CN110433016A - Straight type stomach alimentary stent - Google Patents
Straight type stomach alimentary stent Download PDFInfo
- Publication number
- CN110433016A CN110433016A CN201910731317.5A CN201910731317A CN110433016A CN 110433016 A CN110433016 A CN 110433016A CN 201910731317 A CN201910731317 A CN 201910731317A CN 110433016 A CN110433016 A CN 110433016A
- Authority
- CN
- China
- Prior art keywords
- ring part
- straight type
- ring
- alimentary stent
- type stomach
- 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
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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
- A61F2/86—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
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0067—Means for introducing or releasing pharmaceutical products into the body
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention provides a kind of straight type stomach alimentary stent, purpose is that solve the straight type alimentary stent of tradition is not easy to shrink in merging, and the problem of squeezing and be easy to fall off with tissue is be easy to cause after being placed in, it is the main part of straight-tube shape including a main body, main part includes the skeleton portion for multiple annular spaces distribution that the ring part at main part both ends further includes between two ring parts, contractive effect is obvious, can easily be placed in inside apparatus for placing, and cost substantially reduce be conducive to patient carry out using；In addition, in order to which by spraying drug in protein line fine flour, realization carries drug to sufferer, and realizes that slow release absorbs, can realize the structure of fixed point drug delivery by winding protein line absorbed by the body for attachment buckle.
Description
Technical field
The present invention relates to gastral support member, in particular to a kind of straight type stomach alimentary stent.
Background technique
Tumor in digestive tract is in treatment clinical course, in order to place the feed of alimentary canal occlusive effects or defecation, merging digestion
Road bracket is more commonly used treatment method.The cantilever type of the straight generally-straight type of type alimentary stent, alimentary stent into
Stability after the merging complexity of alimentary stent, merging must be taken into consideration when row merging and after being placed in and with alimentary canal inner wall
Degree of cooperation problem.
It is traditional when considering bracket merging complexity, in order to reduce the difficulty of merging, usual alimentary stent is used
The frivolous hollow mesh structure of integrated woven, lesser body can be shrunk in merging by being realized using the flexibility of its own
Product unit, realizes the effect for facilitating merging.But said mechanism is high for weaving, braided material and equipment requirement, makes
Price is very high when being circulated to consumer at alimentary stent, causes great economic pressures to patient.
And the alimentary stent after being placed in order to prevent causes to be easy cunning after merging since the linear type of itself designs
It is de-, cause stent migration to be even detached from.To solve the above-mentioned problems, existing bracket is usually in the end integrated woven shape of bracket
At the structure of radius change, to realize structure closer with human contact after merging, but above structure is in order to realize more
Stable clamping certainly will push against alimentary canal inner wall, although there is the protective action of plated film, with gastral wriggling
And movement, it is easy to that alimentary canal inner wall is caused to squeeze bleeding even damage, infection, on the other hand the braiding structure of abnormity, right
There are higher technical requirements in braiding apparatus and weaving, natural cost is also higher.
Existing alimentary stent is also equipped with the effect that drug is sent to affected area other than the effect of support, but existing
Some alimentary stents are mostly used carries out fixed drug or spraying slow releasing medicinal nitride layer in the braided wires that bracket is constituted, but passes through
Crossing spraying medicine layer must directly contact with lesion, this just needs braided wires needs and human contact, therefore the branch of this type
Frame cannot carry out overlay film to bracket, and the problem caused by overlay film that is unable to is it will be apparent that tissue can be with the mesh of bracket
Contact is close, and special human body cambium is easy to cause cambium and work out mesh to grow together during the growth process
Situation causes greatly to perplex to the treatment in later period.
Summary of the invention
For above situation, the purpose of the present invention is just to provide a kind of straight type stomach alimentary stent, it is therefore intended that solution
Certainly the straight type alimentary stent of tradition is not easy to shrink in merging, and be easy to cause after being placed in and squeeze and be easy to fall off with tissue
The problem of.
