NO301050B1 - Enkeltlumen, ventilutrustet ballongkateterenhet - Google Patents
Enkeltlumen, ventilutrustet ballongkateterenhet Download PDFInfo
- Publication number
- NO301050B1 NO301050B1 NO932789A NO932789A NO301050B1 NO 301050 B1 NO301050 B1 NO 301050B1 NO 932789 A NO932789 A NO 932789A NO 932789 A NO932789 A NO 932789A NO 301050 B1 NO301050 B1 NO 301050B1
- Authority
- NO
- Norway
- Prior art keywords
- balloon
- catheter
- distal
- segment
- diameter
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 238000002399 angioplasty Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
- 238000004804 winding 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- 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
- A61M2025/1063—Balloon catheters with special features or adapted for special applications having only one lumen used for guide wire and inflation, e.g. to minimise the diameter
-
- 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
- A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
- A61M25/0075—Valve means
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Prostheses (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Catching Or Destruction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/650,808 US5171221A (en) | 1991-02-05 | 1991-02-05 | Single lumen low profile valved balloon catheter |
PCT/US1992/000726 WO1992013589A1 (en) | 1991-02-05 | 1992-01-28 | Single lumen low profile valved balloon catheter |
Publications (3)
Publication Number | Publication Date |
---|---|
NO932789L NO932789L (no) | 1993-08-04 |
NO932789D0 NO932789D0 (no) | 1993-08-04 |
NO301050B1 true NO301050B1 (no) | 1997-09-08 |
Family
ID=24610381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO932789A NO301050B1 (no) | 1991-02-05 | 1993-08-04 | Enkeltlumen, ventilutrustet ballongkateterenhet |
Country Status (15)
Country | Link |
---|---|
US (1) | US5171221A (de) |
EP (1) | EP0570517B1 (de) |
JP (1) | JP2716584B2 (de) |
KR (1) | KR970009722B1 (de) |
AT (1) | ATE141175T1 (de) |
AU (1) | AU652526B2 (de) |
CA (1) | CA2084525C (de) |
DE (1) | DE69212813T2 (de) |
DK (1) | DK0570517T3 (de) |
ES (1) | ES2093254T3 (de) |
FI (1) | FI933439A (de) |
GR (1) | GR3021637T3 (de) |
HU (1) | HUT66893A (de) |
NO (1) | NO301050B1 (de) |
WO (1) | WO1992013589A1 (de) |
Families Citing this family (81)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5032113A (en) * | 1989-04-13 | 1991-07-16 | Scimed Life Systems, Inc. | Innerless catheter |
US5484409A (en) * | 1989-08-25 | 1996-01-16 | Scimed Life Systems, Inc. | Intravascular catheter and method for use thereof |
US5318529A (en) * | 1989-09-06 | 1994-06-07 | Boston Scientific Corporation | Angioplasty balloon catheter and adaptor |
EP0420488B1 (de) | 1989-09-25 | 1993-07-21 | Schneider (Usa) Inc. | Mehrschichtextrusion als Verfahren zur Herstellung von Ballons zur Gefässplastik |
US5454788A (en) * | 1991-04-24 | 1995-10-03 | Baxter International Inc. | Exchangeable integrated-wire balloon catheter |
JP2939893B2 (ja) * | 1991-04-24 | 1999-08-25 | バクスター インターナショナル インコーポレーテッド | 交換可能な一体式−ワイヤーバルーンカテーテル |
US5195969A (en) | 1991-04-26 | 1993-03-23 | Boston Scientific Corporation | Co-extruded medical balloons and catheter using such balloons |
US5833706A (en) * | 1991-07-05 | 1998-11-10 | Scimed Life Systems, Inc. | Single operator exchange perfusion catheter having a distal catheter shaft section |
US5490837A (en) * | 1991-07-05 | 1996-02-13 | Scimed Life Systems, Inc. | Single operator exchange catheter having a distal catheter shaft section |
US5976107A (en) * | 1991-07-05 | 1999-11-02 | Scimed Life Systems. Inc. | Catheter having extendable guide wire lumen |
US5378238A (en) * | 1991-10-15 | 1995-01-03 | Scimed Life Systems, Inc. | Innerless dilatation catheter with balloon stretch or manual valve |
WO1993018816A1 (en) * | 1992-03-17 | 1993-09-30 | Scimed Life Systems, Inc. | Balloon dilatation catheter having a free core wire |
US5312340A (en) * | 1992-03-17 | 1994-05-17 | Scimed Life Systems, Inc. | Balloon dilatation catheter having dual sealing plugs |
US5417658A (en) * | 1992-03-17 | 1995-05-23 | Scimed Life Systems, Inc. | Balloon dilatation catheter having a torsionally soft component |
US5683410A (en) * | 1993-11-04 | 1997-11-04 | Target Therapeutics, Inc. | Single-lumen balloon catheter having a directional valve |
US6096055A (en) * | 1992-11-13 | 2000-08-01 | Target Therapuetics, Inc. | Single-lumen balloon catheter having a directional valve |
US5437632A (en) * | 1993-06-02 | 1995-08-01 | Target Therapeutics, Inc. | Variable stiffness balloon catheter |
US6896842B1 (en) | 1993-10-01 | 2005-05-24 | Boston Scientific Corporation | Medical device balloons containing thermoplastic elastomers |
DE69433506T2 (de) | 1993-10-01 | 2004-06-24 | Boston Scientific Corp., Natick | Medizinische, thermoplastische elastomere enthaltende ballone |
US5465733A (en) * | 1993-10-14 | 1995-11-14 | Hinohara; Tomoaki | Guide wire for catheters and method for its use |
US5391178A (en) * | 1994-02-14 | 1995-02-21 | Yapor; Wesley | Cerebral dilator |
US5921957A (en) * | 1994-07-12 | 1999-07-13 | Scimed Life Systems, Inc. | Intravascular dilation catheter |
EP0776227A4 (de) * | 1994-09-09 | 1999-01-20 | Applied Med Resources | Embolektomiekatheter und methode zu seiner herstellung |
US5814062A (en) * | 1994-12-22 | 1998-09-29 | Target Therapeutics, Inc. | Implant delivery assembly with expandable coupling/decoupling mechanism |
US5951513A (en) * | 1995-02-24 | 1999-09-14 | Advanced Cardiovascular Systems, Inc. | Balloon catheter having non-bonded integral balloon and methods for its manufacture |
US5601538A (en) * | 1995-03-07 | 1997-02-11 | Medtronic, Inc. | Flow directed catheter with hydrophilic distal end |
DE69629555T2 (de) * | 1995-03-31 | 2004-07-01 | Medtronic AVE, Inc., Santa Rosa | Einlumiger ballonkatheter |
US5766201A (en) * | 1995-06-07 | 1998-06-16 | Boston Scientific Corporation | Expandable catheter |
US6440097B1 (en) | 1995-10-06 | 2002-08-27 | Target Therapeutics, Inc. | Balloon catheter with delivery side holes |
US5882334A (en) * | 1995-12-04 | 1999-03-16 | Target Therapeutics, Inc. | Balloon/delivery catheter assembly with adjustable balloon positioning |
US6102903A (en) * | 1995-12-14 | 2000-08-15 | Medtronics, Inc. | Device and method for selectively delivering fluid into an anatomical lumen |
US6090083A (en) * | 1996-01-31 | 2000-07-18 | Scimed Life Systems, Inc. | Low profile valve and balloon catheter |
WO1997044085A2 (en) | 1996-05-20 | 1997-11-27 | Percusurge, Inc. | Low profile catheter valve |
US6544276B1 (en) | 1996-05-20 | 2003-04-08 | Medtronic Ave. Inc. | Exchange method for emboli containment |
US6050972A (en) | 1996-05-20 | 2000-04-18 | Percusurge, Inc. | Guidewire inflation system |
US6786888B1 (en) | 1996-05-20 | 2004-09-07 | Medtronic Ave, Inc. | Low profile catheter for emboli protection |
US5817057A (en) * | 1996-09-13 | 1998-10-06 | Micro Interventional Systems, Inc. | Fluid propulsion steerable catheter and method |
US6017323A (en) * | 1997-04-08 | 2000-01-25 | Target Therapeutics, Inc. | Balloon catheter with distal infusion section |
DE69828181T2 (de) * | 1997-09-12 | 2005-12-08 | Nippon Zeon Co., Ltd. | Ballonkatheter |
US6074407A (en) * | 1997-10-14 | 2000-06-13 | Target Therapeutics, Inc. | Delivery catheter for occlusive implants |
US9586023B2 (en) | 1998-02-06 | 2017-03-07 | Boston Scientific Limited | Direct stream hydrodynamic catheter system |
US6517515B1 (en) | 1998-03-04 | 2003-02-11 | Scimed Life Systems, Inc. | Catheter having variable size guide wire lumen |
US6113579A (en) * | 1998-03-04 | 2000-09-05 | Scimed Life Systems, Inc. | Catheter tip designs and methods for improved stent crossing |
US5947927A (en) * | 1998-03-23 | 1999-09-07 | Scimed Life Systems, Inc. | Convertible catheter having a single proximal lumen |
US6544217B1 (en) * | 1999-02-01 | 2003-04-08 | Micro Therapeutics, Inc. | Guidewire-occluded balloon catheter |
US6221066B1 (en) | 1999-03-09 | 2001-04-24 | Micrus Corporation | Shape memory segmented detachable coil |
US6648854B1 (en) | 1999-05-14 | 2003-11-18 | Scimed Life Systems, Inc. | Single lumen balloon-tipped micro catheter with reinforced shaft |
US6475185B1 (en) | 2000-02-24 | 2002-11-05 | Scimed Life Systems, Inc. | Occlusion device |
US7947059B2 (en) | 2000-03-02 | 2011-05-24 | Boston Scientific Scimed, Inc. | Multilayer medical device |
US20050182437A1 (en) * | 2001-11-06 | 2005-08-18 | Bonnette Michael J. | Guidewire assembly including a repeatably inflatable occlusive balloon on a guidewire ensheathed with a spiral coil |
US6942678B2 (en) * | 2001-11-06 | 2005-09-13 | Possis Medical, Inc. | Gas inflation/evacuation system and sealing system for guidewire assembly having occlusive device |
US7169161B2 (en) | 2001-11-06 | 2007-01-30 | Possis Medical, Inc. | Guidewire having occlusive device and repeatably crimpable proximal end |
US6932828B2 (en) | 2001-11-06 | 2005-08-23 | Possis Medical, Inc. | Guidewire occlusion system utilizing repeatably inflatable gas-filled occlusive device |
US7488339B2 (en) | 2002-10-21 | 2009-02-10 | Boston Scientific Scimed, Inc. | Multilayer medical device |
US6951675B2 (en) | 2003-01-27 | 2005-10-04 | Scimed Life Systems, Inc. | Multilayer balloon catheter |
WO2004075952A2 (en) | 2003-02-26 | 2004-09-10 | Boston Scientific Limited | Balloon catheter |
US7166099B2 (en) | 2003-08-21 | 2007-01-23 | Boston Scientific Scimed, Inc. | Multilayer medical devices |
US9232948B2 (en) | 2003-12-23 | 2016-01-12 | Stryker Corporation | Catheter with distal occlusion apparatus |
US20080275393A1 (en) * | 2004-08-24 | 2008-11-06 | Bonnette Michael J | Isolation thrombectomy catheter system |
JP5047166B2 (ja) * | 2005-06-10 | 2012-10-10 | クック メディカル テクノロジーズ エルエルシー | 湾曲しにくいバルーンカテーテル |
US7615031B2 (en) * | 2005-09-01 | 2009-11-10 | Medrad, Inc. | Gas inflation/evacuation system incorporating a multiple element valved guidewire assembly having an occlusive device |
US20070060878A1 (en) * | 2005-09-01 | 2007-03-15 | Possis Medical, Inc. | Occlusive guidewire system having an ergonomic handheld control mechanism and torqueable kink-resistant guidewire |
US8608703B2 (en) * | 2007-06-12 | 2013-12-17 | Medrad, Inc. | Infusion flow guidewire system |
US8162878B2 (en) * | 2005-12-05 | 2012-04-24 | Medrad, Inc. | Exhaust-pressure-operated balloon catheter system |
WO2009079539A1 (en) * | 2007-12-17 | 2009-06-25 | Medrad, Inc. | Rheolytic thrombectomy catheter with self-inflation distal balloon |
US8439878B2 (en) | 2007-12-26 | 2013-05-14 | Medrad, Inc. | Rheolytic thrombectomy catheter with self-inflating proximal balloon with drug infusion capabilities |
DE112009000700T5 (de) | 2008-03-20 | 2011-02-10 | Medrad, Inc. | Hydrodynamisches Direktstrom-Kathetersystem |
US8939991B2 (en) | 2008-06-08 | 2015-01-27 | Hotspur Technologies, Inc. | Apparatus and methods for removing obstructive material from body lumens |
US9101382B2 (en) | 2009-02-18 | 2015-08-11 | Hotspur Technologies, Inc. | Apparatus and methods for treating obstructions within body lumens |
US8945160B2 (en) * | 2008-07-03 | 2015-02-03 | Hotspur Technologies, Inc. | Apparatus and methods for treating obstructions within body lumens |
WO2010003135A2 (en) * | 2008-07-03 | 2010-01-07 | Hotspur Technologies, Inc. | Apparatus and methods for treating obstructions within body lumens |
US20120109057A1 (en) | 2009-02-18 | 2012-05-03 | Hotspur Technologies, Inc. | Apparatus and methods for treating obstructions within body lumens |
