CN108742962A - A kind of stent delivery system - Google Patents
A kind of stent delivery system Download PDFInfo
- Publication number
- CN108742962A CN108742962A CN201810602970.7A CN201810602970A CN108742962A CN 108742962 A CN108742962 A CN 108742962A CN 201810602970 A CN201810602970 A CN 201810602970A CN 108742962 A CN108742962 A CN 108742962A
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- Prior art keywords
- section
- stent delivery
- delivery system
- push
- backwash
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- 239000000463 material Substances 0.000 claims abstract description 18
- 238000004064 recycling Methods 0.000 claims description 27
- 238000007493 shaping process Methods 0.000 claims description 18
- 210000004204 blood vessel Anatomy 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 7
- 238000003032 molecular docking Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 3
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000008676 import Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000011218 segmentation Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 11
- 230000006378 damage Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000002792 vascular Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 231100000216 vascular lesion Toxicity 0.000 description 2
- 238000012276 Endovascular treatment Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011282 treatment Methods 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
- A61F2/95—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
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
-
- 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
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
- A61F2002/9665—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod with additional retaining means
-
- 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
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
Abstract
The present invention relates to the field of medical instrument technology more particularly to a kind of stent delivery systems.The stent delivery system includes push seal wire, and push seal wire is used for the conveying of holder, and is arranged using segmented；Sheath is imported, the external loading for importing sheath for holder and push seal wire is docked with microtubular；Backwash bolt, the backwash bolt is for connecting syringe and importing sheath；It is tethered by setting backwash and connects syringe and import sheath, syringe can conveniently and efficiently rinse holder in the way of Y-valve progress backwash relative to tradition, and backwash operation is simply and time-consuming short；By pushing the setting of guidewire segmentation formula, varying strength and the material of toughness can be used in every section of push seal wire, also the selection that can have thickness different is adapted to the individual demand of patient, selects suitable holder transportation section according to diseased region present position and pushes the material and length of section.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of stent delivery systems.
Background technology
Currently, support technology has the characteristics that small wound, few intercurrent disease, effect are good as the new technology of endovascular treatment,
It has been increasingly becoming the aneurysmal main method for the treatment of.
Support technology is typically to be entered stent pushing in pre-set microtubular by transport system, and then will prop up
Frame is implanted in vivo.
The holder being pre-loaded with enter microtubular before need carry out backwash, usual backwash be by Y-valve or directly
It is docked with syringe and imports sheath, the complicated for operation and time is long, and syringe directly docks importing sheath and is easy to cause to importing sheath distal
Injury.
Currently, when importing sheath is docked with microtubular, it usually needs import the tapering point and microtubular slitless connection ability of sheath
Holder is smoothly delivered into microtubular, meanwhile, in order to microtubular slitless connection, import sheath tapering point general thickness compared with
It is small, it is easy by breakage.
In general, the various pieces of stent delivery system are made of a complete seal wire, distal spring portions bending angle
Degree usually manufacture when it has been determined that patient it can not be carried out it is moulding；Transportation section needs together with holder through tortuous blood vessel,
Transportation section needs anti-discounting ability strong, and pliability is high；In order to facilitate transfer gantry, push section needs rigidity strong, can provide enough push away
Power is sent, it is difficult to reach two kinds of demands by a kind of material.
Invention content
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of stent delivery systems, to solve backwash of the existing technology
The complicated for operation and time is long, because stent delivery system is usually complete seal wire, can not meet simultaneously distal end it is moulding, transportation section is soft
The rigid strong problem of soft, push section.
(2) technical solution
In order to solve the above technical problems, the present invention provides a kind of stent delivery systems, including：
Seal wire is pushed, the push seal wire is used for the conveying of holder, and is arranged using segmented；
Sheath is imported, the external loading for importing sheath for holder and push seal wire is docked with microtubular；
Backwash bolt, the backwash bolt is for connecting syringe and importing sheath.
Wherein, the both ends of the backwash bolt respectively with syringe and import sheath grafting, the push seal wire includes：
Distal end shaping part, with moulding and adaptation curved blood vessel；
Transportation section is connect by connector with the proximal end of the distal end shaping part；
Supporting section is connect with the proximal end of the transportation section；
Section is pushed, is connect with the proximal end of the supporting section.
