Patents by Inventor Ji-Feng Chen
Ji-Feng Chen 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: 20240314189Abstract: The present disclosure discloses an audio communication method having two-way high quality audio transmission mechanism that includes steps outlined below. Communication between an audio communication apparatus and an external audio communication apparatus is performed to establish an audio link. An ability negotiation process is performed to determine the external audio communication apparatus supports ACL link technology. A coding negotiation process is performed to negotiate an audio encoding and decoding parameter. An audio delay negotiation process is performed to provide a first audio data delay parameter to the external audio communication apparatus and retrieve a second audio data delay parameter from the external audio communication apparatus to further determine an actual audio data delay parameter. A two-way audio transmission is performed according to the audio encoding and decoding parameter and the actual audio data delay parameter with the external audio communication apparatus.Type: ApplicationFiled: March 11, 2024Publication date: September 19, 2024Inventors: Wei-Feng Mao, Zhu-Wei Lu, Ji-Dong Chen, Zuo-Min Li
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Publication number: 20240099840Abstract: A method is provided for implanting a valve having at least one valve leaflet within the cardiovascular system of a subject. One step of the method includes preparing a substantially dehydrated bioprosthetic valve and then providing an expandable support member having oppositely disposed first and second ends and a main body portion extending between the ends. Next, the substantially dehydrated bioprosthetic valve is attached to the expandable support member so that the substantially dehydrated bioprosthetic valve is operably secured within the main body portion of the expandable support member. The expandable support member is then crimped into a compressed configuration and placed at a desired location within the cardiovascular system of the subject. Either before or after placement at the desired location, fluid, or blood re-hydrates the substantially dehydrated bioprosthetic valve.Type: ApplicationFiled: December 12, 2023Publication date: March 28, 2024Inventors: Jose Luis Navia, Ji-Feng Chen
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Publication number: 20230277315Abstract: A method is provided for implanting a valve having at least one valve leaflet within the cardiovascular system of a subject. One step of the method includes preparing a substantially dehydrated bioprosthetic valve and then providing an expandable support member having oppositely disposed first and second ends and a main body portion extending between the ends. Next, the substantially dehydrated bioprosthetic valve is attached to the expandable support member so that the substantially dehydrated bioprosthetic valve is operably secured within the main body portion of the expandable support member. The expandable support member is then crimped into a compressed configuration and placed at a desired location within the cardiovascular system of the subject. Either before or after placement at the desired location, fluid or blood re-hydrates the substantially dehydrated bioprosthetic valve.Type: ApplicationFiled: December 9, 2022Publication date: September 7, 2023Inventors: Jose Luis Navia, Ji-Feng Chen
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Patent number: 11547560Abstract: A method is provided for implanting a valve having at least one valve leaflet within the cardiovascular system of a subject. One step of the method includes preparing a substantially dehydrated bioprosthetic valve and then providing an expandable support member having oppositely disposed first and second ends and a main body portion extending between the ends. Next, the substantially dehydrated bioprosthetic valve is attached to the expandable support member so that the substantially dehydrated bioprosthetic valve is operably secured within the main body portion of the expandable support member. The expandable support member is then crimped into a compressed configuration and placed at a desired location within the cardiovascular system of the subject. Either before or after placement at the desired location, fluid or blood re-hydrates the substantially dehydrated bioprosthetic valve.Type: GrantFiled: April 3, 2017Date of Patent: January 10, 2023Assignee: THE CLEVELAND CLINIC FOUNDATIONInventors: Jose Luis Navia, Ji-Feng Chen
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Publication number: 20220110748Abstract: A method for replacing a native atrioventricular heart valve includes inserting a delivery catheter into the heart with a prosthetic apparatus retained in a compressed state inside of the delivery catheter. The prosthetic apparatus includes an annular anchoring member having a mesh structure made of Nitinol and defining a plurality of circumferentially extending rows of cells. A fabric layer is attached to an inner surface of the anchoring member. An annular support member made of Nitinol is disposed within the anchoring member. The support member is attached to the anchoring member with sutures. A prosthetic valve made of biological tissue is disposed within and secured to the support member. The method further includes allowing the prosthetic apparatus to self-expand to a radially expanded state in which the anchoring member contacts tissue of the native atrioventricular valve.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Applicants: The Cleveland Clinic Foundation, Edwards Lifesciences CorporationInventors: Jose Luis Navia, Ji-Feng Chen, Qun Zhou
