CN115192281A - Iliac artery branch stent - Google Patents
Iliac artery branch stent Download PDFInfo
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- CN115192281A CN115192281A CN202210858955.5A CN202210858955A CN115192281A CN 115192281 A CN115192281 A CN 115192281A CN 202210858955 A CN202210858955 A CN 202210858955A CN 115192281 A CN115192281 A CN 115192281A
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- iliac artery
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- branch
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- 210000003090 iliac artery Anatomy 0.000 title claims abstract description 154
- 210000001105 femoral artery Anatomy 0.000 claims description 6
- 239000003550 marker Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 238000007737 ion beam deposition Methods 0.000 description 13
- 238000013461 design Methods 0.000 description 8
- 208000008952 Iliac Aneurysm Diseases 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000002594 fluoroscopy Methods 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 230000007847 structural defect Effects 0.000 description 3
- 206010002329 Aneurysm Diseases 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 210000002302 brachial artery Anatomy 0.000 description 2
- 206010008118 cerebral infarction Diseases 0.000 description 2
- 208000026106 cerebrovascular disease Diseases 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000007536 Thrombosis Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 208000002223 abdominal aortic aneurysm Diseases 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 208000007474 aortic aneurysm Diseases 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010102 embolization Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
- 238000007631 vascular surgery Methods 0.000 description 1
Images
Classifications
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- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
- A61F2002/072—Encapsulated stents, e.g. wire or whole stent embedded in lining
-
- 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 invention relates to an iliac artery branch stent, and belongs to the technical field of medical instruments. Comprises a stent main body, wherein the stent main body comprises a common iliac artery section and an external iliac artery section which are communicated with each other continuously; an internal iliac short branch section communicated with the common iliac artery section is arranged at the junction of the common iliac artery section and the external iliac artery section; the inlet of the internal iliac short branch section is arranged at the outer side of the external iliac artery section, and the internal iliac short branch section is staggered with the external iliac artery section around the external iliac artery section and then faces the internal iliac artery; the near end of the internal iliac short branch section is provided with a non-equal-height waveform bracket, and the near end inlet and the far end outlet of the internal iliac short branch section are provided with mark points. The invention can realize large-scale production under the condition of considering individual differences and requirements of different patients; the method can be better applied to Asian patients; the internal iliac short branch section can rotate along with the stent main body, and the entry direction can be properly adjusted aiming at the internal iliac openings with different opening directions, thereby being beneficial to effectively reconstructing the internal iliac arteries.
Description
Technical Field
The invention relates to an iliac artery branch stent, and belongs to the technical field of medical instruments. In the invention, one end close to the heart is a near end, and the other end far away from the heart is a far end.
Background
The main-Iliac aneurysm accounts for 40% of abdominal aortic aneurysm, wherein the Common Iliac Artery (CIA) aneurysm is 70-90%, and the Internal Iliac Artery (IIA) aneurysm is 0-30%. Embolization of the bilateral Internal Iliac Artery (IIA), leading to the development of associated ischemic complications. The ESVS (European Society for Vascular Surgery) guidelines recommend that at least one internal iliac artery should be preserved for treatment with EVAR (endogenous anatomical oral angiostem Repair) in 2020. At present, there are various methods applied to the retention of the internal Iliac artery in the prior art, including a sandwich technique, a horn mouth technique, a crossover chimney, an Iliac Branch stent technique (IBD), etc., and research has confirmed that IBD has a higher technical success rate and a lower complication rate, and gradually becomes the preferred method for retaining the internal Iliac artery. A plurality of commercial IBDs are put into clinical application, the IBDs which are the first creation in China at present are more suitable for the anatomical structures of Chinese people in terms of design, and the effectiveness is clinically proved. But still has the defects, for example, 1, when the internal iliac artery is reconstructed, the posterior circulation cerebral infarction risk exists through the brachial artery access operation, and the complication occurrence risk related to the puncture point is increased; 2. the positioning requirement of the branch opening of the internal iliac artery is higher, and the possibility of failure of reconstruction of the internal iliac artery caused by inaccurate positioning is increased; 3. the short branch of the internal iliac artery is designed to have different heights, and is short of strong unfolding property and adherence. Therefore, there is a need in the art to obtain a stent for reconstructing internal iliac artery by applying femoral artery access (mountain-turning reconstruction) and overcoming the structural defects of the existing stent, so as to reduce the technical difficulties caused by high positioning requirements, improve the success rate of the operation, and simultaneously enhance the unfolding property and adherence of short branches of internal iliac artery.
Disclosure of Invention
The invention aims to solve the problem of how to obtain a stent for reconstructing internal iliac artery by applying femoral artery access (mountain-turning reconstruction of internal iliac artery), overcome the structural defects of the existing stent, reduce the technical difficulty caused by high positioning requirement, improve the success rate of operation, and simultaneously strengthen the short branch development and adherence of the internal iliac artery.
In order to solve the problems, the technical scheme adopted by the invention is to provide an iliac artery branch stent which comprises a stent main body, wherein the stent main body rebuilds iliac arteries through femoral arteries; the stent main body comprises a common iliac artery section and an external iliac artery section which are communicated with each other continuously; the junction of the common iliac artery section and the external iliac artery section is provided with an internal iliac artery short branch section communicated with the common iliac artery section; the inlet of the internal iliac artery short branch section is arranged at the outer side of the external iliac artery section, and the internal iliac artery short branch section is staggered forwards around the external iliac artery section and then faces the internal iliac artery; the proximal end of the internal iliac artery short branch section is provided with a non-equal-height waveform bracket, a middle-section annular structure and a far-section annular structure, the annular structures are provided with equal-height wave rows and cylindrical designs, and the proximal inlet and the distal outlet of the annular structures are provided with mark points.
Preferably, the internal iliac artery short branch section is provided with a plurality of annular stents close to the unequal-height waveform stent; the annular bracket is arranged on the side wall of the internal iliac short branch section.
Preferably, a constant-height wave-shaped bracket is arranged between the annular brackets.
Preferably, a columnar support piece used for improving the radial supporting force of the internal iliac short branch section is arranged between the annular supports.
Preferably, the number of the marking points arranged at the inlet of the proximal end of the internal iliac short branch section is 4, and the 4 marking points are uniformly distributed around the circumference of the inlet of the internal iliac short branch section and are respectively positioned at 12 o 'clock, 3 o' clock, 6 o 'clock and 9 o' clock.
Preferably, a mark point is arranged at the entrance of the common iliac artery section; the exit of the external iliac artery segment is provided with mark points (at the 3 o 'clock and 9 o' clock positions of the stent).
Preferably, the stent body comprises an elastic metal stent which can be implanted into a human body and a PET covering film coated on the stent.
Compared with the prior art, the invention has the following beneficial effects:
1. the iliac artery branch stent provided by the invention is a finished product structure, and can be produced on a large scale under the condition of considering individual differences and requirements of different patients.
2. The iliac artery branch stent provided by the invention is used for adjusting the diameter and the length of the stent according to the anatomical characteristics of the blood vessels of Asians so as to better match the corresponding artery, and can be better applied to Asian patients.
3. The invention provides an iliac artery branch stent, wherein the initial section of the short branch (internal iliac short branch section) is opened at the outer side of the external iliac artery section, the internal iliac short branch section can rotate along with the stent main body, the entering direction can be properly adjusted aiming at the internal iliac artery openings with different opening directions, the internal iliac artery opening can be accurately and effectively positioned, the flexibility is high, the internal iliac artery can be effectively reconstructed, the design of the unequal-high waveform stent at the proximal section of the short branch (internal iliac short branch section) ensures the effective expansion of the proximal section, and the design of the multi-position annular structure at the middle and distal sections and the isowave stent between the annular structure and the isowave stent strengthens the radial supporting force of the internal iliac artery short branch section. The initial turning of the internal iliac artery short branch section is positioned at the outer side of the stent main body to form a smooth turning angle, compared with the products in the prior art, the internal iliac artery short branch section greatly reduces the friction between the stent and the inner wall of the blood vessel, reduces the risk of blood vessel injury and wall-attached thrombus shedding, is more favorable for the smooth operation, and improves the success rate and the safety of the operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an implanted anterior iliac artery in accordance with the present invention;
FIG. 3 is a schematic diagram of the implantation time division step structure of the present invention.
Reference numerals are as follows: 1. a stent body; 2. a common iliac artery segment; 3. a short branch segment of the internal iliac artery; 4. an external iliac artery segment; 5. a proximal end marker point; 6. marking points of the proximal opening of the internal iliac artery branch; 7. a non-uniform height waveform support; 8. an annular support; 9. marking points at the distal outlet of the internal iliac artery branch; 10. the common iliac artery; 11. the external iliac artery; 12. the internal iliac artery.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below:
as shown in fig. 1-3, the technical scheme adopted by the invention is to provide an iliac artery branch stent, which comprises a stent main body 1, wherein the stent main body 1 reconstructs iliac arteries through femoral arteries; the stent main body 1 comprises a common iliac artery section 2 (placed in a common iliac artery 10) and an external iliac artery section 4 (placed in an external iliac artery 11) which are communicated in series; an internal iliac artery short branch section 3 communicated with the common iliac artery section 2 is arranged at the junction of the common iliac artery section 2 and the external iliac artery section 4; the inlet of the internal iliac artery short branch section 3 is arranged at the outer side of the external iliac artery section 4, and the internal iliac artery short branch section 3 is staggered forwards around the external iliac artery section 4 and then faces the internal iliac artery 12; the near end of the internal iliac artery short branch section 3 is provided with a non-equal-height waveform bracket 7, and the near end inlet and the far end outlet of the internal iliac artery short branch section 3 are provided with mark points; a proximal end opening mark point 6 of the internal iliac artery branch is arranged at the proximal end inlet; the far-end outlet is provided with an internal iliac branch far-end outlet mark point 9. A plurality of annular brackets 8 are arranged on the internal iliac artery short branch section 3 close to the unequal-height waveform bracket 7; the annular bracket 8 is arranged on the side wall of the internal iliac artery short branch section 3. Equal-height wave-shaped brackets are arranged between the annular brackets 8. Columnar support and marking fittings for improving the radial support force of the internal iliac artery short branch section 3 are arranged between the annular brackets 8. The number of the mark points 6 arranged at the inlet of the proximal end of the internal iliac artery short branch section 3 is set to be 4, and the 4 mark points 6 are uniformly distributed around the circumference of the inlet of the internal iliac artery short branch section 3. An end part mark point 5 is arranged at the inlet of the common iliac artery section 2; an end marking point 5 is arranged at the outlet of the external iliac artery section 4. The stent main body comprises an elastic metal stent which can be implanted into a human body and a PET covering film coated outside the stent.
Examples
The invention provides an iliac artery branch stent which is composed of a PET (polyethylene terephthalate) coating film and an elastic metal material implantable into a human body. In the releasing process, the iliac artery branch stent can provide enough and stable expansion force to expand the tectorial membrane, and the proximal end (common iliac artery section 2) and the long branch distal end (external iliac artery section 4) of the stent main body 1 can be attached to the vessel wall. The structural characteristics of the internal iliac artery short branch section 3 can ensure that the internal iliac artery short branch section 3 is completely unfolded for reconstruction of the internal iliac artery 12, and after the internal iliac artery short branch section 3 is reconstructed, blood flow can be isolated from iliac aneurysm, so that the iliac aneurysm is cured, and the function of reconstructing blood circulation of the internal iliac artery is achieved.
As shown in fig. 1;
the IBD stent body 1 comprises three parts (a common iliac artery section 2, an internal iliac short branch section 3 and an external iliac artery section 4), wherein end mark points 5 are far and near end mark points of the stent body 1, and can be developed under X-ray fluoroscopy to provide identification marks for far and near end positioning;
the proximal end mark point of the common iliac artery section 2 is the end mark point 5,X which can be visualized under fluoroscopy so as to provide an identification mark for the positioning of the proximal end;
the internal iliac short branch section 3 is sent from the outer side of the IBD stent main body 1, is an internal iliac artery end branch, is provided for internal iliac artery reconstruction, and structurally comprises an internal iliac artery branch proximal opening mark point 6, and provides marks for guide wires to be selected into the branch for partial opening mark points, wherein the marks are four in number and are respectively positioned at 12, 3, 6 and 9 o' clock positions of the opening, and the marks can be developed under X-ray fluoroscopy;
the near end of the internal iliac artery short branch section 3 is provided with an unequal-height waveform bracket 7 to ensure that the part is completely unfolded; the internal iliac artery short branch section 3 is provided with a structure with a plurality of annular brackets 8 near the far end direction of the unequal-height waveform bracket 7, equal-height waveform brackets are arranged between the annular brackets 8, the surface of each annular bracket is attached with a cylindrical 'Huang Jinzhu', and a cylindrical 'Huang Jinzhu' can provide radial supporting force for the internal iliac artery short branch section 3 and can be used as a marker; cylindrical 'Huang Jinzhu' is axially distributed along the outer side wall of the internal iliac short branch section 3.
The far end of the internal iliac short branch section 3 is provided with an internal iliac branch far end outlet mark point 9: the part is a mark point of the distal opening of the internal iliac artery short branch section 3 and provides a mark for a guide wire to enter the internal iliac artery 12 through the opening;
the far end of the external iliac artery section 4 is provided with a far end part mark point 5,X which can be visualized under fluoroscopy so as to provide an identification mark for far end positioning; d1 (mm) is the diameter of the proximal end of the stent main body 1; d2 (mm) is the distal diameter of the long branch (external iliac artery segment 4); d3 (mm) is the diameter of the inlet and the distal end of the internal iliac short branch section 3; l1 (mm) is the length of the film covering of the stent main body 1; l2 (mm) is the length of the coated membrane of the common iliac artery section 2.
At present, a plurality of commercial IBDs are put into clinical application in domestic markets, wherein Western imported products are mainly used, and due to the anatomical difference of Chinese and western ethnic groups, the application of part of Chinese people is limited, so that the IBDs which are originally created in China at present are more suitable for the anatomical characteristics of Chinese people in design, and the effectiveness is clinically proved. But still has defects, such as 1, when reconstructing internal iliac artery, through brachial artery access operation, posterior circulation cerebral infarction risk exists, and the risk of generating related complications of puncture point is increased; 2. the positioning requirement of the branch opening of the internal iliac artery 12 is higher, so that the possibility of internal iliac reconstruction failure caused by poor positioning is increased; 3. the short branch of the internal iliac artery is designed to be unequal in height, and is lack of strong unfolding property and adherence.
The stent provided by the invention is an iliac artery branch stent suitable for domestic patients. The utility model has the following characteristics in application and structure: 1. femoral artery access (mountain-turning reconstruction) is applied during the reconstruction of internal iliac artery; 2. the structural defects of the existing product are overcome, and the risk brought by high positioning requirement is reduced; 3. the developing property and the adherence of the short branches are enhanced; can effectively and safely realize the reconstruction of the internal iliac artery in the intracavity treatment process of the main iliac aneurysm.
The invention has the advantages that:
1. and (3) adopting a finished product design: the bracket provided by the invention is designed into a finished structure, and can be produced in a large scale under the condition of considering individual differences and requirements of different patients.
2. Fit asian patient anatomical features: the Western-style product IBD cannot be applied to most of domestic groups due to anatomical differences of Chinese and western people, and the diameter and the length of the stent are adjusted according to the anatomical features of Asian blood vessels so as to better match corresponding arteries and be better applied to Asian patients.
3. More optimized structural characteristics: the opening of the starting end of the short branch (the internal short iliac branch section 3) of the IBD stent body provided by the invention is positioned at the outer side of the external iliac artery section 4, and can rotate along with the stent body 1, the opening of the internal iliac artery 12 in different directions can be properly adjusted, which is beneficial to effectively reconstructing the internal iliac artery, the design of the unequal-height wave stent at the near end of the short branch (the internal short iliac branch section 3) ensures the effective expansion of the near end, and the design of the middle and far end multi-position annular structures 8 and the equal wave among the annular structures strengthens the radial supporting force.
