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公开(公告)号：US11439425B2
公开(公告)日：2022-09-13
申请号：US16686664
申请日：2019-11-18
Applicant: OLYMPUS CORPORATION
Inventor： Michio Takayama , Takamitsu Sakamoto , Ken Fujisaki
Abstract: A surgical procedure of preparing bone holes to dispose an implanted tendon to a femur when performing reconstruction of a ligament in a knee joint, includes: forming a first bone hole in the femur; and applying ultrasonic vibration from a treatment portion of an ultrasonic treatment instrument to the femur, thereby cutting and expanding the first bone hole from the inside of the knee joint to the first bone hole of the femur along a predetermined depth, and forming a second bone hole having a polygonal shape, an approximately polygonal shape, an elliptical shape or an approximately elliptical shape to receive the implanted tendon.
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公开(公告)号：US10123816B2
公开(公告)日：2018-11-13
申请号：US15082519
申请日：2016-03-28
Applicant: OLYMPUS CORPORATION
Inventor： Takamitsu Sakamoto , Chie Onuma , Kiichiro Sawada , Ken Fujisaki , Kazuhiro Yoshida , Satoshi Takekoshi , Sohei Ueda , Yasuo Tanigami
Abstract: In an arthroendoscopical surgical method, a resection target area, and a freshening treatment area which becomes repair surfaces with bleeding, are identified, and a resection line and a freshening line are drawn on a tear site in a meniscus, which is emphasized by fluorescence with use of a fluorescent medicine under excitation light. Using an ultrasonic treatment tool and an arthroscope, the resection target area is resected by a probe which generates ultrasonic vibrations, based on the resection line and freshening line under visible-light illumination. Thus, an inclined resection surface is formed, and planar repair surfaces with bleeding are joined and repaired.
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公开(公告)号：US11109881B2
公开(公告)日：2021-09-07
申请号：US16394118
申请日：2019-04-25
Applicant: OLYMPUS CORPORATION
Inventor： Ken Fujisaki , Takamitsu Sakamoto , Takeo Usui
Abstract: Ultrasound oscillation can be propagated to a distal end of an elongated probe. A cross-sectional surface of the probe is perpendicular to the length of the probe, and has to the same shape as a shape of a cross-sectional surface of an anchor. The probe is configured to forma bottomed hole in a bone for placing the anchor and the shape of its cross-sectional surface can prevent rotation of the anchor in the bottomed hole. An area of the cross-sectional surface of the probe at the distal end can be larger than an area of a cross-sectional surface of the probe at a proximal end. The distal end of the probe includes a treatment portion that extends outward from a center of the proximal end of the probe in a first direction perpendicular to the longitudinal direction and in a second direction different from the first direction.
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公开(公告)号：US10945754B2
公开(公告)日：2021-03-16
申请号：US16396261
申请日：2019-04-26
Applicant: OLYMPUS CORPORATION
Inventor： Ken Fujisaki , Takamitsu Sakamoto , Michio Takayama , Hideto Yoshimine , Ken Yokoyama , Ryo Miyasaka
Abstract: An ultrasound device includes: an ultrasound generator; an ultrasound probe; and a distal end treatment portion capable of forming a bone hole when pressed against a bone. The distal end treatment portion includes a base portion, and a distal end portion. The distal end portion includes projections and a valley portion between adjacent projections. Each projection is formed of at least one excision surface that is inclined from a base of the projection to a distal top of the projection. The excision surface is capable of finely crushing the bone. The valley portion includes a valley peak at a distal-most meeting point of adjacent projections such that a surface of the valley extending distally from a point at which the valley meets an outer surface of the base portion to the valley peak is inclined.
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公开(公告)号：US10098654B2
公开(公告)日：2018-10-16
申请号：US15082625
申请日：2016-03-28
Applicant: OLYMPUS CORPORATION
Inventor： Takamitsu Sakamoto , Chie Onuma , Ken Fujisaki , Kiichiro Sawada , Kazuhiro Yoshida , Satoshi Takekoshi , Sohei Ueda , Yasuo Tanigami
Abstract: An arthroscopical surgical method using an ultrasonic treatment device for a joint includes: transmitting ultrasonic vibration to a treatment portion of the ultrasonic treatment device, removing an injured region of an articular cartilage so that a subchondral bone is exposed, and forming a cartilage edge which is nearly angled at 90° with the exposed surface of the subchondral bone to form a pool-shaped depression; forming a hole which pierces up to a cancellous bone of the subchondral bone through the depression, and scratching blood vessels in the cancellous bone; causing bleeding from the blood vessels so that blood is retained in the depression via the hole.
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Patent Agency Ranking
公开(公告)号：US09510884B2
公开(公告)日：2016-12-06
申请号：US13943947
申请日：2013-07-17
Applicant: OLYMPUS CORPORATION
Inventor： Masato Tamai , Takamitsu Sakamoto
CPC classification number: A61B17/866 , A61F2210/0004 , A61L27/047 , A61L27/306 , A61L27/58 , A61L31/022 , A61L31/082 , A61L31/148 , A61L2430/02
Abstract: The present invention can suitably be used even in a site where hydrogen gas is metabolized slowly, such as the osseous tissue. Provided is a biodegradable implant including a biodegradable magnesium member formed of a magnesium alloy and coating layers that coat the biodegradable magnesium member, thereby reducing the degradation rate thereof in a living organism, wherein a depression to be infiltrated by an osteoblast is formed in a surface of the biodegradable magnesium member.
Abstract translation: 本发明即使在氢气代谢缓慢的部位（例如骨组织）也能适用。 提供一种可生物降解的植入物，其包括由镁合金形成的可生物降解的镁构件和涂覆生物降解性镁构件的涂层，从而降低活生物体中的降解速率，其中在表面形成被成骨细胞渗透的凹陷 的可生物降解的镁构件。
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公开(公告)号：US11540854B2
公开(公告)日：2023-01-03
申请号：US16713773
申请日：2019-12-13
Applicant: Olympus Corporation
Inventor： Ken Fujisaki , Takamitsu Sakamoto , Ken Yokoyama , Yasuyuki Matsumura , Hideto Yoshimine
IPC: A61B17/32
Abstract: The disclosed technology is directed to an ultrasonic probe comprises a probe main portion configured to transmit ultrasonic vibration generated by an ultrasonic transducer. A treatment portion is configured on a distal side of the probe main portion along a longitudinal axis thereof. The treatment portion includes first direction surfaces disposed in a first direction intersecting the longitudinal axis and second direction surfaces that are adjacent to the first direction surfaces and are disposed in a second direction different from the first direction surfaces. The first direction surfaces further includes a plurality of surfaces formed into a staircase shape when being viewed from the treatment portion and one or more surfaces formed into a staircase shape when being viewed from a side opposed to the distal side of the treatment portion. The second direction surfaces further includes a plurality of surfaces formed into a staircase shape toward the distal side.
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公开(公告)号：US11484192B2
公开(公告)日：2022-11-01
申请号：US16516485
申请日：2019-07-19
Applicant: OLYMPUS CORPORATION
Inventor： Atsuyoshi Shimamoto , Keiichiro Nakajima , Masashi Yamada , Takamitsu Sakamoto , Mitsuru Namiki , Mikihiko Terashima
Abstract: An optical-scanning-type observation probe is provided with: an imaging optical system that illumination light scanned by an optical scanner enters and that focuses the illumination light in the form of a spot, multiple times; a projection optical system that emits illumination light coming from a focus position focused by the imaging optical system, toward a subject in the form of a spot; and a light-receiver that is provided independently of the imaging optical system and the projection optical system and that receives reflected light of the illumination light, the reflected light coming from the subject, via a light path different from that of the imaging optical system and the projection optical system.
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公开(公告)号：US11083482B2
公开(公告)日：2021-08-10
申请号：US16395476
申请日：2019-04-26
Applicant: OLYMPUS CORPORATION
Inventor： Hiroyuki Araki , Kiichiro Sawada , Takamitsu Sakamoto , Ken Fujisaki , Hideto Yoshimine
Abstract: A method of performing a procedure on a meniscus, via an ultrasonic surgical tool. The ultrasonic tool includes a probe capable of transmitting ultrasonic vibration from a proximal end toward a front end. The probe includes a bent portion that is inclined with respect to a longitudinal axis of the probe, and a procedure portion that is disposed at the front end of the probe and has a plurality of cutting surfaces. The method includes: inserting the probe in a body; moving the probe through a space in between the femur and the tibia to position the procedure portion adjacent to the horizontal rupture in the meniscus; positioning a cutting surface of the procedure portion on a posterior portion of the meniscus; and resecting the horizontal rupture along an inclination of the meniscus to form an inclined resection plane.
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公开(公告)号：US20200038052A1
公开(公告)日：2020-02-06
申请号：US16582724
申请日：2019-09-25
Applicant: Olympus Corporation
Inventor： Ken Fujisaki , Takamitsu Sakamoto , Ken Yokoyama , Michio Takayama
Abstract: An ultrasonic surgical instrument includes an elongated shaft having respective proximal and distal end sides. An ultrasonic transducer is secured to the shaft and is configured to transmit ultrasonic vibrations from the proximal end side toward a distal end side along a longitudinal axis of the shaft. A cutting portion includes an outermost shape-defining portion that when pressed at a tip of the block shape against a bone cuts the bone in a direction of a pressing force to form a bone tunnel and to produce small particle of bone. A burying portion is configured to direct a flow of the fluid, which contains the small particle of bone produced upon formation of the bone tunnel, toward a wall formed in the bone tunnel by the cutting portion along the direction of the pressing force and to bury the small particle of bone in the wall of the bone tunnel.
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