Canal forming device for percutaneous nephroscopy

Details Canal forming device for percutaneous nephroscopy Canal forming device for percutaneous nephroscopy

1985-01-30

1987-01-06

Peshock, Robert

Surgery

Truss

Pad

128751, A61F 1732

Patent

active

046338608

ABSTRACT:
A device for preparing the insertion canal for inserting an endoscope for percutaneous nephroscopy includes a tubular member which can be guided on a guide wire inserted through the patient's skin and tissue into the renal calyx. The tubular member carries one or more scalpel blades at its distal end for creating incisions along the path of the wire which can then be expanded to provide a canal for the endoscope. Gripping, orientation and insertion depth indicating means are also disclosed.

REFERENCES:
patent: 864812 (1907-09-01), Thuillier
patent: 1037802 (1912-09-01), Smith
patent: 2001638 (1935-05-01), Tornsjo
patent: 2704541 (1955-03-01), Wyatt
patent: 3367335 (1968-02-01), Ward et al.
patent: 4083370 (1978-04-01), Taylor
patent: 4273128 (1981-06-01), Lary
patent: 4444184 (1984-04-01), Oretorp

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