CN104984461A - Thrombus aspiration catheter - Google Patents
Thrombus aspiration catheter Download PDFInfo
- Publication number
- CN104984461A CN104984461A CN201510405329.0A CN201510405329A CN104984461A CN 104984461 A CN104984461 A CN 104984461A CN 201510405329 A CN201510405329 A CN 201510405329A CN 104984461 A CN104984461 A CN 104984461A
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- utricule
- suction chamber
- guidewire lumen
- entrance
- cavity
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Abstract
The embodiment of the invention discloses a thrombus aspiration catheter applied to the field of medical apparatuses and instruments. The catheter comprises an aspiration cavity 19, a guide wire cavity 11, a bag body 13, a bag body pressurization passageway 16 and a pipe base 15. The guide wire cavity 11 is a cavity, separated at the end of an aspiration inlet 12, of the aspiration cavity 19. The guide wire cavity 11 comprises a guide wire cavity inlet 18 and a guide wire cavity outlet 14. The guide wire cavity inlet 18 is an inclined plane notch extending out of the aspiration cavity inlet 12. The guide wire cavity outlet 14 is located in any side of the two sides of the bag body. The bag body 13 is located at the end, close to the aspiration cavity inlet 12, of the catheter. The bag body 13 wraps the outer side of the aspiration cavity 19 and the outer side of the guide wire cavity 11. The bag body pressurization passageway 16 is a passageway attached to the aspiration cavity 19. The pipe base 15 is located at the end, close to an aspiration cavity connector 17, of the catheter. The pipe base 15 is connected with the aspiration cavity connector 17. By means of the thrombus aspiration catheter, the aspiration effect and efficiency are greatly improved.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of thrombus suction catheter.
Background technology
At medical domain, often because the existence of thrombosis and occluding vascular in the blood vessel of human body, thus cause local organization because ischemia and formative tissue is downright bad, affect health, even threaten human life.
In order to the problem of the existence and occluding vascular that solve thrombosis, usually use thrombus suction catheter in prior art, by conduit is delivered to thrombi along blood vessel, directly give negative pressure, thrombosis is extracted out, makes blood vessel re-establish hemodynamic.
But due to the limited diameter of blood vessel, therefore cause the diameter of suction catheter to be also limited, so often aspirate thrombi effect is very undesirable.
Summary of the invention
The object of the invention is to solve the problem that thrombus suction catheter limited diameter of the prior art causes aspirate thrombi effect undesirable.
In view of this, the invention provides a kind of thrombus suction catheter, can comprise:
Suction chamber 19, guidewire lumen 11, utricule 13, utricule pressurizing channel 16 and base 15;
Described suction chamber 19 one end is suction chamber entrance 12, and the other end is suction chamber interface 17, and described suction chamber entrance 12 is bevel cuts, and described suction chamber interface 17 connects described base 15;
Described guidewire lumen 11 is the cavity that described suction chamber 19 separates at described suction chamber entrance 12 end, comprise guidewire lumen entrance 18 and guidewire lumen outlet 14, described guidewire lumen entrance 18 is for stretching out the bevel cuts of described suction chamber entrance 12, and described guidewire lumen outlet 14 is arranged in any side of described utricule both sides;
Described utricule 13 is positioned at described conduit one end near described suction chamber entrance 12, is wrapped in the outside of described suction chamber 19 and described guidewire lumen 11;
Described utricule pressurizing channel 16, for being close to the passage of described suction chamber 19, comprises utricule pressurizing channel far-end and utricule pressurizing channel near-end, and described utricule pressurizing channel far-end is connected with described utricule 13, and described utricule pressurizing channel near-end is connected with described base 15;
Described base 15 is positioned at described conduit one end near described suction chamber interface 17, is connected with described suction chamber interface 17, comprises two passages, is respectively used to be communicated with described suction chamber 19 and described utricule pressurizing channel 16.
As can be seen from the above technical solutions, the present invention has the following advantages:
In the present invention, for the problem that thrombus suction catheter limited diameter of the prior art causes aspirate thrombi effect undesirable, propose a kind of thrombus suction catheter.This thrombus suction catheter by designing utricule on conduit, and before carrying out Biochemical analyzer, utricule inflates blocking blood flow, reducing blood fluidity, when carrying out Biochemical analyzer, adding swabbing pressure, make Biochemical analyzer easier, and less blood aspiration, drastically increase suction effect.
