WO1994016633B1 - Multifinger topocatheter tip for multilumen catheter for angioplasty and manipulation - Google Patents
Multifinger topocatheter tip for multilumen catheter for angioplasty and manipulationInfo
- Publication number
- WO1994016633B1 WO1994016633B1 PCT/US1994/001061 US9401061W WO9416633B1 WO 1994016633 B1 WO1994016633 B1 WO 1994016633B1 US 9401061 W US9401061 W US 9401061W WO 9416633 B1 WO9416633 B1 WO 9416633B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inflatable tubes
- narrow passageways
- catheter
- inflatable
- constriction
- Prior art date
Links
- 238000002399 angioplasty Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract 3
- 230000000414 obstructive Effects 0.000 claims 7
- 239000003365 glass fiber Substances 0.000 claims 2
- 230000002792 vascular Effects 0.000 claims 2
- 208000005189 Embolism Diseases 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
Abstract
A tip design for a multilumen catheter (1) which includes a plurality of inflatable tubes (6) each of which is attached to a lumen (3) at the distal end of the multilumen catheter. The inflatable tubes are normally inverted in their respective lumens, but can be individually everted, inflated, deflated, and retracted or inverted back into their lumen by the application of fluid pressure and vacuums at the proximal end of the multilumen catheter. In a procedure to open a constricted passageway one or more of the inflatable tubes can be inverted into the constriction and thereafter inflated to open the passageway. Thereafter, addition inflatable tubes can be inverted into the constriction and inflated to effect further opening of the passageway. In another embodiment, the inflatable tubes are provided with gripping surfaces (10) and are manipulated by appropriate fluid pressures like fingers to grasp and recover target objects in a blocked passageway.
Claims
1. A device for opening narrow passageways which comprises: a catheter having a proximal end and a distal end, said distal end including a surface whereat said catheter terminates; a plurality of internal lumens which extend between said proximal and distal ends; and a plurality of adjacent inflatable tubes which are attached to said plurality of lumens at said distal end of said catheter at said surface whereat said catheter terminates.
2. A device for opening narrow passageways according to claim 1, wherein said plurality of lumens includes at least two lumens to which two inflatable tubes are attached and a central lumen for receiving a guide wire or optical fiber.
3. A device for opening narrow passageways according to claim 2, wherein said plurality of lumens comprises between 3 to 13, including a central lumen and said plurality of inflatable tubes comprises between 2 to 12.
4. A device for opening narrow passageways according to claim 1, further comprising means to selectively apply pressures and vacuums to said plurality of lumens at said proximal end of said catheter to thereby evert the inflatable tubes from a retracted position in which said inflatable tubes are within said plurality of lumens, inflate the inflatable tubes, deflate the inflatable tubes and invert the inflatable tubes into said retracted position in said plurality of lumens.
5. A device for opening narrow passageways according to claim 4, wherein each of said plurality of
21
lumens is attached to a rigid connection tube at said proximal end of the catheter.
6. A device for opening narrow passageways according to claim 1, wherein said plurality of inflatable tubes includes projections on outer surfaces thereof for gripping a target object.
7. A device for opening narrow passageways according to claim 6, wherein said projections are on at least one side of the outer surfaces of the inflatable tubes.
8. A method of opening narrow passageways which comprises: locating a constriction in a passageway; inserting a distal end of a tubular member into said passageway and positioning said distal end adjacent said constriction; inserting a first inflatable tube into the constriction beyond the distal end of said tubular member and thereafter inflating the inflatable tube to open the constriction; thereafter deflating the first inflatable tube and inserting one or more similar inflatable tubes into the constriction together with the first inflatable tube and, after insertion, independently inflating each of the inflatable tubes together to further open the constriction. 22
9. A method of opening narrow passageways according to claim 8, wherein said tubular member comprises a catheter.
10. A method of opening narrow passageways according to claim 9, wherein, prior to being inserted into the constriction, each of said inflatable tubes is first inverted in a lumen in said catheter.
11. A method of opening narrow passageways
23
according to claim 10, wherein each of said inflatable tubes is everted from a retracted position in which said inflatable tubes are within a lumen in said catheter, inflated, deflated and, after opening said passage, inverted into the lumen in said catheter by selective application of fluid pressures and vacuums at a proximal end of said catheter.
12. A method of opening narrow passageways according to claim 9, wherein said constriction is located by using a guide wire.
13. A method of opening narrow passageways according to claim 9, wherein said passageway comprises a vascular passageway.
14. A method of removing obstructions from narrow passageways which comprises: locating a target object in a narrow passageway; inserting at least two inflatable tubes around the target object and thereafter inflating said at least two inflatable tubes so as to cause said at least two inflatable tubes to grip said target object; and withdrawing said inflatable tubes and said target object gripped thereby.
15. A method of removing obstructions from narrow passageways according to claim 14, wherein said at least two inflatable tubes are provided on the distal end of a catheter.
16. A method of removing obstructions from narrow passageways according to claim 15, 'wherein, prior to 24
being inserted into the constriction, each of said at least two inflatable tubes is first inverted in a
25
lumen in said catheter.
17. A method of removing obstructions from narrow passageways according to claim 14, wherein said passageway comprises a vascular passageway.
18. A method of removing obstructions from narrow passageways according to claim 14, wherein said target object comprises an embolus.
