CN207270413U - A kind of fixing bracket of vena cava filter - Google Patents
A kind of fixing bracket of vena cava filter Download PDFInfo
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- CN207270413U CN207270413U CN201720219948.5U CN201720219948U CN207270413U CN 207270413 U CN207270413 U CN 207270413U CN 201720219948 U CN201720219948 U CN 201720219948U CN 207270413 U CN207270413 U CN 207270413U
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- monofilament
- boundling
- termination
- positioning
- boundling termination
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Abstract
The utility model discloses a kind of fixing bracket of vena cava filter, and filter screen and positioning mobile jib are equipped between the first boundling termination and the second boundling termination, and the second boundling termination is flexibly connected on the outer wall of positioning mobile jib；One end of first monofilament is fixed on the radial outer edge of the first boundling termination, and the other end of the first monofilament is fixed on the side wall of positioning secondary bar；First monofilament and the second monofilament are symmetrically distributed in the both ends of positioning secondary bar.The fixing bracket of this vena cava filter, the second boundling termination can be slided on positioning mobile jib；When the second boundling termination is not being moved on positioning mobile jib, it is in straight line that first monofilament and the second monofilament, which are, after the second boundling termination stress is mobile on positioning mobile jib, it is umbrella after first monofilament and the expansion of the second monofilament, hangnail in positioning secondary bar can be pierced in the blood vessels on wall, when needing to remove, recover is connected to the positioning mobile jib on the second boundling termination, additional injuries, reclaimer operation will not be caused simple blood vessel.
Description
Technical field
The field of medical instrument technology is the utility model is related to, is specially a kind of fixing bracket of vena cava filter.
Background technology
Pulmonary embolism refers to endogenous or exogenous embolus blocks pulmonary artery or its branch causes facing for disturbance of pulmonary circulation
Bed and pathologic, physiologic syndrome.Wherein main, most common species is pulmonary embolism, further includes other with lung thrombus
Property embolic infarction be the cause of disease type, such as fat embolism, amniotic fluid embolism, air embolism, foreign matter embolism and tumor embolism.Pulmonary artery
Empsyxis occurs after embolism or bad the dead claims pulmonary infarction.Originating from pulmonary artery original position, person claims pulmonary thrombosis to be formed.Market uploads
The vena cava filter of system exist insert after blood vessel position is mobile, recycling is difficult, recycling when easily cause blood vessel damage, collect blood
The problems such as bolt is not thorough, thrombus is left.In terms of the manufacturing, the traditional vena cava filter of in the market uses double end boundling mostly
Design so that produce required niti-shaped memorial alloy pipe length length, difficulty of shaping partially, cause production cost excessive.
Utility model content
The purpose of this utility model is to provide a kind of fixing bracket of vena cava filter, possess easily in the blood vessels on wall
The advantages of not causing additional injuries to blood vessel during fixed and recycling, solves problem of the prior art.
To achieve the above object, the utility model provides following technical solution：A kind of fixing bracket of vena cava filter, bag
The first boundling termination and the second boundling termination are included, filter screen is equipped between the first boundling termination and the second boundling termination and is determined
Position mobile jib, the top circle centre position for positioning one end through the first boundling termination of mobile jib are extended in the first boundling termination, positioning master
The end of bar is fixed in the first boundling termination, and the other end for positioning mobile jib passes through the bottom circle centre position of the second boundling termination, the
Two boundling terminations are flexibly connected on the outer wall of positioning mobile jib；The filter screen is by positioning secondary bar, the first monofilament and the second monofilament
Composition, one end of the first monofilament are fixed on the radial outer edge of the first boundling termination, and the other end of the first monofilament is fixed on positioning pair
On the side wall of bar；The side wall of one end of second monofilament through the second boundling termination is extended in the second boundling termination, and second
The junction of monofilament and the second boundling termination is filled with adhesive, and the other end of the second monofilament is fixed on the opposite side of positioning secondary bar
On wall, the first monofilament and the second monofilament are symmetrically distributed in the both ends for positioning secondary bar.
Preferably, the first boundling termination, the second boundling termination and filter screen use niti-shaped memorial alloy system
Into.
Preferably, first monofilament and the second monofilament are circumferentially around the outside of mobile jib is being positioned, and positioning secondary bar is same
In one plane.
Preferably, the first boundling termination is identical with the diameter of the second boundling termination, the first boundling termination and the second collection
The length of Shu Duantou is identical.
