CN210872239U - Recoverable vena cava thrombus filter - Google Patents
Recoverable vena cava thrombus filter Download PDFInfo
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- CN210872239U CN210872239U CN201721032846.9U CN201721032846U CN210872239U CN 210872239 U CN210872239 U CN 210872239U CN 201721032846 U CN201721032846 U CN 201721032846U CN 210872239 U CN210872239 U CN 210872239U
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- filter screen
- connecting rod
- blood vessel
- vena cava
- secretion
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Abstract
The utility model discloses a recoverable vena cava thrombus filter, which comprises a recovering hook, a blood vessel supporting device and a second connecting rod from left to right, wherein the right side of the recovering hook is fixedly connected with the first connecting rod, the periphery of the first connecting rod is fixedly connected with a top layer filter screen, the blood vessel supporting device comprises a balance column, a front end filter screen and a rear end filter screen, the tail end of the front end filter screen is provided with a blood vessel fixing spine, the right side end surface of the blood vessel supporting device is horizontally and fixedly connected with the second connecting rod, and the other end of the second connecting rod is provided with a medicine secretion sacculus, the utility model has simple structure and novel design, uses double-layer thrombus filter screens and is provided with the medicine secretion sacculus, the filtering part of the filter is enlarged, the thrombus filtering efficiency is improved, the using efficiency of the filter is increased, the blood flow blockage is prevented, the risk of the recurrence of pulmonary embolism and the risk of the, simple structure, obvious effect, convenient treatment and the like.
Description
Technical Field
The utility model relates to a vein thrombus filter device specifically is a recoverable vena cava thrombus filter, belongs to medical instrument technical field.
Background
After the deep vein thrombosis is formed, once the deep vein thrombosis falls off, the deep vein thrombosis flows back to the heart along the vein, and is pumped out from the heart to the inner side of the pulmonary artery, and the deep vein thrombosis blocks the inner side of the pulmonary artery to form pulmonary embolism. The vena cava filter is a vascular filtering structure which is placed in a vena cava and used for capturing thrombus, can prevent the thrombus from moving to the heart and the lung, and effectively prevents the pulmonary embolism.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a recoverable vena cava thrombus filter.
The utility model realizes the above purpose by the following technical proposal, a recoverable vena cava thrombus filter comprises a recovery hook, a blood vessel supporting device and a second connecting rod from left to right, wherein the right side of the recovery hook is fixedly connected with the first connecting rod, the periphery of the first connecting rod is fixedly connected with a top layer filter screen, the blood vessel supporting device comprises a balance column, a front end filter screen and a rear end filter screen, the tail end of the front end filter screen is provided with a blood vessel fixing spine, the front end filter screen and the rear end filter screen are fixedly connected through the balance column, the right end surface of the blood vessel supporting device is horizontally and fixedly connected with the second connecting rod, the other end of the second connecting rod is provided with a medicine secretion balloon, the inner side of the medicine secretion balloon is provided with a thread, the medicine secretion balloon is spirally connected with the second connecting rod through the thread, the inner side of the medicine secretion balloon is provided with a medicine, and the drug secretion saccule is communicated with the drug secretion hole.
Preferably, the top layer filter screen is in a chrysanthemum petal shape, and the top layer filter screen is made of medical metal wires with the diameter of 0.05 mm.
Preferably, the diameter of the top layer filter screen is equal to the diameter of the blood vessel supporting device, and the diameter of the top layer filter screen and the diameter of the blood vessel supporting device are 30 mm.
Preferably, the connection relation between the top layer filter screen and the first connecting rod is welded connection.
Preferably, the included angle between the blood vessel fixing prick and the horizontal plane is 45 degrees.
Preferably, the front end filter screen and the rear end filter screen are symmetrically arranged at two ends of the balance column.
The utility model has the advantages that: the device simple structure, the modern design adopts double-deck thrombus filter screen, and is equipped with the medicine secretion sacculus, filter filtering part is expanding, when improving thrombus filtration efficiency, decomposes the thrombus, increases filter availability factor, prevents that the blood flow from blockking up, greatly reduced patient through thrombus filter equipment treatment back pulmonary embolism risk and vein occlusion's risk again, and avoided the secondary damage to patient's vein puncture thrombolytic, advantages such as simple structure, the effect is obvious, the treatment is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention;
fig. 4 is a front view of the drug secretion balloon of the present invention;
fig. 5 is a top view of the drug secretion balloon of the present invention.
In the figure: 1-recovery hook, 2-top layer filter screen, 3-first connecting rod, 4-blood vessel fixing thorn, 5-blood vessel supporting device, 501-balance column, 502-front end filter screen, 503-rear end filter screen, 6-second connecting rod, 7-drug secretion sacculus, 701-drug secretion hole, 702-thread and 703-drug cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a recoverable vena cava thrombus filter comprises a recovering hook 1, a blood vessel supporting device 5 and a second connecting rod 6 from left to right, wherein the right side of the recovering hook 1 is fixedly connected with a first connecting rod 3, the periphery of the first connecting rod 3 is fixedly connected with a top layer filter screen 2, the blood vessel supporting device 5 comprises a balance column 501, a front end filter screen 502 and a rear end filter screen 503, the tail end of the front end filter screen 502 is provided with a blood vessel fixing spine 4, the front end filter screen 502 is fixedly connected with the rear end filter screen 503 through the balance column 501, the right end surface of the blood vessel supporting device 5 is horizontally and fixedly connected with the second connecting rod 6, the other end of the second connecting rod 6 is provided with a drug secretion balloon 7, the inner side of the drug secretion balloon 7 is provided with a thread 702, the drug secretion balloon 7 is spirally connected with the second connecting rod 6 through the thread 702, the inner side of the drug, and a drug secretion hole 701 is formed in the periphery of the drug secretion balloon 7, and the drug secretion balloon 7 is communicated with the drug secretion hole 701.
The top filter screen 2 is in a chrysanthemum petal shape, and the top filter screen 2 is made of medical metal steel wires with the diameter of 0.05mm, so that thrombus can be conveniently filtered, and the blockage of the thrombus is prevented; the diameter of the top layer filter screen 2 is equal to that of the blood vessel supporting device 5, and the diameter of the top layer filter screen 2 and the diameter of the blood vessel supporting device 5 are 30mm, so that the structure is more compact, thrombus is further filtered conveniently, and the efficiency of preventing thrombus blockage is higher; the connection relation between the top layer filter screen 2 and the first connecting rod 3 is welded connection, so that the structure is more stable and durable; the included angle between the blood vessel fixing spine 4 and the horizontal plane is 45 degrees, so that the device is conveniently fixed on the inner wall of the blood vessel, and the device is prevented from deviating in the blood vessel; the front end filter screen 502 and the rear end filter screen 503 are symmetrically arranged at two ends of the balance column 501, double-layer filtering is realized, and the effect is better; the drug secretion saccule 7 is a hollow cavity, which is convenient for drug administration.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A recoverable vena cava thrombus filter, comprises a recovery hook (1) from left to right, a blood vessel supporting device (5) and a second connecting rod (6), and is characterized in that: the recovery hook (1) is fixedly connected with a first connecting rod (3) on the right side, a top layer filter screen (2) is fixedly connected with the periphery of the first connecting rod (3), the blood vessel supporting device (5) comprises a balance column (501), a front end filter screen (502) and a rear end filter screen (503), a blood vessel fixing spine (4) is arranged at the tail end of the front end filter screen (502), the front end filter screen (502) is fixedly connected with the rear end filter screen (503) through the balance column (501), a second connecting rod (6) is horizontally and fixedly connected with the end face of the right side of the blood vessel supporting device (5), a medicine secretion balloon (7) is arranged at the other end of the second connecting rod (6), a thread (702) is arranged on the inner side of the medicine secretion balloon (7), the medicine secretion balloon (7) is spirally connected with the second connecting rod (6) through the thread (702), a medicine cavity (703) is arranged on the inner, and the periphery of the drug secretion saccule (7) is provided with a drug secretion hole (701), and the drug secretion saccule (7) is communicated with the drug secretion hole (701).
2. The retrievable vena cava thrombus filter of claim 1, wherein: the top layer filter screen (2) is in a chrysanthemum petal shape, and the top layer filter screen (2) is made of medical metal wires with the diameter of 0.05 mm.
3. The retrievable vena cava thrombus filter of claim 1, wherein: the diameter of the top layer filter screen (2) is equal to that of the blood vessel supporting device (5), and the top layer filter screen (2) and the blood vessel supporting device (5) are 30 mm.
4. The retrievable vena cava thrombus filter of claim 1, wherein: the connection relation between the top layer filter screen (2) and the first connecting rod (3) is welded connection.
5. The retrievable vena cava thrombus filter of claim 1, wherein: the included angle between the blood vessel fixing thorn (4) and the horizontal plane is 45 degrees.
6. The retrievable vena cava thrombus filter of claim 1, wherein: the front end filter screen (502) and the rear end filter screen (503) are symmetrically arranged at two ends of the balance column (501).
7. The retrievable vena cava thrombus filter of claim 1, wherein: the drug secretion saccule (7) is a hollow cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032846.9U CN210872239U (en) | 2017-08-17 | 2017-08-17 | Recoverable vena cava thrombus filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032846.9U CN210872239U (en) | 2017-08-17 | 2017-08-17 | Recoverable vena cava thrombus filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210872239U true CN210872239U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721032846.9U Active CN210872239U (en) | 2017-08-17 | 2017-08-17 | Recoverable vena cava thrombus filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099987A1 (en) * | 2020-11-10 | 2022-05-19 | Suzhou Zenith Vascular Scitech Limited | Embolic protection device with dual-layer filter meshes |
| CN114916994A (en) * | 2022-07-22 | 2022-08-19 | 北京华脉泰科医疗器械股份有限公司 | Nidus extractor, accommodating device and far-end protection sleeve |
-
2017
- 2017-08-17 CN CN201721032846.9U patent/CN210872239U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099987A1 (en) * | 2020-11-10 | 2022-05-19 | Suzhou Zenith Vascular Scitech Limited | Embolic protection device with dual-layer filter meshes |
| CN114916994A (en) * | 2022-07-22 | 2022-08-19 | 北京华脉泰科医疗器械股份有限公司 | Nidus extractor, accommodating device and far-end protection sleeve |
| CN114916994B (en) * | 2022-07-22 | 2022-11-01 | 北京华脉泰科医疗器械股份有限公司 | Nidus extractor |
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