Patents Assigned to Credence Medsystems, Inc.
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Patent number: 10912895Abstract: 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.Type: GrantFiled: May 21, 2018Date of Patent: February 9, 2021Assignee: CREDENCE MEDSYSTEMS, INC.Inventors: Stephen H. Diaz, Alan E. Shluzas, John F. Shanley, Jeff Tillack, John Merhige, Frank Litvack, Dan Thayer
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Patent number: 10912894Abstract: 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.Type: GrantFiled: November 1, 2017Date of Patent: February 9, 2021Assignee: CREDENCE MEDSYSTEMS, INC.Inventors: Alan E. Shluzas, Mina M. Leung, Stephen H. Diaz, Jeff Tillack
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Patent number: 10864330Abstract: A system for mixing drug products and injecting includes a syringe body, proximal and distal stopper members disposed in the syringe body, a plunger member, and a needle hub assembly coupled to the distal needle interface of the syringe body. The proximal and distal stopper members form a proximal drug chamber between there between and a distal drug chamber between the distal stopper member and a distal end of the syringe body. The plunger member includes a needle retention feature, an energy-storage member, and an energy-storage member latching member all disposed in disposed in a plunger interior. First and second sizes of the respective proximal and distal drug chambers can be modified by movement of the proximal and distal stopper members relative to the syringe body. The needle is at least partially retractable into plunger interior upon manipulation of the plunger member relative to the syringe body.Type: GrantFiled: November 1, 2017Date of Patent: December 15, 2020Assignee: CREDENCE MEDSYSTEMS, INC.Inventors: Gary Steese-Bradley, Stephen H. Diaz, Alan E. Shluzas, John F. Shanley, Jeff Tillack, Dan Thayer, John Merhige
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Patent number: 10660823Abstract: An assembly for mixing drug components includes a housing to at least partially hold a first drug component container and a second drug component container. The assembly also includes a transfer member having first and second ends to fluidly couple the respective first and second drug component containers. The assembly further includes a pressure member to fluidly couple the first drug component container to a pressure generation chamber. In addition, the assembly includes an energy storage member to generate pressure in the pressure generation chamber to transfer a fluid from the first drug component container into the second drug component container. Moreover, the assembly includes an exit member to fluidly couple the second drug component container to an exterior of the assembly.Type: GrantFiled: January 27, 2017Date of Patent: May 26, 2020Assignee: CREDENCE MEDSYSTEMS, INC.Inventors: Alan E. Shluzas, Stephen H. Diaz
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Publication number: 20200147322Abstract: In one embodiment, 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 stopper member disposed in the syringe interior. Moreover, the system includes a plunger member coupled to the stopper member. In addition, the system includes a finger flange removably coupled to the syringe flange, the finger flange including a proximally directed screw. The system also includes a rotatable member disposed on the proximally directed screw, the rotatable member defining a rotatable member opening through which the plunger member is disposed and having an elastic latch disposed adjacent the rotatable member opening.Type: ApplicationFiled: November 13, 2019Publication date: May 14, 2020Applicant: CREDENCE MEDSYSTEMS, INC.Inventors: Stephen H. Diaz, Alan E. Shluzas
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Publication number: 20200147323Abstract: 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.Type: ApplicationFiled: November 13, 2019Publication date: May 14, 2020Applicant: CREDENCE MEDSYSTEMS, INC.Inventors: Conor Edward Shanley, Alan E. Shluzas, Mina M. Leung, Stephen H. Diaz
