CN110037826A - A kind of vena cava filter unidirectionally passed in and out - Google Patents
A kind of vena cava filter unidirectionally passed in and out Download PDFInfo
- Publication number
- CN110037826A CN110037826A CN201910407123.XA CN201910407123A CN110037826A CN 110037826 A CN110037826 A CN 110037826A CN 201910407123 A CN201910407123 A CN 201910407123A CN 110037826 A CN110037826 A CN 110037826A
- Authority
- CN
- China
- Prior art keywords
- type support
- support rod
- vena cava
- casing
- cava filter
- 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.)
- Pending
Links
- 238000004064 recycling Methods 0.000 claims abstract description 17
- 206010058109 Hangnail Diseases 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 6
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 4
- 230000002792 vascular Effects 0.000 abstract description 10
- 208000007536 Thrombosis Diseases 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 208000010378 Pulmonary Embolism Diseases 0.000 description 1
- 208000006193 Pulmonary infarction Diseases 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 230000002390 hyperplastic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000007575 pulmonary infarction Effects 0.000 description 1
- 230000008010 sperm capacitation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2002/016—Filters implantable into blood vessels made from wire-like elements
Abstract
The present invention provides a kind of vena cava filter unidirectionally passed in and out, including recycling hook, casing, V-type support rod, and the recycling hook, casing, V-type support rod bending and molding, the corner of V-type support rod is welded with hangnail.The present invention contacts support with vascular tissue by hangnail, it is effectively reduced contact area, the damage caused by vascular tissue can be effectively reduced when needing to recycle, also mitigates the pain of patient, simultaneously by the double-deck setting of V-type support rod, the capture effect to thrombus is improved.
Description
Technical field
It is floating in specifically a kind of recyclable filter chamber venous system the present invention relates to a kind of cardiovascular system medical instrument
Swim thrombus, the Caval vein thrombus filter that prevention pulmonary embolism, pulmonary infarction occur.
Background technique
Venous filter can be recycled in the lantern-shaped occurred currently on the market, and product is by 6-8 root NiTi bar in the blood vessel
Support has good stability, but the hyperplastic tissue of blood vessel can be fully wrapped around firmly lateral NiTi support rod, in the later period
Biggish wound can be caused when recycling to patient.
Summary of the invention
Aiming at the shortcomings of the prior art, the present invention provides a kind of vena cava filter unidirectionally passed in and out.
To achieve the goals above, the technical solution used in the present invention is: including recycling hook, casing, V-type support
Bar, the recycling hook, casing, V-type support rod bending and molding, the corner of V-type support rod is welded with hangnail.
Further, the recycling hook, casing, V-type support rod and hangnail are made of Nitinol, and performance is steady
It is fixed.
Further, the V-type support rod is eight, and V-type support rod and recycling hook pass through casing riveting
Connection.
Further, the V-type support rod, wherein there is the bending o'clock of four V-type support rods flat at one
Face, in addition in a plane, the angle that V-type support rod is fully expanded is 105 degree for the bending of four V-type support rods o'clock, is surrounded
Recycling hook in 360 degree etc. points of arrangements, by the setting of V-type support rod, realize double medium filtration, caught with good thrombus
Capacitation power.
Beneficial effects of the present invention: the present invention contacts support with vascular tissue by hangnail, is effectively reduced contact surface
Product, the damage caused by vascular tissue can be effectively reduced when needing to recycle, also mitigates the pain of patient, while passing through V
The double-deck setting of type support rod, improves the capture effect to thrombus.
Detailed description of the invention
Fig. 1 is the overall structure diagram of this example.
Fig. 2 is the overall structure bottom view schematic diagram of this example.
Fig. 3 is the overall structure front view schematic diagram of this example.
Specific embodiment
As shown in Figure 1-Figure 3, the present invention provides the vena cava filter that one kind unidirectionally passes in and out, structure includes recycling hook
1, casing 2, V-type support rod 3 and hangnail 4.It is by Nitinol that 1, casing 2, V-type support rod 3, hangnail 4 are linked up in the recycling
Silk bending and molding, stability is strong, and hangnail 4 at the bending point of V-type support rod 2, is placed into through laser welding when by the present invention
When intravascular, support can be contacted with vascular tissue by hangnail 4, be effectively reduced the contact area of the present invention with vascular tissue,
Through this structure, can be use up when recycling it is few vascular tissue is damaged, also can be reduced because vascular tissue tearing due to patient is made
At pain；V-type support rod 2 is connected with recycling hook 1 by 2 riveting of Nitinol casing, and V-type support rod 2 can be with casing 2
Axle center is expanded, is shunk, and V-type support rod is eight, wherein having the bending o'clock of four V-type support rods in a plane, in addition
In a plane, the angle that V-type support rod is fully expanded is 105 degree for the bending o'clock of four V-type support rods, is hung around recycling
Hook, by the setting of V-type support rod, realizes double medium filtration in 360 degree etc. points of arrangements, has good thrombus capture ability.
