Patents by Inventor Chang JIANG
Chang JIANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250209954Abstract: An electronic display including a display panel that includes a plurality of display pixels having non-uniform luminance characteristics. The electronic display also includes pixel uniformity correction circuitry configured to compensate for the non-uniform luminance characteristics of the display pixels based on a pixel luminance correction factor selected based on pixel group luminance error patterns corresponding to locations of the display pixels.Type: ApplicationFiled: October 31, 2024Publication date: June 26, 2025Inventors: Chang-Jiang Chen, Suraj P. Gorkhali, Patrick R. Cruce, Nicolas Le Dortz, Yanming Li, Hyunwoo Nho, Fangwang Gou, Hao Yang, Heesang Suh, Jun Qi, Mookyung Son
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Patent number: 12329924Abstract: A device for connection to a medical connector, the device includes a cap having an annular wall having an exterior wall surface and an interior wall surface including a plurality of inwardly extending protrusions sized and shaped to frictionally engage a male luer, and a peelable seal. The cap configured to define a chamber to contain an absorbent material and disinfectant or antimicrobial agent. The cap includes one or more threads adapted to engage with a female luer connector. The cap is adapted to engage a male luer connector in a press-fit connection. The peelable seal prevents the disinfectant or the antimicrobial agent from exiting the chamber. Also described are methods of disinfecting a medical connector, and apparatuses comprising a device for disinfecting a medical connector.Type: GrantFiled: April 9, 2019Date of Patent: June 17, 2025Assignee: Becton, Dickinson and CompanyInventors: Chang Jiang, Nichola Charles
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Patent number: 12329925Abstract: A cap for connection to a medical connector comprises: a housing, a protrusion, a disinfection sponge, and a pressure seal. The protrusion includes an inner thread on an inner surface, the inner thread being sufficient to interlock with a mating feature of a female medical connector. The inner surface of the protrusion defines a second cavity. The protrusion includes an outer thread on an outer surface, the outer thread being sufficient to interlock with a mating feature of a male medical connector. The disinfection sponge is disposed on the second cavity. The pressure seal is attached to the housing and disposed adjacent to a surface of the disinfection sponge. The pressure seal can comprise a flexible insert attached to an interior surface of the top wall of the housing. The pressure seal can comprise a combination of: an elongate member and an insert that is slidably engaged with the elongate member.Type: GrantFiled: August 5, 2020Date of Patent: June 17, 2025Assignee: Becton, Dickinson and CompanyInventors: Chang Jiang, Saravanababu Murugesan
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Publication number: 20250073442Abstract: A device for connection to a medical connector, the device includes a cap body, a coupling cylinder adapted to engage with a male luer connector and a female luer connector, a bulb compartment filled with air, a reagent compartment filled with disinfectant or an antimicrobial reagent, and a passageway connecting the bulb compartment to the reagent compartment. The reagent compartment includes an exterior wall surface, an interior wall surface, an array of resealable pores densely integrated throughout the exterior wall surface and the interior wall surface of the reagent compartment, and a distal tip. The passageway may be positioned in an aperture of the proximal wall of the cap body. The coupling cylinder may include an O-ring.Type: ApplicationFiled: November 20, 2024Publication date: March 6, 2025Applicant: Becton, Dickinson and CompanyInventor: Chang Jiang
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Publication number: 20250063282Abstract: Aspects of the subject technology relate to electronic devices having speakers. An electronic device may operate a pair of speakers to in a way that mitigates electromagnetic interference with a display of the electronic device. For example, the speakers may be operated acoustically and mechanically in phase, and electrically out of phase, to mitigates interference with a display of the electronic device.Type: ApplicationFiled: August 14, 2023Publication date: February 20, 2025Inventors: Aneesh R. KUDEKAR, Chang-Jiang CHEN, Mohammad Reza ESMAEILI RAD, Stuart M. NEVILL, Youchul JEONG, Yanghee KIM
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Patent number: 12186521Abstract: A device for connection to a medical connector, the device includes a cap body, a coupling cylinder adapted to engage with a male luer connector and a female luer connector, a bulb compartment filled with air, a reagent compartment filled with disinfectant or an antimicrobial reagent, and a passageway connecting the bulb compartment to the reagent compartment. The reagent compartment includes an exterior wall surface, an interior wall surface, an array of resealable pores densely integrated throughout the exterior wall surface and the interior wall surface of the reagent compartment, and a distal tip. The passageway may be positioned in an aperture of the proximal wall of the cap body. The coupling cylinder may include an O-ring.Type: GrantFiled: September 12, 2019Date of Patent: January 7, 2025Assignee: Becton, Dickinson and CompanyInventor: Chang Jiang