Preferably, the quantity of the positioning secondary bar is even number, positions and hangnail is fixedly connected with the outer wall of secondary bar, hangnail
The first boundling termination of opening direction.
Compared with prior art, the beneficial effects of the utility model are as follows：
The fixing bracket of this vena cava filter, the second boundling termination can be slided on positioning mobile jib；Positioning secondary bar causes the
Arc deformation only can outwards occur for one monofilament and the second monofilament；When the second boundling termination is not being moved on positioning mobile jib, first
It is in straight line that monofilament and the second monofilament, which are, after the second boundling termination stress is mobile on positioning mobile jib, the first monofilament with
It is umbrella after the expansion of second monofilament, the hangnail positioned in secondary bar can be pierced in the blood vessels on wall, it is necessary to when removing, and recover is connected
Positioning mobile jib on the second boundling termination so that hangnail is easily separated from blood vessel, will not cause additionally to damage to blood vessel
Wound, reclaimer operation are simple.
Brief description of the drawings
Fig. 1 is the overall structure figure of the utility model；
Fig. 2 is the filter screen unfolding assumption diagram of the utility model；
Fig. 3 is the second boundling end portion profile of the utility model.
In figure：1 first boundling termination, 2 second boundling terminations, 3 filter screens, 31 positioning secondary bars, 32 first monofilament, 33 second
Monofilament, 4 positioning mobile jibs, 5 adhesives.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-3, a kind of fixing bracket of vena cava filter, including the first boundling termination 1 and the second boundling termination
2, the first boundling termination 1 is identical with the diameter of the second boundling termination 2, the length phase of the first boundling termination 1 and the second boundling termination 2
Together, the first boundling termination 1 and the second boundling termination 2 are used to fixing filter screen 3, the first boundling termination 1 and the second boundling termination 2 it
Between be equipped with filter screen 3 and positioning mobile jib 4, the first boundling termination 1, the second boundling termination 2 and filter screen 3 using NiTi shape remember
Recall alloy to be made, laser engraving, sandblasting, cleaning, heat treatment shaping, Laser Welding are carried out by niti-shaped memorial alloy tubing successively
Connect, be fabricated after the technique such as electrochemical polish, the top circle centre position of one end through the first boundling termination 1 of positioning mobile jib 4 prolongs
Extend in the first boundling termination 1, the end of positioning mobile jib 4 is fixed in the first boundling termination 1, and the first boundling termination 1 is fixed on
Position on mobile jib 4, the other end of positioning mobile jib 4 passes through the bottom circle centre position of the second boundling termination 2, and the second boundling termination 2 is fixed
It is flexibly connected on the outer wall of position mobile jib 4, the second boundling termination 2 can be slided on positioning mobile jib 4；Filter screen 3 by positioning secondary bar 31,
First monofilament 32 and the second monofilament 33 form, and one end of the first monofilament 32 is fixed on the radial outer edge of the first boundling termination 1, and first
Monofilament 32 can be deformed upon outwards when being squeezed, and the other end of the first monofilament 32 is fixed on the side wall of positioning secondary bar 31,
Positioning secondary bar 31 is so that arc deformation outwards occurs for 32 meetings of the first monofilament；One end of second monofilament 33 passes through the second boundling termination
2 side wall is extended in the second boundling termination 2, and the junction of the second monofilament 33 and the second boundling termination 2 is filled with adhesive 5,
Adhesive 5 so that the second monofilament 33 be equally fixed on the second boundling termination 2, when the second boundling termination 2 positioning mobile jib 4 on not
When mobile, the first monofilament 32 and the second monofilament 33 are in simply straight line, in 2 stress of the second boundling termination on positioning mobile jib 4
After movement, curved metal silk, the first monofilament 32 and the second monofilament 33 are formed after the first monofilament 32 and the extruding of 33 stress of the second monofilament
Circumferentially around in the outside of positioning mobile jib 4, at grade, the first monofilament 32 and the second monofilament 33 are unfolded positioning secondary bar 31
It is umbrella afterwards, the other end of the second monofilament 33 is fixed on another side wall of positioning secondary bar 31, the first monofilament 32 and the second monofilament
33 are symmetrically distributed in the both ends of positioning secondary bar 31, and the quantity of positioning secondary bar 31 is even number, position fixed on the outer wall of secondary bar 31 connect
Hangnail is connected to, the opening of hangnail is towards the first boundling termination 1, since the first monofilament 32 and the second monofilament 33 expand into arc knot
Structure, is positioning maximum of the secondary bar 31 in 33 diameter of the first monofilament 32 and the second monofilament, the hangnail positioned in secondary bar 31 can pierce
On blood vessel, it is necessary to when removing, recover is connected to the positioning mobile jib 4 on the second boundling termination 2 so that hangnail easily takes off
From blood vessel, additional injuries, reclaimer operation will not be caused simple blood vessel.
