Retractor

- OSAKA CITY UNIVERSITY
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Description

FIG. 1 is a front perspective view of a retractor showing our new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a cross-sectional view thereof, taken along line 8-8 of FIG. 2; and,

FIG. 9 is a perspective view thereof, showing the retractor in use after being inserted into a chest or an abdomen from a small incision, the retractor being deformed in a ring shape in a body, so as to keep the opened part in the opened state.

The broken lines illustrate environmental structure and form no part of the claimed design.

Claims

The ornamental design for a retractor, as shown and described.

Referenced Cited
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Patent History
Patent number: D821577
Type: Grant
Filed: Jan 25, 2017
Date of Patent: Jun 26, 2018
Assignees: OSAKA CITY UNIVERSITY (Osaka-Shi), OZK CO., LTD. (Yao-Shi), SHINWA SYOJI CO., LTD. (Higashiosaka-Shi)
Inventors: Toshihiko Shibata (Osaka), Haruhiko Yamasaki (Yao), Katsunori Mitsuhashi (Yao), Yoshiro Morishita (Higashiosaka)
Primary Examiner: Jeffrey D Asch
Assistant Examiner: Rebekah A Caruso
Application Number: 29/591,945
Classifications