Expanding dilator

Details Expanding dilator Expanding dilator

1981-03-12

1982-09-21

Pellegrino, Stephen C.

Surgery

Truss

Perineal

128244, 128345, A61B 132, A61M 300

Patent

active

043501516

ABSTRACT:
A dilator for use in implant and other types of urologic surgery which reduces tissue abrasion and damage includes radially separable longitudinal sections for variably dilating generally cylindrial urinary passages and tissue formations. The controlled variable dilation is accomplished by inserting a generally wedge-shaped member between the radially separable sections until the proper degree of dilation has been achieved. The wedge-shaped member can carry an instrument such as a needle and suture through the dilated body passage.

REFERENCES:
patent: 668879 (1901-02-01), Miller
patent: 3502328 (1970-03-01), Hamilton
patent: 3938504 (1976-02-01), Dickinson et al.
patent: 4168709 (1979-09-01), Bentoy

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