In summary：The fixing bracket of this vena cava filter, the second boundling termination 2 can be slided on positioning mobile jib 4；Positioning
Secondary bar 31 is so that arc deformation outwards occurs for 33 meetings of the first monofilament 32 and the second monofilament；When the second boundling termination 2 is led in positioning
When not moved on bar 4, the first monofilament 32 and the second monofilament 33 are in simply straight line, and in the second boundling termination, 2 stress is positioning
It is umbrella after the first monofilament 32 and the expansion of the second monofilament 33, the hangnail positioned in secondary bar 31 can be pierced in blood vessel on mobile jib 4 after movement
On inner wall, it is necessary to when removing, recover is connected to the positioning mobile jib 4 on the second boundling termination 2 so that hangnail is easily separated from blood
Inside pipe wall, will not cause additional injuries, reclaimer operation simple blood vessel.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of fixing bracket of vena cava filter, including the first boundling termination (1) and the second boundling termination (2), its feature exist
In：Filter screen (3) and positioning mobile jib (4), positioning master are equipped between the first boundling termination (1) and the second boundling termination (2)
The top circle centre position of one end of bar (4) through the first boundling termination (1) is extended in the first boundling termination (1), positioning mobile jib (4)
End be fixed in the first boundling termination (1), the bottom of the other end through the second boundling termination (2) of positioning mobile jib (4) is justified
At the heart, the second boundling termination (2) is flexibly connected on the outer wall of positioning mobile jib (4)；The filter screen (3) is by positioning secondary bar
(31), the first monofilament (32) and the second monofilament (33) composition, one end of the first monofilament (32) is fixed on the first boundling termination (1)
Radial outer edge, the other end of the first monofilament (32) are fixed on the side wall of positioning secondary bar (31)；The one of second monofilament (33)
The side wall through the second boundling termination (2) is held to extend in the second boundling termination (2), the second monofilament (33) and the second boundling termination
(2) junction is filled with adhesive (5), and the other end of the second monofilament (33) is fixed on another side wall of positioning secondary bar (31)
On, the first monofilament (32) and the second monofilament (33) are symmetrically distributed in the both ends for positioning secondary bar (31).
A kind of 2. fixing bracket of vena cava filter according to claim 1, it is characterised in that：The first boundling termination
(1), the second boundling termination (2) and filter screen (3) are made of niti-shaped memorial alloy.
A kind of 3. fixing bracket of vena cava filter according to claim 1, it is characterised in that：First monofilament (32)
With the second monofilament (33) circumferentially around the outside of mobile jib (4) is being positioned, positioning secondary bar (31) is at grade.
A kind of 4. fixing bracket of vena cava filter according to claim 1, it is characterised in that：The first boundling termination
(1) identical with the diameter of the second boundling termination (2), the first boundling termination (1) is identical with the length of the second boundling termination (2).
A kind of 5. fixing bracket of vena cava filter according to claim 1, it is characterised in that：The positioning secondary bar (31)
Quantity be even number, be fixedly connected with hangnail on the outer wall of positioning secondary bar (31), the opening of hangnail is towards the first boundling termination
(1)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720219948.5U CN207270413U (en) | 2017-03-08 | 2017-03-08 | A kind of fixing bracket of vena cava filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720219948.5U CN207270413U (en) | 2017-03-08 | 2017-03-08 | A kind of fixing bracket of vena cava filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207270413U true CN207270413U (en) | 2018-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720219948.5U Active CN207270413U (en) | 2017-03-08 | 2017-03-08 | A kind of fixing bracket of vena cava filter |
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| CN (1) | CN207270413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199631A (en) * | 2018-09-26 | 2019-01-15 | 李雷 | Inferior caval vein embolism filter |
-
2017
- 2017-03-08 CN CN201720219948.5U patent/CN207270413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199631A (en) * | 2018-09-26 | 2019-01-15 | 李雷 | Inferior caval vein embolism filter |
| CN109199631B (en) * | 2018-09-26 | 2024-02-23 | 李雷 | Inferior vena cava embolic filter |
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