CN211461436U - Negative pressure suction thrombus device and thrombus collecting device - Google Patents
Negative pressure suction thrombus device and thrombus collecting device Download PDFInfo
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- CN211461436U CN211461436U CN201921560850.1U CN201921560850U CN211461436U CN 211461436 U CN211461436 U CN 211461436U CN 201921560850 U CN201921560850 U CN 201921560850U CN 211461436 U CN211461436 U CN 211461436U
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Abstract
The utility model provides a negative pressure suction thrombus ware and thrombus collection device, negative pressure suction thrombus ware includes first check valve, second check valve, negative pressure thrombus ware cavity, push rod, characterized in that: the push rod is arranged in the cavity of the thrombus device, one end of the first one-way valve is connected with the three-way pipe, and the other end of the first one-way valve is connected with a third Ruhr male joint; the second one-way valve is connected with the negative pressure thrombus device cavity (11) through a three-way pipe; when the push rod is withdrawn, the negative pressure thrombus suction device is in a suction state, the first one-way valve is opened, and the second one-way valve is closed; when the push rod is pressed down, the negative pressure thrombus suction device is in a ventilation state, the first one-way valve is closed, and the second one-way valve is opened. Has the advantages that: the device can facilitate thrombus collection, can conveniently maintain continuous negative pressure compared with a common needle cylinder, and is lower in price compared with an aspiration pump; a collecting cylinder which can maintain the suction pressure and can be connected with the connecting pipe; a filter screen is arranged in the collecting cylinder to ensure that thrombus is difficult to pass through; the syringe with the one-way valve can maintain continuous negative pressure.
Description
Technical Field
The utility model relates to a thrombus collection device especially relates to a get and tie with negative pressure suction thrombus ware and thrombus collection device.
Background
At present, negative pressure suction for taking embolus is mainly used for continuous suction through a suction pump, the suction pump mainly comprises a negative pressure pump (providing continuous negative pressure), a disposable collector (collecting thrombus) and a suction connecting pipe (connecting with a suction catheter), and the function of the suction pump is not obviously different from that of the invention disclosed in the patent. Whereas suction was performed by a 50ml syringe in some hospitals without a suction pump. The existing suction pump has the defect of high price; it is difficult to provide continuous negative pressure by a common syringe, and the removed thrombus is difficult to collect, which is inconvenient for further analysis of thrombus components.
SUMMERY OF THE UTILITY MODEL
The invention provides a negative pressure thrombus suction device and a thrombus collection device, which solve the problem that a common injector is difficult to suck when a suction catheter or an intermediate catheter does not have a matched suction pump in nerve intervention, and are convenient to collect and take out thrombus.
A negative pressure suction thrombus device comprises a first one-way valve (9), a second one-way valve (10), a negative pressure suction thrombus device cavity (11) and a push rod (12), and is characterized in that: the push rod (12) is arranged in the negative pressure thrombus suction device cavity (11), one end of the first one-way valve (9) is connected with the three-way pipe, and the other end of the first one-way valve is connected with the third Ruhr male joint (8); the second one-way valve (10) is connected with the negative pressure thrombus suction device cavity (11) through the three-way pipe; when the push rod is withdrawn, the negative pressure thrombus suction device is in a suction state, the first one-way valve (9) is opened, and the second one-way valve (10) is closed; when the push rod is pressed down, the negative pressure thrombus suction device is in a ventilation state, the first one-way valve (9) is closed, and the second one-way valve (10) is opened.
A thrombus collection device comprising the negative pressure suction thrombus device is characterized in that: the negative pressure suction thrombus device also comprises a first Ruhr male connector (1), a first connecting pipe (2), a first Ruhr female connector (3), a second Ruhr male connector (4), a thrombus collecting cylinder (5), a filter screen (6), a second Ruhr female connector (7), a third Ruhr male connector (8) and a negative pressure suction thrombus device; two ends of the first connecting pipe are respectively connected with a first Ruhr male connector (1) and a first Ruhr female connector (3); the first luer female connector (3) is butted with a second luer male connector (4) on the thrombus collection barrel; the filter screen (6) is arranged on the thrombus collecting cylinder (5) and is connected with one end of the second Ruhr female joint (7); the second luer female connector (7) is connected with a third luer male connector (8) arranged on the negative pressure suction thrombus device.
Preferably: the density of the filter screen is 1-2mm, and the filter screen is embedded in an outlet of the thrombus collecting cylinder or is integrally formed with the thrombus collecting cylinder through 3d printing.
Preferably: the connecting pipe, the thrombus collector and the negative pressure thrombus suction device are separable.
Has the advantages that: the device can facilitate thrombus collection, can conveniently maintain continuous negative pressure compared with a common needle cylinder, and is lower in price compared with an aspiration pump; a collecting cylinder which can maintain the suction pressure and can be connected with the connecting pipe; a filter screen is arranged in the collecting cylinder to ensure that thrombus is difficult to pass through; the syringe with the one-way valve can maintain continuous negative pressure.
Drawings
Fig. 1 is a schematic view of the thrombus collection device of the present invention.
Fig. 2 is a schematic view of the negative pressure thrombus suction device of the present invention.
