)
Pump orifice is set to the same side of the sacculus (5).
2. suction catheter according to claim 1, which is characterized in that the side wall of the seal wire filling cavity (3), which is equipped with, to be used
In the side opening (4) for the blood flow being connected in the seal wire filling cavity (3) and blood vessel (11), the side opening (4), positioning section difference
Set on the two sides of the sacculus (5).
3. suction catheter according to claim 1, which is characterized in that further include for providing the supply of physiological saline (7)
Device, the feeding mechanism are removably connected to the seal wire filling cavity (3).
4. according to claim 1 to suction catheter described in 3 any one, which is characterized in that the positioning section sets that there are two aobvious
Shadow indicating (6), and two developments indicating (6) set gradually along the extending direction of the seal wire filling cavity (3).
5. suction catheter according to claim 4, which is characterized in that the pump orifice is relative to the suction chamber (2)
Extending direction is obliquely installed.
6. suction catheter according to claim 4, which is characterized in that the catheter body is inserted in the sacculus (5)
Middle part.
7. suction catheter according to claim 4, which is characterized in that the seal wire filling cavity (3) and the balloon cavity (1)
Set on the outside of the suction chamber (2), the positioning section is stretched out in except the pump orifice, and one of them described development indicating
(6) it is set to the junction of the pump orifice and the seal wire filling cavity (3), another described development indicating (6) is close to described fixed
The port setting of position section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507509.3A CN108904006B (en) | 2018-05-24 | 2018-05-24 | Suction catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507509.3A CN108904006B (en) | 2018-05-24 | 2018-05-24 | Suction catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108904006A true CN108904006A (en) | 2018-11-30 |
| CN108904006B CN108904006B (en) | 2021-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810507509.3A Active CN108904006B (en) | 2018-05-24 | 2018-05-24 | Suction catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108904006B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112690871A (en) * | 2020-12-22 | 2021-04-23 | 温州市人民医院 | Ureter negative pressure stone removal soft lens sheath |
| CN113456172A (en) * | 2021-07-14 | 2021-10-01 | 福建医科大学附属第一医院 | Inflatable near-end embolectomy catheter |
| CN114246637A (en) * | 2020-11-05 | 2022-03-29 | 玮铭医疗器械(上海)有限公司 | Intracranial thrombus suction catheter device |
| CN114469257A (en) * | 2022-04-02 | 2022-05-13 | 北京华脉泰科医疗器械股份有限公司 | Thrombus removing device |
| WO2023240937A1 (en) * | 2022-06-14 | 2023-12-21 | 上海腾复医疗科技有限公司 | Multifunctional thrombus removal apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114246637A (en) * | 2020-11-05 | 2022-03-29 | 玮铭医疗器械(上海)有限公司 | Intracranial thrombus suction catheter device |
| CN112690871A (en) * | 2020-12-22 | 2021-04-23 | 温州市人民医院 | Ureter negative pressure stone removal soft lens sheath |
| CN112690871B (en) * | 2020-12-22 | 2022-05-06 | 温州市人民医院 | Ureter negative pressure stone removal soft lens sheath |
| CN113456172A (en) * | 2021-07-14 | 2021-10-01 | 福建医科大学附属第一医院 | Inflatable near-end embolectomy catheter |
| CN114469257A (en) * | 2022-04-02 | 2022-05-13 | 北京华脉泰科医疗器械股份有限公司 | Thrombus removing device |
| CN114469257B (en) * | 2022-04-02 | 2022-07-01 | 北京华脉泰科医疗器械股份有限公司 | Thrombus removing device |
| WO2023240937A1 (en) * | 2022-06-14 | 2023-12-21 | 上海腾复医疗科技有限公司 | Multifunctional thrombus removal apparatus |
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| CN108904006B (en) | 2021-08-20 |
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