CN207768563U - A kind of retrievable vena cava filter of two-way tape recovering hook - Google Patents
A kind of retrievable vena cava filter of two-way tape recovering hook Download PDFInfo
- Publication number
- CN207768563U CN207768563U CN201720727240.0U CN201720727240U CN207768563U CN 207768563 U CN207768563 U CN 207768563U CN 201720727240 U CN201720727240 U CN 201720727240U CN 207768563 U CN207768563 U CN 207768563U
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- CN
- China
- Prior art keywords
- filter
- rod section
- hook
- recovering hook
- vena cava
- 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
The utility model is related to a kind of retrievable vena cava filters of two-way tape recovering hook, including filter stand and strainer, filter stand includes bend fixing in upper and lower and middle rod section four filter rods, there are four strainer is set, it is socketed in the upper rod section and intermediate pole segments of four filter rods respectively, four equal lower ends of strainer are wound with a lasso, it is socketed on middle rod section, the top of four filter rods and four strainers is the upper rod section not being connected with each other, recovering hook is mounted on upper rod section, it is the first recovering hook, the lower section of four filter rods is the lower rod section not being connected with each other, another recovering hook is mounted on lower rod section, it is the second recovering hook, the lower rod section of four filter rods is mounted in second recovering hook；The utility model structure is more reasonable, using flexible, forms rational framework shape and carries two-way recovering hook, is easily implantable internal vena cave, and can intercept thrombus prevents pulmonary embolism, and positioning is reliable, convenient for taking out.
Description
Technical field
The utility model is related to intervene medical equipment, the more particularly to recyclable vena cave filter of a kind of two-way tape recovering hook
Device.
Background technology
Treatment for venous thronbosis, traditional method are to lie up, lifting affected limb, anticoagulant therapy, but are difficult
The generation of rare pulmonary infarction or vein gangrene is prevented, and 60% patient moderate or severe veins of lower extremity occurs at last in long term
Cholestatic lesion.Therefore, non-operative treatment or Operative thrombectomy can be used in venous thronbosis, for symptoms are mild, peripheral
Venous thronbosis or the course of disease are more than that 2 weeks persons intend thromboembolism treatment；And to serious symptom, in addition occur phlegmasia cerulea dolens patient it is more
Need operative treatment.
It lies up and lies up 1~2 week with lifting affected limb, make thrombus close adhesion in tunica intima of vein, mitigate part pain
Bitterly, inflammatory reaction is promoted to subside.During this period, avoid firmly defecation lead to pulmonary embolism to prevent thrombus breaks loose.Limb elevation needs height
In heart level, about from 20~30cm of bed, slightly buckling position is placed at knee joint.Start out-of-bed activity when, need to wear stretch socks or
With Elastic bandage, superficial vein is moderately oppressed, and maintain the vein pressure of bottom line, edema of lower extremity is prevented to develop.With Jie
The intervention material of the development of interventional radiology and operating technology maturation and constantly improve, such as inferior vena cava filter take bolt pipe, branch
The application in vascular surgery such as frame and dilating sacculus so that vein embolectomy wound range is smaller and smaller.
Then, each producer is constantly proposed more money vena cava filters, and in addition to the material of production filter is different, shape is also each
It is different, and can be recycled according to filter and can be divided into permanent filter and provisional filter.Have at present in clinically used filter
Greenfield stainless steels filter, Greenfield titanium alloys filter, Bird ' s nest Bird's Nests filter, Vena Tech filters,
Simon Ultimum Ti filters etc., these filters are permanent filter.It is needed for preventative merging filter, in recent years
The recyclable filter released, has also been applied to clinic, but, these recyclable filters do not close very well since structure is fixed
Reason uses strainer and filter rod structure so that filter can not use well.
Utility model content
The utility model in order to solve problems in the prior art, provides that a kind of structure is more reasonable, and use is more flexible,
Rational framework shape is formed, two-way recycling and thrombus can be intercepted and prevents pulmonary embolism, positioning is reliable, double convenient for what is taken out
To the retrievable vena cava filter with recovering hook.
