WO2015196539A1 - Système et procédé d'implantation précise d'endoprothèse au niveau de la ramification d'un vaisseau sanguin - Google Patents

Système et procédé d'implantation précise d'endoprothèse au niveau de la ramification d'un vaisseau sanguin Download PDF

Info

Publication number
WO2015196539A1
WO2015196539A1 PCT/CN2014/084327 CN2014084327W WO2015196539A1 WO 2015196539 A1 WO2015196539 A1 WO 2015196539A1 CN 2014084327 W CN2014084327 W CN 2014084327W WO 2015196539 A1 WO2015196539 A1 WO 2015196539A1
Authority
WO
WIPO (PCT)
Prior art keywords
stent
sheath
guiding
bracket
vessel
Prior art date
Application number
PCT/CN2014/084327
Other languages
English (en)
Chinese (zh)
Inventor
李雷
Original Assignee
李雷
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李雷 filed Critical 李雷
Publication of WO2015196539A1 publication Critical patent/WO2015196539A1/fr

Links

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
    • A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation

Definitions

  • the present invention relates to the field of stent implantation for branch vessels, and in particular to a stent-accurate system and method for branching blood vessels. Background technique
  • vascular stents for radial support to block blood vessels.
  • the type, structure and implantation method of different vascular stents vary depending on the implantation site and the treatment of the disease.
  • widely used stents include bare stents, coated stents, and stent grafts.
  • the stent deployment can be divided into ball expansion mode and self-expansion mode.
  • Most of the implantation methods are to guide the compressed stent to the implantation site through the guide wire.
  • the ball expands and opens by withdrawing the stent from the spherical airbag located inside the stent to expand the stent
  • the self-expansion deployment method is to evacuate the guide sheath for accommodating the compressed stent. Bounce off through the elastic structure of the bracket itself.
  • the object of the present invention is to provide a stent-accurate implantation system and method for branching blood vessels, the stent
  • the precise implantation system, method enables the stent to be accurately implanted in the branch vessel.
  • the present invention provides a stent accurately implanting system for a branch vessel, the branch vessel including a main blood vessel communicating with each other and a branch vessel communicating with the main blood vessel, the stent accurately implanting system including releasably a stent delivery device that receives the stent and transports the stent, a guide wire extending from the main vessel to the branch vessel, and a positioning guidewire extending along the main vessel, the stent delivery device being movably sleeved Outside the guide wire, a limiting hole is disposed on the bracket, and the positioning guide wire slidably passes through the limiting hole.
  • the limiting hole is formed by a limiting ring connected to the bracket.
  • the stent delivery device comprises a guiding core movable along the guide wire, a top core slidably sleeved outside the guiding core, a first guiding sheath accommodating the front end of the bracket, and a rear end receiving the bracket.
  • a second guiding sheath the first guiding sheath is connected to the guiding core and the rear end is open, the front end of the second guiding sheath is open, and the top core is slidably sleeved in the second guiding sheath and Reach the rear end of the bracket.
  • the front end of the first guiding sheath is closed and connected to the guiding core.
  • the front end of the first guide sheath is formed as a seeker having a streamlined structure.
  • the stent precise implantation system further comprises a plurality of control devices, the second sheath sheath, the top core and the lead core extending rearward and respectively connected to the respective control devices.
  • the front end of the second sheath has a smaller dimension than the rear end of the first sheath and a smooth transition.
  • the bracket has a main body portion and an opening portion at a rear end of the main body portion, the main body portion is formed in a straight cylindrical structure, and the opening portion is formed in a horn type structure.
  • the bracket has a main body portion and an opening portion at a rear end of the main body portion, and the main body portion is formed in a straight cylindrical structure, and an opening plane of the opening portion is inclined with respect to an axis of the main body portion.
  • the limiting hole is formed at a rear end or an opening of the main body portion.
  • a method for accurately implanting a stent for a branch vessel includes: inserting a guide wire from a main blood vessel of the branch vessel toward a branch vessel, and inserting a positioning guide wire in the main blood vessel, wherein a stent delivery device that releasably receives the stent is sleeved on the guide wire Upper, and causing the positioning guide wire to pass through the in between the limiting holes, and then moving the stent delivery device along the guiding guide wire to the branch vessel.
  • the implanting method includes a stent transporting step and a stent releasing step, in which the guiding core is movably sleeved on the guiding guide wire, and the front end of the stent is received in the connection
  • the second guiding sheath with the front end open is sleeved on the guiding core and the rear end of the bracket is received, wherein the rear end of the bracket is composed of A top core movably sleeved within the second sheath sheath abuts, and the stent delivery device is then moved along the lead core to the branch vessel.
  • the first introducer sheath and the second introducer sheath are operated to evacuate the stents, respectively, to release the front end and the rear end of the stent, respectively.
