CN103948454B - Branch controllable integral blood vessel stent and implantation device thereof - Google Patents
Branch controllable integral blood vessel stent and implantation device thereof Download PDFInfo
- Publication number
- CN103948454B CN103948454B CN201410179096.2A CN201410179096A CN103948454B CN 103948454 B CN103948454 B CN 103948454B CN 201410179096 A CN201410179096 A CN 201410179096A CN 103948454 B CN103948454 B CN 103948454B
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- stent
- sub
- main support
- branch
- implanting device
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- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 19
- 238000002513 implantation Methods 0.000 title abstract description 8
- 239000000463 material Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 239000012620 biological material Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000007943 implant Substances 0.000 abstract description 6
- 238000004904 shortening Methods 0.000 abstract description 2
- 230000002792 vascular Effects 0.000 abstract 1
- 238000001356 surgical procedure Methods 0.000 description 4
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- -1 cochrome Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/844—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents folded prior to deployment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—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
-
- 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
- A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
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)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a branch controllable integral vascular stent and an implantation device thereof, comprising a main stent, a branch stent and an implantation device, wherein the branch stent is seamlessly connected on the outer side wall of the main stent and is communicated with the interior of the main stent; the main support and the branch support are in a compressed state and an expanded state, the size of the main support and the branch support in the compressed state is smaller than that in the expanded state, and the main support and the branch support in the compressed state under the constraint of the implantation device are in the expanded state when being separated from the implantation device. The invention integrally constructs the main stent for supporting the main blood vessel and the branch stent for supporting the branch blood vessel, and implants the blood vessel once through the implantation device, thereby shortening the operation time of implanting the blood vessel stent, relieving the pain of a patient and reducing the time and dosage of receiving rays of an operator and the patient.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of intravascular stent and implanting device thereof.
Background technology
In intravascular stent implant surgery, there is the situation that main blood vessel and branch vessel thereof all need implant frame, existing method first utilizes implanting device to implant in main blood vessel by the main support supporting main blood vessel, again the sub-stent supporting branch vessel is sent into branch vessel by the main support implanted, need the reserved outlet being applicable to sub-stent and passing on main support wall, and need above-mentioned outlet align fingers blood vessel when implanting main support, operation link is many, time is long, and two support junctions exist the risk of internal hemorrhage due to trauma.Although the support of You Dai branch is reported at present, but this kind of intravascular stent is all rely on to have the mode of wound to cut the lower directly implantation of blood vessel direct-view, lack one and can pass through Wicresoft's intervening mode, the overall intravascular stent of branch's controllable type of the main blood vessel of disposable implantation and branch vessel and corresponding implanting device.
Summary of the invention
The present invention aims to provide the overall intravascular stent of a kind of branch controllable type and implanting device thereof, support the main support of main blood vessel by being used for and being used for supporting the sub-stent unitary construction of branch vessel, and by Wicresoft's intervening mode and the disposable implantable intravascular of implanting device, thus shorten the operating time of implantable intravascular support, alleviate patient suffering, when shortening clinician and corrective surgery, be exposed to the time under ray.
For achieving the above object, the present invention realizes by the following technical solutions:
The overall intravascular stent of branch disclosed by the invention controllable type and implanting device thereof, comprise main support, sub-stent and implanting device, on the lateral wall that described sub-stent is connected to main support and UNICOM inner with main support; Main support, sub-stent all have compressive state and deployed condition 2 kinds of forms, when main support, sub-stent are in compressive state, size is less than size when being in deployed condition, main support, sub-stent are in compressive state under the constraint of implanting device, are in deployed condition when departing from implanting device.Main support, sub-stent send into Ink vessel transfusing by implanting device, and after arriving precalculated position, remove the constraint to sub-stent, main support when taking out implanting device, sub-stent and main support support branch vessel and main blood vessel when deployed condition.
Preferably, described implanting device comprises interior sheath pipe, outer sheath and seal wire, the external diameter of described interior sheath pipe is less than the internal diameter of outer sheath, interior sheath tube wall offers through hole, described outer sheath front end tube wall has breach, the tube wall of side, described breach place offers platen passageway, described platen passageway and breach UNICOM through outer sheath tube wall in the axial direction, pressing plate is provided with in platen passageway, the through platen passageway of described pressing plate, the front end bifurcated of pressing plate forms 2 pressure arms, described pressure arm part covers breach, gap width between 2 pressure arms meet sub-stent seal wire by.
