Means and methods for punching holes in catheters

Details Means and methods for punching holes in catheters Means and methods for punching holes in catheters

1975-08-28

1976-12-07

Yost, Frank T.

Cutting

Processes

Cutting wall of hollow work

30358, 83191, B26F 132

Patent

active

039955184

ABSTRACT:
The invention comprises a means and method for punching medically acceptable holes in flexible catheter tubing through a manual punching device which includes an elongated shank sized for snug fitting disposition within the catheter tube and is provided with a pair of cooperating wedge-shaped elements which are driven against each other by manipulation of the device to drive a punch radially outwardly through the wall of the catheter tube and through a complimentary female die which is snugly disposed against the outer wall of the catheter tube.

REFERENCES:
patent: 200454 (1878-02-01), Higgins
patent: 672312 (1901-04-01), Cook
patent: 750746 (1904-01-01), Woodburn
patent: 1432073 (1922-10-01), Lowy
patent: 1764129 (1930-06-01), Trumble et al.
patent: 2116083 (1938-05-01), Rusch

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