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公开(公告)号：US20240173467A1
公开(公告)日：2024-05-30
申请号：US18551895
申请日：2022-03-31
IPC分类号： A61M1/00
CPC分类号： A61M1/772 , A61M1/74 , A61M2205/10 , A61M2205/3327 , A61M2205/3331 , A61M2205/3368 , A61M2230/005 , A61M2230/50
摘要： An in vivo temperature control system including a catheter insertable into a living body; a temperature sensor that can measure the temperature in the living body; a liquid storage section that stores a liquid; a pump that supplies the liquid from the liquid storage section to the catheter; and a control section that controls driving of the pump; wherein the control section calculates a difference obtained by subtracting an integrated amount of the liquid sucked inside of the catheter from an integrated amount of the liquid released outside of the catheter, and allows the pump to operate and suck the liquid into the catheter when the difference exceeds a preset threshold, and then stop the driving of the pump when the difference reaches the preset threshold or less.
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公开(公告)号：US20230082336A1
公开(公告)日：2023-03-16
申请号：US17802219
申请日：2021-03-31
摘要： A catheter includes a first tubular portion provided with a first opening communicating with an interior of the first tubular portion; a second tubular portion passing through the first tubular portion, the second tubular portion having an extension extending from a leading end of the first tubular portion and provided with a second opening communicating with an interior of the second tubular portion; and a temperature sensor configured to measure temperature of a measuring unit placed in the extension of the second tubular portion, wherein the catheter is configured to collect fluid discharged from one of the first opening and the second opening from another one of the first opening and the second opening.
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公开(公告)号：US20240148547A1
公开(公告)日：2024-05-09
申请号：US18284326
申请日：2022-03-31
CPC分类号： A61F7/123 , A61F7/0085 , A61F2007/0056 , A61F2007/0091
摘要： An in vivo temperature control system includes a catheter insertable into a biological lumen; two or more temperature sensors placed such that they can measure a temperature distribution in a longitudinal direction of the biological lumen; a liquid storage section that stores a liquid; and a control section that estimates a spatial change in the biological lumen based on a temperature change before and after the liquid in the liquid storage section is released outwardly through the catheter, wherein the temperature change is measured by each of two or more temperature sensors.
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4.发明申请公开(公告)号：US20220054181A1
公开(公告)日：2022-02-24
申请号：US17312467
申请日：2019-12-19
摘要： An esophageal liquid-supply catheter is capable of reducing the temperature transmission to the esophagus due to heating, cooling or the like by ablation, by efficiently delivering a liquid to the esophagus is disclosed. The esophageal liquid-supply catheter contains a tubular member, a plurality of arms with the proximal ends fixed to the distal end of the tubular member, and a distal end tip fixed to the distal end of the arms, wherein the plurality of arms can be deformed and expanded outward in the radial direction of the tubular member. A shaft may be inserted through the tubular member and fixed on the distal end to the distal end tip, and the arms can be expanded outward in the radial direction when the shaft is slid toward the proximal end side relative to the tubular member.
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公开(公告)号：US20170128702A1
公开(公告)日：2017-05-11
申请号：US15129002
申请日：2015-03-31
IPC分类号： A61M25/10
CPC分类号： A61M25/1006 , A61M25/0097 , A61M2025/1068
摘要： A balloon catheter includes an inner cylinder shaft having a small-diameter inner cylinder section in a tip side and a large-diameter inner cylinder section in a base-end side; an outer cylinder shaft with the inner cylinder shaft in its lumen; a balloon whose tip is fixed at a tip of the inner cylinder shaft, and whose base end is fixed at the tip of the outer cylinder shaft, wherein the outer cylinder shaft and the inner cylinder shaft slide over each other and cause a shape change between a normal balloon shape and an extended balloon shape; and a housing communicating with the lumen of the outer cylinder shaft, and having a small-diameter lumen in the tip side and a large-diameter lumen in the base-end side; wherein the housing has an insertion inlet for insertion of the inner cylinder shaft, and a liquid inlet/outlet.
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公开(公告)号：US20220378499A1
公开(公告)日：2022-12-01
申请号：US17770102
申请日：2020-10-23
IPC分类号： A61B18/14
摘要： An in vivo temperature control system has a monitor for the internal temperature of a biological organ such as the esophagus, and for directly controls the temperature in the organ side depending on the monitoring. The in vivo temperature control system includes: a catheter insertable into a living body; a temperature probe containing a temperature sensor, the probe being insertable into the catheter; a liquid storage section for storing a temperature-controlled liquid; a pump for supplying the liquid from the liquid storage section to the catheter; and a control section for controlling driving of the pump based on a signal detected from the temperature probe; wherein the control section controls the pump when the signal has reached a preset threshold, and the pump is driven such that the liquid in the liquid storage section is released to the outside through the catheter.
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公开(公告)号：US11172983B2
公开(公告)日：2021-11-16
申请号：US14777634
申请日：2014-03-28
发明人： Takahiro Yagi , Motoki Takaoka , Akinori Matsukuma
摘要： A balloon ablation catheter includes a catheter shaft containing a reinforcement wire in a thick section; a balloon provided at an end of the catheter shaft; and a high-frequency electric current electrode arranged in the balloon; which balloon ablation catheter satisfies L>t, wherein L represents the shortest distance from the surface of the reinforcement wire to the surface of the catheter shaft, and t represents the wall thickness of the thinnest portion of the balloon.
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公开(公告)号：US10342959B2
公开(公告)日：2019-07-09
申请号：US15129002
申请日：2015-03-31
摘要： A balloon catheter includes an inner cylinder shaft having a small-diameter inner cylinder section in a tip side and a large-diameter inner cylinder section in a base-end side; an outer cylinder shaft with the inner cylinder shaft in its lumen; a balloon whose tip is fixed at a tip of the inner cylinder shaft, and whose base end is fixed at the tip of the outer cylinder shaft, wherein the outer cylinder shaft and the inner cylinder shaft slide over each other and cause a shape change between a normal balloon shape and an extended balloon shape; and a housing communicating with the lumen of the outer cylinder shaft, and having a small-diameter lumen in the tip side and a large-diameter lumen in the base-end side; wherein the housing has an insertion inlet for insertion of the inner cylinder shaft, and a liquid inlet/outlet.
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公开(公告)号：US20160287323A1
公开(公告)日：2016-10-06
申请号：US14777634
申请日：2014-03-28
发明人： Takahiro Yagi , Motoki Takaoka , Akinori Matsukuma
IPC分类号： A61B18/14
CPC分类号： A61B18/1492 , A61B2018/0016 , A61B2018/0022 , A61B2018/00285 , A61B2018/044 , A61B2018/046 , A61B2018/1472 , A61M25/0026 , A61M25/005
摘要： A balloon ablation catheter includes a catheter shaft containing a reinforcement wire in a thick section; a balloon provided at an end of the catheter shaft; and a high-frequency electric current electrode arranged in the balloon; which balloon ablation catheter satisfies L>t, wherein L represents the shortest distance from the surface of the reinforcement wire to the surface of the catheter shaft, and t represents the wall thickness of the thinnest portion of the balloon.
摘要翻译： 球囊消融导管包括导管轴，该导管轴包含厚部分的加强丝; 设置在导管轴的端部处的气囊; 和布置在气球中的高频电流电极; 该气囊消融导管满足L> t，其中L表示从加强线的表面到导管轴的表面的最短距离，t表示球囊最薄部分的壁厚。
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