Suturing Needle Patents (Class 606/222)
  • Patent number: 4959068
    Abstract: A sterile surgical needle having a dark, non-reflective and non-flaking surface. The needle is produced by selecting an appropriately shaped needle having the desired degree of sharpness. The needle is treated to activate the surface and then immersed in a solution of sulfuric acid, potassium dichromate and water to form a dark, non-reflective, non-flaking surface. The needle is sterilized to produce a sterile surgical needle of improved visibility.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: September 25, 1990
    Assignee: Ethicon, Inc.
    Inventors: Lee Bendel, Florence Stoffel
  • Patent number: 4907590
    Abstract: An acupuncture therapy is performed by using a disposable acupuncture needle comprising a suture which is preferably made of absorbable material, a handle having a suture holder in which one end of the suture is held integrally, a barrel which the handle is insertable into an engageable with, a hollow needle which is integrated with the barrel and through which the suture is insertable, a tube through which the barrel together with the needle is slidable and a cap which is engageable with one end of the tube to cover the needle so as to prevent contamination. The suture is so disposed that it has a small portion going out of the needle tip so that when the needle is pulled out of the human body, the suture is left in the human body to provide long term therapy until the suture is absorbed by the human body.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: March 13, 1990
    Inventors: Li-Li Wang, Hsieuh-Li Chin
  • Patent number: 4905695
    Abstract: A sterile surgical needle having a dark, non-reflective and non-flaking surface. The needle is produced by selecting an appropriately shaped needle having the desired degree of sharpness. The needle is treated to activate the surface and then immersed in a solution of sulfuric acid, potassium dichromate and water to form a dark, non-reflective, non-flaking surface. The needle is sterilized to produce a sterile surgical needle of improved visibility.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: March 6, 1990
    Assignee: Ethicon, Inc.
    Inventors: Lee Bendel, Florence Stoffel
  • Patent number: 4901717
    Abstract: A tendon leader used in knee surgery utilizing an elongated stem member. The stem includes a leading end and a trailing end. A tendon engaging tube is held to the stem for guiding placement of a tendon in a knee.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: February 20, 1990
    Inventors: Robert R. Moore, Steve Lamb, Eugene M. Wolf
  • Patent number: 4899746
    Abstract: A suturing apparatus is disclosed including a handle unit housing an electric motor having an output drive shaft and a head assembly removably connected to the handle unit and drive shaft and comprising a plurality of drive rollers constructed and arranged for supporting and driving a curved needle around a circular path of travel.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: February 13, 1990
    Assignee: Brunk Industries, Inc.
    Inventor: Bertil E. Brunk