Patents by Inventor Jianjun Shuang
Jianjun Shuang 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).
-
Patent number: 11925343Abstract: A traction apparatus, comprising a clip portion (2) and a traction portion (1), the traction portion containing a closed traction structure (11); the closed traction structure being made from an elastic material; the clip portion comprising a main clip body (23, 25) and a clip arm (24, 26); the main clip body being capable of passing through a biopsy channel (4) of an endoscope (3), the clip arm being capable of clip the closed traction structure. Also disclosed is a traction ring used for the traction apparatus, the traction ring being a single closed traction structure or being formed by connecting several closed traction structures, the traction ring being made from an elastic material.Type: GrantFiled: November 4, 2020Date of Patent: March 12, 2024Assignees: MICRO-TECH (NANJING) CO., LTD., BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITYInventors: Ming Ji, Jianjun Shuang, Zhenghua Shen, Changging Li, Derong Leng, Chunjun Liu, Jie Hu
-
Patent number: 11864721Abstract: An endoscope end cap, including a sleeve member, protrusion elements, and a movable sleeve. The sleeve member is connected to the front end of an endoscope, the sleeve member, the protrusion elements, and the movable sleeve are connected in sequence, and the movable sleeve can move freely on the outer surface of the endoscope. When the endoscope is inserted for examination, the end cap is easy to enter and does not scratch the digestive tract since the end cap has a cylinder-like structure which is smooth and has no angularity; when the endoscope is being withdrawn, the movable sleeve moves distally and abuts against the sleeve member, so as to support the protrusion elements to enable the protrusion elements to dilate the inner wall of the intestine, improving the quality of single endoscope examination, and reducing discomfort of a patient, operation risk, and operation time.Type: GrantFiled: April 12, 2018Date of Patent: January 9, 2024Assignees: Micro-Tech (Nanjing) Co., Ltd., Beijing Friendship Hospital, Capital Medical UniversityInventors: Shutian Zhang, Ming Ji, Huihong Zhai, Jianjun Shuang, Jianyu Wei, Derong Leng, Changqing Li, Zhenghua Shen, Chunjun Liu
-
Patent number: 11627796Abstract: The disclosure provides a cleaning brush configured to clean a working channel of the endoscope. The cleaning brush comprises a first joint, a second joint and a plurality of cleaning units, the plurality of cleaning units are sequentially connected, each cleaning unit comprises a cleaning portion configured to be in contact with the working channel of the endoscope, and the hardness of the cleaning portions of at least two cleaning units in the plurality of cleaning units is different. The first joint and the second joint are respectively connected with two outermost cleaning units in the plurality of cleaning units, and the first joint and the second joint are configured to be connected to make a ring-shaped cleaning brush. The cleaning brush is efficient in removing bioburden from the working channel of an endoscope.Type: GrantFiled: March 23, 2021Date of Patent: April 18, 2023Assignee: Micro-Tech (Nanjing) Co., Ltd.Inventors: Scott Haack, Jianjun Shuang, Zhenghua Shen, Changqing Li, Minghao Feng
-
Publication number: 20220050032Abstract: The present application provides a sample collecting device and a sample collecting apparatus. The sample collecting device includes a housing assembly with a cavity and a filtering unit disposed in the cavity, where the housing assembly is provided with a collecting hole and a suction hole, both of which are communicated with the cavity, the suction hole is communicated with the collecting hole through the filtering unit, the housing assembly is provided with a gateway on its side wall, and at least part of the filtering unit is configured to be moved to an outside of the housing assembly through the gateway. The present application can greatly improve efficiency of sample collection and effectively save the time of medical workers.Type: ApplicationFiled: October 27, 2021Publication date: February 17, 2022Applicant: MICRO-TECH (NANJING) CO., LTD.Inventors: Scott HAACK, Jianjun SHUANG, Zhenghua SHEN, Weiqin QIU, Jie HU, Changqing LI, Minghao FENG
-