Wherein: 1 a first luer male connector; 2 a first connecting pipe; 3 a first luer female connector; 4 a second luer male connector; 5 a thrombus collection cylinder; 6, filtering by a filter screen; 7 a second luer male connector; 8 a third luer male connector; 9 a first one-way valve; 10 a second one-way valve; 11, sucking the thrombus cavity under negative pressure; 12 pushing the rod.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
A thrombus collection device comprises a first Ruhr male connector 1, a first connecting pipe 2, a first Ruhr female connector 3, a second Ruhr male connector 4, a thrombus collection cylinder 5, a filter screen 6, a second Ruhr female connector 7, a third Ruhr male connector 8, a first one-way valve 9, a second one-way valve 10 and a negative pressure thrombus suction device cavity 11; it is characterized in that: two ends of the first connecting pipe are respectively connected with a first Ruhr male connector 1 and a first Ruhr female connector 3; the first luer female connector 3 is butted with a second luer male connector 4 on the thrombus collection barrel; the filter screen 6 is arranged on the thrombus collecting barrel 5 and is connected with one end of a second Ruhr female joint 7; the second luer female connector is connected with a third luer male connector 8 arranged on a negative pressure suction thrombus device cavity 11.
The first connecting pipe adopted by the invention is similar to a high-pressure injector connecting pipe, and has the function of maintaining suction negative pressure without deformation in the suction process; the density of the filter screen is 1-2mm to ensure that blood can pass through, thrombus is filtered in the collection cylinder by the filter screen, and the filter screen is embedded at the outlet of the thrombus collection cylinder or is integrally formed with the collection cylinder through 3d printing; the first one-way valve 9 and the second one-way valve 10 play a role in maintaining negative pressure, continuous negative pressure can be ensured by the continuous suction of the push rod, and the problem of difficult suction of medical staff is solved; the collector is separated from the negative pressure thrombus suction device; the Ruhr male joint at the front end of the connecting pipe can be connected with a thrombus suction catheter (the thrombus suction catheter is used for reaching the position of thrombus through a blood vessel and sucking thrombus through a lumen), the Ruhr male joint at the front end of the collector is used for stably connecting the connecting pipe, and the negative pressure thrombus suction device is connected with the collector through the Ruhr male joint to prevent air leakage.
The working principle is as follows:
when the push rod is retracted, the first one-way valve is opened, the second one-way valve is closed, the cavity of the negative pressure suction thrombus device provides negative pressure suction for the first connecting pipe, and the thrombus suction catheter provides negative pressure suction. When the push rod is pressed down, the first one-way valve is closed, the second one-way valve is opened, the first one-way valve is closed to enable the first connecting pipe and the thrombus suction catheter to keep a negative pressure state, the second one-way valve is opened, the negative pressure thrombus suction device conducts ventilation, the retracting operation and the pressing-down operation of the push rod are repeated, and the pressure in the first connecting pipe and the pressure in the thrombus suction catheter can be increased and maintained.
Thrombus collection device connects intravascular thrombus suction catheter through first connecting pipe, utilizes negative pressure suction thrombus ware to produce the required negative pressure that lasts of suction, and suction in-process aspirates thing accessible thrombus suction catheter, and first connecting pipe flows into in the thrombus surge drum, and thrombus surge drum entrance is equipped with the filter screen, can filter out the thrombus in the aspirates to with thrombus and liquid separation, reach the effect of thrombus suction and collection.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A negative pressure suction thrombus device comprises a first one-way valve (9), a second one-way valve (10), a negative pressure suction thrombus device cavity (11) and a push rod (12), and is characterized in that: the push rod (12) is arranged in the negative pressure thrombus suction device cavity (11), one end of the first one-way valve (9) is connected with the three-way pipe, and the other end of the first one-way valve is connected with the third Ruhr male joint (8); the second one-way valve (10) is connected with the negative pressure thrombus suction device cavity (11) through the three-way pipe; when the push rod is withdrawn, the negative pressure thrombus suction device is in a suction state, the first one-way valve (9) is opened, and the second one-way valve (10) is closed; when the push rod is pressed down, the negative pressure thrombus suction device is in a ventilation state, the first one-way valve (9) is closed, and the second one-way valve (10) is opened.
2. A thrombus collection device comprising the negative pressure aspiration thrombus device according to claim 1, characterized in that: the negative pressure suction thrombus device also comprises a first Ruhr male connector (1), a first connecting pipe (2), a first Ruhr female connector (3), a second Ruhr male connector (4), a thrombus collecting cylinder (5), a filter screen (6), a second Ruhr female connector (7), a third Ruhr male connector (8) and a negative pressure suction thrombus device; two ends of the first connecting pipe are respectively connected with a first Ruhr male connector (1) and a first Ruhr female connector (3); the first luer female connector (3) is butted with a second luer male connector (4) on the thrombus collection barrel; the filter screen (6) is arranged on the thrombus collecting cylinder (5) and is connected with one end of the second Ruhr female joint (7); the second luer female connector (7) is connected with a third luer male connector (8) arranged on the negative pressure suction thrombus device.
3. A thrombus collection device according to claim 2, wherein: the density of the filter screen (6) is 1-2mm, and the filter screen (6) is inlaid in an outlet of the thrombus collection cylinder (5) or is printed by 3d to be integrally formed with the thrombus collection cylinder (5).
4. A thrombus collection device according to claim 2, wherein: the first connecting pipe, the thrombus collecting barrel and the negative pressure thrombus suction device can be separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560850.1U CN211461436U (en) | 2019-09-19 | 2019-09-19 | Negative pressure suction thrombus device and thrombus collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560850.1U CN211461436U (en) | 2019-09-19 | 2019-09-19 | Negative pressure suction thrombus device and thrombus collecting device |
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| CN211461436U true CN211461436U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921560850.1U Active CN211461436U (en) | 2019-09-19 | 2019-09-19 | Negative pressure suction thrombus device and thrombus collecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112773958A (en) * | 2021-03-03 | 2021-05-11 | 金华市晨曦医疗器械有限公司 | Continuous compensation negative pressure drainage device |
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2019
- 2019-09-19 CN CN201921560850.1U patent/CN211461436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112773958A (en) * | 2021-03-03 | 2021-05-11 | 金华市晨曦医疗器械有限公司 | Continuous compensation negative pressure drainage device |
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