  • the top core is kept stationary, and the second guiding sheath is withdrawn backward to release the rear end of the bracket, and then the second guiding sheath and the top are fixed
  • the core is not moved, and the guiding core is pushed forward to drive the first guiding sheath to move forward synchronously to release the front end of the bracket.
  • the stent since the branch guide wire is caught at the opening of the branch vessel after the stent enters the branch vessel, the stent can be positioned in the axial direction and the circumferential direction, so that the stent can be accurately implanted into the branch vessel, especially accurate. It is attached to the opening portion, so that the bonding effect with the branch blood vessel is good.
  • FIG. 1 is a schematic structural view of a stent accurate implantation system of a branch vessel having a flared opening according to a preferred embodiment of the present invention
  • Figure 2 is a schematic enlarged view of the portion A of Figure 1;
  • Fig. 3 is a schematic view showing the structure of a stent having a oblique incision implanted in a branch blood vessel in a preferred embodiment of the present invention. detailed description
  • the positional words used such as “inside and outside”, generally refer to the inside and outside of the contour of the corresponding object, and "far, near” is the relative position of one component relative to another component.
  • “front and back” are usually defined based on the direction in which the stent and related components are implanted along the blood vessel. SP, the corresponding component enters the blood vessel forward and exits the blood vessel backward.
  • the branch vessel in a stent implantation procedure, a branch vessel having a branch is often encountered, that is, the branch vessel includes a main vessel 101 and a branch vessel 102 communicating with the main vessel 101, that is, the branch vessel 102 is connected.
  • the size of the opening of the branch vessel 102 close to the main blood vessel 101 exhibits an outwardly flared flared structure, such that If the existing straight-type stent is implanted, the stent will not fit properly to the vessel wall at the opening of the branch vessel 102, which will cause the stent and the vessel wall of the region to form a thrombus and cause vascular lesions. Therefore, it is necessary to use a flared open bracket whose opening is formed in an outwardly flared flare shape so as to be well fitted to the opening transition region of the branch vessel 102 of, for example, a branch vessel.
  • the branch vessel 102 has an oblique angle with the main blood vessel 101
  • the straight stent is still used, after the stent is positioned, the rear end opening between Partially extending into the main blood vessel 101 will cause occlusion of the main blood vessel 101, and therefore a stent having a oblique incision is required to be able to accommodate the oblique branch vessel 102.
  • the opening of the flared or oblique slit structure will face the problem of requiring accurate positioning of the circumferential direction of the stent, otherwise the shape of the opening of the branch vessel 102 in the circumferential direction will not be accommodated, resulting in poor stent effect.
  • the present invention provides a stent accurate implantation system and method for branching blood vessels, which can effectively ensure accurate positioning of the axial position and the circumferential direction of the stent.
  • the stent 104 to be implanted includes a main body portion 1041 and an opening portion 1042 at a rear end of the main body portion 1041.
  • the main body portion 1041 is formed in a straight cylindrical structure to accommodate blood vessels of the corresponding branch blood vessels.
  • the opening portion 1042 is formed as a flared structure that is open to the outside to accommodate the opening of the branch vessel.
  • the opening portion 1042 is formed as an outwardly open curved transition structure to accommodate the shape of the branch vessel opening.
  • the specific structure of the horn structure needs to depend on the scar of the opening of the implanted blood vessel 202, and various deformations fall within the protection range of the present invention.
  • the opening portion 1042 of the bracket 104 may be formed as a diagonal slit structure, and the opening plane of the opening portion 1042 is relatively It is inclined at the axis of the main body portion 1041.
  • the obliquely-cut stent can accurately accommodate the opening of the obliquely placed branch vessel without protruding into the main blood vessel as shown by the broken line to cause clogging of the main vessel.
  • the reason for the use of such a beveled stent is also due to the precise positioning of the stent in the circumferential direction and axial position of the stent. Thereby the invention is more suitable for stent implantation of branch vessels.
  • the idea of the present invention is to utilize the special structure of the branch vessel, based on the guide wire 105 of the stent delivery device 103,
  • the positioning guidewire 106 is added to achieve positioning of the stent in the axial and circumferential directions by positioning the guidewire 106.
  • the implantation method provided by the present invention includes: inserting the guide wire 105 from the main blood vessel 101 of the branch vessel toward the branch vessel 102, and inserting the positioning guide wire 106 in the main blood vessel, wherein the stent for releasably accommodating the stent 104 is inserted
  • the delivery device 103 is sleeved over the guidewire and causes the positioning guidewire to pass through the stop aperture 1061 in the gap 104 and then move the stent delivery device along the guidewire to the branch vessel.
  • the positioning guide wire 106 and the guide wire 105 will be taken out through different paths after introduction into the main blood vessel 101.
  • the guide wire 105 is introduced from the main blood vessel 101 and then extends to the branch vessel 102, and
  • the positioning guide wire 106 extends along the main blood vessel 101, and the implant system further includes a limiting hole 1061 fixedly disposed relative to the bracket 104 and slidably passing through the positioning guide wire 106.
  • the limiting hole 1061 is disposed on the bracket 104.
  • the positioning guide wire 106 is caught at the entrance of the branch vessel 102 due to the presence of the positioning guide wire 106, so the limiting hole 1061 The position of the stent 104 will not be able to enter the branch vessel 102, thereby providing precise positioning of the stent 104 in the axial direction along the branch vessel 102.
  • the limiting hole 1061 is also determined with respect to the circumferential direction of the bracket 102, so that the circumferential direction of the bracket 104 can also be accurately positioned, thereby achieving the circumferential shape of the bracket 104. It fits precisely with the special structure of the vessel wall.
  • the position of the limiting hole 1061 formed on the bracket 104 may depend on the shape of the bracket 104 and the position of entering the branch vessel 102.
  • the flared opening portion 1042 is required to be attached to the branch vessel 102 and the main blood vessel.
  • the opening transition region of 101 is formed so that the limiting hole 1061 can be formed at the rear end of the main body portion 1041, so that the main body portion 1041 of the stent 104 can enter the branch vessel 102 by the positioning guide wire 106 stuck at the inlet of the branch vessel 102,
  • the opening portion 1041 corresponds to the open curved transition region, thereby achieving precise positioning of the bracket in the axial position.
  • the change in position of the stopper hole 1061 for adapting to a specific blood vessel falls within the protection scope of the present invention.
  • the limiting aperture 106 is formed by a retaining ring attached to the bracket 104 to enable the positioning of the guidewire 106.
  • the small size of the stop ring can be implanted directly into the body with the stent 104 without affecting the function of the stent 104.
  • the limiting hole 106 can also be formed directly from the structure of the bracket 104 itself, and such a modification is within the scope of the present invention.
  • the stent 104 used in the present invention is a self-expanding stent, that is, after the stent 104 is released, it automatically springs. open.
  • the stent conveying device 103 for releasably accommodating the bracket 104 and transporting the bracket 104 is provided by means of segment storage and unlocking, that is, as shown in the figure.
  • the stent delivery device 103 in order to guide the stent 104 into the branch vessel 102, is movably sleeved outside the guide wire 105, and includes a guide core 107 movable along the guide wire, slidably sleeved on the guide a top core 108 outside the core 107, a first guiding sheath 109 accommodating the front end of the bracket 104, and a second guiding sheath 110 accommodating the rear end of the bracket 104.
  • the first guiding sheath 109 is connected to the guiding core 107 and the rear end is open, and the second guiding sheath The front end of the 110 is open, and the top core 108 is slidably sleeved in the second guide sheath 110 and abuts against the rear end of the bracket 104. Therefore, by releasing the first guide sheath 109 and the second guide sheath 110 of the main body portion 1041 and the branch portion 1042, respectively, when the stent is released, the respective release of the main body portions 1041 and 1042 can be achieved, thereby controlling the elasticity of the self-expanding stent well. , to ensure the position and direction accuracy of the bracket.
  • the delivery and release process of the stent 104 will be specifically described below.
  • the front end of the first guiding sheath is closed and connected to the guiding core 107 to move synchronously with the guiding core 107.
  • the closed front end is formed as a seeker 1091, and the seeker 1091 can be formed into a streamlined structure such as a conical shape to facilitate forward movement of the first guide sheath 109, that is, the seeker 1091 and the first guide sheath 109-body molding, in addition, the seeker 1091 can also be formed separately from the first guide sheath 109 Located in front of the first guide sheath 109, such a modification is also intended to fall within the scope of the present invention.
  • the guiding core 107 is a hollow structure to be sleeved outside the guiding wire 105 and movable along the guiding wire 105.
  • the guiding core 107 can be manipulated in such a manner as to extend backward to the outside, for example, a control device connected to the external end.
  • the spacing between the front end of the second guiding sheath 110 and the front end of the top core 108 is for accommodating the opening portion 1042 of the bracket 104, and the rear end extends rearward along the main blood vessel 101 and can be manipulated in such a manner as to extend outside the body, for example Connect the control device at the extracorporeal end.
  • the front end of the second guiding sheath 110 and the rear end of the first guiding sheath 109 have no connection relationship.
  • the front end dimension of the second guiding sheath 110 may be designed to be smaller than the first one.
  • the rear end of the sheath 109 is sized to smoothly transition the front end of the second sheath 110 and the rear end of the first sheath 109. This effectively avoids the problem that the front end of the second introducer sheath 110 is scraped to the blood vessel wall, and the blood vessel wall is better protected.
  • the relative positions of the first guiding sheath 109 and the second guiding sheath 110 need to ensure that the positioning guide wire 106 passing through the upper limit hole 1061 of the bracket 104 is freely passed, that is, both There is a certain gap between them.
  • the front end of the second introducer sheath 110 can be embedded in the rear end of the first introducer sheath 109, at which time a guidewire 106 can be formed on the first introducer sheath 109 and/or the second introducer sheath 110. Through hole through. This modification is within the scope of protection of the present invention.
  • the top core 108 is used to ensure the position of the bracket 104 is stable during the transportation and unlocking process, and the front end surface is used to abut the opening portion 1042 of the bracket 104, and the top core 108 can also be controlled to extend backward to the outside, for example, in vitro. End control device.
  • the above describes the structure of the implant system provided by the present invention.
  • the method of implanting the stent 104 into the branch vessel 102 provided by the present invention is described in detail below.
  • the implantation method includes a stent delivery step and a stent release step.
  • the guide core 107 is movably sleeved on the guide wire, and the front end of the stent 104 is received in the connection with the guide core 107 and thereafter.
  • the first guiding sheath 109 which is open at the end
  • the second guiding sheath 110 which is open at the front end is sleeved on the guiding core 105 and the rear of the bracket 104 is received.
  • the end, wherein the rear end of the bracket 104 is abutted by the top core 108 movably sleeved within the second sheath 110, and then the stent delivery device 103 is moved along the lead 107 to the branch vessel.
  • the respective control devices are operated to control the guiding core 107, the top core 108 and the second guiding sheath 110 to move forward in the blood vessel synchronously along the guiding wire 105, wherein the guiding core 107 drives the first
  • a guide sheath 109 is moved to ensure that the main body portion 1041 of the stent 104 housed in the first introducer sheath 109 is moved into the branch vessel 102.
  • the positioning guide wire 106 will block at the entrance of the branch vessel 102, thereby positioning the stent 104 in the branch vessel 102 in the moving direction.
  • the axial position that is, the opening portion 1042 can be aligned with the opening transition region of the branch vessel 102, and by tensioning the positioning guide wire 106, the tensioning positioning guide wire 106 can also position the stent 104 in the circumferential direction, thereby
  • the position of the bracket 104 regardless of the main body portion 1041 or the opening portion 1042 can be accurately positioned, and ⁇ ⁇ can ensure that the bracket 104 is accurately attached to the opening portion of the branch blood vessel after being expanded.
  • the release step of the stent 104 is described below, wherein in the stent release step, the present invention contemplates that the first guide sheath and the second guide sheath are operated to evacuate the stent, respectively, to release the front end and the rear end of the stent 104, respectively.
  • the top core 108 is held stationary, and the second guide sheath 110 is withdrawn rearwardly along the guide wire 105, thereby passing the top of the fixed top core 108.
  • the rear end of the stent 104, that is, the opening portion 1042 is released.
  • the opening portion 1042 can also be deployed to accurately fit the opening transition region of the branch vessel 102.
  • the second guiding sheath 110 and the top core 108 are fixed, and the guiding core 107 is pushed forward along the guiding wire 105, thereby driving the first guiding sheath 109 to move forward synchronously, due to the presence of the positioning guide wire 106.
  • the first introducer sheath 109 will disengage from the body portion 1041 of the stent 104 to release the front end of the stent such that the body portion 1041 is deployed and conforms to the vessel wall of the branch vessel 102. That is, the method of first releasing the rear end of the stent and then releasing the front end of the stent is adopted. This can better ensure the positioning accuracy of the opening portion 1042 of the bracket 104.
  • the extraction positioning guide wire 106 is first released. Otherwise, the positioning guide wire 106 can be withdrawn after the two guiding sheath release brackets 104 are completed, so that the positioning guide wire 106 can always position the bracket 104 during the release process.
  • the deformation modes for such a step fall within the scope of the present invention.
  • the withdrawal step of the implant system is performed.
  • the stent 104 since the stent 104 has been attached to the blood vessel wall, only the guiding core 107 and the top core 108 are pulled back along the guiding wire 105 to synchronously drive the first guiding sheath 109 back to the branch vessel 102 and the main blood vessel 101. Thereby completing the precise implantation of the stent of the branch vessel.
  • the blood vessel implantation system and method provided by the present invention can realize precise implantation of the stent 104 having a flared opening or a beveled opening at the bifurcation opening of the branch vessel, which has high practicability and popularization value.
  • the implantable system for branching blood vessels provided by the present invention can be used for stents of other shapes, such as the implantation of a conventional straight stent, in addition to the stent having a flared opening.
  • the stent delivery device provided by the present invention can be used for stent implantation of blood vessels in other locations, in addition to the field of implanting branch vessels, without departing from the inventive concept, for such application objects and fields. The deformations are all within the scope of the invention.

