CN105963047A - Novel retrievable vena cava thrombus multi-filtering device - Google Patents
Novel retrievable vena cava thrombus multi-filtering device Download PDFInfo
- Publication number
- CN105963047A CN105963047A CN201610126667.5A CN201610126667A CN105963047A CN 105963047 A CN105963047 A CN 105963047A CN 201610126667 A CN201610126667 A CN 201610126667A CN 105963047 A CN105963047 A CN 105963047A
- Authority
- CN
- China
- Prior art keywords
- product
- filter
- blood vessel
- thrombus
- filtering device
- 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
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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
Abstract
The invention provides a novel retrievable vena cava thrombus multi-filtering device. The multi-filtering device is composed of a retrieve hook, a connecting internal nut, a forked type filter screen, blood vessel fixing stabs, a sine wave filter screen, a tail end and a tail end connecting nut. The structure of the multi-filtering device is formed through integrated cutting processing and welding by adopting laser. The product is in a double-saucer-shaped structure, so that the contact area of the product and the vascular wall is obviously reduced, the intimal hyperplasia area of the vascular wall is greatly reduced, and when the multi-filtering device is retrieved, the damage to the vascular venous wall is obviously reduced, thus the retrievable time of the product in the human body is obviously prolonged. The double-saucer structure of the product is provided with four filtering screens, so that the thrombus filtering times can be increased, the thrombus filtering efficiency can be improved, while the thrombus is filtered, the passing of the blood is not blocked, therefore, the relapse risk of pulmonary embolism and the risk of the vein occlusion after the patient is treated by adopting the thrombus filtering device is greatly reduced.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, swim in a kind of recyclable filter chamber Venous system thrombosis, the Caval vein thrombus filter that prevention pulmonary infarction, pulmonary infarction occur.
Background technology
According to analyzing the match of lung bolt, the embolus of patient 95% of pulmonary infarction comes from deep veins of lower limb and the coming off of pelvic veins thrombosis, and removes venous patient thrombosis and predominantly inserts phlebothrombosis filter by getting involved operation technique, removes the thrombosis that swims in patient's blood vessel.Multiple producer is had to develop different thrombus filtering units in the market, for limb injury and fracture, particularly blood vessel internal membrane damage；Wound；Malignant tumor；Neurosurgery；Gestation merges deep venous thrombosis；The phlebothrombosis that patient bedridden in long term is formed.
Along with the appearance of thrombus filtering unit on market, increasing patient selects to implant thrombus filtering unit to prevent pulmonary infarction, pulmonary infarction.On market, preferable product is preferably to fix at Ink vessel transfusing all to contact with blood vessel wall with many rail segment, product is bigger with blood vessel wall contact area, after implantation, vascellum endometrial hyperplasia area is excessive, serious to vascular damaged during Product recycling, causes product recyclable time in patient body the shortest.Additionally, thrombosis filter efficiency is the most not enough, often there is patient that the report of postoperative pulmonary embolism occurs.
Summary of the invention
In order to extend product recyclable time limit and raising product thrombosis filter efficiency in patient body, the technical solution of the present invention is as follows: the identical material structure providing a kind of induction system with tape label to be connected is double dish-like thrombosis multi-filters.This filter can accurately be discharged to target site in the patient by induction system under actinoscopy X.Filter discharges in vivo, and after obtaining therapeutic effect, the most recovered device reclaims, it is possible to be chronically implanted human body as required.The double dish-like structure of product can substantially reduce product and blood vessel wall contact area, so that blood vessel wall neointimal hyperplasia area significantly reduces, during recovery, the damage to vascular venous wall just diminishes, and product callable time in human body is the most elongated.The double dish-like structure of product also has multiple filtration structure, can increase thrombosis filtering times, and anti-tampon is perforated through filter and back flows back in blood vessel, it is achieved more preferably arrest the thrombosis that swims.
This product by reclaim hook, connect inner nut, forked type drainage screen, the fixing thorn of blood vessel, sinusoidal wave drainage screen, intervalve, tail end, tail end attaching nut form.
This product is formed through Laser cutting, heat treatment by Nitinol pipe, has ultra-strong elasticity memory function.
This Product recycling hook, the fixing thorn of forked type drainage screen, blood vessel, sinusoidal wave drainage screen are integrally formed by cut, heat treatment.
Product recycling hook is formed a notch features being parallel to the product longitudinal axis by cut, is not beneficially come off during Product recycling.This notch features connects oblique mouth or a vertical portals again, it is simple to arrests loopback and receives product.
Connect inner nut to be processed by nickel-titanium alloy material, and weld with filter through laser and be connected as a single entity.
