CN108542552A - Intravascular stent and its application method - Google Patents
Intravascular stent and its application method Download PDFInfo
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- CN108542552A CN108542552A CN201810189791.5A CN201810189791A CN108542552A CN 108542552 A CN108542552 A CN 108542552A CN 201810189791 A CN201810189791 A CN 201810189791A CN 108542552 A CN108542552 A CN 108542552A
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- intravascular stent
- slotted vane
- sacculus
- holder
- net beam
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 210000004204 blood vessel Anatomy 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 19
- 230000003902 lesion Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000338 in vitro Methods 0.000 description 6
- 210000004351 coronary vessel Anatomy 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 208000037803 restenosis Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013486 operation strategy Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000013146 percutaneous coronary intervention Methods 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 231100000216 vascular lesion Toxicity 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—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
-
- 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
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)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of intravascular stent and its application methods.Intravascular stent includes：Sacculus and the holder net beam for surrounding the sacculus；Central chamber runs through the sacculus；Slotted vane runs through the intravascular stent, and the slotted vane has notch, and the notch is opposite with the holder net beam, is passed through for seal wire in the slotted vane, forms the periphery chamber of the intravascular stent.The present invention can realize passes through intravascular stent outside wire guides, enormously simplifies originally complicated operation, reduces operating difficulty, improve success rate of operation, shorten operating time.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly, to a kind of intravascular stent and its application method.
Background technology
Intravascular stent is usually made of holder and/or transport system.There is usually one central chambers, for guiding seal wire guiding
Holder reaches at vascular lesion.Holder first usually is discharged in bifurcation when treating bifurcated lesions, if branch to be intervened
It needs to pass through holder net beam with seal wire under fluoroscopy and enters branch, then sacculus, holder is guided to pass through holder net beam and enter branch.
Bifurcation coronary artery is a kind of complex lesions type of Coronary Artery Disease Intervention Treatment, accounts for about all interventional treatment and suffers from
The 15%~20% of person is still the emphasis of domestic and international intervention doctor research and the weight of percutaneous coronary intervention (pci) at present
One of challenge.Its success rate of operation is relatively low, and restenosis incidence is higher.Current processing strategy is broadly divided into single-side stand art
(branch stent implantation when necessary) and double bracket implantation.Its main problem has：Another branch ostium is blocked in patch displacement；Seal wire
Across holder mesh, it is difficult by sacculus or holder, it is finally low with " holder when necessary " success rate to kiss expansion；Side branch ostium
Main branch deformation of timbering after expansion；The metal load weight of bifurcation and the lesion covering of holder when necessary are not all blood when double bracket
Bolt is formed and the hidden danger of restenosis；Operation is complicated, and the technology and experience of patient often decide whether operation succeeds.
It is very necessary to explore a kind of technology simplifying complicated bifurcated lesions treatment.Simplify bifurcated lesions intervention at present
There are two ways to treatment：Bifurcated special stand and external seal wire pass through holder mesh technology.Bifurcated special stand mainly has 3
Class:Bifurcated stent, spine holder and the side branch holder of branch openings.Since the position of bifurcated lesions is different, length of lesion and master,
Branch vessel angle is different, therefore is difficult to produce a kind of bifurcated stent suitable for different lesions blood vessel.Related bifurcated is special at present
It is also less with the clinical prognosis data of holder, clinically also fail to conventional use.External seal wire, which passes through holder mesh technology, list
The petal technology of ring Culotte stentings, Szabo technologies and improvement, but these technologies are built upon to original-pack ordinary stent knot
On the basis of structure progress destructiveness is pretreated, there are the de- loads of holder and merging after-poppet proximal end steel for Szabo technologies and petal technology
The risk of beam deformation, and the external seal wire crossing technology of monocycle Culotte stentings is straight in vitro with the main hard end of branch seal wire
Connect the least significant end support ring for passing through side branch holder, there are the risks that seal wire punctures holder sacculus, in addition cannot pass through holder other
The net beam at position, operation strategies are limited.