The specific technical solution of the utility model is as follows：A kind of retrievable vena cava filter of two-way tape recovering hook, including
Filter stand and strainer, the filter stand include bend fixing in there are four up and down and four filter rods of middle rod section, the strainer is set, point
It is not socketed in the upper rod section and middle rod section of four filter rods, the equal lower end of four strainers is wound with a lasso, is socketed in middle rod section
On, the top of four filter rods and four strainers is the upper rod section not being connected with each other, is mounted with recovering hook on upper rod section, is
The lower section of first recovering hook, four filter rods is the lower rod section not being connected with each other, and another recovering hook is mounted on lower rod section,
For the second recovering hook, the lower end rod segment of four filter rods is mounted in second recovering hook；
First recovering hook includes hook column and the first coupler body for being welded on hook column, and first coupler body is internally provided with one
Head clamp, the head clamp are equipped with four groups of clamping columns for being equipped with card hole, and the described four groups clamping columns for being equipped with card hole distinguish clasp joint
The upper rod section that four filter rods and strainer are equipped with.
It is the attached technical scheme of the utility model below.
Preferably, it is equipped with a hangnail on the equal lower rod section of four filter rods.
Preferably, it is equipped in second recovering hook and has round-meshed snap-gauge, the bottom bar of four filter rods
Section is welded on circular hole.
Preferably, there are four the circular hole is set, it is respectively provided at the left-right and front-back end of snap-gauge.
Preferably, it is additionally provided with the second coupler body on second recovering hook.
Preferably, it is equipped with fixture block on first coupler body and the second coupler body.
Preferably, described four groups be equipped with card hole clamping column, every group set there are two, be respectively provided at head clamp
Front and back end and left and right end.
Preferably, the card hole is located at clamping column centre position.
The technique effect of the utility model：Filter screen in the utility model by equipped with lasso be socketed in bar in filter rod
Duan Shang forms reticular structure according to the usage requirement so that in the case where discharging unfolded state so that strainer meets blood vessel and patch
In the hangnail that vascular wall, the filter rod lower rod section are equipped with so that the filter is anchored on blood vessel, and first that upper and lower side is equipped with
With the second recovering hook sound construction, and the fixed structure of strainer and filter rod is reasonably arranged so that it is more firmly fixed
On the first and second recovering hooks, and the card column that is equipped with of the first recovering hook can consolidate the upper rod section of strainer and filter rod by hook well, anti-
Only unexpected to fall off, the filter constructions are more reasonable, and use is more flexible, form rational framework shape and carry two-way recovering hook,
It is easily implantable internal vena cave, can intercept thrombus prevents pulmonary embolism, and positioning is reliable, easy to operate convenient for taking out.
Description of the drawings
Fig. 1 is the schematic diagram of the retrievable vena cava filter of the utility model two-way tape recovering hook.
Fig. 2 is the structural schematic diagram of the first recovering hook of the utility model.
Fig. 3 is the structural schematic diagram of the second recovering hook of the utility model.
In figure：Filter stand 1, filter rod 2, upper rod section 21, lower rod section 22, middle rod section 23, barb 24, strainer 3, lasso 31, first
Recovering hook 4, hook column 41, the first coupler body 42, head clamp 43, clamping column 44, card hole 45, the second recovering hook 5, snap-gauge 51, circular hole 52,
Second coupler body 53, fixture block 54.
Specific implementation mode
In the following, the substantive distinguishing features and advantage of the utility model are further described in conjunction with example, but this practicality is new
Type is not limited to listed embodiment.
