Patents by Inventor Masanori Hamazaki

Masanori Hamazaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10898058
    Abstract: An endoscope includes a distal end rigid member, a distal end member, an optical unit, an opening provided in the distal end member, and a ring-shaped molded member configured to engage with a ring-shaped space formed between an outer circumferential surface in the distal end portion in an axial direction of the optical member and an inner circumferential surface in the opening of the distal end member, inclined from the distal end face of the distal end member toward the distal end face on an outer circumferential surface of the optical member throughout a whole circumference.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: January 26, 2021
    Assignee: OLYMPUS CORPORATION
    Inventor: Masanori Hamazaki
  • Publication number: 20180242822
    Abstract: An endoscope includes a distal end rigid member, a distal end member, an optical unit, an opening provided in the distal end member, and a ring-shaped molded member configured to engage with a ring-shaped space formed between an outer circumferential surface in the distal end portion in an axial direction of the optical member and an inner circumferential surface in the opening of the distal end member, inclined from the distal end face of the distal end member toward the distal end face on an outer circumferential surface of the optical member throughout a whole circumference.
    Type: Application
    Filed: May 3, 2018
    Publication date: August 30, 2018
    Applicant: OLYMPUS CORPORATION
    Inventor: Masanori HAMAZAKI
  • Patent number: 9918615
    Abstract: An endoscope button unit includes a housing having two housing portions, a claw portion that is capable of being locked to a cylinder, and is provided at the housing portion, a connection portion that connects the two housing portions, a ring-shaped portion that is placed at an upper portion of the housing portion and is capable of being pulled with use of a finger or a jig, and a connection portion that connects the housing portion and the ring-shaped portion.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: March 20, 2018
    Assignee: OLYMPUS CORPORATION
    Inventor: Masanori Hamazaki
  • Publication number: 20170020365
    Abstract: The endoscope includes an insertion section 27 to be inserted into a cavity to be observed, a distal end member provided at the distal end of the insertion section 27 and having a hole 48, a tubular member inserted in the hole 48, a fixing member 51 engageable with one member selected from between the distal end member and the tubular member and configured to fix the other member by clamping the other member with the one member in the extending direction of the hole.
    Type: Application
    Filed: October 3, 2016
    Publication date: January 26, 2017
    Applicant: OLYMPUS CORPORATION
    Inventor: Masanori HAMAZAKI
  • Publication number: 20160353975
    Abstract: A bending operation mechanism for endoscope according to the invention includes: a bending operation member to which a bending wire for driving a bending portion of an endoscope, the bending operation member being rotationally operated to pull the bending wire in a rotation direction; a rotator coupled to the bending operation member and configured to be rotationally driven by rotation operation of the bending operation member; a reduction gear mechanism that reduces rotation of the rotator; and a biasing mechanism that applies a biasing force in a rotation direction to an output gear in the reduction gear mechanism.
    Type: Application
    Filed: August 23, 2016
    Publication date: December 8, 2016
    Applicant: OLYMPUS CORPORATION
    Inventor: Masanori HAMAZAKI
  • Publication number: 20160302646
    Abstract: An endoscope button unit includes a housing having two housing portions, a claw portion that is capable of being locked to a cylinder, and is provided at the housing portion, a connection portion that connects the two housing portions, a ring-shaped portion that is placed at an upper portion of the housing portion and is capable of being pulled with use of a finger or a jig, and a connection portion that connects the housing portion and the ring-shaped portion.
    Type: Application
    Filed: June 27, 2016
    Publication date: October 20, 2016
    Applicant: OLYMPUS CORPORATION
    Inventor: Masanori HAMAZAKI
  • Publication number: 20140094659
    Abstract: An endoscope includes: a window portion that protrudes by a predetermined dimension along an insertion direction of an endoscope insertion portion from a flat portion provided at a distal end of the endoscope insertion portion; an air/water feeding nozzle that ejects a fluid toward the surface of the window portion; and an inclined portion formed at a circumferential edge portion of the window portion; wherein, a second angle of inclination against the flat portion being an angle in a direction along a second axis orthogonal to a first axis at the center of the window portion is made a larger angle than a first angle of inclination against the flat portion being an angle in a direction along a first axis passing through a center of the window portion and extending in an ejection direction of the fluid ejected from the air/water feeding nozzle.
    Type: Application
    Filed: October 21, 2013
    Publication date: April 3, 2014
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Masanori HAMAZAKI, Takanori WATANABE
  • Patent number: 8333693
    Abstract: An endoscope plug body includes a plug frame with which a venting cap is covered, an inner peripheral surface being formed in the venting cap, the inner peripheral surface being communicated with a channel arranged in an endoscope. The plug frame includes a latch member that latches the plug frame along the periphery of the venting cap to attach the plug frame to the venting cap; and a breaking member that breaks a partial area of the plug frame while maintained in a continuous state in a circumferential direction of the plug frame, the partial area reaching one end portion of the plug frame while including a part of a latched portion of the latch member.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: December 18, 2012
    Assignees: Olympus Corporation, Olympus Medical Systems Corp.
    Inventor: Masanori Hamazaki
  • Patent number: 8038604
    Abstract: An endoscope distal end cover includes a cover portion provided with a coupling port for covering at least a part of an outer circumferential portion of a distal end portion main body configuring an insertion portion of an endoscope; an opening portion for allowing a surface of the distal end portion main body to be in communication with outside when the cover portion is disposed on the distal end portion main body; a finger-hooking portion provided on the cover portion and located away from an edge portion of the coupling port by a predetermined distance; a plastic-deformation portion formed adjacent to the finger-hooking portion and along a predetermined direction of the cover portion; and convex portion engaged with an engaging portion provided to the distal end portion main body, the convex portion being provided on an inner surface of the cover portion adjacent to the plastic-deformation portion.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: October 18, 2011
    Assignee: Olympus Medical Systems Corp.
    Inventors: Masanori Hamazaki, Seiji Kitano
  • Patent number: 7972264
    Abstract: An endoscope plug body comprises a plug frame, a lid member and a plug member and shuts off an inside of a treatment instrument insertion channel from an outside. The plug frame is provided with annular projection portions, a plug body destruction portion and a plug-frame destruction operation portion. A flange portion is arranged between the annular plug portions and fitted to a base of the endoscope. The plug body destruction portion and the plug-frame destruction operation portion releases the lock state by destruction. The plug frame is cylindrical and communicates with a pipe line disposed inside the endoscope. The lid member is separate from the plug frame and has a lid portion disposed at an opening at the other end of the plug frame. The plug member is separate from the plug frame, formed of an elastic member and has a plug-member treatment instrument insertion portion.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: July 5, 2011
    Assignee: Olympus Medical Systems Corp.
    Inventor: Masanori Hamazaki
  • Publication number: 20100305400
    Abstract: A medical device includes a first medical device, a second medical device, an engagement mechanism, a connection release mechanism and a detachment mechanism. The second medical device is attachable to/detachable from the first medical device. The engagement mechanism includes an engaging section provided on the first medical device, and an engaged section provided on the second medical device and engaged in the engaging section. The connection release mechanism includes an external-force input section applied with an external force for releasing connection between the first and second medical devices. The detachment mechanism includes a detachment section where the engaging section or the engaged section is irreversibly detached from the second medical device when the external force is applied to the external-force input section.
    Type: Application
    Filed: June 29, 2010
    Publication date: December 2, 2010
    Inventors: Fumiyuki Onoda, Masanori Hamazaki
  • Publication number: 20100065068
    Abstract: A drape for a medical equipment includes a covering portion configured to cover a surface of the medical equipment, a fixing portion which relatively fixes the covering portion to the medical equipment, a coupling portion which couples the fixing portion with the covering portion, and holding means which is provided to the covering portion and configured to liquid-tightly hold the covered inside when the medical equipment is covered with the covering portion.
    Type: Application
    Filed: November 17, 2009
    Publication date: March 18, 2010
    Inventors: Masanori HAMAZAKI, Fumiyuki ONODA, Katsuyuki SAITO, Seiji YAMAGUCHI, Kiyoshi MIYAKE
  • Publication number: 20070246506
    Abstract: An endoscope distal end cover includes a cover portion provided with a coupling port for covering at least a part of an outer circumferential portion of a distal end portion main body configuring an insertion portion of an endoscope; an opening portion for allowing a surface of the distal end portion main body to be in communication with outside when the cover portion is disposed on the distal end portion main body; a finger-hooking portion provided on the cover portion and located away from an edge portion of the coupling port by a predetermined distance; a plastic-deformation portion formed adjacent to the finger-hooking portion and along a predetermined direction of the cover portion; and convex portion engaged with an engaging portion provided to the distal end portion main body, the convex portion being provided on an inner surface of the cover portion adjacent to the plastic-deformation portion.
    Type: Application
    Filed: April 24, 2007
    Publication date: October 25, 2007
    Applicant: Olympus Medical Systems Corp.
    Inventors: Masanori Hamazaki, Seiji Kitano
  • Publication number: 20070184717
    Abstract: An endoscope plug body includes a plug frame with which a venting cap is covered, an inner peripheral surface being formed in the venting cap, the inner peripheral surface being communicated with a channel arranged in an endoscope. The plug frame includes a latch member that latches the plug frame along the periphery of the venting cap to attach the plug frame to the venting cap; and a breaking member that breaks a partial area of the plug frame while maintained in a continuous state in a circumferential direction of the plug frame, the partial area reaching one end portion of the plug frame while including a part of a latched portion of the latch member.
    Type: Application
    Filed: February 2, 2007
    Publication date: August 9, 2007
    Inventor: Masanori HAMAZAKI
  • Publication number: 20060287578
    Abstract: An endoscope plug body comprises a plug frame, a lid member and a plug member and shuts off an inside of a treatment instrument insertion channel from an outside. The plug frame is provided with annular projection portions, a plug body destruction portion and a plug-frame destruction operation portion. A flange portion is arranged between the annular plug portions and fitted to a base of the endoscope. The plug body destruction portion and the plug-frame destruction operation portion releases the lock state by destruction. The plug frame is cylindrical and communicates with a pipe line disposed inside the endoscope. The lid member is separate from the plug frame and has a lid portion disposed at an opening at the other end of the plug frame. The plug member is separate from the plug frame, formed of an elastic member and has a plug-member treatment instrument insertion portion.
    Type: Application
    Filed: June 14, 2006
    Publication date: December 21, 2006
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Masanori Hamazaki
  • Patent number: 6899673
    Abstract: An endoscope has a first bending portion, a second bending portion, and a hand-held unit. The first bending portion is the distal portion of an elongated insertion member and has a plurality of joint pieces concatenated so that the joint pieces can rotate freely. The second bending portion is located at the proximal end of the first bending portion, and has a plurality of joint pieces concatenated so that the joint pieces can rotate freely. The hand-held unit is located at the proximal end of the insertion member, and has a control section that is used to bend the first bending portion and second bending portion. In the endoscope, the control section of the hand-held unit has an angling knob that is used to bend the first bending portion, and a second angling lever that is used to bend the second bending portion.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: May 31, 2005
    Assignee: Olympus Corporation
    Inventors: Takeshi Ogura, Masanori Hamazaki, Haruhiko Kaiya, Toshio Nakamura
  • Patent number: 6837849
    Abstract: An endoscope has a first bending portion and a second bending portion. The first bending portion is the distal portion of an elongated insertion member and bent in four directions substantially perpendicular to the longitudinal axis of the insertion member. The second bending portion is bent in at least two directions substantially perpendicular to the longitudinal axis of the insertion member. The endoscope further includes a hand-held unit having a control section that is used to bend the first bending portion and second bending portion. The control section of the handheld unit has an angling knob that is used to bend the first bending portion, and a second angling lever that is used to bend the second bending portion.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: January 4, 2005
    Assignee: Olympus Corporation
    Inventors: Takeshi Ogura, Masanori Hamazaki, Haruhiko Kaiya, Toshio Nakamura
  • Patent number: 6811532
    Abstract: An endoscope has a first bending portion and a second bending portion. The first bending portion is the distal portion of an elongated insertion member, and the second bending portion is located at the proximal end of the first bending portion. The dimension of the second bending portion in the longitudinal axis of the insertion member is smaller than the dimension of the first bending portion therein. The endoscope includes a hand-held unit having a control section that is used to bend the first bending portion and second bending portion. The control section of the hand-held unit has an angling knob that is used to bend the first bending portion, and a second angling lever that is used to bend the second bending portion.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: November 2, 2004
    Assignee: Olympus Corporation
    Inventors: Takeshi Ogura, Masanori Hamazaki, Haruhiko Kaiya, Toshio Nakamura
  • Patent number: 6638213
    Abstract: An endoscope has a first bending portion, a second bending portion, and a hand-held unit. The first bending portion is the distal portion of an elongated insertion member. The second bending portion is located at the proximal end of the first bending portion. The hand-held unit is located at the proximal end of the insertion member and has a control section that is used to bend the first bending portion and second bending portion. In the endoscope, the control section of the hand-held unit includes a bending knob, a second bending lever, a first locking lever, and a second locking lever. The angling knob is used to bend the first bending portion, and the second angling lever is used to bend the second bending portion. The first locking lever is used to lock the angling knob at a predetermined angular position, and the second locking lever is used to lock the second angling lever at a predetermined angular position.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: October 28, 2003
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Takeshi Ogura, Masanori Hamazaki, Haruhiko Kaiya, Toshio Nakamura
  • Publication number: 20020099266
    Abstract: An endoscope has a first bending portion and a second bending portion. The first bending portion is the distal portion of an elongated insertion member, and the second bending portion is located at the proximal end of the first bending portion. The dimension of the second bending portion in the longitudinal axis of the insertion member is smaller than the dimension of the first bending portion therein. The endoscope includes a hand-held unit having a control section that is used to bend the first bending portion and second bending portion. The control section of the hand-held unit has an angling knob that is used to bend the first bending portion, and a second angling lever that is used to bend the second bending portion.
    Type: Application
    Filed: October 2, 2001
    Publication date: July 25, 2002
    Inventors: Takeshi Ogura, Masanori Hamazaki, Haruhiko Kaiya, Toshio Nakamura