Patents by Inventor Daniel Hunsberger

Daniel Hunsberger 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: 6613063
    Abstract: A trocar assembly is disclosed which includes a shank having a distal end and a proximal end, and a planar piercing blade having two substantially flat faces and a cutting contour, where the piercing blade is integrally attached to the distal end of the shank. The shank tapers inwardly towards said opposed flat faces of said piercing blade. A trocar tip protector may be disclosed that is housed within the shank and adapted to actuate between a retracted and an extended position where an actuator mechanism causes the tip protector to move to the extended position covering the blade when the tip of the trocar member has entered the patient's body cavity. A tip. protector indicator is also disclosed that provides a visual indication of whether the tip protector is in the retracted or extended position.
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: September 2, 2003
    Inventor: Daniel Hunsberger
  • Patent number: 5300069
    Abstract: Apparatus and methods of effecting a medical procedure, e.g., laparoscopic, endoscopic, etc. procedures, through a small percutaneous incision or puncture in the body of a patient. One embodiment of the apparatus comprises an elongated outer tube, an elongated inner tube located within the outer tube and moveable relative thereto. An electrosurge electrode is mounted on the distal end of the inner tube so that it can be moved to a retracted position when it is not need or to an extended position when it is to be use. A vacuum system and an irrigation system are provided. The vacuum system is arranged to apply suction through an annular space between the tubes to effect the removal of tissue or other debris from the operative site within the patients body. The irrigation system is arranged to supply an irrigation liquid through the inner tube to the operative site. Each of the tubes is formed of an electrically insulating material so that the apparatus can be safely inserted within the patient's body.
    Type: Grant
    Filed: August 12, 1992
    Date of Patent: April 5, 1994
    Inventors: Daniel Hunsberger, Lloyd Detwiler, Robert Pflug
  • Patent number: 5246425
    Abstract: The present invention provides an improved trocar assembly for use in creating an incision in a patient. The trocar of the present invention includes a unique piercing apex, which eases the insertion process, and an internal tip protector to protect the patient and medical personnel from accidental puncture injuries. The improved tip protector is designed to become fully extended immediately after the leading edge of the trocar enters the patient, thus avoiding many of the operational drawbacks of existing trocar tip protector designs. Additionally, the present invention provides an improved tip protector locking mechanism which is believed to be far simpler and more reliable than existing locking mechanisms.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: September 21, 1993
    Inventors: Daniel Hunsberger, Lloyd Detwiler, Robert F. Pflug
  • Patent number: 5239602
    Abstract: A connector for a pair of loosely buffered or tightly buffered optic fiber cables. Each of the cables comprises an optic fiber having a jacket thereabout and a bare free end. The connector comprises a first section, a second section, and a pair of jacket clamps. Each of the first and second sections are arranged to receive a respective one of the cables. The jacket clamps engage respective ones of the jackets to hold the cables in place. The first section has a fiber retaining, conical member located therein. That member is formed of a substantially hard, yet somewhat compressible material, and includes a fiber-receiving bore extending therethrough. The internal diameter of the bore is very slightly larger than the external diameter of the fibers. The first and second sections are arranged to be releasably secured together to bring the bare free ends of the fibers into abutment within the bore to establish a light transmissive joint between them.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: August 24, 1993
    Inventors: Daniel Hunsberger, Lloyd Detwiler