As shown in Figure 1 to Figure 3, the retrievable vena cava filter of a kind of two-way tape recovering hook of the present embodiment, including filter stand 1
With strainer 3, the filter stand 1 includes that bend fixing is in upper rod section 21, four filter rods 2 of lower rod section 22 and middle rod section 23, the filter
There are four net 3 is set, it is socketed in the upper rod section 21 and middle rod section 23 of four filter rods 2 respectively, four strainers, the 3 equal lower end is wound with
One lasso 31, is socketed on middle rod section 23, which is diamond shape, and lasso is sleeved on middle rod section so that four filters
Strainer is expanded or shunk to net according to the usage requirement, shifting when for close to vascular wall is met, avoiding mobile, having simultaneously
There is the function of cutting thrombus, the top of four filter rods 2 and four strainers 3 is the upper rod section 21 not being connected with each other, upper rod section
It is mounted with recovering hook on 21, is the first recovering hook 4, for recycling filter use, the lower section of four filter rods 2 is recovering hook
The lower rod section 22 not being connected with each other is mounted with another recovering hook on lower rod section 22, is the second recovering hook 5, second recycling
The lower rod section 22 of four filter rods is mounted in hook 5；It is equipped with recovering hook at both ends and facilitates recycling filter.
First recovering hook 4 includes hook column 41 and the first coupler body 42 being welded on hook column 41, first coupler body 42
It is internally provided with a head clamp 43, the head clamp 43 is equipped with four groups of clamping columns 44 for being equipped with card hole, and described four groups are equipped with card hole
45 clamping column 44 distinguishes the upper rod section that four filter rods 2 of clasp joint and strainer 3 are equipped with.So that clamping column is reasonably distributed, it is convenient for
Connect four filter rods and strainer.
It is equipped with a hangnail 24 on the equal lower rod section of four filter rods 22.It can be so that the filter be anchored on blood vessel.
The snap-gauge 51 with circular hole 52 is equipped in second recovering hook 5, the lower rod section 22 of four filter rods 22 welds
On circular hole 52.Lower end for fixing four filter rods.
There are four the circular hole 52 is set, it is respectively provided at the left-right and front-back end of snap-gauge 51.So that four filter rods are consolidated
Positioning is set rationally, avoids moving.
It is additionally provided with the second coupler body 53 on second recovering hook 5, two-way recyclable hook is formd with the first recovering hook.
It is equipped with fixture block 54 on first coupler body and the second coupler body.The fixture block is structure as a whole with coupler body, convenient for hooking
Retracting device.
Described four groups be equipped with card hole 44 clamping columns 45, every group set there are two, be respectively provided at the front and back end of head clamp 43
With left and right end.The upper rod section that strainer and four filter rods are lived convenient for reasonable clasp joint, by rolling over strainer and four filter rod upper rod sections
Clasp joint is in card hole.
The card hole 44 is located at 45 centre position of clamping column, convenient for socket.
Based on the above-mentioned technical proposal, the utility model is in use, can wear and be connected on first filter screen and filter rod upper rod section
It in the head clamp that recovering hook is equipped with and is fixed in four groups of card columns of reasonable layout, the bending of the upper rod section of filter screen and filter rod is existed
In the card hole that card column is equipped with, and filter rod lower rod section is welded on the second recovering hook, when filter enters duct of Arantius, strainer root at this time
It is moved by lasso according to duct of Arantius to meet blood vessel, a hangnail is equipped on the equal lower end body of rod of four filter rods, it can be so that the filter
Device is anchored on blood vessel.
Filter screen in the utility model by equipped with lasso be socketed on filter rod middle rod section so that in release exhibition
Under open state, reticular structure is formed according to the usage requirement so that strainer meets blood vessel and is attached to vascular wall, the filter rod lower rod section
The hangnail being equipped with so that the filter is anchored on blood vessel, and the first and second recovering hook sound constructions that upper and lower side is equipped with,
And reasonably arranging the fixed structure of strainer and filter rod so that it is more securely fixed on the first and second recovering hooks,
And first the card column that is equipped with of recovering hook can consolidate the upper rod section of strainer and filter rod by hook well, prevent accident from falling off, the filter constructions
More reasonable, use is more flexible, forms rational framework shape and carries two-way recovering hook, is easily implantable internal vena cave, energy
Enough intercepting thrombus prevents pulmonary embolism, and positioning is reliable, easy to operate convenient for taking out.