Its technical solution is, is the main part of straight-tube shape including a main body, the main part is including being located at main part both ends
The ring part at place further includes the skeleton portion of multiple annular spaces distribution between two ring parts, is set respectively on the ring part
There is a fine crack portion, form the structure that ring part can be shunk by fine crack portion, the skeleton portion is configured as middle part can be by
The structure of radial contraction is pressed, is respectively equipped with the supporting element being knitted to form around skeleton portion in each skeleton portion；Each skeleton
It is equipped with pin-joint mechanism at both ends between ring part respectively, each skeleton can drive supporting element to pass through pin-joint mechanism to ring part
The structure of radial rotating at center.
In above-mentioned or some embodiments, each skeleton portion includes the bar shaped being spaced apart between two ring parts
Part, the supporting element are formed by profile around strip piece and are knitted to form.
In above-mentioned or some embodiments, the end of each strip piece is additionally provided with the rotation section connecting with ring part, respectively
Generally compatible arcuate structure, the rotation section include and ring part section under natural conditions with ring part for the rotation section
The corresponding rotation slot of diameter, the rotation slot are U-shaped trough body structure, and the rotation slot includes being open towards at ring part center
First groove body portion further includes the second groove body portion that opening is directed away from ring part center, first groove body portion and the second slot
It is the annular sleeve being socketed at ring part between body portion.
In above-mentioned or some embodiments, the ring part further includes fixing groove, and the fixing groove is along the end face of ring part
Move towards setting, the fixing groove be opening U-shaped trough body structure, the fixing groove opening direction and ring part axis direction
It is identical.
In above-mentioned or some embodiments, at the medial surface of the annular sleeve be equipped with it is corresponding with ring portion outer surface by
Mouthful, it is described to be used to be adapted when ring part is rotated relative to rotation section with ring part surface by mouth, and it is described by mouth using rigid
Property material is made.
In above-mentioned or some embodiments, the support surface lays protective film layer, the protective film layer and human body
Multiple array arrangements are equipped at the surface of contact into the attachment button of recess distribution, the attachment button includes tangent with protective film layer
Cap body portion is equipped with gap between the cap body portion and protective film layer.
In above-mentioned or some embodiments, the opening closing of first groove body and the second groove body is equipped with elastic membrane, shape
When relatively rotating at the ring part and rotation section, ring part is by the membrane-bound structure of elasticity.
In above-mentioned or some embodiments, the ring part at the fine crack portion includes a curved end, and the curved end is equipped with
The transition part of arc, the curved end are located in fixing groove, are formed when ring part is shunk, curved end is along fixing groove sliding and shape
Circularize the structure of portion's contraction.
In above-mentioned or some embodiments, the curved end is equipped with anti-decylization, and the decylization of putting is fixed with curved end snapping,
Catching groove that is multiple and putting decylization cooperation is equipped at the curved end.
Compared with prior art, for traditional stomach support frame when being placed, volume contraction often relies on braiding
The characteristic of itself of structure or bracket is contracted in apparatus for placing, and above-mentioned bracket has spy for weaving and material
Different requirement, causes that stomach bracket cost is high, and this product, without particular/special requirement, only relies upon internal component for weaving
Cooperatively form contraction structure, and contractive effect is obvious, can easily be placed in inside apparatus for placing, and cost has substantially reduced
Conducive to patient carry out using；In addition, can be by winding protein line absorbed by the body, in order to by egg for attachment buckle
White line fine flour sprays drug, and realization carries drug to sufferer, and realizes that slow release absorbs, and realizes the knot of fixed point drug delivery
Structure.
Detailed description of the invention
Fig. 1 is the main view of an embodiment of scheme involved by this patent.
Fig. 2 is the cooperation schematic diagram of ring part and multiple rotation sections in an implementation involved by this patent.
Fig. 3 is the side schematic view of Fig. 2.
Fig. 4 is the enlarged diagram of part A in Fig. 3.
Fig. 5 is the structural schematic diagram of rotation section in an implementation involved by this patent.
