Patents by Inventor XiaoFei Qin
XiaoFei Qin 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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Patent number: 11905829Abstract: An integrated logging instrument for coring and sampling includes a downhole main body and a ground system. The downhole main body is connected with the ground system through a long cable. The downhole main body includes a coring and sampling mechanism, a power mechanism and an energy storage mechanism. The coring and sampling mechanism includes a coring assembly for drilling cores and a pushing and setting assembly for downhole fixation. The power mechanism is arranged at an upper end of the coring and sampling mechanism, and includes a motor, a piston structure and a pump body. The piston structure and the pump body are respectively arranged at two output ends of the motor. The piston structure is arranged to provide suction power. The pump body is arranged to provide hydraulic power. The energy storage mechanism is arranged at a lower end of the coring and sampling mechanism.Type: GrantFiled: May 14, 2020Date of Patent: February 20, 2024Assignees: China Oilfield Services Limited, China National Offshore Oil CorporationInventors: Tao Lu, Yongren Feng, Changgui Xu, Zhibin Tian, Xiaofei Qin, Minggao Zhou, Xiaodong Chu, Tiemin Liu, Yongzeng Xue, Zanqing Wei, Lin Huang
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Patent number: 11624244Abstract: A connecting structure for a drill collar of a logging while drilling instrument and drill collar sub male and female joints are provided. The connecting structure for a drill collar of a logging while drilling instrument includes a male connecting joint and a female connecting joint matched with each other. The male connecting joint and the female connecting joint are rotatable relative to each other. Electrical passages are respectively arranged in the male and female connecting joints. One of the male and female connecting joints is provided with a multi-core coaxial electrical male connector connected with the electrical passage, and the other is correspondingly provided with a multi-core coaxial electrical female connector connected with the electrical passage. The male connecting joint is coaxially nested in the female connecting joint. The multi-core coaxial electrical male connector is inserted into and fitted to the multi-core coaxial electrical female connector.Type: GrantFiled: April 2, 2019Date of Patent: April 11, 2023Assignee: CHINA OILFIELD SERVICES, LIMITEDInventors: Yongren Feng, Zhongli Bao, Qiang Yu, Xiaofei Qin, Lin Huang, Xingfang Wu, Yuqing Yang, Jibin Zou
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Publication number: 20220372438Abstract: The invention relates to biologically functional scaffolds having a porous structure, methods of preparing, and methods of use thereof. The invention also relates to methods of repairing a defect, methods of culturing cells and promoting differentiation of stem cells using the same.Type: ApplicationFiled: July 22, 2022Publication date: November 24, 2022Applicant: LifeNet HealthInventors: Xiaofei Qin, Silvia Chen
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Publication number: 20220316290Abstract: An integrated logging instrument for coring and sampling includes a downhole main body and a ground system. The downhole main body is connected with the ground system through a long cable. The downhole main body includes a coring and sampling mechanism, a power mechanism and an energy storage mechanism. The coring and sampling mechanism includes a coring assembly for drilling cores and a pushing and setting assembly for downhole fixation. The power mechanism is arranged at an upper end of the coring and sampling mechanism, and includes a motor, a piston structure and a pump body. The piston structure and the pump body are respectively arranged at two output ends of the motor. The piston structure is arranged to provide suction power. The pump body is arranged to provide hydraulic power. The energy storage mechanism is arranged at a lower end of the coring and sampling mechanism.Type: ApplicationFiled: May 14, 2020Publication date: October 6, 2022Inventors: Tao LU, Yongren FENG, Changgui XU, Zhibin TIAN, Xiaofei QIN, Minggao ZHOU, Xiaodong CHU, Tiemin LIU, Yongzeng XUE, Zanqing WEI, Lin HUANG
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Patent number: 11434469Abstract: The invention relates to biologically functional scaffolds having a porous structure, methods of preparing, and methods of use thereof. The invention also relates to methods of repairing a defect, methods of culturing cells and promoting differentiation of stem cells using the same.Type: GrantFiled: February 9, 2016Date of Patent: September 6, 2022Assignee: LifeNet HealthInventors: Xiaofei Qin, Silvia Chen
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Patent number: 11365395Abstract: The present invention is directed to a device for the growth of new bone or bone-like tissue under in vitro cell culture conditions.Type: GrantFiled: August 9, 2018Date of Patent: June 21, 2022Assignee: LifeNet HealthInventors: Lloyd Wolfinbarger, Jr., Xiaofei Qin
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Publication number: 20220184279Abstract: A method of preparing a decellularized placental membrane is provided. The method comprises removing cells from a pre-decellularized placental membrane comprising an amnion layer and a chorion layer to produce a decellularized placental membrane without separating the amnion layer from the chorion layer. The pre-decellularized placental membrane is obtained from an amniotic sac, and the decellularized placental membrane comprises the amnion layer and the chorion layer. Also provided is a decellularized placental membrane and a placenta-derived graft comprising the decellularized placental membrane. Further provided are the uses of the decellularized placental membrane or the placenta-derived graft.Type: ApplicationFiled: December 20, 2021Publication date: June 16, 2022Applicant: LifeNet HealthInventors: Xiaofei Qin, Silvia Chen, Lindsey Aschenbach, Jingsong Chen