Wherein, the distal end shaping part includes the spring that round end, plasticity mandrel and radiopaque wire turn to,
The round end is connected to the distal end of the plasticity mandrel, and the spring is set on the plasticity mandrel, one end and the round end
Connection, the other end are connect with the connector.
Wherein, the connector is that identification rings are discharged made of developing material, the plasticity mandrel and the transportation section
Distal end is fastenedly connected by discharging identification rings.
Wherein, the transportation section includes conveying silk, the recycling pad being successively set on conveying silk, docking slave part and pushing away
Send part；The recycling pad is fixed by the becket at both ends, and recycling pad surface can be smooth flat, or recessed
Projection meter, the docking slave part are the spring or metal tube of metal coiling, and the humping section is cyclic structure.
Wherein, further include recycling mark, the recycling mark is located between conveying silk distal end and recycling pad
Position, the recycling are identified as the radiopaque becket of spring that radiopaque wire turns to.
Wherein, the supporting section is hypotube, and one end of the hypotube is connect with the humping section of the transportation section, separately
One end is connect by connector with the push section.
Wherein, the surface setting coating (such as polytetrafluoroethylene (PTFE)) and security identifier of the push section.
Wherein, the material of the push section is Nitinol or stainless steel.
Wherein, the plasticity mandrel, transportation section and push section are made from a variety of materials.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has the following advantages that：In stent delivery system provided by the invention, pass through setting
Backwash, which tethers, to be connect syringe and imports sheath, and relative to traditional in the way of Y-valve progress backwash, syringe can be conveniently and efficiently
Holder is rinsed, backwash operation is simple and takes short；By pushing the setting of guidewire segmentation formula, difference can be used in push seal wire every section
The material of intensity and toughness, the selection that also can have thickness different are adapted to the individual demand of patient, residing for diseased region
Position selects suitable holder transportation section and pushes the material and length of section.Specifically, by distal end shaping part with moulding and
Curved blood vessel is adapted to, patient can carry out the plasticity of distal spring portions as needed, if vascular lesion position front end is nearby just
Good to there is bending, the distal end shaping part after moulding can be easier to through curved blood vessel, and will not be made to vascular bending part
At damage.
Description of the drawings
Fig. 1 is the structural schematic diagram of stent delivery system of the present invention；
Fig. 2 is the structural schematic diagram in the case that stent delivery system of the present invention does not have backwash bolt；
Fig. 3 is the structural schematic diagram under the operating mode of stent delivery system of the present invention push holder.
In figure, 1：Push seal wire；2：Import sheath；3：Backwash bolt；4：Push section；5：Connector；6：Hypotube；7：It moulds distal end
Shape part；8：Dock slave part；9：Security identifier；10：Release mark；11：Transportation section；12：Recycling mark；13：Push part
Point；14：Recycling pad；15：Holder.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
In description of the invention, it is to be understood that " distal end " and " proximal end " should in the terms of the present invention
It is understood to from the direction of patient.Distal end is the side far from patient, and proximal end is indicated towards patient, wherein term
The orientation or positional relationship of the instructions such as "front", "rear", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For convenience of description of the present invention and simplification of the description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figure 1, Figure 2 and Figure 3, stent delivery system offer of the present invention includes：
Seal wire 1 is pushed, the push seal wire 1 is used for the conveying of holder 15, and is arranged using segmented；
Sheath 2 is imported, the external loading for importing sheath 2 for holder 15 and push seal wire 1 is docked with microtubular；
Backwash bolt 3, the backwash bolt 3 is for connecting syringe and importing sheath 2.
In the embodiment, connect syringe by the way that backwash bolt 3 is arranged and import sheath 2, relative to it is traditional using Y-valve into
The mode of row backwash, syringe can conveniently and efficiently rinse holder 15, and backwash operation is simple and takes short；By pushing seal wire 1
Segmented is arranged, and varying strength and the material of toughness can be used in every section of push seal wire 1, and the selection that also can have thickness different can
To adapt to the individual demand of patient, 15 transportation section 11 of suitable holder is selected according to diseased region present position and pushes section 4
Material and length.Wherein, holder 15 is preferably braided support.
