Patents Assigned to OZK Co., Ltd.
  • Patent number: 12263317
    Abstract: To provide a guide wire shaping mold that reduces damage to a blood vessel by folding back a tip end of the guide wire and do not require heating treatment, and a guide wire shaping method using the guide wire shaping mold. A guide wire shaping mold configured to shaping by reducing an annular diameter of the guide wire in which a tip end is annularly arranged, the guide wire shaping mold includes a wire shaping portion configured such that an annular portion of the guide wire is arranged, and a wire drawing path formed in a passage way shape, communicating with the wire shaping portion, and configured to retract the guide wire in a linear direction and in a base end direction.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: April 1, 2025
    Assignees: ST. MARIANNA UNIVERSITY SCHOOL OF MEDICINE, OZK CO., LTD., SHINWA SYOJI CO., LTD.
    Inventors: Yuki Ishibashi, Yoshihiro Akashi, Haruhiko Yamasaki, Katsunori Mitsuhashi, Yoshiro Morishita
  • Patent number: 10765451
    Abstract: A retractor holds a surgical incision in a body in an opened state to ensure a surgical field in small-incision endoscopic surgery, and includes a base body that is a thin plate made of tin having a purity of not less than 99.9% and has an elongated rectangular shape in an extended state of the base body. The retractor, in an extended form in a rectangular shape or in a rounded form in a small shape, can be inserted from a small incision wound into the body, and can easily be delivered to the surgical incision in the body by a surgical instrument. The base body is bent and deformed into a desired shape by the surgical instrument and is applied to the surgical incision in the body, so that the surgical incision can be held in an opened state so as to ensure the surgical field.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: September 8, 2020
    Assignees: OSAKA CITY UNIVERSITY, OZK CO., LTD., SHINWA SYOJI CO., LTD.
    Inventors: Toshihiko Shibata, Haruhiko Yamasaki, Katsunori Mitsuhashi, Yoshiro Morishita
  • Publication number: 20190269393
    Abstract: This retractor easily ensures a surgical field as desired by an operator, can flexibly ensure and change the surgical field in accordance with the surgical site and the surgical situation, and can easily be moved to a desired position in the surgical site and taken out after the surgery. A retractor 1 holds a surgical incision in a body in an opened state to ensure a surgical field in small-incision endoscopic surgery, and includes a base body 2 that is a thin plate made of tin having a purity of not less than 99.9% and has an elongated rectangular shape in an extended state of the base body. The retractor 1, in an extended form in a rectangular shape or in a rounded form in a small shape, can be inserted from a small incision wound into the body, and can easily be delivered to the surgical incision in the body by a surgical instrument.
    Type: Application
    Filed: July 21, 2017
    Publication date: September 5, 2019
    Applicants: OSAKA CITY UNIVERSITY, OZK CO., LTD., SHINWA SYOJI CO., LTD.
    Inventors: Toshihiko SHIBATA, Haruhiko YAMASAKI, Katsunori MITSUHASHI, Yoshiro MORISHITA
  • Patent number: 10335132
    Abstract: Provided is a retractor that makes it possible to reduce operation costs, is less likely to cause damage to surgical incision sites, do not reduce workability, and also makes it possible to easily maintain the desired surgical field and to change the surgical field or widen or narrow the area of the surgical field, depending on the surgical situation. The retractor 1 for holding a surgical incision open and maintaining a surgical field during an operation includes a belt-shaped body A made of a wire; and a connecting part B that is provided at one end portion of the belt-shaped body A and capable of being connected to another end portion or an intermediate portion of the belt-shaped body A so that the belt-shaped body A can be formed into a loop of a desired size.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: July 2, 2019
    Assignees: NATIONAL HOSPITAL ORGANIZATION, OZK CO., LTD., SHINWA SYOJI CO., LTD.
    Inventors: Kenjiro Aogi, Haruhiko Yamasaki, Katsunori Mitsuhashi, Yoshiro Morishita
  • Publication number: 20180000474
    Abstract: Provided is a retractor that makes it possible to reduce operation costs, is less likely to cause damage to surgical incision sites, do not reduce workability, and also makes it possible to easily maintain the desired surgical field and to change the surgical field or widen or narrow the area of the surgical field, depending on the surgical situation. The retractor 1 for holding a surgical incision open and maintaining a surgical field during an operation includes a belt-shaped body A made of a wire; and a connecting part B that is provided at one end portion of the belt-shaped body A and capable of being connected to another end portion or an intermediate portion of the belt-shaped body A so that the belt-shaped body A can be formed into a loop of a desired size.
    Type: Application
    Filed: October 14, 2015
    Publication date: January 4, 2018
    Applicants: National Hospital Organization, OZK CO., LTD., Shinwa Syoji CO., LTD.
    Inventors: Kenjiro AOGI, Haruhiko YAMASAKI, Katsunori MITSUHASHI, Yoshiro MORISHITA
  • Patent number: D709667
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: July 29, 2014
    Assignee: OZK Co., Ltd.
    Inventors: Haruhiko Yamasaki, Naomi Hamazaki, Katsunori Mitsuhashi
  • Patent number: D790694
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: June 27, 2017
    Assignees: NATIONAL HOSPITAL ORGANIZATION, OZK CO., LTD., SHINWA SYOJI CO., LTD.
    Inventors: Kenjiro Aogi, Haruhiko Yamasaki, Katsunori Mitsuhashi, Yoshiro Morishita
  • Patent number: D819810
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: June 5, 2018
    Assignees: OSAKA CITY UNIVERSITY, OZK CO., LTD., SHINWA SYOJI CO., LTD.
    Inventors: Toshihiko Shibata, Haruhiko Yamasaki, Katsunori Mitsuhashi, Yoshiro Morishita
  • Patent number: D821577
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: June 26, 2018
    Assignees: OSAKA CITY UNIVERSITY, OZK CO., LTD., SHINWA SYOJI CO., LTD.
    Inventors: Toshihiko Shibata, Haruhiko Yamasaki, Katsunori Mitsuhashi, Yoshiro Morishita