JPH05505132A - バルーンカテーテルの遊離可能な被覆剤 - Google Patents
バルーンカテーテルの遊離可能な被覆剤Info
- Publication number
- JPH05505132A JPH05505132A JP4504328A JP50432892A JPH05505132A JP H05505132 A JPH05505132 A JP H05505132A JP 4504328 A JP4504328 A JP 4504328A JP 50432892 A JP50432892 A JP 50432892A JP H05505132 A JPH05505132 A JP H05505132A
- Authority
- JP
- Japan
- Prior art keywords
- balloon
- catheter
- microcapsules
- drug
- lumen
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000011248 coating agent Substances 0.000 title claims description 9
- 238000000576 coating method Methods 0.000 title claims description 7
- 239000003094 microcapsule Substances 0.000 claims description 68
- 239000003814 drug Substances 0.000 claims description 61
- 229940079593 drug Drugs 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 17
- 210000004027 cell Anatomy 0.000 claims description 11
- 229940127218 antiplatelet drug Drugs 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000000106 platelet aggregation inhibitor Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000002775 capsule Substances 0.000 claims description 5
- 230000000340 anti-metabolite Effects 0.000 claims description 4
- 229940100197 antimetabolite Drugs 0.000 claims description 4
- 239000002256 antimetabolite Substances 0.000 claims description 4
- 230000023555 blood coagulation Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 208000037803 restenosis Diseases 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 244000005700 microbiome Species 0.000 claims description 2
- 229940121363 anti-inflammatory agent Drugs 0.000 claims 3
- 239000002260 anti-inflammatory agent Substances 0.000 claims 3
- 239000003130 blood coagulation factor inhibitor Substances 0.000 claims 3
- 230000004663 cell proliferation Effects 0.000 claims 2
- 239000000975 dye Substances 0.000 claims 2
- 239000012035 limiting reagent Substances 0.000 claims 2
- 210000000663 muscle cell Anatomy 0.000 claims 2
- 241001465754 Metazoa Species 0.000 claims 1
- 230000001154 acute effect Effects 0.000 claims 1
- 239000013043 chemical agent Substances 0.000 claims 1
- 230000001684 chronic effect Effects 0.000 claims 1
- 238000003745 diagnosis Methods 0.000 claims 1
- 230000010339 dilation Effects 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 description 17
- 239000012790 adhesive layer Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 238000002399 angioplasty Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000012377 drug delivery Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002594 fluoroscopy Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 206010038563 Reocclusion Diseases 0.000 description 1
- 230000002491 angiogenic effect Effects 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 208000028659 discharge Diseases 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003102 growth factor Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000013147 laser angioplasty Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000015590 smooth muscle cell migration Effects 0.000 description 1
- 208000010110 spontaneous platelet aggregation Diseases 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002966 stenotic effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 230000024883 vasodilation Effects 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- 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
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
-
- 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
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- 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
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/14—Materials characterised by their function or physical properties, e.g. lubricating compositions
- A61L29/16—Biologically active materials, e.g. therapeutic substances
-
- 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
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
- A61L2300/406—Antibiotics
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/41—Anti-inflammatory agents, e.g. NSAIDs
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/416—Anti-neoplastic or anti-proliferative or anti-restenosis or anti-angiogenic agents, e.g. paclitaxel, sirolimus
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/42—Anti-thrombotic agents, anticoagulants, anti-platelet agents
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/60—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
- A61L2300/62—Encapsulated active agents, e.g. emulsified droplets
- A61L2300/622—Microcapsules
-
- 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
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/105—Balloon catheters with special features or adapted for special applications having a balloon suitable for drug delivery, e.g. by using holes for delivery, drug coating or membranes
-
- 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
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1081—Balloon catheters with special features or adapted for special applications having sheaths or the like for covering the balloon but not forming a permanent part of the balloon, e.g. retractable, dissolvable or tearable sheaths
-
- 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
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1086—Balloon catheters with special features or adapted for special applications having a special balloon surface topography, e.g. pores, protuberances, spikes or grooves
-
- 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
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Transplantation (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Child & Adolescent Psychology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Hematology (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Epidemiology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims (23)
- 1.カテーテル本体とカテーテル本体の長手方向に沿って配するバルーンからな るカテーテルであって、上記バルーンを遠隔的に膨ませかつしぼませる手段を含 むものにおいて、 (a)上記バルーンの外面上に複数のマイクロカプセルがあり、上記マイクロカ プセルが各々人体管腔内の治療または診断のための薬剤または薬剤化合物を担持 し、上記カテーテルが所望の位置に配され、かつ膨らんだ際に上記マイクロカプ セルから薬剤が放出されるようにしたカテーテル。
- 2.上記薬剤は、再狭窄制限剤、血小板凝集抑制剤、抗平滑筋細胞分芽増殖薬及 び診断用染料からなるグループから選択される請求項1のカテーテル。
- 3.上記薬剤は、血小板凝集抑制剤、血液凝固阻止剤、抗炎症剤、代謝拮抗剤及 びこれらの化合物からなるグループから選択される請求項1のカテーテル。
- 4.カテーテル本体とカテーテル本体の長手方向に沿って配する膨張バルーンか らなる膨張カテーテルにおいて、 (a).上記バルーンの外面の上に複数マイクロカプセルがあり、上記マイクロ カプセルが各々人体管腔内に作用する薬剤を担持し、上記カテーテルが所望の位 置に配されかつ膨らんだ際に上記マイクロカプセルから内容物が放出されるよう にしたことを特徴とする膨張カテーテル。
- 5.上記薬剤は、再狭窄制限剤、血小板凝集抑制剤、抗平滑筋細胞分芽増殖薬及 び診断用染料からなるグループから選択される請求項4の膨張カテーテル。
- 6.上記薬剤は、血小板凝集抑制剤、血液凝固阻止剤、抗炎症剤、代謝拮抗剤及 びこれらの化合物からなるグループから選択される請求項4の膨張カテーテル。
- 7.上記マイクロカプセルが接着剤によって上記バルーン表面に付着する請求項 4の膨張カテーテル。
- 8.上記マイクロカプセルが溶媒によって上記バルーン表面に付着する請求項4 の膨張カテーテル。
- 9.上記バルーンがしぼむ際に、上記マイクロカプセルが上記バルーンに形成さ れる折り回内に保持される請求項4の膨張カテーテル。
- 10.カテーテル本体とカテーテル本体の長手方向に沿って配する膨張バルーン からなる膨張カテーテルにおいて、(a)上記バルーンの外面上に複数のマイク ロカプセルがあり、上記マイクロカプセルが各々人体管腔内に作用する薬剤を担 持し、上記カテーテルが所望の位置に配されかつ膨らんだ際に上記マイクロカプ セルが遊離するようにしたことを特徴とする膨張カテーテル。
- 11.上記マイクロカプセルが血小板作用化学薬剤を担持する請求項10の膨張 バルーンカテーテル。
- 12.動物管腔における急性または慢性の管腔閉塞を制限する以下のステップか らなる方法: (a)カテーテルバルーン外面上に薬剤含んでいるマイクロカプセルを複数を有 する膨張カテーテルを、治療が必要な管腔へ挿入する;(b)上記バルーンを管 腔壁に対して膨張させ、上記マイクロカプセルを破裂させてその内容物を管腔壁 に対して放出させ、そして(c)上記膨張カテーテルを取り除く。
- 13.薬剤を人体管腔に供給可能なバルーンカテーテルを形成する以下のステッ プからなる方法: (a)バルーンを有するカテーテルを得、そして(b)上記外面に薬剤を含んで いる複数のマイクロカプセル供給する。
- 14.上記バルーンヘのマイクロカプセルを供給するステップが、上記バルーン にマイクロカプセルを付着させるものである請求項13の方法。
- 15.上記バルーンヘのマイクロカプセルを供給するステップが、上記バルーン にマイクロカプセルを溶媒によって付着させるものである請求項13の方法。
- 16.上記マイクロカプセルを上記バルーンに供給するステップが、上記バルー ンを膨らませて、そして上記バルーン上へ薬剤を含んでいるマイクロカプセルを 振りかけるものであり、そして、上記バルーンをしぼませて該バルーンの壁に形 成される折り回内に上記マイクロカプセルを保持させる請求項13の方法。
- 17.以下のステップからなる体管腔内の治療方法:(a)薬剤を含むマイクロ カプセルの外部被覆剤を有するバルーンを備えるバルーンカテーテルを治療対象 の管腔に挿入し、上記管腔壁の治療必要箇所に上記バルーンを位置させ、 (b)管腔壁に対して上記バルーンの膨張により上記マイクロカプセルを破裂さ せて内容物を放出させ、 (c)上記バルーンカテーテルを取り除く。
- 18.カテーテル本体とカテーテル本体の長手方向に沿って配する膨張バルーン からなる膨張カテーテルにおいて、(a)放出可能に薬剤を担持している上記バ ルーン外面被覆剤を有し、上記薬剤が管腔内で作用するものであり、上記カテー テルが所定の位置に配されて膨らだ際に上記被覆剤を放出する膨張カテーテル。
- 19.上記薬剤は、血小板凝集抑制剤、血液凝固阻止剤、抗炎症剤、代謝拮抗剤 およびこれらの化合物からなるグループから選択される請求項18の膨張カテー テル。
- 20.上記被覆剤がマイクロカプセルである請求項18の膨張カテーテル。
- 21.上記マイクロカプセルが溶媒によって上記バルーン表面に付着する請求項 20の膨張カテーテル。
- 22.上記マイクロカプセルは、接着剤によって上記バルーン表面に付着する請 求項20の膨張カテーテル。
- 23.カテーテル本体とカテーテル本体の長手方向に沿って配する膨張バルーン からなる膨張カテーテルにおいて、(a)少くとも2つの離れた膨張位置まで延 びる襞を付けたバルーンを有する膨張カテーテル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/637,436 US5102402A (en) | 1991-01-04 | 1991-01-04 | Releasable coatings on balloon catheters |
US637,436 | 1991-01-04 | ||
PCT/US1991/009411 WO1992011890A1 (en) | 1991-01-04 | 1991-12-11 | Releasable coatings on balloon catheters |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05505132A true JPH05505132A (ja) | 1993-08-05 |
JP3327470B2 JP3327470B2 (ja) | 2002-09-24 |
Family
ID=24555922
Family Applications (1)
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JP50432892A Expired - Fee Related JP3327470B2 (ja) | 1991-01-04 | 1991-12-11 | バルーンカテーテルの遊離可能な被覆剤 |
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US (1) | US5102402A (ja) |
EP (1) | EP0519063B1 (ja) |
JP (1) | JP3327470B2 (ja) |
CA (1) | CA2077539C (ja) |
DE (1) | DE69119753T2 (ja) |
IE (1) | IE78821B1 (ja) |
WO (1) | WO1992011890A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
JP3327470B2 (ja) | 2002-09-24 |
US5102402A (en) | 1992-04-07 |
IE920018A1 (en) | 1992-07-15 |
CA2077539C (en) | 2002-11-12 |
DE69119753D1 (de) | 1996-06-27 |
WO1992011890A1 (en) | 1992-07-23 |
DE69119753T2 (de) | 1997-01-23 |
IE78821B1 (en) | 1998-02-25 |
CA2077539A1 (en) | 1992-07-05 |
EP0519063B1 (en) | 1996-05-22 |
EP0519063A1 (en) | 1992-12-23 |
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