Patents by Inventor Hou-Sen Lim

Hou-Sen Lim 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: 20200046530
    Abstract: The present invention relates to a device (3) intended to be attached to or interconnected with a medical implant (1), and intended to be attached to or interconnected with a catheter (5), the catheter (5) being intended for implanting the implant (1). The invention further relates to a catheter (5) suited for receiving at least one such device (3) and to a method.
    Type: Application
    Filed: August 23, 2019
    Publication date: February 13, 2020
    Applicant: VENUS MEDTECH (HANGZHOU), INC.
    Inventors: Wolfgang Goetz, Hou-Sen Lim
  • Patent number: 10493573
    Abstract: A method for crimping a medical implant includes at least one foldable and/or unfoldable structure on or around or over a portion or outer surface of a catheter or of a catheter tip. No pressure beyond a predetermined pressure is exerted on the structure during and/or after crimping of the implant.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: December 3, 2019
    Assignee: Venus Medtech (Hangzhou) Inc.
    Inventors: Wolfgang Goetz, Hou-Sen Lim
  • Patent number: 10463483
    Abstract: A collapsible-expandable tubular stent (29) constructed of shape-memory material which is implantable into a human heart, which comprises proximal and distal rings (71, 73) and at least two spaced apart posts (69) that extend axially between said rings (71, 73), said distal ring (73) comprising a plurality of distal arms (77) which are connected to the distal ring (73) at only one end and which have a free opposite end; said proximal ring (71) comprising a plurality of, which are connected at only one end to the proximal ring (71) and which have a free opposite end, which proximal arms (75) are constructed to swing radially outward at their free ends.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: November 5, 2019
    Assignee: Venus Medtech (Hangzhou) Inc.
    Inventors: Hou-Sen Lim, Wolfgang Gotz
  • Patent number: 10390981
    Abstract: A device is intended to be attached to or interconnected with a medical implant, and intended to be attached to or interconnected with a catheter. The catheter is intended for implanting the implant.
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: August 27, 2019
    Assignee: Venus Medtech (Hangzhou) Inc.
    Inventors: Wolfgang Goetz, Hou-Sen Lim
  • Patent number: 10292843
    Abstract: An implant, intended to be detachably fixed or crimped on a portion or an outer surface of a catheter for being delivered to an implantation site, includes a longitudinal axis, or an inner space or inner volume longitudinally extending within the implant, and a radial direction perpendicular to the longitudinal axis, space or volume. The implant includes a first structural element having a first portion, a second structural element having a second portion, and one or more interconnecting elements arranged between the first and the second structural elements. In the implant, the first portion and/or the second portion is/are located less radially as regards the longitudinal axis, inner space, or volume than a third portion of the one or more interconnecting elements.
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: May 21, 2019
    Assignee: Venus Medtech (Hangzhou) Inc.
    Inventors: Wolfgang Goetz, Hou-Sen Lim
  • Publication number: 20190060066
    Abstract: The present invention relates to an apparatus (3) for use during implanting at least one medical implant (6) at an implantation site within a patient's body, wherein the apparatus (3) comprises an aligning device (9) for aligning the apparatus (3) at the implantation site, wherein the aligning device (9) is capable of being transferred from a non-aligning position into an aligning position. It further relates to a set and a method.
    Type: Application
    Filed: October 30, 2018
    Publication date: February 28, 2019
    Inventors: Wolfgang GOETZ, Hou-Sen LIM
  • Patent number: 10188537
    Abstract: The present invention relates to an apparatus (100) for folding or unfolding at least one medical implant (300) by using at least one tension thread (11, 11?), wherein the apparatus (100) includes a shaft (1) including a reception area (55) for receiving the implant (300), and a tensioning device for altering a shape of the foldable and/or unfoldable implant (300) by the tension thread (11, 11?).
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: January 29, 2019
    Assignee: Venus Medtech (Hangzhou) Inc.
    Inventors: Hou-Sen Lim, Wolfgang Goetz
  • Patent number: 10064721
    Abstract: The present invention relates to a handle assembly (100) for an implant delivery device for folding or unfolding at least one medical implant by means of at least one tension thread, wherein the handle assembly (100) comprises a drum (14) for winding the tension thread thereon by rotating the drum (14); a knob (9) to be rotated by a user of the handle assembly (100) in order to fold or unfold the medical implant, the knob (9) being interconnected with the drum (14) such that the drum (14) is rotated when the knob (9) is rotated; and a force limiter for limiting the maximum force or tension that may be applied or is applicable to the tension thread (11) or to the drum (14) by rotating the knob (9).
