US6579300B2
Expired / Lapsed
US
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Steerable sphincterotome and methods for cannulation, papillotomy and sphincterotomy
Assignee: Boston Scientific Scimed Inc
•
Filing: 2001-01-18
•
Granted: 2003-06-17
•
Expires: 2021-01-18
Abstract
Abstract A methodology of and apparatus for accurately positioning devices for performing endoscopic cannulation, papillotomy and sphincterotomy and similar procedures. The sphincterotome with a steerable or adjustable distal segment of the present invention allows the physician to control the position of the distal tip of the device independently of the endoscope and adjust for inconsistencies in the device and the anatomy. According to one embodiment of the present invention, a threaded portion of a cable assembly cooperates with a torque transmission element and a cog to enable the operator to rotate a cutting wire into a desired position relative to the catheter. Alternate embodiments allow the operator to fix the depth of a needle knife while allowing, if desired, accurate rotational positioning of the associated catheter. Threaded stabilizing elements, pivot elements and a steering wire may be used together or individually to accomplish these features.
Inventors
- 👤 John A. Griego
- 👤 Yem Chin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:15
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1492; A61B17/00; A61B17/32; A61B17/320016; A61B17/3205; A61B17/32056; A61B17/00234; A61B2017/00292; A61B2017/003; A61B17/32002; A61B2017/320032; A61B2018/00053; A61B2018/00166; A61B2018/00315; A61B2018/00553; A61B2018/00571; A61B2018/00601; A61B2018/1405; A61B2018/1407; A61B2018/1435; A61B2018/1437; A61B2018/144; A61B18/18; A61B18/1815; A61B2018/1861
Claims Analysis
Total Claims: 69
Claim 1
Independent Claim
76 words
In an endoscopic catheter having a distally located tissue cutting device in a first lumen thereof, the improvement for orienting the cutting device which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; and reciprocation of said cable causing rotation of at least a distal portion of said catheter to orient said cutting device.
Claim 2
Dependent Claim
76 words
In an endoscopic catheter having a distally located tissue cutting device in a first lumen thereof, the improvement for orienting the cutting device which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; and reciprocation of said cable causing rotation of at least a distal portion of said catheter to orient said cutting device.
Claim 3
Dependent Claim
15 words
Catheter of claim 1 wherein said cable has spiral threads on an outer circumference thereof.
Claim 4
Dependent Claim
17 words
Catheter of claim 2 wherein said fixed member includes a spiral thread on an inner circumference thereof.
Claim 5
Dependent Claim
11 words
Catheter of claim 1 wherein said cutting device is a sphincterotome.
Claim 6
Dependent Claim
11 words
Catheter of claim 1 wherein said cutting device is a papillotome.
Claim 7
Dependent Claim
18 words
Catheter of claim 1 wherein said cutting device operates in response to energy from an rf heating source.
Claim 8
Dependent Claim
21 words
Catheter of claim 1 wherein said distal portion of said catheter is curved and the cutting device is a needle knife.
Claim 9
Dependent Claim
92 words
In an endoscopic catheter having a distally located tissue cutting device in a first lumen thereof, the improvement for orienting the cutting device which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; said cable having a sliding member attached thereto distally of said fixed member; and reciprocation of said cable causing rotation of said sliding member and at least a distal portion of said catheter to orient said cutting device.
Claim 10
Dependent Claim
92 words
In an endoscopic catheter having a distally located tissue cutting device in a first lumen thereof, the improvement for orienting the cutting device which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; said cable having a sliding member attached thereto distally of said fixed member; and reciprocation of said cable causing rotation of said sliding member and at least a distal portion of said catheter to orient said cutting device.
Claim 11
Dependent Claim
13 words
Catheter of claim 8 wherein said second lumen is non-round in cross section.
Claim 12
Dependent Claim
13 words
Catheter of claim 8 wherein said second lumen is square in cross section.
Claim 13
Dependent Claim
13 words
Catheter of claim 10 where said sliding member is square in cross section.
Claim 14
Dependent Claim
15 words
Catheter of claim 8 wherein said cable has spiral threads on an outer circumference thereof.
Claim 15
Dependent Claim
17 words
Catheter of claim 12 wherein said fixed member includes a spiral thread on an inner circumference thereof.
Claim 16
Dependent Claim
21 words
Catheter of claim 8 wherein the distal portion of said catheter is curved and the cutting device is a needle knife.
Claim 17
Dependent Claim
11 words
Catheter of claim 8 wherein said cutting device is a sphincterotome.
Claim 18
Dependent Claim
11 words
Catheter of claim 8 wherein said cutting device is a papillotome.