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Publication number: 20220155275Abstract: Provided are a method and system for measuring a composition and property of a formation fluid. The method includes: acquiring a measuring model used for measuring a composition and a property of a formation fluid; using a signal measured by a sensor on a downhole hydrocarbon formation tester in real-time as input data and inputting the input data into the measuring model; processing the input data by the measuring model; and directly outputting a processing result as data on the composition and the property of the real-time formation fluid, or parsing the data on the composition and the property of the real-time formation fluid according to the processing result.Type: ApplicationFiled: February 5, 2020Publication date: May 19, 2022Applicants: CHINA OILFIELD SERVICES LIMITED, CHINA NATIONAL OFFSHORE OIL CORPORATIONInventors: Youxiang ZUO, Yongren FENG, Tao LU, Sun KONG, Yang SHEN, Xiaofei QIN, Xiaodong CHU, Yongchao CHEN, Xingfang WU, Lin HUANG
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Publication number: 20220151765Abstract: Soft tissue supports, soft tissue implants, and methods of making and using soft tissue supports are disclosed. One soft tissue support includes a unitary piece of processed porous tissue material having an anterior portion and a posterior portion. The anterior and posterior portions define a cavity therebetween. The cavity is sized to receive a breast implant therein. The cavity has at least one opening sized to receive the breast implant therethrough. One soft tissue implant includes the soft tissue support and a breast implant positioned within the cavity of the soft tissue support. The implant may further include a soft tissue graft configured to support the processed porous tissue material and the breast implant. A method of using a soft tissue support includes inserting a breast implant into the soft tissue support, and implanting the soft tissue support containing the breast implant in the cavity.Type: ApplicationFiled: March 20, 2020Publication date: May 19, 2022Applicant: LifeNet HealthInventors: Xiaofei Qin, Michael LaPrade, Jingsong Chen, Joshua Jones, Austin Johnson, Erich Lohmann
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Publication number: 20220152120Abstract: The present invention provides a composition for treating a pathological condition in a body part of a patient in needed thereof, comprising an effective amount of a birth tissue elute or birth tissue particulates. A method for preparing the birth tissue elute, for example, an umbilical cord elute, is also provided. A method for treating a pathological condition in a body part of a patient in needed thereof is further provided.Type: ApplicationFiled: April 16, 2020Publication date: May 19, 2022Applicant: LifeNet HealthInventors: Xiaofei Qin, Fanwei Meng, Jingsong Chen
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Patent number: 11207446Abstract: A method of preparing a decellularized placental membrane is provided. The method comprises removing cells from a pre-decellularized placental membrane comprising an amnion layer and a chorion layer to produce a decellularized placental membrane without separating the amnion layer from the chorion layer. The pre-decellularized placental membrane is obtained from an amniotic sac, and the decellularized placental membrane comprises the amnion layer and the chorion layer. Also provided is a decellularized placental membrane and a placenta-derived graft comprising the decellularized placental membrane. Further provided are the uses of the decellularized placental membrane or the placenta-derived graft.Type: GrantFiled: December 23, 2016Date of Patent: December 28, 2021Assignee: LifeNet HealthInventors: Xiaofei Qin, Silvia Chen, Lindsey Aschenbach, Jingsong Chen
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Publication number: 20210322173Abstract: A shaped cartilage matrix isolated from a human or animal where the cartilage has been crafted to facilitate disinfection, cleaning, devitalization, recellularization, and/or integration after implantation. Also, a process for repairing a cartilage defect with the cartilage matrix. The matrix is in the form of an osteochondral plug including a cartilage cap ad subchondral bone, wherein one or more gaps, slats, bores, or channels extend through the tidemark at the interface between the cartilage cap and the subchondral bone.Type: ApplicationFiled: June 3, 2021Publication date: October 21, 2021Applicant: LifeNet HealthInventors: Silvia Sihui Chen, Xiaofei Qin, Jingsong Chen, Lloyd Wolfinbarger, JR.
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Patent number: 11147674Abstract: A shaped cartilage matrix isolated from a human or animal where the cartilage has been crafted to facilitate disinfection, cleaning, devitalization, recellularization, and/or integration after implantation. Also, a process for repairing a cartilage defect with the cartilage matrix. The matrix is in the form of an osteochondral plug including a cartilage cap ad subchondral bone, wherein one or more gaps, slats, bores, or channels extend through the tidemark at the interface between the cartilage cap and the subchondral bone.Type: GrantFiled: July 27, 2017Date of Patent: October 19, 2021Assignee: LifeNet HealthInventors: Silvia Sihui Chen, Xiaofei Qin, Jingsong Chen, Lloyd Wolfinbarger, Jr.