Further, described interior sheath pipe is supported on main support inside, and described outer sheath parcel is in main support and the sub-stent of compressive state, and the sidewall of sub-stent is stuck in breach, and the top of sub-stent contacts with pressure arm lower surface.
Further, the quantity of described main support is 1, and the quantity of sub-stent is 1 ~ 8, and the quantity of interior sheath pipe is 1, and the quantity of outer sheath is 1, and the quantity of seal wire is sub-stent quantity+1.
Further, described interior sheath pipe is provided with dividing plate vertically, according to branch stent and seal wire quantity, interior sheath pipe is divided into several passages by described dividing plate, number of channels is consistent with seal wire quantity, and one of them passage runs through main support, rest channels and sub-stent UNICOM.
Preferably, the connection of described sub-stent and main support is Hard link or is flexible coupling.When sub-stent and main support Hard link, sub-stent and main support can be integrally manufactured.Being flexible coupling is coating layer by main support surface, is connected to by sub-stent on main support, can reduces the location accuracy requirements of sub-stent, operation when being convenient to operation, controls.
Preferably, the angle between described sub-stent and main support and the angle between branch vessel and main blood vessel suitable.
Preferably, the material of described main support, sub-stent is metal, degradable biomaterial or the multilayer materials etc. such as all kinds of alloy such as all kinds of memorial alloy, medical stainless steel, cochrome, platinum, gold, tantalum such as Ultimum Ti.
Further, according to the difference of material therefor, main support, sub-stent can be bare bracket, surface coating support, degradable biomaterial support or coating stent of medicine.
Preferably, sub-stent length 0.5-8cm (deployed condition), 0-2cm (compressive state), diameter 0.1-4cm (deployed condition), 0.1-3cm (compressive state); Main support length 5-90cm (deployed condition), 5-90cm (compressive state), diameter 0.1-5cm (deployed condition), 0.1-3cm (compressive state).
Preferably, the distance between sub-stent is 0.5-30cm (compressive state).
The overall intravascular stent of branch of the present invention controllable type and implanting device thereof, be applicable to Endovascular interventional treatment, support the main support of main blood vessel by being used for and being used for supporting the sub-stent unitary construction of branch vessel, and by Wicresoft's intervening mode and the disposable implantable intravascular of implanting device, existing separating stent-graft not only can be avoided to occur the risk of internal hemorrhage due to trauma, also contribute to simplifying intravascular stent implant surgery process, shorten operating time, alleviate patient suffering.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of main support deployed condition of the present invention;
Fig. 2 is the schematic diagram of main support compressive state of the present invention;
Fig. 3 is axial section of the present invention;
Fig. 4 is radial section figure of the present invention;
Fig. 5 is rearview of the present invention;
Fig. 6 is top view of the present invention;
In figure: in 1-main support, 2-sub-stent, 3-, sheath pipe, 4-outer sheath, 5-breach, 6-pressing plate, 7-separator channels, 8-dividing plate, 9-branch seal wire, 10-dominate silk, 11-through hole, 61-pressure arm.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in Figure 1 and Figure 2, the overall intravascular stent of branch disclosed by the invention controllable type, comprise main support 1, sub-stent 2, main support 1, sub-stent 2 are tubulose, and sub-stent 2 seamless link is on the lateral wall of main support 1 and UNICOM inner with main support; Main support 1, sub-stent 2 all have squeezed state and release state 2 kinds of forms, and when main support 1, sub-stent 2 are in squeezed state, size is all less than size when being in release state.Main support 1, sub-stent 2 are in squeezed state under the constraint of implanting device, are in release state after departing from implanting device.
As Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6, the present invention also comprises implanting device, implanting device comprises interior sheath pipe 3, outer sheath 4 and seal wire, seal wire comprises leading silk 10 and branch's seal wire 9, the external diameter of interior sheath pipe 3 is less than the internal diameter of outer sheath 4, interior sheath pipe 3 tube wall offers through hole 11, outer sheath front end tube wall has breach 5, the tube wall of side, breach 5 place offers platen passageway 7, platen passageway 7 with breach 5 UNICOM and in the axial direction through outer sheath 4 tube wall, pressing plate 6 is provided with in platen passageway 7, the through platen passageway 7 of pressing plate 6, the front end bifurcated of pressing plate 6 forms 2 pressure arms 61, pressure arm 61 part covers breach 5.Interior sheath pipe 3 is provided with dividing plate 8 vertically, and interior sheath pipe 3 is divided into 2 passages by dividing plate 8, one of them passage and through hole 11 UNICOM.
