Surgery – Specula – Retractor
Patent
1999-01-11
2000-02-15
Hirsch, Paul J.
Surgery
Specula
Retractor
600214, A61M 2900
Patent
active
060246979
ABSTRACT:
A speculum for dilating a body cavity with at least three blades, twice as many supporting members, a rachet mechanism between pairs of directly connected supporting members, and a light source receptacle located on one of the blades with a curved plastic track at the base of the receptacle to transmit light from a removable, commercially available, light source into the cavity created by the speculum. Two of the supporting members, besides helping to move the blades from a closed to an open position and back, can also pivot anteriorly.
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