Patents by Inventor Wen-An Chang

Wen-An Chang 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).

  • Publication number: 20230355878
    Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.
    Type: Application
    Filed: July 12, 2023
    Publication date: November 9, 2023
    Inventors: Wen-An Chang, Hsueh-Yi Chen, Chia-Hsin Su
  • Patent number: 11806510
    Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: November 7, 2023
    Assignee: SHL MEDICAL AG
    Inventors: Wen-An Chang, Hsueh-Yi Chen, Chia-Hsin Su
  • Patent number: 11551581
    Abstract: The present invention relates to an automatic injection training device comprising an elongated housing having a distal end and an opposite proximal end and extending along a longitudinally axis (L); a tubular demo container axially and rotationally fixed relative to the elongated housing and having a tubular wall extending along the longitudinally axis (L); a reloadable plunger assembly comprising a plunger rod which is movable in the demo container between a first and a second position and a first energy accumulating element configured to move the plunger rod from the first to the second position; an actuation assembly configured to hold the plunger rod in the first position and to release the plunger rod from the first position.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: January 10, 2023
    Assignee: SHL MEDICAL AG
    Inventors: Wen-An Chang, Yun-Hsuan Chang
  • Publication number: 20210343187
    Abstract: The present invention relates to an automatic injection training device comprising an elongated housing having a distal end and an opposite proximal end and extending along a longitudinally axis (L); a tubular demo container axially and rotationally fixed relative to the elongated housing and having a tubular wall extending along the longitudinally axis (L); a reloadable plunger assembly comprising a plunger rod which is movable in the demo container between a first and a second position and a first energy accumulating element configured to move the plunger rod from the first to the second position; an actuation assembly configured to hold the plunger rod in the first position and to release the plunger rod from the first position.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 4, 2021
    Inventors: Wen-An Chang, Yun-Hsuan Chang
  • Patent number: 11107369
    Abstract: The present invention relates to an automatic injection training device (10) comprising an elongated housing (12) having a distal end (14) and an opposite proximal end (16) and extending along a longitudinally axis (L); a tubular demo container (128) axially and rotationally fixed relative to the elongated housing (12) and having a tubular wall (140) extending along the longitudinally axis (L); a reloadable plunger assembly (104) comprising a plunger rod (106) which is movable in the demo container (128) between a first and a second position and a first energy accumulating element (110) configured to move the plunger rod (106) from the first to the second position; an actuation assembly (42) configured to hold the plunger rod (106) in the first position and to release the plunger rod (106) from the first position.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: August 31, 2021
    Assignee: SHL MEDICAL AG
    Inventors: Wen-An Chang, Yun-Hsuan Chang
  • Publication number: 20210069415
    Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.
    Type: Application
    Filed: November 18, 2020
    Publication date: March 11, 2021
    Inventors: Wen-An Chang, Hsueh-Yi Chen, Chia-Hsin Su
  • Patent number: 10905826
    Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: February 2, 2021
    Assignee: SHL MEDICAL AG
    Inventors: Wen-An Chang, Hsueh-Yi Chen, Chia-Hsin Su
  • Patent number: 10773021
    Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: September 15, 2020
    Assignee: SHL MEDICAL AG
    Inventors: Wen-An Chang, Hsueh-Yi Chen, Chia-Hsin Su
  • Patent number: 10463793
    Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: November 5, 2019
    Assignee: SHL MEDICAL AG
    Inventors: Wen-An Chang, Hsueh-Yi Chen, Chia-Hsin Su
  • Publication number: 20190117892
    Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.
    Type: Application
    Filed: December 14, 2018
    Publication date: April 25, 2019
    Inventors: Wen-An Chang, Hsueh-Yi Chen, Chia-Hsin Su
  • Publication number: 20190096286
    Abstract: The present invention relates to an automatic injection training device (10) comprising an elongated housing (12) having a distal end (14) and an opposite proximal end (16) and extending along a longitudinally axis (L); a tubular demo container (128) axially and rotationally fixed relative to the elongated housing (12) and having a tubular wall (140) extending along the longitudinally axis (L); a reloadable plunger assembly (104) comprising a plunger rod (106) which is movable in the demo container (128) between a first and a second position and a first energy accumulating element (110) configured to move the plunger rod (106) from the first to the second position; an actuation assembly (42) configured to hold the plunger rod (106) in the first position and to release the plunger rod (106) from the first position.
    Type: Application
    Filed: January 24, 2017
    Publication date: March 28, 2019
    Inventors: Wen-An Chang, Yun-Hsuan Chang
  • Publication number: 20170216525
    Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.
    Type: Application
    Filed: April 14, 2017
    Publication date: August 3, 2017
    Inventors: Wen-An Chang, Hsueh-Yi Chen, Chia-Hsin Su
  • Publication number: 20170007769
    Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.
    Type: Application
    Filed: November 20, 2014
    Publication date: January 12, 2017
    Applicant: Carebay Europe Ltd.
    Inventors: Wen-An Chang, Hsueh-Yi Chen, Chia-Hsin Su