JP5837960B2 - 改良された薬物溶出要素を有する医用インプラント - Google Patents
改良された薬物溶出要素を有する医用インプラント Download PDFInfo
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- JP5837960B2 JP5837960B2 JP2014105219A JP2014105219A JP5837960B2 JP 5837960 B2 JP5837960 B2 JP 5837960B2 JP 2014105219 A JP2014105219 A JP 2014105219A JP 2014105219 A JP2014105219 A JP 2014105219A JP 5837960 B2 JP5837960 B2 JP 5837960B2
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- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/008—Implant devices for drainage of body fluids from one part of the body to another pre-shaped, for use in the urethral or ureteral tract
-
- 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
- A61F2/94—Stents retaining their form, i.e. not being deformable, after placement in the predetermined place
-
- 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
- A61F2002/041—Bile ducts
-
- 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
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0056—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in wettability, e.g. in hydrophilic or hydrophobic behaviours
-
- 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
- A61F2250/0067—Means for introducing or releasing pharmaceutical products into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Hematology (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Urology & Nephrology (AREA)
- Materials For Medical Uses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Description
12 出口
14 入口
16 ドレナージチューブ
18 ドレナージルーメン
22 膨潤層
24 キャスト層
25 外被覆
30 フラップの出口側アレイ
32 フラップの入口側アレイ
110 装置
112 出口
114 入口
115 曲がり
116 ドレナージチューブ
204 孔
206 生体分解性材料
210 装置
216 ドレナージチューブ
220 ピッグテール形状
310 装置
312 出口
316 ドレナージチューブ
317 逆流防止部材
324 入口ボア
326 出口ボア
d、D 直径
R 半径方向厚さ
X 長手方向軸線
Claims (16)
- 体内脈管の狭窄の治療のための埋め込み可能なドレナージ装置において、
入口を含み、出口まで伸びて、前記入口から前記出口まで形成されているドレナージルーメンを画定するドレナージチューブを備え、前記ドレナージチューブは、膨潤されたポリマー層と、前記膨潤されたポリマー層の周囲に形成されている外側ポリマー層を含み、前記外側ポリマー層は半径方向で形成され前記膨潤されたポリマー層を露出させる複数の孔を有し、前記膨潤されたポリマー層は、前記ポリマー層の孔を通り抜ける、調整された薬物溶出のために、その周囲に分散された化学物質を有している、埋め込み可能なドレナージ装置。 - 前記化学物質は、抗菌剤と抗血栓剤のうち少なくとも1つを含む、請求項1に記載の装置。
- 前記抗菌剤は、以下のもの、即ち、
セファロポリン類、クリンダマイシン、クロラムフェニコール、カルバペネム類、ミノサイクリン類、リファンピン、ペニシリン類、モノバクタム類、キノロン類、テトラサイクリン、マクロライド類、サルファ系抗生物質、トリメトプリム、フシジン酸、アミノグリコシド類、アンフォテリシンB、アゾール類、フルシトシン、シロフンギン、及びニッコZのうちの少なくとも1つを含む、請求項2に記載の装置。 - 前記抗血栓剤は、以下のもの、即ち、ホスホリルコリンとヘパリンのうちの少なくとも1つを含む、請求項2又は3に記載の装置。
- 前記装置を前記体内脈管にアンカー固定するために、前記ドレナージチューブから伸びる半径方向に張り出したフラップの入口側アレイと出口側アレイを含むアンカー固定用構成要素を更に備えている、請求項1乃至4のいずれか一項に記載の装置。
- 前記入口側アレイは、前記入口に近接して配置されている、請求項5に記載の装置。
- 前記出口側アレイは、前記ドレナージチューブの前記出口に近接して配置されている、請求項5に記載の装置。
- 前記ドレナージチューブがピッグテール形状を有している請求項1乃至7のいずれか一項に記載の装置。
- 体内脈管の狭窄の治療のための埋め込み可能なドレナージ装置において、
入口、出口及び入口から出口に延びるルーメンを有するドレナージチューブであって、膨潤されたポリマー層と、前記膨潤されたポリマー層の周囲に形成されている外側の層を含み、該外側の層は半径方向で形成され前記膨潤されたポリマー層を露出させる複数の孔を有し、前記膨潤されたポリマー層は、前記外側の層を通り抜ける、調整された薬物溶出のために、その周囲に分散された第1の化学物質を有しており、前記外側の層は、同層からの薬物溶出のために、その周囲に配置された第2の化学物質を有するドレナージチューブと,
前記ドレナージチューブの前記出口と共同で動作可能な逆流防止部材であって、入口ボアと、前記入口ボアと流体連通している出口ボアとを有し、前記入口ボアと前記出口ボアは、前記逆流防止部材の前記出口ボアから前記入口ボアへの逆流を低減するために非整列関係にある逆流防止部材と、
を有するドレナージ装置。 - 前記第2の化学物質は、抗菌剤と抗血栓剤のうちの少なくとも1つを含む、請求項9に記載の装置。
- 前記抗菌剤は、以下のもの、即ち、
セファロポリン類、クリンダマイシン、クロラムフェニコール、カルバペネム類、ミノサイクリン類、リファンピン、ペニシリン類、モノバクタム類、キノロン類、テトラサイクリン、マクロライド類、サルファ系抗生物質、トリメトプリム、フシジン酸、アミノグリコシド類、アンフォテリシンB、アゾール類、フルシトシン、シロフンギン、及びニッコZのうちの少なくとも1つを含む、請求項10に記載の装置。 - 前記抗血栓剤は、以下のもの、即ち、ホスホリルコリンとヘパリンのうちの少なくとも1つを含む、請求項10又は11に記載の装置。
- 前記ドレナージチューブはポリマー材料を含み、該ポリマー材料は、以下のもの、即ち、エラストマーポリウレタン類、ポリウレタンコポリマー類、シリコン類、ポリカーボネート類、ポリオレフィン、ビニル芳香族系ポリマー類、ビニル芳香族系コポリマー類、エチレン系コポリマー類、ポリアセタール類、クロロポリマー類、ポリエステル類、ポリエステル−エーテル類、ポリアミド類、ポリアミドエーテル類、及びポリエーテル類のうちの少なくとも1つを含む、請求項9乃至12のいずれか一項に記載の装置。
- 前記ドレナージチューブの前記外側の層からの前記第2の化学物質の薬物溶出を遅らせるために、前記ドレナージチューブの前記外側の層の周囲に配置された生体分解性被覆層を更に含む、請求項9乃至13のいずれか一項に記載の装置。
- 前記生体分解性被覆層は、以下のもの、即ち、ポリエステル類、ポリ(アミノ酸類)、コポリ(エーテル−エステル類)、ポリアルキレン類、オキサレート類、ポリアミド類、ポリ(イミノカーボネート類)、ポリオルトエステル類、ポリオキサエステル類、ポリアミドエステル類、アミド基含有ポリオキサエステル類、ポリ(アンハンドライド類)、ポリホスファゼン類、ポリ−アルファ−ヒドロキシ酸類、トリメチレンカーボネート、ポリ−ベータ−ヒドロキシ酸類、ポリオルガノホスファジン類、ポリアンハイドライド類、ポリエステルアミド類、ポリエチレンオキシド、ポリエステル−エーテル類、ポリホスホエステル、ポリホスホエステルウレタン、シアノアクリレート類、ポリ(トリメチレンカーボネート)、ポリ(イミノカーボネート)、ポリアルキレンオキサレート、ポリビニルピロリドン、ポリビニルアルコール、ポリ−N−(2−ヒドロキシプロピル)−メタクリルアミド、ポリグリコール類、脂肪族ポリエステル類、ポリ(オルトエステル類)、ポリ(エステル−アミド類)、ポリアンハイドライド類、変性多糖類、及び変性タンパク質類のうちの少なくとも1つを含む、請求項14に記載の装置。
- 前記逆流防止膜の前記入口ボア及び前記出口ボアの少なくとも1つは、前記逆流防止部材の中心軸線に対して平行でずれた位置となるようにされている、請求項9乃至15のいずれか一項に記載の装置。
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US20090216319A1 (en) | 2009-08-27 |
AU2008293471A1 (en) | 2009-03-05 |
JP2014205042A (ja) | 2014-10-30 |
WO2009029744A1 (en) | 2009-03-05 |
JP2010537743A (ja) | 2010-12-09 |
CA2698096C (en) | 2013-01-22 |
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