CN2486128Y - vena cava filter - Google Patents
vena cava filter Download PDFInfo
- Publication number
- CN2486128Y CN2486128Y CN 01248188 CN01248188U CN2486128Y CN 2486128 Y CN2486128 Y CN 2486128Y CN 01248188 CN01248188 CN 01248188 CN 01248188 U CN01248188 U CN 01248188U CN 2486128 Y CN2486128 Y CN 2486128Y
- Authority
- CN
- China
- Prior art keywords
- taking
- filter
- out hook
- hook
- 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
Links
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010047249 Venous thrombosis Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
A vena cava filter comprises a filtering part, a supporting part, a taking-out hook and the like, and is characterized in that a connecting ring is arranged at the root part of the taking-out hook, and a small ring is arranged at the end part of the filtering part and is arranged on the connecting ring of the taking-out hook in a penetrating way. The utility model has the advantages that the end part small ring of the filtering part is movably connected with the connecting ring of the taking-out hook, thereby reducing the resistance of the filtering part of the bracket to the supporting body, ensuring that the supporting body can keep enough tension to the pipe wall, being convenient for cleaning the inner side of the connecting part of the filtering part and the taking-out hook, improving the reliability of positioning because the pipe wall can keep contacting with the cylindrical surface, and being more convenient for taking out the filter because the taking-out hook is always kept at the central position of the pipe wall.
Description
This utility model belongs to a kind of intervention medical device, particularly a kind of vena cava filter.
Vena cava filter (hereinafter to be referred as filter) is a kind of interventional therapy equipment that is specifically designed to mortality lung infraction due to the prevention venous thrombosis.Since sixties Mo, the first filter came out, existing both at home and abroad tens kinds of products were widely used in clinical.But the most practical a kind of be " support rack type filter " (patent No. is 99225283.0), can be through the temporary transient placement filter of subcutaneous taking-up, this filter has overcome the IVC stenosis due to the permanent filter or the shortcoming of obstruction, but it still has the following disadvantages, as: it comprises by 1, because end construction, and its inside can't clean up.2, filtration fraction has certain resistance to supporter, so supporter is tapered to the contact shape of tube wall, rather than the face of cylinder, and localized reliability is relatively poor.3, because supporter is tapered, relatively poor to the reliability of positioning of tube wall, so hook taking is in the center of tube wall, the taking-up of inconvenient filter.
The purpose of this utility model provides a kind of filter, be convenient to the inboard of cleaning filter end, reduce the resistance of filtration fraction to supporter, make and support the enough tension force of physical ability maintenance tube wall, with can keep contacting to tube wall with the face of cylinder, improve localized reliability, make hook taking be positioned at the center of tube wall simultaneously, be convenient to filter and take out.
The purpose of this utility model is achieved in that it comprises filter house, supporter and taking-up hook etc., is characterized in that: the root that takes out hook is provided with connecting ring, and the filter house end is provided with little ring and is installed on the connecting ring that takes out hook.
The utility model has the advantages that: because the little ring in end of filter house is to flexibly connect with taking out the hook connecting ring, thereby reduced the resistance of filter filtration fraction to supporter, make and support the enough tension force of physical ability maintenance tube wall, be convenient to clean filter house simultaneously and take out the be connected inboard at position of hook, can keep contacting because of tube wall again with the face of cylinder, improved localized reliability, and remained the center that is positioned at tube wall owing to take out hook, the filter of being more convenient for takes out.
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the connection diagram of taking out hook and filter house.
Fig. 4 is filter house and supporter connection diagram.
See Fig. 1-4, concrete structure of the present utility model is as follows: each steel wire of the tip of filter house 2 is provided with little ring 7, and the root that takes out hook 1 is provided with a coupling ring 6, and the little ring 7 of filter house 2 is sleeved on the coupling ring 6.Filter house 2 is horn-like, and the filter house open end also is provided with little ring 5, and is connected with several little rings 4 of supporter 3, constitutes filter integral body.
Claims (1)
1, a kind of vena cava filter, it comprises filter house, supporter and taking-up hook etc., it is characterized in that: the root that takes out hook is provided with connecting ring, and the end of filter house is provided with little ring and is installed on the connecting ring that takes out hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01248188 CN2486128Y (en) | 2001-06-13 | 2001-06-13 | vena cava filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01248188 CN2486128Y (en) | 2001-06-13 | 2001-06-13 | vena cava filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2486128Y true CN2486128Y (en) | 2002-04-17 |
Family
ID=33658894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01248188 Expired - Fee Related CN2486128Y (en) | 2001-06-13 | 2001-06-13 | vena cava filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2486128Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384389C (en) * | 2003-12-30 | 2008-04-30 | 徐林 | Self-retracting antiskid thorn-shaped filter |
| CN102824229A (en) * | 2012-09-20 | 2012-12-19 | 上海市第六人民医院 | Removal-free temporary vena cava filter and manufacture method thereof |
| CN103027763A (en) * | 2012-11-16 | 2013-04-10 | 北京泰杰伟业科技有限公司 | Vena cava filter coated with macromolecular coating and preparation method for macromolecular coating |
| CN109966033A (en) * | 2017-12-28 | 2019-07-05 | 先健科技(深圳)有限公司 | Intraluminal stent |
-
2001
- 2001-06-13 CN CN 01248188 patent/CN2486128Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384389C (en) * | 2003-12-30 | 2008-04-30 | 徐林 | Self-retracting antiskid thorn-shaped filter |
| CN102824229A (en) * | 2012-09-20 | 2012-12-19 | 上海市第六人民医院 | Removal-free temporary vena cava filter and manufacture method thereof |
| CN103027763A (en) * | 2012-11-16 | 2013-04-10 | 北京泰杰伟业科技有限公司 | Vena cava filter coated with macromolecular coating and preparation method for macromolecular coating |
| CN109966033A (en) * | 2017-12-28 | 2019-07-05 | 先健科技(深圳)有限公司 | Intraluminal stent |
| CN109966033B (en) * | 2017-12-28 | 2022-05-20 | 先健科技(深圳)有限公司 | Lumen stent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |