CN107028682A - A kind of film-coated vascular support of the submissive type of high intensity - Google Patents
A kind of film-coated vascular support of the submissive type of high intensity Download PDFInfo
- Publication number
- CN107028682A CN107028682A CN201710426496.2A CN201710426496A CN107028682A CN 107028682 A CN107028682 A CN 107028682A CN 201710426496 A CN201710426496 A CN 201710426496A CN 107028682 A CN107028682 A CN 107028682A
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- China
- Prior art keywords
- support
- ring
- film
- intravascular stent
- small ring
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Classifications
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- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
-
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
- A61F2002/072—Encapsulated stents, e.g. wire or whole stent embedded in lining
-
- 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
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- Health & Medical Sciences (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
A kind of film-coated vascular support of the submissive type of high intensity, it includes the overlay film and the metallic support in the overlay film of tubular；The metallic support includes some support rings, and the small ring of water-drop-shaped for intersecting bending is circumferentially distributed with each support ring；The bearing of trend of each small ring is opposite with the bearing of trend of the axially in parallel and adjacent small ring of the support ring.The film-coated vascular support of the present invention has good compliance, can adapt to the blood vessel structure of relatively distortion；There is stronger radial support power simultaneously, the bad blood vessel of the form such as narrow is can adapt to, the complication such as interior leakage can be prevented.The small ring design of water-drop-shaped of the present invention be with axially projecting angulation, in the film-coated vascular holder combination in use, the metallic support of internal layer and outer film coating intravascular stent can be hooked mutually prevents from coming off.
Description
Technical field
The invention belongs to technical field of medical instruments, the film-coated vascular support of more particularly to a kind of submissive type of high intensity.
Background technology
Arotic disease, which is one group, seriously threatens the angiocardiopathy of human health, mainly including dissection of aorta, active
Arteries and veins knurl etc..It is serious to threaten patient vitals' safety if these diseases are treated not in time may cause aortic blood tracheal rupture.
Current Stent is to treat one of Main Means of angiocardiopathy, and clinically widely used is overlay film blood
Pipe holder.In the market there are some drawbacks in the structure design of overlay film frame, such as compliance is not good, expanded configuration irregular,
Connect insecure etc. between component, these bad design factors can cause film-coated vascular support bad expansion shape in the blood vessels
State.Compliance is not good or extension internal diameter is irregular, can cause vascular bending angle it is excessive or exist in the case of patch with blood vessel
It is adherent bad, it is easy to be leaked in being formed, cause Endodontic failure or even second operation treatment need to be carried out；In diseased region coverage
Compare it is wide in the case of be implanted into, it is necessary to carry out two combinations even more than film-coated vascular support, now require between component
Connection needs certain bonding strength, can bear intravascular blood flow impact.
The content of the invention
It is an object of the invention to provide a kind of film-coated vascular support of the submissive type of high intensity, it is used to treat aorta clamp
Layer and aortic aneurysm, can solve that existing film-coated vascular support compliance is good, expanded configuration irregularly, between component is connected loosely
Gu the problems such as.
To achieve the above object, the present invention takes following technical scheme：
A kind of film-coated vascular support of the submissive type of high intensity, it includes the overlay film and the metal branch in the overlay film of tubular
Frame；The metallic support includes some support rings, and the small ring of water-drop-shaped for intersecting bending is circumferentially distributed with each support ring；Respectively
The bearing of trend of the bearing of trend of the small ring small ring axially in parallel and adjacent with the support ring is opposite.
Further, the support ring overall height is 1-10mm, and the small ring is highly between 1-3mm, adjacent small ring
The curved transition of wire of connection.
Further, each support ring is fixed on the overlay film by suture, and each stitch points are distributed in adjacent small ring
Between arc-shaped transition silk on, and away from each small ring crosspoint 2-5mm.
Further, on the overlay film adjacent stent interannular away from between adjacent small ring arc-shaped transition silk length.
Further, the metallic support is Nitinol.
Further, the small number of rings mesh be 4,6,8 or 10, on the circumference for being uniformly distributed in the support ring.
A kind of film-coated vascular support of the submissive type of high intensity, it includes the first blood being connected with each other by proximal part to distal end
Pipe holder and the second intravascular stent, second intravascular stent are stretched into first intravascular stent；
First intravascular stent and the second intravascular stent include the overlay film of tubular and the metallic support being connected with the overlay film；
The metallic support includes some support rings, and the small ring of water-drop-shaped for intersecting bending is circumferentially distributed with each support ring；
The part not overlapped in first intravascular stent and the second intravascular stent, metallic support is located at the inside of overlay film, respectively
The bearing of trend of the bearing of trend of the small ring small ring axially in parallel and adjacent with the support ring is opposite；
The part overlapped in first intravascular stent and the second intravascular stent, the metallic support of first intravascular stent is located at
The inside of overlay film, the metallic support of second intravascular stent is located at the outside of overlay film；First intravascular stent is raised to proximal part
Small ring and the axial angle of each support ring it is at an acute angle, it is parallel with the axial direction of each support ring to the raised small ring of distal end；
Second intravascular stent is at an acute angle to the raised small ring of distal end and the axial angle of each support ring, to the small ring that proximal part is raised
It is parallel with the axial direction of each support ring.
Further, the part overlapped in first intravascular stent and second intravascular stent, the first blood vessel branch
Frame is to the raised small ring support ring inner bulge of proximal part；Second intravascular stent is to the raised small ring support ring of distal end
Outside is raised.
Further, the part that first intravascular stent and second intravascular stent are overlapped includes respective at least two
Support ring.
The beneficial effects of the invention are as follows：The film-coated vascular support of the present invention has good compliance, can adapt to relatively turn round
Bent blood vessel structure；There is stronger radial support power simultaneously, the bad blood vessel of the form such as narrow is can adapt to, can prevent interior
The complication such as leakage.The small ring design of water-drop-shaped of the present invention be with axially projecting angulation, in the film-coated vascular holder combination in use,
The metallic support of internal layer and outer film coating intravascular stent can mutually hook and prevent from coming off.
Brief description of the drawings
Fig. 1 a and Fig. 1 b hold schematic diagram for the metallic support and its pressure of the film-coated vascular support of the submissive type of high intensity of the present invention.
Fig. 2 a suture connection diagram for the metallic support of the film-coated vascular support of the submissive type of high intensity of the present invention with overlay film；
Fig. 2 b are the overall structure diagram of the film-coated vascular support of the submissive type of high intensity of the present invention.
When Fig. 3 is applied in combination for film-coated vascular backbone metal support ring in the present invention, the first intravascular stent and the second blood vessel
The structural representation of the respective support ring of support intersection.
Fig. 4 a are that the first and second intravascular stent of the invention docks schematic diagram, and Fig. 4 b are the first intravascular stent and the second blood vessel
The connection diagram of the respective support ring of support intersection.
Fig. 5 is the intravascular schematic diagram of film-coated vascular stenter to implant wide-angle of the submissive type of high intensity of the present invention.
Fig. 6 a are the schematic diagram before the narrow and small true chamber blood vessel of film-coated vascular stenter to implant interlayer of the submissive type of high intensity of the present invention,
Fig. 6 b are the schematic diagram after the narrow and small true chamber blood vessel of film-coated vascular stenter to implant interlayer of the submissive type of high intensity of the present invention.
Fig. 7 a are the schematic diagram that common W types overlay film frame is implanted into interlayer blood vessel；Fig. 7 b are the submissive type of high intensity of the present invention
Film-coated vascular stenter to implant interlayer blood vessel schematic diagram.
Embodiment
The present invention is described in detail with reference to the accompanying drawings.
Film-coated vascular support is near-end close to one end of heart in text, and the one end of film-coated vascular support away from heart is remote
End.
As shown in Fig. 1 a to Fig. 2 b, the present invention provides a kind of film-coated vascular support of the submissive type of high intensity, and it includes tubular
Overlay film 1 and the metallic support 2 in the overlay film 1, the metallic support 2 be Nitinol.If the metallic support 2 includes the Heavenly Stems and Earthly Branches
The small ring 22 of water-drop-shaped for intersecting bending is circumferentially distributed with frame ring 21, each support ring 21.The small number of ring 22 is 4,6,8
Or 10, on the circumference for being uniformly distributed in the support ring 21.The bearing of trend of each small ring 22 is put down with the axial direction of the support ring 21
OK, and adjacent small ring 22 bearing of trend it is opposite.The film-coated vascular support is used for PCI dissection of aorta or aneurysm,
It need to press to hold to delivery pipe is intrathecal and use, under the state, the small ring 22 of adjacent water-drop-shaped prolongs round about on metallic support ring 21
Stretch, as shown in Figure 1 b, the state after holding is pressed for the metallic support ring 21.Now water in the same direction on two neighboring metallic support ring 21
Drip the small ring 22 of shape and be located at the same line.
The overall height of support ring 21 is 1-10mm, and the small height of ring 22 is the gold connected between 1-3mm, adjacent small ring 22
Belong to the length that the spacing of adjacent stent ring 21 on the curved transition of silk, the overlay film is the arc-shaped transition silk 23 between adjacent small ring 22.
As shown in Figure 2 a, each support ring 21 is fixed on the overlay film 1 by suture 3, and each stitch points are distributed in adjacent small ring
On arc-shaped transition silk 23 between 22, and away from each small crosspoint 2-5mm of ring 22.This kind is designed to avoid film-coated vascular support from existing
When pressure is held, the metal wire material abrasion suture of intersection.
As shown in Fig. 3 to Fig. 4 b, the present invention also provides a kind of film-coated vascular support of the submissive type of high intensity, and it is included by near
The first intravascular stent 4 and the second intravascular stent 5 that heart end to distal end is connected with each other, second intravascular stent 5 stretch into this first
In intravascular stent 4.
The intravascular stent 5 of first intravascular stent 4 and second includes the overlay film 1 of tubular and the metal being connected with the overlay film 1
Support 2.The metallic support 2 includes some support rings 21, and the water droplet for intersecting bending is circumferentially distributed with each support ring 21
The small ring 22 of shape.
The part not overlapped in the intravascular stent 5 of the first intravascular stent 4 and second, support ring 21 is located inside overlay film 1, respectively
The bearing of trend of small ring 22 is opposite with the bearing of trend of the axially in parallel and adjacent small ring 22 of the support ring 21.This first
The part that the intravascular stent 5 of intravascular stent 4 and second is overlapped, the support ring 21 of first intravascular stent 4 is located at the inside of overlay film 1,
The support ring 21 of second intravascular stent 5 is located at the outside of overlay film 1.Including respective at least two support ring 21.First blood vessel
Support 4 is at an acute angle to the raised small ring 22 of proximal part and the axial angle of each support ring 21, to the raised small ring 22 of distal end and
The axial direction of each support ring 21 is parallel.Second intravascular stent 5 is to the raised small ring 22 of distal end and the axle of each support ring 21
It is at an acute angle to angle, it is parallel with the axial direction of each support ring 21 to the raised small ring 22 of proximal part.
The part overlapped in first intravascular stent 4 and second intravascular stent 5, first intravascular stent 4 is to proximal part
Raised small ring 22 is to the inner bulge of support ring 21.Second intravascular stent 5 is to the raised small ring 22 of distal end to support ring 21
Outside is raised.So that in the assembled state, first intravascular stent 4 and second intravascular stent 5 can be hooked mutually, two overlay films
Intravascular stent has good associativity.Because combination lap position is to hook connection, one mutually by two metallic supports
The small ring barb of water-drop-shaped on metallic support is hung on the metal transfer silk between another small ring of metallic support water-drop-shaped, realizes jail
It admittedly is tightly connected.
In the first embodiment, the film-coated vascular support of the submissive type of high intensity of the present invention has superpower axial direction
Compliance.Fig. 5 show one embodiment of the film-coated vascular support of the submissive type of high intensity of the present invention.The support ring of metallic support
21 are distributed with the small ring 22 of 6 water-drop-shapeds, the internal diameter 30mm of support ring 21, the small height 1mm of ring 22 of water-drop-shaped, the height of now transition silk 23
For 1mm, the spacing between two neighboring support ring 21 is 15.7mm.Due to the advantage of structure design, high intensity of the present invention is submissive
The film-coated vascular support of type can adapt to blood vessel of the larger form of angle of bend compared with distortion.
Especially, the film-coated vascular support of the submissive type of high intensity of the present invention has preferably circumferential supportive.Fig. 6 a, Fig. 6 b
It show second embodiment of the invention.For chronic interlayer patient, its true chamber endangium meeting progressive additive is propped up for radial direction
The poor blood vessel of support force degree, it is impossible to hold round true chamber, it is impossible to reach good therapeutic effect.The submissive type of high intensity of the present invention covers
The support ring 21 of film intravascular stent is highly relatively low, therefore with the effect of good radial support, can remold relatively round blood vessel and lead to
Road, and it is adherent good, it ensure that true chamber bloody path is unobstructed.Fig. 6 a show that chronic interlayer is extremely narrow and small and human body of intimal thickening
Blood vessel 6, Fig. 6 b show schematic diagram after film-coated vascular support 7 of the present invention is implanted into.
In the 3rd specific embodiment, it can illustrate that the film-coated vascular support of the submissive type of high intensity of the present invention is another excellent
Gesture.During the treatment Type B interlayer of Conventional coverlay film intravascular stent 8, because metallic support ring is higher and radial support power not enough,
Under blood flow impact, false intracavitary portion easily is stretched into along cut at more sharp W type support crests, overlay film is affected and drives adjacent gold
Belong to support to produce compared with large deformation, it is easy to cause leakage in near-end, as shown in Figure 7a.And the overlay film blood of the submissive type of high intensity of the present invention
Pipe holder 9 is due to that with enough radial support power and ring height is relatively low, can avoid above-mentioned situation to occur completely, such as Fig. 7 b institutes
Show.
In summary, beneficial effects of the present invention are：
(1) a kind of new structure film-coated vascular support proposed by the present invention, can adapt to the larger blood of complex shape, angulation
Tubular construction, with good compliance, can be reduced due to complication such as the not good interior leakages caused of film-coated vascular support compliance.
(2) a kind of new structure film-coated vascular support proposed by the present invention, because it has enough radial support power, energy
Enough true chambers for expanding relatively narrower in chronic interlayer well, remold vascular morphology structure, it is ensured that the enough CBFs in distal end；And it is near
End anchor site can adapt to vessel diameter, and perfection is fitted with blood vessel, prevents interior leakage.
(3) a kind of new structure film-coated vascular support proposed by the present invention, it is two or more when being applied in combination, due to metal
The mutual hook of the small ring of water-drop-shaped, ensure that enough adhesions on support, it is ensured that adjacent film-coated vascular support can be firm
Connection, prevents from falling off between combination film-coated vascular support.
It should be noted that described above is only the present invention preferably embodiment, in order to make this
Art personnel are better understood from the present invention, do not apply to limit the scope of the present invention and application, every essence in the present invention
God or principle within, any modification, equivalent substitution and improvements done etc. should be included in the present invention protect within the scope of.
Claims (9)
1. a kind of film-coated vascular support of the submissive type of high intensity, it is characterised in that it includes the overlay film of tubular and positioned at the overlay film
Interior metallic support；The metallic support includes some support rings, and the water for intersecting bending is circumferentially distributed with each support ring
Drip the small ring of shape；The bearing of trend of each small ring is opposite with the bearing of trend of the axially in parallel and adjacent small ring of the support ring.
2. the film-coated vascular support of the submissive type of high intensity according to claim 1, it is characterised in that the support ring is overall
Highly it is 1-10mm, the small ring is highly the curved transition of wire connected between 1-3mm, adjacent small ring.
3. the film-coated vascular support of the submissive type of high intensity according to claim 2, it is characterised in that each support ring is led to
Cross suture to be fixed on the overlay film, each stitch points are distributed on the arc-shaped transition silk between adjacent small ring, and handed over away from each small ring
Crunode 2-5mm.
4. the film-coated vascular support of the submissive type of high intensity according to Claims 2 or 3, it is characterised in that on the overlay film
Adjacent stent interannular is away from the length for the arc-shaped transition silk between adjacent small ring.
5. the film-coated vascular support of the submissive type of high intensity according to claim 1, it is characterised in that the metallic support is
Nitinol.
6. the film-coated vascular support of the submissive type of high intensity according to claim 1, it is characterised in that the small number of rings mesh is
4th, 6,8 or 10, on the circumference for being uniformly distributed in the support ring.
7. a kind of film-coated vascular support of the submissive type of high intensity, it is characterised in that it includes mutually being interconnected by proximal part to distal end
The first intravascular stent and the second intravascular stent connect, second intravascular stent is stretched into first intravascular stent；
First intravascular stent and the second intravascular stent include the overlay film of tubular and the metallic support being connected with the overlay film；The gold
Belonging to support includes some support rings, and the small ring of water-drop-shaped for intersecting bending is circumferentially distributed with each support ring；
The part that is not overlapped in first intravascular stent and the second intravascular stent, support ring is located inside overlay film, and each small ring prolongs
Stretch direction opposite with the bearing of trend of the axially in parallel and adjacent small ring of the support ring；
The part overlapped in first intravascular stent and the second intravascular stent, the support ring of first intravascular stent is located at overlay film
Inside, the support ring of second intravascular stent is located at the outside of overlay film.First intravascular stent to the raised small ring of proximal part with
The axial angle of each support ring is at an acute angle, parallel with the axial direction of each support ring to the raised small ring of distal end；Second blood
Pipe holder is at an acute angle to the raised small ring of distal end and the axial angle of each support ring, to the raised small ring of proximal part and each support
The axial direction of ring is parallel.
8. the film-coated vascular support of the submissive type of high intensity according to claim 7, it is characterised in that in first blood vessel
The part that support and second intravascular stent are overlapped, first intravascular stent is on the inside of the raised small ring support ring of proximal part
It is raised；Second intravascular stent is raised to the raised small ring support ring outside of distal end.
9. the film-coated vascular support of the submissive type of high intensity according to claim 7 or 8, it is characterised in that first blood
The part that pipe holder and second intravascular stent are overlapped includes respective at least two support ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426496.2A CN107028682B (en) | 2017-06-08 | 2017-06-08 | A kind of film-coated vascular bracket of the submissive type of high intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426496.2A CN107028682B (en) | 2017-06-08 | 2017-06-08 | A kind of film-coated vascular bracket of the submissive type of high intensity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107028682A true CN107028682A (en) | 2017-08-11 |
| CN107028682B CN107028682B (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710426496.2A Active CN107028682B (en) | 2017-06-08 | 2017-06-08 | A kind of film-coated vascular bracket of the submissive type of high intensity |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6036716A (en) * | 1996-07-09 | 2000-03-14 | Kruchinin; Boris Petrovich | Micro-surgery fixation device, variants manipulation push-bar for mounting the same |
| WO2004064911A1 (en) * | 2003-01-18 | 2004-08-05 | Samsung Life Public Welfare Foundation(Samsung Medical Center) | Stent for percutaneous coronary intervention, coated with vascular restenosis prevention drug |
| CN201168079Y (en) * | 2007-12-26 | 2008-12-24 | 上海康德莱企业发展集团有限公司 | Blood vessel support |
| CN102028571A (en) * | 2009-09-30 | 2011-04-27 | 吴雄 | Recyclable combined or monomer film-covered blood vessel lumen bracket |
| CN103200884A (en) * | 2010-09-08 | 2013-07-10 | 菲诺克斯有限公司 | Implant for influencing the blood flow in arteriovenous defects |
| CN103961193A (en) * | 2007-12-18 | 2014-08-06 | 因特尔赛克特耳鼻喉公司 | Self-expanding devices and methods therefor |
-
2017
- 2017-06-08 CN CN201710426496.2A patent/CN107028682B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6036716A (en) * | 1996-07-09 | 2000-03-14 | Kruchinin; Boris Petrovich | Micro-surgery fixation device, variants manipulation push-bar for mounting the same |
| WO2004064911A1 (en) * | 2003-01-18 | 2004-08-05 | Samsung Life Public Welfare Foundation(Samsung Medical Center) | Stent for percutaneous coronary intervention, coated with vascular restenosis prevention drug |
| CN103961193A (en) * | 2007-12-18 | 2014-08-06 | 因特尔赛克特耳鼻喉公司 | Self-expanding devices and methods therefor |
| CN201168079Y (en) * | 2007-12-26 | 2008-12-24 | 上海康德莱企业发展集团有限公司 | Blood vessel support |
| CN102028571A (en) * | 2009-09-30 | 2011-04-27 | 吴雄 | Recyclable combined or monomer film-covered blood vessel lumen bracket |
| CN103200884A (en) * | 2010-09-08 | 2013-07-10 | 菲诺克斯有限公司 | Implant for influencing the blood flow in arteriovenous defects |
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| Publication number | Publication date |
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| CN107028682B (en) | 2019-05-24 |
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Effective date of registration: 20200821 Address after: 102200, Changping District, Beijing, super Road, No. 33 Co-patentee after: GRINM MEDICAL INSTRUMENT (BEIJING) Co.,Ltd. Patentee after: Beijing Youzhuo Zhenglian Medical Technology Co., Ltd Address before: 102200, Beijing Changping District science and Technology Park, super Road, No. 33 Patentee before: GRINM MEDICAL INSTRUMENT (BEIJING) Co.,Ltd. |
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Effective date of registration: 20201214 Address after: No.33 Chaoqian Road, Changping District, Beijing 102200 Patentee after: Beijing Youzhuo Zhenglian Medical Technology Co., Ltd Address before: No.33 Chaoqian Road, Changping District, Beijing 102200 Patentee before: Beijing Youzhuo Zhenglian Medical Technology Co., Ltd Patentee before: GRINM MEDICAL INSTRUMENT (BEIJING) Co.,Ltd. |
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