Term " first ", " second ", " the 3rd " " 4th " etc. (if existence) in description of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.The embodiments described herein should be appreciated that the data used like this can be exchanged in the appropriate case, so that can be implemented with the order except the content except here diagram or description.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Accompanying drawing explanation
Fig. 1 is the thrombus suction catheter structure chart that a kind of guidewire lumen entrance of the present invention and guidewire lumen outlet are positioned at utricule both sides;
Fig. 2 is the thrombus suction catheter structure chart that a kind of guidewire lumen entrance of the present invention and guidewire lumen outlet are positioned at utricule side.
Detailed description of the invention
Embodiments provide a kind of thrombus suction catheter, the problem that thrombus suction catheter limited diameter in prior art causes aspirate thrombi effect undesirable can be solved.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Refer to Fig. 1, be the structure chart of a kind of thrombus suction catheter embodiment 1 provided by the invention, as seen from Figure 1, described conduit comprises:
Suction chamber 19, guidewire lumen 11, utricule 13, utricule pressurizing channel 16 and base 15;
Described suction chamber 19 one end is suction chamber entrance 12, and the other end is suction chamber interface 17, and described suction chamber entrance 12 is bevel cuts, and described suction chamber interface 17 connects described base 15;
Described guidewire lumen 11 is the cavity that described suction chamber 19 separates at described suction chamber entrance 12 end, comprise guidewire lumen entrance 18 and guidewire lumen outlet 14, described guidewire lumen entrance 18 is for stretching out the bevel cuts of described suction chamber entrance 12, and described guidewire lumen outlet 14 is arranged in any side of described utricule both sides;
Described utricule 13 is positioned at described conduit one end near described suction chamber entrance 12, is wrapped in the outside of described suction chamber 19 and described guidewire lumen 11;
Described utricule pressurizing channel 16, for being close to described suction chamber 19 passage, comprises utricule pressurizing channel far-end and utricule pressurizing channel near-end, and described utricule pressurizing channel far-end is connected with described utricule 13, and described utricule pressurizing channel near-end is connected with described base 15;
Described base 15 is positioned at described conduit one end near described suction chamber interface 17, is connected with described suction chamber interface 17, comprises two passages, is respectively used to be communicated with described suction chamber 19 and described utricule pressurizing channel 16.
Concrete, as seen from Figure 1, described thrombus suction catheter comprises suction chamber 19, guidewire lumen 11, utricule 13, utricule pressurizing channel 16, base 15, wherein said suction chamber 19 comprises suction chamber entrance 12 and suction chamber interface 17, wherein said suction chamber entrance 12 is bevel cuts, described suction chamber interface 17 is connected with described base 15, and described suction chamber 19 is main parts of whole thrombus suction catheter, is mainly used for passage during Biochemical analyzer; Described guidewire lumen 11 is that described suction chamber 19 separates at described suction chamber entrance 12 end place and the cavity formed, and described guidewire lumen 11 comprises guidewire lumen entrance 18 and guidewire lumen outlet 14, wherein said guidewire lumen entrance 18 stretches out described suction chamber entrance 12 1 segment distance, is provided with developing mark in the described guidewire lumen entrance 18 stretched out; Described utricule 13 is in one end of the close described suction chamber entrance 12 of whole described thrombus suction catheter, be wrapped in the outside of described suction chamber 19 and described guidewire lumen 11, the profile of described utricule 13 is large sacculus, can expand, may be used for blocking blood flow after pressurising; Described utricule pressurizing channel 16 is for being close to described suction chamber 19 passage, the main passage as gas circulation during described utricule 13 pressurising, described utricule pressurizing channel 16 includes far-end and the near-end of utricule pressurizing channel 16, the far-end of described utricule pressurizing channel 16 is connected with described utricule 13, and the near-end of described utricule pressurizing channel 16 is connected to described base 15; Described base 15 is one end of close described suction chamber interface 17 at described thrombus suction catheter, and be connected with described suction chamber interface 17, described base 15 has two passages, and these two passages are respectively used to be communicated with described suction chamber 19 and described utricule pressurizing channel 16.
A kind of thrombus suction catheter provided by the invention by designing utricule on conduit, before carrying out Biochemical analyzer, utricule inflation blocking blood flow, reduce blood fluidity, when carrying out Biochemical analyzer, adding swabbing pressure, making Biochemical analyzer easier, and less blood aspiration, drastically increase suction effect.
