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公开(公告)号：US11975181B2
公开(公告)日：2024-05-07
申请号：US16837835
申请日：2020-04-01
发明人： Mina M. Leung , Jeff Tillack , Stephen H. Diaz , Alan E. Shluzas
CPC分类号： A61M5/3293 , A61M5/3134 , A61M5/3148 , A61M5/347 , A61M2005/3131 , A61M2005/3208 , A61M2207/10 , C08L53/00
摘要： An injection system includes a molded body member having a body connection member at a distal end of the molded body member. The system also includes a needle hub assembly coupled to the distal end of the molded body member. The needle hub assembly includes a needle hub coupled to the body connection member of the molded body member, a needle coupled to the needle hub, and a barbed band disposed around a proximal end of the needle hub and having a barb. The barbed band allows rotation of the needle hub assembly relative to the body connection member in a first direction, while preventing rotation of the needle hub assembly relative to the body connection member in a second direction.
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公开(公告)号：US11964141B2
公开(公告)日：2024-04-23
申请号：US17403095
申请日：2021-08-16
发明人： Stephen H. Diaz , Alan E. Shluzas
CPC分类号： A61M5/36 , A61F9/0017 , A61M5/3135 , A61M5/3137 , A61M5/3146 , A61M5/31505 , A61M5/31511 , A61M5/31515 , A61M5/31531 , A61M5/3157 , A61M5/347 , A61M2005/3143 , A61M2205/0216 , A61M2205/581 , A61M2205/582 , A61M2205/583 , A61M2205/584
摘要： A system for injecting includes a syringe body having proximal and distal ends, a syringe interior, and a syringe flange at the proximal end thereof. The system also includes a stopper member disposed in the syringe interior. The system further includes a plunger member coupled to the stopper member. The plunger member includes a rotatable member configured to insert the stopper member distally in the syringe interior relative to the syringe body with rotation of the rotatable member. The plunger member further includes a proximal portion proximal of the rotatable member configured to be moved distally to also insert the stopper member distally in the syringe interior relative to the syringe body to eject about microliters of fluid from the syringe interior.
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公开(公告)号：US20240115801A1
公开(公告)日：2024-04-11
申请号：US18377601
申请日：2023-10-06
CPC分类号： A61M5/14593 , A61M5/16881 , A61M5/3293 , A61M2005/3109
摘要： An injection system includes an injection system body defining a proximal opening at a proximal end thereof and a distal needle interface at a distal end thereof. The system also includes proximal and distal stopper members disposed in the injection system body, forming a proximal drug and a distal drug chamber. The system further includes a plunger member configured to insert the proximal stopper member relative to the injection system body. Moreover, the system includes a valve forming an openable barrier between the distal needle interface and the distal drug chamber. The valve includes an outer member including a distal diaphragm, and an inner member. The distal diaphragm is configured to elastically deform distally away from the inner member with increased pressure in the distal drug chamber to allow flow from the distal drug chamber to the distal needle interface.
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公开(公告)号：US20240017012A1
公开(公告)日：2024-01-18
申请号：US18222579
申请日：2023-07-17
CPC分类号： A61M5/31501 , A61M5/3137 , A61M2005/31508
摘要： A system for fluid delivery includes a syringe body having proximal and distal ends, a syringe interior, and a syringe flange at the proximal end thereof. The system further includes a finger flange coupled to the syringe flange. Moreover, the system includes a stopper member disposed in the syringe interior. In addition, the system includes a plunger member coupled to the stopper member and having a ratchet portion. The system also includes a push member disposed coaxially around at least a portion of the plunger member and operatively coupled thereto, the push member having an outer telescoping member disposed at a proximal end thereof. The system further includes an inner telescoping member disposed slidably and at least partially in the outer telescoping member and operatively couple thereto. Moreover, the system includes a thumbpad disposed coupled to a proximal end of the inner telescoping member.
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公开(公告)号：US20210236742A1
公开(公告)日：2021-08-05
申请号：US17169806
申请日：2021-02-08
发明人： Stephen H. Diaz , Alan E. Shluzas , John F. Shanley , Jeff Tillack , John Merhige , Frank Litvack , Dan Thayer
摘要： A system for measuring injection of a liquid medicine includes a syringe body having proximal and distal ends, a syringe interior, and a syringe flange at the proximal end thereof. The system also includes a stopper member disposed in the syringe interior. The system further includes a plunger member coupled to the stopper member and configured to be manipulated to insert the stopper member distally in the syringe interior relative to the syringe body. Moreover, the system includes a needle coupled to the syringe body at the distal end thereof. In addition, the system includes a sensor flange removably coupled to a syringe body. The sensor flange includes a sensor to measure an injection characteristic and a processor to analyze the injection characteristic to determine an occurrence of an injection event.