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Publication number: 20200061306Abstract: One embodiment is directed to a safety syringe system, comprising: an off-the-shelf syringe assembly comprising a syringe body and a plunger tip; a needle assembly removably coupleable to the distal end of the syringe body such that medicinal fluid may be transferred through a retractable needle coupled to a needle housing comprising the needle assembly upon insertion of the plunger tip relative to the syringe body; and a plunger control assembly coupled to the plunger tip and configured to facilitate manual insertion of the plunger tip relative to the syringe body; wherein upon insertion of the plunger tip to a final insertion state and release of an associated manual insertion load, the plunger tip may be proximally withdrawn, pulling the retractable needle proximally relative to the needle housing to a safe locked and retracted state wherein it is no longer exposed for injection.Type: ApplicationFiled: July 3, 2019Publication date: February 27, 2020Applicant: CREDENCE MEDSYSTEMS, INC.Inventors: Stephen H. Diaz, John F. Shanley, Alan E. Shluzas, Jeff Tillack, Dan Thayer
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Publication number: 20190374716Abstract: A system for serially injecting liquids includes a syringe body, proximal and distal stopper members disposed in the syringe body, a first liquid in a distal chamber, a second liquid in a proximal chamber, a plunger member, and a needle hub assembly coupled to a distal needle interface of the syringe body. The plunger member includes a needle retention feature disposed in a plunger interior, an energy-storage member disposed in the plunger interior, and an energy-storage member latching member disposed in the plunger interior. 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. Manipulating the plunger member to insert the proximal stopper member distally relative to the syringe body initially expels the first liquid, then the second liquid. The needle is at least partially retractable into plunger interior.Type: ApplicationFiled: June 7, 2019Publication date: December 12, 2019Applicant: CREDENCE MEDSYSTEMS, INC.Inventors: Stephen H. Diaz, Jeff Tillack, Alan E. Shluzas, John F. Shanley, Dan Thayer, Gary Steese-Bradley, John Merhige
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Publication number: 20190344021Abstract: 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; a needle having proximal and distal ends, the proximal end comprising an anchoring geometry configured to be at least partially penetrated 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; and an energy-storing member operatively coupled between the stopper member and the syringe body, the energy-storing member configured to facilitate retraction of the stopper member relative to the syringe body.Type: ApplicationFiled: May 23, 2019Publication date: November 14, 2019Applicant: CREDENCE MEDSYSTEMS, INC.Inventors: Alan E. Shluzas, Stephen H. Diaz, John F. Shanley, Jeff Tillack, Dan Thayer
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Patent number: 10350368Abstract: One embodiment is directed to a safety syringe system, comprising: an off-the-shelf syringe assembly comprising a syringe body and a plunger tip; a needle assembly removably coupleable to the distal end of the syringe body such that medicinal fluid may be transferred through a retractable needle coupled to a needle housing comprising the needle assembly upon insertion of the plunger tip relative to the syringe body; and a plunger control assembly coupled to the plunger tip and configured to facilitate manual insertion of the plunger tip relative to the syringe body; wherein upon insertion of the plunger tip to a final insertion state and release of an associated manual insertion load, the plunger tip may be proximally withdrawn, pulling the retractable needle proximally relative to the needle housing to a safe locked and retracted state wherein it is no longer exposed for injection.Type: GrantFiled: March 14, 2018Date of Patent: July 16, 2019Assignee: CREDENCE MEDSYSTEMS, INC.Inventors: Stephen H. Diaz, John F. Shanley, Alan E. Shluzas, Jeff Tillack, Dan Thayer
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Patent number: 10300217Abstract: 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; a needle having proximal and distal ends, the proximal end comprising an anchoring geometry configured to be at least partially penetrated 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; and an energy-storing member operatively coupled between the stopper member and the syringe body, the energy-storing member configured to facilitate retraction of the stopper member relative to the syringe body.Type: GrantFiled: November 17, 2014Date of Patent: May 28, 2019Assignee: CREDENCE MEDSYSTEMS, INC.Inventors: Alan E. Shluzas, Stephen H. Diaz, John F. Shanley, Jeff Tillack, Dan Thayer
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Publication number: 20190125975Abstract: 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.Type: ApplicationFiled: December 27, 2018Publication date: May 2, 2019Applicant: CREDENCE MEDSYSTEMS, INC.Inventors: Alan E. Shluzas, Stephen H. Diaz, John F. Shanley, Jeff Tillack, Dan Thayer, Gary Steese-Bradley