For the ease of there being one to understand more intuitively to the beneficial effect of a kind of thrombus suction catheter provided by the invention, present invention also offers embodiment 2, the structure chart of composition graphs 1 one kinds of thrombus suction catheters is described in detail.
As shown in Figure 1, described thrombus suction catheter specifically can comprise:
Suction chamber 19, guidewire lumen 11, utricule 13, utricule pressurizing channel 16 and base 15; Described suction chamber 19 one end is suction chamber entrance 12, and the other end is suction chamber interface 17, and described suction chamber entrance 12 is bevel cuts, and described suction chamber interface 17 connects described base 15.
Preferably, described suction chamber entrance 12 can be Oblique Elliptic face otch, contributes to inlet area when increasing Biochemical analyzer like this, thus increases suction effect.Described suction chamber entrance 12 has certain distance relative to described guidewire lumen entrance 18, and described suction chamber entrance 12 vestibule is larger than the vestibule of described guidewire lumen entrance 18, and described suction chamber connects, and 17 are connected on described base 15.
Described guidewire lumen 11 is the cavity that described suction chamber 19 separates at described suction chamber entrance 12 end, comprise guidewire lumen entrance 18 and guidewire lumen outlet 14, described guidewire lumen entrance 18 is for stretching out the bevel cuts of described suction chamber entrance 12, and described guidewire lumen outlet 14 is arranged in any side of described utricule both sides.
Preferably; as shown in Figure 1; described guidewire lumen entrance 18 and described guidewire lumen outlet 14 are positioned at the both sides of described utricule 13; namely separated in both sides by described utricule 13; and be parallel to described suction chamber 19, described guidewire lumen 11 in this case can play the effect of an overfill protection to the utricule 13 of pressurising.The length of described guidewire lumen 11 is general shorter, but the length of described guidewire lumen 11 is at least 3mm, and the length of described guidewire lumen 11 is no more than the half of described conduit total length.Described guidewire lumen outlet 14 is the side openings separated in described suction chamber 19, and described guidewire lumen entrance 18 is distalmost end of described suction catheter.
Preferably, as shown in Figure 2, described guidewire lumen entrance 18 and described guidewire lumen outlet 14 can also be positioned at described utricule 13 side, and are the one end near described suction chamber entrance 12.In this case described guidewire lumen 11 length is general shorter.
Described utricule 13 is positioned at described conduit one end near described suction chamber entrance 12, is wrapped in the outside of described suction chamber 19 and described guidewire lumen 11.
Preferably, described utricule 13 be one can the air bag of pressurising, and the compliance of described utricule 13 is better, can expand after pressurising, when non-pressurising, described utricule 13 is tightly rolled in the diameter described thrombus suction catheter not increasing described thrombus suction catheter, and after being charged into certain pressure, described utricule 13 increases to some extent along with the increase diameter of pressure, forms the function of shutoff blood vessel.
Preferably, the material of described utricule 13 can be silastic material or the good macromolecular material of other compliances, as compliance or half compliance nylon.
Described utricule pressurizing channel 16, for being close to the passage of described suction chamber 19, comprises utricule pressurizing channel far-end and utricule pressurizing channel near-end, and described utricule pressurizing channel far-end is connected with described utricule 13, and described utricule pressurizing channel near-end is connected with described base 15.
Preferably, outside the adjacent suction chamber 19 of described utricule pressurizing channel 16, far-end is connected to described utricule 13 place, and near-end is connected to described base 15 place, for the passage of the gas process when giving described utricule pressurising.
Described base 15 is positioned at described conduit one end near described suction chamber interface 17, is connected with described suction chamber interface 17, comprises two passages, is respectively used to be communicated with described suction chamber 19 and described utricule pressurizing channel 16.
Preferably, two passages of described base 15 can connect aspirator and to pressure device, to complete the pumping function of described thrombus suction catheter.
Below in conjunction with the operation principle of Fig. 1 illustratively described thrombus suction catheter.
After described thrombus suction catheter enters assigned address along guide seal wire, described utricule 13 described to pressure device effect under pressurising pressurized gas be pressurized to pressure needed for work to described utricule 13 along described utricule pressurizing channel 16, now can block blood flow, shutoff blood vessel.Then under described aspirator effect, by suction chamber 19 by the Biochemical analyzer of diseased region in aspirator, aspirate complete.Finally the gas in described utricule 13 being withdrawn from by taking out pressure mode, this completes a Biochemical analyzer process.