Fig. 6 is the diagrammatic cross-section of rotation section shown in fig. 5.
Fig. 7 is the rotation schematic diagram of wherein rotation section and ring part in an embodiment.
Fig. 8 is the structural schematic diagram of a protective film layer wherein embodiment in this programme.
Fig. 9 is the side schematic view of a protective film layer wherein embodiment in this programme.
Figure 10 is the enlarged diagram of part B in Fig. 9.
Specific embodiment
In order to become apparent from and completely illustrate that core of the invention is conceived, below with reference to specific embodiment to this hair
It is bright to be further described and illustrate.It should be noted that following specific embodiments are intended to illustrate the concept of the present invention, and unexpectedly
Taste implementation of the invention is defined, therefore implementation of the invention includes but is not limited to that present specification is remembered
The content of load, those skilled in the art are with according to replacement made by present inventive concept and evading and should also be as being considered to belong to the present invention
Range claimed or that authorization should not be obtained.
In the technical scheme, described product is mainly used in stomach straight type section, and major function is to play support disease
The effect in affected part.Tube structure of the product main body portion for type always in this programme, the both ends open of the structure, including it is located at two
Ring part 100 at end and the skeleton portion 200 between ring part 100.The effect in skeleton portion 200 is to play specific support
Effect is equipped with rotatable structure to realize the contraction of the volume when placing between skeleton portion 200 and ring part 100, realize
Ring part 100 can be configured as needed at the rotation of middle skeleton to the structure of 100 center rotating of ring part, such as turned
Dynamic place may be provided at the midpoint position of skeleton, at rotation when place located approximately at a midpoint, at least half of skeleton structure rotation
To 100 inner ring of ring part, it is now placed in the skeleton portion 200 outside ring part 100 and receipts is realized by the deformation of rotation section 202
Contracting；The close edge position that may also be arranged on skeleton portion 200 at certain rotation, when ring part 100 is shunk, skeleton portion
200 most of structure turns at the inner ring of ring part 100, and when carrying out placement bracket, contraction a part of volume is logical
The rotation for crossing skeleton portion 200 is completed, and for another aspect ring part 100 when driving skeleton portion 200 to rotate, there is phase in each skeleton portion 200
The trend being mutually overlapped further includes that the deformation of rotation section 202 is formed by contraction, to realize the volume when shrinking in each skeleton portion 200
The problem of diminution.
In above-mentioned or some embodiments, the difference of ring part 100 and 201 contraction distortion amount of strip piece is except through itself
Shape also further controls the shrinkage of ring part 100, specifically in the gap of ring part 100 outside realizing by putting decylization
Anti-decylization 102 is arranged in the curved end 101 at place, and in above-mentioned or some embodiments, the ring part 100 at the fine crack portion includes one
Curved end 101, the curved end 101 are equipped with the transition part of arc, and the curved end 101 is located in fixing groove 20205, and formation is worked as
Ring part 100 shrink when, curved end 101 along fixing groove 20205 slide and formed ring part 100 contraction structure, it is described put it is de-
Ring is fixed with curved end 101 by being plastically deformed snapping, and catching groove that is multiple and putting decylization cooperation is equipped at the curved end 101
103, the peripheral diameter of retaining ring is greater than the diameter of fixing groove 20205, can play and prevent the bending section of ring part 100 along fixing groove
The structure of 20205 slidings, and then realize the control of 100 diameter distortion amount of ring part.
