Patents by Inventor Mark S. Lyell

Mark S. Lyell 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: 6080167
    Abstract: An anastomotic instrument is provided for use in the performance of an anastomosis after a prostate has been removed. The instrument has an elongated housing, and an end plate fixed at an end of the housing. Provided in the end plate are a plurality of needle guide holes. A needle driving plunger is provided in the housing to move needles loaded in the instrument through the needle guide holes. The plunger is advanced by a plunger rod connected to an actuator mechanism upon depression thereof by a surgeon. An end cap is detachably connected to the housing for the purpose of covering exposed tips of the needles loaded in the housing.
    Type: Grant
    Filed: April 28, 1998
    Date of Patent: June 27, 2000
    Inventor: Mark S. Lyell
  • Patent number: 5348541
    Abstract: A surgical apparatus is provided for placing a suprapubic catheter within the bladder of a patient. The apparatus essentially includes an elongate element defining a hollow tube and having an end for insertion through the urethra, a flexible wire disposed within the elongate element extending along the length of the elongate element, and a means for reciprocating the flexible wire such as a spring within the elongate element. The end of the flexible wire at the insertion end of the apparatus is provided with a coupling such as a hook for coupling the flexible wire to a catheter tip. The other end of the flexible wire at the handle end of the apparatus is operatively connected to the reciprocating means.
    Type: Grant
    Filed: May 5, 1993
    Date of Patent: September 20, 1994
    Inventor: Mark S. Lyell
  • Patent number: 4985038
    Abstract: A needle stop surgical instrument comprising a finger housing, a needle receiving space, and a handle. The finger housing is adapted for receiving a finger. At one end of the finger housing is an endwall for protecting the finger from injury and the needle receiving space for receiving and guiding a needle. The needle receiving space is preferably in the shape of a cone. At the opposite end of the finger housing is connected the handle which is designed such that when a finger is received in the housing, the remaining fingers of the hand can grip the handle.The instrument is used in a Stamey procedure or similar procedures. The needle stop is used to protect a surgeon's finger from risk of needle injury, by being capable of receiving and guiding a needle through a surgical incision. Using the needle stop, a surgeon can avoid the risk of contracting serious infectious diseases, such as AIDS and Hepatitis B.
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: January 15, 1991
    Inventor: Mark S. Lyell