CN204394741U - A kind of vena cava filter assembly being convenient to take out - Google Patents
A kind of vena cava filter assembly being convenient to take out Download PDFInfo
- Publication number
- CN204394741U CN204394741U CN201420865062.4U CN201420865062U CN204394741U CN 204394741 U CN204394741 U CN 204394741U CN 201420865062 U CN201420865062 U CN 201420865062U CN 204394741 U CN204394741 U CN 204394741U
- Authority
- CN
- China
- Prior art keywords
- drag hook
- filter screen
- sleeve pipe
- cone
- draw ring
- 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.)
- Expired - Fee Related
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Abstract
Be convenient to the vena cava filter assembly taken out, comprise filter frame, lower end filter screen, lower end hook, upper end filter screen, upper end hook, draw ring sleeve pipe, tab lever, draw ring, drag hook sleeve pipe, drag hook bar, drag hook; Wherein: filter frame is cylinder ring network structure; Lower end filter screen is cone structure, and cone bottom is connected with the bottom of filter frame, and the vertex of a cone of lower end filter screen is connected with two lower end hooks; Upper end filter screen is cone structure, and cone bottom is connected with the top of filter frame, and the vertex of a cone of upper end filter screen is connected with two upper end hooks; Tab lever pierces in draw ring sleeve pipe, tab lever stretch out one end with resilient detents, the lateral dimension of draw ring is greater than the internal diameter of draw ring sleeve pipe; Drag hook bar pierces into drag hook sleeve pipe, drag hook bar stretch out one end with drag hook, the lateral dimension of drag hook is greater than the internal diameter of drag hook sleeve pipe.Advantage of the present utility model: theory structure is reasonable, cost increases low, becomes 180 ° of hook formations arranged, matable assembly uses, and guarantees that vena cava filter takes out safely.
Description
Technical field
This utility model relates to medical auxiliary device, particularly a kind of vena cava filter assembly being convenient to take out.
Background technology
Existing vena cava filter, structure only has a hook, not rationally, often due to reasons in structure, causes taking out, and long-term placement brings impact to patient body.
Utility model content
The purpose of this utility model is that spy provides a kind of vena cava filter assembly being convenient to take out in order to make vena cava filter be convenient to take out.
This utility model provides a kind of vena cava filter assembly being convenient to take out, and it is characterized in that: the described vena cava filter assembly being convenient to take out, comprises filter frame 1, lower end filter screen 2, lower end hook 3, upper end filter screen 4, upper end hook 5, draw ring sleeve pipe 6, tab lever 7, draw ring 8, drag hook sleeve pipe 9, drag hook bar 10, drag hook 11;
Wherein: filter frame 1 is cylinder ring network structure; Lower end filter screen 2 is cone structure, and cone bottom is connected with the bottom of filter frame 1, and the vertex of a cone of lower end filter screen 2 is connected with two the lower end hooks 3 arranged by 180 °; Upper end filter screen 4 is cone structure, and cone bottom is connected with the top of filter frame 1, and the vertex of a cone of upper end filter screen 4 is connected with by 180 ° of upper end hooks 5 of two of arranging;
Tab lever 7 pierces in draw ring sleeve pipe 6, tab lever 7 stretch out one end with resilient detents 8, the lateral dimension of draw ring 8 is greater than the internal diameter of draw ring sleeve pipe 6;
Drag hook bar 10 pierces into drag hook sleeve pipe 9, drag hook bar 10 stretch out one end with drag hook 11, the lateral dimension of drag hook 11 is greater than the internal diameter of drag hook sleeve pipe 9.
The circular cone drift angle of described lower end filter screen 2 is less than 70 °.
The circular cone drift angle of described upper end filter screen 4 is less than 90 °.
Vena cava filter described in the utility model, during use, once vena cava filter offsets, top or bottom is caused to press close to blood vessel wall, bottom or top, necessarily have the hook of side to be in the position that can be suspended to simultaneously, goes to adjust position by drag hook 11, hung up the lower end hook 3 of vena cava filter by draw ring 8, realize pull-out.
Advantage of the present utility model:
The vena cava filter assembly being convenient to take out described in the utility model, theory structure is reasonable, and cost increases low, becomes 180 ° of hook formations arranged, matable assembly uses, and guarantees that vena cava filter takes out safely.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, this utility model is described in further detail:
Fig. 1 is for ease of filter section structural representation in the vena cava filter assembly of taking-up;
Fig. 2 is for ease of tab part structural representation in the vena cava filter assembly of taking-up;
Fig. 3 is for ease of drag hook part-structure schematic diagram in the vena cava filter assembly of taking-up.