Therefore it provides a kind of can realize the intravascular stent and its application method that holder net beam is passed through outside wire guides, it is this
Field urgent problem to be solved.
Invention content
In view of this, the present invention provides a kind of intravascular stent and its application method, solves and pass through holder outside wire guides
The technical issues of net beam.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of intravascular stent, including：
Sacculus and the holder net beam for surrounding sacculus；
Central chamber runs through sacculus；
Slotted vane runs through intravascular stent, and slotted vane has notch, and notch is opposite with holder net beam, is passed through for seal wire in slotted vane,
Form the periphery chamber of intravascular stent.
Optionally, the making material of slotted vane is medical plastic.
Optionally, the making material of slotted vane is polyvinyl chloride or polypropylene.
Optionally, slotted vane includes slot bottom and two cell walls being connected with slot bottom,
In the section of the slotted vane on the direction that slotted vane extends：Slot bottom is semicircle.
Optionally, a diameter of 0.36mm of slot bottom；The height of cell wall is 0.18mm.
Optionally, the thickness of slotted vane is 0.1mm.
Optionally, slotted vane further includes slotted vane handle, and slotted vane handle is tilted to central cavity direction.
Optionally, when sacculus is expanded state, sacculus includes proximal shoulder and distal shoulder, and slotted vane is super through intravascular stent
Go out proximal shoulder, and exceed distal shoulder, slotted vane handle is located at distal shoulder side.
Optionally, the length of slotted vane handle is 3mm.
Further, the present invention also provides a kind of application method of intravascular stent, intravascular stent includes sacculus and encirclement ball
The holder net beam of capsule；Central chamber runs through sacculus；Slotted vane, runs through intravascular stent, and slotted vane has notch, notch and holder net beam phase
It is right, it is passed through for seal wire in slotted vane, forms the periphery chamber of intravascular stent；Application method includes：
Holder net beam is passed through into and out of periphery chamber outside wire guides；
Slotted vane is extracted out from intravascular stent.
Compared with prior art, intravascular stent of the invention and its application method realize following advantageous effect：
Intravascular stent provided by the invention includes central chamber and periphery chamber is total to two chambers, and central chamber and periphery intracavitary all may be used
To ensure that seal wire passes through, and seal wire pass through periphery intracavitary when, slotted vane can play a protective role to sacculus, and branch is passed through in seal wire
Ensure that sacculus is not damaged when frame net beam.Notch is corresponding with holder net beam in the present invention, and holder is worn without special setting seal wire
The opening crossed extracts seal wire after slotted vane out in use, seal wire can pass through the disengaging periphery chamber of the mesh on the arbitrary segment net beam of holder
Part is between holder net beam and sacculus, partly except holder, to realize that seal wire passes through intravascular stent in vitro.The present invention
It can realize and pass through holder net beam under being looked at straight outside wire guides, enormously simplify originally complicated operation, reduce operating difficulty, carry
High success rate of operation, shortens operating time.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the schematic side view of intravascular stent provided in an embodiment of the present invention；
Fig. 2 is the schematic cross-section of intravascular stent provided in an embodiment of the present invention；
Fig. 3 is a kind of optional embodiment schematic cross-section of intravascular stent provided in an embodiment of the present invention；
Fig. 4 is intravascular stent another kind optional embodiment schematic diagram provided in an embodiment of the present invention；
Fig. 5 is that seal wire passes through intravascular stent net beam into and out of periphery chamber status diagram；
Fig. 6 is seal wire and intravascular stent status diagram after slotted vane is extracted.
Specific implementation mode
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition having
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Fig. 1 is the schematic side view of intravascular stent provided in an embodiment of the present invention, and Fig. 2 is blood provided in an embodiment of the present invention
The schematic cross-section of pipe holder.