Claim 19
Dependent Claim
73 words
Method for orientating a tissue cutting device located in a distal portion of a first lumen of an endoscopic catheter which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; and reciprocating said cable to cause rotation of at least a distal portion of said catheter thereby orienting said cutting device.
Claim 20
Dependent Claim
73 words
Method for orientating a tissue cutting device located in a distal portion of a first lumen of an endoscopic catheter which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; and reciprocating said cable to cause rotation of at least a distal portion of said catheter thereby orienting said cutting device.
Claim 21
Dependent Claim
15 words
Method of claim 17 wherein said cable has spiral threads on an outer circumference thereof.
Claim 22
Dependent Claim
18 words
The device of claim 18 wherein said fixed member includes a spiral thread on an inner circumference thereof.
Claim 23
Dependent Claim
11 words
Method of claim 17 wherein said cutting device is a sphincterotome.
Claim 24
Dependent Claim
11 words
Method of claim 17 wherein said cutting device is a papillotome.
Claim 25
Dependent Claim
18 words
Method of claim 17 wherein said cutting device operates in response to energy from an rf heating source.
Claim 26
Dependent Claim
21 words
Method of claim 17 wherein the distal portion of said catheter is curved and the cutting device is a needle knife.
Claim 27
Dependent Claim
90 words
Method for orientating a tissue cutting device located in a distal portion of a first lumen of an endoscopic catheter which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough and a sliding member attached to said cable distally of said fixed member; and reciprocating said cable to cause rotation of said sliding member and at least a distal portion of said catheter to orient said cutting device.
Claim 28
Dependent Claim
90 words
Method for orientating a tissue cutting device located in a distal portion of a first lumen of an endoscopic catheter which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough and a sliding member attached to said cable distally of said fixed member; and reciprocating said cable to cause rotation of said sliding member and at least a distal portion of said catheter to orient said cutting device.
Claim 29
Dependent Claim
13 words
Method of claim 24 wherein said second lumen is non-round in cross section.
Claim 30
Dependent Claim
13 words
Method of claim 25 wherein said second lumen is square in cross section.
Claim 31
Dependent Claim
13 words
Method of claim 25 wherein said sliding member is square in cross section.
Claim 32
Dependent Claim
15 words
Method of claim 24 wherein said cable has spiral threads on an outer circumference thereof.
Claim 33
Dependent Claim
17 words
Method of claim 28 wherein said fixed member includes a spiral thread on an inner circumference thereof.
Claim 34
Dependent Claim
21 words
Method of claim 24 wherein said distal portion of said catheter is curved and the cutting device is a needle knife.
Claim 35
Dependent Claim
59 words
In an endoscopic catheter having a cable actuated needle knife in a lumen thereof, said needle knife being deployable from a distal end of said catheter, the improvement for substantially preventing movement of said needle knife after deployment which comprises a distally positioned fixed stabilizing element in said lumen internally engaging said needle knife cable to prevent such movement.
Claim 36
Dependent Claim
59 words
In an endoscopic catheter having a cable actuated needle knife in a lumen thereof, said needle knife being deployable from a distal end of said catheter, the improvement for substantially preventing movement of said needle knife after deployment which comprises a distally positioned fixed stabilizing element in said lumen internally engaging said needle knife cable to prevent such movement.
Claim 37
Dependent Claim
18 words
Catheter of claim 31 wherein said needle knife cable includes a spiral thread on an outer circumference thereof.
Claim 38
Dependent Claim
18 words
Catheter of claim 32 wherein said fixed stabilizing element includes a spiral thread on an inner circumference thereof.
Claim 39
Dependent Claim
15 words
Catheter of claim 33 further comprising a pivot element included within said needle knife cable.
Claim 40
Dependent Claim
15 words
Catheter of claim 34 wherein said pivot element is proximal of said fixed stabilizing element.
Claim 41
Dependent Claim
18 words
Catheter of claim 35 wherein said needle knife cable includes a spiral thread on an outer circumference thereof.
Claim 42
Dependent Claim
18 words
Catheter of claim 36 wherein said fixed stabilizing element includes a spiral thread on an inner circumference thereof.
Claim 43
Dependent Claim
119 words
In an endoscopic catheter having a cable actuated needle knife in a first lumen thereof, said needle knife being deployable from a distal end of said catheter, the improvement for orienting the cutting device and for substantially preventing movement of said needle knife after deployment which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; reciprocation of said cable causing rotation of at least a distal portion of said catheter to orient said cutting device, and providing a distally positioned fixed stabilizing element in said first lumen internally engaging said needle knife cable to prevent such movement.
Claim 44
Dependent Claim
119 words
In an endoscopic catheter having a cable actuated needle knife in a first lumen thereof, said needle knife being deployable from a distal end of said catheter, the improvement for orienting the cutting device and for substantially preventing movement of said needle knife after deployment which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; reciprocation of said cable causing rotation of at least a distal portion of said catheter to orient said cutting device, and providing a distally positioned fixed stabilizing element in said first lumen internally engaging said needle knife cable to prevent such movement.