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Publication number: 20210161657Abstract: An apparatus is provided for replacing a native cardiac valve. The native cardiac valve has at least one leaflet and is surrounded by a native cardiac valve annulus having superior and inferior aspects. The apparatus comprises a barbell-shaped, expandable anchoring member including first, second, and main body portions extending between the end portions. The main body portion includes a channel defined by inner and outer surfaces. Each of the first and second end portions has a diameter greater than the diameter of the main body portion. The first and second end portions are sized to respectively contact the superior and inferior aspects of the native cardiac valve annulus when the expandable anchoring member is in an expanded configuration. The apparatus also includes an expandable support member operably disposed within the main body portion of the expandable anchoring member, and a prosthetic cardiac valve secured within the expandable support member.Type: ApplicationFiled: October 9, 2020Publication date: June 3, 2021Inventors: Jose Luis Navia, Ji-Feng Chen, Qun Zhou
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Publication number: 20210138314Abstract: A method for producing a golf club head having a weight block includes providing a club head body formed of a titanium alloy. The club head body includes a surface having a coupling portion. A weight block formed of a tungsten-copper-nickel alloy is provided and includes 1-17 wt % of copper and 6-37 wt % of nickel, with the balance being tungsten. The tungsten-copper-nickel alloy has a specific weight of 12-17 g/cm3. The weight block is placed into the coupling portion of the club head body, and a welding heat source is applied to abutting portions of the weight block and the coupling portion to proceed with fusion welding, tightly engaging the weight block with the coupling portion of the club head body.Type: ApplicationFiled: September 3, 2020Publication date: May 13, 2021Inventors: Ta-Chien Cheng, Yun-Qi Tang, Ji-Feng Chen, Bao-Bin Li, Zhi-Ke Wang
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Patent number: 10939999Abstract: An apparatus for replacing a diseased cardiac valve is movable from a radially collapsed configuration to a radially expanded configuration. The apparatus comprises an expandable support member and a prosthetic valve secured therein. The main body portion extends between first and second end portions and includes an outer circumferential surface, a circumferential axis extending about the circumferential surface, and a plurality of wing members spaced apart from one another by an expandable region. Each of the wing members includes first and second end portions and a flexible middle portion extending between the end portions. The second end portion is integrally formed with the uyimain body portion. The first end portion is adjacent the circumferential axis and substantially flush with the outer circumferential surface in the radially collapsed configuration. The first end portion extends substantially radial to the outer circumferential surface in the radially expanded configuration.Type: GrantFiled: July 2, 2018Date of Patent: March 9, 2021Assignee: THE CLEVELAND CLINIC FOUNDATIONInventors: Jose L. Navia, Ji-Feng Chen, Shengqiang Gao, Brian L. Davis, Samantha Stucke
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Patent number: 10850079Abstract: A system is provided for healing a wound. The system includes a flexible body, a therapeutic agent delivery mechanism, a suction mechanism, and a power source. The flexible body includes a cover film having oppositely disposed first and second surfaces that define a compartment. The compartment includes a first porous material, a second porous material, and at least one electrode disposed therein. The second porous material is disposed between the first porous material and the at least one electrode. The therapeutic agent delivery mechanism and the suction mechanism are fluidly connected to the compartment. The power source is in electrical communication with the at least one electrode.Type: GrantFiled: June 7, 2018Date of Patent: December 1, 2020Assignee: THE CLEVELAND CLINIC FOUNDATIONInventors: Francis A. Papay, Ji-Feng Chen, Shengqiang Gao
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Patent number: 10797126Abstract: The present disclosure provides a display device and a manufacturing method thereof, and a display panel. The display panel may include a substrate defining a through hole; a driving wiring carried on the substrate; a solder pad being arranged on a back surface of the substrate. A first end of the driving wiring is located on a front surface of the substrate, and a second end of the driving wiring is connected to the solder pad via the through hole.Type: GrantFiled: August 23, 2018Date of Patent: October 6, 2020Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Ji-Feng Chen