The fixing thorn of blood vessel is in forked type drainage screen and sinusoidal wave drainage screen junction, outwards becoming about 45° angle projection, integrally form through cut, product is integrated with product when shrinking, product struts when expanding automatically, and the fixing thorn of blood vessel 360 degree is evenly distributed in 6 connecting rods.Blood vessel fixes thorn can be divided into the fixing thorn of tack blood vessel and the fixing thorn of tip blood vessel according to head end structure.
Sinusoidal wave drainage screen junction is connected with intermediate connection tube, product tail end in just " S " type.
Effective benefit of the present invention is to use double dish-like structured filter net, product is made significantly to reduce with blood vessel wall contact area, so that blood vessel wall neointimal hyperplasia area significantly reduces, during recovery, the damage to vascular venous wall just diminishes, and product callable time in human body is the most elongated.The double dish-like structure of product separately can form multi-filtering structure, thrombosis filtering times can be increased, improve thrombosis filter efficiency, anti-tampon is perforated through filter and back flows back in blood vessel, realize more preferably arresting the thrombosis that swims, be substantially reduced patient's risk that pulmonary infarction occurs after thrombus filtering unit is treated and the risk of vein obstruction.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment one.
Fig. 2 is the structural representation of embodiment two.
Fig. 3 is the structural representation of embodiment three.
Fig. 4 is the structural representation of embodiment four.
Fig. 5 is the structural representation of embodiment five.
Fig. 6 is the structural representation of embodiment six.
Fig. 7 is the left view of Fig. 1.
Fig. 8 is the left view of Fig. 2.
Fig. 9 is that A portion contains blood vessel fix the representative instance figure of thorn without the fixing thorn of blood vessel, B portion.
Figure 10 is the representative instance figure that thorn is all fixed in A portion, B portion containing blood vessel.
Figure 11 be A portion, B portion sine wave filter screen structure be the representative instance figure of straight rod type drainage screen.
Figure 12 is the left view of Figure 11.
Figure 13 is the schematic top plan view of structure 1. Product recycling hook in Fig. 1.
Figure 14 is that in Fig. 1, structure 1. Product recycling hook is front view during vertical stratification.
Figure 15 is in Fig. 1 Local map C upward view, structural representation during the fixing thorn of blood vessel thorn fixing for tip blood vessel.
Figure 16 is in Fig. 1 Local map C upward view, structural representation during the fixing thorn of blood vessel thorn fixing for tack blood vessel.
Detailed description of the invention
Below according to explanation accompanying drawing, the invention will be further described:
As described in example one this pair of dish-like recyclable thrombosis multi-filter by reclaiming hook 1, attaching nut 2, forked type drainage screen 3, blood vessel fix thorn 4, sinusoidal wave drainage screen 5, intervalve 6, forked type drainage screen 7, sinusoidal wave drainage screen 8, tail end 9, tail end attaching nut 10 form.
The invention is characterized in that product A size end is Product recycling hook, built-in attaching nut 2, reclaim hook and be followed by forked type drainage screen, the fixing thorn of by-product blood vessel after forked type drainage screen.Connecing sinusoidal wave drainage screen after the fixing thorn of blood vessel again, the sinusoidal wave drainage screen other end is connected with intervalve, and intervalve is followed by product B portion.Product B portion is connected sinusoidal wave drainage screen by forked type drainage screen, and the sinusoidal wave drainage screen other end is connected with rear.Tail end is hollow type tube chamber, built-in tail end attaching nut 9.Blood vessel is fixed thorn and is distributed in 6 360 degree of equally distributed connecting rods.A portion sine wave filter screen and intervalve junction point, B portion sine wave filter screen and tail end junction point and other end contact be not the most at same straight line, in 60 ° or 120 ° rotations.AB two is combined into double dish-like structure, and A portion forked type drainage screen, sinusoidal wave drainage screen are identical structure with B portion forked type drainage screen, sinusoidal wave drainage screen.
Filter of the present invention reclaims hook and is formed through laser one cutting, heat treatment process by Nitinol pipe.The fixing thorn of filter blood vessel forms for laser one cutting, and one cuts apart, and other end and filter connect as one, and product the most outwards becomes about 45 degree of angle braces to open when expanding, and product is integrated with product when shrinking.
Rotating 30 degree before and after B portion structure in a structure as a example by structure shown in example two to form, other structures are identical with example one.
As a example by structure shown in example three, in a structure, A portion structure level rotation turnback forms, and other structures are identical with example one.
Rotating 30 degree before and after B portion structure in three structures as a example by structure shown in example four to form, other structures are identical with example three.
As a example by structure shown in example five, in a structure, B portion structure level rotation turnback forms, and other structures are identical with example one.
Rotating 30 degree before and after B portion structure in five structures as a example by structure shown in example six to form, other structures are identical with example five.
Outside the above each exemplary construction, A portion structure is without the fixing thorn of blood vessel, and B portion fixing thorn containing blood vessel is also this invention example；A portion, B portion structure contain the fixing thorn of blood vessel also for this invention example simultaneously.Fix thorn according to prong structure blood vessel and flush configuration blood vessel is fixed the different parts of thorn, number combinations and all be may make up this invention example.
When in product A portion, B portion structure, sinusoidal wave drainage screen is straight rod type drainage screen, it also it is this invention example.
The foregoing is only in the present invention more typically example, be not used in the restriction present invention.All examples improving on the basis of the present invention and extending are all within protection scope of the present invention.
Claims (7)
1. a novel recyclable caval vein thrombosis multi-filter, it is characterized in that being combined into double dish-like structure by recovery hook, connection inner nut, forked type drainage screen, the fixing thorn of blood vessel, sine wave drainage screen, tail end, tail end attaching nut, sinusoidal configuration tail end junction point and filter screen other end contact be not at same straight line, in 0 ~ 180 ° of rotation, rotate preferential with 60 ° ~ 120 °.
A kind of novel recyclable caval vein thrombosis multi-filter, it is characterised in that two, left and right structure is combined into double dish-like structure, forms 4 heavy filtration nets.
A kind of novel recyclable caval vein thrombosis multi-filter, is further characterized in that Product recycling hook is connect an oblique mouth or a vertical portals by the notch features being parallel to the product longitudinal axis of a cut.
A kind of novel recyclable caval vein thrombosis multi-filter, is further characterized in that the fixing thorn of blood vessel outwards becomes about 45° angle to strut after product expands automatically, and product is integrated with product when shrinking.
A kind of novel recyclable caval vein thrombosis multi-filter, is further characterized in that two structures in left and right can be perpendicular to the product longitudinal axis and rotate against formation new structure, preferential front and back to rotate 30 ° of angled arrangement.
A kind of novel recyclable caval vein thrombosis multi-filter, is further characterized in that forked type drainage screen in two structures in left and right, sinusoidal wave drainage screen are identical structure.
A kind of novel recyclable caval vein thrombosis multi-filter, it is further characterized in that blood vessel is fixed thorn and can be had the fixing thorn of tack blood vessel and tip blood vessel two kinds of shapes of fixing thorn, two kinds of shapes can be used alone as required, it is possible to mixed, preferential with two kinds of shape cross arrangements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126667.5A CN105963047A (en) | 2016-03-07 | 2016-03-07 | Novel retrievable vena cava thrombus multi-filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126667.5A CN105963047A (en) | 2016-03-07 | 2016-03-07 | Novel retrievable vena cava thrombus multi-filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105963047A true CN105963047A (en) | 2016-09-28 |
Family
ID=56989025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610126667.5A Pending CN105963047A (en) | 2016-03-07 | 2016-03-07 | Novel retrievable vena cava thrombus multi-filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105963047A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937892A (en) * | 2017-05-12 | 2017-07-11 | 谷涌泉 | One kind length puts die cavity venous filter |
| CN107174375A (en) * | 2017-05-09 | 2017-09-19 | 杭州唯强医疗科技有限公司 | Adherent cage type filter can be reduced |
| CN107280807A (en) * | 2017-06-28 | 2017-10-24 | 上海宏普医疗器械有限公司 | A kind of semiclosed dual-gripper recoverable version vena cava filter |
| CN108272531A (en) * | 2017-03-06 | 2018-07-13 | 上海宏普医疗器械有限公司 | A kind of ultrashort type bilayer vena cava filter |
| CN108283530A (en) * | 2017-03-07 | 2018-07-17 | 上海宏普医疗器械有限公司 | A kind of octopus type retrievable vena cava filter |
