Patents by Inventor Yushin Yazaki
Yushin Yazaki 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).
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Patent number: 10307565Abstract: An accommodation tool is disclosed with which an operator can easily wind and accommodate a flexible medical elongated body. An accommodation tool winds and accommodates the flexible medical elongated body, for example, a guide wire. The accommodation tool has an inner wall, an outer wall, and an interlock wall. The guide wire is wound around the inner wall. The outer wall defines an accommodation space for accommodating the guide wire between the inner wall and the outer wall, and that is disposed further outward in a radial direction from a centroid of the accommodation tool than the inner wall. The interlock wall interlocks one end portion of the inner wall and one end portion of the outer wall with each other.Type: GrantFiled: June 23, 2017Date of Patent: June 4, 2019Assignee: TERUMO KABUSHIKI KAISHAInventors: Yuuki Sakaguchi, Yushin Yazaki, Jo Fujiki, Takito Inukai
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Patent number: 10124150Abstract: An introducer is configured to distinguish an introducer provided with a sheath tube whose wall thickness is reduced, from an introducer provided with a sheath tube whose wall thickness is not reduced, and to recognize the relationship between the inner diameter and the outer diameter for the sheath tube in which the wall thickness is reduced. An introducer includes an introducer sheath and a dilator. The introducer further includes a first information piece on at least one of the introducer sheath and the dilator and has an inner diameter dimension of the sheath tube as an index. Furthermore, a second information piece having an outer diameter dimension of the sheath tube as an index is on at least one of the introducer sheath and the dilator.Type: GrantFiled: September 25, 2014Date of Patent: November 13, 2018Assignee: TERUMO KABUSHIKI KAISHAInventors: Ryo Okamura, Yushin Yazaki
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Patent number: 10124151Abstract: An introducer is configured to distinguish an introducer provided with a sheath tube whose wall thickness is reduced, from an introducer provided with a sheath tube whose wall thickness is not reduced, and to recognize the relationship between the inner diameter and the outer diameter for the sheath tube in which the wall thickness is reduced. The introducer includes an introducer sheath which includes an elongated hollow sheath tube and a sheath hub at the proximal side of the sheath tube and provided with a dilator insertion port. A first information piece having an inner diameter dimension of the sheath tube as an index is shown on at least one of the sheath tube and the sheath hub. Furthermore, a second information piece having an outer diameter dimension of the sheath tube as an index is shown on at least one of the sheath tube and the sheath hub.Type: GrantFiled: September 25, 2014Date of Patent: November 13, 2018Assignee: TERUMO KABUSHIKI KAISHAInventors: Ryo Okamura, Yushin Yazaki
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Patent number: 9901708Abstract: An introducer sheath is provided with a sheath tube which is formed of a tubular member provided with a hollow portion through which an elongated body is freely inserted and includes a distal portion having a tapering outer diameter and a main body portion having a constant outer diameter. The distal portion of the sheath tube includes a concave portion which is bent radially inward from an end portion, through which an elongated body protrudes, in a concave shape in a cross section parallel to an axial direction, and a convex portion which is contiguous to the concave portion and is bent radially outward in a convex shape in a cross section parallel to the axial direction.Type: GrantFiled: September 22, 2014Date of Patent: February 27, 2018Assignee: TERUMO KABUSHIKI KAISHAInventors: Ryo Okamura, Yushin Yazaki
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Publication number: 20170281902Abstract: An accommodation tool is disclosed with which an operator can easily wind and accommodate a flexible medical elongated body. An accommodation tool winds and accommodates the flexible medical elongated body, for example, a guide wire. The accommodation tool has an inner wall, an outer wall, and an interlock wall. The guide wire is wound around the inner wall. The outer wall defines an accommodation space for accommodating the guide wire between the inner wall and the outer wall, and that is disposed further outward in a radial direction from a centroid of the accommodation tool than the inner wall. The interlock wall interlocks one end portion of the inner wall and one end portion of the outer wall with each other.Type: ApplicationFiled: June 23, 2017Publication date: October 5, 2017Applicant: TERUMO KABUSHIKI KAISHAInventors: Yuuki SAKAGUCHI, Yushin YAZAKI, Jo FUJIKI, Takito INUKAI
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Patent number: 9586028Abstract: An introducer is configured to distinguish an introducer provided with a sheath tube whose wall thickness is reduced, from an introducer provided with a sheath tube whose wall thickness is not reduced, and to recognize the relationship between the inner diameter and the outer diameter for the sheath tube in which the wall thickness is reduced. The introducer includes an introducer sheath and a three-way stopcock portion. The introducer further includes a first information piece on at least one of the introducer sheath and the three-way stopcock portion and has an inner diameter dimension of the sheath tube as an index. Furthermore, a second information piece having an outer diameter dimension of the sheath tube as an index is on at least one of the introducer sheath and the three-way stopcock portion.Type: GrantFiled: November 12, 2015Date of Patent: March 7, 2017Assignee: TERUMO KABUSHIKI KAISHAInventors: Ryo Okamura, Yushin Yazaki
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Publication number: 20160361517Abstract: A catheter includes a flexible tube-shaped main catheter body, a hub connected to a proximal portion of the main catheter body, and a strain relief supported by a distal portion of the hub, the strain relief surrounding a predetermined range of a proximal side of the main catheter body. The strain relief includes a hard portion which is provided in each of regions opposite from each other with respect to an axis in at least a distal-side portion, and which is configured to be harder than another portion in a circumferential direction.Type: ApplicationFiled: August 24, 2016Publication date: December 15, 2016Applicant: TERUMO KABUSHIKI KAISHAInventor: Yushin YAZAKI
