US5312338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotation tool for medical guidewire
Assignee: Merit Medical Systems Inc
•
Filing: 1993-03-11
•
Granted: 1994-05-17
•
Expires: 2013-03-11
Abstract
Abstract A gripping-knob rotation tool for attachment to a medical guidewire as used in angioplasty and other medical procedures. The tool is installed laterally over the guidewire at any desired position along the length of the wire, and is secured thereto by a simple rotational or twisting motion. The tool provides a convenient gripping surface during rotation or translational movement of the guidewire, and is adjustable for repositioning along the length of the wire after initial engagement.
Inventors
- 👤 Arlin D. Nelson
- 👤 Fred P. Lampropoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:46
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/22; A61M; A61M25/00; A61M25/01; A61M25/09; A61M25/09041; A61B2017/0046; A61B2017/00469; A61B2017/22038; A61M2025/09116
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
268 words
A device for selective attachment to or detachment from a catheter guidewire or the like, and for selectively gripping the guidewire when attached to permit either longitudinal or rotational manipulation of the guidewire for purposes of steering the guidewire through a vessel, comprising: a tubular housing means for receiving and retaining the guidewire comprising a longitudinal passageway therethrough and a radial slot extending from an outer surface to the passageway along the full length of said housing means, and further comprising first and second rotatably connected members which are rotatably operative such that when the members are rotated into a first position of alignment relative to each other the guidewire is adapted to be inserted into the passageway by slipping the guidewire through the slot, and such that when the members are rotated into a second position of alignment relative to each other the guidewire is secured both longitudinally and rotationally relative to the housing means; retention and gripping means situated within said passageway and having one end anchored in the first member and another end anchored in the second member such that said retention and gripping means will urge and hold the first and second members together under compressive force, and said retention and gripping means securing the guidewire both longitudinally and rotationally relative to said housing means when the members are rotated into the second position; means for irreversibly securing the first and second rotatable members together; and stop means for aligning said first and second members at said first position and for limiting rotation of the members to a single direction relative to one another.
Claim 2
Independent Claim
268 words
A device for selective attachment to or detachment from a catheter guidewire or the like, and for selectively gripping the guidewire when attached to permit either longitudinal or rotational manipulation of the guidewire for purposes of steering the guidewire through a vessel, comprising: a tubular housing means for receiving and retaining the guidewire comprising a longitudinal passageway therethrough and a radial slot extending from an outer surface to the passageway along the full length of said housing means, and further comprising first and second rotatably connected members which are rotatably operative such that when the members are rotated into a first position of alignment relative to each other the guidewire is adapted to be inserted into the passageway by slipping the guidewire through the slot, and such that when the members are rotated into a second position of alignment relative to each other the guidewire is secured both longitudinally and rotationally relative to the housing means; retention and gripping means situated within said passageway and having one end anchored in the first member and another end anchored in the second member such that said retention and gripping means will urge and hold the first and second members together under compressive force, and said retention and gripping means securing the guidewire both longitudinally and rotationally relative to said housing means when the members are rotated into the second position; means for irreversibly securing the first and second rotatable members together; and stop means for aligning said first and second members at said first position and for limiting rotation of the members to a single direction relative to one another.
Claim 3
Dependent Claim
35 words
A device as defined in claim 1 wherein said securing means comprises a groove formed on one rotatable member and a retention pin inserted through the other rotatable member so as to engage the groove.
Claim 4
Dependent Claim
35 words
A device as defined in claim 1 wherein said securing means comprises a groove formed on one rotatable member and a snap ring formed on the other rotatable member, the snap ring engaging the groove.
Claim 5
Dependent Claim
29 words
A device as defined in claim 1 or 3 wherein said housing means comprises first locking means for releasably securing the first and second members in the second position.
Claim 6
Dependent Claim
71 words
A device as defined in claim 3 wherein said members are operative so as to be rotated into a third position of alignment relative to each other such that the housing means is locked onto the guidewire but the housing means is not secured longitudinally and rotationally to the guidewire, and wherein said housing means comprises second locking means for releasably securing the first and second members in the third position.
Claim 7
Dependent Claim
23 words
A device as defined in claim 5 wherein said second locking means is disposed intermediate the stop means and the first locking means.
Claim 8
Dependent Claim
72 words
A device as defined in claim 1 wherein said first and second members comprise, respectively, first and second tubular members which are telescoped together, and wherein the longitudinal passageway is comprised of first and second passageways formed through each respective tubular member, and wherein the radial slot is comprised of first and second radial slots extending from an outer surface of the respective tubular member to the corresponding first and second passageways.
Claim 9
Dependent Claim
84 words
A device as defined in claim 7 wherein said retention and gripping means comprises an elastomeric member having first and second ends and an elongated body member, and wherein a first end of the elastomer member is anchored in an end of the first passageway in the first tubular member, the second end of the elastomeric member is anchored in an end of the second passageway in the second tubular member, and the body member is situated in the first and second passageways therebetween.
Claim 10
Dependent Claim
79 words
A device as defined in claim 8 wherein said housing means comprises means for twisting the body member as the first and second ends of the elastomeric member are rotated relative to one another by rotating said first and second tubular members into the second position, such that the body member is twisted about the guidewire so as to frictionally engage and secure the guidewire against longitudinal and rotational movement relative to the housing means, without bending the guidewire.
Claim 11
Dependent Claim
25 words
A device as defined in claim 9 wherein said housing means comprises stop means for aligning said first and second members at said first position.
Claim 12
Dependent Claim
27 words
A device as defined in claim 10 wherein said housing means comprises first locking means for releasably securing the first and second members in the second position.
Claim 13
Dependent Claim
71 words
A device as defined in claim 11 wherein said members are operative so as to be rotated into a third position of alignment relative to each other such that the housing means is locked onto the guidewire but the housing means is not secured longitudinally and rotationally to the guidewire, and wherein said housing means comprises second locking means for releasably securing the first and second members in the third position.
Claim 14
Dependent Claim
23 words
A device as defined in claim 12 wherein said second locking means is disposed intermediate the stop means and the first locking means.
Claim 15
Dependent Claim
31 words
A device as defined in claim 1 further comprising an indicator means for providing visual verification of when said first and second members are rotated to the second position of alignment.
Claim 16
Dependent Claim
40 words
A device as defined in claim 13 further comprising first and second indicator means for providing visual verification of when said first and second members are rotated to the second and third positions of alignment, respectively, relative to one another.
Claim 17
Independent Claim
33 words
A device as defined in claims or 14 further comprising rotational indicator means for providing visual direction as to the direction of rotation of said first and second members relative to one another.
References Cited (Backward Citations)
US4210863A
Cited
US4726369A
Cited
US4784612A
Cited
US4858810A
Cited
US4799496A
Cited
US4829999A
Cited
US4957117A
Cited
US5137517A
Cited
US5137288A
Cited
US5161534A
Cited
US5159861A
Cited
US5219332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-05-16 | 1997-11-15 | 1998-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-16 | 2001-11-15 | 2002-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-16 | 2005-11-15 | 2006-05-17 | $7700.00 | Window Closed / Lapsed |