As shown in Figure 1, intravascular stent includes sacculus 101 and surrounds the holder net beam 102 of sacculus 101, holder net beam in Fig. 1
102 latticed only schematically shows；Central chamber 103 runs through sacculus 101；Slotted vane 104 runs through intravascular stent.Such as Fig. 2 institutes
Show, slotted vane 104 has notch K, and notch K is opposite with holder net beam 102, is passed through for seal wire in slotted vane 104, forms intravascular stent
Periphery chamber 105.Periphery chamber 105 is formed in the present invention between slotted vane 104 and holder net beam 102.Periphery chamber 105 and central chamber
103 is parallel.In intravascular stent provided by the invention, sacculus includes expanded state and contraction state, and Fig. 1 and Fig. 2 are at sacculus
The schematic diagram of intravascular stent when expanded state.
Intravascular stent provided by the invention includes central chamber and periphery chamber is total to two chambers, and central chamber and periphery intracavitary all may be used
To ensure that seal wire passes through, and seal wire pass through periphery intracavitary when, slotted vane can play a protective role to sacculus, and branch is passed through in seal wire
Ensure that sacculus is not damaged when frame net beam.Notch is corresponding with holder net beam in the present invention, and holder is worn without special setting seal wire
The opening crossed extracts seal wire after slotted vane out in use, seal wire can pass through the disengaging periphery chamber of the mesh on the arbitrary segment net beam of holder
Part is between holder net beam and sacculus, partly except holder, to realize that seal wire passes through intravascular stent in vitro.The present invention
It can realize and pass through holder net beam under being looked at straight outside wire guides, enormously simplify originally complicated operation, reduce operating difficulty, carry
High success rate of operation, shortens operating time.
It should be noted that in the present invention, slotted vane is practical to have certain thickness, in embodiment attached drawing provided by the invention
In the thickness of slotted vane is had ignored when being schematically shown to slotted vane.
Optionally, a slotted vane is only set in intravascular stent, ensure that holder passability and supporting structure it is close
Property so that the stent diameter before sacculus is full minimizes.
Further, the making material of slotted vane is medical plastic in intravascular stent provided by the invention.Such as hard polyvinyl chloride
(PVC), polypropylene (PP) etc., these materials are thin and tough and tensile, are not easy to be punctured by seal wire, are not easy by holder crimp, while can
Hettocyrtosis is easy to store.
Optionally, the thickness of slotted vane is 0.1mm.While ensureing slotted vane shape support periphery cavity configuration, ensure that slotted vane accounts for
According to space it is smaller, do not influence the overall radial width of intravascular stent.
Further, Fig. 3 is a kind of optional embodiment schematic cross-section of intravascular stent provided in an embodiment of the present invention.Such as
Shown in Fig. 3, slotted vane includes slot bottom 1041 and two cell walls 1042 being connected with slot bottom 1041, perpendicular to the side that slotted vane extends
Upwards, in the section of slotted vane：Slot bottom 1041 is semicircle.
Shown in Fig. 3, the diameter d of slot bottom 1041 is 0.36mm；The height h of cell wall 1042 is 0.18mm.The reality
It applies in mode, the setting of the size of slotted vane, which ensure that in the periphery chamber of intravascular stent, can accommodate 0.014 inch of a diameter
The coronary artery seal wire of (0.36mm) passes through.It can realize and pass through intravascular stent outside wire guides.
Further, Fig. 4 is intravascular stent another kind optional embodiment schematic diagram provided in an embodiment of the present invention, is such as schemed
Shown in 4, slotted vane 104 further includes slotted vane handle 1043, and slotted vane handle 1043 is tilted to 103 direction of central chamber.Slotted vane handle 1043
It is tilted a certain angle θ to 103 direction of central chamber, optionally, the size of angle, θ is 15 degree.Optionally, the length of slotted vane handle is
3mm.In the embodiment, slotted vane handle is tilted to central cavity direction, does not increase the radial width of holder, the setting of slotted vane handle
It is easy to the extraction of slotted vane.(i.e. contraction state) general diameter only has 1mm or so to intravascular stent before inflation, and slotted vane handle angle is too
Big or length is too long to be influenced to guide central chamber of the seal wire by holder, so the angle of slotted vane handle should not be too large in practice,
The length of slotted vane handle is also unsuitable too long.
