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1. (CN106236342) Implanted completely bioresorbable blood vessel polymer support

Office : China
Application Number: 102016000708181 Application Date: 23.08.2016
Publication Number: 106236342 Publication Date: 21.12.2016
Publication Kind : A
IPC:
A61F 2/915
A61M 31/00
A61L 31/06
A61L 31/10
A61L 31/14
A61L 31/16
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
2
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
82
Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
86
Stents in a form characterised by wire-like elements; Stents in a form characterised by a net-like or mesh-like structure
90
characterised by a net-like or mesh-like structure
91
made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
915
with bands having a meander structure, adjacent bands being connected to each other
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
31
Devices for introducing or retaining media, e.g. remedies, in cavities of the body
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
L
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
31
Materials for other surgical articles
04
Macromolecular materials
06
obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
L
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
31
Materials for other surgical articles
08
Materials for coatings
10
Macromolecular materials
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
L
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
31
Materials for other surgical articles
14
Materials characterised by their function or physical properties
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
L
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
31
Materials for other surgical articles
14
Materials characterised by their function or physical properties
16
Biologically active materials, e.g. therapeutic substances
Applicants: SHENZHEN SALUBRIS BIOLOGICAL MEDICAL ENGINEERING CO., LTD.
Inventors: CHEN YONG
HU XIAOLU
GAO KANGRONG
SHEN FENG
Priority Data:
Title: (EN) Implanted completely bioresorbable blood vessel polymer support
(ZH) 一种植入式完全生物可吸收血管聚合物支架
Abstract: front page image
(EN) The invention relates to an implanted completely bioresorbable blood vessel polymer support which comprises five or more annular wave-shaped supporting rods and connecting rods connected between the supporting rods at intervals. The supporting rods of the support are formed by alternately connecting quasi-arc-shaped waves and quasi-m-shaped waves, wherein the quasi-arc-shaped waves and the quasi-m-shaped waves are formed by connecting two sets of forward s and inverted s respectively, and every two adjacent supporting rods are connected by connecting the tops of the quasi-arc-shaped waves and the bottoms of the quasi-m-shaped waves through the corresponding connecting rod. The net pattern form of the polymer support is carved on a thin wall pipe through lasers. According to the scheme, the contradiction among the radial supporting force, the wall thickness and flexibility of the polymer support is resolved, the radial supporting force, the wall thickness and flexibility are considered at the same time, good passage capacity is achieved, enough mechanical supporting can be given to a lesion segment within the specific time of injury healing, the support is gradually absorbed by the body after injury healing, endothelialization is good, and the stenosis rate of the support and the risk of the support in later stent thrombosis are reduced effectively.
(ZH) 本发明涉及一种植入式完全生物可吸收血管聚合物支架,包括五个以上的环状波形支撑杆,以及间隔连接于该支撑杆之间的连接杆,所述支架的支撑杆由类“Ω”形波和类“m”形波交替连接而成,其中,类“Ω”形波和类“m”形波分别由两组正“s”和倒“s”连接构成,相邻两个支撑杆之间的连接是由连接杆在类“Ω”形波顶和类“m”形波底连接起来,该聚合物支架网状花纹样式是由薄壁管材经激光雕刻而成。该方案调和了聚合物支架的径向支撑力与壁厚、柔顺性之间的矛盾,实现三者兼顾,拥有良好的通过性能,也能在损伤愈合的特定时间内给予病变段足够的机械支撑,并且在损伤愈合后逐步被机体吸收,内皮化良好,有效地降低支架再狭窄率和晚期支架内血栓的风险。