Patent US2851879A successfully refreshed from Google Patents.
Patent EP0370733A2 successfully refreshed from Google Patents.
EP0370733A2
Expired / Lapsed
EP
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Bendable trocar
Assignee: Johnson and Johnson Professional Inc
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Filing: 1989-11-20
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Granted: —
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Expires: 2009-11-20
Abstract
Abstract A trocar, used to introduce wound drain catheters is disclosed. The trocar have a reduce cross sectional area that allows the trocar to be bent by the user to a desired configuration.
Inventors
- 👤 Cecil Harridell Broadnax, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34; A61B17/3417; A61B17/3415
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
68 words
A trocar capable of being shaped by the user comprising a rigid shaft having a cutting edge on one end, means to attach a flexible tubing to the opposite end of the shaft, said shaft having a reduced cross section to allow the shaft to be bent by the user to an appropriate angle to allow the user to manipulate the trocar through the skin of a patient.
Claim 2
Dependent Claim
68 words
A trocar capable of being shaped by the user comprising a rigid shaft having a cutting edge on one end, means to attach a flexible tubing to the opposite end of the shaft, said shaft having a reduced cross section to allow the shaft to be bent by the user to an appropriate angle to allow the user to manipulate the trocar through the skin of a patient.
Claim 3
Dependent Claim
12 words
The trocar according to claim 1 in which the shaft is circular.
Claim 4
Dependent Claim
28 words
The trocar of claim 1 or claim 2 in which the reduced cross section is at a location between the midpoint of the shaft and its cutting edge.
Claim 5
Dependent Claim
16 words
The trocar according to any preceding claim in which the shaft is made of stainless steel.
Claim 6
Dependent Claim
25 words
The trocar according to any preceding claim in which the reduced cross section is between 8% and 20% of the unreduced diameter of the shaft.
Claim 7
Dependent Claim
23 words
The trocar of any preceding claim in which there is a taper at each end of the reduced cross section of the shaft.
References Cited (Backward Citations)
No citation records indexed.
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