Apparatus for manufacture of valve flaps for cardiac valve prost

Details Apparatus for manufacture of valve flaps for cardiac valve prost Apparatus for manufacture of valve flaps for cardiac valve prost

1986-06-06

1988-07-19

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Including shaping means comprising fluid pressure contacting...

425392, 425446, B29C 5110

Patent

active

047581514

ABSTRACT:
A vacuum forming apparatus for fixing and shaping animal tissue into the shape of a cardiac valve prosthesis, including a tapered form, with elongated through apertures, suspended in a reservoir of fixative and vacuum means for producing a reduced pressure within the tapered form.

REFERENCES:
patent: 582440 (1897-05-01), Stifel
patent: 2342035 (1944-02-01), Clark
patent: 2448157 (1948-08-01), Schneider
patent: 4024064 (1977-05-01), Rakowicz et al.
patent: 4084268 (1978-04-01), Ionescu
patent: 4443895 (1984-04-01), Lane
patent: 4470157 (1984-09-01), Love
patent: 4473423 (1984-09-01), Kolff
patent: 4477930 (1984-10-01), Totten et al.

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