19. A method of removing obstructions from narrow passageways according to claim 14, wherein said target object comprises a separated guide wire tip.
20. A method of removing obstructions from narrow passageways according to claim 14 wherein said target object is located utilizing an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU60984/94A AU6098494A (en) | 1993-01-29 | 1994-01-28 | Multifinger topocatheter tip for multilumen catheter for angioplasty and manipulation |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1069593A | 1993-01-29 | 1993-01-29 | |
| US08/010,695 | 1993-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1994016633A1 WO1994016633A1 (en) | 1994-08-04 |
| WO1994016633B1 true WO1994016633B1 (en) | 1994-09-29 |
Family
ID=21746963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1994/001061 WO1994016633A1 (en) | 1993-01-29 | 1994-01-28 | Multifinger topocatheter tip for multilumen catheter for angioplasty and manipulation |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5437638A (en) |
| AU (1) | AU6098494A (en) |
| WO (1) | WO1994016633A1 (en) |
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| US7341598B2 (en) | 1999-01-13 | 2008-03-11 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US6692483B2 (en) | 1996-11-04 | 2004-02-17 | Advanced Stent Technologies, Inc. | Catheter with attached flexible side sheath |
| US6325826B1 (en) * | 1998-01-14 | 2001-12-04 | Advanced Stent Technologies, Inc. | Extendible stent apparatus |
| EP1723931B1 (en) | 1996-11-04 | 2012-01-04 | Advanced Stent Technologies, Inc. | Extendible stent apparatus and method for deploying the same |
| US7591846B2 (en) | 1996-11-04 | 2009-09-22 | Boston Scientific Scimed, Inc. | Methods for deploying stents in bifurcations |
| US6283940B1 (en) * | 1997-08-29 | 2001-09-04 | S. Grant Mulholland | Catheter |
| US7655030B2 (en) | 2003-07-18 | 2010-02-02 | Boston Scientific Scimed, Inc. | Catheter balloon systems and methods |
| US6884258B2 (en) | 1999-06-04 | 2005-04-26 | Advanced Stent Technologies, Inc. | Bifurcation lesion stent delivery using multiple guidewires |
| US6689156B1 (en) | 1999-09-23 | 2004-02-10 | Advanced Stent Technologies, Inc. | Stent range transducers and methods of use |
| AU2001263221A1 (en) * | 2000-05-16 | 2001-11-26 | Atrionix, Inc. | Deflectable tip catheter with guidewire tracking mechanism |
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| US8617231B2 (en) | 2001-05-18 | 2013-12-31 | Boston Scientific Scimed, Inc. | Dual guidewire exchange catheter system |
| US7206509B2 (en) * | 2002-11-29 | 2007-04-17 | Lucent Technologies Inc. | Method and apparatus for temporally shifting one or more packets using wavelength selective delays |
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| US7344557B2 (en) | 2003-11-12 | 2008-03-18 | Advanced Stent Technologies, Inc. | Catheter balloon systems and methods |
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| US8556851B2 (en) * | 2005-07-05 | 2013-10-15 | Angioslide Ltd. | Balloon catheter |
| US9439662B2 (en) | 2005-07-05 | 2016-09-13 | Angioslide Ltd. | Balloon catheter |
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| CN101583319A (en) * | 2006-07-06 | 2009-11-18 | 安乔斯里德公司 | Collecting sheath and method of use thereof |
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| US8641666B2 (en) * | 2007-05-16 | 2014-02-04 | Abbott Cardiovascular Systems Inc. | Catheter with laminar flow drug delivery properties |
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| US8377108B2 (en) | 2008-06-02 | 2013-02-19 | Boston Scientific Scimed, Inc. | Staggered two balloon bifurcation catheter assembly and methods |
| EP2299945B1 (en) | 2008-06-05 | 2016-03-23 | Boston Scientific Scimed, Inc. | Balloon bifurcated lumen treatment |
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| WO2010001404A1 (en) | 2008-07-02 | 2010-01-07 | Angioslide Ltd. | Balloon catheter system and methods of use thereof |
| US9675780B2 (en) | 2010-01-19 | 2017-06-13 | Angioslide Ltd. | Balloon catheter system and methods of making and use thereof |
| AU2012207362B2 (en) | 2011-01-18 | 2016-07-14 | Loma Vista Medical, Inc. | Inflatable medical devices |
| BR112015008571B1 (en) | 2012-10-18 | 2021-01-26 | Loma Vista Medical, Inc. | inflatable structure device for use as a reinforced inflatable medical device |
| JP2016503330A (en) | 2012-12-04 | 2016-02-04 | アンジオスライド リミテッド | Balloon catheter and method of using the same |
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| US2701559A (en) * | 1951-08-02 | 1955-02-08 | William A Cooper | Apparatus for exfoliating and collecting diagnostic material from inner walls of hollow viscera |
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| GB9014187D0 (en) * | 1990-06-26 | 1990-08-15 | Brown John J | Self retaining urinary catheter |
-
1994
- 1994-01-28 WO PCT/US1994/001061 patent/WO1994016633A1/en active Application Filing
- 1994-01-28 AU AU60984/94A patent/AU6098494A/en not_active Abandoned
- 1994-12-01 US US08/352,784 patent/US5437638A/en not_active Expired - Lifetime
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