US5385562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide catheter system for an angioplasty balloon catheter
Assignee: Boston Scientific Scimed Inc
•
Filing: 1993-01-19
•
Granted: 1995-01-31
•
Expires: 2013-01-19
Abstract
Abstract The present invention relates to a guide catheter system for guiding an angioplasty balloon catheter into a patient's vascular system. The guide catheter system includes a guide catheter and a distal guide catheter extension tube. The guide catheter constitutes an elongated tube, while the guide catheter extension constitutes a distal, smaller diameter extension for the guide catheter. The guide catheter extension is adapted to extend from the guide catheter to an extent possibly sufficient to reach the stenosis in a coronary artery. A fixed wire angioplasty balloon catheter is advanced through the guide catheter and guide catheter extension to the stenosis for treatment thereof. Efficient and easy exchange of the balloon catheter is achieved because the guide catheter extension remains in place when the balloon catheter is withdrawn proximally, so that a path remains to guide another balloon catheter to the stenosis for treatment thereof.
Inventors
- 👤 Daniel O. Adams
- 👤 William H. Penny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:53
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/0169; A61M25/06; A61M25/0662; A61M2025/0004; A61M25/0043; A61M25/0045; A61M2025/0046; A61M2025/0047; A61M2025/0183; A61M29/00; A61M29/02; A61M2029/025; A61M25/10; A61M25/104
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
133 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a flexible tube comprising a coil spring mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 2
Dependent Claim
133 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a flexible tube comprising a coil spring mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 3
Dependent Claim
20 words
The guide catheter system of claim 1 wherein the coil spring has a plastic sheath on an outer surface thereof.
Claim 4
Dependent Claim
24 words
The guide catheter system of claim 2 wherein the plastic sheath is formed of a plastic tube which is shrunk onto the coil spring.
Claim 5
Dependent Claim
142 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a flexible plastic tube mounted to the distal end of the shaft and having reinforcement means within the tube for stiffening the tube, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 6
Dependent Claim
142 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a flexible plastic tube mounted to the distal end of the shaft and having reinforcement means within the tube for stiffening the tube, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 7
Dependent Claim
131 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a tapered flexible tube mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 8
Dependent Claim
131 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a tapered flexible tube mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 9
Dependent Claim
131 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated wire shaft having a distal end and a proximal end; and a flexible tube mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 10
Dependent Claim
131 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated wire shaft having a distal end and a proximal end; and a flexible tube mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 11
Dependent Claim
140 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a flexible tube mounted to the distal end of the shaft and having a proximal end with a larger diameter portion, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 12
Dependent Claim
140 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a flexible tube mounted to the distal end of the shaft and having a proximal end with a larger diameter portion, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough.
Claim 13
Dependent Claim
288 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end and a proximally placed inlet port adapted for connection to inflation means, a distally placed outlet port and a lumen therethrough; and a flexible tube mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough; and an expandable restriction balloon surrounding a proximal end of the flexible tube of the guide catheter extension and in fluid communication with the shaft outlet port, the balloon being sized to inflate to frictionally engage an inner surface of the guide catheter when the proximal end of the tubular extension is aligned with the distal end of the guide catheter whereby, inflation medium is introduced into the shaft inlet port, through the shaft lumen and out the outlet port to inflate the balloon so that it exerts a restrictive force against the inner surface of the guide catheter to restrict the longitudinal movement of the guide catheter extension within the guide catheter, and the restriction balloon is collapsed to permit the continued adjustment of the relative position of the guide catheter extension within the guide catheter.
Claim 14
Dependent Claim
288 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end and a proximally placed inlet port adapted for connection to inflation means, a distally placed outlet port and a lumen therethrough; and a flexible tube mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough; and an expandable restriction balloon surrounding a proximal end of the flexible tube of the guide catheter extension and in fluid communication with the shaft outlet port, the balloon being sized to inflate to frictionally engage an inner surface of the guide catheter when the proximal end of the tubular extension is aligned with the distal end of the guide catheter whereby, inflation medium is introduced into the shaft inlet port, through the shaft lumen and out the outlet port to inflate the balloon so that it exerts a restrictive force against the inner surface of the guide catheter to restrict the longitudinal movement of the guide catheter extension within the guide catheter, and the restriction balloon is collapsed to permit the continued adjustment of the relative position of the guide catheter extension within the guide catheter.
Claim 15
Dependent Claim
147 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a flexible tube mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough; and means for locking the flexible tube of the guide catheter extension relative to the guide catheter.
Claim 16
Dependent Claim
147 words
A guide catheter system for guiding a balloon catheter, the guide catheter system comprising: a guide catheter having a proximal end and a distal end and defining a first guide lumen through which the balloon catheter is guided; and a guide catheter extension having a length greater than the guide catheter to provide a second guide lumen extending beyond the distal end of the guide catheter, the guide catheter extension comprising: an elongated shaft having a distal end and a proximal end; and a flexible tube mounted to the distal end of the shaft, the tube having an outer diameter less than the diameter of the guide catheter and the tube defining the second guide lumen with an inner diameter sufficiently large to permit passage of the balloon catheter therethrough; and means for locking the flexible tube of the guide catheter extension relative to the guide catheter.
References Cited (Backward Citations)
CA628292A
Cited
US3262449A
Cited
US3297030A
Cited
US3559643A
Cited
US3550591A
Cited
US3682173A
Cited
US3877429A
Cited
US4187848A
Cited
EP0002607A1
Cited
US4354491A
Cited
US4449532A
Cited
US4581019A
Cited
US4412832A
Cited
US4345596A
Cited
US4581017A
Cited
US4581017B1
Cited
US4616652A
Cited
US4581025A
Cited
US4687469A
Cited
US4619644A
Cited
US4976689A
Cited
US4944740A
Cited
US4631059A
Cited
US4747833A
Cited
US4801294A
Cited
EP0231601A2
Cited
US4696667A
Cited
US4726369A
Cited
US4723948A
Cited
EP0277366A1
Cited
US4771777A
Cited
US4748982A
Cited
US4988356A
Cited
EP0282143B1
Cited
US4858810A
Cited
US4905667A
Cited
US4969890A
Cited
US4827941A
Cited
US5267982A
Cited
US4929236A
Cited
US4994027A
Cited
US4909258A
Cited
US4998923A
Cited
US5035686A
Cited
US4947864A
Cited
US4932413A
Cited
EP0397357A1
Cited
US5120323A
Cited
US5104388A
Cited
US5290247A
Cited
US5135535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-01-30 | 1998-08-01 | 1999-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-01-30 | 2002-08-01 | 2003-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-01-30 | 2006-08-01 | 2007-01-31 | $7700.00 | Window Closed / Lapsed |