Patents by Inventor Carl-Otto Hanssen

Carl-Otto Hanssen 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: 6167885
    Abstract: A method for controlling the condition of a patient lying on an operating table during the course fo a surgical operation. At least one air-impervious surgical drape that includes an operation opening is laid over the patient, so that the surgical drape, or drapes, will hang down from the operating table along its long sides and short sides and therewith form an upwardly and laterally closed space whose roof and walls are formed by the surgical drape, or drapes. Conditioned air is delivered to the closed space by an air-conditioning unit, which includes an air outlet opening through which air can leave the closed space.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: January 2, 2001
    Assignee: Molnlycke Health Care AB
    Inventor: Carl-Otto Hanssen
  • Patent number: 4976274
    Abstract: A surgical drape which is configured to enable a plurality of different types of surgical drape to be manufactured on one and the same machine. According to a first embodiment of the invention, the surgical drape includes a pair of mutually similar L-shaped parts (2, 3) which are joined together at least along the inner edges of the two pairs of legs (A, B) of the L-shaped parts (2, 3). According to another embodiment, the drape includes a pair of mutually similar U-shaped parts (22, 23) which are joined together at least along the inner edges of the leg and base portions of the U-shaped parts (22, 23).
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: December 11, 1990
    Assignee: Molnlycke AB
    Inventor: Carl-Otto Hanssen
  • Patent number: 4889136
    Abstract: The present invention relates to a surgical drape having a first rectangular part (A) which is intended to cover a patient and a second rectangular part (B) which is joined to the first drape part (A) and which is intended to be placed over an anaesthetist's arch. In accordance with the invention, one short side of the first drape part has formed therein a cut-out (2) in the shape of a truncated V. The second drape part (B) has formed therein a similar cut-out (2), which is formed in the center of one long side of the second drape part. The first and second drape parts are joined together along the edges of the cut-outs. The invention provides a surgical drape which can be easily manufactured by machine and which is easily managed.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: December 26, 1989
    Assignee: Molnlycke AB
    Inventor: Carl-Otto Hanssen
  • Patent number: 4688563
    Abstract: The invention relates to an arrangement in a surgical drape. A prime characteristic feature of the arrangement is that it consists of a separate sheet assembly comprising an apertured attachment sheet, which is intended to be fastened over the area of a patient within which a surgical procedure is to be carried out, and a protective sheet which has a working aperture located therein and which is provided in a region around the aperture with structure for firmly fastening the protective sheet to the attachment sheet at the aforementioned region, such that the aperture in the attachment sheet lies opposite the working aperture in register therewith. This region of the protective sheet around the aperture is preferably rectangular in configuration and has the same shape and size as a working aperture in the surgical drape. Prior to putting the arrangement into use, the protective sheet is folded to a shape which fills an area congruent with the aforesaid region.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: August 25, 1987
    Assignee: Molnlycke AB
    Inventor: Carl-Otto Hanssen
  • Patent number: 4607631
    Abstract: The invention relates to an arrangement in surgical sheets of the kind which are provided with a hole which is intended to be placed over the area of a patient where an operation is to be performed. The arrangement according to the invention is characterized in that a disk having arranged therein an elongated opening is intended to cover the hole in the sheet and can be adjusted to different positions of rotation with the longitudinal axis of the opening extending in the direction of an intended surgical incision.
    Type: Grant
    Filed: October 16, 1984
    Date of Patent: August 26, 1986
    Assignee: Molnlycke AB
    Inventor: Carl-Otto Hanssen
  • Patent number: 4574796
    Abstract: The present invention relates to a surgical sheet.A surgical sheet designed in accordance with the invention is formed in a single piece and has a plurality of folds extending across the sheet, substantially in the center thereof. These transverse folds are gathered and joined together at a central region thereof and are intended to be placed adjacent an anesthesis arch. The folds outside the central region are designed to fall in a fan-like fashion on both sides of an operating table, to form vertical screening walls.
    Type: Grant
    Filed: October 16, 1984
    Date of Patent: March 11, 1986
    Assignee: Molnlycke AB
    Inventors: Thomas Lundstrom, Carl-Otto Hanssen
  • Patent number: D292023
    Type: Grant
    Filed: October 11, 1984
    Date of Patent: September 22, 1987
    Assignee: Molnlycke Aktiebolag
    Inventors: Carl-Otto Hanssen, Bo M. Starzmann
  • Patent number: D292024
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: September 22, 1987
    Assignee: Molnlycke Aktiebolag
    Inventors: Carl-Otto Hanssen, Bo M. Starzmann