Plastic pointed articles and method for their preparation

Details Plastic pointed articles and method for their preparation Plastic pointed articles and method for their preparation

Filed on

1990-03-19

Date issued

1993-10-05

Examiner

Rosenbaum, C. Fred

Patent Class

Surgery

SubClass

Instruments

SubSubClass

Cutting, puncturing or piercing

Other Related Categories

606167, 604272, A61B 1732

Type

Patent

Status

active

Patent number

052500667

Description

ABSTRACT:
A plastic article having a sharp point is made of a polymer of high impact strength and high hardness. The article may be a lancet or a needle for skin puncture, suturing or sewing. A method for preparing the article includes shear thinning a melt of a polymer and introducing the shear thinned melt into a mold which includes a sharp point.

REFERENCES:
patent: 2512568 (1950-06-01), Saffir
patent: 4545376 (1985-10-01), Beiter
patent: 4677979 (1987-07-01), Burns
patent: 4712548 (1987-12-01), Enstrom
patent: 4795446 (1989-01-01), Fecht
patent: 4936827 (1990-06-01), Grimm et al.

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