Closed loop system for embryo retrieval

Details Closed loop system for embryo retrieval Closed loop system for embryo retrieval

1990-04-23

1991-08-27

Green, Randall L.

Surgery

Means and methods for collecting body fluids or waste material

Aspiration collection container or trap

600 34, A61M 100, A61B 1743

Patent

active

050429795

ABSTRACT:
A system for embryo retrieval from a uterine cavity may employ apparatus comprising a container of liquid medium, a syringe and a filter interconnected by a plurality of valved conduits connected in a closed loop to circulate the liquid medium into and out of the container, syringe, filter and cavity cyclically. The circulation cycle can be repeated many times with a minimum amount of liquid medium to collect a maximum number of embryos in the filter.

REFERENCES:
patent: 4193392 (1980-03-01), Barnett
patent: 4563172 (1986-01-01), Ferguson
patent: 4781706 (1988-11-01), Suzuhi et al.
patent: 4817599 (1989-04-01), Drews
patent: 4824434 (1989-04-01), Seitz, Jr.

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