Before carrying out implant surgery, outer sheath 4 parcel is in the main support 1 of squeezed state, the two opposite side walls being in the sub-stent 2 of squeezed state is stuck in breach 5, pressure arm 61 pushes down the top of sub-stent 2, the mouth of pipe of sub-stent 2 is positioned at directly over through hole 11, namely main support 1 is by the constraint of outer sheath 4, and sub-stent 2 is subject to the constraint of breach 5 and pressing plate 6, is all in compressive state.
During practical operation, first in main blood vessel, leading silk 10 is implanted, implanting device and support entirety is guided to send into main blood vessel, branch's seal wire 9 is adopted to guide sub-stent 2 to arrive the position required, branch's seal wire 9 and leading silk 10 are respectively by dividing plate 8 both sides passage separately, avoid the mutual interference between branch's seal wire 9 and leading silk 10, when sub-stent 2 arrives branch vessel mouth position, sheath pipe 3 in fixing, by branch's seal wire 9 successively through through hole 11, sub-stent 2, branch vessel is sent into behind the gap of two pressure arms 61, then pressing plate 6 is extracted out, sub-stent 2 axis direction is launched, sub-stent 2 enters branch vessel, after sub-stent 2 is adjusted to the right place, exit outer sheath 4 successively, branch's seal wire 9, interior sheath pipe 3 and leading silk 10, make sub-stent 2, main support 1 departs from the constraint of implanting device completely, be returned to the form of deployed condition, support blood vessel.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (8)
1. the overall intravascular stent of branch's controllable type and an implanting device thereof, is characterized in that, comprise main support, sub-stent and implanting device, on the lateral wall that described sub-stent is connected to main support and UNICOM inner with main support, main support, sub-stent all has compressive state and deployed condition 2 kinds of forms, main support, when sub-stent is in compressive state, size is less than size when being in deployed condition, main support, sub-stent is in compressive state under the constraint of implanting device, deployed condition is in when departing from implanting device, described implanting device comprises interior sheath pipe, outer sheath and seal wire, the external diameter of described interior sheath pipe is less than the internal diameter of outer sheath, interior sheath tube wall offers through hole, described outer sheath front end tube wall has breach, the tube wall of side, described breach place offers platen passageway, described platen passageway and breach UNICOM through outer sheath tube wall in the axial direction, pressing plate is provided with in platen passageway, the through platen passageway of described pressing plate, the front end bifurcated of pressing plate forms 2 pressure arms, described pressure arm part covers breach.
2. the overall intravascular stent of branch according to claim 1 controllable type and implanting device thereof, it is characterized in that: described interior sheath pipe is supported on main support inside, described outer sheath parcel is in main support and the sub-stent of compressive state, the sidewall of sub-stent is stuck in breach, and the top of sub-stent contacts with pressure arm lower surface.
3. the overall intravascular stent of branch according to claim 1 controllable type and implanting device thereof, it is characterized in that: the quantity of described main support is 1, the quantity of sub-stent is 1 ~ 8, and the quantity of interior sheath pipe is 1, the quantity of outer sheath is 1, and the quantity of seal wire is sub-stent quantity+1.
4. the overall intravascular stent of branch according to claim 3 controllable type and implanting device thereof, it is characterized in that: described interior sheath pipe is provided with dividing plate vertically, according to branch stent and seal wire quantity, interior sheath pipe is divided into several passages by described dividing plate, number of channels is consistent with seal wire quantity, one of them passage runs through main support, rest channels and sub-stent UNICOM.
5. the overall intravascular stent of branch according to claim 1 controllable type and implanting device thereof, it is characterized in that: described sub-stent and main support are integrated manufacture, the connection of sub-stent and main support is Hard link or is flexible coupling.
6. the overall intravascular stent of branch according to claim 1 controllable type and implanting device thereof, is characterized in that: the angle between described sub-stent and main support and the angle between branch vessel and main blood vessel suitable.
7. the overall intravascular stent of branch according to claim 1 controllable type and implanting device thereof, is characterized in that: the material of described main support, sub-stent is memorial alloy, medical stainless steel, alloy, platinum, gold, tantalum, degradable biomaterial or multilayer materials.