Preferably, respectively with syringe and importing 2 grafting of sheath, pushing seal wire 1 includes at the both ends of backwash bolt 3：
Distal end shaping part 7, with moulding and adaptation curved blood vessel；
Transportation section 11 is connect by connector with the proximal end of the distal end shaping part 7；
Supporting section is connect with the proximal end of the transportation section 11；
Section 4 is pushed, is connect with the proximal end of the supporting section.
In the embodiment, it can be carried out as needed with moulding and adaptation curved blood vessel, patient by distal end shaping part 7
The plasticity of distal spring portions, if vascular lesion position front end nearby precisely the presence of bending, the moulding portion in distal end after moulding
Divide 7 can be easier to through curved blood vessel, and vascular bending part will not be caused to damage.
Specifically, the distal end shaping part 7 includes the bullet that round end, plasticity mandrel and radiopaque wire turn to
Spring, the round end are connected to the distal end of the plasticity mandrel, and the spring is set on the plasticity mandrel, one end and the circle
Head connection, the other end are connect with the connector.By the structure design of round end, to the damage of blood vessel in avoiding delivery guidewire from advancing
Wound, plasticity mandrel uses the materials such as dilval or stainless steel, moulding to facilitate, and the plasticity mandrel is set in by spring
On, while connecting round end with connector, spring is convenient for moulding bending, protects blood vessel, plasticity mandrel can also be clamped.
Preferably, the connector is 10 rings of release mark, the plasticity mandrel and the conveying made of developing material
The distal end of section 11 identifies 10 rings by release and is fastenedly connected.Since plasticity mandrel is different from the distal end material of transportation section 11, pass through
The setting of release 10 rings of mark, both can improve the fastness of connection, prevent from falling off, meanwhile, close to the distal end of holder 15,
10 can be identified as the release of holder 15.Distal end shaping part 7 exposes microtubular, and mark 10 to be released and microtubular distal end are aobvious
When shadow mark overlaps, holder 15 starts to discharge, and continues to be pushed forward the push progress release of holder 15 of section 4.
Further, transportation section 11 includes conveying silk, is successively set on the recycling pad 14 conveyed on silk, docking slave part
8 and humping section 13；The recycling pad 14 is fixed by the becket at both ends, and it can be smooth flat that 14 surfaces are padded in the recycling
Face, or concave-convex design, the docking slave part 8 are the spring or metal tube of metal coiling, the humping section 13
For cyclic structure.In the present invention, when so that 2 distal end of importing sheath is docked with microtubular by Y-valve, due to depositing for docking slave part 8
, during holder is advanced, the tail end of holder has existing spatial position in docking slave part 8, is unlikely to open completely, so,
2 distal end of sheath is imported not have to microtubular slitless connection, the tail end for being prevented from holder 15 opens completely, is then pushed forward push section 4,
The push of holder 15 is entered into microtubular.Importing 2 tapering point thickness of sheath can increase, it is not easy to by breakage.
Further, further include recycling mark 12, the recycling mark 12 is located at conveying silk distal end and the recycling
Position between pad 14, the recycling mark 12 are the spring or radiopaque metal that radiopaque wire turns to
Ring.Recycling on transportation section 11 identifies 12 before being overlapped with microtubular distal end development mark, the holder 15 that part has discharged
Can still recycle completely into microtubular, specifically by the setting of recycling pad 14, recycling pad 14 can clamp bracket 15, push of pulling back
Seal wire 1, you can the recycling for realizing holder 15, so as to further find 15 releasing position of suitable holder in the blood vessel.
Specifically, supporting section is hypotube 6, and one end of hypotube 6 is connect with the humping section 13 of transportation section 11, the other end
It is connect with the push section 4 by connector 5.By the setting of hypotube 6, while ensureing that supporting section centainly pushes power,
In the blood vessel for encountering bending, supporting section can have certain bending, convenient for being adapted to the blood vessel of bending.
Specifically, the surface setting coating (polytetrafluoroethylene (PTFE)) and security identifier 9 of push section 4, the material of the push section 4
For Nitinol or stainless steel；Plasticity mandrel, transportation section 11 and push section 4 are made from a variety of materials.Pass through security identifier 9
Setting should reduce the fltting speed of push section 4 after security identifier 9 enters microtubular.