It should be pointed out that above-mentioned preferred embodiment is only to illustrate the technical concepts and features of the utility model, purpose
It is the content for allowing person skilled in the art that can understand the utility model and implements according to this, this reality can not be limited with this
With novel protection domain.It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover in this reality
Within novel protection domain.
Claims (8)
1. a kind of retrievable vena cava filter of two-way tape recovering hook, including filter stand and strainer, which is characterized in that the filter stand packet
Bend fixing is included in up and down and four filter rods of middle rod section, there are four the strainer is set, is socketed in the upper of four filter rods respectively
Rod segment and middle rod section, the equal lower end of four strainers are wound with a lasso, are socketed on middle rod section, four filter rods and four
The top of strainer is the upper rod section not being connected with each other, and recovering hook is mounted on upper rod section, is the first recovering hook, four filters
The lower section of bar is the lower rod section not being connected with each other, and another recovering hook is mounted on lower rod section, be the second recovering hook, described second
The lower end rod segment of four filter rods is mounted in recovering hook；
First recovering hook includes hook column and the first coupler body for being welded on hook column, and first coupler body is internally provided with a clamping
Plate, the head clamp are equipped with four groups of clamping columns for being equipped with card hole, and the described four groups clamping columns for being equipped with card hole distinguish clasp joint four
The upper rod section that filter rod and strainer are equipped with.
2. the retrievable vena cava filter of two-way tape recovering hook as described in claim 1, which is characterized in that four filter rods
It is equipped with a hangnail on equal lower rod section.
3. the retrievable vena cava filter of two-way tape recovering hook as described in claim 1, which is characterized in that second recycling
It is equipped in hook and has round-meshed snap-gauge, the lower end rod segment of four filter rods is welded on circular hole.
4. the retrievable vena cava filter of two-way tape recovering hook as claimed in claim 3, which is characterized in that the circular hole is equipped with
Four, it is respectively provided at the left-right and front-back end of snap-gauge.
5. the retrievable vena cava filter of two-way tape recovering hook as claimed in claim 3, which is characterized in that second recycling
The second coupler body is additionally provided on hook.
6. the retrievable vena cava filter of two-way tape recovering hook as claimed in claim 5, which is characterized in that first coupler body
It is equipped with fixture block on the second coupler body.
7. the retrievable vena cava filter of two-way tape recovering hook as described in claim 1, which is characterized in that described four groups are equipped with
The clamping column of card hole, every group set there are two, be respectively provided at front and back end and the left and right end of head clamp.
8. the retrievable vena cava filter of two-way tape recovering hook as claimed in claim 7, which is characterized in that the card hole is located at
Clamping column centre position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727240.0U CN207768563U (en) | 2017-06-21 | 2017-06-21 | A kind of retrievable vena cava filter of two-way tape recovering hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727240.0U CN207768563U (en) | 2017-06-21 | 2017-06-21 | A kind of retrievable vena cava filter of two-way tape recovering hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207768563U true CN207768563U (en) | 2018-08-28 |
Family
ID=63218845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720727240.0U Expired - Fee Related CN207768563U (en) | 2017-06-21 | 2017-06-21 | A kind of retrievable vena cava filter of two-way tape recovering hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207768563U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388144A (en) * | 2020-04-17 | 2020-07-10 | 赵晓辉 | Easy-to-recycle intravascular stent |
| CN111388143A (en) * | 2020-04-17 | 2020-07-10 | 赵晓辉 | Intravascular stent with elastic energy storage section consisting of Z-shaped rings |
-
2017
- 2017-06-21 CN CN201720727240.0U patent/CN207768563U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388144A (en) * | 2020-04-17 | 2020-07-10 | 赵晓辉 | Easy-to-recycle intravascular stent |
| CN111388143A (en) * | 2020-04-17 | 2020-07-10 | 赵晓辉 | Intravascular stent with elastic energy storage section consisting of Z-shaped rings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20190621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |