JP7451089B2 - 尿管ステント - Google Patents
尿管ステント Download PDFInfo
- Publication number
- JP7451089B2 JP7451089B2 JP2019067338A JP2019067338A JP7451089B2 JP 7451089 B2 JP7451089 B2 JP 7451089B2 JP 2019067338 A JP2019067338 A JP 2019067338A JP 2019067338 A JP2019067338 A JP 2019067338A JP 7451089 B2 JP7451089 B2 JP 7451089B2
- Authority
- JP
- Japan
- Prior art keywords
- stent
- wall
- lumen
- patient
- thickness
- 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.)
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- 210000000626 ureter Anatomy 0.000 claims description 10
- 229920001661 Chitosan Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 description 24
- 210000003734 kidney Anatomy 0.000 description 18
- 210000003932 urinary bladder Anatomy 0.000 description 17
- 210000002700 urine Anatomy 0.000 description 16
- 239000012530 fluid Substances 0.000 description 11
- 239000004575 stone Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000012634 fragment Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 210000001635 urinary tract Anatomy 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 208000009911 Urinary Calculi Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 230000027939 micturition Effects 0.000 description 2
- 229920006124 polyolefin elastomer Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- DSUFPYCILZXJFF-UHFFFAOYSA-N 4-[[4-[[4-(pentoxycarbonylamino)cyclohexyl]methyl]cyclohexyl]carbamoyloxy]butyl n-[4-[[4-(butoxycarbonylamino)cyclohexyl]methyl]cyclohexyl]carbamate Chemical compound C1CC(NC(=O)OCCCCC)CCC1CC1CCC(NC(=O)OCCCCOC(=O)NC2CCC(CC3CCC(CC3)NC(=O)OCCCC)CC2)CC1 DSUFPYCILZXJFF-UHFFFAOYSA-N 0.000 description 1
- 208000002513 Flank pain Diseases 0.000 description 1
- 206010062575 Muscle contracture Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 208000031737 Tissue Adhesions Diseases 0.000 description 1
- IUWCPXJTIPQGTE-UHFFFAOYSA-N chromium cobalt Chemical compound [Cr].[Co].[Co].[Co] IUWCPXJTIPQGTE-UHFFFAOYSA-N 0.000 description 1
- 208000006111 contracture Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
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- 229920001296 polysiloxane Polymers 0.000 description 1
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- 239000004814 polyurethane Substances 0.000 description 1
- 210000002254 renal artery Anatomy 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012781 shape memory material Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or 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
- 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
- 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
- A61L31/04—Macromolecular materials
- A61L31/042—Polysaccharides
-
- 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
- A61F2002/048—Ureters
-
- 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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/22—Materials or treatment for tissue regeneration for reconstruction of hollow organs, e.g. bladder, esophagus, urether, uterus
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1078—Urinary tract
- A61M2210/1085—Bladder
Description
12 腎臓
14 膀胱
16 尿管
100 ステント
102 第1の部分
104 第2の部分
106 第1の壁
108 第1の管腔部
110 第2の壁
112 管腔部
112 第2の管腔部
200 ステント
204 第2の部分
300 ステント
302 第1の部分
304 第2の部分
310 壁
312 管腔部
Claims (9)
- 第1の管腔部を画定する第1の壁を有する、第1の部分であって、前記第1の壁は第1の壁厚及び第1の最大直径を有する、第1の部分と、
前記第1の部分から長手方向に隔てられた第2の部分であって、前記第2の部分は、第2の管腔部を画定する第2の壁を有し、前記第2の管腔部は、前記第1の最大直径に等しい第2の最大直径と、複数の管腔部分を画定する複数の壁とを有し、前記複数の管腔部分は、前記第1の最大直径より小さい第3の最大直径を有し、前記第2の管腔部は、前記第1の壁厚に等しい第2の壁厚を備える、第2の部分と、を備え、
前記複数の壁は、ステントに40センチメートルH2O (cm H2O) から60 cm H2Oの外部圧力がかかるときに前記第2の管腔部を実質的に閉鎖することを可能にするように構成され、
前記第1の部分及び前記第2の部分の断面は尿管ステントの長さ全体に沿って一定でない、
ステント。 - 前記第2の壁が、前記第1の壁より低いデュロメータを有する、請求項1に記載のステント。
- 前記第1の壁及び前記第2の壁がポリマーから作製されている、請求項1に記載のステント。
- 前記第2の壁がキトサンから作製されている、請求項1に記載のステント。
- 前記第1の壁が、前記第2の壁よりも厚い、請求項1に記載のステント。
- 前記ステントが尿管ステントである、請求項1に記載のステント。
- 前記第2の部分が、患者の膀胱に留置される、請求項6に記載のステント。
- 前記第2の部分が、患者の尿管に置かれる、請求項6に記載のステント。
- 前記第2の部分が複数の部分を更に含み、前記複数の部分の各々は、複数の管腔部を画定する複数の区画壁を有し、前記複数の区画壁は長手方向に分布する、請求項1に記載のステント。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/941,598 | 2018-03-30 | ||
US15/941,598 US11318289B2 (en) | 2018-03-30 | 2018-03-30 | Ureteral stent |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019181193A JP2019181193A (ja) | 2019-10-24 |
JP7451089B2 true JP7451089B2 (ja) | 2024-03-18 |
Family
ID=65911030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019067338A Active JP7451089B2 (ja) | 2018-03-30 | 2019-03-29 | 尿管ステント |
Country Status (5)
Country | Link |
---|---|
US (2) | US11318289B2 (ja) |
EP (2) | EP3925658A1 (ja) |
JP (1) | JP7451089B2 (ja) |
CN (1) | CN110327140A (ja) |
ES (1) | ES2882561T3 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11318289B2 (en) | 2018-03-30 | 2022-05-03 | Gyrus Acmi, Inc. | Ureteral stent |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020183852A1 (en) | 2001-06-01 | 2002-12-05 | Mcweeney John O. | Compressible ureteral stent for comfort |
US20030195456A1 (en) | 2002-04-16 | 2003-10-16 | Robertson David W. | Ureteral stent with end-effector and related methods |
JP2005312897A (ja) | 2004-04-26 | 2005-11-10 | Acmi Corp | 輸尿管ステント |
WO2016185482A1 (en) | 2015-05-20 | 2016-11-24 | Innoventions Ltd. | Stent and method of use |
US20170095651A1 (en) | 2010-08-05 | 2017-04-06 | Taris Biomedical Llc | Ureteral stent drug delivery device, kit, and method |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4553959A (en) * | 1982-01-27 | 1985-11-19 | The Victoria University Of Manchester | Urethral catheter |
DE4236571A1 (de) * | 1992-10-29 | 1994-05-05 | Hans Prof Dr Med Sachse | Rohrförmige Ureterschiene |
US6991614B2 (en) * | 1995-11-07 | 2006-01-31 | Boston Scientific Scimed, Inc. | Ureteral stent for improved patient comfort |
US6676623B2 (en) | 2001-05-04 | 2004-01-13 | Scimed Life Systems, Inc. | Drainage devices and methods |
US6582472B2 (en) * | 1997-02-26 | 2003-06-24 | Applied Medical Resources Corporation | Kinetic stent |
US20080086214A1 (en) * | 1998-08-31 | 2008-04-10 | Wilson-Cook Medical Inc. | Medical device having a sleeve valve with bioactive agent |
US6764519B2 (en) | 2000-05-26 | 2004-07-20 | Scimed Life Systems, Inc. | Ureteral stent |
US6719804B2 (en) * | 2001-04-02 | 2004-04-13 | Scimed Life Systems, Inc. | Medical stent and related methods |
US6908447B2 (en) | 2002-04-18 | 2005-06-21 | Scimed Life Systems, Inc. | Anti-reflux ureteral stents and methods |
US7044981B2 (en) * | 2003-01-22 | 2006-05-16 | Boston Scientific Scimed, Inc. | Ureteral stent configured for improved patient comfort and aftercare |
JP2007507302A (ja) * | 2003-09-30 | 2007-03-29 | アルヴィオラス,インコーポレイテッド | アクティブステント |
US7396366B2 (en) | 2005-05-11 | 2008-07-08 | Boston Scientific Scimed, Inc. | Ureteral stent with conforming retention structure |
US20140052272A1 (en) * | 2012-08-20 | 2014-02-20 | Boston Scientific Scimed, Inc. | Comfort stents |
US9127526B2 (en) * | 2012-12-03 | 2015-09-08 | Halliburton Energy Services, Inc. | Fast pressure protection system and method |
EP2749308B1 (en) * | 2012-12-28 | 2016-04-27 | Cook Medical Technologies LLC | Hollow fiber ureteral stent |
US9878817B2 (en) | 2014-12-24 | 2018-01-30 | Dryip, Llc | Enhanced strength partitioned container |
US10517710B2 (en) * | 2015-12-03 | 2019-12-31 | Cook Medical Technologies Llc | Helical hollow strand ureteral stent |
SE540134C2 (en) * | 2017-04-04 | 2018-04-10 | Madeleine Ramstedt | Indwelling urethral device |
US11318289B2 (en) | 2018-03-30 | 2022-05-03 | Gyrus Acmi, Inc. | Ureteral stent |
-
2018
- 2018-03-30 US US15/941,598 patent/US11318289B2/en active Active
-
2019
- 2019-03-23 ES ES19164772T patent/ES2882561T3/es active Active
- 2019-03-23 EP EP21175131.8A patent/EP3925658A1/en active Pending
- 2019-03-23 EP EP19164772.6A patent/EP3546017B1/en active Active
- 2019-03-27 CN CN201910236771.3A patent/CN110327140A/zh active Pending
- 2019-03-29 JP JP2019067338A patent/JP7451089B2/ja active Active
-
2022
- 2022-04-04 US US17/657,895 patent/US20220226624A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020183852A1 (en) | 2001-06-01 | 2002-12-05 | Mcweeney John O. | Compressible ureteral stent for comfort |
US20030195456A1 (en) | 2002-04-16 | 2003-10-16 | Robertson David W. | Ureteral stent with end-effector and related methods |
JP2005312897A (ja) | 2004-04-26 | 2005-11-10 | Acmi Corp | 輸尿管ステント |
US20170095651A1 (en) | 2010-08-05 | 2017-04-06 | Taris Biomedical Llc | Ureteral stent drug delivery device, kit, and method |
WO2016185482A1 (en) | 2015-05-20 | 2016-11-24 | Innoventions Ltd. | Stent and method of use |
Also Published As
Publication number | Publication date |
---|---|
EP3546017B1 (en) | 2021-05-26 |
US11318289B2 (en) | 2022-05-03 |
EP3925658A1 (en) | 2021-12-22 |
EP3546017A1 (en) | 2019-10-02 |
US20190298978A1 (en) | 2019-10-03 |
ES2882561T3 (es) | 2021-12-02 |
CN110327140A (zh) | 2019-10-15 |
US20220226624A1 (en) | 2022-07-21 |
JP2019181193A (ja) | 2019-10-24 |
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