US8440090B2 (en) | 2010-04-29 | 2013-05-14 | Abbott Cardiovascular Systems Inc. | Apparatus and method of making a variable stiffness multilayer catheter tubing |
JP5164283B2 (ja) | 2010-06-25 | 2013-03-21 | 朝日インテック株式会社 | バルーンカテーテル |
WO2012021697A1 (en) | 2010-08-12 | 2012-02-16 | Medrad, Inc. | Infusion flow system and fluid coupling |
US10849771B2 (en) | 2011-06-27 | 2020-12-01 | Boston Scientific Scimed, Inc. | Stent delivery systems and methods for making and using stent delivery systems |
US9126013B2 (en) | 2012-04-27 | 2015-09-08 | Teleflex Medical Incorporated | Catheter with adjustable guidewire exit position |
KR101618824B1 (ko) | 2013-11-11 | 2016-05-10 | 안용철 | 벌룬 카테터 |
EP3713502A4 (de) | 2017-11-22 | 2021-07-07 | Front Line Medical Technologies Inc. | Vorrichtungen und verfahren zur blutgefässokklusion |
US11813420B2 (en) | 2020-03-25 | 2023-11-14 | Medtronic Vascular, Inc. | Balloon catheter |
KR102546468B1 (ko) * | 2021-02-08 | 2023-06-22 | (주)시지바이오 | 의료용 부재 삽입 장치 및 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3402717A (en) * | 1965-08-12 | 1968-09-24 | George O. Doherty | Endotracheal tube with valved balloon having a removable inflation stylet insert therein |
US4413989A (en) * | 1980-09-08 | 1983-11-08 | Angiomedics Corporation | Expandable occlusion apparatus |
DE3326648C2 (de) * | 1983-07-23 | 1986-02-27 | Werner Dr.med. 4330 Mülheim Schubert | Ballonkatheter |
FR2563726B1 (fr) * | 1984-05-04 | 1986-10-10 | Robert Cassou | Appareil d'insemination artificielle, notamment des carnivores |
US4813934A (en) * | 1987-08-07 | 1989-03-21 | Target Therapeutics | Valved catheter device and method |
US5035705A (en) * | 1989-01-13 | 1991-07-30 | Scimed Life Systems, Inc. | Method of purging a balloon catheter |
WO1992000775A1 (en) * | 1990-07-03 | 1992-01-23 | Mallinckrodt Medical, Inc. | Ptca catheter having an optionally fixated corewire |
-
1991
- 1991-02-05 US US07/650,808 patent/US5171221A/en not_active Expired - Lifetime
-
1992
- 1992-01-28 DE DE69212813T patent/DE69212813T2/de not_active Expired - Lifetime
- 1992-01-28 HU HU9302262A patent/HUT66893A/hu active IP Right Revival
- 1992-01-28 AU AU14153/92A patent/AU652526B2/en not_active Ceased
- 1992-01-28 DK DK92906796.5T patent/DK0570517T3/da active
- 1992-01-28 ES ES92906796T patent/ES2093254T3/es not_active Expired - Lifetime
- 1992-01-28 KR KR1019930702158A patent/KR970009722B1/ko not_active IP Right Cessation
- 1992-01-28 JP JP4506616A patent/JP2716584B2/ja not_active Expired - Fee Related
- 1992-01-28 WO PCT/US1992/000726 patent/WO1992013589A1/en active IP Right Grant
- 1992-01-28 EP EP92906796A patent/EP0570517B1/de not_active Expired - Lifetime
- 1992-01-28 AT AT92906796T patent/ATE141175T1/de active
- 1992-01-28 CA CA002084525A patent/CA2084525C/en not_active Expired - Fee Related
-
1993
- 1993-08-02 FI FI933439A patent/FI933439A/fi unknown
- 1993-08-04 NO NO932789A patent/NO301050B1/no unknown
-
1996
- 1996-11-14 GR GR960403008T patent/GR3021637T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DK0570517T3 (da) | 1996-09-02 |
JPH06509244A (ja) | 1994-10-20 |
HU9302262D0 (en) | 1993-11-29 |
EP0570517A4 (de) | 1993-09-15 |
AU1415392A (en) | 1992-09-07 |
GR3021637T3 (en) | 1997-02-28 |
DE69212813T2 (de) | 1996-12-19 |
FI933439A0 (fi) | 1993-08-02 |
FI933439A (fi) | 1993-08-02 |
NO932789L (no) | 1993-08-04 |
JP2716584B2 (ja) | 1998-02-18 |
KR930703037A (ko) | 1993-11-29 |
EP0570517B1 (de) | 1996-08-14 |
ATE141175T1 (de) | 1996-08-15 |
EP0570517A1 (de) | 1993-11-24 |
AU652526B2 (en) | 1994-08-25 |
DE69212813D1 (de) | 1996-09-19 |
CA2084525C (en) | 1995-08-08 |
NO932789D0 (no) | 1993-08-04 |
WO1992013589A1 (en) | 1992-08-20 |
KR970009722B1 (ko) | 1997-06-17 |
ES2093254T3 (es) | 1996-12-16 |
HUT66893A (en) | 1995-01-30 |
US5171221A (en) | 1992-12-15 |
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