US6106532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for retrieval of defect closure devices
Assignee: Nissho Corp
•
Filing: 1999-04-06
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Granted: 2000-08-22
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Expires: 2019-04-06
Abstract
Abstract A device for retrieval of defect closure devices, comprising a closure-catch catheter having at a distal end thereof a closure-catching device and at a proximal end thereof, a grip for operating the closure-catching. An elongated sheath having a lumen and is provided at the proximal end thereof with a lateral injection tube and hemostatic device. The catheter is moveably insertable in the lumen.
Inventors
- 👤 Kazuyuki Koike, deceased
- 👤 Toshiki Kobayashi
- 👤 Katsuya Miyagawa
- 👤 Yoshikazu Kishigami
- 👤 Toshihiro Kikuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:31
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/0057
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
65 words
A device for retrieval of closure devices comprising: a closure-catch catheter having closure-catching means at a distal end thereof for catching a closure device, the closure-catch catheter further having a grip at a proximal end thereof, the grip operating the closure-catching means and the closure-catching means having an arrowhead shape; and an elongated sheath having a lumen, the catheter being moveably insertable in the lumen.
Claim 2
Independent Claim
65 words
A device for retrieval of closure devices comprising: a closure-catch catheter having closure-catching means at a distal end thereof for catching a closure device, the closure-catch catheter further having a grip at a proximal end thereof, the grip operating the closure-catching means and the closure-catching means having an arrowhead shape; and an elongated sheath having a lumen, the catheter being moveably insertable in the lumen.
Claim 3
Dependent Claim
23 words
The device according to claim 1, further comprising a lateral injection tube and a hemostatic device at a proximal end of the sheath.
Claim 4
Dependent Claim
17 words
The device according to claim 2, wherein the hemostatic device is one of a packing and O-ring.
Claim 5
Dependent Claim
17 words
The device according to claim 1, wherein the grip is a finger grip for manipulating the catheter.
Claim 6
Dependent Claim
49 words
The device according to claim 1, wherein the closure-catch catheter comprises an elongated stem portion having a diameter slightly smaller than that of the lumen of the elongated sheath to allow the catheter to be pulled in the sheath smoothly without hooking on the distal end of the sheath.
Claim 7
Dependent Claim
14 words
The device according to claim 1, wherein the closure-catch catheter has an arrowhead shape.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-08-22 | 2004-02-21 | 2004-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-08-22 | 2008-02-21 | 2008-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-08-22 | 2012-02-21 | 2012-08-22 | $7700.00 | Window Closed / Lapsed |