Beneficial effects of the present invention: the present invention contacts support with vascular tissue by hangnail, is effectively reduced contact surface
Product, the damage caused by vascular tissue can be effectively reduced when needing to recycle, also mitigates the pain of patient, while passing through V
The double-deck setting of type support rod, improves the capture effect to thrombus.
Claims (4)
1. the vena cava filter that one kind unidirectionally passes in and out, including recycling hook, casing, V-type support rod, it is characterised in that: described time
Hook, casing, V-type support rod bending and molding are received, the corner of V-type support rod is welded with hangnail.
2. the vena cava filter that one kind as described in claim 1 unidirectionally passes in and out, it is characterised in that: the recycling is linked up with, covered
Pipe, V-type support rod and hangnail are made of Nitinol.
3. the vena cava filter that one kind as described in claim 1 unidirectionally passes in and out, it is characterised in that: the V-type support rod is
Eight, V-type support rod is connected with recycling hook by casing riveting.
4. the vena cava filter that one kind as claimed in claim 1 or 3 unidirectionally passes in and out, it is characterised in that: the V-type support
Bar, wherein have the bending o'clock of four V-type support rods in a plane, in addition the bending of four V-type support rods o'clock is in a plane,
The angle that V-type support rod is fully expanded is 105 degree, around recycling hook in 360 degree etc. points of arrangements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407123.XA CN110037826A (en) | 2019-05-16 | 2019-05-16 | A kind of vena cava filter unidirectionally passed in and out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407123.XA CN110037826A (en) | 2019-05-16 | 2019-05-16 | A kind of vena cava filter unidirectionally passed in and out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110037826A true CN110037826A (en) | 2019-07-23 |
Family
ID=67282256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910407123.XA Pending CN110037826A (en) | 2019-05-16 | 2019-05-16 | A kind of vena cava filter unidirectionally passed in and out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110037826A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234458A (en) * | 1990-06-15 | 1993-08-10 | Antheor | Filter device intended to prevent embolisms |
| US20160128820A1 (en) * | 2014-11-07 | 2016-05-12 | Cook Medical Technologies Llc | Double conical ivc filter |
| CN106901869A (en) * | 2017-03-31 | 2017-06-30 | 浙江归创医疗器械有限公司 | Venous filter |
| CN210228397U (en) * | 2019-05-16 | 2020-04-03 | 山西大医院（山西医学科学院） | Vena cava filter capable of achieving unidirectional access |
-
2019
- 2019-05-16 CN CN201910407123.XA patent/CN110037826A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234458A (en) * | 1990-06-15 | 1993-08-10 | Antheor | Filter device intended to prevent embolisms |
| US20160128820A1 (en) * | 2014-11-07 | 2016-05-12 | Cook Medical Technologies Llc | Double conical ivc filter |
| CN106901869A (en) * | 2017-03-31 | 2017-06-30 | 浙江归创医疗器械有限公司 | Venous filter |
| CN210228397U (en) * | 2019-05-16 | 2020-04-03 | 山西大医院（山西医学科学院） | Vena cava filter capable of achieving unidirectional access |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203841850U (en) | Withdrawable inferior vena cava filter | |
| CN105193521B (en) | A kind of retrievable vena cava filter with good adherence quality | |
| CN207562016U (en) | It is a kind of can self centering recyclable Caval vein thrombus filter | |
| CN106901869B (en) | Venous filter | |
| US9668850B2 (en) | Conical vena cava filter with jugular or femoral retrieval | |
| CN110037826A (en) | A kind of vena cava filter unidirectionally passed in and out | |
| CN210228397U (en) | Vena cava filter capable of achieving unidirectional access | |
| CN208611048U (en) | A kind of novel recoverable version vena cava filter | |
| CN210872239U (en) | Recoverable vena cava thrombus filter | |
| CN106725997B (en) | Vena cava filter and its production method | |
| CN106491239B (en) | Filter unit | |
| CN108403254A (en) | A kind of novel recoverable version vena cava filter | |
| CN206342563U (en) | A kind of self-inflated filter holder | |
| CN105520791A (en) | Novel retrievable vena cava thrombus filter | |
| CN210250164U (en) | Recoverable vena cava filter of double bracing type | |
| CN108283530A (en) | A kind of octopus type retrievable vena cava filter | |
| CN203001176U (en) | A recyclable intravascular stent-type filter | |
| CN202568530U (en) | Combining structure of double-releasing and double-taking vena cava filter and releasing system of double-releasing and double-taking vena cava filter | |
| CN209770586U (en) | Vena cava filter easy to recycle and having multi-layer spiral filter screen structure | |
| CN207949945U (en) | Filter | |
| CN213963766U (en) | Vena cava filter | |
| CN109953838B (en) | Filter device | |
| CN215307027U (en) | Vena cava filter | |
| CN211934424U (en) | Vena cava filter | |
| CN209574959U (en) | A kind of double-deck recyclable thrombus filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |