CN107303209A - With the tubular intravascular stent that can be bent from circumference to slot - Google Patents
With the tubular intravascular stent that can be bent from circumference to slot Download PDFInfo
- Publication number
- CN107303209A CN107303209A CN201610257923.4A CN201610257923A CN107303209A CN 107303209 A CN107303209 A CN 107303209A CN 201610257923 A CN201610257923 A CN 201610257923A CN 107303209 A CN107303209 A CN 107303209A
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- CN
- China
- Prior art keywords
- support
- dilator
- supports
- slot
- annulus
- 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.)
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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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/844—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents folded prior to deployment
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
Abstract
Some slots (A2) are cut open in the direction of the circumferential section of a thin-wall circular tube made by elastomeric material, pipe (A) is cut into one section and meets one section of support annulus A1, each circumference slot is made up of symmetrically deficient π slots two shorter than π radian, this is that a pair of 180 ° of mutual deviations are stitched to vertex cut, do not cut off in two intersections of this pair pairs of vertex cut seams, but two dowels (A3) are formd, two adjacent annulus are connected muscle and connected；The dowel of adjacent slot, which is based upon, to be rotated by 90 ° on position, so, the pipe can be bent in any direction of length；One is cut on each elastic support annulus (A1) and disconnects mouth (A4), support is wound into the same helical form of clock spring clockwork spring, it is inserted in after reducing overall diameter in teleflex (C), during operation, support is sent to behind precalculated position, its teleflex (C) is exited, support has elastic force in itself, can flick into circular tube shaped.
Description
The field of invention
Belong to the invention in terms of the intravascular stent in treatment angiocardiopathy field.
The background of invention
Angiocardiopathy has become the first big killer of human health, and intravascular stent is the weight for treating angiocardiopathy
One of method is wanted, however, because the costliness and the costliness of surgery cost of support product, and laid for thin vessels
The risk of support so that this therapeutic scheme is abandoned in many patient's selections.So, research and develop the intravascular stent of low expense
And easy operation method, it is a kind of research for having very much social value and an economic value.
Current intravascular stent is a kind of netted intravascular stent, and the requirement of its accuracy of manufacture is high, manufacture difficulty is big, cost
Height, and short intravascular stent can only be made, if necessary to length, several supports have to be put, so Operation Fee more
With very big.
The purpose of invention
A kind of new intravascular stent is provided, the purpose is to：Simple in construction, manufacture difficulty is small (low-cost)；Can
To make 4-5 times of existing netted intravascular stent length (without laying multiple supports)；It can bend and (easily propagate through
Curved blood vessel and be placed in curved blood vessel)；(strutting diameter/contracted diameter) shrinkage ratio is big, (easily propagates through tiny
Blood vessel)；
The principle of invention
The full name of the present invention is " with the tubular intravascular stent that can bend of the circumference to slot " (hereinafter referred to as
Ai Si supports or AS supports), its general principle is：There is a thin-wall circular tube, the intensity of the pipe can be blood vessel
Strut, the diameter of the pipe is equal to the vessel diameter of support to be implanted, along the side of the circumferential section of the pipe
To, some slots (A2) are cut open on tube wall, by pipe (A) be cut into one section connect one section annulus (be referred to as support
Annulus A1), these slots (A2) are not 360 ° of slots, and each circumference slot is than π radian by two
Shorter symmetrical slot is constituted, and every abbreviation " owing π slots ", two deficient π in same circle slot are cut
Seam " is stitched " to vertex cut each other, is the slot of a pair of 180 ° of mutual deviations, this pair pairs of vertex cuts seam two intersections simultaneously
Do not cut off, but form two dowels (A3), this two dowel angles are at a distance of 180 °, referred to as a pair
To top dowel (A3), two adjacent annulus are connected muscle and connected；The dowel of adjacent slot is established
On 20 ° to 90 ° positions are rotated, it is proposed that set up on the position being rotated by 90 °, such as：The one of n-th of annulus
To dowel in 0 ° and 180 ° of position, then, a pair of dowels of (n+1)th annulus are just in 90 ° and 270 °
Position, a pair of dowels of the n-th+2 annulus again in 0 ° and 180 ° of position, so, the pipe can be
Any direction bending of length, the pipe is referred to as AS pipes (A), is exactly AS supports (A),
Operation consent needs to be compressed AS supports the processing of overall diameter, by the cross-wise direction winding or curved of AS supports
Folding, the overall diameter reduced before AS stenter to implant, is inserted in a teleflex, in favor of facilitating intravasation, works as AS
Support is sent to behind the target location that lay, and its teleflex is exited, recycle AS supports elastic force in itself or
AS supports are strutted into tubular by person with support dilator, complete stenter to implant.
Embodiment 1, self-supporting open type AS supports (AS1 types support)
Piece AS supports that are made by elastomeric material, support annulus is into elastic support annulus, in each elastic support
Cut open a gap (A4) on annulus (A1), annulus is also known as by the O-shaped c-type for being broken into opening closed
Breach (A4) is disconnects mouth, and disconnecting mouth (A4) can be in any position in addition to dowel (A3), can
To be that the alternating expression in Fig. 1 disconnects the I-shaped in mouth (A4) or Fig. 1 .1 and disconnects mouth (A5), because
There is disconnection mouth for all annulus, then, the O-shaped AS pipes of closure have been broken into the AS pipes of opening,
Referred to as AS1 types support, sees section, it is the same that AS1 types support can be wound into clock spring clockwork spring towards axis direction
Helical form (Aa, Fig. 1 .2, or involute shape), overall diameter is reduced, is then inserted in teleflex (C), hand
During art, support is sent to behind precalculated position, its teleflex (C) is exited, AS1 types support has elastic force in itself,
Circular tube shaped can be flicked into；In addition, a support dilator (B), helps AS1 type supports to strut into tubular,
(B) it is an option, needs to use when strutting incomplete.
Embodiment 2, fluid pressure type dilator (B)
One with onesize and shape the capsule of AS supports (B, i.e., whole dilator, Fig. 2), as automobile tire one
Sample uses the fiber reinforcement intensity of high intensity, and the cross sectional shape after dilator (B) is strutted is circle (Ba, Fig. 2 .1),
Turn into Fig. 2 .2 flat-shaped (B after flatteningb), then turn into Fig. 2 .3 involute shape (B after windingc), it is placed in figure
In 1.2 wind after AS1 type supports in, if support flick it is insufficient, just to fluid pressure type dilator (B) injection
Pressure fluid, helps support to strut, and (B1) and (B2) is to strengthen the circumferential and axial fiber of hydraulic pressure dilator intensity,
Oblique reinforcing fiber can also be used.
Embodiment 3, mechanical dilator (D)
A piece axle (D2), multiple umbrellas manufactured above it is the same strut body, these strut body referred to as umbrella, when support is arrived
Behind position, teleflex (C) is exited, AS1 types support can be automatically springed open, if flicking insufficient, turn on these
Umbrella, helps support to strut.
Embodiment 4, the evolvent type compression of O-shaped AS supports (E)
Piece AS supports (E) that are made by plastic material, support annulus does not have on annulus into plasticity support annulus
There is disconnection mouth, be the O-shaped AS supports of a plasticity, referred to as AS2 types support, a fluid pressure type dilator is put in the inside
(B), it struts the plasticity support annulus (E that section is Fig. 4 .1a) and dilator (Ba), (Ea) and (Ba)
Turn into Fig. 4 .2 flat-shaped section (E after flatteningb) and (Bb), its two ends is not flattened, so that support recovers circular,
Again by flat-shaped (Eb) and (Bb) it is wound into involute-shaped cross section (Ec) and (Bc), then it is inserted in teleflex (C)
In, as section be Fig. 4 .3 involute shape support and dilator, when support in place after, teleflex (C)
Exit, pressure fluid is injected to fluid pressure type dilator (B), AS2 types support can be softened.
Embodiment 4.1, the polygonal planetary of O-shaped AS supports (E) is compressed
Piece AS2 types support (E) that is made by plastic material, is bent into multi-corner star-shape (Ed, Fig. 4 .3), it is inner
A fluid pressure type dilator (B) is put in face, includes dilator (Fig. 4 .4, B of evolvent type compressionc) and star pressure
Dilator (Fig. 4 .5, B of contractingd)。
Embodiment 5, spring wire form AS supports (AS3 types support)
By the material substitution of elastic support annulus (A1) and dowel (A3) in embodiment 1 into spring wire, weld
Get up, become spring wire form AS supports (being referred to as AS3 types support).
Figure of description
In accompanying drawing, principal mark number is identical, and subscript is different, and expression is with the same device, such as：(A) it is AS1 type branch
Frame is overall, (Aa) it is the figure of (A) after the coiling；(B) it is fluid pressure type dilator, (Ba) it is after B is strutted
Cross sectional shape, (Bb) be B flatten after cross sectional shape, (Bc) it is cross sectional shape after B is flattened and wound；
Principal mark number is identical, behind numeral it is different, expression is with the different component in the same device, such as：Such as：A is
AS1 types support is overall, and A1 is a ring in A, and A2 is a deficient π slot in A, and A3 is one in A
Dowel, A4 is a disconnection mouth in A；
Fig. 1, self-supporting open type AS support (AS1 type supports, alternating expression disconnects mouth)
Including：AS1 types support is overall (A)；Support annulus (A1)；Owe π slots (A2)；Dowel (A3)；
Alternating expression disconnects mouth (A4)；
Fig. 1 .1, self-supporting open type AS support (AS1 type supports, I-shaped disconnects mouth)
Including：I-shaped disconnects mouth (A4)；Other symbols are identical with Fig. 1.
Sectional view after Fig. 1 .2, AS1 types support winding
Including：Bracket cross section (Aa), AS1 type supports are wound into the same helical form of clock spring clockwork spring (or gradually
Burst at the seams shape section)；Support dilator (B)；Teleflex (C).
Fig. 2, fluid pressure type dilator (B)
Including：One is the entirety of fluid pressure type dilator with onesize and shape the capsule of AS supports (B), (B)；
Axially force fiber (B1)；Circumference is to reinforcing fibre (B2)；Can also using oblique reinforcing fiber (bad picture,
So not drawing).
Fig. 2 .1, sectional view (B when fluid pressure type dilator is strutteda)
Including：Sectional view (B when fluid pressure type dilator is strutteda), this is an enlarged drawing, and it is exactly Fig. 2 section
Figure.
Fig. 2 .2, sectional view (B after fluid pressure type dilator is flattenedb)
Including：Sectional view (B after fluid pressure type dilator is flattenedb)。
Fig. 2 .3, fluid pressure type dilator flattens and winds sectional view (Bc)
Including：Fluid pressure type dilator flattens and winds sectional view (Bc)。
Fig. 3, mechanical dilator (D)
Including：Mechanical dilator is overall (D)；Umbrella frame (D1)；Umbrella axle (D2)；Connecting rod (D2)；Umbrella
Axle (D3)；Umbrella edge active node (D4)；Umbrella axle active node (D5).
Fig. 4, AS2 type support (E)
Including：AS2 types support is overall (E).
The sectional view that Fig. 4 .1, AS2 type supports (E) are strutted with dilator (B)
Including：AS2 type supports strut sectional view (Ea)；Dilator struts sectional view (Ba)。
The sectional view that Fig. 4 .2, AS2 type supports (E) are flattened with dilator (B)
Including：AS2 types support flattens sectional view (Eb)；Dilator flattens sectional view (Bb)。
Fig. 4 .3, AS2 type supports (E) flatten with dilator (B) and wind sectional view
Including：AS2 type supports flatten and wind sectional view (Ec)；Dilator flattens and winds sectional view (Bc)；
Teleflex (C).
Fig. 4 .4, polygonal star aggregation AS2 types support (E) and takeup type dilator (B) sectional view
Including：AS2 type supports are compressed into polygonal star formula sectional view (Ed)；Dilator flattens and winds sectional view (Bc)。
Fig. 4 .5, polygonal star aggregation AS2 types support (E) and polygonal star-like dilator (B) sectional view
Including：AS2 type supports are compressed into polygonal star formula sectional view (Ed)；It is compressed into polygonal planetary dilator sectional view
(Bd)。
Claims (8)
1. a kind of carry the tubular intravascular stent that can bend of the circumference to slot, abbreviation AS supports, its feature
It is：There is a thin-wall circular tube, the intensity of the pipe can be vascular opening, and the diameter of the pipe, which is equal to, to be waited to plant
Enter the vessel diameter of support, along the direction of the circumferential section of the pipe, some slots (A2) cut open on tube wall,
Pipe (A) is cut into one section and meets one section of support annulus A1, each circumference slot is by two shorter than π radian one
The symmetrically deficient π slots of point are constituted, and two deficient π slots in same circle slot are stitched to vertex cut each other, are a pair
180 ° of slots of mutual deviation, do not cut off, but form two connections in two intersections of this pair pairs of vertex cut seams
Muscle (A3), this two dowel angles are at a distance of 180 °, referred to as a pair pairs of top dowels (A3), adjacent two
Annulus is connected muscle and connected；The dowel of adjacent slot is based upon on 20 ° to 90 ° positions of rotation, so,
The pipe can be bent in any direction of length；
Operation consent needs to be compressed AS supports the processing of overall diameter, by the cross-wise direction winding or curved of AS supports
Folding, the overall diameter reduced before AS stenter to implant, is inserted in a teleflex C, in favor of facilitating intravasation, works as AS
Support is sent to behind the target location that lay, and its teleflex is exited, recycle AS supports elastic force in itself or
AS supports are strutted into tubular by person with support dilator, complete stenter to implant.
2. it is according to claim 1 a kind of with the tubular intravascular stent that can bend of the circumference to slot,
Its further feature is：The dowel of adjacent slot is based upon on the position being rotated by 90 °.
3. it is according to claim 1 a kind of with the tubular intravascular stent that can bend of the circumference to slot,
Its further feature is：Piece AS supports that are made by elastomeric material, support annulus into elastic support annulus,
One is cut on each elastic support annulus (A1) and disconnects mouth (A4), disconnecting mouth (A4) can be except even
Any position beyond muscle (A3) is connect, as AS1 type supports, AS1 type supports are wound into clock spring clockwork spring
The same helical form (Aa), overall diameter is reduced, is then inserted in teleflex (C), during operation, support is sent
Up to after precalculated position, its teleflex (C) is exited, AS1 types support has elastic force in itself, can flick into pipe
Shape；In addition, a support dilator (B), help AS1 type supports to strut into tubular, (B) be one can
Option, needs to use when strutting incomplete.
4. it is according to claim 1 a kind of with the tubular intravascular stent that can bend of the circumference to slot,
Its further feature is：There is a fluid pressure type dilator (B) to help support to strut, one same with AS supports
The capsule (B) of size and shape, uses the fiber reinforcement intensity of high intensity, dilator (B) as automobile tire
Cross sectional shape after strutting is circle (Ba), turn into flat-shaped (B after flatteningb), then the involute shape turned into after winding
Shape (Bc), be placed in winding after AS1 type supports in, if support flick it is insufficient, just to fluid pressure type dilator (B)
Pressure fluid is injected, helps support to strut, (B1) and (B2) is to strengthen the circumferential and axial of hydraulic pressure dilator intensity
Fiber, can also use oblique reinforcing fiber.
5. it is according to claim 1 a kind of with the tubular intravascular stent that can bend of the circumference to slot,
Its further feature is：There are a kind of mechanical dilator (D), an axle (D2), multiple umbrellas manufactured above
Strut body, when support in place after, teleflex (C) is exited, AS1 types support can be automatically springed open, if flicked not
Fully, these umbrellas are turned on and strut body, help support to strut.
6. it is according to claim 1 a kind of with the tubular intravascular stent that can bend of the circumference to slot,
Its further feature is：Piece AS supports (E) that are made by plastic material, support annulus is into plasticity support
Mouth is not turned off on annulus, annulus, is the O-shaped AS supports of a plasticity, referred to as AS2 types support, the inside puts one
Individual fluid pressure type dilator (B), it struts the plasticity support annulus (E that section is Fig. 4 .1a) and dilator (Ba),
(Ea) and (Ba) turn into Fig. 4 .2 flat-shaped section (E after flatteningb) and (Bb), its two ends is not flattened, with
Recover circular beneficial to support, then by flat-shaped (Eb) and (Bb) it is wound into involute-shaped cross section (Ec) and (Bc),
Then it is inserted in teleflex (C), as the involute shape support and dilator that section is Fig. 4 .3, when support is arrived
Behind position, teleflex (C) is exited, pressure fluid is injected to fluid pressure type dilator (B), AS2 types support can be softened.