Publication number: 20210321755Abstract: The disclosure provides a cleaning brush configured to clean a working channel of the endoscope. The cleaning brush comprises a first joint, a second joint and a plurality of cleaning units, the plurality of cleaning units are sequentially connected, each cleaning unit comprises a cleaning portion configured to be in contact with the working channel of the endoscope, and the hardness of the cleaning portions of at least two cleaning units in the plurality of cleaning units is different. The first joint and the second joint are respectively connected with two outermost cleaning units in the plurality of cleaning units, and the first joint and the second joint are configured to be connected to make a ring-shaped cleaning brush. The cleaning brush is efficient in removing bioburden from the working channel of an endoscope.Type: ApplicationFiled: March 23, 2021Publication date: October 21, 2021Applicant: MICRO-TECH (NANJING) CO., LTD.Inventors: Scott HAACK, Jianjun SHUANG, Zhenghua SHEN, Changqing LI, Minghao FENG
-
Publication number: 20210085171Abstract: An endoscope end cap, including a sleeve member, protrusion elements, and a movable sleeve. The sleeve member is connected to the front end of an endoscope, the sleeve member, the protrusion elements, and the movable sleeve are connected in sequence, and the movable sleeve can move freely on the outer surface of the endoscope. When the endoscope is inserted for examination, the end cap is easy to enter and does not scratch the digestive tract since the end cap has a cylinder-like structure which is smooth and has no angularity; when the endoscope is being withdrawn, the movable sleeve moves distally and abuts against the sleeve member, so as to support the protrusion elements to enable the protrusion elements to dilate the inner wall of the intestine, improving the quality of single endoscope examination, and reducing discomfort of a patient, operation risk, and operation time.Type: ApplicationFiled: April 12, 2018Publication date: March 25, 2021Inventors: Shutian Zhang, Ming JI, Huihong Zhai, Jianjun Shuang, Jianyu Wei, Derong Leng, Changqing Li, Zhenghua Shen, Chunjun Liu
-
Publication number: 20210068805Abstract: A traction apparatus, comprising a clip portion (2) and a traction portion (1), the traction portion containing a closed traction structure (11); the closed traction structure being made from an elastic material; the clip portion comprising a main clip body (23, 25) and a clip arm (24, 26); the main clip body being capable of passing through a biopsy channel (4) of an endoscope (3), the clip arm being capable of clip the closed traction structure. Also disclosed is a traction ring used for the traction apparatus, the traction ring being a single closed traction structure or being formed by connecting several closed traction structures, the traction ring being made from an elastic material.Type: ApplicationFiled: November 4, 2020Publication date: March 11, 2021Applicants: MICRO-TECH (NANJING) CO., LTD., BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITYInventors: Ming JI, Jianjun SHUANG, Zhenghua SHEN, Changqing LI, Derong LENG, Chunjun LIU, Jie HU
-
Publication number: 20200405277Abstract: The present disclosure provides an endoscopic ultrasound needle device and a method for operating the same. The endoscopic ultrasound needle device includes a first needle defining a first bore; a second needle located in the first bore, wherein the second needle is adapted to move or reciprocate within the first bore in response to a manipulation of a component located adjacent or on a handle of the device; and a first cut edge on the first needle, defining an orifice or opening in open communication with the first bore, wherein the first cut edge cooperates with at least a portion of the second needle to cut or slice the tissue, during the second needle moves or reciprocates within the first bore, relative to the first needle, in the extension direction of the first bore, which has high tissue sampling efficiency.Type: ApplicationFiled: June 24, 2020Publication date: December 31, 2020Inventors: Arthur John Kaffes, Changqing Li, Jianjun Shuang, Gang Zhang, Hongyan Jin, Zhenghua Shen
-
Patent number: 9099762Abstract: A composite phase change material and the method for forming the material is disclosed herein. Thereof, especially a composite phase change material for lithium battery cooling, comprising polyethylene glycol, silica vehicle and composite flame retardant comprising graphite and polymer, wherein the weight ratio of the graphite and polymer is approximately 1:2. The composite phase change material according to the invention has a good stability and a thermal conductivity, a small corrosivity, a high phase transition enthalpy of 150-350 J/g, and a morphological stability during phase change. Moreover, addition of high thermal conductivity material and composite flame retardant ensures good thermal conductivity and excellent flame retardant effect of the phase change material.Type: GrantFiled: April 11, 2013Date of Patent: August 4, 2015Assignee: Chervon (HK) LimitedInventors: Dezhong Yang, Hao Du, Jianjun Shuang
-
