1
Larry W Blake: Opening mechanism for umbrella-like intravascular shunt defect closure device. American Hospital Supply Corporation, February 15, 1977: US04007743 (654 worldwide citation)

The pivotable struts of an umbrella-like shunt defect closure device are resiliently biased from a collapsed position to an expanded position by resilient and foldable flat ring sections which extend between the struts when the struts are in their expanded positions but which are folded between the ...


2
Blake Larry Wesbster: Opening mechanism for umbrella-like intravascular shunt defect closure device. American Hospital Supply, May 20, 1977: FR2328483-A1

The pivotable struts of an umbrella-like shunt defect closure device are resiliently biased from a collapsed position to an expanded position by resilient and foldable flat ring sections which extend between the struts when the struts are in their expanded positions but which are folded between the ...


3
Blake Larry W: Mecanisme pour ouvrir comme un parapluie un dispositif servant a boucher une anastomose, Opening mechanism for umbrella-like intravascular shunt defect closure device. American Hospital Supply Corporation, August 14, 1979: CA1060153

OPENING MECHANISM FOR UMBRELLA-LIKEINTRAVASCULAR SHUNT DEFECT CLOSURE DEVICE Abstract of the Disclosure The pivotable struts of an umbrella-like shunt defectclosure device are resiliently biased from a collapsed position toan expanded position by resilient and foldable flat ring sectionswhich extend ...