Patent US2524661A successfully refreshed from Google Patents.
US5368557A
Expired / Lapsed
US
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Ultrasonic ablation catheter device having multiple ultrasound transmission members
Assignee: Abbott Cardiovascular Systems Inc
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Filing: 1993-05-05
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Granted: 1994-11-29
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Expires: 2013-05-05
Abstract
Abstract An ultrasound catheter device for transmitting ultrasound into a mammalian body comprising an elongate catheter body having at least one lumen extending longitudinally therethrough. Also extending longitudinally through the lumen are at least two ultrasound transmission members, each of which have a proximal end coupleable to an external ultrasound source and a distal end which terminates near the distal end of the catheter.
Inventors
- 👤 Henry Nita
- 👤 Timothy C. Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:57
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/22; A61B17/22004; A61B17/22012; A61B2017/00831; A61B2017/0084; A61B2017/00849; A61B2017/22014; A61B2017/22015; A61B2017/22018; A61B2017/22038; A61B2017/22039; A61B2017/22041; A61B17/32; A61B17/320068; A61B2017/320072; A61B2017/320073; A61B2017/320088; A61B18/00; A61B2018/00005; A61B2018/00011; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2002/30001; A61F2002/30003; A61F2002/3006; A61F2002/30092; A61F2210/00; A61F2210/0014; A61F2210/0023; A61F2210/0042; A61M; A61M25/00; A61M25/01; A61M2025/0183
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
156 words
An ultrasound catheter device for transmitting ultrasound into a mammalian body, said device comprising: a) an elongate flexible catheter body having a proximal end, a distal end, and at least one lumen extending longitudinally therethrough; b) at least two ultrasound transmission members extending longitudinally through said at least one lumen, each of said ultrasound transmission members having a proximal end coupled to an external ultrasound source and a distal end which terminates near the distal end of said catheter; c) said at least two ultrasound transmission members being configured and constructed to simultaneously transmit ultrasound energy to the distal end of said catheter body; and d) a distal head member attached to the distal end of said catheter body and coupled to the distal ends of said at least two ultrasound transmission members such that said distal head member will vibrate in accordance with ultrasound being simultaneously transmitted through said at least two ultrasound transmission members.
Claim 2
Dependent Claim
156 words
An ultrasound catheter device for transmitting ultrasound into a mammalian body, said device comprising: a) an elongate flexible catheter body having a proximal end, a distal end, and at least one lumen extending longitudinally therethrough; b) at least two ultrasound transmission members extending longitudinally through said at least one lumen, each of said ultrasound transmission members having a proximal end coupled to an external ultrasound source and a distal end which terminates near the distal end of said catheter; c) said at least two ultrasound transmission members being configured and constructed to simultaneously transmit ultrasound energy to the distal end of said catheter body; and d) a distal head member attached to the distal end of said catheter body and coupled to the distal ends of said at least two ultrasound transmission members such that said distal head member will vibrate in accordance with ultrasound being simultaneously transmitted through said at least two ultrasound transmission members.
Claim 3
Dependent Claim
23 words
The device of claim 1 wherein said distal head member comprises a plug member inserted into the distal end of said catheter body.
Claim 4
Dependent Claim
43 words
The device of claim 2 wherein said distal head member further comprises at least one fluid passage aperture extending longitudinally through said distal head member to permit fluid to flow out of the lumen of said catheter body through said distal head member.
Claim 5
Dependent Claim
30 words
The device of claim 1 wherein said distal head member further comprises a guidewire passage aperture extending longitudinally through said distal head member to permit passage of a guidewire therethrough.
Claim 6
Dependent Claim
81 words
The device of claim 4 further comprising: a sidewall guidewire passage aperture formed in the sidewall of said catheter body; and a tubular guidewire lumen member extending between said sidewall guidewire passage aperture formed in the sidewall of said catheter body and said guidewire passage aperture formed in said distal head; said sidewall guidewire passage aperture, said tubular guidewire lumen and said distal head guidewire passage aperture thereby combining to form a guidewire passageway through which a guidewire may be passed.
Claim 7
Dependent Claim
21 words
The device of claim 1 wherein said at least two ultrasound transmission members comprise first, second and third ultrasound transmission members.
Claim 8
Dependent Claim
16 words
The device of claim 1 wherein said ultrasound transmission members are formed of superelastic metal alloy.
Claim 9
Dependent Claim
12 words
The device of claim 7 wherein said superelastic metal alloy is NiTi.
Claim 10
Dependent Claim
41 words
The device of claim 1 further comprising: a guidewire passage lumen having a proximal end and a distal end, said guidewire passage lumen extending through at least a portion of said catheter body to permit a guidewire to be passed therethrough.
Claim 11
Dependent Claim
42 words
The device of claim 1 wherein said at least two ultrasound transmission members are combined at their proximal ends to form a substantially unitary proximal end portion to facilitate coupling or attachment of said proximal end portion to an ultrasound energy source.
Claim 12
Dependent Claim
27 words
The device of claim 10 wherein said at least two ultrasound transmission members are fused at their proximal ends to form said substantially unitary proximal end portion.
Claim 13
Dependent Claim
31 words
The device of claim 10 wherein the proximal ends of said at least two ultrasound transmission members are surrounded by a sleeve member to form said substantially unitary proximal end portion.
Claim 14
Dependent Claim
27 words
The device of claim 10 wherein the proximal ends of said at least two ultrasound transmission members are entertwined to form said substantially unitary proximal end portion.
Claim 15
Dependent Claim
68 words
The device of claim 7 wherein said superelastic metal alloy is selected from the group of metal alloys consisting of: metal alloys formed by the combination of at least two metal elements, said metal elements being combined in relative amounts which result in said metal alloy having an ultimate tinsel strength at 20° C. of approximately 1150 Mpa and a super elastic temperature range of approximately 20°-80° C.
Claim 16
Dependent Claim
31 words
The device of claim 14 wherein said relative amounts of said metal elements are further such that said alloy exhibits an unloading plateau stress at 20° C. of approximately 135 Mpa.
Claim 17
Dependent Claim
34 words
The device of claim 14 wherein said relative amounts of said metal elements are further such that said alloy exhibits a permanent set at 20° C. after 8 percent strain of approximately 0.2 percent.
Claim 18
Dependent Claim
28 words
The device of claim 14 wherein said relative amounts of said metal elements are further such that said alloy exhibits an elongation at failure of approximately 10.0 percent.
Claim 19
Dependent Claim
27 words
The device of claim 14 wherein said relative amounts of said metal elements are further such that said alloy exhibits a melting point of approximately 1350° C.
Claim 20
Dependent Claim
26 words
The device of claim 14 wherein said relative amounts of said metal elements are further such that said alloy has a density of approximately 6.5 g/cm.
Claim 21
Dependent Claim
132 words
The device of claim 1 wherein sufficient space exists within said at least one lumen to permit a liquid to flow through said at least one lumen and around said at least two ultrasound transmission members to effect temperature control of said ultrasound transmission members; and wherein said device further comprises: e) a liquid inlet opening formed into said at least one lumen near the proximal end of said catheter body; and f) at least one liquid outlet opening formed into said at least one lumen near the distal end of said catheter body; g) a temperature control liquid being thereby infusable into said inlet opening, through said lumen and out of said outlet opening(s) to effect temperature control of said at least one ultrasound transmission member during operation of said device.
Claim 22
Dependent Claim
143 words
An ultrasound catheter device for transmitting ultrasound into a mammalian body, said device comprising: a) an elongate flexible catheter body having a proximal end, a distal end, and at least one lumen extending longitudinally therethrough; b) at least two ultrasound transmission members extending longitudinally through said at least one lumen, each of said ultrasound transmission members having a proximal end coupled to an external ultrasound source and a distal end which terminates near the distal end of said catheter; and c) said at least two ultrasound transmission members being configured and constructed to simultaneously transmit ultrasound energy to the distal end of said catheter body; d) wherein said at least two ultrasound transmission members are combined at their proximal ends to form a substantially unitary proximal end portion to facilitate coupling or attachment of said proximal end portion to an ultrasound energy source.
Claim 23
Dependent Claim
143 words
An ultrasound catheter device for transmitting ultrasound into a mammalian body, said device comprising: a) an elongate flexible catheter body having a proximal end, a distal end, and at least one lumen extending longitudinally therethrough; b) at least two ultrasound transmission members extending longitudinally through said at least one lumen, each of said ultrasound transmission members having a proximal end coupled to an external ultrasound source and a distal end which terminates near the distal end of said catheter; and c) said at least two ultrasound transmission members being configured and constructed to simultaneously transmit ultrasound energy to the distal end of said catheter body; d) wherein said at least two ultrasound transmission members are combined at their proximal ends to form a substantially unitary proximal end portion to facilitate coupling or attachment of said proximal end portion to an ultrasound energy source.
Claim 24
Dependent Claim
27 words
The device of claim 21 wherein said at least two ultrasound transmission members are fused at their proximal ends to form said substantially unitary proximal end portion.
Claim 25
Dependent Claim
31 words
The device of claim 21 wherein the proximal ends of said at least two ultrasound transmission members are surrounded by a sleeve member to form said substantially unitary proximal end portion.
Claim 26
Dependent Claim
27 words
The device of claim 21 wherein the proximal ends of said at least two ultrasound transmission members are entertwined to form said substantially unitary proximal end portion.
References Cited (Backward Citations)
US3433226A
Cited
US3352303A
Cited
US3526219A
Cited
US3589363A
Cited
US3565062A
Cited
US3618594A
Cited
US3823717A
Cited
US3861391A
Cited
US3896811A
Cited
DE2453126A1
Cited
DE2349120A1
Cited
US4188952A
Cited
DE2453058A1
Cited
DE2541919A1
Cited
DE2703486A1
Cited
US4223676A
Cited
FR2424733A1
Cited
US4214586A
Cited
US4366819A
Cited
US4800876A
Cited
US4800876B1
Cited
US4431006A
Cited
US4898565A
Cited
US4587958A
Cited
US4665906A
Cited
US4692139A
Cited
US4979939A
Cited
US4587972A
Cited
US4960411A
Cited
US4589419A
Cited
EP0189329A2
Cited
EP0208175A2
Cited
US4750902A
Cited
WO1987001276A1
Cited
US4957111A
Cited
EP0234951A1
Cited
US4794931A
Cited
DE3707567A1
Cited
WO1987005793A1
Cited
US4821731A
Cited
US4867141A
Cited
US4808153A
Cited
US5058570A
Cited
EP0293472A1
Cited
US4988356A
Cited
DE3706921A1
Cited
US4967753A
Cited
US4967653A
Cited
US4841977A
Cited
US4799496A
Cited
GB2208138A
Cited
DE3826414A1
Cited
EP0315290A1
Cited
US4917097A
Cited
GB2212267A
Cited
US4870953A
Cited
WO1989005123A1
Cited
WO1989006515A1
Cited
WO1989007419A1
Cited
US4844092A
Cited
DE3812836A1
Cited
US4924863A
Cited
EP0347098A2
Cited
WO1990001300A1
Cited
US4920954A
Cited
US4919133A
Cited
WO1990007383A1
Cited
FR2641693A3
Cited
US5061238A
Cited
US4936281A
Cited
WO1991002489A1
Cited
US5076276A
Cited
EP0443256A1
Cited
US5069664A
Cited
WO1991014401A1
Cited
EP0472368A2
Cited
US5100423A
Cited
US5267954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-11-28 | 1998-05-30 | 1998-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-11-28 | 2002-05-30 | 2002-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-11-28 | 2006-05-30 | 2006-11-29 | $7700.00 | Window Closed / Lapsed |