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Patent number: 10173010Abstract: 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.Type: GrantFiled: December 1, 2015Date of Patent: January 8, 2019Assignee: CREDENCE MEDSYSTEMS, INC.Inventors: Alan E. Shluzas, Stephen H. Diaz, John F. Shanley, Jeff Tillack, Dan Thayer, Gary Steese-Bradley
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Publication number: 20180361080Abstract: 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.Type: ApplicationFiled: June 18, 2018Publication date: December 20, 2018Applicant: Credence Medsystems, Inc.Inventors: Stephen H. Diaz, Alan E. Shluzas
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Publication number: 20180333543Abstract: 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.Type: ApplicationFiled: May 21, 2018Publication date: November 22, 2018Applicant: Credence Medsystems, Inc.Inventors: Stephen H. Diaz, Alan E. Shluzas, John F. Shanley, Jeff Tillack, John Merhige, Frank Litvack, Dan Thayer
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Publication number: 20180296770Abstract: One embodiment is directed to a safety syringe system, comprising: an off-the-shelf syringe assembly comprising a syringe body and a plunger tip; a needle assembly removably coupleable to the distal end of the syringe body such that medicinal fluid may be transferred through a retractable needle coupled to a needle housing comprising the needle assembly upon insertion of the plunger tip relative to the syringe body; and a plunger control assembly coupled to the plunger tip and configured to facilitate manual insertion of the plunger tip relative to the syringe body; wherein upon insertion of the plunger tip to a final insertion state and release of an associated manual insertion load, the plunger tip may be proximally withdrawn, pulling the retractable needle proximally relative to the needle housing to a safe locked and retracted state wherein it is no longer exposed for injection.Type: ApplicationFiled: March 14, 2018Publication date: October 18, 2018Applicant: Credence MedSystems, Inc.Inventors: Stephen H. Diaz, John F. Shanley, Alan E. Shluzas, Jeff Tillack, Dan Thayer
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Patent number: 10010677Abstract: 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.Type: GrantFiled: April 24, 2015Date of Patent: July 3, 2018Assignee: CREDENCE MEDSYSTEMS, INC.Inventors: Alan E. Shluzas, Stephen H. Diaz, John F. Shanley, Jeff Tillack, Dan Thayer, Gary Steese-Bradley
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Publication number: 20180161518Abstract: 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.Type: ApplicationFiled: November 1, 2017Publication date: June 14, 2018Applicant: Credence MedSystems, Inc.Inventors: Alan E. Shluzas, Stephen H. Diaz, John F. Shanley, Jeff Tillack, Dan Thayer, Gary Steese-Bradley, Mina M. Leung
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Publication number: 20180133408Abstract: 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. 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 at least partially retractable into plunger interior. The needle proximal end feature includes an annular distally facing surface.Type: ApplicationFiled: November 1, 2017Publication date: May 17, 2018Applicant: Credence MedSystems, Inc.Inventors: Alan E. Shluzas, Stephen H. Diaz, John F. Shanley, Scott Segelke, John Merhige
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Publication number: 20180117261Abstract: A system for mixing drug products and injecting includes a syringe body, proximal and distal stopper members disposed in the syringe body, a plunger member, and a needle hub assembly coupled to the distal needle interface of the syringe body. The proximal and distal stopper members form a proximal drug chamber between there between and a distal drug chamber between the distal stopper member and a distal end of the syringe body. The plunger member includes a needle retention feature, an energy-storage member, and an energy-storage member latching member all disposed in disposed in a plunger interior. First and second sizes of the respective proximal and distal drug chambers can be modified by movement of the proximal and distal stopper members relative to the syringe body. The needle is at least partially retractable into plunger interior upon manipulation of the plunger member relative to the syringe body.Type: ApplicationFiled: November 1, 2017Publication date: May 3, 2018Applicant: Credence MedSystems, Inc.Inventors: Gary Steese-Bradley, Stephen H. Diaz, Alan E. Shluzas, John F. Shanley, Jeff Tillack, Dan Thayer, John Merhige