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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 10. Отображено 9.
17-10-2013 дата публикации

Apparatus and Method for Removing Occlusive Tissue

Номер: US20130274728A1
Автор: Kapur Terri, Malhi Arnaz, Pruitt Sean
Принадлежит: TYCO HEALTHCARE GROUP LP

A tissue treatment apparatus for restoring patency in a body vessel is provided. The tissue treatment apparatus includes an elongated catheter dimensioned for insertion within a body vessel having an at least partial occlusion. Proximal and distal expandable segments are mounted to the elongated catheter and are positionable adjacent the occlusion and are configured to transition from a first condition to a second expanded condition. A mesh in operative engagement with the proximal and distal expandable segments is expandable radially outwardly from the catheter upon corresponding transition of the proximal and distal expandable segments to the second condition. The mesh includes a conductive material adapted to transmit electrosurgical energy to treat and facilitate removal of the occlusion, to thereby assist in restoring patency within the body vessel. 1. A tissue treatment apparatus for restoring patency in a body vessel , which comprises:an elongated catheter dimensioned for insertion within a body vessel having an at least partial occlusion, the elongated catheter defining a longitudinal axis and having proximal and distal ends;proximal and distal expandable segments mounted to the elongated catheter and being positionable adjacent the occlusion, the proximal and distal expandable segments being adapted to transition from a first contracted condition to a second expanded condition; anda mesh in operative engagement with the proximal and distal expandable segments, the mesh being expandable radially outwardly from the catheter upon corresponding transition of the proximal and distal expandable segments to the second expanded condition, the mesh comprising a conductive material adapted to transmit electrosurgical energy to the occlusion.2. The tissue treatment apparatus according to claim 1 , including an electrosurgical energy source in electrical communication with the mesh.3. The tissue treatment apparatus according to claim 2 , wherein the electrosurgical ...

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Номер записи: 1
05-12-2013 дата публикации

ELECTRO-MECHANICAL INTRAVASCULAR DEVICE

Номер: US20130325003A1
Автор: Kapur Terri, Malhi Arnaz, Pruitt Sean
Принадлежит: TYCO HEALTHCARE GROUP LP

An occlusion treatment device is disclosed that is configured and dimensioned for the treatment of a lumen that is at least partially blocked by an occlusion. The occlusion treatment device comprises a catheter including a body portion with proximal and distal ends, at least one expandable element that is secured to the body portion of the catheter, and a material removal element that extends distally from the distal end of the body portion including a debriding member in communication with an energy source to facilitate selective energizing of the debriding member. The catheter is axially movable through the lumen, and rotatable within the lumen, such that the material removal element selectively imparts non-mechanical and/or mechanical energy to the occlusion to effect debriding of the occlusion. 1. An occlusion treatment device configured and dimensioned for treatment of a lumen at least partially blocked by an occlusion , the occlusion treatment device comprising:a catheter including a body portion having proximal and distal ends;at least one expandable element secured to the body portion of the catheter; anda material removal element extending distally from the distal end of the body portion, and including a flexible debriding member having a free distal end configured and dimensioned to contact the occlusion, and being in communication with an energy source to facilitate selective energizing of the debriding member, the catheter being dimensioned to be axially movable through the lumen, and rotatable within the lumen, such that the material removal element selectively imparts at least one of a non-mechanical energy and a mechanical energy to the occlusion to effect debriding of the occlusion.2. The occlusion treatment device of claim 1 , wherein the body portion of the catheter and the material removal element are formed from different materials.3. The occlusion treatment device of claim 1 , wherein the material comprising the material removal element is more ...

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Номер записи: 2
20-03-2014 дата публикации

DIALYSIS CATHETER ASSEMBLY

Номер: US20140081200A1
Автор: Burnes Lee C., Pruitt Sean Robert
Принадлежит: COVIDIEN LP

A catheter assembly includes an elongated main body defining two or more longitudinal lumens including distally positioned openings. One or more side-ports are defined in the main body communicating with at least one of the two or more longitudinal lumens. The catheter assembly also includes an inflatable balloon disposed around a portion of the main body. The inflatable balloon includes a distal end disposed substantially adjacent to a proximal side of one or more side-ports. The inflatable balloon in the inflated state is adapted to extend at partially over the one or more side-ports. 1. A catheter assembly comprising:an elongated main body defining a plurality of longitudinal lumens and at least one side-port in fluid communication with at least one of the plurality of longitudinal lumens; anda balloon disposed on the main body proximal to and adjacent the at least one side-port, wherein the balloon is inflatable in a distal direction to extend at least partially over the at least one side-port.2. The catheter assembly of claim 1 , wherein the plurality of longitudinal lumens includes an inflation lumen in fluid communication with the inflatable balloon claim 1 , the inflation lumen terminating proximal to the at least one side-port.3. The catheter assembly of claim 2 , wherein the plurality of longitudinal lumens further includes an aspiration lumen and a perfusion lumen claim 2 , the aspiration lumen and the perfusion lumen each extending distal to the inflation lumen.4. The catheter assembly of claim 3 , wherein the aspiration lumen and the perfusion lumen each extend to the distal end of the main body.5. The catheter assembly of claim 3 , wherein the aspiration lumen and the perfusion lumen are each D-shaped in a transverse cross-section of the elongated main body and have substantially equal cross-sectional areas.6. The catheter assembly of claim 1 , further comprising a septum disposed in the main body such that the septum and the main body define at least ...