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

Système d'implantation précise d'endoprothèse au niveau de la ramification d'un vaisseau sanguin, laquelle ramification comprend un vaisseau sanguin principal (101) en intercommunication et des ramifications (102) reliées au vaisseau sanguin principal et lequel système d'implantation précise d'endoprothèse comprend une endoprothèse de réception détachable (104), un dispositif de transport (103) d'endoprothèse, un fil guide (105) s'étendant depuis le vaisseau principal jusqu'à la ramification ainsi qu'un file guide de positionnement (106) s'étendant le long du vaisseau sanguin principal, le dispositif de transport de l'endoprothèse entourant amovible le fil guide, un orifice de limitation (1061) pratiqué sur l'endoprothèse étant traversé par le fil guide coulissant. L'introduction du fil guide de l'endoprothèse dans la ramification du vaisseau sanguin permet de coincer le vaisseau ramifié au niveau de l'ouverture et donc de positionner axialement et circonférentiellement l'endoprothèse, avec pour effet l'implantation précise de l'endoprothèse dans le vaisseau sanguin, plus concrètement l'adhésion précise sur la partie d'ouverture, d'où une meilleure prise par rapport à la ramification du vaisseau sanguin.
PCT/CN2014/084327 2014-06-25 2014-08-13 Système et procédé d'implantation précise d'endoprothèse au niveau de la ramification d'un vaisseau sanguin WO2015196539A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410294368.3 2014-06-25
CN201410294368.3A CN105266936B (zh) 2014-06-25 2014-06-25 分支血管的支架精确植入系统

Publications (1)

Publication Number Publication Date
WO2015196539A1 true WO2015196539A1 (fr) 2015-12-30

Family

ID=54936547

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/084327 WO2015196539A1 (fr) 2014-06-25 2014-08-13 Système et procédé d'implantation précise d'endoprothèse au niveau de la ramification d'un vaisseau sanguin

Country Status (2)

Country Link
CN (1) CN105266936B (fr)
WO (1) WO2015196539A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019227357A1 (fr) * 2018-05-30 2019-12-05 Li Lei Dispositif d'actionnement d'un système d'implantation précise de stent pour vaisseau ramifié
WO2019227358A1 (fr) * 2018-05-30 2019-12-05 Li Lei Système précis d'implantation d'endoprothèse pour vaisseau bifurqué