In order to further appreciate that the solution of the present invention, the operation of stent delivery system of the present invention under lower mask body introduction
Journey：Before use, 15 system of holder is taken out from coil pipe, applicable push section 4 is selected to be connect with hypotube 6 by connector 5, it is preceding
Push section 4, by distal end shaping part 7 release import sheath 2, patient distal end shaping part 7 is carried out according to demand it is moulding, then
Push section 4 is withdrawn, distal end shaping part 7 is recycled and enters importing sheath 2, backwash bolt 3 is distally connect with sheath 2 is imported, syringe
The flushing for carrying out 15 system of holder is docked with backwash bolt 3, removes backwash bolt 3,2 distal end of importing sheath and microtubular pair are made by Y-valve
Connect, due to dock slave part 8 presence, import sheath 2 distally can not have to microtubular slitless connection, be pushed forward push section 4, will prop up
The push of frame 15 enters microtubular, and 4 proximal end of push section pushes into after importing sheath 2, removes and import sheath 2, continue to be pushed forward push completely
Section 4 after security identifier 9 enters microtubular, should reduce fltting speed, and distal end shaping part 7 exposes microtubular, mark 10 to be released
When distally development mark overlaps with microtubular, holder 15 starts to discharge, and continues to be pushed forward the push progress release of holder 15 of section 4, such as disease
Become position front end nearby precisely the presence of bending, the distal end shaping part 7 after moulding can be easier to through curved blood vessel, and not
Vascular bending part can be caused to damage, due to 11 good toughness of transportation section, blood vessel trend can be complied with and be unlikely to being bent blood
Pipe causes to stretch phenomenon, and the recycling mark 12 on transportation section 11 with microtubular distal end development mark before overlapping, and part is
The holder 15 of release can be still recycled completely into microtubular, when humping section 13 is overlapped with microtubular distal end development mark, card
Bright holder 15 discharges completely, if 15 expansion state of holder is bad, it is helped completely using push seal wire 1 or microtubular
It opens.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of stent delivery system, which is characterized in that including：
Seal wire is pushed, the push seal wire is used for the conveying of holder, and is arranged using segmented；
Sheath is imported, the external loading for importing sheath for holder and push seal wire is docked with microtubular；
Backwash bolt, the backwash bolt is for connecting syringe and importing sheath.
2. stent delivery system as described in claim 1, which is characterized in that the both ends of the backwash bolt respectively with syringe and
Sheath grafting is imported, the push seal wire includes：
Distal end shaping part, with moulding and adaptation curved blood vessel；
Transportation section is connect by connector with the proximal end of the distal end shaping part；
Supporting section is connect with the proximal end of the transportation section；
Section is pushed, is connect with the proximal end of the supporting section.
3. stent delivery system as claimed in claim 2, which is characterized in that the distal end shaping part includes round end, plasticity
The spring that mandrel and radiopaque wire turn to, the round end are connected to the distal end of the plasticity mandrel, the spring
It is set on the plasticity mandrel, one end is connect with the round end, and the other end is connect with the connector.
4. stent delivery system as claimed in claim 3, which is characterized in that the connector is release made of developing material
Identification rings, the plasticity mandrel and the distal end of the transportation section are fastenedly connected by discharging identification rings.
5. stent delivery system as claimed in claim 2, which is characterized in that the transportation section includes conveying silk, sets gradually
Recycling pad, docking slave part on conveying silk and humping section；The recycling pad is fixed by the becket at both ends, described
The spring or metal tube that slave part is metal coiling are docked, the humping section is cyclic structure.
6. stent delivery system as claimed in claim 5, which is characterized in that further include recycling mark, the recycling flag
Position between conveying silk distal end and the recycling pad, the recycling are identified as what radiopaque wire turned to
Spring or radiopaque becket.
7. stent delivery system as claimed in claim 5, which is characterized in that the supporting section is hypotube, the hypotube
One end connect with the humping section of the transportation section, the other end is connect by connector with the push section.
8. stent delivery system as claimed in claim 5, which is characterized in that the surface of the push section is equipped with coating and safety
Mark.
9. stent delivery system as claimed in claim 5, which is characterized in that the material of the push section is for Nitinol or not
Become rusty steel.