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Номер записи: 3
18-02-2016 дата публикации

Indeflator for inflating therapeutic balloons

Номер: US20160045718A1
Автор: Phillip Shaltis, Sean Pruitt, Steven Cote
Принадлежит: COVIDIEN LP

An indeflator for inflating a therapeutic balloon. A barrel has an interior chamber that receives fluid and an outlet in fluid communication with the interior chamber. A plunger sealingly engages the interior of the barrel. The plunger is selectively movable to dispense fluid through the outlet of the barrel. A coarse inflation control assembly includes a coarse inflation actuator that rotates about a coarse rotational axis to dispense fluid through the barrel at an inverse coarse inflation rate. A fine inflation control assembly includes a fine inflation actuator selectively rotatable about a fine rotational axis to dispense fluid through the outlet at an inverse fine inflation rate. The inverse fine inflation rate is greater than the inverse coarse inflation rate.

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Номер записи: 4
11-09-2014 дата публикации

CONTROLLING CATHETER FLOW

Номер: US20140257243A1
Автор: Marsden Brent, Pruitt Sean
Принадлежит: COVIDIEN LP

A catheter assembly includes an elongate member and a balloon. The elongate member defines at least one lumen and an outer surface. The outer surface defines at least one opening in fluid communication with the at least one lumen. The balloon is disposed within the at least one lumen. The balloon is inflatable such that a portion of the balloon expands from the at least lumen through the at least one opening. The expansion of the balloon increases the flow restriction through the at least one opening compared to the flow restriction through the at least one opening when the balloon is in a deflated condition. Methods for using a catheter assembly to remove occlusive material from a catheter are also described.

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Номер записи: 5
31-12-2015 дата публикации

CONTROLLING CATHETER FLOW

Номер: US20150374953A1
Автор: Marsden Brent, Pruitt Sean
Принадлежит:

A catheter assembly includes an elongate member and a balloon. The elongate member defines at least one lumen and an outer surface. The outer surface defines at least one opening in fluid communication with the at least one lumen. The balloon is disposed within the at least one lumen. The balloon is inflatable such that a portion of the balloon expands from the at least lumen through the at least one opening. The expansion of the balloon increases the flow restriction through the at least one opening compared to the flow restriction through the at least one opening when the balloon is in a deflated condition. Methods for using a catheter assembly to remove occlusive material from a catheter are also described. 117-. (canceled)18. A method for removing occlusive material from a catheter , the method comprising:delivering inflation fluid to a balloon disposed within at least one lumen defined by an elongate member of a catheter;expanding the balloon to at least partially extend through at least one opening defined by an outer surface of the elongate member; andclearing occlusive material from the at least one opening.19. The method of claim 18 , wherein expanding the balloon includes expanding the balloon to extend at least one of radially and distally beyond the at least one opening in a direction toward an outer surface of the elongate member.20. The method of claim 18 , further comprising occluding the at least one opening with the balloon upon inflation of the balloon.21. The method of claim 20 , further comprising maintaining the balloon in an inflated state to prevent flow of fluid through the at least one opening.22. The method of claim 21 , wherein delivering inflation fluid to the balloon includes:filling the balloon with saline until the balloon expands to a volume sufficient to clear occlusive material from the at least one opening and to completely occlude the at least one opening.23. The method of claim 18 , further comprising deflating the balloon. This ...

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Номер записи: 6
16-06-2015 дата публикации

Apparatus and method for removing occlusive tissue

Номер: US9056191B2
Автор: Arnaz Malhi, Sean Pruitt, Terri Kapur
Принадлежит: COVIDIEN LP

A tissue treatment apparatus for restoring patency in a body vessel is provided. The tissue treatment apparatus includes an elongated catheter dimensioned for insertion within a body vessel having an at least partial occlusion. Proximal and distal expandable segments are mounted to the elongated catheter and are positionable adjacent the occlusion and are configured to transition from a first condition to a second expanded condition. A mesh in operative engagement with the proximal and distal expandable segments is expandable radially outwardly from the catheter upon corresponding transition of the proximal and distal expandable segments to the second condition. The mesh includes a conductive material adapted to transmit electrosurgical energy to treat and facilitate removal of the occlusion, to thereby assist in restoring patency within the body vessel.

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Номер записи: 7
27-12-2012 дата публикации

Dialysis Catheter Assembly

Номер: US20120330231A1
Автор: Lee Burnes, Sean Robert Pruitt
Принадлежит: TYCO HEALTHCARE GROUP LP

A catheter assembly includes an elongated main body defining two or more longitudinal lumens including distally positioned openings. One or more side-ports are defined in the main body communicating with at least one of the two or more longitudinal lumens. The catheter assembly also includes an inflatable balloon disposed around a portion of the main body. The inflatable balloon includes a distal end disposed substantially adjacent to a proximal side of one or more side-ports. The inflatable balloon in the inflated state is adapted to extend at partially over the one or more side-ports.

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Номер записи: 8
11-10-2016 дата публикации

Controlling catheter flow

Номер: US09463300B2
Автор: Brent Marsden, Sean Pruitt
Принадлежит: COVIDIEN LP

A catheter assembly includes an elongate member and a balloon. The elongate member defines at least one lumen and an outer surface. The outer surface defines at least one opening in fluid communication with the at least one lumen. The balloon is disposed within the at least one lumen. The balloon is inflatable such that a portion of the balloon expands from the at least lumen through the at least one opening. The expansion of the balloon increases the flow restriction through the at least one opening compared to the flow restriction through the at least one opening when the balloon is in a deflated condition. Methods for using a catheter assembly to remove occlusive material from a catheter are also described.

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Номер записи: 9