Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1986-10-02
1987-10-20
Truluck, Dalton L.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 8, A61M 2500
Patent
active
047011661
ABSTRACT:
Catheter of soft, flexible material is formed with closed end. Fluid opening formed by single slit through tubing wall of such length that valve will open only upon application of predetermined pressure differentials. Removable stiffener member is positioned in catheter, abutting closed end to push catheter into body vessel when inserting.
REFERENCES:
patent: 2393003 (1944-05-01), Smith
patent: 3020913 (1962-02-01), Heyer
patent: 3885561 (1975-05-01), Cami
patent: 3888249 (1975-06-01), Spencer
patent: 4434810 (1984-03-01), Atkinson
patent: 4549879 (1985-10-01), Groshong et al.
Brawn Ronald J.
Groshong LeRoy E.
Catheter Technology Corp.
Foster Lynn G.
Truluck Dalton L.
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