CN214595955U - Thrombus thrombolysis and suction device - Google Patents
Thrombus thrombolysis and suction device Download PDFInfo
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- CN214595955U CN214595955U CN202022794789.6U CN202022794789U CN214595955U CN 214595955 U CN214595955 U CN 214595955U CN 202022794789 U CN202022794789 U CN 202022794789U CN 214595955 U CN214595955 U CN 214595955U
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- catheter
- thrombolysis
- thrombolytic
- suction
- thrombus
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Abstract
The utility model discloses a thrombus thrombolysis and suction device, include: a suction catheter, a thrombolytic catheter disposed within the suction catheter; the utility model realizes the flushing and suction of the stubborn thrombus through the matching of the suction catheter and the thrombolysis catheter, and improves the thrombus removal effect; the utility model discloses a set up first sacculus on the suction catheter, set up the second sacculus on the thrombolysis of thrombolysis catheter washes the chamber, through aerifing stifled blood vessel, realize preventing that the thrombus or tiny thrombus that drop from avoiding the secondary to block up the vascular jam of distal end, improving device's safety in utilization.
Description
Technical Field
The utility model relates to a medical equipment, especially a thrombus thrombolysis and suction device.
Background
Stroke (Stroke) is the name of Stroke, a disorder of cerebral blood circulation that is a sudden onset of disease, also known as cerebrovascular accident. Stroke is mainly caused by stenosis, occlusion or rupture of the cerebral vessels and is classified into ischemic stroke (e.g., cerebral infarction, transient ischemic attack) and hemorrhagic stroke (e.g., cerebral hemorrhage and subarachnoid hemorrhage).
At present, thrombolytic therapy is still the mainstream treatment mode for ischemic stroke, and has certain limitations, mainly embodied in short treatment time window and low revascularization rate.
The treatment mode of mechanical thrombectomy has apparent advantage in the treatment effect, and the mechanical thrombectomy mode commonly used at present directly carries out the negative pressure suction for the suction catheter, with thrombus suction play blood vessel to rebuild the blood flow, nevertheless lie in serious stenosis pathological change portion distal end or the stubborn adherence of thrombus on the vascular wall when the thrombus, simple negative pressure suction embolus effect is very limited, can increase the operation risk moreover.
In addition, the thrombus is sucked by only sucking the catheter, and because of the pressure caused by suction, the remained thrombus after suction is likely to be crushed, becomes smaller thrombus and runs to the far end of the blood vessel to cause secondary blockage; market needs one kind can wash and aspirate stubborn thrombus, improves the thrombus and clears away the effect to can prevent the device of secondary jam, the utility model provides a such problem.
SUMMERY OF THE UTILITY MODEL
For solving prior art's not enough, the utility model aims to provide a thrombus thrombolysis and suction device can wash and aspirate stubborn thrombus, improves the thrombus and clears away the effect, and can prevent to drop thrombus or tiny thrombus to the vascular jam of distal end, avoids the secondary to block up, improves the safety in utilization of device.
In order to achieve the above object, the utility model adopts the following technical scheme:
a thrombolytic and aspiration device comprising: a suction catheter, a thrombolytic catheter disposed within the suction catheter; the suction catheter comprises: the suction catheter comprises a suction catheter body, a thrombolytic catheter cavity, a suction catheter joint, a first developing piece and a first sealing assembly, wherein the thrombolytic catheter cavity is arranged in the suction catheter body and used for accommodating a thrombolytic catheter; the thrombolysis catheter includes: the thrombolysis catheter body, set up the thrombolysis in the thrombolysis catheter body and wash the chamber, connect in the thrombolysis and wash the chamber and be used for injecting the injection mouth of thrombolysis medicine, set up in the thrombolysis and wash the second development piece of chamber one end for the second seal assembly of shutoff blood vessel sets up in the thrombolysis that washes the chamber other end and connects.