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: September 4, 2018
    Assignee: VENUS MEDTECH (HANGZHOU), INC.
    Inventors: Hou-Sen Lim, Wolfgang Gotz
  • Patent number: 10064720
    Abstract: The present invention relates to set comprising an apparatus (100) for folding or unfolding at least one medical implant (300) by means of at least one tension thread (11, 11?), wherein the apparatus (100) comprises a shaft (1) and a tensioning device for altering a form or shape of the foldable and/or unfoldable implant (300) by means of the tension thread (11, 11?). In at least one shaft section thereof, the shaft (1) comprises a plurality of individual shaft fibers (13).
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: September 4, 2018
    Assignee: VENUS MEDTECH (HANGZHOU), INC.
    Inventors: Hou-Sen Lim, Wolfgang Goetz
  • Patent number: 10010415
    Abstract: An apparatus for folding or unfolding at least one medical implant by way of at least one tension thread includes a shaft and a tensioning device for altering a form or shape of the foldable and/or unfoldable implant by way of the tension thread (11, 11?). In at least one shaft section thereof, the shaft includes a plurality of individual shaft fibers.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: July 3, 2018
    Assignee: Venus Medtech (Hangzhou) Inc.
    Inventors: Wolfgang Goetz, Hou-Sen Lim
  • Patent number: 9918839
    Abstract: A device is intended to be attached to or interconnected with a medical implant, and intended to be attached to or interconnected with a catheter. The catheter is intended for implanting the implant. A catheter is suited for receiving at least one such device and a method provides a delivery implement with an implant detachably disposed in the device.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: March 20, 2018
    Assignee: VENUS MEDTECH (HANGZHOU), INC.
    Inventors: Wolfgang Goetz, Hou-Sen Lim
  • Patent number: 9877830
    Abstract: The present invention relates to a heart valve assembly (1000), comprising a frame (1) and a heart valve (100), wherein the frame (1) supports the heart valve (100) or is interconnected thereto, preferably by sewing or sewing alone, the frame (1) comprising at least a first guiding structure (2a) for guiding at least one tension thread (5) for folding and/or unfolding the frame (1) around or along the frame (1), preferably at an outside or an outer circumference of the guiding structure (2a), wherein the heart valve (100), comprises at least two leaflets (101, 101?, 101?); an interconnecting tissue (301) interconnecting the leaflets (101, 101?, 101?) with the frame; wherein the interconnecting tissue (301) or parts thereof, respectively, is interconnected to at least one of the guiding structures (2a, 2b) such that it covers the guiding structure (2a, 2b) or parts thereof at an inner circumference of the guiding structure (2a, 2b) and such that it also covers at least both an upper part (2c) and a lower part
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: January 30, 2018
    Assignee: Venus Medtech (Hangzhou) Inc.
    Inventors: Hou-Sen Lim, Wolfgang Götz
  • Patent number: 9795479
    Abstract: The present invention relates to an apparatus (100) for folding or unfolding at least one medical implant (300) by using at least one tension thread (11, 11?), wherein the apparatus (100) includes a shaft (1) including a reception area for receiving the implant (300), a tensioning device for altering a shape of the foldable and/or unfoldable implant (300) by the tension thread (11, 11?), and a clamping mechanism for clamping at least one section of at least one of the tension threads (11, 11?). The present invention further relates to a set and a method.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: October 24, 2017
    Assignee: VENUS MEDTECH (HANGZHOU), INC.
    Inventors: Hou-Sen Lim, Wolfgang Götz
  • Publication number: 20170281341
    Abstract: A collapsible-expandable tubular stent (29) constructed of shape-memory material which is implantable into a human heart, which comprises proximal and distal rings (71, 73) and at least two spaced apart posts (69) that extend axially between said rings (71, 73), said distal ring (73) comprising a plurality of distal arms (77) which are connected to the distal ring (73) at only one end and which have a free opposite end; said proximal ring (71) comprising a plurality of, which are connected at only one end to the proximal ring (71) and which have a free opposite end, which proximal arms (75) are constructed to swing radially outward at their free ends.
    Type: Application
    Filed: June 15, 2017
    Publication date: October 5, 2017
    Applicant: Venus Medtech (Hangzhou), Inc.
