CN209574959U - A kind of double-deck recyclable thrombus filter - Google Patents
A kind of double-deck recyclable thrombus filter Download PDFInfo
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- CN209574959U CN209574959U CN201822009461.1U CN201822009461U CN209574959U CN 209574959 U CN209574959 U CN 209574959U CN 201822009461 U CN201822009461 U CN 201822009461U CN 209574959 U CN209574959 U CN 209574959U
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- support bar
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- hangnail
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Abstract
The utility model relates to a kind of a kind of double-deck recyclable thrombus filters of cardiovascular system, it is made of recycling hook, upper connector, upper support bar, hangnail, middle part connecting rod, lower connector, lower support bar, upper support bar is processed into two kinds of structures of vertical bar shape upper support bar and polyline shaped upper support bar, vertical bar shape upper support bar one end is connected with upper connector, and other end head end is machined with a hangnail；Bending structure in lower support bar processing radially.Product contain two layers of filter screen, can both ends support product prevent product one end tilt, improve product stability；The bending support rod and vertical bar shape support rod of product, can adjust automatically product with respect to vascular wall position, make product return in intravascular；The support rod and barb structure of differently curved shape are punctured prevented also from product, damage other organs of human body.Product opens shape monofilament structure support rod, can easily withdraw from from hook end side very much, the significant Implantation Time for extending product.
Description
Technical field
The utility model patent is related to a kind of cardiovascular system medical instrument, floats in specifically a kind of filter chamber venous system
Swim thrombus, the inferior vena cava thrombosis filter that prevention pulmonary embolism, pulmonary infarction occur.
Background technique
With being incremented by for Caval vein thrombus filter usage quantity in the market, produced after Caval vein thrombus filter implantation human body
The report that other tissues are stabbed in product appearance inclination, venous blood tube wall is also more and more.Product causes after there is inclination
Thrombus cannot effectively be filtered so that pulmonary embolism cannot be prevented, or even cause the recycling of product to link up with and wrapped by vascular wall hyperplastic tissue
It covers, reduces product in the intracorporal recycling window of people, so that product is needed Permanent implantation human body from recycling, or additional hand need to be taken
Art could recycle product, such as carry out vascular anatomy and take out product.
Summary of the invention
When to prevent patient using thrombus filter, appearance inclination in the blood vessels punctures, shortens Implantation Time even appearance
Unrenewable phenomenon, the utility model solution is: providing a kind of double-deck recyclable thrombus filter.The utility model packet
Containing upper layer and lower layer filter screen, upper level filter net contains vertical bar shape upper support bar and polyline shaped upper support bar, and lower layer's filter screen contains
There is interior bending lower support bar.Implant angle when two layers filter screen can be according to operation carry out itself adjustment, make during product returns
Inclination is prevented in intravascular.The upper lower support bar and barb structure of differently curved angle are punctured prevented also from product.
The utility model is by recycling hook, upper connector, upper support bar, hangnail, middle part connecting rod, lower connector, lower branch
Strut composition, recycling hook, upper connector, upper support bar, hangnail form the upper level filter net of the utility model, lower connector,
Lower support bar forms lower layer's filter screen of the utility model.
Hook, upper connector, upper support bar, hangnail are recycled by Nitinol pipe or stainless steel tube or other metal tubes through swashing
Light is integrally carved, and recycling hook is processed into containing 2 parallel openning shape hooks.
Upper support bar and lower support bar are processed into monofilament shape, and quantity is 3~12.Upper support bar is in 360 degree of equidistant rows
Column, one end are connected with upper connector, and the other end is in open shape structure.Lower support bar is in 360 degree of equidistant arrangement one end and lower connection
Pipe is connected, and the other end is in open shape structure.
Upper support bar is processed into two kinds of structures of vertical bar shape upper support bar and polyline shaped upper support bar, vertical bar shape upper support bar one
End is connected with upper connector, and other end head end is machined with a hangnail.
Polyline shaped upper support bar is made of upper section, middle section, lower section three parts, upper section and middle section, middle section and lower section junction
An obtuse angle is formed, lower section is bent inwardly.
Bending structure in lower support bar processing radially, interior bending lower support bar is by upper section, middle section, lower section three parts
Composition.
The outer diameter that above-mentioned vertical bar shape upper support bar hangnail end is formed, vertical bar consistent with the maximum outside diameter that lower support bar is formed
The length of shape upper support bar is 1~10mm longer than the chord length of polyline shaped upper support bar.