In an embodiment of the present invention, the first sealing assembly includes: the first balloon is arranged at one end of the suction catheter body and used for blocking a blood vessel, and the first inflation cavity is connected with the first balloon and arranged in the suction catheter body.
In the thrombus thrombolysis and aspiration device, the aspiration catheter connector comprises: a thrombolytic catheter insertion opening connected to the thrombolytic catheter, a suction connector, a first balloon inflation connector connected to the first inflation lumen.
In an embodiment of the present invention, the second sealing assembly includes: a second sacculus arranged at one end of the thrombolysis flushing cavity and used for blocking blood vessels, and a second inflation cavity connected with the second sacculus and arranged in the thrombolysis catheter body.
In the thrombus thrombolysis and suction device, the thrombolysis catheter connector comprises: a second balloon inflation connector connected to the second inflation cavity, and a thrombolytic injection connector.
In the thrombus thrombolysis and suction device, the first developing member is a first developing ring, and the second developing member is a second developing ring.
In the thrombus thrombolysis and suction device, the thrombolysis flushing cavity is provided with scale marks at a position close to the joint of the thrombolysis catheter.
The utility model discloses an useful part lies in:
the utility model has the advantages that the thrombolytic irrigation to the stubborn thrombus is realized, and compared with a device which only sucks thrombus, the suction effect to the stubborn thrombus is further increased, so that the application range of the suction catheter is enlarged, and the thrombus can be removed more thoroughly;
the utility model is provided with an injection port for injecting thrombolytic drugs, which helps the thrombolysis and can further assist the washing;
the utility model discloses a set up first sacculus, second sacculus, can realize to vascular shutoff when the thrombolysis is inhaled the bolt, prevent that the thrombus or tiny thrombus that drop from to the vascular jam of distal end, avoid the secondary to block up, improve safety in utilization.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic XY cross-sectional view of one embodiment of the thrombolytic catheter of the present invention;
fig. 3 is a schematic cross-sectional view in the Z-direction of an embodiment of the thrombolytic catheter of the present invention;
figure 4 is a schematic XY cross-sectional view of one embodiment of the suction catheter of the present invention;
figure 5 is a schematic cross-sectional Z-direction view of an embodiment of the suction catheter of the present invention;
fig. 6 is a schematic use diagram of an embodiment of the present invention;
FIG. 7 is a schematic view of the operation of an embodiment of the present invention;
the meaning of the reference symbols in the figures:
1, 10, 11, a thrombolysis flushing cavity, 12, a second balloon, 13, a second developing ring, 14 injection ports, 15 scale marks, 16, 17 and 18 second inflation cavities;
2, a suction catheter, 20, a suction catheter body, 21, a thrombolytic catheter cavity, 22, a first developing ring, 23, a suction cavity, 24, a first balloon, 25, a first inflation cavity, 26, a thrombolytic catheter insertion port, 27, a suction connector and 28, a first balloon inflation connector;
30 thrombus.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a thrombolysis and aspiration device for a thrombus 30 includes: a suction catheter 2, a thrombolysis catheter disposed in the suction catheter 2.
As shown in fig. 4 and 5, the suction catheter 2 includes: the suction catheter comprises a suction catheter body 20, a thrombolytic catheter cavity 21 which is arranged in the suction catheter body 20 and is used for accommodating the thrombolytic catheter, a suction cavity 23 which is arranged in the suction catheter body 20 and is positioned below the thrombolytic catheter cavity 21, a suction catheter joint which is arranged at one end of the suction catheter body 20, a first developing piece which is arranged at the other end of the suction catheter body 20, and a first sealing component which is used for sealing a blood vessel.
The first seal assembly includes: a first balloon 24 arranged at one end of the suction catheter body 20 and used for sealing blood vessels, and a first inflation cavity 25 connected to the first balloon 24 and arranged in the suction catheter body 20.