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Publication number: 20160067455Abstract: An introducer is configured to distinguish an introducer provided with a sheath tube whose wall thickness is reduced, from an introducer provided with a sheath tube whose wall thickness is not reduced, and to recognize the relationship between the inner diameter and the outer diameter for the sheath tube in which the wall thickness is reduced. The introducer includes an introducer sheath and a three-way stopcock portion. The introducer further includes a first information piece on at least one of the introducer sheath and the three-way stopcock portion and has an inner diameter dimension of the sheath tube as an index. Furthermore, a second information piece having an outer diameter dimension of the sheath tube as an index is on at least one of the introducer sheath and the three-way stopcock portion.Type: ApplicationFiled: November 12, 2015Publication date: March 10, 2016Applicant: TERUMO KABUSHIKI KAISHAInventors: Ryo OKAMURA, Yushin YAZAKI
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Publication number: 20160058976Abstract: An introducer sheath in which a sheath tube can be easily restored to a state before being kinked even when the sheath tube of the introducer sheath is bent to cause kinking during medical practice. An introducer sheath including: a sheath tube which has a central cavity structure continuing from a proximal portion to a distal portion; and a sheath hub which is connected to the proximal portion of the sheath tube. A return angle of a kinked portion when the sheath tube is bent by 180° is 0° to 15°.Type: ApplicationFiled: July 13, 2015Publication date: March 3, 2016Applicant: TERUMO KABUSHIKI KAISHAInventors: Ryo OKAMURA, Yushin YAZAKI
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Patent number: 9265917Abstract: An introducer is configured to distinguish an introducer provided with a sheath tube whose wall thickness is reduced, from an introducer provided with a sheath tube whose wall thickness is not reduced, and to recognize the relationship between the inner diameter and the outer diameter for the sheath tube in which the wall thickness is reduced. The introducer includes an introducer sheath and a three-way stopcock portion. The introducer further includes a first information piece on at least one of the introducer sheath and the three-way stopcock portion and has an inner diameter dimension of the sheath tube as an index. Furthermore, a second information piece having an outer diameter dimension of the sheath tube as an index is on at least one of the introducer sheath and the three-way stopcock portion.Type: GrantFiled: September 25, 2014Date of Patent: February 23, 2016Assignee: TERUMO KABUSHIKI KAISHAInventors: Ryo Okamura, Yushin Yazaki
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Publication number: 20150133865Abstract: An introducer is configured to distinguish an introducer provided with a sheath tube whose wall thickness is reduced, from an introducer provided with a sheath tube whose wall thickness is not reduced, and to recognize the relationship between the inner diameter and the outer diameter for the sheath tube in which the wall thickness is reduced. An introducer includes an introducer sheath and a dilator. The introducer further includes a first information piece on at least one of the introducer sheath and the dilator and has an inner diameter dimension of the sheath tube as an index. Furthermore, a second information piece having an outer diameter dimension of the sheath tube as an index is on at least one of the introducer sheath and the dilator.Type: ApplicationFiled: September 25, 2014Publication date: May 14, 2015Applicant: TERUMO KABUSHIKI KAISHAInventors: Ryo OKAMURA, Yushin Yazaki
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Publication number: 20150032118Abstract: An introducer is configured to distinguish an introducer provided with a sheath tube whose wall thickness is reduced, from an introducer provided with a sheath tube whose wall thickness is not reduced, and to recognize the relationship between the inner diameter and the outer diameter for the sheath tube in which the wall thickness is reduced. The introducer includes an introducer sheath and a three-way stopcock portion. The introducer further includes a first information piece on at least one of the introducer sheath and the three-way stopcock portion and has an inner diameter dimension of the sheath tube as an index. Furthermore, a second information piece having an outer diameter dimension of the sheath tube as an index is on at least one of the introducer sheath and the three-way stopcock portion.Type: ApplicationFiled: September 25, 2014Publication date: January 29, 2015Applicant: TERUMO KABUSHIKI KAISHAInventors: Ryo OKAMURA, Yushin YAZAKI
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Publication number: 20150032056Abstract: An introducer is configured to distinguish an introducer provided with a sheath tube whose wall thickness is reduced, from an introducer provided with a sheath tube whose wall thickness is not reduced, and to recognize the relationship between the inner diameter and the outer diameter for the sheath tube in which the wall thickness is reduced. The introducer includes an introducer sheath which includes an elongated hollow sheath tube and a sheath hub at the proximal side of the sheath tube and provided with a dilator insertion port. A first information piece having an inner diameter dimension of the sheath tube as an index is shown on at least one of the sheath tube and the sheath hub. Furthermore, a second information piece having an outer diameter dimension of the sheath tube as an index is shown on at least one of the sheath tube and the sheath hub.Type: ApplicationFiled: September 25, 2014Publication date: January 29, 2015Applicant: TERUMO KABUSHIKI KAISHAInventors: Ryo OKAMURA, Yushin YAZAKI
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Publication number: 20150011978Abstract: An introducer sheath is provided with a sheath tube which is formed of a tubular member provided with a hollow portion through which an elongated body is freely inserted and includes a distal portion having a tapering outer diameter and a main body portion having a constant outer diameter. The distal portion of the sheath tube includes a concave portion which is bent radially inward from an end portion, through which an elongated body protrudes, in a concave shape in a cross section parallel to an axial direction, and a convex portion which is contiguous to the concave portion and is bent radially outward in a convex shape in a cross section parallel to the axial direction.Type: ApplicationFiled: September 22, 2014Publication date: January 8, 2015Applicant: TERUMO KABUSHIKI KAISHAInventors: Ryo OKAMURA, Yushin Yazaki