10. such as claim 3-9 any one of them stent delivery systems, which is characterized in that the plasticity mandrel, transportation section and
Push section is made from a variety of materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602970.7A CN108742962A (en) | 2018-06-12 | 2018-06-12 | A kind of stent delivery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602970.7A CN108742962A (en) | 2018-06-12 | 2018-06-12 | A kind of stent delivery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108742962A true CN108742962A (en) | 2018-11-06 |
Family
ID=64021993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810602970.7A Pending CN108742962A (en) | 2018-06-12 | 2018-06-12 | A kind of stent delivery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108742962A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292700A (en) * | 2019-06-04 | 2019-10-01 | 兖矿新里程总医院 | A kind of stomach tube guiding device |
| CN112690854A (en) * | 2020-12-30 | 2021-04-23 | 广州易介医疗科技有限公司 | Conveying system of blood flow reconstruction support |
| CN113317917A (en) * | 2021-06-25 | 2021-08-31 | 上海心玮医疗科技股份有限公司 | Device for guiding intracranial intravascular stent into microcatheter and forming method |
| WO2022041593A1 (en) * | 2020-08-24 | 2022-03-03 | 北京泰杰伟业科技有限公司 | Blood flow guide device conveying system capable of visual tracking and positioning, and tracking and positioning method |
| CN116269968A (en) * | 2023-05-24 | 2023-06-23 | 北京久事神康医疗科技有限公司 | Vascular stent conveying system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050245963A1 (en) * | 2004-04-28 | 2005-11-03 | Toshiaki Kida | Introducer sheath stabilizer |
| CN101180006A (en) * | 2005-05-25 | 2008-05-14 | 切斯纳特医药技术公司 | System and method for delivering and deploying and occluding device within a vessel |
| CN107496055A (en) * | 2017-08-10 | 2017-12-22 | 上海微创心通医疗科技有限公司 | Heart valve delivery catheter and induction system |
| CN209172600U (en) * | 2018-06-12 | 2019-07-30 | 北京久事神康医疗科技有限公司 | A kind of stent delivery system |
-
2018
- 2018-06-12 CN CN201810602970.7A patent/CN108742962A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050245963A1 (en) * | 2004-04-28 | 2005-11-03 | Toshiaki Kida | Introducer sheath stabilizer |
| CN101180006A (en) * | 2005-05-25 | 2008-05-14 | 切斯纳特医药技术公司 | System and method for delivering and deploying and occluding device within a vessel |
| CN107496055A (en) * | 2017-08-10 | 2017-12-22 | 上海微创心通医疗科技有限公司 | Heart valve delivery catheter and induction system |
| CN209172600U (en) * | 2018-06-12 | 2019-07-30 | 北京久事神康医疗科技有限公司 | A kind of stent delivery system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292700A (en) * | 2019-06-04 | 2019-10-01 | 兖矿新里程总医院 | A kind of stomach tube guiding device |
| CN110292700B (en) * | 2019-06-04 | 2021-06-15 | 兖矿新里程总医院 | Stomach tube guiding device |
| WO2022041593A1 (en) * | 2020-08-24 | 2022-03-03 | 北京泰杰伟业科技有限公司 | Blood flow guide device conveying system capable of visual tracking and positioning, and tracking and positioning method |
| CN112690854A (en) * | 2020-12-30 | 2021-04-23 | 广州易介医疗科技有限公司 | Conveying system of blood flow reconstruction support |
| CN112690854B (en) * | 2020-12-30 | 2023-09-19 | 广州易介医疗科技有限公司 | Conveying system of blood flow reconstruction support |
| CN113317917A (en) * | 2021-06-25 | 2021-08-31 | 上海心玮医疗科技股份有限公司 | Device for guiding intracranial intravascular stent into microcatheter and forming method |
| CN113317917B (en) * | 2021-06-25 | 2023-03-24 | 上海心玮医疗科技股份有限公司 | Device for guiding intracranial intravascular stent into microcatheter and forming method |
| CN116269968A (en) * | 2023-05-24 | 2023-06-23 | 北京久事神康医疗科技有限公司 | Vascular stent conveying system |
| CN116269968B (en) * | 2023-05-24 | 2023-09-26 | 北京久事神康医疗科技有限公司 | Vascular stent conveying system |
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