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公开(公告)号：US20210085891A1
公开(公告)日：2021-03-25
申请号：US17031108
申请日：2020-09-24
摘要： A syringe assembly includes a syringe body, needle assembly, retaining clip, gasket, needle latch, and needle hub. The syringe body has a syringe interior, longitudinal axis, proximal and distal ends, and needle attachment interface disposed at the distal end thereof. The gasket is configured to be compressed to provide a liquid-tight seal around an outer diameter of the needle assembly and the distal end of the syringe body. The needle latch assembly includes first and second latching tabs configured to retain the needle assembly in a close state and to be plastically deformed to an open state to release the needle assembly, and a gasket backstop configured to provide a flat surface for compression of the gasket, where the first and second latching tabs are spaced apart from the gasket such that neither of the first and second latching tabs contact the gasket during compression of the gasket.
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公开(公告)号：US10926038B2
公开(公告)日：2021-02-23
申请号：US15801239
申请日：2017-11-01
发明人： Alan E. Shluzas , Stephen H. Diaz , John F. Shanley , Jeff Tillack , Dan Thayer , Gary Steese-Bradley , Mina M. Leung
摘要： A system for injecting includes a syringe body defining a proximal opening and a distal needle interface. The system also includes a plunger member defining a plunger interior and configured to be manually manipulated to insert a stopper member relative to the syringe body. The plunger member includes a needle retention feature disposed in the plunger interior, an energy-storage member disposed in the plunger interior, and an energy-storage member latching member disposed in the plunger interior. The system further includes a needle hub assembly coupled to the distal needle interface of the syringe body. The needle assembly includes a needle having a needle proximal end feature, a hub, and a needle latching member configured to couple the needle to the hub. The needle is retractable into plunger interior upon manipulation of the plunger member to actuate the energy-storage member latching member.
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公开(公告)号：US10926036B2
公开(公告)日：2021-02-23
申请号：US16234054
申请日：2018-12-27
发明人： Alan E. Shluzas , Stephen H. Diaz , John F. Shanley , Jeff Tillack , Dan Thayer , Gary Steese-Bradley
摘要： One embodiment is directed to a system for injecting, comprising a syringe body defining an interior medicine chamber; a stopper member configured to be inserted into the interior medicine chamber to contain medicine within the medicine chamber; a plunger member configured to be manually manipulated to insert the stopper member relative to the syringe body; and a needle having proximal and distal ends, the proximal end comprising an anchoring geometry configured to be at least partially inserted into the stopper member such that upon retraction of the stopper member, the needle is pulled proximally along with the stopper to be at least partially contained within the interior medicine chamber.
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公开(公告)号：US10912894B2
公开(公告)日：2021-02-09
申请号：US15801281
申请日：2017-11-01
发明人： Alan E. Shluzas , Mina M. Leung , Stephen H. Diaz , Jeff Tillack
摘要： A system for injecting includes a cartridge body defining a proximal opening and a distal needle interface. The system also includes a plunger member defining a plunger interior and configured to be manually manipulated to insert a stopper member relative to the cartridge body. The plunger member includes a needle retention feature disposed in the plunger interior, an energy-storage member disposed in the plunger interior, and an energy-storage member latching member disposed in the plunger interior. The system further includes a needle hub assembly coupled to the distal needle interface of the cartridge body. The needle assembly includes a needle having a needle proximal end feature, a hub, and a needle latching member configured to couple the needle to the hub. The needle is retractable into plunger interior upon manipulation of the plunger member to actuate the energy-storage member latching member.
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公开(公告)号：US20200147323A1
公开(公告)日：2020-05-14
申请号：US16683157
申请日：2019-11-13
摘要： A system for injecting includes a syringe body having proximal and distal ends, a syringe interior, and a syringe flange at the proximal end thereof. The system also includes an injectable fluid disposed in the syringe interior. The system further includes a finger flange coupled to the syringe flange. Moreover, the system includes a stopper member disposed in the syringe interior. In addition, the system includes a plunger ratchet member coupled to the stopper member. The system also includes a plunger tube disposed coaxially around at least a portion of the plunger ratchet member and operatively coupled thereto.
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