7. it is according to claim 1 a kind of with the tubular intravascular stent that can bend of the circumference to slot,
Its further feature is：A piece AS2 types support (E), is bent into multi-corner star-shape (Ed, Fig. 4 .3), the inside
A fluid pressure type dilator (B) is put, includes dilator (Fig. 4 .4, B of evolvent type compressionc) and star compression
Dilator (Fig. 4 .5, Bd)。
8. it is according to claim 1 a kind of with the tubular intravascular stent that can bend of the circumference to slot,
Its further feature is：The material of elastic support annulus (A1) and dowel (A3) in AS1 type supports is put
Change spring wire into, weld, become spring wire form AS3 type supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257923.4A CN107303209B (en) | 2016-04-17 | 2016-04-17 | With circumference to slot can be with curved tubular intravascular stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257923.4A CN107303209B (en) | 2016-04-17 | 2016-04-17 | With circumference to slot can be with curved tubular intravascular stent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107303209A true CN107303209A (en) | 2017-10-31 |
| CN107303209B CN107303209B (en) | 2019-05-24 |
Family
ID=60150483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610257923.4A Expired - Fee Related CN107303209B (en) | 2016-04-17 | 2016-04-17 | With circumference to slot can be with curved tubular intravascular stent |
Country Status (1)
| Country | Link |
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| CN (1) | CN107303209B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108606861A (en) * | 2018-05-07 | 2018-10-02 | 哈尔滨工业大学 | A kind of imitative glass sponge holder and preparation method thereof |
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|---|---|---|---|---|
| CN1210021A (en) * | 1998-07-02 | 1999-03-10 | 天津大学形状记忆材料工程研究中心 | Self expansive stand |
| WO2005037138A2 (en) * | 2003-10-14 | 2005-04-28 | Peacock James C Iii | Aneurysm treatment system and method |
| CN101909545A (en) * | 2008-01-11 | 2010-12-08 | 戈尔企业控股股份有限公司 | Stent having adjacent elements connected by flexible webs |
| CN102085396A (en) * | 2009-12-02 | 2011-06-08 | 复旦大学附属肿瘤医院 | Medicine-carrying biodegradable vena cava filter and preparation method thereof |
| CN102793963A (en) * | 2011-05-23 | 2012-11-28 | 郭红 | Blood vessel expanding pipe with cut seams |
| CN206372163U (en) * | 2016-04-17 | 2017-08-04 | 郭红 | With the tubular intravascular stent that can be bent from circumference to slot |
-
2016
- 2016-04-17 CN CN201610257923.4A patent/CN107303209B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210021A (en) * | 1998-07-02 | 1999-03-10 | 天津大学形状记忆材料工程研究中心 | Self expansive stand |
| WO2005037138A2 (en) * | 2003-10-14 | 2005-04-28 | Peacock James C Iii | Aneurysm treatment system and method |
| CN101909545A (en) * | 2008-01-11 | 2010-12-08 | 戈尔企业控股股份有限公司 | Stent having adjacent elements connected by flexible webs |
| CN102085396A (en) * | 2009-12-02 | 2011-06-08 | 复旦大学附属肿瘤医院 | Medicine-carrying biodegradable vena cava filter and preparation method thereof |
| CN102793963A (en) * | 2011-05-23 | 2012-11-28 | 郭红 | Blood vessel expanding pipe with cut seams |
| CN206372163U (en) * | 2016-04-17 | 2017-08-04 | 郭红 | With the tubular intravascular stent that can be bent from circumference to slot |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108606861A (en) * | 2018-05-07 | 2018-10-02 | 哈尔滨工业大学 | A kind of imitative glass sponge holder and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107303209B (en) | 2019-05-24 |
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