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Publication number: 20190237531Abstract: The present disclosure provides a display device and a manufacturing method thereof, and a display panel. The display panel may include a substrate defining a through hole; a driving wiring carried on the substrate; a solder pad being arranged on a back surface of the substrate. A first end of the driving wiring is located on a front surface of the substrate, and a second end of the driving wiring is connected to the solder pad via the through hole.Type: ApplicationFiled: August 23, 2018Publication date: August 1, 2019Inventor: Ji-Feng Chen
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Publication number: 20190008632Abstract: An apparatus for replacing a diseased cardiac valve is movable from a radially collapsed configuration to a radially expanded configuration. The apparatus comprises an expandable support member and a prosthetic valve secured therein. The main body portion extends between first and second end portions and includes an outer circumferential surface, a circumferential axis extending about the circumferential surface, and a plurality of wing members spaced apart from one another by an expandable region. Each of the wing members includes first and second end portions and a flexible middle portion extending between the end portions. The second end portion is integrally formed with the uyimain body portion. The first end portion is adjacent the circumferential axis and substantially flush with the outer circumferential surface in the radially collapsed configuration. The first end portion extends substantially radial to the outer circumferential surface in the radially expanded configuration.Type: ApplicationFiled: July 2, 2018Publication date: January 10, 2019Applicant: THE CLEVELAND CLINIC FOUNDATIONInventors: Jose L. Navia, Ji-Feng Chen, Shengqiang Gao, Brian L. Davis, Samantha Stucke
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Patent number: 10175719Abstract: The present disclosure relates to display devices. The display device includes a flexible display panel, a folded housing carrying the flexible display panel, and a force sensing system configured in a bending area of the flexible display panel. The bending area of the flexible display panel is bent frequently. The force sensing system is configured for detecting a deformed state of the flexible display panel. The flexible display panel protrudes from the first wing portion and the second wing portion, and the flexible display panel connects to the first actuator and the second actuator. The first actuator and the second actuator are configured to apply traction forces to the first end portion and the second portion according to force information detected by the force sensing system, such that the flexible display panel being completely bonded on a surface of the folded housing.Type: GrantFiled: May 4, 2017Date of Patent: January 8, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventor: Ji-feng Chen
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Publication number: 20180289936Abstract: A system is provided for healing a wound. The system includes a flexible body, a therapeutic agent delivery mechanism, a suction mechanism, and a power source. The flexible body includes a cover film having oppositely disposed first and second surfaces that define a compartment. The compartment includes a first porous material, a second porous material, and at least one electrode disposed therein. The second porous material is disposed between the first porous material and the at least one electrode. The therapeutic agent delivery mechanism and the suction mechanism are fluidly connected to the compartment. The power source is in electrical communication with the at least one electrode.Type: ApplicationFiled: June 7, 2018Publication date: October 11, 2018Inventors: Francis A. Papay, Ji-Feng Chen, Shengqiang Gao
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Publication number: 20180267571Abstract: The present disclosure relates to display devices. The display device includes a flexible display panel, a folded housing carrying the flexible display panel, and a force sensing system configured in a bending area of the flexible display panel. The bending area of the flexible display panel is bent frequently. The force sensing system is configured for detecting a deformed state of the flexible display panel. The flexible display panel protrudes from the first wing portion and the second wing portion, and the flexible display panel connects to the first actuator and the second actuator. The first actuator and the second actuator are configured to apply traction forces to the first end portion and the second portion according to force information detected by the force sensing system, such that the flexible display panel being completely bonded on a surface of the folded housing.Type: ApplicationFiled: May 4, 2017Publication date: September 20, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventor: Ji-feng CHEN
