Multipurpose circular retractor

Details Multipurpose circular retractor Multipurpose circular retractor

2005-08-23

2005-08-23

Philogene, Pedro (Department: 3732)

Surgery

Specula

Retractor

C600S219000

Reexamination Certificate

active

06932764

ABSTRACT:
A multipurpose retractor is disclosed for use in surgical operations. The retractor can also be used as a speculum. The retractor is made from metal plates, springs, strings, hinges, rods and a worm gear system. The retractor can expand from having a very small diameter to a very large diameter. And at the same time it can produce substantial force or pressure to keep any orifice, birth canal, surgical incision open steadily and stably. The retractor can be easily collapsed after use within seconds using a worm gear system. The worm gear system provides considerable mechanical advantage and allows for the contraction of the retractor with little applied force by the hand. It also allows for control of the retractor to remain in a certain diameter size. A locking mechanism applied to the gear system prevents the retractor from unfolding and therefore the retractor remains stable. The spring system provides the retractor to open completely with great force and remain open.

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patent: 6431246 (2002-08-01), Peterson

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