Claim 45
Dependent Claim
16 words
Catheter of claim 38 wherein said reciprocating cable has spiral threads on an outer circumference thereof.
Claim 46
Dependent Claim
17 words
Catheter of claim 39 wherein said fixed member includes a spiral thread on an inner circumference thereof.
Claim 47
Dependent Claim
18 words
Catheter of claim 38 wherein said needle knife operates in response to energy from an rf heating source.
Claim 48
Dependent Claim
13 words
Catheter of claim 38 wherein said distal portion of said catheter is curved.
Claim 49
Dependent Claim
18 words
Catheter of claim 38 wherein said needle knife cable includes a spiral thread on an outer circumference thereof.
Claim 50
Dependent Claim
18 words
Catheter of claim 43 wherein said fixed stabilizing element includes a spiral thread on an inner circumference thereof.
Claim 51
Dependent Claim
15 words
Catheter of claim 38 further comprising a pivot element included within said needle knife cable.
Claim 52
Dependent Claim
14 words
Catheter of claim 45 wherein said pivot element is proximal of said stabilizing element.
Claim 53
Dependent Claim
18 words
Catheter of claim 46 wherein said needle knife cable includes a spiral thread on an outer circumference thereof.
Claim 54
Dependent Claim
18 words
Catheter of claim 47 wherein said fixed stabilizing element includes a spiral thread on an inner circumference thereof.
Claim 55
Dependent Claim
136 words
In an endoscopic catheter having a cable actuated needle knife in a first lumen thereof, said needle knife being deployable from a distal end of said catheter, the improvement for orienting the cutting device and for substantially preventing movement of said needle knife after deployment which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; said cable having a sliding member attached thereto distally of said fixed member; reciprocation of said cable causing rotation of said sliding member and at least a distal portion of said catheter to orient said cutting device, and providing a distally positioned fixed stabilizing element in said first lumen internally engaging said needle knife cable to prevent such movement.
Claim 56
Dependent Claim
136 words
In an endoscopic catheter having a cable actuated needle knife in a first lumen thereof, said needle knife being deployable from a distal end of said catheter, the improvement for orienting the cutting device and for substantially preventing movement of said needle knife after deployment which comprises: providing said catheter with a second lumen having a reciprocating cable therein, said second lumen having a fixed member therein for imparting rotary motion to said cable when reciprocated therethrough; said cable having a sliding member attached thereto distally of said fixed member; reciprocation of said cable causing rotation of said sliding member and at least a distal portion of said catheter to orient said cutting device, and providing a distally positioned fixed stabilizing element in said first lumen internally engaging said needle knife cable to prevent such movement.
Claim 57
Dependent Claim
13 words
Catheter of claim 49 wherein said second lumen is non-round in cross section.
Claim 58
Dependent Claim
13 words
Catheter of claim 50 wherein said second lumen is square in cross section.
Claim 59
Dependent Claim
13 words
Catheter of claim 51 wherein said sliding member is square in cross section.
Claim 60
Dependent Claim
15 words
Catheter of claim 49 wherein said cable has spiral threads on an outer circumference thereof.
Claim 61
Dependent Claim
17 words
Catheter of claim 53 wherein said fixed member includes a spiral thread on an inner circumference thereof.
Claim 62
Dependent Claim
18 words
Catheter of claim 49 wherein said needle knife operates in response to energy from an rf heating source.
Claim 63
Dependent Claim
14 words
Catheter of claim 49 wherein said distal portion of said needle knife is curved.
Claim 64
Dependent Claim
18 words
Catheter of claim 49 wherein said needle knife cable includes a spiral thread on an outer circumference thereof.
Claim 65
Dependent Claim
18 words
Catheter of claim 57 wherein said fixed stabilizing element includes a spiral thread on an inner circumference thereof.
Claim 66
Dependent Claim
15 words
Catheter of claim 49 further comprising a pivot element included within said needle knife cable.
Claim 67
Dependent Claim
15 words
Catheter of claim 59 wherein said pivot element is proximal of said fixed stabilizing element.
Claim 68
Dependent Claim
18 words
Catheter of claim 60 wherein said needle knife cable includes a spiral thread on an outer circumference thereof.
Claim 69
Dependent Claim
18 words
Catheter of claim 61 wherein said fixed stabilizing element includes a spiral thread on an inner circumference thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2006-06-16 | 2006-12-16 | 2007-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-06-16 | 2010-12-16 | 2011-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-06-16 | 2014-12-16 | 2015-06-17 | $7700.00 | Window Closed / Lapsed |