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Patent number: 10010416Abstract: An apparatus for replacing a diseased cardiac valve is movable from a radially collapsed configuration to a radially expanded configuration. The apparatus comprises an expandable support member and a prosthetic valve secured therein. The main body portion extends between first and second end portions and includes an outer circumferential surface, a circumferential axis extending about the circumferential surface, and a plurality of wing members spaced apart from one another by an expandable region. Each of the wing members includes first and second end portions and a flexible middle portion extending between the end portions. The second end portion is integrally formed with the uyimain body portion. The first end portion is adjacent the circumferential axis and substantially flush with the outer circumferential surface in the radially collapsed configuration. The first end portion extends substantially radial to the outer circumferential surface in the radially expanded configuration.Type: GrantFiled: March 31, 2014Date of Patent: July 3, 2018Assignee: THE CLEVELAND CLINIC FOUNDATIONInventors: Jose L. Navia, Ji-Feng Chen, Shengqiang Gao, Brian L. Davis, Samantha Stucke
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Patent number: 10004881Abstract: A system is provided for healing a wound. The system includes a flexible body, a therapeutic agent delivery mechanism, a suction mechanism, and a power source. The flexible body includes a cover film having oppositely disposed first and second surfaces that define a compartment. The compartment includes a first porous material, a second porous material, and at least one electrode disposed therein. The second porous material is disposed between the first porous material and the at least one electrode. The therapeutic agent delivery mechanism and the suction mechanism are fluidly connected to the compartment. The power source is in electrical communication with the at least one electrode.Type: GrantFiled: October 13, 2016Date of Patent: June 26, 2018Assignee: THE CLEVELAND CLINIC FOUNDATIONInventors: Francis A. Papay, Ji-Feng Chen, Shengqiang Gao
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Publication number: 20170266002Abstract: A method is provided for implanting a valve having at least one valve leaflet within the cardiovascular system of a subject. One step of the method includes preparing a substantially dehydrated bioprosthetic valve and then providing an expandable support member having oppositely disposed first and second ends and a main body portion extending between the ends. Next, the substantially dehydrated bioprosthetic valve is attached to the expandable support member so that the substantially dehydrated bioprosthetic valve is operably secured within the main body portion of the expandable support member. The expandable support member is then crimped into a compressed configuration and placed at a desired location within the cardiovascular system of the subject. Either before or after placement at the desired location, fluid or blood re-hydrates the substantially dehydrated bioprosthetic valve.Type: ApplicationFiled: April 3, 2017Publication date: September 21, 2017Inventors: Jose Luis Navia, Ji-Feng Chen
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Patent number: 9763562Abstract: A medical device sheath that includes a relatively inelastic body having a proximal end longitudinally separated from a distal end and defining a first lumen, an aperture located at the proximal end in fluid communication with the lumen and configured to admit an elongate endoscope body into the first lumen, and a transparent tip located longitudinally adjacent to an endoscope lens when the elongate endoscope body is located within the first lumen. The endoscope sheath may also include an elongate secondary tube defining a secondary lumen. A method of using the medical device sheath is also described.Type: GrantFiled: October 6, 2014Date of Patent: September 19, 2017Assignee: The Cleveland Clinic FoundationInventors: Rafi Avitsian, Andrew Zura, Ji-Feng Chen
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Patent number: 9687647Abstract: A system is provided for healing a wound. The system includes a flexible body, a therapeutic agent delivery mechanism, a suction mechanism, and a power source. The flexible body includes a cover film having oppositely disposed first and second surfaces that define a compartment. The compartment includes a first porous material, a second porous material, and at least one electrode disposed therein. The second porous material is disposed between the first porous material and the at least one electrode. The therapeutic agent delivery mechanism and the suction mechanism are fluidly connected to the compartment. The power source is in electrical communication with the at least one electrode.Type: GrantFiled: July 6, 2012Date of Patent: June 27, 2017Assignee: The Cleveland Clinic FoundationInventors: Francis A. Papay, Ji-Feng Chen, Shengqiang Gao