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Publication number: 20240335580Abstract: A disinfection cap is described for connection to a medical connector, the disinfection cap including a housing having a top wall and sidewall forming a cavity, a blockage feature disposed on the top wall of the cavity, the blockage feature for fluidly blocking a hub of a luer connector, disinfectant or antimicrobial agent disposed within an open cell foam structure within the cavity. The open cell foam structure releasing the disinfectant or antimicrobial agent as the open cell foam structure is depressed by the hub of the luer connector.Type: ApplicationFiled: June 17, 2024Publication date: October 10, 2024Applicant: Becton, Dickinson and CompanyInventors: Chang Jiang, Narasinha C. Parasnis, Amir Harandi
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Patent number: 12098785Abstract: A cap is described for connection to a medical connector, the cap includes a housing having a top wall and sidewall forming a first cavity, and a removable or integrally formed protrusion. The protrusion includes an inner thread on an inner surface, the inner thread being sufficient to interlock with a mating feature of a female needleless connector. The inner surface of the protrusion defines a second cavity. The protrusion includes an outer thread on an outer surface, the outer thread being sufficient to interlock with a mating feature of a male needleless connector. The second cavity configured to define a chamber to contain an absorbent material and disinfectant or antimicrobial agent. The cap may also include a peel seal and/or septum to prevent the disinfectant or the antimicrobial agent from exiting the second cavity. An exterior sidewall surface of the housing may include a plurality of grip members.Type: GrantFiled: April 27, 2022Date of Patent: September 24, 2024Assignee: Becton, Dickinson and CompanyInventors: Paul P. Marici, Kevin M. Ryan, Chang Jiang, Michael Kwong Chan
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Publication number: 20240299725Abstract: A disinfection cap is described for connection to a medical connector; the disinfection cap includes a housing having a top wall and sidewall forming a cavity. In one or more embodiments, a retention rod forming a fluid reservoir is disposed within the cavity for retaining disinfectant. In one or more embodiments, a corrugated capsule is disposed within the cavity for retaining disinfectant. Pressure buildup within the cavity due to insertion of a luer connector causes expulsion of disinfectant, thereby disinfecting the luer connector.Type: ApplicationFiled: May 21, 2024Publication date: September 12, 2024Applicant: Becton, Dickinson and CompanyInventors: Chang Jiang, Amir Harandi, Paul P. Marici, Jiayu Liu
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Patent number: 12076522Abstract: A device for connection to a medical connector, the device includes an outer cap, an inner cap and a peelable seal. The outer cap configured to define a chamber to contain an absorbent material and disinfectant or antimicrobial agent. The outer cap including one or more threads adapted to engage with a female luer connector. The inner cap including one or more thread-tabs adapted to engage a male luer connector. The peelable seal prevents the disinfectant or the antimicrobial agent from exiting the chamber.Type: GrantFiled: February 4, 2022Date of Patent: September 3, 2024Assignee: Becton, Dickinson and CompanyInventors: Nicholas Erekovcanski, Chang Jiang, Paul Marici
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Publication number: 20240245900Abstract: A disinfection cap is described for connection to a medical connector, the disinfection cap includes a housing having a top wall and sidewall forming a cavity, an open cell foam structure disposed within the cavity and a closed cell foam structure disposed against the open cell foam structure, the closed cell foam structure having an interference fit between the closed cell foam structure and the inner surface of the housing. The closed cell foam structure may have a polygonal or star shape, wherein fluid can flow through a gap formed between the closed cell foam structure and the inner surface of the cavity. The open cell foam structure may be impregnated with disinfectant, whereby compression of the open cell foam structure causes excretion of the disinfectant upon insertion of a luer connector.Type: ApplicationFiled: April 5, 2024Publication date: July 25, 2024Applicant: Becton, Dickinson and CompanyInventors: Chang Jiang, Amir Harandi, Jiayu Liu
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Patent number: 12029828Abstract: A disinfection cap is described for connection to a medical connector, the disinfection cap including a housing having a top wall and sidewall forming a cavity, a blockage feature disposed on the top wall of the cavity, the blockage feature for fluidly blocking a hub of a luer connector, disinfectant or antimicrobial agent disposed within an open cell foam structure within the cavity. The open cell foam structure releasing the disinfectant or antimicrobial agent as the open cell foam structure is depressed by the hub of the luer connector.Type: GrantFiled: February 24, 2021Date of Patent: July 9, 2024Assignee: Becton, Dickinson and CompanyInventors: Chang Jiang, Narasinha C. Parasnis, Amir Harandi
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Publication number: 20240207596Abstract: A disinfection cap is described for connection to a medical connector, the disinfection cap includes a housing having a top wall and sidewall forming a cavity, disinfectant or antimicrobial agent and a ball disposed within the cavity. An outer surface of the housing includes a thread sufficient to interlock with a mating feature of a threaded connector, or more specifically a male luer connector. The cap may also include a peelable seal to prevent the disinfectant or the antimicrobial agent from exiting the cavity. The cavity of the cap may also include one or more ribs disposed on the inner surface of the cavity to retain the ball in the cavity, forming a flow channel as the ball is depressed further into the cavity. An exterior sidewall surface of the housing may include a plurality of grip members.Type: ApplicationFiled: March 5, 2024Publication date: June 27, 2024Applicant: Becton, Dickinson and CompanyInventors: Edward P. Browka, Chang Jiang, Amir Harandi, Tom Moskal, Jiayu Liu, Narasinha C. Parasnis
