Patents by Inventor Daniel A. Worrel

Daniel A. Worrel 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: 20240016516
    Abstract: Surgical devices having a plurality of outwardly-biased flexible fins capable of both inward convergence and outward flexion, provide for fluid retention and soft tissue retraction during surgical procedures. The outwardly-biased flexible fins also provide for soft tissue compression, decreasing the length of the interior central lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas. An exterior central lumen is formed above the interior central lumen, and has an opening at a top end, and a bottom wall separating the exterior central lumen from the interior central lumen. One or more slits are formed in the bottom wall of the exterior central lumen.
    Type: Application
    Filed: July 20, 2023
    Publication date: January 18, 2024
    Inventor: Daniel A. Worrel
  • Publication number: 20230404567
    Abstract: A knotless surgical suture system having a means for shuttling a suture having a locking limb portion having a tapering thickness for mounting to an anchor point, thereby providing a knotless anchor provided by the interference fit of the suture itself. The system can be used in conjunction with various traditional “knotted” anchors, which can be loaded with the knotless suture shuttling and anchoring system, creating a knotless fixation solution. The knotless suture shuttling and anchoring system enables a surgeon to load the sutures to the anchor and lock them in place with the tapered locking limb portion. The combination of the knotless suture shuttling and anchoring system having a shuttling limb with a suture loop allows a surgeon to load sutures onto existing anchors, with the tapered locking limb portion used to create an interference fit, locking it into place.
    Type: Application
    Filed: June 16, 2023
    Publication date: December 21, 2023
    Inventor: Daniel A. Worrel
  • Publication number: 20230346424
    Abstract: Surgical devices having a plurality of outwardly-biased flexible fins capable of both inward convergence and outward flexion, provide for fluid retention and soft tissue retraction during surgical procedures. The outwardly-biased flexible fins also provide for soft tissue compression, decreasing the length of the lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas. An obturator assembly including a cannulated handle member with a cannulated shaft attached to said handle member, said shaft extending distally and terminating at a cannulated obturator tip. A hood structure found on such obturator tip may be used to secure one or more flexible fins prior to deployment.
    Type: Application
    Filed: April 4, 2023
    Publication date: November 2, 2023
    Inventor: Daniel A. Worrel
  • Patent number: 11627985
    Abstract: Surgical devices having a plurality of outwardly-biased flexible fins capable of both inward convergence and outward flexion, provide for fluid retention and soft tissue retraction during surgical procedures. The outwardly-biased flexible fins also provide for soft tissue compression, decreasing the length of the lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas. An obturator assembly including a cannulated handle member with a cannulated shaft attached to said handle member, said shaft extending distally and terminating at a cannulated obturator tip. A hood structure found on such obturator tip may be used to secure one or more flexible fins prior to deployment.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: April 18, 2023
    Assignee: SUREMKA, LLC
    Inventor: Daniel A. Worrel
  • Publication number: 20230115451
    Abstract: A graft compression system for compressing soft tissue grafts used in connection with reconstructive surgery. The graft compression system includes an upper press body and lower press body, pivotally couple to one another, each having inner sides having a plurality of parallel semi-circular shaped channels formed thereon. The plurality of parallel semi-circular shaped channels have sequentially decreasing channel widths. The upper press body and said lower press body of the graft compression system are configured to pivot about a pivot pin such that the inner sides abut one another, and such that the two sets of semi-circular shaped channels are substantially aligned with one another so as to receive a graft for compression. A screw press barrel is attached to the lower press body, on a side opposite the pivot pin, and is configured to compress the upper press body and lower press body.
    Type: Application
    Filed: December 9, 2022
    Publication date: April 13, 2023
    Inventor: Daniel A. Worrel
  • Patent number: 11607322
    Abstract: A graft compression system for compressing soft tissue grafts used in connection with reconstructive surgery on the anterior cruciate ligament (ACL). The graft compression system includes a compression chamber having an elongate hollow shaft body having two ends that are threaded to mate with correspondingly threaded collet nuts. Collets are removably inserted into, and engage, the collet nuts fastened to opposing ends of the compression chamber A surgical graft may be inserted into a hollow compression tube having a lumen with a compressible diameter, said compression tube being sized for insertion into the collets and compression chamber. When such collet nuts are tightened by a user of the graft compression system, the inner diameters of the respective collet nuts nested within such collet nuts are decreased, causing the diameter of the lumen of the hollow compression tube to in turn be decreased and compress the surgical graft within.
