EP0312219B1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Trocar assembly
Assignee: United States Surgical Corp
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Filing: 1988-09-27
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Granted: 1994-12-14
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Expires: 2008-09-27
Abstract
Abstract A trocar assembly (2) includes a hand grip (4) and a trocar obturator (6). The trocar obturator includes a front end on which is mounted a piercing tip (8), and an opposite rear end. The trocar obturator is mounted on the hand grip at its rear end, and is adapted to rotate independently of the hand grip. A retaining head (16) is mounted on the rear end of the obturator, and is rotatably but securely received by a socket (18) formed in the hand grip.
Inventors
- 👤 Jack R. Lander
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 11:40
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
103 words
A trocar assembly (2), which comprises: a hand grip portion (4); and a trocar obturator (6) having a front end and a rear end opposite the front end, and including a piercing tip (8) mounted on the front end thereof, the trocar obturator (6) being mounted on the hand grip portion at the rear end of the obturator; the assembly being characterised in that: the piercing tip (8) of the obturator (6) is so mounted to the hand grip portion (4) as to provide free rotation of the tip (8) relative to the hand grip portion (4) in surgical use of the assembly.
Claim 2
Dependent Claim
28 words
A trocar assembly as claimed in Claim 1 and including means for mounting the obturator (6) to the hand grip portion (4) thereby to provide said free rotation.
Claim 3
Dependent Claim
46 words
A trocar assembly as defined by Claim 2, wherein the obturator mounting means includes a retaining head (16) mounted on the rear end of the obturator (6); the retaining head (16) being rotatably and securely mounted in a socket (18) formed in the hand grip portion.
Claim 4
Dependent Claim
20 words
A trocar assembly (2) as defined by Claim 3, wherein the retaining head (16) is disposed co-axially to the obturator.
Claim 5
Dependent Claim
51 words
A trocar assembly (2) as defined in Claim 4, wherein the retaining head (16) includes a frusto-conically shaped end portion (22), the socket (18) of the hand grip portion (4) having a shape conforming to that of the retaining head end portion (22) to closely receive and retain the end portion.
Claim 6
Dependent Claim
33 words
A trocar assembly (2) as defined by Claim 5, wherein the frusto-conically shaped end portion (22) has a cross-section which widens in a direction outwardly from the rear end of the obturator (6).
Claim 7
Dependent Claim
84 words
A trocar assembly (2) as defined by Claim 4, wherein the retaining head (16) includes a shank portion (20) mounted on the rear end of the obturator, and an end portion (22) mounted on the shank portion (20), the end portion (22) having a greater diameter than that of the shank portion (20), the retaining head shank (20) and end portions (22) being received by the socket (18) of the hand grip portion (4) and being retained to the hand grip portion (4) thereby.
References Cited (Backward Citations)
No citation records indexed.
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