The use process of the invention is as follows:
the IBD stent body 1 provided by the invention adopts the following application methods (as shown in figures 2-3):
the method comprises the following steps: the IBD stent is positioned after the introduction of the treatment side puncture point, and is partially released, and comprises a common iliac artery section, an internal iliac artery short branch and an external iliac artery section above the distal opening of the internal iliac artery short branch, as shown in figure 3;
step two: a sheath tube is arranged in the contralateral puncture point, and a guide wire enters the inlet of the starting end of the internal iliac artery short branch section 3 and enters the far end of the internal iliac artery 12 through the outlet of the far end;
step three: guiding the reconstructed stent into the internal iliac artery 12 through a guide wire, and positioning;
step four: the iliac artery stent is accurately positioned, and after being released, the IBD main body is completely released.
While the invention has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.
Claims (7)
1. An iliac artery branch stent comprises a stent main body and is characterized in that the stent main body rebuilds iliac arteries through femoral arteries; the stent main body comprises a common iliac artery section and an external iliac artery section which are communicated with each other continuously; an internal iliac artery short branch section communicated with the common iliac artery section is arranged at the junction of the common iliac artery section and the external iliac artery section; the inlet of the internal iliac artery short branch section is arranged at the outer side of the external iliac artery section, and the internal iliac artery short branch section is staggered forwards around the external iliac artery section and then faces to the opening of the internal iliac artery; the proximal end of the internal iliac artery short branch section is provided with a non-equal-height waveform bracket, and the proximal inlet and the distal outlet of the internal iliac artery short branch section are provided with mark points.
2. The iliac artery branch stent of claim 1, wherein the iliac artery branch segment is provided with a plurality of loop stents adjacent to the unequal-height wave stent; the annular bracket is arranged on the side wall of the internal iliac short branch section.
3. The iliac branch stent of claim 2, wherein a contoured stent is disposed between the ring stents.
4. The iliac artery branch stent of claim 2, wherein a columnar support and identification fitting for improving the radial support force of the iliac artery branch is arranged between the annular stents.
5. The iliac branch stent as claimed in claim 1, wherein the number of the markers provided at the proximal inlet of the iliac branch segment is 4, and the 4 markers are uniformly distributed around the circumference of the proximal inlet of the iliac branch segment.
6. The iliac branch stent as claimed in claim 1, wherein a marker point is provided at an entrance of the iliac artery segment; and a mark point is arranged at the outlet of the external iliac artery section.
7. The iliac artery branch stent of claim 1, wherein the stent body comprises an elastic metal stent implantable in a human body and a PET covering film coated on the stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210858955.5A CN115192281A (en) | 2022-07-21 | 2022-07-21 | Iliac artery branch stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210858955.5A CN115192281A (en) | 2022-07-21 | 2022-07-21 | Iliac artery branch stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115192281A true CN115192281A (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210858955.5A Pending CN115192281A (en) | 2022-07-21 | 2022-07-21 | Iliac artery branch stent |
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| Country | Link |
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| CN (1) | CN115192281A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090043377A1 (en) * | 2003-01-14 | 2009-02-12 | The Cleveland Clinic Foundation | Branched Vessel Endoluminal Device |
| CN107625562A (en) * | 2016-07-13 | 2018-01-26 | 先健科技(深圳)有限公司 | Branched membrane-covered support |
| CN109862850A (en) * | 2016-08-31 | 2019-06-07 | 恩朵罗杰克斯股份有限公司 | System and method with bracket and interstitital texture |
| CN111388142A (en) * | 2018-12-29 | 2020-07-10 | 杭州唯强医疗科技有限公司 | Bridging support and combined support |
-
2022
- 2022-07-21 CN CN202210858955.5A patent/CN115192281A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090043377A1 (en) * | 2003-01-14 | 2009-02-12 | The Cleveland Clinic Foundation | Branched Vessel Endoluminal Device |
| CN107625562A (en) * | 2016-07-13 | 2018-01-26 | 先健科技(深圳)有限公司 | Branched membrane-covered support |
| CN109862850A (en) * | 2016-08-31 | 2019-06-07 | 恩朵罗杰克斯股份有限公司 | System and method with bracket and interstitital texture |
| US20200253710A1 (en) * | 2016-08-31 | 2020-08-13 | Endologix, Inc. | Systems and methods with stent and filling structure |
| CN111388142A (en) * | 2018-12-29 | 2020-07-10 | 杭州唯强医疗科技有限公司 | Bridging support and combined support |
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