EP0349955A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Laparoscopy trocar
Assignee: Individual
•
Filing: 1989-07-03
•
Granted: —
•
Expires: 2009-07-03
Abstract
Abstract Laparoscopy trocar having a conical screw shaped point (3) suitable for insertion by screwing down. The use of such trocar permits to avoid lesions of endoabdominal organs and vessels, which occurs when using needles known in the art.
Inventors
- 👤 Francesco Pianetti
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34; A61B17/3417
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
23 words
A laparoscopy trocar characterized in that its point is in the shape of a conical screw apt to be inserted by screwing down.
Claim 2
Dependent Claim
23 words
A laparoscopy trocar characterized in that its point is in the shape of a conical screw apt to be inserted by screwing down.
Claim 3
Dependent Claim
23 words
A trocar according to claim 1, characterized in that said conical screw is obtained by threading with a constant pitch of 2 mm.
Claim 4
Dependent Claim
24 words
A trocar according to claim 1, characterized in that said screw is obtained through a spiroid increasing progressively toward the base of the cone.
References Cited (Backward Citations)
FR2350821A1
Cited
US4191191A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.