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Publication number: 20210315703Abstract: The invention is directed towards a process for implanting a cartilage graft into a cartilage defect and sealing the implanted cartilage graft with recipient tissue by creating a first bore down to the bone portion of the cartilage defect, creating a second shaped bore that is concentric to and on top of the first bore to match the shape and size of the cartilage graft, treating the first bore and the second shaped bore at the defect site with a bonding agent, treating the circumferential area of the cartilage graft with a bonding agent, inserting the cartilage graft into the defect site and wherein the superficial surface of the cartilage graft is at the same height as the surrounding cartilage surface. The first and second bonding agents may be activated by applying a stimulation agent to induce sealing, integration, and restoration of the hydrodynamic environments of the recipient tissue.Type: ApplicationFiled: December 22, 2020Publication date: October 14, 2021Applicant: LifeNet HealthInventors: Silvia S. Chen, Xiaofei Qin, Jingsong Chen, Lloyd Wolfinbarger, JR.
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Publication number: 20210277723Abstract: A connecting structure for a drill collar of a logging while drilling instrument and drill collar sub male and female joints are provided. The connecting structure for a drill collar of a logging while drilling instrument includes a male connecting joint and a female connecting joint matched with each other. The male connecting joint and the female connecting joint are rotatable relative to each other. Electrical passages are respectively arranged in the male and female connecting joints. One of the male and female connecting joints is provided with a multi-core coaxial electrical male connector connected with the electrical passage, and the other is correspondingly provided with a multi-core coaxial electrical female connector connected with the electrical passage. The male connecting joint is coaxially nested in the female connecting joint. The multi-core coaxial electrical male connector is inserted into and fitted to the multi-core coaxial electrical female connector.Type: ApplicationFiled: April 2, 2019Publication date: September 9, 2021Inventors: Yongren FENG, Zhongli BAO, Qiang YU, Xiaofei QIN, Lin HUANG, Xingfang WU, Yuqing YANG, Jibin ZOU
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Patent number: 11078248Abstract: The invention relates to truncated growth factors and variants thereof. The invention also relates to methods of making and using the truncated growth factors. The invention further relates to compositions including a protease and a growth factor comprising a bone morphogenic protein (BMP) or a variant thereof. The invention also relates to methods of using the composition.Type: GrantFiled: December 13, 2018Date of Patent: August 3, 2021Assignee: LifeNet HealthInventors: Xiaofei Qin, Silvia Chen, Jingsong Chen, James Clagett
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Publication number: 20210154369Abstract: The present invention is directed to a fiber, preferably bone fiber, having a textured surface, which acts as an effective binding substrate for bone-forming cells and for the induction or promotion of new bone growth by bone-forming cells, which bind to the fiber. Methods of using the bone fibers to induce or promote new bone growth and bone material compositions comprising the bone fibers are also described. The invention further relates to a substrate cutter device and cutter, which are effective in producing substrate fibers, such as bone fibers. The present invention is also directed to a device for the growth of new bone or bone-like tissue under in vitro cell culture conditions.Type: ApplicationFiled: February 1, 2021Publication date: May 27, 2021Applicant: LifeNet HealthInventors: Barton D. Gaskins, Dennis L. Phelps, Daniel B. Osborne, Louis E. Ford, Lloyd Wolfinbarger, JR., Xiaofei Qin
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Patent number: 10881515Abstract: The invention is directed towards a process for implanting a cartilage graft into a cartilage defect and sealing the implanted cartilage graft with recipient tissue. The invention is also directed towards a process for repairing a cartilage defect and implanting a cartilage graft into a human or animal. The invention is further directed toward a repaired cartilage defect.Type: GrantFiled: June 29, 2012Date of Patent: January 5, 2021Assignee: LifeNet HealthInventors: Silvia S. Chen, Xiaofei Qin, Jingsong Chen, Lloyd Wolfinbarger, Jr.
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Publication number: 20190153054Abstract: The invention relates to truncated growth factors and variants thereof. The invention also relates to methods of making and using the truncated growth factors. The invention further relates to compositions including a protease and a growth factor comprising a bone morphogenic protein (BMP) or a variant thereof. The invention also relates to methods of using the composition.Type: ApplicationFiled: December 13, 2018Publication date: May 23, 2019Applicant: LifeNet HealthInventors: Xiaofei Qin, Silvia Chen, Jingsong Chen, James Clagett
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Publication number: 20190040358Abstract: The present invention is directed to a device for the growth of new bone or bone-like tissue under in vitro cell culture conditions.Type: ApplicationFiled: August 9, 2018Publication date: February 7, 2019Applicant: LifeNet HealthInventors: Lloyd Wolfinbarger, JR., Xiaofei Qin