Abstract
A surgical needle for suturing tissue which is curved so as to comprise a rear part having large curvature, a middle part having small curvature and a leading part having very small curvature, wherein the needle can be easily and smoothly stuck into tissue in suturing operations in cosmetic surgery, plastic surgery and similar surgery can be effectively carried out in safety.
Filing date: Aug 22, 1989
Issue date: Sep 18, 1990
Inventor: Haruo Takase
Primary Examiner: Jackson: Gary
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What is claimed is:
1. A surgical needle for suturing tissue, which comprises:
- a curved needle body which includes a rear part having a large curvature and provided at its rear end portion with thread retaining means, a middle part having a small curvature and a leading part having a very small curvature wherein substantially one-fifth of the length of said rear part of said needle is at a substantially right angle to a tangent line with respect to said leading part.
2. A surgical needle according to claim 1, wherein said thread retaining means comprises a substantially L-shaped thread hole which includes a side notch opening laterally on one side of said needle body and a substantially V-shaped longitudinal slot extending rearward from said side notch.
3. A surgical needle according to claim 2, wherein said rear part of said needle body has thread grooves extending backward said longitudinal slot.
4. A surgical needle according to claim 1, wherein said needle body is provided with cutting edges extending from said middle part to the leading part.