Shown in Fig. 4, when sacculus 101 is expanded state, sacculus 101 includes proximal shoulder 1011 and distal shoulder
1012, slotted vane 104 exceeds proximal shoulder 1011 through intravascular stent, and exceeds distal shoulder 1012.Slotted vane handle 1043 is located at
1012 side of distal shoulder.Ensure that will not touch sacculus when seal wire passes through intravascular stent from periphery chamber, and sacculus is avoided to be led
Silk scratches and intravascular stent is made to scrap.In the embodiment, distal shoulder and proximal shoulder are located at the both ends of sacculus, distal end
The definition of shoulder and proximal shoulder is merely to distinguish two ends, when sacculus expanded state, the end expansion of sacculus
For bowed state, distal shoulder and proximal shoulder are respectively that sacculus exceeds the holder net beam portion point that separately beginning arc is expanded
It sets.
Optionally, length d1 of the slotted vane 104 beyond proximal shoulder 1011 is 2mm, and exceeds the length of distal shoulder 1012
D2 is 6mm, and slotted vane needs the constant for having certain, and slotted vane can play sacculus protection and make when ensureing that seal wire passes through periphery chamber
With the present invention does not limit the specific length of slotted vane, can be designed in practice according to the length of sacculus in intravascular stent.
In addition, intravascular stent provided by the invention is after producing, it, can be with the central chamber one of holder in packaging
Sample, on periphery, intracavitary is inserted into one and keeps periphery chamber shape and unobstructed protection wire.Protection is first extracted when using holder
It is reused after wire.
Further, the present invention also provides a kind of application method of intravascular stent, intravascular stent includes sacculus and encirclement ball
The holder net beam of capsule；Central chamber runs through sacculus；Slotted vane, runs through intravascular stent, and slotted vane has notch, notch and holder net beam phase
It is right, it is passed through for seal wire in slotted vane, forms the periphery chamber of intravascular stent；Application method includes：Holder net beam is passed through outside wire guides
Into and out of periphery chamber, realizes to pass through after holder outside wire guides and extract slotted vane from intravascular stent out.
The application method being capable of the outer crossing technology treatment bifurcation coronary artery of combination.Fig. 5 is that seal wire passes through blood vessel
Holder net beam is into and out of periphery chamber status diagram.Fig. 6 is seal wire and intravascular stent status diagram after slotted vane is extracted.Such as Fig. 6 institutes
Show, after extracting slotted vane 104,106 part of seal wire is between holder net beam 102 and sacculus 101, real partly except intravascular stent
Existing seal wire 106 passes through holder in vitro.It should be noted that Fig. 5 and Fig. 6, which are sacculus, is in expanded state schematic diagram, in practice
The periphery chamber of intravascular stent is passed through outside wire guides and after extracting slotted vane out in intravascular stent, sacculus is all in contraction state.
The application method of intravascular stent provided by the invention can be suitable for divided skirt stenting, extrusion rack art, T holder skills
Art, TAP technologies, reversal extrusion technique, also can be used in being accurately positioned for coronary ostium position.In traditional processing bifurcated
And/or in the common technology of opening lesion, holder is discharged in coronary artery bifurcation, under the perspective of x-ray, in body first
Holder mesh struggle with inside is passed through with seal wire, to complete the treatment of bifurcated lesions.And use intravascular stent provided by the invention
Application method, then can complete seal wire in vitro and pass through holder mesh, greatly simplify the operation of operation, improve procedure efficiency and
Success rate of operation.The outer crossing technology of combination of the present invention expands out the new technology of a series of cardio-vascular interventional therapeutic, new art formula,
It can also apply to the intracavitary interventional treatment at other vascular bifurcation positions.