In above-mentioned implementation, the ring part 100 at both ends is made of the preferable steel wire of elastic property, in order to keep
Preferable intensity and elasticity capacity, the skeleton portion 200 include strip piece 201 and positioned at 201 end of strip piece and be fixedly connected
Rotation section 202, in the embodiment shown in fig. 1, each skeleton respectively includes a rotation section 202 and two strip pieces 201, then golden
Belong to silk and be woven in formation supporting element 300 at the outer profile of the formation of strip piece 201, the supporting element 300 after being knitted to form forms similar
Laminated structure with partial cylindrical shapes outer surface, strip piece 201 is using elastic material identical with annular in scheme, and turns
Dynamic portion 202 is then reusable to receive human body disease after bracket is placed in human body with the preferable silica gel material of biological tissue of human body adaptability
Suffer from the extruding at tissue, strip piece 201 is easier to form the structure that middle part is shunk, and 100 shrinkage of ring part at both ends is smaller,
It is thicker that it is formed diameter at both ends in turn, the thinner dumbbell structure in middle part realizes that bracket formation is automatically prevented from the knot to fall off
Structure.
In above-mentioned or some embodiments, realize that the structure of 200 opposed annular portion 100, skeleton portion rotation is pin-joint mechanism,
In embodiment as shown in Figure 5-Figure 7, pin-joint mechanism is realized by the groove body being located on rotation section 202, specifically respectively
The rotation section 202 is generally with the compatible arcuate structure under natural conditions of ring part 100, and each rotation section 202 is in ring part
It is spaced annular spread on 100, is correspondingly arranged with each supporting element 300, each rotation section 202 includes the steel wire with formation ring part 100
Or the corresponding rotation slot of other component diameter of section, each rotation slot are U-shaped trough body structure, the rotation slot includes being open towards ring
The first groove body portion 20201 at 100 center of shape portion further includes the second groove body portion that opening is directed away from 100 center of ring part
20202, the annular sleeve at ring part 100 is socketed between first groove body portion 20201 and the second groove body portion 20202
20203, it is equipped at the medial surface of annular sleeve 20203 corresponding with 100 outer surface of ring part by mouth 20204, is used for by mouth 20204
It is adapted when ring part 100 is rotated relative to rotation section 202 with 100 surface of ring part, and is used rigid material by mouth 20204
It is made namely rotation section 202 by mouth 20204 with ring part 100 by being contacted, be and 20203 profile pair of annular sleeve by mouth 20204
The structure answered, the first groove body portion 20201 and the second groove body portion 20202 can need to be configured size according to what rotation was shunk,
I.e. the size in the first groove body portion 20201 and the second groove body portion 20202 is not necessarily identical.
In above-mentioned or some embodiments, in order to further control the deformation of ring part 100, the ring part 100 is also wrapped
Fixing groove 20205 is included, for the fixing groove 20205 along the setting of moving towards of the end face of ring part 100, the fixing groove 20205 is to open
The opening direction of the U-shaped trough body structure of mouth, the fixing groove 20205 is identical as 100 axis direction of ring part, when ring part 100
When being deformed, curved end 101 is slid in fixing groove 20205.
In above-mentioned or some embodiments, protective film layer 301, the protective film layer 301 are laid in 300 surface of supporting element
The surface with human contact at be equipped with multiple array arrangements into the attachment button 302 of recess distribution, the recess of protective film layer is used
In arrangement attachment button, the attachment button 302 includes the cap body portion tangent with protective film layer 301, the surface in cap body portion and protective film
Layer surface flushes, and gap 304 is equipped between the cap body portion and protective film layer 301, drug can be coated with when specifically used
Protein line be wound to attachment button 302 at, realize that the fixed point of drug is delivered at sufferer, in order to further realize medicament slow release
Effect, attachment are buckled equipped with perforative sustained release hole 303, and one end is connected at protein line, and one end is exposed at cap body portion.
In above-mentioned or some embodiments, the opening closing of first groove body and the second groove body is equipped with elastic membrane 203,
Elastic membrane 203 is made of the pellosil of 0.2-0.5mm, when forming the ring part 100 with the relative rotation of rotation section 202, ring
The structure that shape portion 100 is constrained by elastic membrane 203.