Above-mentioned upper support bar can also all process bending upper support bar in radially, and each bending upper support bar is by upper
Section, middle section, lower section three parts composition.Each bending upper support bar contains a hangnail, can also be spaced containing a hangnail, product hangnail point
Cloth is between upper section and middle section tie point and middle section and two tie points of lower section tie point, including is located at two tie point head ends.It produces
Product hangnail is distributed on the same plane of the vertical product longitudinal axis, also can be distributed in the Different Plane of the vertical product longitudinal axis.
Above-mentioned lower support bar also can be processed into vertical bar shape lower support bar and polyline shaped lower support bar, vertical bar shape lower support bar with
360 degree of equidistant arrangements, one end are connected with lower connector, and other end head end is machined with a hangnail.
Middle part connecting rod is process by the metal bars such as Nitinol, stainless steel, metal tube, through laser welding and above and below
Connecting tube is connected.
The effective benefit of the utility model is: product contain two layers of filter screen, can both ends support product prevent product one end from inclining
Tiltedly, product stability is improved；The double medium filtration web frame of product, second layer filter screen can also carry out thrombolysis operation in patient
When, the thrombus of capture first layer filter screen leakage improves the safety of product.The bending support rod and vertical bar shape of product support
Bar, can adjust automatically product with respect to vascular wall position, make product return in intravascular；The support rod and hangnail of differently curved shape
Structure is punctured prevented also from product, damages other organs of human body.Product opens shape monofilament structure support rod, in vivo by blood vessel
It after endometrial hyperplasia tissue cladding, can easily be withdrawn from from hook end side very much, thus when significantly extending the implantation of product in vivo
Between.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is another example structure schematic diagram of the utility model.
Fig. 3 is the top view of the utility model.
Specific embodiment
Below according to Figure of description, the utility model is described in further detail:
As described in Figure 1, the utility model links up with 1, upper connector 2, upper support bar 3, hangnail 4, middle part connecting rod by recycling
5, lower connector 6, lower support bar 7 form.Recycling hook 1, upper connector 2, upper support bar 3, hangnail 4 form the utility model
Upper level filter net, lower connector 6, lower support bar 7 form lower layer's filter screen of the utility model.
3 one end of upper support bar is connected with upper connector 2, and the other end is in open shape structure.7 one end of lower support bar and lower connection
Pipe 6 is connected, and the other end is in open shape structure.
Recycling hook 1, upper connector 2, upper support bar 3, hangnail 4 are by Nitinol pipe or stainless steel tube or other metal tubes
It is formed through laser engraving, recycling hook 1 is processed into containing 2 parallel openning shape hooks.
Upper support bar 3 is processed into 32 two kinds of structures of polyline shaped upper support bar 31 and vertical bar shape upper support bar, upper level filter net
Be containing 3 vertical bar shape upper support bars 32 it is preferential, 3 vertical bar shape upper support bars 32 are with 360 degree of equidistant arrangements, one end and upper connection
Pipe 2 is connected, and other end head end is machined with a hangnail 4.
Above-mentioned bending upper support bar 31 is made of upper section 311, middle section 312,313 three parts of lower section, upper section 311 and middle section
312, middle section 312 and 313 junction of lower section form an obtuse angle, and lower section 313 is bent inwardly.
Bending structure in the processing radially of lower support bar 7, bending lower support bar 7 is by upper section 71, middle section 72, lower section 73
Three parts composition.
The outer diameter that above-mentioned 32 hangnail end of vertical bar shape upper support bar is formed, it is consistent with the outer diameter that lower support bar 7 is formed.Vertical bar shape
The length of upper support bar 32 is 1~10mm longer than the chord length of polyline shaped upper support bar.
Middle part connecting rod 5 is process by the metal bars such as Nitinol, stainless steel, metal tube, through laser welding one end with
Upper connector 2 is connected, the other end is connected with lower connector 6.
As described in Figure 2, it is another example structure schematic diagram of the utility model, 1, upper connector 2, upper branch is linked up with by recycling
Strut 3, hangnail 4, middle part connecting rod 5, lower connector 6, lower support bar 7 form.Recycling hook 1, upper connector 2, upper support bar
3, hangnail 4 forms the upper level filter net of the utility model, and lower connector 6, lower support bar 7 form lower layer's filtering of the utility model
Net.Upper support bar 3 is bending upper support bar 33, and each bending upper support bar 33 is by upper section 331, middle section 332, lower section
333 three parts composition.Each bending upper support bar 33 contains a hangnail 4, can also be spaced containing a hangnail 4, product hangnail 4 is distributed in
Between upper section 331 and 332 tie point of middle section and middle section 332 and lower section 333 tie point, two tie points, including it is located at two tie points
Head end.Product hangnail 4 is distributed on the same plane of the vertical product longitudinal axis, also can be distributed in the Different Plane of the vertical product longitudinal axis
On.