8. the overall intravascular stent of branch according to claim 1 controllable type and implanting device thereof, is characterized in that: described main support, sub-stent are bare bracket, surface coating support, degradable biomaterial support or coating stent of medicine.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179096.2A CN103948454B (en) | 2014-04-30 | 2014-04-30 | Branch controllable integral blood vessel stent and implantation device thereof |
| PCT/CN2014/078306 WO2015165135A1 (en) | 2014-04-30 | 2014-05-23 | Branch controllable type integrated vascular stent and implantation apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179096.2A CN103948454B (en) | 2014-04-30 | 2014-04-30 | Branch controllable integral blood vessel stent and implantation device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103948454A CN103948454A (en) | 2014-07-30 |
| CN103948454B true CN103948454B (en) | 2016-02-10 |
Family
ID=51325910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410179096.2A Expired - Fee Related CN103948454B (en) | 2014-04-30 | 2014-04-30 | Branch controllable integral blood vessel stent and implantation device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103948454B (en) |
| WO (1) | WO2015165135A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104840283B (en) * | 2015-05-27 | 2017-03-15 | 唐利龙 | A kind of intravascular stent system with seal wire reserved passageway protection device |
| JP7479844B2 (en) * | 2017-02-24 | 2024-05-09 | ボルトン メディカル インコーポレイテッド | Constrainable stent grafts, delivery systems and methods of use - Patents.com |
| CN109009590B (en) * | 2018-08-24 | 2024-04-26 | 四川大学 | Biological trapezoid degradable support |
| CN109009591B (en) * | 2018-08-24 | 2024-02-27 | 四川大学 | Bioabsorbable stent |
| CN109091275B (en) * | 2018-08-24 | 2024-01-30 | 四川大学 | Biodegradable stent |
| CN110338948A (en) * | 2019-08-07 | 2019-10-18 | 中国医学科学院北京协和医院 | Aortic branch support system |
| CN112107389A (en) * | 2020-10-22 | 2020-12-22 | 上海交通大学医学院附属第九人民医院 | A branch type covered stent for femoral artery bifurcation department |
| CN113288579B (en) * | 2021-06-21 | 2022-07-12 | 卢国华 | Novel artificial lacrimal duct |
| CN114504413B (en) * | 2022-01-19 | 2023-08-15 | 四川大学华西医院 | Implantable medical device and implantable medical device kit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152109A (en) * | 2006-09-27 | 2008-04-02 | 黄方炯 | Three-collateral bracket vascellum for arcus aortae |
| CN101897629A (en) * | 2009-05-26 | 2010-12-01 | 微创医疗器械(上海)有限公司 | Branched membrane-covered support conveying system and conveying method thereof |
| CN201664353U (en) * | 2009-11-24 | 2010-12-08 | 汤敬东 | Aortic split type bracket and double guide wire conveyor thereof |
| CN103476359A (en) * | 2011-04-19 | 2013-12-25 | 美敦力瓦斯科尔勒公司 | Mobile external coupling for branch vessel connection |
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|---|---|---|---|---|
| WO2002076346A1 (en) * | 2001-03-23 | 2002-10-03 | Hassan Tehrani | Branched aortic arch stent graft |
| EP1848272A2 (en) * | 2005-02-08 | 2007-10-31 | B-Balloon Ltd. | Devices and methods for treatment of vascular bifurcations |
| WO2010096712A1 (en) * | 2009-02-20 | 2010-08-26 | Boston Scientific Scimed, Inc. | Torqueable balloon catheter |
| US20110087318A1 (en) * | 2009-10-09 | 2011-04-14 | Daugherty John R | Bifurcated highly conformable medical device branch access |
| CN102370528A (en) * | 2010-08-09 | 2012-03-14 | 郭伟 | Bracket type blood vessel |
| US8574283B1 (en) * | 2011-08-30 | 2013-11-05 | Suraj Govind Kamat | Deployment of stents within bifurcated vessels |
-
2014
- 2014-04-30 CN CN201410179096.2A patent/CN103948454B/en not_active Expired - Fee Related
- 2014-05-23 WO PCT/CN2014/078306 patent/WO2015165135A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152109A (en) * | 2006-09-27 | 2008-04-02 | 黄方炯 | Three-collateral bracket vascellum for arcus aortae |
| CN101897629A (en) * | 2009-05-26 | 2010-12-01 | 微创医疗器械(上海)有限公司 | Branched membrane-covered support conveying system and conveying method thereof |
| CN201664353U (en) * | 2009-11-24 | 2010-12-08 | 汤敬东 | Aortic split type bracket and double guide wire conveyor thereof |
| CN103476359A (en) * | 2011-04-19 | 2013-12-25 | 美敦力瓦斯科尔勒公司 | Mobile external coupling for branch vessel connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103948454A (en) | 2014-07-30 |
| WO2015165135A1 (en) | 2015-11-05 |
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