The suction catheter adapter comprises: a thrombolytic catheter insertion port 26 connected to the thrombolytic catheter, a suction fitting 27, and a first balloon inflation fitting 28 connected to the first inflation lumen 25. The first balloon inflation connector 28 is connected with the first inflation cavity 25, the first inflation cavity 25 is connected with the first balloon 24, when blood flow at the near end of the blood vessel needs to be blocked, the first balloon 24 is inflated, the blood vessel is sealed and blocked, and the tiny thrombus 30 is prevented from falling off to block other blood vessels.
As shown in fig. 2 and 3, the thrombolytic catheter is disposed in the thrombolytic catheter lumen 21, and includes: the thrombolytic catheter comprises a thrombolytic catheter body 10, a thrombolytic flushing cavity 11 arranged in the thrombolytic catheter body 10, an injection port 14 connected to the thrombolytic flushing cavity 11 and used for injecting thrombolytic drugs, a second developing part arranged at one end of the thrombolytic flushing cavity 11, a second sealing component used for sealing blood vessels, and a thrombolytic catheter joint arranged at the other end of the thrombolytic flushing cavity 11. As an example, the second developing member is a second developing ring 13.
The thrombolysis flushing cavity 11 is of a closed structure at the end close to the second developing ring 13, and the second developing ring 13 is used for confirming the end position of the thrombolysis catheter. A second balloon 12 is arranged at a position close to the second developing ring 13, so that the distal blood vessel can be blocked, and an injection port 14 is arranged at a position close to the second balloon 12; thrombolytic drugs are injected through the injection port 14 to help the thrombus 30 dissolve, which may further assist in the flushing.
The second seal assembly includes: a second balloon 12 arranged at one end of the thrombolysis flushing cavity 11 and used for sealing the blood vessel, and a second inflation cavity 18 connected with the second balloon 12 and arranged in the thrombolysis catheter body 10. The thrombolytic catheter joint is a Y-shaped Ruhr joint, and is respectively a second balloon inflation joint 16 and a thrombolytic injection joint 17. The thrombolysis flushing cavity 11 is provided with a scale mark 15 at a position close to the thrombolysis catheter joint for confirming the catheter insertion depth. When the blood flow at the proximal end of the blood vessel needs to be blocked, the second balloon inflation connector 16 is connected with the second inflation cavity 18 to inflate the second balloon 12, so that the fine thrombus 30 is prevented from falling off to block other blood vessels.
The utility model discloses an use flow as follows:
first, the thrombolysis and aspiration device shown in FIG. 1 is taken out of the packaging bag, and the thrombolysis aspiration lumen 11 of the thrombolysis catheter and the aspiration lumen 23 of the aspiration catheter 2 are flushed with heparin or physiological saline to remove air from the catheter.
2, a guide wire is placed in the thrombus 30 of the patient to block the blood vessel, and then the guide wire is penetrated into an suction cavity 23 of the suction catheter 2, so that the whole device is pushed to the proximal end of the thrombus 30 through the guide wire, and the position of the distal end of the catheter is determined through the first developing ring 22.
3, the first balloon 24 of the suction catheter 2 is inflated by the first balloon 24 inflation pump to block the blood flow at the proximal end of the blood vessel and prevent the fine thrombus 30 from falling off to block other blood vessels, as shown in fig. 6.
4, pushing the thrombolytic catheter through the thrombus 30, so that the injection port 14 reaches the distal end of the thrombus 30, and the pushing depth is determined by the graduation mark 15 of the proximal end of the thrombolytic catheter according to the length of the thrombus 30, as shown in fig. 7.
And 5, inflating the second balloon 12 of the thrombolytic catheter by using a second balloon 12 inflation pump to seal off the blood flow at the far end of the blood vessel and prevent the thrombus 30 from blocking the far end blood vessel.