Publication number: 20140370354Abstract: A battery pack includes a phase change material, which implements temperature management of the battery pack by virtue of the heat dissipation action of the phase change material. The battery pack includes a plurality of battery cells, at least one of which is partially provided with a phase change material and brackets for supporting the plurality of battery cells. The phase change material is disposed at the maximum heat dissipating region of the battery cell, and the maximum heat dissipating region is a region partially extending from an intermediate position of the outer surface of the battery cell towards a positive pole end.Type: ApplicationFiled: June 12, 2014Publication date: December 18, 2014Inventors: Dezhong Yang, Yuexiang Zhang, Jianjun Shuang, Hao Du
-
Publication number: 20130270476Abstract: A composite phase change material and the method for forming the material is disclosed herein. thereof, especially a composite phase change material for lithium battery cooling, comprising polyethylene glycol, silica vehicle and composite flame retardant comprising graphite and polymer, wherein the weight ratio of the graphite and polymer is approximately 1:2. The composite phase change material according to the invention has a good stability and a thermal conductivity, a small corrosivity, a high phase transition enthalpy of 150-350 J/g, and a morphological stability during phase change. Moreover, addition of high thermal conductivity material and composite flame retardant ensures good thermal conductivity and excellent flame retardant effect of the phase change material.Type: ApplicationFiled: April 11, 2013Publication date: October 17, 2013Applicant: Chervon (HK) LimitedInventors: Dezhong Yang, Hao Du, Jianjun Shuang
-
Publication number: 20130269965Abstract: An electrical tool has a main body housing a motor and an operating member and a battery pack has an electrical cell and housing for providing electricity to the motor. The main body is provided with a first locking assembly configured to move in a reciprocating manner along a first direction and the battery pack is provided with a second locking assembly configured to move in reciprocating manner along a second direction for cooperating with the first locking assembly to provide a locking or unlocking condition. The first direction is perpendicular to the second direction.Type: ApplicationFiled: April 11, 2013Publication date: October 17, 2013Applicant: Chervon (HK) LimitedInventors: Jianjun Shuang, Yuexiang Zhang
-
Patent number: 7866055Abstract: The present invention provides a level having a body which has a first end, a second end opposed to the first end, and a plane surface which connects the first and second ends, at least one level indicating device mounted to the body, and two end caps which are mounted onto the first and second ends, respectively. Each end cap has an outer end which is distributed by a plurality of resilient portions with small surface area for absorbing impact if the level is accidentally dropped or impacted.Type: GrantFiled: July 6, 2009Date of Patent: January 11, 2011Assignee: Chervon LimitedInventors: Yuexiang Zhang, Ming Chen, Jianjun Shuang
-
Publication number: 20100000106Abstract: The present invention provides a level having a body which has a first end, a second end opposed to the first end, and a plane surface which connects the first and second ends, at least one level indicating device mounted to the body, and two end caps which are mounted onto the first and second ends, respectively. Each end cap has an outer end which is distributed by a plurality of resilient portions with small surface area for absorbing impact if the level is accidentally dropped or impacted.Type: ApplicationFiled: July 6, 2009Publication date: January 7, 2010Inventors: Yuexiang Zhang, Ming Chen, Jianjun Shuang
-
Publication number: 20100000105Abstract: The present invention provides a level, having a body including a bottom surface for contacting a surface to be measured, at least one level indicating device mounted to the body, and a strikable device is mounted to the level. The strikable device has a top surface which is strikable by a user, and a bottom surface to contact the surface to be measured.Type: ApplicationFiled: July 6, 2009Publication date: January 7, 2010Inventors: Yuexiang Zhang, Ming Chen, Jianjun Shuang
-
Patent number: D640196Type: GrantFiled: November 11, 2010Date of Patent: June 21, 2011Assignee: Chervon LimitedInventors: Jianjun Shuang, Jie Chen
-
Patent number: D640197Type: GrantFiled: November 11, 2010Date of Patent: June 21, 2011Assignee: Chervon LimitedInventors: Keith Park, Jianjun Shuang
-
Patent number: D651560Type: GrantFiled: November 11, 2010Date of Patent: January 3, 2012Assignee: Chervon LimitedInventors: Keith Park, Jianjun Shuang
-
Patent number: D711818Type: GrantFiled: October 20, 2011Date of Patent: August 26, 2014Assignee: Chervon (HK) LimitedInventors: Jake Maki, Jianjun Shuang