In the embodiment of the present invention, for the problem that thrombus suction catheter limited diameter of the prior art causes aspirate thrombi effect undesirable, propose a kind of thrombus suction catheter.This thrombus suction catheter by increasing a utricule near catheter suction mouth, and before carrying out Biochemical analyzer, utricule inflation blocking blood flow, makes diseased region form a hemi-closure space, this reduces blood fluidity.When carrying out Biochemical analyzer, this utricule also add the swabbing pressure in this space, makes Biochemical analyzer easier, and less blood aspiration, drastically increase suction effect, patient is benefited.
Claims (10)
1. a thrombus suction catheter, is characterized in that, described conduit comprises:
Suction chamber (19), guidewire lumen (11), utricule (13), utricule pressurizing channel (16) and base (15);
Described suction chamber (19) one end is suction chamber entrance (12), the other end is suction chamber interface (17), described suction chamber entrance (12) is bevel cuts, and described suction chamber interface (17) connects described base (15);
The cavity that described guidewire lumen (11) separates described suction chamber entrance (12) end for described suction chamber (19), comprise guidewire lumen entrance (18) and guidewire lumen outlet (14), described guidewire lumen entrance (18) is for stretching out the bevel cuts of described suction chamber entrance (12), and described guidewire lumen outlet (14) is arranged in any side of described utricule both sides;
Described utricule (13) is positioned at described conduit one end near described suction chamber entrance (12), is wrapped in the outside of described suction chamber (19) and described guidewire lumen (11);
Described utricule pressurizing channel (16) is for being close to described suction chamber (19) passage, comprise utricule pressurizing channel far-end and utricule pressurizing channel near-end, described utricule pressurizing channel far-end is connected with described utricule (13), and described utricule pressurizing channel near-end is connected with described base (15);
Described base (15) is positioned at described conduit one end near described suction chamber interface (17), be connected with described suction chamber interface (17), comprise two passages, be respectively used to be communicated with described suction chamber (19) and described utricule pressurizing channel (16).
2. conduit according to claim 1, is characterized in that, described guidewire lumen entrance (18) and described guidewire lumen outlet (14) are positioned at described utricule (13) both sides.
3. conduit according to claim 1, is characterized in that, described guidewire lumen entrance (18) and described guidewire lumen outlet (14) are positioned at described utricule side, and near one end of described suction chamber entrance (12).
4. conduit according to claim 1, is characterized in that, the length of described guidewire lumen (11) is at least 3mm.
5. conduit according to claim 4, is characterized in that, the length of described guidewire lumen (11) is no more than the half of described conduit total length.
6. conduit according to claim 1, is characterized in that, described suction chamber entrance (12) is oval bevel cuts.
7. conduit according to claim 1, is characterized in that, described utricule (13) for spherical can pressurizing balloon.
8. conduit according to claim 7, is characterized in that, described utricule (13) described utricule (13) position diameter when non-pressurising does not increase.
9. conduit according to claim 7, is characterized in that, the material of described utricule (13) is silastic material, compliance nylon material or half compliance nylon material.
10. conduit according to claim 1, is characterized in that, described base (15) is with the aspirator outside described conduit and be connected to pressure device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405329.0A CN104984461A (en) | 2015-07-10 | 2015-07-10 | Thrombus aspiration catheter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405329.0A CN104984461A (en) | 2015-07-10 | 2015-07-10 | Thrombus aspiration catheter |
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| CN104984461A true CN104984461A (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510405329.0A Pending CN104984461A (en) | 2015-07-10 | 2015-07-10 | Thrombus aspiration catheter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108904006A (en) * | 2018-05-24 | 2018-11-30 | 湖南埃普特医疗器械有限公司 | Suction catheter |
| CN112057133A (en) * | 2020-09-15 | 2020-12-11 | 玮铭医疗器械(上海)有限公司 | Multifunctional treatment catheter |
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2015
- 2015-07-10 CN CN201510405329.0A patent/CN104984461A/en active Pending
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| CN112057133A (en) * | 2020-09-15 | 2020-12-11 | 玮铭医疗器械(上海)有限公司 | Multifunctional treatment catheter |
| CN112057133B (en) * | 2020-09-15 | 2021-10-15 | 玮铭医疗器械(上海)有限公司 | Multifunctional treatment catheter |
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Application publication date: 20151021 |
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