And 6, withdrawing the guide wire from the suction catheter 2, connecting the thrombolysis injection joint 17 at the proximal end of the thrombolysis catheter with an injection pump to inject thrombolysis medicines to complete medicine flushing, and connecting the suction joint 27 at the proximal end of the suction catheter 2 with a negative pressure pump to suck the thrombus 30.
The utility model can not only suck the thrombus 30, but also wash the stubborn thrombus 30 after drug thrombolysis, thereby increasing the suction effect on the stubborn thrombus 30, further enlarging the application range of the suction catheter 2 and simultaneously enabling the thrombus 30 to be removed more thoroughly; the utility model discloses a set up first sacculus 24, second sacculus 12, can carry out the shutoff to the blood vessel, prevent that the thrombus 30 or tiny thrombus 30 that drop from avoiding the secondary to block up to the vascular jam of distal end, improving safety in utilization.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (7)
1. A thrombolysis and aspiration device, comprising: a suction catheter, a thrombolytic catheter disposed within the suction catheter; the suction catheter comprises: the suction catheter comprises a suction catheter body, a thrombolytic catheter cavity, a suction catheter joint, a first developing piece and a first sealing assembly, wherein the thrombolytic catheter cavity is arranged in the suction catheter body and used for accommodating a thrombolytic catheter; the thrombolytic catheter comprises: the thrombolysis catheter body, set up the thrombolysis in the thrombolysis catheter body and wash the chamber, connect in the thrombolysis and wash the chamber and be used for injecting the injection mouth of thrombolysis medicine, set up in the thrombolysis and wash the second development piece of chamber one end for the second seal assembly of shutoff blood vessel sets up in the thrombolysis that washes the chamber other end and connects.
2. A thrombolytic and aspiration device according to claim 1, wherein the first sealing assembly comprises: the first balloon is arranged at one end of the suction catheter body and used for blocking a blood vessel, and the first inflation cavity is connected with the first balloon and arranged in the suction catheter body.
3. A thrombolysis and aspiration device according to claim 2, wherein said aspiration catheter adapter comprises: a thrombolytic catheter insertion opening connected to the thrombolytic catheter, a suction connector, a first balloon inflation connector connected to the first inflation lumen.
4. A thrombolytic and aspiration device according to claim 1, wherein the second sealing assembly comprises: a second sacculus arranged at one end of the thrombolysis flushing cavity and used for blocking blood vessels, and a second inflation cavity connected with the second sacculus and arranged in the thrombolysis catheter body.
5. A thrombolysis and aspiration device according to claim 4, wherein the thrombolysis catheter adapter comprises: a second balloon inflation connector connected to the second inflation cavity, and a thrombolytic injection connector.
6. A thrombolytic and aspiration device according to claim 1, wherein the first imaging member is a first imaging ring and the second imaging member is a second imaging ring.
7. A thrombolysis and aspiration device according to claim 1, wherein the thrombolysis flush lumen is provided with graduations near the connector of the thrombolysis catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022794789.6U CN214595955U (en) | 2020-11-27 | 2020-11-27 | Thrombus thrombolysis and suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022794789.6U CN214595955U (en) | 2020-11-27 | 2020-11-27 | Thrombus thrombolysis and suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214595955U true CN214595955U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022794789.6U Active CN214595955U (en) | 2020-11-27 | 2020-11-27 | Thrombus thrombolysis and suction device |
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| CN (1) | CN214595955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023240937A1 (en) * | 2022-06-14 | 2023-12-21 | 上海腾复医疗科技有限公司 | Multifunctional thrombus removal apparatus |
-
2020
- 2020-11-27 CN CN202022794789.6U patent/CN214595955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220616 Address after: 324000 room c-324, building 1, No. 6, Kaixuan South Road, Quzhou City, Zhejiang Province Patentee after: Zhejiang Boyi Yunhua Medical Instrument Co.,Ltd. Address before: 311200 Room 301, 3 / F, building 1, No. 527, Dadi line bridge section, Heshang Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou YUNPU Medical Equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |