Mechanism to advance or withdraw objects in lumens or cavities o

Details Mechanism to advance or withdraw objects in lumens or cavities o Mechanism to advance or withdraw objects in lumens or cavities o

1994-07-13

1996-11-05

Hafer, Robert A.

Surgery

Instruments

Means for inserting or removing conduit within body

606 1, A61B 100

Patent

active

055711146

ABSTRACT:
The invention provides a mechanism for an improved medical or veterinary implement comprising a chain or sheath covering an elongated tool or instrument. The sliding sheath of the invention helps the process of insertion and advancement of the implement into a lumen and reduces the friction and pressure induced on the side walls of the lumen into which the sheathed implement is inserted for purposes of treatment or examination.

REFERENCES:
patent: 4798193 (1989-01-01), Giesy et al.

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