CN110559109A - Intracardiac branch of academic or vocational study prevents intervention support of massive haemorrhage - Google Patents
Intracardiac branch of academic or vocational study prevents intervention support of massive haemorrhage Download PDFInfo
- Publication number
- CN110559109A CN110559109A CN201910918540.0A CN201910918540A CN110559109A CN 110559109 A CN110559109 A CN 110559109A CN 201910918540 A CN201910918540 A CN 201910918540A CN 110559109 A CN110559109 A CN 110559109A
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- graphene
- diversion port
- tube body
- bearing tube
- far
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- 208000032843 Hemorrhage Diseases 0.000 title claims abstract description 15
- 230000001755 vocal effect Effects 0.000 title claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 110
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 110
- 239000000835 fiber Substances 0.000 claims description 10
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- 210000004204 blood vessel Anatomy 0.000 abstract description 14
- 238000001356 surgical procedure Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 7
- 208000007536 Thrombosis Diseases 0.000 abstract description 6
- 230000017531 blood circulation Effects 0.000 abstract description 4
- 206010047141 Vasodilatation Diseases 0.000 abstract 1
- 230000024883 vasodilation Effects 0.000 abstract 1
- 230000000740 bleeding effect Effects 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000019622 heart disease Diseases 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/024—Carbon; Graphite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/18—Materials at least partially X-ray or laser opaque
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Abstract
The invention relates to an interventional bracket for preventing massive hemorrhage in cardiology department, which comprises a bearing pipe body, a graphene far-end flow guide port and a graphene near-end flow guide port, wherein the bearing pipe body is of a mesh pipe structure with a rectangular axial section, the graphene far-end flow guide port and the graphene near-end flow guide port are of mesh pipe structures with isosceles trapezoid axial sections, the inflow end of the bearing pipe body is communicated with the graphene far-end flow guide port, and the outflow end of the bearing pipe body is communicated with the graphene near-end flow guide port. The invention has the advantages of small surface area, good supporting force, bearing capacity, covering capacity and hydromechanical property, can effectively improve the blood circulation performance in the blood vessel and effectively reduce the risk of thrombosis, and has the advantages of good tracing performance, small end, X-ray impermeability, good biocompatibility and good vasodilatation performance, thereby greatly improving the convenience and the precision of the detection and the positioning of the stent after the heart bypass surgery.
Description
Technical Field
The invention relates to a heart disease treatment device, in particular to an interventional stent for preventing massive hemorrhage in cardiology.
Background
The heart bypass surgery is an important means for treating heart diseases, wherein a heart stent is an important treatment instrument of the surgery and has a large use amount, but in use, the current heart stent is usually prepared on the basis of metal materials such as stainless steel, nickel alloy and the like, although the requirements of the surgery and disease treatment operation can be met, the toughness, the supporting force, the bearing capacity, the covering capacity and the hydromechanical property of the current heart stent are relatively poor, meanwhile, after the heart stent is implanted into a human body, the influence on the blood fluidity and the trafficability is increased, the risk of thrombosis is easily increased, the heart stent cannot be effectively matched with surgical activities and other instruments in the surgery process, the blood is prevented from being largely lost from damaged blood vessel parts, the surgery difficulty and the risk are greatly increased, and in the treatment and the subsequent examination of the heart diseases, the current heart stent has poor tracking capability, is not easy to be found in the X-ray detection process, and seriously influences the detection efficiency and precision, thereby seriously influencing the treatment effect of the heart bypass surgery.
Therefore, in view of the above problems, there is an urgent need to develop a new cardiac stent to meet the needs of practical use.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the interventional stent for preventing massive bleeding in the cardiology department, which has the advantages of simple structure, flexible use, small surface area, good supporting force, bearing capacity, covering capacity and hydromechanical property, can effectively improve the blood circulation performance in the blood vessel and effectively reduce the risk of thrombosis, has good tracing performance, small end head, X-ray impermeability, good biocompatibility and good blood vessel expansibility, is convenient to be matched with other surgical equipment for use, and effectively controls the bleeding amount of the damaged part of the blood vessel, thereby effectively reducing the surgical difficulty and the surgical risk and greatly improving the convenience and the precision of the detection and the positioning of the stent after the heart bypass surgery.