Detailed description of the invention
Embodiment 1
Present embodiments provide a kind of vena cava filter assembly being convenient to take out, it is characterized in that: the described vena cava filter assembly being convenient to take out, comprises filter frame 1, lower end filter screen 2, lower end hook 3, upper end filter screen 4, upper end hook 5, draw ring sleeve pipe 6, tab lever 7, draw ring 8, drag hook sleeve pipe 9, drag hook bar 10, drag hook 11;
Wherein: filter frame 1 is cylinder ring network structure; Lower end filter screen 2 is cone structure, and cone bottom is connected with the bottom of filter frame 1, and the vertex of a cone of lower end filter screen 2 is connected with two the lower end hooks 3 arranged by 180 °; Upper end filter screen 4 is cone structure, and cone bottom is connected with the top of filter frame 1, and the vertex of a cone of upper end filter screen 4 is connected with by 180 ° of upper end hooks 5 of two of arranging;
Tab lever 7 pierces in draw ring sleeve pipe 6, tab lever 7 stretch out one end with resilient detents 8, the lateral dimension of draw ring 8 is greater than the internal diameter of draw ring sleeve pipe 6;
Drag hook bar 10 pierces into drag hook sleeve pipe 9, drag hook bar 10 stretch out one end with drag hook 11, the lateral dimension of drag hook 11 is greater than the internal diameter of drag hook sleeve pipe 9.
The circular cone drift angle of described lower end filter screen 2 is less than 70 °.
The circular cone drift angle of described upper end filter screen 4 is less than 90 °.
Vena cava filter described in the utility model, during use, once vena cava filter offsets, top or bottom is caused to press close to blood vessel wall, bottom or top, necessarily have the hook of side to be in the position that can be suspended to simultaneously, goes to adjust position by drag hook 11, hung up the lower end hook 3 of vena cava filter by draw ring 8, realize pull-out.
Claims (3)
1. be convenient to the vena cava filter assembly taken out, it is characterized in that: the described vena cava filter assembly being convenient to take out, comprises filter frame (1), lower end filter screen (2), lower end hook (3), upper end filter screen (4), upper end hook (5), draw ring sleeve pipe (6), tab lever (7), draw ring (8), drag hook sleeve pipe (9), drag hook bar (10), drag hook (11);
Wherein: filter frame (1) is cylinder ring network structure; Lower end filter screen (2) is cone structure, and cone bottom is connected with the bottom of filter frame (1), and the vertex of a cone of lower end filter screen (2) is connected with two lower end hooks (3) of arranging by 180 °; Upper end filter screen (4) is cone structure, and cone bottom is connected with the top of filter frame (1), and the vertex of a cone of upper end filter screen (4) is connected with by 180 ° of upper end hooks (5) of two of arranging;
Tab lever (7) pierces in draw ring sleeve pipe (6), tab lever (7) stretch out one end with resilient detents (8), the lateral dimension of draw ring (8) is greater than the internal diameter of draw ring sleeve pipe (6);
Drag hook bar (10) pierces into drag hook sleeve pipe (9), drag hook bar (10) stretch out one end with drag hook (11), the lateral dimension of drag hook (11) is greater than the internal diameter of drag hook sleeve pipe (9).
2., according to the vena cava filter assembly being convenient to take out according to claim 1, it is characterized in that: the circular cone drift angle of described lower end filter screen (2) is less than 70 °.
3., according to the vena cava filter assembly being convenient to take out according to claim 1, it is characterized in that: the circular cone drift angle of described upper end filter screen (4) is less than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865062.4U CN204394741U (en) | 2014-12-29 | 2014-12-29 | A kind of vena cava filter assembly being convenient to take out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865062.4U CN204394741U (en) | 2014-12-29 | 2014-12-29 | A kind of vena cava filter assembly being convenient to take out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204394741U true CN204394741U (en) | 2015-06-17 |
Family
ID=53418650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865062.4U Expired - Fee Related CN204394741U (en) | 2014-12-29 | 2014-12-29 | A kind of vena cava filter assembly being convenient to take out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204394741U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105213065A (en) * | 2015-10-15 | 2016-01-06 | 先健科技(深圳)有限公司 | Filter |
| WO2020062330A1 (en) * | 2018-09-26 | 2020-04-02 | 李雷 | Inferior vena cava embolism filter |
-
2014
- 2014-12-29 CN CN201420865062.4U patent/CN204394741U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105213065A (en) * | 2015-10-15 | 2016-01-06 | 先健科技(深圳)有限公司 | Filter |
| WO2017063371A1 (en) * | 2015-10-15 | 2017-04-20 | 先健科技(深圳)有限公司 | Filter |
| CN105213065B (en) * | 2015-10-15 | 2019-12-13 | 先健科技(深圳)有限公司 | Filter device |
| WO2020062330A1 (en) * | 2018-09-26 | 2020-04-02 | 李雷 | Inferior vena cava embolism filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |