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1. 发明授权

US11648044B2 N2O liquefaction system with subcooling heat exchanger for medical device 有权
公开(公告)号：US11648044B2
公开(公告)日：2023-05-16
申请号：US16864184
申请日：2020-05-01
申请人： Medtronic CryoCath LP
发明人： Rachid Mahrouche , Eric Monger , Vladimir Tzonev
IPC分类号： A61B18/02 , F25J1/00 , F25B5/00 , F25B25/00 , F25B30/02
CPC分类号： A61B18/02 , F25B5/00 , F25B25/005 , F25B30/02 , F25J1/005 , F25B2309/021
摘要： A system and kit for using a source of low-pressure refrigerant for a cryotherapy procedure and for subcooling a cryotherapy refrigerant. The system may generally include a fluid reservoir and a fluid flow path in thermal exchange with the fluid reservoir, the fluid flow path including a first thermal exchange device in thermal exchange with the fluid reservoir, a compressor in fluid communication with the first thermal exchange device, a condenser, a reversing valve located between the compressor and the condenser, a second thermal exchange device located between the reversing valve and the compressor, and an expansion valve located between the condenser and the thermal exchange device. The third thermal exchange device may be configured to be in fluid communication with the cryotherapy console and configured to place a secondary refrigerant within the first fluid flow path in thermal communication with a secondary refrigerant of the cryotherapy system.

2. 发明授权

US12011205B2 Universal adaptor for gas scavenging systems 有权
公开(公告)号：US12011205B2
公开(公告)日：2024-06-18
申请号：US17404248
申请日：2021-08-17
申请人： Medtronic CryoCath LP
发明人： Stephane Moreau , Rachid Mahrouche , Eric Monger , Nadine Nahoul , Vladimir Tzonev
IPC分类号： F16L33/00 , A61B18/02 , A61M39/10 , F16L25/14 , F16L33/30 , A61B17/00 , A61B18/00
CPC分类号： A61B18/02 , A61M39/1011 , F16L25/14 , F16L33/00 , A61B2017/00486 , A61B2018/00172 , A61B2018/00577 , A61B2018/0212 , A61B2018/0268 , F16L33/30
摘要： An adapter for putting two incompatible medical systems in fluid communication with each other. The adapter may have a continuous outer diameter and may include two segments: a first segment composed of a rigid material and including a first portion and a second portion, the first portion having a continuous outer diameter and the second portion defining one or more flanges, the first segment defining a first passage therethrough; and a second segment composed of a flexible material and coupled to the first segment, including a first portion and a second portion. The first portion of the second segment may have an inner surface configured to surround the flanges of the second portion of the first segment, and the second portion of the second segment having a tapered inner surface, the second segment defining a second passage therethrough that is continuous with the first passage.

3. 发明授权

US10433894B2 N2O liquefaction system with subcooling heat exchanger for medical device 有权
公开(公告)号：US10433894B2
公开(公告)日：2019-10-08
申请号：US15012366
申请日：2016-02-01
申请人： Medtronic CryoCath LP
发明人： Rachid Mahrouche , Eric Monger , Vladimir Tzonev
IPC分类号： F25J1/00 , A61B18/02 , F25B5/00 , F25B25/00 , F25B30/02 , F25B9/00 , A61B18/00
摘要： A system and kit for using a source of low-pressure refrigerant for a cryotherapy procedure and for subcooling a cryotherapy refrigerant. The system may generally include a fluid reservoir and a fluid flow path in thermal exchange with the fluid reservoir, the fluid flow path including a first thermal exchange device in thermal exchange with the fluid reservoir, a compressor in fluid communication with the first thermal exchange device, a condenser, a reversing valve located between the compressor and the condenser, a second thermal exchange device located between the reversing valve and the compressor, and an expansion valve located between the condenser and the thermal exchange device. The third thermal exchange device may be configured to be in fluid communication with the cryotherapy console and configured to place a secondary refrigerant within the first fluid flow path in thermal communication with a secondary refrigerant of the cryotherapy system.

4. 发明申请

US20210369322A1 UNIVERSAL ADAPTOR FOR GAS SCAVENGING SYSTEMS 有权
公开(公告)号：US20210369322A1
公开(公告)日：2021-12-02
申请号：US17404248
申请日：2021-08-17
申请人： Medtronic CryoCath LP
发明人： Stephane Moreau , Rachid Mahrouche , Eric Monger , Nadine Nahoul , Vladimir Tzonev
IPC分类号： A61B18/02 , F16L33/00 , A61M39/10 , F16L25/14
摘要： An adapter for putting two incompatible medical systems in fluid communication with each other. The adapter may have a continuous outer diameter and may include two segments: a first segment composed of a rigid material and including a first portion and a second portion, the first portion having a continuous outer diameter and the second portion defining one or more flanges, the first segment defining a first passage therethrough; and a second segment composed of a flexible material and coupled to the first segment, including a first portion and a second portion. The first portion of the second segment may have an inner surface configured to surround the flanges of the second portion of the first segment, and the second portion of the second segment having a tapered inner surface, the second segment defining a second passage therethrough that is continuous with the first passage.

5. 发明授权

US11123126B2 Universal adaptor for gas scavenging systems 有权
公开(公告)号：US11123126B2
公开(公告)日：2021-09-21
申请号：US16593298
申请日：2019-10-04
申请人： Medtronic CryoCath LP
发明人： Stephane Moreau , Rachid Mahrouche , Eric Monger , Nadine Nahoul , Vladimir Tzonev
IPC分类号： A61B18/02 , F16L25/14 , F16L33/00 , A61M39/10 , A61B17/00 , F16L33/30 , A61B18/00
摘要： An adapter for putting two incompatible medical systems in fluid communication with each other. The adapter may have a continuous outer diameter and may include two segments: a first segment composed of a rigid material and including a first portion and a second portion, the first portion having a continuous outer diameter and the second portion defining one or more flanges, the first segment defining a first passage therethrough; and a second segment composed of a flexible material and coupled to the first segment, including a first portion and a second portion. The first portion of the second segment may have an inner surface configured to surround the flanges of the second portion of the first segment, and the second portion of the second segment having a tapered inner surface, the second segment defining a second passage therethrough that is continuous with the first passage.

6. 发明授权

US10788244B2 Recovery system for N20 有权
公开(公告)号：US10788244B2
公开(公告)日：2020-09-29
申请号：US15012341
申请日：2016-02-01
申请人： Medtronic CryoCath LP
发明人： Rachid Mahrouche , Eric Monger , Vladimir Tzonev
IPC分类号： A61B18/02 , F25B45/00 , A61B18/12 , A61B90/00 , A61B18/00 , A61F7/00
摘要： A system for the recovery of expanded refrigerant from a cryotreatment system for storage and disposal may generally include first fluid flow path having a first compressor and a fluid recovery reservoir, and a closed-loop second fluid flow path having a thermal exchange device that is in thermal communication with the fluid recovery reservoir, a second compressor, and a condenser. The first fluid flow path may include a primary refrigerant from a cryotreatment system and the closed-loop second fluid flow path may contain a secondary refrigerant for cooling the primary refrigerant within the fluid recovery reservoir. The refrigerant recovery conduit may be in fluid communication with both the cryotreatment system and a medical facility scavenging system. The refrigerant recovery conduit and the cryotreatment system may be located within the same cryotreatment console.

7. 发明授权

US11090101B2 Soft balloon device and system 有权
公开(公告)号：US11090101B2
公开(公告)日：2021-08-17
申请号：US15969280
申请日：2018-05-02
申请人： Medtronic CryoCath LP
发明人： Jean-Pierre Lalonde , Scott A. Hareland , Jay L. Kelley , Rachid Mahrouche , Wlodzimierz Sadzynski , Megan M. Schmidt , Bertin Simeon , Vladimir Tzonev
IPC分类号： A61B18/02 , A61B18/00 , A61M25/10
摘要： A device, system, and method for performing a variety of treatment procedures safely with a single treatment device. For example, a system is provided that includes a treatment device with a highly conformable balloon that is inflated at a constant pressure and that remains “soft” during use, which enhances balloon-tissue contact, treatment efficacy, and patient safety. In one embodiment, a system for ablating tissue comprises: a treatment device including a highly conformable balloon; a control unit including a fluid supply reservoir in fluid communication with the highly conformable balloon, the control unit being configured to deliver fluid from the fluid supply reservoir to the highly conformable balloon such that the highly conformable balloon is maintained at a balloon pressure of between 0.2 psig and 3.0 psig.

8. 发明授权

US10675078B2 N2O liquefaction system with subcooling heat exchanger for medical device 有权
公开(公告)号：US10675078B2
公开(公告)日：2020-06-09
申请号：US16529544
申请日：2019-08-01
申请人： Medtronic CryoCath LP
发明人： Rachid Mahrouche , Eric Monger , Vladimir Tzonev
IPC分类号： F25B25/00 , A61B18/02 , F25J1/00 , F25B5/00 , F25B30/02
摘要： A system and kit for using a source of low-pressure refrigerant for a cryotherapy procedure and for subcooling a cryotherapy refrigerant. The system may generally include a fluid reservoir and a fluid flow path in thermal exchange with the fluid reservoir, the fluid flow path including a first thermal exchange device in thermal exchange with the fluid reservoir, a compressor in fluid communication with the first thermal exchange device, a condenser, a reversing valve located between the compressor and the condenser, a second thermal exchange device located between the reversing valve and the compressor, and an expansion valve located between the condenser and the thermal exchange device. The third thermal exchange device may be configured to be in fluid communication with the cryotherapy console and configured to place a secondary refrigerant within the first fluid flow path in thermal communication with a secondary refrigerant of the cryotherapy system.

9. 发明授权

US10463417B2 Universal adaptor for gas scavenging systems 有权
公开(公告)号：US10463417B2
公开(公告)日：2019-11-05
申请号：US14488871
申请日：2014-09-17
申请人： Medtronic CryoCath LP
发明人： Stephane Moreau , Rachid Mahrouche , Eric Monger , Nadine Nahoul , Vladimir Tzonev
IPC分类号： F16L25/14 , A61B18/02 , A61M39/10 , A61B17/00 , F16L33/30 , A61B18/00
摘要： An adapter for putting two incompatible medical systems in fluid communication with each other. The adapter may have a continuous outer diameter and may include two segments: a first segment composed of a rigid material and including a first portion and a second portion, the first portion having a continuous outer diameter and the second portion defining one or more flanges, the first segment defining a first passage therethrough; and a second segment composed of a flexible material and coupled to the first segment, including a first portion and a second portion. The first portion of the second segment may have an inner surface configured to surround the flanges of the second portion of the first segment, and the second portion of the second segment having a tapered inner surface, the second segment defining a second passage therethrough that is continuous with the first passage.

10. 发明授权

US09522030B2 Purge phase for cryoablation systems 有权
标题翻译：冷冻消融系统的清洗阶段
公开(公告)号：US09522030B2
公开(公告)日：2016-12-20
申请号：US13747902
申请日：2013-01-23
申请人： MEDTRONIC CRYOCATH LP
发明人： Chadi Harmouche , Rachid Mahrouche , Eric Monger , Bertin Siméon , Vladimir Tzonev
IPC分类号： A61B18/18 , A61B18/02
CPC分类号： A61B18/02 , A61B2018/00577 , A61B2018/0212 , A61B2018/0262 , A61B2018/0268
摘要： A method for purging a cryotreatment system, in particular, for clearing moisture and thus preventing ice blockages within a fluid flow path that may be formed when moisture pockets within the fluid flow path of the system are encountered by a first injection of refrigerant at the beginning of a cryotreatment procedure. The method may include injecting refrigerant from a refrigerant source into a fluid delivery conduit at a preselected pressure for a first period of time, the refrigerant flowing from the fluid delivery conduit through a fluid injection element and into a fluid recovery conduit, and evacuating refrigerant from the fluid recovery conduit by vacuum pressure generated by the vacuum pump for a second period of time. This method may be repeated for a plurality of cycles.
摘要翻译：一种用于清洗冷冻处理系统的方法，特别是用于清除水分，从而防止在系统的流体流动路径内的湿气袋可能在开始时首先注入制冷剂时遇到的流体流动路径内的冰堵塞的冷冻治疗程序。该方法可以包括将制冷剂从制冷剂源以预选压力第一时间段喷射到流体输送导管中，制冷剂从流体输送导管流过流体注入元件并流入流体回收管道，并将制冷剂从流体回收管道由真空泵产生的真空压力持续第二个时间段。该方法可以重复多个周期。

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