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1441654A (zh) * 2000-03-22 2003-09-10 先进扩张技术公司 导线引入器套
US20080269866A1 (en) * 2007-04-24 2008-10-30 Hamer Rochelle M Side Branched Endoluminal Prostheses and Methods fo Delivery Thereof
US20090076592A1 (en) * 1996-11-04 2009-03-19 Advanced Stent Technologies, Inc. Stent with Protruding Branch Portion for Bifurcated Vessels
CN101594838A (zh) * 2006-09-25 2009-12-02 A·维勒 用于分叉病变的自膨胀支架系统
CN101897629A (zh) * 2009-05-26 2010-12-01 微创医疗器械(上海)有限公司 分支型覆膜支架输送系统及其输送方法
CN102525699A (zh) * 2012-01-12 2012-07-04 微创医疗器械(上海)有限公司 分支型术中支架输送系统及用于其的导引导管

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10821271B2 (en) * 2010-02-18 2020-11-03 William S. Suhr Side branch accessible balloon for bifurcation stenting
CN102415924B (zh) * 2011-09-16 2014-11-26 上海微创医疗器械（集团）有限公司 一种分支鞘及应用该分支鞘的血管支架输送释放装置
CN203935305U (zh) * 2014-06-25 2014-11-12 李雷 分支血管的支架精确植入系统

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090076592A1 (en) * 1996-11-04 2009-03-19 Advanced Stent Technologies, Inc. Stent with Protruding Branch Portion for Bifurcated Vessels
CN1441654A (zh) * 2000-03-22 2003-09-10 先进扩张技术公司 导线引入器套
CN101594838A (zh) * 2006-09-25 2009-12-02 A·维勒 用于分叉病变的自膨胀支架系统
US20080269866A1 (en) * 2007-04-24 2008-10-30 Hamer Rochelle M Side Branched Endoluminal Prostheses and Methods fo Delivery Thereof
CN101897629A (zh) * 2009-05-26 2010-12-01 微创医疗器械(上海)有限公司 分支型覆膜支架输送系统及其输送方法
CN102525699A (zh) * 2012-01-12 2012-07-04 微创医疗器械(上海)有限公司 分支型术中支架输送系统及用于其的导引导管

Also Published As

Publication number Publication date
CN105266936A (zh) 2016-01-27
CN105266936B (zh) 2018-04-10

Similar Documents

Publication Publication Date Title
EP2043566B1 (fr) Introducteur de dispositif médical avec structure d'emboîtement
JP5347175B2 (ja) 導入器
US8753385B2 (en) Preloaded stent graft delivery device
US20190000607A1 (en) Pre-loaded multiport delivery device
US9764113B2 (en) Curved catheter
US10786378B2 (en) Capture tube mechanism for delivering and releasing a stent
EP2366362B1 (fr) Déploiement d'implants médicaux
US8475514B2 (en) Deployment device
US8986364B2 (en) Stent delivery system
US20040148008A1 (en) Stent-graft delivery system
CN102065800A (zh) 支架植入物输送系统及使用方法
WO2007142962A2 (fr) Dispositif de délivrance multi-orifices
CN108742962A (zh) 一种支架输送系统
US11484689B2 (en) Medical device delivery system
CN110811945A (zh) 控制支架分步释放的输送装置及输送系统
WO2015196539A1 (fr) Système et procédé d'implantation précise d'endoprothèse au niveau de la ramification d'un vaisseau sanguin
WO2017157081A1 (fr) Endoprothèse recouverte dotée de ramifications et son système d'implantation
WO2024032361A1 (fr) Appareil de transport, endoprothèse et système d'endoprothèse
CN203619729U (zh) 一种支架输送系统及其后释放组件
EP2870947B1 (fr) Introducteur de greffon endoluminal et ensemble de capsule pour introducteur de greffon endoluminal
EP3508172A1 (fr) Dispositif de distribution multi-orifices préchargé
CN208838264U (zh) 分支血管的支架精准植入系统
WO2019227358A1 (fr) Système précis d'implantation d'endoprothèse pour vaisseau bifurqué
JP2002518130A (ja) 管腔路による機器の三次元位置決め系
CN203935305U (zh) 分支血管的支架精确植入系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14895887

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205N DATED 03/03/2017)

122 Ep: pct application non-entry in european phase

Ref document number: 14895887

Country of ref document: EP

Kind code of ref document: A1