Patents by Inventor Richard W. Shallman

Richard W. Shallman 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).

  • Gallbladder stone extracting forceps for laparoscopic cholecystectomy
    Patent number: 5693069
    Abstract: Forceps for grasping, crashing, and removing gallstones from the opened neck of a gallbladder which is extracted through an abdominal port site during laparoscopic surgery. The forceps include upper arms having shallow concave oval tips which include a narrower distal region, a wider central region, and a narrow proximal region. The upper arms are bowed slightly outward to allow the tips to be spring-biased against each other, or against an object held between the tips.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: December 2, 1997
    Inventor: Richard W. Shallman
  • Surgical suture instrument
    Patent number: 5662663
    Abstract: The present invention is directed to a surgical suture instrument specifically designed for suturing body tissues in enclosed surgical operations. The instrument includes a casing with a slot or housing a suture needle. The needle includes a first puncture end and a second manipulation end. The needle is pivotally positioned on an axis within the casing, such that the puncture end may be exposed or retracted as needed. The casing also includes equipment to manipulate the needle within the casing.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: September 2, 1997
    Assignee: United States Surgical Corporation
    Inventor: Richard W. Shallman
  • Surgical apparatus and method for suturing body tissue
    Patent number: 5403328
    Abstract: The present invention is directed to a surgical suture instrument specifically designed for suturing body tissues in enclosed surgical operations. The instrument includes a casing with a slot for housing a suture needle. The needle includes a first puncture end and a second manipulation end. The needle is pivotally positioned on an axis within the casing, such that the puncture end may be exposed or retracted as needed. The casing also includes equipment to manipulate the needle within the casing.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: April 4, 1995
    Assignee: United States Surgical Corporation
    Inventor: Richard W. Shallman
  • Flexible, segmental backpack frame
    Patent number: 4911346
    Abstract: A backpack frame utilizes frame members formed of a plurality of relatively movable blocks. The blocks are held in a column by a cord stressed in tension running through the blocks. The relative movement among the plurality of blocks provides flexibility to the frame.
    Type: Grant
    Filed: November 23, 1984
    Date of Patent: March 27, 1990
    Inventor: Richard W. Shallman
  • Surgical retractor
    Patent number: D845477
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: April 9, 2019
    Inventor: Richard W. Shallman