In order to realize the purpose, the invention is realized by the following technical scheme:
An interventional stent for preventing massive hemorrhage in cardiology department comprises a bearing tube body, a graphene far-end diversion port and a graphene near-end diversion port, wherein the bearing tube body is of a mesh tube structure with a rectangular axial section, the graphene far-end diversion port and the graphene near-end diversion port are of isosceles trapezoid mesh tube structures, the flow-in end of the bearing tube body is communicated with the graphene far-end diversion port, the flow-out end of the bearing tube body is communicated with the graphene near-end diversion port, the bearing tube body, the graphene far-end diversion port and the graphene near-end diversion port are coaxially distributed, the maximum pipe diameter of the graphene far-end diversion port is 1.5-2.5 times of the pipe diameter of the bearing tube body, the minimum pipe diameter of the graphene near-end diversion port is 1/3-2/3 of the pipe diameter of the bearing tube body, and the graphene far-end diversion port and the graphene near-end diversion port which are connected with the bearing tube body form a, the working groups are at least two, and the two adjacent working groups are connected with each other through the graphene near-end diversion port of the previous working group and the graphene far-end diversion port of the next working group and are coaxially distributed.
Furthermore, the mesh of the bearing pipe body, the graphene far-end flow guide port and the graphene near-end flow guide port is any one of a parallelogram, a W-shaped structure and a U-shaped structure, the total area of the mesh is 80% -90% of the total surface area of the outer surfaces of the bearing pipe body, the graphene far-end flow guide port and the graphene near-end flow guide port, and the diameter of the pedicle bone corresponding to the mesh is 3-10 nanometers.
Furthermore, the lengths of the positioning graphene far-end diversion port and the graphene near-end diversion port of the bearing pipe body are 10% -40% of the length of the bearing pipe body.
Further, when the working groups are connected, the graphene near-end diversion port of the previous working group is connected with the graphene far-end diversion port of the next working group, the front end face of the graphene near-end diversion port of the previous working group is embedded in the graphene far-end diversion port of the next working group, and the embedding depth is 1/5-1/2 of the length of the graphene far-end diversion port of the next working group.
Further, the graphene far-end flow guide port, the graphene near-end flow guide port and the bearing pipe body are connected through at least three graphene fibers uniformly distributed around the axis of the bearing pipe body, the diameter of each graphene fiber is 3-10 nanometers, and the axis of each graphene fiber and the axis of the bearing pipe body form an included angle of 0-90 degrees.
The invention has simple structure and flexible use, has small surface area, good supporting force, bearing capacity, covering capacity and hydromechanical property on one hand, can effectively improve the blood circulation performance in the blood vessel and can effectively reduce the risk of thrombosis, has good tracing performance, small end, X-ray impermeability, good biocompatibility and good expansion performance on the blood vessel on the other hand, is convenient to be used in combination with other equipment in the operation, and effectively controls the bleeding amount of the damaged part of the blood vessel, thereby effectively achieving the purposes of reducing the operation difficulty and the operation risk and greatly improving the convenience and the precision of detecting and positioning the stent after the heart bypass operation.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
In order to make the technical features, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with reference to the specific embodiments.
As shown in fig. 1, an intervention stent for preventing massive hemorrhage in cardiology department comprises a bearing tube body 1, a graphene far-end diversion port 2 and a graphene near-end diversion port 3, wherein the bearing tube body 1 is a mesh tube structure with a rectangular axial cross section, the graphene far-end diversion port 2 and the graphene near-end diversion port 3 are both mesh tube structures with isosceles trapezoid axial cross sections, an inflow end of the bearing tube body 1 is communicated with the graphene far-end diversion port 2, an outflow end of the bearing tube body is communicated with the graphene near-end diversion port 3, and the bearing tube body 1, the graphene far-end diversion port 2 and the graphene near-end diversion port 3 are coaxially distributed, wherein a maximum pipe diameter of the graphene far-end diversion port 2 is 1.5-2.5 times a pipe diameter of the bearing tube body 1, a minimum pipe diameter of the graphene near-end diversion port 3 is 1/3-2/3 of the pipe diameter of the bearing tube body 1, and the graphene far-end diversion port, Graphene near-end flow guide ports 3 form a working group, the working groups are at least two, and the graphene near-end flow guide ports 3 of the two adjacent working groups and the graphene far-end flow guide ports 2 of the next working group are mutually connected and coaxially distributed.
the bearing pipe body 1, the graphene far-end flow guide opening 2 and the graphene near-end flow guide opening 3 are all any one of a parallelogram, a W-shaped structure and a U-shaped structure, the total area of meshes is 80% -90% of the total surface area of the outer surfaces of the bearing pipe body 1, the graphene far-end flow guide opening 2 and the graphene near-end flow guide opening 3, and the diameter of a stem corresponding to the meshes is 3-10 nanometers.
Meanwhile, the lengths of the positioning graphene far-end diversion port 2 and the graphene near-end diversion port 3 of the bearing pipe body 1 are 10% -40% of the length of the bearing pipe body 1.
It is emphasized that, when the working groups are connected, the graphene near-end diversion port 3 of the previous working group is connected with the graphene far-end diversion port 2 of the next working group, the front end face of the graphene near-end diversion port 3 of the previous working group is embedded in the graphene far-end diversion port 2 of the next working group, and the embedding depth is 1/5-1/2 of the length of the graphene far-end diversion port 2 of the next working group.
Meanwhile, the graphene far-end diversion port 2, the graphene near-end diversion port 3 and the bearing pipe body 1 are connected with each other and the graphene far-end diversion port 2 and the graphene near-end diversion port 3 are connected with each other through at least three graphene fibers 4 uniformly distributed around the axis of the bearing pipe body 1, the diameter of each graphene fiber 4 is 3-10 nanometers, and the axis of each graphene fiber 4 and the axis of the bearing pipe body form an included angle of 0-90 degrees.
In this embodiment, the bearing pipe body is made of any one of metal materials such as graphene fiber, stainless steel, and nickel alloy.
In the implementation of an operation, firstly, the pipe diameter of a bearing pipe body meeting the use requirement is selected according to the blood vessel diameter serving as a standard of the operation, then the number of working groups formed by the bearing pipe body, the graphene far-end flow guide port, the graphene near-end flow guide port and the bearing pipe body, the graphene far-end flow guide port and the graphene near-end flow guide port is selected and connected according to the length of a stent working surface, and then the device is installed in the blood vessel of a patient, so that the blood vessel can be supported and expanded through the bearing pipe body, the graphene far-end flow guide port and the graphene near-end flow guide port, the blood passing performance is improved, and the thrombosis risk is reduced; when X-ray detection is carried out after operation, X-ray cannot penetrate through the graphene material of the graphene far-end flow guide port and the graphene near-end flow guide port, so that the traceability and the detection positioning accuracy in follow-up detection are greatly improved.
The invention has simple structure and flexible use, has small surface area, good supporting force, bearing capacity, covering capacity and hydromechanical property on one hand, can effectively improve the blood circulation performance in the blood vessel and can effectively reduce the risk of thrombosis, has good tracing performance, small end, X-ray impermeability, good biocompatibility and good expansion performance on the blood vessel on the other hand, is convenient to be used in combination with other equipment in the operation, and effectively controls the bleeding amount of the damaged part of the blood vessel, thereby effectively achieving the purposes of reducing the operation difficulty and the operation risk and greatly improving the convenience and the precision of detecting and positioning the stent after the heart bypass operation.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a intracardiac branch of academic or vocational study prevents intervention support of massive haemorrhage which characterized in that: the heart stent comprises a bearing tube body, a graphene far-end diversion port and a graphene near-end diversion port, wherein the bearing tube body is of a mesh tube structure with a rectangular axial section, the graphene far-end diversion port and the graphene near-end diversion port are of mesh tube structures with isosceles trapezoid axial sections, the inflow end of the bearing tube body is communicated with the graphene far-end diversion port, the outflow end of the bearing tube body is communicated with the graphene near-end diversion port, and the bearing tube body, the graphene far-end diversion port and the graphene near-end diversion port are coaxially distributed, wherein the maximum pipe diameter of the graphene far-end diversion port is 1.5-2.5 times of the pipe diameter of the bearing tube body, the minimum pipe diameter of the graphene near-end diversion port is 1/3-2/3 of the pipe diameter of the bearing tube body, one bearing tube body, the graphene far-end diversion port and the graphene near-end diversion port which are connected with the bearing tube body form a working, and two adjacent working groups are mutually connected and coaxially distributed through the graphene near-end diversion port of the previous working group and the graphene far-end diversion port of the next working group.
2. The interventional stent for preventing massive hemorrhage in cardiology department according to claim 1, wherein the meshes of the bearing tube body, the graphene distal diversion port and the graphene proximal diversion port are all any one of parallelograms, W-shaped structures and U-shaped structures, the total area of the meshes is 80-90% of the total surface area of the outer surface of the bearing tube body, the graphene distal diversion port and the outer surface of the graphene proximal diversion port, and the diameter of the pedicle bone corresponding to the meshes is 3-10 nm.
3. The interventional stent for preventing massive hemorrhage according to claim 1, wherein the lengths of the positioning graphene distal diversion port and the graphene proximal diversion port of the bearing tube body are 10-40% of the length of the bearing tube body.
4. The interventional stent for preventing massive hemorrhage in cardiology department according to claim 1 or 3, wherein when the working groups are connected, the graphene proximal diversion port of the previous working group is connected with the graphene distal diversion port of the next working group, and the front end face of the graphene proximal diversion port of the previous working group is embedded in the graphene distal diversion port of the next working group to a depth of 1/5-1/2 of the length of the graphene distal diversion port of the next working group.
5. The interventional stent for preventing massive hemorrhage in cardiology department according to claim 1, wherein the graphene distal diversion port, the graphene proximal diversion port and the bearing tube body, and the graphene distal diversion port and the graphene proximal diversion port are connected by at least three graphene fibers uniformly distributed around the axis of the bearing tube body, the diameter of the graphene fiber is 3-10 nm, and the axis of the graphene fiber and the axis of the bearing tube body form an included angle of 0-90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918540.0A CN110559109B (en) | 2019-09-26 | 2019-09-26 | Intracardiac branch of academic or vocational study prevents intervention support of massive haemorrhage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918540.0A CN110559109B (en) | 2019-09-26 | 2019-09-26 | Intracardiac branch of academic or vocational study prevents intervention support of massive haemorrhage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110559109A true CN110559109A (en) | 2019-12-13 |
| CN110559109B CN110559109B (en) | 2021-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910918540.0A Expired - Fee Related CN110559109B (en) | 2019-09-26 | 2019-09-26 | Intracardiac branch of academic or vocational study prevents intervention support of massive haemorrhage |
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| Country | Link |
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| CN (1) | CN110559109B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112107399A (en) * | 2020-09-22 | 2020-12-22 | 卢飞飞 | Intracardiac branch of academic or vocational study prevents intervention support of massive haemorrhage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6485510B1 (en) * | 1999-04-15 | 2002-11-26 | Mayo Foundation For Medical Education And Research | Multi-section stent |
| CN103826757A (en) * | 2011-08-01 | 2014-05-28 | 雅培心血管系统公司 | Multiple stent design and coating thereof |
| CN104922736A (en) * | 2014-03-17 | 2015-09-23 | 陈立安 | Graphene heart stent |
| CN105832450A (en) * | 2016-05-19 | 2016-08-10 | 孙三友 | Endovascular intervention stent |
| CN208145207U (en) * | 2018-01-16 | 2018-11-27 | 广西中医药大学 | A kind of graphene cardiac stent |
| CN209107690U (en) * | 2018-05-30 | 2019-07-16 | 杭州唯强医疗科技有限公司 | Segmented overlay film frame |
-
2019
- 2019-09-26 CN CN201910918540.0A patent/CN110559109B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6485510B1 (en) * | 1999-04-15 | 2002-11-26 | Mayo Foundation For Medical Education And Research | Multi-section stent |
| CN103826757A (en) * | 2011-08-01 | 2014-05-28 | 雅培心血管系统公司 | Multiple stent design and coating thereof |
| CN104922736A (en) * | 2014-03-17 | 2015-09-23 | 陈立安 | Graphene heart stent |
| CN105832450A (en) * | 2016-05-19 | 2016-08-10 | 孙三友 | Endovascular intervention stent |
| CN208145207U (en) * | 2018-01-16 | 2018-11-27 | 广西中医药大学 | A kind of graphene cardiac stent |
| CN209107690U (en) * | 2018-05-30 | 2019-07-16 | 杭州唯强医疗科技有限公司 | Segmented overlay film frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112107399A (en) * | 2020-09-22 | 2020-12-22 | 卢飞飞 | Intracardiac branch of academic or vocational study prevents intervention support of massive haemorrhage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110559109B (en) | 2021-07-16 |
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Granted publication date: 20210716 |