By above-described embodiment it is found that the intravascular stent and its application method of the present invention, have reached following
Advantageous effect：
Intravascular stent provided by the invention includes central chamber and periphery chamber is total to two chambers, and central chamber and periphery intracavitary all may be used
To ensure that seal wire passes through, and seal wire pass through periphery intracavitary when, slotted vane can play a protective role to sacculus, and branch is passed through in seal wire
Ensure that sacculus is not damaged when frame net beam.Notch is corresponding with holder net beam in the present invention, and holder is worn without special setting seal wire
The opening crossed extracts seal wire after slotted vane out in use, seal wire can pass through the disengaging periphery chamber of the mesh on the arbitrary segment net beam of holder
Part is between holder net beam and sacculus, partly except holder, to realize that seal wire passes through intravascular stent in vitro.The present invention
It can realize and pass through holder net beam under being looked at straight outside wire guides, enormously simplify originally complicated operation, reduce operating difficulty, carry
High success rate of operation, shortens operating time.
Although some specific embodiments of the present invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to illustrating, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above example.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of intravascular stent, which is characterized in that including：
Sacculus and the holder net beam for surrounding the sacculus；
Central chamber runs through the sacculus；
Slotted vane runs through the intravascular stent, wherein the slotted vane has notch, and the notch is opposite with the holder net beam, institute
It states and is passed through for seal wire in slotted vane, form the periphery chamber of the intravascular stent.
2. intravascular stent according to claim 1, which is characterized in that
The making material of the slotted vane is medical plastic.
3. intravascular stent according to claim 2, which is characterized in that
The making material of the slotted vane is polyvinyl chloride or polypropylene.
4. intravascular stent according to claim 1, which is characterized in that
The slotted vane includes slot bottom and two cell walls being connected with the slot bottom,
In the section of the slotted vane on the direction that the slotted vane extends：The slot bottom is semicircle.
5. intravascular stent according to claim 4, which is characterized in that
A diameter of 0.36mm of the slot bottom；The height of the cell wall is 0.18mm.
6. intravascular stent according to claim 1, which is characterized in that
The thickness of the slotted vane is 0.1mm.
7. intravascular stent according to claim 1, which is characterized in that
The slotted vane further includes slotted vane handle, and the slotted vane handle is tilted to the central cavity direction.
8. intravascular stent according to claim 7, which is characterized in that
When the sacculus is expanded state, the sacculus includes proximal shoulder and distal shoulder, and the slotted vane runs through the blood vessel
Holder exceeds the proximal shoulder, and exceeds the distal shoulder, wherein the slotted vane handle is located at the distal shoulder one
Side.
9. intravascular stent according to claim 7, which is characterized in that
The length of the slotted vane handle is 3mm.
10. a kind of application method of intravascular stent, which is characterized in that the intravascular stent includes sacculus and the encirclement sacculus
Holder net beam；Central chamber runs through the sacculus；Slotted vane, runs through the intravascular stent, and the slotted vane has notch, the notch
It is opposite with the holder net beam, it is passed through for seal wire in the slotted vane, forms the periphery chamber of the intravascular stent；The user
Method includes：
The holder net beam is passed through into and out of the periphery chamber outside wire guides；
The slotted vane is extracted out from the intravascular stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189791.5A CN108542552A (en) | 2018-03-08 | 2018-03-08 | Intravascular stent and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189791.5A CN108542552A (en) | 2018-03-08 | 2018-03-08 | Intravascular stent and its application method |
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| CN108542552A true CN108542552A (en) | 2018-09-18 |
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| CN201810189791.5A Pending CN108542552A (en) | 2018-03-08 | 2018-03-08 | Intravascular stent and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111700659A (en) * | 2020-05-06 | 2020-09-25 | 中国人民解放军陆军军医大学第一附属医院 | Intracavitary blood vessel flow guiding device |
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| CN208552126U (en) * | 2018-03-08 | 2019-03-01 | 广西中医药大学第一附属医院 | Intravascular stent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111700659A (en) * | 2020-05-06 | 2020-09-25 | 中国人民解放军陆军军医大学第一附属医院 | Intracavitary blood vessel flow guiding device |
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