Method of forming a reseal member for use with blunt cannulas

Details Method of forming a reseal member for use with blunt cannulas Method of forming a reseal member for use with blunt cannulas

1993-10-12

1995-04-04

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 69, 428 43, B29C 7104

Patent

active

054035252

ABSTRACT:
A reseal member having a preferentially weakened central portion, and a method of its manufacture through the application of ultrasonic energy. The reseal is for use with an associated blunt cannula. The reseal comprises a central region and a peripheral region. The central region has a predetermined thickness and includes, in the direction of thickness, a weakened portion extending at least partially therethrough. The upper and lower surface portions of the reseal are continuous and unbroken. A method of forming the weakened central portion includes the steps of positioning the reseal member in an ultrasonic energy generating device, placing the member in compression, and imparting a predetermined amount of ultrasonic energy, in the form of vibrational energy, into the reseal member. The present reseal member can be used for solution vials and containers, tubing set Y-sites, and similar applications.

REFERENCES:
patent: 3972758 (1976-08-01), Bieber
patent: 4068032 (1978-01-01), Alonso
patent: 4265842 (1981-05-01), Summo
patent: 4343845 (1982-08-01), Burden et al.
patent: 5258413 (1993-11-01), Isayer

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