Compared with prior art, for traditional stomach support frame when being placed, volume contraction often relies on braiding
The characteristic of itself of structure or bracket is contracted in apparatus for placing, and above-mentioned bracket has spy for weaving and material
Different requirement, causes that stomach bracket cost is high, and this product, without particular/special requirement, only relies upon internal component for weaving
Cooperatively form contraction structure, and contractive effect is obvious, can easily be placed in inside apparatus for placing, and cost has substantially reduced
Conducive to patient carry out using；In addition, for can be by winding protein line absorbed by the body, in order to pass through at attachment button 302
Drug is sprayed in protein line fine flour, realization carries drug to sufferer, and realizes that slow release absorbs, and realizes fixed point drug delivery
Structure.
Claims (9)
1. straight type stomach alimentary stent is the main part of straight-tube shape including a main body, which is characterized in that the main part packet
Including the ring part (100) being located at main part both ends further includes multiple annular spaces distribution between two ring parts (100)
Skeleton portion (200), a fine crack portion is respectively equipped on the ring part (100), formed ring part (100) can by fine crack portion into
The structure that row is shunk, the skeleton portion (200), which is configured as middle part, can be pressurized the structure of radial contraction, each skeleton portion
(200) supporting element (300) being knitted to form around skeleton portion (200) is respectively equipped on；At the both ends of each skeleton respectively with ring
Pin-joint mechanism is equipped between shape portion (100), each skeleton can drive supporting element (300) to pass through pin-joint mechanism to ring part
(100) at center radial rotating structure.
2. straight type stomach alimentary stent according to claim 1, which is characterized in that each skeleton portion (200) packet
The strip piece (201) being spaced apart between two ring parts (100) is included, the supporting element (300) is around strip piece (201) institute shape
At profile be knitted to form.
3. straight type stomach alimentary stent according to claim 2, which is characterized in that each strip piece (201)
End is additionally provided with the rotation section (202) connecting with ring part (100), each rotation section (202) generally with ring part (100)
Compatible arcuate structure under natural conditions, the rotation section (202) include rotation corresponding with ring part (100) diameter of section
Slot, the rotation slot are U-shaped trough body structure, and the rotation slot includes being open towards the first groove body at ring part (100) center
Portion (20201) further includes the second groove body portion (20202) that opening is directed away from ring part (100) center, first groove body
It is the annular sleeve (20203) being socketed at ring part (100) between portion (20201) and the second groove body portion (20202).
4. straight type stomach alimentary stent according to claim 2 or 3, which is characterized in that the ring part (100) is also
Including fixing groove (20205), the fixing groove (20205) moves towards setting, the fixing groove along the end face of ring part (100)
It (20205) is the U-shaped trough body structure of opening, opening direction and ring part (100) the axis direction phase of the fixing groove (20205)
Together.
5. straight type stomach alimentary stent according to claim 4, which is characterized in that the annular sleeve (20203)
It is described to be used for by mouth (20204) in ring part equipped with corresponding with ring part (100) outer surface by mouth (20204) at medial surface
(100) relative to rotation section (202) rotate when with ring part (100) surface be adapted, and it is described by mouth (20204) using rigidity
Material is made.
6. straight type stomach alimentary stent according to claim 4, which is characterized in that supporting element (300) surface
It lays protective film layer (301), multiple array arrangements is equipped at the surface with human contact of the protective film layer (301) into recess
The attachment button (302) of distribution, attachment button (302) include the cap body portion tangent with protective film layer (301), the cap body portion with
Gap is equipped between protective film layer (301).
7. straight type stomach alimentary stent according to claim 3, which is characterized in that first groove body portion and second
The opening closing in groove body portion is equipped with elastic membrane (203), when forming the ring part (100) and rotation section (202) relative rotation,
The structure that ring part (100) is constrained by elastic membrane (203).
8. straight type stomach alimentary stent according to claim 6 or 7, which is characterized in that the ring at the fine crack portion
Shape portion (100) includes a curved end (101), and the curved end (101) is equipped with the transition part of arc, curved end (101) position
In fixing groove (20205), formed when ring part (100) are shunk, curved end (101) is along fixing groove (20205) sliding and shape
Circularize the structure of portion (100) contraction.