| CN109771090A (en) * | 2019-03-19 | 2019-05-21 | 武汉唯柯医疗科技有限公司 | The thrombus filter for preventing cerebral embolism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010091118A1 (en) * | 2009-02-03 | 2010-08-12 | Crusader Medical Llc | Percutaneous retrievable vascular filter |
| US20110152919A1 (en) * | 2009-12-23 | 2011-06-23 | Pavilion Medical Innovations | Reversible Vascular Filter Devices and Methods for Using Same |
| CN104768479A (en) * | 2012-11-06 | 2015-07-08 | 柯惠有限合伙公司 | Multi-pivot thrombectomy device |
| CN205041483U (en) * | 2015-09-08 | 2016-02-24 | 上海宏普医疗器械有限公司 | Novel recoverable vena cave thrombus filter |
| CN205612590U (en) * | 2016-03-07 | 2016-10-05 | 上海宏普医疗器械有限公司 | Novel multiple filter of recoverable vena cave thrombus |
-
2016
- 2016-03-07 CN CN201610126667.5A patent/CN105963047A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010091118A1 (en) * | 2009-02-03 | 2010-08-12 | Crusader Medical Llc | Percutaneous retrievable vascular filter |
| US20110152919A1 (en) * | 2009-12-23 | 2011-06-23 | Pavilion Medical Innovations | Reversible Vascular Filter Devices and Methods for Using Same |
| CN104768479A (en) * | 2012-11-06 | 2015-07-08 | 柯惠有限合伙公司 | Multi-pivot thrombectomy device |
| CN205041483U (en) * | 2015-09-08 | 2016-02-24 | 上海宏普医疗器械有限公司 | Novel recoverable vena cave thrombus filter |
| CN205612590U (en) * | 2016-03-07 | 2016-10-05 | 上海宏普医疗器械有限公司 | Novel multiple filter of recoverable vena cave thrombus |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108272531A (en) * | 2017-03-06 | 2018-07-13 | 上海宏普医疗器械有限公司 | A kind of ultrashort type bilayer vena cava filter |
| CN108283530A (en) * | 2017-03-07 | 2018-07-17 | 上海宏普医疗器械有限公司 | A kind of octopus type retrievable vena cava filter |
| CN107174375A (en) * | 2017-05-09 | 2017-09-19 | 杭州唯强医疗科技有限公司 | Adherent cage type filter can be reduced |
| CN107174375B (en) * | 2017-05-09 | 2021-01-19 | 杭州唯强医疗科技有限公司 | Cage filter capable of reducing wall sticking |
| CN106937892A (en) * | 2017-05-12 | 2017-07-11 | 谷涌泉 | One kind length puts die cavity venous filter |
| CN106937892B (en) * | 2017-05-12 | 2019-02-19 | 谷涌泉 | A kind of length sets type vena cava filter |
| CN107280807A (en) * | 2017-06-28 | 2017-10-24 | 上海宏普医疗器械有限公司 | A kind of semiclosed dual-gripper recoverable version vena cava filter |
| CN109771090A (en) * | 2019-03-19 | 2019-05-21 | 武汉唯柯医疗科技有限公司 | The thrombus filter for preventing cerebral embolism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105963047A (en) | Novel retrievable vena cava thrombus multi-filtering device | |
| US11197750B2 (en) | Embolic protection device | |
| ES2959567T3 (en) | Device for intravascular treatment of vascular occlusion | |
| CN105361974B (en) | A kind of thrombus filter | |
| US6436121B1 (en) | Removable blood filter | |
| CN108697423A (en) | The part flow arrangement of suction unit and anchoring | |
| CN105662534B (en) | Blood vessel thrombus taking device with thorn-shaped structure and thrombus therapeutic instrument thereof | |
| JP2008532621A (en) | Intravascular filter assembly | |
| CN113229992B (en) | Inferior vena cava filter | |
| WO2008034315A1 (en) | Double deck venous fileter | |
| CN108272530A (en) | A kind of recyclable Caval vein thrombus filter of double umbellate forms | |
| CN106491238A (en) | Filter unit | |
| CN109793600A (en) | A kind of bracket for nearly bifurcation lesion | |
| CN205041483U (en) | Novel recoverable vena cave thrombus filter | |
| CN205612590U (en) | Novel multiple filter of recoverable vena cave thrombus | |
| CN105520791A (en) | Novel retrievable vena cava thrombus filter | |
| CN205947897U (en) | Degradable vena cave filter | |
| Mobin-Uddin et al. | Evolution of a new device for the prevention of pulmonary embolism | |
| CN105963048A (en) | Degradable vena caval filter | |
| CN110464422A (en) | Foley's tube sheath | |
| CN110169843A (en) | A kind of lotus flap-type bilayer point support recoverable version vena cava filter and production method | |
| CN207477579U (en) | A kind of ultrashort type bilayer vena cava filter | |
| CN108272531A (en) | A kind of ultrashort type bilayer vena cava filter | |
| CN106806037B (en) | Filter | |
| CN108403254A (en) | A kind of novel recoverable version vena cava filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 201321 Shanghai Kang Xin Road, Lane 25, building 3399, room 5, floor 555 Applicant after: SHANGHAI HONGPU MEDICAL EQUIPMENT CO., LTD. Address before: 201201 Shanghai city Pudong New Area Qing Road 705 room No. 601 Applicant before: SHANGHAI HONGPU MEDICAL EQUIPMENT CO., LTD. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160928 |
|
| RJ01 | Rejection of invention patent application after publication |