    Inventors: Hou-Sen Lim, Wolfgang Gotz
  • Patent number: 9681968
    Abstract: A catheter for detachably receiving an expandable and/or decollapsible or unfoldable, respectively, implant, in particular a stent may include at least one assembly for controlling the expansion and/or the unfolding or decollapsing, respectively, of the implant from a first diameter to a second diameter and/or its return back from the second diameter to the first diameter. Furthermore, an implant, in particular a stent, and a set including a catheter and an implant are proposed.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: June 20, 2017
    Assignee: VENUS MEDTECH (HANGZHOU), INC.
    Inventors: Wolfgang Goetz, Hou Sen Lim
  • Publication number: 20170095326
    Abstract: The present invention relates to a heart valve assembly (1000), comprising a frame (1) and a heart valve (100), wherein the frame (1) supports the heart valve (100) or is interconnected thereto, preferably by sewing or sewing alone, the frame (1) comprising at least a first guiding structure (2a) for guiding at least one tension thread (5) for folding and/or unfolding the frame (1) around or along the frame (1), preferably at an outside or an outer circumference of the guiding structure (2a), wherein the heart valve (100), comprises at least two leaflets (101, 101?, 101?); an interconnecting tissue (301) interconnecting the leaflets (101, 101?, 101?) with the frame; wherein the interconnecting tissue (301) or parts thereof, respectively, is interconnected to at least one of the guiding structures (2a, 2b) such that it covers the guiding structure (2a, 2b) or parts thereof at an inner circumference of the guiding structure (2a, 2b) and such that it also covers at least both an upper part (2c) and a lower part
    Type: Application
    Filed: March 13, 2015
    Publication date: April 6, 2017
    Applicant: Venus Medtech (Hangzhou), Inc.
    Inventors: Hou-Sen Lim, Wolfgang GÖTZ
  • Publication number: 20170079781
    Abstract: Heart valve comprising a crown piece interconnected to leaflets, a top cuff and a bottom cuff; and a medical implant The present invention relates to a heart valve (100), comprising at least two leaflets (101, 101?, 101?); at least one crown piece (111) interconnected to the leaflets (101, 101?, 101?) and intended to be interconnected to a frame (1) of a medical implant or a heart valve assembly; a top cuff (121); and a bottom cuff (131), the crown piece (111), the top cuff (121) and the bottom cuff (131) each being ring-shaped, and each of the top cuff (121) and the bottom cuff (131) being interconnected with the crown piece (111).
    Type: Application
    Filed: March 13, 2015
    Publication date: March 23, 2017
    Applicant: Venus Medtech (Hangzhou), Inc.
    Inventors: Hou-Sen Lim, Wolfgang Götz
  • Publication number: 20170028518
    Abstract: A method for crimping a medical implant includes at least one foldable and/or unfoldable structure on or around or over a portion or outer surface of a catheter or of a catheter tip. No pressure beyond a predetermined pressure is exerted on the structure during and/or after crimping of the implant.
    Type: Application
    Filed: October 14, 2016
    Publication date: February 2, 2017
    Inventors: Wolfgang GOETZ, Hou-Sen LIM
  • Patent number: 9433502
    Abstract: The present invention relates to an apparatus (100) for folding or unfolding at least one medical implant (300) by using at least one tension thread (11, 11?), wherein the apparatus (100) includes a shaft (1) including a reception area for receiving the implant (300), a tensioning device (19) for altering a shape of the foldable and/or unfoldable implant (300) by means of the tension thread (11, 11?), and a separation device for separating the tension thread (11, 11?) from the implant (300) and/or for cutting through the tension thread (11, 11?). The invention further relates to a set and a method.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: September 6, 2016
    Assignee: VENUS MEDTECH (HANGZHOU), INC.
    Inventors: Wolfgang Goetz, Hou-Sen Lim
  • Publication number: 20160250051
    Abstract: The present invention relates to a set comprising at least one expandable and/or decollapsible or unfoldable medical implant wherein at least one implantation device is configured for detachably receiving the implant or a device comprising at least the implant (3), wherein the implant may comprise at least a valve, wherein the valve may configured so as to fulfill a check valve function with one conducting direction (CD) and one blocking direction (BD), in which a blocking element may move for opening and/or closing the valve (50), wherein the valve may be arranged on the implantation device or on the device with at least one conducting side being located at a smaller distance from the distal end or from the distal tip of the implantation device than one blocking side.
    Type: Application
    Filed: July 31, 2014
    Publication date: September 1, 2016
    Inventors: Hou-Sen Lim, Wolfgang Gotz