    Type: Grant
    Filed: February 1, 2020
    Date of Patent: March 21, 2023
    Assignee: SUREMKA, LLC
    Inventor: Daniel A. Worrel
  • Patent number: 11607246
    Abstract: Surgical device deployment apparatuses that include a cannula having a shaft with an exterior surface, and an interior surface forming a lumen within said cannula, the shaft having a distal portion with a plurality of apertures. An obturator configured to be used in conjunction with the aforementioned cannula has an obturator shaft with a distal portion having a reduced diameter, wherein said obturator shaft is insertable into said lumen of said cannula. In other embodiments, a surgical device deployment tool comprises a handle member with a shaft attached to a distal end of said handle member, said shaft extending distally and terminating at a shaft head. A hollow hood is attached to said shaft head, said hood having an inner surface formed such that a gap exists between said inner surface and an adjacent outside surface of said shaft head.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: March 21, 2023
    Assignee: SUREMKA, LLC
    Inventor: Daniel A. Worrel
  • Publication number: 20200281625
    Abstract: Surgical devices having a plurality of outwardly-biased flexible fins capable of both inward convergence and outward flexion, provide for fluid retention and soft tissue retraction during surgical procedures. The outwardly-biased flexible fins also provide for soft tissue compression, decreasing the length of the lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas. An obturator assembly including a cannulated handle member with a cannulated shaft attached to said handle member, said shaft extending distally and terminating at a cannulated obturator tip. A hood structure found on such obturator tip may be used to secure one or more flexible fins prior to deployment.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 10, 2020
    Inventor: Daniel A. Worrel
  • Publication number: 20200246161
    Abstract: A graft compression system for compressing soft tissue grafts used in connection with reconstructive surgery on the anterior cruciate ligament (ACL). The graft compression system includes a compression chamber having an elongate hollow shaft body having two ends that are threaded to mate with correspondingly threaded collet nuts. Collets are removably inserted into, and engage, the collet nuts fastened to opposing ends of the compression chamber A surgical graft may be inserted into a hollow compression tube having a lumen with a compressible diameter, said compression tube being sized for insertion into the collets and compression chamber. When such collet nuts are tightened by a user of the graft compression system, the inner diameters of the respective collet nuts nested within such collet nuts are decreased, causing the diameter of the lumen of the hollow compression tube to in turn be decreased and compress the surgical graft within.
    Type: Application
    Filed: February 1, 2020
    Publication date: August 6, 2020
    Inventor: Daniel A. Worrel
  • Patent number: 10687846
    Abstract: Surgical devices having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge to provide both a passageway for surgical instruments to traverse towards a surgical site, and provide a substantially impermeable seal, thus providing for fluid retention during the surgical procedure. The outwardly-biased flexible fins provide for soft tissue compression, decreasing the length of the lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: June 23, 2020
    Assignee: SUREMKA, LLC
    Inventor: Daniel A. Worrel
  • Publication number: 20190343553
    Abstract: Surgical device deployment apparatuses that include a cannula having a shaft with an exterior surface, and an interior surface forming a lumen within said cannula, the shaft having a distal portion with a plurality of apertures. An obturator configured to be used in conjunction with the aforementioned cannula has an obturator shaft with a distal portion having a reduced diameter, wherein said obturator shaft is insertable into said lumen of said cannula. In other embodiments, a surgical device deployment tool comprises a handle member with a shaft attached to a distal end of said handle member, said shaft extending distally and terminating at a shaft head. A hollow hood is attached to said shaft head, said hood having an inner surface formed such that a gap exists between said inner surface and an adjacent outside surface of said shaft head.
    Type: Application
    Filed: July 8, 2019
    Publication date: November 14, 2019
    Inventor: Daniel A. Worrel
  • Publication number: 20190274723
    Abstract: Surgical devices having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge to provide both a passageway for surgical instruments to traverse towards a surgical site, and provide a substantially impermeable seal, thus providing for fluid retention during the surgical procedure. The outwardly-biased flexible fins provide for soft tissue compression, decreasing the length of the lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas.
    Type: Application
    Filed: May 23, 2019
    Publication date: September 12, 2019
    Inventor: Daniel A. Worrel
  • Patent number: 10342577
    Abstract: Surgical devices having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge to provide both a passageway for surgical instruments to traverse towards a surgical site, and provide a substantially impermeable seal, thus providing for fluid retention during the surgical procedure. The outwardly-biased flexible fins provide for soft tissue compression, decreasing the length of the lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: July 9, 2019
    Assignee: SUREMKA, LLC
    Inventor: Daniel A. Worrel
  • Patent number: 10258368
    Abstract: A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fin embodiment including a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward. One or more of the flexible fins also including one or more penetrations for accepting a biasing device for altering the biasing force of the fin.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: April 16, 2019
    Assignee: SUREMKA, LLC
    Inventor: Daniel A. Worrel
  • Publication number: 20170281225
    Abstract: Surgical devices having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge to provide both a passageway for surgical instruments to traverse towards a surgical site, and provide a substantially impermeable seal, thus providing for fluid retention during the surgical procedure. The outwardly-biased flexible fins provide for soft tissue compression, decreasing the length of the lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas.
    Type: Application
    Filed: June 19, 2017
    Publication date: October 5, 2017
    Applicant: Arthroscopic Innovations, LLC
    Inventor: Daniel A. Worrel
  • Publication number: 20140288377
    Abstract: A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fin embodiment including a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward. One or more of the flexible fins also including one or more penetrations for accepting a biasing device for altering the biasing force of the fin.
    Type: Application
    Filed: June 10, 2014
    Publication date: September 25, 2014
    Inventor: Daniel A. Worrel
  • Patent number: 8777902
    Abstract: A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fins include a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: July 15, 2014
    Assignee: Suremka, LLC
    Inventors: Daniel A. Worrel, Joshua S. Redstone
  • Publication number: 20130023733
    Abstract: A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fins include a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward.
    Type: Application
    Filed: September 25, 2012
    Publication date: January 24, 2013
    Inventors: Daniel A. Worrel, Joshua S. Redstone
  • Patent number: 8298185
    Abstract: A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fins include a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: October 30, 2012
    Assignee: Suremka Medical, LLC
    Inventors: Daniel A. Worrel, Joshua S. Redstone
  • Publication number: 20120065589
    Abstract: A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fins include a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 15, 2012
    Inventors: Daniel A. Worrel, Joshua S. Redstone