Patent US2950567A successfully refreshed from Google Patents.
EP0229620A2
Expired / Lapsed
EP
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Transluminal microdissection device
Assignee: Boston Scientific Corp Northwest Technology Center Inc
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Filing: 1987-01-05
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Granted: —
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Expires: 2007-01-05
Abstract
Abstract An abrasive tipped rotating cutting tool (10) for use in removing abnormal deposits within a patient's vessels is described. The tip (12) is preferably covered with a material such as diamond grit, and rotated at high speed to pulverize any abnormal deposits contained within the vessel.
Inventors
- 👤 David Christopher Auth
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 00:33
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3205; A61B17/3207; A61B17/320758; A61B17/22; A61B17/22031; A61B2017/320004
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
55 words
A transluminal microdissection device comprising: a) a flexible drive shaft having a rotatable cutting tip attached thereto, said tip having a diameter which is greater than that of said drive shaft; and b) an abrasive surface on said tip, said abrasive surface being comprised of an abrasive material attached to the surface of said tip.
Claim 2
Dependent Claim
55 words
A transluminal microdissection device comprising: a) a flexible drive shaft having a rotatable cutting tip attached thereto, said tip having a diameter which is greater than that of said drive shaft; and b) an abrasive surface on said tip, said abrasive surface being comprised of an abrasive material attached to the surface of said tip.
Claim 3
Dependent Claim
25 words
The transluminal microdissection device of Claim 1 wherein said drive shaft and said tip are hollow, whereby they may be guided along a guide wire.
Claim 4
Dependent Claim
41 words
The transluminal microdissection device of Claim 1 or 2 further comprising a rotatable prime mover which is capable of rotating said drive shaft at a rotation rate of from about 20,000 revolutions per minute to at least 155,00 revolutions per minute.
Claim 5
Dependent Claim
42 words
The transluminal microdissection device of Claims 1 to 3 further comprising a tubular sheath which surrounds said flexible drive shaft and chamber means for sealably attaching to said tubular sheath, said chamber means including a seal through which said drive shaft passes.
Claim 6
Dependent Claim
32 words
The transluminal microdissection device of Claims 1 to 4 further comprising a port which extends into said chamber means whereby the lumen formed between said drive shaft is accessible through said port.
References Cited (Backward Citations)
US4207874A
Cited
US4445509A
Cited
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