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Patent number: 12005222Abstract: A device for connection to a medical connector, the device includes a cap, a container and a peelable seal. The cap configured to define a chamber to contain an absorbent material and disinfectant or antimicrobial agent. The cap includes one or more threads adapted to engage with a female luer connector. The cap is adapted to engage a male luer connector in a press-fit connection. The peelable seal prevents the disinfectant or the antimicrobial agent from exiting the chamber.Type: GrantFiled: April 9, 2019Date of Patent: June 11, 2024Assignee: Becton, Dickinson and CompanyInventors: Chang Jiang, Nichola Charles
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Patent number: 12005223Abstract: A disinfection cap is described for connection to a medical connector; the disinfection cap includes a housing having a top wall and sidewall forming a cavity. In one or more embodiments, a retention rod forming a fluid reservoir is disposed within the cavity for retaining disinfectant. In one or more embodiments, a corrugated capsule is disposed within the cavity for retaining disinfectant. Pressure buildup within the cavity due to insertion of a luer connector causes expulsion of disinfectant, thereby disinfecting the luer connector.Type: GrantFiled: April 13, 2021Date of Patent: June 11, 2024Assignee: Becton, Dickinson and CompanyInventors: Chang Jiang, Amir Harandi, Paul P. Marici, Jiayu Liu
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Patent number: 11975168Abstract: A disinfection cap is described for connection to a medical connector, the disinfection cap includes a housing having a top wall and sidewall forming a cavity, disinfectant or antimicrobial agent and a ball disposed within the cavity. An outer surface of the housing includes a thread sufficient to interlock with a mating feature of a threaded connector, or more specifically a male luer connector. The cap may also include a peelable seal to prevent the disinfectant or the antimicrobial agent from exiting the cavity. The cavity of the cap may also include one or more ribs disposed on the inner surface of the cavity to retain the ball in the cavity, forming a flow channel as the ball is depressed further into the cavity. An exterior sidewall surface of the housing may include a plurality of grip members.Type: GrantFiled: October 26, 2020Date of Patent: May 7, 2024Assignee: Becton, Dickinson and CompanyInventors: Edward P. Browka, Chang Jiang, Amir Harandi, Tom Moskal, Jiayu Liu, Narasinha C. Parasnis
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Publication number: 20240139493Abstract: Provided herein is a disinfecting device including a container containing a chlorhexidine-based solution having a chlorhexidine concentration of from 0.2-2.0% wt/vol. Provided also is a medical connector disinfected with the disinfecting device. A method of disinfecting a medical connector using the disinfecting device is also disclosed.Type: ApplicationFiled: November 2, 2022Publication date: May 2, 2024Inventors: Kevin M. Ryan, Andrew Woodbridge Van Cott, Richard Bradley Timmers, Shoshana San Solo, Shishir Prasad, Narasinha C. Parasnis, Anurag Mathur, Chang Jiang, Kelsey Ann Graves, Joseph J. Dajcs, Qin Chen
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Publication number: 20240139494Abstract: A disinfecting cap is described including a housing, a protrusion and a cap cover, the housing including a top wall, an essentially cylindrical sidewall forming a first cavity, and an open bottom end opposite the top wall formed by the cylindrical sidewall with an opening to the first cavity within the housing for receiving a hub of a female needleless connector or a male needleless connector, wherein the protrusion is positioned within the first cavity and includes an inner surface, an outer surface and an end distal the top wall of the housing, the inner surface of the protrusion defining a second cavity, and wherein the outer surface of the protrusion and an inner surface of the essentially cylindrical sidewall define a gap therebetween, and the cap cover is dimensioned and positioned to cover at least a portion of the gap between the outer surface of the protrusion and the inner surface of the housing.Type: ApplicationFiled: December 15, 2023Publication date: May 2, 2024Applicant: Becton, Dickinson and CompanyInventor: Chang Jiang
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Patent number: 11969572Abstract: A disinfection cap is described for connection to a medical connector, the disinfection cap includes a housing having a top wall and sidewall forming a cavity, an open cell foam structure disposed within the cavity and a closed cell foam structure disposed against the open cell foam structure, the closed cell foam structure having an interference fit between the closed cell foam structure and the inner surface of the housing. The closed cell foam structure may have a polygonal or star shape, wherein fluid can flow through a gap formed between the closed cell foam structure and the inner surface of the cavity. The open cell foam structure may be impregnated with disinfectant, whereby compression of the open cell foam structure causes excretion of the disinfectant upon insertion of a luer connector.Type: GrantFiled: April 13, 2021Date of Patent: April 30, 2024Assignee: Becton, Dickinson and CompanyInventors: Chang Jiang, Amir Harandi, Jiayu Liu
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Patent number: D1056167Type: GrantFiled: May 13, 2021Date of Patent: December 31, 2024Assignee: Foshan Youbu Medical Equipment Co., Ltd.Inventor: Chang Jiang