The above, only the utility model representative instance are not used in the limitation present invention, all to change on the basis of the present invention
Into within the scope of the present invention with the example of extension.
Claims (9)
1. a kind of double-deck recyclable thrombus filter, by recycling hook, upper connector, upper support bar, hangnail, middle part connecting rod,
Lower connector, lower support bar composition, it is characterized in that recycling hook, upper connector, upper support bar, hangnail form upper level filter net,
Lower connector, lower support bar form lower layer's filter screen；Upper support bar is processed into vertical bar shape upper support bar and polyline shaped upper support bar
Two kinds of structures, vertical bar shape upper support bar one end are connected with upper connector, and other end head end is machined with a hangnail；Lower support bar processing
Radially interior bending structure.
2. a kind of double-deck recyclable thrombus filter according to claim 1, it is further characterized in that upper support bar and lower support
Bar is processed into monofilament shape, and quantity is 3~12；Upper support bar is in 360 degree of equidistant arrangements, and one end is connected with upper connector, separately
One end is in open shape structure；Lower support bar is connected in 360 degree of equidistant arrangement one end with lower connector, and the other end is in open shape knot
Structure.
3. a kind of double-deck recyclable thrombus filter according to claim 1, it is further characterized in that polyline shaped upper support bar by
Upper section, middle section, lower section three parts composition, upper section and middle section, middle section and lower section junction form an obtuse angle, and lower section is bent inwardly.
4. a kind of double-deck recyclable thrombus filter according to claim 1, it is further characterized in that lower support bar is processed into diameter
Curve inwardly shape structure, and interior bending lower support bar is made of upper section, middle section, lower section three parts.
5. a kind of double-deck recyclable thrombus filter according to claim 1, it is further characterized in that vertical bar shape upper support bar falls
The outer diameter that barbed end is formed, consistent with the maximum outside diameter that lower support bar is formed, the length of vertical bar shape upper support bar on polyline shaped than propping up
Long 1~the 10mm of the chord length of strut.
6. a kind of double-deck recyclable thrombus filter according to claim 1, it is further characterized in that upper support bar can also be whole
Bending upper support bar, each bending upper support bar are made of upper section, middle section, lower section three parts in processing radially.
7. a kind of double-deck recyclable thrombus filter according to claim 6, it is further characterized in that being supported on each bending
Bar contains a hangnail, can also be spaced containing a hangnail, and product hangnail is distributed in upper section and middle section tie point and middle section and lower section tie point
Between two tie points, including it is located at two tie point head ends.
8. a kind of double-deck recyclable thrombus filter according to claim 6, it is further characterized in that product hangnail be distributed in it is vertical
On the same plane of the straight product longitudinal axis, also it can be distributed in the Different Plane of the vertical product longitudinal axis.
9. a kind of double-deck recyclable thrombus filter according to claim 1, it is further characterized in that lower support bar also can be processed
At vertical bar shape lower support bar and polyline shaped lower support bar, vertical bar shape lower support bar is with 360 degree of equidistant arrangements, one end and lower connector
It is connected, other end head end is machined with a hangnail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822009461.1U CN209574959U (en) | 2018-12-03 | 2018-12-03 | A kind of double-deck recyclable thrombus filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822009461.1U CN209574959U (en) | 2018-12-03 | 2018-12-03 | A kind of double-deck recyclable thrombus filter |
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| Publication Number | Publication Date |
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| CN209574959U true CN209574959U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822009461.1U Active CN209574959U (en) | 2018-12-03 | 2018-12-03 | A kind of double-deck recyclable thrombus filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329618A (en) * | 2020-04-07 | 2020-06-26 | 上海善迪医疗科技有限公司 | Recoverable vein thrombus filter of M shape |
| CN112206072A (en) * | 2019-11-14 | 2021-01-12 | 上海宏普医疗器械有限公司 | But crooked thrombus filter equipment of self-adaptation blood vessel |
-
2018
- 2018-12-03 CN CN201822009461.1U patent/CN209574959U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206072A (en) * | 2019-11-14 | 2021-01-12 | 上海宏普医疗器械有限公司 | But crooked thrombus filter equipment of self-adaptation blood vessel |
| CN111329618A (en) * | 2020-04-07 | 2020-06-26 | 上海善迪医疗科技有限公司 | Recoverable vein thrombus filter of M shape |
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