9. straight type stomach alimentary stent according to claim 8, which is characterized in that the curved end (101) is equipped with
Anti-decylization (102), the decylization of putting are fixed with curved end (101) snapping, are equipped with multiple at the curved end (101) and are put decylization
The catching groove (103) of cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731317.5A CN110433016A (en) | 2019-08-08 | 2019-08-08 | Straight type stomach alimentary stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731317.5A CN110433016A (en) | 2019-08-08 | 2019-08-08 | Straight type stomach alimentary stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110433016A true CN110433016A (en) | 2019-11-12 |
Family
ID=68434096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910731317.5A Pending CN110433016A (en) | 2019-08-08 | 2019-08-08 | Straight type stomach alimentary stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110433016A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467099A (en) * | 2020-04-16 | 2020-07-31 | 四川大学华西医院 | Intravascular multilayer bare stent system |
| CN113367837A (en) * | 2021-05-18 | 2021-09-10 | 罗文达 | General aorta bracket for medical treatment |
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|---|---|---|---|---|
| WO1996014030A1 (en) * | 1994-11-07 | 1996-05-17 | Scimed Life Systems, Inc. | Expandable stent using sliding members |
| US5556413A (en) * | 1994-03-11 | 1996-09-17 | Advanced Cardiovascular Systems, Inc. | Coiled stent with locking ends |
| US5797951A (en) * | 1995-08-09 | 1998-08-25 | Mueller; Edward Gene | Expandable support member |
| CN1345209A (en) * | 1999-04-01 | 2002-04-17 | Md3公司 | Ladder-type expandable stent |
| WO2010022005A1 (en) * | 2008-08-18 | 2010-02-25 | Reva Medical, Inc. | Axially nested slide and lock expandable device |
| CN102245127A (en) * | 2008-10-10 | 2011-11-16 | 雷瓦医药公司 | Expandable slide and lock stent |
| US20120191177A1 (en) * | 2011-01-20 | 2012-07-26 | Medtronic Vascular, Inc. | Tubular Helical Stent With Rotatable Connections and Method of Making |
| US20140364935A1 (en) * | 2013-06-05 | 2014-12-11 | Abbott Cardiovascular Systems Inc. | Coupled scaffold segments |
| CN109561955A (en) * | 2016-05-16 | 2019-04-02 | 万能医药公司 | Strut bracket |
-
2019
- 2019-08-08 CN CN201910731317.5A patent/CN110433016A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556413A (en) * | 1994-03-11 | 1996-09-17 | Advanced Cardiovascular Systems, Inc. | Coiled stent with locking ends |
| WO1996014030A1 (en) * | 1994-11-07 | 1996-05-17 | Scimed Life Systems, Inc. | Expandable stent using sliding members |
| US5797951A (en) * | 1995-08-09 | 1998-08-25 | Mueller; Edward Gene | Expandable support member |
| CN1345209A (en) * | 1999-04-01 | 2002-04-17 | Md3公司 | Ladder-type expandable stent |
| WO2010022005A1 (en) * | 2008-08-18 | 2010-02-25 | Reva Medical, Inc. | Axially nested slide and lock expandable device |
| CN102245127A (en) * | 2008-10-10 | 2011-11-16 | 雷瓦医药公司 | Expandable slide and lock stent |
| US20120191177A1 (en) * | 2011-01-20 | 2012-07-26 | Medtronic Vascular, Inc. | Tubular Helical Stent With Rotatable Connections and Method of Making |
| US20140364935A1 (en) * | 2013-06-05 | 2014-12-11 | Abbott Cardiovascular Systems Inc. | Coupled scaffold segments |
| CN109561955A (en) * | 2016-05-16 | 2019-04-02 | 万能医药公司 | Strut bracket |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467099A (en) * | 2020-04-16 | 2020-07-31 | 四川大学华西医院 | Intravascular multilayer bare stent system |
| CN113367837A (en) * | 2021-05-18 | 2021-09-10 | 罗文达 | General aorta bracket for medical treatment |
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Application publication date: 20191112 |
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